Dry bean curd stacking machine

By designing a combination of stacking device and conveyor device in the dry tofu stacker, the problem of the existing dry tofu stacker that the slide is damaged and the moving speed is reduced when the quantity of dry tofu received increases, is solved, and the punctual delivery of items to be stacked is achieved. and stable stacking.

CN222348176UActive Publication Date: 2025-01-14LIAONING DAHE FUHUA SOYBEAN PROD EQUIP MFG CO LTD
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Patent Information

Application Number
CN202421124573.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-22
Publication Date
2025-01-14
Estimated Expiration
2034-05-22

AI Technical Summary

Technical Problem

When the amount of dried tofu collected by existing dry tofu increases, the gravity of the collection box increases, which easily leads to damage to the slide and reduces the movement speed, and cannot move under the dry tofu on time.

Method used

A dry tofu stacking machine is designed, which adopts a combination of a stacking device, a collecting device, a first conveying device and a second conveying device. The moving speed of the first conveying device is greater than the moving speed of the second conveying device, thereby realizing the stacking of objects. Stack them layer by layer to avoid weight gain and slide damage.

Benefits of technology

It achieves punctual movement and stable stacking of objects to be stacked, avoids damage to the slide and reduces moving speed, and ensures efficient and accurate stacking of dried tofu.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dried bean curd stacking, in particular to a dried bean curd stacking machine, which comprises a stacking device, the stacking device comprises two groups of limiting plates, the two groups of limiting plates are horizontally arranged, and the stacking device is used for stacking objects to be stacked; the collecting device is arranged between the two groups of limiting plates and is used for receiving the to-be-stacked objects; and the first conveying device is arranged above the collecting device and is fixedly connected with the stacking device. By operating the stacking device, the stacking device can push the moving frames in the first conveying device and the second conveying device to move in the direction away from the collecting device at the same time, due to the fact that the moving speed of the first conveying device is larger than that of the moving frames, the objects to be stacked are stacked layer by layer, and meanwhile the phenomenon that the weight is increased is avoided; the sliding way is prevented from being damaged, the phenomenon that the moving speed is reduced cannot occur, and the to-be-stacked objects can be moved to the position above the collecting device on time.
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Description

Technical Field

[0001] The utility model relates to the technical field of dried bean curd stacking, in particular to a dried bean curd stacking machine. Background Art

[0002] Dried tofu is a tofu product pressed into thin sheets. It is called differently in different places. Some call it dried tofu, while others call it bean skin or thousand sheets. After the dried tofu is produced, it needs to be stacked together, which requires a dried tofu stacking machine.

[0003] However, when the existing dried tofu stacking machine is in use, a driving device is used to move the collection box below horizontally along the slide to receive the delivered dried tofu to achieve the purpose of stacking. However, this collection method has certain defects. As the amount of dried tofu received gradually increases, the gravity exerted on the collection box also gradually increases, which makes it easy for the slide to be damaged, and reduces the speed of the collection box, making it impossible to move to the bottom of the dried tofu on time. Utility Model Content

[0004] The utility model aims to solve the problem that, in the existing dried tofu stacking machine, as the amount of dried tofu received gradually increases, the gravity exerted on the collection box also gradually increases, the slide is easily damaged, and the moving speed of the collection box is reduced, resulting in the inability to move to the bottom of the dried tofu on time.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A dried tofu stacking machine, comprising:

[0007] A stacking device, the stacking device comprising: two sets of limit plates, the two sets of limit plates are horizontally arranged, and the stacking device is used to stack objects to be stacked;

[0008] A collecting device, disposed between the two sets of limiting plates, for receiving objects to be stacked;

[0009] A first conveying device, disposed above the collecting device and fixedly connected to the stacking device, the first conveying device being used to convey the objects to be stacked to the collecting device;

[0010] The second conveying device is arranged above the first conveying device, and is used to transport the objects to be stacked onto the first conveying device. The second conveying device includes: a moving frame, which is fixedly connected to the stacking device and moves horizontally when driven by the stacking device.

[0011] Preferably, the stacking device further comprises:

[0012] A driving assembly is disposed between the two sets of limit plates and fixedly connected to the limit plates;

[0013] Two sets of sliding plates, each set of sliding plates has a slideway at the bottom end, and is slidably connected to the limit plate through the slideway;

[0014] A movable plate, disposed above the sliding plate and fixedly connected to the sliding plate;

[0015] Two groups of first connecting rods, one end of each group of first connecting rods close to the moving plate is rotatably connected to the surface of the sliding plate;

[0016] Two sets of second connecting rods are arranged at one end of the first connecting rod away from the moving plate, and the bottom end of the second connecting rod is rotatably connected to the end of the first connecting rod away from the moving plate, and a sliding groove is provided in the middle of the surface of the second connecting rod;

[0017] Two groups of connecting members, each group of connecting members is provided with a cylindrical pin at one end close to the second connecting rod and is rotatably connected to the cylindrical pin, the cylindrical pin is provided in the slide groove and is slidably connected to the second connecting rod through the slide groove, and the end of the connecting member away from the second connecting rod is rotatably connected to the moving frame;

[0018] Two groups of support members, each group of support members consists of a first rod, a second rod and a hinge seat, the top ends of the first rod and the second rod are fixedly connected to the bottom end of the hinge seat, and the surface of the hinge seat is rotatably connected to the top end of the second connecting rod to support the rotation of the second connecting rod.

[0019] Preferably, a screw is provided between the cylindrical pin and the slide slot for limiting the position of the cylindrical pin in the slide slot.

[0020] Preferably, the driving assembly comprises:

[0021] Two sets of racks, each set of racks is arranged on one side of the limiting plate close to the collecting device;

[0022] Two sets of spur gears, each set of spur gears is arranged above the rack and meshed with the rack;

[0023] A reduction gearbox, wherein the output end of the reduction gearbox is coaxially arranged with the two sets of spur gears;

[0024] A first motor, wherein an output end of the first motor is fixedly connected to an input end of the reduction box, and the first motor is fixedly connected to the moving plate.

[0025] Preferably, the second conveying device further comprises:

[0026] Two groups of support plates, each group of support plates is arranged below the moving frame and is slidably connected to the moving frame, and one end of the support plate close to the moving frame is fixedly connected to the support member;

[0027] Two sets of fixed frames are arranged above the support plate and located on a side away from the movable frame, and the fixed frames are fixedly connected to the support plate;

[0028] A first rotating roller is disposed between the two groups of the moving frames, and two ends of the first rotating roller are rotatably connected to one side of the two groups of the moving frames away from the fixed frame;

[0029] A second rotating roller is disposed between the two groups of the moving frames, and two ends of the second rotating roller are rotatably connected to one side of the two groups of the moving frames close to the fixed frame;

[0030] A third rotating roller, both ends of which are rotatably connected to the middle positions of the lower ends of the two groups of support plates;

[0031] A fourth rotating roller is disposed between the two groups of the fixed frames, and two ends of the fourth rotating roller are rotatably connected to one side of the two groups of the fixed frames away from the movable frame;

[0032] The first belt is sleeved on the surfaces of the first rotating roller, the second rotating roller, the third rotating roller and the fourth rotating roller in sequence.

[0033] Preferably, the first conveying device comprises:

[0034] A conveyor belt, arranged above the two sets of sliding plates, for conveying objects to be stacked;

[0035] A transmission assembly, arranged at one end of the conveyor belt close to the movable plate, and used for driving the conveyor belt to rotate;

[0036] A second motor, wherein an output end of the second motor is fixedly connected to the transmission assembly.

[0037] Preferably, the conveyor belt is composed of a second belt and two groups of fifth rotating rollers, and the second belt is sleeved on the surfaces of the two groups of fifth rotating rollers.

[0038] Preferably, the transmission assembly consists of a chain and two sets of sprockets, the surfaces of the two sets of sprockets are meshed and connected to the chain, the sprocket close to the conveyor belt is coaxially arranged with the fifth rotating roller, and the sprocket away from the conveyor belt is fixedly connected to the output end of the second motor.

[0039] Preferably, it also includes: a support frame; the support frame is composed of a horizontal plate and four groups of vertical plates, the four groups of vertical plates are arranged at the upper edge of the horizontal plate, and the bottom ends of the four groups of vertical plates are fixedly connected to the horizontal plate, the horizontal plate is located below the collecting device, and the four groups of vertical plates are fixedly connected to both ends of the two groups of limiting plates.

[0040] The beneficial effect proposed by the utility model is that: by operating the stacking device, the stacking device will push the moving frames in the first conveying device and the second conveying device to move in the direction away from the collecting device at the same time. Since the moving speed of the first conveying device is greater than the moving speed of the moving frame, when the moving frame moves away from the edge of the collecting device to the middle position of the first conveying device, the objects to be stacked will move from the second conveying device to the first conveying device. At this time, the stacking device will operate in the reverse direction, which will cause the first conveying device to move in the reverse direction. At the same time, the conveying direction of the first conveying device is the same as the moving direction, so that when the first conveying device is directly above the collecting device, the objects to be stacked will gradually move from the first conveying device to the collecting device, thereby realizing layer-by-layer stacking of the objects to be stacked. At the same time, there will be no weight increase, damage to the slideway will be avoided, and there will be no reduction in moving speed, so that the objects to be stacked can be moved to the top of the collecting device on time. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the structure of the utility model;

[0042] Figure 2 for Figure 1 Schematic diagram of the main plan view of the middle connection structure;

[0043] Figure 3 for Figure 2 The middle part is an enlarged schematic diagram of the connection structure;

[0044] Figure 4 for Figure 1 Rear view of the middle connection structure;

[0045] Figure 5 for Figure 1 A schematic diagram of the top view of the middle connection structure;

[0046] Figure 6 for Figure 4 Schematic diagram of the connection structure at A in the middle;

[0047] Figure 7 for Figure 4 Schematic diagram of the connection structure at B in the middle.

[0048] In the figure: 1, support frame, 2, collecting device, 3, limit plate, 4, rack, 5, spur gear, 6, reduction box, 7, first motor, 8, moving plate, 9, sliding plate, 10, first connecting rod, 11, second connecting rod, 12, connecting member, 13, moving frame, 14, support plate, 15, fixed frame, 16, first rotating roller, 17, second rotating roller, 18, third rotating roller, 19, fourth rotating roller, 20, first belt, 21, support member, 22, conveyor belt, 23, transmission assembly, 24, second motor. DETAILED DESCRIPTION

[0049] The utility model is further described below in conjunction with the accompanying drawings:

[0050] This embodiment:

[0051] See also Figure 1-7 In this embodiment: a dried tofu stacking machine includes: a stacking device, a collecting device 2, a first conveying device and a second conveying device.

[0052] In this embodiment, the stacking device includes: two groups of limiting plates 3, the two groups of limiting plates 3 are horizontally arranged, the stacking device is used to stack the objects to be stacked, the first conveying device and the second conveying device are pushed to move horizontally by the stacking device, and the objects to be stacked are stacked into the collecting device 2 by the operation of the first conveying device and the second conveying device, the objects to be stacked can be dried tofu or composed of dried tofu and protective cloth; the collecting device 2 is arranged between the two groups of limiting plates 3, and is used to receive the objects to be stacked, and the collecting device 2 can be a collecting box or a collecting plate; the first conveying device is arranged above the collecting device 2 and is fixedly connected to the stacking device, the stacking device can push the first conveying device to move horizontally, and the first conveying device is used to transport the objects to be stacked to the collecting device 2; the second conveying device is arranged above the first conveying device, and the second conveying device is used to transport the objects to be stacked to the first conveying device, and the second conveying device includes: a moving frame 13, the moving frame 13 is two groups, the moving frame 13 is fixedly connected to the stacking device, the moving frame 13 moves horizontally under the drive of the stacking device, and the moving speed of the first conveying device is greater than the moving speed of the second conveying device.

[0053] In this embodiment, Figure 1-6 As shown, the stacking device further includes: a driving assembly, two groups of sliding plates 9 , a moving plate 8 , two groups of first connecting rods 10 , two groups of second connecting rods 11 , two groups of connecting members 12 and two groups of supporting members 21 .

[0054] Among them, the driving component is arranged between the two groups of limit plates 3 and is fixedly connected to the limit plates 3; a slideway is provided at the bottom end of each group of sliding plates 9, and is slidably connected to the limit plates 3 through the slideway, and the sliding plates 9 will move horizontally along the limit plates 3; the moving plate 8 is arranged above the sliding plate 9 and is fixedly connected to the sliding plate 9, and the sliding plate 9 drives the moving plate 8 to move; one end of each group of first connecting rods 10 close to the moving plate 8 is rotatably connected to the surface of the sliding plate 9; two groups of second connecting rods 11 are arranged at one end of the first connecting rod 10 away from the moving plate 8, and the bottom end of the second connecting rod 11 is rotatably connected to one end of the first connecting rod 10 away from the moving plate 8, and a slide groove is provided in the middle of the surface of the second connecting rod 11.

[0055] In this embodiment, when the moving plate 8 moves, it drives the first connecting rod 10 to move and causes the first connecting rod 10 to rotate slightly. The first connecting rod 10 drives the second connecting rod 11 to rotate at the same time.

[0056] A cylindrical pin is provided at one end of each group of connecting members 12 close to the second connecting rod 11, and is rotatably connected to the cylindrical pin. The cylindrical pin is provided in a slide groove and is slidably connected to the second connecting rod 11 through the slide groove. The end of the connecting member 12 away from the second connecting rod 11 is rotatably connected to the moving frame 13. When the second connecting rod 11 rotates, the connecting member 12 will move horizontally and rotate slightly through the slide groove; each group of supporting members 21 is composed of a first rod, a second rod and a hinge seat. The top ends of the first rod and the second rod are fixedly connected to the bottom end of the hinge seat, and the surface of the hinge seat is rotatably connected to the top end of the second connecting rod 11, so as to support the rotation of the second connecting rod 11.

[0057] A screw is provided between the cylindrical pin and the slide slot to limit the position of the cylindrical pin in the slide slot. By turning the screw, the position of the cylindrical pin can be adjusted, thereby changing the moving distance of the connecting member 12, which can be adjusted according to different lengths of objects to be stacked.

[0058] In this embodiment, Figure 2 and Figure 5 As shown, the driving assembly includes: two sets of racks 4, two sets of spur gears 5, a reduction box 6 and a first motor 7.

[0059] Specifically, each group of racks 4 is arranged on a side of the limiting plate 3 close to the collecting device 2; each group of spur gears 5 is arranged above the rack 4 and meshingly connected with the rack 4. When the spur gears 5 rotate, they will move horizontally along the rack 4; the output end of the reduction gear 6 is coaxially arranged with the two groups of spur gears 5; the output end of the first motor 7 is fixedly connected to the input end of the reduction gear 6, and the first motor 7 is fixedly connected to the moving plate 8. The model of the first motor 7 is selected according to actual needs and meets the working conditions. The reduction gear 6 can reduce the rotation speed of the first motor 7.

[0060] In this embodiment, Figure 1-4As shown, the second conveying device further includes: two groups of support plates 14 , two groups of fixing frames 15 , a first rotating roller 16 , a second rotating roller 17 , a third rotating roller 18 , a fourth rotating roller 19 and a first belt 20 .

[0061] Among them, each group of support plates 14 is arranged below the moving frame 13 and is slidably connected to the moving frame 13, the support plate 14 can support the movement of the moving frame 13, and one end of the support plate 14 close to the moving frame 13 is fixedly connected to the support member 21; two groups of fixed frames 15 are arranged above the support plate 14 and are located on the side away from the moving frame 13, and the fixed frame 15 is fixedly connected to the support plate 14; a first rotating roller 16 is arranged between the two groups of moving frames 13, and both ends of the first rotating roller 16 are rotatably connected to the side of the two groups of moving frames 13 away from the fixed frame 15, and a motor is arranged behind the first rotating roller 16 for providing power to the first rotating roller 16; a second rotating roller 17 is arranged between the two groups of moving frames 13, and both ends of the second rotating roller 17 are rotatably connected to the side of the two groups of moving frames 13 close to the fixed frame 15, When the moving frame 13 moves, it will drive the first rotating roller 16 and the second rotating roller 17 to move synchronously at the same time; the two ends of the third rotating roller 18 are rotatably connected to the middle position of the lower ends of the two groups of support plates 14; the fourth rotating roller 19 is arranged between the two groups of fixed frames 15, and the two ends of the fourth rotating roller 19 are rotatably connected to the side of the two groups of fixed frames 15 away from the moving frame 13; the first belt 20 is sequentially sleeved on the surfaces of the first rotating roller 16, the second rotating roller 17, the third rotating roller 18 and the fourth rotating roller 19. When the first rotating roller 16 and the second rotating roller 17 move toward the direction of the moving plate 8, the distance between the first rotating roller 16 and the fourth rotating roller 19 will increase, while the distance between the second rotating roller 17 and the third rotating roller 18 will shorten, thereby achieving a balance and the first belt 20 will not be stretched.

[0062] In this embodiment, Figure 4 and Figure 7 As shown, the first conveying device includes: a conveyor belt 22, a transmission assembly 23 and a second motor 24.

[0063] The conveyor belt 22 is arranged above the two groups of sliding plates 9, and is used to transport the objects to be stacked; the transmission assembly 23 is arranged at one end of the conveyor belt 22 close to the movable plate 8, and is used to drive the conveyor belt 22 to rotate; the output end of the second motor 24 is fixedly connected to the transmission assembly 23, and the model of the second motor 24 is selected according to actual needs and meets the working conditions. The second motor 24 is used to provide power for the transmission assembly 23.

[0064] The conveyor belt 22 is composed of a second belt and two groups of fifth rotating rollers. The second belt is sleeved on the surfaces of the two groups of fifth rotating rollers. The second belt moves by the rotation of the two groups of fifth rotating rollers.

[0065] The transmission assembly 23 is composed of a chain and two sets of sprockets. The surfaces of the two sets of sprockets are meshed with the chains. The sprocket close to the conveyor belt 22 is coaxially arranged with the fifth rotating roller. The sprocket away from the conveyor belt 22 is fixedly connected to the output end of the second motor 24. The output end of the second motor 24 drives the sprocket away from the conveyor belt 22 to rotate.

[0066] The dried tofu stacking machine also includes: a support frame 1; the support frame 1 is composed of a horizontal plate and four groups of vertical plates, the four groups of vertical plates are arranged at the upper edge of the horizontal plate, and the bottom ends of the four groups of vertical plates are fixedly connected to the horizontal plate, the horizontal plate is located below the collecting device 2, and the four groups of vertical plates are fixedly connected to both ends of the two groups of limiting plates 3.

[0067] Working principle:

[0068] When the dried tofu stacking machine is in use, first, the completed objects to be stacked will be moved onto the first belt 20, at this time, the motor behind the first rotating roller 16 will be started, so that the first rotating roller 16 starts to rotate, and the first rotating roller 16 will move the first belt 20, and at the same time drive the second rotating roller 17, the third rotating roller 18 and the fourth rotating roller 19 to rotate synchronously, so as to realize the transportation of the objects to be stacked.

[0069] At the same time, the first motor 7 is started, and the output end of the first motor 7 drives the two sets of spur gears 5 to rotate in the same direction through the reduction gear of the reduction box 6. The spur gears 5 will move horizontally while rotating under the restriction of the rack 4; and the spur gears 5 drive the moving plate 8 to move in the direction away from the collecting device 2 through the reduction box 6 and the first motor 7, and drive the sliding plate 9 to move.

[0070] The sliding plate 9 will slide along the surface of the limiting plate 3 and drive the first conveying device to move; at this time, the sliding plate 9 also drives the first connecting rod 10 to move and causes the first connecting rod 10 to rotate slightly; the first connecting rod 10 drives the second connecting rod 11 to swing along the connection with the support member 21, so that the connecting member 12 moves in the same direction and rotates slightly; the connecting member 12 drives the first rotating roller 16 and the second rotating roller 17 to move through the moving frame 13 (the moving speed of the first conveying device must be greater than the moving speed of the moving frame 13).

[0071] When the first rotating roller 16 moves to the middle position of the first conveyor, the first conveyor moves to the extreme position away from the collecting device 2, and the objects to be stacked will move from the first belt 20 to the first conveyor; then the first motor 7 reverses, thereby driving the first conveyor to move in the opposite direction; at the same time, the first conveyor is operated so that the moving direction of the second belt on the first conveyor is the same as the moving direction of the first conveyor at this time; after the first conveyor moves to the top of the collecting device 2, the objects to be stacked will fall from the first conveyor to the collecting device 2, so that the objects to be stacked will be stacked without increasing weight, thus avoiding damage to the slideway and reducing the moving speed, so that the objects to be stacked can be moved to the top of the collecting device 2 on time.

[0072] Since the distance between the first rotating roller 16 and the fourth rotating roller 19 will increase, and the distance between the second rotating roller 17 and the third rotating roller 18 will decrease, a balance is achieved, and the first belt 20 will not be stretched, thus completing the use of the device.

[0073] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A dried tofu stacking machine, characterized in that: include: A stacking device, the stacking device comprising: two groups of limit plates (3), the two groups of limit plates (3) are arranged horizontally, and the stacking device is used to stack objects to be stacked; A collecting device (2) is arranged between the two sets of limiting plates (3) and is used to receive objects to be stacked; a first conveying device, arranged above the collecting device (2) and fixedly connected to the stacking device, the first conveying device being used to convey the objects to be stacked to the collecting device (2); A second conveying device is arranged above the first conveying device, and is used to transport the objects to be stacked onto the first conveying device. The second conveying device comprises: a moving frame (13), the moving frame (13) is fixedly connected to the stacking device, and the moving frame (13) moves horizontally under the drive of the stacking device.

2. The dried tofu stacking machine according to claim 1, characterized in that: The stacking device also includes: A driving assembly is arranged between the two sets of the limiting plates (3) and is fixedly connected to the limiting plates (3); Two groups of sliding plates (9), each group of sliding plates (9) having a slideway at the bottom end thereof and being slidably connected to the limiting plate (3) via the slideway; A movable plate (8) is disposed above the sliding plate (9) and is fixedly connected to the sliding plate (9); Two groups of first connecting rods (10), one end of each group of first connecting rods (10) close to the moving plate (8) is rotatably connected to the surface of the sliding plate (9); Two sets of second connecting rods (11) are arranged at one end of the first connecting rod (10) away from the movable plate (8), and the bottom end of the second connecting rod (11) is rotatably connected to the end of the first connecting rod (10) away from the movable plate (8), and a sliding groove is provided in the middle of the surface of the second connecting rod (11); Two groups of connecting members (12), each group of connecting members (12) is provided with a cylindrical pin at one end close to the second connecting rod (11) and is rotatably connected to the cylindrical pin, the cylindrical pin is arranged in the slide groove and is slidably connected to the second connecting rod (11) through the slide groove, and the end of the connecting member (12) away from the second connecting rod (11) is rotatably connected to the moving frame (13); Two groups of support members (21), each group of support members (21) consists of a first rod, a second rod and a hinge seat, the top ends of the first rod and the second rod are fixedly connected to the bottom end of the hinge seat, and the surface of the hinge seat is rotatably connected to the top end of the second connecting rod (11) for supporting the rotation of the second connecting rod (11).

3. The dried tofu stacking machine according to claim 2, characterized in that: A screw is arranged between the cylindrical pin and the slide slot, for limiting the position of the cylindrical pin in the slide slot.

4. The dried tofu stacking machine according to claim 2, characterized in that: The drive assembly comprises: Two groups of racks (4), each group of racks (4) being arranged on a side of the limiting plate (3) close to the collecting device (2); Two groups of spur gears (5), each group of spur gears (5) is arranged above the rack (4) and meshedly connected with the rack (4); A reduction box (6), wherein an output end of the reduction box (6) is coaxially arranged with the two sets of spur gears (5); A first motor (7), wherein an output end of the first motor (7) is fixedly connected to an input end of the reduction box (6), and the first motor (7) is fixedly connected to the moving plate (8).

5. The dried tofu stacking machine according to claim 4, characterized in that: The second transmission device also includes: Two groups of support plates (14), each group of support plates (14) is arranged below the moving frame (13) and is slidably connected to the moving frame (13), and one end of the support plate (14) close to the moving frame (13) is fixedly connected to the support member (21); Two groups of fixed frames (15) are arranged above the support plate (14) and located on a side away from the movable frame (13), and the fixed frames (15) are fixedly connected to the support plate (14); A first rotating roller (16) is arranged between the two groups of the moving frames (13), and two ends of the first rotating roller (16) are rotatably connected to one side of the two groups of the moving frames (13) away from the fixed frame (15); A second rotating roller (17) is arranged between the two groups of the moving frames (13), and two ends of the second rotating roller (17) are rotatably connected to one side of the two groups of the moving frames (13) close to the fixed frame (15); A third rotating roller (18), both ends of which are rotatably connected to the middle positions of the lower ends of the two groups of support plates (14); A fourth rotating roller (19) is arranged between the two groups of fixed frames (15), and two ends of the fourth rotating roller (19) are rotatably connected to one side of the two groups of fixed frames (15) away from the movable frame (13); The first belt (20) is sequentially sleeved on the surfaces of the first rotating roller (16), the second rotating roller (17), the third rotating roller (18) and the fourth rotating roller (19).

6. The dried tofu stacking machine according to claim 2, characterized in that: The first transmission device comprises: A conveyor belt (22) is arranged above the two sets of sliding plates (9) and is used to convey objects to be stacked; A transmission assembly (23), arranged at one end of the conveyor belt (22) close to the movable plate (8), and used for driving the conveyor belt (22) to rotate; A second motor (24), wherein an output end of the second motor (24) is fixedly connected to the transmission assembly (23).

7. The dried tofu stacking machine according to claim 6, characterized in that: The conveyor belt (22) is composed of a second belt and two groups of fifth rotating rollers, and the second belt is sleeved on the surfaces of the two groups of fifth rotating rollers.

8. The dried tofu stacking machine according to claim 7, characterized in that: The transmission assembly (23) is composed of a chain and two sets of sprockets, the surfaces of the two sets of sprockets are meshed with the chain, the sprocket close to the conveyor belt (22) is coaxially arranged with the fifth rotating roller, and the sprocket away from the conveyor belt (22) is fixedly connected to the output end of the second motor (24).

9. The dried tofu stacking machine according to claim 1, characterized in that: Also includes: A support frame (1); the support frame (1) is composed of a horizontal plate and four groups of vertical plates, the four groups of vertical plates are arranged on the upper edge of the horizontal plate, and the bottom ends of the four groups of vertical plates are fixedly connected to the horizontal plate, the horizontal plate is located below the collecting device (2), and the four groups of vertical plates are fixedly connected to the two ends of the two groups of limit plates (3).