Tray lifting and steering mechanism

Abstract

The utility model relates to the technical field of tobacco production and transportation, in particular to a tray lifting and steering mechanism which comprises a base. A movable bracket is mounted on the base, is configured to be capable of swinging and is used for transmitting power so as to lift the tray; the movable bracket is provided with a driving device for providing power for swinging of the movable bracket; a conveying mechanism is installed on the movable support and used for conveying trays. A buffering mechanism is further installed on the base and attached to the conveying mechanism in an elastic contact mode in the tray conveying process, and buffering is provided for the conveying mechanism. According to the mechanism, the lifting, conveying and buffering functions are integrated, intermediate links and manual intervention are reduced, and the working efficiency is improved. The defects in the prior art are overcome, the characteristics of high efficiency and stability are shown, and the actual requirements of tobacco production and transportation can be well met.

Description

TECHNICAL FIELD

[0001] The utility model relates to tobacco production transportation technical field, especially a tray elevating steering mechanism. BACKGROUND

[0002] In the cigarette production process, material conveying is a very key process link, and the tray plays an indispensable role in material conveying.

[0003] However, due to the limitation of the production site terrain, the cost control of production equipment and the cost of production plant land, etc., the tray conveying process often faces different height conversion and different direction conversion, and the slope conveying method cannot be used to solve these problems. At present, cigarette factories generally use mechanical hands to directly grab trays or cigarette boxes on the trays for transfer. Although this method can solve the problem, the mechanical structure of the mechanical hand is extremely complex, containing a large number of precise parts and complex control systems. This not only leads to a substantial increase in the purchase cost of the equipment, but also requires a high maintenance and repair cost in the later period. Moreover, in the actual operation process, the action of the mechanical hand needs to be precisely programmed and controlled, and the connection between each grabbing, moving and placing action is not smooth enough, resulting in poor process continuity of the entire material conveying process, low production efficiency, and inability to meet the requirements of modern cigarette production for high efficiency and speed.

[0004] Therefore, it is necessary to develop a space-saving and efficient lifting steering mechanism to bring real benefits to cigarette production enterprises and promote the development of the entire cigarette production industry to a more efficient and intelligent direction. SUMMARY

[0005] In order to solve the above-mentioned deficiencies of the prior art, the utility model provides a tray elevating steering mechanism, which is provided with key components such as a moving support, a conveying mechanism and a buffer mechanism. The driving device provides power for the moving support and drives the conveying mechanism connected thereto to realize lifting and swinging actions. The conveying mechanism can stably and efficiently complete the conveying task of the tray. The buffer mechanism provides buffer protection for the conveying mechanism through elastic contact during the tray transmission, ensuring the stability and order of the entire tray transmission process. The mechanism effectively makes up for the shortcomings of the prior art and has the significant advantages of high efficiency and stability.

[0006] Specifically, the tray lifting and steering mechanism comprises a base, a moving support installed on the base and configured to be swingable, a driving device provided on the moving support and configured to provide power for swinging of the moving support, a conveying mechanism installed on the moving support and configured to convey the tray, and a buffer mechanism installed on the base and configured to be in contact with the conveying mechanism in an elastic manner to provide buffer for the conveying mechanism and ensure stability of the tray conveying.

[0007] Further, the moving support has a parallelogram structure, one group of opposite vertices of the parallelogram moving support is connected to the base through a hinge, and the other group of opposite vertices is connected to the conveying mechanism through a fixed rod.

[0008] When the moving support swings around the hinge point of the base, the parallelogram structure deforms, and the vertical component of the deformation causes the conveying mechanism to rise or fall, and the overall swinging of the moving support drives the conveying mechanism to swing.

[0009] Further, the driving device of the moving support is a pneumatic cylinder, the cylinder body of which is fixed to the base, and the piston rod is connected to the fixed rod.

[0010] Further, the conveying mechanism comprises a first bearing, a second bearing, a third bearing, a conveying roller, a baffle and a mounting plate.

[0011] The baffle is stably connected to the moving support through the fixed rod, and the first bearing, the second bearing and the third bearing are connected to the baffle through the mounting plate to jointly build the main structure of the conveying mechanism.

[0012] The conveying roller is provided with two, which are installed on the first bearing and the third bearing respectively, and a belt is sleeved between the two conveying rollers to realize power transmission between the conveying rollers, so as to drive the tray placed on the belt to convey.

[0013] Further, a strip hole is formed in the baffle, and the third bearing can move in the strip hole.

[0014] Further, the buffer mechanism comprises a support frame, a conveying roller, a baffle and a buffer rod.

[0015] The support frame is connected with the base through a hinged connection, so that the support frame can swing relative to the base around the hinged point, thereby adapting to the position change of the conveying mechanism during swinging and lifting;

[0016] The transmission roller is installed above the support frame, and when the tray is conveyed from the conveying mechanism to the buffering mechanism, the transmission roller can assist the tray to move smoothly, reduce the friction between the tray and the buffering mechanism, and ensure the smoothness of the tray transmission;

[0017] The baffle is fixedly installed on the base by bolts, providing stable support and limiting for the swinging support frame;

[0018] One end of the buffer rod is fixedly connected with the baffle, and the other end slidably penetrates through the support frame. During the swinging of the support frame around the hinged point with the base, the buffer rod acts as an accurate guide component, limiting the support frame to swing only in the axial direction of the buffer rod, effectively avoiding the deviation or shaking of the support frame during swinging, and ensuring the accuracy and stability of the swinging track;

[0019] Further, a spring is sleeved on the buffer rod between the baffle and the support frame. When the conveying mechanism cooperates with the buffering mechanism through the coordinated movement of swinging and lifting, the impact force generated during conveying acts on the transmission roller, causing the support frame to swing around the hinged point with the base, and then gradually approach the baffle and compress the spring. The elastic deformation of the spring can effectively absorb and buffer the impact force.

[0020] Further, a driving motor is installed on the support frame. The driving motor is connected with the cylinder through a transmission system, on the one hand, to control the extension and retraction of the piston rod to drive the moving bracket to swing; on the other hand, the driving motor is connected with the transmission roller of the conveying mechanism to drive the roller to rotate, and the tray conveying is realized by means of belt transmission.

[0021] Working principle: Before the tray lifting and turning mechanism works, install the mechanism at the transfer channel of the material conveying device, ensure that the mechanism is installed stably and that all components are connected normally; then, adjust the position of the third bearing 63 in the strip-shaped hole 661 of the baffle 66, so that the belt 65 reaches the appropriate tension degree, to ensure the stability of the conveying process.

[0022] The tray is moved along the conveying path of the material conveying device to the transfer channel, and when the tray reaches the transfer channel, the tray lifting turning mechanism starts to work. The driving motor 69 is started, and the driving motor 69 starts to work as the power source of the whole mechanism. The driving motor 69 is connected to the cylinder 4 through the transmission system to control the extension and retraction of the piston rod of the cylinder 4; when the piston rod of the cylinder 4 extends, the piston rod pushes the fixed rod 3 connected thereto. Since the fixed rod 3 is connected to the moving bracket 5, and the moving bracket 5 has a parallelogram structure, one set of opposite corners is connected to the base 1 through a hinge, and the other set of opposite corners is connected to the conveying mechanism 6 through the fixed rod 3, so under the pushing of the piston rod, the moving bracket 5 swings clockwise around the hinge point of the base 1. With the swinging of the moving bracket 5, the parallelogram structure is deformed. This deformation produces a component in the vertical direction, causing the conveying mechanism 6 mounted on the moving bracket 5 to rise. At the same time, the overall swinging of the moving bracket 5 drives the conveying mechanism 6 to swing together, and when the conveying mechanism 6 swings and rises to the preset position, the conveying mechanism 6 will be in contact with the buffer mechanism 7. At this time, the driving motor 69 is connected to the transmission rollers 64 of the conveying mechanism 6 through the transmission system to drive the transmission rollers 64 to rotate. Since the two conveying rollers 64 are sleeved with the belt 65, when one conveying roller 64 rotates, the other conveying roller 64 is driven to rotate synchronously through the transmission of the belt 65, so that the tray placed on the belt 65 starts to be conveyed, and the tray is conveyed from the belt 65 to the transmission roller 72 of the buffer mechanism 7. During the conveying process, the baffle 66 is firmly connected to the moving bracket 5 through the fixed rod 3, and plays a certain limiting and protection role. The baffle 66 can prevent the tray from sliding off the belt 65 during the conveying process, and ensure that the tray moves along the predetermined conveying path.

[0023] When the tray is conveyed from the belt 65 to the transmission roller 72 of the buffer mechanism 7, due to the movement of the tray and the contact with the transmission roller 72, a certain impact force will be generated. The transmission roller 72 is installed above the support frame 71, which can assist the tray to move smoothly, reduce the friction between the tray and the buffer mechanism 7, and ensure the smoothness of the tray transmission. At the same time, due to the impact force generated by the transmission, the support frame 71 swings around the hinge point with the base 1. One end of the support frame 71 is connected with the base 1 through the hinge, and the other end of the buffer rod 75 is fixedly connected with the baffle 73, and the other end slidably penetrates through the support frame 71. In the process of swinging of the support frame 71, the buffer rod 75 acts as a precise guide component, which limits the support frame 71 to only swing along the axial direction of the buffer rod 75, effectively avoiding the deviation or shaking of the support frame 71 when swinging, and ensuring the accuracy and stability of the swinging track. Moreover, the spring 74 is sleeved on the buffer rod 75, and the spring 74 is located between the baffle 73 and the support frame 71. As the support frame 71 swings and gradually approaches the baffle 73, the spring 74 is compressed. In the process of being compressed, the elastic deformation of the spring 74 can effectively absorb and buffer the impact force generated by the tray transmission. When the impact force decreases, the spring 74 gradually recovers to the original state, releases the stored elastic potential energy, and pushes the support frame 71 back to the initial position or stable state in a relatively moderate manner, thereby ensuring the stability of the tray transmission. After being buffered by the buffer mechanism 7, the tray is continuously driven by the transmission roller 72 and finally output from the material conveying device outlet, completing the lifting, turning and conveying process of the tray.

[0024] When the piston rod of the air cylinder 4 is retracted, the piston rod pulls the fixed rod 3, so that the moving bracket 5 swings counterclockwise around the hinge point with the base 1. At this time, the parallelogram structure of the moving bracket 5 is reversely deformed, the conveying mechanism 6 is lowered and gradually recovers to the initial position, so as to be ready for the arrival of the next tray, and the above working process is repeated to realize continuous and efficient tray conveying work.

[0025] Advantages:

[0026] 1. The moving bracket, the conveying mechanism and the buffer mechanism are integrated on the base, so that the tray lifting, conveying and buffering are integrated, the conveying stability is ensured, the efficiency is improved, the manual work and the error rate are reduced, and the utility model is suitable for large-scale and efficient production.

[0027] 2. The moving bracket adopts the parallelogram structure, and when swinging around the hinge point of the base, the conveying mechanism is lifted and swung through the structural deformation, can cope with the height difference and the turning path, expands the conveying range, and improves the flexibility of the production line layout.

[0028] 3. The conveying mechanism can accurately and slowly match the buffer mechanism in the swing and lifting cooperative movement, realizes accurate tray conveying, improves automation and accuracy, and reduces manual intervention.

[0029] 4. The utility model discloses a cylinder driving moving support is selected, and power is stable, and output force is big, can swing direction and angle are accurately controlled, makes conveying mechanism action stable and reliable, guarantees tray lifting and turns accurately consistent. And response is fast, can drive support swing fast, adapts to high -speed production, reduces tray waiting time.

[0030] 5. The utility model discloses a conveying mechanism adopts double conveying roller and belt drive, can high -efficient transmission power, makes tray stable and fast conveying. This transmission mode simple structure, low in cost, high efficiency satisfies large -scale continuous conveying demand.

[0031] 6. The utility model discloses a strip hole of baffle makes third bearing movable, facilitates adjustment conveying roller center distance, adjusts the tightness of belt flexibly, avoids skidding, improves transmission efficiency and stability. And when maintaining, only need to adjust third bearing, reduce cost and downtime.

[0032] 7. The utility model discloses transmission roll is installed above support frame, assists tray movement, reduces friction, guarantees transmission smooth. Buffer rod is support frame guide, avoids swing and offset and shakes, ensures swing accurate and stable, improves conveying accuracy.

[0033] 8. The utility model discloses a spring on buffer rod is compressed when conveying impact, absorbs buffer impact force, protects tray, material and part, prolongs equipment life, reduces maintenance cost. After the spring restores when impact force reduces, makes support frame stable reset, guarantees that buffer mechanism continues reliable work. DRAWINGS

[0034] Figure 1 It is schematic view of installation position of the utility model mechanism and material conveying device;

[0035] Figure 2 It is schematic view of mechanism of the utility model and tray conveying;

[0036] Figure 3 It is schematic view of mechanism of the utility model and tray conveying;

[0037] Figure 4 It is schematic view of mechanism of the utility model and tray conveying;

[0038] Figure 5 It is schematic view of mechanism of the utility model and tray conveying;

[0039] Figure 6 It is schematic view of mechanism of the utility model and tray conveying;

[0040] Figure 7 This is a schematic diagram showing the disassembled transmission mechanism of this utility model;

[0041] Figure 8 This is a schematic diagram of the rotation of the third bearing of this utility model;

[0042] The numbers in the diagram are: 1—base, 3—fixed rod, 4—cylinder, 5—moving bracket, 8—material tray, 9—material conveying device;

[0043] 2—Conveyor frame, 21—Conveyor wheel;

[0044] 6—Conveying mechanism, 61—First bearing, 62—Second bearing, 63—Third bearing, 64—Conveying roller, 65—Belt, 66—Baffle, 661—Strip hole, 67—Connecting rod, 68—Mounting plate, 69—Drive motor;

[0045] 7—Buffer mechanism, 71—Support frame, 72—Transfer roller, 73—Baffle, 74—Spring, 75—Buffer rod. Detailed Implementation

[0046] The technical solution will now be described in detail with reference to the accompanying drawings of the embodiments of this utility model.

[0047] Example 1

[0048] like Figure 5 As shown, a pallet lifting and steering mechanism includes: a base 1, a fixed rod 3, a cylinder 4, a movable bracket 5, a conveying mechanism 6, a first bearing 61, a second bearing 62, a third bearing 63, a conveying roller 64, a belt 65, a baffle 66, a slotted hole 661, a connecting rod 67, a mounting plate 68, a drive motor 69, a buffer mechanism 7, a support frame 71, a conveying roller 72, a baffle 73, a spring 74, and a buffer rod 75.

[0049] like Figure 5 , 6 As shown, the movable support 5 is mounted on the base 1 and is configured to swing to transmit power to lift the tray; the movable support 5 has a parallelogram structure, one set of opposite vertices of the parallelogram movable support 5 is connected to the base 1 by hinges, and the other set of opposite vertices is connected to the conveying mechanism 6 by the fixed rod 3.

[0050] like Figure 6 As shown, when the movable support 5 swings around the hinge point with the base 1, the parallelogram structure deforms. The vertical component of this deformation causes the conveying mechanism 6 to rise or fall. At the same time, the overall swing of the movable support 5 drives the conveying mechanism 6 to swing. During the coordinated swinging and lifting motion, the position and angle of the conveying mechanism 6 continuously change. When it moves to the preset position, the conveying mechanism 6 will fit with the buffer mechanism 7, thereby conveying the tray towards the buffer mechanism 7.

[0051] like Figure 6 As shown, the movable support 5 is equipped with a drive device to provide power for the swing of the movable support 5; the drive device is a cylinder 4; its cylinder body is fixed to the base 1, and the piston rod is connected to the fixed rod 3. When the piston rod extends, it pushes the fixed rod 3 to make the movable support 5 swing clockwise around the hinge point with the base 1; when the piston rod retracts, it pulls the fixed rod 3 to make it swing counterclockwise.

[0052] like Figure 5 , 6 As shown, the conveying mechanism 6 is mounted on the movable support 5 for pallet conveying. The baffle 66 on the conveying mechanism 6 is stably connected to the movable support 5 by means of the fixing rod 3. The first bearing 61, the second bearing 62 and the third bearing 63 are all connected to the baffle 66 through the mounting plate 68, which together form the main structure of the conveying mechanism 6. There are two conveying rollers 64, which are respectively mounted on the first bearing 61 and the third bearing 63. A belt 65 is sleeved between the two conveying rollers 64 to realize the power transmission between the conveying rollers 64, thereby driving the pallet placed on the belt 65 to be conveyed.

[0053] like Figure 7 As shown, a strip-shaped hole 661 is formed on the baffle 66, and the third bearing 63 can move within the strip-shaped hole 661. By changing the position of the third bearing 63 in the strip-shaped hole 661, the center distance between the two transmission rollers 64 can be adjusted, thereby adjusting the tension of the belt 65.

[0054] like Figure 5 , 6 As shown, the buffer mechanism 7 is installed on the base 1. During the pallet transfer process, it fits against the conveying mechanism 6 through elastic contact to provide buffer for the conveying mechanism 6 and ensure the stability of the pallet transfer. The support frame 71 of the buffer mechanism 7 is hinged to the base 1, allowing the support frame 71 to swing relative to the base 1 around the hinge point, thereby adapting to the positional changes of the conveying mechanism 6 during swinging and lifting. The transmission roller 72 is installed above the support frame 71. When the pallet is conveyed from the conveying mechanism 6 to the buffer mechanism 7, the transmission roller 72 can assist the pallet to move smoothly, reduce the friction between the pallet and the buffer mechanism 7, and ensure the smoothness of pallet transmission. The baffle 73 is fixedly installed on the base 1 by bolts, providing stable support and limiting for the swinging support frame 71. One end of the buffer rod 75 is fixedly connected to the baffle 73, and the other end can slide through the support frame 71. During the swinging of the support frame 71 around its hinge point with the base 1, the buffer rod 75 acts as a precise guide component, restricting the support frame 71 to swing only along the axial direction of the buffer rod 75, effectively preventing the support frame 71 from deviating or shaking during swinging, and ensuring the accuracy and stability of its swing trajectory.

[0055] likeFigure 6 As shown, the spring 74 is sleeved on the buffer rod 75 and located between the baffle 73 and the support frame 71. When the conveying mechanism 6 is in contact with the buffer mechanism 7 through the coordinated movement of swinging and lifting, the impact force generated by the conveying acts on the conveying roller 72, causing the support frame 71 to swing around its hinge point with the base 1, and then gradually approach the baffle 73 and compress the spring 74. The elastic deformation of the spring 74 can effectively absorb and buffer the impact force.

[0056] like Figure 6 As shown, the drive motor 69 is mounted on the support frame 71. The drive motor 69 is connected to the cylinder 4 through the transmission system, which controls the extension and retraction of the piston rod to drive the moving support 5 to swing. On the other hand, it is connected to the transmission roller 64 of the transmission mechanism 6, which drives the roller to rotate and realizes the pallet transmission by means of the belt 65.

[0057] like Figures 1-4 As shown, before the pallet lifting and turning mechanism is put into operation, the mechanism is installed at the transfer channel of the material conveying device 9 to ensure that the mechanism is installed firmly and that all components are connected normally. Then, by adjusting the position of the third bearing 63 in the strip hole 661 on the baffle 66, the belt 65 is made to reach a suitable tension to ensure the stability of the conveying process.

[0058] The material conveying device 9 is activated, and the material pallet 8 moves along the conveying path of the material conveying device 9 towards the transfer channel. When the material pallet 8 reaches the transfer channel, the pallet lifting and steering mechanism starts working. The drive motor 69 is activated, and the drive motor 69, as the power source for the entire mechanism, begins to operate. The drive motor 69 is connected to the cylinder 4 through the transmission system, controlling the extension and retraction of the piston rod of the cylinder 4. When the piston rod of the cylinder 4 extends, the piston rod pushes the fixed rod 3 connected to it. Since the fixed rod 3 is connected to the movable support 5, and the movable support 5 has a parallelogram structure, with one set of opposite vertices connected to the base 1 by hinges, and the other set of opposite vertices connected to the conveying mechanism 6 through the fixed rod 3, the movable support 5 swings clockwise around the hinge point with the base 1 under the push of the piston rod. As the movable support 5 swings, its parallelogram structure deforms. This deformation produces a component in the vertical direction, causing the conveying mechanism 6 mounted on the movable support 5 to rise. Simultaneously, the overall swing of the movable support 5 causes the conveying mechanism 6 to swing as well. When the conveying mechanism 6 swings and rises in coordination to the preset position, it will engage with the buffer mechanism 7. At this time, the drive motor 69 is also connected to the transmission roller 64 of the conveying mechanism 6 through the transmission system, driving the transmission roller 64 to rotate. Since a belt 65 is fitted between the two transmission rollers 64, when one transmission roller 64 rotates, the other transmission roller 64 is driven to rotate synchronously through the transmission of the belt 65, thereby causing the material pallet 8 placed on the belt 65 to begin to be conveyed, transferring the material pallet 8 from the belt 65 to the transmission roller 72 of the buffer mechanism 7. During the conveying process, the baffle 66 is securely connected to the movable support 5 by means of the fixing rod 3, playing a certain limiting and protective role. The baffle 66 can prevent the material pallet 8 from slipping off the belt 65 during the conveying process, ensuring that the material pallet 8 moves along the predetermined conveying path.

[0059] When the material pallet 8 is conveyed from the belt 65 to the transmission roller 72 of the buffer mechanism 7, a certain impact force is generated due to the movement of the material pallet 8 and its contact with the transmission roller 72. The transmission roller 72 is installed above the support frame 71, which can assist the material pallet 8 to move smoothly, reduce the friction between the material pallet 8 and the buffer mechanism 7, and ensure the smooth transmission of the material pallet 8. At the same time, the impact force generated by the transmission acts on the transmission roller 72, causing the support frame 71 to swing around its hinge point with the base 1. One end of the support frame 71 is connected to the base 1 by a hinge, and one end of the buffer rod 75 is fixedly connected to the baffle 73, while the other end can slide through the support frame 71. During the swinging process of the support frame 71, the buffer rod 75 acts as a precise guide component, restricting the support frame 71 to swing only along the axial direction of the buffer rod 75, effectively preventing the support frame 71 from deviating or shaking during swinging, and ensuring the accuracy and stability of its swing trajectory. Furthermore, a spring 74 is sleeved on the buffer rod 75, located between the baffle 73 and the support frame 71. As the support frame 71 swings closer to the baffle 73, the spring 74 is compressed. During compression, the elastic deformation of the spring 74 effectively absorbs and buffers the impact force generated by the material pallet 8 during transport. When the impact force decreases, the spring 74 gradually returns to its original shape, releasing the stored elastic potential energy and gently pushing the support frame 71 back to its initial position or stable state, thus ensuring the stability of the material pallet 8 transport. After being buffered by the buffer mechanism 7, the material pallet 8, driven by the conveyor roller 72, is finally output from the outlet of the material conveying device 9, completing the entire process of lifting, turning, and conveying the material pallet 8.

[0060] When the piston rod of cylinder 4 retracts, it pulls the fixed rod 3, causing the movable support 5 to swing counterclockwise around the hinge point with the base 1. At this time, the parallelogram structure of the movable support 5 undergoes reverse deformation, the conveying mechanism 6 descends and gradually returns to its initial position, preparing to receive the next material pallet 8. The above workflow is repeated to achieve continuous and efficient material pallet 8 conveying operation.

[0061] It should be understood that the above-described specific embodiments of this utility model are merely illustrative or explanatory of the principles of this utility model and do not constitute a limitation thereof. Therefore, any modifications, equivalent substitutions, improvements, etc., made without departing from the spirit and scope of this utility model should be included within the protection scope of this utility model. Furthermore, the appended claims are intended to cover all variations and modifications falling within the scope and boundaries of the appended claims, or equivalent forms of such scope and boundaries.

Claims

1. A pallet lifting and steering mechanism, comprising: The base (1) is characterized in that a movable support (5) is mounted on the base (1) and is configured to be swingable for transmitting power to lift the tray; The movable support (5) is equipped with a drive device to provide power for the swing of the movable support (5); The movable support (5) is equipped with a conveying mechanism (6) for pallet conveying; The base (1) is also equipped with a buffer mechanism (7), which fits against the conveying mechanism (6) in an elastic contact manner during the pallet transfer process, providing buffer for the conveying mechanism (6) to ensure the stability of the pallet transfer.

2. The pallet lifting and steering mechanism according to claim 1, characterized in that: The movable support (5) has a parallelogram structure. One set of opposite vertices of the parallelogram movable support (5) is connected to the base (1) by hinge, and the other set of opposite vertices is connected to the conveying mechanism (6) by a fixed rod (3). When the movable support (5) swings around the hinge point with the base (1), the parallelogram structure deforms. The vertical component of this deformation causes the conveying mechanism (6) to rise or fall. At the same time, the overall swing of the movable support (5) drives the conveying mechanism (6) to swing. During the coordinated swing and rise and fall motion, the position and angle of the conveying mechanism (6) continue to change. When it moves to the preset position, the conveying mechanism (6) will fit with the buffer mechanism (7), thereby conveying the tray towards the buffer mechanism (7).

3. The pallet lifting and steering mechanism according to claim 2, characterized in that: The driving device of the movable support (5) is a cylinder (4); its cylinder body is fixed to the base (1), the piston rod is connected to the fixed rod (3), when the piston rod extends, it pushes the fixed rod (3) to make the movable support (5) swing clockwise around the hinge point with the base (1); when the piston rod retracts, it pulls the fixed rod (3) to make it swing counterclockwise.

4. The pallet lifting and steering mechanism according to claim 3, characterized in that: The conveying mechanism (6) includes: a first bearing (61), a second bearing (62), a third bearing (63), a conveying roller (64), a baffle (66), and a mounting plate (68); The baffle (66) is securely connected to the movable bracket (5) by means of the fixing rod (3). The first bearing (61), the second bearing (62) and the third bearing (63) are all connected to the baffle (66) through the mounting plate (68) to jointly construct the main structure of the conveying mechanism (6). Two conveyor rollers (64) are provided, which are respectively installed on the first bearing (61) and the third bearing (63), and a belt (65) is sleeved between the two conveyor rollers (64) to realize the power transmission between the conveyor rollers (64), thereby driving the pallet placed on the belt (65) to be conveyed.

5. The pallet lifting and steering mechanism according to claim 4, characterized in that: The baffle (66) has a strip hole (661) and the third bearing (63) can move within the strip hole (661). By changing the position of the third bearing (63) in the strip hole (661), the center distance between the two transmission rollers (64) can be adjusted, thereby adjusting the tension of the belt (65).

6. The pallet lifting and steering mechanism according to claim 2, characterized in that: The buffer mechanism (7) includes: a support frame (71), a transmission roller (72), a baffle (73), and a buffer rod (75); The support frame (71) is hinged to the base (1), so that the support frame (71) can swing relative to the base (1) around the hinge point, thereby adapting to the position change of the transmission mechanism (6) during swinging and lifting. The transfer roller (72) is installed above the support frame (71). When the pallet is transferred from the transfer mechanism (6) to the buffer mechanism (7), the transfer roller (72) can assist the pallet to move smoothly, reduce the friction between the pallet and the buffer mechanism (7), and ensure the smooth transfer of the pallet. The baffle (73) is fixedly installed on the base (1) by bolts, providing stable support and limiting for the swinging support frame (71); One end of the buffer rod (75) is fixedly connected to the baffle (73), and the other end can slide through the support frame (71). During the swing of the support frame (71) around its hinge point with the base (1), the buffer rod (75) acts as a precise guide component, restricting the support frame (71) to swing only along the axial direction of the buffer rod (75).

7. The pallet lifting and steering mechanism according to claim 6, characterized in that: A spring (74) is sleeved on the buffer rod (75) and located between the baffle (73) and the support frame (71). When the conveying mechanism (6) is in contact with the buffer mechanism (7) through the coordinated movement of swinging and lifting, the impact force generated by the conveying acts on the conveying roller (72), causing the support frame (71) to swing around its hinge point with the base (1), and then gradually approach the baffle (73) and compress the spring (74). The elastic deformation of the spring (74) can effectively absorb and buffer the impact force.

8. The pallet lifting and steering mechanism according to claim 7, characterized in that: A drive motor (69) is installed on the support frame (71). The drive motor (69) is connected to the cylinder (4) through the transmission system to control the extension and retraction of the piston rod to drive the moving support (5) to swing. On the other hand, it is connected to the transmission roller (64) of the transmission mechanism (6) to drive the roller to rotate and realize the pallet transmission by means of belt (65).

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