Automatic assembling production line for pallet stilts

Abstract

The automatic pallet foot column assembling production line comprises a foot pier conveying table, a foot pier carrying unit, a long strip plate carrying unit and an assembling unit, the foot pier carrying unit is arranged on one side of the foot pier conveying table, the foot pier carrying unit can carry foot piers to the foot pier conveying table, the foot piers can be conveniently conveyed to the assembling unit, and the assembling efficiency is improved. The assembling unit is arranged on one side of the foot pier conveying table, the long-strip-plate carrying unit is arranged on one side of the assembling unit, the long-strip-plate carrying unit can transfer long-strip-plates to the assembling unit, the assembling unit can complete assembling of the foot piers and the long-strip-plates, the production efficiency of the wood foot piers and the lattice wood pallets can be improved, the labor cost can be reduced, and the production efficiency of the wood foot piers and the lattice wood pallets can be improved. According to the automatic assembling production line for the pallet foot columns, the bearing capacity and the structural reliability of the lattice wood pallets can be improved, the wood foot piers can be conveniently assembled and nailed, the production efficiency of the wood foot piers and the lattice wood pallets can be improved, and the labor cost can be reduced.

Description

Technical Field

[0001] The invention belongs to the field of lattice wood pallet production, and specifically relates to an automatic assembly production line for pallet foot columns. Background Art

[0002] The lattice wood pallet is a common wooden pallet, usually used for the storage and transportation of goods. In the production process of the lattice wood pallet, assembling wooden foot piers is a very important process. It is necessary to connect multiple foot piers with long wooden strips through nails, such as Fig.11 As shown, five foot blocks are evenly arranged on the long wooden strips, and three sets of wooden foot blocks need to be installed on each lattice wooden pallet, and the three sets of wooden foot blocks are evenly arranged at the bottom of the lattice wooden pallet.

[0003] In the prior art, the wooden foot piers are mainly assembled by manual nailing. The production personnel hold a hammer or a nail gun to nail, place the foot piers evenly on the long wooden strips, and then use the hammer or nail gun to nail to connect the foot piers and the long wooden strips. Due to the large number of wooden foot piers and the large number of nailing positions, the manual nailing method has slow production efficiency and poor positioning accuracy, which affects the production efficiency and quality of the lattice wood pallet. In addition, the manual nailing method is prone to missed nails due to the negligence of the operator, which affects the load-bearing capacity and structural reliability of the lattice wood pallet.

[0004] Therefore, there is an urgent need to develop an automatic assembly production line for pallet foot columns that can easily assemble and nail wooden foot piers, improve the production efficiency of wooden foot piers and lattice wooden pallets, reduce labor costs, and improve the bearing capacity and structural reliability of lattice wooden pallets. Summary of the invention

[0005] The present invention is made to solve the above problems, and aims to provide a pallet foot column automatic assembly production line which can conveniently assemble and nail wooden foot piers, improve the production efficiency of wooden foot piers and lattice wooden pallets, reduce labor costs, and improve the load-bearing capacity and structural reliability of lattice wooden pallets. In order to achieve the above purposes, the technical solutions adopted by the present invention are as follows:

[0006] The present invention provides an automatic assembly production line for pallet foot columns, which has the following characteristics: it includes a foot pier conveying platform, a foot pier transporting unit, a long board transporting unit and an assembly unit, wherein the foot pier transporting unit is arranged on one side of the foot pier conveying platform, the assembly unit is arranged on one side of the foot pier conveying platform, and the long board transporting unit is arranged on one side of the assembly unit.

[0007] The automatic assembly production line for pallet legs provided by the present invention may also have the following feature: the leg handling unit includes a first robotic arm and a leg suction cup frame arranged at the end of the first robotic arm.

[0008] The automatic assembly production line for pallet legs provided by the present invention may also have the following feature: the long board transporting unit includes a second robotic arm and a long board suction cup frame arranged at the end of the second robotic arm.

[0009] The automatic assembly production line for pallet legs provided by the present invention may also have the following features: the assembly unit includes a bracket and a movable frame, the bracket is provided with a movable guide rail, the movable frame is provided with a movable roller matched with the movable guide rail, and the movable roller is movably arranged on the movable guide rail.

[0010] In the automatic assembly production line for pallet legs provided by the present invention, it may also have such a feature that a foot pier positioning assembly is provided on the movable frame, the foot pier positioning assembly includes a supporting plate, a first positioning plate and a second positioning plate, the supporting plate is arranged on the movable frame, the first positioning plate and the second positioning plate are arranged on both sides of the supporting plate, the first positioning plate is provided with a first electric push rod, and the second positioning plate is provided with a second electric push rod.

[0011] The automatic assembly production line for pallet legs provided by the present invention may also have the following feature: a first guide plate and a second guide plate are provided on the supporting plate, and the first guide plate and the second guide plate are respectively arranged on both sides of the supporting plate.

[0012] In the automatic assembly production line for pallet legs provided by the present invention, it may also have such a feature that the assembly unit also includes a nailing assembly, the nailing assembly includes a mounting bracket and a nail gun arranged on the mounting bracket, the mounting bracket is arranged on the bracket, and the nail gun is located above the movable frame.

[0013] In the automatic assembly production line of pallet foot columns provided by the present invention, it can also have such a feature, including a pushing unit, the pushing unit includes a horizontal guide rail, a horizontal slider, a slide plate, a vertical guide rail, a vertical slider, a lifting plate, a connecting rod and a pushing rod, the horizontal guide rail is arranged on the foot pier conveying platform, the horizontal slider is movably arranged on the horizontal guide rail, the slide plate is connected to the horizontal slider, a first cylinder is provided on the foot pier conveying platform, the telescopic end of the first cylinder is connected to the slide plate, the vertical guide rail is arranged on the slide plate, the vertical slider is movably arranged on the vertical guide rail, the lifting plate is connected to the vertical slider, a second cylinder is provided on the slide plate, the telescopic end of the second cylinder is connected to the lifting plate, one end of the connecting rod is connected to the lifting plate, and the other end of the connecting rod is connected to the pushing rod.

[0014] The automatic assembly production line for pallet legs provided by the present invention may also have such a feature, and further include a limit unit, which includes a limit cylinder, a cross beam and a limit plate, wherein the limit cylinder is arranged on the movable frame, the end of the cross beam is connected to the limit cylinder, and the limit plate is arranged on the cross beam and abuts against the push rod.

[0015] In the automatic assembly production line of pallet legs provided by the present invention, it may also have such features, including a flip loading unit, which is located on the side of the assembly unit away from the leg conveying platform, and the flip loading unit includes a flip bracket, a rotating shaft, a rotating arm and a driving motor, the rotating shaft is movably arranged on the flip bracket, the rotating arm is arranged on the rotating shaft, the rotating arm includes a sleeve and a clamping plate, the sleeve is sleeved on the rotating shaft, the clamping plate is arranged on the sleeve, the driving motor is arranged on the flip bracket, and the driving motor is connected to the rotating shaft.

[0016] The technical effect of the present invention is as follows: the automatic assembly production line of pallet foot columns provided by the present invention includes a foot pier conveying platform, a foot pier transporting unit, a long board transporting unit and an assembly unit, the foot pier transporting unit is arranged on one side of the foot pier conveying platform, the foot pier transporting unit can transport the foot pier to the foot pier conveying platform, and it is convenient to transport the foot pier to the assembly unit, the assembly unit is arranged on one side of the foot pier conveying platform, the long board transporting unit is arranged on one side of the assembly unit, the long board transporting unit can transfer the long board to the assembly unit, and the assembly unit can complete the assembly of the foot pier and the long board, which is beneficial to improving the production efficiency of wooden foot piers and lattice wooden pallets, reducing labor costs, and improving the load-bearing capacity and structural reliability of the lattice wooden pallets.

[0017] Therefore, the automatic assembly production line for pallet legs provided by the present invention can facilitate the assembly of wooden legs and nailing of wooden legs, thereby improving the production efficiency of wooden legs and lattice wooden pallets, thereby reducing labor costs and improving the load-bearing capacity and structural reliability of lattice wooden pallets. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] This specification includes the following drawings, which show the following contents:

[0019] Figure 1 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 1 ;

[0020] Figure 2 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 2 ;

[0021] Figure 3 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 3 ;

[0022] Figure 4 is a schematic structural diagram of an assembly unit in an embodiment of the present invention;

[0023] Figure 5 is a schematic structural diagram of a foot pier positioning assembly in an embodiment of the present invention;

[0024] Figure 6The structure of the push unit in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0025] Figure 7 The structure of the push unit in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0026] Figure 8 The structure of the limiting unit in the embodiment of the present invention is shown in FIG. Figure 1 ;

[0027] Fig. 9 The structure of the limiting unit in the embodiment of the present invention is shown in FIG. Figure 2 ;

[0028] Fig.10 2 is a schematic structural diagram of a flip loading unit in an embodiment of the present invention;

[0029] Fig.11 It is a schematic structural diagram of a wooden foot pier in an embodiment of the present invention.

[0030] The markings in the figure are: foot pier-1, long board-2, foot pier conveying platform-10, first cylinder-11, foot pier handling unit-20, first mechanical arm-21, foot pier suction cup frame-22, long board handling unit-30, second mechanical arm-31, long board suction cup-32, long board temporary storage frame-33, assembly unit-40, bracket-41, moving guide rail-411, moving frame-42, moving roller-421, foot pier positioning assembly-43, supporting plate-431, first positioning plate-432, second positioning plate-433, first electric push rod-434, second electric push rod-435, The first guide plate -436, the second guide plate -437, the nailing assembly -44, the mounting bracket -441, the nail gun -442, the pushing unit -50, the horizontal guide rail -51, the horizontal slider -52, the slide plate -53, the vertical guide rail -54, the vertical slider -55, the lifting plate -56, the connecting rod -57, the pushing rod -58, the second cylinder -59, the limiting unit -60, the limiting cylinder -61, the crossbeam -62, the limiting plate -63, the flip feeding unit -70, the flip bracket -71, the rotating shaft -72, the rotating arm -73, the sleeve -731, the clamping plate -732, and the driving motor -74. DETAILED DESCRIPTION

[0031] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and facilitating their implementation.

[0032] Figure 1 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 1 ; Figure 2 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 2 ; Figure 3 The structure of the automatic assembly production line for pallet legs in the embodiment of the present invention is schematically shown. Figure 3 .

[0033] like Figure 1 , Figure 2 as well as Figure 3 As shown, the automatic assembly production line for pallet foot columns provided by the present invention includes a foot pier conveying platform 10, a foot pier transporting unit 20, a long board transporting unit 30 and an assembly unit 40. The foot pier transporting unit 20 is arranged on one side of the foot pier conveying platform 10. The foot pier transporting unit 20 can transport the foot pier 1 from the foot pier pile to the foot pier conveying platform 10, so as to facilitate the transport of the foot pier 1 to the assembly unit. The assembly unit 40 is arranged on one side of the foot pier conveying platform 10. The long board transporting unit 30 is arranged on one side of the assembly unit 40. The long board transporting unit 30 can The long board 2 can be transferred to the assembly unit 40, and the assembly unit 40 can complete the assembly of the foot pier 1 and the long board 2, which is beneficial to improving the production efficiency of wooden foot piers and lattice wooden pallets, reducing labor costs, and improving the bearing capacity and structural reliability of lattice wooden pallets. The automatic assembly production line for pallet legs provided by the present invention can facilitate the assembly of wooden foot piers and nailing of wooden foot piers, which can improve the production efficiency of wooden foot piers and lattice wooden pallets, reduce labor costs, and improve the bearing capacity and structural reliability of lattice wooden pallets.

[0034] The foot pier transport unit 20 includes a first robotic arm 21 and a foot pier suction cup frame 22 arranged at the end of the first robotic arm 21. The first robotic arm 21 can absorb and grab the foot pier 1 through the foot pier suction cup frame 22, and transfer the foot pier 1 to the foot pier conveying platform 10, so that the operator can push the foot pier 1 to the assembly unit 40, which is conducive to reducing labor costs and improving the production efficiency of wooden foot piers and lattice wooden pallets.

[0035] The long board transport unit 30 includes a second robotic arm 31 and a long board suction cup 32 arranged at the end of the second robotic arm 31. The long board transport unit 30 also includes a long board temporary storage rack 33. The operator transports the long board 2 to the long board temporary storage rack 33. The second robotic arm 31 can absorb and grasp the long board 2 through the long board suction cup 32 and transfer the long board 2 to the assembly unit 40, which is beneficial to reduce labor costs and improve the production efficiency of wooden foot piers and lattice wooden pallets.

[0036] Figure 4 It is a structural schematic diagram of an assembly unit in an embodiment of the present invention.

[0037] like Figure 4As shown, the assembly unit 40 includes a bracket 41 and a movable frame 42. The bracket 41 is provided with a movable guide rail 411, and the movable frame 42 is provided with a movable roller 421 adapted to the movable guide rail 411. The movable roller 421 is rollably arranged on the movable guide rail 411, so that the movable frame 42 can be slidably arranged on the bracket 41.

[0038] Figure 5 Schematic diagram of the structure of the foot pier positioning assembly in an embodiment of the present invention.

[0039] like Figure 4 and Figure 5 As shown, a foot pier positioning assembly 43 is provided on the mobile frame 42, and the foot pier positioning assembly 43 includes a supporting plate 431, a first positioning plate 432 and a second positioning plate 433. The supporting plate 431 is arranged on the mobile frame 42, and the first positioning plate 432 and the second positioning plate 433 are respectively arranged on both sides of the supporting plate 431. The operator pushes three foot piers 1 into the foot pier positioning assembly 43, and the first positioning plate 432 and the second positioning plate 433 are respectively located on both sides of the foot pier 1 to position the foot pier 1. A first electric push rod 434 is provided on the plate 432, and the first electric push rod 434 is telescopically arranged on the first positioning plate 432. When the first electric push rod 434 is extended, it can limit the foot pier 1; a second electric push rod 435 is provided on the second positioning plate 433, and the second electric push rod 435 is telescopically arranged on the second positioning plate 433. When the second electric push rod 435 is extended, it can limit the foot pier 1, thereby improving the positioning accuracy of the foot pier 1, which is beneficial to improving the production efficiency of wooden foot piers and lattice wooden pallets.

[0040] like Figure 5 As shown, a first guide plate 436 and a second guide plate 437 are provided on the supporting plate 431, and the first guide plate 436 and the second guide plate 437 are respectively arranged on both sides of the supporting plate 431, the first guide plate 436 is located on the side of the first positioning plate 432 close to the foot pier conveying platform 10, and the second guide plate 437 is located on the side of the second positioning plate 433 close to the foot pier conveying platform 10, and the first guide plate 436 and the second guide plate 437 are arranged in an "eight" shape, which is convenient for guiding the foot pier 1 to between the first positioning plate 432 and the second positioning plate 433, and the three foot piers 1 are tightly placed between the first positioning plate 432 and the second positioning plate 433.

[0041] Five groups of foot pier positioning assemblies 43 are evenly arranged on the mobile frame 42, and three foot piers 1 are placed in each group of foot pier positioning assemblies 43. The second robot arm 31 absorbs and grabs the long board 2 through the long board suction cup 32, and places the three long boards 2 on the foot pier 1, which are supported by the five groups of foot pier positioning assemblies 43.

[0042] The assembly unit 40 also includes a nailing assembly 44, which includes a mounting bracket 441 and a nail gun 442 arranged on the mounting bracket 441. The mounting bracket 441 is arranged on the bracket 41, and the nail gun 442 is located above the moving frame 42. When the moving frame 42 slides along the moving guide rail 411, it can drive the foot pier 1 and the long board 2 to move. The nail gun 442 nails the foot pier 1 and the long board 2 through the nailing assembly 44 to connect the foot pier 1 and the long board 2, which is convenient for assembling the wooden foot pier. Nailing the wooden foot pier can avoid the problem of missing nails due to negligence of the staff, which is beneficial to improving the production efficiency of the wooden foot pier and the lattice wooden pallet, reducing labor costs, and improving the bearing capacity and structural reliability of the lattice wooden pallet.

[0043] Figure 6 The structure of the push unit in the embodiment of the present invention is shown in FIG. Figure 1 ; Figure 7 The structure of the push unit in the embodiment of the present invention is shown in FIG. Figure 2 .

[0044] like Figure 6 and Figure 7 As shown, the automatic assembly production line for pallet foot columns provided by the present invention also includes a pushing unit 50, which includes a horizontal guide rail 51, a horizontal slider 52, a slide plate 53, a vertical guide rail 54, a vertical slider 55, a lifting plate 56, a connecting rod 57 and a pushing rod 58. The horizontal guide rail 51 is arranged on the foot pier conveying platform 10 along the horizontal direction, the horizontal slider 52 is slidably arranged on the horizontal guide rail 51, and the slide plate 53 is connected to the horizontal slider 52 so that the slide plate 53 can slide along the horizontal direction. The foot pier conveying platform 10 is provided with a first cylinder 11, and the telescopic end of the first cylinder 11 is connected to the slide plate 53, and the first cylinder 11 can drive the slide plate 53 to slide along the horizontal direction; the vertical guide rail 54 is arranged in the vertical direction On the slide plate 53, a vertical slider 55 is slidably arranged on the vertical guide rail 54, and a lifting plate 56 is connected to the vertical slider 55, so that the lifting plate 56 can slide in the vertical direction. A second cylinder 59 is provided on the slide plate 53, and the telescopic end of the second cylinder 59 is connected to the lifting plate 56, so that the second cylinder 59 can drive the lifting plate 56 to slide in the vertical direction; one end of the connecting rod 57 is connected to the lifting plate 56, and the other end of the connecting rod 57 is connected to the pushing rod 58, and the two ends of the pushing rod 58 are respectively connected to the two connecting rods 57, so that the pushing unit 50 can drive the pushing rod 58 to move in the vertical direction and the horizontal direction, and can push out the wooden foot pier assembled on the moving frame 42, thereby improving the reliability of the structure.

[0045] Figure 8 The structure of the limiting unit in the embodiment of the present invention is shown in FIG. Figure 1 ; Fig. 9 The structure of the limiting unit in the embodiment of the present invention is shown in FIG. Figure 2 .

[0046] like Figure 8 and Fig. 9 As shown, the automatic assembly production line for pallet legs provided by the present invention also includes a limit unit 60, which includes a limit cylinder 61, a cross beam 62 and a limit plate 63. The limit cylinder 61 is arranged on the moving frame 42, the telescopic end of the limit cylinder 61 is connected to the moving frame 42, the end of the cross beam 62 is connected to the cylinder body of the limit cylinder 61, the limit plate 63 is evenly arranged on the cross beam 62, and the limit plate 62 abuts against the push rod 58, thereby limiting the sliding of the moving frame 42 along the moving guide rail 411, so that the moving frame 42 can slide smoothly, thereby improving the stability and reliability of the nailing processing of the nailing assembly 44.

[0047] Fig.10 It is a schematic structural diagram of a flip loading unit in an embodiment of the present invention.

[0048] like Fig.10 As shown, the automatic assembly production line for pallet foot columns provided by the present invention also includes a flip loading unit 70, which is located on the side of the assembly unit 40 away from the foot pier conveying platform 10. The flip loading unit 70 includes a flip bracket 71, a rotating shaft 72, a rotating arm 73 and a driving motor 74. The rotating shaft 72 is movably arranged on the flip bracket 71. Both ends of the rotating shaft 72 are provided with bearing seats, and the bearing seats are arranged on the flip bracket 71, so that the rotating shaft 72 can be rotatably arranged on the flip bracket 71. The rotating arm 73 includes a sleeve 731 and a clamping plate 732. The sleeve 731 is sleeved on the rotating shaft 72, and the clamping plate 732 is connected to the sleeve 731, and the splints 732 are grouped in pairs. The two groups of splints 732 are respectively arranged on both sides of the sleeve 731, so that the splints 732 can clamp the assembled wooden pier, and the driving motor 74 is arranged on the flip bracket 71. The driving motor 74 is connected to the rotating shaft 72 through a belt transmission method, thereby driving the rotating shaft 72 to rotate, and driving the assembled wooden pier to flip, which can facilitate the next process of assembling the lattice wood pallet, improve the production efficiency of the wooden pier and the lattice wood pallet, help reduce labor costs, and help improve the load-bearing capacity and structural reliability of the lattice wood pallet.

[0049] When assembling wooden foot piers through the automatic assembly production line for pallet foot columns provided by the present invention, the first mechanical arm 21 absorbs and grabs the foot pier 1 through the foot pier suction cup frame 22, and transfers the foot pier 1 to the foot pier conveying platform 10, so that the operator can push the foot pier 1 into the foot pier positioning assembly 43. The first electric push rod 434 and the second electric push rod 435 are in an extended state to limit the foot pier 1. The second mechanical arm 31 can absorb and grab the long board 2 on the long board temporary storage rack 33 through the long board suction cup 32, and place it on the foot pier 1 of the mobile rack 42. The mobile rack 42 moves. The foot pier 1 and the long board 2 are driven to move along the movable guide rail 411, and pass through the nailing assembly 44 in turn, and the foot pier 1 and the long board 2 are connected by nailing with a nail gun 442. After the wooden foot pier is assembled, the movable frame 42 returns to its original position, and the first electric push rod 434 and the second electric push rod 435 are in a retracted state. The pushing unit 50 drives the pushing rod 58 to move along the vertical direction and the horizontal direction, thereby pushing the assembled wooden foot pier to move toward the flipping loading unit 70, and the clamping plate 732 clamps the wooden foot pier to flip it, so as to facilitate the loading of the wooden foot pier in the process of the lattice wood pallet.

[0050] Functions and Effects of the Embodiments

[0051] The automatic assembly production line for pallet foot columns provided by the present invention comprises a foot pier conveying platform 10, a foot pier transporting unit 20, a long board transporting unit 30 and an assembly unit 40. The foot pier transporting unit 20 is arranged on one side of the foot pier conveying platform 10. The foot pier transporting unit 20 can transport the foot pier 1 from the foot pier pile to the foot pier conveying platform 10, so as to facilitate the transport of the foot pier 1 to the assembly unit. The assembly unit 40 is arranged on one side of the foot pier conveying platform 10. The long board transporting unit 30 is arranged on one side of the assembly unit 40. The long board transporting unit 30 can The long board 2 is transferred to the assembly unit 40, and the assembly unit 40 can complete the assembly of the foot pier 1 and the long board 2, which is beneficial to improving the production efficiency of wooden foot piers and lattice wooden pallets, reducing labor costs, and improving the bearing capacity and structural reliability of lattice wooden pallets. The automatic assembly production line for pallet legs provided by the present invention can facilitate the assembly of wooden foot piers and nailing of wooden foot piers, which can improve the production efficiency of wooden foot piers and lattice wooden pallets, reduce labor costs, and improve the bearing capacity and structural reliability of lattice wooden pallets.

[0052] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A pallet foot column automatic assembly production line, characterized in that: The invention comprises a foot pier conveying platform (10), a foot pier transporting unit (20), a strip board transporting unit (30) and an assembly unit (40), wherein the foot pier transporting unit (20) is arranged on one side of the foot pier conveying platform (10), the assembly unit (40) is arranged on one side of the foot pier conveying platform (10), and the strip board transporting unit (30) is arranged on one side of the assembly unit (40).

2. The automatic assembly line for pallet legs according to claim 1, characterized in that: The foot pier transport unit (20) comprises a first mechanical arm (21) and a foot pier suction cup frame (22) arranged at the end of the first mechanical arm (21).

3. The automatic assembly line for pallet legs according to claim 1, characterized in that: The long board transport unit (30) comprises a second mechanical arm (31) and a long board suction cup frame (32) arranged at the end of the second mechanical arm (31).

4. The automatic assembly line for pallet legs according to claim 1, characterized in that: The assembly unit (40) comprises a bracket (41) and a movable bracket (42); the bracket (41) is provided with a movable guide rail (411); the movable bracket (42) is provided with a movable roller (421) adapted to the movable guide rail (411); the movable roller (421) is movably arranged on the movable guide rail (411).

5. The automatic assembly line for pallet legs according to claim 2, characterized in that: The movable frame (42) is provided with a foot pier positioning assembly (43), and the foot pier positioning assembly (43) comprises a supporting plate (431), a first positioning plate (432) and a second positioning plate (433), the supporting plate (431) is arranged on the movable frame (42), the first positioning plate (432) and the second positioning plate (433) are arranged on both sides of the supporting plate (431), the first positioning plate (432) is provided with a first electric push rod (434), and the second positioning plate (433) is provided with a second electric push rod (435).

6. The automatic assembly line for pallet legs according to claim 5, characterized in that: The supporting plate (431) is provided with a first guide plate (436) and a second guide plate (437), and the first guide plate (436) and the second guide plate (437) are respectively arranged on two sides of the supporting plate (431).

7. The automatic assembly line for pallet legs according to claim 5, characterized in that: The assembly unit (40) further comprises a nailing assembly (44), wherein the nailing assembly (44) comprises a mounting bracket (441) and a nail gun (442) arranged on the mounting bracket (441), wherein the mounting bracket (441) is arranged on the bracket (41), and the nail gun (442) is located above the moving frame (42).

8. The automatic assembly line for pallet legs according to claim 7, characterized in that: The invention also comprises a pushing unit (50), wherein the pushing unit (50) comprises a horizontal guide rail (51), a horizontal slider (52), a slide plate (53), a vertical guide rail (54), a vertical slider (55), a lifting plate (56), a connecting rod (57) and a pushing rod (58), wherein the horizontal guide rail (51) is arranged on the foot pier conveying platform (10), the horizontal slider (52) is movably arranged on the horizontal guide rail (51), the slide plate (53) is connected to the horizontal slider (52), the foot pier conveying platform (10) is provided with a first cylinder (11), and the first cylinder (11) is provided on the foot pier conveying platform (10). The telescopic end of a cylinder (11) is connected to the slide plate (53), the vertical guide rail (54) is arranged on the slide plate (53), the vertical slider (55) is movably arranged on the vertical guide rail (54), the lifting plate (56) is connected to the vertical slider (55), a second cylinder (59) is arranged on the slide plate (53), the telescopic end of the second cylinder (59) is connected to the lifting plate (56), one end of the connecting rod (57) is connected to the lifting plate (56), and the other end of the connecting rod (57) is connected to the pushing rod (58).

9. The automatic assembly line for pallet legs according to claim 8, characterized in that: The invention also comprises a limiting unit (60), wherein the limiting unit (60) comprises a limiting cylinder (61), a cross beam (62) and a limiting plate (63), wherein the limiting cylinder (61) is arranged on the movable frame (42), an end of the cross beam (62) is connected to the limiting cylinder (61), and the limiting plate (63) is arranged on the cross beam (62) and abuts against the push rod (58).

10. The automatic assembly line for pallet legs according to claim 9, characterized in that: The invention also comprises a flip loading unit (70), wherein the flip loading unit (70) is located on a side of the assembly unit (40) away from the foot pier conveying platform (10), and the flip loading unit (70) comprises a flip bracket (71), a rotating shaft (72), a rotating arm (73) and a driving motor (74), wherein the rotating shaft (72) is movably arranged on the flip bracket (71), the rotating arm (73) is arranged on the rotating shaft (72), the rotating arm (73) comprises a sleeve (731) and a clamping plate (732), the sleeve (731) is sleeved on the rotating shaft (72), the clamping plate (732) is arranged on the sleeve (731), the driving motor (74) is arranged on the flip bracket (71), and the driving motor (74) is connected to the rotating shaft (72).

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