A stacking robot for vent production

Abstract

This invention relates to palletizing robots, and more particularly to a palletizing robot for producing ventilation openings. It includes a base plate, a top articulated palletizing robot arm mounted on the top of the base plate, a mounting plate connected to the top of the base plate, and a U-shaped plate connected to the top of the mounting plate. Support plates for supporting ventilation openings are vertically stacked on the top of the base plate. A lifting mechanism is provided at the bottom of the U-shaped plate for lifting the support plates upwards to the inside of the U-shaped plate. A pushing mechanism is provided at the top of the U-shaped plate for pushing the ventilation openings stacked on the uppermost support plate. An electric slide rail can drive the lifting plate upwards to lift the next support plate into the U-shaped plate, achieving automatic replacement of support plates. This eliminates the need for manual placement and replacement of support plates one by one, reducing human intervention, manpower requirements, and worker fatigue. It also eliminates the need to pause the articulated palletizing robot arm for support plate replacement, enabling continuous palletizing of ventilation openings and significantly improving overall palletizing efficiency.

Description

Technical Field

[0001] This invention relates to palletizing robots, and more particularly to a palletizing robot for the production of ventilation openings. Background Technology

[0002] Ventilation vents, also known as air outlets or inlets, are key components for air circulation in buildings, vehicles, and various facilities. They help regulate indoor air quality, control temperature and humidity, and effectively remove pollutants and odors. Depending on their application environment, ventilation vents can be designed in various styles and sizes, including but not limited to grille types and louver types.

[0003] To improve production efficiency, increase output, and reduce labor intensity and labor requirements, automated palletizing robots are typically used on vent production lines to palletize vents. These robots neatly stack vents on pallets, which are then removed using forklifts. However, existing automated palletizing robots lack an automatic pallet replacement mechanism. This means workers must closely monitor forklift operations and manually place new pallets immediately after the forklifts remove them. This method is not only cumbersome and time-consuming, but also requires pausing the palletizing robot's operation to avoid safety risks or product damage, resulting in interruptions in continuous ventlet pallet palletizing and impacting overall palletizing efficiency. Summary of the Invention

[0004] The purpose of this invention is to provide a palletizing robot for ventilator production that can automatically replace support plates in order to solve the above-mentioned problems.

[0005] The present invention achieves the above-mentioned objectives through the following technical solution: a palletizing robot for producing ventilation openings, comprising a base plate, an articulated palletizing robot arm mounted on the top of the base plate, a mounting plate connected to the top of the base plate, a U-shaped plate connected to the top of the mounting plate, support plates for supporting ventilation openings vertically stacked on the top of the base plate, a lifting mechanism at the bottom of the U-shaped plate for lifting the support plates upward to the inside of the U-shaped plate, a holding mechanism at the bottom of the U-shaped plate for supporting the uppermost support plate, the holding mechanism comprising two sets of fixing blocks symmetrically connected to the bottom of the U-shaped plate, each fixing block being connected to a guide rod, each guide rod being slidably provided with a wedge-shaped lifting block, a spring connecting the wedge-shaped lifting block and the guide rod, and a pushing mechanism at the top of the U-shaped plate for pushing the ventilation openings stacked on the uppermost support plate.

[0006] Preferably, the support plate includes a material support plate, partition blocks, positioning cross plates, and slide bars. The bottom of the material support plate is connected with four partition blocks at intervals to separate the material support plates of two adjacent upper and lower support plates. The top of the material support plate is connected with a positioning cross plate for positioning the ventilation opening. The positioning cross plate has two openings for forklift forks to insert. Slide bars are connected to both sides of the material support plate. Guide grooves for guiding the slide bars are opened on both sides of the inner wall of the U-shaped plate.

[0007] Preferably, the lifting mechanism includes two guide rods symmetrically connected to the bottom of the U-shaped plate. Each guide rod is slidably provided with a lifting plate. The two lifting plates correspond to two slide bars on the support plate. The lifting plates and their corresponding slide bars are on the same vertical line. Two electric slide rails for driving the two lifting plates to rise and fall are symmetrically installed at the bottom of the U-shaped plate.

[0008] Preferably, the pushing mechanism includes two connecting plates symmetrically mounted on the top of the U-shaped plate, each connecting plate is connected to a side plate, and a rodless cylinder is mounted on the side of each side plate that is far apart from each other. A U-shaped push plate located on the outside of the side plate is connected between the two rodless cylinders.

[0009] Preferably, the side plate is provided with a sorting mechanism for sorting the vents. The sorting mechanism includes a vertical plate that is slidably connected to the side plate via a slide rod. The vertical plate is located between the two side plates. An electric push rod is installed on the side plate to drive the vertical plate to move horizontally back and forth. Both the electric push rod and the slide rod are located on the upper side of the U-shaped push plate.

[0010] Preferably, the support plate is provided with a positioning mechanism for positioning the ventilation opening. The positioning mechanism includes two L-shaped positioning plates that are symmetrically slidably arranged on the support plate. Two sets of vertical rods are symmetrically connected to the bottom of the support plate. The two sets of vertical rods slide through the two L-shaped positioning plates respectively. A second spring is sleeved on the vertical rod. The two ends of the second spring are connected to the L-shaped positioning plate and the vertical rod respectively. Push blocks for pushing the L-shaped positioning plate down are connected to the bottom of the two side plates.

[0011] Preferably, the bottom plate is provided with a feeding mechanism, which includes an L-shaped placement plate for placing the support plate. I-shaped rods are connected to both sides of the L-shaped placement plate. Hooks are slidably provided on the I-shaped rods. A spring is connected between the hooks and the I-shaped rods. Two positioning posts are symmetrically connected between the top of the bottom plate and the bottom of the U-shaped plate. The positioning posts have openings for the hooks to pass through.

[0012] Preferably, the feeding mechanism further includes a positioning strip connected to the bottom of the L-shaped placement plate, and the top of the bottom plate has a positioning opening for the positioning strip to slide.

[0013] Compared with the prior art, the present invention has the following advantages:

[0014] 1. The rodless cylinder drives the U-shaped pusher to move horizontally back and forth, pushing a stacked row of vents away from the articulated palletizing arm, reserving space for the next row of vents. The electric slide rail drives the lifting plate to move up and lift the next support plate into the U-shaped plate, realizing automatic replacement of support plates. There is no need for manual placement and replacement of support plates one by one, reducing manual intervention, manpower requirements, and labor intensity of workers. There is no need to stop the articulated palletizing arm to replace support plates, and the palletizing operation of vents can be carried out continuously, which significantly improves the overall palletizing efficiency.

[0015] 2. Through the cooperation of spring 1 and wedge-shaped support block, it is ensured that even after the lifting plate moves down and resets, the uppermost support plate can be effectively supported, preventing the last support plate from falling due to loss of support. It can also ensure that the support plate can stably support the ventilation opening at any time, avoiding accidental falling due to insufficient support, thus improving stability and reliability.

[0016] 3. By driving the two vertical plates closer together through the electric push rod, the two adjacent rows of ventilation openings can be pushed closer together, realizing the automatic arrangement of the ventilation openings and making the two adjacent rows of ventilation openings tightly arranged together. This avoids excessive gaps between the two adjacent rows of ventilation openings, thereby preventing the ventilation openings from collapsing during subsequent forklift unloading.

[0017] 4. The combination of spring 2, L-shaped positioning plate and positioning cross plate can limit the ventilation opening to prevent it from collapsing during subsequent forklift handling. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 .

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 .

[0020] Figure 3 This is a three-dimensional structural diagram of the actuating mechanism of the present invention.

[0021] Figure 4 This is a three-dimensional structural diagram of the lifting mechanism and the supporting mechanism of the present invention.

[0022] Figure 5 This is a three-dimensional structural diagram of the supporting mechanism of the present invention.

[0023] Figure 6 This is a three-dimensional structural diagram of the sorting mechanism of the present invention.

[0024] Figure 7 This is a schematic diagram of the installation of the positioning mechanism of the present invention.

[0025] Figure 8 This is a three-dimensional structural diagram of the positioning mechanism of the present invention.

[0026] Figure 9 This is a three-dimensional structural diagram of the feeding mechanism of the present invention.

[0027] Figure 10 This is a partial three-dimensional structural diagram of the feeding mechanism of the present invention.

[0028] In the diagram: 1-Base plate, 2-Articulated palletizing robot arm, 3-Mounting plate, 4-U-shaped plate, 5-Support plate, 51-Material support plate, 52-Divider block, 53-Positioning cross plate, 54-Opening, 55-Slide bar, 61-Guide rod, 62-Lifting plate, 63-Electric slide rail, 71-Fixing block, 72-Guide rod, 73-Wedge-shaped lifting block, 74-Spring 1, 81-Connecting plate, 82-Side Plate, 83-rodless cylinder, 84-U-shaped push plate, 91-slide rod, 93-electric push rod, 94-vertical plate, 101-push block, 102-L-shaped positioning plate, 103-vertical rod, 104-spring two, 111-L-shaped placement plate, 112-I-shaped rod, 113-hook block, 114-spring three, 115-positioning post, 116-opening, 117-positioning strip, 118-positioning port. Detailed Implementation

[0029] See Figures 1-4 A palletizing robot for producing ventilation openings includes a base plate 1. An articulated palletizing arm 2 is mounted on the top right side of the base plate 1. A mounting plate 3 is connected to the top of the base plate 1, located to the left of the articulated palletizing arm 2. A U-shaped plate 4 is connected to the top of the mounting plate 3. Support plates 5 for supporting ventilation openings are vertically stacked on the top left side of the base plate 1. The distance between the top of the U-shaped plate 4 and the top of the base plate 1 is sufficient to vertically stack six support plates 5. Each support plate 5 includes a material support plate 51, separator blocks 52, positioning crossbars 53, and sliding strips 55. Separator blocks 52 are connected to the four corners of the bottom of the material support plate 51 to separate adjacent support plates 51, facilitating the insertion of forklift forks into adjacent support plates 51. Between them, a positioning horizontal plate 53 for positioning the ventilation opening is connected to the top left side of the pallet 51. The positioning horizontal plate 53 has two openings 54 for the forks of the forklift to insert. Sliding strips 55 are connected to the front and rear side walls of the pallet 51. Guide grooves for guiding the sliding strips 55 are opened on the front and rear inner walls of the U-shaped plate 4. Through the cooperation of the sliding strips 55 and the guide grooves, the pallet 51 is guided by the forklift to move it, ensuring the smoothness and accuracy of the operation. The bottom of the U-shaped plate 4 is equipped with a lifting mechanism for lifting the support plate 5 upward to the inside of the U-shaped plate 4. The bottom of the U-shaped plate 4 is equipped with a supporting mechanism for supporting the uppermost support plate 5. The top of the U-shaped plate 4 is equipped with a pushing mechanism for pushing the ventilation openings stacked on the uppermost support plate 5.

[0030] See Figure 4 The lifting mechanism includes two guide rods 61 symmetrically connected to the bottom of the U-shaped plate 4. Lifting plates 62 are slidably mounted on both guide rods 61. The two lifting plates 62 correspond to the two sliding strips 55 on the support plate 5. The lifting plates 62 and their corresponding sliding strips 55 are on the same vertical line. Two electric slide rails 63 are symmetrically installed at the bottom of the U-shaped plate 4. The electric slide rails 63 are located to the left of the guide rods 61. The sliders on the two electric slide rails 63 are connected to the two lifting plates 62 to drive the lifting plates 62 to rise and fall.

[0031] See Figures 4-5 The supporting mechanism includes two sets of fixing blocks 71 symmetrically connected to the bottom of the U-shaped plate 4. Each set of fixing blocks 71 consists of two blocks, which are arranged symmetrically from left to right. The left fixing block 71 is located to the left of the electric slide rail 63, and the right fixing block 71 is located to the right of the guide rod 61. Each fixing block 71 is connected to a guide rod 72, and each guide rod 72 is slidably equipped with a wedge-shaped lifting block 73. The wedge-shaped lifting block 73 slides with the U-shaped plate 4. The side of the wedge-shaped lifting blocks 73 that is close to each other on the front and rear sides is designed with an inclined surface. A spring 74 is sleeved on the guide rod 72, and the two ends of the spring 74 are connected to the wedge-shaped lifting block 73 and the guide rod 72, respectively.

[0032] See Figure 3 The pushing mechanism includes two connecting plates 81 symmetrically installed on the top left side of the U-shaped plate 4. The two connecting plates 81 are connected to side plates 82 on the side that are close to each other. The two side plates 82 are installed on the side that are far apart from each other. A U-shaped push plate 84 located outside the side plate 82 is connected between the sliders of the two rodless cylinders 83. A gap is left between the top of the U-shaped plate 4 and the bottom of the side plate 82 for the U-shaped push plate 84 to slide.

[0033] The articulated palletizing robot arm 2 can grasp the ventilation openings and stack them on the support plate 51 of the uppermost support plate 5. The articulated palletizing robot arm 2 is existing technology and will not be described in detail here. After a row of ventilation openings is stacked on the support plate 5 from front to back and from bottom to top, the control rodless cylinder 83 drives the U-shaped pusher plate 84 to move back and forth. The U-shaped pusher plate 84 moves to the left to push the stacked row of ventilation openings to the left, leaving space for the next row of ventilation openings. The above operation is repeated until the support plate 5 is full of ventilation openings. After the support plate 5 is full, the uppermost support plate 5 is moved to the left from the U-shaped plate 4 by a forklift. After the uppermost support plate 5 moves out of the U-shaped plate 4, the electric slide rail 63 drives the lifting plate 62 to move upward. The upward movement of the lifting plate 62 pushes the slide bar 55 on the support plate 5 to move upward, thereby moving the entire support plate 5 upward to lift the next support plate 5 to the inside of the U-shaped plate 4. This achieves automatic replacement of the support plate 5, eliminating the need for manual placement and replacement of each support plate 5, reducing manual intervention, manpower requirements, and labor intensity for workers. It also eliminates the need to pause the articulated arm palletizing robot 2 for support plate 5 replacement, enabling continuous palletizing operations at ventilation openings and significantly improving overall palletizing efficiency. When the slide bar 55 on the support plate 5 moves upward and contacts the inclined surface on the wedge-shaped lifting block 73, the slide bar 55 continues to move upward, pressing the wedge-shaped lifting block 73 away from the fixed block 71, compressing the spring 74. When the slider 55 on the support plate 5 moves upward past the wedge-shaped support block 73, the wedge-shaped support block 73 is pushed towards the fixed block 71 by the resetting action of the spring 74, thereby supporting the slider 55 on the support plate 5 and thus supporting the uppermost support plate 5. This ensures that even after the lifting plate 62 moves downward and resets, the wedge-shaped support block 73 can effectively support the uppermost support plate 5, preventing the last support plate 5 from falling due to loss of support. It also ensures that the support plate 5 can stably support the vent at all times, avoiding accidental falling due to insufficient support, thus improving stability and reliability.

[0034] See Figure 6 The side plate 82 is provided with a sorting mechanism for sorting the ventilation openings. The sorting mechanism includes a sliding rod 91 that is slidably connected to the upper right part of the side plate 82. The end of the sliding rod 91 is connected to a vertical plate 94 located between the two side plates 82. An electric push rod 93 is installed on the side plate 82. The telescopic rod of the electric push rod 93 is connected to the vertical plate 94 to drive the vertical plate 94 to move back and forth. Both the electric push rod 93 and the sliding rod 91 are located on the upper side of the U-shaped push plate 84.

[0035] Before the rodless cylinder 83 drives the U-shaped push plate 84 to push the ventilation opening to the left, the two electric push rods 93 are controlled to drive the two vertical plates 94 to move closer to each other. The two vertical plates 94 moving closer to each other can push the two adjacent rows of ventilation openings to move closer to each other, realizing automatic arrangement of the ventilation openings, so that the two adjacent rows of ventilation openings are closely arranged together, avoiding excessive gaps between the two adjacent rows of ventilation openings, thereby preventing the ventilation openings from collapsing during the subsequent forklift unloading process.

[0036] See Figures 7-8 The material support plate 51 of the support plate 5 is provided with a positioning mechanism for positioning the ventilation opening. The positioning mechanism includes two L-shaped positioning plates 102 that are symmetrically slidably arranged on the material support plate 51. Two sets of vertical rods 103 are symmetrically connected to the bottom of the material support plate 51. The two sets of vertical rods 103 slide through the two L-shaped positioning plates 102 respectively. There are two vertical rods 103 in each set. The two vertical rods 103 in each set are symmetrically arranged from left to right. A second spring 104 is sleeved on the vertical rod 103. The two ends of the second spring 104 are respectively connected to the L-shaped positioning plate 102 and the vertical rod 103. Push blocks 101 for pushing the L-shaped positioning plate 102 down are connected to the bottom left side of the two side plates 82.

[0037] When the pallet 51 moves upward into the inner side of the U-shaped plate 4, the L-shaped positioning plate 102 moves upward via the second spring 104. When the L-shaped positioning plate 102 moves upward to contact the push block 101, it can no longer move upward, so the vertical rod 103 follows the pallet 51 to continue moving upward, compressing the second spring 104. When the entire pallet 5 is moved to the left from inside the U-shaped plate 4 by the forklift, the L-shaped positioning plate 102 is moved to the left and disengaged from the push block 101. Then, under the reset action of the second spring 104, the L-shaped positioning plate 102 is pushed upward to reset. After the L-shaped positioning plate 102 moves upward, it cooperates with the positioning horizontal plate 53 to limit the bottom row of ventilation openings. Since the upper and lower ventilation openings are stacked together, they will be stably locked together, thus limiting all the ventilation openings stacked together on the pallet 51 to prevent the ventilation openings from collapsing during subsequent forklift handling.

[0038] See Figures 9-10The base plate 1 is equipped with a feeding mechanism, which includes an L-shaped placement plate 111 for placing the support plate 5. The height of the L-shaped placement plate 111 is sufficient to vertically stack five support plates 5. I-shaped rods 112 are connected to the front and rear side walls of the L-shaped placement plate 111. Hooks 113 are slidably provided on the I-shaped rods 112. The top right side of the hooks 113 is designed with a slope. A spring 114 is connected between the hooks 113 and the I-shaped rods 112. Two positioning posts 115 are symmetrically connected front and rear between the top left side of the base plate 1 and the bottom left side of the U-shaped plate 4. The positioning posts 115 are located to the left of the left wedge-shaped support block 73. An opening 116 is opened on the positioning posts 115 for the hooks 113 to pass through. Two positioning strips 117 are symmetrically connected front and rear at the bottom of the L-shaped placement plate 111. Two positioning openings 118 are symmetrically opened front and rear at the top of the base plate 1 for the positioning strips 117 to slide.

[0039] After the bottom support plate 5 is lifted upward by the lifting plate 62 to the inside of the U-shaped plate 4, the electric slide rail 63 is first controlled to drive the lifting plate 62 to move downward and reset. Then, the hook block 113 is manually pulled down, and the second spring 104 is compressed, so that the hook part of the hook block 113 disengages from the positioning post 115, thereby releasing the lock on the L-shaped placement plate 111. Next, the L-shaped placement plate 111 is manually pulled out to the left from under the U-shaped plate 4, and the hook block 113 disengages from the positioning post 115 to the left. Under the reset action of the second spring 104, the hook block 113 is pushed upward and reset. Then, five new support plates 5 are stacked on the L-shaped placement plate 111 from bottom to top. Finally, the L-shaped placement plate 111 is manually pushed back to the right under the U-shaped plate 4, so that the support plates 5 can be pushed to the right under the U-shaped plate 4, completing the replenishment process for subsequent use. When hook block 113 moves to the left and contacts positioning post 115, hook block 113 continues to move to the left, causing its top right slope to be pressed by positioning post 115, thus causing hook block 113 to move down into opening 116, and spring 104 to be compressed. When the slope on hook block 113 moves to the right and out of opening 116, under the reset action of spring 104, hook block 113 is pushed up to reset, so that the hook part of hook block 113 hooks onto positioning post 115 again, locking L-shaped positioning plate 102 and preventing accidental contact with L-shaped placement plate 111 from causing L-shaped placement plate 111 to move left or right, affecting the subsequent docking of support plate 5 with U-shaped plate 4. The positioning strip 117 and the positioning port 118 guide and position the L-shaped placement plate 111 to move smoothly left and right, so as to avoid the L-shaped placement plate 111 causing the support plate 5 on it to shift back and forth, which would affect the subsequent docking of the support plate 5 with the U-shaped plate 4.

Claims

1. A palletizing robot for producing ventilation openings, comprising a base plate (1), wherein an articulated palletizing robotic arm (2) is mounted on the top of the base plate (1), characterized in that, A mounting plate (3) is connected to the top of the base plate (1), and a U-shaped plate (4) is connected to the top of the mounting plate (3). A support plate (5) for supporting the ventilation opening is vertically stacked on the top of the base plate (1). A lifting mechanism is provided at the bottom of the U-shaped plate (4) for lifting the support plate (5) upward to the inside of the U-shaped plate (4). A holding mechanism is provided at the bottom of the U-shaped plate (4) for supporting the uppermost support plate (5). The holding mechanism includes two sets of fixing blocks (71) symmetrically connected to the bottom of the U-shaped plate (4). A guide rod (72) is connected to each fixing block (71). A wedge-shaped lifting block (73) is slidably provided on each guide rod (72). A spring (74) is connected between the wedge-shaped lifting block (73) and the guide rod (72). A pushing mechanism is provided at the top of the U-shaped plate (4) for pushing the ventilation opening stacked on the uppermost support plate (5).

2. The palletizing robot for producing ventilation openings according to claim 1, characterized in that, The support plate (5) includes a support plate (51), a partition block (52), a positioning horizontal plate (53), and a slide bar (55). The bottom of the support plate (51) is connected with four partition blocks (52) at intervals to separate the support plates (51) of two adjacent support plates (51) on the upper and lower sides. The top of the support plate (51) is connected with a positioning horizontal plate (53) for positioning the ventilation opening. The positioning horizontal plate (53) has two openings (54) for forklift forks to insert. Slide bars (55) are connected to both sides of the support plate (51). Guide grooves for guiding the slide bars (55) are opened on both sides of the inner wall of the U-shaped plate (4).

3. A palletizing robot for producing ventilation openings according to claim 2, characterized in that, The lifting mechanism includes two guide rods (61) symmetrically connected to the bottom of the U-shaped plate (4). Lifting plates (62) are slidably provided on both guide rods (61). The two lifting plates (62) correspond to two slide bars (55) on the support plate (5). The lifting plates (62) and their corresponding slide bars (55) are on the same vertical line. Two electric slide rails (63) are symmetrically installed at the bottom of the U-shaped plate (4) to drive the two lifting plates (62) to rise and fall respectively.

4. A palletizing robot for producing ventilation openings according to claim 3, characterized in that, The pushing mechanism includes two connecting plates (81) symmetrically installed on the top of the U-shaped plate (4). Each of the two connecting plates (81) is connected to a side plate (82). A rodless cylinder (83) is installed on the side of each side plate (82) that is far apart from each other. A U-shaped push plate (84) located outside the side plate (82) is connected between the two rodless cylinders (83).

5. A palletizing robot for producing ventilation openings according to claim 4, characterized in that, The side plate (82) is provided with a sorting mechanism for sorting the ventilation openings. The sorting mechanism includes a vertical plate (94) that is slidably connected to the side plate (82) via a slide rod (91). The vertical plate (94) is located between the two side plates (82). An electric push rod (93) is installed on the side plate (82) to drive the vertical plate (94) to move horizontally back and forth. Both the electric push rod (93) and the slide rod (91) are located on the upper side of the U-shaped push plate (84).

6. A palletizing robot for producing ventilation openings according to claim 5, characterized in that, The support plate (5) of the support plate (5) is provided with a positioning mechanism for positioning the ventilation opening. The positioning mechanism includes two L-shaped positioning plates (102) symmetrically slidably arranged on the support plate (51). Two sets of vertical rods (103) are symmetrically connected to the bottom of the support plate (51). The two sets of vertical rods (103) slide through the two L-shaped positioning plates (102) respectively. A second spring (104) is sleeved on the vertical rod (103). The two ends of the second spring (104) are connected to the L-shaped positioning plate (102) and the vertical rod (103) respectively. The bottom of the two side plates (82) are connected to push blocks (101) for pushing the L-shaped positioning plate (102) to move down.

7. A palletizing robot for producing ventilation openings according to claim 6, characterized in that, The base plate (1) is provided with a feeding mechanism, which includes an L-shaped placement plate (111) for placing the support plate (5). I-shaped rods (112) are connected to both sides of the L-shaped placement plate (111). Hooks (113) are slidably provided on the I-shaped rods (112). A spring (114) is connected between the hooks (113) and the I-shaped rods (112). Two positioning posts (115) are symmetrically connected between the top of the base plate (1) and the bottom of the U-shaped plate (4). An opening (116) is opened on the positioning posts (115) for the hooks (113) to pass through.

8. A palletizing robot for producing ventilation openings according to claim 7, characterized in that, The feeding mechanism also includes a positioning strip (117) connected to the bottom of the L-shaped placement plate (111), and a positioning opening (118) is provided on the top of the base plate (1) for the positioning strip (117) to slide.

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