Stacking robot for ventilation opening production

Abstract

The invention relates to a palletizing robot, in particular to a palletizing robot for ventilation opening production, which comprises a bottom plate, a knuckle arm type palletizing mechanical arm is mounted at the top of the bottom plate, a mounting plate is connected to the top of the bottom plate, a U-shaped plate is connected to the top of the mounting plate, a bearing plate for bearing a ventilation opening is vertically stacked at the top of the bottom plate, and a lifting mechanism is arranged at the bottom of the U-shaped plate. And a pushing mechanism is arranged at the top of the U-shaped plate and used for pushing the ventilation openings stacked on the supporting plate at the uppermost end. The lifting plate can be driven to move upwards through the electric sliding rail so that the next bearing plate can be lifted upwards into the U-shaped plate, automatic replacement of the bearing plates is achieved, manual placement and replacement of the bearing plates one by one are not needed, manual intervention is reduced, manpower requirements are reduced, the labor intensity of workers is reduced, the joint arm type stacking mechanical arm does not need to be paused for replacement of the bearing plates, and the working efficiency is improved. And the stacking operation of the ventilation openings can be continuously carried out, and the overall stacking efficiency is remarkably improved.

Description

Technical Field

[0001] The present invention relates to a palletizing robot, and particularly to a palletizing robot for the production of ventilation openings. Background Art

[0002] A ventilation opening, also known as an air outlet or an air inlet, is a key component for air circulation in buildings, vehicles, and various facilities. It helps to regulate indoor air quality, control temperature and humidity, and can effectively remove pollutants and odors. Depending on its application environment, the ventilation opening can be designed in various styles and sizes, including but not limited to grille type, louver type, etc.

[0003] In order to improve production efficiency, increase the shipment volume, reduce labor intensity and the demand for labor, an automated palletizing robot is usually equipped on the production line of ventilation openings to complete the palletizing work of ventilation openings. These robots stack the ventilation openings neatly on the support plate, and then use a forklift to remove the support plate filled with ventilation openings. However, the existing automated palletizing robots lack a mechanism for automatically replacing the support plate, which means that workers must closely monitor the operation of the forklift and immediately manually place a new support plate after the forklift removes the support plate. This method is not only cumbersome, time-consuming and laborious, but also requires suspending the operation of the palletizing robot to avoid safety risks or product damage, resulting in the inability to continuously perform the palletizing operation of ventilation openings and affecting the overall palletizing efficiency. Summary of the Invention

[0004] The purpose of the present invention is to provide a palletizing robot for the production of ventilation openings that can automatically replace the support plate in order to solve the above problems.

[0005] The present invention realizes the above purpose through the following technical solutions: A palletizing robot for the production of ventilation openings includes a bottom plate. An articulated palletizing robotic arm is installed on the top of the bottom plate. An installation plate is connected to the top of the bottom plate. A U-shaped plate is connected to the top of the installation plate. Support plates for supporting ventilation openings are vertically stacked on the top of the bottom plate. A lifting mechanism is provided at the bottom of the U-shaped plate for lifting the support plate upward into the inner side of the U-shaped plate. A holding mechanism for holding the uppermost support plate is provided at the bottom of the U-shaped plate. The holding mechanism includes two groups of fixing blocks symmetrically connected to the bottom of the U-shaped plate. A guide rod is connected to each fixing block. A wedge-shaped lifting block is slidably provided on each guide rod. A first spring is connected between the wedge-shaped lifting block and the guide rod. A pushing mechanism is provided at the top of the U-shaped plate for pushing the ventilation openings stacked on the uppermost support plate.

[0006] Preferably, the supporting plate includes a material supporting plate, partition blocks, a positioning cross plate and sliding bars. Four partition blocks are connected to the bottom of the material supporting plate at intervals for separating the material supporting plates of two adjacent upper and lower supporting plates. A positioning cross plate for positioning the ventilation openings is connected to the top of the material supporting plate. Two openings for the forklift forks to insert are provided on the positioning cross plate. Sliding bars are connected to both side walls of the material supporting plate, and guide grooves for guiding the sliding bars are provided on both inner walls of the U-shaped plate.

[0007] Preferably, the lifting mechanism includes two guide rods symmetrically connected to the bottom of the U-shaped plate. Lifting plates are slidably arranged on both guide rods. The two lifting plates correspond to the two sliding bars on the supporting plate respectively, and the lifting plate and the corresponding sliding bar are on the same vertical line. Two electric slide rails for driving the two lifting plates to lift respectively are symmetrically installed at the bottom of the U-shaped plate.

[0008] Preferably, the pushing mechanism includes two connecting plates symmetrically installed on the top of the U-shaped plate. Side plates are connected to both connecting plates. Rodless cylinders are installed on the sides of the two side plates away from each other. A U-shaped pushing plate located outside the side plates is connected between the two rodless cylinders.

[0009] Preferably, a sorting mechanism for sorting the ventilation openings is provided on the side plate. The sorting mechanism includes a vertical plate slidably connected to the side plate through a sliding rod. The vertical plate is located between the two side plates. An electric push rod for driving the vertical plate to move horizontally back and forth is installed on the side plate. The electric push rod and the sliding rod are both located above the U-shaped pushing plate.

[0010] Preferably, a positioning mechanism for positioning the ventilation openings is provided on the material supporting plate of the supporting plate. The positioning mechanism includes two L-shaped positioning plates symmetrically and slidably arranged on the material supporting plate. Two groups of vertical rods are symmetrically connected to the bottom of the material supporting plate. The two groups of vertical rods respectively penetrate through the two L-shaped positioning plates slidably. A second spring is sleeved on the vertical rod, and 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 plates to move downward are connected to the bottoms of the two side plates.

[0011] Preferably, a feeding mechanism is provided on the bottom plate. The feeding mechanism includes an L-shaped placing plate for placing the supporting plate. I-shaped rods are connected to both side walls of the L-shaped placing plate. Hook blocks are slidably arranged on the I-shaped rods. A third spring is connected between the hook block and the I-shaped rod. Two positioning columns are symmetrically connected between the top of the bottom plate and the bottom of the U-shaped plate. Openings for the hook blocks to pass through are provided on the positioning columns.

[0012] Preferably, the feeding mechanism further includes a positioning strip connected to the bottom of the L-shaped placing plate. A positioning opening for the positioning strip to slide is provided on the top of the bottom plate.

[0013] The present invention has the following advantages compared with the prior art:

[0014] 1. The rodless cylinder can drive the U-shaped push plate to reciprocate horizontally, so as to push a row of stacked ventilation openings away from the articulated robotic arm for palletizing, leaving space for stacking the next row of ventilation openings. The electric slide rail can drive the lifting plate to move upward, lifting the next supporting plate into the U-shaped plate, realizing automatic replacement of the supporting plate. There is no need to manually place and replace the supporting plate one by one, reducing manual intervention, manpower requirements, and the labor intensity of workers. There is no need to pause the articulated robotic arm for palletizing to replace the supporting plate, and the palletizing operation of the ventilation openings can be carried out continuously, significantly improving the overall palletizing efficiency.

[0015] 2. Through the cooperation of the first spring and the wedge-shaped lifting block, it is ensured that even after the lifting plate moves downward and resets, the uppermost supporting plate can be effectively supported, preventing the last supporting plate from falling due to the loss of support. Moreover, it can ensure that at any time, the supporting plate can stably hold the ventilation opening, avoiding accidental dropping problems caused by insufficient support, and improving stability and reliability.

[0016] 3. By driving two vertical plates to approach each other through the electric push rod, the adjacent two rows of ventilation openings can be pushed closer to each other, realizing automatic arrangement of the ventilation openings, making the adjacent two rows of ventilation openings closely arranged together, avoiding excessive gaps between the adjacent two rows of ventilation openings, and thus preventing the ventilation openings from collapsing during subsequent forklift unloading.

[0017] 4. Through the cooperation of the second spring, the L-shaped positioning plate and the positioning cross plate, the limit of the ventilation opening can be realized to avoid the collapse of the ventilation opening during subsequent forklift handling. BRIEF DESCRIPTION OF THE DRAWINGS

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

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

[0020] Figure 3 is a schematic three-dimensional structure diagram of the pushing mechanism of the present invention.

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

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

[0023] Figure 6 is a schematic three-dimensional structure diagram of the arranging mechanism of the present invention.

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

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

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

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

[0028] In the figure: 1 - bottom plate, 2 - articulated arm palletizing robot arm, 3 - mounting plate, 4 - U-shaped plate, 5 - supporting plate, 51 - material supporting plate, 52 - partition block, 53 - positioning cross plate, 54 - through hole, 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 - first spring, 81 - connecting plate, 82 - side plate, 83 - rodless cylinder, 84 - U-shaped pushing plate, 91 - slide rod, 93 - electric push rod, 94 - vertical plate, 101 - pushing block, 102 - L-shaped positioning plate, 103 - vertical rod, 104 - second spring, 111 - L-shaped placing plate, 112 - I-shaped rod, 113 - hook block, 114 - third spring, 115 - positioning column, 116 - opening, 117 - positioning strip, 118 - positioning opening. Detailed implementation manners

[0029] Refer to Figures 1 - 4 , a palletizing robot for the production of ventilation openings, comprising a bottom plate 1. On the right side of the top of the bottom plate 1, an articulated arm palletizing robot arm 2 is installed. The top of the bottom plate 1 is connected with a mounting plate 3, and the mounting plate 3 is located on the left side of the articulated arm palletizing robot arm 2. The top of the mounting plate 3 is connected with a U-shaped plate 4. On the left side of the top of the bottom plate 1, supporting plates 5 for supporting ventilation openings are vertically stacked. The distance between the top of the U-shaped plate 4 and the top of the bottom plate 1 can vertically stack six supporting plates 5. The supporting plate 5 includes a material supporting plate 51, a partition block 52, a positioning cross plate 53 and a slide bar 55. Partition blocks 52 are connected to the four corners at the bottom of the material supporting plate 51 for separating the material supporting plates 51 of two adjacent upper and lower supporting plates, so as to facilitate the insertion of the forklift forks between two adjacent upper and lower supporting plates 5. On the left side of the top of the material supporting plate 51, a positioning cross plate 53 for positioning the ventilation opening is connected. Two front and rear through holes 54 for inserting the forklift forks are opened on the positioning cross plate 53. Slide bars 55 are connected to the front and rear side walls of the material supporting plate 51. Guide grooves for guiding the slide bars 55 are opened on the front and rear inner walls of the U-shaped plate 4. Through the cooperation of the slide bars 55 and the guide grooves, the removal of the material supporting plate 51 by the forklift is guided to ensure the smoothness and accuracy of the operation process. A lifting mechanism is provided at the bottom of the U-shaped plate 4 for lifting the supporting plate 5 upward into the inner side of the U-shaped plate 4. A holding mechanism for holding the uppermost supporting plate 5 is provided at the bottom of the U-shaped plate 4. A pushing mechanism is provided at the top of the U-shaped plate 4 for pushing the ventilation openings stacked on the uppermost supporting plate 5.

[0030] Refer to Figure 4 , the lifting mechanism includes two guide rods 61 symmetrically connected to the bottom of the U-shaped plate 4 in the front and back. Lifting plates 62 are slidably arranged on both guide rods 61. The front and back lifting plates 62 respectively correspond to the front and back sliding strips 55 on the supporting plate 5. The lifting plate 62 and the corresponding sliding strip 55 are on the same vertical line. Two electric slide rails 63 are symmetrically installed on the bottom of the U-shaped plate 4 in the front and back. 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 respectively connected to the two lifting plates 62 to drive the lifting plates 62 to lift and lower.

[0031] Refer to Figures 4 - 5 , the supporting mechanism includes two groups of fixed blocks 71 symmetrically connected to the bottom of the U-shaped plate 4 in the front and back. The number of each group of fixed blocks 71 is two. The two fixed blocks 71 in each group are symmetrically arranged left and right. The left fixed block 71 is located to the left of the electric slide rail 63, and the right fixed block 71 is located to the right of the guide rod 61. A guide rod 72 is connected to each fixed block 71. A wedge-shaped lifting block 73 is slidably arranged on each guide rod 72. The wedge-shaped lifting block 73 is slidably matched with the U-shaped plate 4. The mutually approaching sides of the front and back wedge-shaped lifting blocks 73 are designed as inclined surfaces. A first spring 74 is sleeved on the guide rod 72. The two ends of the first spring 74 are respectively connected to the wedge-shaped lifting block 73 and the guide rod 72.

[0032] Refer to Figure 3 , the pushing mechanism includes two connecting plates 81 symmetrically installed on the left side of the top of the U-shaped plate 4 in the front and back. Side plates 82 are connected to the mutually approaching sides of the two connecting plates 81. Rodless cylinders 83 are installed on the mutually remote sides of the two side plates 82. A U-shaped push plate 84 located outside the side plates 82 is connected between the sliders of the two rodless cylinders 83. A sliding gap for the U-shaped push plate 84 is left between the top of the U-shaped plate 4 and the bottom of the side plate 82.

[0033] The vents can be grabbed by the articulated arm palletizing robot 2 and stacked on the support plate 51 of the uppermost support plate 5. The articulated arm palletizing robot 2 is a prior art and will not be described in detail here. When a row of vents is stacked on the support plate 5 from front to back and from bottom to top, the rodless cylinder 83 is controlled to drive the U-shaped push plate 84 to move back and forth left and right. The U-shaped push plate 84 moves to the left to push the stacked row of vents to the left, leaving space for the next row of vents. Repeat the above operation until the support plate 5 is full of vents. When 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 top support plate 5 is moved out of the U-shaped plate 4, the electric slide rail 63 is controlled to drive the lifting plate 62 to move upward, and the lifting plate 62 moves upward to push the slide bar 55 on the support plate 5 to move upward, so that the entire support plate 5 moves upward, so as to lift the next support plate 5 upward to the inside of the U-shaped plate 4, and realize the automatic replacement of the support plate 5, without the need to manually place and replace the support plates 5 one by one, reducing manual intervention, reducing manpower requirements, and reducing the labor intensity of workers. There is no need to suspend the articulated arm palletizing robot 2 to replace the support plate 5, and the palletizing operation of the vent can be continuously performed, which significantly improves the overall palletizing efficiency. When the slide bar 55 on the support plate 5 moves up to contact the inclined surface on the wedge-shaped lifting block 73, the slide bar 55 on the support plate 5 continues to move upward to squeeze the wedge-shaped lifting block 73 to move away from the fixed block 71, compressing the spring 1 74. When the slide bar 55 on the supporting plate 5 moves upward and passes over the wedge-shaped lifting block 73, the wedge-shaped lifting block 73 is pushed to move and reset in the direction close to the fixed block 71 under the reset action of the spring 1 74, thereby supporting the slide bar 55 on the supporting plate 5, so as to support the uppermost supporting plate 5. This ensures that even after the lifting plate 62 moves downward and resets, the wedge-shaped lifting block 73 can effectively support the uppermost supporting plate 5, preventing the last supporting plate 5 from falling due to loss of support, and ensuring that the supporting plate 5 can stably support the vent at any time, avoiding the problem of accidental falling due to insufficient support, thereby improving stability and reliability.

[0034] See also Figure 6 A tidying mechanism for tidying up the vents is provided on the side panel 82, and the tidying mechanism includes a slide rod 91 slidably connected to the upper right portion of the side panel 82, and the end of the slide rod 91 is connected to a vertical plate 94 located between the two side panels 82. An electric push rod 93 is installed on the side panel 82, and 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. The electric push rod 93 and the slide rod 91 are both located on the upper side of the U-shaped push plate 84.

[0035] Before controlling the rodless cylinder 83 to drive the U-shaped push plate 84 to push the ventilation openings to the left, first control the two electric push rods 93 to drive the two vertical plates 94 to approach each other. The two vertical plates 94 approaching each other can push the ventilation openings in two adjacent rows in the front and back to approach each other, realizing the automatic arrangement of the ventilation openings, making the ventilation openings in two adjacent rows in the front and back closely arranged together, avoiding too large a gap between the ventilation openings in two adjacent rows in the front and back, and thus preventing the ventilation openings from collapsing during the subsequent forklift unloading process.

[0036] Refer to Figures 7 - 8 , a positioning mechanism for positioning the ventilation openings is provided on the material supporting plate 51 of the supporting plate 5. The positioning mechanism includes two L-shaped positioning plates 102 symmetrically arranged in the front and back and slidably provided on the material supporting plate 51. Two groups of vertical rods 103 are symmetrically connected to the bottom of the material supporting plate 51 in the front and back. The two groups of vertical rods 103 respectively penetrate through the two L-shaped positioning plates 102 slidably. The number of each group of vertical rods 103 is two, and the two vertical rods 103 in each group are symmetrically arranged on the left and 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. A push block 101 for pushing the L-shaped positioning plate 102 to move downward is connected to the left side of the bottom of each of the two side plates 82.

[0037] When the material supporting plate 51 moves upward into the inner side of the U-shaped plate 4, the second spring 104 drives the L-shaped positioning plate 102 to move upward. When the L-shaped positioning plate 102 moves upward to contact the push block 101, the L-shaped positioning plate 102 cannot continue to move upward. Thus, the vertical rod 103 follows the material supporting plate 51 to continue moving upward and compresses the second spring 104. When the entire supporting plate 5 is moved out of the U-shaped plate 4 to the left by the forklift, it drives the L-shaped positioning plate 102 to move leftward and separate from the push block 101. Subsequently, under the reset action of the second spring 104, the L-shaped positioning plate 102 is pushed to move upward and reset. After the L-shaped positioning plate 102 moves upward, it cooperates with the positioning cross plate 53 to realize the limit of the lowermost row of ventilation openings. Since the upper and lower ventilation openings are stacked together and will be stably clamped together, the limit of all the ventilation openings stacked on the material supporting plate 51 can be realized, so as to avoid the ventilation openings from collapsing during the subsequent forklift handling process.

[0038] Refer to Figures 9 - 10, a feeding mechanism is provided on the bottom plate 1. The feeding mechanism includes an L-shaped placement plate 111 for placing the supporting plate 5. The height of the L-shaped placement plate 111 can vertically stack five supporting plates 5. I-shaped rods 112 are connected to both the front and rear side walls of the L-shaped placement plate 111. A hook block 113 is slidably arranged on the I-shaped rod 112. The right side of the top of the hook block 113 is designed as an inclined surface. A third spring 114 is connected between the hook block 113 and the I-shaped rod 112. Two positioning columns 115 are symmetrically connected in the front and rear between the left side of the top of the bottom plate 1 and the left side of the bottom of the U-shaped plate 4. The positioning columns 115 are located to the left of the left wedge-shaped lifting block 73. An opening 116 for the hook block 113 to pass through is formed on the positioning column 115. Two positioning strips 117 are symmetrically connected to the front and rear of the bottom of the L-shaped placement plate 111. Two positioning openings 118 for the positioning strips 117 to slide are symmetrically formed on the top of the bottom plate 1 in the front and rear.

[0039] When the lowermost supporting plate 5 is lifted upward by the lifting plate 62 into the inner side of the U-shaped plate 4, first control the electric slide rail 63 to drive the lifting plate 62 to move downward and reset. Then manually pull down the hook block 113, and the second spring 104 is compressed accordingly, so that the hooked part of the hook block 113 is disengaged from the positioning column 115, thereby releasing the locking of the L-shaped placement plate 111. Then manually pull out the L-shaped placement plate 111 to the left from under the U-shaped plate 4, and the hook block 113 is disengaged from the positioning column 115 to the left accordingly. Under the reset action of the second spring 104, the hook block 113 is pushed upward to reset. Then stack five new supporting plates 5 on the L-shaped placement plate 111 from bottom to top. Finally, manually push the L-shaped placement plate 111 to the right back under the U-shaped plate 4, so that the supporting plate 5 can be pushed to the right under the U-shaped plate 4 to complete the replenishment process for subsequent use. When the hook block 113 moves to the left and contacts the positioning column 115, the hook block 113 continues to move to the left so that the inclined surface on the right side of its top is squeezed by the positioning column 115, so that the hook block 113 moves downward into the opening 116, and the second spring 104 is compressed. When the inclined surface on the hook block 113 moves out of the opening 116 to the right, under the reset action of the second spring 104, the hook block 113 is pushed upward to reset, so that the hooked part of the hook block 113 is hooked on the positioning column 115 again to lock the L-shaped positioning plate 102, avoiding the left and right offset of the L-shaped placement plate 111 driven by the supporting plate 5 thereon when the L-shaped placement plate 111 is accidentally touched, which affects the subsequent docking of the supporting plate 5 with the U-shaped plate 4. Through the guiding and positioning of the positioning strip 117 and the positioning opening 118, it can ensure the stable left and right movement of the L-shaped placement plate 111, so as to avoid the front and rear offset of the supporting plate 5 on the L-shaped placement plate 111, which affects the subsequent docking of the supporting plate 5 with the U-shaped plate 4.

Claims

1. A palletizing robot for the production of ventilation openings, comprising a bottom plate (1), and a articulated palletizing robotic arm (2) is installed on the top of the bottom plate (1), characterized in that, A mounting plate (3) is connected to the top of the bottom plate (1), a U-shaped plate (4) is connected to the top of the mounting plate (3), a supporting plate (5) for supporting a ventilation opening is vertically stacked on the top of the bottom plate (1), a lifting mechanism is provided at the bottom of the U-shaped plate (4) for lifting the supporting plate (5) upward into the inner side of the U-shaped plate (4), and a holding mechanism for holding the uppermost supporting plate (5) is provided at the bottom of the U-shaped plate (4). The holding mechanism includes two groups of fixing blocks (71) symmetrically connected to the bottom of the U-shaped plate (4). A guiding rod (72) is connected to each fixing block (71). A wedge-shaped lifting block (73) is slidably provided on each guiding rod (72). A first spring (74) is connected between the wedge-shaped lifting block (73) and the guiding rod (72). A pushing mechanism is provided at the top of the U-shaped plate (4) for pushing the ventilation openings stacked on the uppermost supporting plate (5).

2. The palletizing robot for the production of ventilation openings according to claim 1, characterized in that, The supporting plate (5) includes a material supporting plate (51), a partition block (52), a positioning cross plate (53) and a sliding strip (55). Four partition blocks (52) are spaced and connected to the bottom of the material supporting plate (51) for separating the material supporting plates (51) of two adjacent upper and lower supporting plates (5). A positioning cross plate (53) for positioning the ventilation opening is connected to the top of the material supporting plate (51). Two through openings (54) for inserting the forks of a forklift are formed in the positioning cross plate (53). Sliding strips (55) are connected to both side walls of the material supporting plate (51). Guide grooves for guiding the sliding strips (55) are formed in both inner walls of the U-shaped plate (4).

3. The palletizing robot for the production of 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 the two guide rods (61). The two lifting plates (62) correspond to the two sliding strips (55) on the supporting plate (5) respectively. The lifting plate (62) and the corresponding sliding strip (55) are on the same vertical line. Two electric slide rails (63) for respectively driving the two lifting plates (62) to lift and lower are symmetrically installed at the bottom of the U-shaped plate (4).

4. A palletizing robot for the production of ventilation openings according to claim 3, characterized in that, The pushing mechanism includes two connecting plates (81) symmetrically installed at the top of the U-shaped plate (4). Side plates (82) are connected to the two connecting plates (81). Rodless cylinders (83) are installed on the sides of the two side plates (82) away from each other. A U-shaped pushing plate (84) located outside the side plates (82) is connected between the two rodless cylinders (83).

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

6. The palletizing robot for the production of ventilation openings according to claim 5, characterized in that, On the material supporting plate (51) of the supporting plate (5), there is a positioning mechanism for positioning the ventilation opening. The positioning mechanism includes two L-shaped positioning plates (102) symmetrically and slidably arranged on the material supporting plate (51). At the bottom of the material supporting plate (51), two groups of vertical rods (103) are symmetrically connected. The two groups of vertical rods (103) respectively penetrate through the two L-shaped positioning plates (102) slidably. 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). At the bottom of each of the two side plates (82), there is a push block (101) for pushing the L-shaped positioning plate (102) to move downward.

7. A palletizing robot for the production of ventilation openings according to claim 6, characterized in that, On the bottom plate (1), there is a feeding mechanism. The feeding mechanism includes an L-shaped placement plate (111) for placing the supporting plate (5). On both side walls of the L-shaped placement plate (111), there are I-shaped rods (112) connected. On the I-shaped rods (112), there are hook blocks (113) slidably arranged. A third spring (114) is connected between the hook block (113) and the I-shaped rod (112). Between the top of the bottom plate (1) and the bottom of the U-shaped plate (4), two positioning columns (115) are symmetrically connected. An opening (116) for the hook block (113) to pass through is formed on the positioning column (115).

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

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