Plastic pallet conveyor

Abstract

The application discloses a plastic tray conveying device and relates to the field of logistics component transportation, which comprises a machine box, a fixed mold, a movable mold, a conveying assembly comprising a hydraulic moving assembly, the hydraulic moving assembly comprising a hydraulic cylinder and a multidirectional moving component connected to the fixed end of the hydraulic cylinder, the movable end of the hydraulic cylinder being fixedly connected with a connecting table, the connecting table being rotatably connected with a rotating shaft, one end of the rotating shaft being connected with a driving motor, the other end of the rotating shaft being connected with a transmission shaft, the other end of the transmission shaft being connected with a grabbing component, the plastic tray being conveyed to the outside of the machine box for stacking after being grabbed and demolded, and the conveying assembly being further connected with a surface grinding assembly for trimming excess material during the conveying of the plastic tray. The device has the advantages that the waste material generated by pouring on the surface of the plastic tray can be removed during the grabbing and conveying of the plastic tray, the end surface of the plastic tray can be ground, the product conveying efficiency is improved, and the waste of manual resources is reduced.

Description

Technical Field

[0001] This invention relates to the field of logistics component transportation technology, and in particular to a plastic pallet conveying device. Background Technology

[0002] Plastic pallets are logistics units used in conjunction with logistics equipment such as forklifts and racks. They can be used to store, load, and move goods and are one of the essential logistics equipment in modern logistics warehousing.

[0003] Plastic pallets are processed by injection molding. After processing, they are generally picked up by mechanical grippers and transported to open areas for stacking, which facilitates the overall handling process. However, in actual use, due to the presence of sprues on the product after injection molding, stacking cannot be carried out directly after picking. Instead, the sprues need to be cut off. This operation is generally carried out manually, which wastes manpower and reduces stacking speed, thereby increasing the stacking and transportation time. This greatly reduces the efficiency of product transportation. Based on the above reasons, this invention designs a plastic pallet conveying device. Summary of the Invention

[0004] The purpose of this invention is to solve the problems in the prior art, and to propose a plastic pallet conveying device.

[0005] A plastic pallet conveying device includes a conveying assembly, which includes a hydraulic moving assembly. The hydraulic moving assembly includes a hydraulic cylinder and a multi-directional moving component connected to the fixed end of the hydraulic cylinder. A connecting platform is fixedly connected to the movable end of the hydraulic cylinder. A rotating shaft is rotatably connected to the connecting platform. One end of the rotating shaft is connected to a drive motor, and a transmission shaft is connected to the side of the rotating shaft. The other end of the transmission shaft is connected to a gripping component for gripping, demolding, and conveying the plastic pallet outside the machine for stacking. The conveying assembly is also connected to a grinding assembly for trimming excess material during the conveying of the plastic pallet.

[0006] In the aforementioned plastic pallet conveying device, the gripping component includes four tracks forming a "well" shaped structure. Two vertically arranged tracks are fixedly connected to a fixed platform by multiple bolts. The fixed platform is fixedly connected to the drive shaft. Two horizontally arranged tracks are located on the upper and lower sides of the two vertical tracks and are welded together. A connecting block is fixedly connected to the left and right sides of each horizontal track. An "L"-shaped gripping plate is slidably connected in the connecting block. The gripping plate is connected to a hydraulic retraction assembly.

[0007] In the aforementioned plastic pallet conveying device, the grinding assembly includes a connecting plate connected to a drive shaft. The other end of the connecting plate is rotatably connected to a connecting shaft. The connecting shaft is rotatably connected to the connecting plate via an adjusting motor, and its other end is connected to a helical gear one. The helical gear one meshes with a helical gear two. The helical gear two is connected to a moving assembly, and the moving assembly is connected to two grinding wheels.

[0008] In the aforementioned plastic pallet conveying device, the moving component includes a double-ended screw. The middle section of the double-ended screw is coaxially and fixedly connected to a helical gear. The two threaded sections of the double-ended screw with opposite directions of rotation are respectively connected to a slide table. The two slide tables are slidably connected to two vertical tracks. The two grinding wheels are rotatably connected in the slide tables. The two grinding wheels are connected to a rotating component that causes the two grinding wheels to rotate.

[0009] In the aforementioned plastic pallet conveying device, the rotating assembly includes two linkage shafts, which are coaxially and fixedly connected to two grinding wheels. Each linkage shaft is connected to a gear, and each gear is rotatably connected to a slide. The two gears mesh with a rack, which passes through the inner walls of both slides and is fixedly connected to a track at both ends via a support plate.

[0010] In the aforementioned plastic pallet conveying device, each slide is slidably connected to a storage platform on its side, and two grinding wheels are rotatably connected to the storage platform. The slide and the storage platform are connected by multiple guide rods, and the multiple guide rods are connected to an elastic component through a first guide groove opened on the slide.

[0011] In the aforementioned plastic pallet conveying device, the storage platform is a shell structure with an opening on one side. The bottom of the storage platform is set as an inclined structure, and the height of the opening part is higher than the inner part. The grinding wheel is rotatably set on the side close to the fixed mold. The two storage platforms are connected to a discharge pipe, and the discharge pipe communicates with the interior of the two storage platforms on both sides. The grinding wheel is provided with a notch.

[0012] In the aforementioned plastic pallet conveying device, the number of notches is set to be no less than three, and multiple sets of notches are arranged in a ring on the outer side of the grinding wheel. Each notch has an arc-shaped cutter connected to its sidewall, and the arc of the cutter is 1 / 3 of the arc of the notch.

[0013] In the above-mentioned plastic pallet conveying device, a guide plate is fixedly connected to the side of the cutter near the notch, and a movable block with a cross-sectional area larger than the guide plate is fixedly connected to the other end of the guide plate. A second guide groove is opened on the side wall of the notch and is slidably connected to the movable block. An electromagnet is connected to the bottom and the opening of the second guide groove, respectively. The movable block is made of permanent magnetic material, and both electromagnets are electrically connected to the electronic control component.

[0014] Compared with existing technologies, the advantages of this invention are:

[0015] 1. This invention allows for the grabbing and conveying of plastic pallets after demolding, thereby transporting them to a collection point for stacking. This facilitates the sorting of products after processing and achieves the effect of rapid transportation.

[0016] 2: When multiple gripping plates transport the plastic pallet upwards, the rotation of the helical gear one driven by the motor is adjusted, and the two slides are brought closer together through the threaded connection of the double-ended screw. The grinding plate is rolled in the transmission of the gear and rack. This can grind the end face of the plastic pallet and remove the protruding residual material, avoiding subsequent processing and affecting the transportation efficiency.

[0017] 3: The grinding wheel in this invention is connected to the slide table via a storage table, wherein the storage table and the slide table are connected under pressure and sliding connection. This can increase the rolling pressure between the grinding wheel and the plastic tray through the pressure of the elastic component, thereby improving the grinding and removal of residual material. Furthermore, by setting a notch and a parallelogram-shaped storage table, the waste material after grinding can be collected in the storage table and discharged through the discharge pipe, avoiding the waste material after grinding from affecting the subsequent injection molding process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a plastic pallet conveying device proposed in this invention.

[0019] Figure 2 This is an internal view of the chassis in this invention.

[0020] Figure 3 This is a schematic diagram of the conveying component in this invention.

[0021] Figure 4 This is a schematic diagram of the gripping component in this invention.

[0022] Figure 5 This is a schematic diagram of the surface grinding assembly in this invention.

[0023] Figure 6 This is a schematic diagram of the moving component and the rotating component in this invention.

[0024] Figure 7 for Figure 6 An enlarged schematic diagram of part A in the middle.

[0025] Figure 8 This is a cross-sectional view of the slide and storage platform in this invention.

[0026] Figure 9 This is an enlarged schematic diagram of part B in this invention.

[0027] In the diagram: 1. Chassis; 2. Fixed mold; 3. Moving mold; 4. Movable shaft; 5. Conveying assembly; 51. Hydraulic moving assembly; 52. Hydraulic cylinder; 53. Connecting platform; 54. Rotating shaft; 55. Drive motor; 56. Transmission shaft; 57. Gripping component; 571. Track; 572. Fixed platform; 573. Connecting block; 574. Gripping plate; 6. Grinding assembly; 61. Connecting plate; 62. Connecting shaft; 63. Adjusting motor; 64. Helical gear one; 65. Helical gear two; 7. Moving assembly; 71. Double-ended screw; 72. Slide table; 8. Grinding wheel; 9. Rotating assembly; 91. Linkage shaft; 92. Gear; 93. Rack; 94. Support plate; 95. Storage platform; 96. Guide rod; 97. Elastic component; 98. Discharge pipe; 99. First guide groove; 10. Notch; 101. Cutter; 102. Guide plate; 103. Movable block; 104. Second guide groove; 105. Electromagnet. Detailed Implementation

[0028] Reference Figure 1-9 A plastic pallet conveying device includes a conveying assembly 5, including a hydraulic moving component 51. The hydraulic moving component 51 includes a hydraulic cylinder 52 and a multi-directional moving part connected to the fixed end of the hydraulic cylinder 52. The hydraulic moving component 51 moves the plastic pallet after the injection molding process by connecting to the housing 1, the fixed mold 2, and the moving mold 3. The movable end of the hydraulic cylinder 52 is fixedly connected to a connecting platform 53. A rotating shaft 54 ​​is rotatably connected in the connecting platform 53. One end of the rotating shaft 54 ​​is connected to a drive motor 55. The other end of the rotating shaft 54 ​​is connected to a transmission shaft 56. The other end of the transmission shaft 56 is connected to a gripping component 57, which grips and demolds the plastic pallet and conveys it to the outside of the housing 1 for stacking. The conveying assembly 5 is also connected to a grinding component 6 for trimming excess material during the conveying of the plastic pallet.

[0029] The gripping component 57 includes four tracks 571 forming a "well" shaped structure. Therefore, the four tracks 571 are arranged in two groups. The vertically arranged track 571 is fixedly connected to a fixed platform 572 by multiple bolts. The fixed platform 572 is fixedly connected to the drive shaft 56. The two horizontally arranged tracks 571 are located on the upper and lower sides of the two vertical tracks 571 and are welded to each other. A connecting block 573 is fixedly connected to the left and right sides of each horizontal track 571. An "L"-shaped gripping plate 574 is slidably connected in the connecting block 573. The gripping plate 574 is connected to a hydraulic retraction component. By retracting the upper and lower sets of gripping plates 574 and bringing them closer together, the plastic pallet after demolding is gripped and fixed. Then, the plastic pallet is transferred under the operation of the hydraulic moving component 51.

[0030] The grinding assembly 6 includes a connecting plate 61 connected to a drive shaft 56. A connecting shaft 62 is rotatably connected to the other end of the connecting plate 61. The connecting shaft 62 is rotatably connected to the connecting plate 61 via an adjusting motor 63, allowing the connecting shaft 62 to rotate. The connecting shaft 62 is connected to a helical gear 64, which meshes with a helical gear 65. The helical gear 65 is connected to a moving assembly 7, which connects to two grinding wheels 8. The moving assembly 7 includes a double-ended screw 71. The middle section of the double-ended screw 71 is coaxially and fixedly connected to the helical gear 65. The two oppositely helical sections of the double-ended screw 71 are each connected to a slide 72. When the connecting shaft 62 rotates, the two slides 72 move closer together under the action of the double-ended screw 71. The two slides 72 are slidably connected to two vertical tracks 571. The two grinding wheels 8 are... The grinding wheels 8 are rotatably connected in the slide table 72. By bringing the grinding wheels 8 closer together, the surface of the plastic tray is ground and the excess material is removed. The two grinding wheels 8 are connected to a rotating assembly 9, which makes the two grinding wheels 8 rotate. The rotating assembly 9 includes two linkage shafts 91, which are coaxially fixedly connected to the two grinding wheels 8. Each linkage shaft 91 is connected to a gear 92. Each gear 92 is rotatably connected in the slide table 72. The two gears 92 mesh with a rack 93. The rack 93 passes through the inner wall of both slide tables 72 and its two ends are fixedly connected to a rail 571 through a support plate 94. The support plate 94 is rotatably connected to a double-ended screw 71 through a bearing. In this way, the two slide tables 72 bring the two grinding wheels 8 closer together, so as to achieve the effect of rolling on the plastic tray and improve the grinding effect.

[0031] Each slide table 72 has a slidably connected storage table 95 on its side. Two grinding wheels 8 are rotatably connected to the storage table 95. Multiple guide rods 96 connect the slide table 72 and the storage table 95. The multiple guide rods 96 are connected to elastic components 97 through a first guide groove 99 opened on the slide table 72. In use, the two grinding wheels 8 extend beyond the gripping plate 574. When gripping the plastic pallet, the grinding wheels 8 will be squeezed, causing the multiple guide rods 96 to extend into the first guide groove 99 and compress the elastic components 97. This creates pressure between the grinding wheels 8 and the end face of the plastic pallet, further improving the grinding effect under pressure. The storage table 95 is designed as a parallelogram structure. The grinding wheels 8 rotate on the side closer to the fixed mold 2 and are higher than the other side. Thus, the grinding wheels 8 are located on the upper part of the storage table 95. Both storage tables 95 are connected to a discharge pipe 98. The discharge pipe 98 is selected to generate tension. The structure can be shortened corrugated or a flexible rubber tube. The discharge pipe 98 is connected to the interior of the storage platforms 95 on both sides. The grinding wheel 8 is provided with notches 10, and the number of notches 10 is not less than three. Multiple sets of notches 10 are arranged in a ring on the outer side of the grinding wheel 8. Each notch 10 is fixedly connected to an arc-shaped cutter 101 on its side wall. The arc of the cutter 101 is 1 / 2 of the arc of the notch 10. The advantage of this is that the end face of the plastic tray can be ground by the grinding wheel 8, and the burrs can be removed by the cutter 101. The notches 10 can be used to transfer the cut burrs, which can be moved along the parallelogram storage platform 95 to the lower side and discharged through the discharge pipe 98. The storage platform 95 on the lower side can be provided with another discharge pipe 98 to collect and discharge the removed burrs, thus avoiding the problem of residual material falling outside and needing to be cleaned separately.

[0032] Furthermore, a guide plate 102 is fixedly connected to the side of the cutter 101 near the notch 10. A movable block 103 with a cross-sectional area larger than the guide plate 102 is fixedly connected to the other end of the guide plate 102. A second guide groove 104 is provided on the side wall of the notch 10, which slides and engages with the movable block 103. An electromagnet 105 is fixedly connected to the bottom of each side of the second guide groove 104. The movable block 103 is made of permanent magnetic material. Both electromagnets 105 are electrically connected to external electronic control components. This allows the position of the movable block 103 on both sides to be changed by the output of magnetic forces in different directions from the two electromagnets 105. The electromagnet 105 located at the bottom of the second guide groove 104 can be connected to a pressure sensor and is configured to react when subjected to a relatively strong magnetic force. Under high pressure, the electromagnet 105 outputs a reverse magnetic force. The advantage of this is that when only the grinding wheel 8 in the above-mentioned equipment is used to remove burrs, after cutting through the notch 10 and the cutter 101, the grinding wheel 8 located on the upper side will rotate clockwise. In this way, the cut burrs and sprues can easily fall directly to the outside. However, in this solution, the fixed position of the movable block 103 is changed by the two electromagnets 105. When removing the sprue, the movable block 103 closes the notch 10 under the magnetic thrust of the electromagnet 105 and removes the sprue better under the thrust. After the notch 10 in the grinding wheel 8 rotates to the receiving platform 95, the two electromagnets 105 open the notch 10 together to release the impurities in the notch 10, which facilitates the collection of tailings.

[0033] In use, the device is moved into the housing 1 by the hydraulic moving component 51. The device is kept in a vertical position and moved to the fixed mold 2 by the drive motor 55. The four gripping plates 574 on both sides move closer to each other under the action of the hydraulic shrinking component to grip the plastic pallet. At the same time, the grinding wheel 8 moves against the plastic pallet during the moving track 571, thereby compressing the elastic component 97 so that the grinding wheel 8 and the end face of the plastic pallet have a pressure action. Then the hydraulic moving component 51 is activated to raise the device.

[0034] During the upward movement, the motor 63 is adjusted to rotate, causing the connecting shaft 62 to drive the helical gear 64 to rotate. Under the transmission of the helical gear 65 and the double-headed screw 71, the two slides 72 move closer to each other. This causes the two grinding wheels 8 connected to the slides 72 to move closer to each other. Under the transmission of the rack 93 and the gear 92, the grinding wheels 8 rotate, resulting in the two grinding wheels 8 rolling closer to each other, thus grinding the end face of the plastic pallet and removing burrs. The notch 10 and cutter 101 in the grinding wheel 8 can improve the grinding effect and reduce the need for subsequent processing of the plastic pallet. In this way, the hydraulic moving component 51 can drive the plastic pallet to be released one by one and stacked outside the machine box 1, which facilitates the subsequent overall transportation work.

[0035] As is known from common technical knowledge, this invention can be implemented through other embodiments that do not depart from its spirit or essential characteristics. Therefore, the disclosed embodiments described above are merely illustrative and not exhaustive. All modifications within the scope of this invention or its equivalents are included in this invention.

Claims

1. A plastic pallet conveying device, comprising a conveying assembly (5), characterized in that: The conveying assembly (5) includes a hydraulic moving assembly (51), which includes a hydraulic cylinder (52) and a multi-directional moving component connected to the fixed end of the hydraulic cylinder (52). The movable end of the hydraulic cylinder (52) is fixedly connected to a connecting platform (53), and a rotating shaft (54) is rotatably connected in the connecting platform (53). One end of the rotating shaft (54) is connected to a drive motor (55), and the side of the rotating shaft (54) is connected to a transmission shaft (56). The other end of the transmission shaft (56) is connected to a gripping component (57) for gripping and demolding the plastic pallet and conveying it to the outside of the machine box (1) for stacking. The conveying assembly (5) is also connected to a grinding assembly (6) for trimming excess material during the conveying of the plastic pallet. The gripping component (57) includes four tracks (571) forming a "well" shaped structure. The two vertically arranged tracks (571) are fixedly connected to a fixed platform (572) by multiple bolts. The fixed platform (572) is fixedly connected to the drive shaft (56). The two horizontally arranged tracks (571) are located on the upper and lower sides of the two vertical tracks (571) and are welded to each other. A connecting block (573) is fixedly connected to the left and right sides of each horizontal track (571). An "L" shaped gripping plate (574) is slidably connected in the connecting block (573). The gripping plate (574) is connected to a hydraulic retraction assembly. The grinding assembly (6) includes a connecting plate (61) connected to a drive shaft (56). The other end of the connecting plate (61) is rotatably connected to a connecting shaft (62). The connecting shaft (62) is rotatably connected to the connecting plate (61) via an adjusting motor (63), and the other end of the shaft is connected to a helical gear (64). The helical gear (64) meshes with a helical gear (65). The helical gear (65) is connected to a moving assembly (7). The moving assembly (7) is connected to two grinding wheels (8). The moving component (7) includes a double-ended screw (71), the middle section of which is coaxially fixedly connected to the second helical gear (65). The two threaded sections of the double-ended screw (71) with opposite directions of rotation are respectively connected to a slide (72). The two slides (72) are respectively slidably connected to two vertical rails (571). The two grinding wheels (8) are respectively rotatably connected in the slides (72). The two grinding wheels (8) are connected together to a rotating component (9) that causes the two grinding wheels (8) to rotate.

2. The plastic pallet conveying device according to claim 1, characterized in that: The rotating assembly (9) includes two linkage shafts (91), which are coaxially and fixedly connected to two grinding wheels (8). Each linkage shaft (91) is connected to a gear (92), and each gear (92) is rotatably connected to a slide (72). The two gears (92) mesh with a rack (93), which passes through the inner walls of the two slides (72) and its two ends are fixedly connected to a track (571) through a bracket plate (94).

3. The plastic pallet conveying device according to claim 1, characterized in that, Each of the slides (72) has a storage table (95) slidably connected to its side. Two grinding wheels (8) are rotatably connected in the storage table (95). The slides (72) and the storage table (95) are connected by a plurality of guide rods (96). The plurality of guide rods (96) are connected to an elastic component (97) through a first guide groove (99) opened on the slides (72).

4. A plastic pallet conveying device according to claim 3, characterized in that, The storage platform (95) is a shell structure with an opening on one side. The bottom of the storage platform (95) is set as an inclined structure and the opening part is higher than the inner part. The grinding wheel (8) is rotatably set on the side close to the fixed mold (2). The two storage platforms (95) are connected to the discharge pipe (98). The discharge pipe (98) is connected to the interior of the two storage platforms (95) on both sides. The grinding wheel (8) is provided with a notch (10).

5. A plastic pallet conveying device according to claim 4, characterized in that, The number of notches (10) is set to be no less than three. Multiple sets of notches (10) are arranged in a ring on the outer side of the grinding wheel (8). Each notch (10) has an arc-shaped cutter (101) connected to its side wall. The arc of the cutter (101) is 1 / 2 of the arc of the notch (10).

6. A plastic pallet conveying device according to claim 5, characterized in that, The cutter (101) is fixedly connected to a guide plate (102) on one side near the notch (10). The other end of the guide plate (102) is fixedly connected to a movable block (103) with a cross-sectional area larger than that of the guide plate (102). The side wall of the notch (10) is provided with a second guide groove (104) that is slidably connected to the movable block (103). An electromagnet (105) is connected to the bottom and the opening of the second guide groove (104). The movable block (103) is made of permanent magnetic material. Both electromagnets (105) are electrically connected to the electronic control component.

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