Dual-station box closing machine with box number matching function

Abstract

This invention provides a dual-station box-joining machine with box number matching function. The machine structure includes a frame with dual-station upper box transfer trolleys and lower box transfer trolleys. Since each transport is done with the upper box first and the lower box last, after the lower box is transferred to the flatbed trolley on the return section, the upper box can be temporarily transferred to the middle station. The left station of the frame can then be left vacant to allow for the entry of one set of upper and lower boxes. The flatbed trolley, having completed loading and unloading, simultaneously moves forward at the right station. During the next upper box transfer, the dual-station upper box transfer trolley can simultaneously join the first set of upper boxes from the middle station to the first set of lower boxes while transferring the next set of upper boxes. This invention adds an upper box reserve position, i.e., the middle station, at the box-joining point, enabling the lower box to accurately match its corresponding upper box number during box-joining, thereby achieving precise box-joining with one-to-one box number matching, improving the automation level and management efficiency of the production line.

Description

Technical Field

[0001] This invention relates to a box-closing machine structure, and more particularly to a dual-station box-closing machine with box number matching function. Background Technology

[0002] In traditional dual-main molding sections arranged in a straight line, the box-separating machine uses a "top box in front, bottom box behind" conveying mode during box separation. This results in the bottom box of each sand mold being separated by a set of top boxes after separation. When merging the boxes, the bottom box can only be merged with the top box that follows, causing the box numbers of the top and bottom boxes to always be misaligned by one number. This misaligned box merging method is difficult to meet the requirements of modern factories for production precision, traceability, and production scheduling control. Especially in production lines with a high level of automation, misaligned box merging has become a key bottleneck affecting production management and quality tracking. Summary of the Invention

[0003] To address the aforementioned technical problems, the purpose of this invention is to provide a dual-station box-closing machine with box number matching functionality. This equipment adds an upper box reserve position, i.e., an intermediate station, at the box-closing point, enabling the lower box to accurately match its corresponding upper box number during box-closing, thereby achieving precise box-closing with one-to-one box number matching, and improving the automation level and management efficiency of the production line.

[0004] This invention provides the following technical solution:

[0005] A dual-station box-binding machine with box number matching function includes a frame with dual-station upper box transfer trolley and lower box transfer trolley. The frame has a left station for receiving the box-forming conveyor section, a middle station for storing upper boxes, and a right station spanning outside the return conveyor section. After the first set of upper boxes and the first set of lower boxes of the paired box numbers are conveyed to the left station, with the first set of upper boxes in front and the first set of lower boxes behind, the lower box transfer trolley picks up the first set of lower boxes and places them onto the first set of flatbed trolleys conveyed in the return conveyor section. The dual-station upper box transfer trolley picks up the first set of upper boxes and places them at the middle station, and then proceeds to the next set of upper boxes and the next set of lower boxes of the paired box numbers. The first set of upper and lower boxes is transported to the left workstation by repeating the actions of the first set of upper and lower boxes. The next set of flatbed carts advances forward by one car length in sync with the first set of flatbed carts. Then, the lower box transfer cart grabs the next set of lower boxes and transfers them to the next set of flatbed carts transported to the return conveyor section to repeat the cycle of the first set of lower boxes. Meanwhile, the first workstation gripper of the double workstation upper box transfer cart grabs the first set of upper boxes from the middle workstation and transfers them to the top of the first set of lower boxes in the return conveyor section for box closing. At the same time, the second workstation gripper of the double workstation upper box transfer cart simultaneously grabs the next set of upper boxes and transfers them to the middle workstation to repeat the cycle of the first set of upper boxes.

[0006] Thus, by adding an upper box reserve position, or intermediate station, at the box closing point, the equipment enables the lower box to be accurately matched with its corresponding upper box number during box closing, thereby achieving precise box closing with one-to-one box number correspondence, and improving the automation level and management efficiency of the production line.

[0007] Preferably, a set of shaping section buffer devices is also provided at the front end of the left workstation to achieve buffering and pausing when the upper box is conveyed into place.

[0008] Preferably, the shaping section buffer device includes a buffer plate and a buffer block located at the end of the buffer plate. The two ends of the buffer plate are guided and connected to the frame. A set of adjusting rods is installed on the end of the buffer plate away from the buffer block through a hinge. The adjusting rods are locked to the locking block by screws. Therefore, when it is necessary to adjust the position of the buffer plate, it is only necessary to loosen the screws and adjust the position of the adjusting rods.

[0009] Preferably, the roller sets on both sides of the left workstation are used to roll and receive the upper and lower boxes conveyed by the molding conveying section, and the frame is fixed with positioning rods driven by positioning cylinders. The two sets of positioning rods are used to be inserted and positioned in the side holes on one side of the upper and lower boxes after they are conveyed to the position, so as to achieve precise positioning of the conveyed boxes.

[0010] Preferably, the lower box transfer vehicle includes a lower box sliding frame, a lower box lifting cylinder, a lower box base frame, lower box grippers, and a lower box gripping cylinder. A lower box moving motor is installed on the lower box sliding frame, and a lower box moving gear is installed on the drive end of the lower box moving motor. The lower box moving gear meshes with the lower box sliding rack on the frame to perform reciprocating motion between the molding conveying section and the return conveying section. The lower box lifting cylinder is installed on the lower box sliding frame to fix the lower box base frame for lifting and gripping operations. The lower box gripping cylinder is installed on the lower box base frame, and two sets of lower box grippers are driven by the lower box gripping cylinder to expand or contract to release or clamp the lower box. Four sets of lower box limiting rods distributed in a rectangular shape are also installed on the lower box base frame. The lower box limiting rods are used to limit the lower box to the top side when the lower box grippers grab the lower box.

[0011] Preferably, the upper box moving vehicle includes an upper box sliding frame and an upper box lifting cylinder. An upper box moving motor is installed on the upper box sliding frame, and an upper box moving gear is installed on the drive end of the upper box moving motor. The upper box moving gear meshes with the upper box sliding rack on the frame to perform reciprocating motion between the left work station, the middle work station, and the right work station. The upper box lifting cylinder is installed on the upper box sliding frame and there are two sets. The two sets of upper box lifting cylinders are used to control the lifting and lowering operations of the first work station gripper and the second work station gripper, respectively. The first work station gripper and the second work station gripper both include an upper box base frame, an upper box claw, and an upper box gripping cylinder. The upper box gripping cylinder is installed on the upper box base frame. The two sets of upper box claws are driven by the upper box gripping cylinder to expand or contract to release or clamp the upper box. The upper box base frame is also equipped with four sets of upper box limiting rods distributed in a rectangular shape. The upper box limiting rods are used to limit the upper box to the top side of the upper box when the upper box claw grabs the upper box.

[0012] Preferably, the top side of the flatbed is provided with a positioning guide post for alignment with the lower box.

[0013] Preferably, the flatbed is equipped with two sets of rotating rollers on its bottom side. The ends of the two sets of rotating rollers are provided with rollers that are rolled and connected to the guide rail of the return conveying section. Furthermore, a positioning group is provided on the bottom side of the frame for gripping the rotating rollers and positioning them in place. The positioning group includes gripping claws driven by a positioning cylinder to clamp the rotating rollers.

[0014] The gripper has three sets: a middle gripper and two sets of end grippers located on either side of the middle gripper. The middle gripper is hinged to the drive end of the positioning cylinder, while the mounting end of the positioning cylinder is hinged to the positioning plate via a set of shafts connecting to a transition frame. The end grippers are mounted on the positioning plate, and the ends of the transition frame are also mounted on the end grippers via a rotating shaft. When the positioning cylinder performs a push operation, the middle gripper hinged to the drive end of the positioning cylinder and the end grippers mounted on the positioning plate expand outward under the drive of the positioning cylinder to loosen the grip on the roller. Conversely, when the positioning cylinder performs a retraction operation, the three sets of grippers clamp and correct the position of the flatbed car.

[0015] The beneficial effects of this invention are as follows: The dual-station box-closing machine with box number matching function provided by this invention can achieve accurate matching of the lower box with its corresponding upper box number when the lower box is closed by adding an upper box reserve position, i.e., an intermediate station, at the box-closing point. This enables precise box-closing with one-to-one box number matching, thereby improving the automation level and management efficiency of the production line. Since the upper box is in front and the lower box is behind in each conveying, after the lower box is transferred to the flatbed car on the return section, the upper box can be temporarily transferred to the intermediate station. Therefore, the left station of the frame can be left empty at this time to allow the entry of a set of upper and lower boxes. The flatbed car that has completed loading and unloading simultaneously advances one car body length at the right station. When the upper box is transferred for the next time, the dual-station upper box transfer car can simultaneously close the first set of upper boxes in the intermediate station to the first set of lower boxes when transferring the next set of upper boxes. Attached Figure Description

[0016] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0017] Figure 1 This is a schematic diagram of the box closing process of the present invention;

[0018] Figure 2 This is a schematic diagram of the structure of the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the shaping section buffer device;

[0020] Figure 4 This is a structural diagram of the rack;

[0021] Figure 5 yes Figure 4 A partial schematic diagram from another perspective;

[0022] Figure 6 This is a structural diagram of the unloading and shifting vehicle;

[0023] Figure 7 This is a structural diagram of a dual-station box-moving vehicle;

[0024] Figure 8 This is a structural diagram of the positioning flatbed vehicle for the positioning group;

[0025] Figure 9 This is a structural diagram of the positioning group;

[0026] Markings in the diagram:

[0027] 1. Double-station upper box transfer trolley; 2. Lower box transfer trolley; 3. Frame; 4. Left station; 5. Middle station; 6. Right station; 7. First lower box; 8. First upper box; 9. Flatbed trolley; 10. Molding section buffer device; 101. Buffer plate; 102. Buffer block; 103. Adjusting rod; 104. Locking block; 31. Roller assembly; 32. Positioning cylinder; 33. Side hole; 21. Lower box sliding frame; 22. Lower box lifting cylinder; 23. Lower box base frame; 24. Lower box gripper; 25. Lower box gripper cylinder ; 26. Lower box moving motor; 27. Lower box moving gear; 28. Lower box moving rack; 11. Upper box sliding frame; 12. Upper box lifting cylinder; 13. Upper box moving motor; 14. Upper box moving gear; 15. Upper box sliding rack; 16. First station gripper; 17. Second station gripper; 18. Upper box base frame; 19. Upper box gripper; 91. Positioning guide post; 92. Rotary roller; 93. Roller; 94. Positioning cylinder; 95. Intermediate gripper; 96. End gripper; 97. Positioning plate; 98. Transition frame. Detailed Implementation

[0028] Example 1

[0029] like Figure 1-9 As shown, the dual-station box-binding machine with box number matching function, in this embodiment, includes a frame with a dual-station upper box transfer trolley and a lower box transfer trolley. The frame has a left station for receiving the molding conveyor section, a middle station for storing upper boxes, and a right station spanning outside the return conveyor section. After the first set of upper boxes and the first set of lower boxes of the paired box numbers are conveyed to the left station, the first set of upper boxes is in front and the first set of lower boxes is behind. The lower box transfer trolley grabs the first set of lower boxes and places them onto the first set of flatbed carts conveyed in the return conveyor section, and the dual-station upper box transfer trolley grabs the first set of upper boxes and places them at the middle station, and then the next set of upper boxes of the paired box numbers... The next set of unloading boxes repeats the actions of the first set of loading boxes and unloading boxes, and is transported to the left workstation. The next set of flatbed carts advances forward one car length synchronously with the first set of flatbed carts. Then, the unloading box transfer cart grabs the next set of unloading boxes and transfers it to the next set of flatbed carts transported to the return conveyor section to repeat the cycle of the first set of unloading boxes. Meanwhile, the first workstation gripper of the double workstation loading box transfer cart grabs the first set of loading boxes from the middle workstation and transfers it to the top of the first set of unloading boxes in the return conveyor section for box closing. At the same time, the second workstation gripper of the double workstation loading box transfer cart simultaneously grabs the next set of loading boxes to the middle workstation to repeat the cycle of the first set of loading boxes.

[0030] Thus, by adding an upper box reserve position, or intermediate station, at the box closing point, the equipment enables the lower box to be accurately matched with its corresponding upper box number during box closing, thereby achieving precise box closing with one-to-one box number correspondence, and improving the automation level and management efficiency of the production line.

[0031] Example 2

[0032] In this embodiment, the dual-station box closing machine with box number matching function is a further limitation based on embodiment 1. A set of shaping section buffer devices is also provided at the front end of the left station to achieve buffering and pausing when the upper box is conveyed to the position.

[0033] The shaping section buffer device includes a buffer plate and a buffer block located at the end of the buffer plate. The two ends of the buffer plate are guided and connected to the frame. A set of adjusting rods is installed on the end of the buffer plate away from the buffer block through a hinge. The adjusting rods are locked to the locking block by screws. Therefore, when it is necessary to adjust the position of the buffer plate, it is only necessary to loosen the screws and adjust the position of the adjusting rods.

[0034] The roller sets on both sides of the left workstation are used to roll and receive the upper and lower boxes conveyed by the molding conveyor section. The frame is fixed with positioning rods driven by positioning cylinders. The two sets of positioning rods are used to insert and position themselves in the side holes on the side of the upper and lower boxes after they are conveyed to the position, so as to achieve precise positioning of the conveyed boxes.

[0035] The lower box moving vehicle includes a lower box sliding frame, a lower box lifting cylinder, a lower box base frame, lower box grippers, and a lower box gripping cylinder. A lower box moving motor is installed on the lower box sliding frame, and a lower box moving gear is installed on the drive end of the lower box moving motor. The lower box moving gear meshes with the lower box sliding rack on the frame to perform reciprocating motion between the molding conveying section and the return conveying section. The lower box lifting cylinder is installed on the lower box sliding frame to fix the lower box base frame for lifting and gripping operations. The lower box gripping cylinder is installed on the lower box base frame. Two sets of lower box grippers are driven by the lower box gripping cylinder to expand or contract to release or clamp the lower box. Four sets of lower box limiting rods distributed in a rectangle are also installed on the lower box base frame. The lower box limiting rods are used to limit the lower box to the top side when the lower box grippers grab the lower box.

[0036] The upper box moving vehicle includes an upper box sliding frame and an upper box lifting cylinder. An upper box moving motor is installed on the upper box sliding frame, and an upper box moving gear is installed on the drive end of the upper box moving motor. The upper box moving gear meshes with the upper box sliding rack on the frame to perform reciprocating motion between the left, middle, and right workstations. The upper box lifting cylinder is installed on the upper box sliding frame and there are two sets. The two sets of upper box lifting cylinders are used to control the lifting and lowering operations of the first workstation gripper and the second workstation gripper, respectively. The first workstation gripper and the second workstation gripper both include an upper box base frame, an upper box claw, and an upper box gripping cylinder. The upper box gripping cylinder is installed on the upper box base frame. The two sets of upper box claws are driven by the upper box gripping cylinder to expand or contract to release or clamp the upper box. Four sets of upper box limiting rods distributed in a rectangular shape are also installed on the upper box base frame. The upper box limiting rods are used to limit the upper box to the top side of the upper box when the upper box claw grabs the upper box.

[0037] The flatbed truck is equipped with positioning guide posts on its top side for alignment with the lower box.

[0038] The flatbed is equipped with two sets of rotating rollers on its bottom side. The ends of the two sets of rotating rollers are provided with rollers that are rolled and connected to the guide rail of the return conveying section. A positioning group for gripping the rotating rollers and positioning them in place is also provided on the bottom side of the frame. The positioning group includes grippers driven by positioning cylinders to clamp the rotating rollers.

[0039] The gripper has three sets: a middle gripper and two sets of end grippers located on either side of the middle gripper. The middle gripper is hinged to the drive end of the positioning cylinder, while the mounting end of the positioning cylinder is hinged to the positioning plate via a set of shafts connecting to a transition frame. The end grippers are mounted on the positioning plate, and the ends of the transition frame are also mounted on the end grippers via a rotating shaft. When the positioning cylinder performs a push operation, the middle gripper hinged to the drive end of the positioning cylinder and the end grippers mounted on the positioning plate expand outward under the drive of the positioning cylinder to loosen the grip on the roller. Conversely, when the positioning cylinder performs a retraction operation, the three sets of grippers clamp and correct the position of the flatbed car.

[0040] The working principle of this invention is as follows: The dual-station box-closing machine with box number matching function provided by this invention can achieve accurate matching of the lower box with the corresponding upper box number when the box is closed by adding an upper box reserve position, i.e., an intermediate station, at the box closing point. This enables precise box closing with one-to-one box number matching, thereby improving the automation level and management efficiency of the production line. Since the upper box is in front and the lower box is behind in each conveying, after the lower box is transferred to the flatbed car on the return section, the upper box can be temporarily transferred to the intermediate station. Therefore, the left station of the frame can be left empty at this time to allow the entry of a set of upper and lower boxes. The flatbed car that has completed loading and unloading simultaneously advances one car body length at the right station. When the upper box is transferred for the next time, the dual-station upper box transfer car can simultaneously close the first set of upper boxes in the intermediate station to the first set of lower boxes when transferring the next set of upper boxes.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A double station box closing machine with a box number function, characterized in that, The application relates to a machine frame with double-position upper box moving trolleys and lower box moving trolleys, which has a left-positioned molding conveying section, a middle-positioned upper box storage section and a right-positioned section arranged outside a return conveying section. After a first group of upper boxes and a first group of lower boxes with paired box numbers are conveyed to the left-positioned section, the first group of upper boxes is in front and the first group of lower boxes is behind. The lower box moving trolley grabs the first group of lower boxes and places them on a first group of flat cars conveyed by the return conveying section, and the double-position upper box moving trolley grabs the first group of upper boxes and places them in the middle-positioned section. Then, a next group of upper boxes and a next group of lower boxes with paired box numbers repeat the action of the first group of upper boxes and the first group of lower boxes and are conveyed to the left-positioned section. A next group of flat cars is pushed forward by one car length synchronously with the first group of flat cars. Then, the lower box moving trolley grabs the next group of lower boxes and places them on the next group of flat cars conveyed by the return conveying section to repeat the cycle of the first group of lower boxes. Meanwhile, the first-positioned gripper of the double-position upper box moving trolley grabs the first group of upper boxes in the middle-positioned section and moves them above the first group of lower boxes in the return conveying section to combine the upper boxes and the lower boxes. Simultaneously, the second-positioned gripper of the double-position upper box moving trolley grabs the next group of upper boxes and places them in the middle-positioned section to repeat the cycle of the first group of upper boxes.

2. The double station case bonder with case number function of claim 1, wherein, The front end of the left-positioned section is further provided with a group of molding section buffer devices.

3. The double station box assembly machine with box number function according to claim 2, characterized in that, The molding section buffer device comprises a buffer plate and a buffer block at the end of the buffer plate. The two ends of the buffer plate are connected to the machine frame in a guided manner. A group of adjusting rods are installed on the end of the buffer plate away from the buffer block through hinges. The adjusting rods are locked on locking blocks through screws.

4. The double station box assembly machine with box number function according to claim 1, characterized in that, Roller groups arranged on the two sides of the left-positioned section are used to roll the upper boxes and the lower boxes conveyed by the molding conveying section. Positioning rods driven by positioning cylinders are fixed on the machine frame. The two groups of positioning rods are used to be respectively inserted into the side holes of the upper boxes and the lower boxes conveyed to positions.

5. The double station box assembly machine with box number function according to claim 1, characterized in that, The lower box moving trolley comprises a lower box sliding frame, a lower box lifting cylinder, a lower box base frame, lower box grippers and a lower box grabbing cylinder. A lower box moving motor is installed on the lower box sliding frame. A lower box moving gear is installed on the driving end of the lower box moving motor. The lower box moving gear is engaged with a lower box sliding rack on the machine frame to move back and forth between the molding conveying section and the return conveying section. The lower box lifting cylinder is installed on the lower box sliding frame to fix the lower box base frame for lifting and grabbing operations. The lower box grabbing cylinder is installed on the lower box base frame. Two groups of lower box grippers are driven by the lower box grabbing cylinder to expand or contract to loosen or clamp the lower boxes. Four groups of lower box limiting rods distributed in a rectangular manner are installed on the lower box base frame. The lower box limiting rods are used to limit the top side of the lower boxes when the lower box grippers grab the lower boxes.

6. The double station box assembly machine with box number function according to claim 1, characterized in that, The upper box moving trolley comprises an upper box sliding frame and an upper box lifting cylinder, the upper box moving motor is installed on the upper box sliding frame, the driving end of the upper box moving motor is provided with an upper box moving gear, the upper box moving gear is engaged with an upper box sliding rack on the rack to move back and forth between the left work station, the middle work station and the right work station, the upper box lifting cylinder is installed on the upper box sliding frame and is provided with two groups, the two groups of upper box lifting cylinders are used to control the lifting operation of the first work station clamping jaw and the second work station clamping jaw respectively, the first work station clamping jaw and the second work station clamping jaw both comprise an upper box base frame, an upper box grabbing jaw and an upper box grabbing cylinder, the upper box grabbing cylinder is installed on the upper box base frame, the two groups of upper box grabbing jaws are driven to expand or contract by the upper box grabbing cylinder to loosen or clamp the upper box, four groups of upper box limiting rods in a rectangular distribution are also installed on the upper box base frame, the upper box limiting rods are used to limit the top side of the upper box when the upper box grabbing jaws grab the upper box.

7. The double station case bonder with case number function of claim 1, wherein, The top side of the flat car is provided with a positioning guide column for aligning with the lower box.

8. The double station box assembly machine with box number function according to claim 1, characterized in that, The bottom side of the flat car is adaptively provided with two groups of rotating rollers, the ends of the two groups of rotating rollers are provided with roller wheels which are rolling connected on the return conveying section guide rail, and a positioning group for grabbing the rotating rollers to position the conveying position is also provided on the bottom side of the rack, the positioning group comprises a grabbing jaw which is driven by a positioning cylinder to clamp outside the rotating roller.

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