A limiting structure for tray feeding

Abstract

The utility model discloses a kind of limit structure for tray feeding, including a pair of limit frame, the inside of a pair of limit frame right end is uniformly provided with the horizontal extension of claw, claw flush on both sides, form a pair of limit clamping jaw, through the claw of both sides and hold tray, the resistance of claw is provided with friction part;Limit frame is horizontally provided with the slot for the end of claw insertion, the other end of claw is located outside slot, is resistance end, and is used for holding tray, and slot is inclinedly arranged, and make the resistance end of two claws close to each other, the insertion end of claw is far away from each other, the insertion end of claw is vertically provided with rotating pin, and is rotatably connected in slot, the width of slot front and rear extension is greater than the width of claw front and rear extension, so that claw can rotate in slot, pinhole is vertically provided on limit frame corresponding rotating pin, slot is provided with the elastic supporting member located at the back of claw. Can limit tray take-out quantity, avoid taking out multiple trays at a time.

Description

Technical Field

[0001] This utility model relates to the field of packaging equipment technology, specifically to a limiting structure for pallet feeding. Background Technology

[0002] Pallets are core auxiliary components for supporting and positioning medicine bottles, boxes, and other pharmaceutical packaging containers. To adapt to automated production processes, they are often made of lightweight materials such as plastic in one piece and stored in a stacked manner. Automated material handling is completed by suction cup robotic arms. This operation method has been widely used in various pharmaceutical packaging production lines due to its convenient operation and strong equipment adaptability.

[0003] However, existing pharmaceutical packaging pallets are prone to static electricity buildup due to friction during actual material handling, or slight deformation from stacking pressure, leading to adhesion or sticking between adjacent pallets. When a suction cup robot performs the picking operation, multiple pallets can easily be picked up simultaneously, causing the following problems: 1. Unplanned picking of multiple pallets can cause material conveying delays on the production line, disrupting the continuity of subsequent packaging processes and significantly reducing production efficiency; 2. Collisions between excess pallets can easily damage materials, increasing the cost of packaging consumables, and requiring manual intervention for sorting, further increasing labor costs for production and maintenance. Therefore, there is an urgent need for a limiting structure to restrict the number of pallets picked up. Utility Model Content

[0004] This utility model aims to solve the technical problems existing in the prior art, and innovatively proposes a limiting structure for pallet loading, which can limit the number of pallets taken out and avoid taking out multiple pallets at one time.

[0005] To achieve the above objectives, this utility model provides a limiting structure for pallet loading, including a pair of limiting frames disposed on the front and rear sides of the placement platform. The inner side of the right end of each pair of limiting frames is provided with horizontally extending abutments. The abutments on both sides are flush to form a pair of limiting clamps, which clamp the pallet. The abutments on both sides are provided with friction parts.

[0006] The limiting frame has a horizontally arranged slot for inserting one end of the abutment claw. The other end of the abutment claw is located outside the slot and serves as the holding end, used to hold the tray. The slot is inclined so that the holding ends of the two abutment claws are close to each other. The insertion end of the abutment claw has a vertically arranged rotating pin, which is rotatably connected to the slot. The front-to-back extension width of the slot is greater than the front-to-back extension width of the abutment claw, allowing the abutment claw to rotate within the slot. The limiting frame has a pin hole vertically arranged corresponding to the rotating pin. An elastic support member is provided on the back of the abutment claw within the slot.

[0007] In the above scheme: each of the limiting frames has multiple abutments arranged vertically at intervals, each abutment is individually equipped with a slot, and multiple abutments share a common rotating pin.

[0008] In the above scheme: the friction part is a toothed friction texture.

[0009] In the above scheme: the elastic support is a spring.

[0010] In the above scheme: the slot is provided with an installation groove corresponding to the elastic support, which facilitates the installation of the elastic support and improves installation efficiency.

[0011] In the above solution: the limiting frame can be detachably installed on the placement platform, and an L-shaped mounting bracket is provided on the back of the limiting frame. The vertical part of the L-shaped mounting bracket is fixedly connected to the limiting frame by bolts, and the horizontal part of the L-shaped mounting bracket is installed on the placement platform by mounting bolts, so that the limiting frame can be replaced.

[0012] In the above solution: the horizontal part of the L-shaped mounting bracket is provided with a strip-shaped hole extending forward and backward, and the mounting bolt is installed in the strip-shaped hole, which can adjust the distance between the two limiting brackets to suit pallets of different sizes.

[0013] In summary, the beneficial effects of this utility model are as follows: During use, a stack of pallets is placed horizontally on the placement table. The suction cup robotic arm horizontally sucks out the pallets from between the right ends of two limiting frames. The limiting frames restrict the position of the pallets, and the claws on both sides can hold the pallets. During suction, only one pallet is picked up at a time to prevent overlapping and subsequent jamming, thus improving conveying quality. The slots allow for the installation of the claws, and the insertion of the claws into the slots is smooth, preventing the claw ends from protruding and affecting pallet movement. The elastic support ensures that the claw clamping ends are always outside the slots and provides some clearance, preventing excessive claw clamping force from affecting pallet picking. The structure is simple and ingeniously designed. Attached Figure Description

[0014] Figure 1 This is a top view of the present invention.

[0015] Figure 2 yes Figure 1 Enlarged diagram of point A in the middle.

[0016] Figure 3 This is a front view of the abutment and the limit bracket. Detailed Implementation

[0017] The present invention will be further described below with reference to embodiments and accompanying drawings:

[0018] like Figures 1-3As shown, a limiting structure for pallet loading includes a placement platform 1 and a pair of limiting frames 5 disposed on the front and rear sides of the placement platform 1. The placement platform 1 is used to place a stack of pallets placed upside down, ensuring that each pallet bears the same weight. This prevents the bottom pallet from being subjected to greater gravity and sticking together due to vertical stacking, minimizing the formation of suction or sticking states and facilitating subsequent picking. The limiting frames 5 are located on both sides of the stack of pallets and restrict the lateral movement of the pallets, ensuring that the picking robot can align the pallets. The limiting frames 5 are detachably mounted on the placement platform 1, and an L-shaped mounting bracket 2 is provided on the back of the limiting frame 5. The vertical part of the L-shaped mounting bracket 2 is fixedly connected to the limiting frame 5 by bolts, and the horizontal part of the L-shaped mounting bracket 2 is mounted on the placement platform 1 by mounting bolts 4, allowing the limiting frames 5 to be replaced. The horizontal part of the L-shaped mounting bracket 2 is provided with a front-to-back extending strip hole 3, and the mounting bolts 4 are installed in the strip hole 3, allowing the spacing between the two limiting frames 5 to accommodate pallets of different sizes.

[0019] Multiple horizontally extending abutment claws 7 are provided on the inner side of the right end of each pair of limiting brackets 5. The abutment claws 7 are spaced vertically apart, and the abutment claws 7 on both sides are flush with each other, forming a pair of limiting grippers. The tray is clamped by the abutment claws 7 on both sides. The abutment side of the abutment claw 7 is provided with a friction part to further increase the friction force and ensure that only one tray is sucked away as much as possible. In this embodiment, the friction part is a toothed friction texture.

[0020] Each claw 7 on the limiting frame 5 is individually provided with a slot 6 for the left end of the claw 7 to be inserted. The right end of the claw 7 is located outside the slot 6, serving as the holding end and used to hold the tray. The slot 6 is inclined, so that the holding ends of the two claws 7 are close to each other, while the insertion ends of the claws 7 are far apart. A rotating pin 10 is vertically provided at the insertion end of the claw 7 and is rotatably connected inside the slot 6. The front-to-back extension width of the slot 6 is greater than the front-to-back extension width of the claw 7, allowing the claw 7 to rotate within the slot 6.

[0021] The abutments 7 on the same side all share a rotating pin 10. A pin hole is vertically provided on the limiting frame 5 corresponding to the rotating pin 10. An elastic support 8 located on the back of the abutment 7 is provided in the slot 6. An installation groove is provided in the slot 6 corresponding to the elastic support 8 to facilitate installation and improve installation efficiency. In this embodiment, the elastic support 8 is a spring.

Claims

1. A limiting structure for pallet loading, characterized in that: Includes a pair of limiting frames (5) set on the front and rear sides of the placement platform (1). The inner side of the right end of each pair of limiting frames (5) is provided with horizontally extending abutment claws (7). The abutment claws (7) on both sides are flush to form a pair of limiting claws. The tray is clamped by the abutment claws (7) on both sides. The abutment claws (7) are provided with friction parts on the abutment side. The limiting frame (5) is horizontally provided with a slot (6) for inserting one end of the abutment (7). The other end of the abutment (7) is located outside the slot (6) and serves as the abutment end, which is used to abut the tray. The slot (6) is inclined so that the abutment ends of the two abutments (7) are close to each other. The insertion end of the abutment (7) is vertically provided with a rotating pin (10) and is rotatably connected in the slot (6). The front-to-back width of the slot (6) is greater than the front-to-back width of the abutment (7) so that the abutment (7) can rotate in the slot (6). The limiting frame (5) is vertically provided with a pin hole corresponding to the rotating pin (10). An elastic support (8) located on the back of the abutment (7) is provided in the slot (6).

2. The limiting structure for pallet loading according to claim 1, characterized in that: Each of the limiting brackets (5) has multiple abutments (7) spaced vertically, each abutment (7) is equipped with a slot (6), and multiple abutments (7) share a rotating pin (10).

3. The limiting structure for pallet loading according to claim 2, characterized in that: The friction part has toothed friction patterns.

4. A limiting structure for pallet loading according to claim 1, characterized in that: The elastic support (8) is a spring.

5. A limiting structure for pallet loading according to claim 4, characterized in that: The slot (6) is provided with an installation groove corresponding to the elastic support (8).

6. A limiting structure for pallet loading according to claim 1, characterized in that: The limiting frame (5) is detachably installed on the placement platform (1), and an L-shaped mounting bracket (2) is provided on the back of the limiting frame (5). The vertical part of the L-shaped mounting bracket (2) is fixedly connected to the limiting frame (5) by bolts, and the horizontal part of the L-shaped mounting bracket (2) is installed on the placement platform (1) by mounting bolts (4).

7. A limiting structure for pallet loading according to claim 6, characterized in that: The L-shaped mounting bracket (2) has a strip-shaped hole (3) extending forward and backward in the horizontal part, and the mounting bolt (4) is installed in the strip-shaped hole (3).

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