Tray clamping and horizontal dragging system

By designing a pallet clamping and horizontal dragging system, the system utilizes clamping and driving mechanisms to achieve stable pallet dragging, solving the problem of unstable horizontal pallet dragging in automated material handling systems and improving the loading and unloading efficiency and space utilization of machining centers.

CN223891944UActive Publication Date: 2026-02-10WITTER ROBERT MASCH (SUZHOU) CO LTD
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Patent Information

Application Number
CN202520526246.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-25
Publication Date
2026-02-10
Estimated Expiration
2035-03-25

AI Technical Summary

Technical Problem

The existing automated material handling system lacks a stable horizontal pallet dragging system, resulting in low loading and unloading efficiency in machining centers, relying on manual or overhead crane operations, and hindering the promotion of standardized operations.

Method used

Design a pallet clamping and horizontal dragging system, which connects the pallet through a clamping mechanism on a crossbeam and uses a drive mechanism to drive the crossbeam to move horizontally, thereby achieving stable dragging of the pallet.

Benefits of technology

It improves the efficiency of pallet dragging and movement, reduces manual intervention, increases space utilization, ensures dragging stability and positional accuracy, and reduces friction and wear.

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Abstract

The utility model relates to the technical field of three-dimensional material warehouse material supply, and discloses a tray clamping and horizontal dragging system which comprises a cross beam and a driving mechanism used for driving the cross beam to move horizontally, a clamping mechanism used for being connected with a tray is installed on the cross beam, the clamping mechanism comprises a supporting rod fixedly connected with the cross beam, and the supporting rod is fixedly connected with the cross beam. One side of the supporting rod is provided with a clamping plate which can overturn in the longitudinal direction so as to clamp or release the tray. The tray and the cross beam are connected together through overturning of the clamping plates of the clamping mechanism, and then the cross beam is driven by the driving mechanism to move in the horizontal direction, so that dragging and moving of the tray are achieved. The system is simple in structure and convenient to operate, the tray can be stably dragged into a warehouse or a material tower in an overturning and clamping mode, and the working efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of three -dimensional warehouse supply, concretely relates to a tray clamping horizontal dragging system. BACKGROUND

[0002] In the modern mechanical processing industry, the feeding mode of machining center is various, and the three-dimensional warehouse feeding is widely applied. However, the feeding and discharging links of the current three-dimensional warehouse have obvious short board. On the one hand, there is no special feeding and discharging equipment or device, and small materials are placed by manual, and large materials are operated by travelling crane or forklift. On the other hand, there is no stable dragging system for horizontal dragging of tray, especially tray.

[0003] This situation seriously restricts the promotion of standardized operation and hinders the improvement of work efficiency. Therefore, developing an efficient and stable three-dimensional warehouse tray feeding and discharging mechanism, especially a reliable tray horizontal dragging system, has become an urgent problem in the industry. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient in the prior art, and provides a tray clamping horizontal dragging system, which is connected with the tray through the clamping mechanism on the crossbeam, and then the crossbeam is horizontally moved through the driving mechanism, so that the tray is clamped and horizontally dragged.

[0005] To achieve the above-mentioned purpose, the utility model adopts the technical scheme that:

[0006] A tray clamping horizontal dragging system, comprising a crossbeam and a driving mechanism for driving the crossbeam to move horizontally, a clamping mechanism for connecting the tray is installed on the crossbeam, the clamping mechanism comprises a supporting rod fixedly connected with the crossbeam, and a clamping plate capable of turning longitudinally to clamp or release the tray is arranged on one side of the supporting rod.

[0007] Optionally, the clamping mechanism further comprises a support and a telescopic assembly, the support is installed on the supporting rod, the telescopic assembly is installed on the crossbeam, the middle part of the clamping plate is rotatably connected with the support, and the output end of the telescopic assembly is rotatably connected with the lower part of the clamping plate.

[0008] Optionally, the support is fixedly installed at the bottom of the supporting rod, the clamping plate is located at the front side of the supporting rod, and one end of the telescopic assembly opposite to the clamping plate is rotatably connected with the crossbeam.

[0009] Optionally, the two ends of the crossbeam are provided with supporting plates in opposite directions, and the driving mechanism is arranged on the supporting plates.

[0010] Optionally, the driving mechanism comprises a driving gear rotatably mounted on the outer side of the support plate, one side of the driving gear is rotatably mounted with a guide wheel, and the rack is located between the driving gear and the guide wheel.

[0011] Optionally, the driving gears on the two support plates are connected through a transmission shaft, one side of the cross beam is mounted with a driving motor, and the output end of the driving motor is connected with the transmission shaft through a first transmission assembly.

[0012] Optionally, the driving gear is located below the guide wheel, and one side of the driving gear is further rotatably mounted with a driven gear engaged with the rack.

[0013] Optionally, a through groove is formed on the support plate, a follower wheel is rotatably mounted in the through groove, and the outer circumferential surface of the follower wheel protrudes from the support plate and is attached to the side surface of the rack.

[0014] Optionally, the transmission shaft is parallel to the cross beam, and an encoder assembly for detecting the rotating speed of the transmission shaft is further mounted on the cross beam.

[0015] Optionally, the encoder assembly comprises a bracket fixedly connected with the cross beam, a rotating shaft and an encoder body are mounted on the bracket, the rotating shaft is parallel to the transmission shaft, one end of the rotating shaft is connected with the input end of the encoder body, and the other end is connected with the transmission shaft through a second transmission assembly.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) In the utility model, the clamping plate of the clamping mechanism is turned over to connect the tray and the cross beam together, and then the driving mechanism drives the cross beam to move in the horizontal direction, so that the tray is dragged and moved; the system has simple structure and convenient operation, and the tray can be stably dragged into the material warehouse or the material tower in the form of turning clamping, so that the working efficiency is improved;

[0018] (2) In the utility model, the clamping plate is located at the front end of the support rod and is rotatably connected with the support at the bottom of the support rod, so that the clamping plate can hook and clamp the tray in the form of from bottom to top, and the structure design can not only improve the utilization rate of space, but also avoid interference with the materials in the tray;

[0019] (3) In the utility model, the driving mode of the gear and the rack can improve the position accuracy of the dragging movement, and the fixed rack can also ensure the stability of the system operation. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is the structure schematic view of the tray clamping and horizontal dragging system in the embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the drive mechanism in an embodiment of this utility model;

[0022] Figure 3 This is a schematic diagram of the encoder assembly in an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the clamping mechanism (opening) in an embodiment of this utility model;

[0024] Figure 5 This is a schematic diagram of the clamping mechanism (closed) in an embodiment of this utility model;

[0025] Among them, 1. crossbeam; 2. support plate;

[0026] 3. Drive mechanism; 301. Transmission shaft; 302. Driving gear; 303. Driven gear; 304. Drive motor; 305. First transmission assembly; 306. Guide wheel; 307. Follower wheel;

[0027] 4. Clamping mechanism; 401. Support rod; 402. Support; 403. Clamping plate; 404. Telescopic assembly;

[0028] 5. Encoder assembly; 501. Bracket; 502. Shaft; 503. Encoder body; 504. Second transmission assembly; 6. Cable chain. Detailed Implementation

[0029] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments. These drawings are simplified schematic diagrams, which are only used to illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0030] Example 1, as Figure 1 As shown, a pallet clamping horizontal dragging system includes a crossbeam 1, a drive mechanism 3, a clamping mechanism 4, an encoder assembly 5, and a drag chain 6; both ends of the crossbeam 1 are fixedly installed with support plates 2, the drive mechanism 3 is disposed on the support plates 2, one end of the drag chain 6 is fixedly connected to the support plates 2, and the clamping mechanism 4 and the encoder assembly 5 are disposed on the crossbeam 1.

[0031] As described above, the drive mechanism 3 is used to drive the crossbeam 1 to move horizontally, and the direction of movement is perpendicular to the length direction of the crossbeam 1. The clamping mechanism 4 is used to connect the pallet and the crossbeam 1 during movement, ensuring that the crossbeam 1 can stably drag the pallet when it moves. The cable chain 6 is used to protect the data transmission and control harness, avoiding the problem of harness tangling during dragging.

[0032] In this utility model, the towing system is set on the existing frame. The pallet is connected by the clamping mechanism 4 on the crossbeam 1, and the crossbeam 1 is moved horizontally by the drive mechanism 3, thereby realizing the stable clamping and horizontal towing of the pallet.

[0033] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the drive mechanism 3 includes a drive gear 302, a guide wheel 306, and a drive motor 304 for driving the drive gear 302 to rotate. The drive gear 302 and the guide wheel 306 are both rotatably mounted on the outside of the support plate 2, and the drive gear 302 is located below the guide wheel 306, with the rack located between the drive gear 302 and the guide wheel 306.

[0034] The rack is fixedly mounted on the frame, and the drive gear 302 meshes with the rack. When the rack is driven to rotate by the motor, it can move horizontally relative to the frame along the length of the rack. When the drive gear 302 meshes with the rack, the outer circumferential surface of the guide wheel 306 is in contact with the side of the drive gear 302 opposite to the rack, so as to play a guiding and limiting role.

[0035] To ensure stable movement of the crossbeam 1, a driven gear 303 is rotatably mounted on one side of the driving gear 302. The driven gear 303 has the same specifications as the driving gear 302, and their axes are parallel to each other. It can also mesh with the rack to provide support and limit, preventing the support plate 2 from becoming unbalanced when only one driving gear 302 rolls on each support plate 2. Similarly, two guide wheels 306 are also provided, located above the rack.

[0036] By using a rack and pinion drive system, the positional accuracy of towing movements can be improved, and the fixed rack as support also ensures the stability of the system operation.

[0037] Furthermore, a through groove is provided on the support plate 2, and a follower wheel 307 is rotatably installed in the through groove, with the outer circumferential surface of the follower wheel 307 protruding from the support plate 2 and fitting against the side of the rack.

[0038] There are two through slots, symmetrically distributed between the two guide wheels 306, and they are attached to the side of the rack near the support plate 2 by the follower wheel 307. This can not only limit the position of the support plate 2, but also reduce the friction between the support plate 2 and the rack, thereby reducing the friction and wear generated during the operation of the system.

[0039] In addition, the drive gears 302 on the two support plates 2 are connected by the transmission shaft 301. A drive motor 304 is installed on the crossbeam 1. The output end of the drive motor 304 is connected to the transmission shaft 301 through the first transmission component 305. That is, when the drive motor 304 is working, it increases the torque and transmits it to the transmission shaft 301 through the first transmission component 305. Then, the drive gears 302 at both ends are driven to rotate synchronously through the transmission shaft 301, ensuring that the movement trends of both ends of the crossbeam 1 are consistent.

[0040] The drive shaft 301 is parallel to the crossbeam 1. The two drive gears 302 are rotated through the drive shaft 301. This simplifies the structural design of the system and ensures the synchronicity of the movement of the two drive gears 302. This ensures that the movement trends of the two ends of the crossbeam 1 are consistent and prevents the crossbeam 1 from twisting during movement.

[0041] like Figure 1 , Figure 4 and Figure 5 As shown, the clamping mechanism 4 includes a support rod 401, a support 402, a clamping plate 403, and a telescopic assembly 404. The support rod 401 is perpendicular to the crossbeam 1 and fixedly connected to it. The support 402 is fixedly installed at the bottom of the support rod 401, and the end of the support 402 protrudes from the front end of the support rod 401. The clamping plate 403 is rotatably installed at the end of the support 402 (i.e., the clamping plate 403 is located in front of the support rod 401). Driven by the telescopic assembly 404, it can achieve a longitudinal flipping action, thereby achieving the purpose of clamping or releasing the pallet.

[0042] As described above, the clamping plate 403 adopts an approximately T-shaped structure, with its central protruding part rotatably connected to the support 402, its lower part rotatably connected to the output end of the telescopic component 404, and its upper end having an inwardly bent hook-shaped structure. When the clamping plate 403 is closed, its upper end is opposite to the end of the support rod 401, and the connecting part on the tray is located between the upper end of the clamping plate 403 and the end of the support rod 401.

[0043] The telescopic component 404, located opposite the clamping plate 403, is rotatably connected to the crossbeam 1. The telescopic component 404 is existing technology, preferably employing a module capable of outputting linear motion, such as an electric cylinder, pneumatic cylinder, or hydraulic cylinder. The clamping plate 403 is located at the front end of the support rod 401 and is rotatably connected to the support 402 at the bottom of the support rod 401. Therefore, the clamping plate 403 can hook and clamp the pallet from bottom to top. This structural design not only improves space utilization but also avoids interference with the materials in the pallet.

[0044] Furthermore, at least two clamping mechanisms 4 are provided and are distributed at equal intervals along the length of the crossbeam 1. By adding multiple connections, the stability of the connection between the crossbeam 1 and the pallet can be ensured during dragging.

[0045] Working principle:

[0046] Before the crossbeam 1 is hooked to the pallet or when the pallet is released, the output end of the telescopic component 404 retracts, causing the clamping plate 403 to longitudinally flip and open around the connection with the support 402, so that the connection part of the pallet can enter between the clamping plate 403 and the support rod 401. Then the output end of the telescopic component 404 extends, the clamping plate 403 flips in the opposite direction and closes, clamping the connection part of the pallet between the upper part of the clamping plate 403 and the end of the support rod 401, thus realizing the connection between the crossbeam 1 and the pallet.

[0047] Once the pallet is connected to the crossbeam 1, the drive motor 304 operates, driving the transmission shaft 301 to rotate, which in turn drives the drive gears 302 at both ends to rotate, moving along the length of the rack. Here, the rack acts as a guide rail, while the driven gear 303, guide wheel 306, and follower wheel 307 are passively rotated accordingly during this process, until the towing system moves the pallet to the designated position.

[0048] In Example 2, based on Example 1, this utility model also proposes a related structure for encoder assembly 5. The encoder assembly 5 is mainly used to detect the rotational speed of the transmission shaft 301 and can monitor the position changes of mechanical parts in real time, converting them into digital signals and feeding them back to the control system to control the overall towing state.

[0049] like Figure 1 , Figure 2 and Figure 3 As shown, the encoder assembly 5 includes a bracket 501, a rotating shaft 502, an encoder body 503, and a second transmission assembly 504. The bracket 501 is fixedly connected to the crossbeam 1 and is located near the end away from the drive motor 304. The encoder body 503 is mounted on the outside of the bracket 501. The rotating shaft 502 passes through the bracket 501 and can rotate relative to the bracket 501 around its own axis. One end of the rotating shaft 502 is connected to the input end of the encoder body 503, and the other end is connected to the transmission shaft 301 through the second transmission assembly 504.

[0050] As described above, the rotating shaft 502 and the transmission shaft 301 are parallel to each other. The torque of the transmission shaft 301 is transmitted to the rotating shaft 502 through the second transmission component 504, and then the rotating shaft 502 transmits the torque to the input end of the encoder body 503, so that the encoder body 503 can monitor the rotation speed of the transmission shaft 301 in real time.

[0051] The first transmission component 305 and the second transmission component 504 have the same structure, both adopting the existing sprocket transmission structure, including a driving sprocket, a driven sprocket, and a chain for connecting the two sprockets.

[0052] In encoder assembly 5, the driving sprocket is fixedly mounted on drive shaft 301, and the driven sprocket is fixedly mounted on rotating shaft 502; in drive mechanism 3, the driving sprocket is fixedly mounted on the output end of drive motor 304, and the driven sprocket is fixedly mounted on drive shaft 301; both achieve cross-axis torque transmission through chains and sprockets.

[0053] The difference between the two is that the first transmission component 305 is a speed-reducing structure, that is, the driving sprocket is smaller than the driven sprocket, the purpose of which is to transmit large torque and ensure that the towing system can smoothly drive the pallet to move; the second transmission component 504 is a speed-increasing structure, that is, the driving sprocket is larger than the driven sprocket, the purpose of which is to transmit the actual output torque of the drive motor 304.

[0054] In summary, this utility model proposes a pallet clamping and horizontal dragging system. The pallet is connected to the crossbeam 1 by flipping the clamping plate 403 of the clamping mechanism 4, and then the crossbeam 1 is moved horizontally by the driving mechanism 3, thereby realizing the dragging movement of the pallet. The system has a simple structure and is easy to operate. The flipping clamping method can stably drag the pallet into the silo or tower, improve work efficiency, save manpower, and reduce costs.

[0055] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0056] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0057] Based on the preferred embodiments of this utility model described above, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.

Claims

1. A pallet clamping and horizontal dragging system, characterized in that: It includes a crossbeam (1) and a drive mechanism (3) for driving the crossbeam (1) to move horizontally. A clamping mechanism (4) for connecting a pallet is installed on the crossbeam (1). The clamping mechanism (4) includes a support rod (401) fixedly connected to the crossbeam (1). One side of the support rod (401) is provided with a clamping plate (403) that can be flipped longitudinally to clamp or release the pallet.

2. The pallet clamping horizontal dragging system according to claim 1, characterized in that: The clamping mechanism (4) further includes a support (402) and a telescopic assembly (404). The support (402) is mounted on the support rod (401), and the telescopic assembly (404) is mounted on the crossbeam (1). The middle part of the clamping plate (403) is rotatably connected to the support (402), and the output end of the telescopic assembly (404) is rotatably connected to the lower part of the clamping plate (403).

3. The pallet clamping horizontal dragging system according to claim 2, characterized in that: The support (402) is fixedly installed at the bottom of the support rod (401), the clamp (403) is located on the front side of the support rod (401), and the telescopic component (404) is rotatably connected to the crossbeam (1) at one end opposite to the clamp (403).

4. The pallet clamping horizontal dragging system according to claim 1, characterized in that: The two ends of the crossbeam (1) are provided with support plates (2) opposite to each other, and the driving mechanism (3) is provided on the support plate (2).

5. The pallet clamping horizontal dragging system according to claim 4, characterized in that: The drive mechanism (3) includes a drive gear (302) rotatably mounted on the outside of the support plate (2), a guide wheel (306) rotatably mounted on one side of the drive gear (302), and a rack located between the drive gear (302) and the guide wheel (306).

6. The pallet clamping horizontal dragging system according to claim 5, characterized in that: The drive gears (302) on the two support plates (2) are connected by a transmission shaft (301). A drive motor (304) is installed on one side of the crossbeam (1). The output end of the drive motor (304) is connected to the transmission shaft (301) through a first transmission assembly (305).

7. The pallet clamping horizontal dragging system according to claim 6, characterized in that: The driving gear (302) is located below the guide wheel (306), and a driven gear (303) that meshes with the rack is rotatably mounted on one side of the driving gear (302).

8. The pallet clamping horizontal dragging system according to claim 7, characterized in that: A through groove is provided on the support plate (2), and a follower wheel (307) is rotatably installed in the through groove. The outer circumferential surface of the follower wheel (307) protrudes from the support plate (2) and fits against the side of the rack.

9. The pallet clamping horizontal dragging system according to claim 6, characterized in that: The drive shaft (301) is parallel to the crossbeam (1), and an encoder assembly (5) for detecting the rotational speed of the drive shaft (301) is also installed on the crossbeam (1).

10. The pallet clamping horizontal dragging system according to claim 9, characterized in that: The encoder assembly (5) includes a bracket (501) fixedly connected to the crossbeam (1). A rotating shaft (502) and an encoder body (503) are mounted on the bracket (501). The rotating shaft (502) is parallel to the drive shaft (301), and one end of the rotating shaft (502) is connected to the input end of the encoder body (503), while the other end is connected to the drive shaft (301) through a second transmission assembly (504).