Clamping mechanism for lifting charging bucket and lifting device

Abstract

The clamping mechanism comprises a bearing platform, a positioning frame and clamping pieces, the positioning frame is connected to the upper surface of the bearing platform, the positioning frame is in a U-shaped opening shape, the U-shaped opening of the positioning frame is matched with the charging bucket, and the clamping pieces are connected to the upper surface of the bearing platform and distributed on the periphery of the positioning frame. The utility model provides a material tank lifting device, which realizes multi-point accurate and stable positioning of a material tank, overcomes the defects of a traditional simple mechanical fixing mode, avoids deviation of the material tank due to manual rough alignment and ensures production continuity, and meanwhile, the utility model further provides a lifting device for lifting the material tank. The transportation space of the lifting device provides an accommodating and operating space for the clamping mechanism, the lifting units evenly distributed on the periphery can make the clamping mechanism reciprocate in the space in the longitudinal direction, and the position sensor on one side wall of the transportation space can accurately monitor the position of the clamping mechanism; and it is ensured that the charging bucket can be operated according to the preset position and flow in the lifting process.

Description

Technical Field

[0001] This utility model relates to the field of positioning clamping devices, specifically to a clamping mechanism and lifting device for lifting material tanks. Background Technology

[0002] In industrial production, material handling and lifting are crucial processes, especially when handling containers such as tanks, where the precision and stability required for placement and lifting are extremely high. For example, in the production of neodymium iron boron powder, tanks need to be accurately transferred and positioned between different processes to ensure efficient and safe production.

[0003] Traditional material tank handling and lifting equipment suffers from numerous shortcomings in the placement and positioning of the fixed frame. In the placement stage, the lack of effective guiding devices often relies on rough manual alignment, making the frame prone to misalignment. This affects the accuracy of subsequent processes, reduces production efficiency, and increases the uncertainty and labor intensity of manual operation. Regarding fixed frame positioning, most equipment uses simple mechanical fixing methods, making it difficult to achieve precise and stable positioning of the four legs of the fixed frame at multiple points. This results in the fixed frame easily swaying and shifting during lifting, affecting production continuity, posing safety hazards, and potentially causing material tank spillage, equipment damage, and other problems.

[0004] With the rapid development of industrial automation, higher requirements have been placed on the precision, stability, and safety of material handling and lifting equipment. Therefore, developing a mechanism that can accurately guide and securely position a fixed frame is key to solving existing technical problems and improving industrial production efficiency and quality, and has significant practical significance and application value. Utility Model Content

[0005] The purpose of this utility model is to provide a clamping mechanism and lifting device for lifting material tanks. By using clamping parts distributed around the positioning frame, the material tank can be accurately and stably positioned at multiple points, which overcomes the shortcomings of the traditional simple mechanical fixing method, avoids the material tank from being misaligned due to manual rough alignment, and ensures the continuity of production.

[0006] This utility model is achieved through the following technical solution:

[0007] A clamping mechanism for lifting a material tank includes:

[0008] Platform;

[0009] A positioning frame is connected to the upper surface of the support platform. The positioning frame has a U-shaped opening, and the U-shaped opening of the positioning frame matches the material tank.

[0010] A clamping element is connected to the upper surface of the bearing platform and distributed around the positioning frame. When the material tank is placed in the positioning frame, the clamping element clamps the material tank.

[0011] In this solution, the support platform provides a foundation for the entire mechanism, while the positioning frame matches the material tank through a U-shaped opening, which can accurately guide the placement of the material tank and avoid deviation. At the same time, clamping parts are distributed around the positioning frame to perform multi-point precise and stable positioning of the material tank. After the material tank is placed in place, it is clamped, thereby achieving stable positioning and fixation of the material tank and solving the problem of traditional equipment lacking an effective guiding device in the placement of the fixing frame.

[0012] As a further embodiment of the clamping mechanism, the positioning frame includes a fixing frame and a first baffle.

[0013] The fixing frame is connected to the upper surface of the bearing platform and forms a U-shaped frame. The first baffle is inclinedly connected to the upper end of the fixing frame, and the free end of the first baffle extends outward from the U-shaped frame.

[0014] In this design, the U-shaped frame formed by the fixed bracket provides positioning space for the material tank. The first baffle, which is inclined and extends outward from its free end, not only enhances the guiding effect of the positioning frame on the material tank, making it easier for the material tank to fall accurately into the positioning frame, but also prevents the material tank from jumping out of the positioning frame due to accidental collision during placement, thereby further improving the accuracy and stability of the positioning frame in positioning the material tank.

[0015] As a further embodiment of the clamping mechanism, the positioning frame also includes a pair of second baffles, which are respectively connected to the openings of the U-shaped frame.

[0016] In this design, since the paired second baffles are connected to the opening of the U-shaped frame, the second baffles can play an auxiliary guiding role when the material tank is placed, so that the material tank can enter the predetermined position of the positioning frame more accurately.

[0017] As a further embodiment of the clamping mechanism, the clamping components are arranged in pairs and sequentially distributed on both sides of the positioning frame. The clamping components include a stop arm, a rotating shaft, a top rod, a drive motor, and a limiting rod.

[0018] The output end of the drive motor is connected to the top rod, and the other end of the top rod is rotatably connected to the stop arm. One end of the limiting rod is connected to the side end of the drive motor, and the other end of the limiting rod is connected to the middle of the stop arm through the rotating shaft to form a connecting rod structure. When the drive motor drives the top rod to extend or retract, the stop arm clamps or releases the material tank.

[0019] In this solution, the clamping components arranged in pairs on both sides of the positioning frame can apply force to the material tank from both sides simultaneously, ensuring the stability and balance of the clamping. When the drive motor drives the top rod to extend or retract, the connecting rod structure drives the stop arm to clamp or release the material tank, realizing effective control of the clamping and releasing actions of the material tank. This ensures that the material tank is firmly fixed during the lifting process, while also allowing for flexible operation to meet the clamping needs of the material tank under different working conditions.

[0020] As a further embodiment of the clamping mechanism, the clamping mechanism also includes a through-beam fiber optic sensor for monitoring the position and status of the material tank. The through-beam fiber optic sensor is connected to the U-shaped cavity of the positioning frame and located at the rear end of the positioning frame.

[0021] In this design, a through-beam fiber optic sensor is installed in the U-shaped cavity at the rear of the positioning frame to monitor the position and status of the material container. During the placement of the material container into the positioning frame, it accurately detects whether the container has reached the predetermined position, providing a precise trigger signal for the clamping operation.

[0022] As a further embodiment of the clamping mechanism, the clamping mechanism also includes a proximity switch, with each of the clamping members connected to the proximity switch.

[0023] In this solution, when the material can is placed in the positioning frame, the proximity switch can sense whether the material can is close enough to the clamping element to reach the appropriate position. This ensures that the clamping operation is performed at the most appropriate time and avoids problems such as inaccurate positioning or insecure clamping caused by clamping too early or too late, thus improving the operational accuracy and reliability of the entire clamping mechanism. Simultaneously, the proximity switch also serves as a safety feature, providing timely feedback in case of abnormal situations, such as material can displacement or incorrect placement, to prevent damage to the material can or equipment from the clamping element.

[0024] As a further embodiment of the lifting device, a frame and a clamping mechanism are also included;

[0025] The frame has a transport space in the middle to accommodate the clamping mechanism. Lifting units are evenly distributed around the transport space. The clamping mechanism reciprocates longitudinally in the transport space through the lifting units.

[0026] Furthermore, a wiring box is provided on one side wall of the transport space, and a position sensor is provided on the wiring box. When the clamping mechanism moves to a predetermined position, the clamping member releases its positioning of the material tank.

[0027] In this design, the transport space in the middle of the frame provides room for the clamping mechanism to operate. The lifting units evenly distributed around the perimeter allow the clamping mechanism to reciprocate longitudinally within this space, thus enabling the lifting and lowering of the material tank. The wiring box and its position sensor on one side wall of the transport space accurately monitor the position of the clamping mechanism. When the clamping mechanism moves to the predetermined position, the position sensor sends a signal, causing the clamping components to release their grip on the material tank. This achieves automated control, ensuring that the material tank operates according to the predetermined position and process during lifting. This improves the automation level and efficiency of the lifting device, while also guaranteeing operational accuracy and reliability, avoiding various problems caused by human error.

[0028] As a further embodiment of the lifting device, the lifting device also includes a pair of counterweight units, which are located on both sides of the frame and connected to the bearing platform through guide wheels provided on the frame, and the movement direction of the counterweight units is opposite to the movement direction of the bearing platform.

[0029] In this solution, by using the counterweight unit and the load-bearing platform to move in opposite directions, the load-bearing platform can be made more stable during lifting by utilizing the principle of physical balance. This reduces swaying or instability caused by weight imbalance, and helps the lifting device to operate more smoothly and efficiently.

[0030] As a further embodiment of the lifting device, the counterweight unit includes a limiting plate and a counterweight;

[0031] One end of the limiting plate is connected to the side end of the frame, and the other end of the limiting plate is provided with a protrusion with an I-shaped radial cross section. The counterweight is provided with a groove that matches the protrusion. When the clamping mechanism moves longitudinally, the counterweight moves along the limiting plate.

[0032] In this design, a limiting plate and a counterweight with a matching groove are used to precisely guide and stabilize the counterweight. One end of the limiting plate is connected to the frame, and the I-shaped protrusion at the other end engages with the counterweight groove. During the longitudinal movement of the clamping mechanism, this provides a precise trajectory for the counterweight, ensuring that it can only move along the limiting plate. This effectively prevents instability such as swaying or offset during counterweight movement, allowing the counterweight to better balance the weight of the platform.

[0033] As a further embodiment of the lifting device, the counterweight unit also includes a sliding assembly, which includes a first set of directional wheels and a second set of directional wheels;

[0034] The first directional wheel set and the second directional wheel set are both spaced apart in the groove of the counterweight, and the rotation axes of the first directional wheel set and the second directional wheel set are arranged orthogonally.

[0035] In this design, the first and second directional wheel sets are spaced apart in the grooves of the counterweight, and their rotation axes are orthogonally arranged, which helps to make the movement of the counterweight smoother and more stable. The orthogonally arranged directional wheel sets can provide support and guidance in different directions, reduce the friction and resistance of the counterweight unit during movement, and avoid jamming.

[0036] Compared with the prior art, this utility model has the following advantages and beneficial effects:

[0037] 1. This utility model uses a U-shaped positioning frame that matches the material tank to accurately guide the placement of the material tank. The fixing frame, the first baffle, and the second baffle of the positioning frame work together to effectively prevent the material tank from shifting during placement, thereby improving placement accuracy and reducing the uncertainty and labor intensity of manual operation.

[0038] 2. The clamping components of this utility model are arranged in pairs on both sides of the positioning frame. Through the linkage structure composed of the stop arm, rotating shaft, top rod, drive motor and limit rod, the material tank can be reliably clamped to ensure that the material tank is firm and stable during the lifting process, prevent shaking and displacement, and eliminate safety hazards.

[0039] 3. The lifting unit in the lifting device of this utility model enables the clamping mechanism to move longitudinally back and forth in the transport space. Combined with the evenly distributed layout on all four sides, it ensures the stability of the lifting process. Furthermore, the counterweight unit moves in the opposite direction to the bearing platform to balance the weight distribution, reduce swaying, reduce the drive power requirement, and extend the service life of the device components. Attached Figure Description

[0040] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:

[0041] Figure 1 A schematic diagram of the clamping mechanism provided by this utility model;

[0042] Figure 2 A top view of the clamping mechanism provided by this utility model;

[0043] Figure 3 A schematic diagram of the clamping component structure provided by this utility model;

[0044] Figure 4 A front view diagram of the clamping mechanism holding the material tank;

[0045] Figure 5 A schematic diagram of the rear structure when the clamping mechanism clamps the material tank;

[0046] Figure 6 A schematic diagram of the lifting device structure provided by this utility model;

[0047] Figure 7 This is a schematic diagram of the lifting device when it is clamping the material tank;

[0048] Figure 8 A schematic diagram of the structure when the lifting device transports the material tank to its position;

[0049] Figure 9 This is a schematic diagram of the counterweight unit.

[0050] Figure 10 This is a schematic diagram of the counterweight structure.

[0051] The attached diagram shows the markings and corresponding component names:

[0052] 1-Bearing platform, 2-Clamping component, 21-Stop arm, 22-Rotating shaft, 23-Top rod, 24-Drive motor, 25-Limiting rod, 3-Positioning frame, 31-Fixed frame, 32-First baffle, 33-Second baffle, 4-Through-beam fiber optic sensor, 5-Proximity switch, 6-Material tank, 7-First fixing ring, 8-Buffer assembly, 9-Counterweight unit, 91-Counterweight, 92-Sliding assembly, 921-Connecting plate, 922-First directional wheel group, 923-Second directional wheel group, 10-Second fixing ring, 11-Guide wheel, 12-Jack box, 13-Limiting plate, 14-Guide rope. Detailed Implementation

[0053] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of this utility model are only used to explain this utility model and are not intended to limit this utility model.

[0054] Example 1

[0055] This embodiment 1 provides a clamping mechanism for lifting material tanks, such as... Figures 1-2 As shown, it includes a support platform 1, a positioning frame 3, and a clamping component 2;

[0056] Please refer to Figures 1-2 and Figures 4-5As shown, the positioning frame 3 is connected to the upper surface of the support platform 1. The positioning frame 3 has a U-shaped opening, and the U-shaped opening of the positioning frame 3 matches the material tank 6. Specifically, the positioning frame 3 includes a fixing frame 31 and a first baffle 32. The fixing frame 31 is connected to the upper surface of the support platform 1 and forms a U-shaped frame. The first baffle 32 is inclinedly connected to the upper end of the fixing frame 31, and the free end of the first baffle 32 extends outward from the U-shaped frame. This not only enhances the guiding effect of the positioning frame 3 on the material tank 6, but also prevents the material tank 6 from jumping out of the positioning frame 3 due to accidental collision during placement to a certain extent. At the same time, in order to make the material tank 6 enter the predetermined position of the positioning frame 3 more accurately, a pair of second baffles 33 are connected at the opening of the U-shaped frame. The second baffles 33 are inclined outward and are trumpet-shaped, which plays an auxiliary guiding role for the material tank 6.

[0057] Please refer to Figures 1-2 and Figure 3 As shown, clamping components 2 are connected to the upper surface of the bearing platform 1 and distributed around the positioning frame 3. Specifically, clamping components 2 are arranged in pairs and sequentially on both sides of the positioning frame 3. The clamping components 2 include a stop arm 21, a rotating shaft 22, a top rod 23, a drive motor 24, and a limiting rod 25. The output end of the drive motor 24 is connected to the top rod 23, and the other end of the top rod 23 is rotatably connected to the stop arm 21 through a movable shaft. One end of the limiting rod 25 is connected to the side end of the drive motor 24, and the other end of the limiting rod 25 is connected to the middle part of the stop arm 21 through the rotating shaft 22 to form a connecting rod structure. When the drive motor 24 drives the top rod 23 to extend or retract, the stop arm 21 clamps or releases the material tank 6.

[0058] In this embodiment, the positioning frame 3 matches the material tank 6 through a U-shaped opening, which can accurately guide the material tank 6 to be placed and avoid deviation. At the same time, the clamping parts 2 are distributed around the positioning frame 3 to achieve multi-point accurate and stable positioning of the material tank 6. After the material tank 6 is placed in place, it is clamped, thereby achieving stable positioning and fixation of the material tank 6.

[0059] Example 2

[0060] This embodiment 2 provides another clamping mechanism for lifting material tanks based on the technical solution of embodiment 1, such as... Figures 1-5 As shown, this embodiment also includes a through-beam fiber optic sensor 4 and a proximity switch 5 for monitoring the position and status of the material tank 6. The through-beam fiber optic sensor 4 is connected to the U-shaped cavity of the positioning frame 3 and located at the rear end of the positioning frame 3. Each clamping component 2 is connected to a proximity switch 5. In use, the through-beam fiber optic sensor 4 guides the material tank 6 to a preliminary position, and the proximity switch 5 performs the final precise confirmation. Subsequently, the external control system quickly starts the pneumatic clamping component 2 to achieve a tight connection between each operation link, effectively improving the operating efficiency of the equipment.

[0061] Example 3

[0062] This embodiment 3 provides a lifting device for lifting material tanks based on the technical solution of embodiment 1 or embodiment 2, such as... Figures 6-8 As shown, the device includes a frame and the clamping mechanism in the above embodiment. A transport space for accommodating the clamping mechanism is provided in the middle of the frame. Lifting units are evenly distributed around the transport space. The clamping mechanism moves longitudinally back and forth in the transport space through the lifting units.

[0063] Specifically, in this embodiment, the lifting unit includes four sets of guide components and one set of drive components according to actual needs. All guide components are evenly distributed around the transportation space and form a T-shaped groove guide rail structure with the lower end of the carrying platform 1. The guide components provide stable guidance from multiple directions to limit the degree of freedom of the carrying platform 1. The drive component is connected to the lower end of the carrying platform 1. The carrying platform 1 reciprocates along the guide components through the drive component. Here, the driving method of the carrying platform 1 can be the existing gear meshing drive mechanism or the hydraulic drive mechanism.

[0064] In this embodiment, in order to accurately monitor the position of the clamping mechanism, a wiring box 12 is installed on one side wall of the transport space. A position sensor is installed on the wiring box 12. When the clamping mechanism moves to the predetermined position, the clamping member 2 releases the positioning of the material tank 6, ensuring that the material tank 6 can operate according to the predetermined position and process during the lifting process, thereby improving the automation level and working efficiency of the lifting device.

[0065] Meanwhile, in order to ensure that the carrying platform 1 is more stable during the lifting process, the lifting device also includes a pair of counterweight units 9. The counterweight units 9 are located on both sides of the frame and are connected to the carrying platform 1 through guide wheels 11 set on the frame. The movement direction of the counterweight units 9 is opposite to the movement direction of the carrying platform 1. When the carrying platform 1 rises or falls, the counterweight units 9 can automatically adjust their position according to their movement state to prevent safety hazards caused by unstable center of gravity.

[0066] Specifically, please refer to Figures 8-10 As shown, the counterweight unit 9 includes a limiting plate 13 and a counterweight 91. One end of the limiting plate 13 is connected to the side of the frame, and the other end of the limiting plate 13 is provided with a protrusion with an I-shaped radial cross-section. The counterweight 91 has a groove that matches the protrusion. The counterweight 91 and the bearing platform 1 are respectively connected to a first fixing ring 7 and a second fixing ring 10. One end of the guide rope 14 is connected to the first fixing ring 7, and the other end of the guide rope 14 is connected to the second fixing ring 10 through a guide wheel 11. When the bearing platform 1 moves longitudinally, the counterweight 91 moves along the limiting plate 13.

[0067] Furthermore, to prevent unnecessary rotation or offset of the counterweight 91 during movement, the counterweight unit 9 also includes a sliding component 92. The sliding component 92 includes a first directional wheel set 922 and a second directional wheel set 923. Both the first directional wheel set 922 and the second directional wheel set 923 include a pair of directional wheels. The first directional wheel set 922 and the second directional wheel set 923 are spaced apart in the groove of the counterweight 91 through a connecting plate 921. At the same time, the rotation axis directions of the first directional wheel set 922 and the second directional wheel set 923 are orthogonally arranged to effectively limit the degree of freedom of the counterweight 91, prevent unnecessary rotation or offset during movement, and make the movement trajectory of the counterweight 91 more stable.

[0068] Meanwhile, in some embodiments, such as Figures 6-8 As shown, multiple sets of buffer components 8 are arranged at the bottom of the transport space. The upper end of the buffer component 8 faces the lower end of the bearing platform 1. Specifically, the buffer component 8 is a spring damper, and all buffer components 8 are fixed to the bottom of the transport space by expansion screws. Multiple evenly distributed buffer components 8 can effectively disperse the impact force and avoid poor buffering effect or damage to device components due to excessive local force.

[0069] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of this utility model. It should be understood that the above description is only a specific embodiment of this utility model and is not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.

Claims

1. A clamping mechanism for lifting a material tank, characterized in that, include: Platform (1); Positioning frame (3), the positioning frame (3) is connected to the upper surface of the bearing platform (1), the positioning frame (3) is U-shaped opening, and the U-shaped opening of the positioning frame (3) matches the material tank (6); Clamping member (2) is connected to the upper surface of the bearing platform (1) and distributed around the positioning frame (3). When the material tank (6) is placed in the positioning frame (3), the clamping member (2) clamps the material tank (6).

2. The clamping mechanism for lifting a material tank according to claim 1, characterized in that, The positioning frame (3) includes a fixing frame (31) and a first baffle (32); The fixing frame (31) is connected to the upper surface of the bearing platform (1) and forms a U-shaped frame. The first baffle (32) is inclinedly connected to the upper end of the fixing frame (31), and the free end of the first baffle (32) extends outward from the U-shaped frame.

3. The clamping mechanism for lifting a material tank according to claim 2, characterized in that, The positioning frame (3) also includes a pair of second baffles (33), which are respectively connected to the opening of the U-shaped frame.

4. The clamping mechanism for lifting a material tank according to claim 1, characterized in that, The clamping components (2) are arranged in pairs and sequentially on both sides of the positioning frame (3). The clamping components (2) include a stop arm (21), a rotating shaft (22), a top rod (23), a drive motor (24), and a limiting rod (25). The output end of the drive motor (24) is connected to the top rod (23), and the other end of the top rod (23) is rotatably connected to the stop arm (21). One end of the limiting rod (25) is connected to the side end of the drive motor (24), and the other end of the limiting rod (25) is connected to the middle part of the stop arm (21) through the rotating shaft (22) to form a connecting rod structure. When the drive motor (24) drives the top rod (23) to extend or retract, the stop arm (21) clamps or releases the material tank (6).

5. A clamping mechanism for lifting a material tank according to claim 4, characterized in that, The clamping mechanism also includes a through-beam fiber optic sensor (4) for monitoring the position and status of the material tank (6). The through-beam fiber optic sensor (4) is connected to the U-shaped cavity of the positioning frame (3) and located at the rear end of the positioning frame (3).

6. A clamping mechanism for lifting a material tank according to claim 5, characterized in that, The clamping mechanism also includes a proximity switch (5), and each of the clamping members (2) is connected to the proximity switch (5).

7. A lifting device for lifting material tanks, characterized in that, Includes a frame and a clamping mechanism for lifting a material tank according to any one of claims 1-6; The frame has a transport space in the middle to accommodate the clamping mechanism. Lifting units are evenly distributed around the transport space. The clamping mechanism reciprocates longitudinally in the transport space through the lifting units. Furthermore, a wiring box (12) is provided on one side wall of the transport space. A position sensor is provided on the wiring box (12). When the clamping mechanism moves to the predetermined position, the clamping member (2) releases the positioning of the material tank (6).

8. A lifting device for lifting a material tank according to claim 7, characterized in that, The lifting device also includes a pair of counterweight units (9), which are located on both sides of the frame and connected to the bearing platform (1) via guide wheels (11) on the frame. The movement direction of the counterweight unit (9) is opposite to that of the bearing platform (1).

9. A lifting device for lifting a material tank according to claim 8, characterized in that, The counterweight unit (9) includes a limiting plate (13) and a counterweight (91); One end of the limiting plate (13) is connected to the side end of the frame, and the other end of the limiting plate (13) is provided with a protrusion with an I-shaped radial cross section. The counterweight (91) is provided with a groove that matches the protrusion. When the clamping mechanism moves longitudinally, the counterweight (91) moves along the limiting plate (13).

10. A lifting device for lifting a material tank according to claim 9, characterized in that, The counterweight unit (9) further includes a sliding assembly (92), which includes a first directional wheel set (922) and a second directional wheel set (923); The first directional wheel set (922) and the second directional wheel set (923) are both spaced apart in the groove of the counterweight (91), and the rotation axis directions of the first directional wheel set (922) and the second directional wheel set (923) are arranged orthogonally.

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