Ton bag lifting and unloading device

By designing a ton bag lifting and unloading device, and using a hydraulic cylinder to drive the support plate to lift and the negative pressure machine to discharge materials, the problem of laborious ton bag discharge is solved, achieving efficient and labor-saving material discharge and reducing material residue and waste.

CN224015240UActive Publication Date: 2026-03-20CHONGZHOU JUNJIAN PLASTIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

The discharge of ton bags is laborious and inconvenient, and existing technologies cannot discharge materials efficiently and effortlessly, resulting in material residue and waste.

Method used

Design a ton bag lifting and unloading device, including a gantry frame, a lifting device and a discharge device. The device uses a hydraulic cylinder to drive the support plate to rise and fall, and combines a negative pressure machine and a filter to achieve the lifting of the ton bag and the efficient discharge of materials.

Benefits of technology

It reduces the labor intensity of workers, achieves efficient and complete discharge of ton-bag materials, and reduces material residue and waste.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224015240U_ABST
    Figure CN224015240U_ABST
Patent Text Reader

Abstract

The utility model relates to a discharging device, and particularly discloses a ton bag lifting and discharging device which comprises a portal frame, a lifting device arranged on the portal frame and a discharging device arranged under the lifting device. The lifting device comprises a pair of supporting plates arranged on the two sides of the portal frame correspondingly, supporting blocks arranged at the two ends of the supporting plates, hooks arranged on the supporting blocks and a driving device used for driving the supporting plates to ascend and descend. Four corners of the ton bag are respectively hung on the four hooks; the discharging device comprises a discharging hopper and a discharging pipe arranged below the discharging hopper; and the opening end of the ton bag is arranged in the discharge hopper. According to the ton bag lifting and unloading device, materials in the ton bag can be efficiently and fully discharged in a labor-saving mode.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of unloading devices, in particular to a ton bag lifting and unloading device. BACKGROUND

[0002] A ton bag refers to a packaging bag used for containing or transferring large weight and large volume materials, which is usually used for containing granular materials. Since it has large weight and can contain a large amount of materials, it is used more and more widely. The advantage of a ton bag is that it can contain a large amount of materials at one time, so it does not need to frequently change the packaging bag when loading. However, the problem is that it is very inconvenient to discharge the materials. Since it has large volume and weight, it is very troublesome and laborious for workers to operate. The common discharging methods are not very suitable, such as the method of directly sucking materials from the ton bag by using a suction pipe. It also needs to be manually operated by workers, and it is difficult to fully suck the materials at the later stage of sucking, resulting in the residue and waste of materials. In this process, the workers need to constantly adjust the position of the ton bag, so it is necessary to design a more efficient, labor-saving and full discharging unloading device. SUMMARY

[0003] The purpose of the present application is to provide a ton bag lifting and unloading device which can efficiently, labor-savingly and fully discharge the materials in the ton bag.

[0004] The present application is achieved by the following technical scheme: The ton bag lifting and unloading device of the present application comprises a portal frame, a lifting device provided on the portal frame, and a discharging device provided directly below the lifting device; the lifting device comprises a pair of support plates provided on both sides of the portal frame respectively, support blocks provided on both end portions of the support plates, hooks provided on the support blocks, and a driving device for driving the support plates to lift and lower; the four corners of the ton bag are hung on the four hooks respectively; the discharging device comprises a discharging hopper and a discharging pipe provided below the discharging hopper; the open end of the ton bag is provided in the discharging hopper.

[0005] Further, the driving device comprises a pair of hydraulic cylinders fixed on both sides of the portal frame respectively; one of the hydraulic cylinders is provided below one of the support plates; the hydraulic cylinders are vertically arranged and the extension rods of the hydraulic cylinders abut against the lower side of the support plates.

[0006] Further, the discharging device further comprises a negative pressure machine connected with the discharging pipe, and a filter provided on the discharging pipe.

[0007] Further, the discharging device further comprises a support frame for supporting the discharging hopper, and a plurality of universal wheels provided on the lower side of the support frame.

[0008] Further, a horizontally arranged swing arm is connected to the side of the support frame, and the swing arm is hinged to the portal frame through a hinge.

[0009] Further, a horizontally arranged anti-falling rod is arranged on the portal frame, and the anti-falling rod is arranged between the support plate and the material discharging device.

[0010] Further, the ton bag comprises an outer bag and an inner bag; the four corners of the outer bag are hung on the hooks; a traction device for pulling the inner bag is further included; the traction device comprises a pull rope and a pull ring arranged at one end of the pull rope; the end of the pull rope away from the pull ring is connected to the upper end of the inner bag after passing through one of the hooks.

[0011] Further, the lifting device further comprises a pressure sensor arranged between the telescopic rod of the hydraulic cylinder and the support plate.

[0012] Further, a limit sensor is arranged at the upper end of the portal frame.

[0013] The ton bag lifting and discharging device has at least the following advantages and beneficial effects: the ton bag lifting and discharging device provided by the present application can effectively reduce the labor intensity of workers and can more efficiently and fully discharge the material in the ton bag through the discharging of the material from the bottom. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The ton bag lifting and discharging device provided by the present application is shown in the structure diagram from one perspective.

[0015] Figure 2 The ton bag lifting and discharging device provided by the present application is shown in the structure diagram from another perspective.

[0016] Icon: 10-portal frame, 11-anti-falling rod, 12-limit sensor, 20-lifting device, 21-support plate, 22-support block, 23-hook, 24-driving device, 241-hydraulic cylinder, 25-pressure sensor, 26-pull rope, 27-pull ring, 30-material discharging device, 31-material discharging hopper, 32-material discharging pipe, 33-filtering device, 34-support frame, 35-swing arm, 40-ton bag, 41-outer bag, 42-inner bag. DETAILED DESCRIPTION

[0017] Embodiment

[0018] The present application will be further described below in combination with specific embodiments, as shown in the accompanying drawings Figure 1 -Figure 2 As shown, the ton bag lifting and unloading device in the embodiment comprises a portal frame 10, a lifting device 20 arranged on the portal frame 10, and a discharging device 30 arranged directly below the lifting device 20; the lifting device 20 comprises a pair of support plates 21 arranged on the two sides of the portal frame 10 respectively, support blocks 22 arranged on the two end portions of the support plates 21, hooks 23 arranged on the support blocks 22, and a driving device 24 for driving the support plates 21 to ascend and descend; the four corners of a ton bag 40 are hung on the four hooks 23 respectively; the discharging device 30 comprises a discharging hopper 31 and a discharging pipe 32 arranged below the discharging hopper 31; the open end of the ton bag 40 is arranged in the discharging hopper 31. Specifically, in use, the four corners of the ton bag 40 are hung on the four hooks 23, then the ton bag 40 is lifted up by using the driving device 24, then the discharging hopper 31 is moved to be directly below the ton bag 40, the open side of the ton bag 40 is opened and inserted into the discharging hopper 31, so that the material in the ton bag 40 can be discharged through the discharging hopper 31 and the discharging pipe 32. In this way, by discharging from below, not only the labor intensity of workers can be effectively reduced, but also the material in the ton bag 40 can be discharged more efficiently and completely.

[0019] The driving device 24 in the embodiment comprises a pair of hydraulic cylinders 241 fixedly arranged on the two sides of the portal frame 10 respectively; one hydraulic cylinder 241 is arranged below one support plate 21; the hydraulic cylinder 241 is vertically arranged and the telescopic rod of the hydraulic cylinder 241 abuts against the lower side of the support plate 21. Specifically, the support plates 21 are synchronously driven to ascend and descend by the pair of hydraulic cylinders 241, so that the lifting and downward movement of the ton bag 40 can be realized.

[0020] The discharging device 30 in the embodiment further comprises a negative pressure machine connected with the discharging pipe 32, and a filter arranged on the discharging pipe 32. Specifically, the material can be sucked out more quickly by the negative pressure machine, and part of impurities can be filtered by the filter.

[0021] The discharging device 30 in the embodiment further comprises a support frame 34 for supporting the discharging hopper 31, and a plurality of universal wheels arranged on the lower side of the support frame 34. Specifically, the discharging hopper 31 and the discharging pipe 32 can be more conveniently moved by arranging the support blocks 22 and the universal wheels.

[0022] The support frame 34 in the embodiment is connected with a horizontally arranged swing arm 35 on the side edge, and the swing arm 35 is hinged with the portal frame 10. Specifically, the position of the discharging hopper 31 can be better controlled by the swing arm 35, in the process of lifting the ton bag 40, the discharging hopper 31 can be moved to other positions by the swing arm 35, and after the ton bag 40 is lifted up, the discharging hopper 31 can be moved to be directly below the ton bag 40 by the swing arm 35.

[0023] The gantry 10 in the embodiment is provided with a horizontally arranged anti-falling rod 11, which is arranged between the support plate 21 and the discharging device 30.

[0024] The ton bag 40 in the embodiment comprises an outer bag 41 and an inner bag 42; the four corners of the outer bag 41 are hung on the hooks 23; and the ton bag 40 further comprises a traction device for pulling the inner bag 42; the traction device comprises a pull rope 26 and a pull ring 27 arranged at one end of the pull rope 26; the end of the pull rope 26 away from the pull ring 27 is connected to the upper end of the inner bag 42 after passing through one of the hooks 23. Specifically, in the later stage of discharging, the inner bag 42 in the ton bag 40 can be tightened by pulling the pull ring 27 through the pull rope 26, so that the material in the inner bag 42 can be discharged more fully.

[0025] The lifting device 20 in the embodiment further comprises a pressure sensor 25 arranged between the telescopic rod of the hydraulic cylinder 241 and the support plate 21. Specifically, the weight of the ton bag 40 can be roughly judged by the pressure sensor 25.

[0026] The upper end of the gantry 10 in the embodiment is provided with a limit sensor 12. Specifically, the limit sensor 12 is mainly used to avoid the ton bag 40 from contacting the upper end of the gantry 10, and it can stop the hydraulic cylinder 241 by using infrared distance measurement or pressure sensing.

[0027] In summary, the ton bag lifting and discharging device in the embodiment is used as follows: the four corners of the ton bag 40 are hung on the four hooks 23, then the ton bag 40 is lifted up by using the driving device 24, then the discharging hopper 31 is moved to be directly below the ton bag 40, the opening side of the ton bag 40 is opened and inserted into the discharging hopper 31, so that the material in the ton bag 40 can be discharged through the discharging hopper 31 and the discharging pipe 32. In this way, the labor intensity of workers can be effectively reduced by discharging from below, and the material in the ton bag 40 can be discharged more efficiently and completely.

[0028] The above is only a preferred embodiment of the present application and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A ton bag lifting and unloading device, characterized in that: It includes a gantry frame (10), a lifting device (20) disposed on the gantry frame (10), and a discharge device (30) disposed directly below the lifting device (20); The lifting device (20) includes a pair of support plates (21) respectively located on both sides of the gantry frame (10), support blocks (22) located at both ends of the support plates (21), hooks (23) located on the support blocks (22), and a driving device (24) for driving the support plates (21) to rise and fall; the four corners of the ton bag (40) are respectively hung on the four hooks (23); The discharge device (30) includes a discharge hopper (31) and a discharge pipe (32) located below the discharge hopper (31); the open end of the ton bag (40) is located in the discharge hopper (31).

2. The ton bag lifting and unloading device according to claim 1, characterized in that: The drive device (24) includes a pair of hydraulic cylinders (241) respectively fixed on both sides of the gantry (10); one of the hydraulic cylinders (241) is located below a support plate (21); the hydraulic cylinder (241) is vertically arranged and the telescopic rod of the hydraulic cylinder (241) abuts against the lower side of the support plate (21).

3. The ton bag lifting and unloading device according to claim 1, characterized in that: The discharge device (30) also includes a negative pressure machine connected to the discharge pipe (32) and a filter disposed on the discharge pipe (32).

4. The ton bag lifting and unloading device according to claim 3, characterized in that: The discharge device (30) also includes a support frame (34) for supporting the discharge hopper (31) and a plurality of casters located on the underside of the support frame (34).

5. The ton bag lifting and unloading device according to claim 4, characterized in that: The support frame (34) is connected to a horizontally arranged swing arm (35) on its side, and the swing arm (35) is hinged to the gantry frame (10) via a hinge.

6. The ton bag lifting and unloading device according to claim 1, characterized in that: The gantry frame (10) is provided with a horizontally arranged anti-fall bar (11), which is located between the support plate (21) and the discharge device (30).

7. The ton bag lifting and unloading device according to claim 1, characterized in that: The ton bag (40) includes an outer bag (41) and an inner bag (42); the four corners of the outer bag (41) are hung on the hooks (23); It also includes a traction device for pulling the inner bag (42); the traction device includes a pull rope (26) and a pull ring (27) at one end of the pull rope (26); the end of the pull rope (26) away from the pull ring (27) passes through one of the hooks (23) and is connected to the upper end of the inner bag (42).

8. The ton bag lifting and unloading device according to claim 2, characterized in that: The lifting device (20) also includes a pressure sensor (25) located between the telescopic rod of the hydraulic cylinder (241) and the support plate (21).

9. The ton bag lifting and unloading device according to claim 1, characterized in that: The upper end of the gantry frame (10) is equipped with a limit sensor (12).