Ton bag unpacking device

By combining an electric heating and cutting device with multiple layers of dust-collecting barriers, the problems of low unpacking efficiency and dust in ton bags are solved, enabling a fast, shear-free unpacking process and ensuring a safe and healthy working environment.

CN223605951UActive Publication Date: 2025-11-28RIZHAO DONGYANG BEITE MASCH TECH CO LTD
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Patent Information

Application Number
CN202520244594.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-17
Publication Date
2025-11-28
Estimated Expiration
2035-02-17

AI Technical Summary

Technical Problem

The existing method of unpacking ton bags is inefficient and easily generates dust, which affects the health of workers.

Method used

By combining an electric heating and cutting device with a multi-layer dust-collecting barrier, the bottom of the ton bag is softened by the electric heating tube, and the dust is sucked away by the wedge-shaped support arm and the dust-collecting channel structure, so as to achieve quick unpacking without cutting.

Benefits of technology

It improves unpacking efficiency, avoids dust generation, and ensures an environmentally friendly and healthy working environment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223605951U_ABST
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Abstract

The utility model discloses a ton bag unpacking device, and relates to the technical field of ton bags, in particular to the ton bag unpacking device. Comprising a fixing frame, and an electric heating ironing and cutting device is arranged in the middle of the fixing frame; the electric heating ironing and cutting device comprises an electric heating pipe and a wedge-shaped supporting arm, a steel pipe is arranged on the periphery of the electric heating pipe, and the electric heating pipe is installed on the wedge-shaped supporting arm through the steel pipe. The interior of the wedge-shaped supporting arm is of a cavity structure, inclined dust collection gaps are evenly distributed in the left shoulder and the right shoulder of the wedge-shaped supporting arm, and the periphery of the wedge-shaped supporting arm communicates with the inner-layer dust collection channel ring. Inclined dust collection gaps are also uniformly distributed in the inner side wall of the inner-layer dust collection channel ring, a peripheral large loop is arranged on the periphery of the inner-layer dust collection channel ring, and pressure equalizing channels are uniformly distributed in four directions between the inner-layer dust collection channel ring and the peripheral large loop, so that three layers of dust removal barriers are formed. The ton bag unpacking device has the advantages that ton bags do not need to be sheared, unpacking efficiency is improved, flying dust is avoided, and environmental protection and health are achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ton bag technical field, especially a ton bag unpacking device. BACKGROUND

[0002] Ton bag is generally spun from polyester fiber such as polypropylene and polyethylene, and is a kind of flexible transport packaging container. Due to the advantages of ton bag such as moisture-proof, dust-proof, radiation-resistant and firm and safe, it is widely used in chemical industry, building materials, mineral resources and plastic industry. At present, ton bag is unpacked at discharge end, and various manual shearing, electric tool shearing and gravity cone tearing are used, which not only has low unpacking efficiency, but also produces flying dust during shearing, affecting the health of workers. UTILITY MODEL CONTENT

[0003] The utility model aims at providing a ton bag unpacking device to achieve the purpose of not needing to shear ton bag, improving unpacking efficiency, avoiding flying dust and being environmentally friendly and healthy.

[0004] The ton bag unpacking device provided by the utility model comprises a fixing frame, and the middle part of the fixing frame is provided with an electric heating cutting device; the electric heating cutting device comprises an electric heating pipe and a wedge-shaped supporting arm, a steel pipe is arranged on the periphery of the electric heating pipe, and the electric heating pipe is installed on the wedge-shaped supporting arm through the steel pipe; the inside of the wedge-shaped supporting arm is a cavity structure, the left and right shoulders of the wedge-shaped supporting arm are uniformly provided with inclined dust suction gaps, and the periphery of the wedge-shaped supporting arm is connected with an inner layer dust suction channel ring; the inner side wall of the inner layer dust suction channel ring is also uniformly provided with inclined dust suction gaps, the periphery of the inner layer dust suction channel ring is provided with an outer ring channel, and four direction uniform pressure channels are arranged between the inner layer dust suction channel ring and the outer ring channel, so as to form three levels of dust removal barriers.

[0005] Further, the upper end of the fixing frame is provided with a single-beam crane through a fixed rod, and an electric hoist is arranged on the single-beam crane.

[0006] Further, the wedge-shaped supporting arm is a wedge-shaped structure with a sharp upper end and a wide lower end, the number of the wedge-shaped supporting arms is 4-10, the 4-10 wedge-shaped supporting arms are arranged in spoke shape, one end of the wedge-shaped supporting arm is arranged on the inner layer dust suction channel ring, and the other end of the wedge-shaped supporting arm is arranged on the center supporting ring.

[0007] Further, the upper part of the electric heating cutting device is also provided with a guide horn mouth; and the outer ring channel is connected with a dust exhaust main pipe.

[0008] Further, the bottom of the fixing frame is provided with a supporting plate.

[0009] The ton bag unpacking device provided by the utility model has the following beneficial effects:

[0010] 1. The electric heating tube is installed in the steel pipe, and the steel pipe is installed on the wedge-shaped support arm, which can withstand the impact of ton bag unloading. The wedge-shaped support arm is arranged in a spoke shape, which can ensure that the ton bag after cutting is not broken into pieces and falls into the silo. The ton bag bottom is rapidly broken along the cutting seam under the combined action of high-temperature hot melting softening of the electric heating tube and internal expansion force, and the material is discharged to the silo under the fixed frame, completing a rapid unloading without cutting the ton bag, and improving the bag opening efficiency.

[0011] 2. The inside of the wedge-shaped support arm is a hollow structure, and the left and right shoulders are uniformly distributed with inclined dust suction gaps, forming the first dust suction barrier. The inner layer dust suction channel ring is communicated with the periphery of the wedge-shaped support arm, and the inner side wall is also uniformly distributed with inclined dust suction gaps, which is the second dust suction barrier. In order to ensure that the dust suction negative pressure in all directions is balanced, the outermost peripheral large ring channel is arranged, and the inner layer dust suction channel ring and the outermost peripheral large ring channel are uniformly distributed with pressure equalization channels in four directions, finally forming three levels of dust removal barrier. Most of the dust generated by bag breaking and unloading is sucked away at the same time, maintaining a good working environment, avoiding flying dust, and being environmentally friendly and healthy.

[0012] Once the high-temperature steel pipe of the electric heating tube contacts the ton bag bottom, the ton bag is softened and broken after being hot-melted, and is broken and opened in one time under the cooperation of the internal expansion force. The dust removal barrier and the ton bag above can block and absorb the flying dust in all directions. Therefore, the utility model has the positive effects of not needing to cut the ton bag, improving the bag opening efficiency, avoiding flying dust, and being environmentally friendly and healthy. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings disclose the specific embodiments of the utility model, wherein,

[0014] Figure 1 is a structural schematic view of the utility model;

[0015] Figure 2 is a structural schematic view of the electric heating cutting device of the utility model;

[0016] Figure 3 is a I-I sectional view of the utility model; Figure 2

[0017] Reference signs:

[0018] 1. Fixed frame; 11, single-beam crane; 12, electric hoist; 13, fixed rod; 14, support plate;

[0019] 2. Electric heating cutting device; 21, electric heating tube; 22, wedge-shaped support arm; 23, inner layer dust suction channel ring; 24, peripheral large ring channel; 25, pressure equalization channel; 26, center support ring; 27, guide horn; 28, dust exhaust main pipe. DETAILED DESCRIPTION ​

[0020] As Figures 1-3 shown, the ton bag unpacking device provided by the utility model, including fixed frame 1, the middle part of fixed frame 1 is provided with electric heat scalding cutting device 2;Electric heat scalding cutting device 2 includes electric heating tube 21 and wedge-shaped support arm 22, the outer periphery of electric heating tube 21 is provided with steel pipe, electric heating tube 21 is installed on wedge-shaped support arm 22 through steel pipe;The inside of wedge-shaped support arm 22 is cavity structure, the left and right shoulders of wedge-shaped support arm 22 are evenly distributed with oblique dust suction gap, the periphery of wedge-shaped support arm 22 is connected with inner layer dust suction channel ring 23;The inner side wall of inner layer dust suction channel ring 23 is also evenly distributed with oblique dust suction gap, the periphery of inner layer dust suction channel ring 23 is provided with outer periphery large ring channel 24, the middle of inner layer dust suction channel ring 23 and outer periphery large ring channel 24 is evenly distributed with pressure equalizing channel 25 in four directions, forming three levels of dust removal barrier.

[0021] The utility model in using, first, the ton bag filled with sandstone and other materials is transferred to the top of fixed frame 1, and the induced draft cloth bag dust removal chamber outdoor unit is started, when dust exhaust main pipe 28, outer periphery large ring channel 24, pressure equalizing channel 25, inner layer dust suction channel ring 23 and wedge-shaped support arm 22 jointly establish stable adsorption area, electric heating tube 21 is powered on and preheated.Then, when the surface temperature of seamless steel pipe of electric heating tube 21 rises to 400 DEG C or more, the ton bag that needs to unload is transferred to the wedge-shaped support arm 22 of electric heat scalding cutting device 2. It is not necessary to completely support the weight of ton bag on wedge-shaped support arm 22, only need to keep 70% of lifting strength. In this way, it is guaranteed that the ton bag still presents vertical state, the ton bag bottom does not slide in contact with the seamless steel pipe of the outer periphery of electric heating tube 21, and enough external expansion force is ensured. After staying for a while, the ton bag bottom is rapidly collapsed along the cutting seam under the combined action of high-temperature hot melting softening of electric heating tube 21 and internal external expansion force, and sandstone and other materials are unloaded into the bunker under the lower part of fixed frame 1, completing a rapid unloading, without cutting ton bag, improving unpacking efficiency. At the same time, since the upper end of the bag breaking part is covered by the ton bag, and the dust adsorption gap set by the inner layer dust suction channel ring 23 and wedge-shaped support arm 22 around, most of the dust generated by bag breaking and unloading can be sucked away at the same time, maintaining a good working environment and avoiding the generation of flying dust, environmental protection and health.

[0022] The upper end of the above-mentioned fixed frame 1 is provided with a single-beam crane 11 through a fixing rod 13, and an electric hoist 12 is arranged on the single-beam crane 11. The ton bag filled with sandstone and other materials is hung on the hook of the electric hoist 12 and is transferred to the top of the fixed frame 1 through the single-beam crane 11, improving the unpacking efficiency of the ton bag.

[0023] The wedge-shaped support arms 22 are wedge-shaped structures with the top narrow and the bottom wide, the number of the wedge-shaped support arms 22 is 4-10, the 4-10 wedge-shaped support arms 22 are arranged in the spoke shape, one end of the wedge-shaped support arms 22 is arranged on the inner layer dust suction channel ring 23, and the other end of the wedge-shaped support arms 22 is arranged on the center support ring 26. The electric heating pipe 21 adopts single-end wiring, which is convenient for maintenance and replacement. The electric heating pipe 21 is installed in the seamless steel pipe, and the seamless steel pipe is installed on the wedge-shaped support arm 22, which can withstand the impact of ton bag unloading. The wedge-shaped support arms 22 are arranged in the spoke shape, which can ensure that the ton bag after cutting is not dropped into the silo.

[0024] The upper part of the electric heating cutting device 2 is further provided with a guide horn 27; the guide horn 27 is convenient for the ton bag to be accurately positioned in the lifting position. The outer peripheral large ring channel 24 is connected with a dust exhaust main pipe 28. The dust exhaust main pipe 28 is connected with an induced draft bag dust removal chamber external machine, and the induced draft bag dust removal chamber external machine is started, so that the dust exhaust main pipe 28, the outer peripheral large ring channel 24, the pressure equalization channel 25, the inner layer dust suction channel ring 23 and the wedge-shaped support arm 22 jointly establish a stable adsorption area, most of the dust generated by the broken bag unloading is simultaneously sucked, a good working environment is maintained, flying dust is avoided, and environmental protection and health are achieved.

[0025] The bottom of the fixing frame 1 is provided with a support plate 14. The support plate 14 can improve the stability of the fixing frame 1.

[0026] The electric heating pipe 21 temperature is implemented closed-loop control under the control of the PLC, and different ton bags are set with corresponding cutting temperatures. According to the plastic ignition point, an ultrahigh temperature upper limit monitoring device is arranged, and a "blowout blind plate" is further arranged at the outlet of the total dust suction pipeline, so that the fire safety is realized. An infrared safety alarm detection system is further arranged in the transport vehicle and the working personnel activity area, so that the safe operation is ensured.

[0027] The technical scheme of the utility model is not limited to the scope of the embodiments of the utility model, and the technical content not described in detail in the utility model is known technology.

Claims

1. A ton bag unpacking device comprising a fixing frame (1), characterized in that, The middle part of the fixing frame (1) is provided with an electric hot cutting device (2); the electric hot cutting device (2) comprises an electric heating pipe (21) and a wedge-shaped support arm (22), the outer periphery of the electric heating pipe (21) is provided with a steel pipe, and the electric heating pipe (21) is installed on the wedge-shaped support arm (22) through the steel pipe; the inside of the wedge-shaped support arm (22) is a cavity structure, the left and right shoulders of the wedge-shaped support arm (22) are uniformly provided with inclined dust suction gaps, and the periphery of the wedge-shaped support arm (22) is connected with an inner layer dust suction channel ring (23); the inner side wall of the inner layer dust suction channel ring (23) is also uniformly provided with inclined dust suction gaps, the periphery of the inner layer dust suction channel ring (23) is provided with an outer peripheral large ring channel (24), and the inner layer dust suction channel ring (23) and the outer peripheral large ring channel (24) are uniformly provided with uniform pressure channels (25) in four directions in the middle.

2. The bale unpacking apparatus of claim 1, wherein The upper end of the fixing frame (1) is provided with a single-beam crane (11) through a fixing rod (13), and the single-beam crane (11) is provided with an electric hoist (12).

3. The bale unpacking apparatus of claim 1, wherein, The wedge-shaped support arm (22) is a wedge-shaped structure with a sharp upper end and a wide lower end, the number of the wedge-shaped support arms (22) is 4-10, the 4-10 wedge-shaped support arms (22) are arranged in a spoke shape, one end of the wedge-shaped support arm (22) is arranged on the inner layer dust suction channel ring (23), and the other end of the wedge-shaped support arm (22) is arranged on a center support ring (26).

4. The bale unpacking apparatus of claim 1, wherein, The upper part of the electric hot cutting device (2) is further provided with a guide horn (27); and the outer peripheral large ring channel (24) is connected with a dust exhaust main pipe (28).

5. The bale unpacking apparatus of claim 1 wherein, The bottom of the fixing frame (1) is provided with a support plate (14).