Packaging bag lifting and shaping device

Abstract

The utility model relates to a packaging bag lifting and shaping device which comprises a packaging bag, a shaping rack, a lifting support, lifting hooks and lifting hook folding devices, the lifting support is arranged in the shaping rack in a lifting mode, and the two lifting hooks and the two lifting hook folding devices are symmetrically arranged on the lower side of the lifting support. The lifting hooks are connected with the lifting support in a sliding mode and driven by the lifting hook folding devices on the corresponding sides to move horizontally, and packaging bag lifting rings are arranged on the two sides of the upper end of the packaging bag and hooked through the lifting hooks on the corresponding sides respectively. The packaging bag lifting rings on the two sides of the upper end of the packaging bag are hooked and folded through relative movement of the lifting hooks on the two sides, then the packaging bag is integrally lifted to achieve natural hanging shaping, operation is easy and convenient, the packaging bag shaping efficiency is improved, and meanwhile the packaging bag shaping effect can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the field of packaging equipment, and particularly relates to a packaging bag lifting and shaping device. Background Art

[0002] In many fields, it is necessary to use packaging bags to package product materials. However, after the packaging bags complete the loading operation, due to the influence of the internal materials, their external shapes will change irregularly. Therefore, in many cases, it is necessary to shape the loaded packaging bags so that the shapes of each packaging bag tend to be consistent, which can facilitate the subsequent process operations.

[0003] For example, a patent with the authorization announcement number CN218368737U discloses a packaging bag pressure shaping machine, which is provided with a moving mechanism and two pressure roller belts. The device shapes the packaging bag through the pressure roller belts and adjusts the use height of the pressure roller belts through the moving mechanism, so as to be applicable to different packaging bags. However, this device mainly shapes the local bulges of the packaging bag through the pressure roller belts, rather than shaping the whole packaging bag.

[0004] Another example is that a patent with the authorization announcement number CN215970347U also discloses a packaging bag shaping device, which clamps the packaging bag with a front baffle and a rear baffle, and then the controller controls the compaction cylinder to push the material compaction plate forward to achieve the purpose of compacting the packaging bag. However, the purpose of this device is not only shaping but also needs to exhaust the gas in the packaging bag, and then the packaging bag enters the heat sealer for heat sealing.

[0005] Another example is that a patent with the authorization announcement number CN202429413U discloses another packaging bag shaping device, which uses a prismatic vibration roller to vibrate the packaging bag filled with materials during transportation, so that the whole packaging bag gradually becomes balanced, and then after being pressed by a flattening mechanism, the whole packaging bag becomes flat, which will be very convenient for subsequent mechanical palletizing or handling. However, the vibration roller of this device usually needs to be powered on to achieve vibration, and its energy consumption is relatively large.

[0006] A patent with the authorization announcement number CN219750938U discloses a shaping and lifting conveyor for salt packaging bags, which uses an electric push rod to drive two groups of push plates to move relative to each other to complete the position correction adjustment of the packaging bag, and then the packaging bag enters the shaping transmission space formed by the first conveyor belt and the second conveyor belt to further complete the shaping action of the packaging bag. However, salt packaging bags are usually small in volume, so this device is not suitable for shaping larger volume models of packaging bags, especially the ton packaging bags disclosed in the patent CN203889376U.

[0007] In addition, the above-mentioned packaging bag shaping devices are all designed for packaging bags with conventional structures, while for double-ring packaging bags disclosed in patents such as CN203889376U and CN215099531U, a completely different shaping method can be adopted. Utility Model Content

[0008] The utility model aims to provide a packaging bag lifting and shaping device, which hooks on both sides of the upper end of the packaging bag to hook and gather the packaging bag rings, and then lift the packaging bag as a whole to achieve natural hanging shaping. The operation is simple and convenient, the shaping efficiency of the packaging bag is improved, and the shaping effect of the packaging bag can also be guaranteed.

[0009] The purpose of this utility model is achieved through the following technical solutions:

[0010] A packaging bag lifting and shaping device comprises a packaging bag, a shaping frame, a lifting bracket, a hook and a hook gathering device, wherein the lifting bracket is arranged in the shaping frame in a liftable manner, two hooks and two hook gathering devices are symmetrically arranged on the lower side of the lifting bracket, and the hooks are slidably connected to the lifting bracket and driven to move horizontally by the hook gathering devices on the corresponding sides, and packaging bag rings are arranged on both sides of the upper end of the packaging bag, and the packaging bag rings are respectively hooked by the hooks on the corresponding sides.

[0011] The hook comprises a hook vertical section, a hook connecting section and a hook horizontal section which are connected in sequence, wherein the hook vertical section is slidably connected to the lifting bracket and is driven to move by a hook retracting device, and the packaging bag lifting ring is hooked on the hook horizontal section.

[0012] When the hooks on both sides move inward into position, the horizontal sections of the two hooks are staggered, and the hook connecting sections of the two hooks form an acute-angle groove for accommodating the lifting rings of the packaging bags on both sides, and the lower corner end of the acute-angle groove is located at the central axis of the packaging bag.

[0013] The vertical section of the hook is fixed on the hook slide, and the hook slide is slidably connected to the lifting bracket, and the power shaft end of the hook retracting device is fixedly connected to the hook slide.

[0014] The vertical section of the hook is fixed on the hook sliding seat through a hook fixing bolt.

[0015] The shaping frame is provided with a lifting drive device, and the lifting bracket is driven to rise and fall by the lifting drive device.

[0016] A lifting connecting rod is provided on the upper side of the lifting bracket, and the upper end of the lifting connecting rod is connected to the corresponding lifting beam. Each lifting driving device is vertically fixed to the upper end of the shaping frame, and both ends of the lifting beam are respectively installed on the corresponding lifting driving device.

[0017] The advantages and positive effects of the utility model are:

[0018] 1. The utility model relatively moves the hooks on both sides to hook and gather the packaging bag hanging rings on both sides of the upper end of the packaging bag, and then lifts the packaging bag as a whole to achieve natural hanging shaping. The operation is simple and convenient, and the shaping efficiency of the packaging bag is improved.

[0019] 2. The hook of the utility model includes a hook vertical section, a hook connecting section and a hook horizontal section which are connected in sequence, wherein when the hooks on both sides are moved inwardly into position, the hook horizontal sections of the two hooks are staggered, and at the same time, the hook connecting sections of the two hooks form an acute-angle groove for accommodating the lifting rings of the packaging bags on both sides, and the lower corner end of the acute-angle groove is located at the center of the packaging bag, so that it can be ensured that the two lifting rings of the packaging bags are gathered to the middle position of the upper side of the packaging bag to form an isosceles triangle shape, thereby ensuring that the outer shape of the packaging bags naturally stacked on the conveyor belt device after being released can have sufficient consistency to facilitate subsequent process operations, that is, to ensure the shaping quality of the packaging bags.

[0020] 3. The lifting bracket, lifting drive device and other structures of the utility model can be integrated on a shaping frame, and its overall structure is simple and compact, and will not occupy too much site area. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the utility model.

[0022] Figure 2 for Figure 1 Enlarged diagram of the middle hook.

[0023] Figure 3 for Figure 1 In the A-direction view,

[0024] Figure 4 for Figure 3 The upper part of the utility model is enlarged in the figure.

[0025] Among them, 1 is a shaping frame, 2 is a lifting bracket, 3 is a lifting drive device, 4 is a hook folding device, 5 is a hook, 501 is a hook vertical section, 502 is a hook connecting section, 503 is a hook horizontal section, 504 is a hook slide seat, 505 is an acute-angle groove, 6 is a packaging bag, 601 is a packaging bag lifting ring, 7 is a conveyor belt device, 8 is a lifting beam, and 9 is a lifting connecting rod. DETAILED DESCRIPTION

[0026] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0027] like Figures 1 to 4As shown in the figure, the utility model includes a packaging bag 6, a shaping frame 1, a lifting bracket 2, a hook 5 and a hook retracting device 4. The lifting bracket 2 is vertically movable in the shaping frame 1. Two hooks 5 and two hook retracting devices 4 are symmetrically arranged on the lower side of the lifting bracket 2. The hook 5 is slidably connected to the lifting bracket 2 and driven to move horizontally by the corresponding hook retracting device 4. As Figure 2 shown, suspension rings 601 are provided on both sides of the upper end of the packaging bag 6. The suspension rings 601 are respectively hooked by the corresponding hooks 5 on both sides. Then, the two hooks 5 are driven to move inward by the corresponding hook retracting devices 4 on both sides so that the upper ends of the suspension rings 601 on both sides are retracted to the middle position on the upper side of the packaging bag 6. Then, the lifting bracket 2 rises and the packaging bag 6 is lifted by the hook 5. At this time, the packaging bag 6 is naturally vertically placed and shaped under the action of gravity. Then, the hook 5 and the suspension ring 601 of the packaging bag are kept in a retracted state, and the packaging bag 6 is placed back on the lower conveyor belt device 7 through the lowering action of the lifting bracket 2. In this way, the shapes of the packaging bags 6 after lifting and shaping tend to be consistent. The two suspension rings 601 on the upper side of each packaging bag 6 are retracted to the middle position on the upper side of the packaging bag 6 to form the same isosceles triangle shape, which can ensure to the greatest extent that the shapes of the packaging bags 6 are stacked on the conveyor belt device 7 after being released are sufficiently consistent.

[0028] As Figure 2 shown, in this embodiment, the hook 5 includes a hook vertical section 501, a hook connection section 502 and a hook horizontal section 503 connected in sequence. The hook vertical section 501 is slidably connected to the lifting bracket 2 and driven to move by the hook retracting device 4. The suspension ring 601 of the packaging bag is hooked on the hook horizontal section 503. When the two hooks 5 on both sides move inward in place, the hook horizontal sections 503 of the two hooks 5 are staggered. At the same time, the hook connection sections 502 of the two hooks 5 form an acute-angle groove 505 for accommodating the suspension rings 601 on both sides. And the lower corner end of the acute-angle groove 505 is located at the central axis position of the packaging bag 6, so as to ensure that the upper ends of the suspension rings 601 on both sides are exactly located at the middle position above the packaging bag 6 after being completely retracted, that is, the suspension rings 601 on both sides form an isosceles triangle. The lengths of the hook vertical section 501, the hook connection section 502 and the hook horizontal section 503 are set according to the actual situation of the suspension ring 601 of the packaging bag and other conditions.

[0029] As Figure 2As shown, in this embodiment, the vertical section 501 of the lifting hook is fixedly arranged on the lifting hook sliding seat 504. Pulley wheels are arranged on both sides of the lifting hook sliding seat 504 and are matched with the sliding grooves on the lifting support 2 to achieve sliding connection. The lifting hook folding device 4 can adopt linear driving devices such as air cylinders, oil cylinders, and electric push rods, and the power shaft end of the lifting hook folding device 4 is fixedly connected to the corresponding side of the lifting hook sliding seat 504. The vertical section 501 of the lifting hook can be fixed on the lifting hook sliding seat 504 through lifting hook fixing bolts. In this way, the utility model can replace the lifting hook 5 with a suitable specification according to actual needs. After the lifting hook fixing bolts are unscrewed, the lifting hook 5 can be disassembled.

[0030] As Figure 1 and Figures 3 to 4 shown, in this embodiment, a lifting driving device 3 is arranged on the shaping frame 1, and the lifting support 2 is driven to lift and lower by the lifting driving device 3.

[0031] As Figures 3 to 4 shown, in this embodiment, a lifting connecting rod 9 is arranged on the upper side of the lifting support 2, and the upper end of the lifting connecting rod 9 is connected to the corresponding lifting beam 8. Each lifting driving device 3 is vertically and fixedly arranged at the upper end of the shaping frame 1, and both ends of the lifting beam 8 are respectively installed on the corresponding lifting driving devices 3. The lifting driving device 3 can adopt linear driving devices such as air cylinders, oil cylinders, and electric push rods according to actual needs, and both ends of the lifting beam 8 are fixed to the power shaft ends of the corresponding lifting driving devices 3.

[0032] As Figures 3 to 4 shown, in this embodiment, four lifting driving devices 3 and two lifting beams 8 are arranged on the upper side of the shaping frame 1, and both ends of each lifting beam 8 are respectively supported by two lifting driving devices 3 on the corresponding side. Two lifting connecting rods 9 are arranged on the lower side of each lifting beam 8 and are fixedly connected to the corresponding side of the lifting support 2. Through the above structural design, the utility model can ensure the stable lifting of the lifting support 2, and further ensure the stable lifting and shaping of the packaging bag 6.

[0033] The working principle of the utility model is as follows:

[0034] As Figure 1 shown, a conveyor belt device 7 is arranged at the lower end of the shaping frame 1, and the conveyor belt device 7 is a commercially available product.

[0035] As Figures 1 to 4As shown, when the utility model is working, the lifting bracket 2 first descends to the set height to ensure that the hook 5 can hook the packaging bag ring 601. At this time, the set height of the lifting bracket 2 can be adjusted according to the height of the packaging bag ring 601 on the packaging bag 6. In addition, at this time, the two hooks 5 are in an open state to ensure that the packaging bag 6 can enter the shaping station. After the sealed packaging bag 6 is transported to the shaping station in the shaping frame 1 through the conveyor belt device 7, the two hooks 5 are driven to move inward by the hook retracting device 4 on the corresponding side so that the packaging bag rings 601 on both sides are retracted in the middle position on the upper side of the packaging bag 6, and then The rear lifting bracket 2 rises and lifts up the packaging bag 6 through the hook 5. At this time, the packaging bag 6 is naturally hung and shaped by gravity. After the packaging bag 6 is hung for a set time, the hook 5 and the packaging bag ring 601 remain in a retracted state and the packaging bag 6 is placed back on the conveyor belt device 7 on the lower side through the descending action of the lifting bracket 2. In this way, the appearance of the packaging bag 6 after lifting and shaping tends to be consistent, and the two packaging bag rings 601 are gathered to the middle position on the upper side of the packaging bag 6 to form an isosceles triangle shape, which can maximize the guarantee that the appearance of the packaging bag 6 naturally stacked on the conveyor belt device 7 after being released has sufficient consistency.

[0036] In addition, in order to ensure that the center line of the packaging bag 6 is aligned with the lower corner end of the acute-angle groove 505 formed by the intersection of the two hooks 5 when entering the shaping station, the utility model can set a position correction mechanism in the previous process according to actual needs. For example, the mechanism of patent CN219750938U can be used to use an electric push rod to drive two sets of push plates to move relative to each other to achieve packaging bag position correction and adjustment. This can further ensure the consistency of the appearance of the packaging bag 6 after lifting and shaping.

Claims

1. A packaging bag lifting and shaping device, characterized in that: The invention comprises a packaging bag (6), a shaping frame (1), a lifting bracket (2), a hook (5) and a hook collecting device (4), wherein the lifting bracket (2) is arranged in the shaping frame (1) in a liftable manner, two hooks (5) and two hook collecting devices (4) are symmetrically arranged on the lower side of the lifting bracket (2), and the hooks (5) are slidably connected to the lifting bracket (2) and driven to move horizontally by the hook collecting devices (4) on the corresponding sides, and packaging bag lifting rings (601) are arranged on both sides of the upper end of the packaging bag (6), and the packaging bag lifting rings (601) are respectively hooked by the hooks (5) on the corresponding sides.

2. The packaging bag lifting and shaping device according to claim 1, characterized in that: The hook (5) comprises a hook vertical section (501), a hook connecting section (502) and a hook horizontal section (503) which are connected in sequence, wherein the hook vertical section (501) is slidably connected to the lifting bracket (2) and is driven to move by the hook retracting device (4), and the packaging bag lifting ring (601) is hooked on the hook horizontal section (503).

3. The packaging bag lifting and shaping device according to claim 2, characterized in that: When the hooks (5) on both sides are moved inwards to their proper positions, the horizontal hook sections (503) of the two hooks (5) are arranged in a staggered manner, and at the same time, the hook connecting sections (502) of the two hooks (5) form an acute angle groove (505) for accommodating the packaging bag rings (601) on both sides, and the lower corner end of the acute angle groove (505) is located at the central axis position of the packaging bag (6).

4. The packaging bag lifting and shaping device according to claim 2, characterized in that: The hook vertical section (501) is fixed on the hook slide (504), and the hook slide (504) is slidably connected to the lifting bracket (2), and the power shaft end of the hook retracting device (4) is fixedly connected to the hook slide (504).

5. The packaging bag lifting and shaping device according to claim 4, characterized in that: The hook vertical section (501) is fixed on the hook sliding seat (504) via a hook fixing bolt.

6. The packaging bag lifting and shaping device according to claim 1, characterized in that: The shaping frame (1) is provided with a lifting drive device (3), and the lifting bracket (2) is driven to rise and fall by the lifting drive device (3).

7. The packaging bag lifting and shaping device according to claim 6, characterized in that: A lifting connection rod (9) is provided on the upper side of the lifting bracket (2), and the upper end of the lifting connection rod (9) is connected to the corresponding lifting beam (8), each lifting drive device (3) is vertically fixed to the upper end of the shaping frame (1), and the two ends of the lifting beam (8) are respectively installed on the corresponding lifting drive device (3).

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