Automatic unpacking device

Abstract

The invention belongs to the technical field of automatic production, and relates to an automatic unpacking device which comprises a material bag notching mechanism and a material bag grabbing mechanism, and the material bag notching mechanism comprises a material bearing table, a first through groove, a second through groove and a longitudinal notching assembly; the transverse cutting assembly comprises a transverse cutter which is vertically arranged in the second through groove, the upper portion of the transverse cutter is located above the material bearing table, and the lower portion of the transverse cutter is located below the material bearing table; the second rotating piece is connected with the longitudinal cutter; and the horizontal reciprocating motion assembly is used for driving the transverse cutting assembly to horizontally reciprocate along the second through groove. A material bag can be driven by the material bag grabbing mechanism to move longitudinally, an I-shaped notch can be cut in the lower portion of the material bag through cooperation of a longitudinal cutter and a transverse cutter capable of transversely moving along the material bearing table, the four ends of the two transverse notches are made to be close to the four corners of the material bag, the area of the notches is enlarged, and the cutting efficiency is improved. Therefore, materials at the four corners in the material bag are completely unloaded.

Description

Technical Field

[0001] The invention belongs to the technical field of automated production and relates to an automatic unpacking device. Background Art

[0002] Material bags are a kind of flexible transport packaging container, generally made of polyester fibers such as polypropylene and polyethylene, with the characteristics of simple structure, light weight, foldable, small recycling space, low price, etc. Material bags have been widely used in the packaging and transportation of various powdery, granular and blocky items such as chemicals, building materials, plastics and minerals. With the help of cranes or forklifts, they can be transported in containers.

[0003] At present, when unloading material bags, automatic unpacking devices are often used, including a grabbing mechanism and a bag breaking mechanism. The bag breaking mechanism is provided with a cross cutter. The grabbing mechanism grabs the material bag, and then the grabbing mechanism moves to the bag breaking mechanism, and then the cross cutter on the bag breaking mechanism cuts a cross-shaped incision on the lower part of the material bag to complete the unpacking. However, due to the limited gap of the cross-shaped incision relative to the material bag, a small amount of material is likely to remain at the four corners of the material bag, resulting in the material in the material bag cannot be completely unloaded, reducing the unloading effect. Summary of the invention

[0004] The object of the present invention is to provide an automatic unpacking device, which can completely unload the materials in the material bag, avoid a small amount of material remaining in the four corners of the material bag, and improve the unloading effect.

[0005] To achieve the above purpose, the specific technical solution of an automatic unpacking device provided by the present invention is as follows:

[0006] An automatic unpacking device includes a material bag cutting mechanism, a material bag grabbing mechanism is arranged above the material bag cutting mechanism, and the material bag cutting mechanism includes:

[0007] The material receiving platform has a first through slot and a second through slot on its upper portion, wherein the first through slot is longitudinally arranged and one end of the first through slot is close to one end of the material receiving platform, and the second through slot is transversely arranged and located close to the other end of the first through slot;

[0008] The longitudinal cutting assembly comprises: a longitudinal cutting knife vertically arranged in the first through slot, the upper end of the longitudinal cutting knife being located above the material receiving platform, and the lower part of the longitudinal cutting knife being located below the material receiving platform; a first rotating member connected to the longitudinal cutting knife;

[0009] The transverse cutting assembly comprises: a transverse cutting knife vertically arranged in the second through slot, the upper part of the transverse cutting knife being located above the material receiving platform, and the lower part of the transverse cutting knife being located below the material receiving platform; a second rotating member connected to the longitudinal cutting knife;

[0010] The horizontal reciprocating moving component is arranged below the material receiving platform, and is used for driving the transverse cutting component to move horizontally reciprocatingly along the second through groove, so that the material bag grabbing mechanism drives the material bag to move longitudinally along the upper surface of the material receiving platform, and the longitudinal cutting component cuts a longitudinal incision in the lower part of the material bag and gradually increases the length of the longitudinal incision as the material bag moves, and then the transverse cutting component is started respectively at the positions of the lower part of the material bag near the two ends of the longitudinal incision, and two transverse incisions are cut at the positions of the lower part of the material bag near the two ends of the longitudinal incision.

[0011] The present invention is also characterized in that:

[0012] The horizontal reciprocating moving component includes: a transverse cutter base, which is horizontally arranged below the second through groove; two transverse cutter guide rails, which are horizontally arranged on the upper part of the transverse cutter base; a nut block, which is arranged between the two transverse cutter guide rails and is slidably connected to the two transverse cutter guide rails; a transverse cutter lead screw, which is horizontally arranged between the two transverse cutter guide rails, and the two ends of the transverse cutter lead screw are respectively rotatably connected to the transverse cutter base, the transverse cutter lead screw passes through the nut block, and one end of the transverse cutter lead screw is connected to a driving member; a transverse cutter mounting seat, which is arranged on the upper part of the nut block, the transverse cutter mounting seat is connected to the nut block, and the transverse cutter and the second rotating member are both arranged on the transverse cutter mounting seat.

[0013] The first rotating member includes: a longitudinal cutter mounting seat, which is arranged below the first through slot, and the longitudinal cutter is rotationally connected to the longitudinal cutter mounting seat through a longitudinal rotating shaft; a longitudinal cutter motor, which is arranged on the longitudinal cutter mounting seat, and the output end of the longitudinal cutter motor is connected to the longitudinal rotating shaft.

[0014] The material bag grabbing mechanism includes: a grabbing frame, which is arranged above the material receiving table; a longitudinal movement platform, which is arranged on the upper part of the grabbing frame and is connected to the grabbing frame in a longitudinal sliding manner, and a longitudinal movement component is arranged on the longitudinal movement platform; a transverse movement platform, which is arranged on the longitudinal movement platform and is connected to the longitudinal movement platform in a transverse sliding manner, and a transverse movement component is arranged on the transverse movement platform; a bag grabbing structure, which is arranged below the longitudinal movement platform and is used to grab the material bag; a lifting structure, which is arranged between the bag grabbing structure and the longitudinal movement platform and is used to drive the bag grabbing structure to move up and down.

[0015] The longitudinal moving component includes: two longitudinal moving guide rails, which are arranged horizontally at the upper part of the grabbing frame and are respectively close to the two lateral ends of the longitudinal moving platform; four longitudinal moving rollers, which are arranged at the lower part of the longitudinal moving platform and are respectively close to the two longitudinal moving guide rails in pairs, each longitudinal moving roller is rotatably connected to the longitudinal moving platform, and each longitudinal moving roller is slidably connected to the corresponding longitudinal moving guide rail; a longitudinal moving transmission shaft, which is arranged horizontally at the lower part of the longitudinal moving platform and is located close to two of the longitudinal moving rollers, and the longitudinal moving transmission shaft is connected to the corresponding two longitudinal moving rollers; a longitudinal moving motor, which is arranged at the lower part of the longitudinal moving platform and is located close to one end of the longitudinal moving transmission shaft, and the output end of the longitudinal moving motor is connected to the end of the longitudinal moving transmission shaft.

[0016] The transverse moving component includes: two transverse moving guide rails, which are horizontally arranged on the upper part of the longitudinal moving platform and are located close to the longitudinal sides of the transverse moving platform; a transverse moving rack, which is horizontally arranged on the upper part of the longitudinal moving platform and is located between the two transverse moving guide rails; four transverse moving rollers, which are arranged at the lower part of the transverse moving platform and are respectively close to the two transverse moving guide rails, each transverse moving roller is rotatably connected to the transverse moving platform, and each transverse moving roller is slidably connected to the corresponding transverse moving guide rail; a transverse moving motor, which is arranged at the lower part of the transverse moving platform, and the output end of the transverse moving motor is provided with a transverse moving gear, and the transverse moving gear is located close to the transverse moving rack, and the transverse moving gear is meshed with the transverse moving rack.

[0017] The lifting structure includes: two lifting side plates, a through groove is opened on the transverse platform, the two lifting side plates are vertically arranged in the through groove, and the lower ends of the two lifting side plates are connected to the bag grabbing structure; a first mounting plate and a second mounting plate are horizontally arranged between the two lifting side plates, the first mounting plate is respectively connected to the upper ends of the two lifting side plates, and the second mounting plate is respectively connected to the lower ends of the two lifting side plates; a moving plate is horizontally arranged between the two lifting side plates, the two sides of the moving plate are respectively connected to the two lifting side plates for sliding along the vertical direction, and the two ends of the moving plate are respectively connected to the inner walls of the through groove; a lifting screw is vertically arranged between the two lifting side plates, the two ends of the lifting screw are respectively connected to the first mounting plate and the second mounting plate for rotation, the lifting screw passes through the moving plate and is threadedly connected to the moving plate; a lifting motor is arranged on the upper part of the first mounting plate, and the output end of the lifting motor is connected to the upper end of the lifting screw.

[0018] It also includes a material bag conveyor belt, which is arranged at one end of the material receiving platform close to the longitudinal cutter, and a material feeding port is arranged at the other end of the material receiving platform. A material packaging recovery component is arranged at the upper part of the equipment base close to the lateral side of the material feeding port.

[0019] The packaging recycling component includes: a recycling bin, wherein recycling columns are vertically arranged at the four corners of the lower part, wherein two recycling columns are connected by a horizontally arranged cross bar near their lower ends, and the recycling bin is a funnel-shaped structure; a toothed plate and a movable pressure plate, which are arranged at the lower opening of the recycling bin, the toothed plate and the movable pressure plate are V-shaped, the upper end of the toothed plate is connected to the recycling bin, the lower end of the toothed plate is a sawtooth structure, the upper end of the movable pressure plate is rotatably connected to the recycling bin, the lower end of the movable pressure plate contacts the lower end of the toothed plate, and the movable pressure plate is close to the cross bar; an electric push rod, which is obliquely arranged between the movable pressure plate and the cross bar, the upper end of the electric push rod is hinged to the movable pressure plate, and the lower end of the electric push rod is hinged to the cross bar.

[0020] An automatic unpacking device of the present invention has the following advantages:

[0021] First, through the cooperation of the material receiving platform, the longitudinal cutter, the transverse cutter, the first rotating member, the second rotating member, the horizontal reciprocating moving component and the material bag grabbing mechanism, the material bag can be driven to move longitudinally through the material bag grabbing mechanism, and through the cooperation of the longitudinal cutter and the transverse cutter that can move laterally along the material receiving platform, an I-shaped incision can be cut in the lower part of the material bag, so that the four ends of the two transverse incisions are close to the four corners of the material bag, thereby expanding the area of ​​the incision, so that the materials in the four corners of the material bag can be completely unloaded, avoiding a small amount of material remaining in the four corners of the material bag, and improving the unloading effect.

[0022] Second, through the cooperation of the longitudinal moving platform, the transverse moving platform, the lifting structure, the longitudinal moving component, the transverse moving component and the material packaging recovery component, the material package can be driven to move in three-dimensional space, so that the material package can be quickly recovered through the material packaging recovery component after unloading, avoiding the material package from getting stuck on the material package grabbing mechanism, thereby improving the unpacking efficiency of the material package. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the overall structure of the material bag cutting mechanism in the present invention;

[0025] Figure 3 It is a schematic diagram of the overall structure of the horizontal reciprocating moving assembly in the present invention;

[0026] Figure 4 It is a schematic diagram of the overall structure of the first rotating member in the present invention;

[0027] Figure 5 It is a schematic diagram of the overall structure of the material bag grabbing mechanism in the present invention;

[0028] Figure 6 It is a schematic diagram of the overall structure of the longitudinal moving assembly in the present invention;

[0029] Figure 7 It is a schematic diagram of the overall structure of the lateral moving component in the present invention;

[0030] Figure 8 It is a schematic diagram of the overall structure of the lifting structure in the present invention;

[0031] Fig. 9 It is a schematic diagram of the overall structure of the packet capture structure in the present invention;

[0032] Fig.10 It is a schematic diagram of the overall structure of the packaging recycling component in the present invention;

[0033] Fig.11 It is a structural schematic diagram of the first working process in the present invention;

[0034] Fig.12 It is a structural schematic diagram of the second working process in the present invention;

[0035] Fig.13 It is a structural schematic diagram of the third working process in the present invention;

[0036] Fig.14 It is a structural schematic diagram of the fourth working process in the present invention;

[0037] Fig.15 It is a schematic diagram of the I-shaped incision structure of the present invention.

[0038] Reference numerals:

[0039] 1. Material bag grabbing mechanism; 1-1. Grabbing frame; 1-1-1. Support column; 1-1-2. Longitudinal beam; 1-1-3. Horizontal beam; 1-1-4. Longitudinal guide rail; 1-2. Longitudinal platform; 1-2-1. Horizontal guide rail; 1-2-2. Longitudinal motor; 1-2-3. Horizontal rack; 1-2-4. Longitudinal transmission shaft; 1-2-5. Longitudinal roller; 1-3. Horizontal platform; 1-3-1. Horizontal gear; 1-3-2. Horizontal roller bracket; 1-3-3. Transverse roller; 1-3-4, transverse motor; 1-4, lifting structure; 1-4-1, lifting side plate; 1-4-2, first mounting plate; 1-4-3, lifting motor; 1-4-4, moving plate; 1-4-5, guide rod; 1-4-6, lifting screw; 1-4-7, second mounting plate; 1-5, bag grabbing structure; 1-5-1, bag grabbing mounting plate; 1-5-2, bag grabbing connecting column; 1-5-3, clamping claw mounting plate; 1-5-4, clamping claw; 2, material bag conveying belt; 3, material bag cutting mechanism; 3-1, material receiving platform; 3-1-1, first through slot; 3-1-2, second through slot; 3-2, cutting column; 3-3, longitudinal cutter; 3-3-1, first rotating member; 3-3-1-1 longitudinal cutter mounting seat; 3-3-1-2, longitudinal cutter motor; 3-4, horizontal reciprocating moving assembly; 3-4-1, second rotating member; 3-4-1-1, transverse cutter motor; 3-4-2, transverse cutter base; 3-4-3, slider ;3-4-4, transverse cutter guide rail;3-4-5, transverse cutter screw;3-4-6, transverse cutter screw motor;3-4-7, transverse cutter mounting seat;3-4-8, transverse cutter;3-4-9, bearing seat;3-5, cutting bottom plate;4, material feeding port;5, material packaging recovery component;5-1, recovery bin;5-1-1, recovery column;5-2, toothed plate;5-3, movable pressure plate;5-4, electric push rod;6, equipment base;7, material bag. DETAILED DESCRIPTION

[0040] The technical solution in the present application will be described clearly and in detail below in conjunction with the accompanying drawings. Among them, in the description of the embodiments of the present application, unless otherwise specified, " / " means or, for example, A / B can mean A or B: "and / or" in the text is only a description of the association relationship of associated objects, indicating that there can be three relationships, such as A and / or B, which can mean: A exists alone, A and B exist at the same time, and B exists alone. In addition, in the description of the embodiments of the present application, "multiple" refers to two or more than two. The following terms "first" and "second" are used for descriptive purposes only and cannot be understood as implying or suggesting relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features.

[0041] like Figure 1 、 Figure 2As shown, the present invention provides an automatic unpacking device, including a material bag cutting mechanism 3, the material bag cutting mechanism 3 is used to be installed on the upper part of the equipment base 6, a material bag grabbing mechanism 1 is arranged above the material bag cutting mechanism 3, the material bag grabbing mechanism 1 is used to grab the material bag and place it on the material bag cutting mechanism 3, and drive the material bag to move longitudinally along the material bag grabbing mechanism 1, the material bag cutting mechanism 3 includes a material receiving platform 3-1, a longitudinal cutting component, a transverse cutting component and a horizontal reciprocating moving component 3-4, the material receiving platform 3-1 is horizontally arranged, and a first through groove 3-1-1 and a second through groove 3-1-2 are opened on the material receiving platform 3-1, the first through groove 3-1-1 is longitudinally arranged and one end is close to one end of the material receiving platform 3-1, and the second through groove 3-1-2 is transversely arranged and The longitudinal cutting assembly is located near the other end of the first through slot 3-1-1, and includes a longitudinal cutting knife 3-3, which is vertically arranged in the first through slot 3-1-1, and the upper end of the longitudinal cutting knife 3-3 is located above the material receiving platform 3-1, and the lower part of the longitudinal cutting knife 3-3 is located below the material receiving platform 3-1. The longitudinal cutting knife 3-3 is connected to the first rotating member 3-3-1, and the first rotating member 3-3-1 is used to drive the longitudinal cutting knife 3-3 to rotate. The longitudinal cutting knife 3-3 cuts a longitudinal incision at the lower part of the material bag, and increases the length of the longitudinal incision during the longitudinal movement of the material bag along the material receiving platform 3-1. The transverse cutting assembly includes a transverse cutting knife 3-4-8, which is vertically arranged in the second through slot 3-1-2, and the transverse cutting knife 3-4-8 is vertically arranged in the second through slot 3-1-2. Close to one end of the second through slot 3-1-2, the upper part of the transverse cutter 3-4-8 is located above the material receiving platform 3-1, and the lower part of the transverse cutter 3-4-8 is located below the material receiving platform 3-1. The longitudinal cutter 3-3 is connected to the second rotating member 3-4-1, and the second rotating member 3-4-1 is used to drive the longitudinal cutter 3-3 to rotate. The longitudinal cutter 3-3 cuts a transverse incision at the lower part of the material bag. The horizontal reciprocating moving component 3-4 is arranged below the material receiving platform 3-1. The horizontal reciprocating moving component 3-4 is used to drive the transverse cutter 3-4-8 and the second rotating member 3-4-1 to reciprocate horizontally along the second through slot 3-1-2, so that the material bag grabbing mechanism 1 drives the material bag to move longitudinally along the upper surface of the material receiving platform 3-1, and the longitudinal incision component moves the material bag down The longitudinal incision is cut at the bottom of the material bag and the length of the longitudinal incision gradually increases as the material bag moves. Then the transverse incision components are respectively started at the positions of the lower part of the material bag near the two ends of the longitudinal incision, and two transverse incisions are cut at the positions of the lower part of the material bag near the two ends of the longitudinal incision. When the material bag cutting mechanism 3 drives the material bag to move along the material receiving table 3-1 to the top of the second through groove 3-1-2, it stops moving. The horizontal reciprocating moving component 3-4 drives the transverse cutter 3-4-8 and the second rotating member 3-4-1 to move along the second through groove 3-1-2, so that the longitudinal cutter 3-3 cuts the first transverse incision at the bottom of the material bag, and then drives the material bag to continue moving, and the length of the longitudinal incision is expanded by the longitudinal cutter 3-3. After the material bag passes through the longitudinal cutter 3-3,The horizontal reciprocating moving assembly 3-4 drives the longitudinal cutter 3-3 and the second rotating member 3-4-1 to move along the second through slot 3-1-2 again, so that the longitudinal cutter 3-3 cuts a second transverse incision at the lower part of the material bag, so that an I-shaped incision is formed at the lower part of the material bag, so that the four ends of the two transverse incisions are close to the four corners of the material bag, and the area of ​​the incision is expanded, so that the materials at the four corners of the material bag are completely unloaded, and a small amount of materials are avoided from remaining at the four corners of the material bag, thereby improving the unloading effect.

[0042] like Figure 2 As shown, a cutout bottom plate 3-5 is horizontally arranged below the material receiving platform 3-1, the first rotating member 3-3-1, the second rotating member 3-4-1 and the horizontal reciprocating moving assembly 3-4 are all located between the material receiving platform 3-1 and the cutout bottom plate 3-5, the cutout bottom plate 3-5 is used to be fixedly connected to the equipment base 6, and a plurality of cutout columns 3-2 are vertically and evenly arranged between the material receiving platform 3-1 and the cutout bottom plate 3-5, and the two ends of each cutout column 3-2 are respectively fixedly connected to the material receiving platform 3-1 and the cutout bottom plate 3-5.

[0043] like Figure 2 , Figure 3As shown, the horizontal reciprocating moving assembly 3-4 includes a transverse cutter base 3-4-2, two transverse cutter guide rails 3-4-4, a nut block, two sliders 3-4-3, a transverse cutter screw 3-4-5, a transverse cutter mounting seat 3-4-7 and a transverse cutter screw motor 3-4-6. The transverse cutter base 3-4-2 is horizontally arranged below the second through slot 3-1-2. The lower part of the transverse cutter base 3-4-2 is fixedly connected to the cutting bottom plate 3-5. The two transverse cutter guide rails 3-4- 4 is horizontally arranged on the upper part of the transverse cutter base 3-4-2, the nut block is arranged between the two transverse cutter guide rails 3-4-4, the nut block is slidably connected with the two transverse cutter guide rails 3-4-4 respectively, the two sliders 3-4-3 are respectively arranged on the two transverse cutter guide rails 3-4-4, each slider 3-4-3 is slidably connected with the transverse cutter guide rail 3-4-4, each slider 3-4-3 is connected with the nut block, and the nut block is limited by the two sliders 3-4-3 so that the nut block The transverse cutter screw 3-4-5 can move along the two transverse cutter guide rails 3-4-4. The transverse cutter screw 3-4-5 is horizontally arranged between the two transverse cutter guide rails 3-4-4. The two ends of the transverse cutter screw 3-4-5 are respectively connected to the transverse cutter base 3-4-2 through the bearing seat 3-4-9. The nut block is located between the two bearing seats 3-4-9. The transverse cutter screw 3-4-5 passes through the nut block, so that the transverse cutter screw 3-4-5 can rotate and drive the nut block along the two transverse cutter guide rails 3-4- 4 moves, one end of the transverse cutter screw 3-4-5 is connected with a driving member, the driving member is used to drive the transverse cutter screw 3-4-5 to rotate, the transverse cutter mounting seat 3-4-7 is arranged on the upper part of the nut block, the transverse cutter mounting seat 3-4-7 is connected to the nut block, the transverse cutter 3-4-8 is arranged on the upper part of the transverse cutter mounting seat 3-4-7 and is rotatably connected to the transverse cutter mounting seat 3-4-7 through a transverse rotating shaft, and the second rotating member 3-4-1 is arranged on the transverse cutter mounting seat 3-4-7.

[0044] like Figure 2 , Figure 3 As shown, the driving part includes a transverse cutter screw motor 3-4-6, which is arranged at one end of the transverse cutter base 3-4-2, and the output end of the transverse cutter screw motor 3-4-6 is connected to one end of the transverse cutter screw 3-4-5. When the transverse cutter screw motor 3-4-6 is started, the transverse cutter screw motor 3-4-6 drives the transverse cutter screw 3-4-5 to rotate forward and reverse, and the transverse cutter screw 3-4-5 drives the slider 3-4-3 to move horizontally back and forth along the two transverse cutter guide rails 3-4-4.

[0045] like Figure 4As shown, the first rotating member 3-3-1 includes a longitudinal cutter mounting seat 3-3-1-1 and a longitudinal cutter motor 3-3-1-2. The longitudinal cutter mounting seat 3-3-1-1 is arranged below the first through slot 3-1-1. The longitudinal cutter 3-3 is rotatably connected to the longitudinal cutter mounting seat 3-3-1-1 via a longitudinal rotating shaft. The longitudinal cutter motor 3-3-1-2 is arranged on the longitudinal cutter mounting seat 3-3-1-1. The output end of the longitudinal cutter motor 3-3-1-2 is connected to the longitudinal rotating shaft. When the longitudinal cutter motor 3-3-1-2 is started, the longitudinal cutter motor 3-3-1-2 drives the longitudinal cutter 3-3 to rotate, thereby cutting a longitudinal incision in the lower part of the material bag.

[0046] like Figure 3 As shown, the second rotating member 3-4-1 includes a transverse cutter motor 3-4-1-1, which is connected to the transverse rotating shaft. When the transverse cutter motor 3-4-1-1 is started, the transverse cutter motor 3-4-1-1 drives the transverse cutter 3-4-8 to rotate, cutting a transverse incision in the lower part of the material package.

[0047] like Figure 5 As shown, the material bag grabbing mechanism includes a grabbing frame 1-1, a longitudinal moving platform 1-2, a transverse moving platform 1-3, a bag grabbing structure 1-5 and a lifting structure 1-4. The grabbing frame 1-1 is arranged above the material receiving platform 3-1, and the longitudinal moving platform 1-2 is arranged on the upper part of the grabbing frame 1-1. The longitudinal moving platform 1-2 is connected to the grabbing frame 1-1 along the longitudinal sliding connection. A longitudinal moving component is arranged on the longitudinal moving platform, and the longitudinal moving component is used to drive the longitudinal moving platform to move longitudinally on the upper part of the grabbing frame 1-1. The transverse moving platform 1-3 is arranged On the longitudinal moving platform 1-2, the transverse moving platform 1-3 is connected to the longitudinal moving platform 1-2 in a transverse sliding manner, and a transverse moving component is arranged on the transverse moving platform 1-3, and the transverse moving component is used to drive the transverse moving platform 1-3 to move laterally on the longitudinal moving platform 1-2, and the bag grabbing structure 1-5 is arranged below the longitudinal moving platform 1-2, and the bag grabbing structure 1-5 is used to grab the material bag, and the lifting structure 1-4 is arranged between the bag grabbing structure 1-5 and the longitudinal moving platform 1-2, and the lifting structure 1-4 is used to drive the bag grabbing structure 1-5 to move up and down.

[0048] like Figure 5As shown, the grabbing frame 1-1 includes two longitudinal beams 1-1-2, two transverse beams 1-1-3 and four supporting columns 1-1-1. The two longitudinal beams 1-1-2 are relatively horizontally arranged, and the two transverse beams 1-1-3 are relatively horizontally arranged between the two longitudinal beams 1-1-2. The two ends of each transverse beam 1-1-3 are respectively connected to the two longitudinal beams 1-1-2. The four supporting columns 1-1-1 are respectively vertically arranged in pairs at the lower parts of the two longitudinal beams 1-1-2. The two supporting columns 1-1-1 at the lower part of each longitudinal beam 1-1-2 are respectively close to the two ends of the corresponding longitudinal beam 1-1-2, the upper end of each supporting column 1-1-1 is connected to the corresponding longitudinal beam 1-1-2, and the lower end of each supporting column 1-1-1 is used to connect with the equipment base 6.

[0049] like Figure 6 As shown, the longitudinal movement assembly includes two longitudinal movement guide rails 1-1-4, four longitudinal movement rollers 1-2-5, a longitudinal movement transmission shaft 1-2-4 and a longitudinal movement motor 1-2-2. The two longitudinal movement guide rails 1-1-4 are arranged horizontally on the upper part of the grab frame 1-1, and the two longitudinal movement guide rails 1-1-4 are respectively close to the two lateral ends of the longitudinal movement platform 1-2, that is, the two longitudinal movement guide rails 1-1-4 are respectively arranged on the two longitudinal beams 1-1-2, and the four longitudinal movement rollers 1-2-5 are arranged at the lower part of the longitudinal movement platform 1-2. The four longitudinal movement rollers 1-2-5 are respectively close to the two longitudinal movement guide rails 1-1-4, each longitudinal movement roller 1-2-5 is rotationally connected to the longitudinal movement platform 1-2, and each longitudinal movement roller 1-2-5 is slidingly connected to the corresponding longitudinal movement guide rail 1-1-4, so that the longitudinal movement platform 1-2 is made to move by the four longitudinal movement rollers 1-2-5. 2 can move along the two longitudinal guide rails 1-1-4, the longitudinal transmission shaft 1-2-4 is horizontally arranged at the lower part of the longitudinal platform 1-2, the longitudinal transmission shaft 1-2-4 is located close to two of the longitudinal rollers 1-2-5, the longitudinal transmission shaft 1-2-4 is connected to the corresponding two longitudinal rollers 1-2-5, the longitudinal motor 1-2-2 is arranged at the lower part of the longitudinal platform 1-2, the longitudinal motor 1-2-2 is located close to one end of the longitudinal transmission shaft 1-2-4, the output end of the longitudinal motor 1-2-2 is connected to the end of the longitudinal transmission shaft 1-2-4, the longitudinal motor 1-2-2 is started, the longitudinal motor 1-2-2 drives the longitudinal transmission shaft 1-2-4, and the longitudinal transmission shaft 1-2-4 drives the corresponding two longitudinal rollers 1-2-5 to rotate, so that the longitudinal platform 1-2 moves along the two longitudinal guide rails 1-1-4.

[0050] like Figure 6 , Figure 7As shown, the transverse movement assembly includes two transverse guide rails 1-2-1, a transverse rack 1-2-3, four transverse rollers 1-3-3 and a transverse motor 1-3-4. The two transverse guide rails 1-2-1 are horizontally arranged on the upper part of the longitudinal movement platform 1-2. The positions of the two transverse guide rails 1-2-1 are respectively close to the longitudinal sides of the transverse movement platform 1-3. The transverse rack 1-2-3 is horizontally arranged on the upper part of the longitudinal movement platform 1-2 and is located between the two transverse guide rails 1-2-1. The four transverse rollers 1-3-3 are arranged at the lower part of the transverse movement platform 1-3 and are respectively close to the two transverse guide rails 1-2-1 in pairs. Each transverse roller 1-3-3 is rotatably connected to the transverse movement platform 1-3. Each transverse roller 1-3-3 is rotatably connected to the transverse movement platform 1-3. 3 is slidably connected with the corresponding transverse guide rail 1-2-1, and the transverse platform 1-3 is convenient for the transverse movement along the longitudinal platform 1-2 through four transverse rollers 1-3-3. The transverse motor 1-3-4 is arranged at the lower part of the transverse platform 1-3, and the output end of the transverse motor 1-3-4 is sleeved with a transverse gear 1-3-1, and the transverse gear 1-3-1 is located close to the transverse rack 1-2-3. The transverse gear 1-3-1 is meshed and connected with the transverse rack 1-2-3. When the transverse motor 1-3-4 is started, the transverse motor 1-3-4 drives the transverse gear 1-3-1 to drive, and through the meshing of the transverse gear 1-3-1 and the transverse rack 1-2-3, the transverse platform 1-3 is driven to move laterally along the longitudinal platform 1-2.

[0051] like Figure 8As shown, the lifting structure 1-4 includes two lifting side plates 1-4-1, a first mounting plate 1-4-2, a second mounting plate 1-4-7, a moving plate 1-4-4, a lifting screw 1-4-6 and a lifting motor 1-4-3. A through groove is provided on the transverse moving platform 1-3. The two lifting side plates 1-4-1 are vertically arranged in the through groove. The lower ends of the two lifting side plates 1-4-1 are connected to the bag grabbing structure 1-5. The first mounting plate 1-4-2 and the second mounting plate 1-4-7 are horizontally arranged from top to bottom in sequence. It is arranged between the two lifting side plates 1-4-1, the first mounting plate 1-4-2 is respectively connected to the upper ends of the two lifting side plates 1-4-1, and the second mounting plate 1-4-7 is respectively connected to the lower ends of the two lifting side plates 1-4-1; the movable plate 1-4-4 is horizontally arranged between the two lifting side plates 1-4-1, and the two sides of the movable plate 1-4-4 are respectively connected to the two lifting side plates 1-4-1 in a vertical sliding direction, and the two ends of the movable plate 1-4-4 are respectively connected to the inner wall of the through groove, and the lifting wire The lifting screw 1-4-6 is vertically arranged between the two lifting side plates 1-4-1. The two ends of the lifting screw 1-4-6 are rotatably connected with the first mounting plate 1-4-2 and the second mounting plate 1-4-7 respectively. The lifting screw 1-4-6 passes through the moving plate 1-4-4 and is threadedly connected with the moving plate 1-4-4, so that the lifting screw 1-4-6 rotates to drive the moving plate 1-4-4 to move relatively along the two lifting side plates 1-4-1. The lifting motor 1-4-3 is arranged on the first mounting plate 1-4- 2, the output end of the lifting motor 1-4-3 is connected to the upper end of the lifting screw 1-4-6, the lifting motor 1-4-3 is started, the lifting motor 1-4-3 drives the lifting screw 1-4-6 to rotate forward and reverse, the lifting screw 1-4-6 drives the moving plate 1-4-4 to move relative to the two lifting side plates 1-4-1, and through the connection between the moving plate 1-4-4 and the inner wall of the through groove, the two lifting side plates 1-4-1 move up and down as a whole, thereby driving the grabbing structure 1-5 to move up and down.

[0052] like Figure 8 As shown, a guide rod 1-4-5 is vertically arranged between the two lifting side plates 1-4-1, and both ends of the guide rod 1-4-5 are respectively fixedly connected to the first mounting plate 1-4-2 and the second mounting plate 1-4-7. The guide rod 1-4-5 passes through the movable plate 1-4-4 and is slidably connected to the movable plate 1-4-4. The movable plate 1-4-4 is guided by the guide rod 1-4-5, so that the relative movement of the movable plate 1-4-4 along the two lifting side plates 1-4-1 is more stable.

[0053] like Fig. 9As shown, the bag grabbing structure 1-5 includes a bag grabbing mounting plate 1-5-1, a clamping claw mounting plate 1-5-3, four bag grabbing connecting columns 1-5-2 and a plurality of clamping claws 1-5-4. The bag grabbing mounting plate 1-5-1 is horizontally arranged at the lower end of the two lifting side plates 1-4-1 and is fixedly connected to the two lifting side plates 1-4-1. The clamping claw mounting plate 1-5-3 is horizontally arranged below the bag grabbing mounting plate 1-5-1. The four bag grabbing connecting columns 1-5-2 are vertically arranged between the bag grabbing mounting plate 1-5-1 and the clamping claw mounting plate 1-5-3. The connecting columns 1-5-2 are respectively arranged at the four corners of the bag grabbing mounting plate 1-5-1, and the two ends of each bag grabbing connecting column 1-5-2 are respectively fixedly connected to the bag grabbing mounting plate 1-5-1 and the clamping claw mounting plate 1-5-3, and a plurality of clamping claws 1-5-4 are evenly arranged at the lower part of the clamping claw mounting plate 1-5-3. A driving structure is arranged on the clamping claw mounting plate 1-5-3 near each clamping claw 1-5-4, and the driving structure is connected to the corresponding clamping claw 1-5-4. The driving structure is used to drive the opening and closing of the corresponding clamping claw 1-5-4 to facilitate clamping of the material bag.

[0054] like Figure 1 As shown, an automatic unpacking device of the present invention also includes a material bag conveyor belt 2, which is arranged at one end close to the receiving platform 3-1 and close to the longitudinal cutter 3-3. The material bag conveyor belt 2 is installed on the upper part of the equipment base 6, and the material bag is conveyed to the receiving platform 3-1 through the material bag conveyor belt 2. A material feeding port 4 is arranged at the other end of the receiving platform 3-1, and the material feeding port 4 is used to be installed on the equipment base 6. A material packaging recovery component 5 is arranged on one lateral side of the material feeding port 4, and the material packaging recovery component 5 is used to recover the material bag after unloading, and the material packaging recovery component 5 is used to be installed on the equipment base 6.

[0055] like Fig.10As shown, the packaging recycling component 5 includes a recycling bin 5-1, a toothed plate 5-2, a movable pressure plate 5-3 and an electric push rod 5-4. Recycling columns 5-1-1 are vertically arranged near the four corners of the lower part of the recycling bin 5-1. The lower end of each recycling column 5-1-1 is used to connect with the equipment base 6, and two recycling columns 5-1-1 are connected near their lower ends by a horizontally arranged cross bar. The recycling bin 5-1 is a funnel-shaped structure, which is convenient for the material bag to slide downward. The toothed plate 5-2 and the movable pressure plate 5-3 are arranged at the lower opening of the recycling bin 5-1. The toothed plate 5-2 and the movable pressure plate 5-3 are V-shaped. The upper end of the toothed plate 5-2 is connected to the recycling bin 5-1, and the lower end of the toothed plate 5-2 is a serrated structure. The upper end of the movable pressure plate 5-3 is rotatably connected to the recovery bin 5-1, and the lower end of the movable pressure plate 5-3 contacts the lower end of the toothed plate 5-2, and the movable pressure plate 5-3 is close to the cross bar; the electric push rod 5-4 is obliquely arranged between the movable pressure plate 5-3 and the cross bar, the upper end of the electric push rod 5-4 is hinged to the movable pressure plate 5-3, and the lower end of the electric push rod 5-4 is hinged to the cross bar, and the movable pressure plate 5-3 is driven to swing up and down by the extension and contraction of the electric push rod 5-4, so that after the material bag enters between the movable pressure plate 5-3 and the toothed plate 5-2, it drives the movable pressure plate 5-3 to swing upward to clamp the material bag, removes the material bag from the multiple clamps 1-5-4, and then drives the movable pressure plate 5-3 to swing downward to discharge the material bag in the recovery bin 5-1.

[0056] like Figure 1 , Fig.11 , Fig.12 , Fig.13 , Fig.14 , Fig.15 As shown,

[0057] Working principle: Figure 1 The material bag conveyor belt 2 shown conveys the material bag to the bottom of the material bag grabbing mechanism 1, and then starts the lifting motor 1-4-3, the lifting motor 1-4-3 drives the lifting screw 1-4-6 to rotate, and the lifting screw 1-4-6 drives the moving plate 1-4-4 to move relatively along the two lifting side plates 1-4-1, and through the connection between the moving plate 1-4-4 and the inner wall of the through groove, the two lifting side plates 1-4-1 move downward as a whole, driving the grabbing structure 1-5 to move downward until the multiple clamping claws 1-5- 4 contacts with the material bag, and then starts the driving structure of each clamp 1-5-4, so that the multiple clamps 1-5-4 close to clamp the material bag, and then starts the longitudinal movement motor 1-2-2, the longitudinal movement motor 1-2-2 drives the longitudinal movement transmission shaft 1-2-4, and the longitudinal movement transmission shaft 1-2-4 drives the corresponding two longitudinal movement rollers 1-2-5 to rotate, so that the longitudinal movement platform 1-2 moves along the two longitudinal movement guide rails 1-1-4, and drives the material bag to move toward the receiving platform 3-1 through the multiple clamps 1-5-4.

[0058] like Fig.11 As shown in the figure, it is the first working process of the present invention, the longitudinal cutter motor 3-3-1-2 is started, and the longitudinal cutter motor 3-3-1-22 drives the longitudinal cutter 3-3 to rotate. When the material bag contacts the longitudinal cutter 3-3, the longitudinal cutter 3-3 cuts a longitudinal incision in the lower part of the material bag, and as the material bag continues to move, the length of the longitudinal incision increases continuously. Then, when the material bag moves along the material receiving platform 3-1 to the top of the second through slot 3-1-2, it stops moving, and the transverse cutter motor 3-4-1-1 is started. The transverse cutter motor 3-4-1-1 drives the transverse cutter 3-4-8 to rotate, and then the transverse cutter screw motor is started. Machine 3-4-6, the transverse cutter screw motor 3-4-6 drives the transverse cutter screw 3-4-5 to rotate forward and reversely, the transverse cutter screw 3-4-5 drives the slider 3-4-3 to move along the two transverse cutter guide rails 3-4-4 toward the other end of the second through slot 3-1-2, the slider 3-4-3 drives the transverse cutter mounting seat 3-4-7, the transverse cutter screw motor 3-4-6 and the transverse cutter 3-4-8 to move toward the other end of the second through slot 3-1-2, and cuts the first transverse incision in the lower part of the material bag. When it moves to the other end of the second through slot 3-1-2, the transverse cutter screw motor 3-4-6 is stopped. Fig.12 As shown in the figure, it is the second working process of the present invention, which drives the material bag to continue to move, and the length of the longitudinal incision is expanded by the longitudinal cutter 3-3. After the material bag passes through the longitudinal cutter 3-3, the transverse cutter screw motor 3-4-6 is started again to drive the transverse cutter 3-4-8 to reset, and the lower part of the material bag is cut into a second transverse incision, as shown in FIG. Fig.15 As shown, an I-shaped cut is formed at the lower part of the material package.

[0059] like Fig.13 As shown, this is the third working process of the present invention, which continues to drive the material bag to move longitudinally, so that the material bag moves to the material feeding port 4, stops the longitudinal movement motor 1-2-2, and the material in the material bag falls into the material feeding port 4 through the I-shaped cutout, completing the unloading.

[0060] like Fig.14 As shown, this is the fourth working process of the present invention, the transverse motor 1-3-4 is started, the transverse motor 1-3-4 drives the transverse gear 1-3-1 to drive, and through the engagement of the transverse gear 1-3-1 with the transverse rack 1-2-3, the transverse platform 1-3 is driven to move laterally along the longitudinal platform 1-2, and the transverse platform 1-3 drives the material bag to move laterally to above the recovery bin 5-1 through a plurality of clamps 1-5-4, the transverse motor 1-3-4 is stopped, and the driving structure of each clamp 1-5-4 is started, so that each clamp 1-5-4 is opened, and the material bag falls into the recovery bin 5-1.

[0061] like Fig.10As shown, the electric push rod 5-4 is started, and the extension of the electric push rod 5-4 drives the movable pressure plate 5-3 to swing upward, so that after the material bag enters between the movable pressure plate 5-3 and the toothed plate 5-2, the material bag is clamped by the movable pressure plate 5-3 and the toothed plate 5-2, so that the material bag is unloaded from the multiple clamps 1-5-4, and then the electric push rod 5-4 is contracted to drive the movable pressure plate 5-3 to swing downward, and the material bag in the recovery bin 5-1 is discharged, and the above steps are repeated.

[0062] It is to be understood that the present invention is described by some embodiments, and it is known to those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. An automatic unpacking device, comprising a material bag cutting mechanism (3), a material bag grabbing mechanism (1) is arranged above the material bag cutting mechanism (3), characterized in that: The material bag cutting mechanism (3) comprises: The material receiving platform (3-1) has a first through slot (3-1-1) and a second through slot (3-1-2) on its upper portion, the first through slot (3-1-1) being arranged longitudinally and having one end close to one end of the material receiving platform (3-1), and the second through slot (3-1-2) being arranged transversely and having a position close to the other end of the first through slot (3-1-1); The longitudinal cutting assembly comprises: a longitudinal cutting knife (3-3) vertically arranged in a first through slot (3-1-1), the upper end of the longitudinal cutting knife (3-3) being located above a material receiving platform (3-1), and the lower part of the longitudinal cutting knife (3-3) being located below the material receiving platform (3-1); a first rotating member (3-3-1) connected to the longitudinal cutting knife (3-3); The transverse cutting assembly comprises: a transverse cutting knife (3-4-8) vertically arranged in the second through groove (3-1-2), the upper part of the transverse cutting knife (3-4-8) is located above the material receiving platform (3-1), and the lower part of the transverse cutting knife (3-4-8) is located below the material receiving platform (3-1); a second rotating member (3-4-1) connected to the longitudinal cutting knife (3-3); The horizontal reciprocating moving component (3-4) is arranged below the material receiving platform (3-1) and is used to drive the transverse cutting component to move horizontally and reciprocatingly along the second through groove (3-1-2), so that the material bag grabbing mechanism (1) drives the material bag to move longitudinally along the upper surface of the material receiving platform (3-1), and the longitudinal cutting component cuts a longitudinal incision in the lower part of the material bag and the length of the longitudinal incision gradually increases as the material bag moves, and then the transverse cutting component is respectively started at the positions of the lower part of the material bag near the two ends of the longitudinal incision, and two transverse incisions are cut at the positions of the lower part of the material bag near the two ends of the longitudinal incision.

2. The automatic unpacking device according to claim 1, characterized in that: The horizontal reciprocating moving assembly (3-4) comprises: a transverse cutter base (3-4-2) which is horizontally arranged below the second through slot (3-1-2); two transverse cutter guide rails (3-4-4) which are horizontally arranged on the upper part of the transverse cutter base (3-4-2); a nut block which is arranged between the two transverse cutter guide rails (3-4-4) and is slidably connected to the two transverse cutter guide rails (3-4-4); a transverse cutter lead screw (3-4-5) which is horizontally arranged between the two transverse cutter guide rails (3-4 -4), both ends of the transverse cutter screw (3-4-5) are rotatably connected to the transverse cutter base (3-4-2), the transverse cutter screw (3-4-5) passes through the nut block, and one end of the transverse cutter screw (3-4-5) is connected to a driving member; a transverse cutter mounting seat (3-4-7) is arranged on the upper part of the nut block, the transverse cutter mounting seat (3-4-7) is connected to the nut block, and the transverse cutter (3-4-8) and the second rotating member (3-4-1) are both arranged on the transverse cutter mounting seat (3-4-7).

3. The automatic unpacking device according to claim 2, characterized in that: The first rotating member (3-3-1) comprises: a longitudinal cutter mounting seat (3-3-1-1) arranged below the first through slot (3-1-1), the longitudinal cutter (3-3) being rotationally connected to the longitudinal cutter mounting seat (3-3-1-1) via a longitudinal rotating shaft; and a longitudinal cutter motor (3-3-1-2) arranged on the longitudinal cutter mounting seat (3-3-1-1), the output end of the longitudinal cutter motor (3-3-1-2) being connected to the longitudinal rotating shaft.

4. The automatic unpacking device according to claim 1, characterized in that: The material bag grabbing mechanism (1) comprises: a grabbing frame (1-1) arranged above a material receiving platform (3-1); a longitudinal moving platform (1-2) arranged on the upper part of the grabbing frame (1-1) and connected to the grabbing frame (1-1) in a longitudinal sliding manner, and a longitudinal moving component is arranged on the longitudinal moving platform; a transverse moving platform (1-3) arranged on the longitudinal moving platform (1-2) and connected to the longitudinal moving platform (1-2) in a transverse sliding manner, and a transverse moving component is arranged on the transverse moving platform (1-3); a bag grabbing structure (1-5) arranged below the longitudinal moving platform (1-2) and used for grabbing material bags; and a lifting structure (1-4) arranged between the bag grabbing structure (1-5) and the longitudinal moving platform (1-2) and used for driving the bag grabbing structure (1-5) to move up and down.

5. The automatic unpacking device according to claim 4, characterized in that: The longitudinal movement assembly comprises: two longitudinal movement guide rails (1-1-4), which are arranged longitudinally and horizontally on the upper part of the grabbing frame (1-1) and are respectively close to the two lateral ends of the longitudinal movement platform (1-2); four longitudinal movement rollers (1-2-5), which are arranged at the lower part of the longitudinal movement platform (1-2) and are respectively close to the two longitudinal movement guide rails (1-1-4), each longitudinal movement roller (1-2-5) is rotationally connected to the longitudinal movement platform (1-2), and each longitudinal movement roller (1-2-5) is slidably connected to the corresponding longitudinal movement guide rail (1-1-4). The longitudinal movement transmission shaft (1-2-4) is horizontally arranged at the lower part of the longitudinal movement platform (1-2) and is located close to two longitudinal movement rollers (1-2-5), and the longitudinal movement transmission shaft (1-2-4) is connected to the corresponding two longitudinal movement rollers (1-2-5); the longitudinal movement motor (1-2-2) is arranged at the lower part of the longitudinal movement platform (1-2) and is located close to one end of the longitudinal movement transmission shaft (1-2-4), and the output end of the longitudinal movement motor (1-2-2) is connected to the end of the longitudinal movement transmission shaft (1-2-4).

6. The automatic unpacking device according to claim 5, characterized in that: The transverse movement assembly comprises: two transverse movement guide rails (1-2-1) which are horizontally arranged on the upper part of the longitudinal movement platform (1-2) and are respectively located close to the longitudinal sides of the transverse movement platform (1-3); a transverse movement rack (1-2-3) which is horizontally arranged on the upper part of the longitudinal movement platform (1-2) and is located between the two transverse movement guide rails (1-2-1); four transverse movement rollers (1-3-3) which are arranged on the lower part of the transverse movement platform (1-3) and are respectively located close to the two transverse movement guide rails (1-2-1) in pairs, and each transverse movement roller (1-3-3) is arranged on the lower part of the transverse movement platform (1-3) and is respectively located close to the two transverse movement guide rails (1-2-1) in pairs, The transverse roller (1-3-3) is rotatably connected to the transverse platform (1-3), and each transverse roller (1-3-3) is slidably connected to the corresponding transverse guide rail (1-2-1); a transverse motor (1-3-4) is arranged at the lower part of the transverse platform (1-3), and a transverse gear (1-3-1) is sleeved on the output end of the transverse motor (1-3-4), and the transverse gear (1-3-1) is located close to the transverse rack (1-2-3), and the transverse gear (1-3-1) is meshedly connected with the transverse rack (1-2-3).

7. The automatic unpacking device according to claim 5, characterized in that: The lifting structure (1-4) comprises: two lifting side plates (1-4-1), a through slot is provided on the transverse moving platform (1-3), the two lifting side plates (1-4-1) are vertically arranged in the through slot, and the lower ends of the two lifting side plates (1-4-1) are connected to the bag grabbing structure (1-5); a first mounting plate (1-4-2) and a second mounting plate (1-4-7) are horizontally arranged between the two lifting side plates (1-4-1), the first mounting plate (1-4-2) is respectively connected to the upper ends of the two lifting side plates (1-4-1), and the second mounting plate (1-4-7) is respectively connected to the lower ends of the two lifting side plates (1-4-1); a moving plate (1-4-4) is horizontally arranged between the two lifting side plates (1-4-1), and the moving plate (1-4-4) is horizontally arranged between the two lifting side plates (1-4-1). The two sides of the plate (1-4-4) are respectively connected to the two lifting side plates (1-4-1) in a sliding manner along the vertical direction, and the two ends of the movable plate (1-4-4) are respectively connected to the inner wall of the through groove; the lifting screw (1-4-6) is vertically arranged between the two lifting side plates (1-4-1), and the two ends of the lifting screw (1-4-6) are respectively connected to the first mounting plate (1-4-2) and the second mounting plate (1-4-7) in a rotatable manner, and the lifting screw (1-4-6) passes through the movable plate (1-4-4) and is threadedly connected to the movable plate (1-4-4); the lifting motor (1-4-3) is arranged on the upper part of the first mounting plate (1-4-2), and the output end of the lifting motor (1-4-3) is connected to the upper end of the lifting screw (1-4-6).

8. The automatic unpacking device according to claim 1, characterized in that: It also comprises a material bag conveyor belt (2), wherein the material bag conveyor belt (2) is arranged at one end close to the receiving platform (3-1) and close to the longitudinal cutter (3-3), and the other end of the receiving platform (3-1) is provided with a material feeding port (4), and a material packaging recovery component (5) is arranged at a position on a lateral side of the material feeding port (4).

9. The automatic unpacking device according to claim 8, characterized in that: The packaging recycling component (5) comprises: a recycling bin (5-1), wherein recycling columns (5-1-1) are vertically arranged at the positions near the four corners of the lower part, wherein two recycling columns (5-1-1) are connected by a horizontally arranged crossbar near their lower ends, and the recycling bin (5-1) is a funnel-shaped structure; a toothed plate (5-2) and a movable pressing plate (5-3), which are arranged at the lower opening of the recycling bin (5-1), and the toothed plate (5-2) and the movable pressing plate (5-3) are V-shaped, and the upper end of the toothed plate (5-2) is connected to the upper end of the toothed plate (5-2). The upper end of the movable pressing plate (5-3) is rotatably connected to the recovery bin (5-1), the lower end of the toothed plate (5-2) is a sawtooth structure, the upper end of the movable pressing plate (5-3) is rotatably connected to the recovery bin (5-1), the lower end of the movable pressing plate (5-3) contacts the lower end of the toothed plate (5-2), and the movable pressing plate (5-3) is close to the cross bar; the electric push rod (5-4) is obliquely arranged between the movable pressing plate (5-3) and the cross bar, the upper end of the electric push rod (5-4) is hinged to the movable pressing plate (5-3), and the lower end of the electric push rod (5-4) is hinged to the cross bar.

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