Outer bag unpacking structure suitable for powder unpacking machine

Abstract

The utility model relates to the technical field of powder unpacking, in particular to an outer bag unpacking structure suitable for a powder unpacking machine, which comprises a movable seat and an auxiliary device, an air cylinder I is arranged below the movable seat, a suction head is fixedly connected to the inner wall of the movable seat, and a suction pipe is arranged below the suction head. Three groups of annular hot melting cutter bodies with different sizes are arranged on the inner wall of the movable seat, the auxiliary device is arranged on the surfaces of the annular hot melting cutter bodies, the auxiliary device comprises a rotating shaft, the rotating shaft is rotationally connected with the inner wall of the movable seat, and two control pieces are connected with the inner wall of the rotating shaft in a sliding manner. According to ton bags of different sizes, annular hot melt cutters of different sizes can be switched to cut outer bags, it is ensured that annular kerfs of needed sizes can be accurately cut in the bottoms of the outer woven bags, the phenomenon that operation is inconvenient due to the fact that the annular hot melt cutters of different sizes are manually replaced is avoided, and adaptability and flexibility of unpacking operation are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder unpacking, in particular to an outer bag unpacking structure suitable for a powder unpacking machine. Background Art

[0002] Ton bags are used when powder is loaded. Ton bags are a kind of flexible transport packaging container with the advantages of moisture-proof, dust-proof, radiation-resistant, firm and safe, and have sufficient structural strength. When unpacking the ton bags, the outer bag unpacking structure is used for unpacking.

[0003] The prior art, such as the utility model with publication number CN117842487A, discloses a powder material unpacking machine and an unpacking method. The powder material unpacking comprises an overhead conveyor line, a ton bag hook assembly movably arranged on the conveyor line, a bag hanging station, an outer bag unpacking station, an inner bag unpacking station and a bag unloading station arranged below the conveyor line and arranged in sequence according to the process of unpacking ton bags. The outer bag unpacking station is provided with an outer bag unpacking device for opening the bottom of the outer woven bag of the ton bag hung on the ton bag hook assembly. The outer bag unpacking device comprises an outer bag unpacking lifting cylinder, an air filter arranged on the ... The lifting plate at the top of the piston rod of the lowering cylinder is respectively provided with a suction cup for sucking the bottom of the outer woven bag of the ton bag and an annular hot melt cutter for forming an annular incision at the bottom of the outer woven bag of the ton bag. The annular hot melt cutter is located on the periphery of the suction cup. The present invention can realize the automated operation of powder unpacking, prevent site pollution, improve the efficiency of ton bag unloading, protect the health of site personnel, and solve the problem that harmful powder will escape or be taken out of the cage when workers are unloading, thereby causing site and air pollution and seriously affecting the health of site personnel. In addition, manual unloading also has the problem of low operating efficiency.

[0004] In daily work, it is found that when the outer bag unpacking structure of the above-mentioned powder unpacking machine is unpacking the outer bag, the bottom of the outer bag is cut by a circular hot-melt cutter, and the cut outer bag is then adsorbed. However, when the above-mentioned outer bag unpacking structure is in use, it only needs to cut an annular incision of one size and shape, and cannot be used for the unpacking requirements of ton bags of different sizes and specifications, resulting in poor overall flexibility, which in turn leads to the problem that the outer bag unpacking structure of the existing powder unpacking machine does not meet the size requirements of the outer bag unpacking of ton bags of different sizes and specifications. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcoming in the prior art that the outer bag unpacking size requirements of ton bags of different sizes are not met, and to propose an outer bag unpacking structure suitable for a powder unpacking machine.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: an outer bag unpacking structure suitable for a powder unpacking machine, comprising a movable seat and an auxiliary device, a cylinder 1 is provided below the movable seat, a suction head is fixedly connected to the inner wall of the movable seat, a suction pipe is provided below the suction head, three groups of annular hot-melt cutter bodies of different sizes are provided on the inner wall of the movable seat, the auxiliary device is provided on the surface of the annular hot-melt cutter body, the auxiliary device comprises a rotating shaft, the rotating shaft is rotatably connected to the inner wall of the movable seat, the inner wall of the rotating shaft is slidably connected to two control members, the surface of the rotating shaft is fixedly connected to two gears, the two sides of the movable seat are respectively fixedly connected to the cylinder 2, and the output end of the cylinder 2 is fixedly connected to The rack, the gear is meshed with the rack, and the lower surfaces of the three groups of annular hot melt cutter bodies are respectively fixedly connected to two sliding rods, the sliding rods are slidably connected to the inner wall of the movable seat, and the lower surface of the slide rods is fixedly connected with an arc-shaped part, and an adjustment component is provided between the rotating shaft and the control part. Through the above-mentioned components, the position of the control part can be adjusted by the adjustment component on the rotating shaft to adjust the control part to the lower side of the annular hot melt cutter body of the required size, and then the cylinder 2 is opened. The cylinder 2 can drive the rack to move, and the rack drives the gear and the rotating shaft to rotate. When the rotating shaft rotates, it drives the control part to squeeze the arc-shaped part, and the arc-shaped part cooperates with the slide rod to drive the annular hot melt cutter body to extend, and then the cylinder 1 drives the movable seat and the annular hot melt cutter body to move to perform the cutting operation on the outer bag.

[0007] Preferably, the adjustment assembly includes a screw, which is rotatably connected to the inner wall of the rotating shaft, and the screw is respectively threadedly connected to the inner walls of the two control members, and one end of the screw is fixedly connected to a knob. Through the above components, by rotating the knob and the screw, the screw drives the two control members to move on the rotating shaft, and the control member is adjusted to the bottom of the required annular hot melt cutter body, and then rotated to adjust the annular hot melt cutter body of different sizes.

[0008] Preferably, a groove is provided on the surface of the control member, and a roller is rotatably connected to the inner wall of the groove. Through the above components, when the control member rotates along with the rotating shaft, the control member contacts the arc member through the roller, which can reduce friction and improve service life.

[0009] Preferably, a spring is provided on the surface of the slide rod, and the two ends of the spring are fixedly connected to the inner wall of the arc-shaped part and the movable seat respectively. Through the above components, the spring can push the arc-shaped part and the slide rod downward, which has a reset effect, and at the same time keeps the annular hot melt cutter body stably in the inner wall of the movable seat.

[0010] Preferably, an interception device is provided on the surface of the suction head, and the interception device includes a breathable filter cloth. The breathable filter cloth is arranged above the suction head, and four hollow iron pillars are fixedly connected to the lower surface of the breathable filter cloth. The hollow iron pillars are plugged into the inner wall of the suction head. Through the above components, when the suction tube cooperates with the suction head to suck the cut outer bag, the breathable filter cloth can filter out some impurities, thereby reducing blockages that affect normal use.

[0011] Preferably, a magnetic column is fixedly connected to the inner wall of the suction head, and the magnetic column is plugged into the inner wall of the hollow iron column. The magnetic column and the hollow iron column can be attracted to each other through the above components, thereby improving stability.

[0012] Compared with the prior art, the advantages and positive effects of the present invention are:

[0013] 1. In the utility model, by setting an auxiliary device, annular hot-melt cutters of different sizes can be switched to perform cutting operations on the outer bags according to different sizes of ton bags, ensuring that annular slits of the required size can be accurately cut at the bottom of the outer woven bag. There is no need to manually change annular hot-melt cutters of different sizes to cause operational inconvenience, thereby improving the adaptability and flexibility of the unpacking operation.

[0014] 2. In the present invention, by setting up an interception device, interception and filtration can be performed at the suction point, reducing the situation where the suction point is blocked and affecting normal use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model proposes a three-dimensional structural diagram of an outer bag unpacking structure suitable for a powder unpacking machine;

[0016] Figure 2 This is a partial structural diagram of an outer bag unpacking structure suitable for a powder unpacking machine proposed in the utility model;

[0017] Figure 3 This is a bottom-up structural diagram of an outer bag unpacking structure suitable for a powder unpacking machine proposed in the utility model;

[0018] Figure 4 This is a partial structural diagram of an auxiliary device for an outer bag unpacking structure of a powder unpacking machine proposed in the utility model;

[0019] Figure 5 The utility model provides a partial structural diagram of an intercepting device suitable for the outer bag unpacking structure of a powder unpacking machine.

[0020] Legend:

[0021] 1. Moving seat; 2. Suction head; 3. Cylinder 1; 4. Suction tube; 5. Annular hot melt cutter body; 6. Auxiliary device; 61. Rotating shaft; 62. Gear; 63. Rack; 64. Cylinder 2; 65. Control part; 66. Slide rod; 67. Spring; 68. Arc-shaped part; 69. Adjustment component; 691. Screw; 692. Knob; 610. Roller; 7. Intercepting device; 71. Breathable filter cloth; 72. Hollow iron column; 73. Magnetic column. DETAILED DESCRIPTION

[0022] See also Figure 1-Figure 5 The utility model provides a technical solution: an outer bag unpacking structure suitable for a powder unpacking machine, comprising a movable base 1 and an auxiliary device 6, a cylinder 3 is provided below the movable base 1, a suction head 2 is fixedly connected to the inner wall of the movable base 1, a suction pipe 4 is provided below the suction head 2, three groups of annular hot melt cutter bodies 5 of different sizes are provided on the inner wall of the movable base 1, and the auxiliary device 6 is provided on the surface of the annular hot melt cutter body 5.

[0023] Specifically, the auxiliary device 6 includes a rotating shaft 61, which is rotatably connected to the inner wall of the movable seat 1. The inner wall of the rotating shaft 61 is slidably connected to two control parts 65. The surface of the rotating shaft 61 is fixedly connected to two gears 62. Cylinder 2 64 is fixedly connected to both sides of the movable seat 1. The output end of cylinder 2 64 is fixedly connected to a rack 63. The gear 62 is meshed with the rack 63. The lower surfaces of the three groups of annular hot melt cutter bodies 5 are respectively fixedly connected to two sliding rods 66. The sliding rod 66 is slidably connected to the inner wall of the movable seat 1. The lower surface of the sliding rod 66 is fixedly connected to an arc-shaped part 68. An adjustment component 69 is provided between the rotating shaft 61 and the control part 65.

[0024] In this embodiment: the position of the control member 65 can be adjusted on the rotating shaft 61 by adjusting the adjustment component 69, so that the control member 65 is adjusted to the position below the annular hot melt cutter body 5 of the required size, and then the cylinder 2 64 is opened. The cylinder 2 64 can drive the rack 63 to move, and the rack 63 drives the gear 62 and the rotating shaft 61 to rotate. When the rotating shaft 61 rotates, it drives the control member 65 to squeeze the arc member 68. The arc member 68 cooperates with the slide rod 66 to drive the annular hot melt cutter body 5 to extend, and then the cylinder 1 3 drives the movable seat 1 and the annular hot melt cutter body 5 to move to perform the cutting operation on the outer bag.

[0025] Specifically, the adjustment component 69 includes a screw 691, which is rotatably connected to the inner wall of the rotating shaft 61. The screw 691 is threadedly connected to the inner walls of the two control members 65 respectively. One end of the screw 691 is fixedly connected to a knob 692. By rotating the knob 692 and the screw 691, the screw 691 drives the two control members 65 to move on the rotating shaft 61, and the control member 65 is adjusted to the bottom of the required annular hot melt cutter body 5. Then, it is rotated to adjust the annular hot melt cutter body 5 of different sizes.

[0026] Specifically, a groove is formed on the surface of the control member 65 , and a roller 610 is rotatably connected to the inner wall of the groove.

[0027] In this embodiment, when the control member 65 rotates along with the rotating shaft 61 , the control member 65 contacts the arc-shaped member 68 through the roller 610 , which can reduce friction and increase service life.

[0028] Specifically, a spring 67 is provided on the surface of the slide rod 66, and the two ends of the spring 67 are fixedly connected to the arc-shaped member 68 and the inner wall of the movable seat 1 respectively. The spring 67 can push the arc-shaped member 68 and the slide rod 66 downward, which has a reset effect, and at the same time keeps the annular hot melt cutter body 5 stably in the inner wall of the movable seat 1.

[0029] Specifically, an interception device 7 is provided on the surface of the suction head 2, and the interception device 7 includes a breathable filter cloth 71. The breathable filter cloth 71 is arranged above the suction head 2. Four hollow iron columns 72 are fixedly connected to the lower surface of the breathable filter cloth 71, and the hollow iron columns 72 are plugged into the inner wall of the suction head 2.

[0030] In this embodiment, when the suction tube 4 cooperates with the suction head 2 to suck the cut outer bag, the breathable filter cloth 71 can filter some impurities to reduce the situation where blockage affects normal use.

[0031] Specifically, the inner wall of the suction head 2 is fixedly connected with a magnetic column 73, which is plugged into the inner wall of the hollow iron column 72. The magnetic column 73 and the hollow iron column 72 can be attracted to each other, thereby improving stability.

[0032] Working principle: When in use, the annular hot melt cutter body 5 can be adjusted according to the size of the outer bag of the ton bag. The knob 692 and the screw 691 are rotated in the inner wall of the rotating shaft 61. The screw 691 drives the two control parts 65 to move in the inner wall of the rotating shaft 61, so that the control part 65 moves to the bottom of the annular hot melt cutter body 5 of the required size. Then, the cylinder 2 64 is opened, and the cylinder 2 64 can drive the rack 63 to move. The rack 63 drives the gear 62 and the rotating shaft 61 to rotate. When the rotating shaft 61 rotates, it drives the control part 65 to rotate. The control part 65 drives the roller 610 to squeeze the arc part 68. The arc part 68 cooperates with the slide rod 66 to drive the annular hot melt cutter body 5 to extend. Then, the cylinder 1 3 drives the moving seat 1 and the annular hot melt cutter body 5 to move to cut the outer bag. The cut outer bag is adsorbed by the suction pipe 4 in cooperation with the suction head 2. During the adsorption process, the breathable filter cloth 71 can intercept some impurities, reduce the clogging of the suction head 2, and complete the use.

Claims

1. An outer bag unpacking structure suitable for a powder unpacking machine, comprising a movable seat (1) and an auxiliary device (6), characterized in that: A cylinder (3) is provided below the movable seat (1), a suction head (2) is fixedly connected to the inner wall of the movable seat (1), a suction pipe (4) is provided below the suction head (2), and three groups of annular hot-melt cutter bodies (5) of different sizes are provided on the inner wall of the movable seat (1), the auxiliary device (6) is provided on the surface of the annular hot-melt cutter body (5), and the auxiliary device (6) includes a rotating shaft (61), the rotating shaft (61) is rotatably connected to the inner wall of the movable seat (1), and the inner wall of the rotating shaft (61) is slidably connected to two control members (65), and the rotating shaft (61) The surface of the movable seat (1) is fixedly connected with two gears (62), the two sides of the movable seat (1) are fixedly connected with cylinder 2 (64), the output end of the cylinder 2 (64) is fixedly connected with a rack (63), the gear (62) is meshed with the rack (63), the lower surfaces of the three groups of annular hot melt cutter bodies (5) are fixedly connected with two slide bars (66), the slide bars (66) are slidably connected with the inner wall of the movable seat (1), the lower surface of the slide bars (66) is fixedly connected with an arc-shaped member (68), and an adjustment component (69) is provided between the rotating shaft (61) and the control member (65).

2. The outer bag unpacking structure suitable for a powder unpacking machine according to claim 1, characterized in that: The adjustment assembly (69) includes a screw (691) which is rotatably connected to the inner wall of the rotating shaft (61). The screw (691) is threadedly connected to the inner walls of the two control members (65) respectively. One end of the screw (691) is fixedly connected to a knob (692).

3. The outer bag unpacking structure suitable for a powder unpacking machine according to claim 1, characterized in that: A groove is formed on the surface of the control member (65), and a roller (610) is rotatably connected to the inner wall of the groove.

4. The outer bag unpacking structure suitable for a powder unpacking machine according to claim 1, characterized in that: The surface of the slide rod (66) is sleeved with a spring (67), and the two ends of the spring (67) are fixedly connected to the arc-shaped piece (68) and the inner wall of the movable seat (1) respectively.

5. The outer bag unpacking structure suitable for a powder unpacking machine according to claim 1, characterized in that: An interception device (7) is provided on the surface of the suction head (2), and the interception device (7) comprises a breathable filter cloth (71). The breathable filter cloth (71) is arranged above the suction head (2), and four hollow iron columns (72) are fixedly connected to the lower surface of the breathable filter cloth (71). The hollow iron columns (72) are plugged into the inner wall of the suction head (2).

6. The outer bag unpacking structure suitable for a powder unpacking machine according to claim 5, characterized in that: The inner wall of the suction head (2) is fixedly connected with a magnetic column (73), the magnetic column (73) is plugged into the inner wall of the hollow iron column (72), and the magnetic column (73) is connected to the hollow iron column (72).

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