Quantitative sampling device with automatic packing function
By designing an automated packaging quantitative sampling device, the automated quantitative filling and sealing of grain sampling was realized, which solved the problems of high labor intensity and low sampling efficiency in existing technologies, and improved sampling quality and efficiency.
Patent Information
- Application Number
- CN202520015646.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-03
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-03
AI Technical Summary
When sampling grain and other particulate goods in segments at cargo terminals, manual step-by-step quantitative sampling is required, which is labor-intensive, has low sampling efficiency, and human factors have a significant impact on sampling quality.
Design an automated packaging quantitative sampling device, including a quantitative scale, a conveying pipe, a bag loading assembly, and a packaging assembly. The material is conveyed to the quantitative scale by a conveying auger for weighing, and then the sample is filled into a packaging bag using the packaging assembly. Combined with a heating module, the film is sealed, simplifying the operation process.
It enables automated quantitative sampling, reduces manual labor intensity, improves sampling efficiency, and reduces the impact of human factors on sampling quality.
Smart Images

Figure CN223756388U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the granular flow sampling field, especially a kind of automatic packing quantitative sampling device. BACKGROUND
[0002] In the grain storage process, grain sampling is an essential process. At the freight wharf, it is necessary to collect samples of the same warehouse and different storage sections of grain. When grain is transported from high to low, the sampling of grain is usually achieved by gravity flow. The end needs manual weighing and subpackaging of samples, which is labor-intensive and greatly affected by human factors. INVENTION CONTENTS
[0003] Therefore, the utility model aims at providing an automatic packing quantitative sampling device to solve the problem of labor-intensive and low sampling efficiency in the prior art when segmenting sampling of granular goods such as grain at the freight wharf.
[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:
[0005] An automatic packing quantitative sampling device includes a rack and a quantitative scale, a conveying pipe, an upper bag assembly, a packing assembly and a lower hopper arranged on the rack. The upper end of the conveying pipe is provided with the quantitative scale, and the conveying pipe is provided with the packing assembly around the periphery. The upper bag assembly is arranged on one side of the conveying pipe. The upper bag assembly can convey the film to the periphery of the conveying pipe and form a packaging bag through the packing assembly. The quantitative scale is connected with a conveying auger. The conveying auger is used to convey materials into the quantitative scale. The quantitative scale is used to weigh the materials and discharge them into the conveying pipe. The materials are conveyed into the packaging bag through the conveying pipe and guided to the outside of the rack through the lower hopper.
[0006] Further, the quantitative scale includes a weighing box, one side of which is fixedly connected to one end of a weighing assembly. The weighing assembly is installed on the rack. The upper end of the weighing box is connected to the conveying auger. The lower end of the weighing box is provided with an opening and closing plate. One side of the opening and closing plate is provided with a first linear module, which is installed on the weighing box.
[0007] Further, the upper end of the conveying pipe is provided with a feeding hopper.
[0008] Further, the packing assembly includes a shaping cover, which is a reverse conical structure. The shaping cover is installed on the rack. The shaping cover is arranged eccentrically around the periphery of the conveying pipe. The inner circle of the shaping cover and the periphery of the conveying pipe are provided with a material passing gap. The lower surface of the film is laid on the peripheral surface of the shaping cover. One end of the film is folded and introduced into the material passing gap at the small end of the shaping cover. The upper surface of the film is attached to the periphery of the conveying pipe.
[0009] Further, the packing assembly further comprises a pressure roller, the pressure roller is located below the shaping cover, the middle part of the pressure roller is fixedly sleeved with a transmission shaft of a driving motor, the driving motor is fixedly installed on the first supporting plate, one side of the first supporting plate is provided with a second linear module, the second linear module is fixedly installed on the rack through a second supporting plate.
[0010] Further, the first supporting plate is rotatably sleeved with a driven roller, the periphery of the driven roller is synchronously driven with the pressure roller through a pressure belt, and the periphery of the pressure belt is pressure-welded to the film.
[0011] Further, the packing assembly further comprises a side sealing plate, the side sealing plate is internally provided with a first heating module, the side sealing plate is located at one side of the conveying pipe, the side sealing plate is installed at a movable end of a third linear module, and the third linear module is installed on the rack.
[0012] Further, the outer wall of the conveying pipe is provided with a pressure-welding groove in the axial direction, the pressure-welding groove is opposite to the side sealing plate, the film is wrapped on the conveying pipe, and the wrapping gap of the film is located in the pressure-welding groove.
[0013] Further, the packing assembly further comprises a lower sealing plate, the lower sealing plate is located between the lower end of the conveying pipe and the hopper, the lower sealing plate is internally provided with a second heating module, and one side of the lower sealing plate is connected to a fourth linear module.
[0014] Further, the lower sealing plate is opposite to an abutting plate, the abutting plate is slidably connected to the rack, two sides of the lower sealing plate are respectively provided with a first swing rod, each first swing rod is eccentrically hinged to a rotating disc, the rotating disc is rotatably sleeved to a support, and each rotating disc is further hinged with a second swing rod, and the second swing rod is hinged to one side of the abutting plate.
[0015] Further, the lower end of the conveying pipe is provided with a bag supporting rod, and the bag supporting rod is used for supporting the packaging bag.
[0016] Further, the bag feeding assembly comprises a supporting and expanding shaft, the supporting and expanding shaft is rotatably sleeved to the rack, and the inner ring winding core of the film is sleeved on the periphery of the supporting and expanding shaft.
[0017] Compared with the prior art, the automatic packing quantitative sampling device has the following beneficial effects: the conveying auger conveys the material to the quantitative scale, then the material is weighed by the quantitative scale and then falls to the packing assembly, the packing assembly can fill the sample into the packaging bag, so that the sample can be classified, the subsequent process is facilitated, the operation is simple, the labor intensity of manual sampling is reduced, and the influence of human factors on the sampling quality is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0018] The accompanying drawings, which form a part of this description, are included to provide a further understanding of the application and are incorporated in and constitute a part of this application. The embodiments illustrated in the drawings are intended to explain the aspects of the present application and are not intended to limit the present application. In the drawings:
[0019] Figure 1 A structure schematic view of the automatic packing quantitative sampling device according to the embodiment of the present application;
[0020] Figure 2 An internal structure schematic view of the automatic packing quantitative sampling device according to the embodiment of the present application;
[0021] Figure 3 A structure schematic view of the cooperation of the quantitative scale, the conveying pipe and the packing assembly according to the embodiment of the present application;
[0022] Figure 4 A structure schematic view of the packing assembly according to the embodiment of the present application;
[0023] Figure 5 A structure schematic view of the cooperation of the pressing roller, the driven roller and the pressing belt according to the embodiment of the present application;
[0024] Figure 6 A structure schematic view of the lower sealing plate according to the embodiment of the present application.
[0025] Explanation of reference signs:
[0026] 1 - rack; 2 - quantitative scale; 21 - weighing box; 22 - opening and closing plate; 23 - feeding hopper; 3 - conveying pipe; 4 - bagging assembly; 41 - expansion shaft; 42 - film; 5 - packing assembly; 51 - shaping cover; 52 - pressing roller; 53 - driving motor; 54 - first supporting plate; 55 - second linear module; 56 - driven roller; 57 - pressing belt; 58 - side sealing plate; 59 - third linear module; 510 - pressing groove; 511 - lower sealing plate; 512 - fourth linear module; 513 - abutting plate; 514 - first swing lever; 515 - rotating disc; 516 - second swing lever; 6 - discharging hopper; 7 - bag supporting rod. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0028] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "internal", "external" and so on indicate the orientation or positional relation based on the orientation or positional relation shown in the drawing, just is for the convenience of describing the utility model and simplifying the description, and is not indicate or imply the device or element indicated must have a particular orientation, with a particular orientation structure and operation, therefore cannot be understood as the restriction of the utility model. In addition, the term "first", "second" and so on are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and so on can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0029] In the description of the utility model, it needs to be explained that, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.
[0030] The utility model will be described in detail below with reference to the drawings and in combination with embodiments.
[0031] As Figures 1-6As shown, the automatic packaging quantitative sampling device comprises a rack 1 and a quantitative scale 2, a conveying pipe 3, an upper bag assembly 4, a packaging assembly 5 and a lower hopper 6 arranged on the rack 1 respectively. The quantitative scale 2 is arranged at the upper end of the conveying pipe 3. The packaging assembly 5 is arranged on the periphery of the conveying pipe 3. The upper bag assembly 4 is arranged on one side of the conveying pipe 3. The upper bag assembly 4 can convey the film 42 to the periphery of the conveying pipe 3 and form a packaging bag through the packaging assembly 5. The quantitative scale 2 is connected with a conveying auger. The conveying auger is used to convey materials into the quantitative scale 2. The conveying auger is installed in the discharge hopper. When the material flow is unloaded, the conveying auger can synchronously intercept and convey the material flow. The quantitative scale 2 is used to weigh the material and discharge it into the conveying pipe 3. The material flow is transmitted to the packaging bag through the conveying pipe 3 and guided to the outside of the rack 1 through the lower hopper 6. The conveying auger conveys the material into the quantitative scale 2, and then the material is weighed by the quantitative scale 2 and discharged into the packaging assembly 5. The packaging assembly 5 can fill the sample into the packaging bag. If necessary, a code sprayer of the prior art can be arranged on the rack 1 to spray and identify the packaging bag, so as to classify the samples and facilitate the subsequent process. The operation is simple, the labor intensity of manual sampling can be reduced, and the influence of human factors on the sampling quality can be reduced.
[0032] The quantitative scale 2 comprises a weighing box 21. One side of the weighing box 21 is fixedly connected to one end of a weighing assembly. The weighing assembly is installed on the rack 1. The upper end of the weighing box 21 is communicated with the conveying auger. The lower end of the weighing box 21 is provided with an opening and closing plate 22. One side of the opening and closing plate 22 is provided with a first linear module. The first linear module is installed on the weighing box 21. The first linear module is a linear cylinder or a linear motor of the prior art. The first linear module pushes the opening and closing plate 22 to move linearly below the weighing box 21, so as to realize the opening and closing between the weighing box 21 and the conveying pipe 3. The upper end of the conveying pipe 3 is provided with a feeding hopper 23, so as to collect and process the material in the weighing box 21.
[0033] The packing assembly 5 comprises a shaping cover 51, the shaping cover 51 is a reverse taper structure, the shaping cover 51 is installed on the rack 1, the shaping cover 51 is located outside the conveying pipe 3 and is eccentrically arranged with the conveying pipe 3, a material passing gap is arranged between the inner circle of the shaping cover 51 and the outer periphery of the conveying pipe 3, the lower surface of the film 42 is laid on the outer peripheral surface of the shaping cover 51, and one end of the film 42 is folded at the small opening end of the shaping cover 51 and introduced into the material passing gap, the upper surface of the film 42 is attached to the outer periphery of the conveying pipe 3, the "collar" structure of the shaping cover 51 limits the running path of the film 42, so as to wrap the outer periphery of the film 42 on the outer periphery of the conveying pipe 3, and the packing assembly 5 further comprises a pressing roller 52, the pressing roller 52 is located below the shaping cover 51, the middle part of the pressing roller 52 is fixedly sleeved with the transmission shaft of a driving motor 53, the driving motor 53 is fixedly installed on a first supporting plate 54, one side of the first supporting plate 54 is provided with a second linear module 55, the second linear module 55 is a linear cylinder or a linear motor in the prior art, and the second linear module 55 is fixedly installed on the rack 1 through a second supporting plate. In the embodiment, one pressing roller 52 is arranged on each side of the conveying pipe 3, and the film 42 is driven to slide downward in the material passing gap through the rolling of the pressing roller 52.
[0034] A driven roller 56 is rotatably sleeved on the first supporting plate 54, the outer periphery of the driven roller 56 and the pressing roller 52 form a synchronous transmission structure through a pressing belt 57, the outer periphery of the pressing belt is press-connected to the film 42, the pressing belt is a synchronous belt in the prior art, and the pressing belt is used for increasing the contact area of the pressing roller 52 and the film 42, so as to prevent the pressing roller 52 from slipping on the film 42.
[0035] The packing assembly 5 further comprises a side sealing plate 58, a first heating module is arranged in the side sealing plate 58, the first heating module is a heating coil in the prior art, the first heating module can heat the side sealing plate 58, the heated side sealing plate 58 can weld the joint of the film 42, so that the film 42 forms a continuous cylindrical structure, and the side sealing plate 58 is located on one side of the conveying pipe 3, the side sealing plate 58 is installed on the movable end of a third linear module 59, the third linear module 59 is installed on the rack 1, the third linear module 59 is a linear cylinder or a linear motor in the prior art, and the third linear module 59 is used for driving the side sealing plate 58 to approach or move away from the outer periphery of the conveying pipe 3.
[0036] The outer wall of the conveying pipe 3 is provided with a press-connecting groove 510 along the axial direction, and the press-connecting groove 510 is opposite to the side sealing plate 58, the film 42 is wrapped on the conveying pipe 3, and the wrapping gap of the film 42 is located in the press-connecting groove 510, the end face of the side sealing plate 58 can abut into the press-connecting groove 510, and the press-connecting groove 510 facilitates the plastic sealing of the side sealing plate 58 to the joint of the film 42.
[0037] The packing assembly 5 further comprises a lower sealing plate 511 located between the lower end of the conveying pipe 3 and the lower hopper 6, a second heating module is arranged in the lower sealing plate 511, the second heating module is a heating coil in the prior art, the second heating module can heat the lower sealing plate 511, one side of the lower sealing plate 511 is connected to a fourth linear module 512, the fourth linear module 512 is a linear cylinder or a linear motor in the prior art, the lower sealing plate 511 can seal and fuse the continuous cylindrical structure formed by the film 42, when the lower sealing plate 511 acts on the cylindrical structure and fuses it, the bottom of the cylindrical structure above the lower sealing plate 511 is sealed, the packaging bag below the lower sealing plate 511 is sealed, and the lower sealing plate 511 is opposite to the abutting plate 513, and the abutting plate 513 is slidingly connected to the rack 1, one first swing rod 514 is arranged on each side of the lower sealing plate 511, and each first swing rod 514 is eccentrically hinged to a rotating disc 515, the rotating disc 515 is rotatably sleeved to the support, and a second swing rod 516 is further hinged to each rotating disc 515, the second swing rod 516 is hinged to one side of the abutting plate 513, the abutting plate 513 and the lower sealing plate 511 can be synchronously moved by the rotating disc 515, and in order to improve the plastic sealing efficiency, a second heating module can be synchronously arranged in the abutting plate 513.
[0038] As shown in Figure 3 The lower end of the conveying pipe 3 is provided with two bag supporting rods 7, and the two bag supporting rods 7 are opposite to each other, the bag supporting rod 7 is in L-shaped or C-shaped structure, the distance between the end points of the outermost ends of the two opposite bag supporting rods 7 is greater than the outer diameter of the conveying pipe 3, and the bag supporting rod 7 is used for supporting the inner ring of the continuous cylindrical structure formed by the film 42, so that the material can be smoothly conveyed into the packaging bag.
[0039] In the embodiment, the bag feeding assembly 4 comprises a supporting and expanding shaft 41, and the supporting and expanding shaft 41 is a gas expanding shaft, the supporting and expanding shaft 41 is rotatably sleeved to the rack 1, and the inner ring winding core of the film 42 is sleeved to the periphery of the supporting and expanding shaft 41, and the film 42 winding sleeve is sleeved to the periphery of the supporting and expanding shaft 41, which is the prior art, and will not be described here.
[0040] The above only describes the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.
Claims
1. A device for automatic packing of quantitative sampling, characterized by: The application relates to a packaging machine, which comprises a rack (1) and a quantitative scale (2), a conveying pipe (3), an upper bag assembly (4), a packaging assembly (5) and a lower hopper (6) arranged on the rack (1) respectively, the upper end of the conveying pipe (3) is provided with the quantitative scale (2), the outer periphery of the conveying pipe (3) is provided with the packaging assembly (5), one side of the conveying pipe (3) is provided with the upper bag assembly (4), the upper bag assembly (4) can convey a film (42) to the outer periphery of the conveying pipe (3) and form a packaging bag through the packaging assembly (5), the quantitative scale (2) is externally connected with a conveying auger, the conveying auger is used for conveying materials into the quantitative scale (2), the quantitative scale (2) is used for weighing the materials and feeding the materials into the conveying pipe (3), the materials are transmitted into the packaging bag through the conveying pipe (3) and guided to the outside of the rack (1) through the lower hopper (6).
2. The automatic packed aliquoting device of claim 1, wherein: The quantitative scale (2) comprises a weighing box (21), one side of the weighing box (21) is fixedly connected to one end of a weighing assembly, the weighing assembly is installed on the rack (1), the upper end of the weighing box (21) is communicated with the conveying auger, the lower end of the weighing box (21) is provided with an opening and closing plate (22), one side of the opening and closing plate (22) is provided with a first linear module, and the first linear module is installed on the weighing box (21).
3. The automatic packed aliquoting device of claim 1, wherein: The packaging assembly (5) comprises a shaping cover (51), the shaping cover (51) is in an inverted conical structure, the shaping cover (51) is installed on the rack (1), the shaping cover (51) is located at the outer periphery of the conveying pipe (3) and is eccentrically arranged with the conveying pipe (3), a material passing gap is formed between the inner circle of the shaping cover (51) and the outer periphery of the conveying pipe (3), the lower surface of the film (42) is laid on the outer peripheral surface of the shaping cover (51), one end of the film (42) is folded and introduced into the material passing gap at the small end of the shaping cover (51), and the upper surface of the film (42) is attached to the outer periphery of the conveying pipe (3).
4. The automatic packed aliquoting device of claim 3, wherein: The packaging assembly (5) further comprises a material pressing roller (52), the material pressing roller (52) is located below the shaping cover (51), the middle part of the material pressing roller (52) is fixedly sleeved with a transmission shaft of a driving motor (53), the driving motor (53) is fixedly installed on a first supporting plate (54), one side of the first supporting plate (54) is provided with a second linear module (55), and the second linear module (55) is fixedly installed on the rack (1) through a second supporting plate.
5. The automatic packed aliquoting device of claim 3, wherein: A driven roller (56) is rotatably sleeved on the first supporting plate (54), the outer periphery of the driven roller (56) is connected with the material pressing roller (52) through a material pressing belt (57) to form a synchronous transmission structure, and the outer periphery of the material pressing belt is press-connected to the film (42).
6. The automatic packed aliquoting device of claim 3, wherein: The packaging assembly (5) further comprises a side sealing plate (58), the side sealing plate (58) is internally provided with a first heating module, the side sealing plate (58) is located at one side of the conveying pipe (3), the side sealing plate (58) is installed on the movable end of a third linear module (59), and the third linear module (59) is installed on the rack (1).
7. The automatic packed aliquoting device of claim 3, wherein: The outer wall of the conveying pipe (3) is provided with a press-connecting groove (510) along the axial direction, the press-connecting groove (510) is opposite to the side sealing plate (58), the film (42) is wrapped on the conveying pipe (3), and the wrapping gap of the film (42) is located in the press-connecting groove (510).
8. The automatic packed aliquoting device of claim 3, wherein: The packing assembly (5) further comprises a lower sealing plate (511) located between the lower end of the conveying pipe (3) and the lower hopper (6), a second heating module is arranged in the lower sealing plate (511), and one side of the lower sealing plate (511) is connected to a fourth linear module (512).
9. The automatic packed aliquoting device of claim 8, wherein: Opposite to the lower sealing plate (511), an abutting plate (513) is arranged, and the abutting plate (513) is slidingly connected to the rack (1); two first swing rods (514) are arranged on the two sides of the lower sealing plate (511) respectively, and each first swing rod (514) is eccentrically hinged to a rotating disc (515); the rotating disc (515) is rotatably sleeved to the support; and one second swing rod (516) is hinged to each rotating disc (515), and the second swing rod (516) is hinged to one side of the abutting plate (513).
10. The automatic packed aliquoting device of claim 1, wherein: The lower end of the conveying pipe (3) is provided with a bag supporting rod (7) for supporting the packaging bag.