Bag clamping structure of powder packing scale

By setting a combination of ring clamps and dust collection nets on the powder packaging scale, the sealing problem of the bag clamping structure of the powder packaging scale is solved, realizing the effective sealing and recycling of powder, reducing powder waste and environmental pollution.

CN224061331UActive Publication Date: 2026-03-31HUANGSHI HUANYU MASCH TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-31

AI Technical Summary

Technical Problem

The existing bag clamping structure of powder packaging scales cannot completely seal the bag opening, causing powder to float out from the gap between the bag opening and the discharge hopper during the filling process, resulting in waste and environmental pollution.

Method used

The design employs a ring-shaped positioning clamp and auxiliary clamp, along with a protective sleeve and a dust collection net, to form a closed space. The dust collection net absorbs the drifting dust, preventing leakage and allowing for centralized collection.

Benefits of technology

It effectively prevents powder leakage, reduces waste, improves packaging accuracy, and protects the environment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a bag clamping structure of a powder packing scale, which comprises two positioning clamps and two auxiliary clamps annularly wrapping the outer side of a discharge hopper, the positioning clamps and the auxiliary clamps are symmetrically distributed by taking the center of the discharge hopper as an original point, a sleeve piece is arranged between the adjacent positioning clamp and auxiliary clamp, and the sleeve piece is sleeved on the discharge hopper. According to the utility model, the protective sleeve arranged between the positioning clamp and the auxiliary clamp is matched with the dust collection net and the positioning clamp to clamp a packaging bag, the protective sleeve can increase a closed space on the outer side of the discharging hopper, so that the packaging bag is prevented from being damaged, and the packaging bag is prevented from being damaged. Dust blown out of a gap between the bag opening and the discharging hopper can be collected in a centralized mode, the dust collection net can adsorb and fix the dust, the leaked dust is prevented from diffusing around, meanwhile, the dust can be collected in a centralized mode, the dust can be conveniently weighed and packaged again, and waste is reduced.
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Description

Technical Field

[0001] This utility model relates to the field of powder packaging scale technology, specifically to a bag clamping structure for a powder packaging scale. Background Technology

[0002] A powder packaging scale is an automated device specifically designed for the quantitative weighing and packaging of powdery materials. Utilizing gravity or volumetric metering principles combined with high-precision electronic sensors, the equipment enables precise control of the packaged weight within a small error range, reducing material waste. It is commonly used in agriculture, chemical, and food industries.

[0003] During the use of existing powder packaging scales, the inventors discovered that when the bag clamping structure of the powder packaging scale clamps the packaging bag to the outside of the discharge hopper, the bag opening will converge towards the discharge hopper and shrink, causing folding at part of the bag opening, increasing the thickness, and making the overall thickness of the bag opening uneven. When the bag clamping structure clamps the bag opening, it cannot completely seal the bag opening, and a small amount of powder will drift out from the gap between the bag opening and the discharge hopper during the filling process, affecting the surrounding environment. Utility Model Content

[0004] Based on the above description, this utility model provides a bag clamping structure for a powder packaging scale to solve the problem that when the existing bag clamping structure of the powder packaging scale clamps the bag opening, it cannot completely seal the bag opening, and a small amount of powder will float out and leak from the gap between the bag opening and the discharge hopper during the filling process.

[0005] The technical solution of this utility model to solve the above-mentioned technical problems is as follows: A bag clamping structure for a powder packaging scale includes: a positioning clamp and an auxiliary clamp that are wrapped in a ring around the outside of the discharge hopper. There are two positioning clamps and two auxiliary clamps, which are symmetrically distributed with the center of the discharge hopper as the origin. A kit is provided between two adjacent positioning clamps and auxiliary clamps. The kit is wrapped around the outside of the discharge hopper to form a closure. A dust collection net is installed on the inner side of the kit.

[0006] Based on the above technical solution, the present invention can be further improved as follows.

[0007] Furthermore, both the positioning clamp and the auxiliary clamp are semi-circular, and both ends of the positioning clamp and the auxiliary clamp are bent outward at a 90-degree angle. The ends of the two positioning clamps and the two auxiliary clamps are in contact with each other.

[0008] Furthermore, the kit includes a protective sleeve, a groove, and a column head. The protective sleeve is installed between two adjacent positioning clamps and auxiliary clamps. The protective sleeve is semi-circular and fits against the outside of the discharge hopper. Both ends of the protective sleeve are bent outward at a 90-degree angle.

[0009] Furthermore, the two ends of the two protective sleeves are fitted together, and the bottom and top of the protective sleeves overlap with the positioning clamp and the auxiliary clamp, respectively.

[0010] Furthermore, the groove is formed inside the protective sleeve and extends toward both ends of the protective sleeve, and the post head is fixedly connected to the inside of the groove.

[0011] Furthermore, the dust collection net is fastened to the outside of the column head.

[0012] Furthermore, clamping arms are fixedly connected to both ends of the positioning clamp on the side away from the discharge hopper, and an extension is integrally formed on the outer side of the clamping arm. The extension is fixedly connected to both ends of the auxiliary clamp on the side away from the discharge hopper.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0014] This invention utilizes a protective sleeve placed between the positioning clamp and the auxiliary clamp, along with a dust collection net. When the positioning clamp holds the packaging bag, the protective sleeve increases the enclosed space outside the discharge hopper, collecting the dust that drifts out from the gap between the bag opening and the discharge hopper. The dust collection net then adsorbs and fixes the dust, preventing the leaked dust from spreading to the surrounding area. It also collects and recycles the dust, facilitating re-weighing and repackaging and reducing waste. Attached Figure Description

[0015] Figure 1 A cross-sectional structural diagram of the bag clamping structure of a powder packaging scale provided for an embodiment of this utility model;

[0016] Figure 2 This is a schematic diagram showing the connection between the kit and the dust collection net in an embodiment of this utility model;

[0017] Figure 3 This is an exploded view of the kit and the dust collection net in an embodiment of this utility model;

[0018] Figure 4 A schematic diagram of the bag clamping structure of a powder packaging scale provided in this embodiment of the present invention;

[0019] The attached diagram lists the components represented by each number as follows:

[0020] 1. Positioning clamp; 2. Auxiliary clamp; 3. Kit; 31. Protective sleeve; 32. Groove; 33. Column head; 4. Dust collection net; 5. Clamping arm; 51. Extension. Detailed Implementation

[0021] To facilitate understanding of this application, a more complete description will be provided below with reference to the accompanying drawings, which illustrate embodiments of the present application. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of this application will be thorough and complete.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

[0023] Please see Figure 1-4 The present invention relates to a bag clamping structure for a powder packaging scale, comprising: a positioning clamp 1 and an auxiliary clamp 2 that are wrapped in a ring around the outside of the discharge hopper. There are two positioning clamps 1 and two auxiliary clamps 2, which are symmetrically distributed with the center of the discharge hopper as the origin. A kit 3 is provided between two adjacent positioning clamps 1 and auxiliary clamps 2. The kit 3 is wrapped around the outside of the discharge hopper to form a closed loop. A dust collection net 4 is installed on the inner side of the kit 3.

[0024] Please see Figure 2 Both the positioning clamp 1 and the auxiliary clamp 2 are semi-circular. Both ends of the positioning clamp 1 and the auxiliary clamp 2 are bent outward at a 90-degree angle. The ends of the two positioning clamps 1 and the two auxiliary clamps 2 are fitted together. When the positioning clamp 1 is clamped on the outside of the discharge hopper, the auxiliary clamp 2 is also clamped on the outside of the discharge hopper simultaneously through the clamping arm 5. The auxiliary clamp 2 and the positioning clamp 1 cooperate to make the protective sleeve 31 stably fit on the outside of the discharge hopper to form a seal.

[0025] Please see Figure 3 The kit 3 includes a protective sleeve 31, a groove 32, and a column head 33. The protective sleeve 31 is installed between two adjacent positioning clamps 1 and auxiliary clamps 2. The protective sleeve 31 is semi-circular and fits against the outside of the discharge hopper. The two ends of the protective sleeve 31 are bent at a 90-degree angle to the outside. The two ends of the two protective sleeves 31 fit against each other. The bottom and top of the protective sleeve 31 overlap with the positioning clamps 1 and auxiliary clamps 2, respectively. When the positioning clamps 1 and auxiliary clamps 2 are clamped simultaneously on the outside of the discharge hopper, the protective sleeve 31 can fit against the discharge hopper and seal the area between the positioning clamps 1 and auxiliary clamps 2 under the action of the clamping arm 5, forming an additional closed space on the outside of the positioning clamps 1 to prevent powder from floating out from the gap between the bag opening and the discharge hopper during the filling process and spreading to the surroundings.

[0026] Please see Figure 2The groove 32 is formed inside the protective sleeve 31 and extends towards both ends of the protective sleeve 31. The column head 33 is fixedly connected to the inside of the groove 32. The groove 32 provides space for the installation of the dust collection net 4 and the accommodation of the bag opening. The column head 33 is distributed in a rectangular array in the groove 32, providing multiple force-bearing installation points for the dust collection net 4. The surface of the dust collection net 4 has many holes, which can be directly fixed to the outside of the column head 33 by snap-fit, covering the inside of the groove 32. When the dust floats out from the gap between the bag opening and the discharge hopper, the dust net and the protective sleeve 31 cooperate. While the protective sleeve 31 prevents the leaked dust from spreading to the surroundings, the dust net can absorb and treat the leaked dust, collect and recycle the dust, and facilitate the re-weighing and packaging of the dust, reducing waste.

[0027] Please see Figure 4 The positioning clamp 1 has clamping arms 5 fixedly connected to both ends on the side away from the discharge hopper. The outer side of the clamping arm 5 has an integrally formed extension 51, which is fixedly connected to both ends of the auxiliary clamp 2 on the side away from the discharge hopper.

[0028] When used herein, the singular forms of “a,” “an,” and “the” may also include the plural forms unless the context clearly indicates otherwise. It should also be understood that the terms “comprising,” “including,” or “having,” etc., specify the presence of the stated feature, whole, step, operation, component, part, or combination thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts, or combinations thereof.

[0029] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bag clamping structure of a powder packing scale, characterized by comprising: Including: The positioning clamp (1) and the auxiliary clamp (2) are wrapped outside the discharge hopper, the positioning clamp (1) and the auxiliary clamp (2) are two, and the center of the discharge hopper is symmetrically distributed as the origin, the adjacent two positioning clamps (1) and auxiliary clamps (2) are provided with a sleeve (3), the sleeve (3) is wrapped outside the discharge hopper to form a closed, the inner side of the sleeve (3) is provided with a dust collection net (4).

2. The bag clamp structure of the powder packaging scale according to claim 1, characterized in that: The positioning clamp (1) and the auxiliary clamp (2) are semicircular, the two ends of the positioning clamp (1) and the auxiliary clamp (2) are bent outward by 90 degrees, and the two ends of the two positioning clamps (1) and the two ends of the two auxiliary clamps (2) are mutually adhered.

3. The bag clamp structure of the powder packaging scale according to claim 1, characterized in that: The sleeve (3) includes a protective sleeve (31), a groove (32) and a stud (33), the protective sleeve (31) is installed between the adjacent two positioning clamps (1) and auxiliary clamps (2), the protective sleeve (31) is semicircular and adheres to the outside of the discharge hopper, and the two ends of the protective sleeve (31) are bent outward by 90 degrees.

4. The bag clamp structure of the powder packaging scale according to claim 3, characterized in that: The two ends of the two protective sleeves (31) are mutually adhered, and the bottom and top of the protective sleeve (31) are overlapped with the positioning clamp (1) and the auxiliary clamp (2) respectively.

5. The bag clamp structure of the powder packaging scale according to claim 3, characterized in that: The groove (32) is opened in the inner side of the protective sleeve (31) and extends towards the two ends of the protective sleeve (31), and the stud (33) is fixedly connected to the inner side of the groove (32).

6. The bag clamp structure of the powder packaging scale according to claim 3, characterized in that: The dust collection net (4) is buckled on the outer side of the stud (33).

7. The bag clamp structure of the powder packaging scale according to claim 1, characterized in that: The two ends of the positioning clamp (1) away from the discharge hopper are fixedly connected with clamp arms (5), the outer side of the clamp arm (5) is integrally formed with an extension (51), and the extension (51) is fixedly connected with the two ends of the auxiliary clamp (2) away from the discharge hopper.