Online weighing detection mechanism for packaging machine
By designing an online weighing detection mechanism on the packaging machine, using the L-shaped support and weighing sensor clamp structure, the bag is weighed in real time before sealing, solving the complex problems of packaging bag waste and debugging in the prior art, reducing costs and simplifying operations.
Patent Information
- Application Number
- CN202422175315.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-05
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-05
AI Technical Summary
The existing level bag-type packaging machines conduct online weight testing after the finished product inspection, resulting in waste and increased cost of packaging bags, and complex debugging and high professional level requirements.
Design an online weighing detection mechanism for packaging machines, using L-shaped support, weighing sensor and finger cylinder clamp structure to achieve real-time weighing of bags before sealing, reducing waste of packaging bags.
It realizes real-time observation of the weight of materials in the packaging bag before sealing, reduces waste of packaging bags, simplifies the debugging process, reduces the professional level requirements for workers, and reduces costs.
Smart Images

Figure CN223179628U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of packaging machinery, in particular to an on-line weighing and detecting mechanism for a packaging machine. Background Technique
[0002] Existing horizontal bag-feeding packaging machines or similar packaging machines generally solve whether the finished product weight is qualified. An on-line weight detection and rejection machine is usually equipped after the finished product of the packaging machine, so that unqualified products can be rejected on-line. Such a packaging process wastes bags because the packaging machine has already loaded the materials into the bags and heat-sealed them before detecting the weight, so it will cause secondary waste. The disadvantages of such a technology are high cost, and an additional device must be added to meet the requirements; secondly, it will cause secondary waste of finished products. The bags are heat-sealed and cannot be recycled. They must be unpacked manually, leaving the materials in the bags and discarding the outer bags. Finally, the production debugging process is cumbersome and time-consuming, and the professional level requirements for debugging personnel are high. Content of the Utility Model
[0003] The purpose of the utility model is to provide an on-line weighing and detecting mechanism for a packaging machine to solve the problems put forward in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical scheme: an on-line weighing and detecting mechanism for a packaging machine, including an L-shaped support, the back of the support is pushed by a lifting cylinder, a connecting plate is installed on the front side of the support through a weighing sensor, a finger cylinder vertically downward is fixedly installed at the bottom of the connecting plate, clamping plates are correspondingly installed on two clamping fingers of the finger cylinder, and the lower ends of the two clamping plates are bent inward to form a clamping part.
[0005] Preferably, through holes are provided on both the support and the connecting plate.
[0006] Preferably, a rubber pad is bonded to the inner side of the clamping part, and the rubber pad contacts the seal of the packaging bag to play a role in anti-slip.
[0007] Compared with the prior art, the beneficial effect of the utility model is that the bag is clamped by the finger cylinder, and then the weight of the bag is weighed by the weighing sensor, and the dynamic gram weight data of each package can be observed in real time, so that it can be known whether there is material in each package or the weight of the material. Weighing is carried out before sealing, reducing the waste of packaging bags. Description of the Drawings
[0008] Figure 1 is a three-dimensional structural schematic diagram of the utility model;
[0009] Figure 2 is an installation schematic diagram of the utility model.
[0010] In the figure: 1. Support; 2. Weighing sensor; 3. Connecting plate; 4. Finger cylinder; 5. Clamping plate. Detailed implementation manners
[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0012] Please refer to Figure 1-2 , the present utility model provides a technical solution: an online weighing and detecting mechanism for a packaging machine, including an L-shaped support 1, the back of the support 1 is pushed by a lifting cylinder, a connecting plate 3 is installed on the front side of the support 1 through a weighing sensor 2, through mounting holes are provided on both the support 1 and the connecting plate 3, a vertically downward finger cylinder 4 is fixedly installed at the bottom of the connecting plate 3, clamping plates 5 are correspondingly installed on the two fingers of the finger cylinder 4, the lower ends of the two clamping plates 5 are bent inward to form a clamping portion, a rubber pad is adhered to the inner side of the clamping portion, and the rubber pad contacts the seal of the packaging bag to play a role in anti-slip. After filling materials into the bag, the bag is clamped for weighing and the weight information is displayed for real-time observation. When weighing, the lifting cylinder extends to clamp the packaging bag. This mechanism is directly used on the original machine, so the debugging is simple, the requirements for workers are not high, and the occupied space is small.
[0013] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.
Claims
1. An on-line weighing and detecting mechanism for a packaging machine, comprising an L-shaped support (1), the back of the support (1) being pushed by a lifting cylinder, characterized in that: A connecting plate (3) is installed on the front side of the support (1) through a weighing sensor (2). A finger cylinder (4) vertically downward is fixedly installed at the bottom of the connecting plate (3). Clamping plates (5) are correspondingly installed on two clamping fingers of the finger cylinder (4). The lower ends of the two clamping plates (5) are bent inward to form a clamping part.
2. The on-line weighing and detecting mechanism for a packaging machine according to claim 1, characterized in that: The support (1) and the connecting plate (3) are both provided with through mounting holes.
3. The on-line weighing and detecting mechanism for a packaging machine according to claim 1, characterized in that: A rubber pad is bonded to the inner side of the clamping part. The rubber pad contacts the seal of the packaging bag to play a role in anti-slip.