Feeding bag heat sealing strength detection tool and cutting die
By designing the thermal-closing strength detection tooling and cutting mold of the feeding bag, the problem of inaccurate thermal-closing strength detection of the circular interface of the feeding bag is solved, and more accurate detection results are achieved, ensuring product quality and safety.
Patent Information
- Application Number
- CN202420528385.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-18
- Publication Date
- 2025-02-07
- Estimated Expiration
- 2034-03-18
AI Technical Summary
The prior art cannot accurately detect the thermal bonding strength at the circular interface of the feeding bag, resulting in inaccurate judgment and inability to meet quality control and safety requirements.
A thermal-combination strength detection tool for feeding bags is designed, including L-shaped tooling brackets and cutting molds. The feeding bags are cut through the cutting molds, and the circular interface is clamped with the tooling brackets, and the thermal-combination strength tester is used for testing. .
The accuracy of thermal bonding strength detection of feeding bags is improved. Compared with traditional manual prediction, the test results are more reliable and can better ensure product quality and safety.
Smart Images

Figure CN222439263U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of heat-sealing strength detection of packaging bags, in particular to a heat-sealing strength detection tool for feeding bags and a cutting die. Background Art
[0002] Testing heat seal strength is essential to ensure product quality and safety, especially in plastic packaging and other related industries. Here are a few main reasons to test heat seal strength:
[0003] Quality control: Heat seal strength is an important indicator to measure the strength of the heat seal of plastic. Through testing, we can ensure that the product meets the predetermined quality standards during the production process.
[0004] Safety: For the packaging of food, medicine and other sensitive products, the heat seal strength is directly related to the integrity and sealing of the packaging. If the heat seal strength is insufficient, it may cause the packaging to break during transportation or storage, thus affecting the quality and safety of the product.
[0005] Performance evaluation: The heat seal strength test helps to evaluate the comprehensive physical and mechanical properties of packaging materials, such as tensile strength, tear resistance and impact resistance.
[0006] Regulatory compliance: Many countries and regions have regulations and standards regarding packaging materials, requiring manufacturers to test heat seal strength to ensure that products meet regulatory requirements.
[0007] Consumer trust: High-quality packaging can enhance consumer trust in the product, and heat seal strength testing is a key step in ensuring packaging quality.
[0008] Cost control: By testing the heat seal strength, product loss due to packaging failure can be avoided, thus reducing costs and waste.
[0009] R&D improvement: The test results of heat seal strength can provide data support for material selection and process optimization, helping the R&D team to improve product design.
[0010] Environmental impact: Ensuring the heat-sealing strength of packaging materials can reduce packaging breakage and product leakage, thereby reducing environmental pollution.
[0011] In summary, heat seal strength testing is an important part of ensuring product quality, safety, compliance and optimizing the production process.
[0012] For the feeding bag, it is necessary to test the heat seal strength at the circular interface. This is because the circular interface is connected to the equipment. Currently, there is no tooling for testing the heat seal strength of the feeding bag. The heat seal strength cannot be tested using a heat seal strength tester. It can only be tested manually based on experience, resulting in inaccurate judgment of the heat seal strength. Utility Model Content
[0013] The utility model discloses a feeding bag heat seal strength testing tool and a cutting die. The feeding bag is cut and then clamped by the heat seal strength testing tool, so that the testing is convenient by using a heat seal strength tester.
[0014] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0015] The utility model discloses a tool for testing the heat-sealing strength of a feeding bag, comprising a tool bracket, which is L-shaped, a sample fixing frame is installed on the upper end of the tool bracket, the sample fixing frame is annular, an air expansion shaft is arranged inside the sample fixing frame, and a circular interface of the feeding bag is located between the sample fixing frame and the air expansion shaft.
[0016] Furthermore, the tooling bracket includes a mounting base plate and a vertical support plate, the mounting base plate is perpendicular to the vertical support plate, and the sample fixing frame and the air expansion shaft are both mounted on the vertical support plate.
[0017] Furthermore, the sample holder and the air expansion shaft are both cylindrical, the top of the sample holder is lower than the top of the vertical support plate, and two guide shafts are provided on the top of the vertical support plate. The guide shafts are located directly above the sample holder, and the distance between the two guide shafts is greater than 15 mm.
[0018] Furthermore, a mounting groove is provided in the middle of the mounting base plate, and the mounting groove is an open structure.
[0019] The utility model also discloses a cutting mold, including a mold body, which is in a circular ring shape, and an annular groove is provided on the outer side of the upper end of the mold body. The circular interface is clamped in the annular groove, and the mold body is provided with a plurality of groups of vertically arranged spline generating grooves, each group of spline generating grooves includes 2 spline generating grooves, and the spline generating grooves are parallel to the axis of the mold body.
[0020] Furthermore, the spacing between the two spline generating grooves is 15 mm, and each group of spline generating grooves is distributed on a circumference.
[0021] Furthermore, a sealing plate is provided on the inner side of the annular groove of the mold body.
[0022] The beneficial effects of the utility model are:
[0023] The utility model uses a cutting mold to cut the feeding bag, and then uses the feeding bag heat sealing strength testing tooling to clamp the feeding bag, so that the heat sealing strength tester can perform heat sealing strength testing on the cut specimens. Compared with traditional manual estimation, the test accuracy of the heat sealing strength is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0024] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0025] Figure 1 It is a schematic diagram of a tooling for testing the heat-sealing strength of a feeding bag according to an embodiment of the utility model.
[0026] Figure 2 This is a front view of a tool for testing the heat-sealing strength of a feeding bag according to one embodiment of the utility model.
[0027] Figure 3 It is a right view of a tool for testing the heat-sealing strength of feeding bags according to one embodiment of the utility model.
[0028] Figure 4 It is a top view of a tool for testing the heat-sealing strength of a feeding bag according to one embodiment of the utility model.
[0029] Figure 5 This is a top view of a cutting mold according to an embodiment of the present invention.
[0030] Figure 6 for Figure 5 Middle AA section view. DETAILED DESCRIPTION
[0031] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.
[0032] As shown in the figure, the utility model discloses a tool for testing the heat seal strength of a feeding bag, including a tool support 1, the tool support 1 is L-shaped, a sample holder 2 is installed on the upper end of the tool support 1, the sample holder 2 is annular, and an air expansion shaft 3 is arranged inside the sample holder 2, and the circular interface of the feeding bag is located between the sample holder 2 and the air expansion shaft 3. The air expansion shaft 3 can use the air expansion shaft disclosed in the application number 2019208847118, of course, other air expansion shafts can also be used, and it is only necessary to fix the circular interface. First, place the circular interface between the air expansion shaft 3 and the sample holder 2, and then the air expansion shaft works, the air expansion shaft and the sample holder 2 fix the circular interface, and then the heat seal strength tester works. The heat seal strength tester is a conventional equipment in the industry, such as a microcomputer-controlled electronic tensile testing machine, which will not be described in detail here. Pull up one end of the cut spline to achieve heat seal strength detection. The heat seal strength here is the heat seal strength at the connection between the spline and the circular interface.
[0033] In one embodiment of the utility model, the tooling support 1 includes a mounting base plate 11 and a vertical support plate 12, the mounting base plate 11 is perpendicular to the vertical support plate 12, and the sample fixing frame 2 and the air expansion shaft 3 are both mounted on the vertical support plate 12. The vertical support plate 12 is convenient for fixing the circular interface. The circular interface here is a conventional part in the industry, which is used to connect to the inlet of the sterile isolator and will not be described in detail here.
[0034] In one embodiment of the utility model, the sample holder 2 and the air expansion shaft 3 are both cylindrical, the top of the sample holder 2 is lower than the top of the vertical support plate 12, and two guide shafts 4 are provided on the top of the vertical support plate 12. The guide shafts 4 are located directly above the sample holder 2, and the distance between the two guide shafts 4 is greater than 15 mm. The spline passes through the two guide shafts 4, and one end of the spline is connected to the upper end of the heat seal strength tester. The other end of the spline is in a heat seal state with the circular interface, so the heat seal strength tester only needs to pull the spline to test the heat seal strength between the spline and the circular interface.
[0035] In an embodiment of the present invention, a mounting groove 111 is provided in the middle of the mounting base plate 11 , and the mounting groove 111 is an open structure and is used to adjust the position of the mounting base plate 11 .
[0036] The utility model also discloses a cutting mold, including a mold body 5, the mold body 5 is annular, an annular groove 51 is provided on the outer side of the upper end of the mold body 5, a circular interface is clamped at the annular groove 51, and the mold body 5 is provided with a plurality of groups of vertically arranged spline generating grooves 52, each group of spline generating grooves includes 2 spline generating grooves, and the spline generating grooves are parallel to the axis of the mold body. The circular interface and the bag body of the feeding bag are in a heat-sealed state, the circular interface is first put on the mold body 5, and then cut at the spline generating groove 42 with a knife, and then the bag body is cut at the bottom, so that the spline is rectangular, one end of the spline is heat-fused with the circular interface, and the other 3 parts of the spline are cut.
[0037] In one embodiment of the present invention, the spacing between two spline generating grooves is 15 mm, and each group of spline generating grooves is distributed around the circumference. The size of 15 mm is the test standard.
[0038] In one embodiment of the present invention, a sealing plate 6 is provided at the inner side of the annular groove of the mold body.
[0039] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. Feed bag heat seal strength testing tool, characterized in that: It includes a tooling bracket, which is L-shaped. A sample fixing frame is installed on the upper end of the tooling bracket. The sample fixing frame is annular. An air expansion shaft is arranged inside the sample fixing frame. The circular interface of the feeding bag is located between the sample fixing frame and the air expansion shaft.
2. The feeding bag heat seal strength testing tool according to claim 1, characterized in that: The tooling bracket comprises a mounting base plate and a vertical supporting plate. The mounting base plate is perpendicular to the vertical supporting plate. The sample fixing frame and the air expansion shaft are both mounted on the vertical supporting plate.
3. The heat seal strength testing tool for feeding bags according to claim 2, characterized in that: The sample holder and the air expansion shaft are both cylindrical. The top of the sample holder is lower than the top of the vertical support plate. Two guide shafts are provided on the top of the vertical support plate. The guide shafts are located directly above the sample holder, and the distance between the two guide shafts is greater than 15 mm.
4. The heat seal strength testing tool for feeding bags according to claim 2, characterized in that: A mounting groove is arranged in the middle of the mounting base plate, and the mounting groove is an open structure.
5. A cutting die, characterized in that: The mold body includes a mold body, which is in a circular ring shape. An annular groove is arranged on the outer side of the upper end of the mold body. The circular interface is clamped in the annular groove. The mold body is provided with a plurality of groups of vertically arranged spline generating grooves. Each group of spline generating grooves includes 2 spline generating grooves. The spline generating grooves are parallel to the axis of the mold body.
6. A cutting die according to claim 5, characterized in that: The spacing between the two spline generating grooves is 15 mm, and each group of spline generating grooves is distributed on the circumference.
7. A cutting die according to claim 5, characterized in that: A sealing plate is arranged on the inner side of the annular groove of the mold body.