CN219192752U - Low-shear heat sealing equipment - Google Patents
Low-shear heat sealing equipment Download PDFInfo
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- CN219192752U CN219192752U CN202223269355.XU CN202223269355U CN219192752U CN 219192752 U CN219192752 U CN 219192752U CN 202223269355 U CN202223269355 U CN 202223269355U CN 219192752 U CN219192752 U CN 219192752U
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- heat sealing
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- low shear
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses low-shear force heat sealing equipment, which comprises a first heat sealing structure, a second heat sealing structure and a second heat sealing structure, wherein the first heat sealing structure comprises a first heat sealing jaw and a first heat sealing cover arranged on the first heat sealing jaw; the second heat sealing structure comprises a second heat sealing jaw and a second heat sealing cover arranged on the second heat sealing jaw; the first heat cover and the second heat seal face are arranged in opposite directions, and at least one of the first heat cover and the second heat cover is made of a nonmetallic material; the first heat sealing jaw is provided with a heat sealing groove, and the first heat sealing surface is arranged in the heat sealing groove. The heat sealing equipment provided by the utility model has the advantages that the appearance after heat sealing is good, the problems of deformation and curling are avoided, the packaging efficiency is improved, and the material loss is reduced.
Description
Technical Field
The utility model relates to the technical field of heat sealing of flexible packaging materials, in particular to low-shear force heat sealing equipment.
Background
The heat conduction mode heats the packaging material, and the heat sealing layers of the packaging material are fused and sealed under the pressure action of the heat sealing jaws at the two sides. When the heat-conducting heat-sealing method is applied to the composite film flexible packaging material, the flexible packaging material is made of biaxially oriented polyester, nylon or paper and the like with good outer layer temperature resistance, and the inner layer is made of polyethylene or polyethylene material with low melting temperature.
At present, jaws on two sides of a heat sealing device are metal occlusion saw teeth (shown in figure 1), when a recyclable polyolefin or a single polyethylene structure composite flexible packaging material is heat sealed, when the heat outer layer is conducted to the inner layer, the outer layer material receives the shearing action of a temperature and an all-metal occlusion saw tooth heat sealing knife, so that the heat sealing device is easy to deform and even break, and the packaging performance and appearance and even the package integrity are influenced; in addition, the jaws at two sides of the existing heat sealing equipment adopt a symmetrical heating mode (namely the temperature of the jaws at two sides is adjusted to be the same), and the heat sealing window is only 3-5 ℃.
Disclosure of Invention
In view of the above, the present utility model discloses a low shear heat sealing apparatus which is effective in solving the above-mentioned problems of the prior art.
In order to achieve the above object, the present utility model provides a low shear heat sealing apparatus, which includes a first heat sealing structure including a first heat sealing jaw and a first heat cover mounted on the first heat sealing jaw; the second heat sealing structure comprises a second heat sealing jaw and a second heat sealing cover arranged on the second heat sealing jaw; the first heat cover and the second heat seal face are arranged in opposite directions, and at least one of the first heat cover and the second heat cover is made of a nonmetal material.
Further, the temperature of the first thermal cover is lower than the temperature of the second thermal cover.
Further, the first heat sealing surface is made of a non-metal material, and the second heat sealing surface is made of a metal material.
Further, the first heat sealing surface is made of soft silica gel material, and the second heat sealing surface is made of rigid metal material.
Further, the silica gel material adopts sheet silica gel.
Further, a heat sealing groove is formed in the first heat sealing jaw, the first heat sealing surface is arranged in the heat sealing groove, and the first heat sealing surface is matched with the shape and the size of the heat sealing groove.
Further, the second hot cover is provided with a plurality of parallel long-strip-shaped sawtooth bulges towards the first hot cover side.
The second hot cover is sized to fit the first hot cover.
Further, the cross section of the first heat sealing jaw is of a T-shaped structure, and a heat sealing groove is formed in the top of the first heat sealing jaw.
Further, the second heat sealing jaw and the second heat sealing surface are integrally formed, and the structure of the second heat sealing jaw and the second heat sealing surface is an inverted T-shaped structure.
A low shear heat sealing apparatus is provided for heat sealing flexible packaging materials.
A heat sealing method of a low shear force heat sealing device,
(1) The temperature resistance of the outer layer material of the adopted flexible packaging material is better than that of the inner layer material;
(2) The temperature set by the first heat sealing surface is lower than the melting point of the inner layer of the flexible packaging material, and the temperature of the second heat sealing surface is lower than the melting point of the outer layer of the flexible packaging material.
The utility model has the advantages and beneficial effects that:
(1) In the utility model, the soft packaging material is adopted, and the temperature resistance of the outer layer material is better than that of the inner layer material. The flexible packaging material to be heat-sealed is placed between the first heat cover and the second heat-sealed surface, and the temperature of the second heat cover is set to be 5-20 degrees lower than the melting point of the outer layer of the composite material by setting the temperature of the first heat cover to be 0-10 degrees lower than the melting point of the inner layer of the composite material. When the first heat cover and the second heat seal face the flexible package material to be contacted with each other firstly in the extrusion process, the inner layer material adopted by the flexible package is melted and sealed firstly, and then the outer layer heat seal of the flexible package material is completed under the continuous extrusion of the second heat cover and the first heat cover. Through this setting, can make the outward appearance good after the heat-seal, no deformation and turn-up problem improves packing efficiency, reduces the material loss.
(2) According to the utility model, the first heat sealing surface arranged on the first heat sealing jaw is made of soft silica gel material, the second heat sealing surface arranged on the second heat sealing jaw is made of saw tooth protrusions, and when the soft packaging material is subjected to heat sealing through the first heat sealing surface and the second heat sealing surface, the soft silica gel material can buffer the pressing of the saw tooth protrusions, so that the problems of deformation, cracking and the like caused by occlusion heat sealing of double-side saw teeth adopted in the prior art can be effectively solved.
(3) On the premise of not affecting the packaging efficiency, the utility model uses the low temperature resistant material to have wider heat sealing window, improves the heat sealing window to reach 10-15 ℃, has smooth appearance and good mechanical property, and solves the problems that the low temperature resistant material is difficult to use in automatic packaging and the packaging efficiency is low.
Drawings
FIG. 1 is a schematic view of a heat seal structure employed in the prior art as described in the background art;
FIG. 2 is a schematic illustration of a low shear heat sealing apparatus according to the present utility model;
FIG. 3 is a view of the use of a low shear heat sealing apparatus according to the present utility model;
FIG. 4 is another angular schematic view of FIG. 2;
a first heat sealing jaw 1, a first heat cover 2, a second heat sealing jaw 3, a second heat cover 4, a heat sealing groove 5 and a saw tooth protrusion 6.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
As shown in fig. 2-4, a low shear heat sealing apparatus includes a first heat sealing structure including a first heat sealing jaw 1 and a first heat cover 2 mounted on the first heat sealing jaw 1; the second heat sealing structure comprises a second heat sealing jaw 3 and a second heat cover 4 arranged on the second heat sealing jaw 3; the first heat cover and the second heat seal face are arranged opposite to each other, and at least one of the first heat cover 2 and the second heat cover 4 is made of a non-metal material.
As a preference of the above-mentioned solution, the temperature of the first thermal cover 2 is lower than the temperature of the second thermal cover 4.
As a preferable aspect of the foregoing disclosure, the first thermal cover 2 is made of a non-metal material, and the second thermal cover 4 is made of a metal material.
As a preferable aspect of the foregoing disclosure, the first heat-sealing cover 2 is made of soft silica gel material, and the second heat-sealing cover 4 is made of rigid metal material.
In the above technical scheme, the first heat sealing jaw 1 and the second heat sealing jaw 3 are both made of metal materials, the first heat sealing cover 2 is made of sheet silica gel, and the second heat sealing cover 4 is made of copper alloy materials.
As the preference of the above technical scheme, the first heat sealing jaw 1 is provided with a heat sealing groove 5, the first heat cover 2 is installed in the heat sealing groove 5, and the first heat cover 2 is matched with the shape and the size of the heat sealing groove 5.
As a preferable aspect of the foregoing technical solution, the second hot cover 4 is provided with a plurality of sawtooth protrusions 6 toward the first hot cover 2.
The second thermal cover 4 is sized to fit the first thermal cover 2. As shown in the figure, the size of the end face of the second heat cover facing one side of the first heat sealing surface is matched with the size of the end face of the first heat cover facing the second heat cover.
As a preferable mode of the above technical solution, the cross section of the first heat sealing jaw 1 is in a T-shaped structure, and the top of the first heat sealing jaw 1 is provided with a heat sealing groove 5.
As a preferable aspect of the foregoing disclosure, the second heat sealing jaw 3 and the second heat sealing surface 4 are integrally formed, and the structure of the second heat sealing jaw 3 and the second heat sealing surface 4 integrally formed is an inverted T-shaped structure.
As a preferred aspect of the above-described technical solution, a low shear heat sealing apparatus is provided, which can be used for heat sealing of flexible packaging materials.
As a preferable aspect of the above-described technical solution, a heat sealing method of a low shear force heat sealing apparatus,
(1) The temperature resistance of the outer layer material of the adopted flexible packaging material is better than that of the inner layer material;
(2) The temperature set by the first heat cover 2 is lower than the melting point of the inner layer of the flexible packaging material, and the temperature set by the second heat cover 4 is lower than the melting point of the outer layer of the flexible packaging material.
The implementation principle of the utility model is as follows:
in the utility model, the soft packaging material is adopted, and the temperature resistance of the outer layer material is better than that of the inner layer material. The flexible packaging material to be heat-sealed is placed between the first heat cover and the second heat-sealed surface, and the temperature of the second heat cover is set to be 5-20 degrees lower than the melting point of the outer layer of the composite material by setting the temperature of the first heat cover to be 0-10 degrees lower than the melting point of the inner layer of the composite material. When the first heat cover and the second heat seal face the flexible package material to be contacted with each other firstly in the extrusion process, the inner layer material adopted by the flexible package is melted and sealed firstly, and then the outer layer heat seal of the flexible package material is completed under the continuous extrusion of the second heat cover and the first heat cover. Through this setting, can make the outward appearance good after the heat-seal, no deformation and turn-up problem improves packing efficiency, reduces the material loss.
In addition, in the utility model, the first heat sealing surface arranged on the first heat sealing jaw is made of soft silica gel material, the second heat sealing surface arranged on the second heat sealing jaw is made of saw tooth protrusions, and when the soft packaging material is subjected to heat sealing through the first heat sealing surface and the second heat sealing surface, the soft silica gel material can buffer the pressing of the saw tooth protrusions, so that the problems of deformation, breakage and the like caused by the occlusion heat sealing of double-side saw teeth adopted in the prior art can be effectively solved.
On the premise of not affecting the packaging efficiency, the utility model uses the low temperature resistant material to have wider heat sealing window, improves the heat sealing window to reach 10-15 ℃, has smooth appearance and good mechanical property, and solves the problems that the low temperature resistant material is difficult to use in automatic packaging and the packaging efficiency is low.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (8)
1. A low shear heat sealing apparatus comprising
The first heat sealing structure comprises a first heat sealing jaw (1) and a first heat cover (2) arranged on the first heat sealing jaw (1);
the second heat sealing structure comprises a second heat sealing jaw (3) and a second heat cover (4) arranged on the second heat sealing jaw (3);
the first thermal cover (2) and the second thermal cover (4) are arranged opposite to each other, and at least one of the first thermal cover (2) and the second thermal cover (4) is made of a non-metal material;
a heat sealing groove (5) is formed in the first heat sealing jaw (1), and the first heat cover (2) is arranged in the heat sealing groove (5).
2. A low shear heat sealing device according to claim 1, wherein the first heat cover (2) is adapted to the shape and size of the heat sealing groove (5).
3. A low shear heat sealing device according to claim 2, wherein the second heat cover (4) is provided with a number of parallel arranged elongated saw tooth protrusions (6) towards the first heat cover (2).
4. A low shear heat sealing device according to claim 3, wherein the second heat cover (4) is sized to fit the first heat cover (2).
5. A low shear heat sealing device according to claim 1, wherein the cross section of the first sealing jaw (1) is of T-shaped configuration and the heat sealing groove (5) is provided at the top of the first sealing jaw (1).
6. A low shear heat sealing apparatus according to claim 5, wherein the second sealing jaw (3) is integrally formed with the second heat cover (4), and the second sealing jaw (3) is integrally formed with the second heat cover (4) in an inverted T-shaped configuration.
7. A low shear heat sealing device according to claim 1, wherein the temperature of the first heat cover (2) is lower than the temperature of the second heat cover (4).
8. A low shear heat sealing device according to claim 7, wherein the first heat cover (2) is of soft silicone and the second heat cover (4) is of rigid metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269355.XU CN219192752U (en) | 2022-12-07 | 2022-12-07 | Low-shear heat sealing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223269355.XU CN219192752U (en) | 2022-12-07 | 2022-12-07 | Low-shear heat sealing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219192752U true CN219192752U (en) | 2023-06-16 |
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ID=86706176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223269355.XU Active CN219192752U (en) | 2022-12-07 | 2022-12-07 | Low-shear heat sealing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219192752U (en) |
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2022
- 2022-12-07 CN CN202223269355.XU patent/CN219192752U/en active Active
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