CN210882986U - Paper tube with concave bottom and manufacturing mold thereof - Google Patents
Paper tube with concave bottom and manufacturing mold thereof Download PDFInfo
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- CN210882986U CN210882986U CN201920945848.XU CN201920945848U CN210882986U CN 210882986 U CN210882986 U CN 210882986U CN 201920945848 U CN201920945848 U CN 201920945848U CN 210882986 U CN210882986 U CN 210882986U
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Abstract
The utility model discloses a take fiber container at end of sinking and mould is made thereof, it has barrel and a sunken end, and the paper at the end of sinking warp to a direction of rotation and folds, and the end of sinking expandes the back and is exactly the partly of former barrel to the surface after the expansion does not have the binder. The manufacturing die of the paper tube with the concave bottom comprises an inner die, an outer die I and an outer die II, wherein the inner die is a cylinder, and one end face of the cylinder is provided with an inner hole; the first outer mold has an inner hole, the wall of the inner hole is provided with at least 2 forming blocks, the second outer mold has an inner hole, the center of the bottom surface of the inner hole is provided with a boss, the end surface of the boss is a plane or a spherical surface, at least 2 auxiliary forming blocks are arranged between the side surface of the boss and the inner circumferential surface of the inner hole, each auxiliary forming block is provided with a front auxiliary surface and a rear auxiliary surface, and the intersection line of the front auxiliary surface and the rear auxiliary surface is an auxiliary forming edge. The utility model has the advantages of take fiber container integrated into one piece at sunken end to can need not the binder, saved and be used for dry energy and time.
Description
Technical Field
The utility model relates to a paper products and make mould, especially a fiber container of sunken end in area and make mould thereof.
Background
The paper tube with bottom is assembled by two parts of tube body and tube bottom, the tube body with two open ends is first made, one end of the tube body is curled inwards, then the round paper sheet is punched out, the periphery of the round paper sheet is coated with adhesive and pressed into the tube body, and then the adhesive is dried. The method has the advantages of time and labor waste, low production efficiency and high cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides a paper tube with a sunken bottom and a manufacturing mold thereof, which have the advantages of simple structure and high production efficiency.
The utility model adopts the following technical scheme.
A paper tube with a concave bottom comprises a tube body and a concave bottom, wherein the concave bottom is concave towards the tube body, the bottom surface of the concave bottom is a plane or a spherical surface, paper at the concave bottom is deformed and folded towards a rotating direction, and the concave bottom is a part of the original tube body after being unfolded.
The surface of the bottom of the recess after expansion is free of adhesive.
The manufacturing mould of the paper tube with the concave bottom comprises an inner mould, an outer mould I and an outer mould II, wherein the inner mould is a cylinder, one end surface of the cylinder is provided with an inner hole, and the bottom surface of the inner hole is a plane or a spherical surface; the first outer mold is provided with an inner hole, the wall of the inner hole is provided with at least 2 forming blocks, each forming block is provided with a front face, a forming face and a back face, each forming face is positioned on an inner conical face coaxial with the inner hole, one edge of the front face is coincided with one edge of the forming face, one edge of the back face is coincided with the other edge of the forming face, and the front face and the other edge of the back face are positioned on the wall of the inner hole; the outer die II is provided with an inner hole, the center of the bottom surface of the inner hole is provided with a boss, the end surface of the boss is a plane or a spherical surface, at least 2 auxiliary forming blocks are arranged between the side surface of the boss and the inner circumferential surface of the inner hole, each auxiliary forming block is provided with a front auxiliary surface and a rear auxiliary surface, and the intersection line of the front auxiliary surface and the rear auxiliary surface is an auxiliary forming edge.
The end face of the boss of the second outer die is provided with at least 1 groove.
And the auxiliary forming edge of the second outer die is a circular arc.
Compared with the prior art, the utility model has the advantages of take fiber container integrated into one piece at sunken end to can need not the binder, save the energy and the time that are used for the drying, improve the quality and the quantity of product greatly, alleviate operating personnel's intensity of labour.
Drawings
Fig. 1 is a schematic structural view of a paper tube with a concave bottom according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of an inner mold according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of the first outer mold according to embodiment 1 of the present invention.
Fig. 4 is a schematic structural view of a sectional view a-a of fig. 3.
Fig. 5 is a schematic structural view of the second outer mold in embodiment 1 of the present invention.
Fig. 6 is a sectional view B-B of fig. 5.
Fig. 7 is a cross-sectional view of the C-C rotated deployment of fig. 5.
Fig. 8 is a schematic structural view of a paper tube with a concave bottom according to embodiment 2 of the present invention.
Fig. 9 is a schematic structural view of an inner mold according to embodiment 2 of the present invention.
Fig. 10 is a schematic structural view of an outer mold ii according to embodiment 2 of the present invention.
Fig. 11 is a cross-sectional view taken along line D-D of fig. 10.
Fig. 12 is a cross-sectional view of the E-E rotated deployment of fig. 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
Example 1, as shown in fig. 1 to 7, a paper tube with a concave bottom comprises a tube body 13 and a concave bottom 12, wherein the concave bottom 12 is concave towards the tube body 13, the bottom surface of the concave bottom is spherical, paper of the concave bottom 12 is deformed and folded towards a rotating direction, the concave bottom 12 is a part of the original tube body 13 after being unfolded, and the unfolded surface of the concave bottom 12 has no adhesive.
The mould for manufacturing the paper tube with the concave bottom comprises an inner mould, an outer mould I and an outer mould II. The inner die is a cylinder 15, an inner hole 14 is formed in one end face of the cylinder 15, the bottom face of the inner hole 14 is a spherical surface, and a flange 16 is formed on the circumferential face of the cylinder 15.
The first outer die is provided with an inner hole 5, the wall of the inner hole 5 is provided with 4 forming blocks, each forming block is provided with a front face 1, a forming face 3 and a rear face 4, each forming face 3 is positioned on an inner conical face coaxial with the inner hole 5, one edge of the front face 1 is coincided with one edge of the forming face 3, one edge of the rear face 4 is coincided with the other edge of the forming face 3, the other edges of the front face 1 and the rear face 4 are positioned on the wall of the inner hole 5, and the top end of the inner conical face is provided with a central hole 2.
The second outer die is provided with an inner hole 8, the center of the bottom surface of the inner hole 8 is provided with a boss 7, the end surface of the boss 7 is a spherical surface, the end surface of the boss 7 is provided with 2 grooves 6, 3 auxiliary forming blocks are arranged between the side surface of the boss 7 and the inner circumferential surface of the inner hole 8, each auxiliary forming block is provided with a front auxiliary surface 9 and a rear auxiliary surface 10, the intersection line of the front auxiliary surface 9 and the rear auxiliary surface 10 is an auxiliary forming edge 11, and the auxiliary forming edge 11 is a circular arc.
The manufacturing process of the paper tube with the concave bottom comprises the following steps: firstly, one end of an inner mold belt inner hole 14 is sleeved into a paper tube with two open ends, one end of the paper tube extends out of one end of the inner mold belt inner hole 14, a first outer mold is connected with a rotating mechanism, the rotating mechanism is connected with a reciprocating mechanism, and one end of the paper tube is rotationally extruded into a cone shape by the first outer mold. The second outer mold is connected with another rotating mechanism, and the rotating mechanism is connected with a reciprocating mechanism. And the conical end of the paper tube is rotationally extruded into a concave bottom by the outer die II. Because the end face of the boss 7 of the second external mold is provided with 2 grooves 6, the conical end of the paper tube can be quickly and tightly extruded to form a concave bottom in a rotating way, and no adhesive is used at all.
Example 2, as shown in fig. 8 to 12, a paper tube with a recessed bottom includes a tube body 213 and a recessed bottom 212, the recessed bottom 212 is recessed into the tube body 213, a bottom surface of the recessed bottom is a flat surface, the paper of the recessed bottom 212 is deformed and folded in one rotation direction, the recessed bottom 212 is a part of the original tube body 213 after being unfolded, and the unfolded surface of the recessed bottom 212 has no adhesive.
The mould for manufacturing the paper tube with the concave bottom comprises an inner mould, an outer mould I and an outer mould II. The inner mold is a cylinder 215, an end surface of the cylinder 215 is provided with an inner hole 214, the bottom surface of the inner hole 214 is a plane, and the circumference surface of the cylinder 215 is provided with a flange 216.
The first outer mold is the same as the first outer mold of example 1.
The second outer die is provided with an inner hole 208, the center of the bottom surface of the inner hole 208 is provided with a boss 207, the end surface of the boss 207 is a plane, the end surface of the boss 207 is provided with 2 grooves 206, 3 auxiliary forming blocks are arranged between the side surface of the boss 207 and the inner circumferential surface of the inner hole 208, each auxiliary forming block is provided with a front auxiliary surface 209 and a rear auxiliary surface 210, the intersection line of the front auxiliary surface 209 and the rear auxiliary surface 210 is an auxiliary forming edge 211, and the auxiliary forming edge 211 is a circular arc.
Claims (5)
1. A paper tube with a concave bottom comprises a tube body and is characterized in that the concave bottom is concave towards the tube body, the bottom surface of the concave bottom is a plane or a spherical surface, paper at the concave bottom is deformed and folded towards a rotating direction, and the concave bottom is a part of the original tube body after being unfolded.
2. The web of claim 1 wherein the expanded surface of the recessed base is free of adhesive.
3. The manufacturing mould of the fiber container with the sunken bottom is characterized by comprising an inner mould, an outer mould I and an outer mould II, wherein the inner mould is a cylinder, one end surface of the cylinder is provided with an inner hole, and the bottom surface of the inner hole is a plane or a spherical surface; the first outer mold is provided with an inner hole, the wall of the inner hole is provided with at least 2 forming blocks, each forming block is provided with a front face, a forming face and a back face, each forming face is positioned on an inner conical face coaxial with the inner hole, one edge of the front face is coincided with one edge of the forming face, one edge of the back face is coincided with the other edge of the forming face, and the front face and the other edge of the back face are positioned on the wall of the inner hole; the outer die II is provided with an inner hole, the center of the bottom surface of the inner hole is provided with a boss, the end surface of the boss is a plane or a spherical surface, at least 2 auxiliary forming blocks are arranged between the side surface of the boss and the inner circumferential surface of the inner hole, each auxiliary forming block is provided with a front auxiliary surface and a rear auxiliary surface, and the intersection line of the front auxiliary surface and the rear auxiliary surface is an auxiliary forming edge.
4. A mold for manufacturing a paper tube with a concave bottom as claimed in claim 3, wherein the end face of the boss of the second outer mold has at least 1 groove.
5. The mold for manufacturing the paper tube with the concave bottom as claimed in claim 3, wherein the auxiliary molding edge of the second outer mold is a circular arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945848.XU CN210882986U (en) | 2019-06-23 | 2019-06-23 | Paper tube with concave bottom and manufacturing mold thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920945848.XU CN210882986U (en) | 2019-06-23 | 2019-06-23 | Paper tube with concave bottom and manufacturing mold thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210882986U true CN210882986U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920945848.XU Active CN210882986U (en) | 2019-06-23 | 2019-06-23 | Paper tube with concave bottom and manufacturing mold thereof |
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| CN (1) | CN210882986U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193563A (en) * | 2019-06-23 | 2021-01-08 | 湖南新鹏环保科技有限公司 | Paper tube with concave bottom and manufacturing mold thereof |
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2019
- 2019-06-23 CN CN201920945848.XU patent/CN210882986U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112193563A (en) * | 2019-06-23 | 2021-01-08 | 湖南新鹏环保科技有限公司 | Paper tube with concave bottom and manufacturing mold thereof |
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