CN109483951B - Bottom sealing device for manufacturing square paper container - Google Patents
Bottom sealing device for manufacturing square paper container Download PDFInfo
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- CN109483951B CN109483951B CN201811634770.6A CN201811634770A CN109483951B CN 109483951 B CN109483951 B CN 109483951B CN 201811634770 A CN201811634770 A CN 201811634770A CN 109483951 B CN109483951 B CN 109483951B
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- sliding block
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- 238000007789 sealing Methods 0.000 title claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000000284 resting effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 238000007493 shaping process Methods 0.000 abstract description 4
- 230000002950 deficient Effects 0.000 abstract description 3
- 238000009826 distribution Methods 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 10
- 238000005299 abrasion Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/60—Uniting opposed surfaces or edges; Taping
- B31B50/64—Uniting opposed surfaces or edges; Taping by applying heat or pressure, e.g. by welding
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- Making Paper Articles (AREA)
Abstract
The invention provides a bottom sealing device for manufacturing square paper containers, and belongs to the technical field of paper cup manufacturing. It has solved the problem that current bottom sealing device production efficiency is low. This a bottom sealing device for making square paper container, including end press external mold, end press centre form, slider group, slider guide block, sliding block seat, supporting seat, drive axle sleeve and ejector pin, the supporting seat sets up in the drive axle sleeve and the supporting seat top is equipped with the sliding block seat, the top that has cavity and sliding block seat in the sliding block seat is equipped with spacedly, the middle part of end press external mold is equipped with the shaping hole and inlays in spacedly, end press centre form sets up in the shaping downthehole, end press centre form includes that four are the interior mould sub-blocks of circumference distribution, is equipped with overlapping annular knurl structure between the adjacent interior mould sub-blocks. The device realizes circumferential sealing of the bottom of the square paper container by pressing the bottom once, has faster production efficiency, simplifies the working procedure, and reduces the technical problems and the defective rate of products.
Description
Technical Field
The invention belongs to the technical field of paper cup machine manufacturing, and relates to a bottom sealing device for manufacturing square paper containers.
Background
The paper container has the characteristics of convenient use, safety, sanitation, environmental protection compared with the plastic container, and the like, and is being used in more and more fields. Most paper containers in the market are cylindrical structures, the appearance is single, so that the square cup has huge market potential, however, the original cylindrical cup bottom sealing form is mainly that the bottom rolling inner mold performs star-like movement along the inner cavity of the bottom rolling outer mold, so that paper sheets between the two paper containers are pressed to seal the bottom, and the structure is not suitable for the square cup bottom sealing with the square inner cavity of the bottom rolling outer mold.
The existing paper cup machine for manufacturing square paper containers is characterized in that bottoms are pressed through the bottoms of the square cups twice, and bottoms are pressed through corners and straight edges respectively. The bottom pressing mode square cup solves the problem that the automatic bottom of the square cup presses the bottom, the overlapping parts are more, the bottom sealing effect is good, but the bottom is pressed through double working procedures, the production efficiency is low, the number of defective products is more, and the production process is difficult to control.
Disclosure of Invention
The object of the present invention is to solve the above-mentioned problems of the prior art and to provide a bottom sealing device for making square paper containers.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a bottom sealing device for making square paper container, includes end external mold, end internal mold, slider group, slider guide block, sliding block seat, supporting seat, actuating shaft sleeve and ejector pin, the supporting seat sets up in actuating shaft sleeve and the supporting seat top is equipped with the sliding block seat, the top that has cavity and sliding block seat in the sliding block seat is equipped with uncovered, the middle part of end external mold is equipped with the shaping hole and inlays in uncovered, end internal mold sets up in the shaping downthehole, end internal mold includes four interior sub-blocks that are circumference distribution, is equipped with overlap knurl structure between the adjacent interior sub-blocks, the slider group has four sliders and sets up in the sliding block seat, interior sub-block and above-mentioned slider one-to-one and fixed connection, the slider guide block sets up in the sliding block bottom and with slider swing joint, the ejector pin passes in proper order and is equipped with the slider between the top of actuating shaft sleeve, supporting seat and sliding block seat and ejector pin and the slider group bottom middle part and is equipped with slider return structure between slider group and sliding block seat.
In the bottom sealing device for manufacturing the square paper container, the sliding block outer supporting structure comprises a guide surface arranged at the top of the ejector rod and a chamfer inclined surface arranged at the bottom of the sliding block, and the guide surface is matched with the chamfer inclined surface.
In the bottom sealing device for manufacturing the square paper container, the overlapped knurling structure comprises a positioning convex shoulder arranged on the inner wall of one side of the inner mold partition, and a positioning step arranged on the inner wall of the adjacent side of the inner mold partition, wherein the positioning convex shoulder of the adjacent inner mold partition is lapped on the positioning step and surrounds to be rectangular.
In the bottom sealing device for manufacturing the square paper container, the overlapped knurling structure comprises a U-shaped positioning part arranged on one side inner wall of the inner mold partition, and a positioning convex part arranged on the inner wall of the adjacent side of the inner mold partition, wherein the positioning convex part of the adjacent inner mold partition is inserted into the U-shaped positioning part and surrounds to form a rectangular block shape.
In the bottom sealing device for manufacturing the square paper container, four circumferentially distributed mounting holes are formed in the circumferential outer side of the sliding block seat, and the sliding block return structure comprises a spring plate embedded in the mounting holes and a return spring arranged on the spring plate and connected with the sliding block.
In the bottom sealing device for manufacturing the square paper container, the wear-resistant sliding sleeve is arranged between the ejector rod and the supporting seat, the wear-resistant sliding sleeve is fixedly connected with the ejector rod, and the ejector rod limiting structure is arranged between the wear-resistant sliding sleeve and the supporting seat.
In the bottom sealing device for manufacturing the square paper container, the ejector rod limiting structure comprises a limiting step arranged at the top of the supporting seat and a limiting shoulder arranged on the wear-resistant sliding sleeve, and the limiting shoulder is abutted to the limiting step.
In the bottom sealing device for manufacturing the square paper container, the limiting protrusion for preventing the supporting seat from excessively moving into the driving shaft sleeve is arranged on the inner wall of the driving shaft sleeve.
In the bottom sealing device for manufacturing the square paper container, a buffer spring I is arranged between the driving shaft sleeve and the supporting seat.
In the bottom sealing device for manufacturing the square paper container, the second buffer spring is sleeved at the bottom of the ejector rod and positioned in the driving shaft sleeve, one end of the second buffer spring is connected to the ejector rod, and the other end of the second buffer spring is abutted to the inner wall of the bottom of the driving shaft sleeve.
Compared with the prior art, the bottom sealing device for manufacturing the square paper container has the following advantages:
1. the bottom sealing device for manufacturing the square paper container realizes circumferential sealing of the bottom of the square paper container through one-time bottom pressing, has faster production efficiency, simplifies the procedure, and reduces the process problems and the defective rate of products.
2. The bottom sealing device for manufacturing the square paper container is simple in structure, and the transmission mechanism is integrally reliable and stable.
3. The bottom sealing device for manufacturing the square paper container is provided with a plurality of return buffer structures, so that the inner parts of the device are protected, and the service life of the device is prolonged.
Drawings
Fig. 1 is a perspective view of the bottom sealing device for making square paper containers.
Fig. 2 is a top view of the bottom sealing device of the present invention for making square paper containers.
Fig. 3 is a cross-sectional view of the bottom sealing device of the present invention for making square paper containers.
Fig. 4 is a schematic diagram of the compression state of the bottom pressure internal mold.
Fig. 5 is a schematic view of the bottom-pressure internal mold outer support state.
Fig. 6 is a side view of an outer support of an inner mold of a midsole of the first embodiment.
Fig. 7 is a side view showing an outer supporting state of the middle sole pressing inner mold according to the second embodiment.
In the figure, 1, bottom pressing an outer mold; 11. forming a hole; 2. bottom pressing internal mold; 21. dividing an inner mold; 22. positioning the shoulder; 23. positioning the step; 24. a U-shaped positioning part; 25. positioning convex parts; 3. a slide block; 31. chamfering inclined planes; 4. a slider guide block; 5. a slider seat; 51. a mounting hole; 52. a spring plate; 53. a return spring; 6. a support base; 61. a limit step; 7. a driving shaft sleeve; 71. a limit protrusion; 72. a buffer spring I; 73. buffer spring II; 8. a push rod; 81. a guide surface; 82. wear-resistant sliding sleeve; 821. and limiting the shoulder.
Detailed Description
Example 1
As shown in fig. 1-3, a bottom sealing device for manufacturing a square paper container comprises a bottom pressing outer die 1, a bottom pressing inner die 2, a sliding block set, a sliding block guide block 4, a sliding block seat 5, a supporting seat 6, a driving shaft sleeve 7 and a push rod 8, wherein the driving shaft sleeve 7 consists of two fixedly connected flanges, the supporting seat 6 is arranged in the driving shaft sleeve 7, the sliding block seat 5 is arranged at the top of the supporting seat 6, a cavity is arranged in the sliding block seat 5, an opening is arranged at the top of the sliding block seat 5, a forming hole 11 is arranged in the middle part of the bottom pressing outer die 1 and is embedded in the opening, the bottom pressing inner die 2 is arranged in the forming hole 11, and the bottom pressing inner die 2 comprises four inner die blocks 21 which are circumferentially distributed.
The sliding block set is provided with four sliding blocks 3 and is arranged in the sliding block seat 5, the inner mold split blocks 21 are in one-to-one correspondence with the sliding blocks 3 and are fixedly connected with the sliding blocks, and the sliding block guide blocks 4 are arranged at the bottom of the sliding blocks 3 and are movably connected with the sliding blocks 3.
The sliding block 3 moves along the sliding block guide block 4 to drive the sliding block 3 to correspondingly connected inner mold blocks 21 to move, namely, the inner mold blocks 21 are controlled to move towards four corners of the forming hole 11 through the sliding block guide block 4 until the outer wall of the inner mold blocks 21 and the inner wall of the forming hole 11 are in contact extrusion.
The ejector rod 8 sequentially passes through the driving shaft sleeve 7, the supporting seat 6 and the sliding block seat 5, and a sliding block external supporting structure is arranged between the top of the ejector rod 8 and the middle part of the bottom of the sliding block group.
The top of the ejector rod 8 is any one of a quadrangular cone shape and a quadrangular frustum, the sliding block external supporting structure comprises a guide surface 81 arranged at the top of the ejector rod 8 and a chamfer inclined surface 31 arranged at the bottom of the sliding block 3, and the guide surface 81 is matched with the chamfer inclined surface 31.
It should be appreciated by those skilled in the art that the ejector rod 8 is pushed up against the bottom of the slider 3, and the guide surface 81 is pressed against the chamfer 31 to force the slider 3 to move along the slider guide block 4 toward the molding hole 11.
As shown in fig. 4-6, overlapping knurling structures are provided between adjacent inner mold segments 21.
The overlapped knurling structure comprises a positioning convex shoulder 22 arranged on the inner wall of one side of the inner mold partition 21 and a positioning step 23 arranged on the inner wall of the adjacent side of the inner mold partition 21, wherein the positioning convex shoulder 22 of the adjacent inner mold partition 21 is lapped on the positioning step 23 and is encircled to be rectangular.
It should be understood by those skilled in the art that the knurling mode in this embodiment is formed by the open-type knurling of the bottom die 2. When the inner mold block 21 is spread outwards and the outer wall of the inner mold block 21 is pressed against the inner wall of the molding hole 11, the positioning shoulder 22 and the positioning step 23 always keep a partial contact state, namely, a complete circumferential bottom pressing exists between the bottom pressing inner mold 2 and the bottom pressing outer mold 1, and an overlapped bottom pressing part is arranged at the overlapped knurling structure.
The structure realizes that the paper cup machine is manufactured to realize the circumferential sealing of the bottom of the square paper container through one-time bottom pressing, has faster production efficiency, simplifies the working procedure, and reduces the technical problems and the reject ratio of products.
As shown in fig. 3, a slider return structure is provided between the slider group and the slider seat 5.
Four circumferentially distributed mounting holes 51 are formed in the circumferential outer side of the slider seat 5, and the slider return structure comprises a spring plate 52 embedded in the mounting holes 51 and a return spring 53 arranged on the spring plate 52 and connected with the slider 3.
The sliding block return structure is arranged, so that after the bottom pressing action is finished, the sliding block 3 can automatically drive the inner mold partition block 21 to return to the original position. The mounting holes 51 and the spring plates 52 are arranged, so that the device is convenient to maintain and repair, and the return springs 53 can be replaced quickly.
The wear-resisting sliding sleeve 82 is arranged between the ejector rod 8 and the supporting seat 6, the wear-resisting sliding sleeve 82 is fixedly connected with the ejector rod 8, and an ejector rod 8 limiting structure is arranged between the wear-resisting sliding sleeve 82 and the supporting seat 6.
The wear-resistant sliding sleeve 82 is arranged, friction between the ejector rod 8 and the supporting seat 6 is reduced, and the ejector rod 8 moves more smoothly.
The ejector rod 8 limiting structure comprises a limiting step 61 arranged at the top of the supporting seat 6 and a limiting shoulder 821 arranged on the wear-resistant sliding sleeve 82, wherein the limiting shoulder 821 is abutted to the limiting step 61.
After the bottom pressing action is completed, the ejector rod 8 falls back to drive the wear-resistant sliding sleeve 82 until the limit shoulder 821 abuts against the limit step 61, so that excessive contact between components caused by excessive falling back of the ejector rod 8 is prevented from causing component wear.
The bottom of the ejector rod 8 is provided with a second buffer spring 73 in the driving shaft sleeve 7, one end of the second buffer spring 73 is connected to the ejector rod 8, and the other end of the second buffer spring is abutted to the inner wall of the bottom of the driving shaft sleeve 7.
And the buffer spring II 73 is arranged to provide bottom support for the falling of the ejector rod 8 to form falling buffer, so that the ejector rod 8 is prevented from falling quickly, the limiting shoulder 821 can be abutted on the limiting step 61 at a slower speed, the abrasion of parts is reduced, and the service life of the device is prolonged.
The inner wall of the driving shaft sleeve 7 is provided with a limit protrusion 71 for preventing the supporting seat 6 from excessively moving into the driving shaft sleeve 7.
The limiting protrusion 71 is arranged, so that the bottom of the driving shaft sleeve 7 can not be touched to cause component abrasion when the supporting seat 6 falls back.
A buffer spring I72 is arranged between the driving shaft sleeve 7 and the supporting seat 6.
The first buffer spring 72 is arranged to provide bottom support for the falling of the supporting seat 6 to form falling buffer, so that the supporting seat 6 is prevented from falling quickly, the bottom of the supporting seat 6 can be abutted on the limiting boss 71 at a lower speed, the abrasion of parts is reduced, and the service life of the device is prolonged.
Example two
As shown in fig. 7, the structure and principle of the present embodiment are basically the same as those of the first embodiment, and are not described herein, except that: the overlapped knurling structure comprises a U-shaped positioning part 24 arranged on the inner wall of one side of the inner mold block 21 and a positioning convex part 25 arranged on the inner wall of the adjacent side of the inner mold block 21, wherein the positioning convex part 25 of the adjacent inner mold block 21 is inserted into the U-shaped positioning part 24 and surrounds to be rectangular.
When the inner mold block 21 is spread outwards and the outer wall of the inner mold block 21 is pressed against the inner wall of the molding hole 11, the positioning convex portion 25 and the U-shaped positioning portion 24 always keep a partial contact state, that is, a complete circumferential bottom pressing is provided between the bottom pressing inner mold 2 and the bottom pressing outer mold 1, and an overlapping bottom pressing portion is provided at the overlapping knurling structure.
The structure realizes that the paper cup machine is manufactured to realize the circumferential sealing of the bottom of the square paper container through one-time bottom pressing, has faster production efficiency, simplifies the working procedure, and reduces the technical problems and the reject ratio of products.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (4)
1. The bottom sealing device for manufacturing the square paper container is characterized by comprising a bottom pressing outer die (1), a bottom pressing inner die (2), a sliding block group, a sliding block guide block (4), a sliding block seat (5), a supporting seat (6), a driving shaft sleeve (7) and a push rod (8), wherein the supporting seat (6) is arranged in the driving shaft sleeve (7), the sliding block seat (5) is arranged at the top of the supporting seat (6), a cavity is arranged in the sliding block seat (5), an opening is arranged at the top of the sliding block seat (5), a forming hole (11) is arranged in the middle part of the bottom pressing outer die (1) and is embedded in the opening, the bottom pressing inner die (2) is arranged in the forming hole (11), the bottom pressing internal mold (2) comprises four internal mold blocks (21) which are circumferentially distributed, overlapping knurling structures are arranged between every two adjacent internal mold blocks (21), each sliding block group is provided with four sliding blocks (3) and is arranged in a sliding block seat (5), the internal mold blocks (21) are in one-to-one correspondence with the sliding blocks (3) and are fixedly connected, the sliding block guide blocks (4) are arranged at the bottoms of the sliding blocks (3) and are movably connected with the sliding blocks (3), the ejector rods (8) sequentially penetrate through the driving shaft sleeve (7), the supporting seat (6) and the sliding block seats (5), and a sliding block external supporting structure is arranged between the tops of the ejector rods (8) and the middle part of the bottoms of the sliding block groups, the sliding block outer supporting structure comprises a guide surface (81) arranged at the top of a supporting rod (8) and a chamfer inclined surface (31) arranged at the bottom of a sliding block (3), wherein the guide surface (81) is matched with the chamfer inclined surface (31), a wear-resistant sliding sleeve (82) is arranged between the supporting rod (8) and the supporting seat (6), the wear-resistant sliding sleeve (82) is fixedly connected with the supporting rod (8) and is provided with a supporting rod limiting structure between the wear-resistant sliding sleeve (82) and the supporting seat (6), the supporting rod limiting structure comprises a limiting step (61) arranged at the top of the supporting seat (6) and a limiting shoulder (821) arranged on the wear-resistant sliding sleeve (82), the limiting shoulder (821) is abutted to the limiting step (61), a limiting protrusion (71) for preventing the supporting seat (6) from excessively moving into the driving shaft sleeve (7) is arranged on the inner wall of the driving shaft sleeve (7), a buffer spring I (72) is arranged between the driving shaft sleeve (7) and the supporting seat (6), the bottom of the supporting rod (8) is provided with a buffer spring II (73), one end of the buffer spring II (73) is connected to the ejector rod (8) and the other end of the buffer spring II is abutted to the inner wall of the bottom of the driving shaft sleeve (7).
2. A bottom sealing arrangement for making square paper containers according to claim 1, characterized in that the overlapping knurling structure comprises a positioning shoulder (22) provided on one side inner wall of the inner mould part (21) and a positioning step (23) provided on the adjacent side inner wall of the inner mould part (21), the positioning shoulder (22) of the adjacent inner mould part (21) being resting on the positioning step (23) and surrounding in a rectangular block shape.
3. A bottom sealing arrangement for making square paper containers according to claim 1, characterized in that the overlapping knurling structure comprises a U-shaped positioning portion (24) provided on one side inner wall of the inner mould part (21), and a positioning protrusion (25) provided on the adjacent side inner wall of the inner mould part (21), the positioning protrusion (25) of the adjacent inner mould part (21) being inserted into the U-shaped positioning portion (24) and being rectangular in shape around.
4. A bottom sealing arrangement for making square paper containers according to claim 1, characterized in that the peripheral outer side of the slider seat (5) is provided with four circumferentially distributed mounting holes (51), the slider return structure comprises a spring plate (52) with a retainer embedded in the mounting holes (51), and a return spring (53) arranged on the spring plate (52) and connected to the slider (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634770.6A CN109483951B (en) | 2018-12-29 | 2018-12-29 | Bottom sealing device for manufacturing square paper container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634770.6A CN109483951B (en) | 2018-12-29 | 2018-12-29 | Bottom sealing device for manufacturing square paper container |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109483951A CN109483951A (en) | 2019-03-19 |
| CN109483951B true CN109483951B (en) | 2024-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811634770.6A Active CN109483951B (en) | 2018-12-29 | 2018-12-29 | Bottom sealing device for manufacturing square paper container |
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| Country | Link |
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| CN (1) | CN109483951B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112721311A (en) * | 2020-12-30 | 2021-04-30 | 温州拓浦诺机械有限公司 | Double-knurling wheel type special-shaped cup bottom knurling mechanism of paper cup forming machine |
| CN112959738A (en) * | 2021-04-13 | 2021-06-15 | 沈阳北亚饮品机械有限公司 | Carton bottom press seal mandrel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1861382A (en) * | 2006-06-14 | 2006-11-15 | 彭来静 | Device for knurling bottom of cubic paper cup of paper cup formation machine |
| JP2014205972A (en) * | 2013-04-11 | 2014-10-30 | 清水建設株式会社 | Method for constructing tank, and outer tank liner plate |
| CN107081930A (en) * | 2017-06-23 | 2017-08-22 | 嘉兴市新发现机械制造有限公司 | Post rod type base pressure device |
| CN206899852U (en) * | 2017-06-23 | 2018-01-19 | 嘉兴市新发现机械制造有限公司 | Push rod rolls bottom formula base pressure device |
| CN207128336U (en) * | 2017-08-31 | 2018-03-23 | 浙江新德宝机械有限公司 | Dixie cup or paper bowl bottom spinning machine |
| CN209409455U (en) * | 2018-12-29 | 2019-09-20 | 浙江新发现机械制造有限公司 | It is a kind of for making the bottom sealing device of square shape paper container |
-
2018
- 2018-12-29 CN CN201811634770.6A patent/CN109483951B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1861382A (en) * | 2006-06-14 | 2006-11-15 | 彭来静 | Device for knurling bottom of cubic paper cup of paper cup formation machine |
| JP2014205972A (en) * | 2013-04-11 | 2014-10-30 | 清水建設株式会社 | Method for constructing tank, and outer tank liner plate |
| CN107081930A (en) * | 2017-06-23 | 2017-08-22 | 嘉兴市新发现机械制造有限公司 | Post rod type base pressure device |
| CN206899852U (en) * | 2017-06-23 | 2018-01-19 | 嘉兴市新发现机械制造有限公司 | Push rod rolls bottom formula base pressure device |
| CN207128336U (en) * | 2017-08-31 | 2018-03-23 | 浙江新德宝机械有限公司 | Dixie cup or paper bowl bottom spinning machine |
| CN209409455U (en) * | 2018-12-29 | 2019-09-20 | 浙江新发现机械制造有限公司 | It is a kind of for making the bottom sealing device of square shape paper container |
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