CN114536721A - Improve blow needle structure of bottleneck leakproofness - Google Patents
Improve blow needle structure of bottleneck leakproofness Download PDFInfo
- Publication number
- CN114536721A CN114536721A CN202210182347.7A CN202210182347A CN114536721A CN 114536721 A CN114536721 A CN 114536721A CN 202210182347 A CN202210182347 A CN 202210182347A CN 114536721 A CN114536721 A CN 114536721A
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- Prior art keywords
- bottle
- wall
- parting
- blowing needle
- blowing
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- 238000007664 blowing Methods 0.000 claims abstract description 62
- 230000002093 peripheral effect Effects 0.000 claims abstract description 9
- 230000007246 mechanism Effects 0.000 claims description 25
- 238000007789 sealing Methods 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 239000003433 contraceptive agent Substances 0.000 description 2
- 230000002254 contraceptive effect Effects 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/58—Blowing means
- B29C49/60—Blow-needles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7158—Bottles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application discloses improve blow needle structure of bottleneck leakproofness relates to the bottle blowing field, and it is including blowing the needle and setting up in the parting piece that blows the needle outer peripheral face, and the parting piece is seted up flutedly on the terminal surface at bottleneck top, the perisporium of recess and the thickness adaptation of the distance between the outer wall of blowing the needle and bottleneck. This application has the condition that has reduced the appearance of bottleneck top edge and has draped over one's shoulders the cutting edge of a knife or a sword, and then has reduced the condition that the assembly personnel was cut by accident in the assembly process, has promoted the security of bottleneck.
Description
Technical Field
The invention relates to the field of bottle body blow molding, in particular to a blowing needle structure for improving the sealing property of a bottle opening.
Background
Bottle bodies used in washing and care products generally need to be subjected to blow molding, which is also called hollow blow molding, and is a rapidly developing plastic processing method. During blow molding processing, heated plastic solid particles are extruded by a machine head to form a bottle blank, the bottle blank is placed in a mold closing mechanism, the mold closing mechanism comprises a front mold plate and a rear mold plate which are symmetrically arranged, the mold closing mechanism presses the bottle blank into the bottle blank through mold closing, then the mold closing mechanism is driven by a driving mechanism to move the bottle blank to a bottle blowing station below a blowing needle structure, compressed air is blown into the bottle blank through the blowing needle structure, the bottle blank expands under the action of the compressed air to be attached to the inner wall of a mold cavity of the mold closing mechanism, and a bottle body is formed after cooling and demolding.
The related art blowing needle structure, as shown in fig. 1 and 2, includes a blowing needle 1 and a parting block 2 fixed on the outer peripheral surface of the blowing needle 1, wherein the parting block 2 abuts against the top of the mouth of the bottle blank towards the end surface of the bottle blank, and a screw thread portion is usually arranged at the middle position of the outer wall of the mouth.
In the related technology, the top edge of the bottle mouth is formed at the edge of the parting block, so that the edge of the parting surface of the extrusion-molded bottle can be easily sharpened, the top edge of the bottle mouth is provided with more burrs, burrs and gaps, and the bottle body and the bottle cap can be easily scratched accidentally by an assembler in the assembling process.
Disclosure of Invention
In order to reduce the condition that the in-process of assembler assembly bottle and bottle lid was scratched, this application provides a blow needle structure that improves bottleneck leakproofness.
The application provides a blow needle structure that improves bottleneck leakproofness adopts following technical scheme:
the utility model provides an improve blow needle structure of bottleneck leakproofness, includes and blows the needle and set up in the parting piece of blowing the needle outer peripheral face, set up the recess on the terminal surface at parting piece orientation bottleneck top, the distance between the perisporium of recess and the outer wall of blowing the needle and the thickness adaptation of bottleneck.
Through adopting above-mentioned technical scheme, through setting up the recess, during the bottle blowing, because the setting of recess, the bottleneck top is the part shaping in the recess to the bottleneck top more than the screw thread top promptly, the remaining part shaping in the mould of bottleneck, the border of parting piece has changed the lateral wall of bottleneck, and then makes the lateral wall that drapes over one's shoulders the cutting edge of a knife or a sword position and has changed the bottleneck, has reduced the condition that drapes over one's shoulders the cutting edge of a knife or a sword in the appearance at bottleneck top edge, and then has reduced the condition that the in-process of assembling personnel assembly bottle and bottle lid is by the fish tail.
Preferably, the edge of the groove corresponding to the outer edge of the top of the bottle mouth is in arc transition.
By adopting the technical scheme, after the top of the bottle mouth is molded, the outer wall of the bottle mouth and the connecting edge of the top end face of the bottle mouth are in arc transition, and the safety of the bottle mouth is further improved.
Preferably, the parting block comprises an upper ring arranged on the blowing needle and a lower ring fixedly arranged on the upper ring, and a gap for forming the groove is reserved between the inner wall of the lower ring and the outer wall of the blowing needle.
Through adopting above-mentioned technical scheme, it is connected with the blowing needle to fit with a contraceptive ring, and the lower ring is used for forming the recess, and parting piece overall structure is simple, the production and processing of being convenient for.
Preferably, the bottom end of the lower ring is positioned above the threaded part on the outer wall of the bottle opening.
By adopting the technical scheme, the bottom end of the lower ring is arranged above the threaded part on the outer wall of the bottle opening, so that the parting block is separated from the bottle opening after bottle blowing is finished.
Preferably, the bottom end of the lower ring extends to the lower part of the threaded part of the outer wall of the bottle opening, an internal thread is arranged on the inner wall of the lower ring, the parting block comprises two symmetrically-arranged parting templates which correspond to the front template and the rear template respectively, a connecting piece used for being connected with the die assembly mechanism is arranged on each parting template, and the parting templates are detachably connected to the blowing needle through the connecting component.
By adopting the technical scheme, the groove formed between the inner wall of the lower ring and the outer wall of the blowing needle is used for forming the thread part of the bottle mouth, after the bottle blowing is completed, the connection between the parting block and the blowing needle is removed, the two parting templates are respectively connected to the front template and the rear template in the die assembly mechanism, and when the die assembly mechanism opens the die under the action of the driving mechanism, the parting templates move along with the die assembly mechanism and are separated from the bottle mouth, so that the position of the flash is further moved down below the thread part of the outer wall of the bottle mouth, and the safety of the bottle mouth is further improved.
Preferably, the bottom end of the lower ring extends to the joint of the outer wall of the bottle opening and the bottle body.
By adopting the technical scheme, the position of the flash is moved down to the joint of the bottle opening and the bottle body again, so that the integral smoothness of the bottle opening is improved, and the safety of the bottle opening is further improved.
Preferably, the connecting piece is an electromagnet which is fixedly arranged on the outer wall of the parting template.
By adopting the technical scheme, when the parting template is required to be connected with the front template or the rear template, the electromagnet is electrified, so that the connection between the parting template and the front template or between the parting template and the rear template is realized, and the dismounting and the mounting are convenient.
Preferably, an extension plate extends from one end of the upper ring, which is away from the lower ring, and the connecting assembly is arranged on the extension plate.
Through adopting above-mentioned technical scheme, increased coupling assembling set up the height, be convenient for fit with a contraceptive ring and blow the needle and be connected.
Preferably, the connecting assembly comprises a bolt penetrating through the extension plate, and the bolt is in threaded connection with the blowing pin.
Through adopting above-mentioned technical scheme, realized extending the board and blow the connection between the needle, be convenient for staff's dismouting typing template.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by arranging the groove, during bottle blowing, due to the arrangement of the groove, the top of the bottle mouth, namely the part from the top of the thread to the top of the bottle mouth, is formed in the groove, the rest part of the bottle mouth is formed in the mold, the edge of the parting block is changed to the side wall of the bottle mouth, so that the burr position is changed to the side wall of the bottle mouth, the burr occurrence situation at the edge of the top of the bottle mouth is reduced, and the scratch situation in the process of assembling a bottle body and a bottle cap by an assembling worker is reduced;
2. the groove formed between the inner wall of the lower ring and the outer wall of the blowing needle is used for forming a threaded part of the bottle mouth, after bottle blowing is completed, connection between the parting block and the blowing needle is removed, the two parting templates are respectively connected to the front template and the rear template in the die assembly mechanism, and when the die assembly mechanism opens the die under the action of the driving mechanism, the parting templates move along with the die assembly mechanism and are separated from the bottle mouth, so that the position of the flash is further moved down to be below the threaded part of the outer wall of the bottle mouth, and the safety of the bottle mouth is further improved.
Drawings
Fig. 1 is a schematic structural view of a blow pin structure in the background art.
Fig. 2 is a partial cross-sectional view of the fitting relationship between the blow pin structure and the bottle body and mold clamping mechanism in the background art.
Fig. 3 is a schematic structural diagram showing a blow pin structure in the first embodiment.
Fig. 4 is a schematic sectional view showing a structure of a blowing pin in the first embodiment.
FIG. 5 is a schematic partial cross-sectional view showing the fitting relationship between the blowing pin structure and the bottle body and the mold clamping mechanism according to the first embodiment.
Fig. 6 is a partially enlarged schematic view of a portion a in fig. 5.
FIG. 7 is a schematic partial cross-sectional view showing the fitting relationship between the blowing pin structure and the bottle body and the mold clamping mechanism according to the second embodiment.
Fig. 8 is a schematic structural view showing a blow pin structure in the second embodiment.
Description of reference numerals:
1. blowing a needle; 2. a parting block; 31. ring fitting; 32. a lower ring; 4. a groove; 5. parting templates; 51. an upper half ring; 52. a lower half ring; 521. an electromagnet; 53. an extension plate; 531. and (4) bolts.
Detailed Description
The present application is described in further detail below with reference to figures 3-8.
The embodiment of the application discloses a blow needle structure for improving the sealing performance of a bottle opening.
Example one
Referring to fig. 3 and 4, the blowing needle structure for improving the sealing performance of the bottle mouth comprises a blowing needle 1 and a parting block 2 fixed on the peripheral surface of the blowing needle 1, wherein the blowing needle 1 is arranged in a hollow manner for introducing compressed air into the inner cavity of the bottle blank.
Combine fig. 4, fig. 5 and fig. 6, parting block 2 is fixed in the last ring 31 of blow needle 1 outer peripheral face and integrated into one piece in the lower ring 32 of the bottom terminal surface of last ring 31 including the cover, lower ring 32 and the coaxial setting of last ring 31, lower ring 32 bottom is located above the screw thread portion of bottleneck outer wall, the outer wall of lower ring 32 and the outer wall parallel and level of last ring 31, leave the distance between the inner wall of lower ring 32 and the outer wall of blow needle 1 to form recess 4, the distance between recess 4 inner wall and the blow needle 1 outer wall is adapted with the thickness of bottleneck.
The arrangement of the groove 4 enables the burr at the outer edge of the top of the bottle mouth to move downwards to the position above the thread part of the outer wall of the bottle mouth, so that the burr at the bottle mouth is reduced, the outer edge of the bottle mouth is smooth, the condition that an assembler assembles the bottle body and the bottle cap is scratched is reduced, and the safety of the bottle mouth is guaranteed.
The circular arc transition of the edge that recess 4 and bottleneck top outer fringe correspond forms the fillet for after the shaping of bottleneck top, the security of bottleneck is promoted in the lateral wall of bottleneck and the connection edge circular arc transition of bottleneck top terminal surface.
The implementation principle of the blowing needle structure for improving the sealing performance of the bottle opening in the embodiment of the application is as follows:
during bottle blowing, the blowing needle 1 is inserted into a bottle blank, bottle blowing is started after the blowing needle is inserted into a preset position, due to the arrangement of the groove 4, the top of a bottle opening, namely the part from the top of a thread to the top of the bottle opening, is formed in the groove 4, the rest part of the bottle opening is formed in a mold, the edge of the parting block 2 is changed to the side wall of the bottle opening, the position of the burr is changed to the side wall of the bottle opening, the burr occurrence situation at the top edge of the bottle opening is reduced, the scratch situation in the process of assembling a bottle body and a bottle cover by an assembling worker is reduced, and the safety of the bottle opening is ensured.
Example two
Referring to fig. 7 and 8, a blowing pin structure for improving the sealing performance of a bottle mouth is different from the first embodiment in that the bottom end of a lower ring 32 extends to the joint of the outer wall of the bottle mouth and the outer wall of the bottle body, and an internal thread is disposed in the middle of the inner wall of the lower ring 32.
The parting block 2 can be detachably connected to the blowing needle 1, the parting block 2 comprises two symmetrically arranged parting templates 5, one parting template 5 and the front template are arranged on the same side, and the other parting template 5 and the rear template are arranged on the same side. Due to the symmetrical arrangement of the parting template 5, the upper ring 31 in the parting block 2 forms two symmetrically arranged upper half rings 51, and the lower ring 32 in the parting block 2 forms two symmetrically arranged lower half rings 52.
The top end of the upper half ring 51 extends upwards to form an extending plate 53, the extending plate 53 extends along the shape of the outer peripheral surface of the blow pin 1, and the two extending plates 53 on the two upper half rings 51 form a complete circular ring together. The upper half ring 51 is provided with bolts 531 in a penetrating manner, the axes of the bolts 531 are arranged along the radial direction of the upper half ring 51, the bolts 531 penetrate through the upper half ring 51 and then are connected to the blow pin 1 in a threaded manner, two bolts 531 are arranged along the circumferential direction of the upper half ring 51 at intervals, and the two bolts 531 jointly form a connecting assembly.
An electromagnet 521 is fixed on the outer peripheral surface of the lower half ring 52, an inclined surface is arranged on one side, away from the lower half ring 52, of the electromagnet 521, the electromagnet 521 is used for being connected with a front template or a rear template in a mold clamping mechanism, two electromagnets 521 are arranged at intervals along the circumferential direction of the lower half ring 52, and the two electromagnets 521 jointly form a connecting piece. The electromagnet 521 can be connected with or disconnected from the die clamping mechanism by electrifying or powering off, so that the operation of workers is facilitated.
In the practical process of this embodiment, since the lower ring 32 needs to wrap the whole bottle mouth in the groove 4, the thickness of the lower ring 32 is larger than that of the lower ring 32 in the first embodiment.
The implementation principle of the above embodiment is as follows:
during bottle blowing, the blowing needle 1 is inserted into a bottle blank, bottle blowing is started after the blowing needle is inserted to a preset position, the groove 4 formed between the inner wall of the lower ring 32 and the outer wall of the blowing needle 1 is used for forming a threaded part of a bottle opening, after the bottle blowing is finished, the bolt 531 is screwed off, the connection between the upper ring 31 and the blowing needle 1 is released, the electromagnets 521 are electrified, the electromagnets 521 on the two parting templates 5 are respectively connected with a front template and a rear template in the mold closing mechanism, and when the mold closing mechanism opens the mold under the action of the driving mechanism, the parting templates 5 move along with the mold closing mechanism and are separated from the bottle opening, so that the burr position is further moved downwards to the joint of the outer wall of the bottle opening and the bottle body, and the safety of the bottle opening is further improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an improve blow needle structure of bottleneck leakproofness, includes blow needle (1) and sets up in the type of moulding piece (2) of blowing needle (1) outer peripheral face, its characterized in that: the end face, facing the top of the bottle mouth, of the parting block (2) is provided with a groove (4), and the distance between the peripheral wall of the groove (4) and the outer wall of the blowing needle (1) is matched with the thickness of the bottle mouth.
2. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 1, wherein: the edge of the groove (4) corresponding to the outer edge of the top of the bottle mouth is in arc transition.
3. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 1, wherein: the parting block (2) comprises an upper ring (31) arranged on the blowing needle (1) and a lower ring (32) fixedly arranged on the upper ring (31), and a gap for forming a groove (4) is reserved between the inner wall of the lower ring (32) and the outer wall of the blowing needle (1).
4. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 3, wherein: the bottom end of the lower ring (32) is positioned above the threaded part of the outer wall of the bottle mouth.
5. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 3, wherein: lower ring (32) bottom extends to the screw thread portion below of bottleneck outer wall, be provided with the internal thread on the inner wall of lower ring (32), parting piece (2) are including parting template (5) that two symmetries set up, two parting template (5) correspond with preceding template and back template respectively, be provided with the connecting piece that is used for being connected with locking mechanism on parting template (5), parting template (5) can be dismantled through coupling assembling and connect in blowing needle (1).
6. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 5, wherein: the bottom end of the lower ring (32) extends to the joint of the outer wall of the bottle mouth and the bottle body.
7. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 5, wherein: the connecting piece is set as an electromagnet (521), and the electromagnet (521) is fixedly arranged on the outer wall of the parting template.
8. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 5, wherein: an extension plate (53) extends from one end of the upper ring (31) facing away from the lower ring (32), and the connecting assembly is arranged on the extension plate (53).
9. The blowing needle structure for improving the sealing performance of the bottle opening as claimed in claim 8, wherein: the connecting assembly comprises a bolt (531) penetrating through the extension plate (53), and the bolt (531) is in threaded connection with the blowing needle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210182347.7A CN114536721A (en) | 2022-02-26 | 2022-02-26 | Improve blow needle structure of bottleneck leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210182347.7A CN114536721A (en) | 2022-02-26 | 2022-02-26 | Improve blow needle structure of bottleneck leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114536721A true CN114536721A (en) | 2022-05-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210182347.7A Pending CN114536721A (en) | 2022-02-26 | 2022-02-26 | Improve blow needle structure of bottleneck leakproofness |
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| CN (1) | CN114536721A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3090742U (en) * | 2002-06-14 | 2002-12-26 | 文▲庸▼ 楊 | Bottle mouth opening structure |
| CN202045856U (en) * | 2011-04-30 | 2011-11-23 | 乌鲁木齐华佳成医药包装有限公司 | Outwards guided plastic bottle blowing machine stretching rod supporting base |
| CN104507660A (en) * | 2012-08-09 | 2015-04-08 | 日精Asb机械株式会社 | Blow nozzle and blow molding machine |
| CN106414026A (en) * | 2014-06-20 | 2017-02-15 | 日精Asb机械株式会社 | Manufacturing method and manufacturing apparatus for hollow container |
| CN107225749A (en) * | 2016-03-25 | 2017-10-03 | 上海紫江企业集团股份有限公司 | The mould structure of wide-mouth bottle intermediate and the manufacture method of wide-mouth bottle |
| CN208745328U (en) * | 2018-08-31 | 2019-04-16 | 上海紫江企业集团股份有限公司 | A kind of equipment for blowing |
| CN211138086U (en) * | 2019-07-23 | 2020-07-31 | 广州格莱汉姆包装产品有限公司 | Blowing needle of blow molding machine |
-
2022
- 2022-02-26 CN CN202210182347.7A patent/CN114536721A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3090742U (en) * | 2002-06-14 | 2002-12-26 | 文▲庸▼ 楊 | Bottle mouth opening structure |
| CN202045856U (en) * | 2011-04-30 | 2011-11-23 | 乌鲁木齐华佳成医药包装有限公司 | Outwards guided plastic bottle blowing machine stretching rod supporting base |
| CN104507660A (en) * | 2012-08-09 | 2015-04-08 | 日精Asb机械株式会社 | Blow nozzle and blow molding machine |
| CN106414026A (en) * | 2014-06-20 | 2017-02-15 | 日精Asb机械株式会社 | Manufacturing method and manufacturing apparatus for hollow container |
| CN107225749A (en) * | 2016-03-25 | 2017-10-03 | 上海紫江企业集团股份有限公司 | The mould structure of wide-mouth bottle intermediate and the manufacture method of wide-mouth bottle |
| CN208745328U (en) * | 2018-08-31 | 2019-04-16 | 上海紫江企业集团股份有限公司 | A kind of equipment for blowing |
| CN211138086U (en) * | 2019-07-23 | 2020-07-31 | 广州格莱汉姆包装产品有限公司 | Blowing needle of blow molding machine |
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Application publication date: 20220527 |