CN104494120A - Cold cutting knife parison cutting device inside hollow blow moulding machine - Google Patents
Cold cutting knife parison cutting device inside hollow blow moulding machine Download PDFInfo
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- CN104494120A CN104494120A CN201410757713.2A CN201410757713A CN104494120A CN 104494120 A CN104494120 A CN 104494120A CN 201410757713 A CN201410757713 A CN 201410757713A CN 104494120 A CN104494120 A CN 104494120A
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- cutting knife
- cold cutting
- cold
- telescopic cylinder
- air cylinder
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a cold cutting knife parison cutting device inside a hollow blow moulding machine. The cold cutting knife parison cutting device comprises a first telescopic air cylinder, an upper knife holder, an upper cold cutting knife, fixed sleeves, guide rods, a connecting plate, a lower knife holder, a lower cold cutting knife and a second telescopic air cylinder, wherein the first telescopic air cylinder is vertically arranged in a stander; a piston rod of the first telescopic air cylinder is downwards fixed with the upper knife holder; the cold cutting knife is arranged at the bottom of the upper knife holder; the fixed sleeves are respectively arranged on the standers positioned on the left side and right side of the first telescopic air cylinder; the guide rods capable of moving up and down along the fixed sleeves are respectively arranged in the fixed sleeves; the upper ends of all the guide rods are fixed with the connecting plate, and the lower ends of the guide rods are fixed with the lower knife holder with a top provided with the lower cold cutting knife; the upper cold cutting knife and the lower cold cutting knife are distributed in a top-bottom opposite state; the stander is vertically provided with the second telescopic air cylinder; the piston rod of the second telescopic air cylinder is upwards fixed with the connecting plate; and the piston rods of the first telescopic air cylinder and the second telescopic air cylinder can drive the upper cold cutting knife and the lower cold cutting knife to close to or separate from each other synchronously during simultaneous extension or retraction. The cold cutting knife parison cutting device disclosed by the invention is convenient to install and maintain and can be used for enhancing the synchronism and working stability of the upper cold cutting knife and the lower cold cutting knife.
Description
Technical field
The present invention relates to the blow molding machine that continous way is extruded, be specifically related to the cold cutter parison shearing device in blow molding machine.
Background technology
Cold cutter parison shearing device is a kind of parison shearing device conventional in blow molding machine, the structure of the cold cutter parison shearing device used at present is: as shown in Figure 1, comprise frame 1, in frame 1, telescopic cylinder 2 is vertically installed, the piston rod of telescopic cylinder 2 downwards and be fixed with upper cutter head 3, in the bottom of upper cutter head 3, cold cutter 4 is installed, the frame 1 of telescopic cylinder 2 left and right sides is provided with fixed cover 5, the guide rod 6 that can move up and down along fixed cover 5 is provided with in fixed cover 5, the upper end of all guide rods 6 fixes with connecting plate 7 simultaneously, lower end is provided with lower cold cutter 8 simultaneously lower tool rest 9 with top fixes, upper cold cutter 4 and lower cold cutter 8 distribute in relative shape up and down, upper cold cutter 4 and lower cold cutter 8 are close to each other or separate under the effect of synchronous regulation mechanism, the structure of described synchronous regulation mechanism is: on upper cutter head 3, be vertically provided with initiatively tooth bar 10, the gear 11 coordinated that can be meshed with active tooth bar 10 is provided with in frame 1, the driven tooth bar 12 coordinated that can be meshed with gear 11 is vertically installed in the bottom of connecting plate 7, initiatively tooth bar 10 and driven tooth bar 12 lay respectively at the both sides of gear 11.The operation principle of above-mentioned cold cutter parison shearing device is: when the piston rod of telescopic cylinder 2 stretches out downwards, the upper cutter head 3 being provided with cold cutter 4 can be driven to move down, upper cutter head 3 synchronously drives driving tooth bar 10 to move down, the active tooth bar 10 moved down can rotate clockwise by driven gear 11, the gear 11 rotated clockwise drives driven tooth bar 12 to move up again, the driven tooth bar 12 moved up drives guide rod 6 to move up along fixed cover 5 by connecting plate 7, and then synchronous drive is positioned at guide rod 6 lower end and the lower tool rest 9 being provided with lower cold cutter 8 moves up, thus cold cutter 4 is cut off parison with lower cold cutter 8 is close to each other, when the piston rod of telescopic cylinder 2 is upwards retracted, the upper cutter head 3 being provided with cold cutter 4 can be driven to move up, upper cutter head 3 synchronously drives driving tooth bar 10 to move up, the active tooth bar 10 moved up can rotate counterclockwise by driven gear 11, the gear 11 rotated counterclockwise drives driven tooth bar 12 to move down again, the driven tooth bar 12 moved down drives guide rod 6 to move down along fixed cover 5 by connecting plate 7, and then synchronous drive is positioned at guide rod 6 lower end and the lower tool rest 9 being provided with lower cold cutter 8 moves down, thus cold cutter 4 and lower cold cutter 8 are separated from each other.The shortcoming of above-mentioned cold cutter parison shearing device is: due to the processing of wheel and rack and installation and maintenance all quite loaded down with trivial details, and cost costly, not only labor strength is large, and considerably increase enterprise's production and application cost, simultaneously because wheel and rack in use very easily skimming wear occurs and wear extent is larger, very easily there is stuck or situation about having some setbacks of sliding, thus the synchronism of the upper cold cutter of impact and lower cold cutter, and then reduce the job stability of cold cutter parison shearing device.
Summary of the invention
The object of this invention is to provide a kind of installation and maintenance convenient, the cold cutter parison shearing device in the blow molding machine that job stability is high.
For achieving the above object, present invention employs following technical scheme: the cold cutter parison shearing device in described blow molding machine, comprise: frame, in frame, the first telescopic cylinder is vertically installed, the piston rod of the first telescopic cylinder downwards and be fixed with upper cutter head, the bottom of upper cutter head is provided with cold cutter, the frame of the first telescopic cylinder left and right sides is respectively arranged with fixed cover, the guide rod that can move up and down along fixed cover is respectively arranged with in fixed cover, upper end and the connecting plate of all guide rods fix, the lower tool rest that lower end and top are provided with lower cold cutter fixes, upper cold cutter and lower cold cutter distribute in relative shape up and down, also the second telescopic cylinder is vertically provided with in frame, the piston rod of the second telescopic cylinder upwards and fix with connecting plate, when the piston rod of the first telescopic cylinder and the second telescopic cylinder stretches out simultaneously or retracts simultaneously, upper cold cutter can be driven synchronous with lower cold cutter close to each other or be separated from each other.
Further, the cold cutter parison shearing device in aforesaid blow molding machine, wherein: be fixed with fairlead respectively in the left and right sides of upper cutter head, each fairlead is set on the guide rod with its homonymy respectively.
By the enforcement of technique scheme, the invention has the beneficial effects as follows: not only structure is simple, installation and maintenance are convenient, can provide larger closing force, and can improve synchronism and the job stability of upper cold cutter and lower cold cutter.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cold cutter parison shearing device in the blow molding machine described in background technology.
Fig. 2 is the structural representation of the cold cutter parison shearing device in blow molding machine of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
As shown in Figure 2, cold cutter parison shearing device in described blow molding machine, comprise: frame 13, first telescopic cylinder 14 is vertically installed in frame 13, the piston rod of the first telescopic cylinder 14 downwards and be fixed with upper cutter head 15, the bottom of upper cutter head 15 is provided with cold cutter 16, the frame 13 of first telescopic cylinder 14 left and right sides is respectively arranged with fixed cover 17, the guide rod 18 that can move up and down along fixed cover 17 is respectively arranged with in fixed cover 17, upper end and the connecting plate 19 of all guide rods 18 fix, the lower tool rest 21 that lower end and top are provided with lower cold cutter 20 fixes, upper cold cutter 16 and lower cold cutter 20 distribute in relative shape up and down, the second telescopic cylinder 22 is also vertically provided with in frame 1, the piston rod of the second telescopic cylinder 22 upwards and fix with connecting plate 19, when the piston rod of the first telescopic cylinder 14 and the second telescopic cylinder 22 stretches out simultaneously or retracts simultaneously, upper cold cutter 16 can be driven synchronous with lower cold cutter 20 close to each other or be separated from each other, in the present embodiment, fairlead 23 is fixed with respectively in the left and right sides of upper cutter head 15, each fairlead 23 is set on the guide rod 18 with its homonymy respectively, upper cutter head 15 can be made to move up and down so more stable, and then cold cutter 16 can more stably be coordinated with lower cold cutter 20 cut off parison,
Operation principle of the present invention is:
By simultaneously protruding for the piston rod of the piston rod of the first telescopic cylinder 14 and the second telescopic cylinder 22, first telescopic cylinder 14 can drive upper cutter head 15 to move down along guide rod 18, in synchronous drive, cold cutter 16 moves down, second telescopic cylinder 22 can drive guide rod 18 to move up along fixed cover 17 by connecting plate 19 simultaneously, under synchronous drive, tool rest 21 moves up, and then the lower cold cutter 20 of synchronous drive moves up, thus cold cutter 16 is cut off to parison with lower cold cutter 20 is close to each other; After parison cuts off, the piston rod of the piston rod of the first telescopic cylinder 14 and the second telescopic cylinder 22 is inwardly retracted simultaneously, first telescopic cylinder 14 can drive upper cutter head 15 to move up along guide rod 18, in synchronous drive, cold cutter 16 moves up, second telescopic cylinder 22 can drive guide rod 18 to move down along fixed cover 17 by connecting plate 19 simultaneously, under synchronous drive, tool rest 21 moves down, and then the lower cold cutter 20 of synchronous drive moves down, thus cold cutter 16 and lower cold cutter 20 are separated from each other; Advantage of the present invention is: (1) structure is simple, and installation and maintenance are convenient; (2) avoid because of rack-and-pinion be slidably matched after to wear and tear the generation of cause stuck or the mobile situation that has some setbacks, substantially increase the synchronism of cold cutter and lower cold cutter and the operation stability that works; (3) larger closing force can be provided, cold cutter and lower cold cutter can be cut off parison smoothly.
Claims (2)
1. the cold cutter parison shearing device in blow molding machine, comprise: frame, it is characterized in that: in frame, the first telescopic cylinder is vertically installed, the piston rod of the first telescopic cylinder downwards and be fixed with upper cutter head, the bottom of upper cutter head is provided with cold cutter, the frame of the first telescopic cylinder left and right sides is respectively arranged with fixed cover, the guide rod that can move up and down along fixed cover is respectively arranged with in fixed cover, upper end and the connecting plate of all guide rods fix, the lower tool rest that lower end and top are provided with lower cold cutter fixes, upper cold cutter and lower cold cutter distribute in relative shape up and down, also the second telescopic cylinder is vertically provided with in frame, the piston rod of the second telescopic cylinder upwards and fix with connecting plate, when the piston rod of the first telescopic cylinder and the second telescopic cylinder stretches out simultaneously or retracts simultaneously, upper cold cutter can be driven synchronous with lower cold cutter close to each other or be separated from each other.
2. the cold cutter parison shearing device in blow molding machine according to claim 1, it is characterized in that: be fixed with fairlead respectively in the left and right sides of upper cutter head, each fairlead is set on the guide rod with its homonymy respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757713.2A CN104494120A (en) | 2014-12-12 | 2014-12-12 | Cold cutting knife parison cutting device inside hollow blow moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410757713.2A CN104494120A (en) | 2014-12-12 | 2014-12-12 | Cold cutting knife parison cutting device inside hollow blow moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104494120A true CN104494120A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410757713.2A Pending CN104494120A (en) | 2014-12-12 | 2014-12-12 | Cold cutting knife parison cutting device inside hollow blow moulding machine |
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| Country | Link |
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| CN (1) | CN104494120A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347431A (en) * | 2022-01-25 | 2022-04-15 | 苏州星贝尔中空成型设备有限公司 | Cold cutting knife parison cutting device for hollow blow molding machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559650A (en) * | 2008-04-14 | 2009-10-21 | 施金亨 | Multi-blank multi-layer co-extruding blow moulding machine |
| CN101844397A (en) * | 2010-04-14 | 2010-09-29 | 张家港市普天机械制造有限公司 | Cold cutter |
| CN204340180U (en) * | 2014-12-12 | 2015-05-20 | 苏州星贝尔中空成型设备有限公司 | Cold cutter parison shearing device in blow molding machine |
-
2014
- 2014-12-12 CN CN201410757713.2A patent/CN104494120A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101559650A (en) * | 2008-04-14 | 2009-10-21 | 施金亨 | Multi-blank multi-layer co-extruding blow moulding machine |
| CN101844397A (en) * | 2010-04-14 | 2010-09-29 | 张家港市普天机械制造有限公司 | Cold cutter |
| CN204340180U (en) * | 2014-12-12 | 2015-05-20 | 苏州星贝尔中空成型设备有限公司 | Cold cutter parison shearing device in blow molding machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114347431A (en) * | 2022-01-25 | 2022-04-15 | 苏州星贝尔中空成型设备有限公司 | Cold cutting knife parison cutting device for hollow blow molding machine |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 215600 Zhangjiagang Economic Development Zone of Jiangsu province (east of Port City Avenue) Applicant after: BESTAR BLOW MOLDING MACHINE TECHNOLOGY CO., LTD. Address before: 215600 Suzhou star Baer hollow forming equipment Co., Ltd. Jiangsu Zhangjiagang Economic Development Zone (east of Suzhou Avenue) Applicant before: BESTAR BLOW MOLDING TECHNOLOGY CO., LTD. |
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| COR | Change of bibliographic data | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |