CN103381656A - Plastic piece air-pressure thermal forming machine chain track opening device - Google Patents
Plastic piece air-pressure thermal forming machine chain track opening device Download PDFInfo
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- CN103381656A CN103381656A CN2013103485194A CN201310348519A CN103381656A CN 103381656 A CN103381656 A CN 103381656A CN 2013103485194 A CN2013103485194 A CN 2013103485194A CN 201310348519 A CN201310348519 A CN 201310348519A CN 103381656 A CN103381656 A CN 103381656A
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- sliding sleeve
- adjusting
- adjusting screw
- outer circumference
- circumference surface
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- 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
- B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
- B29C51/26—Component parts, details or accessories; Auxiliary operations
- B29C51/261—Handling means, e.g. transfer means, feeding means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Actuator (AREA)
Abstract
A plastic piece air-pressure thermal forming machine chain track opening device comprises a first adjusting screw, a second adjusting screw, a first chain track, a second chain track, a first sliding sleeve and a second sliding sleeve. Outer threads on the outer circumference face of the first adjusting screw are left screwing threads, outer threads on the outer circumference face of the second adjusting screw are right screwing threads, the first sliding sleeve is sleeved on the first adjusting screw and is in threaded connection with the first adjusting screw, the second sliding sleeve is sleeved on the second sliding sleeve and is in threaded connection with the second sliding sleeve, the right end of the first adjusting screw is connected with the left end of the second adjusting screw, a first adjusting cylinder capable of longitudinally moving along the first sliding sleeve is arranged on the first sliding sleeve, and the first chain track is installed at the top end of the first adjusting cylinder. A second adjusting cylinder capable of longitudinally moving along the second sliding sleeve is arranged on the second sliding sleeve, and the second chain track is installed at the top end of the second adjusting cylinder. The plastic piece air-pressure thermal forming machine chain track opening device is simple in structure, compact in structural design, low in gravity center, easy to adjust and difficult to damage.
Description
Technical field
The present invention relates to a kind of plastic sheet pneumatic thermoforming machine, more specifically to a kind of plastic sheet pneumatic thermoforming machine chain rail deploying device.
Background technology
The plastic sheet pneumatic thermoforming machine is to rely on compressed air will be subjected to the plastic sheet of thermal softening to stretch, pressurize, and makes it be close to die surface, becomes the former of goods after cooling and shaping.
Due to plastic sheet before conveying, its two ends are clipped in respectively on two chain rails, then two chain rails are fed forward plastic sheet, plastic sheet is by the infrared radiation heating of electric furnace, and after plastic sheet was softening, the intermediate portion often all can be sagging, this moment is according to the requirement of moulding process, need two chain rails to possess the function of automatically opening, the spacing of two chain rails is increased, thereby allow the sagging situation of plastic sheet mid portion be improved.
Traditional automatic stretching mechanism of chain rail; adopt cylinder to regulate; as shown in Figure 2; the screw thread of the adjusting screw(rod) left and right sides adopts respectively positive and reverse return to make; rotation by adjusting screw(rod) make two chain rail supportive devices move dorsad, allow simultaneously two chain rail spacings increase or two chain rail supportive devices simultaneously move toward one another, allow the spacing of two chain rails reduce; adjusting screw(rod) is to regulate the spacing of two chain rails to suitable numerical value under stopped status, so that cylinder can better be regulated the spacing size of chain rail when work.The concrete steps of regulating the spacing of two chain rail slice-feeding ends are, when plastic sheet be heated sagging after, drive respectively the motion dorsad simultaneously respectively of two chain rails by two cylinders, strut plastic sheet, to reduce sagging degree.
But, due to the automatic stretching mechanism structural design of existing chain rail Shortcomings part, the structure of the automatic stretching mechanism of whole chain rail is relatively disperseed, unreasonable, center of gravity is higher, the moment that produces when therefore regulating is larger, after using after a while, the automatic stretching mechanism structure of chain rail larger wearing and tearing just easily occur, causes the flexibility of adjustment relatively poor, opens stroke and also often can't adjust according to demand, the service life of parts is short, often needs repairing or renewal part.
Summary of the invention
Technical problem to be solved by this invention is that the structure that exists for prior art is not compact, unreasonable, a kind of plastic sheet pneumatic thermoforming machine chain rail deploying device is provided, and this plastic sheet pneumatic thermoforming machine chain rail deploying device is simple in structure, structural design is compact, center of gravity is lower, adjusting is more prone to, is not easy damage.The technical scheme that adopts is as follows:
a kind of plastic sheet pneumatic thermoforming machine chain rail deploying device, comprise the first adjusting screw(rod), the second adjusting screw(rod), the first chain rail, the second chain rail, the first sliding sleeve and the second sliding sleeve, external screw thread on the outer circumference surface of described the first adjusting screw(rod) is left hand thread, external screw thread on the outer circumference surface of the second adjusting screw(rod) is right-handed thread, described the first sliding sleeve is enclosed within on the first adjusting screw(rod), the first sliding sleeve is threaded with the first adjusting screw(rod), described the second sliding sleeve is enclosed within on the second adjusting screw(rod), the second sliding sleeve is threaded with the second adjusting screw(rod), the first adjusting screw(rod) right-hand member is connected with the second adjusting screw(rod) left end, it is characterized in that: described the first sliding sleeve is provided with first adjusting cylinders that can vertically move along the first sliding sleeve, described the first chain rail is arranged on the first adjusting cylinders top, described the second sliding sleeve is provided with second adjusting cylinders that can vertically move along the second sliding sleeve, and described the second chain rail is arranged on the second adjusting cylinders top.
More excellent scheme, described the first adjusting cylinders comprises the first cylinder body and first piston, on the outer circumference surface that is set in the first sliding sleeve that described the first cylinder body can vertically move along the outer circumference surface of the first sliding sleeve, described first piston is arranged on the outer circumference surface of the first sliding sleeve, and first piston is positioned at the first cylinder body, and the first cylinder body is divided into the first left cavity and the first right cavity; Described the second adjusting cylinders comprises the second cylinder body and the second piston, on the outer circumference surface that is set in the second sliding sleeve that the second cylinder body can vertically move along the outer circumference surface of the second sliding sleeve, described the second piston is arranged on the outer circumference surface of the second sliding sleeve, and the second piston is positioned at the second cylinder body, and the second cylinder body is divided into the second left cavity and the second right cavity.During described the first adjusting cylinders work, external Compressed Gas enters the first left cavity or the first right cavity, forces the first cylinder body to vertically move along the outer circumference surface of the first sliding sleeve to the right or left.During described the second adjusting cylinders work, external Compressed Gas enters the second left cavity or the second right cavity, forces the second cylinder body to vertically move along the outer circumference surface of the second sliding sleeve to the right or left.
In order to limit the move distance of the first adjusting cylinders, the second adjusting cylinders, sheathed two the first adjusting nuts of the outer circumference surface left end of described the first sliding sleeve, described the first adjusting nut is threaded with the outer circumference surface of the first sliding sleeve; Sheathed two the second adjusting nuts of the outer circumference surface left end of described the second sliding sleeve, described the second adjusting nut is threaded with the outer circumference surface of the second sliding sleeve.
The present invention's beneficial effect against existing technologies is, due to the structure of cylinder is improved, allow cylinder and sliding sleeve combine, thus chain rail deploying device simple in structure, structural design is compact, center of gravity is lower, regulate be more prone to, be not easy damage, greatly increase service life.
Description of drawings
Fig. 1 is the structural representation of the preferred embodiment of the present invention;
Fig. 2 is the structural representation of prior art of the present invention.
The specific embodiment
as shown in Figure 1, plastic sheet pneumatic thermoforming machine chain rail deploying device in this preferred embodiment, comprise the first adjusting screw(rod) 1, the second adjusting screw(rod) 2, the first chain rail 3, the second chain rail 4, the first sliding sleeve 5 and the second sliding sleeve 6, external screw thread on the outer circumference surface of described the first adjusting screw(rod) 1 is left hand thread, external screw thread on the outer circumference surface of the second adjusting screw(rod) 2 is right-handed thread, described the first sliding sleeve 5 is enclosed within on the first adjusting screw(rod) 1, the first sliding sleeve 5 is threaded with the first adjusting screw(rod) 1, described the second sliding sleeve 6 is enclosed within on the second adjusting screw(rod) 2, the second sliding sleeve 6 is threaded with the second adjusting screw(rod) 2, the first adjusting screw(rod) 1 right-hand member is connected with the second adjusting screw(rod) 2 left ends.
Described the first sliding sleeve 5 is provided with first adjusting cylinders that can vertically move along the first sliding sleeve 5, and described the first chain rail 3 is arranged on the first adjusting cylinders top; Described the second sliding sleeve 6 is provided with second adjusting cylinders that can vertically move along the second sliding sleeve 6, and described the second chain rail 4 is arranged on the second adjusting cylinders top.
Described the first adjusting cylinders comprises the first cylinder body 7 and first piston 8, on the outer circumference surface that is set in the first sliding sleeve 5 that described the first cylinder body 7 can vertically move along the outer circumference surface of the first sliding sleeve 5, described first piston 8 is arranged on the outer circumference surface of the first sliding sleeve 5, and first piston 8 is positioned at the first cylinder body 7, and the first cylinder body 7 is divided into the first left cavity 9 and the first right cavity 10; Described the second adjusting cylinders comprises the second cylinder body 11 and the second piston 12, on the outer circumference surface that is set in the second sliding sleeve 6 that the second cylinder body 11 can vertically move along the outer circumference surface of the second sliding sleeve 6, described the second piston 12 is arranged on the outer circumference surface of the second sliding sleeve 6, and the second piston 12 is positioned at the second cylinder body 11, and the second cylinder body 11 is divided into the second left cavity 13 and the second right cavity 14.
During described the first adjusting cylinders work, external Compressed Gas enters the first right cavity 10 of left cavity 9 or the first, forces the first cylinder body 7 to vertically move along the outer circumference surface of the first sliding sleeve 5 to the right or left.During described the second adjusting cylinders work, external Compressed Gas enters the second right cavity 14 of left cavity 13 or the second, forces the second cylinder body 11 to vertically move along the outer circumference surface of the second sliding sleeve 6 to the right or left.
In order to limit the move distance of the first adjusting cylinders, the second adjusting cylinders, sheathed two the first adjusting nuts 15 of the outer circumference surface left end of described the first sliding sleeve 5, described the first adjusting nut 15 is threaded with the outer circumference surface of the first sliding sleeve 5; Sheathed two the second adjusting nuts 16 of the outer circumference surface left end of described the second sliding sleeve 6, described the second adjusting nut 16 is threaded with the outer circumference surface of the second sliding sleeve 6.
The producer can adjust by regulating the first adjusting screw(rod) 1 or the second adjusting screw(rod) 2 position of first piston 8, the second piston 12, thus the spacing of regulating the first chain rail, the second chain rail.
When ventilating in the first cylinder and/or in the second cylinder, because first piston 8, the second piston 12 maintain static, therefore the first cylinder body 7 and/or the second cylinder body 11 move left and right, and drive the first chain rail, the second chain rail open and closure.
Folding size (maximum spacing of the first chain rail, the second chain rail) by regulate the first adjusting nut 15, the second adjusting nut 16 is realized.
Claims (3)
1. plastic sheet pneumatic thermoforming machine chain rail deploying device, comprise the first adjusting screw(rod), the second adjusting screw(rod), the first chain rail, the second chain rail, the first sliding sleeve and the second sliding sleeve, external screw thread on the outer circumference surface of described the first adjusting screw(rod) is left hand thread, external screw thread on the outer circumference surface of the second adjusting screw(rod) is right-handed thread, described the first sliding sleeve is enclosed within on the first adjusting screw(rod), the first sliding sleeve is threaded with the first adjusting screw(rod), described the second sliding sleeve is enclosed within on the second adjusting screw(rod), the second sliding sleeve is threaded with the second adjusting screw(rod), the first adjusting screw(rod) right-hand member is connected with the second adjusting screw(rod) left end, it is characterized in that: described the first sliding sleeve is provided with first adjusting cylinders that can vertically move along the first sliding sleeve, described the first chain rail is arranged on the first adjusting cylinders top, described the second sliding sleeve is provided with second adjusting cylinders that can vertically move along the second sliding sleeve, and described the second chain rail is arranged on the second adjusting cylinders top.
2. plastic sheet pneumatic thermoforming machine chain rail deploying device as claimed in claim 1, it is characterized in that: described the first adjusting cylinders comprises the first cylinder body and first piston, on the outer circumference surface that is set in the first sliding sleeve that described the first cylinder body can vertically move along the outer circumference surface of the first sliding sleeve, described first piston is arranged on the outer circumference surface of the first sliding sleeve, and first piston is positioned at the first cylinder body, and the first cylinder body is divided into the first left cavity and the first right cavity; Described the second adjusting cylinders comprises the second cylinder body and the second piston, on the outer circumference surface that is set in the second sliding sleeve that the second cylinder body can vertically move along the outer circumference surface of the second sliding sleeve, described the second piston is arranged on the outer circumference surface of the second sliding sleeve, and the second piston is positioned at the second cylinder body, and the second cylinder body is divided into the second left cavity and the second right cavity.
3. plastic sheet pneumatic thermoforming machine chain rail deploying device as claimed in claim 2 is characterized in that: sheathed two the first adjusting nuts of the outer circumference surface left end of described the first sliding sleeve, and described the first adjusting nut is threaded with the outer circumference surface of the first sliding sleeve; Sheathed two the second adjusting nuts of the outer circumference surface left end of described the second sliding sleeve, described the second adjusting nut is threaded with the outer circumference surface of the second sliding sleeve.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348519.4A CN103381656B (en) | 2013-08-12 | 2013-08-12 | Plastic sheet pneumatic thermoforming machine chain rail deploying device |
| PCT/CN2013/001115 WO2015021572A1 (en) | 2013-08-12 | 2013-09-22 | Caterpillar track expanding device for plastic sheet pneumatic thermoforming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310348519.4A CN103381656B (en) | 2013-08-12 | 2013-08-12 | Plastic sheet pneumatic thermoforming machine chain rail deploying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103381656A true CN103381656A (en) | 2013-11-06 |
| CN103381656B CN103381656B (en) | 2015-08-19 |
Family
ID=49489695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310348519.4A Active CN103381656B (en) | 2013-08-12 | 2013-08-12 | Plastic sheet pneumatic thermoforming machine chain rail deploying device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103381656B (en) |
| WO (1) | WO2015021572A1 (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008279685A (en) * | 2007-05-11 | 2008-11-20 | Asano Laboratories Co Ltd | Vacuum forming method and vacuum forming apparatus of plastic sheet |
| CN201552747U (en) * | 2009-11-24 | 2010-08-18 | 黄伟东 | Adjusting mechanism of thermoforming machine feeding device |
| CN202045860U (en) * | 2011-04-27 | 2011-11-23 | 平阳县力泰机械有限公司 | Sheet conveying mechanism |
| EP2522486A1 (en) * | 2011-05-10 | 2012-11-14 | Multivac Sepp Haggenmüller GmbH & Co. KG | Tool swapping device |
| CN203438539U (en) * | 2013-08-12 | 2014-02-19 | 广东达诚机械有限公司 | Caterpillar track expansion device for plastic piece air-pressure hot-forming machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100465741B1 (en) * | 2002-04-19 | 2005-01-13 | 주식회사 신효 | A sheet transfer apparatus of automatic vacuum forming system |
| CN201712171U (en) * | 2010-06-02 | 2011-01-19 | 恒丰国际实业有限公司 | Two-section parallel extension device for chain tracks of plastic absorbing machine |
-
2013
- 2013-08-12 CN CN201310348519.4A patent/CN103381656B/en active Active
- 2013-09-22 WO PCT/CN2013/001115 patent/WO2015021572A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008279685A (en) * | 2007-05-11 | 2008-11-20 | Asano Laboratories Co Ltd | Vacuum forming method and vacuum forming apparatus of plastic sheet |
| CN201552747U (en) * | 2009-11-24 | 2010-08-18 | 黄伟东 | Adjusting mechanism of thermoforming machine feeding device |
| CN202045860U (en) * | 2011-04-27 | 2011-11-23 | 平阳县力泰机械有限公司 | Sheet conveying mechanism |
| EP2522486A1 (en) * | 2011-05-10 | 2012-11-14 | Multivac Sepp Haggenmüller GmbH & Co. KG | Tool swapping device |
| CN203438539U (en) * | 2013-08-12 | 2014-02-19 | 广东达诚机械有限公司 | Caterpillar track expansion device for plastic piece air-pressure hot-forming machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015021572A1 (en) | 2015-02-19 |
| CN103381656B (en) | 2015-08-19 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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| CP01 | Change in the name or title of a patent holder |
Address after: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee after: Guangdong Dacheng Technology Co., LTD Address before: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee before: Guangdong Designer Machinery Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200812 Address after: No.1, Desheng Village Industrial Park, Desheng street, Dalian Economic and Technological Development Zone, Liaoning Province, 116000 Patentee after: Dalian Dacheng environmental protection machinery Co., Ltd Address before: Lu Shengping Industrial Zone Jinping District 515041 Guangdong city of Shantou province No. 28 Patentee before: GUANGDONG DESIGNER TECHNOLOGY Co.,Ltd. |