CN203438539U - Caterpillar track expansion device for plastic piece air-pressure hot-forming machine - Google Patents
Caterpillar track expansion device for plastic piece air-pressure hot-forming machine Download PDFInfo
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- CN203438539U CN203438539U CN201320489164.6U CN201320489164U CN203438539U CN 203438539 U CN203438539 U CN 203438539U CN 201320489164 U CN201320489164 U CN 201320489164U CN 203438539 U CN203438539 U CN 203438539U
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- sliding sleeve
- adjusting screw
- adjusting
- outer circumference
- circumference surface
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Abstract
The utility model discloses a caterpillar track expansion device for a plastic piece air-pressure hot-forming machine. The device comprises a first adjusting screw, a second adjusting screw, a first caterpillar track, a second caterpillar track, a first sliding sleeve and a second sliding sleeve, wherein an external thread on the outer circumferential surface of the first adjusting screw is a left-hand thread; an external thread on the outer circumferential surface of the second adjusting screw is a right-hand thread; 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 adjusting screw, and is in threaded connection with the second adjusting screw; 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; the first caterpillar track is arranged 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; the second caterpillar track is arranged at the top end of the second adjusting cylinder. The device is simple in structure, compact in structural design, low in center of gravity, easy to adjust and difficult to damage.
Description
Technical field
The utility model 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
Plastic sheet pneumatic thermoforming machine is to rely on compressed air that the plastic sheet that is subject to thermal softening is stretched, pressurizeed, and makes it be close to die surface, becomes the former of goods after cooling and shaping.
Because plastic sheet is before conveying, its two ends are clipped in respectively on two chain rails, then two chain rails are fed forward plastic sheet, plastic sheet heats by the infrared radiation of electric furnace, and after plastic sheet is softening, intermediate portion often all can be sagging, now 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 two chain rail spacings increase simultaneously or two chain rail supportive devices simultaneously move toward one another, allow the spacing of two chain rails reduce; adjusting screw(rod) is that spacing for regulate two chain rails under stopped status is to suitable numerical value, so that cylinder can better regulate the spacing size of chain rail when work.Regulate the concrete steps of the spacing of two chain rail slice-feeding ends to be, when plastic sheet be heated sagging after, by two cylinders, drive respectively the motion dorsad simultaneously respectively of two chain rails, 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 producing while therefore regulating is larger, after using after a while, just easily there are larger wearing and tearing, cause the flexibility of adjustment poor in the automatic stretching mechanism structure of chain rail, opens stroke and also often cannot 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 in the utility model is that the structure existing 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 adopting 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.
Scheme preferably, 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, 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, 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 first adjusting nuts of 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 second adjusting nuts of 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 utility model beneficial effect is against existing technologies, 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.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the structural representation of the utility model prior art.
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, 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, 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 right cavity 10 of the first 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 right cavity 14 of the second 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 second adjusting nuts 16 of 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 the position of first pistons 8, the second piston 12 by adjusting the first adjusting screw(rod) 1 or the second adjusting screw(rod) 2, thereby regulates the spacing of 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 to open and closure.
Folding size (maximum spacing of the first chain rail, the second chain rail) is by regulating the first adjusting nut 15, the second adjusting nut 16 to realize.
Claims (3)
1. a 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, 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, 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 first adjusting nuts of 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 second adjusting nuts of 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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489164.6U CN203438539U (en) | 2013-08-12 | 2013-08-12 | Caterpillar track expansion device for plastic piece air-pressure hot-forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320489164.6U CN203438539U (en) | 2013-08-12 | 2013-08-12 | Caterpillar track expansion device for plastic piece air-pressure hot-forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203438539U true CN203438539U (en) | 2014-02-19 |
Family
ID=50089613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320489164.6U Withdrawn - After Issue CN203438539U (en) | 2013-08-12 | 2013-08-12 | Caterpillar track expansion device for plastic piece air-pressure hot-forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203438539U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381656A (en) * | 2013-08-12 | 2013-11-06 | 广东达诚机械有限公司 | Plastic piece air-pressure thermal forming machine chain track opening device |
-
2013
- 2013-08-12 CN CN201320489164.6U patent/CN203438539U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381656A (en) * | 2013-08-12 | 2013-11-06 | 广东达诚机械有限公司 | Plastic piece air-pressure thermal forming machine chain track opening device |
| WO2015021572A1 (en) * | 2013-08-12 | 2015-02-19 | 广东达诚机械有限公司 | Caterpillar track expanding device for plastic sheet pneumatic thermoforming machine |
| CN103381656B (en) * | 2013-08-12 | 2015-08-19 | 广东达诚机械有限公司 | Plastic sheet pneumatic thermoforming machine chain rail deploying device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140219 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |