CN215095538U - Be applied to long-life stretching device of abnormal shape plastic bottle processing - Google Patents
Be applied to long-life stretching device of abnormal shape plastic bottle processing Download PDFInfo
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- CN215095538U CN215095538U CN202120937945.1U CN202120937945U CN215095538U CN 215095538 U CN215095538 U CN 215095538U CN 202120937945 U CN202120937945 U CN 202120937945U CN 215095538 U CN215095538 U CN 215095538U
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- 238000007789 sealing Methods 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 description 5
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- 238000000071 blow moulding Methods 0.000 description 2
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Abstract
The utility model discloses a be applied to long-life stretching device of abnormal shape plastic bottle processing, including tensile pole, stretching plate, screw rod and be used for driving screw's driving motor, the screw rod runs through stretching plate and with stretching plate threaded connection, is provided with spring and solid fixed ring on the tensile pole, gu fixed ring and tensile pole threaded connection, the one end of spring is supported on stretching plate, the other end of spring supports on solid fixed ring, still including the supporting component who is used for restricting solid fixed ring and stretching plate compression spring. The utility model discloses a solid fixed ring and tensile pole threaded connection, and still set up the subassembly that can restrict solid fixed ring and tensile board compression spring the utility model discloses the during operation that stops can make the spring released, avoid the spring to be in compression state for a long time, increased the life of spring, stability when improve equipment processing abnormal shape plastic bottle avoids producing the influence to the operating condition of equipment.
Description
Technical Field
The utility model relates to a heterotypic plastic bottle processing technology field especially relates to a be applied to long-life stretching device of heterotypic plastic bottle processing.
Background
In the production of special-shaped plastic bottles, a stretch blow molding machine is usually used, and stretching is carried out while blow molding, and patent document CN201820569073.6 discloses a flexible stretching mechanism of a bottle blowing machine for producing PET small-mouth bottles with large length-diameter ratio, the stretching mechanism comprises a servo motor 1-1, a stretching plate 1-2, a screw rod 1-3, a threaded sleeve 1-4, a stretching rod 1-5 and a sealing cylinder 1-6 as shown in figure 1, wherein the screw rod 1-3 is connected with an output shaft of the servo motor 1-1, the threaded sleeve 1-4 is fixed on the stretching plate 1-2, a torsion spring 1-7 is sleeved on the stretching rod 1-5, two ends of the torsion spring 1-7 are respectively abutted against the stretching plate 1-2 and a limiting block 1-8 of the stretching rod 1-5, and the working principle of the stretching mechanism is as follows: the servo motor 1-1 drives the screw rod 1-3 to rotate, the threaded sleeve 1-4 is lifted along the screw rod 1-3, and then the stretching plate 1-2 is driven to lift, when the stretching plate 1-2 is lifted, the limiting block 1-8 is directly pushed by the torsion spring 1-7, so that the stretching rod 1-5 is lifted, the plastic bottle blank to be processed is stretched, when the stretching rod 1-5 is blocked, the torsion spring 1-7 can be compressed to generate torsion, if the torsion is equal to the set halt torsion value of the servo motor 1-1, the servo motor 1 is braked and halted, the phenomena of bottoming or hard drawing can be prevented, the stretching rod cannot be damaged, but the stretching mechanism has certain defects in the actual use process: the torsion springs 1-7 are in a compressed state for a long time, so that fatigue is easy to generate, and the service life of the torsion springs 1-7 is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to avoid prior art's weak point, provide a long-life stretching device who is applied to abnormal shape plastic bottle processing to effectively solve the weak point that exists among the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be applied to long-life stretching device of heterotypic plastic bottle processing, includes tensile pole, stretching plate, screw rod and is used for driving screw's driving motor, the screw rod runs through stretching plate and with stretching plate threaded connection, be provided with spring and solid fixed ring on the stretching pole, gu fixed ring and tensile pole threaded connection, the one end of spring is supported on stretching plate, and the other end of spring supports on solid fixed ring, still including the supporting component who is used for the solid fixed ring of restriction and stretching plate compression spring.
Furthermore, the solid fixed ring of restriction and the support component of extension plate compression spring include the linking arm and set up the support arm on the linking arm, linking arm and extension rod threaded connection.
Further, the fixing ring is located on the stretching rod between the connecting arm and the stretching plate.
Furthermore, the number of the support arms is two, and the two support arms are respectively arranged at two ends of the connecting arm.
Furthermore, the fixing ring is provided with anti-slip lines convenient for screwing.
Furthermore, the supporting component of the limiting fixing ring and the stretching plate compression spring comprises a fixing sleeve and a boss arranged on the stretching plate, the fixing sleeve is sleeved on the stretching rod, and the fixing sleeve is in threaded connection with the boss.
Further, the fixing sleeve is arranged on the stretching rod and between the fixing ring and the stretching plate.
Furthermore, the fixed sleeve is provided with anti-slip lines convenient for screwing.
Furthermore, the stretching device also comprises a sealing plate, the stretching rod can movably penetrate through the sealing plate, and the end part of the screw rod is rotatably arranged on the sealing plate.
Furthermore, the sealing plate is provided with a guide column matched with the stretching plate.
The above technical scheme of the utility model following beneficial effect has: the utility model discloses a solid fixed ring and tensile pole threaded connection, and still set up the subassembly that can restrict solid fixed ring and tensile board compression spring the utility model discloses the during operation that stops can make the spring released, avoid the spring to be in compression state for a long time, increased the life of spring, stability when improve equipment processing abnormal shape plastic bottle avoids producing the influence to the operating condition of equipment.
Drawings
FIG. 1 is a schematic structural view of a prior art stretching mechanism for processing plastic bottles;
fig. 2 is a schematic structural diagram of a first embodiment of the present invention;
fig. 3 is a perspective view of a connecting arm, a supporting arm, a fixing ring and a spring according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second embodiment of the present invention;
FIG. 5 is an enlarged view of a portion A of FIG. 4;
fig. 6 is a cross-sectional view of fig. 5.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 2-6, the utility model discloses a be applied to long-life stretching device of heterotypic plastic bottle processing, including tensile pole 1, tensile board 2, screw rod 3 and be used for driving screw rod 3's driving motor 4, screw rod 3 runs through tensile board 2 and with tensile board 2 threaded connection, above-mentioned structure is prior art, and concrete theory of operation can refer to the patent document that patent number is CN201820569073.6, the utility model discloses make following improvement:
be provided with spring 5 and solid fixed ring 6 on the tensile pole 1, gu fixed ring 6 and tensile pole 1 threaded connection, the one end of spring 5 supports on stretching plate 2, and the other end of spring 5 supports on solid fixed ring 6, still including the supporting component who is used for restricting solid fixed ring 6 and stretching plate 2 compression spring 5.
The support component can limit the further compression spring 5 of the stretching rod 1 and the stretching plate 2, and when the device is not used for processing, under the action of the support component, the spring 5 is in a release state, so that the phenomenon that the spring 5 is in a compression state for a long time to generate fatigue is avoided, and the running stability of the device is improved.
The first embodiment is as follows: as shown in fig. 2 and 3, the support assembly that restricts the fixed ring 6 and the tension plate 2 from compressing the spring 5 includes a connecting arm 7 and a support arm 8 provided on the connecting arm 7, the connecting arm 7 being screw-coupled with the tension rod 1.
In this embodiment, the fixing ring 6 is located between the connecting arm 7 and the stretching plate 2 on the stretching rod 1, when the device operates normally, the supporting arm 8 is not in contact with the stretching plate 2, the fixing ring 6 and the stretching plate 2 compress the spring 5, the stretching plate 2 exerts an acting force on the fixing ring 6 under the action of the spring 5, when the device is not suitable for use, the connecting arm 7 is screwed, the connecting arm 7 drives the supporting arm 8 to move towards the stretching plate 2 until the supporting arm 8 abuts against the stretching plate 2, then the fixing ring 6 is screwed, the fixing ring 6 acts towards the stretching plate 2 according to the principle, the spring 5 is released, and at this time, the stretching plate 2 exerts a supporting acting force on the stretching rod 1 through the supporting arm 8 and the connecting arm 7.
The support arm 8 set up quantity for two and set up respectively at the both ends of linking arm 7, increase the bonding strength between support arm 8 and the tensile board 2, improve equipment's stability.
The fixing ring 6 is provided with anti-slip lines which are convenient to screw.
Example two: as shown in fig. 4, 5 and 6, the supporting assembly for limiting the fixing ring 6 and the tension plate 2 to compress the spring 5 comprises a fixing sleeve 9 and a boss 10 arranged on the tension plate 2, the fixing sleeve 9 is sleeved on the tension rod 1, and the fixing sleeve 9 is in threaded connection with the boss 10.
In this embodiment, the fixing sleeve 9 is located between the fixing ring 6 and the stretching plate 2 on the stretching rod 1, when the device is in normal operation, the fixing sleeve 9 is in threaded connection with the boss 10, and the top of the fixing sleeve 9 is not in contact with the fixing ring 6, so that the stretching plate 2 supports the fixing ring 6 by the spring 5, when the device is stopped, the fixing sleeve 9 is screwed, so that the fixing sleeve 9 moves towards the fixing ring 6 until the fixing sleeve 9 abuts against the fixing ring 6, and then the fixing sleeve 9 is screwed while the fixing ring 6 is screwed, so that the fixing sleeve 9 moves towards the stretching plate 2 according to the principle until the spring 5 is not compressed any more, at this time, the stretching plate 2 supports the fixing ring 6 through the fixing sleeve 9.
The fixing sleeve 9 is provided with anti-slip threads facilitating screwing, so that convenience in screwing the fixing sleeve 9 can be improved, in the embodiment, when the fixing sleeve 9 and the fixing ring 6 are screwed, gravity of the stretching rod 1 and equipment on the stretching rod 1 needs to be overcome, in order to further improve convenience in screwing, grooves can be formed in the side wall of the fixing sleeve 9 and the side wall of the fixing ring 6, and a lever is inserted into the groove, so that screwing can be more easily achieved.
As shown in fig. 2, the stretching device further comprises a sealing plate 11, the stretching rod 1 can movably penetrate through the sealing plate 11, and the end part of the screw rod 3 is rotatably arranged on the sealing plate 11.
As shown in fig. 2, the sealing plate 11 is provided with guide posts 12 in cooperation with the stretching plate 2, so that the stretching plate 2 operates more stably and smoothly.
The utility model discloses a theory of operation: the utility model discloses when processing abnormal shape plastic bottle, driving motor 4 drive screw 3 rotates, and extension board 2 goes up and down under screw rod 3's effect, when extension board 2 goes up, directly promotes solid fixed ring 6 through spring 5, thereby make extension pole 1 rise, form tensile to the plastic bottle body of processing, when extension pole 1 meets and hinders, spring 5 can compress, produces elasticity, if this elasticity equals driving motor 4 when settlement shut down resistance value, driving motor 4 brake is shut down, can prevent to appear bottoming or the phenomenon of hard drawing, can not damage extension pole 1 the utility model discloses during the shut down, under the effect of the solid fixed ring 6 of restriction and extension board 2 compression spring 5's supporting component, make spring 5 be in the release state, avoid spring 5 to be in under the compression state for a long time, improve spring 5's life, increase equipment life.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a be applied to long-life stretching device of heterotypic plastic bottle processing, includes tensile pole, tensile board, screw rod and is used for driving screw's driving motor, the screw rod run through tensile board and with tensile board threaded connection, its characterized in that: be provided with spring and solid fixed ring on the tensile pole, gu fixed ring and tensile pole threaded connection, the one end of spring is supported on the stretch board, and the other end of spring is supported on solid fixed ring, still including the supporting component who is used for restricting solid fixed ring and stretch board compression spring.
2. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 1, wherein: the supporting component of the limiting fixing ring and the stretching plate compression spring comprises a connecting arm and a supporting arm arranged on the connecting arm, and the connecting arm is in threaded connection with a stretching rod.
3. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 2, wherein: the fixing ring is positioned on the stretching rod and between the connecting arm and the stretching plate.
4. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 2, wherein: the number of the support arms is two, and the two support arms are respectively arranged at two ends of the connecting arm.
5. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 2, wherein: the fixing ring is provided with anti-slip lines convenient for screwing.
6. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 1, wherein: the supporting assembly for limiting the fixed ring and the stretching plate compression spring comprises a fixed sleeve and a boss arranged on the stretching plate, the fixed sleeve is sleeved on the stretching rod, and the fixed sleeve is in threaded connection with the boss.
7. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 6, wherein: the fixed sleeve is arranged on the stretching rod and between the fixed ring and the stretching plate.
8. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 6, wherein: the fixed sleeve is provided with anti-slip lines convenient for screwing.
9. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 1, wherein: the stretching rod can movably penetrate through the sealing plate, and the end part of the screw rod is rotatably arranged on the sealing plate.
10. The long-life stretching device applied to the processing of the special-shaped plastic bottles as claimed in claim 9, wherein: the sealing plate is provided with a guide post in cooperation with the stretching plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937945.1U CN215095538U (en) | 2021-05-06 | 2021-05-06 | Be applied to long-life stretching device of abnormal shape plastic bottle processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120937945.1U CN215095538U (en) | 2021-05-06 | 2021-05-06 | Be applied to long-life stretching device of abnormal shape plastic bottle processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215095538U true CN215095538U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120937945.1U Active CN215095538U (en) | 2021-05-06 | 2021-05-06 | Be applied to long-life stretching device of abnormal shape plastic bottle processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215095538U (en) |
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2021
- 2021-05-06 CN CN202120937945.1U patent/CN215095538U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A long-life stretching device applied to the processing of special-shaped plastic bottles Granted publication date: 20211210 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Cangzhou Weikang Foods & Pharmaceutical Packaging Co.,Ltd. Registration number: Y2024980006448 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |