CN103560628B - A kind of expander device - Google Patents
A kind of expander device Download PDFInfo
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- CN103560628B CN103560628B CN201310600949.0A CN201310600949A CN103560628B CN 103560628 B CN103560628 B CN 103560628B CN 201310600949 A CN201310600949 A CN 201310600949A CN 103560628 B CN103560628 B CN 103560628B
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- expander device
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Abstract
The invention provides a kind of expander device, comprise expander main body and distortion thin-wall sleeve, the inner chamber holding plastics is provided with between described expander main body and described distortion thin-wall sleeve, the side of described expander main body is provided with the steam vent with described intracavity inter-connection, its opposite side is provided with the entrance with described intracavity inter-connection, described entrance is provided with the installation sleeve of tool axially extending bore, and described installation sleeve inserts described entrance vertically; The axially extending bore of described installation sleeve has near the inner segment through hole of described inner chamber and the outer section through hole away from described inner chamber vertically, be provided with in described inner segment through hole and can execute stressed pressure to described plastics to rise element along the axial motion of described inner segment through hole, described pressure rises between element and described inner segment through hole and is tightly connected; Be provided with in described outer section of through hole and the described pressure element that rises executed and stressedly supported element, described in support element and be connected with described outer section of through hole whorl.Expander device of the present invention can prevent plastics from spilling, and works more stable.
Description
Technical field
The present invention relates to a kind of iron core expander device, especially a kind of expander device for machining electric machine rotor iron core cylindrical.
Background technology
For needing the motor adopting excircle orientation, the precision of cylindrical has higher requirements.Because the iron core of motor is made up after laminating after processing of silicon steel sheet, and the inner circle of motor iron-core does not allow processing, and thus clamping iron core is a crucial technique in refrigeration motor production work.In prior art, in order to ensure the machining accuracy of iron core cylindrical, the general expander device adopting the semi-solid gluey plastics of inner chamber filling, a kind of iron core expander device disclosed in Chinese patent CN202931132U.But the expander device of prior art, direct employing screw rod is connected to the entrance that inner chamber is in communication with the outside, by tightening or loosening screw rod, plastics are restored by compression swelling or pressure release, in use procedure, gluey plastics product can spill along with the screw thread between screw rod and entrance, time has been grown and has just easily caused the bulbs of pressure not enough, and the clamping force of expander device declines.In addition, the expander device of prior art, when filling plastics, plastics after hot melt are directly poured into from entrance, air can be sucked from entrance again because plastics are cooled to semi-solid gluey generation contraction after filling, produce empty in making plastics interior, have impact on the use of expander device.
Summary of the invention
In order to overcome the defect of prior art, the object of this invention is to provide a kind ofly avoid plastics to spill, work more reliable and more stable expander device.
For achieving the above object, the invention provides a kind of expander device, comprise expander main body and distortion thin-wall sleeve, the inner chamber holding plastics is provided with between described expander main body and described distortion thin-wall sleeve, the side of described expander main body is provided with the steam vent with described intracavity inter-connection, its opposite side is provided with the entrance with described intracavity inter-connection, it is characterized in that: described entrance is provided with the installation sleeve of tool axially extending bore, and described installation sleeve inserts described entrance vertically; The axially extending bore of described installation sleeve has near the inner segment through hole of described inner chamber and the outer section through hole away from described inner chamber vertically, be provided with in described inner segment through hole and can execute stressed pressure to described plastics to rise element along the axial motion of described inner segment through hole, described pressure rises between element and described inner segment through hole and is tightly connected; Be provided with in described outer section of through hole and the described pressure element that rises executed and stressedly supported element, described in support element and be connected with described outer section of through hole whorl.
Preferably, the internal diameter of described inner segment through hole is less than the internal diameter of described outer section of through hole, and the junction of described inner segment through hole and described outer section of through hole has a step surface.
More preferably, the described pressure element that rises has sliding part and limiting section, and described sliding part can be inserted in described inner segment through hole with sliding axially, and described limiting section matches to limit described pressure and to rise the distance that element inwardly slides vertically with described step surface.
Further, the axial length of described sliding part is greater than the axial length of described inner segment through hole.
Preferably, described element of supporting is bolt, it has the countersunk head be exposed at outside described installation sleeve and the screw rod be connected with described outer section of through hole whorl, and the axial length of described screw rod is greater than the axial length of described outer section of through hole, and the diameter of described countersunk head is greater than the internal diameter of described outer section of through hole.
In one embodiment, good in order to ensure encapsulating, avoid glue to cool and suck air, described expander device also comprises encapsulating head, and described encapsulating head axially has soaking zone and linkage section from top to bottom successively along self; Described linkage section has the hole for injecting glue run through up and down, and the periphery of described linkage section has the external screw thread be connected with the outer section through hole whorl of described installation sleeve; Be provided with the glue cavity volume be connected with described hole for injecting glue in described soaking zone, the periphery of described glue cavity volume is provided with heat preservation sandwich layer.
Preferably, described glue cavity volume is funnel-form, and its cross-sectional area is from top to bottom by large gradually little.
In one embodiment, described glue cavity volume is conical.
Wherein, be provided with heater in described heat preservation sandwich layer, described heater can be electric heater unit.
Compared to prior art, expander device of the present invention has the following advantages: by supporting element to the counter-active effect of pressing the element that rises, make pressure rise elements relative installation sleeve slide axially thus to plastics apply pressure, distortion thin-wall sleeve is expanded, due to pressure rise element and installation sleeve inner segment through hole between for being tightly connected, plastics can not spill from inner chamber, guarantee expander device working stability; By the encapsulating head with glue cavity volume, the plastics glue of hot melt is poured in inner chamber, plastics in glue cavity volume guarantee to have good mobility by heat preservation sandwich layer insulation, even if inner chamber plastics cooling meat after filling, glue in glue cavity volume flows into inner chamber from entrance under gravity and supplements in time, prevent air from entering inner chamber, ensure that expander device injecting glue is good.
Accompanying drawing explanation
Fig. 1 is the structural representation of expander device of the present invention.
Fig. 2 is the A portion enlarged drawing in Fig. 1.
Fig. 3 is the structural representation of the encapsulating head of expander device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Refer to Fig. 1 and Fig. 2, the invention provides a kind of expander device, comprise expander main body 1 and distortion thin-wall sleeve 2, the inner chamber holding plastics 3 is provided with between described expander main body 1 and described distortion thin-wall sleeve 2, the side of expander main body 1 is provided with the steam vent 4 with described intracavity inter-connection, its opposite side is provided with the entrance with described intracavity inter-connection, and described entrance is provided with the installation sleeve 5 of tool axially extending bore, and installation sleeve 5 inserts described entrance vertically.The axially extending bore of installation sleeve 5 has near the inner segment through hole 51 of described inner chamber and the outer section through hole 52 away from described inner chamber vertically, be provided with in inner segment through hole 51 and can execute stressed pressure to plastics 3 to rise element 6 along the axial motion of described inner segment through hole 51, pressure rises between element 6 and inner segment through hole 51 and is tightly connected.Be provided with in outer section of through hole 52 and the pressure element 6 that rises is executed and stressedly supported element 7, support element 7 and be threaded with outer section of through hole 52.
In the present embodiment, conveniently install, the internal diameter of inner segment through hole 51 is less than the internal diameter of outer section of through hole 52, and inner segment through hole 51 has a step surface 53 with the junction of outer section of through hole 52.
In the present embodiment, the described pressure element 6 that rises is a sliding plug, there is sliding part 61 and limiting section 62, described sliding part 61 can be inserted in inner segment through hole 51 with sliding axially, limiting section 62 matches with step surface 53 distance of inwardly sliding vertically with limit slippage plug 61, prevents from pressure from rising after element 6 enters inner chamber completely cannot exit.Further, the axial length of sliding part 61 is greater than the axial length of inner segment through hole 51.Described element 7 of supporting is for bolt, and it has the countersunk head 71 be exposed at outside described installation sleeve and the screw rod 72 be threaded with outer section of through hole 52, and the axial length of screw rod 72 is greater than the axial length of outer section of through hole 52, and the diameter of countersunk head 71 is greater than the internal diameter of outer section of through hole 52.
When adopting expander device clamping electric machine iron core of the present invention, expander device is laterally placed, electric machine iron core is sleeved on distortion thin-wall sleeve 2, then tighten and to support in element 7(the present embodiment i.e. bolt), support element 7 to support pressure and to rise in element 6(the present embodiment i.e. sliding plug), sliding plug slides axially to the plastics in inner chamber and applies pressure, and distortion thin-wall sleeve 2 expands thus accurately fixed firmly by electric machine iron core under the compressing of plastics.Unclamp after supporting element 7, distortion thin-wall sleeve 2 restores, and electric machine iron core can take off.
Refer to Fig. 2, good in order to ensure encapsulating, avoid glue to cool and suck air, described expander device also comprises encapsulating head 8, and encapsulating head 8 axially has soaking zone 81 and linkage section 82 from top to bottom successively along self.Linkage section 82 has the hole for injecting glue 83 run through up and down, and the periphery of linkage section 82 has the external screw thread be threaded with the outer section through hole 52 of installation sleeve 5.Be provided with the glue cavity volume 84 be connected with hole for injecting glue 83 in soaking zone 81, the periphery of glue cavity volume 84 is provided with heat preservation sandwich layer 85.Wherein, glue cavity volume 84 is funnel-form, and its cross-sectional area is from top to bottom by large gradually little.In the present embodiment, glue cavity volume 84 is conical, also can be other shapes such as pyramid, hemisphere, half rugby shape in other embodiments.Described heat preservation sandwich layer 85 for the insulation packing material preventing heat losses too fast, or can be provided with heater in heat preservation sandwich layer 85, and heater can be electric heater unit.During encapsulating, above-mentioned expander device entrance is placed upward, the linkage section 82 of encapsulating head 8 is threaded with installation sleeve 5.Poured into by glue during injecting glue in the glue cavity volume 84 of encapsulating head 8, glue then can flow under the influence of gravity in expander.
Above-described embodiment is only for illustrating technical conceive of the present invention and feature; its object is to person skilled in the art can be understood content of the present invention and implement according to this; can not limit the scope of the invention with this; all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. an expander device, comprise expander main body and distortion thin-wall sleeve, the inner chamber holding plastics is provided with between described expander main body and described distortion thin-wall sleeve, the side of described expander main body is provided with the steam vent with described intracavity inter-connection, its opposite side is provided with the entrance with described intracavity inter-connection, it is characterized in that: described entrance is provided with the installation sleeve of tool axially extending bore, described installation sleeve inserts described entrance vertically; The axially extending bore of described installation sleeve has near the inner segment through hole of described inner chamber and the outer section through hole away from described inner chamber vertically, be provided with in described inner segment through hole and can execute stressed pressure to described plastics to rise element along the axial motion of described inner segment through hole, described pressure rises between element and described inner segment through hole and is tightly connected; Be provided with in described outer section of through hole and the described pressure element that rises executed and stressedly supported element, described in support element and be connected with described outer section of through hole whorl;
The internal diameter of described inner segment through hole is less than the internal diameter of described outer section of through hole, and the junction of described inner segment through hole and described outer section of through hole has a step surface; The described pressure element that rises has sliding part and limiting section, and described sliding part can be inserted in described inner segment through hole with sliding axially, and described limiting section matches to limit described pressure and to rise the distance that element inwardly slides vertically with described step surface; The axial length of described sliding part is greater than the axial length of described inner segment through hole.
2. a kind of expander device according to claim 1, it is characterized in that: described in support element be bolt, it has the countersunk head be exposed at outside described installation sleeve and the screw rod be connected with described outer section of through hole whorl, the axial length of described screw rod is greater than the axial length of described outer section of through hole, and the diameter of described countersunk head is greater than the internal diameter of described outer section of through hole.
3. a kind of expander device according to claim 1 and 2, is characterized in that: described expander device also comprises encapsulating head, and described encapsulating head axially has soaking zone and linkage section from top to bottom successively along self; Described linkage section has the hole for injecting glue run through up and down, and the periphery of described linkage section has the external screw thread be connected with the outer section through hole whorl of described installation sleeve; Be provided with the glue cavity volume be connected with described hole for injecting glue in described soaking zone, the periphery of described glue cavity volume is provided with heat preservation sandwich layer.
4. a kind of expander device according to claim 3, is characterized in that: described glue cavity volume is funnel-form, and its cross-sectional area is from top to bottom by large gradually little.
5. a kind of expander device according to claim 4, is characterized in that: described glue cavity volume is for conical.
6. a kind of expander device according to claim 3, is characterized in that: be provided with heater in described heat preservation sandwich layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600949.0A CN103560628B (en) | 2013-11-25 | 2013-11-25 | A kind of expander device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310600949.0A CN103560628B (en) | 2013-11-25 | 2013-11-25 | A kind of expander device |
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| Publication Number | Publication Date |
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| CN103560628A CN103560628A (en) | 2014-02-05 |
| CN103560628B true CN103560628B (en) | 2016-04-13 |
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| CN201310600949.0A Active CN103560628B (en) | 2013-11-25 | 2013-11-25 | A kind of expander device |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316692A (en) * | 1978-07-21 | 1982-02-23 | Siemens Aktiengesellschaft | Spreading device for lamination stacks |
| CN201438662U (en) * | 2009-05-08 | 2010-04-14 | 北京毕捷电机股份有限公司 | Tire expanding device |
| CN201928163U (en) * | 2011-03-09 | 2011-08-10 | 朱明初 | Stator iron core press mounting device |
| CN202555032U (en) * | 2012-01-16 | 2012-11-28 | 北京农学院 | Funnel for filtering paraffin wax |
| CN202721571U (en) * | 2012-07-27 | 2013-02-06 | 诸暨众兴源电机科技有限公司 | Novel inner hole expander for rotor rough turning |
| CN202931132U (en) * | 2012-11-07 | 2013-05-08 | 珠海格力电器股份有限公司 | Iron core tire expansion device |
| CN203589952U (en) * | 2013-11-25 | 2014-05-07 | 苏州贝得科技有限公司 | Tyre-expansion apparatus |
-
2013
- 2013-11-25 CN CN201310600949.0A patent/CN103560628B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316692A (en) * | 1978-07-21 | 1982-02-23 | Siemens Aktiengesellschaft | Spreading device for lamination stacks |
| CN201438662U (en) * | 2009-05-08 | 2010-04-14 | 北京毕捷电机股份有限公司 | Tire expanding device |
| CN201928163U (en) * | 2011-03-09 | 2011-08-10 | 朱明初 | Stator iron core press mounting device |
| CN202555032U (en) * | 2012-01-16 | 2012-11-28 | 北京农学院 | Funnel for filtering paraffin wax |
| CN202721571U (en) * | 2012-07-27 | 2013-02-06 | 诸暨众兴源电机科技有限公司 | Novel inner hole expander for rotor rough turning |
| CN202931132U (en) * | 2012-11-07 | 2013-05-08 | 珠海格力电器股份有限公司 | Iron core tire expansion device |
| CN203589952U (en) * | 2013-11-25 | 2014-05-07 | 苏州贝得科技有限公司 | Tyre-expansion apparatus |
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| Publication number | Publication date |
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| CN103560628A (en) | 2014-02-05 |
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