CN204523821U - A kind of expansion cushion fixed extrusion pillow of the extrusion machine - Google Patents
A kind of expansion cushion fixed extrusion pillow of the extrusion machine Download PDFInfo
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- CN204523821U CN204523821U CN201420493108.4U CN201420493108U CN204523821U CN 204523821 U CN204523821 U CN 204523821U CN 201420493108 U CN201420493108 U CN 201420493108U CN 204523821 U CN204523821 U CN 204523821U
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- dummy block
- hole
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- axial
- extrusion
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Abstract
The utility model discloses a kind of expansion cushion fixed extrusion pillow of the extrusion machine, comprise pressure ram and the dummy block inner core being installed on pressure ram front end, pressure ram comprises piston rod and axial stem, the middle part of piston rod has middle through-hole, middle through-hole comprises middle part axial hole and base apertures, base apertures is in the bottom of middle part axial hole, the diameter of base apertures is greater than the diameter of middle part axial hole, the top of axial stem has the section of being spirally connected, the top of axial stem has bottom stiff end, on the end face of bottom stiff end sleeve in base apertures and in the middle part of being pressed against between axial hole and base apertures, axial stem sleeve is in the axial hole of middle part, the section of being spirally connected stretches out the top of piston rod and in the middle part screw of dummy block overcoat that has of the top being screwed onto piston rod, dummy block inner core is provided with in dummy block overcoat.It passes through sleeve axial stem in piston rod, and dummy block overcoat that the top of axial stem is spirally connected, dummy block inner core is set in dummy block overcoat, all parts all can be dismantled, reduce maintenance cost.
Description
Technical field:
The utility model relates to extruder technical field, relates to a kind of expansion cushion fixed extrusion pillow of the extrusion machine in particular.
Background technology:
Along with improving constantly of extruder automatization level, as the vitals that extruder runs automatically, the application of fixation extrusion pad is also more and more extensive, the pressure ram that traditional extruder is connected and fixed dummy block mostly is integrative-structure, like this once pressure ram goes wrong, whole pressure ram will be changed, and because traditional pressure ram to be connected and fixed the structure of dummy block comparatively complicated, dismantle also very inconvenient.
Obviously, there is the high shortcoming of complex structure, dismounting inconvenience and production cost in the fixation extrusion pad of traditional extruder.
And in order to head it off, China Patent No. is that the fixation extrusion pad of a kind of extruder of 201210264464.4 solves this problem, it adopts pressure ram body and connects block and be connected, make to connect block or dummy block damage after without the need to whole replacing, reduce maintenance cost, but, it adopts and is threaded, and still easily makes to connect block and the damage of pressure ram body, and effect is unsatisfactory, and its dummy block adopted is hard material, easy fracture damage.
Utility model content:
The purpose of this utility model overcomes the deficiencies in the prior art, a kind of expansion cushion fixed extrusion pillow of the extrusion machine is provided, it passes through sleeve axial stem in piston rod, and dummy block overcoat that the top of axial stem is spirally connected, dummy block inner core is set in dummy block overcoat, all parts all can be dismantled, all parts all can carry out fractionation and change, improve maintenance efficiency, meanwhile, reduce maintenance cost.
The scheme that the utility model solve the technical problem is:
A kind of expansion cushion fixed extrusion pillow of the extrusion machine, comprise pressure ram and the dummy block inner core being installed on pressure ram front end, described pressure ram comprises piston rod and axial stem, the middle part of piston rod has middle through-hole, middle through-hole comprises middle part axial hole and base apertures, base apertures is in the bottom of middle part axial hole, the diameter of base apertures is greater than the diameter of middle part axial hole, the top of axial stem has the section of being spirally connected, the bottom of axial stem has bottom stiff end, on the end face of bottom stiff end sleeve in base apertures and in the middle part of being pressed against between axial hole and base apertures, axial stem sleeve is in the axial hole of middle part, the section of being spirally connected stretches out the top of piston rod and in the middle part screw of dummy block overcoat that has of the top being screwed onto piston rod, dummy block inner core is provided with in dummy block overcoat.
The middle part of described dummy block overcoat has ladder centre bore, ladder centre bore comprises the first ladder section and second-order bench, there is in the middle part of the inwall of second-order bench radial limit convex looping, dummy block inner core comprises first end and the second end, first end is nested in the first ladder section, the second end sleeve is in second-order bench, the second end is bolted with hold-down nut, hold-down nut sleeve is in second-order bench and be pressed against on the end face of radial limit convex looping, and middle part screw is in the below of hold-down nut.
Described dummy block overcoat has radial venthole, and rod radial air vent is connected with the cavity between second-order bench and middle part screw.
The outer wall of described dummy block overcoat has upper groove, and the top outer wall of piston rod has low groove, and upper groove and low groove are corresponding up and down.
Key sleeve is in upper groove and low groove and be bolted to connection on the bottom surface of upper groove and low groove.
Along second-order bench around forming multiple vertical through hole on the bottom face of described first ladder section.
Described radial venthole communicates with vertical through hole.
Outstanding effect of the present utility model is:
Compared with prior art, it passes through sleeve axial stem in piston rod, and dummy block overcoat that the top of axial stem is spirally connected, dummy block inner core is set in dummy block overcoat, all parts all can be dismantled, and all parts all can carry out fractionation and change, and improves maintenance efficiency, meanwhile, maintenance cost is reduced.
Accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1.
Detailed description of the invention:
Embodiment, see as shown in Fig. 1 to 2, a kind of expansion cushion fixed extrusion pillow of the extrusion machine, comprise pressure ram 1 and the dummy block inner core 4 being installed on pressure ram 1 front end, described pressure ram 1 comprises piston rod 11 and axial stem 12, the middle part of piston rod 11 has middle through-hole 111, middle through-hole 111 comprises middle part axial hole 112 and base apertures 113, base apertures 113 is in the bottom of middle part axial hole 112, the diameter of base apertures 113 is greater than the diameter of middle part axial hole 112, the top of axial stem 12 has the section of being spirally connected 121, the bottom of axial stem 12 has bottom stiff end 122, on the end face of bottom stiff end 122 sleeve in base apertures 113 and in the middle part of being pressed against between axial hole 112 and base apertures 113, axial stem 12 sleeve is in middle part axial hole 112, the section of being spirally connected 121 stretches out the top of piston rod 11 and in the middle part screw 32 of dummy block overcoat 3 that has of the top being screwed onto piston rod 11, dummy block inner core 4 is provided with in dummy block overcoat 3.
The middle part of described dummy block overcoat 3 has ladder centre bore 31, ladder centre bore 31 comprises the first ladder section 311 and second-order bench 312, there is in the middle part of the inwall of second-order bench 312 radial limit convex looping 313, dummy block inner core 4 comprises first end 41 and the second end 42, first end 41 is nested in the first ladder section 311, the second end 42 sleeve is in second-order bench 312, the second end 42 is bolted with hold-down nut 5, hold-down nut 5 sleeve is in second-order bench 312 and be pressed against on the end face of radial limit convex looping 313, middle part screw 32 is in the below of hold-down nut 5.
Described dummy block overcoat 3 has radial venthole 33, and rod radial air vent 33 is connected with the cavity between second-order bench 312 and middle part screw 32.
The outer wall of described dummy block overcoat 3 has upper groove 123, and the top outer wall of piston rod 11 has low groove 112, upper groove 123 and low groove about 112 correspondence.
Key 6 sleeve is in upper groove 123 and low groove 112 and be bolted to connection on the bottom surface of upper groove 123 and low groove 112.
Along second-order bench 312 around forming multiple vertical through hole 314 on the bottom face of described first ladder section 311.
Described radial venthole 33 communicates with vertical through hole 314.
In use, it is by rotating axial stem 12, dummy block overcoat 3 can be separated with piston rod 11, piston rod 11 and axial stem 12 can directly be dismantled meanwhile, namely namely separable by axial stem 12 is extracted from piston rod 11, then by rotating hold-down nut 5, dummy block inner core 4 can be separated with dummy block overcoat 3, thus can change separately, it makes only to need to carry out changing this during any one device damage in this whole equipment and establishes part, very convenient.
And dummy block inner core 4 comprises first end 41 and the second end 42, first end 41 is nested in the first ladder section 311, the second end 42 sleeve is in second-order bench 312, the second end 42 is bolted with hold-down nut 5, hold-down nut 5 sleeve is in second-order bench 312 and be pressed against on the end face of radial limit convex looping 313.Hold-down nut 5 has cavity with the bottom surface of the central pit hole 121 of adapter sleeve 12, described dummy block overcoat 3 has radial venthole 33, rod radial air vent 33 is connected with the cavity between second-order bench 312 and middle part screw 32, along second-order bench 312 around forming multiple vertical through hole 314 on the bottom face of the first ladder section 311, radial venthole 33 communicates with vertical through hole 314, when can ensure extruding like this, the air in the gap between dummy block inner core 5 and ladder centre bore 31 can be discharged from radial venthole 33, there is buffering effect, ensure that and can not damage between crowded dummy block overcoat 3 and piston rod 11.
Simultaneously, the outer wall of first end 41 is tapered wall, and the inwall of the first ladder section 311 is also tapered wall, first end 41 matches with the first ladder section 311, simultaneously, ensure, between the bottom surface of first end 41 and the end face of the first ladder section 311, there is space D, thus make first end 41 to having certain buffering effect when pressing down.
Above embodiment is only for illustration of the utility model; and be not limitation of the utility model; the those of ordinary skill of relevant technical field; when not departing from spirit and scope of the present utility model; can also make a variety of changes and modification; therefore all equivalent technical schemes also belong to category of the present utility model, and scope of patent protection of the present utility model should be defined by the claims.
Claims (7)
1. an expansion cushion fixed extrusion pillow of the extrusion machine, comprise pressure ram (1) and be installed on the dummy block inner core (4) of pressure ram (1) front end, it is characterized in that: described pressure ram (1) comprises piston rod (11) and axial stem (12), the middle part of piston rod (11) has middle through-hole (111), middle through-hole (111) comprises middle part axial hole (112) and base apertures (113), base apertures (113) is in the bottom of middle part axial hole (112), the diameter of base apertures (113) is greater than the diameter at middle part axial hole (112), the top of axial stem (12) has the section of being spirally connected (121), the bottom of axial stem (12) has bottom stiff end (122), on the end face of bottom stiff end (122) sleeve in base apertures (113) and in the middle part of being pressed against between axial hole (112) and base apertures (113), axial stem (12) sleeve is in middle part axial hole (112), the section of being spirally connected (121) stretches out the top of piston rod (11) and in the middle part screw (32) of dummy block overcoat (3) that has of the top being screwed onto piston rod (11), dummy block inner core (4) is provided with in dummy block overcoat (3).
2. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 1, it is characterized in that: the middle part of described dummy block overcoat (3) has ladder centre bore (31), ladder centre bore (31) comprises the first ladder section (311) and second-order bench (312), there is in the middle part of the inwall of second-order bench (312) radial limit convex looping (313), dummy block inner core (4) comprises first end (41) and the second end (42), first end (41) is nested in the first ladder section (311), the second end (42) sleeve is in second-order bench (312), the second end (42) is bolted with hold-down nut (5), hold-down nut (5) sleeve is in second-order bench (312) and be pressed against on the end face of radial limit convex looping (313), middle part screw (32) is in the below of hold-down nut (5).
3. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 2, it is characterized in that: described dummy block overcoat (3) has radial venthole (33), and rod radial air vent (33) is connected with the cavity between second-order bench (312) and middle part screw (32).
4. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 1, it is characterized in that: the outer wall of described dummy block overcoat (3) has upper groove (123), the top outer wall of piston rod (11) has low groove (112), and upper groove (123) and low groove (112) are corresponding up and down.
5. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 4, is characterized in that: key (6) sleeve is in upper groove (123) and low groove (112) and be bolted to connection on the bottom surface of upper groove (123) and low groove (112).
6. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 3, is characterized in that: along second-order bench (312) around forming multiple vertical through hole (314) on the bottom face of described first ladder section (311).
7. a kind of expansion cushion fixed extrusion pillow of the extrusion machine according to claim 6, is characterized in that: described radial venthole (33) communicates with vertical through hole (314).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493108.4U CN204523821U (en) | 2014-08-28 | 2014-08-28 | A kind of expansion cushion fixed extrusion pillow of the extrusion machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420493108.4U CN204523821U (en) | 2014-08-28 | 2014-08-28 | A kind of expansion cushion fixed extrusion pillow of the extrusion machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204523821U true CN204523821U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420493108.4U Expired - Fee Related CN204523821U (en) | 2014-08-28 | 2014-08-28 | A kind of expansion cushion fixed extrusion pillow of the extrusion machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204523821U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262545A (en) * | 2017-08-08 | 2017-10-20 | 江苏亚太轻合金科技股份有限公司 | Double floating elastic fixation extrusion pads |
| CN113290070A (en) * | 2021-05-14 | 2021-08-24 | 中国重型机械研究院股份公司 | Elastic fixing extrusion pad for aluminum extruder |
-
2014
- 2014-08-28 CN CN201420493108.4U patent/CN204523821U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107262545A (en) * | 2017-08-08 | 2017-10-20 | 江苏亚太轻合金科技股份有限公司 | Double floating elastic fixation extrusion pads |
| CN113290070A (en) * | 2021-05-14 | 2021-08-24 | 中国重型机械研究院股份公司 | Elastic fixing extrusion pad for aluminum extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20210828 |
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| CF01 | Termination of patent right due to non-payment of annual fee |