CN203957399U - A kind of extruder prestressed frame - Google Patents

A kind of extruder prestressed frame Download PDF

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Publication number
CN203957399U
CN203957399U CN201420322741.7U CN201420322741U CN203957399U CN 203957399 U CN203957399 U CN 203957399U CN 201420322741 U CN201420322741 U CN 201420322741U CN 203957399 U CN203957399 U CN 203957399U
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CN
China
Prior art keywords
square column
column
rest
extruder
stay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420322741.7U
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Chinese (zh)
Inventor
王灿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIJIAZHUANG BAISHAN MACHINERY EQUIPMENT Co Ltd
Original Assignee
SHIJIAZHUANG BAISHAN MACHINERY EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHIJIAZHUANG BAISHAN MACHINERY EQUIPMENT Co Ltd filed Critical SHIJIAZHUANG BAISHAN MACHINERY EQUIPMENT Co Ltd
Priority to CN201420322741.7U priority Critical patent/CN203957399U/en
Application granted granted Critical
Publication of CN203957399U publication Critical patent/CN203957399U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model proposes a kind of extruder prestressed frame, comprising: front-axle beam, the back rest, square column and stay column, described square column is between described front-axle beam and the described back rest; Described stay column runs through in described square column, described front-axle beam and the described back rest, and described stay column two ends are provided with and are fixed mechanism; The quantity of described square column is 4, and the vertical direction limit of foursquare limit, described square column two ends and the described back rest is miter angle.The beneficial effects of the utility model are as follows: by pre-load nut being set and pretension bolt matches, without just making extruder framework realize pretension by other instruments, simple in structure, and easy accessibility, safe, with low cost; Square column is arranged to miter angle, makes the deformation direction of square column consistent with front and rear beam deformation direction, thereby make efficiently resistance to deformation of square column, improve the rigidity of general frame, improve the utilization ratio of square column material, in a disguised form cost-saving.

Description

A kind of extruder prestressed frame
Technical field
The utility model relates to extruder group frame technical field, refers to especially a kind of extruder prestressed frame.
Background technology
Extruder framework is one of important structure of an extruder unit, is the holding structure of other each parts, and it seals whole load of extruder wherein, forms a complete balanced system of force.Therefore, the intensity of extruder framework, rigidity and stability are the primary performance assessment criteria of an extruder unit of design.
In the outstanding representation aspect intensity, rigidity and stability, this technology is widely used based on extruder prestressed frame in extruder appts.The prestressed frame using at present domestic and international extruder unit is divided into two kinds, and one is T-shaped stacked plate type prestressed frame, and another kind is cylindrical nut type prestressed frame.All there is following shortcoming in above two kinds of prestressed frames: after assembling, need to carry out pretension to framework by special hydraulic tensioning device, but special hydraulic tensioning device design and manufacture cost is very high, and this hydraulic tensioning device only uses once in the time that extruder unit is installed, all the other times are on the shelf, more can not be used for miscellaneous equipment, cause cost high, serious waste of resources.
Utility model content
The utility model proposes a kind of extruder prestressed frame, solved in prior art extruder framework firmly beforehand means cost high, the problem that dismounting labour intensity is large.
The technical solution of the utility model is achieved in that
A kind of extruder prestressed frame, comprising: front-axle beam, the back rest, square column and stay column, and described square column is between described front-axle beam and the described back rest; Described stay column runs through in described square column, described front-axle beam and the described back rest, and described stay column two ends are provided with and are fixed mechanism; The quantity of described square column is 4, and the vertical direction limit of foursquare limit, described square column two ends and the described back rest is miter angle.
The described mechanism that is fixed comprises the round nut that is positioned at described stay column one end and the pre-load nut that is positioned at the described stay column other end; Described pre-load nut is provided with tapped through hole, in described tapped through hole, is provided with pretension bolt.
Described tapped through hole and pretension bolt are distributed on the periphery of described pre-load nut.
The two ends of described stay column are provided with external screw thread, and described round nut and described pre-load nut are threaded with described stay column respectively.
The quantity of described pretension bolt and tapped through hole is 20~30.
Operation principle of the present utility model is as follows:
Round nut, front-axle beam, square column, the back rest and pre-load nut are combined into an entirety by the stay column that runs through them, pretension bolt is arranged in the tapped through hole on pre-load nut, and contact with the back rest, after whole framework assembling, apply in an orderly manner even twisting moment by pretension bolt, just can on pre-load nut, collect larger tensile, finally make front-axle beam, square column and the back rest tightly be close together.
Now, square column is in compressive stress state, and the stay column that runs through square column center is in tensile stress state, thereby realize the prestressed frame structure in engineering, when the work of extruder unit, service load equals the pulling force sum that pressure that square column discharges and stay column increase, and so just makes the load fluctuation scope of stay column greatly dwindle, and has effectively improved the fatigue resistance of stay column.
In addition, because the vertical direction limit of foursquare limit, square column two ends and the back rest is miter angle, therefore the deformation direction of square column is consistent with the deformation direction of front-axle beam and the back rest, makes the material of square column fully for resisting the distortion of front-axle beam and the back rest, improves the rigidity of whole prestressed frame.
The beneficial effects of the utility model are:
By pre-load nut being set and pretension bolt matches, without just making extruder framework realize pretension by other instruments, simple in structure, easy accessibility, safe, with low cost;
Square column is arranged to miter angle, makes the deformation direction of square column consistent with front and rear beam deformation direction, thereby make efficiently resistance to deformation of square column, improve the rigidity of general frame, improve the utilization ratio of square column material, in a disguised form cost-saving.
Brief description of the drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of extruder prestressed frame described in the utility model;
Fig. 2 is the local structure for amplifying schematic diagram at I place in Fig. 1.
In figure:
1, round nut; 2, front-axle beam; 3, square column; 4, the back rest; 5, pre-load nut; 6, pretension bolt.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment is as depicted in figs. 1 and 2 known, and a kind of extruder prestressed frame described in the utility model, comprising: front-axle beam 2, the back rest 4, square column 3 and stay column, and square column 3 is between front-axle beam 2 and the back rest 4; Stay column runs through in square column 3, front-axle beam 2 and the back rest 4, and stay column two ends are provided with and are fixed mechanism; Be fixed mechanism and comprise the round nut 1 that is positioned at stay column one end and the pre-load nut 5 that is positioned at the stay column other end; Pre-load nut 5 is provided with tapped through hole, is provided with pretension bolt 6 in tapped through hole.
The quantity of square column 3 is 4, and the vertical direction limit of square column 3 foursquare limits, two ends and the back rest 4 is miter angle.
Described tapped through hole and pretension bolt 6 are distributed on the periphery of pre-load nut 5, and round nut 1 and pre-load nut 5 are threaded with stay column respectively; The quantity of pretension bolt 6 and tapped through hole is 20~30.
The operation principle of above-mentioned extruder prestressed frame is as follows:
Round nut 1, front-axle beam 2, square column 3, the back rest 4 and pre-load nut 5 are combined into an entirety by the stay column that runs through them, pretension bolt 6 is arranged in the tapped through hole on pre-load nut 5, and contact with the back rest 4, after whole framework assembling, apply in an orderly manner even twisting moment by pretension bolt 6, just can on pre-load nut 5, collect larger tensile, finally make front-axle beam 2, square column 3 and the back rest 4 tightly be close together.
Now, square column 3 is in compressive stress state, and the stay column that runs through square column 3 centers is in tensile stress state, thereby realize the prestressed frame structure in engineering, when the work of extruder unit, service load equals the pulling force sum that pressure that square column 3 discharges and stay column increase, and so just makes the load fluctuation scope of stay column greatly dwindle, and has effectively improved the fatigue resistance of stay column.
In addition, because the vertical direction limit of square column 3 foursquare limits, two ends and the back rest 4 is miter angle, therefore the deformation direction of square column 3 is consistent with the deformation direction of front-axle beam 2 and the back rest 4, makes the material of square column 3 fully for resisting the distortion of front-axle beam 2 and the back rest 4, improves the rigidity of whole prestressed frame.
In sum, the utility model is by pre-load nut being set and pretension bolt matches, without just making extruder framework realize pretension by other instruments, simple in structure, and easy accessibility is with low cost;
Square column is arranged to miter angle, makes the deformation direction of square column consistent with front and rear beam deformation direction, thereby make efficiently resistance to deformation of square column, improve the rigidity of general frame, improve the utilization ratio of square column material, in a disguised form cost-saving.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (5)

1. an extruder prestressed frame, it is characterized in that, comprise: front-axle beam (2), the back rest (4), square column (3) and stay column, described square column (3) is positioned between described front-axle beam (2) and the described back rest (4); Described stay column runs through in described square column (3), described front-axle beam (2) and the described back rest (4), and described stay column two ends are provided with and are fixed mechanism; The quantity of described square column (3) is 4, and the vertical direction limit of foursquare limit, described square column (3) two ends and the described back rest (4) is miter angle.
2. a kind of extruder prestressed frame according to claim 1, is characterized in that, described in be fixed mechanism and comprise the round nut (1) that is positioned at described stay column one end and the pre-load nut (5) that is positioned at the described stay column other end; Described pre-load nut (5) is provided with tapped through hole, is provided with pretension bolt (6) in described tapped through hole.
3. a kind of extruder prestressed frame according to claim 2, is characterized in that, described tapped through hole and pretension bolt (6) are distributed on the periphery of described pre-load nut (5).
4. a kind of extruder prestressed frame according to claim 2, is characterized in that, the two ends of described stay column are provided with external screw thread, and described round nut (1) and described pre-load nut (5) are threaded with described stay column respectively.
5. a kind of extruder prestressed frame according to claim 3, is characterized in that, the quantity of described pretension bolt (6) and tapped through hole is 20~30.
CN201420322741.7U 2014-06-17 2014-06-17 A kind of extruder prestressed frame Expired - Fee Related CN203957399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420322741.7U CN203957399U (en) 2014-06-17 2014-06-17 A kind of extruder prestressed frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420322741.7U CN203957399U (en) 2014-06-17 2014-06-17 A kind of extruder prestressed frame

Publications (1)

Publication Number Publication Date
CN203957399U true CN203957399U (en) 2014-11-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105015018A (en) * 2015-07-23 2015-11-04 天津市天锻压力机有限公司 High-speed connecting-rod press with integrated strut
CN106475509A (en) * 2016-12-05 2017-03-08 重集团大连设计研究院有限公司 A kind of large-scale combined hydraulic press frame structure for being capable of constantly pretension
CN111167990A (en) * 2018-11-09 2020-05-19 金丰机器工业股份有限公司 Releasing prestress structure of forging machine
CN111167990B (en) * 2018-11-09 2021-06-01 金丰机器工业股份有限公司 Releasing prestress structure of forging machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105015018A (en) * 2015-07-23 2015-11-04 天津市天锻压力机有限公司 High-speed connecting-rod press with integrated strut
CN106475509A (en) * 2016-12-05 2017-03-08 重集团大连设计研究院有限公司 A kind of large-scale combined hydraulic press frame structure for being capable of constantly pretension
CN111167990A (en) * 2018-11-09 2020-05-19 金丰机器工业股份有限公司 Releasing prestress structure of forging machine
CN111167990B (en) * 2018-11-09 2021-06-01 金丰机器工业股份有限公司 Releasing prestress structure of forging machine

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141126

Termination date: 20160617

CF01 Termination of patent right due to non-payment of annual fee