CN205496276U - Hydraulic motor drive's integral flat wedge cross rolling - Google Patents
Hydraulic motor drive's integral flat wedge cross rolling Download PDFInfo
- Publication number
- CN205496276U CN205496276U CN201620293523.4U CN201620293523U CN205496276U CN 205496276 U CN205496276 U CN 205496276U CN 201620293523 U CN201620293523 U CN 201620293523U CN 205496276 U CN205496276 U CN 205496276U
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- China
- Prior art keywords
- hydraulic motor
- driving frame
- bolt
- erection support
- roll system
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Abstract
The utility model discloses a hydraulic motor drive's integral flat wedge cross rolling, including work frame and transmission frame, work is provided with in the frame rolls roller system and rolls roller system under with, characteristics are provided with hydraulic motor and lower hydraulic motor in the transmission frame, go up hydraulic motor and pass through shaft coupling and the coaxial fixed connection of top tread roller, hydraulic motor passes through shaft coupling and the coaxial fixed connection of bottom roll down, be provided with in the transmission frame and be used for the regulation to go up the hydraulic motor upper and lower adjustment mechanism of position from top to bottom, it rolls on and is provided with displacement synchronous detection system between the roller system to go up hydraulic motor, the advantage makes the rotational speed of upper and lower roll can realize stepless speed control, and the moment of torsion is big, can realize the motion of low -speed large -tonnage for the motion of rolling roller system is evenly stable, and owing to hydraulic motor fixes through shaft coupling and the upper and lower roller system coaxial coupling that rolls respectively, shortened flat wedge cross rolling's transverse dimension greatly, and reduced occupation space, improved space utilization.
Description
Technical field
This utility model relates to the cross wedge rolling machine of working shaft-like part, particularly relates to the monoblock type cross wedge rolling machine of a kind of fluid motor-driven.
Background technology
Cross wedge rolling is the shaft forgings forming technique of a kind of efficient material-saving, and it is greatly improved with traditional cutting combination property of stock utilization, material-saving rate and part compared with forging, and production cost averagely declines about 30% simultaneously.But power and moment of torsion are the most all passed to upper and lower roll by the mechanical transmission mechanism such as motor and change speed gear box by existing cross wedge rolling machine, on the basis of not increasing change speed gear box, it is difficult to the speed governing speed change for different rolling requirements；And owing to the operation of rolling of cross wedge rolling belongs to the plastic deformation of metal, required roll-force requires relatively big, and has certain run-out error requirement during rolling, and it is uniform and stable that current mechanical transmission mechanism is difficult to ensure that in the operation of rolling roll moves.Additionally, current cross wedge rolling machine is much split type, will rolling mechanism and drive mechanism is arranged apart and is coupled by Hooks coupling universal coupling, its area occupied is relatively big, and space availability ratio is relatively low, and use occasion is also subject to certain restrictions.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of when Regularity of Workpiece of Cross Wedge Rolling, roll motion homogeneous can be made stable and can realize the monoblock type cross wedge rolling machine of fluid motor-driven of stepless speed regulation.
nullThe technical scheme that the above-mentioned technical problem of this utility model solution is used is: the monoblock type cross wedge rolling machine of a kind of fluid motor-driven，Including work housing and driving frame，Topping roll system and bottom roll system it is provided with on described work housing，It is fixedly installed on described work housing for regulation、The press down system of bottom roll system spacing，Hydraulic motor and lower hydraulic motor it is provided with on described driving frame，Described upper hydraulic motor is connected with power source by synchronous valve respectively with described lower hydraulic motor，The output shaft of described upper hydraulic motor is fixedly and coaxially connected with the topping roll in described topping roll system by shaft coupling，The output shaft of described lower hydraulic motor is fixedly and coaxially connected with the bottom roll in described bottom roll system by shaft coupling，Described lower hydraulic motor is fixedly mounted on described driving frame，The up-down adjustment mechanism for regulating described upper hydraulic motor upper-lower position it is provided with on described driving frame，It is provided with displacement synchronous detecting system between described upper hydraulic motor and described topping roll system.
It is provided with erection support on described driving frame, described erection support slides up and down with described driving frame and coordinates, described upper hydraulic motor is fixedly mounted on described erection support, and described up-down adjustment mechanism includes the moving drive mechanism for driving described erection support to move up and down and for supporting the support fixed mechanism of fixing described erection support；Can play erection support support fixing effect by supporting fixed mechanism, decrease that hydraulic motor operationally produces rocks, it is ensured that the precision of Regularity of Workpiece of Cross Wedge Rolling, also improves the service life of hydraulic motor.
Described moving drive mechanism includes that hydraulic cylinder, described hydraulic cylinder are vertically fixed on described driving frame, and the piston rod of described hydraulic cylinder is fixing with described erection support to be connected.
nullDescribed support fixed mechanism includes voussoir、Lower wedge block and fixed plate，Described lower wedge block is fixedly installed on described driving frame，Described upper voussoir is positioned at the lower section of described erection support and contacts with the lower surface of described erection support，The inclined-plane of described upper voussoir matches with the inclined-plane of described lower wedge block，The two ends of described upper voussoir are bolted with the first bolt and the second bolt respectively，The first described bolt is oppositely arranged with the second described bolt，The end of the first described bolt is against on the side of described driving frame，The end of the second described bolt is against on the opposite side of described driving frame，The first bolt described in rotation or the second described bolt drive described in upper voussoir on move or move down，Described fixed plate is fixedly mounted on described driving frame，It is provided with adjustment hole in described fixed plate，It is bolted with fixing bolt on described upper voussoir，Described fixing bolt through described adjustment hole and is fixed by double nut；When upper adjustment of wedge puts in place and contacts with erection support, by the fixing upper voussoir of fixing bolt, prevent voussoir from producing and rock or loosen, to ensure the support fixation to erection support.
Being fixedly installed guide rail on described driving frame, described guide rail is provided with guide-track groove, described erection support has been wholely set guiding projection, described guiding projection slides up and down with described guide-track groove and coordinates.
Described displacement synchronous detecting system includes the first displacement transducer, second displacement sensor, operational amplifier, amplifier and servo valve, the first described displacement transducer is fixedly mounted in described topping roll system, described second displacement sensor is fixedly mounted on described erection support, the first described displacement transducer, described second displacement sensor and described amplifier electrically connect with described operational amplifier respectively, described servo valve electrically connects with described amplifier, and described servo valve is connected with described hydraulic cylinder；Can ensure that the output shaft of upper hydraulic motor and topping roll are operationally on same central axis by displacement synchronous detecting system.
Compared with prior art, the utility model has the advantages that owing to upper and lower roll independently drives rotation by hydraulic motor respectively so that the rotating speed of upper and lower roll can realize stepless speed regulation, and moment of torsion is big, the motion of low speed large-tonnage can be realized so that the motion homogeneous of roll system is stable；And coaxially connected fixing by shaft coupling and upper and lower roll respectively due to hydraulic motor, substantially reduce the lateral dimension of cross wedge rolling machine, decrease and take up room, improve space availability ratio.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the side view of driving frame of the present utility model；
Fig. 3 is the sectional view of A-A in Fig. 2；
Fig. 4 is the sectional view of B-B in Fig. 2；
Fig. 5 is the schematic diagram of displacement synchronous detecting system of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, this utility model is described in further detail.
nullAs shown in the figure，A kind of monoblock type cross wedge rolling machine of fluid motor-driven，Including work housing 1 and driving frame 2，Topping roll system 3 and bottom roll system 4 it is provided with on work housing 1，It is fixedly installed on work housing 1 for regulating topping roll system 3 and the press down system 5 of bottom roll system 4 spacing，Hydraulic motor 6 and lower hydraulic motor 7 it is provided with on driving frame 2，Upper hydraulic motor 6 is connected with power source by synchronous valve (not shown) respectively with lower hydraulic motor 7，The output shaft of upper hydraulic motor 6 is fixedly and coaxially connected with the topping roll in topping roll system 3 by shaft coupling 61，The output shaft of lower hydraulic motor 7 is fixedly and coaxially connected with the bottom roll in bottom roll system 4 by shaft coupling 71，Lower hydraulic motor 7 is fixedly mounted on driving frame 2，The up-down adjustment mechanism for regulating upper hydraulic motor 6 upper-lower position it is provided with on driving frame 2，It is provided with displacement synchronous detecting system between upper hydraulic motor 6 and topping roll system 3；
nullErection support 8 it is provided with on driving frame 2，Guide rail 20 it is fixedly installed on driving frame 2，Guide-track groove (not marking in figure) it is provided with on guide rail 20，Guiding projection 81 it has been wholely set on erection support 8，Guiding projection 81 slides up and down with guide-track groove (not marking in figure) and coordinates，Upper hydraulic motor 6 is fixedly mounted on erection support 8，Up-down adjustment mechanism includes the moving drive mechanism for driving erection support 8 to move up and down and for supporting the support fixed mechanism of fixed installation bearing 8，Moving drive mechanism includes hydraulic cylinder 9，Hydraulic cylinder 9 is vertically fixed on driving frame 2，The piston rod of hydraulic cylinder 9 is fixing with erection support 8 to be connected，Support fixed mechanism and include voussoir 10、Lower wedge block 11 and fixed plate 12，Lower wedge block 11 is fixedly installed on driving frame 2，Upper voussoir 10 is positioned at the lower section of erection support 8 and contacts with the lower surface of erection support 8，The inclined-plane of upper voussoir 10 matches with the inclined-plane of lower wedge block 11，The two ends of upper voussoir 10 are bolted with the first bolt 13 and the second bolt 14 respectively，First bolt 13 is oppositely arranged with the second bolt 14，The end of the first bolt 13 is against on the side of driving frame 2，The end of the second bolt 14 is against on the opposite side of driving frame 2，Rotate the first bolt 13 or the second bolt 14 drives and moves or move down on upper voussoir 10，Fixed plate 12 is fixedly mounted on driving frame 2，Adjustment hole 15 it is provided with in fixed plate 12，Fixing bolt 16 it is bolted with on upper voussoir 10，Fixing bolt 16 is fixed through adjustment hole 15 and by double nut 17；
Displacement synchronous detecting system includes the first displacement transducer 18, second displacement sensor 19, operational amplifier 21, amplifier 22 and servo valve 23, first displacement transducer 18 is fixedly mounted in topping roll system 3, second displacement sensor 19 is fixedly mounted on erection support 8, first displacement transducer 18, second displacement sensor 19 and amplifier 22 electrically connect with operational amplifier 21 respectively, servo valve 23 electrically connects with amplifier 22, and servo valve 23 is connected with hydraulic cylinder 9.
In above-described embodiment, press down system 5 is the existing mechanism for regulating topping roll system 3 upper-lower position in cross wedge rolling machine；The work process of displacement synchronous detecting system is:
When adjusting the spacing of upper and lower roll system, the displacement h of topping roll system 3 measured by the first displacement transducer 180And send the signal to operational amplifier 21, meanwhile, second displacement sensor 19 is measured the displacement h of erection support 8 and sends the signal to operational amplifier 21, and operational amplifier 21 obtains deviation signal Δ h, Δ h=h-h by after two signals0, amplifier 22 is sent to servo valve 23 after being amplified by deviation signal Δ h, if Δ h=0, then servo valve 23 does not works；If Δ h ≠ 0, then servo valve 23 works, and drives the piston rod of hydraulic cylinder 9 to drive erection support 8 to move up and down, until Δ h=0, adjustment terminates, and the topping roll in topping roll system 3 is coaxial with the output shaft of upper hydraulic motor 6.
Claims (6)
- null1. the monoblock type cross wedge rolling machine of a fluid motor-driven，Including work housing and driving frame，Topping roll system and bottom roll system it is provided with on described work housing，It is fixedly installed on described work housing for regulation、The press down system of bottom roll system spacing，It is characterized in that on described driving frame, being provided with hydraulic motor and lower hydraulic motor，Described upper hydraulic motor is connected with power source by synchronous valve respectively with described lower hydraulic motor，The output shaft of described upper hydraulic motor is fixedly and coaxially connected with the topping roll in described topping roll system by shaft coupling，The output shaft of described lower hydraulic motor is fixedly and coaxially connected with the bottom roll in described bottom roll system by shaft coupling，Described lower hydraulic motor is fixedly mounted on described driving frame，The up-down adjustment mechanism for regulating described upper hydraulic motor upper-lower position it is provided with on described driving frame，It is provided with displacement synchronous detecting system between described upper hydraulic motor and described topping roll system.
- The monoblock type cross wedge rolling machine of a kind of fluid motor-driven the most as claimed in claim 1, it is characterized in that being provided with erection support on described driving frame, described erection support slides up and down with described driving frame and coordinates, described upper hydraulic motor is fixedly mounted on described erection support, and described up-down adjustment mechanism includes the moving drive mechanism for driving described erection support to move up and down and for supporting the support fixed mechanism of fixing described erection support.
- The monoblock type cross wedge rolling machine of a kind of fluid motor-driven the most as claimed in claim 2, it is characterized in that described moving drive mechanism includes hydraulic cylinder, described hydraulic cylinder is vertically fixed on described driving frame, and the piston rod of described hydraulic cylinder is fixing with described erection support to be connected.
- nullThe monoblock type cross wedge rolling machine of a kind of fluid motor-driven the most as claimed in claim 2，It is characterized in that described support fixed mechanism includes voussoir、Lower wedge block and fixed plate，Described lower wedge block is fixedly installed on described driving frame，Described upper voussoir is positioned at the lower section of described erection support and contacts with the lower surface of described erection support，The inclined-plane of described upper voussoir matches with the inclined-plane of described lower wedge block，The two ends of described upper voussoir are bolted with the first bolt and the second bolt respectively，The first described bolt is oppositely arranged with the second described bolt，The end of the first described bolt is against on the side of described driving frame，The end of the second described bolt is against on the opposite side of described driving frame，The first bolt described in rotation or the second described bolt drive described in upper voussoir on move or move down，Described fixed plate is fixedly mounted on described driving frame，It is provided with adjustment hole in described fixed plate，It is bolted with fixing bolt on described upper voussoir，Described fixing bolt through described adjustment hole and is fixed by double nut.
- The monoblock type cross wedge rolling machine of a kind of fluid motor-driven the most as claimed in claim 2, it is characterized in that being fixedly installed guide rail on described driving frame, it is provided with guide-track groove on described guide rail, being wholely set guiding projection on described erection support, described guiding projection slides up and down with described guide-track groove and coordinates.
- The monoblock type cross wedge rolling machine of a kind of fluid motor-driven the most as claimed in claim 3, it is characterized in that described displacement synchronous detecting system includes the first displacement transducer, second displacement sensor, operational amplifier, amplifier and servo valve, the first described displacement transducer is fixedly mounted in described topping roll system, described second displacement sensor is fixedly mounted on described erection support, the first described displacement transducer, described second displacement sensor and described amplifier electrically connect with described operational amplifier respectively, described servo valve electrically connects with described amplifier, described servo valve is connected with described hydraulic cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293523.4U CN205496276U (en) | 2016-04-08 | 2016-04-08 | Hydraulic motor drive's integral flat wedge cross rolling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620293523.4U CN205496276U (en) | 2016-04-08 | 2016-04-08 | Hydraulic motor drive's integral flat wedge cross rolling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205496276U true CN205496276U (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620293523.4U Expired - Fee Related CN205496276U (en) | 2016-04-08 | 2016-04-08 | Hydraulic motor drive's integral flat wedge cross rolling |
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| CN (1) | CN205496276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689401A (en) * | 2016-04-08 | 2016-06-22 | 宁波大学 | Integrated cross wedge rolling mill driven by hydraulic motor |
| CN106269874A (en) * | 2016-10-26 | 2017-01-04 | 燕山大学 | A kind of electro plasticity cross wedge rolling machine |
-
2016
- 2016-04-08 CN CN201620293523.4U patent/CN205496276U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689401A (en) * | 2016-04-08 | 2016-06-22 | 宁波大学 | Integrated cross wedge rolling mill driven by hydraulic motor |
| CN106269874A (en) * | 2016-10-26 | 2017-01-04 | 燕山大学 | A kind of electro plasticity cross wedge rolling machine |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20190408 |