CN201124263Y - Hydraulic locking mechanism of rotary cutter - Google Patents
Hydraulic locking mechanism of rotary cutter Download PDFInfo
- Publication number
- CN201124263Y CN201124263Y CNU2007201260143U CN200720126014U CN201124263Y CN 201124263 Y CN201124263 Y CN 201124263Y CN U2007201260143 U CNU2007201260143 U CN U2007201260143U CN 200720126014 U CN200720126014 U CN 200720126014U CN 201124263 Y CN201124263 Y CN 201124263Y
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- locking
- piston
- fluid pressure
- locking cylinder
- cylinder body
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Abstract
The utility model belongs to the field of steel rolling equipment, in particular to a frame locking device for rotary trimming shears or chopper shears with adjusted opening degree, i.e., a hydraulic locking mechanism for rotary shears. The hydraulic locking mechanism is characterized in that a locking cylinder (1) of the locking device is fixed on both sides of a fixed pedestal of the rotary shears; the lock (4) of the locking cylinder (1) corresponds to a lock cavity of a movable pedestal; a hydraulic pipe is communicated with an oil passage (11) of the locking cylinder (1) through an interface (10) and is respectively communicated with an oil inlet pipe and an oil return pipe through a solenoid directional control valve; the oil passage (11) of the locking cylinder is perpendicular to a piston cavity; the piston cavity forms an L-shaped passage together with the oil passage (11); and a piston (6) in the piston cavity is connected with the lock (4) at one end. The frame locking device can ensure the normal locking and opening of the opening degree, maximally eliminate the regular friction between the pedestal and a plunger cylinder and facilitate the installation and the maintenance of the device.
Description
Technical field
The utility model belongs to the steel rolling equipment field, the rack locking device that particularly a kind of cut edge circle shear or the adjustment of scrap cutter opening degree finish, promptly a kind of rotary cutter fluid pressure retaining mechanism.
Background technology
The high accuracy cut edge circle shear is one of nucleus equipment that is widely used in metal plate and belt finishing line (units such as rewinding, slitting, straightening, pickling).The precision of opening degree adjustment and stability are one of important indicators wherein.In the process of disk shearing work, the cutting edge of circle shear is subjected to shearing the effect of lateral thrust in the band process, the vibration of equipment itself, and during the unusual sideslip of band to the influence of the factors such as impulsive force of cutting edge, cause that easily opening degree promptly shears the variation of strip width, circle shear is under this condition of severe for a long time works, and the high precision ball leading screw precision that causes opening degree to be adjusted easily is impaired, and the precision that the circle shear opening degree is adjusted reduces with stability.
Before the opening degree adjustment of cut edge circle shear or scrap cutter finished, and unit is prepared to put into operation, the movable base of cut edge circle shear or scrap cutter (the cutter head body is installed on the movable base) must be locked, and unit can coordinated operation.
The employing that existing circle shear opening degree locking function has has the line slideway of hydraulic locking function and realizes, but its bring direct result be with high costs, maintenance cost is big.
For this reason, a kind of easy hydraulic locking mechanism is used in the opening degree of cut edge circle shear or scrap cutter and adjusts, it overcome cost height, the maintenance cost of hydraulic locking line slideway big problem.But owing to still there are problems such as the installation site is unreasonable, when the opening degree adjustment need be opened, there was pressure differential in pipeline, and promptly retaining mechanism still has remaining coupling mechanism force, and plunger case is bigger to the frictional force of movable base, caused the two wearing and tearing to strengthen.
Summary of the invention
The purpose of this utility model is the weak point that is to overcome above-mentioned existing equipment, a kind of a kind of rotary cutter fluid pressure retaining mechanism that is easy to safeguard simple in structure is provided, with the normal locking that guarantees opening degree with open, eliminate the regular friction between movable base and the plunger case to greatest extent, make that simultaneously device is convenient for installation and maintenance.
The purpose of this utility model is to realize like this, design a kind of rotary cutter fluid pressure retaining mechanism, it is characterized in that: the locking cylinder body 1 of locking device is fixed on the both sides of circle shear firm banking, the tapered end 4 of locking cylinder body 1 is corresponding with movable base lock chamber, fluid pressure line is connected by the oil transportation channel 11 of interface 10 with locking cylinder body 1, and fluid pressure line is communicated with in-line and return line respectively by solenoid directional control valve; The oil transportation channel 11 of locking cylinder body 1 is vertical with plunger shaft, and plunger shaft and oil transportation channel 11 constitute L shaped passage, and piston 6 one ends in the plunger shaft are connected with tapered end 4.
Between described piston 6 and the tapered end 4 spring 2 is arranged.
Described piston 6 is socketed with piston packing 5, and oil transportation channel 11 passes through piston packing 5 seal isolation with tapered end 4.
Described piston 6 is fixed with two bracing rings 3.
On the locking cylinder body 1 of the other end that described plunger shaft and tapered end 4 are reverse blind flange 7 is arranged.
Characteristics of the present utility model are: because at circle shear firm banking both sides fixing and locking cylinder body 1, the tapered end 4 of locking cylinder body 1 is corresponding with movable base lock chamber, control by one road hydraulic circuit, when needs are adjusted opening degree, reversal valve is opened, fluid pressure line communicates with the return line of hydraulic system, and spring discharges thrust, forces the plunger tapered end to lock into cylinder body and separate with movable base; When the opening degree adjustment finishes, the reversal valve closure, fluid pressure line communicates with the in-line of hydraulic system, and plunger is subjected to the pressure of hydraulic oil, forces plunger tapered end and movable base to compress.During hydraulic control, plunger shaft and oil transportation channel 11 constitute L shaped passage, and piston 6 one ends in the plunger shaft are connected with tapered end 4, have solved and have adopted the line slideway that has the hydraulic locking function to realize the high cost that movable base locking brings, maintenance cost height; Also solved install inconvenient, easy care not, and when fundamentally having solved the pipeline release because plunger case that the pipeline back pressure is brought and the permanent wear problem between the movable base.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the utility model is described further.
Fig. 1 is the structural representation of embodiment hydraulic locking apparatus.
Among the figure: 1, locking cylinder body; 2, spring; 3, bracing ring; 4, tapered end; 5, piston packing; 6, piston; 7, blind flange; 8, O RunddichtringO; 9, screw; 10, interface; 11, oil transportation channel.
The specific embodiment
As shown in Figure 1, the locking cylinder body 1 of locking device is fixed on the both sides of circle shear firm banking, locking cylinder body 1 puts together on the both sides that circle shear is operated firm banking side and transmission side firm banking by screw, and the tapered end 4 of locking cylinder body 1 is corresponding with movable base lock chamber.In the locking cylinder body 1 plunger shaft and oil transportation channel 11 are arranged, plunger shaft and oil transportation channel 11 constitute L shaped passage.The flange of piston 6 is pressed in spring 2 in the plunger shaft of locking cylinder body 1; Be spring 2 between piston 6 and the tapered end 4.Two bracing rings 3 are installed on the piston 6, and piston 6 moves protection piston 6 at two bracing rings 3.Being installed in piston packing 5 on the piston 6, will to lock the oil pocket and the tapered end 4 of cylinder body 1 isolated.On the locking cylinder body 1 of the plunger shaft and the tapered end 4 rightabout other ends blind flange 7 is arranged.The O RunddichtringO 8 that is installed between blind flange 7 and the cylinder body 1 seals up the installing hole of piston 6.When needing repairing seal, the handle of opening blind flange 7 closes screw 9, directly piston 6 is extracted from the plunger shaft of locking cylinder body 1 and can be keeped in repair or change seal.
The interface 10 of oil transportation channel 11 upper ends is communicated with the fluid pressure line of hydraulic system.Just fluid pressure line is connected by the oil transportation channel 11 of interface 10 with locking cylinder body 1, makes hydraulic oil enter oil transportation channel 11, and oil transportation channel 11 plays the effect in piston hydraulic pressure chamber at this.Interface 10 is communicated with the fluid pressure line of hydraulic system.Fluid pressure line is communicated with in-line and return line respectively by solenoid directional control valve; When needs were adjusted the circle shear opening degree, solenoid directional control valve made oil transportation channel 11 communicate with the return line of hydraulic system, and spring 2 discharges thrust, forced the tapered end 4 on the piston 6 to be separated with movable base; When the opening degree adjustment finishes, solenoid directional control valve makes oil transportation channel 11 communicate with the in-line of hydraulic system, and piston 6 is subjected to the pressure of hydraulic oil, forces tapered end 4 on the piston 6 outwards to be moved into from cylinder body in the lock chamber of movable base and compresses movable base.The oil transportation channel 11 of locking cylinder body 1 is vertical with plunger shaft.
Claims (5)
1, rotary cutter fluid pressure retaining mechanism, it is characterized in that: the locking cylinder body (1) of locking device is fixed on the both sides of circle shear firm banking, the tapered end (4) of locking cylinder body (1) is corresponding with movable base lock chamber, fluid pressure line is connected by the oil transportation channel (11) of interface (10) with locking cylinder body (1), and fluid pressure line is communicated with in-line and return line respectively by solenoid directional control valve; The oil transportation channel (11) of locking cylinder body (1) is vertical with plunger shaft, and plunger shaft and oil transportation channel (11) constitute L shaped passage, and piston (6) one ends in the plunger shaft are connected with tapered end (4).
2, rotary cutter fluid pressure retaining mechanism according to claim 1 is characterized in that: between described piston (6) and the tapered end (4) spring (2) is arranged.
3, rotary cutter fluid pressure retaining mechanism according to claim 1 is characterized in that: described piston (6) is socketed with piston packing (5), and oil transportation channel (11) passes through piston packing (5) seal isolation with tapered end (4).
4, rotary cutter fluid pressure retaining mechanism according to claim 1 is characterized in that: described piston (6) is fixed with two bracing rings (3).
5, rotary cutter fluid pressure retaining mechanism according to claim 1 is characterized in that: on the locking cylinder body (1) of the other end that described plunger shaft and tapered end (4) are reverse blind flange (7) is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201260143U CN201124263Y (en) | 2007-11-26 | 2007-11-26 | Hydraulic locking mechanism of rotary cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201260143U CN201124263Y (en) | 2007-11-26 | 2007-11-26 | Hydraulic locking mechanism of rotary cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201124263Y true CN201124263Y (en) | 2008-10-01 |
Family
ID=39997679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201260143U Expired - Lifetime CN201124263Y (en) | 2007-11-26 | 2007-11-26 | Hydraulic locking mechanism of rotary cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201124263Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513033C (en) * | 2007-11-26 | 2009-07-15 | 中国重型机械研究院 | A rotary cutter fluid pressure locking device |
| CN106994614A (en) * | 2017-05-31 | 2017-08-01 | 苏州松翔电通科技有限公司 | A kind of quick positioning locking mechanism and Full-automatic drilling equipment |
-
2007
- 2007-11-26 CN CNU2007201260143U patent/CN201124263Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100513033C (en) * | 2007-11-26 | 2009-07-15 | 中国重型机械研究院 | A rotary cutter fluid pressure locking device |
| CN106994614A (en) * | 2017-05-31 | 2017-08-01 | 苏州松翔电通科技有限公司 | A kind of quick positioning locking mechanism and Full-automatic drilling equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20071126 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |