CN202779990U - Jaw disc braking type hydraulic shear opening degree adjusting device - Google Patents
Jaw disc braking type hydraulic shear opening degree adjusting device Download PDFInfo
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- CN202779990U CN202779990U CN 201220510785 CN201220510785U CN202779990U CN 202779990 U CN202779990 U CN 202779990U CN 201220510785 CN201220510785 CN 201220510785 CN 201220510785 U CN201220510785 U CN 201220510785U CN 202779990 U CN202779990 U CN 202779990U
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- eccentric shaft
- adjustment device
- opening adjustment
- fork
- connecting rod
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- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000001360 synchronised effect Effects 0.000 claims abstract description 4
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 23
- 230000003028 elevating effect Effects 0.000 claims description 4
- 238000010008 shearing Methods 0.000 abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000002146 bilateral effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 3
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to an opening degree adjusting device is cut to jaw braking formula hydraulic pressure, hydraulic pressure are cut including frame, last shearing mechanism, lifting link mechanism, lower shearing mechanism and actuating mechanism, are equipped with two opening degree adjusting device of synchronous motion in the frame bilateral symmetry, and each opening degree adjusting device includes rotation center pin joint in the eccentric shaft of connecting the crossbeam, the eccentric end of eccentric shaft is worn to locate in the perforation of seting up on lifting link mechanism's the corresponding pendulum rod, the eccentric shaft is deflected by the gear motor drive that its one end is connected, the other end of eccentric shaft is equipped with a brake disc, be equipped with the stopper that is fixed in the frame around the brake disc. The utility model can realize stepless adjustment in the adjustment range of the opening degree, and has no control requirement on the deflection angle precision of the eccentric shaft, so that the control is simpler, and the requirements of the production process are more easily met; in addition, the eccentric shaft is locked in a caliper disc braking mode, braking torque is large, and shearing can be guaranteed to be more stable.
Description
Technical field
The utility model is about the adjustable hydraulic cutter machinery equipment of the rolling opening degree of a kind of metallurgy industry tabularium, relates in particular to a kind of pincers dish brake type hydraulic shear opening adjustment device.
Background technology
In cut deal board rolling field, it is the single bevel hydraulic shear that heavy hydraulic is cut, and when the shearing plate was wider, cutting stroke will be larger, and the rising height that is sheared like this plate is just large.Because lower blade is straight sword, and upper knife edge is tiltedly straight sword, so in shear history, plate is except the shearing force that is subject to blade, blade is pressed the effect of torsion effect power about also can being subject to plate, add the deadweight of plate, in shear history, the too high and plate of plate lifting is relatively thin when wider, will close on shear complete, plate is torn in advance and is broken, and causes otch irregular, even might be because the otch defective causes plate to scrap.
For solving the problems of the technologies described above, the inventor has proposed a kind of opening degree adjustable hydraulic cutter, and (application number is: 201220342037.9), this opening degree adjustable hydraulic cutter includes the rack assembly, upper shear, the upper shear of down cut device and driving is done the lifting linking member mechanism of elevating movement, be provided with the opening adjustment device at the rack assembly, the opening adjustment device comprises eccentric shaft, be installed in the reducing motor on the rack assembly, the eccentric shaft locking sliding block, the members such as locked hydraulic cylinder and locking sliding block guide rail, eccentric shaft is inserted in the slotted eye of offering in the lifting linking member mechanism, reducing motor drives eccentric shaft deflection, the locking sliding block guide rail is arranged on the rack assembly along eccentric shaft axis, the eccentric shaft locking sliding block slides along the locking sliding block guide rail under locked hydraulic cylinder drives, eccentric shaft is provided with external splines towards a side of eccentric shaft locking sliding block, offer through hole corresponding to eccentric shaft on the eccentric shaft locking sliding block, be provided with the internal spline that matches with external splines in through hole, eccentric shaft and eccentric shaft locking sliding block lock by external splines and internal spline.This opening adjustment device is realized upper shear is carried out the secondary adjustment so that eccentric shaft can drive lifting linking member mechanism when rotating move, and comes thus further to adjust the opening degree of hydraulic shear.But, this opening degree adjustable hydraulic cutter is after opening adjustment puts in place, the braking of its eccentric shaft and locking are to adopt the spline retaining mechanism to realize, that is: locking sliding block under the promotion of locking cylinder to front slide, make locking sliding block be sheathed on the external splines end of eccentric shaft, interior external splines is intermeshing and realize the locking of eccentric shaft.There is following problem in this spline retaining mechanism:
1. can not realize the stepless adjustment of hydraulic shear opening degree, so that the opening degree of part plate is bigger than normal or less than normal;
2. owing to be to adopt inside and outside spline engagement locking, therefore the deflection angle control accuracy of eccentric shaft is had relatively high expectations;
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of pincers dish brake type hydraulic shear opening adjustment device, to overcome the defective of prior art.
The utility model content
The purpose of this utility model is to provide a kind of pincers dish brake type hydraulic shear opening adjustment device, adopt the caliper disc braking and locking, can be implemented in the stepless adjustment in the opening adjustment scope, and to the deflection angle precision of eccentric shaft without the control requirement, so that control is oversimplified more.
The purpose of this utility model is to realize like this, a kind of pincers dish brake type hydraulic shear opening adjustment device, described hydraulic shear includes frame, upper shear, shear is done the lifting linking member mechanism of elevating movement in the driving, the driving mechanism of down cut device and the motion of driving down cut device, on the connecting cross beam of described frame, be left and right symmetrically and be provided with the first opening adjustment device and the second opening adjustment device that is synchronized with the movement, described each opening adjustment device comprises that rotary middle spindle is articulated in the eccentric shaft of connecting cross beam, the eccentric end of described eccentric shaft is arranged in the perforation of offering on the corresponding fork of lifting linking member mechanism, described eccentric shaft drives deflection by the reducing motor that the one end connects, the other end of described eccentric shaft is provided with a brake disc, is provided with the brake that is fixed in frame around the described brake disc.
In a preferred embodiments of the present utility model, two or more brakes are set around the described brake disc.
In a preferred embodiments of the present utility model, described lifting linking member mechanism comprises first connecting rod and the second connecting rod that be arranged in parallel, cross bar, the first fork that be arranged in parallel and the second fork, and the lifting driving cylinder that is arranged at described frame top, one end of described first connecting rod and described second connecting rod is articulated in respectively on the upper tool post of shear, the other end of first connecting rod and second connecting rod is hinged with the two ends of described cross bar respectively, one end of described the first fork and the second fork is hinged with the other end of described first connecting rod and described second connecting rod respectively, the telescopic end of the other end of described the first fork and described lifting driving cylinder is hinged, and the eccentric shaft of the middle part of described the first fork and the first opening adjustment device is hinged; The eccentric shaft of the other end of described the second fork and the second opening adjustment device is hinged.
In a preferred embodiments of the present utility model, described frame comprises four columns, base and described connecting cross beam, four columns are connected with base by bolt respectively, described connecting cross beam is fixedly arranged on the top of described framework pillar, the rotary middle spindle of described eccentric shaft be installed in the through hole of described connecting cross beam and with described connecting cross beam matched in clearance.
In a preferred embodiments of the present utility model, be provided with excentric sleeve between the rotary middle spindle of described eccentric shaft and the through hole of connecting cross beam.
In a preferred embodiments of the present utility model, be provided with the fork axle sleeve between the eccentric end of described eccentric shaft and the perforation of corresponding fork.
From the above mentioned, the utility model pincers dish brake type hydraulic shear opening adjustment device, owing to adopt the caliper disc braking and locking, can be implemented in the stepless adjustment in the opening adjustment scope, and to the deflection angle precision of eccentric shaft without the control requirement, so that control oversimplifies more, easilier satisfy manufacturing technique requirent; In addition, adopt pincers dish brake type to carry out the locking of eccentric shaft, braking moment is large, can guarantee to shear more steady.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Fig. 1: be the structural representation of the utility model pincers dish brake type hydraulic shear opening adjustment device.
Fig. 2: be the plan structure schematic diagram of Fig. 1.
Fig. 3: be A-A sectional structure schematic diagram among Fig. 1.
Fig. 4: for B among Fig. 2 to structural representation.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model proposes a kind of pincers dish brake type hydraulic shear opening adjustment device, described hydraulic shear includes the driving mechanism 5 that shear 2 in frame 1, upper shear 2, the driving is made the lifting linking member mechanism 3 of elevating movement, down cut device 4 and driven 4 motions of down cut device, on the connecting cross beam 13 of described frame 1, be left and right symmetrically and be provided with the first opening adjustment device 6 and the second opening adjustment device 7 that is synchronized with the movement; Such as Fig. 2, shown in Figure 3, this the second opening adjustment device 7 comprises that rotary middle spindle is articulated in the eccentric shaft 71 of connecting cross beam 13, the eccentric end of described eccentric shaft 71 is arranged in the perforation of offering on the corresponding fork of lifting linking member mechanism 3, described eccentric shaft 71 drives deflection by the reducing motor 72 that the one end connects, the other end of described eccentric shaft 71 is provided with a brake disc 73, is provided with the brake 74 (as shown in Figure 4) that is fixed in frame around the described brake disc 73; In the present embodiment, according to actual conditions, around the described brake disc 73 one, two or more brake 74 can be set, brake by mounting bracket 741 fixing with frame 1 on, described brake is prior art, its structure repeats no more.In the same manner, described the first opening adjustment device 6 comprises reducing motor 62, brake disc 63 and the brake 64 (as shown in Figure 2) of eccentric shaft 61,61 deflections of driving eccentric shaft.When the opening adjustment device with the hydraulic shear opening adjustment after suitable size (that is: described eccentric shaft deflection puts in place), the corresponding reducing motor that drives eccentric shaft stops to drive, brake die fast (oil), brake is under the effect of its spring force, two pincers firmly vise brake disc, thereby realize the braking and locking of eccentric shaft.
From the above mentioned, in the utility model, owing to adopt the caliper disc braking and locking, can be implemented in the stepless adjustment in the opening adjustment scope, and the deflection angle precision of eccentric shaft without the control requirement, so that control oversimplifies more, is easilier satisfied manufacturing technique requirent; In addition, adopt pincers dish brake type to carry out the locking of eccentric shaft, braking moment is large, can guarantee to shear more steady.
Further, in the present embodiment, such as Fig. 1, shown in Figure 2, described lifting linking member mechanism 3 comprises first connecting rod 31 and the second connecting rod 32 that be arranged in parallel, cross bar 33, the first fork 34 that be arranged in parallel and the second fork 35, and the lifting driving cylinder 36 that is arranged at described frame 1 top, one end of described first connecting rod 31 and described second connecting rod 32 is articulated in respectively on the upper tool post 21 of shear 2, the other end of first connecting rod 31 and second connecting rod 32 is hinged with the two ends of described cross bar 33 respectively, one end of described the first fork 34 and the second fork 35 is hinged with the other end of described first connecting rod 31 and described second connecting rod 32 respectively, the telescopic end of the other end of described the first fork 34 and described lifting driving cylinder 36 is hinged, and the eccentric shaft 61 of the middle part of described the first fork 31 and the first opening adjustment device 6 is hinged; The eccentric shaft 71 of the other end of described the second fork 35 and the second opening adjustment device 7 is hinged.
In the present embodiment, described frame 1 comprises four columns 11, base 12 and described connecting cross beam 13, four columns 11 are connected with base 12 by bolt respectively, described connecting cross beam 13 is fixedly arranged on the top of described framework pillar, described eccentric shaft 61,71 rotary middle spindle be installed in the through hole of described connecting cross beam 13 and with described connecting cross beam 11 matched in clearance.As shown in Figure 3, take the second opening adjustment device 7 as example, described eccentric shaft 71 is installed by excentric sleeve 131 matched in clearance with hydraulic shear connecting cross beam 13, but guarantees flexible rotating; Eccentric shaft 71 1 ends be connected reducing motor 72 and firmly connect by key, eccentric shaft 71 other ends are connected with brake disc and are firmly connected by key; Fork axle sleeve 351 tight fits of hydraulic shear lifting linking member mechanism 3 second forks 35 are installed in the perforation of the second fork; The eccentric end position at eccentric shaft 71 two ends and fork axle sleeve 351 matched in clearance, but guarantee flexible rotating; Fork baffle plate 352 is connected on the second fork 35 with screw, and the second fork does not come off when guaranteeing to rotate; Brake 74 firmly is installed on its mounting bracket 741 with bolt, and brake is symmetrical arranged and is installed on brake disc 73 both sides on every side, and brake 74 jaws clamp to brake disc 73 limit faces.In the same manner, also be provided with identical structure in the first opening adjustment device 6.
During shearing, the adjusting range of opening degree is 2 times eccentric throw, adopt the utility model pincers dish brake type hydraulic shear opening adjustment device, can be according to different sheet thicknesses and plate performance, the shear openings degree is set arbitrarily in the adjusting range of opening degree, can guarantee to shear the quality of plate, realize the smooth shearing of plate; This pincers dish brake type hydraulic shear opening adjustment apparatus structure is simple, controlling run reliable, failure rate is low.
After plate enters the shearing position, upper tool post lifting hydraulic cylinder 36 is retracted, driving lifting linking member mechanism 3 drive upper tool posts 21 falls, then according to treating that the shear plate flitch is thick, reducing motor 62,72 driven in synchronism eccentric shafts 61,71 by the opening adjustment device rotate to low level by off-centre is high-order, and drive lifting linking member mechanism 3 and upper tool post 21 continuation declines (the shear openings degree further dwindles); After being down to suitable clipped position (also being that opening adjustment arrives suitable size), reducing motor 62,72 stops to drive, brake 64,74 is died (pneumatic type) or oil-break (fluid pressure type) fast, brake 64,74 is under the effect of its spring force, two pincers firmly vise brake disc 63,73, thereby realize eccentric shaft 61,71 braking and locking.Behind the eccentric shaft braking and locking, plate hold down gag (existing structure) begins to release under the effect that compresses hydraulic cylinder, pushes down plate to be sheared; Then, down cut device 4 moves upward under the driving of driving mechanism 5, and drives the shearing that lower slide is realized plate.Shear completely, down cut device 4 moves downward under the driving of driving mechanism 5, realizes the return of lower slide; Upper tool post lift cylinders 36 is released simultaneously, drives upper tool post 21 rising returns by linkage 3; Compress the hydraulic cylinder retraction and drive clamping platen lifting return; Then, brake 64,74 is given gas (oil) fast, under the effect that gas (oil) is pressed, overcome the effect of spring force, so that brake 64, two pincers take-off the brake dishes 63,73 of 74, at this moment, drive reducing motor 62,72 reverse rotations, drive eccentric shaft 61,71 rotation returns, finish the shearing of a plate, wait for that next piece plate enters the position and shears.
The utility model pincers dish brake type hydraulic shear opening adjustment device has following characteristics:
1. can realize automatically carrying out according to different shearing plates the adjustment of opening degree;
2. open degree adjustment mechanism is simple, controlling run reliable, failure rate is low;
3. adopt pincers dish brake type to carry out the locking of eccentric shaft, braking moment is large, guarantees to shear steadily;
4. realized the stepless adjustment of opening degree, the plate of unlike material, thickness can be as required arranges arbitrarily in the adjusting range of opening degree, easilier satisfies manufacturing technique requirent.
The above only is the schematic specific embodiment of the utility model, is not to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present utility model and principle and modification all should belong to the scope that the utility model is protected.
Claims (6)
1. pincers dish brake type hydraulic shear opening adjustment device, described hydraulic shear includes frame, upper shear, shear is done the lifting linking member mechanism of elevating movement in the driving, the driving mechanism of down cut device and the motion of driving down cut device, on the connecting cross beam of described frame, be left and right symmetrically and be provided with the first opening adjustment device and the second opening adjustment device that is synchronized with the movement, it is characterized in that: described each opening adjustment device comprises that rotary middle spindle is articulated in the eccentric shaft of connecting cross beam, the eccentric end of described eccentric shaft is arranged in the perforation of offering on the corresponding fork of lifting linking member mechanism, described eccentric shaft drives deflection by the reducing motor that the one end connects, the other end of described eccentric shaft is provided with a brake disc, is provided with the brake that is fixed in frame around the described brake disc.
2. pincers dish brake type hydraulic shear opening adjustment device as claimed in claim 1 is characterized in that: two or more brakes are set around the described brake disc.
3. pincers dish brake type hydraulic shear opening adjustment device as claimed in claim 1, it is characterized in that: described lifting linking member mechanism comprises first connecting rod and the second connecting rod that be arranged in parallel, cross bar, the first fork that be arranged in parallel and the second fork, and the lifting driving cylinder that is arranged at described frame top, one end of described first connecting rod and described second connecting rod is articulated in respectively on the upper tool post of shear, the other end of first connecting rod and second connecting rod is hinged with the two ends of described cross bar respectively, one end of described the first fork and the second fork is hinged with the other end of described first connecting rod and described second connecting rod respectively, the telescopic end of the other end of described the first fork and described lifting driving cylinder is hinged, and the eccentric shaft of the middle part of described the first fork and the first opening adjustment device is hinged; The eccentric shaft of the other end of described the second fork and the second opening adjustment device is hinged.
4. pincers dish brake type hydraulic shear opening adjustment device as claimed in claim 1, it is characterized in that: described frame comprises four columns, base and described connecting cross beam, four columns are connected with base by bolt respectively, described connecting cross beam is fixedly arranged on the top of described framework pillar, the rotary middle spindle of described eccentric shaft be installed in the through hole of described connecting cross beam and with described connecting cross beam matched in clearance.
5. pincers dish brake type hydraulic shear opening adjustment device as claimed in claim 4 is characterized in that: be provided with excentric sleeve between the rotary middle spindle of described eccentric shaft and the through hole of connecting cross beam.
6. pincers dish brake type hydraulic shear opening adjustment device as claimed in claim 1 is characterized in that: be provided with the fork axle sleeve between the eccentric end of described eccentric shaft and the perforation of corresponding fork.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510785 CN202779990U (en) | 2012-09-29 | 2012-09-29 | Jaw disc braking type hydraulic shear opening degree adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220510785 CN202779990U (en) | 2012-09-29 | 2012-09-29 | Jaw disc braking type hydraulic shear opening degree adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202779990U true CN202779990U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220510785 Expired - Lifetime CN202779990U (en) | 2012-09-29 | 2012-09-29 | Jaw disc braking type hydraulic shear opening degree adjusting device |
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|---|---|
| CN (1) | CN202779990U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127855A (en) * | 2018-10-09 | 2019-01-04 | 济南二机床集团有限公司 | Electric servo puts shearing machine |
-
2012
- 2012-09-29 CN CN 201220510785 patent/CN202779990U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109127855A (en) * | 2018-10-09 | 2019-01-04 | 济南二机床集团有限公司 | Electric servo puts shearing machine |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |