CN105149680A - Blade gap adjustment mechanism for plate shearing machine - Google Patents
Blade gap adjustment mechanism for plate shearing machine Download PDFInfo
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- CN105149680A CN105149680A CN201510652995.4A CN201510652995A CN105149680A CN 105149680 A CN105149680 A CN 105149680A CN 201510652995 A CN201510652995 A CN 201510652995A CN 105149680 A CN105149680 A CN 105149680A
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- blocks
- inclining
- skewback
- shearing machine
- blade
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Abstract
The invention relates to a blade gap adjustment mechanism for a plate shearing machine. The blade gap adjustment mechanism comprises a speed reducing motor installed at one side of a rack, a lead screw connected with the output end of the speed reducing motor, and a lower blade base installed on the rack. The two ends of the lead screw are sleeved with nuts. Two fixed inclining blocks are fixedly installed at the lower end of the lower blade base. Each nut is sleeved with one inclining block. The inclining blocks make close contact with the fixed inclining blocks. The horizontal side faces of the inclining blocks are matched with supporting blocks installed on the rack. The blade gap adjustment mechanism is simple in structure; the speed reducing motor drives the lead screw, the lead screw pushes and pulls the nuts, the nuts drive the inclining blocks to move left and right, and the inclining blocks push the fixed inclining blocks to enable the lower blade base and a lower blade to move slightly; meanwhile, by means of the thrust effect of a compressing spring, it is ensured that the fixed inclining blocks and the inclining blocks keep a close contact state constantly, the purpose of fine adjustment of a gap between upper blade and lower blade cutting edges is achieved, adjustment is convenient, and the service life is long.
Description
Technical field
The present invention relates to a kind of blade clearance of plate-shearing machine guiding mechanism, belong to plate shearing machine equipment technical field.
Background technology
Plate shearing machine is used for the shearing of sheet metal, the shearing power resources of plate shearing machine are in hydraulic drive or machine driving, during shear, according to the gap between the thickness adjustment cutter cutting edge of the shear strength and sheet metal that are sheared sheet metal and bottom knife cutting edge, and must to keep the uniformity in gap.Sheet metal is thicker, shear strength is higher, and the gap between cutter cutting edge and bottom knife cutting edge is larger.When sheet metal sheared by plate shearing machine, sheet metal front end is sent to the backgauge origin reference location of plate shearing machine, then material pressing device pushes down the sheet metal on rear side of bottom knife cutting edge, and the cutter cutting edge then tilted is descending progressively shears the sheet metal be positioned on front side of bottom knife cutting edge.When cutter cutting edge and bottom knife cutting edge exceed its shear strength to the extruding force up and down that sheet metal applies, sheet metal is cut off.Owing to there is gap between cutter cutting edge and bottom knife cutting edge, the shear plane of sheet metal is also not orthogonal to plate surface, and the shearing force of cutting off sheet metal moment certainly leads to horizontal component.
The upper and lower blade clearance adjusting device of existing all kinds of plate shearing machine adopts adjustment cutter to realize the adjustment of upper and lower gap blade substantially, also have and adopt hand adjustment bottom knife, then by clearance gauge manual measurement, but the method is accurate not, and need workman to enter in lathe to measure, security is lower.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of structure simple, easy to operate, upper and lower blade cutting edge gap is easy to adjust, a kind of blade clearance of plate-shearing machine guiding mechanism of long service life.
The technical solution adopted in the present invention is for this reason:
Comprise the reducing motor being arranged on frame side, the screw mandrel be connected with reducing motor output and rack-mounted lower tool rest, described screw mandrel two ends cover has nut, described lower tool rest lower end is installed with two fixing skewbacks, described each nut overlaps outward respectively skewback, described skewback and fixing skewback close contact, the horizontal side of described skewback matches with rack-mounted rest pad.
Further, the horizontal side of described fixing skewback is provided with holddown spring, and the other end of described holddown spring props up the baffle plate be fixedly mounted in frame.
Further, described frame is provided with linear displacement transducer, the contact of described linear displacement transducer is connected with skewback.
Advantage of the present invention is:
Structure of the present invention is simple, screw mandrel is driven by reducing motor, screw mandrel push-and-pull nut, nut drives skewback to move left and right, thus the fine motion of lower tool rest and bottom knife is realized by the fixing skewback of skewback promotion, guaranteed the state of fixing skewback and skewback moment maintenance close contact simultaneously by the thrust of holddown spring, thus reach the object of upper and lower blade cutting edge clearance fine adjustment, easy to adjust, long service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure, 1 be frame, 2 are reducing motors, 3 are screw mandrels, 4 are lower tool rests, 5 are nuts, 6 are fixing skewbacks, 7 are skewbacks, 8 are rest pads, 9 are holddown springs, 10 are baffle plates, 11 is linear displacement transducers.
Detailed description of the invention
A kind of blade clearance of plate-shearing machine guiding mechanism, the lower tool rest 4 comprising the reducing motor 2 being arranged on frame 1 side, the screw mandrel 3 be connected with reducing motor 2 output and be arranged in frame 1, described screw mandrel 3 two ends cover has nut 5, described lower tool rest 4 lower end is installed with two fixing skewbacks 6, the outer cover respectively of described each nut 5 has skewback 7, described skewback 7 and fixing skewback 6 close contact, the horizontal side of described skewback 7 matches with the rest pad 8 be arranged in frame 1; The horizontal side of described fixing skewback 6 is provided with holddown spring 9, and the other end of described holddown spring 9 props up the baffle plate 10 be fixedly mounted in frame 1; Described frame 1 is provided with linear displacement transducer 11, and the contact of described linear displacement transducer 11 is connected with skewback 7.
Screw mandrel 3 is driven by reducing motor 2, screw mandrel 3 push-and-pull nut 5, nut 5 drives skewback 7 to move left and right, thus promote by skewback 7 fine motion that fixing skewback 6 realizes lower tool rest 4 and bottom knife, guaranteed the state of fixing skewback 6 and skewback 7 moment maintenance close contact simultaneously by the thrust of holddown spring 9, thus reach the object of upper and lower blade cutting edge clearance fine adjustment.
Claims (3)
1. a blade clearance of plate-shearing machine guiding mechanism, it is characterized in that, comprise the reducing motor being arranged on frame side, the screw mandrel be connected with reducing motor output and rack-mounted lower tool rest, described screw mandrel two ends cover has nut, described lower tool rest lower end is installed with two fixing skewbacks, described each nut overlaps outward respectively skewback, and described skewback and fixing skewback close contact, the horizontal side of described skewback matches with rack-mounted rest pad.
2. a kind of blade clearance of plate-shearing machine guiding mechanism according to claim 1, is characterized in that, the horizontal side of described fixing skewback is provided with holddown spring, and the other end of described holddown spring props up the baffle plate be fixedly mounted in frame.
3. a kind of blade clearance of plate-shearing machine guiding mechanism according to claim 1, is characterized in that, described frame is provided with linear displacement transducer, and the contact of described linear displacement transducer is connected with skewback.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652995.4A CN105149680A (en) | 2015-10-10 | 2015-10-10 | Blade gap adjustment mechanism for plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652995.4A CN105149680A (en) | 2015-10-10 | 2015-10-10 | Blade gap adjustment mechanism for plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105149680A true CN105149680A (en) | 2015-12-16 |
Family
ID=54790882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510652995.4A Pending CN105149680A (en) | 2015-10-10 | 2015-10-10 | Blade gap adjustment mechanism for plate shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105149680A (en) |
-
2015
- 2015-10-10 CN CN201510652995.4A patent/CN105149680A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151216 |
|
| WD01 | Invention patent application deemed withdrawn after publication |