CN220515565U - Cutting edge clearance adjusting device of transverse cutting shears and transverse cutting shearing equipment - Google Patents
Cutting edge clearance adjusting device of transverse cutting shears and transverse cutting shearing equipment Download PDFInfo
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- CN220515565U CN220515565U CN202321911519.6U CN202321911519U CN220515565U CN 220515565 U CN220515565 U CN 220515565U CN 202321911519 U CN202321911519 U CN 202321911519U CN 220515565 U CN220515565 U CN 220515565U
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- 238000010008 shearing Methods 0.000 title claims abstract description 33
- 238000005520 cutting process Methods 0.000 title description 49
- 238000006073 displacement reaction Methods 0.000 claims abstract description 16
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 24
- 239000010959 steel Substances 0.000 description 24
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses a shearing edge gap adjusting device of transverse shears, which comprises a driving mechanism, a limiting driving unit, a swinging rod, a screw-nut pair, an upper cutter assembly and a lower cutter assembly matched with the upper cutter assembly, wherein the screw-nut pair and the limiting driving unit are respectively arranged at two sides of the upper cutter assembly in the width direction, the driving mechanism is provided with a high-precision displacement sensor for monitoring the driving stroke of the driving mechanism, the first end of the swinging rod is hinged with the driving mechanism, the second end of the swinging rod is fixedly connected with a screw rod of the screw-nut pair so as to realize that the screw rod of the screw-nut pair abuts against or is separated from the upper cutter assembly, the driving end of the limiting driving unit corresponds to the upper cutter assembly so as to drive the upper cutter assembly to abut against the screw rod of the screw-nut pair, and the high-precision displacement sensor monitors the driving stroke of the driving mechanism in real time so as to obtain a real-time monitoring value corresponding to adjust the shearing edge gap of the transverse shears so as to realize quantitative adjustment.
Description
Technical Field
The utility model relates to the technical field of metallurgical equipment, in particular to a shearing blade gap adjusting device of transverse shearing and transverse shearing equipment.
Background
The transverse shearing equipment is widely applied to production lines of rolling units, leveling units, transverse shearing units and the like in the steel field due to simple structure and high shearing speed.
The quality of the cross section cut of the strip steel product has a direct relation with the size of the gap between the upper and lower cutting edges, and the size of the gap between the upper and lower cutting edges is related to the thickness of the sheared strip steel product, and if the gap is not matched with the thickness of the sheared strip steel product, the quality of the cross section cut of the strip steel product is directly affected.
As shown in fig. 1, the clearance between the cutting edges of the transverse shears (i.e. the clearance between the cutting edges) is the vertical distance between the corresponding cutting edge surfaces of the upper and lower cutting edges in the left and right directions, and there are mainly two adjustment modes, the first adjustment mode is to manually increase or decrease the thickness of a gasket between the cutting edge and the cutter holder to adjust the clearance between the upper and lower cutting edges; the second adjusting mode is to drive the upper cutting edge or the lower cutting edge to move in the left and right directions by a hydraulic cylinder so as to adjust the gap between the upper cutting edge and the lower cutting edge.
On some production lines with large thickness spans of strip steel products, the production specifications of the strip steel products are various, the thickness conversion frequency of the strip steel products is high, the adjustment range of the shearing blade gap is required to be large, and the adjustment frequency of the shearing blade gap is also increased.
The first adjustment method requires a lot of manpower and time, and the adjustment accuracy of the clearance between the cutting edges is limited, so that the production requirement cannot be met.
The second mode saves manpower and time, but only can adjust the clearance of the cutting edge through the minimum stroke and the maximum stroke corresponding to the piston rod of the hydraulic cylinder, the problem that the clearance of the cutting edge cannot be quantitatively adjusted still exists, and the specific value of the clearance of the cutting edge cannot be monitored in real time.
Disclosure of Invention
Therefore, the utility model provides a cutting edge clearance adjusting device of a transverse cutting machine and a transverse cutting machine, which can quantitatively adjust the cutting edge clearance and monitor the specific value of the cutting edge clearance in real time.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
the utility model provides a shearing edge clearance adjustment device of crosscut scissors, includes actuating mechanism, spacing drive unit, pendulum rod, screw-nut pair, goes up the sword subassembly and cooperation go up the lower sword subassembly of sword subassembly, screw-nut pair with spacing drive unit sets up respectively go up the ascending both sides of sword subassembly's width direction, screw-nut pair's nut is fixed the setting, actuating mechanism is equipped with and is used for monitoring actuating mechanism's drive stroke's high accuracy displacement sensor, the first end of pendulum rod articulates actuating mechanism, the second end fixed connection of pendulum rod screw-nut pair's lead screw is in order to drive screw-nut pair's lead screw rotates in screw-nut pair's nut, and then realizes screw-nut pair's lead screw top is supported or is broken away from go up the sword subassembly, spacing drive unit's drive end corresponds go up the sword subassembly is in order to drive upper sword subassembly is in close to screw-nut pair's lead screw.
Further, the driving mechanism comprises a driver and a connecting rod, the driver is provided with a high-precision displacement sensor for monitoring the stroke of the telescopic end of the driver, the driver is in driving connection with the connecting rod so as to drive the connecting rod to advance or retreat along the axial direction of the connecting rod, and the first end of the swing rod is hinged with the connecting rod.
Further, the device also comprises a frame, wherein the upper cutter assembly is slidably assembled on the frame, and the driver, the limit driving unit and the nuts of the screw-nut pair are fixedly assembled on the frame.
Further, the upper cutter assembly comprises an upper cutter holder and an upper cutter blade, the upper cutter blade is fixed on the upper cutter holder, the upper cutter holder is slidably assembled on the frame, and the upper cutter holder is located between the screw rod of the screw rod nut pair and the limit driving unit.
Further, an abutting groove which is matched with the screw rod of the screw rod nut pair and is away from the end part of the swing rod is formed in the outer side wall of the upper tool apron.
Further, the screw-nut pair comprises a screw and a limit nut, the limit nut is a nut of the screw-nut pair, one end of the screw is fixedly connected with the second end of the swing rod, and the other end of the screw penetrates through the limit nut.
Further, the limit driving unit is a plunger cylinder, and a piston rod of the plunger cylinder drives the upper cutter assembly to move upwards along the width direction of the upper cutter assembly so as to enable the upper cutter assembly to abut against a screw rod of the screw rod nut pair.
Further, the lower knife assembly comprises a lower knife seat and a lower knife blade, the lower knife blade is fixed on the lower knife seat, the upper knife assembly corresponds to the lower knife assembly, and the lifting unit is in driving connection with the lower knife seat so as to drive the lower knife seat to lift and descend.
Further, the number of the swinging rods and the number of the matched screw-nut pairs are two, the first ends of the two swinging rods are respectively hinged to the driving mechanism, the second ends of the two swinging rods are respectively fixedly connected with the corresponding two screw-nut pairs, and the two screw-nut pairs are located on the same side, deviating from the limiting driving unit, of the upper cutter assembly.
The utility model also provides a transverse shearing device which at least comprises the shearing blade gap adjusting device of the transverse shearing.
The technical scheme provided by the utility model has the following beneficial effects:
the driving stroke of the driving mechanism is monitored in real time through the high-precision displacement sensor so as to obtain a real-time monitoring value of the corresponding cutting edge gap, and then the cutting edge gap of the transverse shears is adjusted by the real-time monitoring value of the high-precision displacement sensor, so that the cutting edge gap is quantitatively adjusted, and meanwhile, the labor and time are saved, and the production efficiency is improved.
Drawings
FIG. 1 is a cross-sectional view of a blade gap adjustment device for a partial shear in an embodiment;
FIG. 2 is an enlarged schematic view of region A of FIG. 1;
FIG. 3 is a schematic view of a blade gap adjustment device for a partial shear in an embodiment;
fig. 4 is an enlarged schematic view of the region B in fig. 3.
Detailed Description
For further illustration of the various embodiments, the utility model is provided with the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments and together with the description, serve to explain the principles of the embodiments. With reference to these matters, one of ordinary skill in the art will understand other possible embodiments and advantages of the present utility model. The components in the figures are not drawn to scale and like reference numerals are generally used to designate like components.
The utility model will now be further described with reference to the drawings and detailed description.
Example 1
Referring to fig. 1 to 4, an embodiment provides a blade gap adjusting device for a transverse shear, which is used for adjusting a gap (i.e. a blade gap) between an upper blade and a lower blade of the transverse shear to match strip steel products with different thicknesses, the blade gap adjusting device for the transverse shear comprises a driving mechanism 1, a limit driving unit 6, a swinging rod 5, a screw-nut pair 2, an upper knife assembly 3 and a lower knife assembly 4 matched with the upper knife assembly 3, the screw-nut pair 2 and the limit driving unit 6 are respectively arranged on two sides of the upper knife assembly 3 in the width direction, nuts of the screw-nut pair 2 are fixedly arranged, the driving mechanism 1 is provided with a high-precision displacement sensor (not shown) for monitoring the driving stroke of the driving mechanism 1, a first end of the swinging rod 5 is hinged with the driving mechanism 1, and a second end of the swinging rod 5 is fixedly connected with a screw of the screw-nut pair 2 to drive the screw-nut pair 2 to rotate in the screw-nut of the screw-nut pair 2, so that the screw-nut pair 2 is driven to be separated from the upper knife assembly 3 or the corresponding to the upper knife assembly 3 and the screw-nut pair 3 is driven against the corresponding to the drive end 3 of the screw-nut pair 2.
As shown in fig. 1, the upper blade assembly 3 and the lower blade assembly 4 are disposed in an up-down direction, the left-right direction of the upper blade assembly 3 is a width direction of the upper blade assembly 3, the up-down direction of the upper blade assembly 3 is a thickness direction of the upper blade assembly 3, a movement track of the upper blade assembly 3 is parallel to the width direction of the upper blade assembly 3, and the lower blade assembly 4 is fixedly disposed in the width direction of the upper blade assembly 3.
Firstly grouping different strip steel thicknesses, then performing a series of strip steel thickness comparison tests to determine that the different strip steel thicknesses are matched with corresponding shear blade gaps, and accurately measuring the driving stroke of the driving mechanism 1 corresponding to each group of comparison tests by the high-precision displacement sensor to determine the driving stroke of the driving mechanism 1 corresponding to the different shear blade gaps so as to obtain the mutual corresponding relation between the strip steel thicknesses and the driving strokes of the driving mechanism 1.
When the driving mechanism 1 drives the swing rod 5 to swing towards the first direction (such as the right direction), and the limit driving unit 6 is in a closed state, the swing rod 5 drives the screw rod of the screw-nut pair 2 to rotate and advance in the clockwise direction, after the screw rod of the screw-nut pair 2 stretches out from the end part of the swing rod 5 (i.e. the right end of the screw rod of the screw-nut pair 2), the screw rod of the screw-nut pair 2 is abutted against the left side of the upper cutter assembly 3, and the upper cutter assembly 3 is driven to move forwards continuously until reaching the preset first position, the driving mechanism 1 stops driving the swing rod 5, the upper cutter assembly 3 stops advancing subsequently, then the limit driving unit 6 is switched from the closed state to the open state, so that the telescopic end of the limit driving unit 6 stretches out and abuts against the screw rod of the screw-nut pair 2 (i.e. the right side of the upper cutter assembly 3), the upper cutter assembly 3 is pushed continuously to abut against the screw rod of the screw-nut pair 2, so that the upper cutter assembly 3 is fixed and does not move any more, and then the cutting edge gap of the transverse cutting is adjusted to a preset value matched with the thickness of the strip steel.
When the driving mechanism 1 drives the swing rod 5 to swing towards a second direction (such as a left direction) opposite to the first direction, the limit driving unit 6 is switched to a closed state, the swing rod 5 drives the screw rod of the screw-nut pair 2 to rotate and retreat in a counterclockwise direction, the screw rod of the screw-nut pair 2 is separated from the upper blade assembly 3 to be separated from each other until the right end part of the swing rod 5 retreats to reach a preset second position, the driving mechanism 1 stops driving the swing rod 5, then the limit driving unit 6 is switched to an open state from the closed state, so that the telescopic end of the limit driving unit 6 stretches out and abuts against the right side of the upper blade assembly 3, the upper blade assembly 3 is continuously pushed to abut against the screw rod of the screw-nut pair 2 to be fixed, the upper blade assembly 3 is not moved any more to be locked, and the shearing edge gap of the transverse shearing shear is adjusted to a preset value matched with the thickness of other strip steel again.
The driving mechanism 1 drives the swinging rod 5 to swing in a first direction or a second direction for strip steel products with different thicknesses so as to realize the screw rod of the screw-nut pair 2 to rotate forwards or backwards to a preset position, and the limiting driving unit 6 drives the upper cutter assembly 3 to abut against the screw rod of the screw-nut pair 2 so as to realize the position locking of the upper cutter assembly 3, thereby realizing the adjustment of the gap between the upper cutting edge and the lower cutting edge of the transverse shear so as to match the strip steel products with corresponding thicknesses.
The high-precision displacement sensor monitors the driving stroke of the driving mechanism 1 in real time to obtain a real-time monitoring value of the corresponding cutting edge clearance, and then the real-time monitoring value of the high-precision displacement sensor is used for adjusting the cutting edge clearance of the transverse shears, so that the cutting edge clearance is quantitatively adjusted, and meanwhile, the labor and time are saved, and the production efficiency is improved.
In another preferred embodiment, the driving mechanism 1 comprises a driver 11 and a connecting rod 12, the driver 11 is provided with a high-precision displacement sensor for monitoring the stroke of the telescopic end of the driver 11, the driver 11 is in driving connection with the connecting rod 12 to drive the connecting rod 12 to advance or retreat along the axial direction, the first end of the swinging rod 5 is hinged with the connecting rod 12, and the driving stroke of the driving mechanism 1 monitored by the high-precision displacement sensor at this time is the stroke of the telescopic end of the driver 11.
When the driver 11 drives the connecting rod 12 to advance, and the limit driving unit 6 is in a closed state, the swing rod 5 is driven to swing towards a first direction through the hinged relation of the connecting rod 12 and the swing rod 5, and then the screw rod of the screw rod nut pair 2 is driven to rotate clockwise to advance, the right end part of the screw rod nut pair 2 is extended and then abuts against the left side of the upper knife assembly 3, then the upper knife assembly 3 is driven to move forwards continuously until reaching a preset position (such as the first position), the driver 11 stops driving the connecting rod 12, the upper knife assembly 3 stops advancing subsequently, then the limit driving unit 6 is switched from the closed state to the open state, so that the telescopic end of the limit driving unit 6 extends out and abuts against the right side of the upper knife assembly 3, then the upper knife assembly 3 is driven to abut against the screw rod of the screw rod nut pair 2 continuously, the upper knife assembly 3 is fixed to not move any more, and then the shearing edge gap of the transverse shearing blade is adjusted to a preset value matched with the thickness of the strip steel.
When the driver 11 drives the connecting rod 12 to retreat, the limit driving unit 6 is switched to a closed state, the swing rod 5 is driven to swing towards a second direction opposite to the first direction through the hinged relation of the connecting rod 12 and the swing rod 5, the screw rod of the screw-nut pair 2 retreats in a counterclockwise direction, the right end part of the screw rod of the screw-nut pair 2 is far away from the upper blade assembly 3 until reaching a preset position (such as the second position), the driver 11 stops driving the connecting rod 12, then the limit driving unit 6 is switched to an open state again from the closed state, so that the telescopic end of the limit driving unit 6 stretches out and abuts against the right side of the upper blade assembly 3, and then the upper blade assembly 3 is continuously pushed to abut against the screw rod again to fix the upper blade assembly 3 so as to realize the position locking of the upper blade assembly 3, and the shearing edge gap of the transverse shearing is adjusted to a preset value matched with the thickness of other strip steel again.
In another preferred embodiment, the shearing blade gap adjusting device of the transverse shears further comprises a frame 7, the upper blade assembly 3 is slidably assembled on the frame 7, and the driver 11, the limit driving unit 6 and the nuts of the screw-nut pair 2 are fixedly assembled on the frame 7.
More specifically, the screw-nut pair 2 includes a screw 21 and a limit nut 22, the limit nut 22 is a nut of the screw-nut pair 2, one end of the screw 21 (i.e. the left end of the screw 21) is fixedly connected with the second end of the swing rod 5, and the other end of the screw 21 (i.e. the right end of the screw 21) passes through the limit nut 22.
Through the sliding connection between the upper cutter assembly 3 and the frame 7, the upper cutter assembly 3 can slide back and forth on the frame 7 under the action of external force (namely, the screw rod 21 applies thrust in the right direction to the upper cutter assembly 3 or the telescopic end of the limit driving unit 6 applies thrust in the left direction to the upper cutter assembly 3).
The screw rod 21 can respectively rotate and move in the limit nut 22 clockwise or anticlockwise through the screw joint cooperation between the screw rod 21 and the limit nut 22 fixed on the frame 7, so as to realize the rotary advancing or rotary retreating of the screw rod 21 on the frame 7.
Further preferably, the upper blade assembly 3 includes an upper blade holder 32 and an upper blade 31, the upper blade 31 is fixed on the upper blade holder 32, the upper blade holder 32 is slidably mounted on the frame 7, and the upper blade holder 32 is located between the screw 21 and the limit driving unit 6.
The upper cutter holder 32 is moved to a preset position to be fixed or locked through the mutual matching of the screw rod 21 and the telescopic end of the limit driving unit 6, so that the position of the upper cutting edge 31 on the upper cutter holder 32 is locked, and the adjustment of the gap between the upper cutting edge and the lower cutting edge of the transverse shear is realized to match strip steel products with corresponding thickness.
Further preferably, an abutting groove 321 is formed on the outer side wall of the upper tool holder 32, and is matched with the end part of the screw 21, which is away from the swing rod 5.
The abutting groove 321 of the upper tool apron 32 is a contact point matched with the end part of the screw rod 21, which is far away from the swing rod 5, and the screw rod 21 is tightly abutted by the contact point of the upper tool apron 32, so that the moving distance of the upper tool apron 32 pushed by the screw rod 21 is more accurate, and the stability of the adjustment precision of the clearance of the shearing edge is improved.
In another preferred embodiment, the limit driving unit 6 is a plunger cylinder, and a piston rod of the plunger cylinder drives the upper cutter assembly 3 to move along the width direction of the upper cutter assembly 3 so as to enable the upper cutter assembly 3 to abut against a screw rod (i.e. a screw rod 21) of the screw-nut pair 2, so as to lock the upper cutter assembly 3.
In particular, the actuator 11 is a hydraulic cylinder equipped with a high-precision displacement sensor for monitoring the stroke of the piston rod of the hydraulic cylinder, the piston rod of the actuator 11 being fixedly mounted on the connecting rod 12.
When the driver 11 is fixedly assembled on the frame 7, one end of the connecting rod 12, which is away from the driver 11, is hinged with the first end of the swinging rod 5 through pin shaft connection, and then the second end of the swinging rod 5, which is away from the connecting rod 12, is fixedly assembled with the left end of the screw rod 21 through bolt connection, and the driver 11 and the connecting rod 12 are positioned above the upper tool apron 32.
Still be equipped with first bush (not shown) and second bush (not shown) fixedly in the frame 7, stop nut 22 is located first bush with between the second bush, the lead screw 21 deviates from the one end of pendulum rod 5 (i.e. the right-hand member of lead screw 21) and wears to establish first bush, stop nut 22 and second bush in proper order to make the lead screw 21 can more firm rotation in frame 7, in order to reduce the rocking range of lead screw 21, and then improve the lead screw 21 and follow the ascending stability of removal on the upper blade holder 32 slip direction on frame 7, be favorable to increasing the stability of the regulation precision in shear blade clearance.
Under the mutual cooperation of the screw 21 and the limit drive unit 6, the upper tool holder 32 slides between the second bushing and the limit drive unit 6.
Of course, the drive 11 may also be a drive assembly consisting of a servomotor and a cooperating transmission unit, which is equipped with a high-precision displacement sensor for monitoring the drive stroke of the drive assembly, so that the pendulum 5 can also be driven to oscillate.
Also, the limit driving unit 6 may be a limit screw, which is screwed on the frame 7, and whose end abuts on the right side of the upper blade assembly 3 to cooperatively lock the position of the upper blade assembly 3.
In another preferred embodiment, the blade clearance adjusting device of the transverse shears further comprises a lifting unit 8, the lower blade assembly 4 comprises a lower blade holder 41 and a lower blade 42, the lower blade 42 is fixed on the lower blade holder 41, the upper blade assembly 3 corresponds to the lower blade assembly 4, and the lifting unit 8 is in driving connection with the lower blade holder 41 so as to drive the lower blade holder 41 to lift and lower (i.e. move in an up-down direction).
In specific implementation, the lifting unit 8 is a shearing hydraulic cylinder, the shearing hydraulic cylinder is fixedly assembled on the frame 7, the lower cutter holder 41 is fixedly assembled on a piston rod of the shearing hydraulic cylinder, and the lower cutter holder 41 is driven by the piston rod of the shearing hydraulic cylinder to lift and move along with the lower shearing blade 42 and cooperate with the upper cutter assembly 3 so as to apply shearing force to the strip steel product and cut off the strip steel product.
In another preferred embodiment, the number of the swing rods 5 and the number of the matched screw nut pairs 2 are two, the first ends of the two swing rods 5 are respectively hinged to the driving mechanism 1, the second ends of the two swing rods 5 are respectively and fixedly connected with the corresponding two screw nut pairs 2, and the two screw nut pairs 2 are both positioned on the same side of the upper cutter assembly 3, which is away from the limiting driving unit 6.
If the length of the upper blade holder 32 of the cutting edge clearance adjusting device of the transverse shears in the direction parallel to the length direction of the upper blade assembly 3 is long, the number of the drivers 11 and the connecting rods 12 in the driving mechanism 1 is 1, the two screw-nut pairs 2 are respectively provided with two screw rods 21 and matched limit nuts 22, the length of the connecting rods 12 is matched with the length of the upper blade holder 32, and the front part and the rear part of the same connecting rod 12 are respectively hinged through the two swing rods 5, so that the synchronous swing of the two swing rods 5 is realized.
The two swinging rods 5 swinging synchronously drive the two screw rods 21 to rotate by the same angle, so that the upper tool apron 32 is prevented from deflecting by a certain amplitude when moving in the frame 7, and the adjustment precision of the clearance of the shearing edge is prevented from being influenced.
Of course, the number of the swing rods 5 and the number of the matched screw-nut pairs 2 corresponding to the same connecting rod 12 are not limited to this, for example, 1 connecting rod 12 corresponds to 1 swing rod 5 and 1 matched screw-nut pair 2, or 1 connecting rod 12 corresponds to 3 swing rods 5 and 3 matched screw-nut pairs 2, and the like, so that the adjustment of the clearance of the shearing blade can also be realized.
Therefore, the number of the swing rods 5 and the number of the matched screw-nut pairs 2 are determined according to the structure of the upper cutter assembly 3 used on site.
Example two
The second embodiment provides a transverse cutting device, which at least comprises the above-mentioned device for adjusting the gap between the cutting edges of the transverse cutting device, so as to realize rapid identification and adjustment of the gap between the cutting edges of the transverse cutting device, so as to improve the service lives of the upper cutting edge 31 and the lower cutting edge 42, and improve the quality of the cuts of the transverse section of the strip steel product, so as to produce the steel product with better edge cutting quality.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A shear blade clearance adjustment device of transverse shear is characterized in that: the device comprises a driving mechanism, a limiting driving unit, a swing rod, a screw-nut pair, an upper cutter assembly and a lower cutter assembly matched with the upper cutter assembly;
the screw-nut pair and the limit driving unit are respectively arranged at two sides of the upper cutter assembly in the width direction; the nuts of the screw-nut pair are fixedly arranged;
the driving mechanism is provided with a high-precision displacement sensor for monitoring the driving stroke of the driving mechanism, the first end of the swing rod is hinged with the driving mechanism, the second end of the swing rod is fixedly connected with the screw rod of the screw rod nut pair so as to drive the screw rod of the screw rod nut pair to rotate in the nut of the screw rod nut pair, and further the screw rod of the screw rod nut pair is propped against or separated from the upper cutter assembly;
the driving end of the limiting driving unit corresponds to the upper cutter assembly so as to drive the upper cutter assembly to abut against the screw rod of the screw rod nut pair.
2. The shear blade gap adjustment device of a shear as claimed in claim 1, wherein: the driving mechanism comprises a driver and a connecting rod, wherein the driver is provided with a high-precision displacement sensor for monitoring the stroke of a telescopic end of the driver, and the driver is in driving connection with the connecting rod so as to drive the connecting rod to advance or retreat along the axial direction of the connecting rod; the first end of the swing rod is hinged with the connecting rod.
3. The shear blade gap adjustment device of a shear as claimed in claim 2, wherein: the upper cutter assembly is slidably assembled on the frame, and the driver, the limit driving unit and nuts of the screw-nut pair are fixedly assembled on the frame.
4. A shear blade clearance adjustment device for a shear as claimed in claim 3, wherein: the upper cutter assembly comprises an upper cutter holder and an upper cutter blade, the upper cutter blade is fixed on the upper cutter holder, the upper cutter holder is assembled on the frame in a sliding mode, and the upper cutter holder is located between the screw rod of the screw rod nut pair and the limit driving unit.
5. The shear blade gap adjustment device of a shear as claimed in claim 4, wherein: the outer side wall of the upper tool apron is provided with an abutting groove which is matched with the end part of the screw rod nut pair, which is away from the swing rod.
6. A shear blade clearance adjustment device for a shear as claimed in claim 3, wherein: the screw-nut pair comprises a screw rod and a limit nut, wherein the limit nut is a nut of the screw-nut pair, one end of the screw rod is fixedly connected with the second end of the swing rod, and the other end of the screw rod penetrates through the limit nut.
7. The shear blade gap adjustment device of a shear as claimed in claim 1, wherein: the limiting driving unit is a plunger cylinder, and a piston rod of the plunger cylinder drives the upper cutter assembly to move upwards along the width direction of the upper cutter assembly so as to enable the upper cutter assembly to abut against a screw rod of the screw rod nut pair.
8. The shear blade gap adjustment device of a shear as claimed in claim 1, wherein: the lifting unit is in driving connection with the lower cutter seat so as to drive the lower cutter seat to lift and descend.
9. The shear blade gap adjustment device of a shear as claimed in claim 1, wherein: the number of the swinging rods and the number of the matched screw-nut pairs are two, the first ends of the two swinging rods are respectively hinged to the driving mechanism, the second ends of the two swinging rods are respectively and fixedly connected with the corresponding two screw-nut pairs, and the two screw-nut pairs are located on the same side of the upper cutter assembly, which is away from the limiting driving unit.
10. A crosscut shearing device, characterized in that: a shear blade gap adjustment device comprising at least a crosscut shear according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321911519.6U CN220515565U (en) | 2023-07-19 | 2023-07-19 | Cutting edge clearance adjusting device of transverse cutting shears and transverse cutting shearing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321911519.6U CN220515565U (en) | 2023-07-19 | 2023-07-19 | Cutting edge clearance adjusting device of transverse cutting shears and transverse cutting shearing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220515565U true CN220515565U (en) | 2024-02-23 |
Family
ID=89930145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321911519.6U Active CN220515565U (en) | 2023-07-19 | 2023-07-19 | Cutting edge clearance adjusting device of transverse cutting shears and transverse cutting shearing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220515565U (en) |
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2023
- 2023-07-19 CN CN202321911519.6U patent/CN220515565U/en active Active
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