CN204053095U - Automatic reliable shear blade clearance adjustment mechanism and shearing machine - Google Patents
Automatic reliable shear blade clearance adjustment mechanism and shearing machine Download PDFInfo
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- CN204053095U CN204053095U CN201420509847.8U CN201420509847U CN204053095U CN 204053095 U CN204053095 U CN 204053095U CN 201420509847 U CN201420509847 U CN 201420509847U CN 204053095 U CN204053095 U CN 204053095U
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Abstract
The utility model provides an automatic and reliable shear blade gap adjusting mechanism and a shearing machine, wherein the automatic and reliable shear blade gap adjusting mechanism comprises two movable wedges (11), two fixed wedges (9) fixedly connected with a frame (15) of the shearing machine and a lifting device used for lifting the movable wedges (11); the lifting device is connected with a gap detection device (2) capable of detecting the displacement of the movable wedge (11). The automatic and reliable shear blade gap adjusting mechanism and the shearing machine are convenient to overhaul, maintain and replace in actual production. The mechanism is mainly characterized in that zero-clearance adjustment can be realized, the change of the clearance value in the adjustment process is stable and uniform, electric and mechanical double readings are realized simultaneously, the clearance value is truly reflected, mechanical protection is carried out on two limit positions, and the phenomena that the clearance reading is inaccurate or fails, the shearing quality is influenced and accidents are caused due to the fault of an electric system are prevented.
Description
Technical field
The utility model relates to technical field of metallurgical equipment, particularly a kind of reliable shear blade gap adjusting mechanism automatically, or a kind of cutter containing this automatic shear blade gap adjusting mechanism reliably.
Background technology
In shearing equipment technical field, want to obtain good shearing area, rational gap width is necessary.Therefore, most shearing machine is all furnished with shear blade gap adjusting mechanism, and the structure of clearance adjustment mechanism has a variety of, is mainly divided into manual adjustments type and automatic regulation type.Manual adjustments type, due to inefficiency, is mainly used in shearing the shearing machine that rhythm is low, less demanding to shearing quality, type configuration is lower.When current shearing quality is raised day by day, the adjusting device of type hand is progressively eliminated.And automatic regulation type clearance adjustment mechanism is high, easy to adjust due to its automaticity, meet the actual features that current steel grade specification is changeable, be widely used in shearing machine clearance adjustment mechanism.
At present, possess the shearing machine mechanism of automatic regulating gap function, mainstream configuration is reducing motor, lift, pairing wedge, encoder, electrically to be converted blade clearance value by encoder to count.And the configuration of wedge often more complicated, compare in the middle of production and be difficult to safeguard and change; And lift exists idle stroke in rotating steering procedure, cause gap adjusted value to there is error, actual gap width can not be reflected really by encoder; The uncertain factors such as in the adjustment process of gap, rely on electrically carry out fed back values completely, ubiquity throws switch, and reading is abnormal; Be in course of adjustment, extreme position is also rely on electrically to ensure completely, blade clearance is excessive, too small all can affect the quality problems being sheared part, especially when least limit position, the gap width of upper and lower cutting edge only has a few tenths of a mm, independent dependence electrically controls to become very unstable, very easily there is gap width and become negative value, cause the generation of upper and lower cutting edge tipping major accident.
Utility model content
In order to solve the large problem of existing shear blade gap adjusting mechanism gap alignment error.The utility model provides a kind of reliable shear blade gap adjusting mechanism and cutter automatically, this automatic shear blade gap adjusting mechanism and cutter reliably convenient maintenance, maintenance and replacing in actual production.The principal character of this mechanism can realize zero-clearance to regulate; adjustment process intermediate gap value vary stable, evenly; and realize electric and mechanical dual sense simultaneously; true reflection gap width; and mechanical protection is carried out to two limit positions; prevent because electrical malfunction causes gap read untrue or malfunctioning, the generation affecting shearing quality and cause the accident.
The utility model is the technical scheme solving the employing of its technical problem: a kind of reliable shear blade gap adjusting mechanism automatically, the lowering or hoisting gear comprising two mobile wedges, two fixing wedges be fixedly connected with the frame of cutter and be elevated for mobile wedge; Containing two the first inclined-planes be parallel to each other in fixing wedge, containing two the first vertical planes be parallel to each other in mobile wedge, mobile wedge is outward containing two the second inclined-planes be parallel to each other, second inclined-plane contacts with the first inclined-plane is corresponding, this lowering or hoisting gear is connected with mobile wedge by pull rod device, the axis being parallel of pull rod device is in the first inclined-plane, this lowering or hoisting gear can make mobile wedge slide up and down along the incline direction on the first inclined-plane, this lowering or hoisting gear is connected with the gap detection device that can detect mobile wedge displacement.
This lowering or hoisting gear is positioned at the top of fixing wedge and mobile wedge, this lowering or hoisting gear is fixed on the mounting bracket that is fixedly connected with frame, this lowering or hoisting gear comprises reducing motor and two lifts, all containing lift leading screw in each lift, the lower end of lift leading screw is fixedly connected with the upper end of pull rod device, and reducing motor can drive the lift leading screw of lift to slide up and down along the incline direction on the first inclined-plane.
Also containing worm gear and worm screw in lift, lift leading screw is plugged in worm gear, the output shaft of reducing motor is connected by the worm screw of connecting axle with two lifts, and worm screw can drive worm gear wheel, and worm gear can drive lift leading screw to slide up and down along the incline direction on the first inclined-plane.
Gap detection device is arranged on a lift, gap detection device comprises magnet ring, displacement transducer and connecting rod, the axis of connecting rod and the axis being parallel of lift leading screw, the upper end of connecting rod is provided with the hole offered vertically, magnet ring is arranged in this hole, the lower end of connecting rod is fixedly connected with the upper end of lift leading screw, and displacement transducer is relative with the position of mounting bracket fixing, and the pressure outer tube of displacement transducer is plugged in magnet ring.
Another lift is provided with gap mechanical display devices, gap mechanical display devices comprises scale and tooth bar, the lower end of this tooth bar is fixedly connected with the upper end of lift leading screw, the axis being parallel of this tooth bar and lift leading screw, the needle pivot of scale is fixedly connected with gear, this gear is arranged on the dial plate back side of scale, and this gear engages with this tooth bar.
Pull rod device comprises the upper jaw, the first cylinder lever connecting rod, positive/negative thread pull bar, the second cylinder lever connecting rod and the lower jaw that are threaded connection successively from the top down, upper jaw is fixedly connected with this elevating endless screw with bearing pin by upper homalocephalus, and lower jaw is fixedly connected with mobile wedge with bearing pin by lower homalocephalus.
Upper jaw and lower jaw are equipped with internal thread, and the two ends of the first cylinder lever connecting rod and the second cylinder lever connecting rod are equipped with external screw thread, and the two ends of positive/negative thread pull bar are respectively equipped with levogyrate inner thread and dextrorotation internal thread.
Described reliable shear blade gap adjusting mechanism automatically also comprises limit protection device, limit protection device comprises the bracing frame be set in outside positive/negative thread pull bar, the bracing frame of tubular is fixedly connected with frame, annular projection is provided with in bracing frame, two ring springs and two clamping sleeves, two ring springs and two clamping sleeves are arranged on the both sides up and down of this annular projection respectively, ring spring is set in outside clamping sleeve, upper outside flange is provided with outside the upper end being positioned at the clamping sleeve of the upside of this annular projection, on this, the external diameter of outward flange is greater than the internal diameter of ring spring, lower outside flange is provided with outside the lower end being positioned at the clamping sleeve of the downside of this annular projection, the external diameter of this lower outward flange is greater than the internal diameter of ring spring, the first round nut and the second round nut is respectively equipped with outside the two ends up and down of bracing frame, first round nut is all fixedly connected with positive/negative thread pull bar with the second round nut, the external diameter of the first round nut and the second round nut is less than the internal diameter of gland.
Be provided with the first locking nut outside the upper end of the first round nut, be provided with the second locking nut outside the lower end of the second round nut, the first round nut, the second round nut, the first locking nut are all connected with positive/negative thread pull rod screw with the second locking nut.
A kind of cutter, containing above-mentioned automatically reliable shear blade gap adjusting mechanism, this cutter is also containing knife rest, the two ends of knife rest are embedded in two mobile wedges respectively, the lower end of this knife rest is provided with upper scissor blade, the below of upper scissor blade is provided with the lower scissor blade be fixedly connected with the frame of this cutter, and the direction that this knife rest can be parallel to the first vertical plane moves up and down.
The beneficial effects of the utility model are: this automatic shear blade gap adjusting mechanism and cutter mechanism are reliably configured with gap detection device, and it is by displacement transducer direct-detection wedge position, and accuracy of detection improves; The gap mechanical display devices configured directly shows gap width by pointer, can supply artificial reference, directly perceived in the adjustment process of gap, reliable and stable; The limit protection device configured ensures maximum, the minimum clearance of cutting edge by mechanical device, can avoid because electrical malfunction causes the generation of upper lower scissor blade tipping accident.Compared with prior art, gap width can realize automatic adjustment to the utility model, and guiding mechanism is simple, easy to adjust, Adjustment precision is high; The limit protection device novel structure configured, safe and reliable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, reliable shear blade gap adjusting mechanism and cutter automatically described in the utility model are described in further detail.
Fig. 1 is the schematic perspective view of shear blade gap adjusting mechanism reliably automatically.
Fig. 2 is the front view of shear blade gap adjusting mechanism reliably automatically.
Fig. 3 is the generalized section along A-A direction in Fig. 2.
Fig. 4 is the generalized section along B-B direction in Fig. 2.
Fig. 5 is the enlarged drawing at A position in Fig. 4.
Fig. 6 is the enlarged drawing at B position in Fig. 4.
Fig. 7 is the schematic diagram of lift.
Wherein 1. gap mechanical display devices,
2. gap detection device, 201. displacement transducers, 202. displacement transducer mounting brackets, 203. magnet rings, 204. connecting rods, 205. pressure outer tubes, 206. scales;
3. limit protection device, 301. bracing frames, 302. ring springs, 303. clamping sleeves, 304. glands, 305. first round nuts, 306. second round nuts, outward flange on 307., 308. times outward flanges;
4. pull rod device, 401. positive/negative thread pull bars, 402. first cylinder lever connecting rods, jaw on 403., 404. first locking nuts, 406. second locking nuts, 407. times jaws, 408. bearing pins, 409. second cylinder lever connecting rods;
5. mounting bracket, 6. reducing motor, 7. connecting axle, 8. lift, 81. lift leading screws, 82. lift worm gears, 83. lift worm screws, 10. lift bearing, 11. move wedge, 12. knife rests, 13. upper scissor blades, 14. lower scissor blades, 15. frames;
9. fixing wedge, 901. first fixing wedges, 902. second fixing wedges;
91. first inclined-planes, 111. first vertical planes, 112. second inclined-planes.
Detailed description of the invention
Below in conjunction with accompanying drawing, reliable shear blade gap adjusting mechanism automatically described in the utility model is described in further detail.A kind of reliable shear blade gap adjusting mechanism automatically, comprises the fixing wedge 9 that two mobile wedges 11, two are fixedly connected with the frame 15 of cutter and the lowering or hoisting gear be elevated for mobile wedge 11, containing two the first inclined-planes 91 be parallel to each other in fixing wedge 9, containing two the first vertical planes 111 be parallel to each other in mobile wedge 11, mobile wedge 11 is outer containing two the second inclined-planes 112 be parallel to each other, second inclined-plane 112 contacts with the first inclined-plane 91 is corresponding, two mobile wedges 11 are embedded in two fixing wedges 9 respectively, second inclined-plane 112 and the first inclined-plane 91 Corresponding matching, this lowering or hoisting gear is fixedly connected with mobile wedge 11 by pull rod device 4, the axis being parallel of pull rod device 4 is in the first inclined-plane 91, namely the axis of pull rod device 4 is also obliquely installed, this lowering or hoisting gear can make mobile wedge 11 slide up and down along the incline direction on the first inclined-plane 91, this lowering or hoisting gear is connected with the gap detection device 2 that can detect the displacement of mobile wedge 11, as shown in Figures 1 to 4.
This lowering or hoisting gear is positioned at the top of fixing wedge 9 and mobile wedge 11, this lowering or hoisting gear is fixed on the mounting bracket 5 that is fixedly connected with frame 15, this lowering or hoisting gear comprises reducing motor 6 and two lifts 8, all containing lift leading screw 81 in each lift 8, the lower end of lift leading screw 81 is fixedly connected with the upper end of pull rod device 4, and reducing motor 6 can drive the lift leading screw 81 of lift 8 to slide up and down along the incline direction on the first inclined-plane 91.
Also containing worm gear 82 and worm screw 83 in lift 8, lift leading screw 81 is plugged in worm gear 82, lift leading screw 81 is threaded with worm gear 82, the output shaft of reducing motor 6 is connected with the worm screw 83 of two lifts 8 by connecting axle 7, worm screw 83 can drive worm gear 82 to rotate, worm gear 82 can drive lift leading screw 81 to slide up and down along the incline direction on the first inclined-plane 91, as shown in figure 5 and figure 7.
Reducing motor 6 is connected with the worm screw 83 of lift 8 by connecting axle 7, after reducing motor 6 rotates, the worm screw 83 of lift 8 is driven to rotate through connecting axle 7, this worm screw 83 drives worm gear 82 to rotate again, thus complete the rectilinear motion of lift leading screw 81 along the incline direction on the first inclined-plane 91, namely reducing motor 6 is driven by connecting axle 7 and the lift leading screw 81 of two lifts 8 slides up and down along the incline direction on the first inclined-plane 91.Thus achieve lift 8 and drive mobile wedge 11 knee-action by pull rod device 4, be two parallel vertical sliding surfaces inside mobile wedge 11, knife rest 12 can move up and down along it, be two parallel inclined-planes outside mobile wedge 11, inside frame 15, respectively there is a fixing wedge 9 both sides, the inner side of fixing wedge 9 is two parallel inclined-planes, the inclined-plane parallel with mobile wedge 11 matches, mobile wedge 11 moves along the oblique sliding surface of fixing wedge 9 under the driving of lift 8, knife rest 12 is made to have displacement in the horizontal direction, upper scissor blade 13 is fixed on knife rest 12, lower scissor blade 14 maintains static, thus realize upper scissor blade 13, the adjustment in the gap of horizontal direction between lower scissor blade 14.
Reducing motor 6 is arranged on mounting bracket 5, and lift 8 is arranged on lift bearing 10, and lift bearing 10 is also fixed on mounting bracket 5, and mounting bracket 5 is fixed on frame 15 top.In addition, fixing wedge 9 is made up of the first fixing wedge 901 and the second fixing wedge 902, first fixing wedge 901 is directly welded on inside frame 15, and the second fixing wedge 902 is knockdown pieces, and the second fixing wedge 902 is put together in the first fixing wedge 901 and frame 15 by bolt and key.
Gap detection device 2 is arranged on a lift 8, gap detection device 2 comprises magnet ring 203, displacement transducer 201 and connecting rod 204, the axis of connecting rod 204 and the axis being parallel of lift leading screw 81, the upper end of connecting rod 204 is provided with the hole offered vertically, magnet ring 203 is arranged in this hole, the lower end of connecting rod 204 is fixedly connected with the upper end of lift leading screw 81, displacement transducer 201 is relative with the position of mounting bracket 5 fixing, the pressure outer tube 205 of displacement transducer 201 is plugged in magnet ring 203, pressure outer tube 205 is the elements for sensing magnet ring 203, as shown in Figure 5.The magnetostrictive displacement sensor that displacement transducer 201 is produced for American MTS company, magnet ring 203 is the auxiliary products with this magnetostrictive displacement sensor, and namely displacement transducer 201 and magnet ring 203 are existing commercially available prod.
The advantage of this gap detection device 2 is that it moves the position of wedge by displacement transducer 201 direct-detection, thus accurately can draw the actual gap value of cutting edge, avoids and adopts encoder to count at present, because of the error that idle stroke that lift is forward and reverse causes.Displacement transducer 201 is arranged on displacement transducer mounting bracket 202, and displacement transducer mounting bracket 202 is fixed on lift bearing 10.Be connected with the top of lift leading screw 81 bottom connecting screw rod 204, with rising lift leading screw 81 action, magnet ring 203 is fixed on connecting screw rod 204 inside top, connecting screw rod 204 inside is hollow, for holding the inductive head of displacement transducer 201, magnet ring 203 action is driven when lift 8 moves, this cutter is also containing control unit and display unit, displacement transducer 201 is all connected with this control unit with this display unit, displacement transducer 201 can draw the positional information of mobile wedge 11 according to magnet ring 203 position, the positional information of the mobile wedge 11 recorded can be supplied to this control unit by displacement transducer 201, this control unit calculates mobile wedge 11 in side-play amount that is vertical and horizontal direction according to the relation between the initial position of mobile wedge 11 and final position, and calculate the actual gap value of cutting edge further, the actual gap value of cutting edge is transferred to display unit by this control unit again, this gap width is shown by this display unit.
Another lift 8 is provided with gap mechanical display devices 1, gap mechanical display devices 1 comprises scale 206 and tooth bar, the lower end of this tooth bar is fixedly connected with the upper end of lift leading screw 81, the axis being parallel of this tooth bar and lift leading screw 81, the needle pivot of scale 206 is fixedly connected with gear, this gear is arranged on the dial plate back side of scale 206, and this gear engages with this tooth bar, and this scale is relative with the position of mounting bracket 5 fixing.This tooth bar and this gears meshing can be made after lift leading screw 81 moves up and down to rotate, thus the pointer of scale 206 is rotated together, the moving displacement of this tooth bar just can reflect on the dial plate of scale 206, and namely this scale 206 can measure and show the axial displacement of lift leading screw 81 and pull rod device 4.The major function of gap mechanical display devices 1 directly can read gap width by the reading of the pointer of scale, relatively more directly perceived in actual production, directly observes when being convenient to practical operation.Especially, when electrical equipment breaks down, can play a key effect.
Pull rod device 4 comprises upper jaw 403, first cylinder lever connecting rod 402, positive/negative thread pull bar 401, second cylinder lever connecting rod 409 and the lower jaw 407 that are threaded connection successively from the top down, upper jaw 403 is fixedly connected with this elevating endless screw with bearing pin 408 by upper homalocephalus, lower jaw 407 is fixedly connected with mobile wedge 11 with bearing pin 408 by lower homalocephalus, as shown in Figure 4.
Upper jaw 403 and lower jaw 407 are equipped with internal thread, and the two ends of the first cylinder lever connecting rod 402 and the second cylinder lever connecting rod 409 are equipped with external screw thread, and the two ends of positive/negative thread pull bar 401 are respectively equipped with levogyrate inner thread and dextrorotation internal thread.This pull rod device 4 has the convenient function of installing, conveniently adjusting.The length of whole pull rod device 4 can be rotated by positive/negative thread pull bar 401 adjust realization, during forward and reverse rotations of positive/negative thread pull bar 401, can realize the position of mobile wedge 11 in whole mechanism and adjust.For preventing pull rod device 4 length variations in use from causing blade clearance value change, by 2 locking nuts, the position of positive/negative thread pull bar 401 is fixed.
Described reliable shear blade gap adjusting mechanism automatically also comprises limit protection device 3, limit protection device 3 comprises the bracing frame 301 be set in outside positive/negative thread pull bar 401, the bracing frame 301 of tubular is fixedly connected with frame 15, annular projection is provided with in bracing frame 301, two ring springs 302 and two clamping sleeves 303, two ring springs 302 and two clamping sleeves 303 are arranged on the both sides up and down of this annular projection respectively, ring spring 302 is set in outside clamping sleeve 303, upper outside flange 307 is provided with outside the upper end being positioned at the clamping sleeve 303 of the upside of this annular projection, on this, the external diameter of outward flange 307 is greater than the internal diameter of ring spring 302, lower outside flange 308 is provided with outside the lower end being positioned at the clamping sleeve 303 of the downside of this annular projection, the external diameter of this lower outward flange 308 is greater than the internal diameter of ring spring 302, the first round nut 305 and the second round nut 306 is respectively equipped with outside the two ends up and down of bracing frame 301, first round nut 305 is all fixedly connected with positive/negative thread pull bar 401 with the second round nut 306, the external diameter of the first round nut 305 and the second round nut 306 is less than the internal diameter of bracing frame 301.The two ends of bracing frame 301 are provided with the internal diameter being less than gland 304 for annular gland 304, first round nut 305 of stationary annular spring 302 and the external diameter of the second round nut 306.
The first locking nut 404 is provided with outside the upper end of the first round nut 305, the second locking nut 406, first round nut 305, second round nut 306, first locking nut 401 is provided with and the second locking nut 406 is all threaded with positive/negative thread pull bar 401 outside the lower end of the second round nut 306.
The Main Function of limit protection device 3 is for carrying out mechanical protection to maximum, the least limit position of this lash adjusting device.The electronic mode of employing is controlled and adopts electrical equipment to carry out detecting and feed back the setting carrying out gap width; often can there is the phenomenon lost efficacy in electrical equipment, this device can avoid the major accident causing upper and lower cutting edge to shear mutually because electrical equipment lost efficacy to occur by the impact of surrounding enviroment.Specifically; this limit protection device 3 is fixedly mounted in frame 15; namely be fixed in frame 15 by bracing frame 301; ring spring 302 is equipped with in bracing frame 301 inside; outside is provided with clamping sleeve 303; be provided with gland 304 in the outermost of bracing frame 301, gland 304 and bracing frame 301 are bolted closing.Its operation principle realizes like this, first round nut 305 and the second round nut 306 are arranged on the positive/negative thread pull bar 401 of pull rod device 4, move up and down with positive/negative thread pull bar 401, when the first round nut 305 through gland 304 move to fit with the end face of the clamping sleeve 303 of upside time, limit protection device 3 starts to work, first round nut 305 extrudes the outer surface (namely going up outward flange) of clamping sleeve 303, clamping sleeve 303 outer surface contacts with ring spring 302, continue in motion, ring spring 302 is extruded the diametric expansion of rear generation, namely the internal diameter of ring spring 302 diminishes external diameter change greatly, until the diametric(al) of ring spring 302 is fitted with clamping sleeve 303 outer surface and bracing frame 301 inner surface respectively, then ring spring 302 radially extrudes clamping sleeve 303 and the internal diameter of clamping sleeve 303 (clamping sleeve 303 internal diameter after being subject to radial power diminishes) is diminished, thus relative fixing (locking) that realize between clamping sleeve 303 with positive/negative thread pull bar 401, now, first round nut 305 is also forced to stop motion, thus the mechanical protection that realizes this mechanism downward, otherwise pull rod device 4 moves upward, one of this mechanism mechanical protection upwards can be realized.Because ring spring 302 can play cushioning effect in deformation process, therefore when closing on limit mechanical position, the worm gear of lift 8 and worm screw can not be stuck suddenly.The position of limit protection can be decided in the position of pull rod device 4 by adjustment first locking nut 404, first round nut 305, second locking nut 406 and the second round nut 306.The utility model arranges 2 round nuts in each pull rod device 4, protects respectively, as shown in Figure 6 to maximum, the least limit position of this mechanism.
A kind of cutter, this cutter contains above-mentioned automatically reliable shear blade gap adjusting mechanism, this cutter is also containing knife rest 12, the two ends of knife rest 12 are embedded in two mobile wedges 11 respectively, the lower end of this knife rest 12 is provided with upper scissor blade 13, the below of upper scissor blade 13 is provided with the lower scissor blade 14 be fixedly connected with the frame 15 of this cutter, and the direction that this knife rest 12 can be parallel to the first vertical plane 111 moves up and down.
Pull rod device and mobile wedge and lift axis layout in alignment, and for being in tilted layout, its angle of inclination is consistent with the angle of inclination on cammed surface (the first inclined-plane), can ensure that the whole driving force of lift is all moved without other component for wedge when adjusting.
The range of tilt angles of described pull rod device and mobile wedge and lift axis is that (namely the range of tilt angles on the first inclined-plane is 1 ゜ ~ 10 ゜ to 1 ゜ ~ 10 ゜, the range of tilt angles being equivalent to vertical direction as the first inclined-plane in Fig. 3 is 1 ゜ ~ 10 ゜), actual angle of inclination can determine jointly according to gap width size and elevator travel.
Gap detection device, it is by the position of displacement transducer direct-detection wedge, thus truly can reflect the gap width of cutting edge, the automatic adjustment electrically realizing gap can be coordinated, avoid in the past due to lift rotating idle stroke caused by encoder feedback error.
The above; be only specific embodiment of the utility model, the scope of utility model enforcement can not be limited with it, so the displacement of its equivalent assemblies; or the equivalent variations to do according to the utility model scope of patent protection and modification, all still should belong to the category that this patent is contained.In addition, the technical characteristic in the utility model and all can using by independent assortment between technical characteristic, between technical characteristic and technical scheme, between technical scheme and technical scheme.
Claims (10)
1. an automatic shear blade gap adjusting mechanism reliably, it is characterized in that, described reliable shear blade gap adjusting mechanism automatically comprises two mobile wedges (11), two fixing wedges (9) be fixedly connected with the frame (15) of cutter and the lowering or hoisting gear be elevated for mobile wedge (11);
Containing two the first inclined-planes (91) be parallel to each other in fixing wedge (9), containing two the first vertical planes (111) be parallel to each other in mobile wedge (11), mobile wedge (11) is outward containing two the second inclined-planes (112) be parallel to each other, second inclined-plane (112) contacts with the first inclined-plane (91) are corresponding, this lowering or hoisting gear is connected with mobile wedge (11) by pull rod device (4), the axis being parallel of pull rod device (4) is in the first inclined-plane (91), this lowering or hoisting gear can make mobile wedge (11) slide up and down along the incline direction of the first inclined-plane (91), this lowering or hoisting gear is connected with the gap detection device (2) that can detect mobile wedge (11) displacement.
2. reliable shear blade gap adjusting mechanism automatically according to claim 1, it is characterized in that: this lowering or hoisting gear is positioned at the top of fixing wedge (9) and mobile wedge (11), this lowering or hoisting gear is fixed on the mounting bracket (5) that is fixedly connected with frame (15), this lowering or hoisting gear comprises reducing motor (6) and two lifts (8), all containing lift leading screw (81) in each lift (8), the lower end of lift leading screw (81) is fixedly connected with the upper end of pull rod device (4), reducing motor (6) can drive the lift leading screw (81) of lift (8) to slide up and down along the incline direction of the first inclined-plane (91).
3. reliable shear blade gap adjusting mechanism automatically according to claim 2, it is characterized in that: also containing worm gear (82) and worm screw (83) in lift (8), lift leading screw (81) is plugged in worm gear (82), the output shaft of reducing motor (6) is connected with the worm screw (83) of two lifts (8) by connecting axle (7), worm screw (83) can drive worm gear (82) to rotate, and worm gear (82) can drive lift leading screw (81) to slide up and down along the incline direction of the first inclined-plane (91).
4. reliable shear blade gap adjusting mechanism automatically according to claim 2, it is characterized in that: gap detection device (2) is arranged on a lift (8), gap detection device (2) comprises magnet ring (203), displacement transducer (201) and connecting rod (204), the axis of connecting rod (204) and the axis being parallel of lift leading screw (81), the upper end of connecting rod (204) is provided with the hole offered vertically, magnet ring (203) is arranged in this hole, the lower end of connecting rod (204) is fixedly connected with the upper end of lift leading screw (81), displacement transducer (201) is relative fixing with the position of mounting bracket (5), the pressure outer tube (205) of displacement transducer (201) is plugged in magnet ring (203).
5. reliable shear blade gap adjusting mechanism automatically according to claim 4, it is characterized in that: another lift (8) is provided with gap mechanical display devices (1), gap mechanical display devices (1) comprises scale (206) and tooth bar, the lower end of this tooth bar is fixedly connected with the upper end of lift leading screw (81), the axis being parallel of this tooth bar and lift leading screw (81), the needle pivot of scale (206) is fixedly connected with gear, this gear is arranged on the dial plate back side of scale (206), and this gear engages with this tooth bar.
6. reliable shear blade gap adjusting mechanism automatically according to claim 2, it is characterized in that: pull rod device (4) comprises the upper jaw (403), the first cylinder lever connecting rod (402), positive/negative thread pull bar (401), the second cylinder lever connecting rod (409) and the lower jaw (407) that are threaded connection successively from the top down, upper jaw (403) is fixedly connected with this elevating endless screw with bearing pin (408) by upper homalocephalus, and lower jaw (407) is fixedly connected with mobile wedge (11) with bearing pin (408) by lower homalocephalus.
7. reliable shear blade gap adjusting mechanism automatically according to claim 6, it is characterized in that: upper jaw (403) and lower jaw (407) are equipped with internal thread, the two ends of the first cylinder lever connecting rod (402) and the second cylinder lever connecting rod (409) are equipped with external screw thread, and the two ends of positive/negative thread pull bar (401) are respectively equipped with levogyrate inner thread and dextrorotation internal thread.
8. reliable shear blade gap adjusting mechanism automatically according to claim 6, it is characterized in that: described reliable shear blade gap adjusting mechanism automatically also comprises limit protection device (3), limit protection device (3) comprises and is set in positive/negative thread pull bar (401) bracing frame outward (301), the bracing frame (301) of tubular is fixedly connected with frame (15), bracing frame is provided with annular projection in (301), two ring springs (302) and two clamping sleeves (303), two ring springs (302) and two clamping sleeves (303) are arranged on the both sides up and down of this annular projection respectively, ring spring (302) is set in clamping sleeve (303) outward, upper outside flange is provided with outside the upper end being positioned at the clamping sleeve (303) of the upside of this annular projection, on this, the external diameter of outward flange is greater than the internal diameter of ring spring (302), lower outside flange is provided with outside the lower end being positioned at the clamping sleeve (303) of the downside of this annular projection, the external diameter of this lower outward flange is greater than the internal diameter of ring spring (302), the first round nut (305) and the second round nut (306) is respectively equipped with outside the two ends up and down of bracing frame (301), first round nut (305) is all fixedly connected with positive/negative thread pull bar (401) with the second round nut (306), the external diameter of the first round nut (305) and the second round nut (306) is less than the internal diameter of gland (304).
9. reliable shear blade gap adjusting mechanism automatically according to claim 8, it is characterized in that: outside the upper end of the first round nut (305), be provided with the first locking nut (404), be provided with the second locking nut (406) outside the lower end of the second round nut (306), the first round nut (305), the second round nut (306), the first locking nut (401) and the second locking nut (406) are all threaded with positive/negative thread pull bar (401).
10. a cutter, it is characterized in that, this cutter contains the automatically reliable shear blade gap adjusting mechanism any one of claim 1 ~ 9 described in claim, this cutter is also containing knife rest (12), the two ends of knife rest (12) are embedded in two mobile wedges (11) respectively, the lower end of this knife rest (12) is provided with upper scissor blade (13), the below of upper scissor blade (13) is provided with the lower scissor blade (14) be fixedly connected with the frame of this cutter (15), the direction that this knife rest (12) can be parallel to the first vertical plane (111) moves up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509847.8U CN204053095U (en) | 2014-09-05 | 2014-09-05 | Automatic reliable shear blade clearance adjustment mechanism and shearing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509847.8U CN204053095U (en) | 2014-09-05 | 2014-09-05 | Automatic reliable shear blade clearance adjustment mechanism and shearing machine |
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| CN204053095U true CN204053095U (en) | 2014-12-31 |
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| CN201420509847.8U Withdrawn - After Issue CN204053095U (en) | 2014-09-05 | 2014-09-05 | Automatic reliable shear blade clearance adjustment mechanism and shearing machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162715A (en) * | 2014-09-05 | 2014-11-26 | 北京京诚之星科技开发有限公司 | Automatic reliable shear blade clearance adjustment mechanism and shearing machine |
| CN104842001A (en) * | 2015-04-10 | 2015-08-19 | 江苏大学 | Automatic detecting and adjusting system for shear knife gap of ultra-large type plate shearing machine |
-
2014
- 2014-09-05 CN CN201420509847.8U patent/CN204053095U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104162715A (en) * | 2014-09-05 | 2014-11-26 | 北京京诚之星科技开发有限公司 | Automatic reliable shear blade clearance adjustment mechanism and shearing machine |
| CN104842001A (en) * | 2015-04-10 | 2015-08-19 | 江苏大学 | Automatic detecting and adjusting system for shear knife gap of ultra-large type plate shearing machine |
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