CN202204725U - Scale lever machine - Google Patents

Scale lever machine Download PDF

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Publication number
CN202204725U
CN202204725U CN2011203215191U CN201120321519U CN202204725U CN 202204725 U CN202204725 U CN 202204725U CN 2011203215191 U CN2011203215191 U CN 2011203215191U CN 201120321519 U CN201120321519 U CN 201120321519U CN 202204725 U CN202204725 U CN 202204725U
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China
Prior art keywords
cutter
balance
screw mandrel
crossbeam
frame
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Expired - Lifetime
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CN2011203215191U
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Chinese (zh)
Inventor
陶泽成
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Kunshan Innovation Testing Instruments Co Ltd
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Kunshan Innovation Testing Instruments Co Ltd
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Priority to CN2011203215191U priority Critical patent/CN202204725U/en
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Abstract

A scale lever machine comprises a reverse frame, a machine frame arranged on the reverse frame, a girder laterally penetrating the machine frame and a movable bracket arranged between the machine frame and the girder. A first lead screw is arranged in the center of the machine frame. A first screw cap matched with the first lead screw is arranged at the central position of the upper end of the bracket. The girder comprises a main body and force arms symmetrically arranged on two ends of the main body. The ends of the force arms are provided with a scale knife rest. A balance device is further fixed inside the girder and comprises a support knife arranged at the central position of the girder, a scale cross-shaped knife arranged on one side of the support knife, and a scale knife arranged at the rear end of the girder. The scale lever machine can be used as a scale and can detect work pieces, thereby being widely applicable and high in detection accuracy.

Description

A kind of balance Lever machine
Technical field
The utility model relates to a kind of accurate detector device, is specifically related to a kind of balance Lever machine.
Background technology
The degree of accuracy height and the diversified problem of measuring ability thereof of detecting instrument more and more receive publicity at heavy-duty machinery and the accurate detection range of workpiece performance.
Performance detection instruments such as existing pressure, pulling force, intensity are generally pressure testing machine etc.; The content of its detection only is confined to the test to some strength characters of workpiece self, but because the limitation of the structure function of testing machine own, its accuracy of detection is relatively poor, usable range is less; Especially the specialized spare part of some space equipments; Accuracy requirement is higher, because its accuracy of detection is lower, has a strong impact on the effect performance of equipment.
In recent years, mainly adopt Lever machine for the detection of general high-precision product, Lever machine mainly is the action principle that adopts lever, through with the mating reaction of dead weight machine; Power put on the workpiece detect, its measuring accuracy is higher, but Lever machine needs workpiece is fixed in the equipment center place effectively when test; After acting force is put on the equipment center place so that the accuracy that guarantee to detect, but if will workpiece be mounted on the center; And guarantee effect puts on equipment center all the time and does not produce skew again, and operation easier is bigger, and installation cost is higher; In case cause fixing not precisely, then can cause the detection error, influence workpiece quality.And Lever machine only can be tested functional limitationization to pulling force, the pressure intensity of workpiece.
The utility model content
Relatively poor for solving existing detecting instrument accuracy of detection, measuring ability is localization comparatively, and detects problems such as cost is higher; The utility model discloses a kind of balance Lever machine; To reach the raising accuracy of detection, enlarging application range, the purpose of reduction detection, mounting cost.
The technical scheme of the utility model is following:
A kind of balance Lever machine, comprise reverse frame, be arranged at frame on the said reverse frame, cross the crossbeam of said frame and be arranged at said frame and said crossbeam between movable support bracket;
Said frame central place is provided with first screw mandrel, and center, said movable support bracket upper end is provided with first nut that is complementary with said first screw mandrel;
Said crossbeam comprises body and is symmetricly set in the arm of force at said body two ends that said arm of force end is provided with balance knife rack; Said frame top also is set with center of gravity adjustment piece, and said center of gravity adjustment piece is fixed on the said arm of force;
Said crossbeam inside also is set with balance device, and said balance device comprises the support cutter that is positioned at said crossbeam center, is positioned at the balance cross cutter of said support cutter one side and the balance knife that is positioned at said crossbeam front and back end.
Preferably; Said balance cross cutter comprises and the stressed cutter of said support cutter on same horizontal line; And being positioned at the balance cutter on the said reverse frame, said balance cutter is vertical each other with said stressed cutter projection, and the intersection point of the center line of said balance cutter and said stressed cutter and its projection intersects.
Preferably, said reverse frame comprises support, is symmetricly set in the hoistable platform that the said guidepost of guidepost and edge on the said support moves up and down; Also be provided with second screw mandrel on the said support; Said second screw mandrel runs through said hoistable platform; Said second screw mandrel is symmetrically arranged at least 2, is set with second nut with the said second screw mandrel corresponding position on the said hoistable platform, and said second nut is consistent with the quantity of said second screw mandrel; Also comprise and drive the gearing that said hoistable platform moves.
Preferably; Said main body upper end is provided with the first cutter groove that is used to place stressed cutter; Center, said main body below is provided with and is used to place the second cutter groove that supports cutter; The said first cutter groove departs from the one side setting of the said second cutter groove, and the distance between center line of said first cutter groove and the said second cutter groove is smaller or equal to 200mm.
Preferably; Said screw mandrel is opposite 2 of rotation direction; The bottom of said screw mandrel is provided with worm gear; Said gearing comprises motor and intermeshing 2 synchronous pulleys, and said one of them synchronous pulley is connected with said motor, and said another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw opposite and that be complementary with said worm gear.
Preferably, the edge of a knife of said balance knife is fixedly installed on the said movable support bracket; Edge, said main body upper end is protruding to have boss, and said boss is 2 of front and back symmetry, and the center line of the center line of said boss and the said second cutter groove is on same straight line, and the cutter of said balance knife serves as a contrast and is fixed on the said boss.
Preferably; The movable tool rest that said balance knife rack comprises fixed mount, be positioned at the limitting casing on the said fixed mount and can move horizontally at said limitting casing; Be installed with cutter on the said movable tool rest, the front and back end of said limitting casing also is provided with and is used to limit the limited block that said cutter vertically moves; Also comprise and drive the governor motion that said movable tool rest moves.
Preferably, said governor motion comprises the adjustment piece that is symmetricly set in said movable tool rest both sides, and the adjusting lever that is fixedly connected with said adjustment piece and give said adjustment piece power, and said adjustment piece and the contacted one side of said movable tool rest are lozenges.
Preferably; Said adjusting lever is a screw mandrel; Said adjustment piece is provided with the connecting hole that is complementary with said screw mandrel; Said limitting casing is provided with and the through hole of said connecting hole on same center line, and said clear size of opening is more than or equal to said connecting hole size, and at least one is provided with the internal thread that is complementary with screw mandrel in said connecting hole and the said through hole.
Preferably, said movable tool rest is provided with groove, is provided with the cutter positioning piece that at least one is used to compress said cutter in the said groove, and said cutter positioning piece and the contacted one side of said cutter are lozenges.
The disclosed balance Lever machine of the utility model comprises reverse frame, frame, crossbeam and movable support bracket;
The frame central place is provided with first screw mandrel, and center, movable support bracket upper end is provided with first nut that is complementary with first screw mandrel; Drive movable support bracket and move up and down through rotating first screw mandrel, carry thereby drive on the crossbeam, control support cutter, balance cross cutter, with the folding of balance knife, when balance knife is closed; Support cutter and separate with stressed cutter, the reverse frame of below is inoperative, and balance knife is as fulcrum, and crossbeam is as fork; Thereby realize the function of balance, otherwise, cutter supported as fulcrum; Crossbeam detects the performance of workpiece as lever in reverse frame, the utility model both can be used as balance and used; Again can be to the workpiece Performance Detection, the scope of application is wider, and accuracy of detection is higher.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiment of the utility model, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the disclosed a kind of balance Lever machine of the utility model;
Fig. 2 is the structural representation of reverse frame gearing in the disclosed a kind of balance Lever machine of the utility model;
Fig. 3 is the structural drawing of the installation site relation of stressed cutter and balance cutter in the disclosed a kind of balance device of the utility model;
Fig. 4 is that the position of each cutter in the disclosed a kind of balance device of the utility model concerns sketch;
Fig. 5 is the structural representation that cooperates of limitting casing and movable tool rest in the disclosed a kind of follow rest of the utility model;
Fig. 6 is the structural representation of movable tool rest in the disclosed a kind of follow rest of the utility model;
Fig. 7 is the structural representation of the disclosed crossbeam of the utility model.
The title of the numeral among the figure or the corresponding component of alphabetical representative:
100, reverse frame 200, frame 300, crossbeam 400, movable support bracket 500, balance knife rack;
101, support 102, guidepost 103, second screw mandrel 104, second nut 105, fixed head 106, hoistable platform 107, base 108, top panel 109, breach 110, motor 111, synchronous pulley 112, worm screw 113, worm gear 114, base plate;
201, upper flat plate 202, down dull and stereotyped 203, support bar 204, first screw mandrel 205, first nut 206, servomotor 207, center of gravity adjustment piece;
301, main body 302, the arm of force 303, the first cutter groove 304, the second cutter groove 305, pilot hole 306, boss;
401, stressed cutter 402, balance cutter 403, support cutter 404, balance knife 405, upper cutter head 406, tool rest 407, connecting link down;
501, fixed mount 502, limitting casing 503, movable tool rest 504, adjustment piece 505, cutter positioning piece 506, cutter 507, through hole 508, connecting hole 509, screw mandrel 510, groove 511, limited block.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
The utility model discloses a kind of balance Lever machine, to reach the raising accuracy of detection, enlarging application range, the purpose of reduction detection, installation cost.
Shown in Fig. 1-8, a kind of balance Lever machine comprises reverse frame 100, is arranged at frame 200 on the reverse frame 100, crosses the crossbeam 300 of frame 200 and is arranged at frame 200 and the movable support bracket 400 of 300 on crossbeam; Frame 200 centers are provided with first screw mandrel 204; Movable support bracket 400 comprises upper flat plate 201, down dull and stereotyped 202 and with the upper flat plate 201 and the support bar 203 of dull and stereotyped 202 support fixation down; Center, upper flat plate 201 upper end is provided with first nut 205 that is complementary with first screw mandrel 204; Also be set with on the frame 200 and be connected with first screw mandrel 204 and the servomotor 206 of power be provided for it; Drive 204 rotations of first screw mandrel through starting servomotor 206, drive movable support bracket 400 and move up and down.
Crossbeam 300 comprises body 301 and is symmetricly set in the arm of force 302 at body 301 two ends that the arm of force 302 ends are provided with balance knife rack 500; Frame 200 tops also are set with center of gravity adjustment piece 207, and center of gravity adjustment piece 207 is fixed on the arm of force 302; Be used to adjust the centering of balance Lever machine.The main body 301 of crossbeam 300 is at upper flat plate 201 and down between dull and stereotyped 202, and when movable support bracket moves to when contacting with crossbeam 300, crossbeam 300 can be with the same moved further of movable support bracket.
Crossbeam 300 inside also are set with balance device, and balance device comprises the support cutter 403 that is positioned at crossbeam 300 centers, the balance cross cutter that is positioned at support cutter 403 1 sides and the balance knife 404 that is positioned at crossbeam 300 front and back ends; Balance cross cutter comprises and supports the stressed cutter 401 of cutter 403 on same horizontal line; And the balance cutter 402 between fixed head 105 and top panel 108, balance cutter 402 is vertical each other with stressed cutter 401 projections, and balance cutter 402 intersects with the center line of stressed cutter 401 and the intersection point of its projection; Form the cross cutter; Thereby make the acting force that stressed cutter 401 is born, act on the intersection point place of stressed cutter 401 and balance cutter 402 accurately, avoided acting force to disperse; The detection error that produces when causing detecting the workpiece performance guarantees the accuracy that detects.
Main body 301 upper ends are provided with the first cutter groove 303 that is used to place stressed cutter 401; Center, main body 301 below is provided with and is used to place the second cutter groove 304 that supports cutter 403; The first cutter groove 303 departs from the 304 1 side settings of the second cutter groove, and the distance between center line of the first cutter groove 303 and the second cutter groove 304 is smaller or equal to 200mm.Also be provided with the pilot hole 305 that at least one is used to locate stressed cutter 301 in the first cutter groove 303, each pilot hole 305 is symmetrical set.Wherein the distance between center line of the first cutter groove 303 and the second cutter groove 304 can be 150mm, 160mm, 190mm etc., and the quantity of pilot hole can be 3,4,5 or a plurality of, does not specifically limit.
The cutter lining that supports cutter 403 is fixed on the top panel 108, keeps fixed, and its edge of a knife is fixed in the second cutter groove 304, moves with moving of crossbeam 200, and the folding of cutter 403 is supported in control; Stressed cutter 401 is arranged in the first cutter groove 303; Connecting link 407 corresponding each pilot hole 305 that pass through are fixed in stressed cutter 401 in the crossbeam 300; The edge of a knife of stressed cutter 401 is fixed on the upper cutter head 405; The cutter lining of stressed cutter 401 is fixed in crossbeam 300 inside, goes up and down with the up-down of crossbeam 300, controls the folding of stressed cutter; Stressed cutter 401 vertically is provided with; The lower end of connecting link 407 is connected with down tool rest 406, is set with balance cutter 402 on the following tool rest 406, and balance cutter 402 is the normally closed cutter of horizontally set.The modes of emplacement of wherein stressed cutter and balance cutter is determined on a case-by-case basis, as long as guarantee that its projection is vertical each other, does not limit at this.
The edge of a knife of balance knife 404 is fixedly installed on the movable support bracket 400.Edge, main body 301 upper end is protruding, and boss 306, boss 306 are arranged is 2 of front and back symmetry, and the center line of the center line of boss 306 and the second cutter groove 304 is on same straight line, and the cutter of balance knife 404 serves as a contrast and is fixed on the boss 306.Movable support bracket 400 moves up and down the folding of control balance knife 404.
First groove and second groove effectively will support cutter and stressed cutter is fixedly installed in crossbeam inside through on crossbeam, being provided with; Around the groove and bottom all is used to bear the acting force at arm of force two ends, and structural strength is better, and serviceable life is longer; And bearing capacity is stronger, and the scope of application is wider.
The hoistable platform 106 that reverse frame 100 comprises support 101, is symmetricly set in the guidepost 102 on the support 101 and moves up and down along guidepost 102; Also be provided with second screw mandrel 103 on the support 101; Second screw mandrel 103 runs through hoistable platform 106; Second screw mandrel 103 is symmetrically arranged 2, and to be set with second nut, 104, the second nuts 104 consistent with the quantity of second screw mandrel 103 with second screw mandrel, 103 corresponding positions on the hoistable platform 106; The bottom of second screw mandrel 103 is provided with worm gear 113, also comprises driving the gearing that hoistable platform 106 moves.Gearing comprises motor 110 and intermeshing 2 synchronous pulleys 111, and one of them synchronous pulley is connected with motor 110, and another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw 112 opposite and that be complementary with worm gear 113.
The synchronous pulley 111 that motor 110 drives its front end rotates, because 2 synchronous pulleys are meshed, transmission of power is gone out; The both sides of another synchronous pulley are provided with the opposite worm screw of rotation direction 112; Give worm screw 112 power through same motor 110; Because the rotation direction of two ends worm screw 112 is opposite; After worm screw 112 and worm gear 113 engagements, two rhizoid bars 103 rotate with worm gear 113 in the opposite direction, and are inside simultaneously or laterally rotate; Because the rotation direction of two rhizoid bars 103 is different, and switched in opposite, guarantees that 2 rhizoid bars give hoistable platform 106 acting force up or down simultaneously, avoid causing force direction to cause stuck between hoistable platform and screw mandrel and guidepost mutually on the contrary.Every rhizoid bar also can be driven by a motor and corresponding synchronous belt wheel respectively, as long as guarantee that screw mandrel gives hoistable platform acting force up or down simultaneously, does not limit at this.
The quantity of second screw mandrel 103 can also be symmetrically arranged 4; The quantity of motor 110 is 1, and motor 110 front ends are connected with 1 synchronous pulley, and the both sides of this synchronous pulley also respectively are provided with a synchronous pulley; And the two ends of both sides synchronous pulley are provided with the opposite worm screw of rotation direction 112; Guarantee that 4 rhizoid bars are inside simultaneously and to inner rotary, 4 rhizoid pole pairs are claimed to be provided with, guarantee the stability of up-down.The quantity of this out screw rod also can be determined on a case-by-case basis, and does not steadily limit at this as long as can effectively guarantee.
In addition, the position that the base 107 of support 101 is corresponding with the external part of guidepost 102 is provided with the breach 109 that makes things convenient for guidepost 102 to install.Through the dismounting that breach 109 can make things convenient for guidepost is set, simplify the installing/dismounting step, reduce labor capacity, improve installing/dismounting efficient.
The movable tool rest 503 that balance knife rack comprises fixed mount 501, be positioned at the limitting casing 502 on the fixed mount 501 and can move horizontally at limitting casing 502 is installed with cutter 506 on the movable tool rest 503.Also comprise the governor motion that drive activity tool rest 503 moves.Governor motion comprises the adjustment piece 504 that is symmetricly set in movable tool rest 503 both sides, and that be fixedly connected with adjustment piece 504 and adjust the adjusting lever of piece 504 power.Adjusting lever is a screw mandrel 509, and adjustment piece 504 is provided with the connecting hole 508 that is complementary with screw mandrel 509, and limitting casing 502 is provided with and the through hole 507 of connecting hole 508 on same center line, and through hole 507 sizes are more than or equal to the size of connecting hole 508.Adjustment piece 504 is a lozenges with movable tool rest 503 contacted one sides.Be provided with screw thread in the connecting hole 508; Screw mandrel 509 passes through hole 507 and connecting hole 508 mating reactions, and an end of screw mandrel 509 stretches out through hole 507 outsides, also is provided with back-up ring (not looking out) on the screw mandrel 509; Guarantee that screw mandrel 509 can only rotate in through hole 507, avoid generation to move forward and backward; During screw mandrel 509 main storys; Screw mandrel 509 promotes adjustment piece 504 and moves forward along screw mandrel 509 center lines; During screw mandrel 509 counter-rotatings, move behind the screw mandrel 509 pulling adjustment pieces 504, through the acting in conjunction that adjustment piece 504 1 reaches one of both sides are retreated; Thereby lozenges promotion activity tool rest 403 move left and right, adjusting activity tool rest 503 is with respect to the distance at crossbeam 300 centers.Simple to operate, and the screw mandrel distance that activity tool rest 503 moved that whenever turns around is less, so degree of regulation is higher.
Movable tool rest 503 is provided with groove 510, and cutter positioning piece 505 is for being symmetricly set in two in the said groove 510.Cutter positioning piece 505 is a lozenges with cutter 506 contacted one sides.Cutter positioning piece 505 and movable tool rest 503 fix through bolt; Because cutter positioning piece 505 is a lozenges with cutter 506 contacted one sides, through loose bolts, makes 506 on cutter positioning piece 505 and cutter have the gap; Can cutter 506 be gone out from a side-draw; Through clamping screw, can cutter 506 be pressed in the groove 510, be fixed.Cutter positioning piece 505 and movable tool rest 503 also can adopt other fixed forms such as clamping, key connection except that adopting the bolt location, specifically do not limit.Wherein, cutter positioning piece 505 also can be one that is arranged at the cutter either side, and concrete quantity does not limit.
In addition; The front and back end of limitting casing 502 also is provided with and is used to limit the limited block 511 that cutter 506 vertically moves, and in order to guarantee to adjust the distance that piece 504 moves forward and backward, the size of general limitting casing 502 is greater than the size of movable tool rest 503; Therefore through limited block 511 is set; Effective vertically moving of restraint tool rest 503, the center line of avoiding movable tool rest 503 and crossbeam 300 on 300 liang of end carriages of crossbeam produces skew not on same straight line; Influence the degree of regulation of balance Lever machine, cause the detection error.
In addition, also can in connecting hole 508, be provided with groove (not looking out), an end of screw mandrel 509 is provided with convex edge (not looking out); Screw mandrel 509 stretches into and makes in the connecting hole 508 that groove matches with the convex edge, makes screw mandrel in connecting hole, to rotate, and is fixedly connected with the adjustment piece; The other end stretches out the through hole outside, and the through hole set inside has internal thread, through rotary screw rod; Make and screw mandrel and screw-internal thread fit effect drive moving of adjustment piece 504.Wherein also can at least one projection be set on screw mandrel 509, projection is connected in the groove, and can rotate along groove, does not specifically limit.
The principle of work of the utility model is following:
Before the balance Lever machine uses, need test, when test; Counterweight is placed on crossbeam 300 left sides, and weight is placed on crossbeam 300 the right, when the crossbeam left; Explain that left end lays particular stress on, impel the movable tool rest 503 on the left side and the right all to move to right adjustment through the rotation direction of regulating screw mandrel 509; Otherwise adjustment moves to left.
The balance Lever machine is when doing the balance use, and servomotor 206 drives first screw mandrel 204 and rotates, and drives on the movable support bracket 400 and moves; Two balance knifes 404 of front and back merge, and movable support bracket 400 drives on the crossbeams 300 to be carried, and supports cutter 403 and opens in 401 minutes with stressed cutter; Balance knife 404 is as fulcrum; Crossbeam 300 is as the balance fork, and crossbeam 300 1 ends are provided with counterweight one end workpiece is set, and workpiece is detected.
The balance Lever machine is when using as Lever machine, and servomotor 206 drives 204 counter-rotatings of first screw mandrel, and movable support bracket 400 is displaced downwardly on the top panel 108; The balance knife at two ends was opened in 404 minutes, supported cutter 403 and merged with stressed cutter 401, supported cutter 403 as fulcrum; Near on the side force arm that supports cutter 403 the dead weight machine being set; Workpiece places and detects the workpiece tensile property on the hoistable platform 106, or on the base plate 114 of its below, detects the pressure of workpiece; Difference in functionality according to need detect is confirmed its position; Through the dead weight machine masterpiece is used for stressed cutter 401, the mating reaction of stressed cutter 401 and balance cutter 402 regulates to drive hoistable platforms 106 and move and realize workpiece is stretched and the pressure performance detection through the reverse frame 100 of its below.Stressed cutter 401 cooperates formation cross cutter with balance cutter 402, on acting force is converged accurately, and the precision when guaranteeing to detect.
The disclosed balance Lever machine of the utility model comprises reverse frame, frame, crossbeam and movable support bracket;
The frame central place is provided with first screw mandrel, and center, movable support bracket upper end is provided with first nut that is complementary with first screw mandrel; Drive movable support bracket and move up and down through rotating first screw mandrel, carry thereby drive on the crossbeam, control support cutter, balance cross cutter, with the folding of balance knife, when balance knife is closed; Support cutter and separate with stressed cutter, the reverse frame of below is inoperative, and balance knife is as fulcrum, and crossbeam is as fork; Thereby realize the function of balance, otherwise, cutter supported as fulcrum; Crossbeam detects the performance of workpiece as lever in reverse frame, the utility model both can be used as balance and used; Again can be to the workpiece Performance Detection, the scope of application is wider, and accuracy of detection is higher.And balance knife rack is adjustable with respect to the distance at crossbeam center, is convenient to the debugging of balance Lever machine, and debugging cost is lower, and degree of regulation is higher.
Simultaneously, the first cutter groove and the second cutter groove are set, can effectively stressed cutter and support cutter be fixed in crossbeam inside on the one hand, on the other hand through body section at crossbeam; Around the first cutter groove and the second cutter groove is airtight structure, less to the structural failure of crossbeam, and four sides and bottom surface are born the power at crossbeam two ends simultaneously; Bearing capacity is stronger, reduces the damage of crossbeam, has guaranteed the serviceable life of crossbeam; Simultaneously, the bearing capacity of crossbeam increases, and its sensing range is wider.
In addition; Through being symmetrical set at least two rhizoid bars, it is more steady to guarantee that hoistable platform moves in the process that moves up and down, and it is stuck between unstable and guidepost and screw mandrel to have avoided hoistable platform to go up and down; Cause the damage of gearing or burning of motor; Simultaneously, detecting element can be arranged at the center of hoistable platform, and the precision that detects workpiece is higher.
More than be description,, make this area professional and technical personnel can realize or use the utility model through above-mentioned explanation to the disclosed embodiments to the utility model embodiment.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the utility model or scope in other embodiments among this paper.Therefore, the utility model will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.

Claims (10)

1. a balance Lever machine is characterized in that, comprise reverse frame, be arranged at frame on the said reverse frame, cross the crossbeam of said frame and be arranged at said frame and said crossbeam between movable support bracket;
Said frame central place is provided with first screw mandrel, and center, said movable support bracket upper end is provided with first nut that is complementary with said first screw mandrel;
Said crossbeam comprises body and is symmetricly set in the arm of force at said body two ends that said arm of force end is provided with balance knife rack; Said frame top also is set with center of gravity adjustment piece, and said center of gravity adjustment piece is fixed on the said arm of force;
Said crossbeam inside also is set with balance device, and said balance device comprises the support cutter that is positioned at said crossbeam center, is positioned at the balance cross cutter of said support cutter one side and the balance knife that is positioned at said crossbeam front and back end.
2. balance Lever machine according to claim 1; It is characterized in that; Said balance cross cutter comprises and the stressed cutter of said support cutter on same horizontal line; And being positioned at the balance cutter on the said reverse frame, said balance cutter is vertical each other with said stressed cutter projection, and the intersection point of the center line of said balance cutter and said stressed cutter and its projection intersects.
3. balance Lever machine according to claim 1 is characterized in that, the hoistable platform that said reverse frame comprises support, is symmetricly set in the guidepost on the said support and moves up and down along said guidepost; Also be provided with second screw mandrel on the said support; Said second screw mandrel runs through said hoistable platform; Said second screw mandrel is symmetrically arranged at least 2, is set with second nut with the said second screw mandrel corresponding position on the said hoistable platform, and said second nut is consistent with the quantity of said second screw mandrel; Also comprise and drive the gearing that said hoistable platform moves.
4. balance Lever machine according to claim 2; It is characterized in that; Said main body upper end is provided with the first cutter groove that is used to place stressed cutter; Center, said main body below is provided with and is used to place the second cutter groove that supports cutter, and the said first cutter groove departs from the one side setting of the said second cutter groove, and the distance between center line of said first cutter groove and the said second cutter groove is smaller or equal to 200mm.
5. balance Lever machine according to claim 3; It is characterized in that; Said screw mandrel is opposite 2 of rotation direction, and the bottom of said screw mandrel is provided with worm gear, and said gearing comprises motor and intermeshing 2 synchronous pulleys; Said one of them synchronous pulley is connected with said motor, and said another synchronous pulley two ends are symmetrically arranged with rotation direction worm screw opposite and that be complementary with said worm gear.
6. balance Lever machine according to claim 4 is characterized in that, the edge of a knife of said balance knife is fixedly installed on the said movable support bracket; Edge, said main body upper end is protruding to have boss, and said boss is 2 of front and back symmetry, and the center line of the center line of said boss and the said second cutter groove is on same straight line, and the cutter of said balance knife serves as a contrast and is fixed on the said boss.
7. according to each described balance Lever machine of claim 1-6; It is characterized in that; The movable tool rest that said balance knife rack comprises fixed mount, be positioned at the limitting casing on the said fixed mount and can move horizontally at said limitting casing; Be installed with cutter on the said movable tool rest, the front and back end of said limitting casing also is provided with and is used to limit the limited block that said cutter vertically moves; Also comprise and drive the governor motion that said movable tool rest moves.
8. balance Lever machine according to claim 7; It is characterized in that; Said governor motion comprises the adjustment piece that is symmetricly set in said movable tool rest both sides; And the adjusting lever that is fixedly connected with said adjustment piece and give said adjustment piece power, said adjustment piece and the contacted one side of said movable tool rest are lozenges.
9. balance Lever machine according to claim 7; It is characterized in that; Said adjusting lever is a screw mandrel, and said adjustment piece is provided with the connecting hole that is complementary with said screw mandrel, and said limitting casing is provided with and the through hole of said connecting hole on same center line; Said clear size of opening is more than or equal to said connecting hole size, and at least one is provided with the internal thread that is complementary with screw mandrel in said connecting hole and the said through hole.
10. balance Lever machine according to claim 7; It is characterized in that; Said movable tool rest is provided with groove, is provided with the cutter positioning piece that at least one is used to compress said cutter in the said groove, and said cutter positioning piece and the contacted one side of said cutter are lozenges.
CN2011203215191U 2011-08-30 2011-08-30 Scale lever machine Expired - Lifetime CN202204725U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102809412A (en) * 2012-08-14 2012-12-05 昆山大百科实验室设备工程有限公司 High-performance electromagnetic scale
CN102954912A (en) * 2011-08-30 2013-03-06 昆山市创新科技检测仪器有限公司 Balance lever machine
CN107121261A (en) * 2017-06-28 2017-09-01 中国科学院沈阳自动化研究所 A kind of force application apparatus based on lever augmented principle
CN110142232A (en) * 2019-04-28 2019-08-20 上海欧唯斯工具制造有限公司 A kind of insulating screw batch insulation performance testing device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102954912A (en) * 2011-08-30 2013-03-06 昆山市创新科技检测仪器有限公司 Balance lever machine
CN102954912B (en) * 2011-08-30 2014-12-24 昆山市创新科技检测仪器有限公司 Balance lever machine
CN102809412A (en) * 2012-08-14 2012-12-05 昆山大百科实验室设备工程有限公司 High-performance electromagnetic scale
CN107121261A (en) * 2017-06-28 2017-09-01 中国科学院沈阳自动化研究所 A kind of force application apparatus based on lever augmented principle
CN110142232A (en) * 2019-04-28 2019-08-20 上海欧唯斯工具制造有限公司 A kind of insulating screw batch insulation performance testing device

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