The content of the invention
In view of the above-mentioned problems of the prior art, a purpose of the present utility model is to provide for the automatic of scale bodyScale correcting apparatus, the device can save manpower, reduce production cost, improve production efficiency, and calibration accuracy is high.
Another purpose of the present utility model is to propose the scale body with the above-mentioned automatic calibration device for scale body.
According to the automatic calibration device for scale body of the utility model first aspect, including：Ram seat, the ram seatIncluding first end and the second end, and it is fixed on the scale body；Electric pushrod, the electric pushrod are fixed on the ram seatOn, the electric pushrod includes drive device, cylinder body and the push rod that can make stretching motion relative to the cylinder body, the driving dressPut and be fixed on the cylinder body, and suitable for being connected with the push rod；And upper arm, the centre position of the upper arm are rotationally setIn on the push rod, the both ends of the upper arm are arranged with hanging groove.
In the technical scheme, when needing to carry out school scale, stone roller will be hung and be placed at the hanging groove of upper arm both sides, cut or polish jade with an emery wheel extensionHook it is corresponding with hanging groove, drive device, which is powered, to be rotated forward, and driving push rod moves upwards, so as to which push rod drives upper arm synchronously upwardMotion, during upper arm is moved upwards, the hook hung on stone roller is gradually engaged with hanging groove, and the extension for driving both sides by upper arm is cut or polish jade with an emery wheelRise, after extension stone roller leaves ground about 100mm, push rod stops motion upwards, hangs stone roller and gives scale body weight signal, under by scale bodyThe weight signal for hanging stone roller is changed into electric signal by the pressure sensor at end, and stone roller weight is hung according to the gravimetric value of display electric signal and standardAmount is compared, if display gravimetric value is larger with hanging stone roller theoretical weight value error, scale body is calibrated, make to measure gravimetric value andThe theoretical value of stone roller is hung in error range.When school, scale finishes, drive device reversion, driving push rod moves downward, so as to push rodDrive upper arm synchronously to move downward, drive the extension of both sides to cut or polish jade with an emery wheel by upper arm and decline, drop down onto on ground until to scale body no pressure.School scaleAfter the completion of, scale body can more accurately measure the weight of mortar, so as to improve the quality of mortar production.And the device can be withManpower is saved, reduces production cost, improves production efficiency, and calibration accuracy is high.It should be noted that stone roller is hung without dismounting, thenIt is secondary to need to use at any time during the scale of school.
In addition, according to the automatic calibration device of the present utility model for scale body, there can also be following technical characteristic：
Further, the ram seat also includes otic placode and channel-section steel, and the otic placode is symmetrically located at the of the ram seatThe both sides of one end, the channel-section steel are fixed on the second end of the ram seat.
Further, the cylinder body includes the first cylinder body and the second cylinder body, and second cylinder body is located at the first cylinder body upper end,Connected respectively by fastener between first cylinder body and the otic placode, between second cylinder body and the channel-section steel.
Preferably, it is provided between first cylinder body and the otic placode by the first bolt connection, first cylinder bodyFirst positioning hole, the otic placode are provided with the second positioning hole, the first positioning hole described in first screw bolt passes with it is describedSecond positioning hole.
Preferably, hollow shaft is provided between first cylinder body and the otic placode, first bolt passes through described hollowAxle.
Preferably, the second bolt connection is passed through between second cylinder body and the channel-section steel.
Preferably, first cylinder body is provided with projection portion, and the projection portion is formed integrally on first cylinder bodyLower end, and it is orthogonal with first cylinder body.
Further, the external part of the push rod is provided with U-type groove and rotation hole, and the U-type groove runs through the push rod, describedU-type groove is suitable to accommodate the upper arm, and the rotation hole passes perpendicularly through the cell wall of the U-type groove successively.
Preferably, the scale correcting apparatus are multiple, and are arranged symmetrically.
The above-mentioned automatic calibration device for scale body is had according to the scale body of the utility model second aspect embodiment.Due toManpower can be saved according to the scale correcting apparatus of the embodiment of the utility model first aspect, reduces production cost, improves production effectRate, and the advantages of calibration accuracy is high.Therefore, calibration is had conveniently according to the scale body of the utility model second aspect embodiment, schoolThe advantages that quasi- efficiency high.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following descriptionIn become obvious, or by it is of the present utility model practice recognize.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As described in Figure 1, the automatic calibration device for scale body, including：Ram seat 1, electric pushrod 2 and upper arm 3.
Specifically, ram seat 1 is rectangular-shape structure, including first end 11 and the second end 12, and is fixed on scaleOn body 6, for example, ram seat 1 can be fixed on scale body 6 by the connected mode of welding.
Electric pushrod 2, electric pushrod 2 are fixed in ram seat 1, and electric pushrod 2 includes drive device 21, cylinder body 22 and canOpposing cylinder 22 makees the push rod 24 of stretching motion, and drive device 21 is fixed on cylinder body 22, and suitable for being connected with push rod 24, passes throughThe stretching motion of push rod 24 is realized in the rotating of motor, and specifically, electric pushrod 2 also includes decelerator and ball-screw, is drivenDynamic device 21 is connected by connector with the input of decelerator, and ball-screw includes screw rod and nut, the output end of deceleratorSuitable for being connected with ball-screw, for example, drive device 21 can be motor, its output shaft end is fixed with first gear, ballThe screw rod of leading screw is provided with second gear as input, and first gear is meshed with the input gear of decelerator, decelerator it is defeatedGo out gear to be meshed with second gear, push rod 24 is hollow tubular structure, is enclosed on the outside of screw rod, and the lower end of push rod is pressed on spiral shellOn mother.When needing to stretch out push rod 24, drive device 21 rotates forward, and is meshed by first gear with the input gear of decelerator, bandDynamic decelerator rotates, and after decelerator slows down, is meshed by the output gear of decelerator with second gear and drives screw rod rotation, spiral shellMother moves upwards along screw rod, i.e., the gyration of drive device 21 is changed into the upward linear motion of nut, then by nutPush rod 24 is promoted to make to stretch out motion；When needing to shrink push rod 24, drive device 21 inverts, by motor after decelerator slows downGyration changes into the downward linear motion of nut, because push rod 24 is pressed on nut, under gravity, push rod 24As nut moves downward, i.e., push rod 24 makees contractile motion.It is pointed out that the inside of electric pushrod 2 selection ball screw typeMechanical Driven, there is the advantages of steady, reliable, safety coefficient is high.
Upper arm 3, upper arm 3 are rectangle laminated structure, and the centre position of upper arm 3 is rotatably arranged on push rod 24, alsoIt is to say, is provided with rotation hole 242 in the centre position of upper arm 3, upper arm 3 is rotatably arranged on push rod 24 by connector,The both ends of upper arm 3 are arranged with hanging groove 31, and the convenient stone roller 7 that will hang is hung on hanging groove 31, can so prevent from hanging stone roller 7 in upper arm 3Slip, avoid identical weight extension cut or polish jade with an emery wheel 7 occur it is uneven.It is appreciated that the size and dimension of upper arm 3 can be according to being actually subjected toSpecific design is sought, for example, upper arm 3 can also be rod-like structure, the utility model is not particularly limited to this.
Specifically, when needing to carry out school scale, stone roller 7 will be hung and be placed at the hanging groove 31 of the both sides of upper arm 3, made on extension stone roller 7Hook is corresponding with hanging groove 31, and drive device 21, which is powered, to be rotated forward, and driving push rod 24 is moved upwards, so as to which push rod 24 drives upper arm 3Synchronous motion upwards, during upper arm 3 upwards motion, the hook hung on stone roller 7 is gradually engaged with hanging groove 31, by upper arm 3The extension stone roller 7 of both sides is driven to rise, after hanging stone roller 7 and leaving ground about 100mm, push rod 21 stops moving upwards, hangs stone roller 21 with pushing awayBar 24 leaves ground, can give scale body weight signal, then turned the weight signal for hanging stone roller 21 by the pressure sensor of the lower end of scale body 6Chemical conversion electric signal is shown on display screen by analog-to-digital conversion, and 7 weights of stone roller are hung according to the gravimetric value of the data signal of display and standardAmount compares, if display gravimetric value is larger with hanging stone roller theoretical weight value error, scale body 6 is calibrated, makes to measure gravimetric valueWith hanging the theoretical value of stone roller 7 in error range.When school, scale finishes, drive device 21 inverts, and driving push rod 24 moves downward, fromAnd push rod 24 drives upper arm 3 synchronously to move downward, drive the extension of both sides to cut or polish jade with an emery wheel 7 by upper arm 3 and decline, drop down onto on ground until hanging stone roller 7To the no pressure of scale body 6.After the completion of the scale of school, scale body 6 can more accurately measure the weight of mortar, so as to improve mortar productionQuality.And the device can save manpower, production cost is reduced, improves production efficiency, and calibration accuracy is high.Need what is illustratedIt is to hang stone roller 7 without dismounting, needs to use at any time during the scale of school again.
In one embodiment of the present utility model, as shown in figure 1, the external part of push rod 24 is provided with U-type groove 241 and rotatedHole 242, U-type groove 241 run through push rod 24, and U-type groove 241 is suitable to accommodate upper arm 3, and the mechanical property of U-type groove 241 is good, to branch supportThe reliability of arm 3 and extension stone roller 7 is higher.Moreover, U-type groove 241 is directly opened in the upper end of push rod 24, can so reduce push rod 24 withSpace shared by the junction of upper arm 3, makes the globality of structure strengthen.Rotation hole 242 passes perpendicularly through the groove of U-type groove 241 successivelyWall.That is, upper arm 3 is connected to the interior of U-type groove 241 by rotation hole 242.
In one embodiment of the present utility model, as shown in figure 1, ram seat 1 also includes otic placode 13 and channel-section steel 14, otic placode13 are symmetrically fixed on the second end 12 of ram seat 1 located at the both sides of the first end 11 of ram seat 1, channel-section steel 14.It is specific nextSay, otic placode 13 is fixed on the both sides of the first end 11 of ram seat 1 by way of welding, and channel-section steel 14 includes the first leg 141With the second leg 142, the opening upwards of channel-section steel 14, and its first leg 141 is connected by way of welding with ram seat 1, thisThe overall structure of sample ram seat 1 is simple, and technique is also relatively simple, easily manufactured.
In one embodiment of the present utility model, cylinder body 22 includes the first cylinder body 221 and the second cylinder body 222, the second cylinderBody 222 is located at the upper end of the first cylinder body 221, distinguishes between the first cylinder body 221 and otic placode 13, between the second cylinder body 222 and channel-section steel 14Connected by fastener.Specifically, as shown in Fig. 1 ~ 3, the first cylinder body 221 and the second cylinder body 222 are cylindrical structure, theTwo cylinder bodies 222 are located at the upper end of the first cylinder body 221, between the first cylinder body 221 and otic placode 13, the second cylinder body 222 and channel-section steel 14 itBetween connected respectively by fastener.For example, being connected between the first cylinder body 221 and otic placode 13 by the first bolt 4, set on cylinder body 22There is the first positioning hole, otic placode 13 is provided with the second positioning hole, and the first bolt 4 sequentially passes through the first positioning hole and the second positioning hole.Connected between second cylinder body 222 and channel-section steel 14 by the second bolt 5, specifically, the second bolt 5 is U-bolt, in its arcEnd is in contact with the second cylinder body 222, and the both ends of the second bolt 5 pass through the second leg 142 of channel-section steel 14, with nut successively by secondThe both ends of bolt 5 are fixed on channel-section steel 14.What deserves to be explained is by the solid respectively of the first cylinder body 221 and the second cylinder body 222It is fixed, electric pushrod 2 can be more securely fixed on scale body 6.
Preferably, as shown in figure 1, being provided with hollow shaft 41 between the first cylinder body 221 and otic placode 13, the first bolt 4 passes through skyMandrel 41.Specifically, hollow shaft 41 is cylinder tubular structure, and its both ends is in contact with the first cylinder body 221 and otic placode 13 respectively,Contact area can so be increased, made between the first cylinder body 221 and otic placode 13 fixed more firm.It is what deserves to be explained is emptyThe contact jaw of the cylinder body 221 of mandrel 51 and first is arranged to circular arc groove-like structure, and the outer surface arc of arc groove and the first cylinder body 221Shape structure matches, and hollow shaft 51 can so be better achieved and is bonded with first cylinder body 221, makes overall structure moreFirmly.
Preferably, the first cylinder body 221 is provided with projection portion 23, and projection portion 23 is formed integrally under the first cylinder body 221End, and it is orthogonal with the first cylinder body 221, it is connection driving for convenience that projection portion 23 is set in the lower end of the first cylinder body 221Device 21, plays a part of support to drive device 21, and the inside of projection portion 23 is provided with the chamber to be connected with cylinder body 22, so may be usedConnection between drive device 21 and push rod 24 is realized to facilitate, projection portion 23 is arranged to the first cylinder body 221 orthogonalThe connection between drive device 21 and push rod 24 can be facilitated, while drive device 21 is being arranged on the upper end of projection portion 23, sideJust remove and install, facilitate the maintenance and maintenance of drive device 21.
Preferably, scale correcting apparatus are multiple that so multiple scale correcting apparatus can be calibrated to scale body 6 simultaneously, improveThe efficiency of school scale, scale correcting apparatus are arranged symmetrically, and can so make being more uniformly stressed for scale body 6.For example, four schools can be setScale device, and be arranged symmetrically.
The above-mentioned automatic calibration device for scale body 6 is had according to the scale body 6 of the utility model second aspect embodiment.ByManpower can be saved in the scale correcting apparatus of the embodiment according to the utility model first aspect, reduces production cost, improves productionEfficiency, and the advantages of calibration accuracy is high.Therefore, calibration is had conveniently according to the scale body 6 of the utility model second aspect embodiment,The advantages that calibration efficiency is high.
In description of the present utility model, it is to be understood that term " on ", " upper end ", " under ", the instruction such as " lower end "Orientation or position relationship, be for only for ease of description the utility model and simplify describe, rather than instruction or imply shown inDevice or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicalityThe limitation of type.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relatively importantProperty or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed orPerson implicitly includes one or more this feature.In description of the present utility model, " multiple " are meant that two or twoMore than individual, unless otherwise specifically defined.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second featureCan be that fisrt feature directly contacts with second feature, or the first and second features pass through intermediary mediate contact.
In the utility model, unless otherwise clearly defined and limited, the art such as term " connected ", " connection ", " fixation "Language should broadly understood, for example, it may be being fixedly connected or being detachably connected, or be integrally formed；Can be machineryConnection；Can be joined directly together, can also be indirectly connected by intermediary, can be the connection or two of two element internalsThe interaction relationship of individual element.For the ordinary skill in the art, above-mentioned art can be understood as the case may beConcrete meaning of the language in the utility model.
In the description of specification of the present utility model, reference term " one embodiment ", " some embodiments " etc. are retouchedState mean to combine specific features, structure, material or the feature that the embodiment or example describe be contained in it is of the present utility model extremelyIn few one embodiment or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identicalEmbodiment or example.Moreover, specific features, structure, material or the feature of description can be in any one or more implementationsCombined in an appropriate manner in example or example.In addition, in the case of not conflicting, those skilled in the art can be by thisDifferent embodiments or example and the feature of different embodiments or example described in specification are combined and combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment isExemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility modelIt is interior above-described embodiment to be changed, changed, replaced and modification.