CN208579829U - Device for eliminating for check weighing scale - Google Patents

Abstract

A kind of device for eliminating for check weighing scale, it includes rack, upper gliding mass, overturning drive device, hinged shaft, upper gliding mass upper and lower surface is smooth cylinder, it is referred to as cylinder and lower cylinder, upper cylinder is parallel to each other and vertical with hinged shaft with the bus of lower cylinder, it is characterized in that, it further include lower gliding mass, the upper surface of lower gliding mass is smooth cylinder, referred to as foundation face, the bus in foundation face is vertical with hinged shaft, foundation face and lower cylinder are head-on opposite, upper cylinder and foundation face can be groove surface or semi-cylindrical or corrugated surface or plane, upper gliding mass and lower gliding mass are rigidly connected by the vertical plate of at least side, foundation face and lower cylinder are constituted in left end is known as feeding inlet by the entrance of sorting object, foundation face and lower cylinder are constituted in right end is known as discharge port by the outlet of sorting object, hinged shaft and vertical plate are rigidly connected and hinged shaft is close to discharge port, overturning Gliding mass pivots certain angle by shaft of hinged shaft above and below driving device driving.

Description

Device for eliminating for check weighing scale

Technical field

The utility model relates to automatic weightings to sort field more particularly to a kind of device for eliminating for check weighing scale.

Background technique

In the productions and packaging process such as food, drug, health care, chemical product, hardware, especially to bulk cargo, particle, pulvis, Liquid, paste etc. have the package of weight demands, and there are also to standard manufacture, such as casting, injection molding, extrusion molding, compacting, segmentation, mould It cuts, punching press etc. needs to detect the article of quality by weight, it is often necessary to utilize automatic inspection by production standard and metrological legislation Weight scale checks product weight, and overweight and ultralight product is picked out.

Currently, check weighing scale device for eliminating related with this programme is preceding turnover panel device for eliminating: one piece is reversed driving device The plate of driving, shaft are located at the middle right part of plate, are come by sorting object from the left side, from plate upper surface if up-to-standard Pass through, if unqualified, just the left end of plate is dug upwards, allows and passed through by sorting object from the lower surface of plate；Suitable for fast The sorting of fast, frivolous object is rejected.1) the existing preceding turnover panel technology has the disadvantage that because preceding turnover panel lower surface needs to pass through object Body, so overturning drive device is incorporated into the two sides of turnover panel namely two sides and must have bracket, if by deviateing in the movement of sorting object Traveling center line is designed, may be sandwiched between turnover panel and the bracket on both sides；2) when turnover panel is overturn, especially turnover panel is inverse to left down When hour hands are overturn, air-flow can be fanned to the weighing-appliance especially weighing platform upper surface on the left side, seriously affect the weighing of subsequent object Precision；3) underproof quick object is encountered and can leave the free parabolic in lower surface quickly behind turnover panel lower surface and fall, underproof Object may be touched at a slow speed falls less than the direct parabola in turnover panel lower surface, causes the drop point of the object of friction speed uncontrollable, band Carry out the problems such as object is broken into pieces, drop point is unordered.

Utility model content

Check weighing scale existing preceding turnover panel device for eliminating there are aiming at the problem that, the utility model proposes a kind of device for eliminating, The shortcomings that overcoming existing preceding turnover panel occluding technique, suitable for rejecting the object of various speed, object drop point is controllable, and substantially subtracts The air-flow fanned to left front weighing platform is lacked, the influence to weighing precision substantially reduces.

The technical measures that the utility model is taken are: a kind of device for eliminating for check weighing scale, including rack, upper cunning Body, overturning drive device, hinged shaft, upper gliding mass upper and lower surface are smooth cylinder, are referred to as cylinder and lower cylinder, upper prop Face is parallel to each other and vertical with hinged shaft with the bus of lower cylinder, is characterized in that, further includes lower gliding mass, and the upper surface of lower gliding mass is light Sliding cylinder, referred to as foundation face, the bus in foundation face is vertical with hinged shaft, and foundation face and lower cylinder are head-on opposite, upper cylinder and bottom Cylinder can be groove surface or semi-cylindrical or corrugated surface or plane, the vertical plate rigidity that upper gliding mass and lower gliding mass pass through at least side Connection, foundation face and lower cylinder are constituted in left end is known as feeding inlet by the entrance of sorting object, and foundation face and lower cylinder are in right end It constitutes and discharge port is known as by the outlet of sorting object, hinged shaft and vertical plate are rigidly connected and hinged shaft is close to discharge port, overturning driving dress One end connection rack is set, the other end of overturning drive device connects lower gliding mass or vertical plate, glides in overturning drive device driving Body pivots certain angle by shaft of hinged shaft.Driving discharge port rests in two extreme positions, and upper extreme position is that discharge port is suitable Hour hands rotate extreme position, and lower extreme position is that discharge port rotates counterclockwise extreme position；Discharge port corresponds to upper extreme position It is not overlapped with the spatial position of lower extreme position.

The utility model feature is in addition, upper gliding mass, lower gliding mass and vertical plate are respectively smooth plate.Upper gliding mass, lower gliding mass It by plate bending or is welded respectively with vertical plate.Pan feeding open height is greater than discharging open height.

The shape of the right hand edge of vertical plate and right hand edge is using hinged shaft as the circular arc in the center of circle, it is ensured that when overturning, vertical plate was always both It is equidistant with current divider, it is also equidistant with the weighing unit on the left side, it is ensured that the finger safe of operator.

Current divider is set on the right of discharge port, and the position height of current divider is located at the corresponding upper extreme position of discharge port and lower pole The centre of the spatial position of end position.Current divider by sorting object be oriented to both direction, one be current divider upper surface, one A is below current divider.Current divider is smooth plate or is bent into " 7 " font by smooth plate.

Overturning drive device is cylinder.

The feeding inlet left side that foundation face and lower cylinder are constituted is additionally provided with time-delay mechanism.Time-delay mechanism can be Belt Conveying Machine or smooth plate.

What weighing finished is come by sorting object from the weighing unit on the left side, if weight is qualified, overturning drive device makes The upper cylinder left side of upper gliding mass is directed at and is lower than the upper surface of weighing unit, makes to be aligned and be higher than on the right of the upper cylinder of gliding mass to divide The upper surface for flowing device slips over the upper cylinder of upper gliding mass by kinetic energy by sorting object, again above to the upper surface of current divider；If weight Measure unqualified, it is single that overturning drive device makes foundation face and lower cylinder in the feeding inlet by sorting object that the left side is constituted be directed at weighing In member by sorting object, while allowing foundation face and lower cylinder is constituted on the right by the discharge port of sorting object and lower than current divider Lower surface, while allow lower cylinder at this time with it is at an acute angle by the supplied materials direction of sorting object, if by the speed of sorting object Quickly, foundation face will be flown away from by sorting object to rush at lower cylinder and be directed to force finally to go out from discharge port with parabolic It goes；If slower by the speed of sorting object, discharge port will be skidded off along foundation face by sorting object；In short, all unqualified Product come out from the discharge port of a fixed space position, can prevent unqualified object is unordered to fall, and facilitate subsequent uniformly to enter Mouth is handled by successive queuing.

If slower by the speed of sorting object, the upper prop of corresponding lower extreme position can be in tilted layout towards lower-left, To increase by the potential energy or kinetic energy of sorting object, it is ensured that can freely slip over upper prop face.

The utility model feature, can be upper when being in lower extreme position in addition, if slower by sorting object speed Cylinder is arranged to heeling condition to left down, slips over upper prop automatically to ensure to obtain potential energy by sorting object and be converted to speed Face is just slipped over along upper cylinder by sorting weight of object qualification, unqualified to be just located at upper extreme position by overturning lower gliding mass, It is just slid at this time along foundation face by sorting object, into unqualified channel.

When being come down from left to right by sorting object tilt, e.g., when weighing unit is the slide plate being in tilted layout to the right, Upper cylinder when being in lower extreme position can also be arranged to parallel with object supplied materials direction.

The utility model feature is in addition, overturning drive device is rotating electric machine or rotating electromagnet or rotary pneumatic element etc. The pipeline of gliding mass, lower gliding mass and vertical plate composition is overturn on rotation drive device, rotation drive device and stud connection, driving, and Extreme position and lower extreme position can be rested on.

The utility model feature goes out in addition, in weighing unit discharge end the first photoelectric detection system of installation in device for eliminating Material mouth end is equipped with the second photoelectric detection system, and the first photoelectric detection system is detected by sorting object and it is expected that thereon to upper cylinder Or at the time of will entering lower cylinder, the pipeline that vertical plate, foundation face surround, the detection of the second photoelectric detection system is opened by sorting object At the time of beginning to leave and leave cylinder completely or leave lower cylinder, the rejecting pipeline that vertical plate, foundation face surround, and determined with this Pipeline overturns the moment, in case in pipeline overturning, feeding inlet and discharge port are clamped by sorting object.

The utility model has the beneficial effects that by gliding mass under being arranged on the basis of to the turnover panel of left front overturning, it is relatively existing Left front turnover panel technology makes check weighing scale that higher precision weighing may be implemented, rejects object to more secure and reliable, be removed object drop point It is more orderly with posture.

1) overturning rejecting movement influences very little to weighing precision, is suitble to high speed, high-precision weighing.

Since upper gliding mass and downslide bulk area quite, simultaneously move, when being spun upside down using the hinged shaft of right lower quadrant as axis, no Biggish air pressure change can be generated to the gas between upper gliding mass and lower gliding mass, the air seldom quilt between upper gliding mass and lower gliding mass Fast Compression presses to the weighing-appliance on the left side, so, the influence of the feeding inlet on the left side spun upside down to weighing precision is smaller, can To guarantee high-precision weighing.

2) it rejects reliably, it will not material folding.

It is not in that object is sandwiched in rejecting pipeline and bracket due to being removed object entirely by passing through between rejecting pipeline Between the case where.Existing preceding turnover panel technology, since turnover panel two sides are generally there are also support construction, the lower surface when turnover panel is met to object Contact and turns over downwards object at object, so, may be rotated in, operation larger for frivolous, high-speed object, especially size with It causes the inswept turnover panel lower plane of diagonal line or deviates the object of the center line of turnover panel lower plane, handle during downwardly turning over easily occur The case where object is clamped between turnover panel and both sides support frame.

3) it is safe, orderly to be removed object landing, is suitable for frangible object, packaging material and frivolous object.

Acute angle by lower cylinder being reduced impact meets the frivolous object that high speed can be sorted to object supplied materials direction； The underproof object that is removed of all wt orderly comes out from the same spatial position, soft landing, and front is both facing to same A direction mixes without front and back sides, greatly protects by sorting object, and facilitate subsequent processing.It is not in unordered pendant It falls, disorderly fly phenomenon.Change object direction of travel due to rejecting pipeline by overturning, so opposite rocker arm, air-blowing, push rod etc. are rejected Mode, the utility model do not apply any unexpected strength to object, especially suitable for frangible packaging object, are easy Kaifeng Packaging material, heavier package also soft just like monosodium glutamate, salt etc..To by the rejecting of sorting object materials and packaging material It is more adaptable.

Detailed description of the invention

Fig. 1 is the arrangement works schematic diagram of the utility model.Fig. 2 is that the utility model shows the overturning rejecting of quick object It is intended to.Fig. 3 is the rejecting schematic diagram to object at a slow speed of the utility model.Delay is set before the upper gliding mass of Fig. 4 the utility model The schematic diagram of device.Fig. 5 be the utility model in upper extreme position on gliding mass inclined structural schematic diagram under to the right.Fig. 6 is The rejecting schematic diagram of turnover panel before the prior art.Fig. 7 is the structural schematic diagram that the utility model uses rotation drive device.

In figure, 1- rack, gliding mass under 2-, the upper gliding mass of 3-, 4- overturning drive device, 5- hinged shaft, 6- current divider, 7- vertical plate, 8- is by sorting object, 9- straight line cylinder down hinge, hinged shaft on 10- straight line cylinder, 12- weighing unit, 16- time-delay mechanism, 31- Preceding turnover panel, 41- rotation drive device, arrow are by the moving direction of sorting object.

Specific embodiment

Embodiment 1: as shown in Figure 1, 2, 3, a kind of device for eliminating for check weighing scale, including rack 1, upper gliding mass 3, overturning Driving device 4, hinged shaft 5, upper 3 upper and lower surface of gliding mass is smooth cylinder, is referred to as cylinder and lower cylinder, upper cylinder with The bus of lower cylinder is parallel to each other and vertical with hinged shaft 5, further includes lower gliding mass 2, and the upper surface of lower gliding mass 2 is smooth cylinder, The bus in referred to as foundation face, foundation face is vertical with hinged shaft 5, and foundation face and lower cylinder are head-on opposite, and upper cylinder and foundation face can be with It is groove surface or semi-cylindrical or corrugated surface or plane, upper gliding mass 3 is rigidly connected with lower gliding mass 2 by the vertical plate 7 of at least side, The minimum range of foundation face and lower cylinder is greater than by the thickness of sorting object 8, is come by sorting object 8 from the left side, foundation face with Lower cylinder is constituted in left end by the entrance of sorting object 8, referred to as feeding inlet, and foundation face and lower cylinder are constituted in right end by sorting object The outlet of body 8, referred to as discharge port, hinged shaft 5 and vertical plate 7 are rigidly connected and hinged shaft 5 is close to discharge port, and overturning drive device 4 is distinguished Connection rack 1 and lower gliding mass 2 is separately connected rack 1 and vertical plate 7, and overturning drive device 4 can be shaft with hinged shaft 5, drive Upper and lower gliding mass pivots certain angle and discharge port is driven to rest in two extreme positions, as shown in Fig. 2, upper extreme position is discharge port Extreme position is rotated clockwise, as shown in Figure 1, lower extreme position is that discharge port rotates counterclockwise extreme position.

As shown in Figure 1, 2, 3, upper gliding mass 3, lower gliding mass 2 and vertical plate 7 are respectively smooth plate.Upper gliding mass 3, lower gliding mass 2 It by plate bending or can also be welded respectively with vertical plate 7.Pan feeding open height is greater than discharging open height.

It is the circular arc in the center of circle that the right hand edge of vertical plate 7 and the shape of right hand edge, which can be with hinged shaft 5, it is ensured that when overturning, vertical plate 7 Always both equidistant with current divider 6, it is also equidistant with the weighing unit 12 on the left side, it is ensured that the finger safe of operator.

As shown in Figure 1, 2, 3, current divider 6 is set on the right of discharge port, and it is corresponding that the position height of current divider 6 is located at discharge port The centre of the spatial position of upper extreme position and lower extreme position.Current divider 6 is being oriented to both direction by sorting object 8, and one It is the upper surface of current divider 6, one is below current divider 6.Current divider 6 is smooth plate or is bent by smooth plate " 7 " font, the discharge port of the vertical edge far from eliminating passage of " 7 " word.

Overturning drive device is cylinder 4.

As shown in figure 4, the feeding inlet left side that foundation face and lower cylinder are constituted is additionally provided with time-delay mechanism 16.Time-delay mechanism 16 It can be belt conveyor or smooth plate.

What weighing finished is come by sorting object 8 from the weighing unit 12 on the left side, if weight is qualified, as shown in Figure 1, turning over The upper prop that rotary driving device 4 makes the upper cylinder left side of gliding mass 3 be aligned and be lower than the upper surface of weighing unit 12, make gliding mass 3 Be directed at and be higher than the upper surface of current divider 6 on the right of face, by sorting object 8 by kinetic energy slip over upper gliding mass 3 upper cylinder, again on arrive The upper surface of current divider 6；If weight is unqualified, as shown in Figures 2 and 3, overturning drive device 4 makes foundation face and lower cylinder on a left side On the feeding inlet alignment weighing unit 12 by sorting object 8 that side is constituted by sorting object 8, while allowing foundation face and lower prop Face constitutes the lower surface for being lower than current divider 6 by the discharge port of sorting object 8 on the right, at the same allow lower cylinder at this time with by sorting The supplied materials direction of object 8 is at an acute angle, if quickly by the speed of sorting object 8, as shown in Fig. 2, bottom will be flown away from by sorting object 8 Cylinder is rushed at lower cylinder and is directed to force and finally gone out from discharge port with parabolic；As shown in figure 3, if by sorting object The speed of body 8 is slower, will skid off discharge port along foundation face by sorting object 8；In short, all rejected products are from a fixation The discharge port of spatial position comes out, and can prevent unqualified object is unordered to fall, facilitate subsequent unified entrance, by successive queuing at Reason.

If slower by the speed of sorting object 8, as shown in figure 5, the upper prop of extreme position can be descended towards a left side correspondence Lower inclination arrangement, to increase by the potential energy or kinetic energy of sorting object 8, it is ensured that can freely slip over upper prop face.

As shown in figure 4, by taking long 16.5cm, width 14cm, thickness are less than the facial mask of 1cm, qualified weight 25g as an example, it is desirable that claim Weight precision is 0.2g, single using the feeding unit material of the SCW/B415030 check weighing scale of Shandong SeTAQ Instruments Co., Ltd., weighing Member, rack, control cabinet, not rejecting repetition weighing precision when movement is 0.15g, 60 ms/min of facial mask movement speed, this reality With 2 or so the length 8cm of lower gliding mass of novel funnel-shaped pipe, the long 7.5cm of upper gliding mass 3 or so, funnel pipe inner width 20cm, infundibulate cylindrical body left side open height 5cm, the right open height 2cm, current divider 6 are located under overturning stroke The right end 1cm of the upper gliding mass 3 of extreme position is remote, is not highly overlapped section positioned at two extreme positions of funnel-shaped pipe corresponds to Middle position, as shown in figure 4, foundation face and lower cylinder constitute by between the feeding inlet of sorting object 8 and weighing unit 12 also It is provided with the time-delay mechanism 16 being made of smooth plates, the long 10cm of time-delay mechanism 16 or so, overturning drive device is cylinder 4, weight Amount qualified product pass through above current divider 6, it is underproof from current divider 6 below by the utility model experimental result are as follows: 1) by It quite, is simultaneously moved in upper gliding mass 3 and lower 2 area of gliding mass, when being spun upside down with hinged shaft 5 for axis, not to upper gliding mass 3 under Gas between gliding mass 2 generates biggish air pressure change, and the air between upper gliding mass 3 and lower gliding mass 2 is seldom squeezed by Fast Compression To the weighing-appliance on the left side, so, spinning upside down for left side feeding inlet does not seriously affect weighing precision, and weighing precision is only reduced to 0.185g fully meets production requirement；2) since facial mask between pipeline entirely by passing through, do not occur yet facial mask be sandwiched in pipeline with Situation among bracket；3) the unqualified facial mask being removed of all wt orderly comes out from the same spatial position, soft to fall The front on ground, facial mask mixes both facing to the same direction, without front and back sides, greatly facilitates subsequent processing.

Fig. 6 is existing preceding turnover panel technology, and the unqualified object of high speed is by the lower surface of the upper preceding turnover panel 31 overturn to the left It is directed into unqualified channel.Since preceding 31 lower surface of turnover panel is needed for being oriented to, the sliding of specification object, so overturning driving Mechanism is all located at preceding 31 two sides of turnover panel, and two sides must have bracket, so, when object deviates design Mobility Center line, it is difficult to protect Exhibit body is not sandwiched among preceding turnover panel 31 and bracket.The same left and right length 7.5cm of preceding turnover panel 31, width 20cm, current divider 6 The right end 1cm of turnover panel 31 is remote when being in lower extreme position, is not highly overlapped section positioned at two extreme positions of preceding turnover panel 31 Corresponding middle position, cylinder 4 drive, and weight qualified product passes through above current divider 6, underproof to lead to below current divider 6 It crosses, by taking long 16.5cm, width 14cm, thickness are less than the facial mask of 1cm, qualified weight 25g as an example, it is desirable that weighing precision 0.2g is adopted With feeding unit material, weighing unit, rack, the control cabinet of the SCW/B415030 check weighing scale of Shandong SeTAQ Instruments Co., Ltd., such as Shown in Fig. 6, in addition the time-delay mechanism 16 of 10cm long being made of smooth plates, repetition weighing precision when not rejecting movement are 0.15g, 60 ms/min of facial mask movement speed, test result is as follows: when 1) being downwardly turned over due to preceding turnover panel 31 with hinged shaft 5 for axis, Gas plenum is generated in preceding 31 lower part of turnover panel, leads to air-flow to the left in 12 upper surface of weighing unit, and preceding turnover panel 31 is to cut with scissors When axis 5 is flipped up for axis, low-pressure area is generated in preceding 31 lower part of turnover panel, leads to air-flow to the right, these have seriously affected a left side The weighing precision of side weighing-appliance；Weighing precision is reduced to 0.23g, cannot fully meet production requirement；2) it wanders off once in a while One jiao of facial mask be sandwiched in front of among the edge-on side of turnover panel 31 and the bracket of two sides;3) due to there is no pipeline discharge port, that is, do not have Have foundation face to the specification for being removed object, the facial mask being removed is scattered on very big lot, and front and back sides are mixed It is miscellaneous.

Embodiment 2: a kind of device for eliminating for check weighing scale, place same as Example 1 repeat no more, and difference exists In if slower by 8 speed of sorting object, as shown in figure 5, upper cylinder when being in lower extreme position can be arranged to the left Lower heeling condition slips over upper cylinder to ensure that potential energy can be obtained by sorting object 8 and be converted to speed, by sorting object 8 automatically Weight qualification is just slipped over along upper cylinder, unqualified to be just located at extreme position by overturning lower gliding mass 2, at this time by sorting object Body 8 just slides along foundation face, into unqualified channel.

Come down from left to right when by the inclination of sorting object 8, e.g., weighing unit 12 is the slide plate being in tilted layout to the right When, upper cylinder when being in lower extreme position can also be arranged to parallel with object supplied materials direction.

Embodiment 3: a kind of device for eliminating for check weighing scale, place same as Example 1 repeat no more, and difference exists In as shown in fig. 7, overturning drive device is the rotation drive devices such as rotating electric machine or rotating electromagnet or rotary pneumatic element 41, the pipeline overturning that rotation drive device 41 connect with hinged shaft 5, gliding mass 3, lower gliding mass 2 and vertical plate 7 form in driving, and can be with Rest on extreme position and lower extreme position.

Embodiment 4: a kind of device for eliminating for check weighing scale, place same as Example 1 repeat no more, and difference exists In, 12 discharge end of weighing unit install the first photoelectric detection system, device for eliminating discharge port end be equipped with the second photoelectricity inspection Device is surveyed, the detection of the first photoelectric detection system is by sorting object 8 and it is expected that upper cylinder or will enter lower cylinder, vertical plate thereon 7, at the time of the pipeline that foundation face surrounds, the detection of the second photoelectric detection system 14 is initially moved off and left completely by sorting object 8 Upper cylinder or at the time of leave lower cylinder, the pipeline that vertical plate 7, foundation face surround, and determine that pipeline overturns moment, Yi Mian with this When pipeline is overturn, feeding inlet and discharge port are clamped by sorting object 8.

Claims (10)

1. a kind of device for eliminating for check weighing scale, it includes rack, upper gliding mass, overturning drive device, hinged shaft, above and below upper gliding mass Two sides is smooth cylinder, is referred to as cylinder and lower cylinder, the bus of upper cylinder and lower cylinder be parallel to each other and with Hinged shaft is vertical, it is characterized in that further including lower gliding mass, the upper surface of lower gliding mass is smooth cylinder, referred to as foundation face, the mother in foundation face Line is vertical with hinged shaft, and foundation face and lower cylinder are head-on opposite, and upper cylinder and foundation face can be groove surface or semi-cylindrical or wave Line face or plane, upper gliding mass and lower gliding mass are rigidly connected by the vertical plate of at least side, and foundation face and lower cylinder are constituted in left end It is known as feeding inlet, foundation face and lower cylinder by the entrance of sorting object to constitute in right end by the outlet of sorting object referred to as discharging Mouthful, hinged shaft and vertical plate are rigidly connected and hinged shaft is close to discharge port, overturning drive device drive up and down gliding mass using hinged shaft as shaft pivot Turn certain angle.

2. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that go up gliding mass, lower gliding mass and stand Plate is respectively smooth plate, and foundation face and the minimum range of lower cylinder are greater than by the thickness of sorting object.

3. a kind of device for eliminating for check weighing scale according to claim 2, characterized in that pan feeding open height is greater than discharging Open height.

4. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that the right hand edge of vertical plate and the right The shape of edge is using hinged shaft as the circular arc in the center of circle.

5. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that setting shunts on the right of discharge port Device, the position height of current divider are located at the centre of discharge port corresponding upper extreme position and lower extreme position.

6. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that overturning drive device is straight line Cylinder, cylinder one end connect rack, and the other end of cylinder connects lower gliding mass, and perhaps vertical plate or overturning drive device are electric rotatings Machine or rotating electromagnet or rotary pneumatic element drive upper gliding mass, lower gliding mass to pivot by hinged shaft.

7. a kind of device for eliminating for check weighing scale according to claim 1, it is characterized in that the feeding inlet left side is additionally provided with Time-delay mechanism, time-delay mechanism are belt conveyor or smooth plate.

8. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that discharge outlet is in lower extreme position Upper prop when setting is in tilted layout towards lower-left.

9. a kind of device for eliminating for check weighing scale according to claim 1, characterized in that pacify in weighing unit discharge end The first photoelectric detection system is filled, the second photoelectric detection system is installed in device for eliminating discharge port end.

10. a kind of device for eliminating for check weighing scale according to claim 5, characterized in that current divider is smooth puts down Plate is bent by smooth plate: " 7 " font.