CN201218749Y

CN201218749Y - Intelligent combination scale

Info

Publication number: CN201218749Y
Application number: CNU2008201502255U
Authority: CN
Inventors: 下舞雄二
Original assignee: SHANGHAI YAMATO SCALE CO Ltd
Current assignee: SHANGHAI YAMATO SCALE CO Ltd
Priority date: 2008-06-30
Filing date: 2008-06-30
Publication date: 2009-04-08
Anticipated expiration: 2018-06-30

Abstract

The utility model relates to the technical field of weighting apparatus, more particularly an intelligent combined scale including a silencing hopper. The utility model comprises a hopper including a front, a back closed door in a synchronous or time-staggering linkage form, characterized in that a linkage member of the hopper closed door is further linked with one end of an arm, a roller extends horizontally on the other end of the arm; a drive device in the back of the hopper body is provided with a rotary shaft type stepping motor which is vertically connected with a circular disk type eccentric drive wheel via a horizontal rotary shaft, a vertical plane of the circular disk type drive wheel is right corresponding to a radial section position of the roller. The utility model mainly solves the technical issues that large noise is easily generated in prior art due to closing the front, back closed doors by means of driving of a linear spring, and is advantageous for creating a quiet operational ambient while usage of the apparatus.

Description

A kind of intelligent function scale

Technical field

The utility model relates to the equalizer technology field, particularly a kind of intelligent function scale with quiet hopper.

Background technology

Computer combination scale is the quantitative automatic packing weighing apparatus of a kind of smart group mould assembly that newly-developed gets up in the weighing apparatus industry.Chang Gui ration package scale was based on the metering of monobucket formula weighing unit in the past, and material particles is evenly for prerequisite.So only need possessing zero district, the type ration package scale sets, the time-delay sampling, and lead setting and drop correction can make weighing accuracy make it.And possess thick, finishing material and various judgement can improve charging speed.Yet in fact various material particles degree of uniformity differ, and various processed foods in food service industry especially account for sizable ratio such as individual weight such as dry and fresh fruit, candy, seafood products, local and special products sundry goods, vegetables are inhomogeneous.At present each big and medium-sized cities of China are along with the rise in supermarket, and prepackaged food has accounted for dominant position, and pre-package development has promoted the development of packing scale, however in the food of pre-packing most metal particles or block inhomogeneous type.If continue to utilize the packing scale of conventional monobucket or multibuchet metering for the packing of this article, on weighing accuracy and the speed all difficulty meet the demands.The computer combination scale of the inhomogeneous commodity of a kind of for this reason high-level efficiency metering packing arises at the historic moment.

The structure of computer combination scale and principle of work be as shown in Figure 1: material is delivered to addendum cone B by hoisting type conveyor A, when material is added to the horizontal level that sets in advance, places the material level detecting sensor on the addendum cone B to send signal, makes to promote conveyor A and stop charging.Reduce to predefined horizontal level when addendum cone B goes up the material horizontal level, then sensor sends beginning charging signal.The material that enters addendum cone B is delivered to feeder hopper D by linear oscillator feed appliance C, delivers to weighing bucket E by feeder hopper D again, and the material in weighing bucket E is weighed by LOAD CELLS F, and output signal is sent into microprocessor G.Owing on the circumferencial direction a plurality of weighing bucket E are arranged simultaneously, simultaneously with weighing-up wave input microprocessor G, carry out combinatorial operation at random by microprocessor G, touring detect combination and find out near the weighing bucket number of combinations of target weight, carry out first time and make up with the fastest speed.The interior material of weighing bucket E of choosing combination is by weighing bucket open and close controlling mechanism action, and material unloads, and gathers bucket I by chute H arrival, enters in the following automatic packaging machine.Choose the weighing of combination empty bucket except the last time this moment, the weighing bucket that its clout is full has begun combinatorial operation for the second time again, find out scale hooper near target weight, subsequently begin again and again to carry out for the third time continuously, the 4th combination, thereby reach at a high speed, the quantitative weighing of pin-point accuracy.We can be referred to as them for hopper above-mentioned feeder hopper D and weighing bucket E, and they all have open and close controlling mechanism, with control material are unloaded.

A kind of combination balance magazine attachment that provides according to existing market and data searching.It comprises support and the hopper of fixedlying connected with support, corresponding position, discharge end position with hopper on the support is provided with the door that closes that is used for discharging, support is provided with and can drives the drive unit that closes door, closes door and comprises Qian Hemen and the Hou Hemen that is oppositely arranged, and the preceding Men Yuhou of closing closes and is provided with bindiny mechanism between the door.This combination balance magazine attachment guarantees that material unloads toward the hopper below exactly, has avoided material to be scattered toward the external world, has prevented the waste of material, has improved the work efficiency of magazine attachment.

The driving device structure that door is closed in driving is as shown in Figure 2: it comprise an end be connected on the support and by this end and Qian Hemen, after close an elbow arm 100 of bindiny mechanism's interlock, these elbow arm 100 other ends extend one horizontally disposed 101; Also comprise an actuating arm 201 by the 200 connection drivings of rotating shaft drive motor, a roller 202 is set on this actuating arm 201, initial position just is positioned at axle 101 belows.When needs are beaten switching door, this actuating arm 201 rotates counterclockwise from initial position, and at this moment, the front end of actuating arm 201 upwards pushes the axle 101 of elbow arm to roller 202, and bindiny mechanism drives closes door and open; After this closed door and is opened to maximum, actuating arm 201 continued to rotate counterclockwise, and bindiny mechanism closes door and closes with multiple the driving under the effect of linear pattern spring.Actuating arm 201 is got back to initial position, and elbow arm 100 also can be returned to initial position under the effect of linear pattern spring, and like this, the forward and backward door that closes has just been closed.But there is following shortcoming in existing said structure:

1, close hopper forward and backward close the door be to realize by the moment restoring force of linear pattern spring, so just cause easily to close in the pass closed procedure and produce bigger noise, because combination balance generally all has a plurality of hoppers, the noise that therefore existing this structure is in use produced is quite big, is unfavorable for creating a quiet machine operation environment.

2, the serviceable life of linear pattern spring shorter, in case and spring rupture, then its breaking portion is easy to drop in the material.

The utility model content

The purpose of this utility model is to provide a kind of intelligent function scale, mainly solves in the existing product to close by the forward and backward door that closes of linear pattern spring driving, is easy to generate the technical matters of big noise, is beneficial to quiet operating environment of creation in equipment uses.

For achieving the above object, the technical solution of the utility model is:

A kind of intelligent function scale, it comprises having synchronously or the forward and backward hopper that closes door of the interlock form of staggering the time, and it is characterized in that: this hopper closes an end that further connects the elbow arm on the linkage part of door, roller of horizontal-extending on this elbow arm other end; Drive unit behind the bucket body of this hopper is provided with a rotary shaft stepper motor, and this motor is by the vertical collar plate shape eccentric drive wheel that connects of horizontal rotating shaft, and the vertical plane of this collar plate shape driving wheel is just corresponding to the radial section position of roller.

Described intelligent function scale is characterized in that: this collar plate shape driving wheel is taken turns between the ultimate range and minor increment of side to the collar plate shape driving wheel between rotating shaft connection axle center to the distance in roller axle center with the axle center that is connected of machine shaft.

Described intelligent function scale is characterized in that: this roller is provided with nonmetal wear-resisting cushioned material layer outward.

Described intelligent function scale, it is characterized in that: this hopper comprises bucket body, be connected the support body on the bucket body, by hinged member Qian Hemen and Hou Hemen are hinged on the support body of hopper lower opening portion, close after elbow arm rear end is hinged on by articulated elements on the square behind the door support body, and the turn-knob both ends of the spring that articulated elements wears is connected on elbow arm and the support body; After being connected to by articulated elements, the first hinge plate two ends close door and elbow arm one end to form linkage structure, close Men Yuhou before the second hinge plate two ends also are connected to by articulated elements and close and form syndeton between the door, this structure can finish Qian Hemen and after close door synchronous unlatching with stagger the time unlatching.

Described intelligent function scale is characterized in that: this turn-knob spring has the slip-off preventing fixed sturcture, in case make that spring breakage can not fall down yet.

By said structure, the utility model mainly has following advantage:

The utility model is by the eccentric driving wheel structure that connects, not only can open by the forward and backward door that closes of the roller driving of elbow arm, can also drive when closing by spring at the forward and backward door that closes, play the effect that certain buffering is closed, accomplish to close gently opening, gently closing of door, reduced the noise that operation is produced.

Description of drawings

Fig. 1 is the structure and the fundamental diagram of existing computer combination scale.

Fig. 2 is the driving device structure synoptic diagram that door is closed in existing driving.

Fig. 3 is the structural representation of the utility model one preferred embodiment.

Embodiment

See also Fig. 3, it is the structural representation of a preferred embodiments that the utlity model has the intelligent function scale of quiet hopper.As shown in the figure: the weighing hopper with intelligent function scale in scheming is an example, it comprises bucket body 10, be connected the support body 9 on the bucket body 10, by hinged member will be before close door 6 and after close door 5 and be hinged on the support body 9 of hopper 10 lower opening portions, after being hinged on by articulated elements, elbow arm 4 rear ends close on the support body 9 at door 5 rears, and turn-knob spring 7 two ends that articulated elements wears are connected to (turn-knob spring 7 is fixed on the support body 9 by screw 8 among the figure) on elbow arm 4 and the support body 9, after being connected to by articulated elements, first hinge plate, 51 two ends close door 5 and elbow arm 4 one ends to form linkage structure, second hinge plate, 61 two ends also by articulated elements connect respectively before close again door 6 with after close door and form syndeton between 5, this structure can finish Qian Hemen and after close the synchronous unlatching of door and the unlatching of staggering the time; Roller 3 of the other end horizontal-extending of above-mentioned elbow arm 4.Drive unit behind this bucket body 10 is provided with a rotary shaft stepper motor 1, this motor 1 is by the vertical collar plate shape eccentric drive wheel 2 that connects of horizontal rotating shaft, the vertical plane of this collar plate shape driving wheel 2 just (that is to say corresponding to the radial section position of roller 3, when collar plate shape driving wheel 2 rotates, roller 3 can be run in its side), these collar plate shape driving wheel 3 positions are in the side (as the top of the side among Fig. 3) of roller 3, when the elbow arm is in the original position (before, after when closing door closure state), the axle center that is connected of this collar plate shape driving wheel 2 and machine shaft connects the axle center to the distance in roller 3 axle center between rotating shaft and takes turns between the ultimate range and minor increment of side to collar plate shape driving wheel 2.In the time of so just can guaranteeing that rotating shaft electric motor 1 driver plate type driving wheel 2 rotates, in certain rotational angle range, drive elbow arm 4 and rotate (can drive elbow arm 4 in as Fig. 3 and clockwise rotate, open) to drive the forward and backward door that closes around the tie point of elbow arm 4 with support body 9.

The utility model structure advantage in use is: when collar plate shape driving wheel 2 drive forward and backward close door and open fully after (be collar plate shape driving wheel 2 turned over be connected side is taken turns in the axle center to driving wheel 2 ultimate range) with the contact point of roller 3, turn-knob spring 7 begins to drive forward and backward closing and begins to close.At this moment, the wheel side of driving wheel 2 begins again the forward and backward door that closes of closing is gradually played certain buffer action, and the action of so slowly closing helps reducing the noise that closes when closing.As shown in Figure 3: collar plate shape driving wheel 2 promptly contacts with roller 3 after rotating counterclockwise 45 degree by position among the figure, along with the increase of driving wheel 2 anglecs of rotation, closes door opening and also reaches maximum.Behind 180 degree, close the door opening angle and reduce gradually,, close door and under the effect of turn-knob spring 7, close fully when driving wheel 2 forwards 315 to when spending.Because drive unit is a uniform motion, so the Push And Release of hopper accounts for 3/4ths times of whole action in the whole cycle.So under constant prerequisite of whole time action cycle, the relative velocity of Push And Release is slower, reach by this structure and to close gently opening, gently closing of door, reduced noise.

In addition, even if turn-knob spring 7 ruptures, its breaking portion can be made spring can not fall down by the anti-drop structure of screw retention.

This roller 3 is coated with nonmetal wear-resisting padded coaming, closes an action before and after helping so further making correctly, and reduces noise.

As shown in Figure 3, the feed hopper of weighing hopper top also can use identical quiet hopper construction, and roller can be to stretch out from elbow arm one end level, also can be that level extends internally.

Being preferred embodiments of the present utility model only in sum, is not to be used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modification, all should be technology category of the present utility model.

Claims

1, a kind of intelligent function scale, it comprises having synchronously or the forward and backward hopper that closes door of the interlock form of staggering the time, and it is characterized in that: this hopper closes an end that further connects the elbow arm on the linkage part of door, roller of horizontal-extending on this elbow arm other end; Drive unit behind the bucket body of this hopper is provided with a rotary shaft stepper motor, and this motor is by the vertical collar plate shape eccentric drive wheel that connects of horizontal rotating shaft, and the vertical plane of this collar plate shape driving wheel is just corresponding to the radial section position of roller.

2, intelligent function scale according to claim 1 is characterized in that: this collar plate shape driving wheel is taken turns between the ultimate range and minor increment of side to the collar plate shape driving wheel between rotating shaft connection axle center to the distance in roller axle center with the axle center that is connected of machine shaft.

3, intelligent function scale according to claim 1 is characterized in that: this roller is provided with nonmetal wear-resisting cushioned material layer outward.

4, according to claim 1 or 2 or 3 described intelligent function scales, it is characterized in that: this hopper comprises bucket body, be connected the support body on the bucket body, by hinged member Qian Hemen and Hou Hemen are hinged on the support body of hopper lower opening portion, close after elbow arm rear end is hinged on by articulated elements on the square behind the door support body, and the turn-knob both ends of the spring that articulated elements wears is connected on elbow arm and the support body; After being connected to by articulated elements, the first hinge plate two ends close door and elbow arm one end, to form linkage structure; Close Men Yuhou before the second hinge plate two ends also are connected to by articulated elements and close between the door, form syndeton.

5, intelligent function scale according to claim 4, it is characterized in that: the turn-knob spring has the slip-off preventing fixed sturcture.