Summary of the invention
Present invention is primarily targeted at a kind of metering device for conveyer of offer, this metering device can avoid interfering with each other of front and back article to be measured, improves the accuracy of metering.
For reaching object above, the present invention provides a kind of metering device for conveyer, including:
One base, described base is adapted to mount to the front end of conveyer;
One transport unit, described transport unit includes multiple roll shaft, each described roll shaft is rotatably installed on described base, the rear end of described transport unit is relative with the front end of conveyer, conveyer drives each article to be measured to move forward along described driving section, article to be measured are moved forward by described roll shaft, and described roll shaft is for reducing frictional force when article to be measured advance;
Two measurement unit, measurement unit described in two is located at the front of described transport unit side by side, thus article to be measured fit along described transport unit and enter wherein measurement unit described in, each described measurement unit includes weight-measuring device and transporter, described weight-measuring device is located at below described transporter, the article to be measured entering described measurement unit first move to check weighing on described weight-measuring device by described transporter, then remove described measurement unit under the driving of described transporter;And
nullOne allocates portion,Block is allocated including a baffle plate and one,Described baffle plate is located at described in two between measurement unit,Just to the article to be measured in described transport unit,Described block of allocating is rotatably arranged in the rear end of described baffle plate,The described rear end allocating block extends to form one first and allocates inclined-plane and one second and allocate inclined-plane before being tilted towards from both sides,Described block of allocating is suitable to rotate between the first location and the second location,When described allocate block turn to primary importance time,Described first front end allocating inclined-plane turns in measurement unit described in first,Described first rear end allocating inclined-plane turns to measurement unit described in second,So that the article to be measured in described transport unit enter measurement unit described in first under described first guiding allocating inclined-plane,Enter the article to be measured of measurement unit described in first stir in the process advanced described in allocate block and turn to the second position from primary importance,Thus described second front end allocating inclined-plane turns in measurement unit described in second,Described second rear end allocating inclined-plane turns to measurement unit described in first,Ensuing article to be measured are made to enter measurement unit described in second under described second guiding allocating inclined-plane.
Preferably, each described measurement unit includes a measurement unit locating part, described in two, measurement unit locating part can be adjustably mounted to the both sides of described base respectively, and measurement unit locating part described in two is relative with the described described baffle plate allocating portion respectively, described in two, the distance between measurement unit locating part and described baffle plate can be adjusted according to the size of article to be measured.
Preferably, described transport unit also includes two transport unit locating parts, two transport unit guiding pieces and two flexible connectors, described in two, transport unit locating part can be adjustably mounted to the both sides of described base, thus being formed over a straight channel at described roll shaft, described in two, the distance between transport unit locating part can be adjusted according to the size of article to be measured;One end of transport unit guiding piece described in two is hinged with the rear end of transport unit locating part described in two respectively, described in two, the other end of transport unit guiding piece is suitable to be separately mounted to the both sides of conveyer, thus forming a funnel-shaped passage at the rear of described straight channel, so that the article to be measured on conveyer enter described straight channel smoothly;Described in two, one end of flexible connector is hinged with the front end of transport unit locating part described in two respectively, described in two, the other end of flexible connector is connected with measurement unit locating part adjustable ground described in two respectively, thus forming a funnel-shaped passage before described straight channel, when described transport unit locating part or described measurement unit locating part adjust position, described flexible connector correspondingly occurs flexible and rotates.
Preferably, described flexible connector includes the first extensible member, the second extensible member and flexible guiding piece, one end of described first extensible member is hinged with described transport unit locating part, described second extensible member is telescopically sheathed on the other end of described first extensible member, one end of described flexible guiding piece is hinged with described second extensible member, and the other end of described flexible guiding piece can be located at described measurement unit regulating part movably forward and backward.
Preferably, the described transporter of described measurement unit includes conveyer belt, conveyer belt driving shaft and conveyer belt driven shaft, the described conveyer belt driving shaft of measurement unit described in two axially connects, the described conveyer belt driven shaft of measurement unit described in two axially connects, described conveyer belt driving shaft and described conveyer belt driven shaft can be located to axial rotation described base, described conveyer belt is located between described conveyer belt driving shaft and described conveyer belt driven shaft, up and down between band of described conveyer belt be located at by described weight-measuring device, described metering device also includes a transmission component, described transmission component is used for driving described conveyer belt driving shaft to rotate.
nullPreferably,Described transmission component includes a rotation axle、Two synchronous pulleys、One Timing Belt、One rocking arm and a runner,Described rotation axle is rotatably arranged in described base,One end of described rotation axle is coordinated by gear with described conveyer belt driving shaft,Described conveyer belt driving shaft is driven to rotate thereby through described rotation axle,Described rocking arm is rotatably arranged in described base,One end of described rocking arm extends to described transport unit,Described runner is rotatably arranged in one end of described rocking arm,By rotating described rocking arm,Runner described in scalable is relative to the position of described transport unit,Described runner circumferentially equally spaced extends multiple runner driving lever to external radiation,So that when the article to be measured of described transport unit advance,Constantly stir described runner driving lever,So that described runner rotates continuously,Synchronous pulley described in described runner and connects,Another described synchronous pulley is connected with described rotation axle,Described Timing Belt is located at described in two between synchronous pulley,Thus when described runner rotates,Each described synchronous pulley is driven to rotate,And then drive described rotation axle to rotate.
Preferably, described runner also includes multiple prolongation driving lever, and each described prolongation driving lever is telescopically located on each described runner driving lever, for the length adjusting described runner driving lever.
First the above preferred embodiment of the present invention has the advantages that, front and back two article to be measured are allocated to two independent weight-measuring devices and carried out check weighing, it is to avoid before and after two article to be measured interfere with each other so that the measurement of article to be measured is more accurate;Secondly, the metering device of the present invention goes for various sizes of article to be measured, improves the versatility of described metering device;The metering device of the present invention need not increase extra power set can realize continuous check weighing, and the kinetic energy that article to be measured advance is converted into the kinetic energy of measurement unit transporter mainly by transmission component.
Detailed description of the invention
It is described below for disclosing the present invention so that those skilled in the art are capable of the present invention.Preferred embodiment in being described below is only used as citing, it may occur to persons skilled in the art that other apparent modification.
Fig. 1,2 showing that the preferred embodiment of metering device of the present invention is arranged on the conveyer 100 of transport article 101 to be measured, each article 101 to be measured are transported to described metering device by conveyer 100 successively.Wherein article 101 to be measured can be carafe, bottle etc..
Fig. 3-Fig. 6 shows described metering device, and described metering device includes: base 2, transport unit 3, two measurement unit 4 and allocates portion 5.
Base 2 is arranged on the front end of conveyer 100.
Transport unit 3 includes multiple roll shaft 31, each roll shaft 31 is rotatably installed on base 2, the rear end of transport unit 3 is relative with the front end of conveyer 100, thus conveyer 100 drives article 101 to be measured to move to driving section 3, article 101 to be measured are moved forward along transport unit 3 by roll shaft 31.It is noted that roll shaft 31 be not active rotation, and it being as moving and rotating of determinand product 101, the article to be measured 101 entering transport unit 3 rely on rear to move forward also in the promotion of the article to be measured on conveyer 100.
Two measurement unit 4,5 are located at the front of transport unit 3 side by side, thus article 101 to be measured fit along transport unit 3 and enter the first measurement unit 4 or the second measurement unit 5, each measurement unit 4,5 includes weight-measuring device 41,51 and transporter 42,52, weight-measuring device 41,51 is located at below transporter 42,52, the article to be measured 101 entering measurement unit 4,5 first move to check weighing on weight-measuring device 41,51 by transporter 42,52, then remove measurement unit 4,5 under the driving of transporter 42,52.
nullAllocate portion 6 to include a baffle plate 61 and and allocate block 62,Baffle plate 61 is located at two measurement unit 4、Between 5,Just to the article to be measured 101 in transport unit 3,Allocate block 62 and be rotatably arranged in the rear end of baffle plate 61,Allocate and extend to form one first before the rear end of block 62 is tilted towards from both sides and allocate inclined-plane 621 and one second and allocate inclined-plane 622,Allocate block 62 to be suitable to rotate between the first location and the second location,When allocating block 62 and turning to primary importance,First front end allocating inclined-plane 621 turns in the first measurement unit 4,First rear end allocating inclined-plane 621 turns to the second measurement unit 5,So that the article to be measured 101 in transport unit 3 enter the first measurement unit 4 under the first guiding allocating inclined-plane 621,Enter the article to be measured 101 of the first measurement unit 4 to stir in the process advanced and allocate block 62 and turn to the second position from primary importance,Thus the second front end allocating inclined-plane 622 turns in the second measurement unit 5,Second rear end allocating inclined-plane 622 turns to the first measurement unit 4,Ensuing article to be measured 101 are made to enter the second measurement unit 5 under the second guiding allocating inclined-plane 622.
Preferably, described in allocate block 62 and also include an extension device 623, the effect of described extension device 623 is in that to extend described first and allocates inclined-plane 621 and described second and allocate the length on inclined-plane 622, is suitable for allocating various sizes of article to be measured 101.
Further, measurement unit 4,5 includes a measurement unit locating part 43,53, two measurement unit locating parts 43,53 can be adjustably mounted to the both sides of base 2 respectively, and two measurement unit locating part 43,53 relative with the described baffle plate 61 allocating portion 6 respectively, the distance between two measurement unit locating parts 43,53 and baffle plate 61 can be adjusted according to the size of article 101 to be measured.
Further, transport unit 3 also includes two transport unit locating part 32, two transport unit guiding piece 33 and two flexible connectors 34, two transport unit locating parts 32 can be adjustably mounted to the both sides of base 2, thus being formed over a straight channel at roll shaft 31, the distance between two transport unit locating parts 32 can be adjusted according to the size of article 101 to be measured;One end of two transport unit guiding pieces 33 is hinged with the rear end of two transport unit locating parts 32 respectively, the other end of two transport unit guiding pieces 33 is separately mounted to the both sides of conveyer 100, thus forming a funnel-shaped passage at the rear of described straight channel, so that the article to be measured 101 on conveyer 100 enter described straight channel smoothly;One end of two flexible connectors 34 is hinged with the front end of two transport unit locating parts 32 respectively, the other end of two flexible connectors 34 is connected with two measurement unit locating part 43,53 adjustable grounds respectively, thus forming a funnel-shaped passage in described straight channel front, when transport unit locating part 32 or measurement unit locating part 43,53 adjust position, flexible connector 34 correspondingly occurs flexible and rotates.
It is noted that the distance between two transport unit locating parts 32 can be adjusted to the diameter being a bit larger tham article 101 to be measured, article 101 to be measured are so conducive to form left right-alternative arrangement mode in advance, it is simple to allocate block 62 and each article 101 to be measured are allocated.
Further, flexible connector 34 includes the first extensible member the 341, second extensible member 342 and flexible guiding piece 343, one end of first extensible member 341 is hinged with transport unit locating part 32, second extensible member 342 is telescopically sheathed on the other end of the first extensible member 341, one end of flexible guiding piece 343 is hinged with the second extensible member 342, and the other end of flexible guiding piece 343 can be located at measurement unit regulating part 43,53 movably forward and backward.
The transporter 42,52 of measurement unit 4,5 includes conveyer belt 421,521, conveyer belt driving shaft 422,522 and conveyer belt driven shaft 423,523.Conveyer belt driving shaft 422,522 and conveyer belt driven shaft 423,523 are rotatably arranged in base 2, the conveyer belt driving shaft 422 of the first measurement unit 4 is axially connected with the conveyer belt driving shaft 522 of the second measurement unit 5, the conveyer belt driven shaft 432 of the first measurement unit 4 is axially connected with the conveyer belt driven shaft 532 of the second measurement unit 5, conveyer belt 421,521 is located between conveyer belt driving shaft 422,522 and conveyer belt driven shaft 423,523, and up and down between band of conveyer belt 421,521 be located at by weight-measuring device 42,52.
Preferably, weight-measuring device 41,51 is pressure transducer, pressure transducer 41,51 is close to the part being in top of conveyer belt 421,521, thus when conveyer belt 421 drives article 101 to be measured to move on pressure transducer 41,51, pressure transducer 41,51 pairs article 101 to be measured carry out check weighing.
Preferably, measurement unit 4,5 also includes display device, and display device is suitable to the numerical value that display pressure transducer 41,52 records.
Described metering device also includes a transmission component 7, and transmission component 7 is used for driving conveyer belt driving shaft 422 to rotate.Transmission component 7 includes rotation axle 71, two synchronous pulley 72, Timing Belt 73, rocking arm 74 and a runner 75, rotate axle 71 and be rotatably arranged in base 2, the one end rotating axle 71 is coordinated by gear with conveyer belt driving shaft 422, drives conveyer belt driving shaft 422 to rotate thereby through rotating axle 71.Rocking arm 74 is rotatably arranged in base 2, and one end of rocking arm 74 extends to transport unit 3.Runner 75 is rotatably arranged in one end of rocking arm 74, by rotating rocking arm 74, the runner 75 position relative to transport unit 3 can be regulated, runner 75 circumferentially equally spaced extends multiple runner driving lever 751 to external radiation, so that constantly stirring runner driving lever 751 when the article to be measured 101 of transport unit 3 advance, so that runner 75 rotates continuously, runner 75 is connected with a synchronous pulley 72, another synchronous pulley 72 is connected with rotating axle 71, Timing Belt 73 is located between two synchronous pulleys 72, thus when runner 75 rotates, each synchronous pulley 72 is driven to rotate, and then drive rotation axle 71 to rotate.
Preferably, described runner 75 also includes multiple prolongation driving lever 752, and each driving lever 752 that extends telescopically is located on each runner driving lever 751, for adjusting the length of runner driving lever 751, so that runner driving lever 751 can be adjusted according to the size of article 101 to be measured.
Fig. 7 and Fig. 8 respectively illustrates the described metering device of the present invention and the carafe that two kinds of sizes are different is carried out check weighing.The diameter of the carafe to be measured in Fig. 7 is less, distance between two transport unit locating parts 32 is less, measurement unit locating part 43,53 is also less to the distance of baffle plate 61, and the prolongation driving lever 752 on runner 75 is in contraction state, allocates the length of block 62 just for allocating each carafe.Being relatively large in diameter of the carafe to be measured of Fig. 8, distance between two transport unit locating parts 32 is bigger, measurement unit locating part 43,53 is also relatively big to the distance of baffle plate 61, and the prolongation driving lever 752 on runner 75 is in elongation state, allocates block 62 and too increases extension device to adapt to the size of carafe.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; simply principles of the invention described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within claimed the scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.