Bottle gripper
Technical field
The utility model is related to filling production equipment technologies, and in particular to the bottle gripper that bottle uses when conveying.
Background technology
In filling production process, bottle conveying needs to use bottle gripper.The structure of traditional bottle gripper includes:It is a pair of
Intermediate plate for bottleneck to be clamped, a pair of of intermediate plate are fixedly connected with a pair of of drive rod respectively, and every drive rod passes through axle sleeve and peace
Dress axis is connected, and is provided with compressed spring between the close tail end position of a pair of of drive rod, is set between the tail end of a pair of of drive rod
It is equipped with opening and closing driving mechanism, opening and closing driving mechanism can drive the tail end of a pair of of drive rod to be located remotely from each other, to drive a pair of of folder
Piece is gradually opened until the opening state that can be snapped into or take out in bottle;Opening and closing driving mechanism can also drive a pair of of drive
The tail end of lever is close to each other, to drive a pair of of intermediate plate gradually to close up, until in the closed state that can clamp bottleneck.
The structure of traditional bottle gripper can refer to technical solution disclosed in ZL2014103110112.
Traditional bottle gripper has the following defects:Spacing under closed state between a pair of of intermediate plate can not change, however
Since the bottleneck size for the bottle produced has fluctuation, this results in the elastic of bottleneck clamping force to differ, and bottleneck abrasion is existing
As serious, bottle gripper abrasion is big, and service life is short.
Utility model content
The utility model technical issues that need to address are:It is bottled to provide a kind of folder that can overcome bottleneck size influence of fluctuations
It sets.
To solve the above problems, the technical solution adopted in the utility model is:Bottle gripper, including:A pair is for being clamped
The intermediate plate of bottleneck and a pair of of drive rod, every drive rod include:Head and ontology, head offer the installation being inwardly recessed
The outer ledge position of slot, head is respectively formed driving portion;Each intermediate plate includes clamping part and interconnecting piece, the company of a pair of of intermediate plate
The first spring is connected between socket part, the first spring is in compressive state always, and the tail end of each intermediate plate interconnecting piece is embedded
It is installed in an installation axle in the mounting groove of a corresponding drive rod and with the head of the drive rod, each intermediate plate connection
The outer ledge position of portion's tail end is respectively formed retainer, and the second bullet is respectively connected between each retainer and corresponding driving portion
Spring, second spring are in compressive state always;It is provided with opening and closing driving mechanism between the ontology of a pair of of drive rod, opens and closes driving machine
Structure can drive the ontology of a pair of of drive rod to be located remotely from each other so that a pair of of driving portion difference push and block corresponding retainer around corresponding
Installation axle rotates, so that a pair of connecting portion is close to each other and a pair of of clamping part mutually closes up until being in can clamp
The closed state of bottleneck, later opening and closing driving mechanism the ontology of a pair of of drive rod can be driven close to each other so that a pair of of retainer
It bears against corresponding retainer respectively to rotate backward around corresponding installation axle, so that a pair of connecting portion is located remotely from each other and one
Clamping part is gradually opened until the opening state that can be snapped into or take out in bottle.
Further, bottle gripper above-mentioned, wherein the opening and closing driving mechanism includes:A piece drive that can be rotated
Moving axis, for drive shaft block between the ontology of a pair of of drive rod, the drive shaft is that cross section is short in transverse direction, longitudinally length is flat
The both lateral sides block of axis, drive shaft is lateral block, longitudinal both ends block of drive shaft between the ontology of a pair of of drive rod
It is longitudinal block between a pair of of drive rod;It is a pair of during drive shaft is gradually rotated by lateral block to longitudinal block
The ontology of drive rod is located remotely from each other, and a pair of of driving portion difference push and block corresponding retainer and rotated around corresponding installation axle so that one
It is close to each other to interconnecting piece, to make clamping part mutually close up until in the closed state that can clamp bottleneck;Work as driving
During axis is gradually rotated by longitudinal block to lateral block, the ontology of a pair of of drive rod is close to each other, a pair of of block part
Corresponding retainer is not born against to be rotated backward around corresponding installation axle so that a pair of connecting portion is located remotely from each other, to make a pair of of folder
The portion of holding is gradually opened until the opening state that can be snapped into or take out in bottle.
Further, bottle gripper above-mentioned, wherein drive longitudinal equal circular arc in both ends of shaft cross section smoothed
It crosses.
Further, bottle gripper above-mentioned, wherein the bottom of drive shaft is mounted in mounting base.
Further, bottle gripper above-mentioned, wherein each second spring between retainer and corresponding driving portion
Mounting structure includes:It is provided with spring groove on driving portion, in the spring groove of second spring installation, second spring stretches out spring groove
And it is connected on retainer.
The advantages of utility model is:One, simple and ingenious structure, low manufacture cost.Two, it is arranged between the interconnecting piece of intermediate plate
First spring, and second spring is set between retainer and driving portion, such structure can effectively overcome bottleneck size
Influence of fluctuations, when bottleneck size is above standard size, the first spring and retainer and driving portion between a pair of connecting portion
Between second spring resilience energy it is enough for providing surplus beyond standard-sized bottleneck, to be avoided that bottleneck is worn, extension
The service life of bottle gripper.
Description of the drawings
Fig. 1 is the structural schematic diagram that intermediate plate is in closed state in bottle gripper.
Fig. 2 is the structural schematic diagram that intermediate plate is in the open state in bottle gripper.
Fig. 3 is the mounting structure schematic diagram of intermediate plate, drive rod on the mounting shaft.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, bottle gripper, including:Intermediate plate 1 and a pair of of drive rod of a pair for bottleneck to be clamped
2.Every drive rod 2 includes:Head 21 and ontology 22, head 21 offer the mounting groove 211 being inwardly recessed, head 21 it is outer
Lateral edges position forms driving portion 212.Each intermediate plate 1 includes clamping part 11 and interconnecting piece 12, the interconnecting piece of a pair of of intermediate plate 1
The first spring 3 is connected between 12, the first spring 3 is in compressive state always, and the tail end of 1 interconnecting piece 12 of each intermediate plate is embedded
It is installed in an installation axle 4 in the mounting groove 211 of a corresponding drive rod 2 and with the head of the drive rod 2 21.Often
The outer ledge position of 1 interconnecting piece of a intermediate plate, 12 tail end is respectively formed retainer 121, each retainer 121 and corresponding driving portion
Second spring 5 is respectively connected between 212, second spring 5 is in compressive state always.Each retainer 121 and corresponding driving
The mounting structure of second spring 5 between portion 212 includes:Spring groove 51 is provided on driving portion 212, second spring 5 is pacified
In the spring groove 51 of dress, second spring 5 is stretched out spring groove 51 and is connected on retainer 121.
Opening and closing driving mechanism is provided between the ontology 22 of a pair of of drive rod 2, opening and closing driving mechanism can drive a pair of of driving
The ontology 22 of bar 2 is located remotely from each other so that a pair of of driving portion 21 distinguishes push and block and corresponding retainer 121 around corresponding installation axle 4
Rotation, so that a pair of connecting portion 12 is close to each other, and a pair of of clamping part 11 mutually closes up until in that can clamp bottle
The closed state of mouth.Opening and closing driving mechanism can drive the ontology 22 of a pair of of drive rod 2 close to each other later so that a pair of of retainer
121 bear against corresponding driving portion 212 respectively rotates backward around corresponding installation axle 4, so that the interconnecting piece of a pair of of intermediate plate 1
12 are located remotely from each other and a pair of of clamping part 11 is gradually opened until the opening state that can be snapped into or take out in bottle.
Opening and closing driving mechanism described in the present embodiment includes:A piece drive shaft 6 that can be rotated, the rotation of drive shaft 6
It can be driven and be realized by power parts such as motors.6 block of drive shaft is between the ontology 22 of a pair of of drive rod 2.The bottom of drive shaft 6
Portion is mounted in mounting base 7.The drive shaft 6 is cross section in laterally short, longitudinally length flat axis.Lateral the two of drive shaft 6
It is lateral block between the ontology 22 of a pair of of drive rod 2 to hold block, and longitudinal both ends block of drive shaft 6 is in a pair of of drive rod 2
Ontology 22 between be longitudinal block.For the ease of rotation, longitudinal equal circular arc in both ends of 6 cross section of drive shaft seamlessly transits.
During drive shaft 6 is gradually rotated by lateral block to longitudinal block, the ontology 22 of a pair of of drive rod 2 is located remotely from each other, and one
Push and block are distinguished to driving portion 212 and corresponding retainer 121 around the rotation of corresponding installation axle 4 so that a pair of connecting portion 12 is mutually leaned on
Closely, to make clamping part 11 mutually close up until in the closed state that can clamp bottleneck.When drive shaft 6 is by longitudinal block
During gradually rotating to lateral block, the ontology 22 of a pair of of drive rod 2 is close to each other, and a pair of of retainer 121 compresses respectively
Corresponding driving portion 212 to be rotated backward around corresponding installation axle 4 so that a pair of of 1 interconnecting piece 12 of intermediate plate is located remotely from each other, to make
A pair of of clamping part 12 is gradually opened until the opening state that can be snapped into or take out in bottle.
The utility model has the advantage of:One, simple and ingenious structure, low manufacture cost.Two, in the interconnecting piece 12 of intermediate plate 1
Between the first spring 3 is set, and second spring 5 is set between retainer 121 and driving portion 212, such structure can have
Effect overcomes the influence of fluctuations of bottleneck size, when bottleneck size is above standard size, the first spring between a pair of connecting portion 12
Second spring bullet 5 between 3 and retainer 121 and driving portion 212 can to provide surplus beyond standard-sized bottleneck,
To be avoided that bottleneck is worn, extend the service life of bottle gripper.