A kind of clip type bottle gripper with positioning function
Technical field
The present invention relates to pharmaceutical machine industries, and in particular to a kind of clip type bottle gripper with positioning function.
Background technique
In the process flow of pharmaceutical production, lamp inspection is an essential quality inspection links, therefore lamp inspection machine is pharmacy
A kind of critical equipment of industry.Existing lamp inspection machine currently on the market, folder bottle are divided into two kinds, should one is there is base type
When mode works, it is also necessary to which drug is pressed on pedestal by the compression bar above pedestal, when revolving bottle, is driven pedestal, is passed through by pedestal
Frictional force drives drug rotation;Another kind is clip type, clamps medicine bottle by clamping jaw, by driving clamping jaw, rotates medicine bottle.Two
, there are certain advantage and disadvantage in kind folder bottle mode;When using base type, revolve vial-type the advantages of be that medicine bottle middle line and rotation axis are same
Axis degree is good, and bubble generates less;It is the installation of power device, difficult in maintenance the disadvantage is that driving needs to be mounted below pedestal;Clamping jaw
The advantages of formula is that power is mounted above, and is maintained easily, and does not have pedestal, safeguards, is easy to clean;The disadvantage is that when clamping medicine bottle,
It is askew to be easy folder, keeps medicine bottle not coaxial with rotation axis, generates biggish centrifugal force and a large amount of bubbles;At present in industry there are also
Modified increases a pressure head such as in clamping jaw, and while clamping jaw grabs medicine bottle, pressure head pushes down medicine bottle;But lamp inspection machine testing
Deep bid and only one meshing point (point of contact of lamp inspection machine testing deep bid and bottle feeding device) of bottle feeding device are only nibbled in medicine bottle arrival
The moment of chalaza completes the movement that pressure head pushes and clamping jaw clamps, but in fact, requires to complete under pressure head a time point
The entire exercise of pressure and clamping jaw folder bottle, it is difficult to realize;In real work, clamps the time point of medicine bottle or shift to an earlier date or prolong
Afterwards, cause most of medicine bottle folders askew, when rotating medicine bottle, medical fluid generates a large amount of bubbles and biggish centrifugal force.
Summary of the invention
The present invention be directed to problem above, provide a kind of completely new drug method of clamping, press from both sides bottle for lamp inspection machine drug,
When can guarantee drug rotation, the middle line of drug and the concentricity of rotation axis reduce bubble, improve detection quality;And it drives
Flowing mode is located above detection deep bid, facilitates installation, maintenance.
The technical solution that the present invention solves these problems proposition is a kind of clip type bottle gripper with positioning function, it
The clamping jaw of pedestal and upper end including lower end, the clamping jaw include the rotatable outer sleeve being vertically arranged in bearing block;Institute
State the coaxially connected driving wheel in outer sleeve upper end;Be provided in the outer sleeve can oscilaltion pull rod;The pull rod lower end from
Outer sleeve extends out, and pull rod lower end is provided with pressure head;The outer sleeve lower end is hinged with clamping jaw arm in a ring;The clamping jaw arm
On be provided with guide groove;Cross bar is provided on the pull rod;Pin shaft is provided on the cross bar;The pin shaft, which is movably arranged on, leads
Into slot.
Further improvement of the present invention, the guide groove include that the interconnected upper guide groove for constituting V-shape is led under
To slot;Angle between the upper guide groove and lower guide groove is obtuse angle;The upper guide groove is arranged in parallel with pull rod;Under described
Guide groove favours pull rod setting, and lower end is arranged far from pull rod.
Further improvement of the present invention is cased with compressed spring on the pull rod;The compressed spring is located at outer sleeve lower end
Spring cavity in;The pull rod lower end is provided with for limiting the mobile stop collar of compressed spring;The stop collar is located at compression
Lower spring end.
Further improvement of the present invention, the pull rod lower end are provided with guide cylinder;Buffering elastic is provided in the guide cylinder
Spring;The pressure head is arranged in guide cylinder lower end;The pressure head upper end resists buffer spring.
Further improvement of the present invention, the pressure head bottom are provided with taper guiding groove.
Further improvement of the present invention, the rotation bottle that the pedestal includes hollow shaft and is arranged in hollow shaft by bearing
Seat.
Further improvement of the present invention, clamping jaw arm lower end are provided with collet.
Further improvement of the present invention, the driving wheel are synchronous pulley.
Compared with prior art, the advantages of this programme:
1, synthesis has the advantages of base type and clip type, and doing formula the bottom of using and carrying out positioning with pressure head only needs to position, and guarantees medicine bottle
Concentricity, while by clamping jaw, medicine bottle is clamped, rotary power is provided, medicine bottle is rotated.This folder bottle mode has solved pedestal
Formula power is in lower section, it has not been convenient to which the problem of installation maintenance and clip type concentricity is bad, and rotation bottle generates centrifugal force and bubble etc. and asks
Topic.
2, after medicine bottle enters meshing point, it is detached from original support track, enters pedestal, is revolved together with clamping jaw and pedestal
Turn, therefore clamping jaw has time enough to be positioned, clamped, and is not in that can not carry out effective position after leaving meshing point
Phenomenon.Meanwhile the clamping jaw of design compresses medicine bottle in pressure head, completes to clamp before positioning, therefore be not in that medicine bottle does not have
It has good positioning completely, the phenomenon of medicine bottle skew is caused with regard to clamping.Structure in this, it is ensured that medicine bottle is coaxial with rotation center line, revolve bottle when not
Bubble can be generated and got rid of a bottle phenomenon (when rotation decentraction, generate centrifugal force, lead to the not clamping medicine bottle of clamping jaw, medicine bottle is thrown away), mentioned
The Supreme People's Procuratorate's mass metering.
3, in the medicine bottle for same type, different size, as long as head is not much different, replacement clamping jaw head and pressure are not needed
Head, it is only necessary to replacement rotation bottle holder;For example, be used for ampoule bottle when, since head is directly not much different, there is no need to replace clamping jaw head and
Pressure head.The rotation bottle holder of pedestal is only needed to change, replacement specification is quickly, simply.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is part A enlarged structure schematic diagram in Fig. 1;
Fig. 3 is clamping jaw upper end enlarged structure schematic diagram of the invention;
Fig. 4 is pedestal enlarged structure schematic diagram of the invention;
Fig. 5 is that the present invention clamps the structural schematic diagram after medicine bottle.
In figure: 1, driving wheel;2, bearing block;3, pull rod;31, cross bar;32, pin shaft;4, outer sleeve;41, spring cavity;42,
Installation set;5, compressed spring;6, clamping jaw arm;7, collet;8, pressure head;9, hollow shaft;10, bottle holder is revolved;11, medicine bottle;12, it is oriented to
Cylinder;13, buffer spring;14, stop collar;61, guide groove;611, upper guide groove;612, lower guide groove.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, with reference to the accompanying drawing to the present invention into
Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to protection scope of the present invention
Effect.
As shown in Figs. 1-5, specific structure of the invention are as follows: a kind of clip type bottle gripper with positioning function, it includes
The pedestal of lower end and the clamping jaw of upper end, the clamping jaw include the rotatable outer sleeve 4 being vertically arranged in bearing block 2;It is described
The coaxially connected driving wheel 1 in 4 upper end of outer sleeve;Be provided in the outer sleeve 4 can oscilaltion pull rod 3;3 lower end of pull rod
It extends out from outer sleeve 4,3 lower end of pull rod is provided with pressure head 8;4 lower end of outer sleeve is hinged with clamping jaw arm 6 in a ring;Institute
It states and is provided with guide groove 61 on clamping jaw arm 6;Cross bar 31 is provided on the pull rod 3;Pin shaft 32 is provided on the cross bar 31;Institute
Pin shaft 32 is stated to be movably arranged in guide groove 61.
Preferred one embodiment, the guide groove 61 include being interconnected the upper guide groove 611 for constituting V-shape under
Guide groove 612;Angle between the upper guide groove 611 and lower guide groove 612 is obtuse angle;The upper guide groove 611 and pull rod 3
It is arranged in parallel;The lower guide groove 612 favours the setting of pull rod 3, and lower end is arranged far from pull rod 3.
Preferred one embodiment is cased with compressed spring 5 on the pull rod 3;The compressed spring 5 is located under outer sleeve 4
In the spring cavity 41 at end;3 lower end of pull rod is provided with for limiting the mobile stop collar 14 of compressed spring 5;The stop collar
14 are located at 5 lower end of compressed spring.
Preferred one embodiment, 3 lower end of pull rod are provided with guide cylinder 12;Buffering is provided in the guide cylinder 12
Spring 13;The pressure head 8 is arranged in 12 lower end of guide cylinder;8 upper end of pressure head resists buffer spring 13.
Preferred one embodiment, 8 bottom of pressure head are provided with taper guiding groove.Taper guiding groove may be implemented
Medicine bottle upper end is automatically positioned, medicine bottle and clamping jaw concentric rotation axis are promoted.
Preferred one embodiment, the rotation bottle holder that the pedestal includes hollow shaft 9 and is arranged in hollow shaft 9 by bearing
10。
Preferred one embodiment, 6 lower end of clamping jaw arm are provided with collet 7.Collet 7 can use silica gel material, both
Can position to medicine bottle will not damage medicine bottle again.
Preferred one embodiment, the driving wheel 1 are synchronous pulley.Outer sleeve 4 is driven to rotate by synchronous pulley, from
And clamping jaw arm is driven to rotate.
Working principle of the invention is as follows:
Pedestal is installed on detection chassis, does not need to provide rotation bottle power, is only rotated together with medicine bottle when revolving bottle, play branch
Support effect;On deep bid, it is provided with the clamping jaw of telescopic press head, synchronous pulley is installed on clamping jaw, driven and pressed from both sides by synchronous belt
Pawl, driving medicine bottle rotation.And clamping jaw is not clamped in the last period distance that telescopic press head presses down, and pressure heads is waited to compress medicine bottle,
After completing positioning, clamping jaw just starts to clamp medicine bottle.Chassis and deep bid rigid connection are detected, corresponding rotation bottle base and clamping jaw are made
Moment keeps coaxial.
The present invention is a kind of clip type bottle gripper with positioning function, as shown in Figure 1, whole device includes pedestal and folder
Pawl, pedestal are made of rotation bottle holder 10, bearing, hollow shaft 9;Bearing is mounted in hollow shaft 9, and rotation bottle holder 10 is mounted on bearing outer ring
On, rotation bottle holder 10 is freely rotatable.
Clamping jaw is made of clamping jaw arm 6, collet, pressure head 8, cross bar 31, pull rod 3, outer sleeve 4, bearing block 2, driving wheel 1.Its
Bottom bracket 2 is mounted on deep bid, and outer sleeve 4 is mounted on bearing block 2 by bearing, and pin shaft, clamping jaw are equipped on outer sleeve 4
One of arm 6 is mounted on outer sleeve, can rotate around pin shaft;Railing is oriented to by the linear bearing being mounted on outer sleeve 4, is protected
Card pull rod can only move up and down, and cross bar 31 is arranged in 3 lower end of pull rod, and the pin shaft 32 on cross bar 31 can be in the guide groove 61 of clamping jaw arm
The guide groove 61 of movement, clamping jaw arm is formed vertically for upper guide groove 611 and one section of lower guide groove 612 being inclined outwardly by one section,
The collet 7 of certain elastic (such as silica gel) is installed on clamping jaw arm;Pull rod bottom and guide cylinder 12 are fixed, and pressure head 8 is mounted on
There is linear bearing positioning on guide cylinder 12, between pressure head and guide cylinder, buffer spring 13 is installed among pressure head and guide cylinder.
Before medicine bottle 11 enters meshing point, under the action of compressed spring 5, pressed down by pull rod 3 with dynamic head 8, still
It is required that pressure head 8 is higher than medicine bottle when reaching meshing point, after medicine bottle 11 enters meshing point, 11 bottom of medicine bottle enters the rotation bottle of pedestal
Seat 10, pull rod is under outer power drive, and band dynamic head presses down rapidly, and medicine bottle head enters in the conical recess of pressure head, medicine bottle, bottom
Seat, clamping jaw device follow deep bid to rotate together;Then pressure head continues to push, since the groove that pressure head is contacted with medicine bottle is taper,
With guiding role, the position of medicine bottle can be corrected automatically, and pressure head and pedestal cooperate at this time, complete the positioning of medicine bottle;By
Be that one section is vertical and one section of outside inclined groove is composed in the guide groove on clamping jaw arm, cross bar pin shaft in groove
When vertical section moves, clamping jaw wall is not clamped, thus clamping jaw wall is failure to actuate at this time;Then pull rod continues to push, the buffering on pressure head
Spring is compressed, and fall head is constant, and when the pin shaft on cross bar enters the inclined groove section of clamping jaw arm, clamping jaw arm starts to inner clip
Tightly, until clamping medicine bottle completely.
It unclamps medicine bottle process and clamps on the contrary, when unclamping, clamping jaw arm first unclamps under the drive of movable transverse lever pin axis, so
Pressure head unclamps afterwards.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or equipment for including a series of elements not only includes those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or equipment institute it is intrinsic
Element.
Used herein a specific example illustrates the principle and implementation of the invention, the explanation of above example
It is merely used to help understand method and its core concept of the invention.The above is only a preferred embodiment of the present invention, it answers
When pointing out due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common skill of the art
For art personnel, without departing from the principle of the present invention, several improvement, retouching or variation can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined in the right way;These improve retouching, variation or combination, or the not improved structure by invention
Think and technical solution directly applies to other occasions, is regarded as protection scope of the present invention.