CN206316735U - A kind of pre-filled syringe push rod accurate assembly machine - Google Patents
A kind of pre-filled syringe push rod accurate assembly machine Download PDFInfo
- Publication number
- CN206316735U CN206316735U CN201621342388.4U CN201621342388U CN206316735U CN 206316735 U CN206316735 U CN 206316735U CN 201621342388 U CN201621342388 U CN 201621342388U CN 206316735 U CN206316735 U CN 206316735U
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- CN
- China
- Prior art keywords
- push rod
- essence
- needle tubing
- roller
- rotating disk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of pre-filled syringe push rod accurate assembly machine, including rotating disk, rotating disk includes the upper plectane and middle plectane being coaxially disposed from top to bottom, the U-shaped needle tubing that middle plectane periphery is uniformly provided with multiple outward openings places mouth, upper plectane is provided with push rod bayonet socket, and U-shaped needle tubing places inner side below mouth and is correspondingly provided with a pair of carrying rollers；The axis of carrying roller is parallel with the rotary shaft of rotating disk；It is provided with the outside of rotating disk on the inside of a pretwist brake pad, pretwist brake pad provided with the arc gap coaxial with rotating disk, pretwist brake pad rear side turns round roller provided with essence, and smart torsion roller is arranged below turns round the essence torsion roller drive mechanism that roller is connected with essence.The utility model is using pretwist brake pad and push rod is first carried out big pretension, roller is turned round by essence closely to be tightened, so that push rod is connected in place with elastic plug, prevent occurring parenteral solution seepage in use again, the assembling quality and production capacity of push rod are improved, the cost of push rod assembling is reduced.
Description
Technical field
The utility model is related to pre-filled syringe syringe push rod assembly equipment technical field, more particularly to a kind of Prefilled needle
Pipe push rod accurate assembly machine.
Background technology
As the development and healthcare givers of biological medicine technology are to the ease of use, reliability and security of medicine
Requirement increase day by day, quick increased trend is all presented in use this year of pre-filled needle tubing in the world, for pre-filled needle tubing
Assembling and the device requirement of packaging be consequently increased.
The benefit of pre-filled needle tubing has the working procedure that dosage is accurate, avoids cross pollution, simplify front medical personnel,
And the unexpected chance occurred of reduction etc..
The basic structure of pre-filled needle tubing is as shown in Fig. 2 production procedure includes：Accurate liquid drug → sealing plug → inspection
Look into → labelling → and push rod → packaging is installed.
In the technical process for assembling pre-filled needle tubing, there is one all the time the problem of ignored by people：Push rod be with
Engagement thread is combined with plug, in the assembling process of automation, to control to push rod to stop when being completely screwed into plug screw thread
Only, it if push rod precession is not enough, can cause to release in transportation in the future, but if push rod is screwed in excessively, just may make glue
With needle wall relative slip occurs for plug, just may break the sealing of plug, so that have influence on the shelf-life of medicine etc..And it is existing
There is general processing mode in technology：
(A) it is fixed to rotate the number of turns：The number of turns that push rod and needle tubing are relatively rotated is controlled, such as, screw thread has three
Circle, that just controls to relatively rotate as three circles etc.；
(B) even twisting moment：The moment of torsion that i.e. control driving push rod is relatively rotated with needle tubing reaches push rod in a smaller value
Driving torque can not make plug be skidded with needle interior wall during extreme position.
The problem of being produced using (A)：Because the relative position of push rod and plug screw thread is random, three circle institutes are rotated
The final result drawn is just probably that push rod only enters two circles of plug between three circles, central, into minimum situation just
It may be led to that push rod is released in the future.And if the increase of the rotation number of turns, this has partial picture to occur to twist phenomenon to awareness of defecation taste, i.e.,
Push rod is reached behind plug bottom, and rotation is continued to, and then plug will be slided with needle interior wall.
The problem of being produced using (B)：Turn the resistance moment of torsion that moment of torsion and plug needed for needle tubing are provided with needle wall
All very littles, driving torque, which will must be controlled in after can just make between the two push rod in place, to be stopped, be accurately in whole mistake
Process control is to driving torque, and relatively rotating just will slow down, and the cycle time that whole push rod is screwed into just increases, and production capacity just drops significantly
It is low.In this case, the way that can typically improve production capacity is the operating mode using multi-station turning formula, but just means to need
Set drive devices more are used, are moved with needle tubing and push rod synchronous revolving, complete equipment will be quite complicated greatly, and cost is also by again
Number increase.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of pre-filled syringe push rod accurate assembly machine, solves and pushes away
The problem of bar assembles low of poor quality, production capacity and high cost.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：
A kind of pre-filled syringe push rod accurate assembly machine, including rotating disk, the rotating disk include what is be coaxially disposed from top to bottom
Upper plectane and middle plectane, the U-shaped needle tubing that the middle plectane periphery is uniformly provided with multiple outward openings are placed on mouth, the upper plectane
Provided with multiple push rod bayonet sockets corresponding with U-shaped needle tubing placement mouth, the U-shaped needle tubing is placed inner side below mouth and is correspondingly provided with
A pair of carrying rollers；The axis of the carrying roller is parallel with the rotary shaft of rotating disk；A pretwist brake pad is provided with the outside of the rotating disk, it is described pre-
Turn round and the arc gap coaxial with the rotating disk is provided with the inside of brake pad, roller is turned round provided with essence on rear side of the pretwist brake pad, it is described
Essence torsion roller is arranged below the essence being connected with the essence torsion roller and turns round roller drive mechanism.
Further, hold-down devices are provided with above the push rod bayonet socket of the pretwist brake pad front end.
Further, the hold-down devices are elastic hold-down devices.
Further, the elastic hold-down devices are the acclivitous top pressure shell fragment in front end.
Further, the outside of the upper plectane is provided with before the block arc coaxial with the rotating disk, the block arc
End face is located on front side of the top pressure shell fragment, and the block arc rear end face is located at the essence and turned round on rear side of roller.
Further, the essence turns round roller drive mechanism and turns round motor for essence.
Further, the lower plectane coaxial with the middle plectane is arranged below in the middle plectane, and the carrying roller is located at described
Between middle plectane and the lower plectane.
Further, it is all to be vertically arranged that the push rod bayonet socket and the U-shaped needle tubing, which place mouth,.
Further, the material of the pretwist brake pad is rubber.
The beneficial effect that the utility model is produced has：
The utility model is decomposed into whole control process at the pretwist of the fixed number of turns and the smart torsion circle section of even twisting moment, simplifies
Whole control process, due to need to only realize that, relative to micro rotation, velocity of rotation can slow down and reach more accurate when essence is turned round
The effect of control mode.Meanwhile, employ the mode of limitation push rod rotation and driven syringe to produce relative rotation, including push rod
And needle tubing is outside, needle tubing has more release position, and drive mechanism can directly contact needle tubing, can more simply realize drive
It is dynamic.Compared to the mode that traditional mode clamps needle tubing and rotating push-rod, the utility model then provides simply, accurately, and more hold
Manageable benefit.
2nd, the device in the utility model realizes pretwist using the mode of peripheral friction, and can be by the length of the sassafras block that rubs
Spend to control pretwist amount, it is simple and effective, and allow that needle tubing is continuously run, improve capacity efficiency.
3rd, the device in the utility model is run using the mode of continuous rotary, greatly improves capacity efficiency, but due to pre-
Turn round and essence is turned round and can be driven to frictionally in needle tubing periphery, drive mechanism is just without with material movement, equipment is just
Can be simpler compact, greatly reduce cost.
Brief description of the drawings
Fig. 1 be a kind of pre-filled syringe push rod accurate assembly machine of the utility model in assembling process one embodiment it is vertical
Body structural representation；
Fig. 2 is the planar structure schematic diagram of pre-filled needle tubing.
Figure number and its explanation：
1st, block arc；2nd, top pressure shell fragment；3rd, upper plectane；4th, push rod；5th, push rod bayonet socket；6th, carrying roller 6；7th, needle tubing；8th, it is pre-
Turn round brake pad 9, essence and turn round roller；10th, essence turns round motor；11st, middle plectane；12nd, lower plectane；13rd, arc port is aided in；14th, U-shaped needle tubing is put
Put mouth；15th, needle tubing bulge loop；16th, elastic plug；17th, syringe needle；18th, pin mouth lid.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.Herein it should be noted that
Explanation for these embodiments is used to help understand the utility model, but does not constitute to restriction of the present utility model.This
Outside, as long as technical characteristic involved in each embodiment of the utility model disclosed below does not constitute conflict each other
It can just be mutually combined.
Referring to Figures 1 and 2, a kind of pre-filled syringe push rod accurate assembly machine that the utility model is provided, including rotating disk, turn
Disk includes upper plectane 3, middle plectane 11 and the lower plectane 12 being coaxially disposed from top to bottom, and the middle periphery of plectane 11 is uniformly provided with multiple open
The outside U-shaped needle tubing of mouth places mouth 14, and upper plectane 3 is provided with multiple push rod bayonet sockets 5, U corresponding with U-shaped needle tubing placement mouth 14
Shape needle tubing places mouth 14, and inner side is correspondingly provided with a pair of carrying rollers 6 below；The axis of carrying roller 6 is parallel with the rotary shaft of rotating disk；Outside rotating disk
Side is provided with a pretwist brake pad 8, and the inner side of pretwist brake pad 8 is provided with the arc gap coaxial with rotating disk, and the rear side of pretwist brake pad 8 is set
There is essence to turn round roller 9, smart torsion roller 9 is arranged below turns round the essence torsion roller drive mechanism that roller 9 is connected with essence.
The technical program is the push rod accurate assembly of pre-filled needle tubing, and the middle plectane 11 of the technical program is used for needle tubing 7
Vertical support, the upper end of needle tubing 7 is provided with bulge loop, and the bulge loop is stuck in U-shaped needle tubing and placed above mouth 14, and U-shaped needle tubing places mouth 14 bottom
Portion is the semicircular structure coordinated with needle tubing 7, so facilitates the rotation of needle tubing 7.Push rod bayonet socket 5 keeps push rod 4 all the time to play
Stand on the bayonet socket that needle tubing 7 is acted on above, and simultaneously with the inner side collective effect of block arc 1 to limit the rotation of push rod 4.Support
Roller 6 and needle tubing 7 are all vertical with middle plectane 11, and can be rotated clockwise around the centre of gyration of rotating disk.Top pressure shell fragment 2, pretwist friction
Block 8, essence turn round roller 9 and essence turns round the geo-stationary of motor 10, are not rotated with rotating disk, and essence therein, which turns round roller 9, to turn round motor 10 in essence
Driving under rotate clockwise, essence turn round motor 10 can set its acrotorque square.Configured during upper one
Needle tubing 7 enters the inner side of block arc 1 with push rod 4 with rotating disk, and push rod 4 is under the common drive of push rod bayonet socket 5 and needle tubing around rotating disk
Center is revolved round the sun, because the cross section of push rod is cross, its rotation is common by the inner side of push rod bayonet socket 5 and block arc 1
Effect is limited, and needle tubing 7 also makees rotation when being revolved round the sun under the collective effect of pretwist brake pad 8 and carrying roller 6 around disk middle spindle
Motion, its number of turns rotated depends on the length of pretwist brake pad 8, and the length is normally set up averagely having the screw thread of 0.5 circle not have
Turn round in place；After push rod 4 and needle tubing 7 are turned to rotating disk leaves pretwist brake pad 8, the rotation of needle tubing 7 just stops, at this moment push rod
4 not yet reach the bottom of thread of needle tubing 7, and needle tubing 7 is arrived with rotating disk revolution afterwards when being contacted with essence torsion roller 9, the elasticity in needle tubing 7
The screw thread of the screw of plug continues to turn until push rod reaches the bottom of thread, at this moment essence turn round the resistance that is subject to of motor 10 just with
The elastic deformation of plug and increase rapidly, until resistance produced by torsional moment be equal to its setting acrotorque square when, essence turn round
Motor 10 stops operating, and rotating disk continues to drive needle tubing 7 to revolve round the sun, and now essence turns round roller 9 and just driven with needle tubing and be changed into opposite direction and turn
Dynamic, essence turns round the torsional moment that motor 10 remains set, and is less than that plug and needle interior wall can be made in this torsional moment
On the premise of the torsional moment slided, plug just will not skid with needle interior wall, this ensure that twisting will not be excessive, meet
The need for push rod 4 is accurately installed.
The top of push rod bayonet socket 5 of the front end of pretwist brake pad 8 is provided with hold-down devices, and hold-down devices are elastic hold-down devices, bullet
Property hold-down devices be the acclivitous top pressure shell fragment 2 in front end.Push rod 4 can further be pressed by top pressure shell fragment 2, it is ensured that push rod
4 do not beat, and it is to be engaged in rotation of meeting with the screw thread on the plug in needle tubing to make the screw thread of push rod 4, is conveniently connect down
The push rod 4 come tightens installation.
The outside of upper plectane is provided with the block arc coaxial with rotating disk, and block arc front end face is located on front side of top pressure shell fragment,
Block arc rear end face is located at essence and turned round on rear side of roller.By block arc 1 can anti-throw-out lever 4 occur in installation process is tightened
Come off, and with the collective effect of push rod bayonet socket 5 and limit push rod rotation, it is ensured that push rod 4 install be normally carried out.
Essence turns round roller drive mechanism and turns round motor 10 for essence.The parameter that essence turns round motor 10 can be set according to requirements.
The lower plectane 12 coaxial with middle plectane 11 is arranged below in middle plectane 11, and carrying roller 6 is located at middle plectane 11 and lower plectane 12
Between.Carrying roller 6 can be so set to connect more firm.
It is all to be vertically arranged that push rod bayonet socket and U-shaped needle tubing, which place mouth,.Facilitate push rod to fall into needle tubing and enter plug screw thread.
The material of pretwist brake pad is rubber, and the material that essence turns round roller 9 is rubber, and certain pretwist brake pad 8 and essence torsion are leaned on
The material of wheel 9 can also possess with needle tubing friction without damaging the material substitution of needle tubing with other, and be not limited to preferably
Rubber in embodiment.
A kind of pre-filled syringe push rod accurate assembly method, comprises the following steps：
A, the end of thread of push rod is placed on the screw thread mouth of the elastic plug in needle tubing and limiting the spinning motion of push rod, drive
Dynamic needle tubing rotates the screw thread that a fixed number of turns makes push rod enter plug, and the fixed number of turns is less than for one is fully threaded into glue push rod
Fill in the number of turns needed for the bottom of thread；The technical program makes rotating push rod enter glue by the friction of pretwist brake pad and needle tubing
Plug, the number of turns that needle tubing is rotated depends on the length of pretwist brake pad, and the length is normally set up averagely having the screw thread of 0.5 circle not turn round
In place；
B, the rotation telemechanical for limiting push rod, are rotated with an even twisting moment driven syringe, push rod is gone successively to plug spiral shell
Line bottom, even twisting moment is one and is less than the torque value that plug can be made to be slided with needle interior wall.The technical program
The moment of torsion that roller tightens push rod setting is turned round by essence.When needle tubing and essence, which turn round roller, to be contacted, push rod is not done relative to needle tubing
Spinning motion, needle tubing is rotated in the case where essence turns round the drive of roller, and the screw thread of the screw of the elastic plug in needle tubing continues to turn, directly
When the moment of resistance being subject to essence torsion motor is equal to the acrotorque square of its setting, essence turns round motor stalls, and now push rod is essence
True is installed in place.
Using above-mentioned technical proposal, due to first carrying out big pretension with making push rod using pretwist brake pad, then leaned on by essence torsion
Wheel is closely tightened, so that push rod is connected in place with elastic plug, is prevented occurring parenteral solution seepage in use, is carried
The assembling quality of high push rod.
In summary, whole control process is decomposed into the pretwist of the fixed number of turns by the utility model and the essence of even twisting moment is turned round
Link, simplifies whole control process, due to need to only realize that, relative to micro rotation, velocity of rotation can slow down and reach when essence is turned round
To the effect of more precise control moment of torsion.Meanwhile, the mode of limitation push rod rotation and driven syringe is employed to produce relative rotation,
Including push rod and needle tubing outside, needle tubing has more release position, and drive mechanism can directly contact needle tubing, can be more simply
Realize driving.Compared to the mode that traditional mode clamps needle tubing and rotating push-rod, the utility model then provides simply, accurately,
And it is easier the benefit of control.
2nd, the device in the utility model realizes pretwist using the mode of peripheral friction, and can be by the length of the sassafras block that rubs
Spend to control pretwist amount, it is simple and effective, and allow that needle tubing is continuously run, improve capacity efficiency.
3rd, the device in the utility model is run using the mode of continuous rotary, greatly improves capacity efficiency, but due to pre-
Turn round and essence is turned round and can be driven to frictionally in needle tubing periphery, drive mechanism is just without with material movement, equipment is just
Can be simpler compact, greatly reduce cost.
It is the planar structure schematic diagram of pre-filled needle tubing in Fig. 2, pre-filled needle tubing includes push rod 4, needle tubing 7, elastic plug
16th, syringe needle 17 and pin mouth lid 18, the upper end of needle tubing 7, which is provided with needle tubing bulge loop, needle tubing 7, stores parenteral solution, and Fig. 2 is used to explain preliminary filling
The structure of formula needle tubing.
Embodiment of the present utility model is explained in detail above in association with accompanying drawing, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, it is right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall within protection domain of the present utility model.
Claims (9)
1. a kind of pre-filled syringe push rod accurate assembly machine, it is characterised in that including rotating disk, the rotating disk includes same from top to bottom
Upper plectane and middle plectane that axle is set, the U-shaped needle tubing that the middle plectane periphery is uniformly provided with multiple outward openings place mouth, described
Upper plectane places inner side below mouth provided with multiple push rod bayonet sockets corresponding with U-shaped needle tubing placement mouth, the U-shaped needle tubing
It is correspondingly provided with a pair of carrying rollers；The axis of the carrying roller is parallel with the rotary shaft of rotating disk；A pretwist friction is provided with the outside of the rotating disk
It is provided with the inside of block, the pretwist brake pad on rear side of the arc gap coaxial with the rotating disk, the pretwist brake pad provided with essence torsion
Roller, the essence torsion roller is arranged below the essence being connected with the essence torsion roller and turns round roller drive mechanism.
2. pre-filled syringe push rod accurate assembly machine according to claim 1, it is characterised in that before the pretwist brake pad
Hold-down devices are provided with above the push rod bayonet socket at end.
3. pre-filled syringe push rod accurate assembly machine according to claim 2, it is characterised in that the hold-down devices are bullet
Property hold-down devices.
4. pre-filled syringe push rod accurate assembly machine according to claim 3, it is characterised in that the elastic hold-down devices
For the acclivitous top pressure shell fragment in front end.
5. pre-filled syringe push rod accurate assembly machine according to claim 4, it is characterised in that the outside of the upper plectane
Provided with the block arc coaxial with the rotating disk, the block arc front end face is located on front side of the top pressure shell fragment, the arc
Block rear end face is located at the essence and turned round on rear side of roller.
6. according to any described pre-filled syringe push rod accurate assembly machines of claim 1-5, it is characterised in that the essence, which is turned round, to be leaned on
Actuation turns round motor for essence.
7. according to any described pre-filled syringe push rod accurate assembly machines of claim 1-5, it is characterised in that the middle plectane
The lower plectane coaxial with the middle plectane is arranged below, the carrying roller is located between the middle plectane and the lower plectane.
8. according to any described pre-filled syringe push rod accurate assembly machines of claim 1-5, it is characterised in that the push rod card
It is all to be vertically arranged that mouth and the U-shaped needle tubing, which place mouth,.
9. according to any described pre-filled syringe push rod accurate assembly machines of claim 1-5, it is characterised in that the pretwist rubs
The material of cleaning block is rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342388.4U CN206316735U (en) | 2016-12-08 | 2016-12-08 | A kind of pre-filled syringe push rod accurate assembly machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621342388.4U CN206316735U (en) | 2016-12-08 | 2016-12-08 | A kind of pre-filled syringe push rod accurate assembly machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206316735U true CN206316735U (en) | 2017-07-11 |
Family
ID=59267342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621342388.4U Withdrawn - After Issue CN206316735U (en) | 2016-12-08 | 2016-12-08 | A kind of pre-filled syringe push rod accurate assembly machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206316735U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584081A (en) * | 2016-12-08 | 2017-04-26 | 达尔嘉(广州)标识设备有限公司 | Accurate assembling machine and method for pre-filling type needle tube push rod |
| WO2019010807A1 (en) * | 2017-07-13 | 2019-01-17 | 广州市赛康尼机械设备有限公司 | Rotary rod labeling machine for pre-filled syringe |
| CN110116841A (en) * | 2019-06-13 | 2019-08-13 | 广州市赛康尼机械设备有限公司 | Label main machine structure and spinner handle labelling machine |
-
2016
- 2016-12-08 CN CN201621342388.4U patent/CN206316735U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584081A (en) * | 2016-12-08 | 2017-04-26 | 达尔嘉(广州)标识设备有限公司 | Accurate assembling machine and method for pre-filling type needle tube push rod |
| CN106584081B (en) * | 2016-12-08 | 2019-06-14 | 达尔嘉(广州)标识设备有限公司 | A kind of pre-filled syringe push rod accurate assembly machine and its assembly method |
| WO2019010807A1 (en) * | 2017-07-13 | 2019-01-17 | 广州市赛康尼机械设备有限公司 | Rotary rod labeling machine for pre-filled syringe |
| CN110116841A (en) * | 2019-06-13 | 2019-08-13 | 广州市赛康尼机械设备有限公司 | Label main machine structure and spinner handle labelling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20190614 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20170711 Effective date of abandoning: 20190614 |