CN205664966U - Tablet press upper punch tension power detection device - Google Patents
Tablet press upper punch tension power detection device Download PDFInfo
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- CN205664966U CN205664966U CN201620537148.3U CN201620537148U CN205664966U CN 205664966 U CN205664966 U CN 205664966U CN 201620537148 U CN201620537148 U CN 201620537148U CN 205664966 U CN205664966 U CN 205664966U
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- upper punch
- force
- force cell
- dynamometer link
- tablet machine
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Abstract
The application discloses tablet press upper punch tension power detection device for improve the precision of the tension power detection of tablet press upper punch, the tablet press is including pushing down guide rail rail brackets and upper punch on, tension power detection device include: force cell sensor, traction measuring rod and display device, wherein, force cell sensor is fixed in on the rail brackets, traction measuring rod pierces through and is connected with force cell sensor in the upper portion that pushes down guide rail and traction measuring rod, and traction measuring rod's bottom is located the movement track on upper punch top, display device and force cell sensor are connected for the power value that shows force cell sensor output.
Description
Technical field
The application relates to pharmaceutical machinery technical field, particularly relates to a kind of tablet machine upper punch tension force checking device.
Background technology
Tablet machine is mainly used in pharmacy corporation, in order to graininess or powder material are pressed into circle, abnormity or
With the tablet of word, symbol or figure, it it is the key equipment being suitable for batch production.In tablet machine work process upper punch not only with
Upper punch plate circles, the most also constraining in upper punch plate by parts such as the lift rail above upper punch plate, down pressure guide rail
Moving up and down at a high speed, if the mistake clamp force of upper punch is more greatly upper punch tension, the upper and lower running resistance of upper punch is aggravated, to upper punch cap, is carried
The abrasion rising the parts such as guide rail, down pressure guide rail strengthens, and easily causes upper punch and other parts damages, and then may also result in tablet machine
Major accident occurs.
Traditional tablet machine upper punch tension force checking device is to press the top of guide rail to install a stroke under tablet machine to open
Closing, when upper punch tension, this upper punch applies a counteracting force the most excessive to pressure guide rail down, causes down pressure guide rail upwards to be transported
The dynamic travel switch that triggers works, and tablet machine is out of service.But this detection device can only be tested with upper punch roughly and cross clamp force relatively
Greatly, it is impossible to detect that upper punch crosses the concrete numerical value of clamp force quantitatively, and then can not adjust, for cross clamp force, the reference providing quantitative
Foundation.
Utility model content
The embodiment of the present application provides a kind of tablet machine upper punch tension force checking device, for improving the tension of tablet machine upper punch
The precision of power detection.
The embodiment of the present application employing following technical proposals:
A kind of tablet machine upper punch tension force checking device, described tablet machine include down press guide rail, upper rail support and on
Punching, described device includes: force cell, dynamometer link and display device, and wherein, force cell is fixed on upper rail support
On；Dynamometer link penetrates in pressing down the top of guide rail and dynamometer link to be connected with force cell, and the bottom of dynamometer link is positioned at rushes to summit
On the movement locus of end；Display device is connected with force cell, for showing the force value that force cell exports.
Preferably, force cell is specially cantilever beam force sensor.
Preferably, dynamometer link connecting and has an alignment pin, lower pressure guide rail has a groove, one end of alignment pin is positioned at described
In groove.
Preferably, the surface of dynamometer link bottom overlaps with pressing down the surface of guide rail.
Preferably, dynamometer link penetrates in force cell, and is provided with a nut at dynamometer link top, the following table of this nut
The upper surface laminating of face and force cell.
Preferably, the material of dynamometer link is tin bronze or aluminium bronze.
Preferably, also include controlling switch, control switch and be connected with the control system of force cell and tablet machine, use
Tablet machine work is stopped when the force value exported at force cell exceedes predetermined threshold value.
Preferably, display device is also connected with the display system of tablet machine, and described display device is for display and dynamometer link
The numbering of the upper punch touched and the force value of force cell output, wherein, each upper punch of tablet machine has unique number.
At least one technical scheme above-mentioned that the embodiment of the present application uses can reach following beneficial effect: tablet machine works
Time, force cell is fixed on upper rail support, and dynamometer link penetrates in pressing down guide rail and the top of dynamometer link and force-measuring sensing
Device connects, and the bottom of dynamometer link is positioned on the movement locus on upper punch top, and display device is connected with force cell, can show
The force value of force cell output, so, can detect the upper punch through dynamometer link in tablet machine work process in real time
Cross the concrete numerical value of clamp force, upper punch can only be tested with roughly cross the detection side that clamp force is bigger in ground relative in prior art
Formula, improves upper punch and crosses the precision of clamp force detection.Additionally, display device can also show the volume of the upper punch touched with dynamometer link
Number and the mistake clamp force of this upper punch, have upper punch cross clamp force excessive time, maintainer can quickly locate maintenance, improve maintenance
Efficiency.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used for explaining the application, is not intended that the improper restriction to the application.In the accompanying drawings:
The tablet machine upper punch tension force checking device that Fig. 1 provides for the embodiment of the present application installation site on tablet machine is shown
It is intended to；
Fig. 2 is the dynamometer link structural representation in Fig. 1；
Fig. 3 is the force cell in Fig. 1 and dynamometer link structural representation；
Reference: 11 upper punches, presses guide rail 12 times, 13 force cells, 14 dynamometer links, 15 upper pressure wheels,
16 upper punch plates, 17 alignment pins, 18 nuts.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described by corresponding accompanying drawing.Obviously, described embodiment is only the application one
Section Example rather than whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of the application protection.
As shown in Figure 1 to Figure 3, the embodiment of the present application provides a kind of tablet machine upper punch tension force checking device, can apply
On tablet machine, for improving the precision of the mistake clamp force detection of tablet machine upper punch.It will be seen from figure 1 that tablet machine includes
Punching 11, down pressure guide rail 12 and upper rail support, upper rail support is the most not shown, and wherein upper rail support may be used for fixing
Lower pressure other parts such as guide rail, and the upper surface of upper rail support with press the upper surface of guide rail to be positioned at same horizontal plane down
In.During tablet machine work, upper punch 11 is moved under the constraint pressing guide rail 12 down from the top down, upper punch tension force checking device and pressure
The upper punch 11 of sheet machine and down pressure guide rail 12 coordinate, and mainly include force cell 13, dynamometer link 14 and display device, wherein,
Display device does not marks in the accompanying drawings, and the concrete shape of dynamometer link 14 is shown in Fig. 2.
Force cell 13 is fixed on upper rail support, in conjunction with Fig. 1 and Fig. 3 it can be seen that force cell can lead to
Cross two screws and be fixed on the surface of upper rail support, correspondingly, upper rail support is provided with screwed hole, wherein, Fig. 3
For force cell 13 on Fig. 1 left direction and the schematic diagram of dynamometer link 14.Certainly, force cell and upper rail prop up
Frame can also is that other connection fixed form, such as, rivet, welding etc., in actual applications concrete according to force cell
Structure and the suitable fixed form of selection of dimension.
The top that dynamometer link 14 penetrates in pressing down guide rail 12 and dynamometer link is connected with force cell 13.The main body of dynamometer link
Shape of cross section can be circular, square, round rectangle etc., correspondingly have on guide rail and the shape of above-mentioned dynamometer link pressing down
The through hole matched.In one embodiment, the body shape of dynamometer link is the cylinder shown in Fig. 2, under press on guide rail
There is the through hole of circle, and the diameter of this through hole presses down the diameter of guide rail slightly larger than cylinder.The effect that dynamometer link plays is by upper
The mistake clamp force rushing at applying is accurately transferred to force cell, and therefore, dynamometer link can be micro-in the through hole pressing down guide rail
Width moves up and down.The top of dynamometer link is connected with force cell, its can be specifically the top of dynamometer link is welded or
Other fixed forms are fixed on force cell.In one embodiment, the first half of cylindrical dynamometer link has screw thread,
Having position and the screwed hole of size coupling therewith on force cell, dynamometer link is connected with force cell by which.
It should be noted that mention dynamometer link and two parts of force cell in this embodiment, in actual applications, certainly also
Parts can be referred to as after fixing to dynamometer link and force cell.It addition, the material of dynamometer link can be specially stannum
Bronze or aluminium bronze, both proof strengths, add wearability simultaneously, and do not injure upper punch when upper punch crosses clamp force detection.
The bottom of dynamometer link 14 is positioned on the movement locus on upper punch 11 top.First, the bottom end surface of dynamometer link can have
Body is inclined-plane as shown in Figure 1 and Figure 2.During tablet machine work, lower pressure guide rail keeps static, and the top of upper punch is led with pressure down
The surface contact of rail.The top of upper punch, when this upper punch tension force checking device is not the most installed, the top of upper punch with under press guide rail
Surface contact part.By the bottom of dynamometer link being arranged on the movement locus on upper punch top, upper punch with under press guide rail
And the constrained motion of upper punch plate to the position of dynamometer link time, upper punch will apply pressure vertically upward, i.e. tension to dynamometer link
Power, this pressure is accurately transferred to force cell by dynamometer link simultaneously, and force cell can measure the concrete of this pressure
Numerical value.In order to be further ensured that the accurate transfer of force value, in one embodiment, the surface of dynamometer link bottom with under press guide rail
Surface overlap.The most instantly pressing the curve in across pitch direction on the surface of guide rail is SIN function or cosine function curve
Time, dynamometer link lower surface is also SIN function or cosine function curve along the movement locus direction of upper punch.Mention at this
Pressure guide rail surface down, i.e. on the guide rail of pressure down shown in Fig. 1 with the tip contact part of upper punch.
Display device and force cell are connected to show the force value of force cell output.At a kind of embodiment
In, force cell includes one or more elastomer that can produce deformation after stress, and can sense this deformation quantity
The bridge circuit (such as Wheatstone bridge) of resistance strain gage composition, and can be pasted onto on elastomer also fixing for resistance strain gage
Binding agent and the fluid sealant etc. of protection electronic circuit of dependent variable can be conducted.Force cell is by dynamometer link effect upwards
After power (i.e. upper punch crosses clamp force), it is pasted onto the foil gauge of elastomer and produces deformation therewith and cause resistance variations, resistance variations to make group
The Wheatstone bridge disequilibrium become exports the electricity signal of telecommunication of and the change of external force linear proportional, the most at last this electricity electricity
Signal is converted into concrete force value and shows in display device.The most also include demarcation zero point, calibration
Deng operation.When concrete demarcation zero point and calibration, can be carried out by the upper-lower position of fine tune force cell, example
Such as the elasticity etc. by adjusting two bolts being fixed on upper rail support by force cell.Although this embodiment carries
To display device, it is not excluded in actual applications being integrated on force cell display device, i.e. possesses display dynamometry value
Force cell, within this embodiment also should belong to the protection domain of the application.
It can further be seen from figure 1 that also include upper pressure wheel 15 and upper punch plate 16 on tablet machine, Fig. 1 be on be punched in
Running local expansion view in punch plate and down pressure guide rail, upper punch is contained in the punching of upper punch plate, under press under railway effect along leading
The apparent motion of rail, when the underface of upper punch tip motions to dynamometer link, this upper punch will give one counteracting force of dynamometer link,
This power i.e. is that upper punch crosses clamp force, and dynamometer link is connected with force cell, and force cell can be measured during tablet machine work every
Individual upper punch tension force value also shows on the display apparatus.
In actual applications, above-mentioned force cell can be directly pressure transducer, and dynamometer link is positioned at this pressure sensing
The underface of device.In one embodiment, force cell is specially cantilever beam force sensor.As it is shown on figure 3, this dynamometry
The left end of sensor is fixed on upper rail support by two screws, the flexible resistance of mid portion of this force cell
Sheet, in Fig. 3 near the circle in force cell centre position, the right-hand member of this force cell is connected with dynamometer link.Hanged by this
The design of arm beam sensor, makes full use of down the locus above pressure guide rail, does not affect the normal work of tablet machine.Additionally,
In this embodiment, the dynamometry sensor technical parameter of application can be as follows: maximum range 100kg；Sensitivity 2 ± 0.01mV/V；
Power supply 24VDC；Output signal 0～10V；Repeatability 0.03%F S；Offset output ± 1%F S.
In order to prevent dynamometer link under press in guide rail rotate, dynamometer link can also connect an alignment pin 17, be specifically shown in
Fig. 3, on the same guide rail of pressure at present, the length direction along dynamometer link has a groove, and the length direction of its further groove is along the length of dynamometer link
Direction, the concrete schematic diagram of groove sees you later the dotted portion that the alignment pin left and right sides in Fig. 1 is distributed up and down, the position, outer end of alignment pin
In described groove, rotate when preventing dynamometer link from working, it is ensured that the lower surface moment of dynamometer link overlaps with pressing down the surface of guide rail.
During it addition, dynamometer link is connected with force cell, dynamometer link is penetrated and is connected with force cell by screw thread in force cell,
Now, it is also possible to a nut 18 is installed at dynamometer link top, by fastening nut, makes lower surface and the force-measuring sensing of this nut
The upper surface of device fits tightly, and is further ensured that when dynamometer link works and does not rotates.
The upper punch tension force checking device that the embodiment of the present application provides can further include control switch, and this control is opened
Pass can be connected with the control system of force cell and tablet machine simultaneously, for exceeding in the force value of force cell output
Tablet machine work is stopped during predetermined threshold value.The generally defencive function of tablet machine is more complete, wherein upper punch tension force checking device
Can be one of tablet machine defencive function, by this upper punch tension force checking device, tablet machine work process can set
Upper punch crosses clamp force maximum, and the mistake clamp force that once in tablet machine work, force cell detects equals or exceeds setting maximum
Value, controls the tablet machine main power in switch cutoff control system, and tablet machine is the most out of service, and maintainer can be examined
Repair, it is to avoid tablet machine parts are impaired.
The display device of the tension force checking device of above-described embodiment is also connected with the display system of tablet machine, display device
Numbering and the force value of force cell output of the upper punch touched with dynamometer link can be shown.Wherein, tablet machine is each
Individual upper punch has unique number, the display system of tablet machine can determine that each through under press dynamometer link installation site on guide rail
The numbering of the upper punch at place, naturally it is also possible to show on the display screen of tablet machine, such display device can the most accurately
Demonstrate each through the numbering of the upper punch of dynamometer link position and cross clamp force concrete numerical value, cross clamp force mistake when there being upper punch
Time big, even if this upper punch has been running for down pressing other positions outside guide rail, maintainer can also be fast according to upper punch numbering
Position this fastly and cross the upper punch that clamp force is excessive, it is to avoid even if tension force checking device of the prior art is found to have upper punch tension,
But having also needed to maintainer subjectivity to determine the end is that upper punch tension.Additionally, the embodiment of the present application is mentioned
Display device, can be integrated in the display system of tablet machine, and the numbering of such upper punch and force cell export
Force value can show on the display screen of tablet machine.
At least one technical scheme above-mentioned that the embodiment of the present application uses can reach following beneficial effect: tablet machine works
Time, force cell is fixed on upper rail support, and dynamometer link penetrates in pressing down guide rail and the top of dynamometer link and force-measuring sensing
Device connects, and the bottom of dynamometer link is positioned on the movement locus on upper punch top, and display device is connected with force cell, can show
The force value of force cell output.So, tablet machine work process can detect upper punch through dynamometer link in real time
Cross the concrete numerical value of clamp force, upper punch can only be tested with roughly cross the detection side that clamp force is bigger in ground relative in prior art
Formula, improves upper punch and crosses the precision of clamp force detection.Additionally, display device can also show the volume of the upper punch touched with dynamometer link
Number and the mistake clamp force of this upper punch, have upper punch cross clamp force excessive time, maintainer can quickly locate maintenance, improve maintenance
Efficiency.
These are only embodiments herein, be not limited to the application.To those skilled in the art,
The application can have various modifications and variations.All made within spirit herein and principle any amendment, equivalent,
Improve, within the scope of should be included in claims hereof.
Claims (8)
1. a tablet machine upper punch tension force checking device, described tablet machine includes down presses guide rail, upper rail support and upper punch,
It is characterized in that, described device includes: force cell, dynamometer link and display device, and wherein, force cell is fixed on leads
On rail support；Dynamometer link penetrates in pressing down the top of guide rail and dynamometer link to be connected with force cell, and the bottom of dynamometer link is positioned at
On the movement locus on upper punch top；Display device is connected with force cell, for showing the force value that force cell exports.
Device the most according to claim 1, it is characterised in that force cell is specially cantilever beam force sensor.
Device the most according to claim 1, it is characterised in that connect on dynamometer link and have an alignment pin, lower pressure guide rail has
One groove, one end of alignment pin is positioned in described groove.
Device the most according to claim 1, it is characterised in that the surface of dynamometer link bottom and the surface weight pressing down guide rail
Close.
Device the most according to claim 1, it is characterised in that dynamometer link penetrates in force cell, and at dynamometry masthead
Portion is provided with a nut, the upper surface laminating of the lower surface of this nut and force cell.
Device the most according to claim 1, it is characterised in that the material of dynamometer link is tin bronze or aluminium bronze.
7. according to the device described in any one of claim 1 to 6, it is characterised in that also include controlling switch, control switch and survey
The control system of force transducer and tablet machine connects, for stopping when the force value of force cell output exceedes predetermined threshold value
Tablet machine works.
Device the most according to claim 7, it is characterised in that display device is also connected with the display system of tablet machine, institute
State display device for the numbering of upper punch that display touches with dynamometer link and the force value of force cell output, wherein, press
Each upper punch of sheet machine has unique number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537148.3U CN205664966U (en) | 2016-06-03 | 2016-06-03 | Tablet press upper punch tension power detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620537148.3U CN205664966U (en) | 2016-06-03 | 2016-06-03 | Tablet press upper punch tension power detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664966U true CN205664966U (en) | 2016-10-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620537148.3U Active CN205664966U (en) | 2016-06-03 | 2016-06-03 | Tablet press upper punch tension power detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3517288A1 (en) * | 2018-01-25 | 2019-07-31 | Korsch AG | Catch rail for a rotary press |
-
2016
- 2016-06-03 CN CN201620537148.3U patent/CN205664966U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3517288A1 (en) * | 2018-01-25 | 2019-07-31 | Korsch AG | Catch rail for a rotary press |
| WO2019145138A1 (en) * | 2018-01-25 | 2019-08-01 | Korsch Ag | Arrester rail for a rotary press |
| US11919268B2 (en) | 2018-01-25 | 2024-03-05 | Korsch Ag | Safety rail for a rotary press |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220516 Address after: 102600 2 / F, building 1, Tianrong street, Daxing biomedical industrial base, Zhongguancun Science and Technology Park, Daxing District, Beijing Patentee after: Beijing xinlongli Intelligent Technology Co.,Ltd. Address before: 102600 Beijing Daxing District bioengineering and pharmaceutical industry base, No. 11, Tianrong street, Beijing Patentee before: BEIJING LONGLITECH Co.,Ltd. |
|
| TR01 | Transfer of patent right |