CN209198246U - Tablet hardness instrument calibrating installation - Google Patents
Tablet hardness instrument calibrating installation Download PDFInfo
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- CN209198246U CN209198246U CN201821546925.6U CN201821546925U CN209198246U CN 209198246 U CN209198246 U CN 209198246U CN 201821546925 U CN201821546925 U CN 201821546925U CN 209198246 U CN209198246 U CN 209198246U
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- tablet hardness
- screw
- pressure sensor
- hardness instrument
- calibrating installation
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Abstract
The utility model relates to a kind of tablet hardness instrument calibrating installations, including the device frame with supporting leg, device frame includes transverse arm, the counter-force arm on front side of pressure sensor when being installed with use that is vertical with transverse arm or being in tilted layout on transverse arm for reaching tablet hardness instrument, the lower end of counter-force arm is provided with for the sensor contacts structure with the pressure sensor contacts, power loading mechanism is additionally provided on device frame, power loading mechanism includes the linearly operating loading end that can export front-rear direction linearly operating, rear side of the linearly operating loading end arranged for interval in the contact structures and rear end for pressure sensor described in pushing tow, string is equipped with calibration force value sensor on the linearly operating loading end.The utility model provide it is a kind of do not need in tablet hardness instrument pressure sensor disassembly can be to the tablet hardness instrument calibrating installation that it is calibrated.
Description
Technical field
The utility model relates to the tablet hardness instrument calibrating installations in calibration field.
Background technique
The quality of drug directly jeopardizes the life and health of patient.And tablet is one of most common dosage form in drug.?
In Chinese Pharmacopoeia, tablet should have suitable hardness, and completely to form, and the hardness of tablet itself and diameter then need accordingly
Tablet hardness instrument detects.Existing tablet hardness instrument one kind " tablet hardness as disclosed in Chinese patent CN201897556U
Instrument ", the tablet hardness instrument include bracket, branch medicine plate and head, and head can be moved forward and backward under driving mechanism driving, bracket
On be provided with the displacement sensor of detection head moving distance, pressure sensor is provided on front side of head on bracket.
In use, putting a tablet in branch medicine plate, because branch medicine plate position can be with placing tablet, which is also referred to as
Medicine-chest, when tablet hardness instrument works, driving mechanism drives pressure headfirst to move, and head is with tablet towards pressure sensor
Mobile, until tablet encounters pressure sensor, displacement sensor perceives the diameter of tablet, and head squeezes tablet until broken
It splits, the hardness of pressure sensor senses tablet.
Relevant national standard regulation, needs periodically to calibrate pressure sensor in tablet hardness instrument, to guarantee tablet
Hardness tester accurately measures tablet hardness.It is more troublesome in the prior art when to pressure sensor calibration, it needs equipment
Disassembly, pressure sensor is taken out, is then vertically placed on pressure sensor on platform, is applied standard test weight and is carried out single-point mark
Fixed, workload is cumbersome huge, time-consuming and laborious, seriously affects daily calibration efficiency, and the tablet hardness instrument of some models due to
Integrated level is high, and dismantlement work is even more difficult.
Utility model content
The purpose of this utility model is to provide it is a kind of do not need in tablet hardness instrument pressure sensor disassembly can
With the tablet hardness instrument calibrating installation calibrated to it.
In order to solve the above technical problems, the technical solution of the utility model is as follows:
A kind of tablet hardness instrument calibrating installation, including the device frame with supporting leg, device frame includes transverse arm, is consolidated on transverse arm
The counter-force arm on front side of pressure sensor when equipped with use that is vertical with transverse arm or being in tilted layout for reaching tablet hardness instrument, instead
The lower end of the arm of force is provided with for the sensor contacts structure with the pressure sensor contacts, is additionally provided with power on device frame
Loading mechanism, power loading mechanism include the linearly operating loading end that can export front-rear direction linearly operating, and linearly operating adds
End arranged for interval is carried in the rear side of the contact structures and is used for the rear end of pressure sensor described in pushing tow, the linearly operating adds
It carries string on end and is equipped with calibration force value sensor.
Supporting leg includes height-adjustable front leg strut and rear support leg, is provided with horizon equipment on the transverse arm.
The rear end of the transverse arm is fixed with the mounting base being set side by side with the counter-force arm, and the power mechanism includes fixing
Motor on the transverse arm, power mechanism further include the screw-nut mechanism that axis extends along the longitudinal direction, screw-nut machine
Screw rolling assembling in structure is in the mounting base, and guiding movement is assemblied in the lead screw in screw-nut mechanism along the longitudinal direction
In the mounting base, lead screw and mounting base rotation stop cooperate, and the motor shaft of motor and the screw are sequentially connected, described in lead screw composition
Linearly operating loading end.
The front end of the screw rod is fixed in the calibration with force value sensor.
The motor is fixed on the upside of the transverse arm, the axis of the motor shaft of motor cloth parallel with the axis of the screw
It sets, motor shaft is in the surface of the screw rod.
Electric machine shaft driving wheel is fixed on motor shaft, electric machine shaft driving wheel and screw periphery, which are wound with, realizes that motor is passed to screw
Dynamic transmission belt.
The transmission belt avoid holes passed through in above-below direction for the transmission belt are offered on the transverse arm.
The mounting base includes the preceding support and rear support of time interval arrangement, forms transmission belt between forward and backward support and keeps away
Allow gap, two sections of difference rolling assemblings of screw are on preceding support and rear support.
The supporting leg includes the rear support leg being set on preceding support or rear support, and rear support leg includes and corresponding rest base spiral shell
The height regulating rod of line connection, supporting leg further includes the front leg strut being threadedly coupled with the transverse arm, after front leg strut is located at counter-force arm
Side, the bottom of front leg strut have for the pressure sensor contacts portion with the pressure sensor upper-end contact, on the transverse arm
It is provided with horizon equipment.
The sensor contacts structure includes the tablet shape pressure end being set on rear side of counter-force arm, and tablet shape pressure end has
For pressing the arc top pressure face of the pressure sensor.
The utility model has the following beneficial effects: the utility model is directed to the narrow problem in medicine-chest position of tablet hardness instrument, if
The counter-force arm that can from top to bottom extend on front side of pressure sensor has been counted, has been loaded by the linearly operating of power loading mechanism
Pressure sensor rear end is recorded at end, is pressed in reaction force lower sensor contact structures to pressure sensor, by straight
The reading of the line movement mutatis mutandis force value sensor of loading end colonel calibrates the pressure sensor of tablet hardness instrument, is not required to press
Force snesor on tablet hardness instrument by dismantling, and the calibration of pressure sensor is convenient and efficient on tablet hardness instrument.
Detailed description of the invention
Fig. 1 is the usage state diagram of one embodiment of the utility model；
Fig. 2 is the top view of tablet hardness instrument calibrating installation in Fig. 1；
Fig. 3 is the cooperation schematic diagram of screw rod and calibration force value sensor in Fig. 1.
Specific embodiment
A kind of implementation of tablet hardness instrument calibrating installation is for example shown in Fig. 1 ~ 3: including the device frame with supporting leg, device
Frame includes the transverse arm 3 that length extends along the longitudinal direction, and being fixedly arranged at the front end with for transverse arm 3 is vertically arranged for when in use with transverse arm
Reach the counter-force arm 19 on front side of the pressure sensor of tablet hardness instrument, the lower end of counter-force arm 19, which is provided with, to be used for and pressure sensor
The sensor contacts structure of preceding end in contact, in the present embodiment, sensor contacts structure is the tablet shape being set on rear side of counter-force arm
Pressure end 14, tablet shape pressure end has the arc top pressure face for pressing pressure sensor, similar with true tablet in this way,
More true use environment can be simulated.The front end of transverse arm is provided with observation perforative along the vertical direction on rear side of counter-force arm
Hole 21.
The rear end of transverse arm 3 is fixed with the mounting base being set side by side with counter-force arm, and mounting base includes before time interval is arranged
Support 15 and rear support 4, are additionally provided with power loading mechanism on device frame, and power loading mechanism includes screw-nut mechanism and solid
Motor 1 on the upside of transverse arm, screw-nut mechanism include the screw 8 and lead screw 6 that axis extends along the longitudinal direction, wherein screw
Both ends pass through 9 rolling assembling of bearing respectively on preceding support 15 and rear support 4, the upper end of screw rod is provided with prolongs along the longitudinal direction
The guide groove 10 stretched, preceding support, rear support are had guide plate 5 in the adaptation insertion guide groove of lower end, the rotation of lead screw are limited with this,
Guide plate is fixed on corresponding support by screw, and the guide plate on two supports be located at preceding support, rear support it is opposite
Two sides, guide plate realize the guiding movement cooperation of preceding support, rear support and guide groove.When screw rotates, lead screw 6 can be driven
It is translated in front-rear direction, therefore lead screw constitutes the linearly operating loading end of power mechanism, lead screw is fixedly arranged at the front end with school
Mutatis mutandis force value sensor 11, lead screw and calibration are connected through a screw thread with force value sensor, and the front end of calibration force value sensor is logical
It crosses and is threaded with pressure end 12, pressure end is used to be engaged with the press of the rear end of pressure sensor.
The motor shaft of motor 1 is arranged in parallel with lead screw, and motor shaft is in the surface of lead screw, and the rear end of motor shaft is coaxial
Line is fixed with electric machine shaft driving wheel 2, and electric machine shaft driving wheel and screw periphery are wound with the transmission belt (figure realizing motor and being driven to screw
In be not shown), transmission belt is flat-toothed belt.The transmission belt avoid holes passed through in above-below direction for transmission belt are offered on transverse arm
20, transmission belt is formed between forward and backward support avoids gap.Device frame further includes supporting leg, and supporting leg includes being set on rear support
Rear support leg 7, rear support leg include further including and front arm spiral shell with the height regulating rod of corresponding rear support bottom thread connection, supporting leg
The front leg strut 18 of line connection, front leg strut are located at the rear side of counter-force arm, the bottom of front leg strut with for the pressure sensor
The pressure sensor contacts portion of upper-end contact is provided with and the vertically disposed front leg strut adjusting rod of front leg strut at the top of front leg strut
17, front leg strut adjusting rod is located at the upside of transverse arm, is provided with horizon equipment 16 on transverse arm.
In use, front leg strut is placed on pressure sensor, rear support leg is placed on desktop, counter-force arm extend into medicine-chest
In, counter-force arm is located at the front side of pressure sensor, and end in contact before the arc top pressure face and pressure sensor of tablet shape pressure end is led to
It crosses and the height of front leg strut, rear support leg is adjusted, adjust transverse arm to level, can guarantee pressure sensor Impact direction in this way
For front-rear direction, guarantee the accuracy of numerical value, motor drives screw rotation, and screw drives lead screw to be translated forward to pressure sensor
Rear end pressed, counter-force arm presses the front end of pressure sensor, passes through the reading and tablet of calibration force value sensor
The pressure sensor of hardness tester is calibrated.Front leg strut is supported on pressure sensor in the utility model, steady improving support
Qualitatively at the same time it can also reduce the use space demand of this calibrating installation, in the other embodiments of the utility model: preceding branch
Leg can not also be supported on pressure sensor, such as be supported on corresponding desktop, at this time the knot of front leg strut and rear support leg
Structure can be consistent, certainly at this point, the height of front leg strut, rear support leg can not also be adjustable；It can also lead between motor and screw
It crosses gear and realizes transmission connection；Power mechanism can also be that electric pushrod, driving cylinder etc. can export the engine of linearly operating
Structure；Pressure end and calibration force value sensor can also be welded or be wholely set；Tablet shape pressure end can also be box structure.
Claims (10)
1. a kind of tablet hardness instrument calibrating installation, it is characterised in that: including the device frame with supporting leg, device frame includes cross
Arm, on front side of pressure sensor when being installed with use that is vertical with transverse arm or being in tilted layout on transverse arm for reaching tablet hardness instrument
Counter-force arm, the lower end of counter-force arm is provided with for the sensor contacts structure with the pressure sensor contacts, on device frame
It is additionally provided with power loading mechanism, power loading mechanism includes the linearly operating load that can export front-rear direction linearly operating
End, rear side of the linearly operating loading end arranged for interval in the contact structures and rear end for pressure sensor described in pushing tow,
String is equipped with calibration force value sensor on the linearly operating loading end.
2. tablet hardness instrument calibrating installation according to claim 1, it is characterised in that: before supporting leg includes height-adjustable
Supporting leg and rear support leg are provided with horizon equipment on the transverse arm.
3. tablet hardness instrument calibrating installation according to claim 1, it is characterised in that: the rear end of the transverse arm is fixed with
The mounting base being set side by side with the counter-force arm, the power loading mechanism include the motor being fixed on the transverse arm, power
Loading mechanism further includes the screw-nut mechanism that axis extends along the longitudinal direction, the screw rolling assembling in screw-nut mechanism in
In the mounting base, guiding movement is assemblied in the mounting base lead screw in screw-nut mechanism along the longitudinal direction, lead screw with
The cooperation of mounting base rotation stop, the motor shaft of motor and the screw are sequentially connected, and lead screw constitutes the linearly operating loading end.
4. tablet hardness instrument calibrating installation according to claim 3, it is characterised in that: the calibration force value sensor
It is fixed on the front end of the lead screw.
5. tablet hardness instrument calibrating installation according to claim 3, it is characterised in that: the motor is fixed on the cross
The axis of the upside of arm, the axis of the motor shaft of motor and the screw is arranged in parallel, motor shaft be in the lead screw just on
Side.
6. tablet hardness instrument calibrating installation according to claim 5, it is characterised in that: be fixed with motor shaft on motor shaft
Driving wheel, electric machine shaft driving wheel and screw periphery are wound with the transmission belt for realizing that motor is driven to screw.
7. tablet hardness instrument calibrating installation according to claim 6, it is characterised in that: offered on the transverse arm for institute
State the transmission belt avoid holes that transmission belt passes through in above-below direction.
8. tablet hardness instrument calibrating installation according to claim 6, it is characterised in that: the mounting base includes between front and back
Transmission belt is formed between the preceding support and rear support of arrangement, forward and backward support avoids gap, two sections of difference rolling assemblings of screw
In on preceding support and rear support.
9. tablet hardness instrument calibrating installation according to claim 8, it is characterised in that: the supporting leg includes before being set to
Rear support leg on support or rear support, rear support leg include the height regulating rod being threadedly coupled with corresponding rest base, and supporting leg also wraps
Include the front leg strut being threadedly coupled with the transverse arm, front leg strut is located at the rear side of counter-force arm, the bottom of front leg strut have for institute
The pressure sensor contacts portion of pressure sensor upper-end contact is stated, is provided with horizon equipment on the transverse arm.
10. tablet hardness instrument calibrating installation according to claim 1, it is characterised in that: the sensor contacts structure
Including the tablet shape pressure end being set on rear side of counter-force arm, tablet shape pressure end has the arc for pressing the pressure sensor
Shape top pressure face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546925.6U CN209198246U (en) | 2018-09-21 | 2018-09-21 | Tablet hardness instrument calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821546925.6U CN209198246U (en) | 2018-09-21 | 2018-09-21 | Tablet hardness instrument calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209198246U true CN209198246U (en) | 2019-08-02 |
Family
ID=67406526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821546925.6U Active CN209198246U (en) | 2018-09-21 | 2018-09-21 | Tablet hardness instrument calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209198246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918316A (en) * | 2018-09-21 | 2018-11-30 | 河南省计量科学研究院 | A kind of tablet hardness instrument calibrating installation |
-
2018
- 2018-09-21 CN CN201821546925.6U patent/CN209198246U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108918316A (en) * | 2018-09-21 | 2018-11-30 | 河南省计量科学研究院 | A kind of tablet hardness instrument calibrating installation |
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