CN203587250U - Tabletting force measurement apparatus - Google Patents
Tabletting force measurement apparatus Download PDFInfo
- Publication number
- CN203587250U CN203587250U CN201320781190.6U CN201320781190U CN203587250U CN 203587250 U CN203587250 U CN 203587250U CN 201320781190 U CN201320781190 U CN 201320781190U CN 203587250 U CN203587250 U CN 203587250U
- Authority
- CN
- China
- Prior art keywords
- upper pressing
- pressing wheel
- pressure wheel
- measurement apparatus
- upper pressure
- 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.)
- Expired - Lifetime
Links
- 238000005259 measurement Methods 0.000 title abstract 6
- 239000000945 filler Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 abstract description 8
- 239000002699 waste material Substances 0.000 abstract description 4
- 238000005303 weighing Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
- B30B11/08—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space co-operating with moulds carried by a turntable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0094—Press load monitoring means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a tabletting force measurement apparatus and aims at solving a problem that the waste rejecting function of the tablet machine is affected due to the pressure value measurement error existing at the weighing sensor type tabletting force measuring apparatus employed by the existing intermediate-speed/high-speed tablet machine. The provided tabletting force measurement apparatus comprises an upper pressing wheel, an upper pressing wheel shaft, and a bearing; a pressure sensor is installed in a hole formed in the upper pressing wheel shaft; the upper pressing wheel is installed at the upper pressing wheel shaft by the bearing; and the upper pressing wheel shaft is directly connected with an upper pressing wheel rack of the tablet machine. With the measurement apparatus, the measured tabletting force value is accurate and stable; and the waste rejecting function can be realized well. Therefore, the provided measurement apparatus is an updated product for the existing weighing sensor type tabletting force measuring apparatus.
Description
Technical field
The utility model relates to a kind of device for pressure measurement, particularly relates to the preforming force measuring apparatus on a kind of pharmaceutical machine high speed rotary tablet machine.
Background technology
At rotary tablet machine, be will to have the pressed powder of certain effect or particle and be pressed into a kind of common device of tablet in the industries such as medicine, chemical industry, food, in rotary tablet machine, a kind of device of measuring compression force size is called preforming force measuring apparatus.But general all without preforming force measuring apparatus on the rotary low speed sheeter using in the market, and on middle and high fast sheeter, adopt LOAD CELLS to be directly installed in lower pressure wheel frame component, compression force by lower pressure wheel through pressing down wheel shaft, lower pressure wheel support acts in LOAD CELLS.The pressure signal obtaining conventionally changes into voltage signal by pressure signal by pressure transmission device again and gives PLC after three times are transmitted, and after PLC processes, demonstrates force value.This force value is to obtain after repeatedly transmission and PLC convert processing at pressure signal, thereby has certain error.This error amount is for the general high speed tablet press without inspection rejects function, particularly for the high speed tablet press that requires singly to pick, because force value is unstable, it is little when time is large, have a strong impact on the inspection rejects function of sheeter, easily cause certified products disallowable, not only waste raw material but also improved production cost, must be researched and solved.
Summary of the invention
The purpose of this utility model is that a kind of preforming force measuring apparatus will be provided, can guarantee compression force that same batch materials records in high speed compressing tablet process accurately, stable, give full play to inspection rejects function, avoid waste of raw materials, reduce production costs.This novel preforming force measuring apparatus can adopt following technical scheme to implement: it comprises upper pressure wheel, upper pressure wheel axle, bearing, wherein on upper pressure wheel axle, process porose, pressure transducer is arranged in hole, and hole is sealed with filling agent, upper pressure wheel is arranged on upper pressure wheel axle by bearing, and the upper pressure wheel frame on the sheeter of upper pressure wheel axle and High Rotation Speed is directly connected.All the other parts and principle of work are same as the prior art or similar.
The preforming force measuring apparatus of making according to technique scheme compared with prior art its outstanding advantage is: because pressure signal transmits and directly gathers without other parts, guaranteed the pressure signal that gathers stability, the consistance in the high speed tablet press course of work, then the force value demonstrating after PLC processes reaches accurately, unanimously.
Accompanying drawing explanation
Fig. 1, novel preforming force measuring apparatus vertical view of the present utility model.
The A-A of Fig. 2, Fig. 1 is to cut-open view.
Embodiment
Below by drawings and Examples, preforming force measuring apparatus of the present utility model is further described.
As shown in Figure 1 and Figure 2, preforming force measuring apparatus of the present utility model comprises upper pressure wheel 1, upper pressure wheel axle 2, bearing 3, wherein on upper pressure wheel axle 2, process porose, pressure transducer is arranged in hole, and hole is sealed with filling agent, upper pressure wheel 1 is arranged on upper pressure wheel axle 2 by bearing 3, and the upper pressure wheel frame on the sheeter of upper pressure wheel axle and High Rotation Speed is directly connected.During work, punch contacts the pressure producing with pinch roller, by upper pressure wheel 1, directly act on upper pressure wheel axle 2, be arranged on the size that the pressure signal receiving on the pressure transducer in upper pressure wheel axis hole is just equivalent to compression force, this value is directly delivered in PLC as compressing tablet signal, the numerical value that just can demonstrate the compression force of each punch die after PLC processes is more accurate, reliable and stable.All the other parts and principle of work are same as the prior art or similar.This novel preforming force measuring apparatus can be used as the renewal product of LOAD CELLS or preforming force measuring apparatus, is widely used on middle and high fast rotary tablet machine.
Claims (1)
1. a preforming force measuring apparatus, it is characterized in that this preforming force measuring apparatus comprises upper pressure wheel (1), upper pressure wheel axle (2), bearing (3), wherein porose in the upper processing of upper pressure wheel axle (2), pressure transducer is arranged in hole, and hole is sealed with filling agent, it is upper that upper pressure wheel (1) is arranged on upper pressure wheel axle (2) by bearing (3), and the upper pressure wheel frame on the sheeter of upper pressure wheel axle and High Rotation Speed is directly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320781190.6U CN203587250U (en) | 2013-12-03 | 2013-12-03 | Tabletting force measurement apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320781190.6U CN203587250U (en) | 2013-12-03 | 2013-12-03 | Tabletting force measurement apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203587250U true CN203587250U (en) | 2014-05-07 |
Family
ID=50585153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320781190.6U Expired - Lifetime CN203587250U (en) | 2013-12-03 | 2013-12-03 | Tabletting force measurement apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203587250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677527A (en) * | 2013-12-03 | 2015-06-03 | 上海天和制药机械有限公司 | Tabletting force measuring device |
-
2013
- 2013-12-03 CN CN201320781190.6U patent/CN203587250U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104677527A (en) * | 2013-12-03 | 2015-06-03 | 上海天和制药机械有限公司 | Tabletting force measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |