Capsule three-force tester
Technical field
The invention belongs to the medical capsule technical field, specifically, relate to a kind of in the use of Capsules, the capsule three-force tester of in the stowing operation of medicinal powder, capsule quality being tested especially.
Background technology
The quality standard of the aspect safe in utilization of Capsules mainly contains at present: Pharmacopoeia of People's Republic of China version in 2000, industry standard is stipulated the specification aspect, but in the use of capsule, also there is a lot of quality requirementss, especially in the process of Capsules filling medicinal powder, capsule occurs and divide too busy to get away; The sealed leakage powder that causes not in place of capsule; Sealed not firm, cause capsule to collapse out to leak powder etc. to have a strong impact on the defective that capsule uses.Go back the standard that neither one quantizes at present, how to solve the problems of the technologies described above then is the problem that the present invention faced.
Summary of the invention
The invention provides a kind of capsule three-force tester, what can solve that prior art exists can't test and influence the problem that capsule uses capsule quality.
For solving the problems of the technologies described above, the present invention is achieved by the following technical solutions:
A kind of capsule three-force tester comprises,
Measure capsule and lock the pre-lock force tester of power in advance, comprise base plate, dynamometry table and capsule are set on the base plate lock the power clamping device in advance, the screw rod assembly of handling the motion of dynamometry table also is set, by handling the pre-lock power that the screw rod assembly comes test capsule;
Measure the force tester of lock eventually of sealed power of capsule and pulling-off force, comprise worktable, the dynamometry table is set on the worktable, both sides at this dynamometry table are provided with the screw rod assembly respectively, the sealed power clamping device of capsule wherein is set between the screw rod assembly of a side and the dynamometry table, capsule pulling-off force clamping device is set between the screw rod assembly of opposite side and the dynamometry table, comes the sealed power and the pulling-off force of test capsule by the screw rod assembly of handling dynamometry table both sides.
In technique scheme of the present invention, also have following technical characterictic: the dynamometry table in the described pre-lock force tester is a target formula dynamometry table, described target formula dynamometry table is provided with the test target, described clamping device comprises the module and the sleeve of capsule manufacture special use, the capsule cap of capsule and utricule are set in described module and the sleeve, barrel end is provided with the backstop dish, and described test target and described backstop dish contact.Module is used for fixing tested capsule; Sleeve is same as the transmission pulling force, and target formula dynamometry table produces displacement under the promotion of screw rod, and target formula dynamometry table is used to measure capsule and locks power in advance.
In technique scheme of the present invention, also have following technical characterictic: a wherein side of described dynamometry table is provided with and compresses round platform, and corresponding described sealed power clamping device comprises slide block and capsule set successively, and the capsule cap of described capsule is installed in the described capsule set.Slide block and capsule set are used and are used for the tested capsule of clamping, and the screw rod in the screw rod assembly promotes slide block and produces displacement and give its thrust, and the dynamometry table is measured the sealed power of tested capsule.
In technique scheme of the present invention, also have following technical characterictic: the opposite side of described dynamometry table is provided with hook, corresponding described pulling-off force clamping device comprises module and sleeve successively, on the corresponding described sleeve draw ring is set, the capsule cap and the utricule of described capsule are set in described module and the sleeve.Module is used for fixing tested capsule; Sleeve is used to transmit pulling force; The dynamometry table is measured the pulling-off force of tested capsule.The encapsulated module of described cover is a special module, and its size is decided according to the external diameter of capsule.The sleeve of encapsulated usefulness also is the capsule manufacture socket wrench specially adapted for it, and its size is decided according to the external diameter of capsule.
Further, described sleeve is provided with lock sleeve, makes sleeve clamp tested capsule utricule;
Further, a side of described base plate is provided with the sleeve card, is used to place standby sleeve.
Further, described module and lower cartridge are provided with back-up block respectively.
Further, described screw rod assembly comprises screw rod, screw rod supporting seat and screw handle.
Capsule three-force refers to the pre-lock power of capsule, sealed power and pulling-off force.
The pre-lock pulling-off force of capsule is meant to be drawn back a capsules to the needed power of cap body released state from pre-lock state, is called for short pre-lock power;
The sealed power of capsule is meant a capsules is depressed into the needed power of capsule locked state from pre-lock state, is called for short sealed power;
The sealed pulling-off force of capsule is meant that the capsule with a locked state draws back to the required power of cap body released state, is called for short pulling-off force.
Capsule three-force tester is according on the Capsules during machine filling, at first there is certain strength that capsule is separated, drop in the different modules, require capsule will be in a kind of good state, can guarantee capsule self in advance lock tube lump together, the machine that can be filled with again simultaneously is relatively easy to separately according to this principle, propose above-mentioned capsule and locked force tester in advance.
The sealed power of capsule, be according to capsule on filling machine, after being full of medicinal powder, the locked acting force of fit again, the capsule pulling-off force, be according to capsule sealed after, can not be drawn back easily, prevention medicinal powder is revealed, and according to the principle of acting force and reacting force, has proposed the force tester of lock eventually of sealed power of above-mentioned test capsule and pulling-off force.
Compared with prior art, advantage of the present invention and good effect are:
The invention provides a kind of brand-new capsule three-force tester, through practical proof, three force parameters of the capsule that this tester records not only can the correct guidance capsule production control, and by pre-lock power, sealed power, these three parameters of pulling-off force, can provide important reference frame for the design of capsule die, can be used for checking whether rationally using of mould design.
Description of drawings
Fig. 1 is the duty vertical view that capsule is locked force tester in advance;
Fig. 2 is the cut-open view that capsule is locked force tester in advance;
Wherein: 10, lock force tester in advance; 11, base plate; 12, target formula dynamometry table; 12-1, test target; 13, screw rod assembly; 13-1, screw rod; 13-2, screw rod supporting seat; 13-3, screw handle; 14, module; 15, sleeve; 15-1, backstop dish; 15-2, lock sleeve; 16, sleeve card; 17, back-up block; 18, capsule; 18-1, capsule cap; 18-2, utricule;
Fig. 3 is the capsule duty cut-open view of lock force tester eventually;
Fig. 4 is the capsule vertical view of lock force tester eventually;
Wherein: 20, lock force tester eventually; 21, worktable; 22, dynamometry table; 22-1, compress round platform; 22-2, hook; 23, screw rod assembly; 23-1, screw rod; 23-2, screw rod supporting seat; 23-3, screw handle; 24, slide block; 25, capsule set; 26, sleeve; 26-1, draw ring; 26-2, lock sleeve; 27, module; 28, capsule; 28-1, capsule cap; 28-2, utricule; 29, sleeve card.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Shown in Fig. 1-4, a kind of capsule three-force tester comprises and measures the force tester 20 of lock eventually that capsule is locked the pre-lock force tester 10 of power in advance and measured sealed power of capsule and pulling-off force.
Figure 1 shows that pre-lock force tester 10 locks the working state figure of power in advance in test capsule; Shown in Fig. 1-2, pre-lock force tester 10 comprises base plate 11, is arranged side by side target formula dynamometry table 12 and capsule on the base plate 11 and locks the power clamping device in advance, target formula dynamometry table 12 connecting screw rod assembly 13, described screw rod assembly 13 comprises screw rod 13-1, screw rod supporting seat 13-2 and screw handle 13-3.Screw rod 13-1 connects the base of target formula dynamometry table 12 so that promote the motion of dynamometry table, comes the pre-lock power of test capsule 18 by the screw handle 13-3 in the manipulation screw rod assembly 13;
Described target formula dynamometry table 12 is provided with test target 12-1, and described clamping device comprises module 14 and sleeve 15, and described module 14 and sleeve 15 bottoms are provided with back-up block 17 respectively.The capsule cap 18-1 of tested capsule 18 is sleeved in the nib of module 14, and utricule 18-2 is sleeved in the sleeve 15, and sleeve 15 is provided with lock sleeve 15-2, makes sleeve 15 clamp tested capsule utricule 18-2; Sleeve 15 ends are provided with backstop dish 15-1, described test target 12-1 and described backstop dish 15-1 contact, like this, test target 12-1 makes capsule cap 18-1 separate with utricule 18-2 when promoting backstop dish 15-1, and the numerical value that dynamometry table 12 shows is the pre-lock power of tested capsule 18.
For power is locked in the test of the capsule that cooperates different size in advance, in a side of base plate 11 sleeve card 16 is set, be used to place standby sleeve 15.
Figure 3 shows that lock force tester 20 is at the working state figure of test capsule pulling-off force eventually; Shown in Fig. 3 and 4, measure the force tester 20 of lock eventually of sealed power of capsule and pulling-off force, comprise worktable 21, dynamometry table 22 is set on the worktable 21, both sides at this dynamometry table 22 are provided with screw rod assembly 23 respectively, and described screw rod assembly 23 comprises screw rod 23-1, screw rod supporting seat 23-2 and screw handle 23-3.
The sealed power clamping device of capsule wherein is set between the screw rod assembly 23 of a side and the dynamometry table 22, this side of corresponding dynamometry table 22 is provided with and compresses round platform 22-1, this clamping device comprises slide block 24 and capsule set 25 successively, and the capsule cap 28-1 of tested capsule 28 is installed in the described capsule set 25.Screw rod 23-1 in the screw rod assembly 23 promotes slide block 24 and produces displacement and give its thrust, and dynamometry table 22 is measured the sealed power of tested capsule.
Capsule pulling-off force clamping device is set between the screw rod assembly 23 of opposite side and the dynamometry table 22, this side of corresponding dynamometry table 22 is provided with hook 22-2, this pulling-off force clamping device comprises module 27 and sleeve 26, module 27 and sleeve 26 bottoms are provided with back-up block respectively, on the corresponding described sleeve 26 draw ring 26-1 is set, after described capsule 28 passes the nib of module 27, capsule cap 28-1 and utricule 28-2 are set in described module 27 and the sleeve 26, sleeve 26 is provided with lock sleeve 26-2, makes sleeve 26 clamp tested capsule utricule 28-2; Come the sealed power and the pulling-off force of test capsule 28 by the screw rod assembly 23 of handling dynamometry table 22 both sides.
For the sealed power of test and the pulling-off force of the capsule that cooperates different size, in a side of base plate 11 sleeve card 16 is set, be used to place standby sleeve 15.
According to the situation of a plurality of pharmaceutical factories being used capsules, to grope and detect through data many times, three power of capsule are controlled at following scope, can satisfy the request for utilization of capsule:
Pre-lock power: 5~45gw (1gw=9.8 * 0.001N);
Sealed power: 1.5~8.0N;
Pulling-off force: 1.5~8.0N.
The method of testing step that capsule is locked power in advance is as follows:
A. the tested capsule of a pre-lock state is put into the nib of respective modules on the pre-lock force tester;
B. sleeve is inserted in the utricule of tested capsule and sleeve is locked the utricule of clamping capsule with lock sleeve;
C. the screw handle that is rotated counterclockwise on the tester makes target formula dynamometry table move to test position;
D. the screw handle that turns clockwise, the backstop dish that makes the test target contact of target formula dynamometry table and promote barrel end separates the capsule cap body, and at this moment the shown numerical value of the passive pointer of dynamometry table is the pre-lock power of this capsule.
The method of testing step of the sealed power of capsule is as follows:
A. the tested capsule of a pre-lock state is put into capsule and locked capsule set corresponding on the force tester eventually;
B. the screw handle that turns clockwise, till capsule was sealed, at this moment the numerical value that shows on the dynamometry table was the sealed power of this capsule;
The method of testing step of capsule pulling-off force is as follows:
A. the tested capsule of a locked state is put into capsule and locked the nib of respective modules on the force tester eventually;
B. sleeve is inserted in the utricule of tested capsule and sleeve is locked the utricule of clamping capsule with lock sleeve;
C. the screw handle that turns clockwise catches on the draw ring of barrel end the hook on the dynamometry table, is rotated counterclockwise screw handle then till the cap body is drawn back, and the numerical value that this moment, the dynamometry list index showed is the pulling-off force of this capsule.
The operation steps that capsule is locked power in advance is as follows:
Get the capsule of a pre-lock state, pass module by capsule body direction inwardly, and clamp capsule body with sleeve and lock sleeve.Target formula dynamometry table is withdrawn from 1cm backward, be rotated counterclockwise screw handle, make the test target of dynamometry table rotate to the backstop dish right side of barrel end, and with passive pointer return-to-zero.The dynamometry table is pushed into foremost, and the screw handle that turns clockwise is till the capsule cap body separates.The indicated data of the passive pointer of dynamometry table are the pre-lock power of this capsules, data are recorded in the subordinate list (when capsule is locked force data in advance and exceeded 50gw, capsule be unable to do without for dividing, and should analyze this capsules and the reason that be unable to do without occur dividing, and data are made special marking and feedback).Again the capsule cap body is taken out from module and sleeve respectively.
Repeat above operation, till tested capsule all measures.
The operation steps of sealed power of capsule and pulling-off force is as follows:
Get the capsule of a pre-lock state, capsule cap is inserted in the capsule set, be rotated counterclockwise the screw handle on the left side, slide block and capsule can be put smoothly between dynamometry table and the screw handle, make the return-to-zero of dynamometry table (if any deviation by the TRACK button, the return-to-zero of rotation dial plate), screw handle turns clockwise, until capsule sealed (when capsule is sealed dynamometry table have a short time pause), dynamometry list index indication data are the sealed power of this capsules, and data are recorded in the subordinate list (when the sealed force data of capsule exceeds 8N, the sealed resistance of capsule is big, easily produce the top concave and resemble, should analyze this capsules and the big reason of sealed resistance occur, data are made special marking and feedback).
Sealed power clamping device is motionless, is rotated counterclockwise the screw handle on the left side, and the capsule after sealed in the capsule set is taken out.Pass module in the pulling-off force clamping device by capsule body direction inwardly, and clamp capsule body with sleeve and lock sleeve.Screw handle on the right of turning clockwise is suspended on the hook of dynamometry table sleeve tail end draw ring, makes the instrument return-to-zero by the TRACK button.Be rotated counterclockwise screw handle, till the capsule cap body separates.Dynamometry list index indication data are the pulling-off force of this capsules, and data are recorded in (when capsule pulling-off force data exceed 8N, exceed the maximum designation data of instrument, should analyze this capsules, data are made special marking and feedback) in the subordinate list.Again the capsule cap body is taken out from module and sleeve respectively.
Repeat above operation, till tested capsule all measures.
The above only is preferred embodiment of the present invention, is not to be the restriction of the present invention being made other form, and any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solution of the present invention content that do not break away to any simple modification, equivalent variations and remodeling that above embodiment did, still belongs to the protection domain of technical solution of the present invention according to technical spirit of the present invention.