CN106175956A - The periodontal treatment work head of a kind of band plastic cap and manufacture method thereof - Google Patents
The periodontal treatment work head of a kind of band plastic cap and manufacture method thereof Download PDFInfo
- Publication number
- CN106175956A CN106175956A CN201610505083.9A CN201610505083A CN106175956A CN 106175956 A CN106175956 A CN 106175956A CN 201610505083 A CN201610505083 A CN 201610505083A CN 106175956 A CN106175956 A CN 106175956A
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- China
- Prior art keywords
- head
- plastic cap
- work head
- treatment work
- periodontal treatment
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C17/00—Devices for cleaning, polishing, rinsing or drying teeth, teeth cavities or prostheses; Saliva removers; Dental appliances for receiving spittle
- A61C17/16—Power-driven cleaning or polishing devices
- A61C17/20—Power-driven cleaning or polishing devices using ultrasonics
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- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The present invention relates to technical field of medical instruments, particularly relate to periodontal treatment work head and the manufacture method thereof of a kind of band plastic cap, including the cervical region being connected with connecting portion with the treatment connecting portion that is connected of handle and when working and the head of teeth contact, described head is cased with PEEK plastic cap on the one end away from described cervical region, described head is provided with card dress portion, being provided with card holding trough in described PEEK plastic cap, described card dress portion is located in described card holding trough.The invention has the beneficial effects as follows: sheathed PEEK plastic cap on head; it is wear-resisting; high temperature high voltage resistant; and quality is soft; implantation body and corona is preferably protected, it is to avoid use the head of metal structure, when being cleaned, cleaning implantation body and corona calculus are caused damage while cleaning implantation body and corona calculus.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to periodontal treatment work head and the system thereof of a kind of band plastic cap
Make method.
Background technology
Ultrasonic dental therapeutic equipment includes ultrasonic dental scaler, ultrasonic periodontal therapeutic instrument etc., can be used for striking off dental surface
Calculus, dental plaque, tooth cavities, tooth root canal etc..On ultrasonic dental therapeutic equipment, ultrasonic transducer is installed, as super
Sonication source, by being to be converted into supersonic oscillations by electric energy, drives the work head work installed on the transducer.Under Ultrasonic Vibration
After dynamic work head and tooth surface contact, can be achieved with striking off the function such as calculus of dental surface.
In order to enable the supersonic vibration of ultrasonic transducer to be delivered to well work head, existing ultrasound works head, generally
Employing all-metal construction forms.The ultrasound works head of all-metal construction, hardness is high, can autoclave sterilization, be suitable for removing tooth
The calculus of tooth surface, dental plaque, but be not suitable for operating on surfaces such as artificial tooth, corona, implantation bodys, surface damage can be caused.
Summary of the invention
The technical problem to be solved is to provide a kind of simple in construction, can be suitably used for artificial tooth, corona, implantation body etc.
Surface operates, and does not results in periodontal treatment work head and the manufacture method thereof of the band plastic cap of surface damage.
The technical scheme is that the periodontal treatment work head of a kind of band plastic cap, bag
Include and head with teeth contact when treating cervical region and work that the connecting portion that handle is connected is connected with connecting portion, described head
Portion is cased with PEEK plastic cap on the one end away from described cervical region.
The invention has the beneficial effects as follows: sheathed PEEK plastic cap on head, it is wear-resisting, high temperature high voltage resistant, and quality
Soft, while cleaning implantation body and corona calculus, preferably protect implantation body and corona, it is to avoid use the head of metal structure
When portion is cleaned, cleaning implantation body and corona calculus are caused damage.
On the basis of technique scheme, the present invention can also do following improvement.
Further, described head is provided with card dress portion, is provided with card holding trough in described PEEK plastic cap, and described card dress portion is located at
In described card holding trough.
Above-mentioned further scheme is used to provide the benefit that: card dress portion to be set at head, card is set in PEEK plastic cap
Tankage, can be installed on head effectively by PEEK plastic cap, it is to avoid PEEK plastic cap comes off from head.
Further, described card dress portion is boss structure, and described card holding trough is the notch cuttype matched with described boss structure
Groove.
Using above-mentioned further scheme to provide the benefit that: card dress portion uses boss structure, matches, card holding trough uses
Notch cuttype groove, boss structure and notch cuttype groove are mutually clamped so that PEEK plastic cap is stable with head fixation.
Further, the surface in described card dress portion is provided with spacing preiection, is provided with and described spacing preiection phase in described card holding trough
The stopper slot of coupling, described spacing preiection is located in described stopper slot.
Above-mentioned further scheme is used to provide the benefit that: card dress portion uses the structure of spacing preiection, matches, card dress
Groove uses the structure of stopper slot so that PEEK plastic cap is stable with head fixation.
Further, described connecting portion, described cervical region and described head are formed in one, and use titanium alloy to make.
Above-mentioned further scheme is used to provide the benefit that: described connecting portion, described cervical region and described head use titanium to close
Gold material integrated molding, overall construction intensity is high, and service life is long.
Further, described cervical region is provided with at least one bending section.
Above-mentioned further scheme is used to provide the benefit that: the setting of the bending section on cervical region so that actually used
During can facilitate each position being placed on tooth by the PEEK plastic cap on head.
Further, described cervical region is provided with two described bending sections, the respectively first bending section and the second bending section, and described
One end of one bending section is connected with described connecting portion, and the other end is connected with one end of described second bending section, described second bending
The other end in portion is connected with described head.
Above-mentioned further scheme is used to provide the benefit that: the setting of two bending sections on cervical region so that make actual
Each position being placed on tooth by the PEEK plastic cap on head can be further facilitated during with.
Further, described cervical region in the same plane, described first bending section and the bending direction of described second bending section
On the contrary, the radian of described first bending section is 90 °-180 °, and the radian of described second bending section is 90 °-180 °.
Above-mentioned further scheme is used to provide the benefit that: the setting of two bending sections on cervical region so that make actual
Each position being placed on tooth by the PEEK plastic cap on head can be further facilitated during with.
The manufacture method of the periodontal treatment work head of a kind of band plastic cap, comprises the following steps:
Step one, connecting portion, cervical region and the head of one-body molded manufacture work head；
Step 2, toasts PEEK plastic raw materials, and the PEEK plastic raw materials after having toasted is poured in injection machine hopper；
Step 3, rises to 180-200 DEG C by injection machine mould temperature；
Step 4, heats injecting machine material tube, and heating-up temperature is 350-400 DEG C；
Step 5, is placed in the head of work head in injection machine mould, is molded through High-temperature Liquefaction in injection machine mould
Plastics, injection pressure is 130-150MPa, injection time 0.8-1.2s；
Step 6, after being molded, keeping the pressure in injection machine mould is 70-85MPa, and the dwell time continues 2.5-
4.5s；
Step 7, cooling molding plastic part within injection machine mould, die sinking the most at a slow speed, use the push rod demoulding, complete
The making of the work head with plastic cap.
Such scheme provides the benefit that: use the mode of injection mo(u)lding directly to be become on head by PEEK plastic cap
Type so that head is stable with PEEK plastic cap fixation, and make efficiency is high, and mould temperature during PEEK injection must be higher than
180 DEG C, can not be the highest, on the one hand increase temperature and cause the increase of cost, on the other hand temperature the highest (higher than 200 DEG C) is then
Can make the P90 finished product can not cooling and shaping very well.So limiting temperature is at 180-200 DEG C.
Further, in described step 2, the baking temperature of described baking PEEK plastic raw materials is 160-190 DEG C, during baking
Between be 10-12 hour.
Use and above-mentioned further provide the benefit that: before melting PEEK plastic raw materials, PEEK plastic raw materials is dried
Roasting, the moisture in PEEK plastic raw materials is fully removed, it is to avoid the PEEK plastics after thawing are contained within moisture and affect and be molded into
The quality of type.
Further, in described step 4, injecting machine material tube is divided into successively three sections and carries out zone heating, first paragraph, second
Section and the 3rd section of corresponding heating-up temperature are respectively 380-400 DEG C, 365-375 DEG C, 350-360 DEG C.
Above-mentioned further scheme is used to provide the benefit that: three sections of temperature of strict guarantee barrel are in given temperature difference scope
In, not so temperature too Gao Zehui makes PEEK plastics carbonization, and temperature is the lowest, can have a strong impact on mobility, thus cause encapsulated injection
Failure.
Further, in described step 7, described cool time is 3-5s, and die sinking pressure is 36-45MPa.
Use above-mentioned further scheme to provide the benefit that: cool time is 3-5s, and die sinking pressure is 36-45MPa, energy
Improve the manufacture efficiency of PEEK plastic cap.
Accompanying drawing explanation
Fig. 1 is the front view of the present invention；
Fig. 2 is mounting structure schematic diagram of the present invention；
Fig. 3 is the left view of the present invention；
Fig. 4 is the perspective view of the present invention；
Fig. 5 is the flow chart of the inventive method.
In accompanying drawing, the list of parts representated by each label is as follows:
1, connecting portion, 2, cervical region, 3, head, 4, PEEK plastic cap, 5, card dress portion, 6, card holding trough, the 7, first bending section,
8, the second bending section.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
In this application, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the periodontal treatment work head of the described band plastic cap of the present invention includes
The cervical region 2 that is connected with connecting portion 1 with the treatment connecting portion 1 that is connected of handle and when working and the head 3 of teeth contact, described
Head 3 is cased with PEEK plastic cap 4 on the one end away from described cervical region 2.Described head 3 is provided with card dress portion 5, described PEEK plastics
Being provided with card holding trough 6 in 4, described card dress portion 5 is located in described card holding trough 6.In an embodiment of the present invention, described card dress
Portion 5 is boss structure, and described card holding trough 6 is the notch cuttype groove matched with described boss structure.Card dress portion 5 uses boss to tie
Structure, matches, and card holding trough 6 uses notch cuttype groove, boss structure and notch cuttype groove to be mutually clamped so that PEEK plastic cap 4 with
Head 3 fixation is stable.
In another embodiment of the invention, the surface in described card dress portion 5 is provided with spacing preiection, in described card holding trough 6
Being provided with the stopper slot matched with described spacing preiection, described spacing preiection is located in described stopper slot.Card dress portion 5 uses spacing
Protruding structure, matches, and card holding trough 6 uses the structure of stopper slot so that PEEK plastic cap 4 is steady with head 3 fixation
Fixed.
Preferably, described connecting portion 1, described cervical region 2 and described head 3 are formed in one, and use titanium alloy to make.Institute
Stating connecting portion 1, described cervical region 2 and described head 3 and use titanium alloy material integrated molding, overall construction intensity is high, uses the longevity
Life is long.
Preferably, described cervical region 2 is provided with two described bending sections, the respectively first bending section 7 and the second bending section 8, institute
The one end stating the first bending section 7 is connected with described connecting portion 1, and the other end is connected with one end of described second bending section 8, and described
The other end of two bending sections 8 is connected with described head 3.The setting of two bending sections on cervical region 2 so that in actually used mistake
Cheng Zhongneng further facilitates each position being placed on tooth by the PEEK plastic cap 4 on head 3.Wherein, described cervical region 2 is same
In one plane, the bending direction of described first bending section 7 and described second bending section 8 is contrary, the radian of described first bending section 7
Being 90 °-180 °, the radian of described second bending section 8 is 90 °-180 °.
The periodontal treatment work head of above band plastic cap provides the benefit that: sheathed PEEK plastic cap 4 on head 3, its
Wear-resisting, high temperature high voltage resistant, and also quality is soft, preferably protects implantation body and tooth while cleaning implantation body and corona calculus
Hat, it is to avoid use the head 3 of metal structure, when being cleaned, cleaning implantation body and corona calculus are caused damage.At head 3
Card dress portion 5 is set, card holding trough 6 is set in PEEK plastic cap 4, PEEK plastic cap 4 can be installed on head 3 effectively, keep away
Exempt from PEEK plastic cap 4 to come off from head 3.
As it is shown in figure 5, invention additionally discloses the manufacture method of the periodontal treatment work head of a kind of band plastic cap, including following
Step:
S01, connecting portion 1, cervical region 2 and the head 3 of one-body molded manufacture work head, the baking temperature of baking PEEK plastic raw materials
Degree is for 160-190 DEG C, and baking time is 10-12 hour；
S02, toasts PEEK plastic raw materials, and the PEEK plastic raw materials after having toasted is poured in injection machine hopper；
S03, rises to 180-200 DEG C by injection machine mould temperature；
S04, is divided into injecting machine material tube three sections successively and carries out zone heating, first paragraph, second segment and the 3rd section of correspondence
Heating-up temperature be respectively 380-400 DEG C, 365-375 DEG C, 350-360 DEG C；
S05, is placed in the head 3 of work head in injection machine mould, is molded moulding through High-temperature Liquefaction in injection machine mould
Material, injection pressure is 130-150MPa, injection time 0.8-1.2s；
S06, after being molded, keeping the pressure in injection machine mould is 70-85MPa, and the dwell time continues 2.5-4.5s；
S07, cooling molding plastic part within injection machine mould, cool time is 3-5s, the most at a slow speed die sinking, and die sinking
Pressure is 36-45MPa, uses the push rod demoulding, completes the making of the work head of band plastic cap.
PEEK plastic cap 4 is directly shaped on head 3 by the mode using injection mo(u)lding so that head 3 and PEEK
Plastic cap 4 fixation is stable, and make efficiency is high, and mould temperature during PEEK injection must be higher than 180 DEG C, can not be too
On the one hand height, increases temperature and causes the increase of cost, and on the other hand temperature the highest (higher than 200 DEG C) then can make the P90 finished product can not
Cooling and shaping very well.So limiting temperature is at 180-200 DEG C.Before melting PEEK plastic raw materials, PEEK plastic raw materials is dried
Roasting, the moisture in PEEK plastic raw materials is fully removed, it is to avoid the PEEK plastics after thawing are contained within moisture and affect and be molded into
The quality of type.Three sections of temperature of strict guarantee barrel are in the range of given temperature difference, and not so temperature too Gao Zehui makes PEEK plastics carbon
Changing, temperature is the lowest, can have a strong impact on mobility, thus cause encapsulated injection unsuccessfully.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (11)
1. a band plastic cap periodontal treatment work head, it is characterised in that include with treat handle be connected connecting portion (1),
With the head (3) of teeth contact when the cervical region (2) that is connected with connecting portion (1) and work, described head (3) is away from described cervical region
(2) PEEK plastic cap (4) it is cased with on one end.
The periodontal treatment work head of a kind of band plastic cap the most according to claim 1, it is characterised in that described head (3)
Being provided with card dress portion (5), be provided with card holding trough (6) in described PEEK plastic cap (4), described card dress portion (5) is located at described card holding trough
(6) in.
The periodontal treatment work head of a kind of band plastic cap the most according to claim 2, it is characterised in that described card dress portion
(5) being boss structure, described card holding trough (6) is the notch cuttype groove matched with described boss structure.
The periodontal treatment work head of a kind of band plastic cap the most according to claim 2, it is characterised in that described card dress portion
(5) surface is provided with spacing preiection, is provided with the stopper slot matched with described spacing preiection, described limit in described card holding trough (6)
Position projection is located in described stopper slot.
The periodontal treatment work head of a kind of band plastic cap the most according to claim 1, it is characterised in that described connecting portion
(1), described cervical region (2) and described head (3) are formed in one, and use titanium alloy to make.
6. according to the periodontal treatment work head of a kind of band plastic cap described in any one of claim 1 to 5, it is characterised in that institute
State cervical region (2) and be provided with at least one bending section.
The periodontal treatment work head of a kind of band plastic cap the most according to claim 6, it is characterised in that described cervical region (2)
It is provided with two described bending sections, the respectively first bending section (7) and the second bending section (8), one end of described first bending section (7)
Being connected with described connecting portion (1), the other end is connected with one end of described second bending section (8), described second bending section (8) another
One end is connected with described head (3).
8. the manufacture method of the periodontal treatment work head of a band plastic cap, it is characterised in that comprise the following steps:
Step one, the connecting portion (1) of one-body molded manufacture work head, cervical region (2) and head (3)；
Step 2, toasts PEEK plastic raw materials, and the PEEK plastic raw materials after having toasted is poured in injection machine hopper；
Step 3, rises to 180-200 DEG C by injection machine mould temperature；
Step 4, heats injecting machine material tube, and heating-up temperature is 350-400 DEG C；
Step 5, is placed in the head (3) of work head in injection machine mould, is molded moulding through High-temperature Liquefaction in injection machine mould
Material, injection pressure is 130-150MPa, injection time 0.8-1.2s；
Step 6, after being molded, keeping the pressure in injection machine mould is 70-85MPa, and the dwell time continues 2.5-4.5s；
Step 7, cooling molding plastic part within injection machine mould, die sinking the most at a slow speed, use the push rod demoulding, complete band and mould
The making of the work head of stub bar.
The manufacture method of the periodontal treatment work head of a kind of band plastic cap the most according to claim 8, it is characterised in that step
In rapid two, the baking temperature of described baking PEEK plastic raw materials is 160-190 DEG C, and baking time is 10-12 hour.
The manufacture method of the periodontal treatment work head of a kind of band plastic cap the most according to claim 8, it is characterised in that
In step 4, injecting machine material tube is divided into successively three sections and carries out zone heating, first paragraph, second segment and the 3rd section of corresponding adding
Hot temperature is respectively 380-400 DEG C, 365-375 DEG C, 350-360 DEG C.
11. according to Claim 8 to a kind of band plastic cap described in 10 any one periodontal treatment work head manufacture method, its
Being characterised by, in step 7, described cool time is 3-5s, and die sinking pressure is 36-45MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505083.9A CN106175956A (en) | 2016-06-28 | 2016-06-28 | The periodontal treatment work head of a kind of band plastic cap and manufacture method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610505083.9A CN106175956A (en) | 2016-06-28 | 2016-06-28 | The periodontal treatment work head of a kind of band plastic cap and manufacture method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106175956A true CN106175956A (en) | 2016-12-07 |
Family
ID=57462781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610505083.9A Pending CN106175956A (en) | 2016-06-28 | 2016-06-28 | The periodontal treatment work head of a kind of band plastic cap and manufacture method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106175956A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108578000A (en) * | 2018-05-23 | 2018-09-28 | 南宁市微牙科技有限公司 | A kind of operation tip dedicated for porcelain dental care |
| CN108888375A (en) * | 2018-07-25 | 2018-11-27 | 南宁市微牙科技有限公司 | Orthodontic care device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100321A (en) * | 1990-04-30 | 1992-03-31 | Coss Ronald G | Dental tool |
| CN1067367A (en) * | 1991-06-03 | 1992-12-30 | 依泰·拜博 | Flexible-end irrigation probe |
| CN1715029A (en) * | 2004-07-01 | 2006-01-04 | 青岛科技大学 | One-step injection forming and valcanizing equipment and method for screw pump (screw drilling tool) stator rubber bush |
| JP2015159889A (en) * | 2014-02-26 | 2015-09-07 | 林 揚春 | Chip for scaler and scaler using the same |
| CN204839803U (en) * | 2015-07-13 | 2015-12-09 | 桂林市啄木鸟医疗器械有限公司 | Working head that dental treatment used |
-
2016
- 2016-06-28 CN CN201610505083.9A patent/CN106175956A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5100321A (en) * | 1990-04-30 | 1992-03-31 | Coss Ronald G | Dental tool |
| CN1067367A (en) * | 1991-06-03 | 1992-12-30 | 依泰·拜博 | Flexible-end irrigation probe |
| CN1715029A (en) * | 2004-07-01 | 2006-01-04 | 青岛科技大学 | One-step injection forming and valcanizing equipment and method for screw pump (screw drilling tool) stator rubber bush |
| JP2015159889A (en) * | 2014-02-26 | 2015-09-07 | 林 揚春 | Chip for scaler and scaler using the same |
| CN204839803U (en) * | 2015-07-13 | 2015-12-09 | 桂林市啄木鸟医疗器械有限公司 | Working head that dental treatment used |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108578000A (en) * | 2018-05-23 | 2018-09-28 | 南宁市微牙科技有限公司 | A kind of operation tip dedicated for porcelain dental care |
| CN108578000B (en) * | 2018-05-23 | 2024-02-27 | 南宁市微牙科技有限公司 | Special working tip for porcelain tooth care |
| CN108888375A (en) * | 2018-07-25 | 2018-11-27 | 南宁市微牙科技有限公司 | Orthodontic care device |
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| C06 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20161207 |