CN106562809A - Medical clamps/scissors product, and processing method of the same - Google Patents
Medical clamps/scissors product, and processing method of the same Download PDFInfo
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- CN106562809A CN106562809A CN201610951972.8A CN201610951972A CN106562809A CN 106562809 A CN106562809 A CN 106562809A CN 201610951972 A CN201610951972 A CN 201610951972A CN 106562809 A CN106562809 A CN 106562809A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/32—Surgical cutting instruments
- A61B17/3201—Scissors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/2812—Surgical forceps with a single pivotal connection
- A61B17/282—Jaws
- A61B2017/2825—Inserts of different material in jaws
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
- A61B2017/2926—Details of heads or jaws
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- Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a pair of medical clamps (scissors). The pair of medical clamps (scissors) includes a handle, a clamp (scissor) head matrix and a clamp (scissor) jaw, wherein the hardness of the handle and the hardness of the clamp (scissor) head matrix are smaller than the hardness of the clamp (scissor) jaw; the clamp (scissor) jaw is connected with the clamp (scissor) head matrix; a joint of the clamp (scissor) head matrix and the clamp (scissor) jaw is coated with solder; the clamp (scissor) head matrix and the clamp (scissor) jaw are bonded into an integrated one through the high-temperature melted solder; during the high-temperature welding process, quenching or solid solution is performed on the handle and the clamp (scissor) head matrix; and the bonded integrated clamp (scissor) jaw is partially quenched through high frequency or laser or flame. The invention also discloses a processing method of the medical clamps/scissors product. The medical clamps (scissors) which is prepared through the processing method has the advantages of being high in hardness of the clamp (scissor) jaw, being unable to fall off, being high in antirust performance, being long in service life, being unable to be blackened for the clamp (scissor) jaw, being relatively more convenient for material selection, being wide in the range of material selection, and greatly reducing the manufacturing cost.
Description
Technical field
The present invention relates to technical field of medical instruments, more particularly, to medical calm (cutting) class product, and medical pincers
The processing method of (cutting) class product.
Background technology
The structure of existing medical apparatus and instruments pincers class (cutting class) jaw (clip) substantially has following several classes：
1. jaw (or clip) is directly processed into after hardness stainless steel material is quenched in entirety；Such jaw (or cut
Mouthful), because hardness is not high after the quenching of rustless steel own material, it is impossible to the requirement that satisfaction bends for a long time or shears.
2. jaw (or clip) is directly processed into after overall high-hardness stainless steel material is quenched.Such jaw (or cut
Mouthful), because integral hardness is too high after the material quenching of rustless steel itself, caliper difficulty of processing is larger, and caliper is more crisp, easily
Disconnected, service life is not long.
3. make caliper with low or middle soft rustless steel, jaw made by Hardmetal materials is welded on caliper；Using this
Though oneself solves the problem of the jaw hardness that method is processed, because hard alloy easily blacks after multiple high temp sterilization；And
Low or middle soft rustless steel is very poor with Hardmetal materials welding performance, that is, be difficult to weld together, so generally individually adopting
Adhering method, and solder flux mostly is after low temperature fluxes, but this two kinds of material bondings, and bonding reliability is poor, and jaw easily comes off,
Long-time using rear solder flux also can blackening, affect it is attractive in appearance.
4. though Chinese utility model patent ZL201020246307.7 is disclosed hard with the laser cladding technique solution edge of a knife
Degree and the problem that comes off, but because laser cladding technique processed complex, high cost, and its molten coating are belonging to steel-casting tissue,
So edge of a knife tissue is not fine and close enough, service life is not long.
5. Chinese utility model patent ZL2015207710622 discloses a kind of medical calm, and binding clip is with jaw in quenching
Melting solder flux simultaneously makes both be welded as a whole.The method be quenching while welded, although also solve welding and
The hardness requirement of material, because the two-step is carried out simultaneously, to selecting the welding temperature of solder flux and the hardening heat of edge of a knife material
Region will be close, and this just makes the selection of solder flux and the suitable of edge of a knife material select with limitation.
The content of the invention
The invention aims to it is hard to solve the jaw (clip) that medical calm present in prior art (cutting) is present,
Easily black, get rusty, turn around, jaw (clip) life-span is not long, and jaw (clip) and the technical problem such as solder flux selection limitation is big,
And a kind of jaw (clip) hardness height is provided, and will not fall off, good antirust property, life-span length, selection range is wide, low production cost
Medical calm (cutting) class product and its processing method.
The technical scheme adopted by the invention for realizing the object of the invention is：A kind of medical calm, the medical calm includes handle, pincers
Head matrix and jaw, described handle and the hardness of binding clip matrix is less than the hardness of jaw, and described jaw is connected to binding clip base
On body, described binding clip matrix and jaw junction is coated with solder flux, the weldering that the binding clip matrix and jaw pass through high temperature melting
Agent bonding is one overall, makes handle harden (or solid solution) with binding clip matrix while high-temperature soldering, and bonding is one overall
Jaw afterwards is by high frequency or laser or flame selective hardening.The medical calm, only needs to select the hard of jaw material in selection
Then degree is in advance connected to jaw on binding clip matrix, then in binding clip matrix and pincers more than handle and the hardness of binding clip matrix
Mouthful junction applies and is covered with the solder flux of a certain amount, then the binding clip matrix and jaw that scribble solder flux are placed in hot environment make solder flux
High temperature melting, the solder flux after now melting can penetrate into binding clip matrix and jaw junction, make both securely bonding be one
It is overall, meanwhile, during Surface Welding at High Temperature, handle is hardened (or solid solution) with binding clip matrix, finally jaw is passed through into high frequency
Or laser or flame selective hardening.Such medical calm, not only jaw hardness is high, will not fall off, good antirust property, life-span length,
Jaw will not black, and convenient in selection, and selection range is wide, greatly reduces manufacturing cost.
Preferably, described solder flux is one or more in Ni-based solder, silver-based cored solder or auri cored solder
Mixing cored solder.
Preferably, described binding clip matrix is connected with each other before solder flux welding with jaw using spot welding.In order to more preferable
Increase adhesive strength and solve coming off and facilitating the welding of solder flux for jaw, make binding clip matrix, jaw connect more reliable, binding clip base
Body is connected with each other in advance with jaw by spot welding.
Preferably, described handle and binding clip matrix using middle soft of the hardness less than or equal to HRC55 after quenching not
Rust Steel material is made；Described jaw is made using harder stainless steel material of the hardness more than HRC58 after quenching.
A kind of medical calm processing method, the processing method includes following technique：First, the rustless steel of soft is clamped in use
The handle and binding clip matrix of son, with the rustless steel of higher hardness jaw is made；Secondly, binding clip matrix is connected with jaw by spot welding
Together, and apply in junction and be covered with solder flux；Then the binding clip matrix for connecting together and jaw are put into into vacuum drying oven or band gas
Solder melts are realized by being welded as a whole for binding clip matrix and jaw by high temperature in the crawler furnace of protection, and it is same what is welded
When make handle and binding clip matrix harden (or solid solution)；The method for then passing through the selective hardenings such as high frequency or laser or flame, will clamp
Mouth hardens；It is last around binding clip matrix, jaw wire cutting or grinding machine excess stock is cut off after make finished product.The processing side
Method is simple to operate, and Practical Performance is strong, and in high-temperature soldering, solder melts are penetrated in the faying face of binding clip matrix and jaw material, are made
Binding clip matrix is bonding with jaw material more reliable, firm, and the medial forceps performance processed using the method is good, service life
It is long, low cost.
A kind of hospital scissors, the hospital scissors includes handle, haircut matrix and clip, described handle and the hardness of haircut matrix
Less than the hardness of clip, described clip is connected on haircut matrix, and described haircut matrix and clip junction is coated with weldering
Agent, the haircut matrix and clip are one overall by the solder flux bonding of high temperature melting, make while high-temperature soldering handle with
Haircut matrix hardens (or solid solution), and bonding is clip after an entirety by high frequency or laser or flame selective hardening.Should
Hospital scissors, only needs to select the hardness of clip material more than handle and the hardness of haircut matrix, then by clip material in selection
Material is connected in advance on haircut matrix, is then applied in haircut matrix and clip junction and is covered with a certain amount of solder flux, then will be scribbled
The haircut matrix of solder flux and clip are placed in hot environment makes solder flux high temperature melting, and the solder flux after now melting can penetrate into haircut
Matrix and clip junction, make both securely bonding be an entirety, meanwhile, during Surface Welding at High Temperature, handle and haircut
Matrix is hardened (or solid solution), finally by clip by high frequency or laser or flame selective hardening.Such hospital scissors, not only
Clip hardness is high, will not fall off, good antirust property, life-span length, and clip will not black, and convenient in selection, selection
Scope is wide, greatly reduces manufacturing cost.
Preferably, described solder flux is one or more in Ni-based solder, silver-based cored solder or auri cored solder
Mixing cored solder.
Preferably, described haircut matrix adopts the spot welding before solder flux welding to be connected with each other with clip.In order to more preferable
Coming off and facilitating the welding of solder flux for clip is solved, makes that haircut matrix, clip connection are more reliable, haircut matrix is prior with clip
It is connected with each other by spot welding.
Preferably, described handle and binding clip matrix using middle soft of the hardness less than or equal to HRC55 after quenching not
Rust Steel material is made；Described jaw is made using harder stainless steel material of the hardness more than HRC58 after quenching.
A kind of claim hospital scissors processing method, the processing method includes following technique：First, soft is not in use
Rust steel makees the handle and haircut matrix of scissors, and with the rustless steel of higher hardness clip is made；Secondly, haircut matrix and clip are passed through
Spot welded together, and painting is covered with solder flux in junction；Then the haircut matrix for connecting together and clip material are put into very
Solder melts are realized by being welded as a whole for haircut matrix and clip by high temperature in empty stove or the crawler furnace with gas shield,
And make handle and haircut matrix harden (or solid solution) while welding；Then pass through the selective hardenings such as high frequency or laser or flame
Method, clip is hardened；It is last around haircut matrix, clip wire cutting or grinding machine excess stock is cut off after make into
Product.The processing method is simple to operate, and Practical Performance is strong, and in high-temperature soldering, solder melts penetrate into haircut matrix with clip material
In faying face, make haircut matrix bonding with clip material more reliable, firm, the hospital scissors performance processed using the method
It is good, long service life, low cost.
The present invention using above-mentioned technical proposal principle and beneficial effect be：The rustless steel of soft is clamped in present invention use
The handle and pincers (cutting) body of (cutting) class, with the rustless steel of higher hardness mouth is clamped (cut), and pincers (cutting) body, pincers (cutting) mouth size are not
One, to facilitate the seam crossing that solder flux is coated in both, pincers (cutting) body, pincers (cutting) mouth are first fixed with spot welding, then solder flux is applied
Overlay on both seam crossings.By this be coated with the workpiece of solder flux place into vacuum drying oven or crawler furnace with gas shield in welded
Connect, make pincers (cutting) head be connected as an entirety with pincers (cutting) mouth, then by the method for the selective hardenings such as high frequency, laser or flame,
To harden at pincers (cutting) gate material application.It is last around pincers (cutting) mouth wire cutting or grinding machine excess stock is cut off after make
Finished product, it is the higher rustless steel of hardness, handle and the rustless steel that caliper is middle soft so to clamp (cutting) mouth, and pincers are solved very well
The problem that mouth blacks, gets rusty.
Especially it is emphasized that the innovative point of the present invention is not only that the selection of pincers (cutting) gate material and replaces, and
It is first to weld together the material of two different hardness by solder flux to be, is then quenched by the local such as high frequency, laser or flame
The method of fire, pincers (cutting) gate material is hardened.
Further say, in order to preferably solve to clamp the caducous problem of (cutting) mouth appearance, first will pincers (cutting) head matrix and pincers
Both (cutting) gate materials spot welded together, then it is coated in the seam of pincers (cutting) head matrix, pincers (cutting) gate material with solder flux
Place's surrounding, by this workpiece for having applied solder flux be put into vacuum drying oven or crawler furnace with gas shield in weld, make what is linked together
Two kinds of stainless steel material welderings are integral, connected with spot welding and solder flux between pincers (cutting) head matrix and pincers (cutting) mouth, highly stable
It is reliable, the problem that comes off of pincers (cutting) mouth is solved well.
The structure and processing method of the present invention is applicable not only to the processing of medical calm (cutting) class, is also equally applicable to other rows
The processing of industry, species pincers (cutting).
Description of the drawings
Fig. 1 is the structural representation that the binding clip matrix in the embodiment of the present invention 1 is fixedly connected with jaw spot welding；
Fig. 2 is the left-hand view of Fig. 1；
Fig. 3 is that binding clip matrix is fixedly connected the structural representation after rear coated with flux with jaw spot welding in the embodiment of the present invention 1
Figure；
Fig. 4 is the left-hand view of Fig. 3.
Fig. 5 is the structural representation of jaw selective hardening after the welding of binding clip matrix and jaw in the embodiment of the present invention 1；
Fig. 6 is the left-hand view of Fig. 5.
Fig. 7 is that binding clip matrix is welded and the knot after jaw selective hardening after jaw processing with jaw in the embodiment of the present invention 1
Structure schematic diagram；
Fig. 8 is the left-hand view of Fig. 7.
Fig. 9 is the structural representation of haircut matrix and clip point postwelding in the embodiment of the present invention 2；
Figure 10 is the left-hand view of Fig. 9；
Figure 11 is that haircut matrix is fixedly connected the structural representation after rear coated with flux with clip spot welding in the embodiment of the present invention 2
Figure；
Figure 12 is the left-hand view of Figure 11；
Figure 13 is the structural representation of clip selective hardening after the welding of haircut matrix and clip in the embodiment of the present invention 2；
Figure 14 is the left-hand view of Figure 13；
Figure 15 is that haircut matrix is welded and after clip selective hardening after clip reprocessing with clip in the embodiment of the present invention 2
Structural representation；
Figure 16 is the left-hand view of Figure 15.
Specific embodiment
Below by specific embodiment and combine accompanying drawing technical scheme is described in further detail.
Embodiment 1：
In the embodiment shown in Fig. 1, Fig. 2, a kind of medical calm, the medical calm includes handle 1, binding clip matrix 2 and jaw
3, the quenching hardness of handle 1 and binding clip matrix 2 less than jaw 3 hardness, handle 1 and binding clip matrix 2 it is little using hardness after quenching
Make in the middle soft stainless steel material equal to HRC55；Jaw 3 is using harder rustless steel of the hardness more than HRC58 after quenching
Material is made.Jaw 3 is the part that pliers exerts a force when in use with steel wire directly contact, is thicker jaw, the relatively thin edge of a knife
General designation；Harder stainless steel material is that for middle soft stainless steel material, soft rustless steel will in its hardness ratio
It is high；Jaw 3 is connected on binding clip matrix 2, and binding clip matrix 2 is first connected with each other with jaw 3 with spot welding, and binding clip matrix 2 and jaw 3 connect
The place of connecing is coated with solder flux 4, and the bonding of solder flux 4 that binding clip matrix 2 and jaw 3 pass through high temperature melting is one overall, in high-temperature soldering
Make handle 1 harden (or solid solution) with binding clip matrix 2 simultaneously, and bonding be jaw 3 after an entirety by high frequency or laser or
Flame selective hardening.
Solder flux 4 is the mixing cored solder of one or more in Ni-based solder, silver-based cored solder or auri cored solder.This
Embodiment solder flux 4 adopts HJNi-T7 nickel solder flux.
The processing method of above-mentioned medical calm, the processing method includes following technique：First, the rustless steel of soft is made in use
The handle 1 and binding clip matrix 2 of pliers, with the rustless steel of higher hardness jaw 3 is made；Secondly, binding clip matrix 2 is passed through with jaw 3
Spot welded together, and painting is covered with solder flux 4 in junction；Then the binding clip matrix 2 for connecting together and jaw 3 are put into into vacuum
In making solder flux fuse into binding clip matrix 2 and the material of jaw 3 fusing of solder flux 4 by high temperature in stove or the crawler furnace with gas shield
Between, realize being welded as a whole for binding clip matrix 2 and jaw 3, and make while welding handle 1 and binding clip matrix 2 harden (or
Solid solution)；The method for then passing through the selective hardenings such as high frequency or laser or flame, jaw 3 is hardened；Finally around binding clip matrix
2nd, jaw 3 makes finished product after with wire cutting or grinding machine excess stock is cut off.The processing method is simple to operate, and Practical Performance is strong,
In high-temperature soldering, solder melts are penetrated in the faying face of binding clip matrix and jaw material, make binding clip matrix bonding with jaw material
More reliable, firm, the medial forceps performance processed using the method is good, long service life, low cost.
In the present embodiment, first prepared handle 1 and binding clip matrix 2 are integrally formed from 2Cr13 rustless steels, are selected
102Cr17Mo rustless steels make the material of jaw 2；Original state binding clip matrix 3 is tabular with the material of jaw 2, by binding clip base
Body 1 processes smooth with the faying face of the material of jaw 2, is fixed together binding clip matrix 1 with the material of jaw 2 with spot welding.
Then, by the above-mentioned binding clip matrix 1 for connecting together and the workpiece of jaw 2, as shown in Figure 3, Figure 4, soldering flux 4 is coated
In binding clip matrix 2 and the seam crossing of jaw 3, solder flux 4 selects HJNi-T7 nickel solder flux；The binding clip matrix 2 of solder flux 4 has been applied by more than
It is laid flat in the crawler furnace with gas shield to dissolve to weld at a temperature of 1020 DEG C with the pincers base of 3 compositions in jaw and quenches with shank
Fire；Because the welding temperature of HJNi-T7 nickel solder flux is 980 DEG C～1095 DEG C, so the nickel solder flux melts Hou Seepage in stove and arrives thoroughly
In the faying face of binding clip matrix 2 and jaw 3, welding well is realized.It is left that shank hardness achieved above is about HRC46～52
The right side, can meet handle hardness requirement.And now the hardness of jaw 3 is about HRC52～56 or so.As shown in Figure 5, Figure 6, by more than
The jaw 3 that is welding as one is warming up to 1085 DEG C, and the method quenched in oil medium by high frequency partial surface, hard after quenching
Degree is about HRC61～64 or so.It is welding as one by more than and the material through high-frequency quenching is tempered in 200 DEG C of temperature, shank is hard
Degree is about HRC46～52 or so, and jaw hardness is about HRC61～64 or so.Finally will be unnecessary by above-mentioned nip part wire cutting
Material is cut off so as to be processed into the jaw of medical calm as shown in Figure 7, Figure 8.
Embodiment 2：
In the embodiment shown in Fig. 9, Figure 10, a kind of hospital scissors, the hospital scissors includes handle 1, haircut matrix 5 and clip
6, the quenching hardness of handle 1 and haircut matrix 5 less than clip 6 hardness, handle 1 and haircut matrix 5 it is little using hardness after quenching
Make in the middle soft stainless steel material equal to HRC55；Clip 6 is using harder rustless steel of the hardness more than HRC58 after quenching
Material is made.Clip 6 is connected on haircut matrix 5, and haircut matrix 5 is first connected with each other with clip 6 with spot welding.The He of haircut matrix 5
The junction of clip 6 is coated with solder flux 4, and the bonding of solder flux 4 that haircut matrix 5 and clip 6 pass through high temperature melting is one overall, in high temperature
Make handle 1 and haircut matrix 5 harden (or solid solution) while welding, and bonding be clip 6 after an entirety by high frequency or
Laser or flame selective hardening.
Solder flux 4 is the mixing cored solder of one or more in Ni-based solder, silver-based cored solder or auri cored solder.
The processing method of above-mentioned hospital scissors, the processing method includes following technique：First, the rustless steel of soft is made in use
The handle 1 and haircut matrix 5 of scissors, with the rustless steel of higher hardness clip 6 is made；Secondly, haircut matrix 5 is first used with clip 6
Spot welded together, and painting is covered with solder flux 4 in junction；Then the haircut matrix 5 for connecting together and clip 6 are put into into vacuum
Solder flux is set to fuse in haircut matrix 5 and the material of clip 6 fusing of solder flux 4 by high temperature in stove or the crawler furnace with gas shield
Between, realize that haircut matrix 5 and clip 6 are welded as a whole, and it is (or solid to make handle 1 and haircut matrix 5 harden while welding
It is molten)；The method for then passing through the selective hardenings such as high frequency or laser or flame, clip 6 is hardened；It is last around haircut matrix 5,
Clip 6 makes finished product after with wire cutting or grinding machine excess stock is cut off.The processing method is simple to operate, and Practical Performance is strong,
Solder melts are penetrated in the faying face of haircut matrix and clip material during high-temperature soldering, make haircut matrix bonding with clip material more
For reliably, firmly, the hospital scissors performance processed using the method is good, long service life, low cost.
In the present embodiment, the handle 1 being made into integration using 17-4 PH stainless steel materials and haircut matrix 5 are adopted
With clip 6 made by Cr14Mo4V stainless steel materials；From HJNi-TT16A as bonding haircut matrix 5 and clip 6 weldering
Agent 4；Haircut matrix 5 is welded together as shown in Figure 11,12 by two materials with spot welding mode with clip 6, by selected HJNi-
TT16A solder flux 4 is coated in two material junctions, makes both be welded as a whole by the solder flux 4 for melting at high temperature, the cladding of solder flux 4
On haircut matrix 5 and the seam crossing of clip 6 and faying face.As shown in Figure 13,14, the above clip 6 being welding as one is led to
The method for crossing the selective hardenings such as high frequency, laser or flame, the knife edge surfaces that the material of clip 6 is used are hardened.
The processing method of hospital scissors is as follows in the present embodiment：
First prepared handle 1 and haircut matrix 5 are integrally formed from 17-4 rustless steels, are made from Cr14Mo4V rustless steels
Clip 6；Original state haircut matrix 5 is tabular with clip 6, and the faying face processing of haircut matrix 5 and clip 6 is smooth simultaneously
By both with spot welding link together, then, solder flux 4 is coated in into the joint of haircut matrix 5 and clip 6, solder flux 4 is selected
HJNi-TT16A, the base of cutting that HJNi-TT16A solder flux has been applied by more than is laid flat 1060 DEG C of welderings in the crawler furnace with gas shield
Connect and solid solution.Due to HJNi-TT16A, its welding temperature is 1045 DEG C -1095 DEG C, so after the solder flux 4 dissolves in crawler furnace
Seepage is arrived inside the faying face of haircut matrix 5 and clip 6 thoroughly, haircut matrix 5 is welded together well with clip 6.Now, cut
The handle 1 and haircut matrix 5 of base is in solid solution condition, and hardness is HRC30～33 or so, and the hardness of clip 6 is that HRC54-58 is left
It is right.As shown in Figure 13, Figure 14, the above is welding as one into the knife-edge portion of clip 6 and is warming up to 1120 by high frequency partial surface
DEG C, and in the method for oil medium quenching, the hardness after quenching is about HRC60～63 or so.It is welding as one by more than and through high
The material of frequency quenching is repeatedly tempered in 450～540 DEG C of temperature, and shank hardness is about HRC40～45 or so, and the hardness of clip 6 is about
HRC61～65 or so.Clip 6 is finally processed into the clip for cutting class with wire cutting and grinding machine (as shown in Figure 15, Figure 16).So
It is HRC40-45 precipitation hardenables that the hardness of obtained clip 6 is the hardness of the rustless steel of HRC61-65, handle and the matrix for cutting class
Rustless steel.Also, the rustless property and handle of cutting class product are very excellent with the toughness of clip.
Claims (10)
1. a kind of medical calm, it is characterised in that：The medical calm includes handle, binding clip matrix and jaw, described handle and binding clip
The hardness of matrix is less than the hardness of jaw, and described jaw is connected on binding clip matrix, and described binding clip matrix and jaw connects
Place is coated with solder flux, and the solder flux bonding that the binding clip matrix and jaw pass through high temperature melting is one overall, in the same of high-temperature soldering
When make handle and binding clip matrix harden or solid solution, and bonding is jaw after an entirety by high frequency or laser or flame local
Quenching.
2. a kind of medical calm according to claim 1, is characterized in that：Described solder flux is Ni-based solder, silver-based soldering
The mixing cored solder of one or more in material or auri cored solder.
3. a kind of medical calm according to claim 1, is characterized in that：Described binding clip matrix is with jaw before solder flux welding
It is connected with each other using spot welding.
4. a kind of medical calm according to claim 1 or 2 or 3, is characterized in that：Described handle and binding clip matrix is adopted to be quenched
Middle soft stainless steel material of the hardness less than or equal to HRC55 is made after fire；Described jaw is more than using hardness after quenching
The harder stainless steel material of HRC58 is made.
5. the medical calm processing method described in a kind of Claims 1-4 any one, it is characterised in that：The processing method includes
Following technique：First, the rustless steel of soft makees the handle and binding clip matrix of pliers in use, is clamped with the rustless steel of higher hardness
Mouthful；Secondly, by binding clip matrix and jaw by spot welded together, and painting is covered with solder flux in junction；Then one will be connected in
The binding clip matrix for rising is put in vacuum drying oven or the crawler furnace with gas shield with jaw and solder melts is realized into binding clip by high temperature
Matrix and jaw are welded as a whole, and while welding make handle and binding clip matrix harden or solid solution；Then pass through height
The method of the selective hardening such as frequency or laser or flame, jaw is hardened；Finally around binding clip matrix, jaw wire cutting or mill
Bed makes finished product after excess stock is cut off.
6. a kind of hospital scissors, it is characterised in that：The hospital scissors includes handle, haircut matrix and clip, described handle and haircut
The hardness of matrix is less than the hardness of clip, and described clip is connected on haircut matrix, and described haircut matrix and clip connects
Place is coated with solder flux, and the solder flux bonding that the haircut matrix and clip pass through high temperature melting is one overall, in the same of high-temperature soldering
When make handle and haircut matrix harden or solid solution, and bonding is clip after an entirety by high frequency or laser or flame local
Quenching.
7. a kind of hospital scissors according to claim 6, is characterized in that：Described solder flux is Ni-based solder, silver-based soldering
The mixing cored solder of one or more in material or auri cored solder.
8. a kind of hospital scissors according to claim 6, is characterized in that：Described haircut matrix is mutual using spot welding with clip
Connection.
9. a kind of hospital scissors according to claim 6 or 7 or 8, is characterized in that：Described handle and haircut matrix is adopted to be quenched
Middle soft stainless steel material of the hardness less than or equal to HRC55 is made after fire；Described clip is more than using hardness after quenching
The harder stainless steel material of HRC58 is made.
10. the hospital scissors processing method described in a kind of claim 6 to 9 any one, it is characterised in that：The processing method includes
Following technique：First, the rustless steel of soft makees the handle and haircut matrix of scissors in use, is cut with the rustless steel of higher hardness
Mouthful；Secondly, by haircut matrix and clip by spot welded together, and painting is covered with solder flux in junction；Then one will be connected in
The haircut matrix for rising is put in vacuum drying oven or the crawler furnace with gas shield with clip and solder melts is realized into haircut by high temperature
Matrix and clip are welded as a whole, and while welding make handle and haircut matrix harden or solid solution；Then pass through height
The method of the selective hardening such as frequency or laser or flame, clip is hardened；Finally around haircut matrix, clip wire cutting or mill
Bed makes finished product after excess stock is cut off.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610951972.8A CN106562809A (en) | 2016-11-02 | 2016-11-02 | Medical clamps/scissors product, and processing method of the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610951972.8A CN106562809A (en) | 2016-11-02 | 2016-11-02 | Medical clamps/scissors product, and processing method of the same |
Publications (1)
| Publication Number | Publication Date |
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| CN106562809A true CN106562809A (en) | 2017-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610951972.8A Pending CN106562809A (en) | 2016-11-02 | 2016-11-02 | Medical clamps/scissors product, and processing method of the same |
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| CN113500357A (en) * | 2021-07-20 | 2021-10-15 | 浙江新亚医疗科技股份有限公司 | Tooth orthodontic bending forceps and preparation method thereof |
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Application publication date: 20170419 |