CN208391735U - For refining the device of Medical injection needle inner surface - Google Patents
For refining the device of Medical injection needle inner surface Download PDFInfo
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- CN208391735U CN208391735U CN201820886070.5U CN201820886070U CN208391735U CN 208391735 U CN208391735 U CN 208391735U CN 201820886070 U CN201820886070 U CN 201820886070U CN 208391735 U CN208391735 U CN 208391735U
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- carborundum line
- loaded
- workpiece
- driving mechanism
- carborundum
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Abstract
The utility model belongs to super internal surface of elongated tube fine grinding technical field, more particularly, to a kind of for refining the device of Medical injection needle inner surface, it is characterized by comprising pedestals, workpiece is loaded driving mechanism, axial moving mechanism, carborundum line is loaded driving mechanism, the workpiece driving mechanism that is loaded includes spindle box, spindle motor, electric machine main shaft, flange I, scroll chuck I, workpiece is loaded on this scroll chuck I, the carborundum line driving mechanism that is loaded includes that setting moves axially bottom plate in mechanism, carborundum line servo motor, carborundum line driving motor main shaft, flange II, scroll chuck II, carborundum line, which is got one's things ready, to be stuck in this scroll chuck II.The characteristics of carborundum line particles of silicon carbide high rigidity, small particle is utilized in the utility model, pass through the high speed rotation of carborundum line and the relative rotation of ultra-fine long tube, workpiece surface material is realized and is removed, this method is simple, it is easily operated, high in machining efficiency, carborundum line can be used repeatedly, and processing cost is low.
Description
Technical field
The utility model belongs to super internal surface of elongated tube fine grinding technical field, more particularly, to one kind for refining medical injection
The device of emitter syringe needle inner surface.
Background technique
Injection is a kind of common medical procedure, and Medical injection needle is common medical instrument in injection treatment.Mesh
It is preceding it is common be exactly internal diameter 1.4mm, the sus304 injection needle of outer diameter 1.8mm.These medical elongated tubular syringe needles are mainly used to pass
Defeated important liquid medicine, the stability that the roughness and surface texture of inner surface transmit medical fluid have a great impact,
Elongated tubular syringe needle uses for a long time, and inner surface is immersed in chemical agent, and surfacing can generate slight erosion, and lead to table
Plane materiel material falls off, this is breakneck for patient.Therefore, in the medical field, the quality of internal surface of elongated tube
It is required that especially high, the skin processing of inner surface is extremely important.Traditional needle tubing inner surface treatment is to improve inner hole with pickling
Surface quality, but there is pollution in the method for chemical process, and material removal amount is not easy to control, in addition may deposit to a certain extent
In certain pollution.Present abrasive flows method can also be used to processing elongated tubular, but abrasive flow machining needs certain pressure
Fluid injection is completed to process, if pressure is smaller, is unable to complete the processing of workpiece surface, but pressure is larger, it can be to work
Being damaged to a certain extent property of part surface.The Chinese patent of 203236309 U of Publication No. CN discloses a kind of straight tube surfaces externally and internally
The magnetic grinder of synchronous polishing is, it can be achieved that the synchronous polishing of straight tube surfaces externally and internally.But relative to syringe needle
For, since needle diameter is too small, the processing polished to injection needle inner surface cannot be realized using this technology.
Summary of the invention
Medical needle inner surface burr can be removed the purpose of the utility model is to provide one kind and processes being used for for texture
The device of Medical injection needle inner surface is refined, realizes the high-precision skin processing to super internal surface of elongated tube.
The purpose of this utility model is realized by following technical proposals:
The device for being used to refine Medical injection needle inner surface of the utility model, it is characterised in that including pedestal, if
Set the workpiece on this pedestal be loaded driving mechanism, axial moving mechanism, position that this workpiece is loaded below driving mechanism are set
It is loaded driving mechanism in the be loaded carborundum line on driving mechanism opposite of the workpiece,
The workpiece is loaded driving mechanism including spindle box on the base is arranged, and the master in this spindle box is arranged in
Spindle motor, the electric machine main shaft being connected with this spindle motor, the flange I being connected with this electric machine main shaft, with the fixed company of this flange I
The scroll chuck I connect, workpiece are loaded on this scroll chuck I,
The carborundum line driving mechanism that is loaded includes the bottom plate being arranged on the axial moving mechanism, and setting is herein
Carborundum line servo motor on bottom plate, the carborundum line driving motor main shaft being connected with this carborundum line servo motor, with
The flange II that this carborundum line driving motor main shaft is connected, the scroll chuck II being fixedly connected with this flange II, carborundum line
It gets one's things ready and is stuck in this scroll chuck II.
The axial moving mechanism includes the lead screw driving motor being arranged in the spindle box, passes through shaft coupling and this
The axial direction of the lead screw two sides is arranged in the lead screw that lead screw driving motor is connected, the axial slider connecting with this threads of lead screw
Limit switch on the base is arranged in slideway, and the axial slider is slidably connected with the axial slideway, described
Bottom plate is fixed on the axial slider.
The center for driving mechanism that the workpiece is loaded driving mechanism and the carborundum line is loaded is on the same axis.
The diamond dust harness pricks Shu Ercheng by one group of carborundum line, and every carborundum line surface is coated with diamond dust
Grain.
The spindle box is equipped with speed regulation shelves I.
The carborundum line servo motor is equipped with speed regulation shelves II.
The advantages of the utility model:
The device for being used to refine Medical injection needle inner surface of the utility model and traditional ultra-fine long tube polishing side
The characteristics of formula compares, and carborundum line particles of silicon carbide high rigidity, small particle is utilized, by the high speed rotation of carborundum line with
And the relative rotation of ultra-fine long tube, workpiece surface material is realized by the particles of silicon carbide on centrifugal force and sand line surface and is removed,
Surfacing removal amount can reach requirement by changing carborundum line revolving speed, can be realized by changing the partial size of diamond dust
The requirement of different accuracy, roughness.This method is simple, easily operated, high in machining efficiency, and carborundum line can be used repeatedly,
Processing cost is low.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is partial sectional view when the utility model workpiece is not rotated with diamond dust harness.
Partial sectional view when Fig. 3 is the utility model workpiece and the rotation of diamond dust harness.
Fig. 4 is the microscopic appearance of the utility model carborundum line.
Fig. 5 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.8x200mm sus grinds front surface shape appearance figure.
Fig. 6 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.8x200mm sus grinds rear surface shape appearance figure.
Fig. 7 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.8x200mm sus grinds front surface roughness
Curve graph.
Fig. 8 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.8x200mm sus grinds rear surface roughness
Curve graph.
Fig. 9 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.4x200mm sus grinds front surface shape appearance figure.
Figure 10 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.4x200mm sus grinds rear surface pattern
Figure.
Figure 11 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.4x200mm sus grinds front surface roughness
Curve graph.
Figure 12 is that the ultra-fine long tube of 304 stainless steel of the utility model embodiment 1.4x200mm sus grinds rear surface roughness
Curve graph.
Specific embodiment
Specific embodiment of the present utility model is further illustrated with reference to the accompanying drawing.
As shown in Figs 1-4, the device for being used to refine Medical injection needle inner surface of the utility model, it is characterised in that
Including pedestal 1, the workpiece being arranged on this pedestal 1 be loaded driving mechanism, the axis that this workpiece is loaded below driving mechanism is set
The carborundum line on driving mechanism opposite of being loaded to mobile mechanism, positioned at the workpiece is loaded driving mechanism,
The workpiece is loaded driving mechanism including spindle box 2 is arranged on the pedestal 1, is arranged in this spindle box 2
Spindle motor, the electric machine main shaft 17 being connected with this spindle motor, the flange I 4 being connected with this electric machine main shaft 17, with this method
The scroll chuck I 5 that orchid I 4 is fixedly connected, workpiece 6 are loaded on this scroll chuck I 5,
The carborundum line driving mechanism that is loaded includes the bottom plate 12 being arranged on the axial moving mechanism, and setting exists
Carborundum line servo motor 11 on this bottom plate 12, the carborundum line driving motor being connected with this carborundum line servo motor 11
Main shaft 18, the flange II 9 being connected with this carborundum line driving motor main shaft 18, the three-jaw card being fixedly connected with this flange II 9
Disk II 8, diamond dust harness 7 are loaded in this scroll chuck II 8.
The axial moving mechanism includes the lead screw driving motor being arranged in the spindle box 2, by shaft coupling with
The lead screw 13 that this lead screw driving motor is connected, the axial slider 16 being threadedly coupled with this lead screw 13 are arranged in the lead screw 13
The axial slideway 15 of two sides, is arranged in the limit switch 14 on the pedestal 1, and the axial slider 16 and the axial direction are sliding
Road 15 is slidably connected, and the bottom plate 12 is fixed on the axial slider 16.
The center for driving mechanism that the workpiece is loaded driving mechanism and the carborundum line is loaded on the same axis,
To guarantee that the workpiece 6 being loaded and diamond dust harness 7 are concentric.
The diamond dust harness 7 pricks Shu Ercheng by one group of carborundum line, and every carborundum line surface is coated with diamond dust
Grain.Carborundum line surface is coated with lesser particles of silicon carbide, pricks beam through both ends after the ultra-fine long tube of syringe needle class in carborundum line, leads to
The rotation for crossing diamond dust harness 7, the carborundum line tied together originally scatter due to the effect of centrifugal force and are attached to ultra-fine length
Pipe internal surface, molecule abrasive material and workpiece by the reverse rotation of ultra-fine long tube and carborundum line interfascicular, on carborundum line
Inner surface generates opposite swiping, carries out skin processing to super internal surface of elongated tube.
The spindle box 2 is equipped with speed regulation shelves I 3.
The carborundum line servo motor 11 is equipped with speed regulation shelves II 10.
The device for refining Medical injection needle inner surface of the utility model passes through scroll chuck I by spindle motor
5 drive workpiece 6 to rotate, and carborundum line servo motor 11 drives diamond dust harness 7 to reversely rotate by scroll chuck II 8, meanwhile,
Lead screw driving motor drives bottom plate 12 to axially move；And the distance that bottom plate 12 moves axially is controlled by limit switch 14, with
Guarantee that diamond dust harness 7 rotates in workpiece 6 always, during refining ultra-fine long tube, workpiece 6 and diamond dust harness 7
Relative velocity be equal to 6 rotation speed of workpiece and 7 rotation speed of diamond dust harness and.
The utility model is described in more detail with embodiment with reference to the accompanying drawing
The skin processing of the 304 super internal surface of elongated tube of stainless steel of embodiment 1:1.8x200mm sus；
It is a kind of for polishing the device of Medical injection needle inner surface, solution is as follows:
A. it is loaded: diamond dust harness 7 is pricked into beam through both ends after workpiece 6, workpiece 6 is clamped in the three of spindle motor connection
On dog chuck I 5, one end of diamond dust harness 7 is clamped on the scroll chuck II 8 of the connection of carborundum line servo motor 11, adjustment
The axial direction of two scroll chucks is allowed to guarantee coaxial with radial position；
B. parameter setting: setting spindle motor rotates forward, and revolving speed is 250 r/min -500r/min；Setting carborundum line is watched
The reversion of motor 11 is taken, revolving speed is 1300 r/min -1500r/min；7 axial feed velocity of diamond dust harness is 60mm/min；
C. it refines: the concentricity of adjustment spindle motor and 11 two scroll chucks connecting of carborundum line servo motor,
Aqueous polishing liquid is filled on the diamond dust harness 7 that diameter is 0.2mm, opens spindle motor, carborundum line servo motor 11 and step
Into motor, spindle motor revolving speed is 250r/min, and workpiece 6 is driven to rotate in the forward direction；11 speed of mainshaft of carborundum line servo motor
1300r/min drives diamond dust harness 7 to reversely rotate, and diamond dust harness 7 is scatter and is attached to due to centrifugal force effect
Super internal surface of elongated tube；By the relative motion of carborundum line and workpiece, make the molecule abrasive material on carborundum line to workpiece
Inner surface carries out swiping；Process time is 15min；
D. super grinding: the diamond dust harness 7 that replacement diameter is 0.12mm fills aqueous polishing liquid, opens spindle motor, gold
Emery line servo motor 11 and stepper motor, process time 15min；
E. it cleans: the workpiece of super grinding being removed, is cleaned, is then dried；
F. result detects: the pattern variation and roughness for grinding front and back workpiece surface are detected using super depth of field 3D microscope
Variation, as a result as viewed in figures 5-8.
The skin processing of the 304 super internal surface of elongated tube of stainless steel of embodiment 2:1.4x200mm sus；
A. it is loaded: diamond dust harness 7 is pricked into beam through both ends after workpiece 6, workpiece 6 is clamped in the three of spindle motor connection
On dog chuck I 5, one end of diamond dust harness 7 is clamped on the scroll chuck II 8 of the connection of carborundum line servo motor 11, adjustment
The axial direction of two scroll chucks is allowed to guarantee coaxial with radial position；
B. parameter setting: setting spindle motor rotates forward, and revolving speed is 250 r/min -500r/min；Setting carborundum line is watched
The reversion of motor 11 is taken, revolving speed is 1300 r/min -1500r/min；7 axial feed velocity of diamond dust harness is 60mm/min；
C. it refines: the concentricity of adjustment spindle motor and 11 two scroll chucks connecting of carborundum line servo motor,
Aqueous polishing liquid is filled on the diamond dust harness 7 that diameter is 0.2mm, opens spindle motor, carborundum line servo motor 11 and step
Into motor, spindle motor revolving speed is 400r/min, and workpiece 6 is driven to rotate in the forward direction；11 speed of mainshaft of carborundum line servo motor
1500r/min drives diamond dust harness 7 to reversely rotate, and diamond dust harness 7 is scatter and is attached to due to centrifugal force effect
Super internal surface of elongated tube；By the relative motion of carborundum line and workpiece, make the molecule abrasive material on carborundum line to workpiece
Inner surface carries out swiping；Process time is 15min；
D. super grinding: the diamond dust harness that replacement diameter is 0.12mm fills aqueous polishing liquid, opens spindle motor, gold
Emery line servo motor 11 and stepper motor, process time 15min；
E. it cleans: the workpiece of super grinding being removed, is cleaned, is then dried；
F. result detects: the pattern variation and roughness for grinding front and back workpiece surface are detected using super depth of field 3D microscope
Variation, as a result as shown in figs9-12.
The device for being used to refine Medical injection needle inner surface of the utility model and traditional ultra-fine long tube polishing side
The characteristics of formula compares, and carborundum line particles of silicon carbide high rigidity, small particle is utilized, by the high speed rotation of carborundum line with
And the relative rotation of ultra-fine long tube, workpiece surface material is realized by the particles of silicon carbide on centrifugal force and sand line surface and is removed,
Surfacing removal amount can reach requirement by changing carborundum line revolving speed, can be realized by changing the partial size of diamond dust
The requirement of different accuracy, roughness.This method is simple, easily operated, high in machining efficiency, and carborundum line can be used repeatedly,
Processing cost is low.
Claims (6)
1. a kind of for refining the device of Medical injection needle inner surface, it is characterised in that including pedestal, be arranged in this pedestal
On workpiece be loaded driving mechanism, axial moving mechanism that this workpiece is loaded below driving mechanism is set, is located at the workpiece
The carborundum line on the driving mechanism that is loaded opposite is loaded driving mechanism,
The workpiece is loaded driving mechanism including spindle box on the base is arranged, and the main shaft electricity in this spindle box is arranged in
Machine, the electric machine main shaft being connected with this spindle motor, the flange I being connected with this electric machine main shaft are fixedly connected with this flange I
Scroll chuck I, workpiece are loaded on this scroll chuck I,
The carborundum line driving mechanism that is loaded includes the bottom plate being arranged on the axial moving mechanism, is arranged in this bottom plate
On carborundum line servo motor, the carborundum line driving motor main shaft being connected with this carborundum line servo motor, with this gold
The flange II that emery line driving motor main shaft is connected, the scroll chuck II being fixedly connected with this flange II, carborundum line is got one's things ready
It is stuck in this scroll chuck II.
2. according to claim 1 for refining the device of Medical injection needle inner surface, it is characterised in that described
Axial moving mechanism includes the lead screw driving motor being arranged in the spindle box, passes through shaft coupling and this lead screw driving motor phase
The axial slideway of the lead screw two sides is arranged in the lead screw of connection, the axial slider connecting with this threads of lead screw, is arranged described
Limit switch on pedestal, the axial slider are slidably connected with the axial slideway, and the bottom plate is fixed on described
Axial slider on.
3. according to claim 1 for refining the device of Medical injection needle inner surface, it is characterised in that described
The center for driving mechanism that workpiece is loaded driving mechanism and the carborundum line is loaded is on the same axis.
4. according to claim 1 for refining the device of Medical injection needle inner surface, it is characterised in that described
Diamond dust harness pricks Shu Ercheng by one group of carborundum line, and every carborundum line surface is coated with particles of silicon carbide.
5. according to claim 1 for refining the device of Medical injection needle inner surface, it is characterised in that described
Spindle box is equipped with speed regulation shelves I.
6. according to claim 1 for refining the device of Medical injection needle inner surface, it is characterised in that described
Carborundum line servo motor is equipped with speed regulation shelves II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886070.5U CN208391735U (en) | 2018-06-08 | 2018-06-08 | For refining the device of Medical injection needle inner surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886070.5U CN208391735U (en) | 2018-06-08 | 2018-06-08 | For refining the device of Medical injection needle inner surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208391735U true CN208391735U (en) | 2019-01-18 |
Family
ID=65133962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820886070.5U Expired - Fee Related CN208391735U (en) | 2018-06-08 | 2018-06-08 | For refining the device of Medical injection needle inner surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208391735U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555733A (en) * | 2018-06-08 | 2018-09-21 | 辽宁科技大学 | Device for refining Medical injection needle inner surface |
| CN111390665A (en) * | 2020-05-07 | 2020-07-10 | 黄山市尚义橡塑制品有限公司 | Automatic processing frock clamp is made to rubber spare |
-
2018
- 2018-06-08 CN CN201820886070.5U patent/CN208391735U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555733A (en) * | 2018-06-08 | 2018-09-21 | 辽宁科技大学 | Device for refining Medical injection needle inner surface |
| CN111390665A (en) * | 2020-05-07 | 2020-07-10 | 黄山市尚义橡塑制品有限公司 | Automatic processing frock clamp is made to rubber spare |
| CN111390665B (en) * | 2020-05-07 | 2021-06-08 | 黄山市尚义橡塑制品有限公司 | Automatic processing frock clamp is made to rubber spare |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 |