CN108247301B - C-shaped arm of orthopedic medical instrument - Google Patents
C-shaped arm of orthopedic medical instrument Download PDFInfo
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- CN108247301B CN108247301B CN201810091690.4A CN201810091690A CN108247301B CN 108247301 B CN108247301 B CN 108247301B CN 201810091690 A CN201810091690 A CN 201810091690A CN 108247301 B CN108247301 B CN 108247301B
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Abstract
The utility model provides an orthopedic medical instrument C type arm, including the C type arm frame that is used for the bearing, C type arm frame has C type structure frame muscle roof beam, a plurality of wiring grooves have been seted up on the frame muscle roof beam, an isolation link stopper has between a plurality of wiring grooves, a plurality of wiring inslot surface coating has insulating coating, it has anti-interference plastics protection cover body to have outside the frame muscle roof beam, the frame muscle roof beam uses titanium alloy stamping forming to make, it keeps apart the link stopper and a plurality of wiring inslot surface coating has insulating coating and can make the formation still less between the medical instrument circuit buried underground on the frame muscle roof beam do not receive the interference between a plurality of wiring grooves, guarantee the circuit insulation stability, accurate medical instrument inspection result, improve medical instrument life.
Description
Technical Field
The invention relates to a C-shaped arm of an orthopedic medical instrument, and belongs to the technical field of orthopedic medical instruments.
Background
The function of the C-shaped arm in the orthopedic surgery can observe the surgery effect and adjust the fracture position. So as to improve the process that the X-ray film needs to be shot repeatedly and then adjusted after being washed. Reduce the operation time of the patient and relieve the pain and the economic burden of the patient. The success rate of the operation and the operation intensity of the doctor are improved. Along with the weight and the precision of the existing operation device are continuously increased, the C-shaped arm frame is required to have good bearing performance, the working external circuits of the measuring instrument are diversified along with the complexity of the measuring instrument, insulation between the measuring instrument and the measuring instrument is required to be avoided, the service life of the C-shaped arm is ensured, and the measuring precision is improved.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a C-shaped arm of an orthopedic medical instrument.
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: 7-9% of Zn, 0.7-0.9% of Nb, 0.5-0.6% of Si, 0.2-0.5% of Ags, 0.1-0.2% of Sn, 0.08-0.09% of V, 0.05-0.08% of Co, 0.04-0.06% of Mn, 0.03-0.04% of Ni, 0.02-0.03% of Bi and the balance of Ti, smelting the titanium alloy consumable electrode by using a vacuum consumable electrode arc furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 520-550 ℃, and keeping the temperature for 3-5 hours; then heating to 600-640 ℃, and preserving the heat for 1-3 hours; cooling to 120-150 ℃ along with the furnace, and air-cooling to room temperature;
B) after heat treatment, the casting blank is firstly subjected to cogging forging at the temperature of 1180-; then carrying out second-stage forging: the forging temperature is 1050-; then, carrying out the third-stage forging, wherein the opening forging temperature is 940-;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, and the rolling is carried out for 3-6 times;
D) cutting the rolled bar into required lengths, and then carrying out slotting processing;
E) heating the grooved bar to 840-880 ℃, then placing the bar in a forming punch for bending and stamping forming, keeping the bar at the temperature of 810-820 ℃ for 50-80 seconds, then cooling to 520-550 ℃ at the cooling rate of 20-30 ℃/second in the pressure-keeping state, keeping the temperature for 3-5 minutes, then continuing maintaining the pressure, cooling to 200-260 ℃ at the cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping piece in a heat treatment furnace for reheating to 710-760 ℃, and keeping the temperature for 2-4 hours;
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 60-80 parts of fluorosilicone resin, 10-20 parts of polyalkylaryl organic silicon resin, 10-20 parts of titanium dioxide, 3-6 parts of linoleic acid, 2-5 parts of hydroxyethyl cellulose, 1-3 parts of polyvinyl alcohol, 1-3 parts of zinc chromate, 1-2 parts of lauric acid diethanolamide and 60-120 parts of solvent, so as to obtain the final C-shaped arm frame rib beam.
Preferably, the high-temperature rolling start temperature of the C-shaped arm of the orthopedic medical instrument is 860 ℃, the elongation coefficient of a single-pass rolled piece is 1.2-1.25, and the rolling speed is 0.4-1 m/s; the finishing temperature of high-temperature rolling is 780 ℃, and the rolling is carried out for 5-7 times.
Preferably, the low-temperature rolling start temperature of the C-shaped arm of the orthopedic medical instrument is 750 ℃, the elongation coefficient of a single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680 ℃, and the rolling is carried out for 3-6 times.
Preferably, the C-shaped arm of the orthopedic medical device comprises the following titanium alloy elements in percentage by weight: zn 8%, Nb 0.8%, Si 0.5%, Ag 0.4%, Sn 0.2%, V0.08%, Co 0.07%, Mn 0.05%, Ni0.03%, Bi 0.02%, and the balance Ti.
Preferably, the insulation coating of the C-shaped arm of the orthopedic medical instrument comprises the following raw materials in parts by weight: 80 parts of fluorine-silicon resin, 15 parts of polyalkylaryl organic silicon resin, 12 parts of titanium dioxide, 4 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 3 parts of polyvinyl alcohol, 2 parts of zinc chromate, 1 part of lauric acid diethanolamide and 100 parts of solvent.
Preferably, the C-shaped arm of the orthopedic medical instrument heats the grooved bar stock to 840-880 ℃.
Preferably, the C-shaped arm of the orthopedic medical device is placed in a forming punch for bending and stamping forming and is kept at the temperature of 810-820 ℃ for 50-80 seconds.
Preferably, the C-shaped arm of the orthopedic medical instrument is placed in a heat treatment furnace to be reheated to 710-760 ℃, and the temperature is preserved for 2-4 hours.
Preferably, the number of the wiring grooves of the C-shaped arm of the orthopedic medical device is about 3-5.
Preferably, the C-shaped arm of the orthopedic medical instrument further comprises an X-ray generating device connected with the end part of the C-shaped arm rack
The C-shaped structure rack reinforcing beam adopts titanium alloy, keeps the grain refinement of the titanium alloy through the heat treatment forging rolling and stamping process, well prevents element grain boundary precipitation, ensures the mechanical property requirement of the required bar, ensures that the C-shaped structure rack reinforcing beam can bear medical instruments with larger weight, ensures that the corresponding C-shaped arm does not deform in the use process, ensures the service life, has the isolation stop blocks among the plurality of wiring grooves and ensures that the inner surfaces of the plurality of wiring grooves are coated with the insulating coating so as to ensure that fewer medical instrument lines embedded in the rack reinforcing beam are formed without interference, ensures the insulation stability of the lines, ensures the accurate inspection result of the medical instruments and improves the service life of the medical instruments.
Drawings
Fig. 1 is a schematic cross-sectional view of a C-arm gantry.
Detailed Description
Referring to the attached figure 1, the C-shaped arm of the orthopedic medical instrument comprises a C-shaped arm frame for bearing, wherein the C-shaped arm frame is provided with a frame rib beam 1 with a C-shaped structure, a plurality of wiring grooves 2 are formed in the frame rib beam, isolation stop blocks 3 are arranged among the wiring grooves, insulating paint 4 is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body 5 is sleeved outside the frame rib beam, the frame rib beam is manufactured by titanium alloy through punch forming,
table 1: the test result of the relevant performance of the titanium alloy frame reinforcing beam is as follows:
| example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Modulus of elasticity (GPa) | 127 | 123 | 126 | 130 | 120 |
| Tensile strength (MPa) | 680 | 706 | 695 | 673 | 689 |
| Yield strength (MPa) | 634 | 668 | 653 | 637 | 650 |
| Elongation% | 14 | 10 | 13 | 11 | 11 |
| Bending strength (MPa) | 345 | 349 | 358 | 352 | 343 |
Table 2: insulating coating performance test results:
| example 1 | Example 2 | Example 3 | Example 4 | Example 5 | |
| Film adhesion (MPa) | 15.2 | 14.5 | 13.4 | 15.8 | 14.9 |
| Volume resistivity (10)12Ω·m) | 1.6 | 1.5 | 1.6 | 1.2 | 1.6 |
Example 1
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: zn 8%, Nb 0.7%, Si 0.5%, Ag 0.3%, Sn0.14%, V0.082%, Co 0.07%, Mn 0.06%, Ni 0.03%, Bi 0.025%, and the balance Ti, and smelting the titanium alloy consumable electrode by using a vacuum consumable electrode arc furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 550 ℃, and keeping the temperature for 3-5 hours; then heating to 620 ℃, and preserving the heat for 1-3 hours; cooling to 120 ℃ and 150 ℃ along with the furnace, and air-cooling to room temperature
B) After heat treatment, the casting blank is firstly subjected to cogging forging at the cogging temperature of 1200 ℃, the finish forging temperature of 1100 ℃ and the deformation of 30-35%; then carrying out second-stage forging: the open forging temperature is 1060 ℃, the finish forging temperature is 970 ℃, and the deformation is 50-60%; repeating for 3-5 times; then, forging in the third stage, wherein the forging temperature is 950 ℃, the finish forging temperature is 850 ℃, and the deformation amount is 40-45%, and repeating for 2-3 times;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, the rolling is carried out for 3-6 times,
D) cutting the rolled bar into required length, then performing slotting processing,
E) heating the grooved bar stock to 850 ℃, placing the bar stock in a forming punch to bend and punch, keeping the bar stock at the temperature of 810 ℃ for 50-80 seconds, then cooling to 540 ℃ at the cooling rate of 20-30 ℃/second under the pressure-keeping state, keeping the temperature for 3-5 minutes, then continuing keeping the pressure, cooling to 240 ℃ at the cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping piece into a heat treatment furnace to re-heat to 760 ℃, keeping the temperature for 2-4 hours,
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 80 parts of fluorosilicone resin, 12 parts of polyalkylaryl organic silicon resin, 18 parts of titanium dioxide, 4 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 2 parts of polyvinyl alcohol, 2 parts of zinc chromate, 1 part of lauric acid diethanolamide and 90 parts of solvent, so as to obtain the final C-shaped arm frame rib.
Example 2
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: 7% of Zn, 0.75% of Nb, 0.58% of Si, 0.4% of Ag, 0.2% of Sn0, 0.09% of V, 0.06% of Co, 0.06% of Mn, 0.032% of Ni, 0.03% of Bi and the balance of Ti, and smelting and casting the titanium alloy consumable electrode by using a vacuum consumable electrode furnace to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 550 ℃, and keeping the temperature for 3-5 hours; then heating to 630 ℃, and preserving heat for 1-3 hours; cooling to 120 ℃ and 150 ℃ along with the furnace, and air-cooling to room temperature
B) After heat treatment, the casting blank is firstly subjected to cogging forging at the temperature of 1190 ℃ and the final forging temperature of 1100 ℃ and the deformation amount of 30-35%; then carrying out second-stage forging: the open forging temperature is 1070 ℃, the finish forging temperature is 970 ℃, and the deformation is 50-60%; repeating for 3-5 times; then, forging in the third stage, wherein the forging temperature is 940 ℃, the finish forging temperature is 850 ℃, and the deformation amount is 40-45%, and the forging is repeated for 2-3 times;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, the rolling is carried out for 3-6 times,
D) cutting the rolled bar into required length, then performing slotting processing,
E) heating the grooved bar stock to 870 ℃, then placing the bar stock in a forming punch for bending and punch forming, keeping the bar stock at 815 ℃ for 50-80 seconds, then cooling to 540 ℃ at a cooling rate of 20-30 ℃/second under a pressure-preserving state, keeping the temperature for 3-5 minutes, then continuing to keep the pressure, cooling to 200-260 ℃ at a cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping part in a heat treatment furnace for reheating to 740 ℃, keeping the temperature for 2-4 hours,
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 60 parts of fluorosilicone resin, 10 parts of polyalkylaryl organic silicon resin, 10 parts of titanium dioxide, 3 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 2 parts of polyvinyl alcohol, 2 parts of zinc chromate, 1 part of lauric acid diethanolamide and 75 parts of solvent, thus obtaining the final C-shaped arm frame rib.
Example 3
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: 8.5% of Zn, 0.85% of Nb, 0.54% of Si, 0.35% of Ag, 0.16% of Sn, 0.082% of V, 0.06% of Co, 0.05% of Mn, 0.035% of Ni, 0.02% of Bi and the balance of Ti, smelting the titanium alloy consumable electrode by using a vacuum consumable electrode furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 520 ℃, and keeping the temperature for 3-5 hours; then heating to 610 ℃, and preserving heat for 1-3 hours; cooling to 120 ℃ and 150 ℃ along with the furnace, and air-cooling to room temperature
B) After heat treatment, the casting blank is firstly subjected to cogging forging at the temperature of 1180-; then carrying out second-stage forging: the open forging temperature is 1050 ℃ minus 1070 ℃, the finish forging temperature is 970 ℃ minus 980 ℃, and the deformation amount is 50-60%; repeating for 3-5 times; then, carrying out the third-stage forging, wherein the opening forging temperature is 940-;
C) rolling the forged blank at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 865 ℃, the elongation coefficient of a single-pass rolled piece is 1.2-1.25, and the rolling speed is 0.4-1 m/s; the high-temperature rolling finishing temperature is 770 ℃, the rolling is carried out for 5-7 times, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature is 755 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680 ℃, the rolling is carried out for 3 to 6 times,
D) cutting the rolled bar into required length, then performing slotting processing,
E) heating the grooved bar stock to 870 ℃, then placing the bar stock in a forming punch for bending and punch forming, keeping the bar stock at 815 ℃ for 50-80 seconds, then cooling to 540 ℃ at a cooling rate of 20-30 ℃/second under a pressure-preserving state, keeping the temperature for 3-5 minutes, then continuing to keep the pressure, cooling to 200-260 ℃ at a cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping part in a heat treatment furnace for reheating to 750 ℃, keeping the temperature for 2-4 hours,
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 65 parts of fluorosilicone resin, 16 parts of polyalkylaryl organic silicon resin, 10 parts of titanium dioxide, 6 parts of linoleic acid, 5 parts of hydroxyethyl cellulose, 1 part of polyvinyl alcohol, 1 part of zinc chromate, 1 part of lauric acid diethanolamide and 80 parts of solvent, thus obtaining the final C-shaped arm frame rib.
Example 4
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: 7% of Zn, 0.75% of Nb, 0.52% of Si, 0.25% of Ag, 0.1% of Sn0, 0.08% of V, 0.07% of Co, 0.04% of Mn, 0.035% of Ni, 0.025% of Bi and the balance of Ti, and smelting the titanium alloy consumable electrode by using a vacuum consumable electrode furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 550 ℃, and keeping the temperature for 3-5 hours; then heating to 640 ℃, and preserving heat for 1-3 hours; cooling to 120 ℃ and 150 ℃ along with the furnace, and air-cooling to room temperature
B) After heat treatment, the casting blank is firstly subjected to cogging forging at the cogging temperature of 1185 ℃, the finish forging temperature of 1100 ℃ and the deformation of 30-35%; then carrying out second-stage forging: the open forging temperature is 1070 ℃, the finish forging temperature is 975 ℃, and the deformation is 50-60%; repeating for 3-5 times; then, forging in the third stage, wherein the forging temperature is 955 ℃, the finish forging temperature is 850 ℃, and the deformation amount is 40-45%, and repeating for 2-3 times;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, the rolling is carried out for 3-6 times,
D) cutting the rolled bar into required length, then performing slotting processing,
E) heating the grooved bar stock to 880 ℃, placing the bar stock in a forming punch for bending and stamping forming, keeping the bar stock at 815 ℃ for 50-80 seconds, then cooling to 530 ℃ at a cooling rate of 20-30 ℃/second under a pressure-keeping state, keeping the temperature for 3-5 minutes, then continuing to keep the pressure, cooling to 210 ℃ at a cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping part in a heat treatment furnace for reheating to 720 ℃, keeping the temperature for 2-4 hours,
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 70 parts of fluorine-silicon resin, 18 parts of polyalkylaryl organic silicon resin, 14 parts of titanium dioxide, 3 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 3 parts of polyvinyl alcohol, 1 part of zinc chromate, 1 part of lauric acid diethanolamide and 110 parts of solvent, thus obtaining the final C-shaped arm frame rib.
Example 5
A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: zn 9%, Nb 0.9%, Si 0.56%, Ag 0.45%, Sn0.15%, V0.082%, Co 0.07%, Mn 0.05%, Ni 0.04%, Bi 0.03%, and the balance Ti, and smelting the titanium alloy consumable electrode by using a vacuum consumable electrode arc furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 545 ℃ and keeping the temperature for 3-5 hours; then heating to 640 ℃, and preserving heat for 1-3 hours; cooling to 120 ℃ and 150 ℃ along with the furnace, and air-cooling to room temperature
B) After heat treatment, the casting blank is firstly subjected to cogging forging at the cogging temperature of 1200 ℃, the finish forging temperature of 1105 ℃ and the deformation of 30-35%; then carrying out second-stage forging: the open forging temperature is 1060 ℃, the finish forging temperature is 970 ℃, and the deformation is 50-60%; repeating for 3-5 times; then, forging in the third stage, wherein the forging temperature is 960 ℃, the finish forging temperature is 855 ℃, and the deformation amount is 40-45 percent, and the forging is repeated for 2-3 times;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, the rolling is carried out for 3-6 times,
D) cutting the rolled bar into required length, then performing slotting processing,
E) heating the grooved bar stock to 870 ℃, then placing the bar stock in a forming punch to bend and punch, keeping the bar stock at the temperature of 810 ℃ for 50-80 seconds, then cooling to 530 ℃ at the cooling rate of 20-30 ℃/second under the pressure-keeping state, keeping the temperature for 3-5 minutes, then continuing keeping the pressure, cooling to 260 ℃ at the cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to the room temperature, then placing the obtained stamping piece into a heat treatment furnace to heat again to 730 ℃, keeping the temperature for 2-4 hours,
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 75 parts of fluorosilicone resin, 15 parts of polyalkylaryl organic silicon resin, 12 parts of titanium dioxide, 6 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 3 parts of polyvinyl alcohol, 2 parts of zinc chromate, 2 parts of lauric acid diethanolamide and 100 parts of solvent, thus obtaining the final C-shaped arm frame rib.
Claims (5)
1. A C-shaped arm of an orthopedic medical instrument comprises a C-shaped arm rack for bearing, wherein the C-shaped arm rack is provided with a rack rib beam with a C-shaped structure, a plurality of wiring grooves are formed in the rack rib beam, isolation stop blocks are arranged among the wiring grooves, insulating paint is coated on the inner surfaces of the wiring grooves, an anti-interference plastic protective sleeve body is sleeved outside the rack rib beam, the rack rib beam is manufactured by titanium alloy through punch forming,
the frame reinforcing beam comprises the following steps:
A) the titanium alloy comprises the following elements in percentage by weight: 8-9% of Zn, 0.8-0.9% of Nb, 0.5-0.6% of Si, 0.4-0.5% of Ag, 0.1-0.2% of Sn, 0.08-0.09% of V, 0.07-0.08% of Co, 0.05-0.06% of Mn, 0.03-0.04% of Ni, 0.02-0.03% of Bi and the balance of Ti, smelting the titanium alloy consumable electrode by using a vacuum consumable electrode arc furnace, and casting to obtain a casting blank consisting of the titanium alloy elements; heating the casting blank to 520-550 ℃, and keeping the temperature for 3-5 hours; then heating to 600-640 ℃, and preserving the heat for 1-3 hours; cooling to 120-150 ℃ along with the furnace, and air-cooling to room temperature;
B) after heat treatment, the casting blank is firstly subjected to cogging forging at the temperature of 1180-; then carrying out second-stage forging: the forging temperature is 1050-; then, carrying out the third-stage forging, wherein the opening forging temperature is 940-;
C) the forged blank is rolled at high temperature by using a bar mill, wherein the high-temperature rolling starting temperature is 850-; the high-temperature rolling finishing temperature 770-790 ℃, the rolling for 5-7 passes, then the low-temperature rolling is carried out, the low-temperature rolling starting temperature 750-760 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680-690 ℃, and the rolling is carried out for 3-6 times;
D) cutting the rolled bar into required lengths, and then carrying out slotting processing;
E) heating the grooved bar to 840-880 ℃, then placing the bar in a forming punch for bending and stamping forming, keeping the bar at the temperature of 810-820 ℃ for 50-80 seconds, then cooling to 520-550 ℃ at the cooling rate of 20-30 ℃/second in the pressure-keeping state, keeping the temperature for 3-5 minutes, then continuing maintaining the pressure, cooling to 200-260 ℃ at the cooling rate of 40-50 ℃/second, keeping the temperature for 10-12 minutes, air-cooling to room temperature, then placing the obtained stamping piece in a heat treatment furnace for reheating to 710-760 ℃, and keeping the temperature for 2-4 hours;
F) coating insulating paint on the inner surfaces of a plurality of wiring grooves in a C-shaped arm rack, wherein the insulating paint comprises the following raw materials in parts by weight: 60-80 parts of fluorosilicone resin, 10-20 parts of polyalkylaryl organic silicon resin, 10-20 parts of titanium dioxide, 3-6 parts of linoleic acid, 2-5 parts of hydroxyethyl cellulose, 1-3 parts of polyvinyl alcohol, 1-3 parts of zinc chromate, 1-2 parts of lauric acid diethanolamide and 60-120 parts of solvent, so as to obtain the final C-shaped arm frame rib beam.
2. The orthopaedic medical instrument C-arm as set forth in claim 1, wherein the high-temperature rolling start temperature is 860 ℃, the elongation coefficient of the single-pass rolled piece is 1.2-1.25, and the rolling speed is 0.4-1 m/s; the finishing temperature of high-temperature rolling is 780 ℃, and the rolling is carried out for 5-7 times.
3. The orthopaedic medical instrument C-arm as set forth in claim 1, wherein the low-temperature rolling start temperature is 750 ℃, the elongation coefficient of the single-pass rolled piece is 1.15-1.2, and the rolling speed is 1.2-1.5 m/s; the final rolling temperature of the low-temperature rolling is 680 ℃, and the rolling is carried out for 3-6 times.
4. The C-shaped arm of an orthopedic medical apparatus of claim 1, wherein the insulating coating comprises the following raw materials in parts by weight: 80 parts of fluorine-silicon resin, 15 parts of polyalkylaryl organic silicon resin, 12 parts of titanium dioxide, 4 parts of linoleic acid, 3 parts of hydroxyethyl cellulose, 3 parts of polyvinyl alcohol, 2 parts of zinc chromate, 1 part of lauric acid diethanolamide and 100 parts of solvent.
5. The orthopedic medical device C-arm as claimed in claim 1, wherein the grooved bar stock is heated to 840-880 ℃.
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| CN201810091690.4A CN108247301B (en) | 2018-01-30 | 2018-01-30 | C-shaped arm of orthopedic medical instrument |
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| CN201810091690.4A CN108247301B (en) | 2018-01-30 | 2018-01-30 | C-shaped arm of orthopedic medical instrument |
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| CN108247301B true CN108247301B (en) | 2020-08-28 |
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| CN2587369Y (en) * | 2002-08-15 | 2003-11-26 | 刘道平 | Electromagnetic operation navigation apparatus based on C type X-ray unit |
| CN102964891A (en) * | 2012-12-24 | 2013-03-13 | 青岛宣威涂层材料有限公司 | Insulating paint composition |
| CN104152744A (en) * | 2014-07-08 | 2014-11-19 | 宁夏东方钽业股份有限公司 | Low-cost medium-high-strength corrosion-resistant titanium alloy and processing method thereof |
| CN105063420B (en) * | 2015-08-06 | 2017-03-08 | 惠安立科贸易有限公司 | A kind of preparation method of the medical titanium alloy bar of strong antibacterial |
| CN205544037U (en) * | 2016-02-02 | 2016-08-31 | 四川世纪晶诚机电工程有限公司 | Wiring groove |
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Effective date of registration: 20200723 Address after: Department of spine surgery, Affiliated Hospital of Binzhou Medical College, Bincheng District, Binzhou City, Shandong Province Applicant after: Xing Jianqiang Address before: 257532 Yongxing Road, Kenli District, Dongying, Shandong Province, No. 26 Applicant before: Zhang Yunhua |
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