CN110524025B - Deep hole drilling clamp for small-sized orthopaedics hollow screw - Google Patents
Deep hole drilling clamp for small-sized orthopaedics hollow screw Download PDFInfo
- Publication number
- CN110524025B CN110524025B CN201910905418.XA CN201910905418A CN110524025B CN 110524025 B CN110524025 B CN 110524025B CN 201910905418 A CN201910905418 A CN 201910905418A CN 110524025 B CN110524025 B CN 110524025B
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- cylinder
- lining
- deep hole
- groove
- sleeve mounting
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- 238000005553 drilling Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 16
- 230000002457 bidirectional effect Effects 0.000 claims description 15
- 238000000889 atomisation Methods 0.000 claims description 9
- 238000003825 pressing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 244000309464 bull Species 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000399 orthopedic effect Effects 0.000 claims description 3
- 230000006835 compression Effects 0.000 description 13
- 238000007906 compression Methods 0.000 description 13
- 238000009434 installation Methods 0.000 description 6
- 239000007921 spray Substances 0.000 description 5
- 239000003595 mist Substances 0.000 description 4
- 238000005457 optimization Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a deep hole drilling fixture for a small-sized orthopaedics hollow screw, which comprises a fixed base, wherein the top of the fixed base is fixedly connected with a driving motor, one side of the driving motor is provided with a sleeve mounting cylinder, a lining lengthening cylinder is arranged in the sleeve mounting cylinder, a deep hole drill bit is arranged in the lining lengthening cylinder, one end of the lining lengthening cylinder is fixedly connected with a three-jaw chuck, the other end of the lining lengthening cylinder is fixedly connected with a clamping block, the outer side of the lining lengthening cylinder is provided with a clamping groove, the inside of the lining lengthening cylinder is provided with a limiting component, one end of the sleeve mounting cylinder, which is close to the driving motor, is provided with a four-jaw chuck, the top end of the sleeve mounting cylinder is provided with a first sliding groove, and a deflector rod component is connected in a sliding way in the first sliding groove.
Description
Technical Field
The invention belongs to the technical field of deep hole drilling clamps, and particularly relates to a deep hole drilling clamp for a small-sized orthopaedics hollow screw.
Background
The hollow screw is a medical fixing instrument suitable for fracture internal fixation during bone surgery, and deep hole drilling is needed to be carried out on the hollow screw in the processing process of the hollow screw.
Chinese patent CN 205342591U discloses a deep hole drill jig for small-sized orthopedic hollow screws, comprising a three-jaw chuck, a fine grinding extension bar, a drill chuck, orthopedic hollow screws, a gun drill, a hydraulic three-jaw positioning frame, an oil discharging pin slot, a drill guide sleeve and a machine tool tailstock; one end of the fine grinding extension rod is arranged on a three-jaw chuck of the machine tool; the drill chuck is arranged at the other end of the fine grinding extension bar; the orthopaedics hollow screw is arranged on the drill clamp; the hydraulic three-jaw locating frame is arranged in the middle of the orthopaedics hollow screw and rotates with the orthopaedics hollow screw; the gun drill tail is arranged on a machine tool tailstock, and a gun drill bit is arranged in a drill bit guide sleeve; the oil discharge pin slot is arranged between the orthopaedics hollow screw and the gun drill bit. The fixture adopts the accurate grinding extension bar for clamping, the hydraulic three-jaw locating frame is used for locating the hollow screw, and the machining locating precision is high; in addition, the drill chuck adopts the principle of three-jaw fixation, and can be suitable for workpieces with multiple hollow apertures; the self-centering of the drill chuck can ensure that the workpiece and the center of the spindle are on the same axis, and one end Kong Pianxie cannot be caused.
However, the deep hole drill clamp provided in the above technical scheme still has more defects in practical application, such as various drill bit length and diameter specifications, inconvenient installation and adjustment, inconvenient installation and fixation when the drill bit length is too short or the diameter is too thin, poor clamping stability when the length is too long or the diameter is too small, easy occurrence of offset swing phenomenon, reduced service life of the drill bit, and difficult guarantee of drilling quality.
Disclosure of Invention
The invention aims to provide a deep hole drilling clamp for a small-sized orthopaedics hollow screw, which aims to solve the technical problems that the existing clamp is inconvenient in installation and adjustment of a drill bit, poor in clamping stability, easy to generate an offset and swing phenomenon, short in service life of the drill bit and difficult to guarantee drilling quality.
In order to achieve the above purpose, the invention is realized by adopting the following technical scheme:
the deep hole drilling fixture for the small-sized orthopaedics hollow screw comprises a fixed base, wherein a driving motor is fixedly connected to the top of the fixed base, an outer sleeve mounting cylinder is arranged on one side of the driving motor, an inner lining lengthening cylinder is arranged in the outer sleeve mounting cylinder, a deep hole drill bit is arranged in the inner lining lengthening cylinder, one end of the inner lining lengthening cylinder is fixedly connected with a three-jaw chuck, the other end of the inner lining lengthening cylinder is fixedly connected with a clamping block, a clamping groove is formed in the outer side of the inner lining lengthening cylinder, a limiting assembly is arranged in the inner lining lengthening cylinder, a four-jaw chuck is arranged at one end, close to the driving motor, of the outer sleeve mounting cylinder, a first sliding groove is formed in the top end of the outer sleeve mounting cylinder, and a deflector rod assembly is connected in a sliding manner in the first sliding groove;
The limiting assembly comprises two symmetrically distributed anchor clamps, limiting blocks are fixedly connected to two sides of each anchor clamp, limiting grooves are formed in two sides of the inside of the lining lengthening cylinder, four limiting blocks are arranged in the limiting grooves, two vertically distributed bidirectional screws are arranged in the limiting grooves, a first gear is arranged in the middle of each bidirectional screw, symmetrically distributed rotating rods are arranged on two sides of the lining lengthening cylinder, each rotating rod penetrates through the limiting groove, a second gear is arranged at one end, close to the limiting groove, of each rotating rod, the first gear is meshed with the corresponding second gear, each bidirectional screw penetrates through the corresponding limiting block, each bidirectional screw is in threaded connection with the corresponding limiting block through hole, and a first spring is fixedly connected to one end of the inside of the lining lengthening cylinder;
the two sides of the bidirectional screw rod are respectively provided with a sliding rod, the sliding rods penetrate through the limiting blocks, the outer sides of the sliding rods are sleeved with second springs, and the second springs are arranged between the two limiting blocks;
The inside guide roller that still is equipped with of overcoat installation section of thick bamboo, the guide roller outside is equipped with the ring channel, ring channel and inside lining extension section of thick bamboo surface phase-match, guide roller and overcoat installation section of thick bamboo rotate and are connected.
As the preferable mode of the invention, the deflector rod assembly comprises an adjusting rod, the adjusting rod is matched with the first sliding groove, a cavity is formed in the adjusting rod, a third spring is arranged in the cavity, a telescopic pressing rod penetrates through the bottom of the cavity, a bolt penetrates through the top of the cavity, the telescopic pressing rod is in sliding connection with the penetrating hole of the adjusting rod, the bolt is in threaded connection with the penetrating hole of the adjusting rod, two ends of the third spring are fixedly connected with the telescopic pressing rod and the bolt respectively, and the bottom end of the telescopic pressing rod is matched with the clamping groove.
As the optimization of the invention, the inside of the lining lengthening cylinder is provided with the corrugated soft ferrule, the outer side of the deep hole drill bit is sleeved with the sealing ring, the corrugated soft ferrule is matched with the sealing ring, and the corrugated soft ferrule and the sealing ring are both made of rubber materials.
As the preferable mode of the invention, the clamping grooves are distributed annularly around the lining lengthening cylinder, and two oil leakage holes which are symmetrically distributed are arranged at the bottom of the clamping groove.
As the preferable mode of the invention, one side of the top of the outer sleeve mounting cylinder is provided with an atomization nozzle, the input end of the atomization nozzle is provided with an oil delivery pump, the output end of the atomization nozzle is matched with the clamping groove, and the bottom of one side of the outer sleeve mounting cylinder is provided with an oil drain hole.
As the optimization of the invention, the bidirectional screw rod and the sliding rod are distributed in parallel, a first groove is formed in the inside of the lining lengthening cylinder, and the anchor ear is arranged in the first groove.
Preferably, the number of the guide rollers is two, the two guide rollers are symmetrically distributed on two sides of the lining lengthening cylinder, and a rubber layer is arranged on the outer side of the guide rollers.
As the optimization of the invention, one end of the rotating rod, which is far away from the second gear, is provided with a hexagonal bayonet, a second groove is arranged in the limiting groove, the second gear is arranged in the second groove, and a bearing is arranged at the joint of the rotating rod and the lining lengthening cylinder.
As the optimization of the invention, the clamping opening of the four-jaw chuck is matched with the clamping block, the joint of the four-jaw chuck and the outer sleeve mounting cylinder is provided with a bearing, and the joint of the outer sleeve mounting cylinder and the inner lining lengthening cylinder is provided with a bearing.
Preferably, the outer sleeve mounting cylinder and the fixed base are integrally arranged, and the output shaft of the driving motor is in transmission connection with the four-jaw chuck.
The invention has the technical effects and advantages that:
1. According to the invention, the deep hole drill bit is inserted into the lining lengthening cylinder, the first gear is rotated by the rotary rod and meshed with the second gear, so that the two anchor clamps can hold the middle part of the deep hole drill bit, the deep hole drill bit is primarily fixed, the deep hole drill bit is stably positioned at the axis of the lining lengthening cylinder, the three-jaw chuck is adjusted to clamp and fix the deep hole drill bit, the exposed length of the drill bit is conveniently adjusted, the tail end of the lining lengthening cylinder is inserted into the outer sleeve mounting cylinder, the lining lengthening cylinder is matched with the inner part of the outer sleeve mounting cylinder, the four-jaw chuck is adjusted to clamp and fix the clamping block, the deep hole drill bit and the output shaft of the driving motor are coaxially arranged, the swing is avoided, the working stability is high, the abrasion of the drill bit is reduced, and the drilling quality is facilitated to be improved.
2. According to the invention, the positions of the bolts in the deflector rod assembly are adjusted, the telescopic compression rod is attached to the surface of the lining extension cylinder under the elastic pressure of the third spring, when the bottom end of the telescopic compression rod is buckled with the clamping groove, the telescopic compression rod slides in the first sliding groove to pull the lining extension cylinder to move, the two guide rollers enable the lining extension cylinder to be stably conveyed until the clamping block is matched and clamped with the four-jaw chuck, the positions of the bolts in the deflector rod assembly are adjusted after the lining extension cylinder is fixed, the third spring elastically contracts to stretch the telescopic compression rod, the telescopic compression rod is separated from the lining extension cylinder, a deep hole drill bit is not required to be pushed by a hand, the operation safety is improved, and potential safety hazards in the installation process are avoided.
3. According to the invention, the sealing ring is sleeved outside the deep hole drill bit, the sealing ring is in matched connection with the corrugated soft ferrule after the deep hole drill bit is inserted, the effect of sealing and blocking oil is achieved, the oil pump pumps cooling oil to spray atomized oil mist from the atomizing nozzle after pressurizing, friction is reduced, the service life of the device is prolonged, meanwhile, the atomized oil mist enters the lining extension cylinder from the oil leakage hole to effectively cool the deep hole drill bit, the service life of the deep hole drill bit is prolonged, cooled oil liquid flows out of the lining extension cylinder and is discharged through the oil discharge hole, and the cooled oil liquid is collected and recycled.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a top cross-sectional view of the jacket-mounting cartridge of the present invention.
Fig. 3 is a top cross-sectional view of a liner extension of the present invention.
Fig. 4 is a top view of the liner extension of the present invention.
Fig. 5 is a left side view of the liner extension sleeve of the present invention.
Fig. 6 is a schematic structural view of a limiting assembly according to the present invention.
FIG. 7 is a schematic diagram of a lever assembly according to the present invention.
FIG. 8 is a cross-sectional view of a lever assembly of the present invention.
Fig. 9 is an enlarged view of the portion a of fig. 3 according to the present invention.
Fig. 10 is an enlarged view of the B part structure of fig. 5 according to the present invention.
The reference numerals are: 1 fixed base, 2 driving motor, 3 overcoat installation section of thick bamboo, 4 inside lining extension section of thick bamboo, 5 deep hole drill bit, 6 three-jaw chuck, 7 joint piece, 8 draw-in groove, 9 spacing subassembly, 91 staple bolt, 92 stopper, 93 spacing groove, 94 bi-directional screw, 95 first gear, 96 second gear, 97 first spring, 98 slide bar, 99 second spring, 100 bull stick, 10 four-jaw chuck, 11 first spout, 12 driving lever subassembly, 121 regulation pole, 122 third spring, 123 flexible depression bar, 124 bolt, 13 guide roller, 14 ripple soft lasso, 15 sealing washer, 16 oil leakage hole, 17 atomizer, 18 oil drain hole, 19 hexagonal bayonet socket.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 10, the deep hole drilling fixture for the small-sized orthopaedics hollow screw provided by the invention comprises a fixed base 1, wherein a driving motor 2 is fixedly connected to the top of the fixed base 1, one side of the driving motor 2 is provided with a sleeve mounting cylinder 3, an inner lining lengthening cylinder 4 is arranged in the sleeve mounting cylinder 3, a deep hole drill bit 5 is arranged in the inner lining lengthening cylinder 4, one end of the inner lining lengthening cylinder 4 is fixedly connected with a three-jaw chuck 6, the other end of the inner lining lengthening cylinder 4 is fixedly connected with a clamping block 7, a clamping groove 8 is formed in the outer side of the inner lining lengthening cylinder 4, a first groove is formed in the inner side of the inner lining lengthening cylinder 4, a limiting component 9 is arranged in the first groove, one end, close to the driving motor 2, of the sleeve mounting cylinder 3 is provided with a four-jaw chuck 10, the top end of the sleeve mounting cylinder 3 is provided with a first sliding groove 11, and a deflector rod component 12 is connected in a sliding manner.
The limiting assembly 9 comprises two anchor clamps 91 which are symmetrically distributed, the anchor clamps 91 are arranged in the first groove, limiting blocks 92 are fixedly connected to two sides of the anchor clamps 91, limiting grooves 93 are formed in two sides of the inside of the lining lengthening cylinder 4, and four limiting blocks 92 are arranged in the limiting grooves 93; the inside of the limiting groove 93 is provided with a vertically distributed bidirectional screw 94, the middle part of the bidirectional screw 94 is provided with a first gear 95, two sides of the lining extension cylinder 4 are provided with symmetrically distributed rotating rods 100, the rotating rods 100 penetrate through the limiting groove 93, one end, close to the limiting groove 93, of each rotating rod 100 is provided with a second gear 96, the first gear 95 is meshed with the second gear 96, the bidirectional screw 94 penetrates through the limiting block 92, the bidirectional screw 94 is in threaded connection with a penetrating hole of the limiting block 92, and one end, close to the limiting groove 93, of each lining extension cylinder 4 is fixedly connected with a first spring 97;
The two sides of the bidirectional screw 94 are respectively provided with a slide rod 98, the bidirectional screw 94 and the slide rods 98 are distributed in parallel, the slide rods 98 penetrate through the limiting blocks 92, the outer sides of the slide rods 98 are sleeved with second springs 99, and the second springs 99 are arranged between the two limiting blocks 92;
The inside of the outer sleeve mounting cylinder 3 is also provided with a guide roller 13, the outer side of the guide roller 13 is provided with an annular groove, the annular groove is matched with the outer surface of the inner liner lengthening cylinder 4, and the guide roller 13 is rotationally connected with the outer sleeve mounting cylinder 3;
The end, far away from the second gear 96, of the rotating rod 100 is provided with a hexagonal bayonet 19, a second groove is formed in the limiting groove 93, the second gear 96 is arranged in the second groove, and a bearing is arranged at the joint of the rotating rod 100 and the lining extension cylinder 4;
The cross section of the clamping block 7 is square, the clamping opening of the four-jaw chuck 10 is matched with the clamping block 7, a bearing is arranged at the joint of the four-jaw chuck 10 and the outer sleeve mounting cylinder 3, and a bearing is arranged at the joint of the outer sleeve mounting cylinder 3 and the inner lining lengthening cylinder 4;
The outer sleeve mounting cylinder 3 is integrally arranged with the fixed base 1, and an output shaft of the driving motor 2 is in transmission connection with the four-jaw chuck 10;
Before the deep hole drill bit 5 is installed, firstly, the measurement is carried out, the reserved length is determined according to the length and the diameter of the deep hole drill bit 5, then the tail end of the deep hole drill bit 5 is inserted into the lining lengthening cylinder 4, the tail end of the deep hole drill bit 5 contacts and compresses the first spring 97, the insertion depth of the deep hole drill bit 5 is adjusted, after the position is determined, two hexagonal bayonets 19 are simultaneously inserted by using a hexagonal wrench, the first gear 95 is rotated and meshed with the second gear 96 by rotating the rotating rod 100, the two bidirectional screws 94 are rotated relatively, the limiting block 92 slides in the limiting groove 93 under the cooperation of the sliding rod 98 and the second spring 99, the two anchor hoops 91 can hold the middle part of the deep hole drill bit 5 tightly, the deep hole drill bit 5 is initially fixed, the deep hole drill bit 5 is stably positioned at the axis of the lining lengthened cylinder 4, the three-jaw chuck 6 is adjusted to clamp and fix the deep hole drill bit 5 after positioning is completed, the exposed length of the drill bit is favorably adjusted, the tail end of the lining lengthened cylinder 4 is inserted into the outer sleeve mounting cylinder 3, the lining lengthened cylinder 4 is matched with the inner part of the outer sleeve mounting cylinder 3, the four-jaw chuck 10 is adjusted to clamp and fix the clamping block 7 after positioning through the clamping block 7 and the four-jaw chuck 10, the integral mounting process of the deep hole drill bit 5 is realized, the deep hole drill bit 5 and the driving motor 2 are coaxially arranged, the connection is stable, the swing phenomenon is avoided, the working stability is high, the abrasion of the drill bit is reduced, and the drilling quality is favorably improved.
Referring to fig. 1,2, 7 and 8, the lever assembly 12 includes an adjusting rod 121, the adjusting rod 121 is matched with the first chute 11, a cavity is provided in the adjusting rod 121, a third spring 122 is provided in the cavity, a telescopic compression rod 123 is penetrated through the bottom of the cavity, a bolt 124 is penetrated through the top of the cavity, the telescopic compression rod 123 is slidably connected with a penetrating hole of the adjusting rod 121, the bolt 124 is in threaded connection with the penetrating hole of the adjusting rod 121, two ends of the third spring 122 are fixedly connected with the telescopic compression rod 123 and the bolt 124 respectively, and the bottom end of the telescopic compression rod 123 is matched with the clamping groove 8;
the number of the guide rollers 13 is two, the two guide rollers 13 are symmetrically distributed at two sides of the lining lengthening cylinder 4, and a rubber layer is arranged at the outer side of the guide rollers 13;
In the process of installing the lining lengthening cylinder 4 and the outer sleeve installing cylinder 3, after the lining lengthening cylinder 4 is inserted into the outer sleeve installing cylinder 3, the position of a bolt 124 in the deflector rod assembly 12 is adjusted, a telescopic compression rod 123 is attached to the surface of the lining lengthening cylinder 4 under the elastic pressure of a third spring 122, when the bottom end of the telescopic compression rod 123 is buckled with a clamping groove 8, a sliding adjusting rod 121 slides in a first sliding groove 11 to pull the lining lengthening cylinder 4 to move, two guide rollers 13 enable the lining lengthening cylinder 4 to stably transmit until a clamping block 7 is matched and clamped with a four-jaw chuck 10, after the lining lengthening cylinder 4 is fixed, the position of the bolt 124 in the deflector rod assembly 12 is adjusted, the third spring 122 elastically contracts to stretch a compression rod 123 upwards, the telescopic compression rod 123 is separated from the lining lengthening cylinder 4, a person does not need to push a deep hole drill bit 5, the safety of operation is improved, and potential safety hazards in the installation process are facilitated.
Referring to fig. 1,3, 6 and 9, a corrugated soft ferrule 14 is arranged in the inside of the lining extension tube 4, a sealing ring 15 is sleeved outside the deep hole drill bit 5, the corrugated soft ferrule 14 is matched with the sealing ring 15, and the corrugated soft ferrule 14 and the sealing ring 15 are both made of rubber materials;
the cross section of the clamping groove 8 is in a wing shape of an airplane tail, the clamping groove 8 is distributed annularly around the lining lengthening cylinder 4, and two oil leakage holes 16 which are symmetrically distributed are formed in the bottom of the clamping groove 8;
An atomization spray head 17 is arranged on one side of the top of the outer sleeve mounting cylinder 3, an oil delivery pump is arranged at the input end of the atomization spray head 17, the output end of the atomization spray head 17 is matched with the clamping groove 8, and an oil drain hole 18 is arranged at the bottom of one side of the outer sleeve mounting cylinder 3;
Before the deep hole drill bit 5 is installed, the sealing ring 15 is sleeved on the outer side of the deep hole drill bit 5, the sealing ring 15 is connected with the corrugated soft ferrule 14 in a matched mode after the deep hole drill bit 5 is inserted, the effect of sealing oil blocking is achieved, the oil pump pumps cooling oil to spray atomized oil mist from the atomizing nozzle 17 after pressurizing, friction is reduced, the service life of the device is prolonged, meanwhile, the atomized oil mist enters the lining extension cylinder 4 from the oil leakage hole 16 to effectively cool the deep hole drill bit 5, the service life of the deep hole drill bit 5 is prolonged, cooled oil flows out of the lining extension cylinder 4 and is discharged through the oil discharge hole 18, and the cooled oil is collected and recycled.
Claims (8)
1. A deep hole bores anchor clamps for small-size orthopedics hollow screw, includes fixed base (1), its characterized in that: the novel lining lengthened drill bit comprises a fixed base (1), wherein a driving motor (2) is fixedly connected to the top of the fixed base, an outer sleeve mounting cylinder (3) is arranged on one side of the driving motor (2), an inner lining lengthened cylinder (4) is arranged inside the outer sleeve mounting cylinder (3), a deep hole drill bit (5) is arranged inside the inner lining lengthened cylinder (4), a three-jaw chuck (6) is fixedly connected to one end of the inner lining lengthened cylinder (4), a clamping block (7) is fixedly connected to the other end of the inner lining lengthened cylinder (4), a clamping groove (8) is formed in the outer side of the inner lining lengthened cylinder (4), a limiting component (9) is arranged inside the inner lining lengthened cylinder (4), a four-jaw chuck (10) is arranged at one end, close to the driving motor (2), of the outer sleeve mounting cylinder (3) is provided with a first sliding groove (11), and a deflector rod component (12) is connected in a sliding mode.
Limiting component (9) are including two staple bolts (91) of symmetric distribution, staple bolt (91) both sides all fixedly connected with stopper (92), inside both sides of inside extension tube (4) all are equipped with spacing groove (93), four stopper (92) all set up inside spacing groove (93), inside vertical distribution at bi-directional screw (94) that are equipped with of spacing groove (93), bi-directional screw (94) middle part is equipped with first gear (95), inside extension tube (4) both sides all are equipped with bull stick (100) of symmetric distribution, bull stick (100) run through spacing groove (93), and the one end that bull stick (100) is close to spacing groove (93) is equipped with second gear (96), first gear (95) are connected with second gear (96) meshing, bi-directional screw (94) run through stopper (92), and bi-directional screw (94) and stopper (92) through hole threaded connection, inside one end fixedly connected with first spring (97) of inside extension tube (4);
the two sides of the bidirectional screw rod (94) are respectively provided with a sliding rod (98), the sliding rods (98) penetrate through the limiting blocks (92), the outer sides of the sliding rods (98) are sleeved with second springs (99), and the second springs (99) are arranged between the two limiting blocks (92);
The inside of the outer sleeve mounting cylinder (3) is also provided with a guide roller (13), the outer side of the guide roller (13) is provided with an annular groove, the annular groove is matched with the outer surface of the inner liner lengthening cylinder (4), and the guide roller (13) is rotationally connected with the outer sleeve mounting cylinder (3);
the clamping grooves (8) are annularly distributed around the lining lengthening cylinder (4), and two oil leakage holes (16) which are symmetrically distributed are formed in the bottom of the clamping grooves (8);
the bidirectional screw rods (94) and the sliding rods (98) are distributed in parallel, a first groove is formed in the inner lining lengthening cylinder (4), and the anchor ear (91) is arranged in the first groove.
2. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the driving lever assembly (12) comprises an adjusting lever (121), the adjusting lever (121) is matched with the first sliding groove (11), a cavity is formed in the adjusting lever (121), a third spring (122) is arranged in the cavity, a telescopic pressing rod (123) penetrates through the bottom of the cavity, a bolt (124) penetrates through the top of the cavity, the telescopic pressing rod (123) is in sliding connection with a penetrating hole of the adjusting lever (121), the bolt (124) is in threaded connection with the penetrating hole of the adjusting lever (121), two ends of the third spring (122) are fixedly connected with the telescopic pressing rod (123) and the bolt (124) respectively, and the bottom end of the telescopic pressing rod (123) is matched with the clamping groove (8).
3. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the inside ripple soft lasso (14) that is equipped with of inside lining extension section of thick bamboo (4), deep hole drill bit (5) outside cover is equipped with sealing washer (15), ripple soft lasso (14) and sealing washer (15) assorted, ripple soft lasso (14) and sealing washer (15) are made by rubber material.
4. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the oil delivery device is characterized in that an atomization nozzle (17) is arranged on one side of the top of the outer sleeve mounting cylinder (3), an oil delivery pump is arranged at the input end of the atomization nozzle (17), the output end of the atomization nozzle (17) is matched with the clamping groove (8), and an oil discharge hole (18) is formed in the bottom of one side of the outer sleeve mounting cylinder (3).
5. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the number of the guide rollers (13) is two, the two guide rollers (13) are symmetrically distributed on two sides of the lining lengthening cylinder (4), and a rubber layer is arranged on the outer side of the guide rollers (13).
6. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: one end of the rotating rod (100) far away from the second gear (96) is provided with a hexagonal bayonet (19), a second groove is formed in the limiting groove (93), the second gear (96) is arranged inside the second groove, and a bearing is arranged at the joint of the rotating rod (100) and the lining lengthening cylinder (4).
7. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the four-jaw chuck (10) clamping opening is matched with the clamping block (7), a bearing is arranged at the joint of the four-jaw chuck (10) and the outer sleeve mounting cylinder (3), and a bearing is arranged at the joint of the outer sleeve mounting cylinder (3) and the inner lining lengthening cylinder (4).
8. The deep hole drilling jig for a small-sized orthopaedic cannulated screw according to claim 1, wherein: the outer sleeve mounting cylinder (3) is integrally arranged with the fixed base (1), and an output shaft of the driving motor (2) is in transmission connection with the four-jaw chuck (10).
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| CN201910905418.XA CN110524025B (en) | 2019-09-24 | 2019-09-24 | Deep hole drilling clamp for small-sized orthopaedics hollow screw |
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| CN201910905418.XA CN110524025B (en) | 2019-09-24 | 2019-09-24 | Deep hole drilling clamp for small-sized orthopaedics hollow screw |
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| CN113333821B (en) * | 2021-07-28 | 2021-10-12 | 烟台拉斐尔生物科技有限公司 | Deep hole drilling clamp for small orthopedic hollow screw |
| CN116557024B (en) * | 2023-06-27 | 2024-03-26 | 山东兖能泰德重工有限公司 | Hard rock rotary connecting rod |
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