CN116079547A - Medical grinding and retaining needle grinding wheel and manufacturing method thereof - Google Patents
Medical grinding and retaining needle grinding wheel and manufacturing method thereof Download PDFInfo
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- CN116079547A CN116079547A CN202310252895.7A CN202310252895A CN116079547A CN 116079547 A CN116079547 A CN 116079547A CN 202310252895 A CN202310252895 A CN 202310252895A CN 116079547 A CN116079547 A CN 116079547A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 8
- 238000005498 polishing Methods 0.000 claims abstract description 66
- 238000003825 pressing Methods 0.000 claims abstract description 38
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000007517 polishing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 18
- 210000004204 blood vessel Anatomy 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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- 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)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of polishing equipment, in particular to a medical grinding and retaining needle grinding wheel and a manufacturing method thereof, wherein the medical grinding and retaining needle grinding wheel comprises a base, a frame, a grinding component and a power component, the frame is fixedly arranged on two sides of the upper end of the base, a workbench is fixedly arranged at the upper end of the frame, mounting grooves for placing needles are formed in the upper end face of the workbench at equal intervals, the power component drives the grinding component to reciprocate along the length direction of the workbench so as to grind the ends of the needles, the grinding component is connected with a pressing component, a lifting roller component is arranged at the bottom of the workbench, and a limiting component is arranged on one side of the workbench. According to the invention, the lifting roller assembly is utilized, when the supporting rollers extend out of the mounting groove, the needle heads can rotate on the supporting rollers at two sides, and the polishing efficiency and the polishing uniformity can be improved by matching with the polishing process of the left-right reciprocating movement of the polishing assembly.
Description
Technical Field
The invention relates to the technical field of polishing equipment, in particular to a medical grinding and retaining needle grinding wheel and a manufacturing method thereof.
Background
Venous indwelling needles are also known as venous trocars. The core comprises a soft catheter which can be remained in a blood vessel and a stainless steel puncture guiding needle. When in use, the catheter and the needle core are punctured into the blood vessel together, and after the catheter completely enters the blood vessel, the needle core is withdrawn, and only the soft catheter is remained in the blood vessel, so that transfusion treatment is carried out.
At present, when polishing to keeping somewhere the needle syringe needle, in order to polish out the puncture inclined plane at fixed inclination at the syringe needle head end, often utilize anchor clamps to carry out the centre gripping to the syringe needle fixedly, the syringe needle can not rotate at the in-process of polishing, is unfavorable for like this improving efficiency of polishing and polishing homogeneity.
Disclosure of Invention
The invention aims to provide a medical grinding and retaining needle grinding wheel and a manufacturing method thereof, and aims to solve the technical problems.
The aim of the invention can be achieved by the following technical scheme:
medical grinding leaves needle emery wheel, including base, frame, grinding component and power pack, the fixed both sides that set up in the base upper end of frame, the fixed workstation that is provided with in frame upper end, the equidistant mounting groove that is used for placing the syringe needle that is provided with of workstation up end of polishing, power pack drives grinding component and polishes in order to polish syringe needle tip along workstation length direction reciprocating motion, grinding component is connected with compressing tightly the subassembly, the workstation bottom is provided with lifting roller assembly, workstation one side is provided with spacing subassembly.
The lifting roller assembly comprises a supporting shaft and supporting rollers, each supporting shaft is arranged on two sides of each mounting groove in a sliding mode, each supporting roller is rotatably mounted on each supporting shaft, each supporting roller is connected with each supporting plate through a connecting support, one end of each supporting plate is threaded and provided with a lifting screw in a penetrating mode, the top end of each lifting screw is in running fit with the workbench, the other end of each supporting plate is provided with a guide rod in a sliding and penetrating mode, the top ends of the guide rods are fixedly connected with the workbench, and each supporting roller is driven by the supporting plates to extend out of or retract from the corresponding mounting groove.
The limiting assembly comprises a pair of limiting brackets, the power assembly drives the limiting brackets to move forwards and backwards, a reset spring is arranged between the limiting brackets and the workbench, a top plate is arranged between the limiting brackets, each limiting bracket is rotationally connected with a swinging bracket at the top end, a torsion spring is arranged between each swinging bracket and each limiting bracket, a limiting shaft is rotationally arranged between each swinging bracket, and limiting rollers in one-to-one correspondence with the mounting grooves are arranged on the limiting shafts.
As a further scheme of the invention: the power assembly comprises a toothed plate, a mobile motor and a mounting frame, wherein two ends of the toothed plate are fixedly connected with the rack, the mounting frame is slidably mounted on the toothed plate, the mobile motor is fixedly arranged at the bottom of the mounting frame, the output end of the mobile motor is connected with a power gear, and the power gear is in toothed joint fit with a tooth slot on one side of the toothed plate.
As a further scheme of the invention: the polishing assembly comprises a polishing frame, a polishing motor and a polishing grinding wheel, wherein the bottom of the polishing frame is fixedly connected with the mounting frame through a connecting block, a sliding rod is arranged between the frames, the sliding rod penetrates through the polishing frame in a sliding mode, the polishing motor is fixedly arranged on one side of the polishing frame, and the output end of the polishing motor is connected with the polishing grinding wheel.
As a further scheme of the invention: the pressing assembly comprises a pressing plate, a pressing spring and a connecting frame, wherein the connecting frame is fixedly connected with the polishing frame, the pressing plate is arranged below the connecting frame, and the pressing plate is connected with the connecting frame through the pressing spring.
As a further scheme of the invention: the bottom of the workbench is provided with a chute matched with the supporting shaft, a yielding hole is formed in the mounting groove in a penetrating manner, and the supporting roller is arranged in the yielding hole.
As a further scheme of the invention: the limiting assembly further comprises a connecting rod, a limiting sliding sleeve and a limiting plate, the connecting rod is matched with the limiting sliding sleeve in a sliding penetrating mode, the limiting sliding sleeve is connected with the bottom of the workbench through a mounting frame, one end of the connecting rod is fixedly connected with a limiting support, the other end of the connecting rod is fixedly connected with the limiting plate, a limiting pull rod is arranged on one side of the mounting frame, and the limiting pull rod is matched with the limiting plate.
As a further scheme of the invention: the base upper end is provided with the collection subassembly, the collection subassembly includes direction slide, installing support and collection box, the equidistant slope of direction slide sets up on the installing support, just direction slide and mounting groove one-to-one, installing support and collection box fixed connection, direction slide bottom is led to the collection box inside.
The invention also provides a manufacturing method of the medical grinding indwelling needle grinding wheel, which comprises the following steps:
step one, preparing before polishing, and manually placing indwelling needle heads to be polished in all the mounting grooves of the workbench;
step two, adjusting the supporting rollers, and manually rotating the lifting screw to drive the supporting plates to lift up and down, so that each group of supporting rollers extends out or retreats from the corresponding mounting groove;
step three, compacting and positioning, wherein the power assembly drives the polishing assembly to reciprocate along the length direction of the workbench to polish the end part of the needle head, the compacting assembly compacts the corresponding needle head, and meanwhile, the limiting assembly moves forwards to enable the limiting roller to press against the needle head to limit the needle head;
and step four, collecting after polishing, wherein the polished remaining needle head is collected by a collecting assembly for standby.
The invention has the beneficial effects that:
(1) According to the needle head grinding machine, the lifting roller wheel assembly is arranged, when the needle head is required to be uniformly and efficiently ground, the lifting screw rod is rotated to lift the supporting plate, so that the supporting roller wheels extend out of the mounting groove, and the needle head can rotate on the supporting roller wheels at the two sides at the moment; when needs are polished out the inclined plane at fixed inclination at the syringe needle head end, rotate lifting screw decline backup pad for the backing roller moves back from the mounting groove, and the syringe needle will be pressed in the mounting groove and do not rotate this moment, thereby can satisfy the demand of polishing of keeping somewhere the needle syringe needle under different circumstances.
(2) According to the invention, the compressing assembly and the limiting assembly are arranged, so that the compressing assembly can synchronously move along with the polishing assembly, the front end of a corresponding needle head can be compressed and positioned, meanwhile, the power assembly can drive the limiting support to move forwards and backwards in the moving process, and the limiting roller is pressed against the tail end of the needle head under the acting force of the torsion spring due to the connection between the power assembly and the limiting support, so that the front end and the rear end of the needle head are simultaneously compressed and limited, and the situation that the needle head is not easy to compress and position due to overlong length and uneven compressing force, and even is damaged and broken in the polishing process is avoided.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the back structure of the present invention;
FIG. 3 is a schematic view of the construction of the sanding assembly of the present invention;
FIG. 4 is a schematic view of a lifting roller assembly according to the present invention;
FIG. 5 is a schematic view of the structure of the workbench in the invention;
FIG. 6 is a schematic view of a spacing assembly according to the present invention;
FIG. 7 is a schematic view of a portion of a spacing assembly of the present invention;
fig. 8 is a schematic view of the structure of the collecting assembly in the present invention.
In the figure: 1. a base; 2. a frame; 3. a work table; 31. a mounting groove; 32. a chute; 33. a relief hole; 4. a power assembly; 41. a toothed plate; 42. a moving motor; 43. a mounting frame; 44. a power gear; 5. a polishing assembly; 51. a polishing frame; 52. polishing a motor; 53. grinding the grinding wheel; 54. a connecting block; 55. a slide bar; 6. a compression assembly; 61. a pressing plate; 62. a compression spring; 63. a connecting frame; 7. lifting roller components; 71. a support shaft; 72. supporting rollers; 73. a connecting bracket; 74. a support plate; 75. lifting screw rods; 76. a guide rod; 8. a limit component; 81. a limit bracket; 82. a top plate; 83. a swing frame; 831. a limiting shaft; 832. limiting idler wheels; 84. a return spring; 85. a connecting rod; 86. a limit sliding sleeve; 87. a mounting frame; 88. a limiting plate; 89. a limit pull rod; 9. a collection assembly; 91. a guide slide cylinder; 92. a mounting bracket; 93. and a collection box.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, the invention discloses a medical grinding retention needle grinding wheel, which comprises a base 1, a frame 2, a grinding component 5 and a power component 4, wherein the frame 2 is fixedly arranged on two sides of the upper end of the base 1, a workbench 3 is fixedly arranged at the upper end of the frame 2, mounting grooves 31 for placing needles are arranged on the upper end surface of the workbench 3 at equal intervals, the power component 4 drives the grinding component 5 to reciprocate along the length direction of the workbench 3 so as to grind the ends of the needles, the grinding component 5 is connected with a pressing component 6, a lifting roller component 7 is arranged at the bottom of the workbench 3, and a limit component 8 is arranged on one side of the workbench 3.
As shown in fig. 4, the lifting roller assembly 7 comprises supporting shafts 71 and supporting rollers 72, the supporting shafts 71 are vertically slidably mounted on two sides of each mounting groove 31, the supporting rollers 72 are rotatably mounted on each supporting shaft 71, two ends of each group of supporting shafts 71 are connected with a supporting plate 74 through connecting brackets 73, one end of each supporting plate 74 is provided with a lifting screw 75 in a threaded penetrating manner, the top end of each lifting screw 75 is in rotary fit with the workbench 3, the other end of each supporting plate 74 is provided with a guide rod 76 in a sliding penetrating manner, the top end of each guide rod 76 is fixedly connected with the workbench 3, and each supporting plate 74 drives each group of supporting rollers 72 to extend out or retract from the corresponding mounting groove 31;
as shown in fig. 6 and 7, the limiting assembly 8 includes a pair of limiting brackets 81, the power assembly 4 drives the limiting brackets 81 to move back and forth, a return spring 84 is arranged between the limiting brackets 81 and the workbench 3, a top plate 82 is arranged between the limiting brackets 81, the top end of each limiting bracket 81 is rotatably connected with a swinging bracket 83, a torsion spring is arranged between the swinging bracket 83 and the limiting brackets 81, a limiting shaft 831 is rotatably installed between the two swinging brackets 83, and the limiting shaft 831 is provided with limiting rollers 832 corresponding to the mounting grooves 31 one by one.
Specifically, after placing the needle head of keeping somewhere in the mounting groove 31 of workstation 3, power pack 4 drives the subassembly 5 of polishing and carries out polishing with the syringe needle of keeping somewhere the needle along workstation 3 length direction reciprocating motion, this in-process, compress tightly subassembly 6 will follow the synchronous motion of subassembly 5 of polishing, thereby can compress tightly the location to the front end of corresponding syringe needle, and power pack 4 can drive spacing support 81 and take place the back-and-forth movement at the in-process of removing, owing to be connected through the torsional spring between with spacing support 81, under the effort of torsional spring, spacing gyro wheel 832 will press the tail end of leaning on the syringe needle, cooperation compresses tightly the both ends simultaneously about the syringe needle of subassembly 6, avoided because of the difficult location of compressing tightly of syringe needle length overlength and the uneven condition that leads to shifting even damage fracture in the process of polishing.
When the limit bracket 81 moves forwards, the limit roller 832 will be pressed against the tail end of the needle, and the top plate 82 will contact with multiple needles from the tail end at the same time, so that the needles can be aligned, and it is ensured that all the needles can be polished effectively.
It should be noted that, in order to meet the polishing requirement of the needle head of the remaining needle under different conditions, the lifting roller assembly 7 is provided, when the lifting screw 75 is rotated to enable the supporting plate 74 to move upwards, the supporting roller 72 extends out of the mounting groove 31, and at the moment, the needle head in the mounting groove 31 is arranged on the supporting roller 72 on two sides, and since the pressing and positioning effect of the pressing assembly 6 and the limiting roller 832 on the needle head is to restrict the vertical vibration and the horizontal swing of the needle head, the needle head is not restricted from rotating around the axial direction of the needle head, so that the needle head in the state can rotate on the supporting roller 72, and the polishing process of the left and right reciprocating movement of the polishing assembly 5 is matched, the polishing efficiency and the polishing uniformity can be improved. When the lifting screw 75 is rotated to enable the supporting plate 74 to move downwards, the supporting roller 72 retreats from the mounting groove 31, at the moment, the needle is pressed against the bottom of the mounting groove 31 by the pressing component 6 and the limiting roller 832, the contact area between the bottom of the needle and the mounting groove 31 is large, the needle is limited to rotate due to friction, and at the moment, the polishing process of the left-right reciprocating movement of the polishing component 5 can polish an inclined surface with a fixed inclination angle at the head end of the needle.
As shown in fig. 3, the power assembly 4 includes a toothed plate 41, a moving motor 42 and a mounting frame 43, wherein two ends of the toothed plate 41 are fixedly connected with the frame 2, a mounting frame 87 is slidably mounted on the toothed plate 41, the moving motor 42 is fixedly arranged at the bottom of the mounting frame 43, an output end of the moving motor 42 is connected with a power gear 44, and the power gear 44 is in toothed connection with a tooth slot on one side of the toothed plate 41.
Specifically, when the moving motor 42 is started, the power gear 44 is driven to rotate, and the power gear 44 is meshed with the tooth slot on one side of the toothed plate 41, so that the mounting frame 43 is driven to slide along the length direction of the toothed plate 41, and further the reciprocating linear movement process of the polishing assembly 5 is realized.
As shown in fig. 3, the polishing assembly 5 includes a polishing frame 51, a polishing motor 52 and a polishing wheel 53, the bottom of the polishing frame 51 is fixedly connected with the mounting frame 43 through a connecting block 54, a sliding rod 55 is arranged between the frames 2, the sliding rod 55 penetrates through the polishing frame 51 in a sliding manner, the polishing motor 52 is fixedly arranged on one side of the polishing frame 51, and the output end of the polishing motor 52 is connected with the polishing wheel 53.
Specifically, the polishing frame 51 is driven by the power component 4 to slide linearly along the sliding rod 55, and meanwhile, the polishing motor 52 drives the polishing grinding wheel 53 to rotate at a high speed, and the polishing inclined surface of the polishing grinding wheel 53 is aligned to the head end of the needle, so that the polishing process of the needle can be realized in the reciprocating movement process.
As shown in fig. 3, the pressing assembly 6 includes a pressing plate 61, a pressing spring 62 and a connecting frame 63, the connecting frame 63 is fixedly connected with the polishing frame 51, the pressing plate 61 is disposed below the connecting frame 63, and the pressing plate 61 is connected with the connecting frame 63 through the pressing spring 62.
Specifically, in order to realize the pressing and positioning of the front end of the needle, the connecting frame 63 moves synchronously with the polishing frame 51, in this process, the pressing plate 61 will contact with the needle, at this time, the pressing spring 62 is deformed by pressing, and the pressing force is applied to the needle by the pressing plate 61 to realize the pressing and positioning. In the practical application process, in order to avoid flexible contact between the pressing plate 61 and the needle head so as to avoid damaging the needle head, the two ends of the pressing plate 61 are both in round corner design, and meanwhile, flexible materials such as rubber, sponge and the like can be arranged at the bottom of the pressing plate 61, so that the needle head cannot be damaged in the pressing process.
As shown in fig. 5, a chute 32 adapted to the support shaft 71 is provided at the bottom of the table 3, a relief hole 33 is provided in the installation groove 31 in a penetrating manner, and a support roller 72 is provided in the relief hole 33.
Specifically, the chute 32 serves to stabilize the supporting shaft 71 during the ascending and descending process; the function of the relief holes 33 is to provide a movable space for the up-and-down lifting process of the support rollers 72.
As shown in fig. 7, the limiting assembly 8 further comprises a connecting rod 85, a limiting sliding sleeve 86 and a limiting plate 88, the connecting rod 85 is adapted to slide through the limiting sliding sleeve 86, the limiting sliding sleeve 86 is connected with the bottom of the workbench 3 through a mounting frame 87, one end of the connecting rod 85 is fixedly connected with the limiting bracket 81, the other end of the connecting rod 85 is fixedly connected with the limiting plate 88, a limiting pull rod 89 is arranged on one side of the mounting frame 43, and the limiting pull rod 89 is matched with the limiting plate 88.
As shown in fig. 8, the upper end of the base 1 is provided with a collecting assembly 9, the collecting assembly 9 comprises a guiding slide 91, a mounting bracket 92 and a collecting box 93, the guiding slide 91 is obliquely arranged on the mounting bracket 92 at equal intervals, the guiding slide 91 corresponds to the mounting grooves 31 one by one, the mounting bracket 92 is fixedly connected with the collecting box 93, and the bottom end of the guiding slide 91 is led into the collecting box 93.
Specifically, in the moving process of the power assembly 4, the limiting pull rod 89 is in sliding fit with the limiting plate 88, so that the limiting plate 88 is pulled to move forwards, at the moment, the connecting rod 85 also slides forwards in the limiting sliding sleeve 86, so that the limiting bracket 81 is driven to move forwards, at the moment, the reset spring 84 is stressed to be extruded, and meanwhile, the limiting roller 832 is pressed against the tail end of the needle to realize compression positioning; when the limiting pull rod 89 moves to be separated from the limiting plate 88, the limiting plate 88 is not acted by pulling force, the limiting support 81 is reset under the action of the reset spring 84, the pressing plate 61 in the pressing assembly 6 is not pressed against the front end of the needle in the resetting process, the limiting roller 832 is still pressed against the tail end of the needle and continuously rolls backwards under the action of the torsion spring in the resetting process, so that the needle is tilted towards the rear end and falls into the guide slide cylinder 91 under the action of gravity, and is guided into the collecting box 93 by the guide slide cylinder 91 to complete the collecting work.
The working principle of the invention is as follows: as shown in fig. 1-8, when in use, firstly, the remaining needle heads to be polished are manually placed in each mounting groove 31 of the workbench 3, and when the needles are required to be polished uniformly and efficiently, the lifting screw 75 is rotated to lift the supporting plate 74, so that the supporting rollers 72 extend out of the mounting grooves 31, and at the moment, the needles will rotate on the supporting rollers 72 at the two sides; when it is necessary to polish an inclined surface with a fixed inclination angle at the head end of the needle, the lifting screw 75 is rotated to lower the supporting plate 74, so that the supporting roller 72 is retracted from the mounting groove 31, and the needle is pressed against the mounting groove 31 without rotating. When polishing, the mobile motor 42 is started to drive the power gear 44 to rotate, so that the polishing assembly 5 moves linearly in a reciprocating manner, and meanwhile, the polishing motor 52 drives the polishing grinding wheel 53 to rotate at a high speed, so that the polishing process of the needle head is realized. In the moving process of the power assembly 4, the limiting pull rod 89 is in sliding fit with the limiting plate 88, so that the limiting plate 88 is pulled to move forwards, the connecting rod 85 also slides forwards in the limiting sliding sleeve 86 at the moment, the limiting bracket 81 is driven to move forwards, the reset spring 84 is stressed to be extruded, and meanwhile, the limiting roller 832 is pressed against the tail end of the needle to realize pressing and positioning; when the limiting pull rod 89 moves to be separated from the limiting plate 88, the limiting plate 88 is not acted by pulling force, the limiting support 81 is reset under the action of the reset spring 84, the pressing plate 61 in the pressing assembly 6 is not pressed against the front end of the needle in the resetting process, the limiting roller 832 is still pressed against the tail end of the needle and continuously rolls backwards under the action of the torsion spring in the resetting process, so that the needle is tilted towards the rear end and falls into the guide slide cylinder 91 under the action of gravity, and is guided into the collecting box 93 by the guide slide cylinder 91 to complete the collecting work.
The invention also provides a manufacturing method of the medical grinding and retaining needle grinding wheel, which comprises the following steps:
step one, preparing before polishing, and manually placing the remaining needle heads to be polished in the mounting grooves 31 of the workbench 3;
step two, adjusting the supporting rollers 72, and manually rotating the lifting screw 75 to drive the supporting plates 74 to move up and down, so that each group of supporting rollers 72 extends out of or retreats from the corresponding mounting groove 31;
step three, compacting and positioning, wherein the power assembly 4 drives the polishing assembly 5 to reciprocate along the length direction of the workbench 3 so as to polish the end part of the needle, the compacting assembly 6 compacts the corresponding needle, and meanwhile, the limiting assembly 8 moves forwards so that the limiting roller 832 is pressed against the needle to limit the needle;
and step four, collecting after polishing, wherein the polished remaining needle head is collected by a collecting assembly 9 for standby.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. The medical grinding indwelling needle grinding wheel comprises a base (1), a frame (2), a grinding component (5) and a power component (4), and is characterized in that the frame (2) is fixedly arranged on two sides of the upper end of the base (1), a workbench (3) is fixedly arranged at the upper end of the frame (2), mounting grooves (31) for placing needles are formed in the upper end face of the workbench (3) at equal intervals, the power component (4) drives the grinding component (5) to reciprocate along the length direction of the workbench (3) so as to grind the ends of the needles, the grinding component (5) is connected with a pressing component (6), a lifting roller component (7) is arranged at the bottom of the workbench (3), and a limiting component (8) is arranged on one side of the workbench (3);
the lifting roller assembly (7) comprises supporting shafts (71) and supporting rollers (72), each supporting shaft (71) is arranged on two sides of each mounting groove (31) in a sliding mode, each supporting roller (72) is rotatably arranged on each supporting shaft (71), two ends of each supporting shaft (71) are connected with a supporting plate (74) through connecting brackets (73), one end of each supporting plate (74) is provided with a lifting screw (75) in a threaded penetrating mode, the top end of each lifting screw (75) is in rotary fit with the workbench (3), the other end of each supporting plate (74) is provided with a guide rod (76) in a sliding penetrating mode, the top ends of the guide rods (76) are fixedly connected with the workbench (3), and each supporting plate (74) drives each supporting roller (72) to extend out of or retract from the corresponding mounting groove (31);
spacing subassembly (8) are including a pair of spacing support (81), power pack (4) drive spacing support (81) and do back-and-forth displacement, be provided with reset spring (84) between spacing support (81) and workstation (3), be provided with roof (82) between spacing support (81), every spacing support (81) top all rotates and is connected with swing frame (83), be provided with the torsional spring between swing frame (83) and spacing support (81), two rotate between swing frame (83) and install spacing axle (831), spacing axle (831) are provided with spacing gyro wheel (832) with mounting groove (31) one-to-one.
2. The medical grinding and retaining needle grinding wheel according to claim 1, characterized in that the power assembly (4) comprises a toothed plate (41), a movable motor (42) and a mounting frame (43), two ends of the toothed plate (41) are fixedly connected with the rack (2), the mounting frame (87) is slidably mounted on the toothed plate (41), the movable motor (42) is fixedly arranged at the bottom of the mounting frame (43), the output end of the movable motor (42) is connected with a power gear (44), and the power gear (44) is in toothed joint fit with a tooth slot on one side of the toothed plate (41).
3. The medical grinding indwelling needle grinding wheel according to claim 2, wherein the grinding assembly (5) comprises a grinding frame (51), a grinding motor (52) and a grinding wheel (53), the bottom of the grinding frame (51) is fixedly connected with the mounting frame (43) through a connecting block (54), a sliding rod (55) is arranged between the frames (2), the sliding rod (55) penetrates through the grinding frame (51) in a sliding mode, the grinding motor (52) is fixedly arranged on one side of the grinding frame (51), and the output end of the grinding motor (52) is connected with the grinding wheel (53).
4. A medical grinding and retention needle grinding wheel according to claim 3, characterized in that the compression assembly (6) comprises a pressing plate (61), a compression spring (62) and a connecting frame (63), the connecting frame (63) is fixedly connected with the grinding frame (51), the pressing plate (61) is arranged below the connecting frame (63), and the pressing plate (61) is connected with the connecting frame (63) through the compression spring (62).
5. The medical grinding and retaining needle grinding wheel according to claim 1, characterized in that a chute (32) matched with a supporting shaft (71) is arranged at the bottom of the workbench (3), a yielding hole (33) is arranged in the mounting groove (31) in a penetrating manner, and the supporting roller (72) is arranged in the yielding hole (33).
6. The medical grinding and retaining needle grinding wheel according to claim 2, characterized in that the limiting assembly (8) further comprises a connecting rod (85), a limiting sliding sleeve (86) and a limiting plate (88), the connecting rod (85) is adapted to slide and penetrate into the limiting sliding sleeve (86), the limiting sliding sleeve (86) is connected with the bottom of the workbench (3) through a mounting frame (87), one end of the connecting rod (85) is fixedly connected with the limiting support (81), the other end of the connecting rod (85) is fixedly connected with the limiting plate (88), and a limiting pull rod (89) is arranged on one side of the mounting frame (43) and is matched with the limiting plate (88).
7. The medical grinding and retaining needle grinding wheel according to claim 1, characterized in that the upper end of the base (1) is provided with a collecting assembly (9), the collecting assembly (9) comprises a guide sliding cylinder (91), a mounting bracket (92) and a collecting box (93), the guide sliding cylinder (91) is obliquely arranged on the mounting bracket (92) at equal intervals, the guide sliding cylinders (91) are in one-to-one correspondence with the mounting grooves (31), the mounting bracket (92) is fixedly connected with the collecting box (93), and the bottom end of the guide sliding cylinder (91) is led into the collecting box (93).
8. The method of manufacturing a medical grinding and retaining needle grinding wheel according to claim 7, comprising the steps of:
step one, preparing before polishing, wherein indwelling needle heads to be polished are manually placed in each mounting groove (31) of a workbench (3);
step two, adjusting the supporting rollers (72), and manually rotating the lifting screw (75) to drive the supporting plates (74) to move up and down, so that each group of supporting rollers (72) extends out or retreats from the corresponding mounting groove (31);
step three, compacting and positioning, wherein the power assembly (4) drives the polishing assembly (5) to reciprocate along the length direction of the workbench (3) so as to polish the end part of the needle, the compacting assembly (6) compacts the corresponding needle, and meanwhile, the limiting assembly (8) moves forwards so that the limiting roller (832) is pressed against the needle to limit the needle;
and step four, collecting after polishing, wherein the polished remaining needle head is collected by a collecting assembly (9) for standby.
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| CN202310252895.7A CN116079547B (en) | 2023-03-15 | 2023-03-15 | Medical grinding and retaining needle grinding wheel and manufacturing method thereof |
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| CN202310252895.7A CN116079547B (en) | 2023-03-15 | 2023-03-15 | Medical grinding and retaining needle grinding wheel and manufacturing method thereof |
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| CN116079547B CN116079547B (en) | 2023-11-07 |
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