CN113442027A

CN113442027A - Medical instrument grinding device

Info

Publication number: CN113442027A
Application number: CN202111023982.2A
Authority: CN
Inventors: 王骥啸
Original assignee: Nantong Zhongkang Medical Technology Co ltd
Current assignee: Nantong Zhongkang Medical Technology Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2021-09-28

Abstract

The invention relates to the technical field of medical instruments and discloses a medical instrument polishing device which comprises a shell, wherein return pipes are connected to the left side and the right side of the shell in a penetrating mode, a rotating cylinder is rotatably connected to the middle of the shell, an output shaft is fixedly connected to the top of the rotating cylinder, a polishing disc is arranged at the bottom of the rotating cylinder, a water cooling tank is arranged at the tail end of each return pipe and located inside the shell, and a first connecting pipe is fixedly connected to the top end of the left side wall of each water cooling tank. According to the invention, the two side walls of the medical instrument are polished in a grading manner through the rotation of the rotary cylinder, so that the temperature of the corresponding polished side is lowered through water circulation heat dissipation, the heat accumulation in the polishing process is obviously reduced, the defective rate of a product is obviously reduced, meanwhile, the precise positioning of polishing is realized through the matching arrangement of the first electromagnet, the spring and the polishing block, the effect of precisely regulating and controlling the distance between the polishing block and the product is achieved, the precision in the polishing process of the product is obviously enhanced, and the polishing efficiency is improved.

Description

Medical instrument grinding device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a medical instrument polishing device.

Background

The material of medical instrument is processed and is often needed to be polished to the product that finishes processing, polish to accord with the product shape and use the needs in order to satisfy different products, mill the mill repeatedly to metal outer wall through the mill dish in the product of medical instrument in-process of polishing and finally obtain corresponding product, therefore medical instrument's grinding device plays crucial effect in medical instrument processing and production process.

The prior medical instrument polishing device has the following technical defects when in use: firstly, in the polishing process, huge heat energy is generated due to repeated friction between the surface of a product and a polishing disc, if heat dissipation and cooling are not performed in time, the product is easy to thermally deform due to heat accumulation, and the medical instruments are directly used for clinical diagnosis and use, so that the defective rate of the product is high, the processing efficiency of the medical instruments is greatly influenced, and the medical rescue efficiency is influenced; secondly, the precision requirement between the polishing disc and the metal product is extremely strict when the polishing device polishes the surface of the medical instrument, the product is excessively polished due to slight deviation, and then the product exceeds the original specification, and once errors occur, defective goods are directly used for diagnosis or operation, so that the irrecoverable defect and regret are caused to the rescue of clinical medicine, and the life safety of a patient are seriously influenced.

Disclosure of Invention

Aiming at the defects of the prior medical instrument polishing device in the background technology in the using process, the invention provides the medical instrument polishing device which has the advantages of good heat dissipation effect and high product polishing precision, and solves the technical problems in the background technology.

The invention provides the following technical scheme: a medical instrument polishing device comprises a shell, wherein return pipes are connected to the left side and the right side of the shell in a penetrating manner, a rotating cylinder is connected to the middle of the shell in a rotating manner, an output shaft is fixedly connected to the top of the rotating cylinder, a polishing disc is arranged at the bottom of the rotating cylinder, a water cooling tank is arranged at the tail end of each return pipe and inside the shell, a first connecting pipe is fixedly connected to the top end of the left side wall of the water cooling tank, a second connecting pipe is fixedly connected to the top end of the right side wall of the water cooling tank, a first condensation pipe is fixedly connected to the other end of the first connecting pipe, a second condensation pipe is fixedly connected to the other end of the second connecting pipe, a rotating column is fixedly connected to the top end side wall of the rotating cylinder and extends into the shell, conducting strips are symmetrically arranged on the left side wall and the right side wall of the rotating column, a driving shell is arranged at the lower end of the rotating column, and a driving mechanism is arranged inside the driving shell, the drive mechanism is including setting up the piezoelectric block of roof in the drive shell, the first pressure spring of left side fixedly connected with of piezoelectric block, the right side fixedly connected with second pressure spring of piezoelectric block, two electrically conductive sliders of the equal fixedly connected with of the other end of first pressure spring and second pressure spring, the inside of polishing dish is equipped with positioning mechanism, the inside of water-cooling tank is equipped with electromagnetic drive mechanism. The electromagnetic driving mechanism comprises a second permanent magnet arranged at the top in the water cooling box, a second electromagnet is arranged on the left side of the second permanent magnet, and a third electromagnet is arranged on the right side of the second permanent magnet.

Preferably, positioning mechanism includes the sanding block of sliding connection at the dish lateral wall of polishing, the inside wall fixedly connected with slide bar of sanding block, the first permanent magnet of other end fixedly connected with of slide bar, the other end fixedly connected with spring of first permanent magnet, the first electro-magnet of other end fixedly connected with of spring, the other end fixed connection of first electro-magnet is on the output shaft, the sliding sleeve has been cup jointed in the outside of slide bar and the inside that is located the dish of polishing, the inner wall of sliding sleeve is equipped with stop gear.

Preferably, stop gear is including seting up the spout at the sliding sleeve lateral wall, the interior roof fixedly connected with pivot of spout, the lower extreme of pivot is rotated and is connected with the limiting plate, it has carbon dioxide gas to fill between the outside of limiting plate and the spout, the end jade of limiting plate closely laminates with the top of spout.

Preferably, the positioning mechanisms are arranged at equal intervals along the circumferential direction of the polishing disc.

Preferably, the limiting mechanisms are arranged at equal intervals along the vertical direction in the sliding sleeve.

The invention has the following beneficial effects:

1. according to the invention, the two side walls of the medical instrument are polished in a grading manner by the rotation of the rotary cylinder, the conducting strips on the two sides of the rotary column in the rotation process extrude the pressure spring to realize the electrification of the piezoelectric block, so that the second electromagnet is driven to be electrified to realize the opening of the first and second condenser pipes, and further the cooling of the corresponding polished side is realized by water circulation heat dissipation, so that the heat accumulation in the polishing process is obviously reduced, the thermal deformation of metal in the polishing process is reduced, and the defective rate of the product is obviously reduced.

2. According to the invention, the high-speed rotation of each grinding block along the circumferential direction of the grinding disc is realized through the rotation of the output shaft, the processing of the to-be-ground area of the product is realized, meanwhile, the precise positioning of the grinding is realized through the matching arrangement among the first electromagnet, the first permanent magnet, the spring and the grinding block, the effect of precisely regulating and controlling the distance between the grinding block and the product is achieved, the precision of the product in the grinding processing process is obviously enhanced, and the grinding efficiency is improved.

3. According to the invention, metal scraps in the polishing process are adsorbed in time through magnetic adsorption in the polishing process of the first electromagnet, and the scraps are adsorbed on the side wall of the polishing block, so that the friction coefficient between the polishing block and the metal is increased, the polishing effect is enhanced, meanwhile, scraps splashed in the polishing process are effectively collected, and the environmental pollution in the polishing process is reduced.

4. According to the invention, the limiting plate is pushed to deflect towards one side of the sliding rod along the inside of the sliding groove by thermal expansion of high-temperature gas gathered in the sleeve in the polishing process, and the sliding rod is limited in time by the bottom wall of the limiting plate, so that the sliding rod can only slide along the inside of the sleeve in a single direction, the position movement of the polishing block caused by friction collision between the polishing block and a product in the polishing process is reduced, and the polishing precision in the polishing process is further enhanced.

5. According to the invention, flexible polishing of the product is realized by rotating the rotary cylinder along different directions of the rotary column, condensation circulation switching of the condensation pipes on the left side and the right side of the product polishing area is realized by contacting the conducting strips with the conducting slide blocks on the left side and the right side, targeted heat dissipation is realized for different polishing areas, and the heat dissipation effect of the polishing device is obviously improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal three-dimensional structure of the housing of the present invention;

FIG. 3 is a schematic view of the internal structure of the driving mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the positioning mechanism of the present invention;

FIG. 5 is a schematic view of the internal structure of the limiting mechanism of the present invention;

FIG. 6 is an enlarged view of the structure at A in FIG. 5 according to the present invention;

FIG. 7 is a schematic view of the internal structure of the water cooling tank of the present invention.

In the figure: 1. a housing; 2. a return pipe; 3. a rotary drum; 4. an output shaft; 5. grinding disc; 51. grinding blocks; 52. a slide bar; 53. a sliding sleeve; 54. a spring; 55. a first electromagnet; 56. a first permanent magnet; 57. a rotating shaft; 58. a limiting plate; 59. a chute; 6. a water cooling tank; 61. a second permanent magnet; 7. a first connecting pipe; 71. a first condenser pipe; 72. a second electromagnet; 8. a second connecting pipe; 81. a second condenser pipe; 82. a third electromagnet; 9. rotating the column; 10. a conductive sheet; 11. a drive case; 12. a first pressure spring; 13. a piezoelectric block; 14. a second pressure spring; 15. a conductive slider.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, a medical device polishing apparatus comprises a housing 1, a return pipe 2 is connected to the left and right sides of the housing 1 in a penetrating manner, a rotary cylinder 3 is connected to the middle of the housing 1 in a rotating manner, an output shaft 4 is fixedly connected to the top of the rotary cylinder 3, a polishing disc 5 is arranged at the bottom of the rotary cylinder 3, a water cooling tank 6 is arranged at the end of the return pipe 2 and inside the housing 1, a first connecting pipe 7 is fixedly connected to the top of the left sidewall of the water cooling tank 6, a second connecting pipe 8 is fixedly connected to the top of the right sidewall of the water cooling tank 6, a first condensation pipe 71 is fixedly connected to the other end of the first connecting pipe 7, a second condensation pipe 81 is fixedly connected to the other end of the second connecting pipe 8, a rotary column 9 is fixedly connected to the top sidewall of the rotary cylinder 3 and extends to the inside of the housing 1, conductive plates 10 are symmetrically arranged on the left and right sidewalls of the rotary column 9, a driving shell 11 is arranged at the lower end of the rotary column 9, the inside of drive shell 11 is equipped with actuating mechanism, and actuating mechanism is including setting up the piezoelectric block 13 of roof in drive shell 11, the first pressure spring 12 of the left side fixedly connected with of piezoelectric block 13, the right side fixedly connected with second pressure spring 14 of piezoelectric block 13, two electrically conductive slider 15 of the equal fixedly connected with of the other end of first pressure spring 12 and second pressure spring 14, the inside of dish 5 of polishing is equipped with positioning mechanism, and the inside of water-cooling tank 6 is equipped with electromagnetic drive mechanism. The electromagnetic driving mechanism comprises a second permanent magnet 61 arranged at the top in the water cooling tank 6, a second electromagnet 72 is arranged on the left side of the second permanent magnet 61, and a third electromagnet 82 is arranged on the right side of the second permanent magnet 61. At first rotate the revolving drum 3 when polishing and arrange the product in the processing bench of casing 1 again, adjust the turned angle of revolving drum 3 and realize polishing to the product, in the rotatory in-process of revolving drum 3, when the left side of product is polished to needs, revolving drum 3 this moment deflects to the left side, polish to the left side wall of product through right side sanding block 51, the size of magnetic force is changed to the electric current of flowing through of the first electro-magnet 55 of control during polishing process realization, the first permanent magnet 56 of the same stage moves towards the outside of sanding disk 5 under the repulsion effect of magnetic force, go on along with polishing continuously, require the electric current of linear regulation first electro-magnet 55 according to the product specification, make sanding block 51 gradually move, finally polish after accomplishing, close electrometer electro-magnet 55, adjust the product position, carry out polishing of opposite side. Limiting mechanism is including seting up the spout 59 in the sliding sleeve 53 lateral wall, and the interior roof fixedly connected with pivot 57 of spout 59, and the lower extreme of pivot 57 rotates the post and is connected with limiting plate 58, and it has carbon dioxide gas to fill between the outside of limiting plate 58 and the spout 59. During adjustment, the sliding process of the first permanent magnet 56 is caused by adjusting the distance between the polishing block 51 and the product, because the polishing block 51 repeatedly contacts and collides with the product during polishing, the polishing block 51 can shake to a certain extent, the sliding sleeve 53 is heated during polishing, so that the carbon dioxide gas filled in the sliding groove 59 is heated and expands, and further the limiting plate 58 is pushed, so that the left side of the limiting plate 58 slides to the outside of the sliding groove 59, at the moment, the bottom walls of the left and right limiting plates 58 are clamped and limited with the side wall of the first permanent magnet 56, so that the first permanent magnet 56 cannot shake due to the contact and collision between the polishing block 51 and the product, the accuracy during polishing of the product is obviously enhanced, meanwhile, when the current of the first electromagnet 55 is increased, the polishing block 51 moves downwards, at the moment, the first permanent magnet 56 can move along the single side inside the sliding sleeve 53, and after the movement is completed, the adjacent limiting mechanism at the lower end limits the first permanent magnet 56, and the whole polishing process is reciprocating and the polishing precision of the product is obviously enhanced. The electromagnetic driving mechanism comprises a second permanent magnet 61 arranged at the top in the water cooling tank 6, a second electromagnet 72 is arranged on the left side of the second permanent magnet 61, and a third electromagnet 82 is arranged on the right side of the second permanent magnet 61. In the process of polishing the left side of a product, at the moment, the temperature of the left side is continuously raised due to continuous friction between a polishing block and the product in the process of polishing the metal, at the moment, the conducting strip 10 on the right side of the rotating column 9 is contacted with the conducting slide block 15 on the right side, the second pressure spring 14 is compressed, the piezoelectric block 13 generates electric power to act on the third electromagnet 82 on the right side due to extrusion force, the second permanent magnet 61 is adsorbed, the right side condenser pipe 81 is closed, condensed water flows into the first condenser pipe 71 from the first connecting pipe 7 on the left side, the left side area is cooled, when the right side of the product is polished, the conducting strip 10 on the left side of the rotating column 9 is contacted with the conducting slide block 15 on the left side, the first pressure spring 12 is compressed, the piezoelectric block 13 generates electric power to act on the second electromagnet 72 on the left side due to pressurization, the second permanent magnet 61 is adsorbed, the left side condenser pipe 71 is closed, and the condensed water flows into the second condenser pipe 82 from the second connecting pipe 8 on the right side, and then reach the cooling to the right side region, positioning mechanism sets up along the circumference of the dish of polishing 5 equidistant. A plurality of positioning mechanism that polish can realize evenly polishing, and stop gear is along the equidistant setting of the inside vertical direction of sliding sleeve 53. The plurality of limiting mechanisms ensure the grinding accuracy.

The use method (working principle) of the invention is as follows:

at first rotate the revolving drum 3 when polishing and arrange the product in the processing bench of casing 1 again, adjust the turned angle of revolving drum 3 and realize polishing to the product, in the rotatory in-process of revolving drum 3, when the left side of product is polished to needs, revolving drum 3 this moment deflects to the left side, polish to the left side wall of product through right side sanding block 51, the size of magnetic force is changed to the electric current of flowing through of the first electro-magnet 55 of control during polishing process realization, the first permanent magnet 56 of the same stage moves towards the outside of sanding disk 5 under the repulsion effect of magnetic force, go on along with polishing continuously, require the electric current of linear regulation first electro-magnet 55 according to the product specification, make sanding block 51 gradually move, finally polish after accomplishing, close electrometer electro-magnet 55, adjust the product position, carry out polishing of opposite side.

During adjustment, the sliding process of the first permanent magnet 56 is caused by adjusting the distance between the polishing block 51 and the product, because the polishing block 51 repeatedly contacts and collides with the product during polishing, the polishing block 51 can shake to a certain extent, the sliding sleeve 53 is heated during polishing, so that the carbon dioxide gas filled in the sliding groove 59 is heated and expands, and further the limiting plate 58 is pushed, so that the left side of the limiting plate 58 slides to the outside of the sliding groove 59, at the moment, the bottom walls of the left and right limiting plates 58 are clamped and limited with the side wall of the first permanent magnet 56, so that the first permanent magnet 56 cannot shake due to the contact and collision between the polishing block 51 and the product, the accuracy during polishing of the product is obviously enhanced, meanwhile, when the current of the first electromagnet 55 is increased, the polishing block 51 moves downwards, at the moment, the first permanent magnet 56 can move along the single side inside the sliding sleeve 53, and after the movement is completed, the adjacent limiting mechanism at the lower end limits the first permanent magnet 56, and the whole polishing process is reciprocating and the polishing precision of the product is obviously enhanced.

In the process of polishing the left side of a product, at the moment, the temperature of the left side is continuously raised due to continuous friction between a polishing block and the product in the process of polishing the metal, at the moment, the conducting strip 10 on the right side of the rotating column 9 is contacted with the conducting slide block 15 on the right side, the second pressure spring 14 is compressed, the piezoelectric block 13 generates electric power to act on the third electromagnet 82 on the right side due to extrusion force, the second permanent magnet 61 is adsorbed, the right side condenser pipe 81 is closed, condensed water flows into the first condenser pipe 71 from the first connecting pipe 7 on the left side, the left side area is cooled, when the right side of the product is polished, the conducting strip 10 on the left side of the rotating column 9 is contacted with the conducting slide block 15 on the left side, the first pressure spring 12 is compressed, the piezoelectric block 13 generates electric power to act on the second electromagnet 72 on the left side due to pressurization, the second permanent magnet 61 is adsorbed, the left side condenser pipe 71 is closed, and the condensed water flows into the second condenser pipe 82 from the second connecting pipe 8 on the right side, thereby achieving the cooling of the right area.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A medical instrument grinding device comprises a shell (1), and is characterized in that: the water cooling device is characterized in that return pipes (2) are connected to the left side and the right side of the shell (1) in a penetrating manner, a rotary drum (3) is connected to the middle of the shell (1) in a rotating manner, an output shaft (4) is fixedly connected to the top of the rotary drum (3), a polishing disc (5) is arranged at the bottom of the rotary drum (3), a water cooling tank (6) is arranged at the tail end of the return pipe (2) and inside the shell (1), a first connecting pipe (7) is fixedly connected to the top end of the left side wall of the water cooling tank (6), a second connecting pipe (8) is fixedly connected to the top end of the right side wall of the water cooling tank (6), a first condensation pipe (71) is fixedly connected to the other end of the first connecting pipe (7), a second condensation pipe (81) is fixedly connected to the other end of the second connecting pipe (8), and a rotating column (9) is fixedly connected to the top end of the rotary drum (3) and extends to the inside of the shell (1), conducting strips (10) are symmetrically arranged on the left side wall and the right side wall of the rotating column (9), a driving shell (11) is arranged at the lower end of the rotating column (9), a driving mechanism is arranged inside the driving shell (11), the driving mechanism comprises a piezoelectric block (13) arranged on the inner top wall of the driving shell (11), a first pressure spring (12) is fixedly connected to the left side of the piezoelectric block (13), a second pressure spring (14) is fixedly connected to the right side of the piezoelectric block (13), two conducting slide blocks (15) are fixedly connected to the other ends of the first pressure spring (12) and the second pressure spring (14), a positioning mechanism is arranged inside the polishing disc (5), and an electromagnetic driving mechanism is arranged inside the water cooling tank (6); the electromagnetic driving mechanism comprises a second permanent magnet (61) arranged at the top in the water cooling tank (6), a second electromagnet (72) is arranged on the left side of the second permanent magnet (61), and a third electromagnet (82) is arranged on the right side of the second permanent magnet (61).

2. The medical instrument polishing device according to claim 1, wherein: positioning mechanism includes polishing block (51) of sliding connection at polishing dish (5) lateral wall, the inside wall fixedly connected with slide bar (52) of polishing block (51), the first permanent magnet (56) of the other end fixedly connected with of slide bar (52), the other end fixedly connected with spring (54) of first permanent magnet (56), the first electro-magnet (55) of the other end fixedly connected with of spring (54), the other end fixed connection of first electro-magnet (55) is on output shaft (4), sliding sleeve (53) have been cup jointed in the outside of slide bar (52) and the inside that is located polishing dish (5), the inner wall of sliding sleeve (53) is equipped with stop gear.

3. The medical instrument polishing device according to claim 2, wherein: stop gear is including seting up spout (59) at sliding sleeve (53) lateral wall, the interior roof fixedly connected with pivot (57) of spout (59), the lower extreme of pivot (57) is rotated and is connected with limiting plate (58), it has carbon dioxide gas to fill between the outside of limiting plate (58) and spout (59), the end jade of limiting plate (58) closely laminates with the top of spout (59).

4. The medical instrument polishing device according to claim 1, wherein: the positioning mechanisms are arranged at equal intervals along the circumferential direction of the polishing disc (5).

5. The medical instrument polishing device according to claim 2, wherein: the limiting mechanisms are arranged at equal intervals along the vertical direction in the sliding sleeve (53).