CN210499770U

CN210499770U - Bone implant surface grinding device

Info

Publication number: CN210499770U
Application number: CN201921519767.XU
Authority: CN
Inventors: 叶成
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-05-12
Anticipated expiration: 2029-09-12

Abstract

The utility model relates to a bone implant surface grinding device, its technical scheme is: the grinding device comprises a grinding machine and a driving motor fixedly arranged on the grinding machine, wherein the output end of the driving motor is fixedly connected with a grinding rod, and a grinding head assembly is fixedly connected onto the grinding rod; set up two accurate grinding sand heads, establish the polishing sand head at two accurate grinding sand head intermediate positions, adopt spline sliding shaft sliding connection between one of them accurate grinding sand head and the connecting rod, when carrying out bone implant's the man-hour of polishing, the position at the polishing sand head is put to the piece of will polishing, the accurate grinding sand head that adopts spline sliding shaft and connecting rod sliding connection can be according to the volume of the piece of polishing, the size of automatically regulated polishing sand head station, play good compensation regulation effect, make the piece of polishing can hold completely and polish in the polishing station, polishing efficiency is good, and application range is wide, the precision of polishing is high, can satisfy the burnishing and polishing needs of different pieces of polishing.

Description

Bone implant surface grinding device

Technical Field

The utility model relates to a bone plate implant processing technology, in particular to a bone implant surface grinding device.

Background

According to the national hygienic industry standard, the implant is an implantable article which is placed in a body cavity caused by orthopedic operation or physiologically exists and has the retention time of 30d, the American FDA considers that the article with the retention time of less than =30d can also be considered as the implant in view of stricter public health requirements, the whole-process management is carried out according to the implant, in clinic, most of the implants are treated by manufacturers through industrial sterilization, such as artificial joints, anastomats, heart valves and the like, but a small part of implants, mainly steel plates and steel nails of orthopedics, titanium alloy is considered as metal which has the best fusion with human tissues, so that at present, more and more implants are implanted into human bodies to replace human tissues, for example, TC20 titanium alloy is always considered as the best medical material, and when the titanium alloy material is implanted into the human bodies as the implant, ingot casting, pressing plate blanks and plate blanks are needed, The method comprises the working procedures of plate material preparation rolling, surface polishing processing and the like.

Chinese patent net discloses a utility model, the name is multi-purpose bistrique, the publication number is CN208895915U, this patent is the multi-functional bistrique of design, can realize the repetitious processing to the product, can reduce the change number of times of cutter in the product course of working, but the multi-functional bistrique of this patent design, the sand head of polishing of the size of a plurality of differences above all adopts integrated into one piece's connected mode with the stick of polishing, the interval of polishing is comparatively fixed, can not adjust the interval between two sand heads of polishing according to the needs of polishing of the face of polishing of article, it has the limitation to polish, narrow application range.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem provided in the background art, the utility model provides a bone implant surface grinding device, which has the characteristics of simple and reasonable structure, convenient use, simple operation and high grinding efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: bone implant surface grinding device, including polisher and fixed mounting be in driving motor on the polisher, driving motor's output fixedly connected with polishing rod, fixedly connected with sanding head subassembly on the polishing rod, polishing rod's right side is fixed with the connecting rod, the connecting rod with polishing rod integrated into one piece, the sanding head subassembly includes corase grind sanding head, fine grinding sanding head, two fine grinding sanding heads and supplementary sanding head, corase grind sanding head fine grinding sanding head with fine grinding sanding head is fixed in proper order from left to right the outside of connecting rod, two be fixed with polishing sanding head in the middle of the fine grinding sanding head, the supplementary sanding head of tail end fixedly connected with of connecting rod is close to supplementary sanding head fine grinding sanding head pass through the spline sliding shaft with connecting rod sliding connection.

Preferably, the sand plating mesh number and the sand plating area on the rough grinding sand head, the fine grinding sand head, the polishing sand head, the fine grinding sand head and the auxiliary sand head are all different.

Preferably, the number of the spline sliding shafts is six, the spline sliding shafts are welded and fixed with the connecting rod, and the accurate grinding sand head is provided with key grooves matched with the spline sliding shafts.

Preferably, the auxiliary sand head is of a conical structure.

Preferably, the right side of the connecting rod is close to the tail end of the fine grinding head, and a limiting ring is welded and fixed to the right side of the connecting rod, and the diameter of the limiting ring is larger than that of the connecting rod.

Preferably, the outer side of the left end of the grinding rod is provided with a thread matched with the external driving shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

this bone implant surface grinding device, set up two accurate grinding sand heads, establish the polishing sand head at two accurate grinding sand head intermediate positions, adopt spline sliding shaft sliding connection between one of them accurate grinding sand head and the connecting rod, when carrying out bone implant's the man-hour of polishing, put the position at the polishing sand head with the piece of polishing, the accurate grinding sand head that adopts spline sliding shaft and connecting rod sliding connection can be according to the volume of the piece of polishing, the size of automatically regulated polishing sand head station, play good compensation regulation effect, make the piece of polishing can hold completely and polish in the polishing station, polishing efficiency is good, and application range is wide, the precision of polishing is high, can satisfy the burnishing and polishing needs of different pieces of polishing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the polishing rod of the present invention;

fig. 3 is a schematic view of a partial cross-sectional structure of the present invention;

FIG. 4 is a schematic view of the structure of the polishing rod of the present invention in use;

fig. 5 is a schematic diagram of the structure of the right side of the present invention.

In the figure: 1. grinding a rod; 11. a connecting rod; 111. a limiting ring; 2. a sanding head assembly; 21. coarsely grinding the sand head; 22. finely grinding the sand head; 23. polishing the sand head; 24. fine grinding the sand head; 241. a keyway; 25. an auxiliary sanding head; 3. a spline slide shaft; 4. a drive motor; 5. and (5) grinding machine.

Detailed Description

The technical solution in 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.

Referring to the attached drawings 1-5, the utility model provides the following technical scheme: the utility model provides a bone implant surface grinding device, including polisher 5 and the driving motor 4 of fixed mounting on polisher 5, driving motor 4's output fixedly connected with stick 1 of polishing, fixedly connected with sand head subassembly 2 on the stick 1 of polishing, the right side of stick 1 of polishing is fixed with connecting rod 11, connecting rod 11 and stick 1 integrated into one piece of polishing, sand head subassembly 2 includes corase grind sand head 21, fine grinding sand head 22, two finish grinding sand head 24 and supplementary sand head 25, corase grind sand head 21, fine grinding sand head 22 and finish grinding sand head 24 are fixed in proper order in the outside at connecting rod 11 from left to right, be fixed with polishing sand head 23 in the middle of two finish grinding sand head 24, the supplementary sand head 25 of tail end fixedly connected with of connecting rod 11, the finish grinding sand head 24 that is close to supplementary sand head 25 passes through spline sliding shaft 3 and connecting rod 11 sliding connection.

In this embodiment: the supplementary sand head 25 of tail end fixedly connected with of connecting rod 11, the fine grinding sand head 24 that is close to supplementary sand head 25 passes through spline slide shaft 3 and connecting rod 11 sliding connection, adopt spline slide shaft 3 sliding connection between fine grinding sand head 24 and the connecting rod 11, when carrying out bone implant's the man-hour of polishing, put the position at polishing sand head 23 with the piece of polishing, the fine grinding sand head 24 that adopts spline slide shaft 3 and connecting rod 11 sliding connection can be according to the volume of the piece of polishing, the size of automatically regulated polishing sand head 23 station, play good compensation and regulation effect, make the piece of polishing can hold completely and polish in the polishing station.

Specifically, the sand plating mesh number and the sand plating area on the rough grinding sand head 21, the fine grinding sand head 22, the polishing sand head 23, the fine grinding sand head 24 and the auxiliary sand head 25 are all different; for achieving different degrees of sanding and polishing requirements.

Specifically, the number of the spline sliding shafts 3 is six, the six spline sliding shafts 3 are welded and fixed with the connecting rod 11, and the fine grinding sand head 24 is provided with key grooves 241 matched with the spline sliding shafts 3; the polishing device is used for polishing workpieces of different sizes, can automatically slide outwards under the action of the workpieces to enlarge the range of polishing stations, enables the workpieces to be completely contained in the polishing stations, and is high in polishing efficiency.

Specifically, the auxiliary sanding head 25 is of a conical structure; the included angle and the edge gap of the workpiece can be polished, the application range is wide, and the polishing precision is high.

Specifically, a limiting ring 111 is welded and fixed at the right side of the connecting rod 11 close to the tail end of the fine grinding sand head 24, and the diameter of the limiting ring 111 is larger than that of the connecting rod 11; the sliding of the fine grinding sand head 24 on the connecting rod 11 is more stable, the situation that the fine grinding sand head 24 slips and falls due to excessive sliding is avoided, and the use stability is enhanced.

Specifically, the outer side of the left end of the polishing rod 1 is provided with a thread matched with an external driving shaft; the polishing rod 1 is connected with external equipment more stably, is convenient to disassemble and assemble and is beneficial to later maintenance and management.

The utility model discloses a theory of operation and use flow are:

the grinding rod 1 is arranged at the output end of a driving motor 4 on a grinding machine 5, the grinding rod 1 drives the grinding rod 1 to rotate at a high speed through the output end of the driving motor, so as to drive a sand head component 2 fixed on the grinding rod 1 to rotate at a high speed, a workpiece to be ground is close to a rough grinding sand head 21 on the sand head component 2 to perform rough grinding, a fine grinding sand head 22 performs fine grinding, a polishing sand head 23 performs polishing, and a fine grinding sand head 24 performs fine grinding, an auxiliary sand head 25 is used for grinding the included angle position of the workpiece, when grinding is performed, the workpiece is placed at a grinding station of the polishing sand head 23, by utilizing the connection between one of the two fine grinding sand heads 24 and a connecting rod 11 by adopting a spline sliding shaft 3, the width of the grinding station can be automatically adjusted according to the size of the workpiece when polishing is performed, so that the workpiece can be completely placed at the grinding station, and the, and the auxiliary sand head 25 can polish the edge of the included angle of the workpiece, and has high polishing efficiency, small limitation and wide polishing range.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A bone implant surface grinding device comprises a grinding machine (5) and a driving motor (4) fixedly installed on the grinding machine (5), wherein a grinding rod (1) is fixedly connected to the output end of the driving motor (4), and a grinding head component (2) is fixedly connected to the grinding rod (1), and is characterized in that: the right side of grinding rod (1) is fixed with connecting rod (11), connecting rod (11) with grinding rod (1) integrated into one piece, sand head subassembly (2) are including corase grind sand head (21), fine grinding sand head (22), two fine grinding sand head (24) and supplementary sand head (25), corase grind sand head (21) fine grinding sand head (22) with fine grinding sand head (24) are fixed in proper order from left to right the outside of connecting rod (11), two be fixed with polishing sand head (23) in the middle of fine grinding sand head (24), the supplementary sand head (25) of tail end fixedly connected with of connecting rod (11), be close to supplementary sand head (25) fine grinding sand head (24) through spline sliding shaft (3) with connecting rod (11) sliding connection.

2. The bone implant surface grinding device as claimed in claim 1, wherein: the sand plating mesh number and the sand plating area on the rough grinding sand head (21), the fine grinding sand head (22), the polishing sand head (23), the fine grinding sand head (24) and the auxiliary sand head (25) are all different.

3. The bone implant surface grinding device as claimed in claim 1, wherein: the number of spline sliding shaft (3) is six, six spline sliding shaft (3) with connecting rod (11) welded fastening, seted up on fine grinding sand head (24) with spline sliding shaft (3) assorted keyway (241).

4. The bone implant surface grinding device as claimed in claim 1, wherein: the auxiliary sand head (25) is of a conical structure.

5. A bone implant surface grinding device as claimed in claim 3, wherein: the right side of the connecting rod (11) is close to the tail end of the fine grinding sand head (24), a limiting ring (111) is fixed in a welding mode, and the diameter of the limiting ring (111) is larger than that of the connecting rod (11).

6. The bone implant surface grinding device as claimed in claim 1, wherein: and the outer side of the left end of the grinding rod (1) is provided with a thread matched with an external driving shaft.