CN209490908U - A kind of silicon nitride grinding device - Google Patents

Abstract

The utility model provides a kind of silicon nitride grinding device, belongs to grinding device field comprising pedestal, first driving device, grinding device, contains body and movable pressing board at moving body.Moving body is equipped with guide part, and moving body is movably arranged at pedestal.First driving device is for driving moving body vertically movable.Grinding device includes shaft, abrasive wheel and the second driving device, and abrasive wheel is set to the bottom end of shaft, and the second driving device is rotated for drive shaft.It contains body and is connected to pedestal, containing internal portion and being formed has open-topped accommodation space, and movement can make abrasive wheel enter accommodation space to first driving device driving moving body vertically downwards.Movable pressing board is movably arranged at guide part, elastic component is equipped between movable pressing board and guide part, movement can make movable pressing board enter accommodation space and compress silicon nitride first driving device driving moving body vertically downwards.This silicon nitride grinding device can effectively raise production efficiency, guarantee the uniformity of grinding.

Description

A kind of silicon nitride grinding device

Technical field

The utility model relates to grinding device fields, in particular to a kind of silicon nitride grinding device.

Background technique

Currently, the grinding of silicon nitride is realized generally by the mode of underhand polish, this underhand polish mode is not only given birth to Low efficiency is produced, and is ground uneven.

Utility model content

It is raw in a manner of traditional underhand polish to improve the purpose of this utility model is to provide a kind of silicon nitride grinding device Produce efficiency, the non-uniform problem of grinding.

The utility model is realized in this way:

Based on above-mentioned purpose, the utility model provides a kind of silicon nitride grinding device, including pedestal, moving body, the first drive Dynamic device, contains body and movable pressing board at grinding device；The moving body is equipped with the guide part being vertically arranged, the moving body It is movably arranged at the pedestal；The first driving device is for driving the relatively described pedestal of the moving body vertically to move It is dynamic；The grinding device includes shaft, abrasive wheel and the second driving device, and the shaft is vertically arranged in the moving body, grinds Emery wheel is set to the bottom end of the shaft, and second driving device is for driving the shaft to rotate relative to the moving body；Institute It states splendid attire body and is connected to the pedestal, it is described to contain internal portion's formation with open-topped accommodation space, the accommodation space For accommodating silicon nitride, the first driving device drives the moving body, and movement can be such that the abrasive wheel enters vertically downwards The accommodation space；The movable pressing board is movably arranged at the guide part, and the movable pressing board can be along the guiding Part is vertically movable, and the movable pressing board is located at the top of the abrasive wheel, and bullet is equipped between the movable pressing board and the guide part Property part, the first driving device drives the moving body, and movement can make the movable pressing board enter the receiving vertically downwards Space simultaneously compresses the silicon nitride.

In one embodiment of the utility model, the movable pressing board is circle, the diameter of the movable pressing board and institute The internal diameter for stating splendid attire body matches.

In one embodiment of the utility model, the guide part is configured as sleeve, and the shaft is arranged in described In sleeve.

In one embodiment of the utility model, the splendid attire body is connect with the base rotation, the splendid attire body phase The splendid attire body can be made to be located at abrasion site or dump position the base rotation；

It is described opening up when the splendid attire body is located at the abrasion site, described in the first driving device driving Movement can make the abrasive wheel and movable pressing board enter the accommodation space to moving body vertically downwards；

When the splendid attire body is located at the dump position, the opening is oblique downward.

In one embodiment of the utility model, the pedestal has contact surface；

When the splendid attire body is located at abrasion site, the bottom surface for containing body and the contact face contact.

In one embodiment of the utility model, the pedestal is equipped with the guide sleeve being vertically arranged；

The moving body includes bar portion interconnected and interconnecting piece, and the bar portion is movably inserted in the guiding Set, the shaft are rotatably set to the interconnecting piece.

In one embodiment of the utility model, the bar portion is perpendicular to the interconnecting piece.

In one embodiment of the utility model, the splendid attire body is equipped with ennation, and the ennation is equipped with item Shape hole, the interconnecting piece extend in the strip-shaped hole；

When the relatively described guide sleeve of the bar portion is vertically movable, the interconnecting piece can move in the strip-shaped hole.

In one embodiment of the utility model, the first driving device includes screw rod and driving mechanism；

The screw rod is rotatably set in the guide sleeve, and the screw rod and the guide sleeve are coaxially disposed, described Screw rod is bolted in the bar portion；

The driving mechanism is for driving the screw rod to rotate relative to the guide sleeve.

In one embodiment of the utility model, the driving mechanism includes worm gear and worm screw, and the worm gear is set to institute Screw rod is stated, the worm screw is rotatably set to the guide sleeve, and the worm gear is engaged with the worm screw.

The beneficial effects of the utility model are:

The utility model provides a kind of silicon nitride grinding device, in use, silicon nitride particle is put into the receiving sky for containing body In, make abrasive wheel that shaft be followed to rotate under the action of the second driving device；Then, make under the action of first driving device Moving body moves vertically downwards, so that abrasive wheel and movable pressing board be made to enter in the accommodation space for containing body；Abrasive wheel enters It is contacted with silicon nitride in accommodation space and silicon nitride is ground；Movable pressing board enters in accommodation space to be contacted with silicon nitride Afterwards, movable pressing board then compresses silicon nitride under the action of the elastic member, to make silicon nitride be in close contact always with abrasive wheel, together When prevent silicon nitride from splashing outward, effectively raise production efficiency, ensure that the uniformity of grinding.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the structure for the silicon nitride grinding device that the splendid attire body that the utility model embodiment 1 provides is in abrasion site Schematic diagram；

Fig. 2 is the structural schematic diagram of pedestal shown in FIG. 1；

Fig. 3 is the structural schematic diagram of moving body shown in FIG. 1；

Fig. 4 is the connection schematic diagram of moving body shown in FIG. 1 and pedestal；

Fig. 5 is the structural schematic diagram shown in FIG. 1 for containing body；

Fig. 6 is that Fig. 1 is the silicon nitride grinding device that the splendid attire body that the utility model embodiment 1 provides is in obliquity Structural schematic diagram.

Icon: 100- silicon nitride grinding device；10- pedestal；11- mounting surface；12- contact surface；13- guide sleeve；20- is mobile Body；21- bar portion；22- interconnecting piece；23- sleeve；231- annular protrusion；30- first driving device；31- screw rod；32- worm gear；33- Worm screw；34- rocking handle；40- grinding device；41- shaft；42- abrasive wheel；The second driving device of 43-；50- movable pressing board；51- bullet Property part；60- contains body；61- accommodation space；62- ennation；The first plate of 621- portion；The second plate of 622- portion；623- strip-shaped hole.

Specific embodiment

It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the utility model embodiment, it should be noted that indicating position or positional relationship is based on attached drawings Shown in orientation or positional relationship or the utility model product using when the orientation or positional relationship usually put, or Orientation or positional relationship that those skilled in the art usually understand or the utility model product using when usually put Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the description, rather than the dress of indication or suggestion meaning It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to the utility model Limitation.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, it is not understood to indicate or imply phase To importance.

In the description of the utility model embodiment, it is also necessary to which explanation is unless specifically defined or limited otherwise, art Language " setting ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally connect It connects；It can be and be directly connected to, can also be indirectly connected with by intermediary.For the ordinary skill in the art, may be used The concrete meaning of above-mentioned term in the present invention is understood with concrete condition.

Embodiment 1

As shown in Figure 1, the present embodiment provides a kind of silicon nitride grinding device 100, including pedestal 10, moving body 20, first Driving device 30, grinding device 40, movable pressing board 50 and body 60 being contained, moving body 20 is movably arranged at pedestal 10, and first For driving device 30 for driving moving body 20 vertically movable with respect to pedestal 10, grinding device 40 is installed on moving body 20, activity pressure Plate 50 is installed on grinding device 40, contains body 60 and is connected to pedestal 10.

Wherein, as shown in Fig. 2, pedestal 10 is plate structure, there are two the faces for being in ladder for the top tool of pedestal 10, respectively Mounting surface 11 and contact surface 12, mounting surface 11 are lower than contact surface 12.The mounting surface 11 of pedestal 10 is equipped with the guiding being vertically arranged Set 13, guide sleeve 13 are hollow pipe, and the hole inside guide sleeve 13 is square hole.

As shown in figure 3, moving body 20 includes bar portion 21 and interconnecting piece 22, bar portion 21 is that strip is rod-shaped, the section of bar portion 21 For rectangle, interconnecting piece 22 is long strip-board shape, and one end of interconnecting piece 22 is connect with one end of bar portion 21, and interconnecting piece 22 is perpendicular to bar portion 21。

Wherein, interconnecting piece 22 is equipped with guide part, and in the present embodiment, guide part is sleeve 23, and sleeve 23 is from interconnecting piece 22 It extends downwardly, sleeve 23 is parallel to bar portion 21.The outer wall of sleeve 23 is equipped with annular protrusion 231, and annular protrusion 231 is located at sleeve Middle position on 23 length directions.

As shown in Figure 1, bar portion 21 is inserted in guide sleeve 13 far from one end of interconnecting piece 22, bar portion 21 and 13 shape of guide sleeve Cooperate at mobile, it is vertically movable that bar portion 21 can only be oppositely oriented set 13, cannot be oppositely oriented 13 rotation of set.Bar portion 21 and guide sleeve After 13 connections, bar portion 21 and sleeve 23 are vertically arranged, and interconnecting piece 22 is horizontally disposed, and it is vertically movable that bar portion 21 is oppositely oriented set 13 The height and position of interconnecting piece 22 will be made to change, bar portion 21 moves up, and interconnecting piece 22 increases, and bar portion 21 moves down, even Socket part 22 reduces.

The effect of first driving device 30 is that driving moving body 20 is vertically movable with respect to pedestal 10.As shown in figure 4, this implementation In example, first driving device 30 includes screw rod 31 and driving mechanism, and screw rod 31 is located in guide sleeve 13, screw rod 31 by bearing and Guide sleeve 13 is rotatablely connected, and screw rod 31 and guide sleeve 13 are coaxially disposed, and screw rod 31 is bolted in bar portion 21, and driving mechanism is for driving Screw rod 31 is oppositely oriented 13 rotation of set.Screw rod 31 is oppositely oriented set 13 when rotating forward, and bar portion 21 is by vertical upward movement, i.e., whole A 20 vertical upward movement of moving body；Screw rod 31 is oppositely oriented set 13 when rotating backward, and bar portion 21 will move vertically downwards, i.e., whole A moving body 20 moves vertically downwards.

In the present embodiment, driving mechanism includes worm gear 32 and worm screw 33, and worm gear 32 is located in guide sleeve 13, and worm gear 32 is set to On screw rod 31, guide sleeve 13, axis of the pivot center of worm screw 33 perpendicular to guide sleeve 13, worm gear is rotatably arranged in worm screw 33 32 engage with worm screw 33, worm gear 32 will be driven to rotate when worm screw 33 rotates, to drive screw rod 31 to rotate, to realize moving body 20 It is vertically movable.The driving mechanism of this structure has self-locking function, has the advantages of simple structure and easy realization.

In addition, worm screw 33 is external by rocking handle 34 in the present embodiment, worm screw 33 can be driven to rotate by shaking rocking handle 34, most The vertically movable of moving body 20 is realized eventually.

As shown in Figure 1, grinding device 40 includes shaft 41, abrasive wheel 42 and the second driving device 43, the vertical cloth of shaft 41 It is placed in the interconnecting piece 22 of moving body 20, shaft 41 is arranged in sleeve 23, and shaft 41 can rotate in sleeve 23；Abrasive wheel 42 It is coaxially disposed with shaft 41, abrasive wheel 42 is fixed on the bottom end of shaft 41；The second driving device of the present embodiment 43 is motor, motor It is fixed on the interconnecting piece 22 of moving body 20, the output shaft of motor is connect with shaft 41, and shaft 41 will be driven to rotate when motor works, To drive abrasive wheel 42 to rotate.

In the present embodiment, movable pressing board 50 is circle, and the center of movable pressing board 50 is equipped with centre bore.Movable pressing board 50 It is sheathed on the outside of sleeve 23, i.e. sleeve 23 is arranged in the centre bore of movable pressing board 50, and abrasive wheel 42 is located at movable pressing board 50 Lower section, the annular protrusion 231 on sleeve 23 is located at the top of movable pressing board 50, and movable pressing board 50 can vertically be moved along sleeve 23 It is dynamic.Elastic component 51 is equipped between movable pressing board 50 and sleeve 23, elastic component 51 is sheathed on the outside of sleeve 23, and the one of elastic component 51 End is connect with movable pressing board 50, and the other end of elastic component 51 is connect with the annular protrusion 231 on sleeve 23.Movable pressing board 50 is along set When 23 vertical upward movement of cylinder, elastic component 51 will be compressed, and elastic component 51 will apply extruding force to movable pressing board 50.The present embodiment In, elastic component 51 is spring.

As shown in figure 5, containing body 60 is cylindrical structure, containing to be formed inside body 60 has open-topped accommodation space 61, accommodation space 61 is also cylinder, and the diameter for containing the internal diameter and movable pressing board 50 of body 60 matches.

In addition, the lateral wall for containing body 60 is equipped with ennation 62.Ennation 62 includes the first plate portion 621 and the second plate portion 622, the first plate portion 621 and the second plate portion 622 connect and compose L shape, the first plate portion 621 one end and Sheng far from the second plate portion 622 The lateral wall connection of body 60 is filled, the first plate portion 621 is along radially extending for body 60 is contained, and the second plate portion 622 is along the axis for containing body 60 To upwardly extending.Wherein, the second plate portion 622 is equipped with strip-shaped hole 623, extending direction cloth of the strip-shaped hole 623 along the second plate portion 622 It sets.

Bottom and the pedestal 10 for containing body 60 are hinged, and articulated position is located at the mounting surface 11 of pedestal 10, and containing body 60 can It is rotated relative to pedestal 10 around horizontal axis, containing can make splendid attire body 60 be located at abrasion site or topple over position relative to the rotation of pedestal 10 It sets.

As shown in Figure 1, containing the opening down of body 60 when splendid attire body 60 is located at abrasion site, containing the bottom surface of body 60 It is contacted with the contact surface 12 of pedestal 10, the axis for containing body 60 is located on vertical, and the interconnecting piece 22 of moving body 20 extends to bar shaped In hole 623, movement can make abrasive wheel 42 and activity pressure to the bar portion 21 of the driving moving body 20 of first driving device 30 vertically downwards Plate 50 enters in the accommodation space 61 for containing body 60, and the work of abrasive wheel 42 can grind the silicon nitride in accommodation space 61； Bar portion 21 be oppositely oriented under the action of first driving device 30 set 13 it is vertically movable when, interconnecting piece 22 will be in strip-shaped hole 623 Mobile, strip-shaped hole 623 can play guiding role to interconnecting piece 22, to improve stabilization of the moving body 20 during vertically movable Property.As shown in fig. 6, the ground for containing body 60 is separated with the contact surface 12 of pedestal 10, is contained when splendid attire body 60 is located at dump position Dress body 60 be in dump position, splendid attire body 60 it is opening down, in order to by ground silicon nitride everywhere.

In use, silicon nitride particle is put into the accommodation space 61 for containing body 60, motor work, so that abrasive wheel 42 follows Shaft 41 rotates；Then, operator, which shakes rocking handle 34, rotates worm screw 33, so that moving body 20 moves vertically downwards, to make Abrasive wheel 42 and movable pressing board 50 enter in the accommodation space 61 for containing body 60；Abrasive wheel 42 enters in accommodation space 61 and nitrogen SiClx is contacted and is ground to silicon nitride；After being contacted in the entrance accommodation space 61 of movable pressing board 50 with silicon nitride, elastic component 51 It is compressed, under the action of elastic component 51, movable pressing board 50 compresses silicon nitride, so that silicon nitride be made to protect always with abrasive wheel 42 Close contact is held, while silicon nitride can be effectively prevent to splash outward, to effectively raise production efficiency, ensure that grinding Uniformity.

In the present embodiment, movable pressing board 50 is circle, and the diameter of movable pressing board 50 matches with the internal diameter for containing body 60, living After dynamic pressure plate 50 enters in accommodation space 61, formation is slidably matched by the peripheral wall of movable pressing board 50 with the inner wall for containing body 60, Movable pressing board 50 will then contain the closure of openings at the top of body 60, can effectively prevent during the grinding process silicon nitride splash.

In the present embodiment, guide part on moving member is sleeve 23, and in 41 sleeve 23 of shaft, sleeve 23 can play shaft 41 To protective effect, while it can guarantee the stability of shaft 41 during rotation.

In the present embodiment, splendid attire body 60 and pedestal 10 are rotatablely connected, and containing body 60 by rotation can be such that splendid attire body 60 is in Dump position, in order to pour out ground silicon nitride from splendid attire body 60.In other specific embodiments, body 60 is contained It can be directly anchored on pedestal 10.

The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of silicon nitride grinding device characterized by comprising

Pedestal；

Moving body, the moving body are equipped with the guide part being vertically arranged, and the moving body is movably arranged at the pedestal；

First driving device, the first driving device is for driving the relatively described pedestal of the moving body vertically movable；

Grinding device, the grinding device include shaft, abrasive wheel and the second driving device, and the shaft is vertically arranged in described Moving body, abrasive wheel are set to the bottom end of the shaft, and second driving device is for driving the shaft relative to the movement Body rotation；

Body is contained, the splendid attire body is connected to the pedestal, and the internal portion of splendid attire, which is formed, has open-topped accommodation space, The accommodation space is for accommodating silicon nitride, and the first driving device drives the moving body, and movement can make institute vertically downwards Abrasive wheel is stated into the accommodation space；And its

Movable pressing board, the movable pressing board are movably arranged at the guide part, and the movable pressing board can be along the guiding Part is vertically movable, and the movable pressing board is located at the top of the abrasive wheel, and bullet is equipped between the movable pressing board and the guide part Property part, the first driving device drives the moving body, and movement can make the movable pressing board enter the receiving vertically downwards Space simultaneously compresses the silicon nitride.

2. silicon nitride grinding device according to claim 1, which is characterized in that the movable pressing board is circle, the work The diameter of dynamic pressure plate matches with the internal diameter for containing body.

3. silicon nitride grinding device according to claim 1, which is characterized in that the guide part is configured as sleeve, institute Shaft is stated to be arranged in the sleeve.

4. silicon nitride grinding device according to claim 1, which is characterized in that the splendid attire body and the base rotation connect It connects, the relatively described base rotation of splendid attire body can make the splendid attire body be located at abrasion site or dump position；

Described opening up when the splendid attire body is located at the abrasion site, the first driving device drives the movement Movement can make the abrasive wheel and movable pressing board enter the accommodation space to body vertically downwards；

When the splendid attire body is located at the dump position, the opening is oblique downward.

5. silicon nitride grinding device according to claim 4, which is characterized in that the pedestal has contact surface；

When the splendid attire body is located at abrasion site, the bottom surface for containing body and the contact face contact.

6. silicon nitride grinding device according to claim 1, which is characterized in that the pedestal is led equipped with what is be vertically arranged To set；

The moving body includes bar portion interconnected and interconnecting piece, and the bar portion is movably inserted in the guide sleeve, institute It states shaft and is rotatably set to the interconnecting piece.

7. silicon nitride grinding device according to claim 6, which is characterized in that the bar portion is perpendicular to the interconnecting piece.

8. silicon nitride grinding device according to claim 6, which is characterized in that the splendid attire body is equipped with ennation, institute Ennation is stated equipped with strip-shaped hole, the interconnecting piece extends in the strip-shaped hole；

When the relatively described guide sleeve of the bar portion is vertically movable, the interconnecting piece can move in the strip-shaped hole.

9. silicon nitride grinding device according to claim 6, which is characterized in that the first driving device include screw rod and Driving mechanism；

The screw rod is rotatably set in the guide sleeve, and the screw rod and the guide sleeve are coaxially disposed, the screw rod It is bolted in the bar portion；

The driving mechanism is for driving the screw rod to rotate relative to the guide sleeve.

10. silicon nitride grinding device according to claim 9, which is characterized in that the driving mechanism includes worm gear and snail Bar, the worm gear are set to the screw rod, and the worm screw is rotatably set to the guide sleeve, and the worm gear is nibbled with the worm screw It closes.