CN212495552U

CN212495552U - Drilling machining device for spherical valve core

Info

Publication number: CN212495552U
Application number: CN202021762544.9U
Authority: CN
Inventors: 李兵; 邱佩成; 刘平; 文维政; 卢俊; 李青; 周志刚
Original assignee: Cssc Jiangxi Marine Instrument Co ltd
Current assignee: Cssc Jiujiang Chang'an Fire Protection Equipment Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-02-09
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to the technical field of spherical valve core drilling, and discloses a spherical valve core drilling device, which solves the problems that the spherical valve core in the current market is the core part of a certain flow valve body, the precision of the hole spacing on the spherical surface of the spherical valve core directly influences the product performance, the spherical valve core is generally processed on a five-axis linkage machine tool, but the cost is higher, on the other hand, when drilling on the spherical surface, the drill bit is easy to slip when contacting the spherical surface due to the small intensity difference of the drill bit, so that the hole site is deviated, and the hole site spacing can not meet the design requirement of a pattern, the spherical valve core drilling device comprises a base, a position frame is fixedly arranged at the top of the base, pitching shafts are fixedly arranged at both sides of the position frame, the two pitching shafts are distributed by taking the axis of the position frame as the center, two through holes, high reliability, convenient batch processing and loading and unloading, and accurate reference positioning.

Description

Drilling machining device for spherical valve core

Technical Field

The utility model belongs to the technical field of spherical case drilling, specifically be a spherical case drilling processingequipment.

Background

The drilling device is a general name of equipment for processing holes in solid materials, common drilling devices comprise electric drills, drilling machines and the like, and along with the further development of the processing technology, the efficiency of the drilling device is also greatly improved.

However, the spherical valve core on the market at present is a core component of a certain type flow valve body, the precision of the hole spacing on the spherical surface of the spherical valve core directly influences the product performance, the product is generally processed on a five-axis linkage machine tool, but the cost is higher, on the other hand, when a hole is drilled on the spherical surface, due to the small strength difference of a drill bit, the drill bit is easy to slip when contacting the spherical surface, so that the hole position is deviated, and the hole position spacing cannot meet the design requirement of a pattern.

Disclosure of Invention

To the above situation, for overcoming prior art's defect, the utility model provides a spherical case drilling processingequipment, the effectual spherical case of having solved on the existing market is the core component of certain type flow valve body, hole interval precision on the spherical case sphere directly influences and produces the property ability, generally process on five-axis linkage machine tool, but the expense is higher, on the other hand, because the drill bit small strength is poor when drilling on the sphere, skid easily when the drill bit contacts the sphere, make the hole site produce the skew, the hole site interval can not satisfy the problem of pattern design requirement.

In order to achieve the above object, the utility model provides a following technical scheme: a spherical valve core drilling device comprises a base, wherein an orientation frame is fixedly arranged at the top of the base, pitching shafts are fixedly arranged on two sides of the orientation frame, the two pitching shafts are distributed by taking the axis of the orientation frame as the center, two through holes are formed in the base and are respectively spliced with the corresponding pitching shafts, one ends of the two pitching shafts penetrate through the through holes and extend to the outside of the base, a plurality of positioning holes are formed in two sides of the base, the splicing holes are distributed on two sides of the base at equal distances, a pitching positioning rod is movably spliced in the two positioning holes, one end of the pitching positioning rod is fixedly spliced with the orientation frame, a spherical valve core is arranged in the orientation frame, a positioning pin is fixedly arranged on one side of the top of a bottom plate, and a guide plate is sleeved outside the positioning pin, the drill bit is fixedly connected to the bottom of the drill chuck, the bottom end of the drill bit is connected with the guide sleeve in an inserting mode, a horizontal end cover is arranged on one side of the position frame, and a horizontal shaft is arranged inside the horizontal end cover.

Preferably, an end cover screw is fixedly connected to the inside of the horizontal end cover, and the horizontal shaft is fixedly connected with the horizontal end cover through the end cover screw.

Preferably, a horizontal positioning pin is movably inserted in the base, and one end of the horizontal positioning pin is in threaded connection with an anti-rotation screw.

Preferably, the outer parts of the two pitching shafts are sleeved with fixing nuts in a threaded manner, and one sides of the two fixing nuts are in contact with one side of the base.

Preferably, a fastening screw is fixedly sleeved outside the positioning pin, and the guide plate is fixed outside the positioning pin through the fastening screw.

Preferably, one side of the anti-rotation screw is provided with an elastic washer, and one side of the elastic washer is in contact with one side of the bottom plate.

Compared with the prior art, the beneficial effects of the utility model are that: (1) in the work, the spherical valve core is fixed with a horizontal shaft, a horizontal shaft end cover, an anti-rotation screw and an end cover screw and is installed in a round hole of the azimuth frame, and a horizontal positioning pin drives the spherical valve core to rotate along the horizontal shaft and perform 60 equal divisions at 6 degrees by plugging 60 uniform holes at the left end of the horizontal shaft and positioning holes on the azimuth frame; the orientation frame, the fixing nut and the pitching shaft are fixed and installed in a round hole in the base, the pitching positioning pin and 13 6-degree equal division positioning holes in the orientation frame are inserted and pulled, the orientation frame and the spherical valve core generate pitching swing around the pitching shaft, the two groups of shaft systems are combined with each other, a drill bit drills 780 uniform distribution holes with 6-degree intervals on the spherical valve core through a guide sleeve on a guide plate, the requirement of drilling part pattern design is met, indexing is accurate, and reliability is high; (2) when the ball valve core is assembled and disassembled, the positioning pin is pulled out, the guide plate is moved along the kidney-shaped groove, the horizontal shaft end cover and the anti-rotation screw are loosened, the horizontal shaft is pulled out from the left end, and the ball valve core can be easily taken out; when the workpiece is changed, the spherical valve core is placed to align with the inner hole, the horizontal shaft and the horizontal shaft end cover are inserted, the anti-rotation screw and the end cover screw are fastened, the guide plate is moved in, and the positioning pin is inserted, so that the continuous processing can be realized, the batch processing and the assembly are convenient, and the reference positioning is accurate.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention.

Fig. 3 is a schematic side view of the present invention.

Fig. 4 is a schematic top view of the present invention.

In the figure: 1. a base; 2. an orientation frame; 3. fixing a nut; 4. a pitch axis; 5. fastening screws; 6. positioning pins; 7. a guide plate; 8. a guide sleeve; 9. a spherical valve core; 10. a pitching positioning rod; 11. a horizontal axis; 12. a horizontal end cap; 13. an end cap screw; 14. an anti-rotation screw; 15. an elastic washer; 16. a horizontal positioning pin; 17. a drill bit; 18. a drill chuck.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1-4, the present invention comprises a base 1, a position frame 2 is fixedly installed on the top of the base 1, pitch shafts 4 are fixedly installed on both sides of the position frame 2, the two pitch shafts 4 are distributed centering on the axis of the position frame 2, two through holes are formed in the base 1, the two through holes are respectively inserted into the corresponding pitch shafts 4, one end of each of the two pitch shafts 4 penetrates through the through hole and extends to the outside of the base 1, a plurality of positioning holes are formed in both sides of the base 1, the plurality of engagement holes are equally spaced and distributed on both sides of the base 1, wherein a pitch positioning rod 10 is movably inserted into the inside of each of the two positioning holes, one end of the pitch positioning rod 10 is fixedly inserted into the position frame 2, a spherical valve element 9 is arranged inside the position frame 2, a positioning pin 6 is fixedly installed on one side of the top of the base plate 1, a guide, the guide sleeve 8 is arranged inside the guide plate 7, the drill chuck 18 is arranged at the top of the guide plate 7, the drill bit 17 is fixedly connected to the bottom of the drill chuck 18, the bottom end of the drill bit 17 is connected with the guide sleeve 8 in an inserting mode, the horizontal end cover 12 is arranged on one side of the position frame 2, and the horizontal shaft 11 is arranged inside the horizontal end cover 12.

In the second embodiment, on the basis of the first embodiment, the end cover screw 13 is fixedly connected to the inside of the horizontal end cover 12, and the horizontal shaft 11 is fixedly connected to the horizontal end cover 12 through the end cover screw 13.

In the third embodiment, on the basis of the first embodiment, a horizontal positioning pin 16 is movably inserted into the base 1, and one end of the horizontal positioning pin 16 is in threaded connection with an anti-rotation screw 14.

In the fourth embodiment, on the basis of the first embodiment, the fixing nuts 3 are respectively sleeved outside the two pitch shafts 4 in a threaded manner, and one sides of the two fixing nuts 3 are respectively contacted with one side of the base 1.

In the fifth embodiment, on the basis of the first embodiment, the fastening screw 5 is sleeved outside the positioning pin 6, and the guide plate 7 is fixed outside the positioning pin 6 by the fastening screw 5.

Sixth, in addition to the third embodiment, an elastic washer 15 is provided on one side of the rotation preventing screw 14, and one side of the elastic washer 15 is in contact with one side of the base plate 1.

The working principle is as follows: when the spherical valve core 9 drilling device works, firstly, a spherical valve core 9 to be machined of the spherical valve core 9 drilling device, a horizontal shaft 11 and an end cover of the horizontal shaft 11 are fixed and installed in a round hole of an orientation frame through an elastic gasket, an anti-rotation screw 14 and an end cover screw 13 to form a horizontal shaft 11 system, 60 6-degree uniform holes are formed in a disc at the left end of the horizontal shaft 11, the horizontal shaft 11 drives the spherical valve core 9 to rotate around the horizontal shaft 11 in the horizontal direction through plugging and pulling a horizontal positioning pin 166 and a positioning hole on the orientation frame, 60 equal circumferences are equally divided on the spherical surface of the spherical valve core 9, the indexing is accurate, the error correction rate is high, the spherical valve core 9 of the spherical valve core 9 drilling device, together with the orientation frame, a fixing nut 3 and a pitching shaft 4 system are formed in a side plate round hole on a base, the orientation frame and the spherical valve core 9 are axially pitching swung through plugging and, the drill bit 17 drills 13 groups of 60 holes with 6 degrees uniformly distributed on the circumference of the spherical valve core 9 along the pitching shaft 4 through the guide sleeve 8, the two groups of shaft systems are mutually combined to drill 780 holes with 6 degrees uniformly distributed, and the drilling is precise in indexing and quick in transposition.

When the drilling device for the spherical valve core 9 is used, the spherical valve core 9 is fixed in the middle of the horizontal shaft 11, two ends of the horizontal shaft 11 are locked with the azimuth frame to prevent the spherical valve core 9 from sliding left and right, and the horizontal positioning pin 166 is fixed with the horizontal shaft 11 and the azimuth frame in a limiting manner to stop the spherical valve core 9 from rotating around the direction of the horizontal shaft 11; the pitching shaft 4, the fixing nut 3, the azimuth frame and the spherical valve core 9 are fixed on the base to prevent the spherical valve core 9 from sliding back and forth, and the pitching positioning rod 106, the base, the azimuth frame and the spherical valve core 9 are fixed on the base to stop the spherical valve core 9 from rotating around the pitching shaft 4; the drill bit 17 is positioned accurately when drilling from the upper part, the stress is uniform, the deformation is small, when the drilling processing device of the spherical valve core 9 is used, the spherical valve core 9 is fixed at the center of the orientation frame, the orientation frame and the spherical valve core 9 are fixed at the center of the base, the guide sleeve 8 of the guide plate 7 is arranged at the center of the base and is consistent with the orientation frame and the center of the spherical valve core 9, the drill bit 17 is tightly attached to the spherical surface of the spherical valve core 9 through the guide sleeve 8 on the guide plate 7 for drilling, the stress is uniform, the guidance quality is good, each drilled hole points to the center, the positioning is accurate, the qualification rate of part processing is high, the spherical valve core 9 of the drilling processing device of the spherical valve core 9 is fixed with the horizontal shaft 11, the end cover of the horizontal shaft 11, the anti-rotation screw 14 and the end cover screw 13 and is arranged in the circular hole of the orientation, the spherical valve core 9 can be easily taken out, when the parts are replaced, the spherical valve core 9 is put into the inner hole to be aligned with the inner hole, the horizontal shaft 11 is inserted into the inner hole, the end cover of the horizontal shaft 11 is fastened with the anti-rotation screw 14 and the end cover screw 13, the assembly and disassembly are convenient, and the batch processing and positioning are accurate.

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. The utility model provides a spherical case drilling processingequipment, includes base (1), its characterized in that: the top of the base (1) is fixedly provided with an azimuth frame (2), both sides of the azimuth frame (2) are fixedly provided with pitch shafts (4), the two pitch shafts (4) are distributed by taking the axis of the azimuth frame (2) as the center, two through holes are arranged in the base (1), the two through holes are respectively spliced with the corresponding pitch shafts (4), one ends of the two pitch shafts (4) penetrate through the through holes and extend to the outside of the base (1), both sides of the base (1) are respectively provided with a plurality of positioning holes, the positioning holes are distributed on both sides of the base (1) at equal distances, wherein a pitch positioning rod (10) is movably spliced in the two positioning holes, one end of the pitch positioning rod (10) is fixedly spliced with the azimuth frame (2), a spherical valve core (9) is arranged in the azimuth frame (2), one side fixed mounting at base (1) top has locating pin (6), deflector (7) have been cup jointed to the outside of locating pin (6), uide bushing (8) have been seted up to the inside of deflector (7), the top of deflector (7) is equipped with drill chuck (18), the bottom fixedly connected with drill bit (17) of drill chuck (18), the bottom and uide bushing (8) of drill bit (17) are pegged graft mutually, one side of position frame (2) is equipped with horizontal end cover (12), the inside of horizontal end cover (12) is equipped with horizontal axis (11).

2. The ball valve core drilling device according to claim 1, wherein: the inner part of the horizontal end cover (12) is fixedly connected with an end cover screw (13), and the horizontal shaft (11) is fixedly connected with the horizontal end cover (12) through the end cover screw (13).

3. The ball valve core drilling device according to claim 1, wherein: a horizontal positioning pin (16) is movably inserted in the base (1), and one end of the horizontal positioning pin (16) is in threaded connection with an anti-rotation screw (14).

4. The ball valve core drilling device according to claim 1, wherein: two the equal screw thread of outside of every single move axle (4) is cup jointed fixation nut (3), two one side of fixation nut (3) all contacts with one side of base (1).

5. The ball valve core drilling device according to claim 1, wherein: and a fastening screw (5) is fixedly sleeved outside the positioning pin (6), and the guide plate (7) is fixed outside the positioning pin (6) through the fastening screw (5).

6. The ball valve core drilling device according to claim 3, wherein: one side of the anti-rotation screw (14) is provided with an elastic gasket (15), and one side of the elastic gasket (15) is in contact with one side of the base (1).