CN216029599U - Bearing structure of four-axis indexing turntable - Google Patents
Bearing structure of four-axis indexing turntable Download PDFInfo
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- CN216029599U CN216029599U CN202121809230.4U CN202121809230U CN216029599U CN 216029599 U CN216029599 U CN 216029599U CN 202121809230 U CN202121809230 U CN 202121809230U CN 216029599 U CN216029599 U CN 216029599U
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Abstract
The utility model discloses a bearing structure of a four-axis indexing turntable, belonging to the technical field of machining and comprising: the axostylus axostyle, the axostylus axostyle is connected with connecting rod one end, the connecting rod other end is connected with the fixture block, the draw-in groove has been seted up to pivot one end, the ball groove has been seted up to the pivot other end, the ball is connected with in the ball inslot rotation and changes the pearl, first spacing notch has been seted up to first spacing go-between, first connecting hole has been seted up on the first spacing go-between, the spacing notch of second has been seted up to the spacing go-between of second, the pivot is with the cooperation of changeing the pearl, thereby can satisfy the axial rotation of axostylus axostyle when satisfying the radial pivoted of axostylus axostyle, avoided in traditional bearing structure, in order to ensure to possess axial rotation and radial pivoted ability simultaneously, need use under the radial axis of rotation cooperation common use condition of axial axis, lead to bearing structure bulky, the numerous circumstances of part, the structure of bearing has been retrencied.
Description
Technical Field
The utility model relates to the technical field of machine tool machining, in particular to a bearing structure of a four-axis indexing turntable.
Background
The circumference feeding and the indexing of the shaft machining center are implemented by a rotary table, which can be called as a 4 th shaft, the 4 th shaft rotary table can realize cutting machining in a plane except a positioning surface, or is linked with X, Y, Z three coordinate shafts, so that various balls, circular arc curves and the like are machined, the numerical control rotary table can realize accurate automatic indexing, the machining range of a 3-shaft numerical control machine tool is expanded, the movement of the rotary table is driven by a servo motor, and the rotary table is driven by a precision turbine worm pair to rotate after being decelerated by a toothed belt.
The bearing needs to be used on the four-shaft indexing turntable, in a transmission bearing structure, in order to ensure that the bearing has axial and radial rotation capabilities, the axial rotation shaft and the radial rotation shaft are generally required to be matched with each other to ensure the transmission bearing structure, so that the size of the transmission bearing structure is large, the number of parts forming the bearing structure is large, the size of the four-shaft indexing turntable is large due to the large bearing structure, the number of parts is large, frequent parts are likely to appear, and therefore the bearing structure of the four-shaft indexing turntable needs to be designed urgently to solve the problems.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to reduce the volume of the bearing structure and reduce the number of parts required to be used while ensuring axial rotation and radial rotation.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a four-axis indexing table bearing structure comprising:
the shaft plate is connected with one end of a connecting rod, and the other end of the connecting rod is connected with a clamping block;
the ball bearing comprises a rotating shaft, a ball bearing and a bearing, wherein one end of the rotating shaft is provided with a clamping groove, the other end of the rotating shaft is provided with a ball groove, and a rotating ball is rotationally connected in the ball groove;
the first limiting connecting ring is provided with a first limiting notch, and the first limiting connecting ring is provided with a first connecting hole;
the second limiting connecting ring is provided with a second limiting notch, and a second connecting hole is formed in the second limiting connecting ring;
the fixture block is rotatably connected in the clamping groove, the first connecting hole and the second connecting hole are matched with each other, the first connecting hole and the second connecting hole can be inserted into the first inserting rod, and when the first limiting connecting ring and the second limiting connecting ring are mutually buckled, the rotating shaft and the rotating ball can be slidably connected in a gap formed by the first limiting notch and the second limiting notch.
As a preferred technical scheme of the present invention, a first fixing groove is formed in a side plate surface of the shaft plate, a position of the first fixing groove is matched with a position of the first fixing through hole, the first fixing through hole is formed in the rotating plate, and the second insertion rod can be inserted into the first fixing groove and the first fixing through hole.
Through adopting above-mentioned technical scheme to can make the relative position between axial plate and the commentaries on classics board fixed, can drive when the axial plate rotates and change the board and rotate.
As a preferable technical solution of the present invention, a second fixing groove is formed in the other side of the shaft plate, the second fixing groove is matched with a third fixing groove, the third fixing groove is formed in the drive plate, and a third insertion rod can be inserted into the second fixing groove and the third fixing groove.
Through adopting above-mentioned technical scheme to can make the position relatively fixed between drive plate and the axial lamella, can drive the axial lamella and rotate when the drive plate rotates.
As a preferred technical solution of the present invention, the driving plate is rotatably connected to the inside of the indexing table case through a bearing shaft, and the indexing table case is provided with a fourth fixing groove.
By adopting the technical scheme, the driving plate is powered by the driving device in the indexing turntable box body.
As a preferred technical solution of the present invention, the first limiting connection ring is provided with a second fixing through hole, the second limiting connection ring is provided with a third fixing through hole, the second fixing through hole is matched with the third fixing through hole in position, and a fourth insertion rod can be inserted into the second fixing through hole and the third fixing through hole.
By adopting the technical scheme, the relative fixation of the positions of the first limiting connecting ring and the second limiting connecting ring is further ensured.
As a preferable embodiment of the present invention, the second fixing through hole and the third fixing through hole are matched with a fourth fixing groove, and the fourth insert rod is inserted into the fourth fixing groove.
By adopting the technical scheme, the first limiting connecting ring and the second limiting connecting ring can be fixed with the position between the indexing turntable box body.
The utility model has the beneficial effects that:
1. through setting up the pivot and changeing the pearl, the pivot with change the cooperation of pearl to can satisfy the axial rotation of axletree board when satisfying the radial pivoted, avoided in traditional bearing structure, in order to ensure to possess axial rotation and radial pivoted ability simultaneously, need use under the common use condition of the radial axis of rotation of axial axis of rotation cooperation, lead to bearing structure bulky, the numerous condition of part, retrencied the structure of bearing.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is an enlarged schematic view of portion A of the present invention;
FIG. 3 is an exploded side view schematic of the present invention;
FIG. 4 is a schematic view of the construction of the spindle portion of the present invention;
fig. 5 is a schematic view of another angular configuration of the spindle portion of the present invention.
In the figure: 1. a shaft plate; 2. a connecting rod; 3. a clamping block; 4. a rotating shaft; 5. a ball groove; 6. rotating the beads; 7. a card slot; 8. a first limit connecting ring; 81. a first limit notch; 9. a second limiting connecting ring; 91. a second limit notch; 10. a first connection hole; 11. a second connection hole; 12. a second fixing through hole; 13. a third fixing through hole; 14. a first fixing groove; 15. a first fixing through hole; 16. rotating the plate; 17. a second fixing groove; 18. a third fixing groove; 19. a drive plate; 20. indexing the turntable case; 21. a fourth fixing groove; 22. a first plunger; 23. a second plunger; 24. a third plunger; 25. a fourth plunger; 26. a load bearing shaft.
Detailed Description
Through research and analysis of the applicant, because the axial rotation capacity and the radial rotation capacity of the bearing need to be ensured, in a transmission bearing structure, the axial rotation capacity and the radial rotation capacity are generally ensured by using a mode that an axial rotation shaft is matched with a radial rotation shaft, and by adopting the mode, the size of a bearing structure is large, more parts forming the bearing are easily caused, so that the size of a four-shaft indexing turntable is large, and meanwhile, the number of parts which possibly have faults is large, and therefore, a bearing structure of a four-shaft indexing turntable needs to be designed so as to solve the problems.
The present invention will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, a four-axis indexing table bearing structure includes a shaft plate 1, a connecting rod 2, a fixture block 3, a rotating shaft 4, a ball groove 5, a rotating ball 6, a clamping groove 7, a first limiting connection ring 8, a first limiting notch 81, a second limiting connection ring 9, a second limiting notch 91, a first connection hole 10, a second connection hole 11, a second fixing through hole 12, a third fixing through hole 13, a first fixing groove 14, a first fixing through hole 15, a rotating plate 16, a second fixing groove 17, a third fixing groove 18, a driving plate 19, an indexing table housing 20, a fourth fixing groove 21, a first insert rod 22, a second insert rod 23, a third insert rod 24, a fourth insert rod 25, and a bearing shaft 26.
Referring to fig. 1-5, a four-axis indexing table bearing structure includes: the shaft plate 1, the shaft plate 1 is connected with one end of the connecting rod 2, wherein the connecting position is the peripheral surface of the shaft plate 1, the fixture block 3 is connected with the other end of the connecting rod 2, the fixture block 3 is rotatably connected in the clamping groove 7, the clamping groove 7 is arranged at one end of the rotating shaft 4, the other end of the rotating shaft 4 is provided with the ball groove 5, the rotating ball 6 is rotatably connected in the ball groove 5, the first connecting hole 10 is arranged on the first limit connecting ring 8, the second connecting hole 11 is arranged on the second limit connecting ring 9, the positions of the first connecting hole 10 and the second connecting hole 11 are matched with each other, the first inserting rod 22 can be inserted into the first connecting hole 10 and the second connecting hole 11, the first limit notch 81 is arranged on the first limit connecting ring 8, and the second limit notch 91 is arranged on the second limit connecting ring 9, when the first inserting rod 22 is inserted into the first connecting hole 10 and the second connecting hole 11, the first limit connecting ring 8 and the second limit connecting ring 9 are engaged with each other, the gap formed by the first limit notch 81 and the second limit notch 91 can be slidably connected with the rotating shaft 4 and the rotating ball 6, by providing the first inserting rod 22, the first limit connecting ring 8 and the second limit connecting ring 9 can be integrated into a whole, since the rotating shaft 4 and the rotating ball 6 can be slidably connected in the gap formed by the first limit notch 81 and the second limit notch 91, the position of the axle plate 1 can be limited by means of the first limit connecting ring 8 and the second limit connecting ring 9, when an external force is applied to the axle plate 1 to rotate, the axle plate 1 can be rotated relative to the whole formed by the first limit connecting ring 8 and the second limit connecting ring 9, the setting of pivot 4 and commentaries on classics pearl 6 can ensure the radial rotation of axletree board 1 and can ensure the axial rotation of axletree board again, thereby among the traditional bearing structure has been avoided, the mode of radial axis of rotation and axial axis of rotation mutually supporting, the bulky condition that relates to the part a lot of structure that leads to, bearing structure has been simplified, can carry out the first spacing go-between 8 and the second spacing go-between 9 of relatively fixed and separation with the help of first inserted bar 22 simultaneously, be convenient for when pivot 4 or change pearl 6 when taking place to damage to pivot 4 or change pearl 6 and change the maintenance.
It is shown with reference to fig. 1 and fig. 3 that combine, seted up on the commentaries on classics board 16 first fixed orifices 15, first fixed slot 14 has been seted up to axle plate 1 one side face, first fixed slot 14 position with first fixed orifices 15 matches each other, second inserted bar 23 can insert in first fixed slot 14 and the first fixed orifices 15, through setting up second inserted bar 23, the position between cooperation first fixed slot 14 and the first fixed orifices 15 can be injectd commentaries on classics board 16 and axle plate 1, when external force exerts on axle plate 1, can drive commentaries on classics board 16 and rotate, pivoted commentaries on classics board 16 is used for the operation to the part that needs processing.
Referring to fig. 1 and fig. 3, the indexing table box 20 is rotatably connected to the driving plate 19 through a bearing shaft 26, wherein a driving device inside the indexing table box 20 provides power for the driving plate 19, so that the driving plate 19 can rotate, the driving plate 19 is provided with the third fixing groove 18, the second fixing groove 17 is provided on the other side of the shaft plate 1, the positions of the second fixing groove 17 and the third fixing groove 18 are matched with each other, the third inserting rod 24 can be inserted into the second fixing groove 17 and the third fixing groove 18, and by providing the third inserting rod 24, the positions between the driving plate 19 and the shaft plate 1 can be relatively fixed, the driving device inside the indexing table box 20 drives the driving plate 19 to rotate, and the shaft plate 1 can rotate under the action of the third inserting rod 24.
Referring to fig. 1 and 3, the fourth fixing groove 21 is formed in the indexing table case 20, the second fixing through hole 12 is formed in the first limit connecting ring 8, the third fixing through hole 13 is formed in the second limit connecting ring 9, the second fixing through hole 12 and the third fixing through hole 13 are matched in position, the fourth inserting rod 25 can be inserted into the second fixing through hole 12 and the third fixing through hole 13, and by providing the fourth inserting rod 25, it is further ensured that the position between the first limit connecting ring 8 and the second limit connecting ring 9 can be relatively fixed, and it is avoided that the position between the first limit connecting ring 8 and the second limit connecting ring 9 is shifted due to the position shift between the first limit connecting ring 8 and the second limit connecting ring 9, the position between the second fixing through hole 12 and the third fixing through hole 13 is matched with the fourth fixing groove 21, and the fourth inserting rod 25 can be inserted into the fourth fixing groove 21, by arranging that the fourth inserted link 25 can be inserted into the fourth fixing groove 21, and the fourth inserted link 25 can be inserted into the second fixing through hole 12 and the third fixing through hole 13, the whole body formed between the first limit connecting ring 8 and the second limit connecting ring 9 can be relatively fixed with the position between the indexing table box 20.
The working principle is as follows: when in use, the position of the rotating shaft 4 communicated with the rotating ball 6 is mutually matched with the positions of the first limiting notch 81 and the second limiting notch 91, then the first limiting connecting ring 8 and the second limiting connecting ring 9 are buckled, then the first inserting rod 22 is inserted, so that the first limiting connecting ring 8 and the second limiting connecting ring 9 form a whole to carry out position limitation on the rotating shaft 4 and the rotating ball 6, further carry out position limitation on the shaft plate 1, then the third inserting rod 24 is inserted into the third fixing groove 18, then the third inserting rod 24 is inserted into the second fixing groove 17, so that the position between the shaft plate 1 and the driving plate 19 is relatively fixed, then the fourth inserting rod 25 is inserted into the second fixing through hole 12, the third fixing through hole 13 and the fourth fixing groove 21, so that the positions of the first limiting connecting ring 8 and the second limiting connecting ring 9 are relatively fixed with the position of the indexing turntable box body 20, subsequently, the rotating plate 16 is placed on the shaft plate 1, the second inserting rod 23 is inserted into the first fixing through hole 15 and the first fixing groove 14, the position of the rotating plate 16 and the position of the shaft plate 1 are relatively fixed, the driving device in the indexing turntable box body 20 drives the driving plate 19 to rotate, the rotating driving plate 19 drives the shaft plate 1 to rotate, the shaft plate 1 rotates to drive the rotating plate 16 to rotate, the rotating plate 16 is convenient to operate parts needing to be processed, the rotating shaft 4 and the rotating balls 6 are arranged to ensure that the radial rotation of the shaft plate 1 and the axial rotation of the shaft plate 1 are ensured, so that the problem that in a traditional bearing structure, the radial rotating shaft and the axial rotating shaft are mutually matched is avoided, the caused structural size is large, and the situation of multiple parts is involved, and the bearing structure is simplified.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the above embodiments and descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, which fall within the scope of the claimed invention. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a four-axis graduation revolving stage bearing arrangement which characterized in that: the method comprises the following steps:
the shaft plate is connected with one end of a connecting rod, and the other end of the connecting rod is connected with a clamping block;
the ball bearing comprises a rotating shaft, a ball bearing and a bearing, wherein one end of the rotating shaft is provided with a clamping groove, the other end of the rotating shaft is provided with a ball groove, and a rotating ball is rotationally connected in the ball groove;
the first limiting connecting ring is provided with a first limiting notch, and the first limiting connecting ring is provided with a first connecting hole;
the second limiting connecting ring is provided with a second limiting notch, and a second connecting hole is formed in the second limiting connecting ring;
the fixture block is rotatably connected in the clamping groove, the first connecting hole and the second connecting hole are matched with each other, the first connecting hole and the second connecting hole can be inserted into the first inserting rod, and when the first limiting connecting ring and the second limiting connecting ring are mutually buckled, the rotating shaft and the rotating ball can be slidably connected in a gap formed by the first limiting notch and the second limiting notch.
2. The four-axis indexing table bearing structure of claim 1, wherein: a first fixing groove is formed in the plate surface on one side of the shaft plate, the position of the first fixing groove is matched with the position of the first fixing through hole, the first fixing through hole is formed in the rotating plate, and the second inserting rod can be inserted into the first fixing groove and the first fixing through hole.
3. The four-axis indexing table bearing structure of claim 1, wherein: a second fixing groove is formed in the board surface of the other side of the shaft board, the second fixing groove is matched with a third fixing groove, the third fixing groove is formed in the drive board, and a third inserting rod can be inserted into the second fixing groove and the third fixing groove.
4. The four-axis indexing table bearing structure of claim 3, wherein: the driving plate is rotatably connected in the indexing rotary table box body through a bearing shaft, and a fourth fixing groove is formed in the indexing rotary table box body.
5. The four-axis indexing table bearing structure of claim 1, wherein: the first limiting connecting ring is provided with a second fixing through hole, the second limiting connecting ring is provided with a third fixing through hole, the position of the second fixing through hole is matched with that of the third fixing through hole, and a fourth inserting rod can be inserted into the second fixing through hole and the third fixing through hole.
6. The four-axis indexing table bearing structure of claim 5, wherein: the second fixing through hole and the third fixing through hole are matched with a fourth fixing groove, and the fourth inserted link can be inserted into the fourth fixing groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809230.4U CN216029599U (en) | 2021-08-04 | 2021-08-04 | Bearing structure of four-axis indexing turntable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121809230.4U CN216029599U (en) | 2021-08-04 | 2021-08-04 | Bearing structure of four-axis indexing turntable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216029599U true CN216029599U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121809230.4U Active CN216029599U (en) | 2021-08-04 | 2021-08-04 | Bearing structure of four-axis indexing turntable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216029599U (en) |
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2021
- 2021-08-04 CN CN202121809230.4U patent/CN216029599U/en active Active
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