CN212634383U - Drilling equipment for shroud ring - Google Patents
Drilling equipment for shroud ring Download PDFInfo
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- CN212634383U CN212634383U CN202021039106.XU CN202021039106U CN212634383U CN 212634383 U CN212634383 U CN 212634383U CN 202021039106 U CN202021039106 U CN 202021039106U CN 212634383 U CN212634383 U CN 212634383U
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- 238000005553 drilling Methods 0.000 title claims abstract description 51
- 230000008093 supporting effect Effects 0.000 claims abstract description 50
- 230000000670 limiting effect Effects 0.000 claims abstract description 36
- 238000004080 punching Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 23
- 230000002093 peripheral effect Effects 0.000 claims description 21
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of workpiece processing equipment, in particular to a drilling device for a shroud, which comprises a bracket, an annular positioning disc and a drilling device; the support is provided with a supporting device for bearing the positioning disc; a plurality of ring grooves are concentrically formed in the annular surface on one side of the positioning disc, the diameters of the ring grooves are different, and the shroud ring is inserted into one of the ring grooves; the bracket is connected with a stepping motor, an output shaft of the stepping motor extends along the thickness direction of the positioning disc, and a main gear is coaxially and fixedly connected with an extending end; a pinion is coaxially arranged on one surface of the positioning disc, which is far away from the annular groove, and the main gear is meshed with the pinion; the positioning surface of the positioning disk is also provided with a fixed connection device for abutting the surrounding belt in the annular groove, and the support is provided with a locking device for limiting the rotation of the positioning disk. The cooperation of the stepping motor, the main gear and the pinion replaces workers to complete the rotation of the positioning plate, and the surrounding belt punching process is simplified to a certain extent.
Description
Technical Field
The utility model belongs to the technical field of the technique of work piece processing equipment and specifically relates to a drilling equipment for shroud ring.
Background
Shroud refers to a structure used in power station steam turbines, gas turbines, aircraft engines, and other rotating machine blades to reduce the vibratory response of the blades. The shroud ring is generally annular sheet metal, and in order to facilitate the installation of the mechanical blade, a plurality of through holes need to be formed in the circumferential wall of the shroud ring along the circumferential direction of the shroud ring.
For example, chinese patent with publication number CN209614892U discloses a drilling jig for a turbine shroud, which has the technical scheme main points that: the device comprises a rack, a positioning disc and two groups of supporting wheels, wherein the two supporting wheels positioned on the same horizontal plane form a group, and the positioning disc is coaxially provided with a circular groove; the positioning plate is provided with an inserting groove for inserting the shroud ring, and the rack is also provided with a limiting part for limiting the rotation angle of the positioning plate; the frame corresponds every supporting wheel and sets up the sliding tray with frame direction of height parallel arrangement, the dead lever is installed towards one side of frame to the supporting wheel, the dead lever is pegged graft in the sliding tray and along the displacement from top to bottom of sliding tray, still correspond every group dead lever rotation in the frame and be connected with a lead screw, lead screw and sliding tray length direction parallel arrangement, and pass the dead lever and with dead lever screw-thread fit, still be provided with in the frame and order about lead screw pivoted driving piece.
Although the Chinese patent can conveniently complete the position movement of the supporting wheel through the matching of the sliding groove and the screw rod, the drilling clamp can be suitable for positioning discs with different diameters; however, in the actual processing process, the rotation of the positioning disc mainly depends on the rotation of a worker, so that the worker needs to frequently perform the rotation operation of the positioning disc when drilling the shroud, a large workload is brought to the worker, and the drilling efficiency of the shroud is slowed down to a certain extent.
Therefore, a new technical solution is needed to simplify the overall process of the shroud drilling operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a drilling equipment for shroud, it can simplify the whole flow of shroud drilling operation to a certain extent to make workman's work burden obtain certain the lightening.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the drilling equipment for the shroud comprises a support, an annular positioning disc and a drilling device for drilling the inner wall of the shroud; the support is provided with a supporting device for bearing the positioning disc; a plurality of ring grooves are concentrically formed in the annular surface on one side of the positioning disc, the diameters of the ring grooves are different, and the shroud ring is inserted into one of the ring grooves; the drilling device is partially positioned in an area defined by the inner wall of the positioning plate; the bracket is connected with a stepping motor for driving the positioning disc to rotate, an output shaft of the stepping motor extends along the thickness direction of the positioning disc, and the extending end is coaxially and fixedly connected with a main gear; the annular surface of one side of the positioning disc, which is provided with the ring groove, is a positioning surface, the annular surface of the other side of the positioning disc is a rotating surface, an auxiliary gear is arranged on the rotating surface of the positioning disc, the axis of the auxiliary gear is overlapped with the axis of the positioning disc, and the main gear is meshed with the auxiliary gear; the positioning surface of the positioning disk is also provided with a fixed connection device for abutting the surrounding belt in the annular groove, and the support is provided with a locking device for limiting the rotation of the positioning disk.
By adopting the technical scheme, the annular groove formed in the positioning disc is mainly used for providing a certain supporting and limiting effect for the shroud ring; the fixing device is used for tightly propping the surrounding belt in the annular groove where the surrounding belt is located along the thickness direction of the positioning plate; the annular grooves with different diameters are formed, so that the positioning disc can be suitable for shroud rings with different diameters;
through the matching of the stepping motor, the main gear and the pinion, workers can be replaced to complete the ordered rotation of the positioning plate, so that the operation flow of drilling the shroud is simplified to a certain extent, and the drilling efficiency of the shroud is improved to a certain extent;
the purpose of the locking device is to further limit the position of the positioning disc on the bracket after the stepping motor drives the positioning disc to rotate, so as to prevent the positioning disc from rotating randomly under the action of external force.
The present invention may be further configured in a preferred embodiment as: the supporting device comprises two upper supporting columns and two lower supporting columns, the upper supporting columns are arranged in parallel, the lower supporting columns are arranged above the lower supporting columns, and the upper supporting columns and the lower supporting columns extend in the thickness direction of the positioning plate; an annular limiting groove is formed in the peripheral wall of the upper support column, the distance between the limiting groove and the support is larger than the thickness of the auxiliary gear, and the inner peripheral wall of the positioning disc abuts against the bottom of the limiting groove of the upper support column; the peripheral wall of the lower supporting column is provided with a limiting groove the same as that of the upper supporting column, and the peripheral wall of the positioning disc is abutted against the bottom of the limiting groove of the lower supporting column.
By adopting the technical scheme, the positioning disc can be stably placed on the bracket by utilizing the matching of the upper supporting column and the lower supporting column; the limiting groove is arranged for limiting the position of the positioning disc and preventing the positioning disc from sliding freely on the peripheral wall of the upper supporting column or the peripheral wall of the lower supporting column; on the other hand, the auxiliary gear is separated from the bracket by a certain gap, so that the rotation of the auxiliary gear is not interfered by the bracket.
The present invention may be further configured in a preferred embodiment as: the fixing and connecting device comprises a plurality of positioning screw holes formed in the positioning surface of the positioning disc, the plurality of positioning screw holes enclose a circumference concentric with the positioning surface, the ring groove with the largest diameter in the ring grooves is called an outer ring groove, and the diameter of the circumference enclosed by the plurality of positioning screw holes is larger than that of the outer ring groove; the fixing device further comprises a positioning plate, when the shroud is inserted into the annular groove, one end of the positioning plate is abutted to the end, far away from the annular groove, of the shroud, the other end of the positioning plate is abutted to the positioning surface through a supporting piece, a positioning bolt used for connecting the positioning plate and the positioning disc is further connected onto the positioning plate, the positioning bolt is located between the supporting piece and the shroud, the positioning bolt extends along the axial direction of the positioning disc, and the extending end of the positioning bolt is connected into the positioning bolt through threads.
By adopting the technical scheme, the position of the positioning plate on the positioning surface is locked by combining the surrounding belt and the support pieces to support the two sides of the positioning plate by means of the matching of the positioning bolt and the positioning screw hole, and the surrounding belt is abutted between the positioning plate and the positioning surface and can be abutted against the bottom of the annular groove at the position.
The present invention may be further configured in a preferred embodiment as: the part of the positioning plate, which abuts against the surrounding belt, is provided with an elastic cushion block, and the elastic cushion block abuts against one end, far away from the annular groove, of the surrounding belt; set up the location and lead to the groove on the locating plate, the location leads to the groove and link up the locating plate along locating plate thickness direction, and the location leads to the groove and radially extends along positioning bolt, and positioning bolt passes the location and leads to the groove.
By adopting the technical scheme, the shroud ring and the positioning plate are not seriously abraded or collided by utilizing the existence of the elastic cushion block; and the arrangement of the positioning through groove is used for ensuring that the elastic cushion block is fully abutted against one end of the shroud ring, which is far away from the annular groove.
The present invention may be further configured in a preferred embodiment as: one surface of the elastic cushion block, which is abutted against the surrounding belt, is provided with an arc-shaped limiting groove; when the shroud ring is inserted into the annular groove, one end part of the shroud ring, which is far away from the annular groove, is accommodated in the limiting groove.
Through adopting above-mentioned technical scheme, utilize the spacing groove of seting up on the elastic cushion block, make the shroud band keep away from the one end of annular and the abundant butt of elastic cushion block, reduce and take place relative slip's probability between shroud band and the elastic cushion block, ensure that the shroud band can obtain better locking effect on the positioning disk.
The present invention may be further configured in a preferred embodiment as: the support piece comprises a stabilizing bolt, a stabilizing through hole used for being matched with the stabilizing bolt is formed in one side of the positioning plate, the stabilizing through hole penetrates through the positioning plate along the axial direction of the positioning plate, the stabilizing bolt is connected in the stabilizing through hole in a threaded mode, and the head of the stabilizing bolt is tightly abutted to the positioning surface of the positioning plate.
By adopting the technical scheme, the positioning plate is locked on the positioning surface by the cooperation of the stabilizing bolt, the shroud ring and the positioning bolt; and when facing the shroud ring of different width, can make the locating plate can accomplish the further locking to the shroud ring position smoothly through the length of adjusting stable bolt screw in stabilizing the through-hole.
The present invention may be further configured in a preferred embodiment as: the locking device comprises a bolt, and the bolt extends along the axial direction of the positioning disc; the support is provided with jacks for matching with bolts, a positioning surface of the positioning disc is correspondingly provided with a plurality of locking through holes, the locking through holes are uniformly distributed along the circumferential direction of the positioning disc, and the diameter of the circumference defined by the locking through holes is larger than that of the circumference defined by the positioning screw holes; the bolt passes through one of the locking through holes, and the penetrating end is accommodated in the jack.
Through adopting above-mentioned technical scheme, utilize the cooperation of bolt, jack and locking through-hole, make further restriction to the position of positioning disk, prevent that the positioning disk from taking place at the condition of random rotation under the exogenic action, make the operation of punching of shroud ring go on smoothly.
The present invention may be further configured in a preferred embodiment as: the drilling device comprises a drill bit for drilling the surrounding belt and a drilling motor for driving the drill bit to rotate, an output shaft of the drilling motor is coaxially and fixedly connected with a driving wheel, a driven wheel is coaxially and fixedly connected with the drill bit, and a transmission belt is wound and tightly abutted on the peripheral walls of the driving wheel and the driven wheel together; the drill bit and the driven wheel are both located in an area defined by the inner wall of the positioning disc, and the punching motor and the driving wheel are located on one side of the positioning disc.
By adopting the technical scheme, the high-speed rotation of the drill bit is realized by utilizing the driving of the punching motor, so that the drill bit can smoothly punch the shroud ring; because the space of the region enclosed by the inner wall of the positioning disk is limited, the driving wheel, the driven wheel and the transmission belt are arranged to serve as a transmission mechanism between the punching motor and the drill bit, and the space of the region enclosed by the inner wall of the positioning disk is prevented from being occupied by the punching motor on the basis that the punching motor can normally drive the drill bit to rotate.
To sum up, the utility model discloses a following beneficial technological effect:
1. the cooperation of the stepping motor, the main gear and the pinion is utilized to replace workers to complete the rotation of the positioning plate, so that the operation process of drilling the shroud is simplified to a certain extent, and the workload of the workers is reduced. (ii) a
2. The tight connection between the shroud ring and the positioning disc is ensured by the matching of the ring groove, the positioning plate, the positioning bolt, the stabilizing bolt and the elastic cushion block.
Drawings
FIG. 1 is a first schematic structural diagram of the present embodiment;
FIG. 2 is a second schematic structural diagram of the present embodiment;
FIG. 3 is an enlarged partial schematic view of portion A of FIG. 1, showing the relevant structure of the locking device;
fig. 4 is an enlarged partial schematic view of portion B of fig. 1, showing the relevant structure of the fastening device.
Reference numerals: 1. a chassis; 2. a support; 3. positioning a plate; 4. a drilling device; 5. a shroud ring; 6. a support device; 7. a ring groove; 8. a fixed connection device; 9. positioning the surface; 10. a rotating surface; 11. a pinion gear; 12. a stepping motor; 13. a main gear; 14. a foot switch; 15. an upper support column; 16. a lower support pillar; 17. a limiting groove; 18. a locking device; 19. a bolt; 20. a jack; 21. a locking through hole; 22. positioning the screw hole; 23. positioning the bolt; 24. positioning a plate; 25. stabilizing the screw hole; 26. a stabilizing bolt; 27. an elastic cushion block; 28. a buffer tank; 29. positioning the through groove; 30. a lifting cylinder; 31. a support plate; 32. a drill bit; 33. a punching motor; 34. a driving wheel; 35. a driven wheel; 36. a drive belt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose the drilling equipment for the shroud band 5 of the present invention, the drilling equipment comprises a chassis 1, a bracket 2, a positioning disc 3 and a drilling device 4 for drilling the inner wall of the shroud band 5; the chassis 1 is placed on the ground, and the bracket 2 is fixedly connected to the chassis 1.
The positioning disc 3 is annular, and the drilling device 4 is positioned in an area defined by the inner peripheral wall of the positioning disc 3; the support 2 is provided with a supporting device 6 for bearing the positioning disk 3, and the positioning disk 3 is hung on the support 2 through the supporting device 6.
Two ring grooves 7 with different diameters are concentrically arranged on the ring surface at one side of the positioning disc 3, and the surrounding belt 5 is inserted into one of the ring grooves 7; and meanwhile, the positioning disc 3 is also provided with a fixed connection device 8 for tightly abutting the surrounding belt 5 in the annular groove 7.
One side annular surface of the positioning disc 3 provided with the ring groove 7 is called a positioning surface 9, and the other side annular surface of the positioning disc 3 is called a rotating surface 10; a pinion 11 is concentrically arranged on a rotating surface 10 of the positioning disk 3, a stepping motor 12 is supported on one side of the positioning disk 3, a main gear 13 is coaxially and fixedly connected to an output shaft of the stepping motor 12, and the main gear 13 is meshed with the pinion 11. A foot switch 14 for controlling the stepping motor 12 is also arranged on one side of the base.
When a worker punches the shroud ring 5, the shroud ring 5 needs to be inserted into the annular groove 7 of the shroud ring 5 in the corresponding size along the thickness direction of the positioning plate 3, and then the shroud ring 5 is tightly propped against the corresponding annular groove 7 through the fixing device 8, so that the position of the shroud ring 5 on the positioning plate 3 is locked;
then, a worker steps on the foot switch 14, the positioning disc 3 and the shroud band 5 rotate at a small angle under the drive of the stepping motor 12, and then the worker operates the drilling device 4 to perform punching operation on the inner wall of the shroud band 5;
then, the worker can step on the pedal switch 14 again, and after the to-be-positioned disc 3 and the shroud band 5 rotate, the drilling device 4 is operated again to drill the inner wall of the shroud band 5; the above process is repeated until all the through holes on the inner wall of the shroud ring 5 are processed.
Compared with the conventional mode that a worker manually rotates the positioning disc 3, the mode that the stepping motor 12, the main gear 13 and the pinion 11 are matched enables the worker not to take the trouble to rotate the positioning disc 3 any more, and therefore the workload of the worker can be reduced to a certain extent.
As shown in fig. 1 and 3, the supporting device 6 includes two upper supporting columns 15 and two lower supporting columns 16, which are arranged in parallel, the upper supporting columns 15 are located above the lower supporting columns 16, the upper supporting columns 15 and the lower supporting columns 16 both extend along the thickness direction of the positioning plate 3, annular limiting grooves 17 are formed in the peripheral walls of the upper supporting columns 15 and the lower supporting columns 16, and the distance between the limiting grooves 17 and the bracket 2 is greater than the thickness of the pinion 11; the peripheral wall of positioning disk 3 and the 17 tank bottoms butt of spacing groove of lower support column 16, the peripheral wall of positioning disk 3 and the 17 tank bottoms butt of spacing groove of last support column 15.
The supporting and the limiting of the positioning plate 3 on the bracket 2 are completed by utilizing the upper supporting column 15 and the limiting groove 17 arranged on the peripheral wall of the lower supporting column; the purpose of the limiting groove 17 is to prevent the positioning plate 3 from sliding freely on the peripheral wall of the upper supporting column 15 or the lower supporting column 16, and to separate the pinion 11 from the bracket 2 by a certain distance, so as to ensure that the rotation of the pinion 11 is not interfered by the bracket 2.
In order to enable the positioning disk 3 to obtain a good locking effect on the support 2, a locking device 18 for limiting the rotation of the positioning disk 3 is further arranged on the support 2, the locking device 18 comprises a bolt 19, a jack 20 for matching the bolt 19 is arranged on the support 2, a plurality of locking through holes 21 are arranged on the positioning surface 9 of the positioning disk 3, and the locking through holes 21 are uniformly distributed on the positioning surface 9 along the circumferential direction of the positioning disk 3;
one ring groove 7 with the larger diameter in the two ring grooves 7 is called an outer ring groove, and the diameter of the circumference surrounded by the plurality of locking through holes 21 is larger than that of the outer ring groove. The latch 19 is inserted through one of the locking through holes 21 in the axial direction of the positioning plate 3, and the protruding end is received in the insertion hole 20.
After the stepping motor 12 rotates the positioning plate 3, the position of the positioning plate 3 on the bracket 2 is further locked by the cooperation of the locking through hole 21, the jack 20 and the bolt 19, so that the positioning plate 3 is prevented from rotating randomly due to the interference of external force, and the smooth operation of the punching operation of the shroud band 5 is ensured.
As shown in fig. 1 and 4, the fixing device 8 includes eight positioning screw holes 22 formed in the positioning surface 9, the eight positioning screw holes 22 are uniformly distributed on the positioning surface 9 along the circumferential direction of the positioning disk 3, the diameter of the circumference surrounded by the eight positioning screw holes 22 is larger than that of the outer ring groove, and the diameter of the circumference surrounded by the eight positioning screw holes 22 is smaller than that of the circumference surrounded by the plurality of locking through holes 21.
The fixing device 8 further comprises four positioning bolts 23 and four positioning plates 24 which are arranged in pairs, each positioning bolt 23 penetrates through the corresponding positioning plate 24 along the thickness direction of the positioning plate 3, and the penetrating end of each positioning bolt is in threaded connection with one positioning screw hole 22.
One side of the positioning plate 24 is abutted with one end of the shroud ring 5 far away from the ring groove 7, the other side of the positioning plate 24 is provided with a stable screw hole 25, the stable screw hole 25 is internally threaded with a stable bolt 26, and the head of the stable bolt 26 is abutted with the positioning surface 9 of the positioning disc 3; the positioning bolt 23 is located between the shroud 5 and the stabilizing bolt 26.
Firstly, the two sides of the positioning plate 24 are limited by the cooperation of the shroud ring 5 and the stabilizing bolt 26; and then the positioning screw hole 22 is matched with the positioning bolt 23 to complete the position locking of the positioning plate 24 on the positioning surface 9, and the shroud 5 between the positioning plate 24 and the positioning plate 3 is tightly propped in the annular groove 7 under the action of the positioning plate 24.
In order to reduce the abrasion between the end part of the shroud ring 5 and the positioning plate 24 as much as possible, one side of the positioning plate 24, which is abutted against the shroud ring 5, is also provided with an elastic cushion block 27, the elastic cushion block 27 is provided with a limiting groove 17 for limiting the end part of the shroud ring 5, and the limiting groove 17 is arc-shaped; when the shroud ring 5 is inserted into the ring groove 7, one end part of the shroud ring 5 far away from the ring groove 7 is accommodated in the limiting groove 17.
Because the area of the elastic cushion block 27 is limited, when the shroud ring 5 is inserted into any annular groove 7, one end of the shroud ring, which is far away from the annular groove 7, can be smoothly accommodated in the limiting groove 17 of the elastic cushion block 27, so that a waist-shaped positioning through groove 29 is formed in the positioning plate 24, the positioning through groove 29 extends along the radial direction of the positioning bolt 23, and the positioning bolt 23 penetrates through the positioning through groove 29.
The distance between the positioning plate 24 and the ring groove 7 can be adjusted by adjusting the position of the positioning bolt 23 in the positioning through groove 29, so that the limiting groove 17 of the elastic cushion block 27 can always accommodate the end of the shroud ring 5 away from the ring groove 7.
The drilling device 4 comprises a lifting cylinder 30 and a support plate 31, a piston rod of the lifting cylinder 30 extends upwards along the vertical direction, and the extending end is fixedly connected with the support plate 31; the drilling device 4 further comprises a drill bit 32 and a drilling motor 33, wherein the drilling motor 33 and the drill bit 32 are both connected to the support plate 31; the output shaft of the punching motor 33 is coaxially and fixedly connected with a driving wheel 34, the drill bit 32 is coaxially and fixedly connected with a driven wheel 35, and the peripheral walls of the driving wheel 34 and the driven wheel 35 are wound and tightly abutted with a transmission belt 36.
Under the transmission action of the driving wheel 34, the transmission belt 36 and the driven wheel 35, the punching motor 33 drives the drill bit 32 to rotate at a high speed; under the action of the lifting cylinder 30, the punching motor 33 can perform a drilling operation on the inner wall of the shroud 5.
The using method comprises the following steps:
the first step is as follows: the positioning disc 3 is mounted on the support 2, the inner peripheral wall of the positioning disc 3 is abutted against the bottom of the limiting groove 17 of the upper support column 15, and the outer peripheral wall of the positioning disc 3 is abutted against the bottom of the limiting groove 17 of the lower support column 16.
The second step is that: inserting the shroud ring 5 into the annular groove 7 corresponding to the shroud ring 5 along the thickness direction of the positioning plate 3, and adjusting the distance between the positioning plate 24 and the annular groove 7 to enable one end, far away from the annular groove 7, of the shroud ring 5 to be partially accommodated in the limiting groove 17 of the elastic cushion block 27; then, the stabilizing bolt 26 is rotated to enable the head of the stabilizing bolt 26 to be abutted against the positioning surface 9; the positioning bolts 23 are then tightened, and the position locking of the shroud 5 on the positioning surface 9 is completed.
The third step: the bolt 19 sequentially penetrates through the locking through hole 21 and the jack 20 along the thickness direction of the positioning disk 3 to limit the position of the positioning disk 3 on the bracket 2 to rotate; the punch motor 33 is then activated to start the high speed rotation of the drill head 32.
The fourth step: the lifting cylinder 30 is started to move the drill 32 rotating at high speed downwards along the vertical direction, and the inner wall of the shroud 5 generates a required through hole under the action of the drill 32.
The fifth step: the position of the positioning plate 3 is unlocked by the bolt 19, and the pedal switch 14 is stepped to complete the small-amplitude rotation of the positioning plate 3 and the surrounding belt 5; the bolt 19 is then inserted through the locking through-hole 21 and the insertion hole 20 in the thickness direction of the puck 3.
And a sixth step: and repeating the fourth step and the fifth step until all through holes required by the inner wall of the shroud ring 5 are processed.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A drilling device for a shroud (5) comprises a support (2), an annular positioning disc (3) and a drilling device (4) for drilling the inner wall of the shroud (5); a support device (6) for bearing the positioning disc (3) is arranged on the support (2); a plurality of ring grooves (7) are concentrically formed in the annular surface on one side of the positioning disc (3), the diameters of the ring grooves (7) are different, and the shroud ring (5) is inserted into one of the ring grooves (7); the drilling device (4) is partially positioned in an area enclosed by the inner wall of the positioning disc (3); the method is characterized in that: a stepping motor (12) for driving the positioning disc (3) to rotate is connected to the support (2), an output shaft of the stepping motor (12) extends along the thickness direction of the positioning disc (3), and a main gear (13) is coaxially and fixedly connected to the extending end; an annular surface on one side, provided with the ring groove (7), of the positioning disc (3) is a positioning surface (9), an annular surface on the other side of the positioning disc (3) is a rotating surface (10), a pinion (11) is arranged on the rotating surface (10) of the positioning disc (3), the axis of the pinion (11) is overlapped with the axis of the positioning disc (3), and a main gear (13) is meshed with the pinion (11); a positioning surface (9) of the positioning disc (3) is also provided with a fixing device (8) for tightly abutting the shroud ring (5) in the ring groove (7), and the support (2) is provided with a locking device (18) for limiting the rotation of the positioning disc (3).
2. A drilling device for a shroud (5) according to claim 1, characterised in that: the supporting device (6) comprises two upper supporting columns (15) arranged in parallel and two lower supporting columns (16) arranged in parallel, the upper supporting columns (15) are located above the lower supporting columns (16), and the upper supporting columns (15) and the lower supporting columns (16) extend in the thickness direction of the positioning disc (3); an annular limiting groove (17) is formed in the peripheral wall of the upper supporting column (15), the distance between the limiting groove (17) and the support (2) is larger than the thickness of the pinion (11), and the inner peripheral wall of the positioning disc (3) abuts against the bottom of the limiting groove (17) of the upper supporting column (15); the peripheral wall of the lower support column (16) is provided with a limit groove (17) which is the same as that of the upper support column (15), and the peripheral wall of the positioning disc (3) is abutted against the bottom of the limit groove (17) of the lower support column (16).
3. A drilling device for a shroud (5) according to claim 1, characterised in that: the fixing and connecting device (8) comprises a plurality of positioning screw holes (22) formed in a positioning surface (9) of the positioning disc (3), the plurality of positioning screw holes (22) enclose a circumference concentric with the positioning surface (9), the ring groove (7) with the largest diameter in the ring grooves (7) is called an outer ring groove, and the circumferential diameter enclosed by the plurality of positioning screw holes (22) is larger than the diameter of the outer ring groove; link means (8) still include locating plate (24), when shroud ring (5) are pegged graft in annular (7), the one end butt of annular (7) is kept away from with shroud ring (5) in locating plate (24) one side, support piece and locating surface (9) butt are passed through to locating plate (24) opposite side, still be connected with positioning bolt (23) that are used for connecting locating plate (24) and positioning disk (3) on locating plate (24), positioning bolt (23) are located between support piece and shroud ring (5), positioning bolt (23) are along positioning disk (3) axial extension, extend end threaded connection in positioning screw hole (22).
4. A drilling device for a shroud (5) according to claim 3, characterised in that: the part of the positioning plate (24) abutting against the surrounding belt (5) is provided with an elastic cushion block (27), and the elastic cushion block (27) abuts against one end, far away from the annular groove (7), of the surrounding belt (5); a positioning through groove (29) is formed in the positioning plate (24), the positioning through groove (29) penetrates through the positioning plate (24) along the thickness direction of the positioning plate (24), the positioning through groove (29) extends along the radial direction of the positioning bolt (23), and the positioning bolt (23) penetrates through the positioning through groove (29).
5. A drilling device for a shroud (5) according to claim 4, characterised in that: one surface of the elastic cushion block (27) which is abutted against the surrounding belt (5) is provided with an arc-shaped limiting groove (17); when the shroud ring (5) is inserted into the ring groove (7), one end part of the shroud ring (5) far away from the ring groove (7) is accommodated in the limiting groove (17).
6. A drilling device for a shroud (5) according to claim 3, characterised in that: the support piece comprises a stabilizing bolt (26), a stabilizing through hole used for being matched with the stabilizing bolt (26) is formed in one side of the positioning plate (24), the stabilizing through hole axially penetrates through the positioning plate (24) along the positioning plate (3), the stabilizing bolt (26) is connected in the stabilizing through hole in a threaded mode, and the head of the stabilizing bolt (26) is abutted against the positioning surface (9) of the positioning plate (3).
7. A drilling device for a shroud (5) according to claim 3, characterised in that: the locking device (18) comprises a bolt (19), and the bolt (19) extends along the axial direction of the positioning disc (3); the support (2) is provided with a jack (20) used for being matched with the bolt (19), a plurality of locking through holes (21) are correspondingly formed in the positioning surface (9) of the positioning disc (3), the locking through holes (21) are uniformly distributed along the circumferential direction of the positioning disc (3), and the diameter of the circumference surrounded by the locking through holes (21) is larger than that of the circumference surrounded by the positioning screw holes (22); the bolt (19) passes through one of the locking through holes (21), and the penetrating end is received in the jack (20).
8. A drilling device for a shroud (5) according to claim 1, characterised in that: the drilling device (4) comprises a drill bit (32) for drilling the surrounding belt (5) and a drilling motor (33) for driving the drill bit (32) to rotate, an output shaft of the drilling motor (33) is coaxially and fixedly connected with a driving wheel (34), a driven wheel (35) is coaxially and fixedly connected with the drill bit (32), and a transmission belt (36) is wound and tightly abutted on the peripheral walls of the driving wheel (34) and the driven wheel (35); the drill bit (32) and the driven wheel (35) are both positioned in an area surrounded by the inner wall of the positioning disc (3), and the punching motor (33) and the driving wheel (34) are positioned on one side of the positioning disc (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021039106.XU CN212634383U (en) | 2020-06-08 | 2020-06-08 | Drilling equipment for shroud ring |
Applications Claiming Priority (1)
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| CN202021039106.XU CN212634383U (en) | 2020-06-08 | 2020-06-08 | Drilling equipment for shroud ring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935889A (en) * | 2021-03-04 | 2021-06-11 | 铜陵市宏飞科技有限公司 | Clamp assembly for processing tortoise-shaped shell |
| CN116984652A (en) * | 2023-09-20 | 2023-11-03 | 山西瑞德机械制造股份有限公司 | Processing equipment and processing method for autoclave body and cover connecting piece |
-
2020
- 2020-06-08 CN CN202021039106.XU patent/CN212634383U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935889A (en) * | 2021-03-04 | 2021-06-11 | 铜陵市宏飞科技有限公司 | Clamp assembly for processing tortoise-shaped shell |
| CN116984652A (en) * | 2023-09-20 | 2023-11-03 | 山西瑞德机械制造股份有限公司 | Processing equipment and processing method for autoclave body and cover connecting piece |
| CN116984652B (en) * | 2023-09-20 | 2023-12-15 | 山西瑞德机械制造股份有限公司 | Processing equipment and processing method for autoclave body and cover connecting piece |
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| GR01 | Patent grant | ||
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Denomination of utility model: A drilling equipment for enclosure Granted publication date: 20210302 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. Jiankang Road Branch Pledgor: Zhejiang Xinyu Intelligent Manufacturing Co.,Ltd. Registration number: Y2024980007818 |