CN117900997B - Silicon carbide product grinding clamping tool - Google Patents
Silicon carbide product grinding clamping tool Download PDFInfo
- Publication number
- CN117900997B CN117900997B CN202410296696.0A CN202410296696A CN117900997B CN 117900997 B CN117900997 B CN 117900997B CN 202410296696 A CN202410296696 A CN 202410296696A CN 117900997 B CN117900997 B CN 117900997B
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- Prior art keywords
- fixedly connected
- frame
- plate
- silicon carbide
- shaped
- Prior art date
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Links
- 229910010271 silicon carbide Inorganic materials 0.000 title claims abstract description 126
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims abstract description 122
- 238000007789 sealing Methods 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 19
- 230000001360 synchronised effect Effects 0.000 claims description 11
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/50—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground, e.g. strings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a silicon carbide product grinding and clamping tool which comprises a supporting frame, wherein a silicon carbide pipe is arranged on the supporting frame, sliding frames are arranged on two sides of the top of the supporting frame in a sliding mode, two sides of the back of the supporting frame are fixedly connected with a first motor through a mounting frame, an output shaft of the first motor is fixedly connected with a driving frame, the tops of the sliding frames, which are close to each other, are rotatably provided with discs, one side of each disc, which is close to each other, is provided with an auxiliary assembly matched with the silicon carbide pipe, the supporting frame is provided with the supporting assembly matched with the silicon carbide pipe, and the auxiliary assembly and the supporting assembly are designed.
Description
Technical Field
The invention relates to the technical field of silicon carbide product grinding devices, in particular to a silicon carbide product grinding and clamping tool.
Background
The silicon carbide product is a refractory material produced by taking silicon carbide sand as a main raw material and adopting various different adhesives, and when the silicon carbide product is ground, the silicon carbide product is required to be clamped and fixed in advance by using a silicon carbide product grinding and clamping tool.
The silicon carbide pipe is also one kind of silicon carbide product, and the silicon carbide pipe has certain length, but traditional grinding centre gripping frock mostly adopts single fixed mode, can't be when fixed to the silicon carbide pipe centre gripping, carries out auxiliary stay to the middle section position of silicon carbide pipe, leads to the silicon carbide pipe easily to form certain crooked because of length overlength in the in-process of grinding, therefore take place the position offset to lead to the positioning effect to the silicon carbide pipe poor, and then influence grinding equipment and to the normal processing of silicon carbide pipe, for this reason, proposes a silicon carbide product grinding centre gripping frock.
Disclosure of Invention
The invention aims to provide a silicon carbide product grinding and clamping tool, which solves the problems that the traditional grinding and clamping tool provided in the background art mostly adopts a single fixing mode, cannot assist in supporting the middle section of a silicon carbide tube while clamping and fixing the silicon carbide tube, and causes that the silicon carbide tube is easy to form certain bending due to overlong length in the grinding process, so that the position deviation occurs, the positioning effect on the silicon carbide tube is poor, and the normal processing of the silicon carbide tube by grinding equipment is affected.
In order to achieve the above purpose, the present invention provides the following technical solutions: the grinding and clamping tool for the silicon carbide product comprises a supporting frame, a silicon carbide pipe is positioned on the supporting frame, sliding frames are slidably arranged on two sides of the top of the supporting frame, two sides of the back of the supporting frame are fixedly connected with a first motor through a mounting frame, an output shaft of the first motor is fixedly connected with a driving frame, the back of the sliding frame is fixedly connected with a bar frame matched with the driving frame, the top of the sliding frame, which is close to each other, is rotationally provided with a disc, a plurality of groups of T-shaped rods are transversely inserted around one side, which is close to each other, of the discs, auxiliary springs are wound on each group of T-shaped rods, two ends of each auxiliary spring are fixedly connected with protruding parts of the disc and the T-shaped rods, one end of the T-shaped rod far away from the auxiliary spring is fixedly connected with an extrusion disc, one sides of the extrusion discs close to each other are attached to the silicon carbide tube, one sides of the discs close to each other are provided with auxiliary components matched with the silicon carbide tube, each auxiliary component comprises a strip-shaped box embedded in the center of one side of the discs close to each other, one ends of the strip-shaped boxes close to each other penetrate through the extrusion disc and extend into the silicon carbide tube, one sides of the discs far away from each other are fixedly connected with a sealing cylinder through a bracket, a piston rod is arranged in the sealing cylinder in a sliding manner, one ends of the piston rod close to each other penetrate into the strip-shaped boxes and are fixedly connected with pushing blocks, one sides of the pushing blocks close to each other are fixedly connected with auxiliary toothed plates, the inner side of each group of the strip-shaped box is sequentially and longitudinally rotated along the left-right direction to be provided with a mounting shaft, two ends of each group of the mounting shafts are fixedly connected with a turnover plate, two outer groups of the mounting shafts are fixedly connected with a first gear, the inner side of the inner cavity of the strip-shaped box is rotationally provided with an auxiliary shaft, the auxiliary shaft and the two outer groups of the mounting shafts are fixedly connected with synchronous wheels, the surfaces of two adjacent groups of the synchronous wheels are in transmission connection through synchronous belts, the auxiliary shaft and the two inner groups of the mounting shafts are fixedly connected with a second gear, one sides of the two adjacent groups of the second gears close to each other are meshed, the auxiliary assembly further comprises first springs symmetrically fixed on one sides of piston rods far away from each other along the front-back direction, the first spring is fixedly connected with the outer side of the inner cavity of the sealing cylinder at the end far away from the piston rod, the L-shaped tube is rotatably arranged at the end far away from each other of the sealing cylinder, the limiting frame is fixedly connected with the L-shaped tube and is fixed on the sliding frame, the telescopic tube is communicated with the end far away from the sealing cylinder of the L-shaped tube, the air pump is fixedly connected with the supporting frame, the air outlet end of the air pump is communicated with the T-shaped tube, the two ends of the T-shaped tube are communicated with the telescopic tube, the outer sides of the front side and the back side of each sealing cylinder are respectively communicated with an exhaust tube, the exhaust tube is provided with an electromagnetic valve, the top and the bottom of each overturning plate are respectively provided with a cavity, a plurality of groups of second springs are fixedly connected in the cavity, one end of the second spring is fixedly connected with a lifting seat, one end of the lifting seat, which is far away from the second spring, penetrates through the turnover plate and is fixedly connected with an arc block matched with the silicon carbide tube, one side, which is close to each other, of the lifting seat is embedded with a displacement sensor matched with the inner side of the cavity, a supporting component matched with the silicon carbide tube is arranged on the supporting frame, the supporting component comprises two groups of movable frames symmetrically and slidingly arranged on the supporting frame along the left and right directions, the back surface of the top of the supporting frame is fixedly connected with an L-shaped frame, a screw rod is rotationally arranged in the L-shaped frame, a second motor is fixedly connected on the L-shaped frame, and an output shaft of the second motor is fixed on the screw rod, the screw rod is connected with a thread bush through threads, a push plate is rotatably arranged on two sides of the thread bush, one end of the push plate away from the thread bush is rotatably arranged on the back surface of the movable frame, which is close to each other, a box body is fixedly connected to the bottom of the inner cavity of the movable frame, a plurality of groups of third springs are uniformly and fixedly connected to the bottom of the inner cavity of the box body, a movable frame is slidably arranged in the box body, the bottom of the movable frame is fixedly arranged on the third springs, the top end of the movable frame penetrates through the box body and is fixedly connected with a top frame, a plurality of groups of first idler wheels matched with a silicon carbide tube are rotatably arranged in the top frame along the front-back direction, vertical grooves are formed in the front surface and the back surface of the box body, a U-shaped frame matched with the vertical grooves is fixedly connected to the front surface and the back surface of the movable frame, the top of the front and the back of the box body are fixedly connected with extension plates, one ends of the extension plates, which are far away from each other, are fixed on the front and the back of the inner cavity of the movable frame, the supporting component also comprises a fixed toothed plate fixed on the right side of the top of the U-shaped frame, the right sides, which are close to each other, of the extension plates are sequentially and fixedly connected with a T-shaped fixed plate and a mounting plate along the front and the back direction, one sides, which are close to each other, of the T-shaped fixed plate and the mounting plate are rotationally provided with a longitudinal shaft, a ratchet wheel and a third gear are sequentially and fixedly connected on the longitudinal shaft along the front and the back direction, one sides, which are close to each other, of the third gear and the fixed toothed plate are meshed, the T-shaped fixed plate is longitudinally rotationally provided with a butt joint shaft, two ends of the butt joint shaft are sequentially and fixedly connected with a baffle plate and a pawl matched with the ratchet wheel, the right side of the pawl is symmetrically and fixedly connected with a plurality of groups of fourth springs along the front-back direction, one ends of the fourth springs are fixed on a T-shaped fixed plate, locking bolts matched with a baffle plate are connected on the T-shaped fixed plate through nuts in a threaded manner, fixed cylinders are embedded at the tops of the front surface and the back surface of the movable frame, a first circular plate and a second circular plate are sequentially and slidably arranged in the fixed cylinders from inside to outside, a plurality of groups of fifth springs are fixedly connected to one sides of the first circular plate and the second circular plate, a plurality of groups of supporting rods are uniformly and fixedly connected to one sides of the first circular plate, one ends of the supporting rods, which are close to each other, are fixedly connected with vertical plates, second idler wheels matched with silicon carbide tubes are rotatably arranged at the tops of the vertical plates, the second idler wheels are matched with silicon carbide tubes, one side fixedly connected with arm-tie that the second plectane kept away from each other, the one end fixedly connected with fixed band that the arm-tie kept away from the second plectane, all be provided with the leading wheel that uses with the fixed band cooperation on extension board and the movable frame, the one end that the arm-tie was kept away from to the fixed band is fixed on the U type frame.
Preferably, the right side of one group of discs is fixedly connected with an annular toothed plate, the bottom of the right side of one group of sliding frames is fixedly connected with a third motor through a positioning frame, an output shaft of the third motor is fixedly connected with an auxiliary gear, and the auxiliary gear is meshed with one side, close to the annular toothed plate, of the auxiliary gear.
Preferably, the other group fixedly connected with mount pad on the carriage, rotate on the mount pad and install the shielding frame, the left side fixedly connected with sixth spring at mount pad top and the top of sixth spring are fixed on the shielding frame, the left bottom of shielding frame left side transversely inserts and is equipped with the locking seat, the left side fixedly connected with riser of locking seat, the winding has seventh spring and the both ends of seventh spring to fix in the one side that riser and shielding frame are close to each other on the locking seat, another group the left side fixedly connected with of disc and the positioning seat that the cooperation of locking seat was used, a set of left side the top fixedly connected with of extrusion dish left side and the square column that the cooperation was used.
Preferably, one side fixedly connected with swash plate that four sets of arc pieces in inboard are pairwise each other close to, every group insert in proper order along the fore-and-aft direction on the swash plate and have been equipped with multiunit auxiliary rod, every group the both ends of auxiliary rod are along upper and lower direction fixedly connected with ball and bottom plate in proper order, and the ball laminating is on the inner wall of carborundum pipe, every group on the auxiliary rod winding have reset spring and reset spring's both ends are fixed in one side that swash plate and bottom plate are close to each other.
Preferably, auxiliary grooves matched with the telescopic pipes are formed in two sides of the top of the supporting frame, and the front face of the T-shaped fixing plate is fixedly connected with a convex plate matched with the baffle plate.
Compared with the prior art, the invention has the beneficial effects that:
According to the invention, the position of the sliding frame is automatically adjusted conveniently according to the length of the silicon carbide pipe through the first motor, the driving frame and the bar frame, so that the extrusion plate can initially press and position the silicon carbide pipe, the design of the auxiliary spring can provide a certain buffer space and a certain moving space for the extrusion plate, the design of the auxiliary assembly can provide an air source by using the air pump, air can be quickly filled into the sealing cylinder, the moving distance of the piston rod is controlled, the plurality of groups of overturning plates can be driven to rotate under the assistance of the auxiliary toothed plate, the first gear, the second gear and the synchronous wheel, the design of the second spring can provide a certain moving space for the arc block, the moving position of the arc block can be quickly known by using the displacement sensor, so that the arc block can be conveniently and quickly extruded and positioned by using the plurality of groups of overturning plates and the arc block to the inner wall of the silicon carbide pipe, the silicon carbide pipe can be conveniently and quickly positioned in a centering state, at the moment, the stability of the silicon carbide pipe is improved when positioned by using the fixing mode of various forms and directions of internal and external combination, and the stability of the silicon carbide pipe is improved.
In the invention, the silicon carbide pipe is gradually in a centering state when being positioned by arranging the supporting component, the silicon carbide pipe which is pressed downwards at the moment can drive the top frame and the movable frame to synchronously move downwards and compress the third spring, the locking structure consisting of the third gear, the fixed toothed plate, the ratchet wheel, the pawl, the fourth spring, the locking bolt and the baffle can limit the downwards moving top frame, so that the silicon carbide pipe is prevented from resetting under the elastic resilience action of the third spring, the top frame can be limited by the locking structure after the silicon carbide pipe is moved to the centering position, so that the silicon carbide pipe at the centering position is stably supported according to the size of the silicon carbide pipe, and the elastic resilience of the fifth spring can be used for giving an pushing force to the vertical plate and the second roller to squeeze and position the front surface and the back surface of the silicon carbide pipe, and when the movable frame moves downwards, the U-shaped frame can move along with the movement, and can drive the pulling plate and the second circular plate to move inwards synchronously under the assistance of the fixed belt and the guide wheel, so as to reduce the distance between the pulling plate and the first circular plate, increase the resilience force of the fifth spring, further improve the limit effect of the vertical plate and the second roller on the silicon carbide tube, and the design of the second motor, the screw rod, the thread bush and the push plate is convenient for automatically adjusting the distance between two groups of movable frames, so as to support the whole silicon carbide tube better according to the whole length of the silicon carbide tube, the design of the first roller and the second roller can support and position the middle section of the silicon carbide tube without obstructing the rotation grinding of the silicon carbide tube, and can effectively avoid the silicon carbide tube from forming certain bending due to overlong length in the grinding process and avoid the position deviation of the silicon carbide tube, further improving the positioning effect on the silicon carbide tube.
Drawings
FIG. 1 is a schematic structural view of a grinding and clamping tool for silicon carbide products;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is a rear view of the structure of a grinding and clamping tool for silicon carbide products according to the present invention;
FIG. 4 is a partial side cross-sectional view of the structure of the support assembly of the present invention;
FIG. 5 is a partial cross-sectional view of the structure of the case of the present invention;
FIG. 6 is a partial cross-sectional view of the structure of the carriage, seal cartridge and silicon carbide tube of the present invention;
FIG. 7 is a partial cross-sectional view of the construction of the bar box and the roll-over panel of the present invention;
Fig. 8 is a partial cross-sectional view of the structure of the positioning seat of the present invention.
In the figure: 1. a support frame; 2. a carriage; 3. a disc; 4. an extrusion plate; 5. a T-shaped rod; 6. an auxiliary spring; 7. an annular toothed plate; 8. a third motor; 9. an auxiliary gear; 10. an auxiliary groove; 11. a sealing cylinder; 12. a first spring; 13. a piston rod; 14. a bar-shaped box; 15. a pushing block; 16. an auxiliary toothed plate; 17. a mounting shaft; 18. a first gear; 19. an auxiliary shaft; 20. a synchronizing wheel; 21. a second gear; 22. a lifting seat; 23. a second spring; 24. an arc-shaped block; 25. a displacement sensor; 26. a sloping plate; 27. an auxiliary lever; 28. a return spring; 29. an L-shaped tube; 30. a telescopic tube; 31. a limiting frame; 32. an exhaust pipe; 33. a T-shaped tube; 34. an air pump; 35. a first motor; 36. a bar frame; 37. a drive rack; 38. a mounting base; 39. a shielding frame; 40. a sixth spring; 41. a positioning seat; 42. a locking seat; 43. a riser; 44. a seventh spring; 45. a silicon carbide tube; 46. a movable frame; 47. an L-shaped frame; 48. a second motor; 49. a screw rod; 50. a thread sleeve; 51. a push plate; 52. a case; 53. a third spring; 54. a moving rack; 55. a top frame; 56. a first roller; 57. a U-shaped frame; 58. an extension plate; 59. a guide wheel; 60. a fixing belt; 61. a fixed cylinder; 62. a first circular plate; 63. a second circular plate; 64. a fifth spring; 65. pulling a plate; 66. a support rod; 67. a vertical plate; 68. a second roller; 69. fixing the toothed plate; 70. a T-shaped fixing plate; 71. a longitudinal axis; 72. a third gear; 73. a ratchet wheel; 74. a pawl; 75. a fourth spring; 76. a baffle; 77. a locking bolt; 78. a convex plate; 79. square columns; 80. and (5) turning over the plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a silicon carbide product grinding centre gripping frock, including braced frame 1, silicon carbide pipe 45 is located braced frame 1, the both sides at braced frame 1 top slide and are provided with carriage 2, the both sides at braced frame 1 back pass through the first motor 35 of mounting bracket fixedly connected with, the output shaft fixedly connected with driving frame 37 of first motor 35, the back fixedly connected with of carriage 2 and the bar frame 36 of driving frame 37 cooperation use, the top that carriage 2 is close to each other rotates and has installed disc 3, the side that disc 3 is close to each other all transversely inserts around and has multiunit T type pole 5, twine on each group T type pole 5 has auxiliary spring 6 and auxiliary spring 6's both ends fixed connection is on the bulge of disc 3 and T type pole 5, one end of the T-shaped rod 5 far away from the auxiliary spring 6 is fixedly connected with the extrusion disc 4, one side of the extrusion disc 4 close to each other is attached to the silicon carbide tube 45, the position of the sliding frame 2 is automatically adjusted conveniently according to the length of the silicon carbide tube 45 through the first motor 35, the driving frame 37 and the bar frame 36, the extrusion disc 4 can perform preliminary pressing positioning on the silicon carbide tube 45, the auxiliary spring 6 can provide a certain buffer space and a certain moving space for the extrusion disc 4, the right side of one group of discs 3 is fixedly connected with the annular toothed plate 7, the bottom of the right side of the one group of sliding frames 2 is fixedly connected with the third motor 8 through the positioning frame, the output shaft of the third motor 8 is fixedly connected with the auxiliary gear 9, the auxiliary gear 9 and the annular toothed plate 7 are meshed on one side close to each other, the annular toothed plate 7, the third motor 8 and the auxiliary gear 9 are arranged, the disc 3 is convenient to drive to rotate, the silicon carbide pipe 45 can be driven to integrally rotate, a user can conveniently grind the silicon carbide pipe 45 comprehensively, an auxiliary component matched with the silicon carbide pipe 45 is arranged on one side close to each other of the disc 3, the auxiliary component comprises a strip-shaped box 14 embedded in the center of one side close to each other of the disc 3, one end close to each other of the strip-shaped box 14 penetrates through the extrusion disc 4 and extends into the silicon carbide pipe 45, one side far away from each other of the disc 3 is fixedly connected with a sealing cylinder 11 through a bracket, the sealing cylinder 11 is internally provided with a piston rod 13 in a sliding way, one end of the piston rod 13, which is close to each other, penetrates into the strip-shaped box 14 and is fixedly connected with a push block 15, the push block 15 is arranged in the strip-shaped box 14 in a sliding way, one side, which is close to each other, of each group of the strip-shaped boxes 14 is fixedly connected with an auxiliary toothed plate 16, the inner side of each group of the strip-shaped boxes 14 is sequentially and longitudinally rotated along the left-right direction, two ends of each group of the installation shafts 17 are fixedly connected with a turnover plate 80, the two outer side groups of the installation shafts 17 are fixedly connected with a first gear 18, the inner side of the inner cavity of the strip-shaped box 14 is rotationally provided with an auxiliary shaft 19, the auxiliary shaft 19 and the two outer side groups of the installation shafts 17 are fixedly connected with a synchronous wheel 20, the surfaces of two adjacent groups of synchronous wheels 20 are in transmission connection through a synchronous belt, the auxiliary shaft 19 and the two inner groups of mounting shafts 17 are fixedly connected with second gears 21, one sides of the two adjacent groups of second gears 21, which are close to each other, are meshed, the auxiliary assembly further comprises first springs 12 symmetrically fixed on one sides, which are far away from each other, of the piston rods 13 along the front-back direction, one ends, which are far away from the piston rods 13, of the first springs 12 are fixedly connected with the outer sides of the inner cavities of the sealing drums 11, one ends, which are far away from each other, of the sealing drums 11 are rotatably provided with L-shaped pipes 29, limiting frames 31 are fixedly connected with the L-shaped pipes 29, the limiting frames 31 are fixed on the sliding frames 2, one ends, which are far away from the sealing drums 11, of the L-shaped pipes 29 are communicated with telescopic pipes 30, an air pump 34 is fixedly connected in the supporting frame 1, the air outlet end of the air pump 34 is communicated with a T-shaped pipe 33, the two ends of the T-shaped pipe 33 are communicated with the telescopic pipe 30, the outer sides of the front and back surfaces of each group of sealing barrels 11 are communicated with an exhaust pipe 32, electromagnetic valves are arranged on the exhaust pipes 32, chambers are arranged at the top and the bottom of each group of overturning plates 80, a plurality of groups of second springs 23 are fixedly connected in the chambers, one end of each second spring 23 is fixedly connected with a lifting seat 22, the lifting seat 22 is arranged in the chamber in a sliding manner, one end of each lifting seat 22 far away from each second spring 23 penetrates through the overturning plate 80 and is fixedly connected with an arc block 24 matched with a silicon carbide pipe 45, the displacement sensor 25 matched with the inner side of the cavity is embedded at one side of the upper and lower lifting seats 22, which is close to each other, the design of the auxiliary assembly is convenient for utilizing a plurality of groups of overturning plates 80 and arc blocks 24 to rapidly extrude and position the inner wall of the silicon carbide tube 45, and can promote the silicon carbide tube 45 to be in a centered state, thereby facilitating the subsequent grinding operation, at the moment, the stability of the silicon carbide tube 45 during positioning is improved by utilizing the fixing mode of various modes and directions combined inside and outside, the positioning effect of the silicon carbide tube 45 is improved, the inclined plates 26 are fixedly connected at one side of the inner four groups of arc blocks 24 which is close to each other, a plurality of groups of auxiliary rods 27 are sequentially inserted on each group of inclined plates 26 along the front and rear directions, the two ends of each group of auxiliary rods 27 are sequentially and fixedly connected with a ball and a bottom plate along the up-down direction, the ball is attached to the inner wall of the silicon carbide tube 45, the reset spring 28 is wound on each group of auxiliary rods 27, the two ends of the reset spring 28 are fixed on one side of the inclined plate 26 and one side of the bottom plate, which are close to each other, the inclined plate 26, the auxiliary rods 27 and the reset spring 28 are designed so as to facilitate the utilization of the elastic resilience of the reset spring 28, the inner wall of the silicon carbide tube 45 is further extruded and positioned, the positioning effect on the silicon carbide tube 45 is improved, the support frame 1 is provided with a support assembly matched with the silicon carbide tube 45, the support assembly comprises two groups of movable frames 46 symmetrically sliding on the support frame 1 along the left-right direction, the back of the top of the supporting frame 1 is fixedly connected with an L-shaped frame 47, a screw rod 49 is rotatably arranged in the L-shaped frame 47, the bottom end of the screw rod 49 is rotatably arranged on the supporting frame 1, a second motor 48 is fixedly connected on the L-shaped frame 47, the output shaft of the second motor 48 is fixed on the screw rod 49, a thread bush 50 is connected on the screw rod 49 in a threaded manner, both sides of the thread bush 50 are rotatably provided with a push plate 51, one end of the push plate 51 away from the thread bush 50 is rotatably arranged on the back of the movable frame 46, which is close to each other, the bottom of the inner cavity of the movable frame 46 is fixedly connected with a box 52, the bottom of the inner cavity of the box 52 is uniformly and fixedly connected with a plurality of groups of third springs 53, the movable frame 54 is arranged in the box body 52 in a sliding manner, the bottom of the movable frame 54 is fixed on the third spring 53, the top end of the movable frame 54 penetrates through the box body 52 and is fixedly connected with the top frame 55, a plurality of groups of first idler wheels 56 matched with the silicon carbide tubes 45 are rotatably arranged in each group of top frames 55 along the front-back direction, the whole adjacent plurality of groups of first idler wheels 56 is of an arc-shaped structure, vertical grooves are formed in the front surface and the back surface of the box body 52, a U-shaped frame 57 matched with the vertical grooves is fixedly connected to the front surface and the back surface of the movable frame 54, extension plates 58 are fixedly connected to the top parts of the front surface and the back surface of the box body 52, one ends of the extension plates 58 far away from each other are fixed on the front surface and the back surface of an inner cavity of the movable frame 46, the support assembly further comprises a fixed toothed plate 69 fixed on the right side of the top of the U-shaped frame 57, a T-shaped fixed plate 70 and a mounting plate are sequentially and fixedly connected to the right side, close to each other, of the extending plate 58 along the front-rear direction, a longitudinal shaft 71 is rotatably arranged on one side, close to each other, of the T-shaped fixed plate 70, a ratchet wheel 73 and a third gear 72 are sequentially and fixedly connected to the longitudinal shaft 71 along the front-rear direction, the third gear 72 is meshed with one side, close to each other, of the fixed toothed plate 69, a butt joint shaft is longitudinally and rotatably arranged on the T-shaped fixed plate 70, a baffle 76 and a pawl 74 matched with the ratchet wheel 73 are sequentially and fixedly connected to two ends of the butt joint shaft along the front-rear direction, the right side of the pawl 74 is symmetrically and fixedly connected with a plurality of groups of fourth springs 75 along the front-back direction, one ends of the fourth springs 75 are fixed on a T-shaped fixed plate 70, the T-shaped fixed plate 70 is connected with locking bolts 77 matched with a baffle plate 76 through nuts and threads, two sides of the top of the supporting frame 1 are respectively provided with auxiliary grooves 10 matched with the telescopic tube 30, the front surface of the T-shaped fixed plate 70 is fixedly connected with a convex plate 78 matched with the baffle plate 76, the design of the auxiliary grooves 10 avoids influencing the normal movement of the telescopic tube 30, the convex plate 78 is designed to limit the baffle plate 76, the tops of the front surface and the back surface of the movable frame 46 are embedded with fixed cylinders 61, a first circular plate 62 and a second circular plate 63 are sequentially arranged in the fixed cylinder 61 in a sliding manner from inside to outside, a plurality of groups of fifth springs 64 are fixedly connected to one side, close to each other, of the first circular plate 62, a plurality of groups of supporting rods 66 are uniformly and fixedly connected to one side, close to each other, of the first circular plate 62, a vertical plate 67 is fixedly connected to one end, close to each other, of each supporting rod 66, a second roller 68 matched with the silicon carbide tube 45 is rotatably arranged at the top, close to each other, of the vertical plate 67, a pulling plate 65 is fixedly connected to one side, far from each other, of the second circular plate 63, a fixing belt 60 is fixedly connected to one end, far from the second circular plate 63, of the pulling plate 65, a guide wheel 59 matched with the fixing belt 60 is arranged on each of the extending plate 58 and the movable frame 46, the fixing belt 60 is fixed on the U-shaped frame 57 at one end far away from the pulling plate 65, and by arranging the supporting component, the whole silicon carbide tube 45 is better supported according to the whole length of the silicon carbide tube 45, and the first roller 56 and the second roller 68 can support and position the middle section of the silicon carbide tube 45 without obstructing the rotation grinding of the silicon carbide tube 45 and can effectively avoid the silicon carbide tube 45 from forming certain bending due to overlong length in the grinding process, avoid the silicon carbide tube 45 from generating position deviation, further improve the positioning effect of the silicon carbide tube 45, the right side of the supporting frame 1 is provided with a control box, the other group of sliding frames 2 is fixedly connected with a mounting seat 38, the mounting seat 38 is rotatably provided with a shielding frame 39, the left side of the top of the mounting seat 38 is fixedly connected with a sixth spring 40, the top end of the sixth spring 40 is fixed on the shielding frame 39, the sixth spring 40 is convenient for assisting the shielding frame 39 to turn over and reset, the left bottom of the shielding frame 39 is transversely inserted with a locking seat 42, the left side of the locking seat 42 is fixedly connected with a vertical plate 43, the locking seat 42 is wound with a seventh spring 44, the two ends of the seventh spring 44 are fixed on one side of the vertical plate 43 and the shielding frame 39 which are close to each other, the left side fixedly connected with of another group of disc 3 is with the positioning seat 41 that locking seat 42 used in cooperation, the top fixedly connected with of the left side a set of extrusion dish 4 left side is with the square column 79 that uses in cooperation with riser 43, utilize the elasticity resilience of seventh spring 44, can make locking seat 42 insert fast and establish in positioning seat 41, so as to fix a position disc 3 fast, avoid carborundum pipe 45 when not preliminarily fixing disc 3 rotation at will, and extrusion dish 4 gradually extrudees carborundum pipe 45, can promote the square column 79 and riser 43 contact, and promote riser 43 to remove, so that with locking seat 42 and positioning seat 41 break away from fast, release the locked state.
Working principle: the user installs the external grinding device capable of shifting left and right on the front surface of the supporting frame 1 in advance, then the user starts the second motor 48 through the control box, at this time, the second motor 48 drives the screw rod 49 to rotate, so as to drive the screw sleeve 50 to move up and down on the screw rod 49, the extending structure on the back surface of the screw sleeve 50 limits the screw sleeve 50, at this time, the downward moving screw sleeve 50 drives the push plate 51 to swing towards two sides, further the positions of the two groups of movable frames 46 are changed according to the length of the silicon carbide tube 45, then the user places the silicon carbide tube 45 on the first roller 56, at this time, elastic resilience of the fifth spring 64 is utilized, the second roller 68 can be made to be attached to the silicon carbide tube 45, at this time, the user opens the first motor 35 through the control box, at this time, the first motor 35 drives the driving frame 37 to move in the bar frame 36, so as to drive the bar frame 36 and the sliding frame 2 to move synchronously, until the pressing plate 4 contacts with two ends of the silicon carbide tube 45 and forms a certain pressing force on the silicon carbide tube 45, at this time, the square column 79 will follow the movement, and push the vertical plate 43 to move, so that the locking seat 42 is separated from the positioning seat 41, and the elastic resilience of the sixth spring 40 is utilized, the shielding frame 39 can be driven to swing upwards to reset, the locking state of the disc 3 is released, and the elastic resilience of the auxiliary spring 6 is utilized, a certain buffer space and a certain moving space can be given to the extruding disc 4, then a user starts the air pump 34 through the control box, the air pump 34 rapidly fills external air into the sealing cylinder 11 through the T-shaped tube 33, the telescopic tube 30 and the L-shaped tube 29 and pushes the piston rod 13 to move synchronously, the piston rod 13 drives the auxiliary toothed plate 16 to move, the first gear 18 is meshed with the auxiliary toothed plate 16 at the moment, the adjacent two groups of mounting shafts 17 can be driven to rotate synchronously and reversely under the assistance of the transmission of the synchronous wheel 20 and the meshing of the second gear 21, the arc-shaped blocks 24 are contacted with the inner wall of the silicon carbide tube 45 in advance during rotation and rotate along with the rotation, the arc block 24 is continuously retracted, the lifting seat 22 can be driven to move inwards and compress the second spring 23, the displacement sensor 25 monitors the moving distance of the arc block 24 in real time, when the displacement sensor 25 detects that the arc block moves to a preset optimal position, the arc block 24 is contacted with the overturning plate 80, the overturning plate 80 is overturned to an optimal angle, the inner wall of the silicon carbide tube 45 is rapidly extruded and positioned by utilizing a plurality of groups of the overturning plate 80 and the arc block 24, the silicon carbide tube 45 can be caused to be in a centered state at the moment, the stability of the silicon carbide tube 45 during positioning is improved by utilizing a fixing mode of various modes and directions combined inside and outside at the moment, the silicon carbide tube 45 is gradually in a centered state while being positioned, the silicon carbide tube 45 pressed downwards at this time drives the top frame 55 and the moving frame 54 to synchronously move downwards and compress the third spring 53, the U-shaped frame 57 drives the fixed toothed plate 69 and the fixed belt 60 to synchronously move downwards, the third gear 72, the fixed toothed plate 69, the ratchet wheel 73, the pawl 74 and the fourth spring 75 can form a locking structure, the downwards moved top frame 55 is limited to avoid resetting under the elastic resilience of the third spring 53, after the silicon carbide tube 45 moves to a centered position, a user rotates the locking bolt 77 to position the baffle 76 by utilizing the extrusion force, so as to limit the top frame 55 and the first roller 56, so as to stably support the centrally positioned silicon carbide tube 45 according to the size of the silicon carbide tube 45, the fixing belt 60 can drive the pulling plate 65 and the second circular plate 63 to move inwards synchronously under the assistance of the direction change of the guide wheel 59, the distance between the fixing belt 60 and the first circular plate 62 is reduced, the resilience force of the fifth spring 64 is increased at the moment, the limit effect of the vertical plate 67 and the second roller 68 on the silicon carbide tube 45 is further improved, meanwhile, the design of the first roller 56 and the second roller 68 can support and position the middle section of the silicon carbide tube 45 without obstructing the rotary grinding of the silicon carbide tube 45, at this time, the user turns on the third motor 8, and drives the disc 3 and the silicon carbide tube 45 to rotate by using the engagement of the auxiliary gear 9 and the annular toothed plate 7, and then the user starts the grinding operation of the silicon carbide tube 45 by using the grinding device preloaded on the support frame 1.
However, as well known to those skilled in the art, the working principles and wiring methods of the first motor 35, the second motor 48, the third motor 8, the air pump 34, the displacement sensor 25, the electromagnetic valve and the control box are common, which are all conventional means or common general knowledge, and are not described herein in detail, and any optional matching can be performed according to the needs or convenience of those skilled in the art.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Silicon carbide goods grinding centre gripping frock, including braced frame (1), silicon carbide pipe (45) are located braced frame (1), its characterized in that: the utility model discloses a sliding frame, which is characterized in that a sliding frame (2) is slidably arranged on two sides of the top of a supporting frame (1), two sides of the back of the supporting frame (1) are fixedly connected with a first motor (35) through a mounting frame, an output shaft of the first motor (35) is fixedly connected with a driving frame (37), the back of the sliding frame (2) is fixedly connected with a bar-shaped frame (36) matched with the driving frame (37), the top of the sliding frame (2) which is mutually close is rotationally provided with a disc (3), a plurality of groups of T-shaped rods (5) are transversely inserted around one sides of the disc (3) which are mutually close, each group of T-shaped rods (5) is wound with an auxiliary spring (6), two ends of the auxiliary spring (6) are fixedly connected to the disc (3) and the protruding parts of the T-shaped rods (5), one end of each T-shaped rod (5) away from the auxiliary spring (6) is fixedly connected with an extrusion disc (4), one side, close to each other, of each extrusion disc (4) is attached to a silicon carbide tube (45), one side, close to each other, of each disc (3) is provided with an auxiliary assembly matched with the silicon carbide tube (45), the auxiliary assembly comprises a strip-shaped box (14) embedded in the center of one side, close to each other, of the strip-shaped boxes (14) penetrates through the extrusion disc (4) and extends into the silicon carbide tube (45), one side that disc (3) kept away from each other is through support fixedly connected with seal tube (11), be provided with piston rod (13) in the slip of seal tube (11), the one end that piston rod (13) are close to each other runs through in bar case (14) and fixedly connected with ejector pad (15), one side that ejector pad (15) are close to each other is fixedly connected with supplementary pinion rack (16), every group bar case (14) inboard is along controlling the longitudinal rotation in proper order and is installed installation axle (17), every group installation axle (17) both ends all fixedly connected with upset board (80), outside two sets of all fixedly connected with first gear (18) on installation axle (17), an auxiliary shaft (19) is rotatably arranged on the inner side of the inner cavity of the strip-shaped box (14), synchronous wheels (20) are fixedly connected to the auxiliary shaft (19) and the two groups of outer mounting shafts (17), the surfaces of two adjacent groups of synchronous wheels (20) are in transmission connection through synchronous belts, a second gear (21) is fixedly connected to the auxiliary shaft (19) and the two groups of inner mounting shafts (17), the two adjacent groups of second gears (21) are meshed on one side, which is close to each other, of the auxiliary assembly, a first spring (12) is symmetrically fixed on one side, which is far away from each other, of a piston rod (13) along the front-rear direction, one end, which is far away from the piston rod (13), of the first spring (12) is fixedly connected to the outer side of the inner cavity of the sealing cylinder (11), the utility model discloses a sealing device, which is characterized in that one end of a sealing cylinder (11) far away from each other is rotatably provided with an L-shaped pipe (29), a limiting frame (31) is fixedly connected on the L-shaped pipe (29) and the limiting frame (31) is fixed on a sliding frame (2), one end of the L-shaped pipe (29) far away from the sealing cylinder (11) is communicated with a telescopic pipe (30), an air pump (34) is fixedly connected in a supporting frame (1), the air outlet end of the air pump (34) is communicated with a T-shaped pipe (33) and two ends of the T-shaped pipe (33) are communicated on the telescopic pipe (30), the outer sides of the front side and the back side of each sealing cylinder (11) are communicated with an exhaust pipe (32), an electromagnetic valve is arranged on the exhaust pipe (32), the top and the bottom of each group of turnover plates (80) are provided with chambers, a plurality of groups of second springs (23) are fixedly connected in the chambers, one end of each second spring (23) is fixedly connected with a lifting seat (22), one end of each lifting seat (22) far away from each second spring (23) penetrates through the turnover plates (80) and is fixedly connected with an arc block (24) matched with a silicon carbide tube (45), one side, close to each other, of each lifting seat (22) is embedded with a displacement sensor (25) matched with the inner side of the chamber, a supporting assembly matched with the silicon carbide tube (45) is arranged on the supporting frame (1), the support assembly comprises two groups of movable frames (46) symmetrically arranged on the support frame (1) in a sliding manner along the left-right direction, the back surface of the top of the support frame (1) is fixedly connected with an L-shaped frame (47), a screw rod (49) is rotationally arranged in the L-shaped frame (47), a second motor (48) is fixedly connected to the L-shaped frame (47), an output shaft of the second motor (48) is fixed on the screw rod (49), a thread sleeve (50) is connected to the screw rod (49) in a threaded manner, a push plate (51) is rotationally arranged at two sides of the thread sleeve (50) and one end, far away from the thread sleeve (50), of the push plate (51) is rotationally arranged on the back surface, close to the movable frames (46), the bottom of the inner cavity of the movable frame (46) is fixedly connected with a box body (52), the bottom of the inner cavity of the box body (52) is uniformly and fixedly connected with a plurality of groups of third springs (53), a movable frame (54) is arranged in the box body (52) in a sliding manner, the bottom of the movable frame (54) is fixed on the third springs (53), the top end of the movable frame (54) penetrates through the box body (52) and is fixedly connected with a top frame (55), a plurality of groups of first rollers (56) matched with the silicon carbide tubes (45) are rotatably arranged in each group of top frames (55) along the front and back directions, vertical grooves are formed in the front and back surfaces of the box body (52), the front and back of the movable frame (54) are fixedly connected with a U-shaped frame (57) which is matched with the vertical groove, the tops of the front and back of the box body (52) are fixedly connected with an extension plate (58), one far ends of the extension plate (58) are fixed on the front and back of an inner cavity of the movable frame (46), the support assembly further comprises a fixed toothed plate (69) fixed on the right side of the top of the U-shaped frame (57), the right sides of the extension plate (58) which are close to each other are sequentially and fixedly connected with a T-shaped fixed plate (70) and a mounting plate along the front and back direction, one sides of the T-shaped fixed plate (70) and the mounting plate which are close to each other are rotationally provided with a longitudinal shaft (71), the vertical shaft (71) is sequentially and fixedly connected with a ratchet wheel (73) and a third gear (72) along the front-back direction, the third gear (72) is meshed with one side of a fixed toothed plate (69) which is close to each other, a butt joint shaft is longitudinally arranged on the T-shaped fixed plate (70) in a rotating mode, two ends of the butt joint shaft are sequentially and fixedly connected with a baffle plate (76) and a pawl (74) matched with the ratchet wheel (73) in the front-back direction, the right side of the pawl (74) is symmetrically and fixedly connected with a plurality of groups of fourth springs (75) along the front-back direction, one ends of the fourth springs (75) are fixed on the T-shaped fixed plate (70), a locking bolt (77) matched with the baffle plate (76) is connected on the T-shaped fixed plate (70) through a nut thread, the top of the front surface and the back surface of the movable frame (46) are embedded with a fixed cylinder (61), a first circular plate (62) and a second circular plate (63) are sequentially arranged in the fixed cylinder (61) in a sliding manner from inside to outside, a plurality of groups of fifth springs (64) are fixedly connected to one sides of the first circular plate (62) and the second circular plate (63) which are close to each other, a plurality of groups of supporting rods (66) are uniformly and fixedly connected to one sides of the first circular plate (62) which are close to each other, one ends of the supporting rods (66) which are close to each other are fixedly connected with a vertical plate (67), the top of the vertical plate (67) which is close to each other is rotationally provided with a second roller (68) which is matched with the silicon carbide tube (45), one side that second plectane (63) kept away from each other is fixedly connected with arm-tie (65), one end fixedly connected with fixed band (60) that arm-tie (65) kept away from second plectane (63), all be provided with on extension board (58) and movable frame (46) with fixed band (60) cooperation guide pulley (59) of using, one end that arm-tie (65) was kept away from to fixed band (60) is fixed on U type frame (57).
2. The silicon carbide product grinding and clamping tool according to claim 1, wherein: the right side of the disc (3) is fixedly connected with an annular toothed plate (7), the bottom of the right side of the sliding frame (2) is fixedly connected with a third motor (8) through a locating frame, an output shaft of the third motor (8) is fixedly connected with an auxiliary gear (9), and the auxiliary gear (9) is meshed with one side, close to the annular toothed plate (7), of the disc.
3. The silicon carbide product grinding and clamping tool according to claim 1, wherein: the other group fixedly connected with mount pad (38) on carriage (2), install shielding frame (39) on mount pad (38) rotation, the left side fixedly connected with sixth spring (40) at mount pad (38) top and the top of sixth spring (40) are fixed on shielding frame (39), the horizontal locking seat (42) that inserts in bottom in shielding frame (39) left side, the left side fixedly connected with riser (43) of locking seat (42), the winding has seventh spring (44) and the both ends of seventh spring (44) are fixed in one side that riser (43) and shielding frame (39) are close to each other on locking seat (42), a set of in addition the left side fixedly connected with of disc (3) and locating seat (41) that locking seat (42) cooperation was used, a set of left side the left top fixedly connected with of extrusion dish (4) and riser (43) cooperation are used square post (79).
4. The silicon carbide product grinding and clamping tool according to claim 1, wherein: one side fixedly connected with swash plate (26) that four sets of arc pieces in inboard (24) are two-phase to be close to, every group insert in proper order along fore-and-aft direction on swash plate (26) and be equipped with multiunit auxiliary rod (27), every group auxiliary rod (27) both ends are along upper and lower direction fixedly connected with ball and bottom plate in proper order, and the ball laminating is on the inner wall of carborundum pipe (45), every group on auxiliary rod (27) winding has reset spring (28) and reset spring's (28) both ends are fixed in swash plate (26) and one side that the bottom plate is close to each other.
5. The silicon carbide product grinding and clamping tool according to claim 1, wherein: auxiliary grooves (10) matched with the telescopic pipes (30) are formed in two sides of the top of the supporting frame (1), and a convex plate (78) matched with the baffle plate (76) is fixedly connected to the front face of the T-shaped fixing plate (70).
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| CA1165339A (en) * | 1980-05-14 | 1984-04-10 | Carl T. Argenbright | Precision work holder for machine tools |
| CN108907947A (en) * | 2018-06-28 | 2018-11-30 | 张日胜 | A kind of construction scaffolding steel pipe derusting device based on spinning rubbing action |
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|---|---|---|---|---|
| JP2000317756A (en) * | 1999-04-30 | 2000-11-21 | Toshiba Ceramics Co Ltd | Workpiece gripping device |
| IT1403603B1 (en) * | 2010-12-22 | 2013-10-31 | Tenova Spa | IMPROVED GRINDING MACHINE AND GRINDING METHOD |
| CN202934419U (en) * | 2012-08-22 | 2013-05-15 | 天津永盛泰鑫塑业有限公司 | Edge grinding machine for machining steel wire gauze framework composite tubular products |
| KR102312038B1 (en) * | 2020-03-17 | 2021-10-14 | 대한민국 | Grinding Apparatus for Inside Diameter of Ship Propulsion Shaft |
| CN112091275A (en) * | 2020-09-23 | 2020-12-18 | 李波 | Machining operation platform for machining box parts |
| CN112276178B (en) * | 2020-10-22 | 2021-04-30 | 中国兵器工业集团江山重工研究院有限公司 | Directional pipe mills square frame device |
| CN116276353A (en) * | 2023-03-10 | 2023-06-23 | 久研轴承科技(安徽)有限公司 | High-precision machining device and method for inner diameter surface of bearing |
| CN116604308A (en) * | 2023-06-20 | 2023-08-18 | 河源汇联气体有限公司 | Insert tool device suitable for liquid nitrogen cold fitting installation |
| CN116551024B (en) * | 2023-07-10 | 2023-11-07 | 河北科技大学 | Highway traffic guardrail processing device and processing method thereof |
| CN117020792B (en) * | 2023-10-10 | 2023-12-19 | 潍坊百德机械设备有限公司 | Silicon carbide product grinding device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1165339A (en) * | 1980-05-14 | 1984-04-10 | Carl T. Argenbright | Precision work holder for machine tools |
| CN108907947A (en) * | 2018-06-28 | 2018-11-30 | 张日胜 | A kind of construction scaffolding steel pipe derusting device based on spinning rubbing action |
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