CN116851835A - Riser cutting device for steel castings - Google Patents
Riser cutting device for steel castings Download PDFInfo
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- CN116851835A CN116851835A CN202310919838.XA CN202310919838A CN116851835A CN 116851835 A CN116851835 A CN 116851835A CN 202310919838 A CN202310919838 A CN 202310919838A CN 116851835 A CN116851835 A CN 116851835A
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- 238000005266 casting Methods 0.000 title claims abstract description 34
- 238000005520 cutting process Methods 0.000 title claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 229910001208 Crucible steel Inorganic materials 0.000 claims description 3
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 208000013201 Stress fracture Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D45/00—Sawing machines or sawing devices with circular saw blades or with friction saw discs
- B23D45/003—Sawing machines or sawing devices with circular saw blades or with friction saw discs for particular purposes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D47/00—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts
- B23D47/02—Sawing machines or sawing devices working with circular saw blades, characterised only by constructional features of particular parts of frames; of guiding arrangements for work-table or saw-carrier
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sawing (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a steel casting riser cutting device which comprises a shell, wherein a processing cavity is arranged in the shell, a through hole penetrating the shell is formed in the upper side surface of the processing cavity, a motor is fixedly arranged on the upper side surface of the shell, a main shaft which passes through the through hole and extends into the processing cavity is arranged on the lower side surface of the motor.
Description
Technical Field
The invention relates to the technical field of cutting, in particular to a steel casting riser cutting device.
Background
The riser is a supplementary part which is added above or on the side surface of the casting to avoid defects of the casting, and the riser is required to be cut before finishing;
because the positions of the risers of different steel castings are different, the conventional method for cutting the risers is generally manual cutting, the whole steel casting is scrapped due to easy over-cutting, the method is easy to hurt staff, and the riser is easy to break in advance to form burrs when the riser is about to separate castings no matter the riser is cut manually or is cut automatically by a high-end machine tool.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide a steel casting riser cutting device, which adopts the following technical scheme:
the invention relates to a steel casting riser cutting device, which comprises a machine shell, wherein a machining cavity is arranged in the machine shell, a through hole penetrating through the machine shell is arranged in the upper side surface of the machining cavity, a motor is fixedly arranged on the upper side surface of the machine shell, a main shaft which passes through the through hole and extends into the machining cavity is arranged on the lower side surface of the motor, a saw blade is arranged on the main shaft through a height adjusting mechanism, the saw blade can be vertically adjusted within a certain range by the height adjusting mechanism, a connecting cavity is arranged in the ring surface of the through hole, a shaft cavity communicated with the connecting cavity is arranged in the machine shell, the shaft cavity is positioned on the right side of the machining cavity, a speed adjusting shaft is rotationally connected with the lower side surface of the shaft cavity, the speed adjusting shaft is connected with the main shaft through a synchronous belt, a driving groove penetrating into the machining cavity is arranged in the left side surface of the shaft cavity, the side of the driving groove is provided with a supporting frame, the processing cavity is internally and horizontally connected with a bearing plate in a sliding manner, the bearing plate is internally and horizontally provided with a through connecting hole, the ring surface of the connecting hole is fixedly provided with a screw rod block, the supporting frame is internally and rotationally connected with a reciprocating screw rod which extends into the connecting hole and is connected with the screw rod block, the reciprocating screw rod is provided with a selective driving mechanism, the selective driving mechanism enables the reciprocating screw rod to be controllably driven to rotate by a speed regulating shaft, the upper side of the bearing plate is internally provided with a chute, the chute is internally and horizontally connected with a placement table in a sliding manner, the placement table is provided with a clamp, the placement table is provided with a fixing mechanism, the fixing mechanism can prevent a riser from falling off in advance to enable burrs to appear at a casting cutting position, the left side of the processing cavity is internally provided with an inlet and an outlet, the upper side of the inlet and the outlet is internally provided with an upper cavity, and the upper cavity is connected with a safety door which can block the inlet and the outlet in a vertical sliding way, and a safety mechanism which can automatically enable the safety door to move according to the state of the reciprocating screw rod is arranged in the machine shell.
Further, the selection driving mechanism comprises a ring groove arranged in the ring surface of the reciprocating screw rod, a vertical bevel gear is connected in the ring groove in a left-right sliding manner, the vertical bevel gear is connected to the left side surface of the ring groove through a plurality of first springs, a first electromagnet is arranged in the left side surface of the ring groove, and a transverse bevel gear which can be matched with the vertical bevel gear is arranged on the ring surface of the speed regulating shaft.
Further, the fixed establishment is including locating the fixed plate of thing platform upside, the leading flank of fixed plate is equipped with the spring board, the downside of spring board is connected with the pressure plate through No. two springs, be equipped with No. two electromagnets in the spring board, be equipped with pressure sensor in the left surface of spout.
Further, the safety mechanism comprises a piston cavity arranged in the casing, a communication hole penetrating through the driving groove is arranged in the upper side surface of the piston cavity, a rotating shaft is rotationally connected to the communication hole, the rotating shaft extends into the driving groove and is connected with the reciprocating screw rod through a bevel gear set, the rotating shaft extends to the lower end of the piston cavity, a rotary table is fixedly arranged on the lower side surface of the rotary table, a short shaft is arranged on the outer side of the lower side surface of the rotary table, a piston is connected to the bevel gear set in a front-back sliding manner, and a connecting rod hinged to the front side surface of the piston is rotationally connected to the short shaft.
Further, be equipped with the gas jacket in the last side of upper chamber, be equipped with the decurrent air cavity of opening in the gas jacket, the last side of emergency exit has set firmly and has extended to the gas pole in the air cavity, be equipped with in the trailing flank of piston chamber and communicate to the venthole in the air cavity, and be equipped with the check valve No. one in the venthole, be equipped with the inlet port in the side of air cavity, the aperture of inlet port is less than the aperture of venthole, be equipped with exhaust hole and the air vent that link up backward in the trailing flank of piston chamber, be equipped with No. two check valves in the exhaust hole, be equipped with the ball valve in the air vent.
Further, the height-adjusting mechanism comprises a rectangular groove arranged in the lower side of the main shaft, a support column extending to the lower side of the rectangular groove is connected in a sliding manner in the rectangular groove, two clamping plates are fixedly arranged on the support column, the saw blade is clamped between the two clamping plates, a right through sliding hole is arranged in the right side face of the rectangular groove, a limit groove is arranged in the ring face of the sliding hole, the axis of the sliding hole is used as the center, a plurality of limit holes are formed in the right side face of the limit groove at equal angles, a tooth slot is arranged in the right side face of the support column, a rack is fixedly arranged on the side face of the tooth slot, a control shaft is connected in a rotating manner in the sliding hole, a gear which can be meshed with the rack is fixedly connected on the ring face of the control shaft, a limit disc which can be matched with the limit hole is fixedly arranged on the right side face of the control shaft, and a rotary ring is connected on the left side face of the limit groove in a rotary manner, and the rotary ring is connected to the left side face of the limit disc through three numbers of the limit spring.
Further, an irregular hole is formed in the right side face of the control shaft, a poking handle which can be matched with the irregular hole is arranged on the right side face of the casing through a placement frame, and a limiting plate which can prevent the gear from losing meshing relation with the rack is arranged in the side face of the tooth slot.
Compared with the prior art, the invention has the following beneficial effects: the invention can realize riser cutting work of multi-specification steel castings by adjusting the height of the saw blade, and the clamp used for clamping the steel castings in the invention can move outside the shell so as to facilitate the clamping work of the steel castings by staff;
the invention can press the riser part when cutting work is performed, and avoid the defects of burrs and the like caused by stress fracture when the riser is not completely cut;
the safety door is arranged, and can be automatically opened or closed according to the positions of the bearing plate and the steel casting positioned on the bearing plate, so that the safety of staff is ensured.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the structure of the driving slot in FIG. 1;
FIG. 3 is a schematic view of the structure of A-A in FIG. 2;
FIG. 4 is a schematic view of the structure of the carrier plate in FIG. 1;
FIG. 5 is a schematic view of the structure at the upper chamber of FIG. 1;
FIG. 6 is a schematic view of the structure at the support column of FIG. 1;
in the figure:
11. a housing; 12. a processing chamber; 13. a motor; 14. a main shaft; 15. a saw blade; 16. a connecting cavity; 17. a shaft cavity; 18. a speed regulating shaft; 19. a synchronous belt; 20. a driving groove; 21. a reciprocating screw; 22. a carrying plate; 23. a screw block; 24. a turntable; 28. a chute; 29. a storage table; 30. a clamp; 31. an inlet and an outlet; 32. an upper chamber; 33. a safety door; 34. a ring groove; 35. vertical bevel gears; 36. a first electromagnet; 37. a transverse bevel gear; 38. a fixing plate; 39. pressing the plate; 40. a spring plate; 41. a second electromagnet; 42. a pressure sensor; 43. a piston chamber; 44. a communication hole; 45. a rotating shaft; 46. a bevel gear set; 47. a piston; 48. a short shaft; 49. a connecting rod; 50. an air jacket; 51. an air cavity; 52. an air bar; 53. an air outlet hole; 54. an air inlet hole; 55. an exhaust hole; 56. a vent hole; 57. rectangular grooves; 58. a support column; 59. a slide hole; 60. a limit groove; 61. a rack; 62. a control shaft; 63. a limiting disc; 64. a swivel; 101. a height adjusting mechanism; 102. selecting a driving mechanism; 103. a fixing mechanism; 104. a safety mechanism.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, in which the following examples are given only for the purpose of more clearly illustrating the technical solutions of the present invention, but are not to be construed as limiting the scope of the present invention, and all other examples obtained by those skilled in the art without making any inventive effort are within the scope of the present invention:
referring to fig. 1 to 6, a riser cutting device for a cast steel according to an embodiment of the present invention comprises a housing 11, a processing chamber 12 is provided in the housing 11, a through hole penetrating through the housing 11 is provided in an upper side surface of the processing chamber 12, a motor 13 is fixedly provided on an upper side surface of the housing 11, a spindle 14 extending into the processing chamber 12 through the through hole is mounted on a lower side surface of the motor 13, a saw blade 15 is mounted on the spindle 14 through a height adjusting mechanism 101, the height adjusting mechanism 101 can adjust the saw blade 15 up and down within a certain range, a connecting chamber 16 is provided in an annular surface of the through hole, a shaft chamber 17 communicating with the connecting chamber 16 is provided in the housing 11, the shaft chamber 17 is positioned on a right side of the processing chamber 12, a speed adjusting shaft 18 is rotatably connected to a lower side surface of the shaft chamber 17, the speed adjusting shaft 18 is connected with the spindle 14 through a synchronous belt 19, a driving groove 20 penetrating into the processing cavity 12 is arranged in the left side surface of the shaft cavity 17, a supporting frame is arranged on the side surface of the driving groove 20, a bearing plate 22 is connected in a left-right sliding way in the processing cavity 12, a connecting hole penetrating in the left-right way is arranged in the bearing plate 22, a screw rod block 23 is fixedly arranged on the ring surface of the connecting hole, a reciprocating screw 21 extending into the connecting hole and connected with the screw rod block 23 is connected in a rotating way in the supporting frame, a selective driving mechanism 102 is arranged on the reciprocating screw 21, the selective driving mechanism 102 enables the reciprocating screw 21 to be controllably driven to rotate by the speed regulating shaft 18, a sliding groove 28 is arranged in the upper side surface of the bearing plate 22, a storage table 29 is connected in a left-right sliding way in the sliding groove 28, a clamp 30 is arranged on the storage table 29, a fixing mechanism 103 is arranged on the storage table 29, the fixing mechanism 103 can prevent the riser from falling off in advance to enable burrs to appear at the cutting position of the casting, an inlet and outlet 31 is arranged in the left side face of the processing cavity 12, an upper cavity 32 is arranged in the upper side face of the inlet and outlet 31, a safety door 33 capable of blocking the inlet and outlet 31 is connected in the upper cavity 32 in a vertical sliding mode, and a safety mechanism 104 capable of automatically enabling the safety door 33 to move according to the state of the reciprocating screw 21 is arranged in the machine shell 11.
Still further, the selective driving mechanism 102 includes a ring groove 34 provided in the ring surface of the reciprocating screw 21, a vertical bevel gear 35 is slidingly connected in the ring groove 34, the vertical bevel gear 35 is connected to the left side surface of the ring groove 34 through a number one spring, a number one electromagnet 36 is provided in the left side surface of the ring groove 34, a transverse bevel gear 37 capable of being matched with the vertical bevel gear 35 is provided on the ring surface of the speed regulating shaft 18, when the number one electromagnet 36 is electrified, the vertical bevel gear 35 is repelled, and the vertical bevel gear 35 is made to move rightward, and at this time, the vertical bevel gear 35 is meshed with the transverse bevel gear 37, so that the rotation of the speed regulating shaft 18 can drive the reciprocating screw 21 to rotate, and when the number one electromagnet 36 is powered off, the vertical bevel gear 35 is rebounded under the elastic force of the number one spring and is no longer meshed with the transverse bevel gear 37.
Still further, the fixing mechanism 103 includes a fixing plate 38 disposed on the upper side of the object placing table 29, a spring plate 40 is disposed on the front side of the fixing plate 38, a pressing plate 39 is connected to the lower side of the spring plate 40 through a second spring, a second electromagnet 41 is disposed in the spring plate 40, a pressure sensor 42 is disposed in the left side of the chute 28, the second electromagnet 41 is controlled when the pressure applied to the pressure sensor 42 changes, and when the second electromagnet 41 is energized, the pressing plate 39 is repelled and moves downward, and when the pressure sensor 42 is de-energized, the pressing plate 39 is rebounded upward.
Further, the safety mechanism 104 includes a piston cavity 43 disposed in the housing 11, a communication hole 44 penetrating into the driving slot 20 is disposed in an upper side surface of the piston cavity 43, a rotating shaft 45 is rotatably connected to the communication hole 44, the rotating shaft 45 extends into the driving slot 20 and is connected to the reciprocating screw 21 through a bevel gear set 46, a turntable 24 is disposed at a lower end of the rotating shaft 45 extending into the piston cavity 43, a short shaft 48 is disposed at an outer side of a lower side surface of the turntable 24, a piston 47 is slidably connected to the bevel gear set 46 in a front-back direction, a connecting rod 49 hinged to a front side surface of the piston 47 is rotatably connected to the short shaft 48, the rotating shaft 45 is driven to rotate through the turntable 24 when the reciprocating screw 21 rotates, and the bevel gear set 46 rotates and causes the short shaft 48 to rotate around an axis of the bevel gear set 46, and the piston 47 is driven to periodically move back-and-forth through the connecting rod 49 when the short shaft 48 rotates.
Further, an air jacket 50 is disposed in the upper side of the upper cavity 32, an air cavity 51 with a downward opening is disposed in the air jacket 50, an air rod 52 extending into the air cavity 51 is fixedly disposed in the upper side of the safety door 33, an air outlet 53 communicated to the air cavity 51 is disposed in the rear side of the piston cavity 43, a first check valve is disposed in the air outlet 53, an air inlet 54 is disposed in the side of the air cavity 51, the aperture of the air inlet 54 is smaller than the aperture of the air outlet 53, a vent hole 55 and a vent hole 56 penetrating backward are disposed in the rear side of the piston cavity 43, a second check valve is disposed in the vent hole 56, a ball valve is disposed in the vent hole 56, when the ball valve is closed and the piston 47 moves forward and backward, air sequentially passes through the two check valves and is discharged along the air inlet 54, the air outlet 53, the piston cavity 43 and the vent hole 55, the air inlet 54 is smaller than the aperture of the air outlet 53, the air rod 52 is driven by the air inlet 54 in the process, the air outlet 55 moves upward, and the air outlet 33 is completely and the air inlet 33 is completely moves down through the ball valve 33 when the ball valve is completely and the ball valve is completely closed, and the air inlet 33 is completely moves down, and the air inlet 53 is completely moves down, and the air is completely moves down the air inlet valve 33 when the ball valve is completely moves down, and is completely down the air valve is completely under the air valve and is closed, and is completely under the air pressure condition when the air valve is in the air valve 33, and is moved by the air valve and is in the air valve and the air valve 33.
Still further, the height adjusting mechanism 101 includes a rectangular slot 57 disposed in the lower side of the spindle 14, a support post 58 extending to the lower side of the rectangular slot 57 is slidably connected in the rectangular slot 57, two clamping plates are fixedly disposed on the support post 58, the saw blade 15 is clamped between the two clamping plates, a right through sliding hole 59 is disposed in the right side of the rectangular slot 57, a limit slot 60 is disposed in the ring surface of the sliding hole 59, a plurality of limit holes are disposed at equal angles in the right side of the limit slot 60 with the axis of the sliding hole 59 as the center, a tooth slot is disposed in the right side of the support post 58, a rack 61 is fixedly disposed on the side of the tooth slot, a control shaft 62 is rotatably and slidably connected in the sliding hole 59, a gear capable of meshing with the rack 61 is slidably connected in the left and right directions on the ring surface of the control shaft 62, and the gear is driven to rotate when the control shaft 62 rotates, and the ring surface of the control shaft 62 is fixedly provided with a limit disc 63 extending into the limit groove 60, the right side surface of the limit disc 63 is fixedly provided with a limit block capable of being matched with the limit hole, the left side surface of the limit groove 60 is rotationally connected with a swivel 64, the swivel 64 is connected with the left side surface of the limit disc 63 through a plurality of springs No. three, when the limit disc 63 is abutted against the right side surface of the limit groove 60 under the action of the elasticity of the springs No. three, the limit hole can limit the rotation of the limit disc 63, and at the moment, the control shaft 62 is limited to rotate, if at the moment, the main shaft 14 rotates, the limit disc 63 is more attached to the right side surface of the limit groove 60, and when the control shaft 62 moves leftwards a certain distance, the control shaft 62 can rotate when the limit disc 63 is not attached to the right side surface of the limit groove 60 any more, when the control shaft 62 rotates, the gear is driven to move the supporting column 58 up and down, so that the height of the saw blade 15 is adjusted.
Still further, an irregular hole is formed in the right side surface of the control shaft 62, a toggle handle capable of being matched with the irregular hole is placed on the right side surface of the casing 11 through a placement frame, a limiting plate for preventing the gear from losing engagement relation with the rack 61 is arranged in the side surface of the tooth groove, a worker can pick up the toggle handle and push the control shaft 62 by using the same, at the moment, the worker can adjust the height of the saw blade 15 by rotating the toggle handle, after the height adjustment is completed, the worker takes out the toggle handle, at the moment, the limiting plate 63 and the control shaft 62 reset rightwards and are static.
The invention relates to a steel casting riser cutting device, which comprises the following working procedures:
when the cutting work of the riser of the steel casting needs to be carried out, a worker calculates the cutting height of the riser and adjusts the height of the saw blade 15 through the height adjusting mechanism 101, the worker stands on the left side of the shell 11 after the adjustment is completed and keeps the motor 13 in an electrified state, the motor 13 drives the main shaft 14 to rotate to drive the support column 58 to rotate, the saw blade 15 is driven to rotate, and the speed adjusting shaft 18 and the transverse bevel gear 37 are driven to rotate through the synchronous belt 19 when the main shaft 14 rotates.
After that, the worker energizes the electromagnet 36 for one cycle time, the reciprocating screw 21 rotates when the electromagnet 36 is energized, the reciprocating screw 21 drives the bearing plate 22 to move leftwards through cooperation with the screw rod block 23, meanwhile, the safety door 33 moves upwards through driving the piston 47 when the reciprocating screw 21 rotates, the safety door 33 moves to the upper limit before the left end of the bearing plate 22 moves to the inlet and outlet 31, when the electromagnet 36 is deenergized at the end of one cycle time, the bearing plate 22 moves to the left limit, part of the bearing plate 22 extends to the left side of the shell 11 through the inlet and outlet 31, the clamp 30 is positioned at the left side of the shell 11, the safety door 33 drops until abutting against the upper side of the bearing plate 22 when the electromagnet 36 is deenergized, and the worker can fix the cast steel part on the clamp 30.
After that, the electromagnet No. one 36 is energized again for a period in which the carrier plate 22 moves rightward, and the safety door 33 moves upward again to avoid interfering with the movement of the carrier plate 22 when the reciprocating screw 21 rotates, after a certain time, when the carrier plate 22 is completely positioned in the processing chamber 12, the ball valve is automatically opened, the piston chamber 43 is not sealed again, the safety door 33 drops until the inlet 31 is blocked, then the riser of the casting positioned on the clamp 30 is contacted with the saw blade 15 as the carrier plate 22 moves rightward, the pressure sensor 42 senses the pressure increase and controls the electromagnet No. two 41 to be energized, the pressing plate 39 is abutted against the upper end of the riser, the riser is cut by the saw blade 15, the riser is prevented from breaking and falling off from the casting in advance by the abutting action of the pressing plate 39 in the process, when the cutting is completed and the riser is completely separated from the casting, the pressure sensor 42 senses the pressure decrease, and the electromagnet No. two is controlled by the pressure sensor 42, the electromagnet No. two is upwardly reset and the riser is enabled to be thrown off and fall down when the electromagnet No. one 36 is automatically disconnected after the period is completed, and the riser is automatically cut off and the riser is separated from the casting is completely and the casting is completely separated from the casting completely, and the riser is cut to the right by the casting is completely and the steel is completely cut to the right at the limit of the casting is completed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The utility model provides a cast steel riser cutting device, includes casing (11), its characterized in that: a processing cavity (12) is arranged in the machine shell (11), a through hole penetrating through the machine shell (11) is arranged in the upper side surface of the processing cavity (12), a motor (13) is fixedly arranged on the upper side surface of the machine shell (11), a main shaft (14) passing through the through hole and extending into the processing cavity (12) is arranged on the lower side surface of the motor (13), a saw blade (15) is arranged on the main shaft (14) through a height adjusting mechanism (101), the saw blade (15) can be vertically adjusted in a certain range by the height adjusting mechanism (101), a connecting cavity (16) is arranged in the ring surface of the through hole, a shaft cavity (17) communicated with the connecting cavity (16) is arranged in the machine shell (11), the shaft cavity (17) is positioned on the right side of the processing cavity (12), a speed adjusting shaft (18) is rotationally connected to the lower side surface of the shaft cavity (17), the speed adjusting shaft (18) is connected with the main shaft (14) through a synchronous belt (19), the left side surface and the shaft cavity (17) is provided with a sliding supporting frame (20) in the left side surface and the right side surface of the through hole (12), a supporting frame (20) is arranged in the left side surface of the processing cavity (12), the device is characterized in that a screw rod block (23) is fixedly arranged on the ring surface of the connecting hole, the support frame is internally and rotationally connected with a reciprocating screw rod (21) which is extended into the connecting hole and connected with the screw rod block (23), a selection driving mechanism (102) is arranged on the reciprocating screw rod (21), the selection driving mechanism (102) enables the reciprocating screw rod (21) to be controllably driven to rotate by a speed regulating shaft (18), a sliding groove (28) is arranged in the upper side surface of a bearing plate (22), a storage table (29) is connected in the sliding groove (28) in a left-right sliding manner, a clamp (30) is arranged on the storage table (29), a fixing mechanism (103) is arranged on the storage table (29), the fixing mechanism (103) can prevent a riser from falling off in advance to enable burrs to appear at a casting cutting position, an inlet and outlet (31) are arranged in the left side surface of a processing cavity (12), an upper cavity (32) is arranged in the upper side surface of the inlet and the outlet (31), a safety door (33) is connected in an up-down sliding manner in the upper cavity (32), and the safety door (11) is arranged in the machine shell (11), and the safety door (33) can be automatically moved according to the safety door (21).
2. The steel casting riser cutting device according to claim 1, wherein: the selection driving mechanism (102) comprises a ring groove (34) arranged in the ring surface of the reciprocating screw (21), a vertical bevel gear (35) is connected in the ring groove (34) in a left-right sliding manner, the vertical bevel gear (35) is connected to the left side surface of the ring groove (34) through a plurality of first springs, a first electromagnet (36) is arranged in the left side surface of the ring groove (34), and a transverse bevel gear (37) which can be matched with the vertical bevel gear (35) is arranged on the ring surface of the speed regulating shaft (18).
3. The steel casting riser cutting device according to claim 1, wherein: the fixing mechanism (103) comprises a fixing plate (38) arranged on the upper side face of the object placing table (29), a spring plate (40) is arranged on the front side face of the fixing plate (38), a pressing plate (39) is connected to the lower side face of the spring plate (40) through a second spring, a second electromagnet (41) is arranged in the spring plate (40), and a pressure sensor (42) is arranged in the left side face of the sliding groove (28).
4. The steel casting riser cutting device according to claim 1, wherein: the safety mechanism (104) is arranged in the shell (11), a communication hole (44) penetrating into the driving groove (20) is formed in the upper side face of the piston cavity (43), a rotating shaft (45) is rotationally connected to the communication hole (44), the rotating shaft (45) extends into the driving groove (20) and is connected with the reciprocating screw (21) through a bevel gear set (46), a rotary table (24) is fixedly arranged at the lower end of the rotating shaft (45) in the piston cavity (43), a short shaft (48) is arranged on the outer side of the lower side face of the rotary table (24), a piston (47) is connected in a front-back sliding mode in the bevel gear set (46), and a connecting rod (49) hinged to the front side face of the piston (47) is rotationally connected to the short shaft (48).
5. The steel casting riser cutting device according to claim 4, wherein: be equipped with gas jacket (50) in the last side of epicoele (32), be equipped with opening decurrent air cavity (51) in gas jacket (50), the last side of emergency exit (33) has set firmly and has extended to gas pole (52) in air cavity (51), be equipped with in the trailing flank of piston chamber (43) and communicate to venthole (53) in air cavity (51), and be equipped with the check valve of No. one in venthole (53), be equipped with inlet port (54) in the side of air cavity (51), the aperture of inlet port (54) is less than the aperture of venthole (53), be equipped with exhaust hole (55) and air vent (56) that link up backward in the trailing flank of piston chamber (43), be equipped with No. two check valves in exhaust hole (55), be equipped with the ball valve in air vent (56).
6. The steel casting riser cutting device according to claim 1, wherein: the height adjusting mechanism (101) comprises a rectangular groove (57) arranged in the lower side surface of the main shaft (14), a support column (58) extending to the lower side of the rectangular groove (57) is connected in the rectangular groove (57) in a sliding mode, two clamping plates are fixedly arranged on the support column (58), the saw blade (15) is clamped between the two clamping plates, a right through sliding hole (59) is arranged in the right side surface of the rectangular groove (57), a limit groove (60) is arranged in the annular surface of the sliding hole (59), a plurality of limit holes are formed in the right side surface of the limit groove (60) by taking the axis of the sliding hole (59) as the center, tooth grooves are formed in the right side surface of the support column (58), racks (61) are fixedly arranged on the side surface of the support column (58), a control shaft (62) rotates in the sliding mode, gears capable of being meshed with the racks (61) are connected in a left sliding mode on the annular surface of the control shaft (62), limit grooves (63) are fixedly arranged on the annular surface of the control shaft (62), limit grooves (63) can be fixedly connected with the limit disc (64) on the right side surface of the limit disc, the swivel (64) is connected to the left side face of the limiting disc (63) through a plurality of third springs.
7. The steel casting riser cutting device according to claim 6, wherein: an irregular hole is formed in the right side face of the control shaft (62), a toggle handle which can be matched with the irregular hole is arranged on the right side face of the casing (11) through a placement frame, and a limiting plate which can prevent the gear from losing meshing relation with the rack (61) is arranged in the side face of the tooth slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310919838.XA CN116851835B (en) | 2023-07-26 | 2023-07-26 | Riser cutting device for steel castings |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310919838.XA CN116851835B (en) | 2023-07-26 | 2023-07-26 | Riser cutting device for steel castings |
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| CN116851835A true CN116851835A (en) | 2023-10-10 |
| CN116851835B CN116851835B (en) | 2024-07-23 |
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| CN202310919838.XA Active CN116851835B (en) | 2023-07-26 | 2023-07-26 | Riser cutting device for steel castings |
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| CN113682817A (en) * | 2021-07-19 | 2021-11-23 | 厦门苓瑛纺织有限公司 | Glass manufacturing and processing clamp |
| CN217316181U (en) * | 2022-01-07 | 2022-08-30 | 昆山瑞卡特机械自动化有限公司 | Workpiece fixing device and casting head sawing machine adopting same |
| CN217701630U (en) * | 2022-06-13 | 2022-11-01 | 江阴市洪峰五金锻造有限公司 | Quick saw blade mounting and dismounting structure of sawing machine |
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|---|---|
| CN116851835B (en) | 2024-07-23 |
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