CN111468684B - Special cold core machine for cast tube bell mouth sand core - Google Patents
Special cold core machine for cast tube bell mouth sand core Download PDFInfo
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- CN111468684B CN111468684B CN202010477954.7A CN202010477954A CN111468684B CN 111468684 B CN111468684 B CN 111468684B CN 202010477954 A CN202010477954 A CN 202010477954A CN 111468684 B CN111468684 B CN 111468684B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/12—Moulding machines for making moulds or cores of particular shapes for cores
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/23—Compacting by gas pressure or vacuum
- B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
Abstract
The invention relates to a special cold core machine for a cast tube bell mouth sand core, which comprises a frame body, wherein a feeding mechanism is arranged on the central line of the bottom of the frame body and is vertical to the frame body; the frame body comprises a main beam, a beam frame and a base, and a horizontal guide frame is arranged on the main beam; the feeding mechanism comprises a feeding trolley arranged on the base in a sliding manner, the feeding trolley is provided with a core shooting mould, and the feeding trolley is provided with a horizontal table for placing the core shooting mould; the base comprises a fixed seat, a sliding seat and a material conveying seat, wherein a stabilizing assembly is arranged at the bottom of the fixed seat and fixedly connected to the bottom of the fixed seat, and a guide rail for the sliding connection of the feeding trolley is arranged on the material conveying seat; a positioning assembly is also arranged in the sliding seat, the positioning assembly comprises a lifting plate arranged at the bottom of the sliding seat, a positioning column is arranged on the lifting plate, and a positioning hydraulic cylinder for driving the lifting plate to move up and down is arranged at the bottom of the lifting plate; the invention has the effect of improving the positioning accuracy of the mold and further improving the technical effect of the finished product of the mold sand core.
Description
Technical Field
The invention relates to the technical field of cold core machines, in particular to a special cold core machine for a cast tube bell mouth sand core.
Background
The core making machine is a general name of a core shooter and a shell core machine and is made by adopting a hot core box process. The working process of the core making machine is completed by filling sand and compacting simultaneously, and the core making machine is immediately hardened in a hot core box, so that the labor intensity is reduced, the operation is flexible, light and easy to master, the temperature can be automatically controlled by adopting electric heating, the working place is easy to keep clean, and conditions are created for mechanization and automation of the core making process.
The prior Chinese patent with publication number CN106363142A discloses a core shooter, which comprises a frame and a side die, wherein the frame is provided with a top plate, the top plate is provided with a sand hopper, a fixedly connected upper die is arranged below the top plate, the upper die is provided with a sand shooting port, and an outlet of the sand hopper is communicated with the sand shooting port; a valve is arranged at the outlet of the sand hopper; the side die is arranged on the frame through a telescopic device; the side die is positioned below the upper die; a supporting platform is arranged below the side mold; a sliding table is arranged on the supporting platform, and at least two lower dies are arranged on the sliding table; guide posts are arranged on two sides of the lower die and fixed on the sliding table, a fixed platform is arranged below the supporting platform, jacking devices are arranged on the fixed platforms right below the upper film and outside the rack, and ejector rods of the jacking devices penetrate through the supporting platform; and a through hole matched with the ejector rod is formed in the sliding table below the lower die. And after the sand shooting on the lower die is finished, the horizontal guide table moves the finished sand core, and moves a new lower die to be right below the upper die to carry out continuous sand shooting, so that continuous production is realized.
The technical scheme has the following defects: continuous production is realized through uninterrupted transmission, but in the continuous production process, the transmission of the lower die is not accurately controlled, so that the sand core forming quality is easily reduced due to equipment precision in the sand shooting process.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the special cold core machine for the cast tube bell mouth sand core, which has the advantages of improving the positioning accuracy of a mould and further improving the technical effect of a finished product of the mould sand core.
The above object of the present invention is achieved by the following technical solutions: a cold core machine special for a cast tube bell mouth sand core comprises a frame body, wherein a feeding mechanism is arranged on the center line of the bottom of the frame body and is vertical to the frame body, and a sand shooting mechanism and a blow molding mechanism are arranged on the frame body;
the frame body comprises a horizontally arranged main beam and a beam frame vertical to the main beam, and further comprises a base horizontally arranged on the ground, and the main beam is provided with a horizontal guide frame for the movement of the sand shooting mechanism and the blow molding mechanism;
the feeding mechanism comprises a feeding trolley arranged on the base in a sliding manner, and a horizontal table is arranged on the feeding trolley;
the base comprises a fixed seat arranged at the bottom of the beam frame, a sliding seat for the feeding trolley to slide, and a material conveying seat arranged on the same straight line of the sliding seat, wherein a stabilizing assembly is arranged at the bottom of the fixed seat and fixedly connected to the bottom of the fixed seat, and a guide rail for the feeding trolley to slide and connect is arranged on the material conveying seat;
the sliding seat is further provided with a positioning assembly, the positioning assembly comprises a plurality of vertically arranged positioning hydraulic cylinders, a plurality of positioning rods are arranged on the positioning hydraulic cylinders, and positioning holes for the positioning rods to penetrate through are formed in the feeding trolley.
By adopting the technical scheme, the feeding trolley is utilized to convey the die on the feeding seat, meanwhile, the feeding trolley for mounting the die is moved towards the direction far away from the feeding seat, the positioning assembly arranged at the bottom of the frame body fixes the feeding trolley, the positioning hydraulic cylinder pushes the hydraulic rod upwards, the positioning rod on the hydraulic rod is inserted into the positioning hole of the feeding trolley, the fixing of the trolley is realized, and further, the influence of the swinging sand core finished product of the trolley is reduced in the process of carrying out blow molding on the feeding trolley;
the bottom of the feeding car is provided with a guide rail for the feeding car to move, so that the stability of the feeding car in the moving process is improved.
The present invention in a preferred example may be further configured to: the bottom of the feeding car is provided with a pulley connected to the guide rail in a sliding manner, the positioning assembly further comprises travel switches arranged on the guide rail, and the travel switches are provided with a pair of travel switches and are respectively arranged on two sides of the guide rail.
Through adopting above-mentioned technical scheme, the guide rail that the stack pallet bottom was equipped with is used for improving the accuracy of moving the route, the articulated bottom of connecting at the stack pallet of pulley, travel switch will be touched to the in-process that the stack pallet moved on the track, travel switch will be stopped moving after being touched to stack pallet department, this is because travel switch is controlling the interior motor of stack pallet, after travel switch is touched, the stack pallet loses the power supply, will stall, and then make the stack pallet be located needs stop position, improve the stability of mould position in the mould working process.
The present invention in a preferred example may be further configured to: the sliding seat is provided with a driving assembly for driving the feeding trolley to move on the guide rail trolley, the driving assembly comprises a conveying rack and a driving motor arranged on the feeding trolley, a driving shaft is arranged on the driving motor, and a conveying gear meshed with the conveying rack is arranged on the driving shaft.
Through adopting above-mentioned technical scheme, drive assembly comprises transfer rack and driving motor two parts, utilizes driving motor and transfer rack's meshing connection relation, improves the stability of stack pallet in the data send process to and improve the accurate nature of the migration distance in the stack pallet data send process, and the stack pallet stop position fixity after the stack pallet stops moving all helps improving the precision of mould on the stack pallet at the shooting, and then improves the off-the-shelf quality of shooting.
The present invention in a preferred example may be further configured to: the feeding trolley is provided with a clamping assembly, the clamping assembly is arranged on the end face of one side, far away from the material conveying seat, of the feeding trolley and comprises two oppositely arranged clamping hydraulic cylinders, clamping hydraulic rods are arranged on the two clamping hydraulic cylinders, clamping jaws connected to the side wall of the feeding trolley in a hinged mode are arranged on the clamping hydraulic rods, and the clamping jaws are connected with the clamping hydraulic rods in a hinged mode.
Through adopting above-mentioned technical scheme, the tight subassembly of clamp that is equipped with on the stack pallet is used for pressing from both sides tight mould, reduces rocking of stack pallet at the removal in-process, causes the mould skew, and then influences psammitolite shaping quality in the mould, utilizes two pneumatic cylinders that set up mutually away from the other side to drive the clamping jaw action for two clamping jaws are inside tight, and then clip the mould, reach the rocking that reduces the mould.
The present invention in a preferred example may be further configured to: the material conveying seat comprises two conveying frames which are oppositely arranged, a conveying assembly is arranged in each conveying frame, each conveying assembly comprises a conveying motor arranged on the material conveying seat, and a plurality of conveying wheels arranged on the conveying frames, the conveying wheels are connected to the conveying frames in a rotating mode, and the conveying motors are connected with the conveying wheels in a driving mode.
Through adopting above-mentioned technical scheme, the biography charging socket is on conveying the stack pallet with the mould, a plurality of levels set up the transfer gear on two conveying framves, the transfer gear on two conveying framves sets up relatively simultaneously, utilize the conveying motor to drive out the transfer gear and rotate, a plurality of transfer gear rotations will drive the mould on the transfer gear and remove to the stack pallet direction, the stack pallet passes through driving motor conveying simultaneously between two conveying framves, consequently, the mould on the transfer gear will automatic transmission to the stack pallet, and it is tight to press from both sides the mould clamp on the stack pallet through clamping components.
The present invention in a preferred example may be further configured to: and a fastening ring is arranged on the conveying wheel.
Through adopting above-mentioned technical scheme, the cover has the one deck tight loop on the transfer gear, improves the frictional force between transfer gear and the mould, reduces the mould and appears skidding the phenomenon on the transfer gear, and then makes the mould can be steady convey the stack pallet on.
The present invention in a preferred example may be further configured to: the utility model discloses a sand injection molding machine, including girder, secondary beam, driving piece, servo motor, conveyer, gear mesh, the girder bottom is equipped with the secondary beam that the level set up, be equipped with the horizontal bracket that supplies to penetrate sand mechanism and blow molding machine horizontal migration on the secondary beam, the horizontal bracket is equipped with two and sets up at secondary beam length direction both ends, penetrate and all be equipped with the driving piece on sand mechanism and the blow molding machine constructs, the driving piece includes the servo motor of vertical setting, still includes the conveying pole of being connected with the servo motor drive, servo motor sets up the central point on conveying pole length direction and puts, conveying pole length direction both sides all are equipped with the gear, gear mesh connects in the conveying frame bottom.
Through adopting above-mentioned technical scheme, will penetrate sand mechanism and blow molding mechanism horizontal migration on the secondary beam, servo motor passes through turbine worm gear speed reduction drive and connects the transfer bar, and the both ends of transfer bar are equipped with the gear, and gear engagement connects the bottom of both sides conveying frame simultaneously, therefore the rotation back of transfer line, penetrates sand mechanism and blow molding mechanism and will move along the length direction of secondary beam, moves the top of bottom mould, then penetrates sand or the blow molding is handled the mould.
The present invention in a preferred example may be further configured to: the sand shooting mechanism is provided with an orientation assembly, the orientation assembly comprises a guide rod arranged at the top of the conveying frame and a guide block arranged on the guide rod in a sliding manner, and a guide hole for the guide rod to penetrate through is formed in the guide block.
Through adopting above-mentioned technical scheme, directional subassembly is used for improving and penetrates sand mechanism and remove stability and the straight line performance of in-process, improves and penetrates sand mechanism and blowing mechanism and during operation position accuracy nature, adopts the setting of guide bar to improve the stability of moving in-process equipment.
The present invention in a preferred example may be further configured to: the conveying frame is further provided with a fine adjustment assembly, the fine adjustment assembly comprises clamping plates which are arranged on the beam frame oppositely, and a fine adjustment hydraulic cylinder which controls and drives the clamping plates to move.
Through adopting above-mentioned technical scheme, the fine setting subassembly is the further clamp to the mould for the mould decide more accurately, utilize the fine setting pneumatic cylinder to drive two relative splint relative movement, carry out the centre gripping with the mould on the stack pallet, improve the stability of mould on the stack pallet.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the bottom of the feeding car is arranged on the track to slide, so that the moving stability of the feeding car is improved, and meanwhile, after the feeding car reaches a station, a mould on the feeding car is fixed by using the positioning assembly, so that the stability of the mould in the working process is improved, and the forming quality of a sand core in the mould is improved;
2. the travel switch arranged on the rail is utilized to control the feeding trolley to enable the feeding trolley to make a path on the rail, and the accuracy of stopping the position of the die is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure shown in the embodiment of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a partial cross-sectional view of an embodiment of the present invention;
FIG. 4 is a schematic view of a partial cross-sectional structure shown in an embodiment of the present invention;
FIG. 5 is an enlarged view at B in FIG. 4;
FIG. 6 is a schematic view of a partial structure of a feed carriage according to an embodiment of the present invention;
FIG. 7 is an enlarged view at C of FIG. 5;
fig. 8 is a schematic partial cross-sectional view of a sand shooting mechanism according to an embodiment of the present invention.
In the figure, 1, a frame body; 2. a feeding mechanism; 3. a sand shooting mechanism; 4. a main beam; 5. a beam frame; 6. a base; 7. a feeding car; 9. a horizontal table; 10. a fixed seat; 11. a sliding seat; 12. a material conveying seat; 13. a stabilizing assembly; 14. a guide rail; 15. a positioning assembly; 16. positioning holes; 17. positioning a rod; 18. positioning a hydraulic cylinder; 19. a pulley; 20. a travel switch; 21. a drive assembly; 22. a transfer rack; 23. a drive motor; 24. a drive shaft; 25. a transmission gear; 26. a clamping assembly; 27. clamping a hydraulic cylinder; 28. clamping the hydraulic rod; 30. a clamping jaw; 31. a transfer frame; 32. a transfer assembly; 33. a transfer motor; 34. a transfer wheel; 35. a fastening ring; 37. a secondary beam; 38. a horizontal frame; 39. a drive member; 40. a servo motor; 41. a transfer rod; 42. a gear; 43. an orientation assembly; 44. a guide bar; 45. a guide block; 50. a fine tuning component; 51. a splint; 52. fine adjustment of a hydraulic cylinder; 53. a blow molding mechanism; 54. a base stone; 55. a switch cap; 56. a touch switch; 57. a fixing frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, the invention discloses a special cold core machine for a cast tube bell mouth sand core, which comprises a frame body 1, wherein a feeding mechanism 2 for conveying a sand shooting mold is arranged on the central line of the bottom of the frame body 1, the feeding mechanism 2 is used for automatically conveying the sand shooting mold to the bottom of the frame body 1, then a sand shooting mechanism 3 and a blow molding mechanism 53 are arranged on the frame body 1, and the sand shooting mechanism 3 and the blow molding mechanism 53 are used for carrying out sand shooting and blow molding treatment.
Referring to fig. 3 and 4, the frame body 1 includes a horizontally arranged main beam 4, a vertically arranged beam frame 5, and a horizontally arranged base 6, wherein the main beam 4 is provided with a secondary beam 37 for moving the sand shooting mechanism 3 and the blow molding mechanism 53. The beam frame 5 arranged vertically is provided with a plurality of beam frames 5, the main beam 4 at the top is supported by the plurality of beam frames 5, and the base 6 is horizontally arranged on the ground and is mutually vertical to the beam frames 5. Base 6 is by fixing base 10, slide 11 and pass the material seat 12 triplex, the mould that will carry out the blow molding is placed on passing material seat 12, pass and be equipped with conveying assembly 32 on the material seat 12, utilize conveying assembly 32 to send the mould to slide 11, it supplies the feed carriage 7 that the mould was placed to be equipped with on the seat 11 to slide, establish the horizontal stand 9 that supplies the mould to place on the feed carriage 7, feed carriage 7 drives the bottom that the central line department of mould arrival support body 1, then penetrate sand mechanism 3 and blow molding machine 53 and carry out the blow molding to the mould and handle. The fixing seat 10 is used for stabilizing the whole frame body 1 and ensuring that the whole frame body 1 is in a stable state, so that the equipment has better stability in the blow molding process.
Referring to fig. 3, the bottom of the fixing base 10 is provided with a stabilizing assembly 13, the stabilizing assembly 13 includes a plurality of bedstones 54 arranged in the fixing base 10, and further includes a fixing frame 57 for wrapping the bedstones 54, the plurality of bedstones 54 are used for improving the stability of the device, and instability in the working process caused by the device itself is reduced.
Referring to fig. 4 and 5, the sliding seat 11 is provided with a guide rail 14 for the feeding carriage 7 to move, the bottom of the feeding carriage 7 is provided with a pulley 19 connected to the guide rail 14 in a sliding manner, and the pulley 19 is used for improving the convenience of moving the feeding carriage.
Referring to fig. 5, a driving assembly 21 for driving the feeding cart 7 to move is arranged at the bottom of the feeding cart 7, the driving assembly 21 comprises a transmission rack 22, the transmission rack 22 is arranged in parallel with the two guide rails 14 on the sliding seat 11 to improve the linear capacity of the feeding cart 7 in the moving process, the driving assembly 21 further comprises a driving motor 23 arranged in the feeding cart 7, a driving shaft 24 is arranged on a rotating shaft of the driving motor 23, a transmission gear 25 is arranged on the driving shaft 24, and the transmission gear 25 is meshed with the transmission rack 22. The driving motor 23 drives the transmission gear 25 to rotate, so that the feeding car 7 moves horizontally along the length direction of the transmission rack 22. By utilizing the transmission mode of the transmission rack 25, the stability and the accuracy of the movement of the feeding car 7 are improved.
Referring to fig. 4, the material conveying seat 12 is used for conveying a mold to be worked to the feeding cart 7 from the material conveying seat 12, so that errors caused by manual conveying are reduced, two conveying frames 31 which are oppositely arranged are arranged on the material conveying seat 12, each conveying assembly 32 comprises a conveying motor 33 arranged in each conveying frame 31 and a plurality of conveying wheels 34 arranged on each conveying frame 31, the plurality of conveying wheels 34 are rotatably connected to the conveying frames 31, and the axial leads of the plurality of conveying wheels 34 are on the same straight line, so that the stability in the process of conveying the mold is improved. The transmission motor 33 is in driving connection with the transmission wheel 34, the transmission motor 33 drives the transmission wheel 34 to rotate after being started, and the transmission wheel 34 rotates to drive the die to move towards the feeding car 7.
Referring to fig. 4, the transfer wheel 34 is provided with a fastening ring 35, the fastening ring 35 is made of a soft material such as rubber having good elasticity, and the fastening ring 35 protects the mold and reduces damage caused by transfer.
Referring to fig. 6 and 7, the feeding cart 7 is driven by the driving motor 23 to move towards the direction of the feeding base 12 (refer to fig. 8), the molds on the conveying wheel 34 will gradually move the top of the feeding cart 7, so that one side of the feeding cart 7 away from the feeding base 12 is provided with the clamping assembly 26, the clamping assembly 26 comprises a clamping hydraulic cylinder 27, a clamping hydraulic rod 28 is arranged on the clamping hydraulic cylinder 27, the clamping assembly 26 comprises a clamping jaw 30 connected with the clamping hydraulic rod 28 in an articulated manner, and the clamping jaw 30 is connected with the end face of one side of the feeding cart 7 away from the feeding base 12 in an articulated manner. Clamping jaw 30, tight pneumatic cylinder 27 all are equipped with two, and two clamping jaws 30 set up mutually away mutually and make two clamping jaws 30 press from both sides the mould tightly, prevent that the mould from droing, play positioning die's effect.
Referring to fig. 8, the bottom level of main beam 4 is equipped with secondary beam 37, secondary beam 37 is a horizontal leading truck, sand shooting mechanism 3 sets up on secondary beam 37, all be equipped with the driving piece 39 that drives sand shooting mechanism 3 and the removal of blow molding mechanism 53 on sand shooting mechanism 3 and blow molding mechanism 53, driving piece 39 includes the servo motor 40 of vertical setting, be equipped with the reduction gear in servo motor 40's bottom, driving piece 39 still includes the transfer bar 41 that sets up the extension of secondary beam 37 in the reduction gear both sides, at secondary beam 37 fixedly connected with horizontal shelf 38, the bottom of horizontal shelf 38 is equipped with the insection of being connected with the meshing of transfer bar 41, the correspondence is equipped with gear 42 on transfer bar 41. After the servo motor 40 is started, the transmission rod 41 will move the rod along the length of the horizontal frame 38 in the opposite direction and reach the top of the discharging and feeding cart 7, and then the sand shooting mechanism 3 performs sand shooting work on the mould.
Referring to fig. 8, the horizontal frame 38 is provided with an orientation assembly 43 for guiding the sand shooting mechanism 3, the orientation assembly 43 includes a guide rod 44 disposed on the horizontal frame 38, a guide block 45 connected in a sliding manner is disposed on the guide rod 44, one end of the guide block 45 is connected to a fixing rod of the sand shooting mechanism 3, a guide hole for the guide rod 44 to penetrate is disposed on the guide block 45, and the sand shooting mechanism 3 moves along the length direction of the guide rod 44. The stability of the movement of the sand shooting mechanism 3 is improved.
Referring to fig. 4 and 5, a positioning assembly 15 is further disposed in the sliding seat 11, and the positioning assembly 15 is used to improve the stability of the mold during operation. The positioning assembly 15 comprises a plurality of positioning hydraulic cylinders 18 arranged in the sliding seat 11, the positioning hydraulic cylinders 18 are vertically arranged upwards, a plurality of positioning rods 17 are arranged on the positioning hydraulic cylinders 18, and a plurality of positioning holes 16 for the positioning rods 17 to pass through are formed in the feeding car 7. After the work of the feeding car 7 is finished, the positioning hydraulic cylinder 18 drives the positioning rod 17 to penetrate through the feeding car 7, the feeding car 7 is fixed, the stability of the die in the blow molding process is improved, and therefore the quality of finished products of the core shooting is improved.
Referring to fig. 1 and 2, the positioning assembly 15 further includes a travel switch 20 disposed on one side of the guide rail 14, the travel switch 20 is provided with a switch cap 55, the feeding cart 7 is equipped with a contact block 56 during the process of moving the mold to the bottom of the frame body 1 after being loaded, the contact block 56 is disposed on the feeding cart 7, the contact switch 56 will contact the switch cap 56 on the travel switch 20, and after the switch cap 56 is toggled, the feeding cart 7 will move simultaneously at once, so that the feeding cart 7 can be aligned to a station of the frame body 1 above.
Referring to fig. 1 and 2, a fine adjustment assembly 50 for adjusting the mold is arranged between the beam frame 5, the fine adjustment assembly 50 comprises two clamping plates 51 arranged on opposite surfaces of the beam frame 5, and a fine adjustment hydraulic cylinder 52 for driving the two clamping plates 51 to move, and after the feeding car 7 reaches a specified position, the fine adjustment hydraulic cylinder 52 drives the two clamping plates 51 arranged oppositely to move relatively, so that the mold is positioned in the moving direction of the two fine adjustment hydraulic cylinders 52.
The implementation principle of the embodiment is as follows: place the mould on transfer module 32, utilize the transmission motor on the transfer module 32 to drive the conveying and rotate, and then convey the mould to the stack pallet 7 on, the tight subassembly 26 of clamp on the stack pallet 7 presss from both sides tight the mould, prevents that the mould from rocking from the stack pallet 7 and causing the dislocation. The utility model discloses a further inject of mould on the feed carriage 7, the die holder is fixed a position, and the feed carriage 7 drives the mould and moves to keeping away from conveying subassembly 32 one end, and after travel switch 20 was touched in the contact of feed carriage 7, feed carriage 7 will stop moving to stop at the normal position, fine setting pneumatic cylinder 52 promoted splint 51 simultaneously, splint 51 of two relative settings will the die holder tight, to the further injecing of mould on the feed carriage 7, make the mould location in fixed position, and then improve the accuracy of mould location during the blowing.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A special cold core machine for a cast tube bell mouth sand core comprises a frame body (1), wherein a feeding mechanism (2) is arranged on the center line of the bottom of the frame body (1) and is vertical to the frame body (1), and a sand shooting mechanism (3) and a blow molding mechanism (53) are arranged on the frame body (1);
the method is characterized in that: the frame body (1) comprises a horizontally arranged main beam (4), a beam frame (5) vertical to the main beam (4) and a base (6) horizontally arranged on the ground, and a horizontal guide frame for moving the sand shooting mechanism (3) and the blow molding mechanism (53) is arranged on the main beam (4);
the feeding mechanism (2) comprises a feeding car (7) which is arranged on the base (6) in a sliding manner, and a horizontal table (9) is arranged on the feeding car (7);
the base (6) comprises a fixed seat (10) arranged at the bottom of the beam frame (5), a sliding seat (11) for the feeding trolley (7) to slide and a material conveying seat (12) arranged on the same straight line of the sliding seat (11), wherein a stabilizing assembly (13) is arranged at the bottom of the fixed seat (10), the stabilizing assembly (13) is fixedly connected to the bottom of the fixed seat (10), and a guide rail (14) for the feeding trolley (7) to slide and connect is arranged on the material conveying seat (12);
the conveying seat (12) comprises two oppositely arranged conveying frames (31) and a conveying assembly (32) arranged on the conveying frames (31), and the guide rail (14) is positioned between the two conveying frames (31); the conveying assembly (32) comprises a conveying motor (33) arranged on the conveying seat (12) and a plurality of conveying wheels (34) arranged on the conveying frame (31), the plurality of conveying wheels (34) are rotatably connected to the conveying frame (31), and the conveying motor (33) is in driving connection with the conveying wheels (34);
a clamping assembly (26) is arranged on the feeding car (7);
the sliding seat (11) is further provided with a positioning assembly (15), the positioning assembly (15) comprises a plurality of vertically arranged positioning hydraulic cylinders (18), a plurality of positioning rods (17) are arranged on the positioning hydraulic cylinders (18), and positioning holes (16) for the positioning rods (17) to penetrate through are formed in the feed carriage (7).
2. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: the bottom of the feeding car (7) is provided with a pulley (19) connected to the guide rail (14) in a sliding manner, the positioning assembly (15) further comprises a travel switch (20) arranged on the guide rail, and the travel switch (20) is provided with a pair of travel switches and is respectively arranged on two sides of the guide rail (14).
3. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: the sliding seat (11) is provided with a driving assembly (21) for driving the feeding car (7) to move on the guide rail (14), the driving assembly (21) comprises a conveying rack (22) and a driving motor (23) arranged on the feeding car (7), a driving shaft (24) is arranged on the driving motor (23), and a conveying gear (25) meshed with the conveying rack (22) and connected with the driving shaft (24) is arranged on the driving shaft.
4. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: the feeding trolley is characterized in that a clamping assembly (26) is arranged on the feeding trolley (7), the clamping assembly (26) is arranged on the end face of one side, away from the material conveying seat (12), of the feeding trolley (7), the clamping assembly (26) comprises two oppositely arranged clamping hydraulic cylinders (27), two clamping hydraulic rods (28) are arranged on the clamping hydraulic cylinders (27), clamping jaws (30) hinged to the side wall of the feeding trolley (7) are arranged on the clamping hydraulic rods (28), and the clamping jaws (30) are hinged to the clamping hydraulic rods (28).
5. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: and a fastening ring (35) is arranged on the conveying wheel (34).
6. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: girder (4) bottom is equipped with secondary beam (37) that the level set up, be equipped with on secondary beam (37) and supply to penetrate sand mechanism (3) and blow molding mechanism (53) horizontal migration's horizontal stand (38), horizontal stand (38) are equipped with two and set up at secondary beam (37) length direction both ends, penetrate and all be equipped with driving piece (39) on sand mechanism (3) and blow molding mechanism (53), driving piece (39) are including servo motor (40) of vertical setting, still include conveying rod (41) of being connected with servo motor (40) drive, servo motor (40) set up the central point in conveying rod (41) length direction and put, conveying rod (41) length direction both sides all are equipped with gear (42), gear (42) meshing is connected in conveying frame (31) bottom.
7. The special cold core machine for the cast tube bell-mouth sand core according to claim 1, characterized in that: penetrate and be equipped with directional subassembly (43) on sand mechanism (3), directional subassembly (43) are including setting up guide bar (44) at conveying frame (31) top, still including sliding and set up guide block (45) on guide bar (44), be equipped with the guiding hole that supplies guide bar (44) to run through on guide block (45).
8. The special cold core machine for the cast tube bell-mouth sand core as claimed in claim 6, wherein: the conveying frame (31) is further provided with a fine adjustment assembly (50), the fine adjustment assembly (50) comprises clamping plates (51) which are arranged on the beam frame (5) and are arranged oppositely, and a fine adjustment hydraulic cylinder (52) for controlling and driving the clamping plates (51) to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477954.7A CN111468684B (en) | 2020-05-29 | 2020-05-29 | Special cold core machine for cast tube bell mouth sand core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477954.7A CN111468684B (en) | 2020-05-29 | 2020-05-29 | Special cold core machine for cast tube bell mouth sand core |
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| Publication Number | Publication Date |
|---|---|
| CN111468684A CN111468684A (en) | 2020-07-31 |
| CN111468684B true CN111468684B (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010477954.7A Active CN111468684B (en) | 2020-05-29 | 2020-05-29 | Special cold core machine for cast tube bell mouth sand core |
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|---|---|---|---|---|
| CN113020548B (en) * | 2021-03-01 | 2023-01-03 | 苏州三信机器制造有限公司 | Cold core machine with non-lifting structure of upper core box |
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