CN111822685A - Precoated sand casting mold - Google Patents
Precoated sand casting mold Download PDFInfo
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- CN111822685A CN111822685A CN202010725007.5A CN202010725007A CN111822685A CN 111822685 A CN111822685 A CN 111822685A CN 202010725007 A CN202010725007 A CN 202010725007A CN 111822685 A CN111822685 A CN 111822685A
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- threaded
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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
- B22D33/00—Equipment for handling moulds
- B22D33/06—Burdening or relieving moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
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- Casting Devices For Molds (AREA)
Abstract
The invention relates to the technical field of casting dies, in particular to a precoated sand casting die, which comprises a U-shaped seat, wherein a forming mechanism is arranged in the U-shaped seat, a first pressing mechanism is fixedly connected in one end of the U-shaped seat, a rotating wheel is driven to rotate through an arranged rotating shaft, a second annular groove and a second clamping groove on the surface are driven to rotate when the rotating wheel rotates, a belt is driven to rotate by the second annular groove and the second clamping groove, a first clamping groove is driven to rotate by a clamping block when the belt rotates, a rotating ring is driven to rotate by the first clamping groove, the first rotating cylinder and the second rotating cylinder are driven to synchronously rotate by the rotating ring, a first threaded ring and a second threaded ring are driven to rotate, a first threaded rod and a second threaded rod are driven to rotate by the first threaded cylinder and the second threaded cylinder, the first threaded rod and the second threaded rod are driven to move, two dies are clamped and fixed, and the dies do, the waste of materials caused by the fact that the fixed plate needs to be damaged when the die is taken out is prevented.
Description
Technical Field
The invention relates to the technical field of casting molds, in particular to a precoated sand casting mold.
Background
The precoated sand is a sand base made of high-quality selected natural sand, and is subjected to a resin precoating system with special performance and an optimal process technology, and the perfect combination of the normal-temperature performance, the high-temperature performance, the collapsibility, the fluidity, the casting surface roughness and the like is strived according to the technical requirements of different users, so that the precoated sand is widely applied to automobile engines, diesel engines, hydraulic parts, 1 and the like.
Present precoated sand casting mould need aim at amalgamation with two moulds when using, and spill in order to prevent that casting liquid from the gap of mould, need fix two moulds, current fixed mode is that the fixed plate through the mould outside carries out the centre gripping to the mould fixed, need just can handle precoated sand mould after destroying outer fixed plate when accomplishing the casting need take the mould, and then take out the foundry goods, such fixed mode all need destroy some fixed plates and cause the waste when leading to casting the part at every turn.
Disclosure of Invention
The invention provides a precoated sand casting mold aiming at the problems in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a precoated sand casting mould, includes the U-shaped seat, the inside of U-shaped seat is provided with forming mechanism, the first pressing mechanism of the inside fixedly connected with of one end of U-shaped seat, the other end fixedly connected with second pressing mechanism of U-shaped seat, be provided with drive mechanism on the outer wall of U-shaped seat, drive mechanism's the fixed establishment that is provided with on the surface.
Specifically, the forming mechanism comprises fixing blocks, clamping grooves, dies and forming grooves, the two fixing blocks are symmetrically and fixedly connected to the inner wall of the bottom of the U-shaped seat, the two fixing blocks are clamped inside the two clamping grooves, the two clamping grooves are formed in the lower surfaces of the two dies respectively, and the forming grooves are symmetrically formed in the two dies.
Specifically, first pressing mechanism includes first fixed plate, first threaded rod, first clamp plate, first bearing, first rotary drum, first screw ring, a first screw section of thick bamboo, first fixed plate fixed connection is on one side inside wall of U-shaped seat, the center department of first fixed plate rotates and is connected with first threaded rod, first threaded rod is close to the first clamp plate of one end fixedly connected with of U-shaped seat, the first fixed plate on the surface fixedly connected with first bearing, fixed cover has first rotary drum on the outer wall of first bearing, fixed cover has first screw ring on the other end inner wall of first rotary drum, first screw ring threaded connection is on the surface of first threaded rod, the opposite side fixedly connected with first screw sleeve of first fixed plate, first threaded rod threaded connection is inside first screw sleeve.
Specifically, the second pressing mechanism includes a second fixing plate, a second threaded rod, a second pressing plate, a second bearing, a second rotary drum, a second threaded ring and a second threaded cylinder, the second fixing plate is fixedly connected to the inner side wall of the other side of the U-shaped seat, the center of the second fixing plate is rotatably connected to the second threaded rod, the second threaded rod is close to the second pressing plate fixedly connected to one end of the U-shaped seat, the second fixing plate 41 is fixedly connected to the second bearing on the surface, the second rotary drum is fixedly connected to the outer wall of the second bearing, the second threaded ring is fixedly connected to the inner wall of the other end of the second rotary drum, the second threaded ring 46 is in threaded connection with the second threaded rod on the surface, the other side of the second fixing plate is fixedly connected to the second threaded sleeve, and the second threaded rod is in threaded connection with the second threaded sleeve.
Specifically, the transmission mechanism comprises rotary rings, first ring grooves, first clamping grooves, clamping blocks, belts, second clamping grooves, second ring grooves, rotating wheels, a rotating shaft, fixing rings and fixing rods, wherein the two rotary rings are fixedly sleeved on the surfaces of the first rotating drum and the second rotating drum respectively, the surfaces of the two rotary rings are provided with the first ring grooves, the interiors of the two first ring grooves are provided with a plurality of first clamping grooves, the belts are movably sleeved in the first ring grooves, the inner walls of the belts are fixedly connected with a plurality of clamping blocks, the clamping blocks are slidably connected in the corresponding first clamping grooves, the other ends of the two belts are movably sleeved in the interiors of the two second ring grooves, the surfaces of the two second ring grooves are provided with the second clamping grooves, the clamping blocks are clamped in the corresponding second clamping grooves, and the two second ring grooves are arranged on the outer circular side walls of the two rotating wheels, the two rotating wheels are fixedly sleeved at two ends of the same rotating shaft, the rotating shaft is fixedly sleeved inside the two fixing rings, the outer walls of the two fixing rings are fixedly connected with fixing rods, and the other ends of the fixing rods are fixedly connected to the outer wall of the U-shaped seat.
Specifically, the fixing mechanism comprises a U-shaped rod, a jack, a moving block, clamping pieces, fixing clamping grooves and a fixing barrel, the U-shaped rod is fixedly connected to the outer wall of the U-shaped seat, the U-shaped rod is connected to the inside of the jack in an inserting mode, the jack is arranged inside the moving block, the clamping pieces are fixedly connected to the outer wall of the moving block, the clamping pieces are connected to the inside of the corresponding fixing clamping grooves in a clamping mode, the fixing clamping grooves are arranged on the outer wall of the fixing barrel at equal intervals, and the fixing barrel is fixedly connected to the surface of the rotating shaft in a fixing mode.
Specifically, the first rotating drum and the second rotating drum are arranged correspondingly.
Specifically, one side wall of the moving block is in close contact with the outer wall of the U-shaped seat.
The invention has the beneficial effects that:
(1) according to the precoated sand casting mold, the rotating wheel is driven to rotate through the arranged rotating shaft, the second ring groove and the second clamping groove on the surface are driven to rotate when the rotating wheel rotates, the belt is driven to rotate by the second ring groove and the second clamping groove, the first clamping groove is driven to rotate by the clamping block when the belt rotates, the rotating ring is driven to rotate by the first clamping groove, the rotating ring drives the first rotating cylinder and the second rotating cylinder to synchronously rotate, the first threaded ring and the second threaded ring are driven to rotate, the first threaded rod and the second threaded rod are driven to rotate, the first threaded cylinder and the second threaded cylinder are driven to move, the first pressing plate and the second pressing plate are driven to mutually approach, two molds are clamped and fixed, the molds do not need to be wrapped by the fixing plate, and material waste caused by the fact that the fixing plate needs to be damaged when the molds are taken out is prevented.
(2) According to the precoated sand casting mold, the movable block is limited through the arranged U-shaped rod, the clamping piece can be driven to move when the movable block is stirred to move, the clamping piece can be clamped in the clamping groove, the fixed cylinder is fixed through the clamping piece, the fixed cylinder is effectively fixed, the fixed cylinder is prevented from rotating, and the first pressing plate and the second pressing plate stably clamp and fix the mold.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a precoated sand casting mold according to the present invention;
FIG. 2 is a schematic top view of a precoated sand casting mold according to the present invention;
FIG. 3 is a schematic side view of a precoated sand casting mold according to the present invention;
FIG. 4 is a schematic structural view of a first rotating mechanism of a precoated sand casting mold according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 2 of a coated sand casting mold according to the present invention;
FIG. 6 is an enlarged view of portion B of FIG. 2 of a coated sand casting mold according to the present invention;
FIG. 7 is an enlarged view of portion C of FIG. 4 of a coated sand casting mold according to the present invention.
In the figure: 1. a U-shaped seat; 2. a forming mechanism; 21. a fixed block; 22. a clamping groove; 23. a mold; 24. a forming groove; 3. a first pressing mechanism; 31. a first fixing plate; 32. a first threaded rod; 33. a first platen; 34. a first bearing; 35. a first rotating drum; 36. a first threaded ring; 37. a first threaded barrel; 4. a second pressing mechanism; 41. a second fixing plate; 42. a second threaded rod; 43. a second platen; 44. a second bearing; 45. a second rotating drum; 46. a second threaded ring; 47. a second threaded barrel; 5. a transmission mechanism; 51. rotating the ring; 52. a first ring groove; 53. a first card slot; 54. a clamping block; 55. a belt; 56. a second card slot; 57. a second ring groove; 58. a rotating wheel; 59. a rotating shaft; 510. a fixing ring; 511. fixing the rod; 6. a fixing mechanism; 61. a U-shaped rod; 62. a jack; 63. a moving block; 64. a clip sheet; 65. fixing the clamping groove; 66. and (4) fixing the cylinder.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 7, the precoated sand casting mold according to the present invention includes a U-shaped seat 1, a forming mechanism 2 is disposed inside the U-shaped seat 1, a first pressing mechanism 3 is fixedly connected inside one end of the U-shaped seat 1, a second pressing mechanism 4 is fixedly connected to the other end of the U-shaped seat 1, a transmission mechanism 5 is disposed on an outer wall of the U-shaped seat 1, and a fixing mechanism 6 is disposed on a surface of the transmission mechanism 5.
Specifically, forming mechanism 2 includes fixed block 21, joint groove 22, mould 23, shaping groove 24, two fixed block 21 symmetry fixed connection are on the bottom inner wall of U-shaped seat 1, two fixed block 21 joints are inside two joint grooves 22, two joint grooves 22 are seted up respectively on the lower surface of two moulds 23, shaping groove 24 has been seted up to the inside symmetry of two moulds 23, accomplish to splice with two moulds 23 and correspondingly place inside U-shaped seat 1, the joint groove 22 joint of mould 23 lower extreme that makes is on the surface of fixed block 21, two moulds 23 that make aim at each other.
Specifically, the first pressing mechanism 3 includes a first fixing plate 31, a first threaded rod 32, a first pressing plate 33, a first bearing 34, a first rotating cylinder 35, a first threaded ring 36, and a first threaded cylinder 37, the first fixing plate 41 is fixedly connected to an inner side wall of one side of the U-shaped seat 1, the center of the first fixing plate 31 is rotatably connected with the first threaded rod 32, one end of the first threaded rod 32 close to the U-shaped seat 1 is fixedly connected with the first pressing plate 33, the surface of the first fixing plate 31 is fixedly connected with the first bearing 34, the outer wall of the first bearing 34 is fixedly sleeved with the first rotating cylinder 35, the inner wall of the other end of the first rotating cylinder 35 is fixedly sleeved with the first threaded ring 36, the first threaded ring 36 is in threaded connection with the surface of the first threaded rod 32, the other side of the first fixing plate 31 is fixedly connected with the first threaded sleeve 37, the first threaded rod 32 is in threaded connection with the first threaded sleeve 37, the rotating ring 51 drives the first rotating cylinder 35 and the second rotating cylinder 45 to rotate, the first rotating cylinder 35 and the second rotating cylinder 45 drive the first threaded ring 36 and the second threaded ring 46 to rotate, when the first threaded ring 36 and the second threaded ring 46 rotate, threads on the inner wall can extrude threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, and further drive the first threaded rod 32 and the second threaded rod 42 to rotate, threads on the inner walls of the first threaded cylinder 37 and the second threaded cylinder 47 extrude threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, so that the first threaded rod 32 and the second threaded rod 42 rotate and move, the first pressing plate 33 and the second pressing plate 43 are pushed through the first threaded rod 32 and the second threaded rod 42, and further drive the first pressing plate 33 and the second pressing plate 43 to clamp and fix the second mold 23.
Specifically, the second pressing mechanism 4 includes a second fixing plate 41, a second threaded rod 42, a second pressing plate 43, a second bearing 44, a second rotating cylinder 45, a second threaded ring 46 and a second threaded cylinder 47, the second fixing plate 31 is fixedly connected to the inner side wall of the other side of the U-shaped seat 1, the center of the second fixing plate 41 is rotatably connected with the second threaded rod 42, one end of the second threaded rod 42 close to the U-shaped seat 1 is fixedly connected with the second pressing plate 43, the surface of the second fixing plate 41 is fixedly connected with the second bearing 44, the outer wall of the second bearing 44 is fixedly sleeved with the second rotating cylinder 45, the inner wall of the other end of the second rotating cylinder 45 is fixedly sleeved with the second threaded ring 46, the second threaded ring 46 is in threaded connection with the surface of the second threaded rod 42, the other side of the second fixing plate 41 is fixedly connected with the second threaded sleeve 47, the second threaded rod 42 is in threaded connection with the second threaded sleeve, the rotating ring 51 drives the first rotating cylinder 35 and the second rotating cylinder 45 to rotate, the first rotating cylinder 35 and the second rotating cylinder 45 drive the first threaded ring 36 and the second threaded ring 46 to rotate, when the first threaded ring 36 and the second threaded ring 46 rotate, threads on the inner wall can extrude threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, and further drive the first threaded rod 32 and the second threaded rod 42 to rotate, threads on the inner walls of the first threaded cylinder 37 and the second threaded cylinder 47 extrude threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, so that the first threaded rod 32 and the second threaded rod 42 rotate and move, the first pressing plate 33 and the second pressing plate 43 are pushed through the first threaded rod 32 and the second threaded rod 42, and further drive the first pressing plate 33 and the second pressing plate 43 to clamp and fix the second mold 23.
Specifically, the transmission mechanism 5 includes rotating rings 51, first ring grooves 52, first clamping grooves 53, clamping blocks 54, belts 55, second clamping grooves 56, second ring grooves 57, rotating wheels 58, rotating shafts 59, fixing rings 510, and fixing rods 211, the two rotating rings 51 are respectively fixedly sleeved on the surfaces of the first rotating drum 35 and the second rotating drum 45, the first ring grooves 52 are respectively formed on the surfaces of the two rotating rings 51, a plurality of first clamping grooves 53 are formed inside the two first ring grooves 52, the belts 55 are movably sleeved inside the first ring grooves 52, a plurality of clamping blocks 54 are fixedly connected on the inner wall of the belts 55, the clamping blocks 54 are slidably connected inside the corresponding first clamping grooves 53, the other ends of the two belts 55 are movably sleeved inside the two second ring grooves 57, the second clamping grooves 56 are formed on the surfaces of the two clamping blocks 57, the clamping blocks 54 are clamped inside the corresponding second clamping grooves 56, the two second ring grooves 57 are formed on the outer circumferential side walls of the two rotating wheels 58, two fixed cup joints of runner 58 are at the both ends of same pivot 59, the fixed cup joint of pivot 59 is in the inside of two solid fixed ring 510, fixedly connected with dead lever 511 on two solid fixed ring 510's the outer wall, the equal fixed connection of the other end of two dead lever 511 is on the outer wall of U-shaped seat 1, rotate pivot 59, pivot 59 drives two runner 58 rotations, two second annular grooves 57 on drive surface rotate when two runner 58 rotate, drive a plurality of second draw-in grooves 56 and rotate when two second annular grooves 57 rotate, a plurality of second draw-in grooves 56 drive a plurality of fixture blocks 54 on surface and remove, a plurality of fixture blocks 54 drive two belts 55 and rotate, a plurality of fixture blocks 54 of the other end drive a plurality of first draw-in grooves 53 on two belts 55 and rotate, a plurality of first draw-in grooves 53 drive two swivel 51 rotations.
Specifically, the fixing mechanism 6 comprises a U-shaped rod 61, a jack 62, a moving block 63, a clamping piece 64, a fixed clamping groove 65 and a fixed cylinder 66, the U-shaped rod 61 is fixedly connected to the outer wall of the U-shaped seat 1, the U-shaped rod 61 is inserted into the jack 62, the jack 62 is arranged in the moving block 63, the clamping piece 64 is fixedly connected to the outer wall of the moving block 63, the clamping piece 64 is clamped in the corresponding fixed clamping groove 65, the fixed clamping grooves 65 are arranged on the outer wall of the fixed cylinder 66 at equal intervals, the fixed cylinder 66 is fixedly sleeved on the surface of the rotating shaft 59, the moving block 63 is stirred to move, the moving block 63 drives the clamping piece 64 to move, and the clamping piece 64 is clamped in the fixed clamping groove 65, further, the fixing cylinder 66 is fixed by the engaging piece 64, and the fixing cylinder 66 is effectively fixed, so that the rotation of the fixing cylinder 66 is prevented, and the first presser plate 33 and the second presser plate 43 are stably clamped and fixed to the mold 23.
Specifically, the first drum 35 is provided corresponding to the second drum 45, and the first platen 33 and the second platen 43 are further provided corresponding to each other, so that the first platen 33 and the second platen 43 stably clamp the two molds 23.
Specifically, one side wall of the moving block 63 is in close contact with the outer wall of the U-shaped holder 1, thereby preventing the moving block 63 from rotating on the surface of the U-shaped bar 61.
When in use, the two molds 23 are spliced and then correspondingly placed in the U-shaped seat 1, the clamping grooves 22 at the lower ends of the molds 23 are clamped on the surface of the fixed block 21, the two molds 23 are aligned with each other, then the rotating shaft 59 is rotated, the rotating shaft 59 drives the two rotating wheels 58 to rotate, the two rotating wheels 58 drive the two second grooves 57 on the surface to rotate, the two second grooves 57 drive the second clamping grooves 56 to rotate, the second clamping grooves 56 drive the clamping blocks 54 on the surface to move, the clamping blocks 54 drive the two belts 55 to rotate, the clamping blocks 54 at the other ends of the two belts 55 drive the first clamping grooves 53 to rotate, the first clamping grooves 53 drive the two rotating rings 51 to rotate, the two rotating rings 51 drive the first rotating cylinder 35 and the second rotating cylinder 45 to rotate, the first rotating cylinder 35 and the second rotating cylinder 45 drive the first threaded ring 36 and the second threaded ring 46 to rotate, when the first threaded ring 36 and the second threaded ring 46 rotate, the threads on the inner wall can extrude the threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, so as to drive the first threaded rod 32 and the second threaded rod 42 to rotate, the threads on the inner walls of the first threaded barrel 37 and the second threaded barrel 47 extrude the threads on the surfaces of the first threaded rod 32 and the second threaded rod 42, so as to drive the first threaded rod 32 and the second threaded rod 42 to rotate, the first pressing plate 33 and the second pressing plate 43 are pushed by the first threaded rod 32 and the second threaded rod 42, so as to drive the first pressing plate 33 and the second pressing plate 43 to clamp and fix the two dies 23, when the dies 23 need to be taken down, the rotating shaft 59 is rotated in the direction, so that the first pressing plate 33 and the second pressing plate 43 can be far away from each other, so as to contact and fix the two dies 23, and material waste caused by damaging a fixing plate outside the dies 23, after the clamping of two moulds 23 is fixed, stir movable block 63 and remove, movable block 63 can drive joint piece 64 and remove, and joint piece 64 joint is inside fixed slot 65, and then fixes fixed cylinder 66 through joint piece 64, and then effectually fixes fixed cylinder 66, prevents that fixed cylinder 66 from rotating, and the first clamp plate 33 and the second clamp plate 43 that make carry out stable centre gripping fixed to mould 23.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a tectorial membrane sand casting mould, includes U-shaped seat (1), the inside of U-shaped seat (1) is provided with forming mechanism (2), the first pressing mechanism (3) of the inside fixedly connected with of one end of U-shaped seat (1), the other end fixedly connected with second pressing mechanism (4) of U-shaped seat (1), be provided with drive mechanism (5) on the outer wall of U-shaped seat (1), drive mechanism (5) be provided with fixed establishment (6) on the surface.
2. A coated sand casting mould according to claim 1, characterised in that: the forming mechanism (2) comprises fixing blocks (21), clamping grooves (22), dies (23) and forming grooves (24), the two fixing blocks (21) are symmetrically and fixedly connected to the inner wall of the bottom of the U-shaped seat (1), the two fixing blocks (21) are clamped inside the two clamping grooves (22), the two clamping grooves (22) are respectively arranged on the lower surfaces of the two dies (23), and the forming grooves (24) are symmetrically arranged inside the two dies (23).
3. A coated sand casting mould according to claim 1, characterised in that: the first pressing mechanism (3) comprises a first fixing plate (31), a first threaded rod (32), a first pressing plate (33), a first bearing (34), a first rotating cylinder (35), a first threaded ring (36) and a first threaded cylinder (37), the first fixing plate (41) is fixedly connected to the inner side wall of one side of the U-shaped seat (1), the center of the first fixing plate (31) is rotatably connected with the first threaded rod (32), one end, close to the U-shaped seat (1), of the first threaded rod (32) is fixedly connected with the first pressing plate (33), the first bearing (34) is fixedly connected to the surface of the first fixing plate (31), the first rotating cylinder (35) is fixedly sleeved on the outer wall of the first bearing (34), the first threaded ring (36) is fixedly sleeved on the inner wall of the other end of the first rotating cylinder (35), and the first threaded ring (36) is in threaded connection with the surface of the first threaded rod (32), the other side of the first fixing plate (31) is fixedly connected with a first threaded sleeve (37), and the first threaded rod (32) is in threaded connection with the inside of the first threaded sleeve (37).
4. A coated sand casting mould according to claim 1, characterised in that: the second pressing mechanism (4) comprises a second fixing plate (41), a second threaded rod (42), a second pressing plate (43), a second bearing (44), a second rotary cylinder (45), a second threaded ring (46) and a second threaded cylinder (47), the second fixing plate (31) is fixedly connected to the inner side wall of the other side of the U-shaped seat (1), the center of the second fixing plate (41) is rotatably connected with the second threaded rod (42), one end, close to the U-shaped seat (1), of the second threaded rod (42) is fixedly connected with the second pressing plate (43), the surface of the second fixing plate (41) is fixedly connected with the second bearing (44), the outer wall of the second bearing (44) is fixedly sleeved with the second rotary cylinder (45), the inner wall of the other end of the second rotary cylinder (45) is fixedly sleeved with the second threaded ring (46), and the second threaded ring (46) is in threaded connection with the surface of the second threaded rod (42), the other side of the second fixing plate (41) is fixedly connected with a second threaded sleeve (47), and the second threaded rod (42) is in threaded connection with the inside of the second threaded sleeve (47).
5. A coated sand casting mould according to claim 1, characterised in that: the transmission mechanism (5) comprises a rotating ring (51), first ring grooves (52), first clamping grooves (53), clamping blocks (54), belts (55), second clamping grooves (56), second ring grooves (57), rotating wheels (58), rotating shafts (59), fixing rings (510) and fixing rods (211), wherein the rotating ring (51) is fixedly sleeved on the surfaces of the first rotating cylinder (35) and the second rotating cylinder (45) respectively, the first ring grooves (52) are formed in the surfaces of the two rotating rings (51), a plurality of first clamping grooves (53) are formed in the two first ring grooves (52), the belts (55) are sleeved on the inner parts of the first ring grooves (52) in a movable mode, the clamping blocks (54) are fixedly connected on the inner walls of the belts (55), the clamping blocks (54) are connected in the corresponding first clamping grooves (53) in a sliding mode, the other ends of the belts (55) are movably sleeved in the two second ring grooves (57), two second draw-in groove (56) have been seted up on the surface of second annular (57), fixture block (54) joint is inside second draw-in groove (56) that corresponds, two second annular (57) are seted up on the excircle lateral wall of two runners (58), two fixed both ends of cup jointing in same pivot (59) of runner (58), pivot (59) are fixed cup joints in the inside of two solid fixed rings (510), two fixedly connected with dead lever (511), two on the outer wall of solid fixed ring (510) the equal fixed connection of the other end of dead lever (511) is on the outer wall of U-shaped seat (1).
6. A coated sand casting mould according to claim 1, characterised in that: the fixing mechanism (6) comprises a U-shaped rod (61), an inserting hole (62), a moving block (63), a clamping piece (64), a fixing clamping groove (65) and a fixing barrel (66), the U-shaped rod (61) is fixedly connected to the outer wall of the U-shaped seat (1), the U-shaped rod (61) is inserted into the inserting hole (62), the inserting hole (62) is formed in the moving block (63), the clamping piece (64) is fixedly connected to the outer wall of the moving block (63), the clamping piece (64) is clamped in the corresponding fixing clamping groove (65), the fixing clamping grooves (65) are formed in the outer wall of the fixing barrel (66) in an equal distance, and the fixing barrel (66) is fixedly sleeved on the surface of the rotating shaft (59).
7. A coated sand casting mould according to claim 3, characterised in that: the first rotating drum (35) and the second rotating drum (45) are arranged correspondingly.
8. A coated sand casting mould according to claim 3, characterised in that: one side wall of the moving block (63) is tightly contacted with the outer wall of the U-shaped seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725007.5A CN111822685A (en) | 2020-07-24 | 2020-07-24 | Precoated sand casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010725007.5A CN111822685A (en) | 2020-07-24 | 2020-07-24 | Precoated sand casting mold |
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| CN111822685A true CN111822685A (en) | 2020-10-27 |
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| CN202010725007.5A Withdrawn CN111822685A (en) | 2020-07-24 | 2020-07-24 | Precoated sand casting mold |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846135A (en) * | 2021-01-29 | 2021-05-28 | 吉立群 | Forming device for alloy steel forging |
| CN113600749A (en) * | 2021-07-29 | 2021-11-05 | 杨柴 | Precoated sand casting mold |
| CN114210924A (en) * | 2021-12-09 | 2022-03-22 | 邢长政 | Precoated sand casting mold |
| CN116372114A (en) * | 2023-03-28 | 2023-07-04 | 江苏柯伊诺阀门有限公司 | Valve mould is produced through sand casting |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846135A (en) * | 2021-01-29 | 2021-05-28 | 吉立群 | Forming device for alloy steel forging |
| CN113600749A (en) * | 2021-07-29 | 2021-11-05 | 杨柴 | Precoated sand casting mold |
| CN113600749B (en) * | 2021-07-29 | 2023-09-01 | 三门峡强芯新材料科技有限公司 | Precoated sand casting die |
| CN114210924A (en) * | 2021-12-09 | 2022-03-22 | 邢长政 | Precoated sand casting mold |
| CN116372114A (en) * | 2023-03-28 | 2023-07-04 | 江苏柯伊诺阀门有限公司 | Valve mould is produced through sand casting |
| CN116372114B (en) * | 2023-03-28 | 2024-03-01 | 江苏柯伊诺阀门有限公司 | Valve mould is produced through sand casting |
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Application publication date: 20201027 |