CN117066489A - Sand casting production line and process for engine cylinder cover - Google Patents
Sand casting production line and process for engine cylinder cover Download PDFInfo
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- CN117066489A CN117066489A CN202311023579.9A CN202311023579A CN117066489A CN 117066489 A CN117066489 A CN 117066489A CN 202311023579 A CN202311023579 A CN 202311023579A CN 117066489 A CN117066489 A CN 117066489A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 207
- 238000007528 sand casting Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000008569 process Effects 0.000 title claims abstract description 12
- 238000005266 casting Methods 0.000 claims abstract description 32
- 238000007790 scraping Methods 0.000 claims abstract description 24
- 239000003110 molding sand Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract 3
- 239000004576 sand Substances 0.000 claims description 65
- 230000000903 blocking effect Effects 0.000 claims description 16
- 239000002184 metal Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 230000002146 bilateral effect Effects 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction 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
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/02—Vibratory apparatus specially designed for shaking out flasks
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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
- B22D33/02—Turning or transposing moulds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention provides an engine cylinder cover sand casting production line and a process thereof, which relate to the field of casting production lines and comprise the following steps: two mounting cylinders are symmetrically welded at the front end and the rear end of the production line conveying flat plate, two sprocket shafts are symmetrically arranged in the two mounting cylinders in a penetrating and rotating mode, four sprockets are symmetrically sleeved at the left end and the right end of each sprocket shaft, and a circle of pushing slat is fixedly arranged between two production line chains at equal intervals in a surrounding mode; a large-area material leakage groove is formed in the bottom plate of the production line vibrating box; the driving gear is meshed with a circle of tooth grooves for transmission, and the vibrating motor can be meshed rotatably to drive the two vertical supporting stress rods and the scraping plate to slide back and forth at the bottom side of the production line vibrating box through the reciprocating screw rod, so that the screen falls on the production line vibrating box and the molding sand at the bottom side is pushed out left and right, the problem that the peeled molding sand is piled up at the bottom side of the production line vibrating box and needs to be cleaned manually and regularly is conducive to the follow-up repeated collection and utilization of the peeled molding sand.
Description
Technical Field
The invention relates to the technical field of casting production lines, in particular to an engine cylinder head sand casting production line and a process thereof.
Background
The casting production line equipment is applied, popularized and popularized, replaces manual operation, realizes mechanical semi-automatic or automatic production in casting production of engine cylinder head sand in the automobile industry, and is required to be used in the sand casting production line of the engine cylinder head sand.
The existing sand casting production line has the advantages that the existing sand casting production line is provided with a plurality of conveying functions, the existing sand casting production line cannot directly strip the workpiece after cooling forming from the sand mould in the production and use processes, the sand mould can be taken out after forming only by crushing the sand mould with additional manual force, the use is inconvenient, the labor intensity of workers is increased, the sand mould is crushed manually, and a hammering mode is adopted, so that the large-scale splashing of the molding sand is inconvenient to collect in the subsequent cleaning process, and the operation is laborious and low-efficiency.
Disclosure of Invention
In view of the above, the invention provides a sand casting production line of an engine cylinder head and a process thereof, which are used for solving the problems that a plurality of sand casting production lines have a single conveying function, a workpiece after cooling molding cannot be directly stripped from a sand mold in the production and use processes, the sand mold is required to be crushed by additional manual force to take out the molded casting workpiece, the use is inconvenient, the labor intensity of workers is increased, the sand mold is crushed by manual force, and a hammering mode is adopted, so that the large-scale splashing of the sand mold is inconvenient for subsequent cleaning and collecting, and the operation is laborious and low-efficiency.
The invention provides an engine cylinder cover sand casting production line and a process thereof, and the production line specifically comprises the following steps: the production line conveying flat plate is characterized in that two mounting cylinders are symmetrically welded at the front end and the rear end of the production line conveying flat plate, the two mounting cylinders provide convenience for mounting four chain wheels and two production line chains, two chain wheel shafts are symmetrically arranged in the two mounting cylinders in a penetrating and rotating mode, four chain wheels are symmetrically sleeved at the left end and the right end of the two chain wheel shafts, two production line chains are symmetrically and tightly sleeved between the four chain wheels in a supporting mode, and a circle of pushing slat is fixedly arranged between the two production line chains in an encircling mode at equal intervals; the top end of the production line conveying flat plate is used for supporting and placing the sand mould and a supporting plate for bearing the sand mould, and a circle of pushing strip plates move along with the chain of the production line to be in abutting contact with the supporting plate at the bottom of the sand mould; two production line vertical supporting frames are symmetrically welded on the two mounting cylinders in front-back direction, an auxiliary supporting production line vertical supporting frame is welded on the rear side production line vertical supporting frame, a production line vibration box is slidably mounted on the rear side production line vertical supporting frame and the auxiliary supporting production line vertical supporting frame, and the production line vibration boxes are obliquely arranged; a large-area leakage groove is formed in the bottom plate of the production line vibration box, a row of blocking shafts are welded in the leakage groove at equal intervals, a row of strip-shaped structure leakage grooves are formed between the blocking shafts at intervals, the strip-shaped structure leakage grooves are used for leaking loose and peeled molding sand, the width of the strip-shaped structure leakage grooves is moderate, the molded casting workpiece and supporting plate can be subjected to blocking filtration, and the cooled sand mould is conveyed backwards by two production line chains and falls into the production line vibration box; a vibrating motor is fixedly arranged at the bottom of the left end of the vertical supporting frame of the production line at the rear side, a driving shaft lever is rotatably arranged at the rear side of the bottom space of the vertical supporting frame of the production line at the rear side, and the vibrating motor and the driving shaft lever are in meshed transmission through gears; two driving wheels are symmetrically sleeved at the left end and the right end of the driving shaft rod, a connecting rod is rotationally connected to the circumferential outer ring of each driving wheel, and the top end sections of the two connecting rods are rotationally connected with the left side wall and the right side wall of the production line vibrating box.
Further, a production line driving force source mounting plate is welded at the top of the vertical support supporting rod at the right end of the vertical support frame of the production line at the front side, a conveying motor is mounted on the production line driving force source mounting plate in a locking mode through screws, and the conveying motor is in shaft connection transmission with a chain wheel shaft at the rear side.
Further, the bottom section of the left end vertical supporting rod of the vertical supporting frame of the production line at the rear side is welded and supported with a driving force source mounting plate of the production line, and the vibration motor is fixedly connected with the driving force source mounting plate of the production line through screw locking.
Further, a driving gear is sleeved on the rotating shaft of the vibration motor, a circle of tooth grooves are formed in the outer ring of the circumference of the driving wheel in a surrounding mode, and the driving gear is meshed with the circle of tooth grooves for transmission.
Further, the rear side the bottom section of the vertical support frame left and right vertical support supporting rods of the production line is symmetrically welded with two longitudinal support mounting plates backwards, the driving shaft rod corresponds to the head end parts of the two longitudinal support mounting plates to penetrate through and be in running fit, and the two longitudinal support mounting plates provide convenience for the installation of the driving shaft rod and the reciprocating screw rod.
Further, a reciprocating screw is rotatably installed on the middle part of the two longitudinal support mounting plates in a penetrating mode, a scraping plate is slidably installed on the reciprocating screw and the driving shaft rod, and the reciprocating screw is in transmission with the vibrating motor shaft.
Further, the bottom of scraping the flitch is the oblique structure of cutting open of awl point, and scraping the flitch downward stay and arrange in the production line vibration case bottom side space and be close to the position on ground, the top of scraping the flitch is the interval welding around and has two vertical support atress poles, the top section of two vertical support atress poles corresponds with reciprocal lead screw and drive axostylus axostyle sliding fit.
Further, four groups of limiting clamping plates are symmetrically welded on the left side wall and the right side wall of the production line vibrating box, the four groups of limiting clamping plates correspond to the left vertical supporting shaft rod and the right vertical supporting shaft rod of the production line vertical supporting frame which is supported in a sliding mode, the four groups of limiting clamping plates can limit the sliding track of the production line vibrating box, the production line vibrating box can slide and vibrate up and down directly, the production line vibrating box is prevented from falling off from the rear side production line vertical supporting frame and the auxiliary supporting production line vertical supporting frame, and normal implementation of the sand mould vibrating crushing and stripping functions of the production line vibrating box can be guaranteed.
Further, the upper end and the lower end of the production line vibrating box are both of an opening structure.
Further, the method comprises the following steps:
(1) firstly, placing a cylinder cover sand mould and a supporting plate bearing the cylinder cover sand mould at the top end of a conveying flat plate of a production line, and then casting molten metal liquid into the sand mould, wherein the pouring time of the metal liquid is controlled within 15 seconds;
(2) then, the two chain wheels are controlled to be in click-action to backwards convey the cast sand mould, the holding time of the pressing click-action is 4s to 5s, and the steps are repeated to continuously carry the cylinder head sand mould to a conveying flat plate of a production line for casting;
(3) the cast sand mould is gradually cooled along with intermittent rotary transmission of the two chain wheels, and the cast sand mould is conveyed to the rear end of a production line conveying flat plate and falls into a production line vibrating box;
(4) the vibrating motor drives the vibrating box of the production line to slide and vibrate up and down at high frequency through the rotation of the driving shaft rod to strip the loose sand mould and the molded casting piece, meanwhile, the loose and stripped molding sand screen is placed on the bottom side of the vibrating box of the production line, and the stripped casting piece and the stripped supporting plate are trapped at the top end of a row of blocking shafts;
(5) the vibrating motor is in shaft connection with the reciprocating screw rod and can rotate through the reciprocating screw rod to drive the scraping plate to slide left and right in a reciprocating manner, and the sifted molding sand is pushed out from the bottom side of the production line vibrating box to the two sides of the production line vibrating box;
(6) the casting parts and the supporting plates are trapped at the top ends of the blocking shafts and can slide downwards and obliquely discharge along with the vibration of the vibrating box of the production line, and finally, the discharged casting parts and supporting plates are taken away by staff.
The beneficial effects are that:
1. according to the invention, the vibrating motor and the driving shaft rod are meshed and driven through the gears, so that the vibrating motor and the driving shaft rod can rotate to drive the production line vibrating box to slide up and down for high-frequency vibration, loose stripping is carried out on the sand mold, the cast piece after cooling molding is stripped, meanwhile, loose stripped molding sand is sieved and falls on the bottom side of the production line vibrating box, the stripped cast piece and supporting plate are trapped at the top end of a row of blocking shafts and are discharged from the inside of the production line vibrating box in a sliding and tilting manner through the high-frequency vibration of the production line vibrating box, the stripping of the cast piece and the sand mold after molding is automatically completed, compared with the prior art, the functions are various, the problem that the cast piece after cooling molding can be directly stripped from the sand mold, the sand mold can be taken out after molding only by additional manual force is omitted, the use is more convenient, the labor intensity of workers is reduced, and compared with the manual implementation of the sand mold crushing in a hammering manner, the large-scale splashing can be avoided, the subsequent cleaning and collection of molding sand is convenient, and the operation is more labor-saving and efficient.
2. According to the invention, through the reciprocating screw rod, the vibrating motor can be rotationally engaged to drive the two vertical supporting stress rods and the scraping plate to slide back and forth on the bottom side of the production line vibrating box, molding sand which is sieved on the bottom side of the production line vibrating box is pushed out left and right, the peeled molding sand is prevented from being accumulated on the bottom side of the production line vibrating box, the trouble of manual regular cleaning is avoided, the follow-up repeated collection and utilization of peeled molding sand is facilitated, the vibrating motor can be used for vibrating and driving the production line vibrating box and pushing and driving the scraping plate, the dual-purpose use effect is realized, the driving motor is omitted for the production line vibrating box and the scraping plate, and the whole reduction of manufacturing cost and energy consumption of production line equipment and the promotion of competitiveness are facilitated.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the overall left side structure of the sand casting line of the engine cylinder head of the present invention.
Fig. 2 is a schematic view of the overall right-side structure of the sand casting production line of the engine cylinder head of the present invention.
Fig. 3 is a schematic view of the overall bottom side structure of the sand casting line of the engine cylinder head of the present invention.
Fig. 4 is a schematic diagram of the bottom side structure of a vibrating box of the sand casting production line of the engine cylinder cover.
Fig. 5 is a schematic view of a scraper structure of an engine cylinder head sand casting production line of the present invention.
FIG. 6 is a schematic illustration of two sprocket mounting locations of the sand casting line of the engine cylinder head of the present invention.
Fig. 7 is a schematic diagram of a production line conveying flat plate structure of the sand casting production line of the engine cylinder cover.
Fig. 8 is a schematic diagram of the structure of a push lath of the sand casting production line of the engine cylinder cover of the present invention.
List of reference numerals
1. Conveying flat plates by a production line; 101. a mounting cylinder; 102. a production line vertical supporting frame; 103. a sprocket; 104. a production line chain; 105. pushing the lath; 106. a production line driving force source mounting plate; 107. a longitudinal support mounting plate; 2. a production line vibration box; 201. a limiting clamping plate; 3. a vibration motor; 4. a drive shaft; 401. a driving wheel; 402. a connecting rod; 5. a reciprocating screw; 6. a scraping plate; 601. a vertical supporting stress rod; 7. and a conveying motor.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention.
Please refer to fig. 1 to 8:
embodiment one:
the invention provides an engine cylinder head sand casting production line and a process thereof, wherein the production line sand casting production line comprises a production line conveying flat plate 1, two mounting cylinders 101 are symmetrically welded at the front end and the rear end of the production line conveying flat plate 1, the two mounting cylinders 101 provide convenience for mounting four chain wheels 103 and two production line chains 104, two chain wheel shafts are symmetrically arranged in the two mounting cylinders 101 in a penetrating and rotating manner, four chain wheels 103 are symmetrically sleeved at the left end and the right end of each chain wheel shaft, two production line chains 104 are tightly sleeved between the four chain wheels 103 in a bilateral symmetry manner, and a circle of pushing slat 105 is fixedly arranged between the two production line chains 104 in a surrounding manner at equal intervals; the top end of the production line conveying flat plate 1 is used for supporting and placing the sand mould and supporting the supporting plate of the sand mould, a circle of pushing slat 105 moves along with the production line chain 104 to be in abutting contact with the supporting plate at the bottom of the sand mould, and the conveying motor 7 can rotate to drive the two production line chains 104 to push and convey the supporting plate and the sand mould backwards through the circle of pushing slat 105; two production line vertical support frames 102 are symmetrically welded on the two mounting cylinders 101 in front-back direction, an auxiliary supporting production line vertical support frame 102 is welded on the rear side production line vertical support frame 102, and a production line vibration box 2 is slidably arranged on the rear side production line vertical support frame 102 and the auxiliary supporting production line vertical support frame 102, wherein the production line vibration boxes 2 are obliquely arranged; a large-area leakage groove is formed in the bottom plate of the production line vibration box 2, a row of blocking shafts are welded in the leakage groove at equal intervals, a row of strip-shaped structure leakage grooves are formed between the blocking shafts at intervals, the strip-shaped structure leakage grooves are used for leaking loose and peeled molding sand, the strip-shaped structure leakage grooves are moderate in width and can be used for blocking and filtering molded casting workpieces and supporting plates, and cooled sand molds are conveyed backwards by two production line chains 104 and fall into the production line vibration box 2; a vibrating motor 3 is fixedly arranged at the bottom part of the left end of the rear production line vertical support frame 102, a driving shaft lever 4 is rotatably arranged at the rear side of the bottom space of the rear production line vertical support frame 102, and the vibrating motor 3 and the driving shaft lever 4 are in meshed transmission through gears; two driving wheels 401 are symmetrically sleeved at the left end and the right end of the driving shaft lever 4, a connecting rod 402 is rotationally connected to the circumferential outer ring of the two driving wheels 401, the top end sections of the two connecting rods 402 are rotationally connected with the left side wall and the right side wall of the production line vibration box 2, the two connecting rods 402, the two driving wheels 401 and the production line vibration box 2 are jointly connected to form two crank slide block mechanisms, the driving shaft lever 4 and the two driving wheels 401 rotationally drive the production line vibration box 2 to slide up and down for vibration, the vibration motor 3 and the driving shaft lever 4 are in gear engagement transmission, and then the driving motor rotationally drives the production line vibration box 2 to slide up and down for high-frequency vibration, loose stripping is carried out on a sand mold, loose stripped casting pieces are simultaneously sieved at the bottom side of the production line vibration box 2, the stripped casting pieces and supporting plates are intercepted at the top end of a row of blocking shafts and slide down from the inside of the production line vibration box 2 through high-frequency vibration, the automatic completion of casting pieces and stripping, compared with the stripping of the driving shaft 401, the sand mold can be broken and can be directly carried out by adopting a manual crushing and high-efficiency, the subsequent manual stripping operation can be conveniently carried out by the manual operation, the manual stripping can be avoided, and the subsequent manual stripping can be conveniently carried out by the manual grinding and the manual grinding can be conveniently and the manually broken and the manual grinding can be conveniently broken and easily removed.
The top of the right vertical supporting rod of the front side production line vertical supporting frame 102 is welded with a production line driving force source mounting plate 106, a conveying motor 7 is mounted on the production line driving force source mounting plate 106 through screw locking, the conveying motor 7 is in shaft connection transmission with a chain wheel shaft at the rear side, and the conveying motor 7 is controlled to start and stop by inching.
The bottom section of the left end vertical supporting strut of the rear side production line vertical supporting frame 102 is welded and supported with a production line driving force source mounting plate 106, and the vibration motor 3 is fixedly connected with the production line driving force source mounting plate 106 through screw locking.
Wherein, a driving gear is sleeved on the rotating shaft of the vibration motor 3, a circle of tooth grooves are formed on the circumference outer ring of the driving wheel 401 in a surrounding manner, and the driving gear is meshed with the circle of tooth grooves for transmission.
Wherein, the bottom section of the left and right vertical supporting support rods of the vertical supporting frame 102 of the rear side production line is symmetrically welded with two longitudinal supporting mounting plates 107, the driving shaft rod 4 corresponds to the head end parts of the two longitudinal supporting mounting plates 107 to penetrate through and be in running fit, and the two longitudinal supporting mounting plates 107 provide convenience for the installation of the driving shaft rod 4 and the reciprocating screw rod 5.
Four groups of limiting clamping plates 201 are symmetrically welded on the left side wall and the right side wall of the production line vibrating box 2, the four groups of limiting clamping plates 201 are correspondingly matched with the left vertical supporting shaft rods and the right vertical supporting shaft rods of the rear side production line vertical supporting frame 102 and the auxiliary supporting production line vertical supporting frame 102 in a sliding mode, the upper end and the lower end of the production line vibrating box 2 are of opening structures, the four groups of limiting clamping plates 201 can limit the sliding track of the production line vibrating box 2, the production line vibrating box 2 can keep to directly slide up and down to vibrate, the production line vibrating box 2 is prevented from falling off from the rear side production line vertical supporting frame 102 and the auxiliary supporting production line vertical supporting frame 102, and normal implementation of the sand mould vibrating stripping function of the production line vibrating box 2 can be guaranteed.
Embodiment two: the invention provides an engine cylinder cover sand casting production line and a process thereof, and the production line also comprises a reciprocating screw 5 which is rotatably arranged on the middle parts of two longitudinal support mounting plates 107 in a penetrating way, a scraping plate 6 is slidably arranged on the reciprocating screw 5 and a driving shaft lever 4, and the reciprocating screw 5 is in shaft connection transmission with a vibration motor 3.
The bottom of the scraping plate 6 is of a conical tip oblique-cutting structure, the scraping plate 6 is downwards supported and arranged at a position, close to the ground, in a bottom side space of the production line vibration box 2, two vertical supporting stress rods 601 are welded at intervals front and back to the top end of the scraping plate 6, the top end sections of the two vertical supporting stress rods 601 are correspondingly matched with the reciprocating screw 5 and the driving shaft 4 in a sliding mode, the reciprocating screw 5 is used for rotatably meshing and driving the two vertical supporting stress rods 601 and the scraping plate 6 to slide back and forth at the bottom side of the production line vibration box 2 through the reciprocating screw 5, the screen falls on the molding sand at the bottom side of the production line vibration box 2 to push out, the peeled molding sand is prevented from accumulating at the bottom side of the production line vibration box 2, the trouble of manual regular cleaning is avoided, follow-up repeated collection and utilization of peeled molding sand is facilitated, the vibration motor 3 can not only vibrate and drive the production line vibration box 2, but also push and drive the scraping plate 6, the production line vibration box 2 and the scraping plate 6 are independently provided with a dual-purpose use effect, and the driving motor is omitted, the whole production line vibration box 2 and the whole production line vibration box is helped, and the energy consumption is reduced.
The method comprises the following steps of:
(1) firstly, placing a cylinder cover sand mould and a supporting plate bearing the cylinder cover sand mould at the top end of a conveying flat plate 1 of a production line, and then casting molten metal into the sand mould, wherein the pouring time of the metal is controlled within 15 seconds;
(2) then, the two chain wheels 103 are controlled to be in click-action to backwards convey the cast sand mould, the holding time of the pressing click-action is 4s to 5s, and the steps are repeated to continuously carry the cylinder head sand mould to the production line conveying flat plate 1 for casting;
(3) the cast sand mold is gradually cooled along with intermittent rotation and transmission of the two chain wheels 103, and the cast sand mold is conveyed to the rear end of the production line conveying flat plate 1 and falls into the production line vibrating box 2;
(4) the vibrating motor 3 drives the production line vibrating box 2 to vibrate in a vertical high-frequency sliding way through the rotation of the driving shaft lever 4 so as to strip loose sand molds and molded casting parts, meanwhile, the loose and stripped molding sand is sieved and falls on the bottom side of the production line vibrating box 2, and the stripped casting parts and supporting plates are trapped at the top ends of a row of blocking shafts;
(5) the vibrating motor 3 is in shaft connection with the reciprocating screw 5 for transmission, the vibrating motor 3 can rotate through the reciprocating screw 5 to drive the scraping plate 6 to slide left and right in a reciprocating manner, and the sifted molding sand is pushed out from the bottom side of the production line vibrating box 2 to the two sides of the production line vibrating box 2;
(6) the casting parts and the supporting plates are trapped at the top ends of the blocking shafts and can slide downwards and obliquely discharge along with the vibration of the production line vibration box 2, and finally, the discharged casting parts and supporting plates are taken away by staff.
Specific use and action of the embodiment: when the device is used, firstly, a cylinder head sand mould and a supporting plate bearing the cylinder head sand mould are placed at the top end of a production line conveying flat plate 1, molten metal is cast into the sand mould, then, the two chain wheels 103 are controlled to transfer the cast sand mould backwards, the steps are repeated to continuously carry the cylinder head sand mould onto the production line conveying flat plate 1 for casting, the cast sand mould is gradually cooled along with intermittent rotation of the two chain wheels 103, the cast sand mould is conveyed to the rear end of the production line conveying flat plate 1 and falls into a production line vibrating box 2, a vibrating motor 3 drives the production line vibrating box 2 to slide and vibrate vertically through a driving shaft 4 to loose the sand mould and strip a molded casting piece, meanwhile, the loose stripped casting piece and supporting plate are intercepted at the top end of a row of blocking shaft, the vibrating motor 3 is driven to be connected with a reciprocating screw 5 in a shaft mode, the vibrating motor 3 drives a scraping plate 6 to slide left and right in a reciprocating mode through the reciprocating screw 5, the fallen sand mould is pushed out of the bottom side of the production line vibrating box 2 to the two sides of the production line vibrating box 2, and the casting piece and the supporting plate can be completely removed through the vibrating shaft, and finally, the vibrating personnel can slide and the supporting plate is removed from the vibrating box and the vibrating piece is discharged from the top end of the production line.
Claims (10)
1. The sand casting production line for the engine cylinder cover is characterized by comprising the following steps of: the production line conveying flat plate (1), two mounting cylinders (101) are symmetrically welded at the front end and the rear end of the production line conveying flat plate (1), two sprocket shafts are symmetrically installed in the two mounting cylinders (101) in a penetrating and rotating mode, four sprockets (103) are symmetrically sleeved at the left end and the right end of the two sprocket shafts, two production line chains (104) are tightly sleeved between the four sprockets (103) in a bilateral symmetry supporting mode, and a circle of pushing battens (105) are fixedly arranged between the two production line chains (104) in an encircling mode at equal intervals; the top end of the production line conveying flat plate (1) is used for supporting and placing a sand mould and a supporting plate for bearing the sand mould, and a circle of pushing strip plates (105) move along with a production line chain (104) to be in abutting contact with the supporting plate at the bottom of the sand mould; two production line vertical supporting frames (102) are symmetrically welded on the two mounting cylinders (101) front and back, an auxiliary supporting production line vertical supporting frame (102) is welded on the rear side production line vertical supporting frame (102), and a production line vibrating box (2) is slidably arranged on the rear side production line vertical supporting frame (102) and the auxiliary supporting production line vertical supporting frame (102), and the production line vibrating box (2) is obliquely arranged; a large-area material leakage groove is formed in the bottom plate of the production line vibrating box (2), a row of blocking shafts are welded in the material leakage groove at equal intervals, and the cooled sand mould is conveyed backwards by two production line chains (104) and falls into the production line vibrating box (2); a vibrating motor (3) is fixedly arranged at the bottom of the left end of the production line vertical support frame (102) at the rear side, a driving shaft lever (4) is rotatably arranged at the rear side of the bottom space of the production line vertical support frame (102) at the rear side, and the vibrating motor (3) and the driving shaft lever (4) are in meshed transmission through gears; two driving wheels (401) are symmetrically sleeved at the left end and the right end of the driving shaft rod (4), a connecting rod (402) is rotatably connected to the circumferential outer ring of each driving wheel (401), and the top end sections of the two connecting rods (402) are rotatably connected with the left side wall and the right side wall of the production line vibrating box (2).
2. An engine cylinder head sand casting line as defined in claim 1, wherein: the front side the top welding that the production line erects the frame (102) right-hand member erects the branch has a production line driving force source mounting disc (106), installs a conveying motor (7) through screw locking on this production line driving force source mounting disc (106), and conveying motor (7) and the sprocket shaft coupling transmission of rear side.
3. An engine cylinder head sand casting line as defined in claim 1, wherein: the bottom section of the left end vertical support supporting rod of the production line vertical support frame (102) at the rear side is welded and supported with a production line driving force source mounting plate (106), and the vibration motor (3) is fixedly connected with the production line driving force source mounting plate (106) through screw locking.
4. An engine cylinder head sand casting line as defined in claim 1, wherein: a driving gear is sleeved on a rotating shaft of the vibration motor (3), a circle of tooth grooves are formed in the outer ring of the circumference of the driving wheel (401) in a surrounding mode, and the driving gear is meshed with the circle of tooth grooves for transmission.
5. An engine cylinder head sand casting line as defined in claim 1, wherein: two longitudinal support mounting plates (107) are symmetrically and backwards welded on the bottom sections of the left and right longitudinal support supporting rods of the production line longitudinal support frame (102) at the rear side, and the driving shaft rod (4) is correspondingly in running fit with the head end parts of the two longitudinal support mounting plates (107).
6. An engine cylinder head sand casting line as claimed in claim 5, wherein: a reciprocating screw (5) is rotatably installed on the middle part of the two longitudinal support mounting plates (107), a scraping plate (6) is slidably installed on the reciprocating screw (5) and the driving shaft rod (4), and the reciprocating screw (5) is in shaft connection transmission with the vibration motor (3).
7. An engine cylinder head sand casting line as claimed in claim 6, wherein: the bottom of scraping plate (6) is the oblique structure of cutting open of awl point, and scraping plate (6) downward bracing is arranged in the position that is close to ground in production line vibration case (2) bottom side space, and the top of scraping plate (6) is the interval welding around being has two perpendicular stress bars (601), and the top section correspondence of two perpendicular stress bars (601) is with reciprocating screw (5) and driving shaft (4) sliding fit.
8. An engine cylinder head sand casting line as defined in claim 1, wherein: four groups of limiting clamping plates (201) are symmetrically welded on the left side wall and the right side wall of the production line vibrating box (2), and the four groups of limiting clamping plates (201) are correspondingly in sliding fit with the left vertical supporting shaft rods and the right vertical supporting shaft rods of the rear side production line vertical supporting frame (102) and the auxiliary supporting production line vertical supporting frame (102).
9. An engine cylinder head sand casting line as defined in claim 1, wherein: the upper end and the lower end of the production line vibrating box (2) are both of an opening structure.
10. A process for using an engine cylinder head sand casting line according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:
(1) firstly, placing a cylinder cover sand mould and a supporting plate bearing the cylinder cover sand mould at the top end of a production line conveying flat plate (1), and then casting molten metal liquid into the sand mould, wherein the pouring time of the metal liquid is controlled within 15 s;
(2) then, the two chain wheels (103) are controlled to be in click-to-click mode to convey the cast sand mould backwards, the holding time of the pressing click action is 4s to 5s, and the steps are repeated to continuously convey the cylinder head sand mould to a production line conveying flat plate (1) for casting;
(3) the cast sand mold is gradually cooled along with intermittent rotation and transmission of the two chain wheels (103), and the cast sand mold is conveyed to the rear end of the production line conveying flat plate (1) and falls into the production line vibrating box (2);
(4) the vibrating motor (3) drives the production line vibrating box (2) to vibrate in an up-down high-frequency sliding way through the rotation of the driving shaft lever (4) so as to strip loose sand molds and molded casting parts, meanwhile, the loose and stripped molding sand is sieved and falls on the bottom side of the production line vibrating box (2), and the stripped casting parts and supporting plates are trapped at the top ends of a row of blocking shafts;
(5) the vibrating motor (3) is in shaft connection with the reciprocating screw (5), the vibrating motor (3) can rotate through the reciprocating screw (5) to drive the scraping plate (6) to slide left and right in a reciprocating manner, and the sifted molding sand is pushed out from the bottom side of the production line vibrating box (2) to the two sides of the production line vibrating box (2);
(6) the casting parts and the supporting plates are trapped at the top ends of a row of blocking shafts and can slide downwards and obliquely discharge along with the vibration of the production line vibration box (2), and finally, the discharged casting parts and supporting plates are taken away by staff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311023579.9A CN117066489A (en) | 2023-08-15 | 2023-08-15 | Sand casting production line and process for engine cylinder cover |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311023579.9A CN117066489A (en) | 2023-08-15 | 2023-08-15 | Sand casting production line and process for engine cylinder cover |
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| Publication Number | Publication Date |
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| CN117066489A true CN117066489A (en) | 2023-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311023579.9A Pending CN117066489A (en) | 2023-08-15 | 2023-08-15 | Sand casting production line and process for engine cylinder cover |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118180338A (en) * | 2024-05-17 | 2024-06-14 | 泰州市锦峰新材料科技有限公司 | Sand box sand cleaning device |
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2023
- 2023-08-15 CN CN202311023579.9A patent/CN117066489A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118180338A (en) * | 2024-05-17 | 2024-06-14 | 泰州市锦峰新材料科技有限公司 | Sand box sand cleaning device |
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