CN110421139B - Positioning and forming die and forming processing method for rear cover casting - Google Patents
Positioning and forming die and forming processing method for rear cover casting Download PDFInfo
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- CN110421139B CN110421139B CN201910816256.2A CN201910816256A CN110421139B CN 110421139 B CN110421139 B CN 110421139B CN 201910816256 A CN201910816256 A CN 201910816256A CN 110421139 B CN110421139 B CN 110421139B
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- 238000005266 casting Methods 0.000 title claims abstract description 51
- 238000003672 processing method Methods 0.000 title claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 143
- 238000001816 cooling Methods 0.000 claims abstract description 42
- 238000004512 die casting Methods 0.000 claims abstract description 31
- 238000010992 reflux Methods 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims abstract description 17
- 230000000694 effects Effects 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims description 18
- 208000025962 Crush injury Diseases 0.000 claims description 9
- 230000006978 adaptation Effects 0.000 claims description 9
- 238000000465 moulding Methods 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000008901 benefit Effects 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 125000004122 cyclic group Chemical group 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003872 anastomosis Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
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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
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2236—Equipment for loosening or ejecting castings from dies
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a rear cover casting positioning and forming die in the technical field of rear cover casting positioning and forming dies, wherein a die casting groove matched with a die core is formed in the center of the top of a lower die, process steps are formed in the outer side of the top of the lower die, positioning holes matched with positioning columns are formed in the left side and the right side of the top of the lower die, a water cooling ring is fixedly arranged on the outer wall of the lower die, a water tank is fixedly arranged at the top of a base, a cold water pump and a reflux water pump are fixedly arranged on the left side and the right side of the top of the water tank respectively, a water inlet pipe and a reflux pipe which are fixedly connected with the water cooling ring are fixedly arranged on the cold water pump and the reflux water pump respectively, a discharging electric telescopic rod group is fixedly arranged on the side wall of the opposite side of each of two groups, a gripper device is fixedly arranged on the discharging electric telescopic rod group, the effect of accurate positioning can be achieved when workpieces are punched, the die casting precision of the workpieces can be higher, and the precision of products can be improved.
Description
Technical Field
The invention relates to the technical field of rear cover casting positioning and forming dies, in particular to a rear cover casting positioning and forming die and a forming processing method.
Background
The die is a tool for making blanks into workpieces with specific shapes and sizes under the action of external force, is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy part pressing and pressure casting, and compression molding or injection molding of engineering plastics, rubber, ceramics and other products, the die has specific outline or cavity shape, the existing back cover casting processing die directly utilizes an upper die and a lower die to carry out stamping forming, and in some products with high precision requirements, after the movable die is subjected to multiple die closing and die opening, the matching of the movable die core and the fixed die core can deviate, so that the product precision is reduced, the products are directly scrapped, or the products can reach the precision requirements through secondary processing, the production cost is greatly improved, the production benefit is reduced, and the casting molding speed is lower due to lower casting cooling speed, the working efficiency is not high, and the castings possibly adhere inside the die after being finished, are difficult to die opening, and the working efficiency is seriously influenced.
Disclosure of Invention
The invention aims to provide a rear cover casting positioning and forming die and a forming processing method, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a back lid foundry goods location forming die, includes the base, the top left and right sides of base is all fixed to be provided with the support, two sets of the fixed roof that is provided with in top of support, the fixed lower mould that is provided with of bottom center department of roof goes up and down electric telescopic handle, the output fixedly connected with of lower mould goes up the mould, the equal fixedly connected with ball guide sleeve of the left and right sides wall of going up the mould, the bottom left and right sides of roof is all fixed to be provided with the ball guide pillar with ball guide sleeve looks adaptation, the fixed die core that is provided with in bottom center department of going up the mould, the bottom left and right sides of going up the mould is all fixed to be nested and is provided with the insert, two sets of fixed being provided with on the insert the reference column, two sets of the baffle between the support, the fixed die casting groove with the top of mould looks adaptation is offered in the top center department of lower mould, just the top outside of lower mould has been seted up the technology step, the top left and right sides of lower mould all is provided with the ball guide pillar looks adaptation, the fixed water cooling loop and the fixed water pump is provided with the water cooling loop, the fixed water pump is provided with the water cooling loop and the fixed water pump is equipped with the water cooling loop, and the fixed water pump is equipped with the water pump is fixed with the water cooling down water pump is fixed to the water cooling station, and is fixed to the water pump.
Preferably, the electric telescopic rod group, the lifting electric telescopic rod, the gripper device, the cold water supply pump and the reflux water pump are electrically input and connected with the single-chip microcomputer controller, and the electric telescopic rod group, the lifting electric telescopic rod, the gripper device, the cold water supply pump, the reflux water pump and the single-chip microcomputer controller are electrically connected with an external power supply.
Preferably, the water cooling ring comprises a water cooling sheet arranged on the outer side of the lower die, a copper heat conducting sheet is fixedly arranged on the inner wall of the water cooling sheet, and a first water pipe connector and a second water pipe connector which are connected with a water inlet pipe and a return pipe are respectively fixedly arranged on the left side wall and the right side wall of the water cooling sheet.
Preferably, the inner cavity of the water cooling ring is provided with a diversion cavity, the diversion cavity is in positive spiral distribution along the circumferential direction of the water cooling ring, and the left end and the right end of the diversion cavity are respectively connected with the first water pipe joint and the second water pipe joint.
Preferably, the tongs device is including fixing the fixed frame at the electric telescopic handle group output of unloading, fixed being provided with the electric telescopic handle of centre gripping on the fixed frame, the output fixedly connected with hinge block of electric telescopic handle of centre gripping, the equal activity hinge of round pin axle is gone up in the left and right sides of hinge block has a shape frame of rolling over, the corner of shape frame of rolling over is articulated on the fixed frame through the articulated shaft activity, the fixed piece of unloading that is provided with and lower mould looks adaptation on the inboard lateral wall of shape frame of rolling over.
Preferably, the electric telescopic rod group for unloading corresponds to the top of the lower die, the folding frame is an integrally formed V-shaped frame, the folding angle of the folding frame is 120 degrees, and the thickness of the unloading sheet is matched with the technological steps.
Preferably, the forming processing method of the rear cover casting positioning forming die comprises the following steps:
s1: the single-chip microcomputer controller controls the lifting electric telescopic rod to extend outwards, so that the upper die can be driven to move downwards, the die core can be nested in the die casting groove in the die casting process of the upper die and the lower die so as to finish die casting manufacture of a casting, meanwhile, a positioning column fixedly assembled in the insert is inserted into a positioning hole on the lower die along with the movement of the upper die, the anastomosis degree of the upper die and the lower die is ensured, the dislocation of parting lines of the upper die and the lower die is reduced, meanwhile, the ball guide sleeve slides on the ball guide post, the effect of accurate positioning can be achieved when the workpiece is blanked, the die casting precision of the workpiece is higher, the precision of a product is improved, the rejection rate of the product is reduced, and the production benefit is improved;
s2: meanwhile, the cold water pump and the reflux water pump are started through the singlechip controller, so that the cold water pump can be promoted to guide water in the water tank into the water cooling ring through the water inlet pipe, the lower die is cooled, the heat of the casting is quickly transferred, the effect of the quick casting is achieved, meanwhile, the reflux water pump flows the water subjected to heat exchange into the water tank through the reflux pipe, the cyclic utilization is realized, the cooling means of the lower die is increased, and the die casting efficiency of the casting is improved;
s3: after casting die casting is finished, the lifting electric telescopic rod is controlled to retract through the singlechip controller so as to drive the upper die to reset, then the unloading electric telescopic rod group is controlled to extend to drive the gripper device to move to the upper part of the lower die, the two gripper devices are inserted into the process steps to realize unloading of the casting, the process steps are arranged on the outer side of the top of the lower die, the part of the casting, which is positioned on the parting surface of the lower die, can be completely wrapped in the parting surface, so that the casting is prevented from slipping, the effect of preventing die crush injury is achieved, the frequency of die crush injury is reduced under the condition of the same operation guidance, the stability of product quality is improved, the manufacturing cost is reduced, the die crush injury maintenance frequency is effectively reduced, the product forming quality is improved, and the production cost is reduced;
s4: after the discharging is completed through the gripper device, the singlechip controller can prompt the discharging electric telescopic rod group to reset, and simultaneously controls the cold water supply pump and the reflux water pump to stop working so as to wait for the next working instruction.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the die-casting die, in the die-casting process of the upper die and the lower die, the die core can be nested in the die-casting groove so as to finish die-casting production of a casting, meanwhile, the positioning column fixedly assembled in the insert is inserted into the positioning hole on the lower die along with the movement of the upper die, so that the fitness of the upper die and the lower die is ensured, the dislocation of the parting line of the upper die and the parting line of the lower die is reduced, meanwhile, the ball guide sleeve slides on the ball guide column, the effect of accurate positioning can be achieved during the blanking of a workpiece, the die-casting precision of the workpiece is higher, the precision of a product is improved, the rejection rate of the product is reduced, and the production benefit is improved;
2. the water in the water tank is led into the water cooling ring through the water inlet pipe by the cold water pump, so that the lower die is cooled, the heat of the casting is quickly transferred, the effect of quick casting is achieved, meanwhile, the water subjected to heat exchange is flowed into the water tank through the reflux pipe by the reflux water pump, so that the cyclic utilization is realized, the cooling means of the lower die is increased, and the die casting efficiency of the casting is improved;
3. the two groups of gripper devices are inserted in the process steps to realize the unloading of castings, the process steps are arranged on the outer side of the top of the lower die, the parts of the castings, which are positioned on the parting surfaces of the lower die, can be completely wrapped inside the parting surfaces, the castings are prevented from slipping off, the effect of preventing the molds from being crushed is achieved, under the condition of the same operation guidance, the frequency of the crushing of the molds is reduced, the stability of the product quality is improved, the manufacturing cost is reduced, the mold crushing maintenance frequency is effectively reduced, the product forming quality is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the operation of the present invention;
FIG. 3 is a schematic view of a water-cooled ring according to the present invention;
fig. 4 is a schematic structural view of the gripper device of the present invention.
In the figure: 1 a base, 2 a bracket, 3 a top plate, 4 lifting electric telescopic rods, 5 an upper die, 6 a ball guide sleeve, 7 a ball guide post, 8 a die core, 9 an insert, 10 a positioning column, 11 a partition plate, 12 a lower die, 13 a die casting groove, 14 a process step, 15 a positioning hole, 16 a water cooling ring, 161 a water cooling plate, 162 a copper heat conducting plate, 163 a first water pipe joint, 164 a second water pipe joint, 17 a water tank, 18 a cold water supply pump, 19 a reflux water pump, 20 a water inlet pipe, 21 a reflux pipe, 22 a discharging electric telescopic rod group, 23 a grabbing device, 231 a fixed frame, 232 a clamping electric telescopic rod, 233 a hinge block, 234 a folding frame, 235 a hinge shaft, 236 a discharging plate and 24 a single chip microcomputer controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: the utility model provides a back lid foundry goods location forming die, including base 1, the top left and right sides of base 1 all is fixed and is provided with support 2, the top of two sets of supports 2 is fixed and is provided with roof 3, the bottom center department of roof 3 is fixed and is provided with lift electric telescopic handle 4, the output fixedly connected with of lift electric telescopic handle 4 goes up mould 5, the left and right sides wall of going up mould 5 all is fixedly connected with ball guide pin 6, the bottom left and right sides of roof 3 all is fixed and is provided with ball guide pin 7 with ball guide pin 6 looks adaptation, the bottom center department of going up mould 5 is fixed and is provided with mould benevolence 8, the bottom left and right sides of going up mould 5 all is fixed nested and is provided with insert 9, all be fixed and be provided with reference column 10 on the insert 9, be fixed and be provided with baffle 11 between two sets of supports 2, the top of baffle 11 is fixed and be provided with the lower mould 12 with last mould 5 looks adaptation, the die casting groove 13 matched with the die core 8 is formed in the center of the top of the lower die 12, the process step 14 is formed in the outer side of the top of the lower die 12, the positioning holes 15 matched with the positioning columns 10 are formed in the left side and the right side of the top of the lower die 12, the water cooling ring 16 is fixedly assembled on the outer wall of the lower die 12, the water tank 17 is fixedly arranged on the top of the base 1, the cold water pump 18 and the reflux water pump 19 are fixedly assembled on the left side and the right side of the top of the water tank 17 respectively, the water inlet pipe 20 and the reflux water pump 21 fixedly connected with the water cooling ring 16 are fixedly assembled on the cold water pump 18 and the reflux water pump 19 respectively, the unloading electric telescopic rod groups 22 are fixedly arranged on the side walls of the opposite sides of the two groups of brackets 2, and the gripper device 23 is fixedly assembled on the unloading electric telescopic rod groups 22.
Referring to fig. 2, the unloading electric telescopic rod set 22, the lifting electric telescopic rod 4, the gripper device 23, the cold water pump 18 and the reflux water pump 19 are electrically input and connected with the single-chip microcomputer controller 24, and the unloading electric telescopic rod set 22, the lifting electric telescopic rod 4, the gripper device 23, the cold water pump 18, the reflux water pump 19 and the single-chip microcomputer controller 24 are electrically connected with an external power supply, so that unified management is conveniently realized through the single-chip microcomputer controller 24, and meanwhile, the high efficiency of the device is ensured;
referring to fig. 3, the water cooling ring 16 includes a water cooling plate 161 disposed outside the lower die 12, copper heat conducting plates 162 are fixedly disposed on the inner wall of the water cooling plate 161, and a first water pipe joint 163 and a second water pipe joint 164 connected to the water inlet pipe 20 and the return pipe 21 are fixedly disposed on the left and right side walls of the water cooling plate 161, respectively, so that the effect of rapid heat transfer on the lower die 12 is increased by the copper heat conducting plates 162, heat exchange is facilitated, heat conduction efficiency is improved, and die casting efficiency of a casting is improved;
the inner cavity of the water cooling ring 16 is provided with the flow guiding cavities, the flow guiding cavities are in positive spiral distribution along the circumferential direction of the water cooling ring 16, and the left end and the right end of the flow guiding cavities are respectively connected with the first water pipe connector 163 and the second water pipe connector 164, so that water can fill the inner cavity of the water cooling ring 16, the heat exchange area of water and the lower die 12 is increased, and the heat conduction speed is improved;
referring to fig. 4, the gripper device 23 includes a fixed frame 231 fixed at the output end of the unloading electric telescopic rod set 22, a clamping electric telescopic rod 232 is fixedly arranged on the fixed frame 231, the output end of the clamping electric telescopic rod 232 is fixedly connected with a hinge block 233, two left and right sides of the hinge block 233 are movably hinged with a folded frame 234 through a pin shaft, corners of the folded frame 234 are movably hinged on the fixed frame 231 through a hinge shaft 235, and unloading sheets 236 matched with the lower die 12 are fixedly arranged on the inner side wall of the folded frame 234, so that when the clamping electric telescopic rod 232 is retracted, the two groups of folded frames 234 can be pulled to rotate around the hinge shaft 235 through the hinge block 233, and the unloading sheets 236 on the folded frames 234 can be conveniently inserted into the process steps 14 to realize unloading of castings;
the unloading electric telescopic rod group 22 corresponds to the top of the lower die 12, the folding frame 234 is a V-shaped frame formed integrally, the folding angle of the folding frame 234 is 120 degrees, and the thickness of the unloading sheet 236 is matched with the process step 14.
A molding processing method of a rear cover casting positioning molding die comprises the following steps:
s1: the lifting electric telescopic rod 4 is controlled to extend outwards through the singlechip controller 24, the upper die 5 can be driven to move downwards, so that in the die-casting process of the upper die 5 and the lower die 12, the die core 8 can be nested in the die-casting groove 13 so as to finish die-casting manufacture of a casting, meanwhile, the positioning column 10 fixedly assembled in the insert 9 is inserted into the positioning hole 15 on the lower die 12 along with the movement of the upper die 5, the anastomosis degree of the upper die 5 and the lower die 12 is ensured, the dislocation of parting lines of the upper die 5 and the lower die 12 is reduced, meanwhile, the ball guide sleeve 6 slides on the ball guide column 7, the effect of accurate positioning can be achieved during the die-casting of a workpiece, the die-casting precision of the workpiece is higher, the product rejection rate is reduced, and the production benefit is improved;
s2: simultaneously, the cold water pump 18 and the reflux water pump 19 are started through the singlechip controller 24, so that the cold water pump 18 can be promoted to guide water in the water tank 17 into the water cooling ring 16 through the water inlet pipe 20, the lower die 12 is cooled, the heat of a casting is quickly transferred, the effect of quick casting is achieved, meanwhile, the reflux water pump 19 flows water subjected to heat exchange into the water tank 17 through the reflux pipe 21, the cyclic utilization is realized, the cooling means of the lower die 12 is increased, and the die casting efficiency of the casting is improved;
s3: after casting die casting is finished, the lifting electric telescopic rod 4 is controlled to shrink inwards through the singlechip controller 24 so as to drive the upper die 5 to reset, then the discharging electric telescopic rod set 22 is controlled to extend outwards so as to drive the gripper device 23 to move to the upper part of the lower die 12, the two gripper devices 23 are inserted into the process steps 14 to realize casting discharging, the process steps 14 are arranged on the outer side of the top of the lower die 12, the part of the casting, which is positioned on the parting surface of the lower die 12, can be completely wrapped in the parting surface, the casting is prevented from slipping, the effect of preventing die crush injury is achieved, the frequency of die crush injury is reduced under the condition of the same operation guidance, the stability of product quality is improved, the manufacturing cost is reduced, the die crush injury maintenance frequency is effectively reduced, the product forming quality is improved, and the production cost is reduced;
s4: after the unloading is completed through the gripper device 23, the singlechip controller 24 can prompt the unloading electric telescopic rod group 22 to reset, and simultaneously control the cold water supply pump 18 and the reflux water pump 19 to stop working so as to wait for the next working instruction.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a back lid foundry goods location forming die, includes base (1), the top left and right sides of base (1) is all fixed to be provided with support (2), two sets of the fixed roof (3) that are provided with in top of support (2), its characterized in that: the utility model discloses a water-cooling water tank, including roof (3) and water tank, the bottom center department of roof (3) is fixed to be provided with lift electric telescopic handle (4), the output fixedly connected with of lift electric telescopic handle (4) goes up mould (5), go up the equal fixedly connected with ball guide sleeve (6) of both sides wall of the left and right sides of mould (5), the bottom left and right sides of roof (3) all is fixed to be provided with ball guide pillar (7) with ball guide sleeve (6) looks adaptation, the bottom center department of going up mould (5) is fixed to be provided with mould benevolence (8), the bottom left and right sides of going up mould (5) all is fixed the nested and is provided with insert (9), all be fixed on insert (9) and be provided with reference column (10), two sets of be provided with baffle (11) between support (2), the top fixedly provided with of baffle (11) and lower mould (12) of last mould (5) looks adaptation, die casting groove (13) with mould benevolence (8) looks adaptation are seted up in the top center department of lower mould (12), just the top outside of lower mould (12) is provided with water tank (12), water tank (16) of the top (16) of top (12) are fixed to be provided with water tank (16) of the top of fixing hole (1), the left side and the right side of the top of the water tank (17) are respectively and fixedly provided with a cold water supply pump (18) and a reflux water pump (19), the cold water supply pump (18) and the reflux water pump (19) are respectively and fixedly provided with a water inlet pipe (20) and a reflux pipe (21) which are fixedly connected with the water cooling ring (16), the side walls of the opposite sides of the two groups of brackets (2) are respectively and fixedly provided with a discharging electric telescopic rod group (22), and the discharging electric telescopic rod group (22) is fixedly provided with a gripper device (23);
the unloading electric telescopic rod group (22), the lifting electric telescopic rod (4), the hand grip device (23), the cold water pump (18) and the reflux water pump (19) are electrically input and connected with the single-chip microcomputer controller (24), and the unloading electric telescopic rod group (22), the lifting electric telescopic rod (4), the hand grip device (23), the cold water pump (18), the reflux water pump (19) and the single-chip microcomputer controller (24) are electrically connected with an external power supply;
the water cooling ring (16) comprises a water cooling sheet (161) arranged on the outer side of the lower die (12), copper heat conducting sheets (162) are fixedly arranged on the inner wall of the water cooling sheet (161), and a first water pipe connector (163) and a second water pipe connector (164) which are connected with the water inlet pipe (20) and the return pipe (21) are respectively fixedly arranged on the left side wall and the right side wall of the water cooling sheet (161).
2. The rear cover casting positioning and forming die according to claim 1, wherein: the inner cavity of the water cooling ring (16) is provided with a diversion cavity, the diversion cavity is in positive spiral distribution along the circumferential direction of the water cooling ring (16), and the left end and the right end of the diversion cavity are respectively connected with the first water pipe connector (163) and the second water pipe connector (164).
3. The rear cover casting positioning and forming die according to claim 1, wherein: the gripper device (23) comprises a fixed frame (231) fixed at the output end of the unloading electric telescopic rod group (22), a clamping electric telescopic rod (232) is fixedly arranged on the fixed frame (231), the output end of the clamping electric telescopic rod (232) is fixedly connected with a hinge block (233), the left side and the right side of the hinge block (233) are movably hinged with a folding frame (234) through hinge pins, the corner of the folding frame (234) is movably hinged to the fixed frame (231) through a hinge shaft (235), and a unloading sheet (236) matched with a lower die (12) is fixedly arranged on the inner side wall of the folding frame (234).
4. A rear cover casting positioning and molding die according to claim 3, wherein: the top of the unloading electric telescopic rod group (22) corresponds to the top of the lower die (12), the folding frame (234) is a V-shaped frame formed integrally, the folding angle of the folding frame (234) is 120 degrees, and the thickness of the unloading sheet (236) is matched with the technological step (14).
5. A molding processing method using the rear cover casting positioning molding die according to any one of claims 1 to 4, characterized in that:
s1: the lifting electric telescopic rod (4) is controlled to extend through the single chip microcomputer controller (24), the upper die (5) can be driven to move downwards, so that in the die assembly process of the upper die (5) and the lower die (12), the die core (8) can be nested in the die casting groove (13) so as to finish die casting manufacture of a casting, meanwhile, the positioning column (10) fixedly assembled in the insert (9) is inserted into the positioning hole (15) on the lower die (12) along with the movement of the upper die (5), the anastomosis degree of the upper die (5) and the lower die (12) is ensured, the parting line of the upper die (5) and the lower die (12) is reduced, meanwhile, the ball guide sleeve (6) slides on the ball guide column (7) in a staggered manner, the die casting precision of the workpiece can be higher, the rejection rate of the product is reduced, and the production benefit is improved;
s2: meanwhile, the cold water supply pump (18) and the reflux water pump (19) are started through the singlechip controller (24), so that the cold water supply pump (18) can be driven to guide water in the water tank (17) into the water cooling ring (16) through the water inlet pipe (20) to realize cooling of the lower die (12), heat of a casting is quickly transferred, the effect of quick casting is achieved, and meanwhile, the reflux water pump (19) flows water subjected to heat exchange into the water tank (17) through the reflux pipe (21) to realize cyclic utilization, a cooling means of the lower die (12) is increased, and the die casting efficiency of the casting is improved;
s3: after casting die casting is finished, the lifting electric telescopic rod (4) is controlled to shrink inwards through the single chip microcomputer controller (24), so that the upper die (5) is driven to reset, then the unloading electric telescopic rod group (22) is controlled to extend outwards to drive the gripper devices (23) to move to the upper part of the lower die (12), the two gripper devices (23) are inserted into the process steps (14) to realize unloading of the casting, the process steps (14) are arranged on the outer side of the top of the lower die (12), the part of the casting, which is positioned on the parting surface of the lower die (12), can be completely wrapped in the parting surface, the casting is prevented from slipping, the effect of preventing die crush injury is achieved, the frequency of die crush injury is reduced under the condition of the same operation guidance, the stability of product quality is improved, the manufacturing cost is reduced, the die crush injury maintenance frequency is effectively reduced, the product forming quality is improved, and the production cost is reduced.
S4: after the discharging is completed through the gripper device (23), the singlechip controller (24) can prompt the discharging electric telescopic rod group (22) to reset, and simultaneously controls the cold water pump (18) and the reflux water pump (19) to stop working so as to wait for the next working instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910816256.2A CN110421139B (en) | 2019-08-30 | 2019-08-30 | Positioning and forming die and forming processing method for rear cover casting |
Applications Claiming Priority (1)
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| CN110860669A (en) * | 2019-12-03 | 2020-03-06 | 任彦成 | Aluminum product die-casting forming device |
| CN112059149A (en) * | 2020-09-01 | 2020-12-11 | 中山市泽一照明科技有限公司 | An energy-saving material casting and forming equipment with good forming effect |
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