CN210702464U

CN210702464U - Rear cover casting positioning and forming die

Info

Publication number: CN210702464U
Application number: CN201921432303.5U
Authority: CN
Inventors: 马建华; 吴小江; 丁洋
Original assignee: Nantong Huadong Hydraulic Technology Co Ltd
Current assignee: Nantong Huadong Hydraulic Technology Co Ltd
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-09
Anticipated expiration: 2029-08-30

Abstract

The utility model discloses a rear cover casting positioning and forming die in the technical field of rear cover casting positioning and forming die, a die-casting groove matched with a die core is arranged at the center of the top of a lower die, a process step is arranged on the outer side of the top of the lower die, positioning holes matched with positioning columns are arranged on the left side and the right side of the top of the lower die, a water-cooling ring is fixedly assembled on the outer wall of the lower die, a water tank is fixedly arranged on the top of a base, a cold water supply pump and a return water pump are respectively fixedly assembled on the left side and the right side of the top of the water tank, a water inlet pipe and a return pipe which are fixedly connected with the water-cooling ring are respectively fixedly assembled on the cold water supply pump and the return water pump, two groups of discharging electric telescopic rod groups are respectively fixedly arranged on the side wall of one side opposite to a bracket, and a gripper device is fixedly assembled, the die-casting precision of the workpiece can be higher, and the precision of the product is improved.

Description

Rear cover casting positioning and forming die

Technical Field

The utility model relates to a back lid foundry goods location forming die technical field specifically is a back lid foundry goods location forming die.

Background

The mould is a tool which can make the blank into a finished piece with a specific shape and size under the action of external force, and is widely used for blanking, die forging, cold heading, extrusion, powder metallurgy piece pressing, pressure casting, and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like, the mould has a specific outline or an inner cavity shape, the existing rear cover casting processing mould is directly formed by upper and lower moulds in a punching way, for some products with high precision requirements, after a movable mould and a fixed mould are subjected to repeated mould closing and opening, the matching of the movable mould core and the fixed mould core can generate deviation, the precision of the product is reduced, the product is directly scrapped, or the product can meet the precision requirements through secondary processing treatment, the production cost is greatly improved, the production benefit is reduced, and because the cooling speed of the casting is lower, the casting forming speed is slower, the working efficiency is not high, and the casting piece is possibly attached to the interior of the mold after the casting piece is finished, so that the mold is not easy to be demoulded, and the working efficiency is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a back lid foundry goods location forming die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a positioning and forming die for rear cover castings comprises a base, wherein supports are fixedly arranged on the left side and the right side of the top of the base, a top plate is fixedly arranged on the tops of two groups of supports, a lifting electric telescopic rod is fixedly arranged at the center of the bottom of the top plate, an upper die is fixedly connected with the output end of the lifting electric telescopic rod, ball guide sleeves are fixedly connected with the left side wall and the right side wall of the upper die, ball guide pillars matched with the ball guide sleeves are fixedly arranged on the left side and the right side of the bottom of the top plate, a die core is fixedly arranged at the center of the bottom of the upper die, insert blocks are fixedly embedded on the left side and the right side of the bottom of the upper die, positioning columns are fixedly arranged on the insert blocks, a partition plate is fixedly arranged between the two groups of supports, a lower die matched with the, and the top of the lower die is not over the outer side and is provided with a process step, the left side and the right side of the top of the lower die are respectively provided with a positioning hole matched with the positioning column, the outer wall of the lower die is fixedly provided with a water cooling ring, the top of the base is fixedly provided with a water tank, the left side and the right side of the top of the water tank are respectively fixedly provided with a water supply cold water pump and a return water pump, the water supply cold water pump and the return water pump are respectively fixedly provided with a water inlet pipe and a return pipe which are fixedly connected with the water cooling ring, the opposite side walls of the two groups of supports are respectively fixedly provided with an unloading electric telescopic rod group.

Preferably, the unloading electric telescopic rod group, the lifting electric telescopic rod, the gripper device, the cold water supply pump and the reflux water pump are electrically connected with the single-chip microcomputer controller, and the unloading 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 the external power supply.

Preferably, the water cooling ring comprises a water cooling fin arranged on the outer side of the lower die, a copper heat conducting fin is fixedly arranged on the inner wall of the water cooling fin, and a first water pipe joint and a second water pipe joint which are connected with the water inlet pipe and the return pipe are fixedly arranged on the left side wall and the right side wall of the water cooling fin respectively.

Preferably, the inner cavity of the water-cooling ring is provided with a flow guide cavity, the flow guide cavity is distributed along the circumferential direction of the water-cooling ring in a positive spiral manner, and the left end and the right end of the flow guide 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 rod group output of unloading, the fixed centre gripping electric telescopic handle that is provided with on the fixed frame, centre gripping electric telescopic handle's the articulated piece of output fixedly connected with, the equal activity hinge of the equal activity of round pin axle has a book shape frame in the left and right sides on articulated piece, the corner of book shape frame passes through articulated shaft activity hinge on fixed frame, the fixed piece of unloading with lower mould looks adaptation that is provided with on the inboard lateral wall of book shape frame.

Preferably, the discharging electric telescopic rod group corresponds to the top of the lower die, the folding frame is an integrally formed V-shaped frame, the bending angle of the folding frame is 120 degrees, and the thickness of the discharging sheet is matched with the process step.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an in last mould and lower mould compound die in-process, mould benevolence can be nested in the die-casting groove so that accomplish the foundry goods die-casting preparation, the reference column of the interior fixed assembly of inlay simultaneously along with the motion grafting of last mould on the locating hole on the lower mould, guarantee the goodness of fit of last mould and lower mould, reduce the parting line dislocation of last mould and lower mould, the ball guide sleeve slides on the ball guide pillar simultaneously, can play the effect of accurate location when the work piece is blanked, can make the die-casting precision of work piece higher, improve the precision of product, reduce the product disability rate, improve the productivity effect;

2. the water supply and cooling pump is promoted to guide the water in the water tank into the water cooling ring through the water inlet pipe so as to realize cooling of the lower die and quickly transfer heat of the casting to achieve the effect of quick casting, and meanwhile, the water after heat exchange is flowed into the water tank through the return pipe by the return water pump so as to realize cyclic utilization, so that the cooling means of the lower die is increased, and the die-casting efficiency of the casting is improved;

3. insert the unloading that realizes the foundry goods in the technology step through two sets of tongs devices, set up the technology step on the die joint of lower mould, the part that is located the foundry goods die joint of lower mould can wrap up inside the die joint completely, avoid the foundry goods slippage, play the effect that prevents the mould and crush, under the circumstances that the same operation is guided, reduce the frequency that the mould crushed, improve product quality's stability, reduce manufacturing cost, the advantage lies in effectively reducing the mould and crushes the maintenance frequency, the product shaping quality is improved, and the production cost is reduced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a working schematic diagram of the present invention;

FIG. 3 is a schematic view of the water-cooling ring structure of the present invention;

fig. 4 is a schematic structural view of the gripper device of the present invention.

In the figure: 1 base, 2 supports, 3 top plates, 4 lifting electric telescopic rods, 5 upper dies, 6 ball guide sleeves, 7 ball guide columns, 8 die cores, 9 inserts, 10 positioning columns, 11 partition plates, 12 lower dies, 13 die casting grooves, 14 process steps, 15 positioning holes, 16 water cooling rings, 161 water cooling fins, 162 copper heat conducting fins, 163 first water pipe joints, 164 second water pipe joints, 17 water tanks, 18 cold water supply pumps, 19 return water pumps, 20 water inlet pipes, 21 return pipes, 22 discharging electric telescopic rod groups, 23 gripper devices, 231 fixing frames, 232 clamping electric telescopic rods, 233 hinge blocks, 234 folding frames, 235 hinge shafts, 236 discharging pieces and 24 single-chip controllers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a rear cover casting positioning forming die comprises a base 1, wherein supports 2 are fixedly arranged on the left side and the right side of the top of the base 1, a top plate 3 is fixedly arranged on the tops of two groups of supports 2, a lifting electric telescopic rod 4 is fixedly arranged at the center of the bottom of the top plate 3, an upper die 5 is fixedly connected with the output end of the lifting electric telescopic rod 4, ball guide sleeves 6 are fixedly connected with the left side wall and the right side wall of the upper die 5, ball guide pillars 7 matched with the ball guide sleeves 6 are fixedly arranged on the left side and the right side of the bottom of the top plate 3, a die core 8 is fixedly arranged at the center of the bottom of the upper die 5, insert blocks 9 are fixedly nested on the left side and the right side of the bottom of the upper die 5, positioning columns 10 are fixedly arranged on the insert blocks 9, a partition plate 11 is fixedly arranged between the two groups of supports 2, a lower, and the top of lower mould 12 is no longer the outside and has been seted up technology step 14, the locating hole 15 with reference column 10 looks adaptation is all seted up to the top left and right sides of lower mould 12, fixed assembly has water-cooling ring 16 on the outer wall of lower mould 12, the fixed water tank 17 that is provided with in top of base 1, the top left and right sides of water tank 17 is fixed assembly respectively has supplies cold water pump 18 and return water pump 19, and supply to fixedly assemble respectively on cold water pump 18 and the return water pump 19 inlet tube 20 and the back flow 21 with water-cooling ring 16 fixed connection, all fixedly on the relative one side lateral wall of two sets of supports 2 be provided with the electronic telescopic link group 22 of unloading, and fixedly on the electronic telescopic link group 22 of.

Referring to fig. 2, the unloading electric telescopic rod group 22, the lifting electric telescopic rod 4, the gripper device 23, the cold water supply pump 18 and the return water pump 19 are all electrically connected to the single chip microcomputer controller 24, and the unloading electric telescopic rod group 22, the lifting electric telescopic rod 4, the gripper device 23, the cold water supply pump 18, the return water pump 19 and the single chip microcomputer controller 24 are all electrically connected to an external power supply, so that unified management is realized through the single chip microcomputer controller 24, and the high efficiency of the device is ensured;

referring to fig. 3, the water cooling ring 16 includes a water cooling fin 161 disposed at the outer side of the lower mold 12, a copper heat conducting fin 162 is fixedly disposed on the inner wall of the water cooling fin 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 respectively and fixedly disposed on the left and right side walls of the water cooling fin 161, so that the effect of quickly transferring heat on the lower mold 12 is increased by the copper heat conducting fin 162, thereby facilitating heat exchange, improving heat transfer efficiency, and improving die casting efficiency of castings;

a flow guide cavity is formed in the inner cavity of the water cooling ring 16, the flow guide cavity is distributed in a positive spiral mode along the circumferential direction of the water cooling ring 16, and the left end and the right end of the flow guide cavity are respectively connected with the first water pipe joint 163 and the second water pipe joint 164, so that water can be filled in the inner cavity of the water cooling ring 16, the heat exchange area between the 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 fixing frame 231 fixed at an output end of the unloading electric telescopic rod group 22, the fixing frame 231 is fixedly provided with a clamping electric telescopic rod 232, 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 a pin shaft, corners of the folding frame 234 are movably hinged on the fixing frame 231 through hinge shafts 235, and the inner side wall of the folding frame 234 is fixedly provided with unloading pieces 236 matched with the lower die 12, so that when the clamping electric telescopic rod 232 retracts, the two folding frames 234 can be pulled to rotate around the hinge shafts 235 through the hinge blocks 233, and the unloading pieces 236 on the folding frames 234 can be conveniently inserted into the process steps 14 to unload the castings;

the discharging electric telescopic rod group 22 corresponds to the top of the lower die 12, the folding frame 234 is an integrally formed V-shaped frame, the bending angle of the folding frame 234 is 120 degrees, and the thickness of the discharging piece 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 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 to complete casting die casting, meanwhile, the positioning column 10 fixedly assembled in the insert 9 is inserted into the positioning hole 15 in the lower die 12 along with the movement of the upper die 5, the goodness of fit of the upper die 5 and the lower die 12 is guaranteed, the parting line dislocation of the upper die 5 and the lower die 12 is reduced, meanwhile, the ball guide sleeve 6 slides on the ball guide pillar 7, the accurate positioning effect can be achieved during workpiece blanking, the die casting precision of a workpiece can be higher, the product precision is improved, the product rejection rate is reduced, and the;

s2: meanwhile, the water supply and cooling pump 18 and the return water pump 19 are started through the singlechip controller 24, so that the water supply and cooling pump 18 can 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 the casting is rapidly transferred to achieve the effect of rapid casting, and meanwhile, the return water pump 19 flows water subjected to heat exchange into the water tank 17 through the return pipe 21 to realize recycling, so that the cooling means of the lower die 12 is increased, and the die casting efficiency of the casting is improved;

s3: after casting is finished, the lifting electric telescopic rod 4 is controlled to retract 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 device 23 to move above the lower die 12, unloading of the casting is realized by inserting the two gripper devices 23 into the technological step 14, the technological step 14 is arranged on the parting surface 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 inside the parting surface, the casting is prevented from slipping, the effect of preventing the die from being crushed is achieved, the frequency of the die from being crushed is reduced under the condition of the same operation guidance, the stability of the product quality is improved, the manufacturing cost is reduced, and the die crushing maintenance frequency is effectively reduced, the product forming quality is improved, and the production cost;

s4: after the discharging is completed through the gripper 23, the single chip microcomputer controller 24 causes the discharging electric telescopic rod group 22 to reset, and controls the cold water supply pump 18 and the return water pump 19 to stop working at the same time so as to wait for the next working instruction.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

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 and is provided with support (2), and is two sets of the top of support (2) is fixed and is provided with roof (3), its characterized in that: a lifting electric telescopic rod (4) is fixedly arranged at the center of the bottom of the top plate (3), an upper die (5) is fixedly connected with the output end of the lifting electric telescopic rod (4), ball guide sleeves (6) are fixedly connected with the left side wall and the right side wall of the upper die (5), ball guide pillars (7) matched with the ball guide sleeves (6) are fixedly arranged at the left side and the right side of the bottom of the top plate (3), a die core (8) is fixedly arranged at the center of the bottom of the upper die (5), inserts (9) are fixedly embedded at the left side and the right side of the bottom of the upper die (5), positioning columns (10) are fixedly arranged on the inserts (9), a partition plate (11) is fixedly arranged between the two groups of brackets (2), a lower die (12) matched with the upper die (5) is fixedly arranged at the top of the partition plate (11), and a die-casting groove (13) matched with the die, a process step (14) is arranged on the top of the lower die (12) but not on the outer side, positioning holes (15) matched with the positioning columns (10) are arranged on the left side and the right side of the top of the lower die (12), a water cooling ring (16) is fixedly assembled on the outer wall of the lower die (12), a water tank (17) is fixedly arranged at the top of the base (1), a cold water supply pump (18) and a return water pump (19) are respectively fixedly arranged at the left side and the right side of the top of the water tank (17), a water inlet pipe (20) and a return pipe (21) which are fixedly connected with a water cooling ring (16) are respectively and fixedly assembled on the water supply and cooling pump (18) and the return water pump (19), the side walls of the two groups of brackets (2) at the opposite sides are respectively and fixedly provided with an electric discharging telescopic rod group (22), and a gripper device (23) is fixedly assembled on the discharging electric telescopic rod group (22).

2. The back cover casting positioning and forming die as claimed in claim 1, wherein: the electric water pump type water cooling device is characterized in that the unloading electric telescopic rod group (22), the lifting electric telescopic rod (4), the gripper device (23), the cold water supply pump (18) and the backflow water pump (19) are electrically connected with the single chip microcomputer controller (24) in an input mode, and the unloading electric telescopic rod group (22), the lifting electric telescopic rod (4), the gripper device (23), the cold water supply pump (18), the backflow water pump (19) and the single chip microcomputer controller (24) are electrically connected with the external power supply.

3. The back cover casting positioning and forming die as claimed in claim 1, wherein: the water cooling ring (16) comprises a water cooling sheet (161) arranged on the outer side of the lower die (12), a copper heat conducting sheet (162) is fixedly arranged on the inner wall of the water cooling sheet (161), and a first water pipe joint (163) and a second water pipe joint (164) which are connected with a water inlet pipe (20) and a return pipe (21) are fixedly arranged on the left side wall and the right side wall of the water cooling sheet (161) respectively.

4. The rear cover casting positioning and forming die as claimed in claim 3, wherein: the inner cavity of the water-cooling ring (16) is provided with a flow guide cavity, the flow guide cavity is distributed in a positive spiral mode along the circumferential direction of the water-cooling ring (16), and the left end and the right end of the flow guide cavity are connected with the first water pipe joint (163) and the second water pipe joint (164) respectively.

5. The back cover casting positioning and forming die as claimed in claim 1, wherein: the gripper device (23) comprises a fixing 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 fixing frame (231), an output end fixedly connected with hinged block (233) of the clamping electric telescopic rod (232), the left side and the right side of the hinged block (233) are hinged to a folding frame (234) through pin shafts, the corners of the folding frame (234) are hinged to the fixing frame (231) through hinge shafts (235) in a movable mode, and unloading pieces (236) matched with the lower die (12) are fixedly arranged on the inner side wall of the folding frame (234).

6. The rear cover casting positioning and forming die as claimed in claim 5, 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 an integrally formed V-shaped frame, the bending angle of the folding frame (234) is 120 degrees, and the thickness of the unloading sheet (236) is matched with the process step (14).