CN215544690U

CN215544690U - High-precision casting mold

Info

Publication number: CN215544690U
Application number: CN202122329698.XU
Authority: CN
Inventors: 江建新
Original assignee: Zhejiang Xuanjie Electromechanical Technology Co ltd
Current assignee: Zhejiang Xuanjie Electromechanical Technology Co ltd
Priority date: 2021-09-25
Filing date: 2021-09-25
Publication date: 2022-01-18
Anticipated expiration: 2031-09-25

Abstract

The utility model provides a high-precision casting die which comprises an upper die plate, a lower die plate and a die shell, wherein the four side walls in the die shell are connected with forming plates in a sliding mode, an upper die core is arranged on the end surface of the upper die plate, a lower die core is arranged on the end surface of the lower die plate, a forming block is connected to the side wall of the lower die core in a sliding mode, a mounting groove is formed in the end surface, away from the forming plates, of the forming block, a positioning rod is arranged between the two side walls of the mounting groove, a flange is circumferentially arranged on the side wall of the positioning rod, a spring is arranged between the flange and the forming block, a first positioning hole penetrates through the end surface of the forming block, and a second positioning hole is formed in the end surface of the upper die core. At the in-process that the shaping piece removed to shaping plate one side, the locating hole is for a while relative with locating hole two, and the spring can push the tip of locating lever into locating hole two this moment in, has realized the locate function of shaping piece from this, and the cooperation between shaping piece and the shaping plate is comparatively inseparable, and the foam model that so casting formed has the higher advantage of precision and completeness.

Description

High-precision casting mold

Technical Field

The utility model relates to the field of casting molds, in particular to a high-precision casting mold.

Background

At present, chinese patent with publication number CN208628376U discloses a lost foam casting motor base foam molding forming die, which comprises a die shell, wherein an upper die plate and a lower die plate are respectively arranged at two ends of the die shell, an upper die core is arranged on the end surface of the upper die plate, a lower die core is arranged on the end surface of the lower die plate, the upper die core and the lower die core are vertically opposite, four side walls in the die shell are connected with movable tiles in a sliding manner, and a hydraulic cylinder is arranged on each movable tile. During the use, the pneumatic cylinder can drive four movable tiles and be close to each other, so be formed with the shaping chamber that is used for shaping motor frame between four tiles, last mold core and the lower mold core. In the practical application of mould, some foam models have the through-hole that needs the fretwork in order to satisfy the motor shaping needs of difference, and often designer can slide on the lateral wall of last mold core or lower mold core and be connected with the shaping piece, and has in two mold cores to be used for driving the driving piece that the shaping piece removed to activity tile one side, and the driving piece can drive the shaping piece inconsistent with activity tile, so makes the fashioned foam model of mould have required through-hole. However, the forming block and the mold do not have a positioning structure, so that the matching precision between the forming block and the movable tile block is poor, and the through hole precision and the integrity of the formed foam model are poor.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a high-precision casting mold, which has the advantages of a positioning structure between a forming block and the mold, and high precision and integrity of the formed foam mold.

In order to solve the technical problems, the technical scheme of the utility model is as follows: a high-precision casting die comprises an upper die plate and a lower die plate, wherein a die shell is arranged between the upper die plate and the lower die plate, forming plates are connected to four side walls in the die shell in a sliding manner, a driving device used for driving the four forming plates to be close to each other is arranged on the die shell, an upper die core is arranged in the middle of the end surface of the upper die plate, a lower die core is arranged in the middle of the end surface of the lower die plate, the upper die core and the lower die core are opposite to each other up and down, a forming block is connected to the side wall of the lower die core in a sliding manner, a driving piece is arranged between the upper die core and the lower die core and used for driving the forming block to be tightly abutted against the forming plates, a mounting groove is formed in the end surface of the forming block, which is far away from the forming plates, positioning rods are arranged between the two side walls of the mounting groove, flanges are circumferentially arranged on the side walls of the positioning rods, and springs are arranged between the flanges and the forming blocks, the end face, close to one side of the upper die core, of the forming block is provided with a first positioning hole communicated with the mounting groove in a penetrating mode, the end face of the upper die core is provided with a second positioning hole, and when the first positioning hole faces the second positioning hole, the end portion of the positioning rod is pushed into the second positioning hole through the spring.

Through above-mentioned technical scheme, during the use, four shaping boards of drive arrangement drive are close to each other to with form the shaping chamber for shaping foam model between last mold core and the lower mold core, and the driving piece that sets up between last mold core and the lower mold core can drive the shaping piece and remove to shaping board one side, when shaping piece and shaping board were inconsistent, the fashioned foam model of mould casting will have corresponding through-hole. At the in-process that the shaping piece removed to shaping plate one side, the locating hole is for a while relative with locating hole two, and the spring can push the tip of locating lever into locating hole two this moment in, has realized the locate function between shaping piece and the mould from this moment, and the cooperation between shaping piece and the shaping plate this moment is comparatively inseparable, and the foam model that so casting formed has the higher advantage of precision and completeness.

Preferably, a first sliding groove is formed in the side wall of the upper mold core, a second sliding groove is formed in the side wall of the lower mold core, the second sliding groove is communicated with the first sliding groove, and the forming block slides in the first sliding groove and the second sliding groove.

Through the technical scheme, the forming block slides in the first sliding groove and the second sliding groove under the driving of the driving piece, the first sliding groove and the second sliding groove can guide the sliding direction of the forming block, the using state of the forming block is more stable, the matching precision between the forming block and the forming plate is improved, and the use reliability of the die is higher.

Preferably, the second positioning hole is formed in the side wall of the first sliding groove.

Through above-mentioned technical scheme, the shaping piece is at the gliding in-process in the groove that slides, can make locating hole one relative with locating hole two, and the spring can push the locating lever in order to realize the locate function between shaping piece and the mould in the locating hole two, and the stability in use of mould is higher.

Preferably, the end face of the forming block, which is close to one side of the upper die core, is provided with a plurality of balls, and the balls abut against the side wall of the first sliding groove.

Through above-mentioned technical scheme, the ball can reduce the sliding friction power of shaping piece when sliding in the groove of sliding one, makes the slip of shaping piece more smooth and easy from this, and the load of driving piece can obtain reducing, further makes the structure of mould more stable reasonable, and the life of driving piece and shaping piece has obtained effectual growth, and the use reliability of mould further improves.

Preferably, the end face of the forming block, which is close to one side of the lower die core, is provided with a sliding hole communicated with the mounting groove in a penetrating manner, the sliding hole is opposite to the positioning hole I, and the positioning rod is connected to the sliding hole in a sliding manner.

Through above-mentioned technical scheme, the hole that slides can guide the slip direction of locating lever for the spring can be more stable with the tip of locating lever push into locating hole two in, the user state of locating lever is more stable, the stability in use of mould further improves.

Preferably, the forming block is close to threaded connection has a plurality of mount pads on the terminal surface of last mould core one side, and is a plurality of ball one-to-one inlays and establishes a plurality of the terminal surface department of mount pad.

Through above-mentioned technical scheme, when the ball appears damaging, the staff can be with the mount pad that corresponds screw out from the terminal surface of shaping piece and change mount pad and ball, so can guarantee that the smooth and easy nature of slip of shaping piece is difficult for receiving the influence, and the user state of shaping piece is more stable, and the stability in use of mould further improves.

Preferably, the forming block deviates from a guide rod is arranged on the end face of the forming plate, a guide hole opposite to the guide rod is arranged on the side wall of the upper mold core in a penetrating mode, and the guide rod is connected to the guide hole in a sliding mode.

Through above-mentioned technical scheme, the in-process that driving piece drive shaping piece was close to or kept away from the profiled sheeting, the guide bar has corresponding slip in the guide hole, so under the cooperation of guide bar and guide hole, the slip direction of shaping piece obtains further guide, the slip state of shaping piece is more stable, and the cooperation precision between shaping piece and the profiled sheeting obtains promoting, and the fashioned foam model precision of mould casting is higher from this, and the use reliability of mould is higher.

Preferably, the side wall of the first sliding groove is embedded with an installation plate, and the second positioning hole penetrates through the end face of the installation plate.

Through above-mentioned technical scheme, the gliding in-process of shaping piece, the ball can be inconsistent with the terminal surface of mounting panel, inserts the locating hole two many times when leading to two precision reductions of locating hole when the locating rod, and the staff can change the mounting panel, can guarantee the positioning accuracy between shaping piece and the last mould core from this, and the cooperation precision between shaping piece and the shaping plate also does not receive the influence, and the use reliability of mould further improves.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic structural view of an upper mold core according to the first embodiment;

FIG. 3 is a schematic structural view of a lower mold core according to the first embodiment;

FIG. 4 is a schematic structural view of a forming block according to the first embodiment;

fig. 5 is a schematic structural diagram of the second embodiment.

Reference numerals: 1. mounting a template; 2. a lower template; 3. a formwork; 4. forming a plate; 5. a drive device; 6. an upper mold core; 7. a lower mold core; 8. a drive member; 9. mounting grooves; 10. positioning a rod; 11. a flange; 12. a spring; 13. a first positioning hole; 14. a second positioning hole; 15. a first sliding groove; 16. a second sliding groove; 17. a ball bearing; 18. a sliding hole; 19. a mounting seat; 20. a guide bar; 21. a guide hole; 22. mounting a plate; 23. an adjusting ring; 24. a fixing assembly; 25. mounting holes; 26. an adjustment shaft; 27. an elastic member; 28. a rubber block; 29. a cambered surface; 30. and (5) forming the block.

Detailed Description

The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.

The first embodiment is as follows:

as shown in fig. 1, a high-precision casting mold includes an upper mold plate 1 and a lower mold plate 2.

As shown in fig. 1 to 4, a mold shell 3 is disposed between the upper mold plate 1 and the lower mold plate 2, an upper mold core 6 is disposed in the middle of the end surface of the upper mold plate 1 facing the lower mold plate 2, a lower mold core 7 is disposed in the middle of the end surface of the lower mold plate 2 facing the upper mold plate 1, and the upper mold core 6 and the lower mold core 7 are in a relative position relationship. And all the four side walls in the mould shell 3 are connected with forming plates 4 in a sliding manner, and the side walls of the mould shell 3 are provided with driving devices 5 for driving the four forming plates 4 to be close to each other, in the embodiment, the driving devices 5 are preferably four cylinders arranged on the outer wall of the mould shell 3, and as other schemes, the driving devices 5 can also select four ejection electric cylinders or four ejection oil cylinders. Four cylinders set up respectively on four outer walls of mould shell 3, and the output shaft of each cylinder runs through mould shell 3 and the lateral wall that corresponding profiled sheeting 4 is close to mould shell 3 is connected, in the use of mould, start four cylinders simultaneously and can promote four profiled sheeting 4 and be close to each other and form the shaping chamber for shaping foam model with between last mold core 6 and the lower mold core 7, pour into the used material of casting into this shaping intracavity this moment, can obtain required foam model after the cooling.

The side wall of the upper mold core 6 is provided with a first sliding groove 15, the side wall of the lower mold core 7 and the side wall of the first sliding groove 15 are provided with a second sliding groove 16, when the mold is closed, the second sliding groove 16 can be communicated with the first sliding groove 15, the side wall of the lower mold core 7 is connected with a forming block 30 in a sliding manner, a driving piece 8 for driving the forming block 30 to move towards one side of the forming plate 4 is arranged inside the upper mold core 6 and the lower mold core 7, the driving piece 8 can drive the forming block 30 to slide towards one side of the forming plate 4 in the first sliding groove 15 and the second sliding groove 16, the driving piece 8 can directly adopt an ejection driving source to realize the required function, and in the embodiment, the driving piece 8 realizes ejection of the forming block 30 through transmission matching of two racks and a gear. During the sliding of the forming block 30, the forming block 30 can be abutted against the forming plate 4, and when the forming block 30 is abutted against the forming plate 4, the foam model formed by die casting will have corresponding through holes, thus meeting the requirement of the die for producing different types of foam models.

The mounting groove 9 has been seted up on the terminal surface that becomes shape piece 30 and deviates from into shape board 4, mounting groove 9 is located and is provided with locating lever 10 between two ascending lateral walls of cope match-plate pattern 1 and lower bolster 2 side, circumference is provided with flange 11 on locating lever 10's the lateral wall, be provided with spring 12 between flange 11 and the shaping piece 30, it is provided with the locating hole 13 that feeds through in mounting groove 9 to run through on the terminal surface that becomes shape piece 30 and is close to last mold core 6 one side, locating hole 13 is the relative position relation with locating lever 10, it is equipped with mounting panel 22 to inlay on the lateral wall of sliding groove 15, it is provided with locating hole two 14 to run through on mounting panel 22's the terminal surface. And the forming block 30 is driven by the driving part 8 to slide in the first sliding groove 15, so that the first positioning hole 13 is opposite to the second positioning hole 14, the spring 12 pushes the end part of the positioning rod 10 into the second positioning hole 14, and the forming block 30 is positioned relative to the forming plate 4 under the matching of the positioning rod 10 and the second positioning hole 14, so that the matching between the forming block 30 and the forming plate 4 is further tight, and the cast foam model has the advantages of high precision and integrity. It is worth mentioning that, the end face of the forming block 30 close to one side of the lower mold core 7 is provided with a sliding hole 18 communicated with the mounting groove 9 in a penetrating manner, the sliding hole 18 and the positioning rod 10 are in relative position relation, the end part of the positioning rod 10 far away from the upper mold core 6 is connected in the sliding hole 18 in a sliding manner, and the sliding hole 18 can guide the sliding direction of the positioning rod 10, so that the spring 12 can push the end part of the positioning rod 10 into the second positioning hole 14 more stably.

Become module 30 and be close to on the terminal surface of last mold core 6 one side threaded connection have a plurality of mount pads 19, all inlay on the terminal surface of each mount pad 19 and be equipped with ball 17, and each ball 17 all supports tightly in mounting panel 22's terminal surface, so driving piece 8 drive becomes module 30 at the gliding in-process of groove 15 that slides, ball 17 can reduce the coefficient of sliding friction between shaping block 30 and the mounting panel 22, make the slip of shaping block 30 more smooth and easy, and the load of driving piece 8 can be reduced, further make the structure of mould more stable reasonable, driving piece 8 and shaping block 30's life has obtained effectual increase.

The shaping piece 30 deviates from and is provided with a plurality of guide bars 20 on the terminal surface of shaping plate 4, and run through on the lateral wall of mould core 6 and be provided with a plurality of guiding holes 21, be one-to-one relative position relation between a plurality of guiding holes 21 and a plurality of guiding bars 20, when driving piece 8 drive shaping piece 30 slides, corresponding gliding movement has been presented to guiding bar 20 in guiding hole 21, so under the cooperation of guiding bar 20 and guiding hole 21, shaping piece 30's slip direction can obtain further guide, make shaping piece 30's slip state more stable from this, the cooperation precision between shaping piece 30 and the shaping plate 4 is higher.

Example two:

the difference between the second embodiment and the first embodiment is that, as shown in fig. 5, an adjusting ring 23 is slidably connected to a side wall of the positioning rod 10, a spring 12 is located between the adjusting ring 23 and a side wall of the mounting groove 9, a fixing assembly 24 for fixing a relative position between the adjusting ring 23 and the guide rod 20 is disposed between the adjusting ring 23 and the guide rod 20, a mounting hole 25 is disposed through the side wall of the adjusting ring 23, the fixing assembly 24 includes an adjusting shaft 26 slidably connected in the mounting hole 25 and an elastic member 27 disposed between the adjusting shaft 26 and the adjusting ring 23, and the elastic member 27 may be a spring 12 or other elastic connecting member. The end face of the adjusting shaft 26 close to the guide rod 20 is provided with a rubber block 28, the end face of the rubber block 28 far away from the adjusting shaft 26 is provided with an arc surface 29, the arc surface 29 has a shape and a size fitting the outer peripheral surface of the guide rod 20, the elastic piece 27 can pull the adjusting shaft 26 to one side of the guide rod 20, the rubber block 28 is enabled to be tightly abutted against the side wall of the guide rod 20, and at the moment, a stable relative position is maintained between the adjusting ring 23 and the guide rod 20. Different pulling force sizes that can adjust spring 12 of different positions of control adjustable ring 23 on guide bar 20 from this further make the pulling force size that guide bar 20 received can be adjusted, the difficult condition that guide bar 20 too contradicts the mold core and lead to shaping block 30 to slide unsmooth that appears from this, and the use reliability of mould is promoted.

The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all the technical solutions formed by equivalent substitutions or equivalent changes are within the scope of the present invention as claimed.

Claims

1. A high-precision casting mold comprises an upper mold plate (1) and a lower mold plate (2), a mold shell (3) is arranged between the upper mold plate (1) and the lower mold plate (2), four side walls in the mold shell (3) are connected with forming plates (4) in a sliding manner, a driving device (5) used for driving the four forming plates (4) to be close to each other is arranged on the mold shell (3), an upper mold core (6) is arranged in the middle of the end surface of the upper mold plate (1), a lower mold core (7) is arranged in the middle of the end surface of the lower mold plate (2), the upper mold core (6) is vertically opposite to the lower mold core (7), a forming block (30) is connected to the side wall of the lower mold core (7) in a sliding manner, a driving piece (8) is arranged between the upper mold core (6) and the lower mold core (7), and the driving piece (8) is used for driving the forming block (30) to be tightly connected with the forming plates (4), the method is characterized in that: the forming die is characterized in that a mounting groove (9) is formed in the end face, deviating from the forming plate (4), of the forming block (30), a positioning rod (10) is arranged between two side walls of the mounting groove (9), a flange (11) is circumferentially arranged on the side wall of the positioning rod (10), a spring (12) is arranged between the flange (11) and the forming block (30), the forming block (30) is close to the end face, on one side of the upper die core (6), a first positioning hole (13) communicated with the mounting groove (9) is arranged in a penetrating mode, a second positioning hole (14) is formed in the end face of the upper die core (6), and when the first positioning hole (13) and the second positioning hole (14) face to face, the end portion of the positioning rod (10) is pushed into the second positioning hole (14) through the spring (12).

2. A high precision casting mold according to claim 1, wherein: the side wall of the upper mold core (6) is provided with a first sliding groove (15), the side wall of the lower mold core (7) is provided with a second sliding groove (16), the second sliding groove (16) is communicated with the first sliding groove (15), and the forming block (30) is arranged in the first sliding groove (15) and the second sliding groove (16) in a sliding mode.

3. A high precision casting mold according to claim 2, wherein: the second positioning hole (14) is formed in the side wall of the first sliding groove (15).

4. A high precision casting mold according to claim 2, wherein: the end face, close to one side of the upper mold core (6), of the forming block (30) is provided with a plurality of balls (17), and the balls (17) are abutted against the side wall of the first sliding groove (15).

5. A high precision casting mold according to claim 1, wherein: the end face, close to one side of the lower mold core (7), of the forming block (30) is provided with a sliding hole (18) communicated with the mounting groove (9) in a penetrating mode, the sliding hole (18) is opposite to the first positioning hole (13), and the positioning rod (10) is connected to the sliding hole (18) in a sliding mode.

6. A high accuracy casting mold according to claim 4, wherein: the forming block (30) is close to the end face of one side of the upper mold core (6) is connected with a plurality of mounting seats (19) in a threaded mode, and the balls (17) are embedded in a one-to-one mode and are arranged at the end faces of the mounting seats (19).

7. A high precision casting mold according to claim 1, wherein: the forming block (30) deviates from a guide rod (20) is arranged on the end face of the forming plate (4), a guide hole (21) opposite to the guide rod (20) penetrates through the side wall of the upper mold core (6), and the guide rod (20) is connected to the guide hole (21) in a sliding mode.

8. A high precision casting mold according to claim 3, wherein: the side wall of the first sliding groove (15) is embedded with an installation plate (22), and the second positioning hole (14) penetrates through the end face of the installation plate (22).