CN212329608U

CN212329608U - Polisher head shell die casting die

Info

Publication number: CN212329608U
Application number: CN202020620008.9U
Authority: CN
Inventors: 吴志浩; 曹传湘
Original assignee: Ningbo Lianyou Precision Manufacturing Co ltd
Current assignee: Ningbo Lianyou Precision Manufacturing Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-12
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to a polisher head shell die-casting die, which comprises a static die frame, a static die core, a movable die frame, a movable die core and a guide mechanism, wherein the movable die core and the static die core are attached to each other to form at least one product cavity, each product cavity is correspondingly provided with a pair of symmetrically arranged side cores and a main core, and the side cores and the main core are both connected between the static die core and the movable die core in a sliding manner; the front end of the side mold core is provided with a structure matched with the concave parts of the two symmetrical side walls of the head shell body; the main core is provided with a structure matched with the inner wall of the opening side of the head shell body; the main mold core and the side mold cores are connected with linkage pieces which are connected to the movable mold frame in a sliding mode, and a driving structure for driving the linkage pieces to slide is arranged between the static mold frame and the linkage pieces. The utility model discloses be convenient for realize the operation of loosing core of polisher head shell casting product.

Description

Polisher head shell die casting die

Technical Field

The utility model belongs to the technical field of the die casting die technique and specifically relates to a polisher head shell die casting die is related to.

Background

At present, a die-casting die mainly comprises a static die frame, a static die core, a movable die frame, a movable die core, a feeding mechanism, a guide mechanism and the like, wherein the movable die frame and the static die frame move relatively to each other so that the static die core and the movable die core are attached to each other to form a die cavity, molten metal is injected into the die cavity, and a product with the shape of the die cavity is obtained after cooling.

Fig. 5 shows a head housing product of a grinding machine, which includes a head housing body 1, wherein two symmetrical sidewalls of the head housing body 1 are respectively provided with a first mounting hole 2, the opening side of the head housing body 1 is provided with a main shaft mounting hole 3 and four peripheral second mounting holes 4, and the core pulling difficulty of the mold is large due to the complex structure.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a polisher head shell die casting die for casting above-mentioned product can realize loosing core after the die-casting is accomplished.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a polisher head shell die-casting die comprises a static die frame, a static die core, a movable die frame, a movable die core and a guide mechanism, wherein the movable die core and the static die core are attached to each other to form at least one product cavity; the front end of the side mold core is provided with a structure matched with the concave parts of the two symmetrical side walls of the head shell body; the main core is provided with a structure matched with the inner wall of the opening side of the head shell body; the main mold core and the side mold cores are connected with linkage pieces which are connected to the movable mold frame in a sliding mode, and a driving structure for driving the linkage pieces to slide is arranged between the static mold frame and the linkage pieces.

By adopting the technical scheme, the main mold core and the side mold core can slide along with the linkage piece so as to slide between the movable mold core and the static mold core, a driving structure for driving the linkage piece to slide is arranged between the static mold frame and the linkage piece, and the driving structure can realize the purpose, when the movable mold frame moves towards one side of the static mold frame, the driving structure drives the linkage piece to slide towards the side where the movable mold core and the static mold core are positioned, thereby driving the main core and the side core to slide to the appointed positions of the movable core and the static core, forming a die cavity with the same shape as the head shell body through the front end structures of the main core and the side core and the inner wall structures of the movable core and the static core, after casting, the movable mold frame moves to one side far away from the static mold frame, the driving structure drives the linkage piece to slide to one side far away from the movable mold core, thereby take out main core and side core from the good head shell body of casting, accomplish and loose core, be convenient for the product take off from the movable mould benevolence.

The present invention may be further configured in a preferred embodiment as: the movable mould frame is fixedly connected with a sliding rail, the linkage part is a sliding block, and the sliding block is connected to the sliding rail in a sliding mode.

Through adopting above-mentioned technical scheme, inject the slip orbit of slider through the slide rail for the slider slip direction is more accurate.

The present invention may be further configured in a preferred embodiment as: the driving structure comprises a guide hole which is arranged on the sliding block in an inclined mode and an inclined rod which is fixed on the static mould frame and matched with the guide hole.

By adopting the technical scheme, when the movable mold frame moves to one side where the static mold frame is located until the inclined rod is inserted into the inclined hole, the movement track of the movable mold frame is fixed, so that the slide block can be pushed to slide on the slide rail by the inclined rod under the guiding action of the inclined rod and the guide hole, and when the movable mold frame is far away from the static mold frame, the slide block can be pushed to slide in the direction far away from the movable mold core by the inclined rod until the inclined rod leaves the guide hole.

The present invention may be further configured in a preferred embodiment as: and a limiting plate is arranged at the outer end of the sliding rail.

Through adopting above-mentioned technical scheme, the limiting plate can be used to the outside gliding extreme position of injecing the slider.

The present invention may be further configured in a preferred embodiment as: the main core and the side core respectively comprise a core body and a core rod, a through hole is formed in the core body, the core rod is connected to the core body in a penetrating mode, a sinking groove is formed in the edge, facing the sliding block, of one end of the through hole, the end, matched with the sinking groove in size, of the outer end of the core rod is abutted to the sliding block, and the core body is connected with the sliding block through bolts.

By adopting the technical scheme, the length of the core rod is usually longer, the core rod is usually used for forming various mounting holes on a product, the core rod usually goes deep into the movable die core, the pressure of molten metal is higher, the probability of cracking failure is higher, and therefore the core body and the core rod can be replaced by a split and combined mode, and the maintenance cost is saved. The core bar is connected in the through hole in a penetrating mode and is limited through the end head and the sinking groove, the core bar is convenient to install, the core body and the sliding block are connected through the bolts, and after the bolts are taken down, the core body and the core bar can be separated, and operation is convenient.

The present invention may be further configured in a preferred embodiment as: the slider is provided with a positioning groove, and the core body is provided with a positioning block.

By adopting the technical scheme, the core body and the sliding block are conveniently and accurately assembled and installed through the positioning block and the positioning groove.

The present invention may be further configured in a preferred embodiment as: the movable mold core and the static mold core are attached to each other to form two product cavities, and the two product cavities are centrosymmetric about the vertical center line of the movable mold core.

Through adopting above-mentioned technical scheme, can cast two products simultaneously, improve production efficiency.

The present invention may be further configured in a preferred embodiment as: the guide mechanism comprises a guide sleeve arranged at the edge of the static mold frame and a guide pillar arranged at the edge of the movable mold frame.

Through adopting above-mentioned technical scheme, guide pillar and guide pin bushing form to slide spacingly for movable mould frame and quiet mould frame cooperation are more accurate.

To sum up, the utility model discloses a following at least one useful technological effect:

1. core-pulling operation of the grinding machine head shell cast product can be realized;

2. the core body and the core rod are combined, local replacement of damaged parts is facilitated, and maintenance cost is reduced.

Drawings

FIG. 1 is an exploded view of the present embodiment;

FIG. 2 is a schematic structural diagram of a relevant part of the moving mold frame of the present embodiment;

FIG. 3 is a schematic view showing the state of the mold clamping process of the present embodiment;

FIG. 4 is an exploded view of the core and core rod connection of the present embodiment;

fig. 5 is a schematic structural view of a cast product according to the present embodiment.

Reference numerals: 1. a head housing body; 2. a first mounting hole; 3. a main shaft mounting hole; 4. a second mounting hole; 5. a static mould frame; 6. moving the mold frame; 7. a static mold core; 8. a movable mould core; 9. a guide sleeve; 10. a guide post; 11. a spreader cone; 12. a feeding cylinder; 13. a primary core; 14. a side core; 15. a slide rail; 16. a slider; 17. a limiting plate; 18. a guide hole; 19. a diagonal bar; 20. a yielding groove; 21. a core body; 22. a core bar; 23. sinking a groove; 24. a tip; 25. positioning blocks; 26. positioning a groove; 27. a threaded hole; 28. a counter bore; 29. and (5) perforating holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a polisher head shell die casting die for cast the polisher head shell product that fig. 5 is shown, it includes head shell body 1, and the symmetrical both sides wall of head shell body 1 all is equipped with first mounting hole 2, and the opening side of head shell body 1 is equipped with main shaft mounting hole 3 and is located four peripheral second mounting holes 4.

As shown in fig. 1, the die-casting mold for a grinding machine head shell of the present embodiment includes a stationary mold frame 5, a stationary mold core 7, a movable mold frame 6, and a movable mold core 8, wherein the stationary mold core 7 is installed on the stationary mold frame 5, and the movable mold core 8 is installed on the movable mold frame 6. Guide sleeves 9 are arranged at four corners of the static mold frame 5, guide pillars 10 are arranged at four corners of the movable mold frame 6, and the guide pillars 10 can slide in a matched manner with the guide sleeves 9. The movable mould core 8 and the static mould core 7 are oppositely attached to form two product cavities, a shunting cone 11 is arranged at the position, close to the movable mould core 8, of the movable mould frame 6, a feeding cylinder 12 is installed on the static mould frame 5, when the movable mould core 8 and the static mould core 7 are oppositely attached, the feeding cylinder 12 is sealed on the peripheral side of the shunting cone 11, the shunting cone 11 is communicated with the product cavities, molten metal can be shunted and injected into the two product cavities through the feeding cylinder 12, and the two product cavities are symmetrical about the vertical center line of the movable mould core 8.

As shown in fig. 2, each product cavity is correspondingly provided with a pair of symmetrically arranged side cores 14 and a main core 13, and the side cores 14 and the main core 13 are both slidably connected between the stationary core 7 and the moving core 8; the front end of the side core 14 is provided with a structure matched with the concave parts of the two symmetrical side walls of the head shell body 1; the main core 13 is provided with a structure adapted to the inner wall of the opening side of the head housing body 1. The front end of the main core 13 and the front end of the side core 14 and the inner wall structures of the movable mold core 8 and the static mold core 7 form a mold cavity with the same shape as the head shell body 1. The main mold core 13 and the side mold cores 14 are connected with linkage pieces which are connected to the movable mold frame 6 in a sliding mode, and a driving structure for driving the linkage pieces to slide is arranged between the static mold frame 5 and the linkage pieces. The movable mould frame 6 is fixedly connected with a slide rail 15, the linkage part is a slide block 16, the slide block 16 is connected with the slide rail 15 in a sliding mode, and a limiting plate 17 is arranged at the outer end of the slide rail 15.

As shown in fig. 2 and 3, the driving structure includes a guide hole 18 disposed on the slider 16 in an inclined manner, and an inclined rod 19 fixed on the stationary mold frame 5 and engaged with the guide hole 18. The slide rail 15 only limits the sliding direction of the slide block 16 to be towards the movable die core 8 or away from the movable die core 8, the movable die core 8 is provided with a abdicating groove 20, and the inclined rod 19 is placed when the movable die core 8 and the static die core 7 are attached to each other.

Referring to fig. 2 and 3, during the mold closing process, when the movable mold frame 6 moves towards the direction of the stationary mold frame 5, the inclined rod 19 is inserted into the guide hole 18 of the corresponding slide block 16, the guide hole 18 and the inclined rod 19 are adapted, the movable mold frame 6 and the stationary mold frame 5 are positioned by the guide sleeve 9 and the guide post 10 only for relative or deviated movement, when the movable mold block continues to move towards the side of the stationary mold frame 5, the inclined rod 19 pushes the slide block 16 to slide towards the side of the movable mold core 8, so as to synchronously push the main mold core 13 and the side mold core 14 to move, and when the movable mold core 8 and the stationary mold core 7 are attached to each other, the main mold core 13 and the side mold core 14 also just move to a predetermined position, so as to form a mold cavity with the same shape as the head shell body 1 together with the inner wall structures of the movable mold. When the movable mold frame 6 moves away from the stationary mold frame 5, the inclined rod 19 pushes the slider 16 to move in the direction away from the movable mold core 8 until the inclined rod 19 leaves the guide hole 18, so that the slider 16 drives the main mold core 13 and the side mold cores 14 to slide in the direction away from the movable mold core 8, thereby achieving the purpose of core pulling.

As shown in fig. 4 and 5, preferably, each of the main core 13 and the side core 14 includes a core body 21 and a core rod 22, the core body 21 is provided with a through hole 29, the core rod 22 is connected to the core body 21 in a penetrating manner, one end edge of the through hole 29 facing the slider 16 is provided with a sinking groove 23, the outer end of the core rod 22 is provided with a tip 24 matched with the sinking groove 23 in size, the tip 24 abuts against the slider 16, the core body 21 and the slider 16 are connected by a bolt, the core body 21 is provided with a threaded hole 27, and the slider 16 is provided with a counter bore 28 for the bolt to penetrate through. In this embodiment, the core bar 22 of the main core 13 is used to form the main shaft mounting hole 3 and the second mounting hole 4 on the head shell body 1; the core pin 22 on the side core 14 is used to mold the first mounting hole 2 on the head shell body 1. The slide block 16 is provided with a positioning groove 26, and the core body 21 is provided with a positioning block 25. After the core 21 and the slider 16 are removed, the core rod 22 can be replaced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a polisher head shell die casting die, includes quiet die frame (5), quiet mould benevolence (7), movable mould frame (6), movable mould benevolence (8), guiding mechanism, its characterized in that: the movable mould core (8) and the static mould core (7) are attached to each other to form at least one product cavity, each product cavity is correspondingly provided with a pair of symmetrically arranged side mould cores (14) and a main mould core (13), and the side mould cores (14) and the main mould cores (13) are both connected between the static mould core (7) and the movable mould core (8) in a sliding manner; the front end of the side mold core (14) is provided with a structure matched with the concave parts of the two symmetrical side walls of the head shell body (1); the main mold core (13) is provided with a structure matched with the inner wall of the opening side of the head shell body (1); the main mold core (13) and the side mold core (14) are connected with a linkage piece in sliding connection with the movable mold frame (6), and a driving structure for driving the linkage piece to slide is arranged between the static mold frame (5) and the linkage piece.

2. The grinding machine head shell die-casting die of claim 1, wherein: the movable mould frame (6) is fixedly connected with a sliding rail (15), the linkage part is a sliding block (16), and the sliding block (16) is connected to the sliding rail (15) in a sliding mode.

3. The grinding machine head shell die-casting die as claimed in claim 2, characterized in that: the driving structure comprises a guide hole (18) which is arranged on the sliding block (16) in an inclined mode and an inclined rod (19) which is fixed on the static mould frame (5) and matched with the guide hole (18).

4. The grinding machine head shell die-casting die of claim 3, wherein: and a limiting plate (17) is arranged at the outer end of the sliding rail (15).

5. The grinding machine head shell die-casting die of claim 4, wherein: the main core (13) and the side core (14) both comprise a core body (21) and a core rod (22), a through hole (29) is formed in the core body (21), the core rod (22) is connected to the core body (21) in a penetrating mode, a sinking groove (23) is formed in one end edge, facing the sliding block (16), of the through hole (29), an end head (24) matched with the sinking groove (23) in size is arranged at the outer end of the core rod (22), the end head (24) abuts against the sliding block (16), and the core body (21) and the sliding block (16) are connected through bolts.

6. The grinding machine head shell die-casting die of claim 5, wherein: the slide block (16) is provided with a positioning groove (26), and the core body (21) is provided with a positioning block (25).

7. The grinding machine head shell die-casting die of claim 1, wherein: the movable mould core (8) and the static mould core (7) are attached to each other to form two product mould cavities, and the two product mould cavities are centrosymmetric about the vertical center line of the movable mould core (8).

8. The grinding machine head shell die-casting die of claim 1, wherein: the guide mechanism comprises a guide sleeve (9) arranged at the corner of the static mold frame (5) and a guide pillar (10) arranged at the corner of the movable mold frame (6).