CN215199614U

CN215199614U - Self-material-cutting-off opening mold structure

Info

Publication number: CN215199614U
Application number: CN202121422381.4U
Authority: CN
Inventors: 杨柏; 唐文军; 林伟平; 陆英繁
Original assignee: Jinzhijie Dongguan Precision Machinery Co ltd
Current assignee: Jinzhijie Dongguan Precision Machinery Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2021-12-17
Anticipated expiration: 2031-06-24

Abstract

The application discloses from feed interruption mouth mould structure, belong to die casting die's technical field, it includes the mould subassembly, it includes upper die base and last mould mounting panel to go up the mould subassembly, the runner cover is installed to the upper die base, first fixed plate is installed to the bottom of upper die base, the sprue that is linked together with the runner cover is seted up to first fixed plate, screens piece is installed to first fixed plate, the fixed block is installed at the top of going up the mould mounting panel, the pouring runner that is linked together with the sprue is seted up to the fixed block, the pouring runner is linked together with the shaping die-casting work piece's shaping chamber, the screens piece is kept away from one side of upper die base and is seted up the screens runner that is linked together and inclines towards the pouring runner with the sprue. This application has and is convenient for excise the mouth of a river material of runner part, improves die-casting workpiece's production efficiency's effect.

Description

Self-material-cutting-off opening mold structure

Technical Field

The application relates to the field of die-casting molds, in particular to a self-material-cutting opening mold structure.

Background

The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so as to eliminate the shrinkage cavity and shrinkage porosity defect of the blank and make the internal structure of the blank reach the broken crystal grains in the forged state.

In a die-casting mold in the related art, a workpiece and a gate material of a gate portion are formed together when a die-casting workpiece is formed, and after the die-casting workpiece is produced, a worker takes out the die-casting workpiece and then cuts the gate material of the gate portion.

Aiming at the related technologies, the inventor thinks that the operation of cutting off the water diversion port material of the gate part by workers is complicated, and the production efficiency of the die-casting workpiece is low.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the mouth of a river material to runner part to amputate, improve the production efficiency of die-casting work piece, this application provides a from feed interruption mouth mould structure.

The application provides a from feed interruption mouth mould structure adopts following technical scheme:

the utility model provides a from feed interruption mouth mould structure, includes the upper die assembly, the upper die assembly includes the upper die base and goes up the mould mounting panel, the runner cover is installed to the upper die base, first fixed plate is installed to the bottom of upper die base, the sprue that is linked together with the runner cover is seted up to first fixed plate, the screens piece is installed to first fixed plate, the fixed block is installed at the top of going up the mould mounting panel, the pouring runner that is linked together with the sprue is seted up to the fixed block, the pouring runner is linked together with the shaping die-casting work piece's shaping chamber, the screens runner that just inclines towards the pouring runner is seted up with the sprue to one side that the upper die base was kept away from to the screens piece.

By adopting the technical scheme, when the die is closed and the molten metal is injected, the molten metal flows into a forming cavity of a formed die-casting workpiece sequentially through the sprue bush, the main runner, the clamping runner and the pouring runner, then the die-casting workpiece is formed through cooling and pressurizing, the molten metal in the sprue bush, the main runner, the clamping runner and the pouring runner forms a nozzle material, when the die is opened, the upper die base is separated from the upper die mounting plate, the clamping block plays a role in limiting the nozzle material when moving along the vertical direction, thereby make the mouth of a river material in the pouring runner cut off when the die sinking automatically, afterwards by the staff with the mouth of a river material after the cutting off directly take out can, need not to be amputated the mouth of a river material of gluing mouthful part by staff's manual behind the die-casting work piece shaping, and then make staff's easy and simple to handle, be favorable to improving the production efficiency of die-casting work piece.

Optionally, the first fixing plate is embedded in the upper die base, and the bottom of the first fixing block is flush with the bottom of the upper die base.

Through adopting above-mentioned technical scheme, inlay the first fixed block of establishing the installation and be favorable to guaranteeing the planarization of upper die base bottom to be favorable to improving the leakproofness when the mould compound die, and then guarantee the shaping quality of die-casting work piece.

Optionally, the clamping block is fixedly connected with at least one hanging part, one side of the first fixing plate facing the upper die base is provided with hanging grooves which are consistent in number and correspond to the hanging parts in position, and the hanging parts are respectively located in the hanging grooves.

Through adopting above-mentioned technical scheme, hang the cooperation of holding portion and hanging the groove and play the limiting displacement to screens piece and first fixed plate to be favorable to guaranteeing the stability of screens piece and first fixed plate relative position, simultaneously, make mounting structure between screens piece and first fixed plate simple and convenient.

Optionally, each edge of the first fixing plate and each edge of the clamping block in the horizontal direction are in arc transition arrangement.

Through adopting above-mentioned technical scheme, difficult appearance is worn and torn the condition mutually with the installation component of screens piece and first fixed plate when screens piece and first fixed plate are installed.

Optionally, each edge in the clamping flow channel is in arc transition arrangement.

Through adopting above-mentioned technical scheme, be the circular arc transition form after the mouth of a river material shaping that is located the screens runner to it is difficult for causing wearing and tearing to the inner wall of screens piece when making mouth of a river material cut off under the limiting displacement of screens piece to carry out.

Optionally, the top of going up the mould mounting panel inlays to establish and installs the second fixed plate that corresponds the setting with first fixed plate, the top of second fixed plate is leveled mutually with the top of last mould mounting panel.

Through adopting above-mentioned technical scheme, the setting up of second fixed plate makes when the position that last mould mounting panel and sprue correspond appears damaging, the staff maintain alone the second fixed plate and change can, need not to change last mould mounting panel to be favorable to reducing the maintenance cost.

Optionally, the first fixing plate and the second fixing plate have the same outer dimension.

Through adopting above-mentioned technical scheme, be convenient for realize the processing to first fixed plate and second fixed plate.

Optionally, the aperture of the pouring runner hole close to the upper die mounting plate is between 8mm and 10 mm.

By adopting the technical scheme, the pouring runner with the runner hole between 8mm and 10mm is beneficial to cutting off the formed nozzle material under the condition of ensuring full filling of the die-casting workpiece.

Optionally, the upper die holder is fixedly connected with at least two guide pillars, the upper die mounting plate is provided with guide sleeves which are consistent in number and corresponding in position to the guide pillars, and each guide pillar is respectively located in each guide sleeve and is in sliding fit with each guide sleeve.

Through adopting above-mentioned technical scheme, the guide pillar cooperates the guide effect when playing upper die base and last mould mounting panel phase separation with sliding of guide pin bushing to be favorable to guaranteeing the upper die base towards the stability when keeping away from last mould mounting panel direction motion.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mouth of a river material in the pouring runner cuts off automatically when the die sinking, afterwards by the staff with the mouth of a river material after cutting off directly take out can, need not to be amputated the mouth of a river material of jiao kou part by staff manual after the die-casting work piece shaping, and then make staff's easy and simple to handle, be favorable to improving the production efficiency of die-casting work piece.

2. The hanging part and the hanging groove are matched to limit the position between the clamping block and the first fixing plate, so that the stability of the relative position of the clamping block and the first fixing plate is guaranteed, and meanwhile, the mounting structure between the clamping block and the first fixing plate is simple and convenient.

3. The water gap material positioned in the clamping flow channel is in a circular arc transition shape after being formed, so that the inner wall of the clamping block is not easily abraded when the water gap material is cut off under the limiting effect of the clamping block.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic structural diagram of an upper die assembly according to an embodiment of the present application.

FIG. 3 is a schematic structural diagram of a lower die assembly according to an embodiment of the present application.

Fig. 4 is an exploded view of the upper die base and the upper die mounting plate in the embodiment of the present application.

FIG. 5 is a schematic drawing in partial cross-section of an upper die assembly in an embodiment of the present application.

Fig. 6 is a schematic view of the connection relationship between the first fixing plate and the blocking block in the embodiment of the present application.

Description of reference numerals:

1. an upper die holder; 2. an upper die mounting plate; 3. mounting a template; 4. an upper mold forming part; 5. a lower die mounting plate; 6. a lower template; 7. a lower die forming cavity; 8. a rubber mouth sleeve; 9. a first fixing plate; 10. a main flow channel; 11. a second fixing plate; 12. a fixed block; 13. a containing groove; 14. pouring a runner; 15. a placement groove; 16. a bit block; 17. a hanging part; 18. a hanging groove; 19. a blocking flow channel; 20. a guide post; 21. and (4) guiding a sleeve.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses from feed interruption mouth mould structure. Referring to fig. 1 and 2, the self-cutting-off port die structure comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base 1 and an upper die mounting plate 2, an upper die plate 3 is embedded at the bottom of the upper die mounting plate 2, and an upper die forming part 4 matched with the shape of the upper half part of a die-casting workpiece is installed on one side, away from the upper die mounting plate 2, of the upper die plate 3.

Referring to fig. 1 and 3, the lower die assembly comprises a lower die mounting plate 5 which is opposite to the upper die mounting plate 2, a lower die plate 6 which is arranged corresponding to the upper die plate 3 is embedded at the top of the lower die mounting plate 5, a lower die forming cavity 7 which is matched with the lower half shape of the die-casting workpiece is formed at the top of the lower die plate 6, and after die assembly, the die-casting workpiece is formed in an area which is surrounded by the upper die forming part 4 and the lower die forming cavity 7.

Referring to fig. 4 and 5, one side of the upper die holder 1 away from the upper die mounting plate 2 is the top of the upper die holder 1, and one side of the upper die holder 1 close to the upper die mounting plate 2 is the bottom of the upper die holder 1. The sprue bush is installed at the top of the upper die base 1, a first fixing plate 9 is installed at the bottom of the upper die base 1 in an embedded mode through a bolt, one side, away from the upper die base 1, of the first fixing plate 9 is flush with the bottom of the upper die base 1, namely the bottom of the first fixing plate 9, a main runner 10 which is communicated with the sprue bush 8 and extends along the horizontal direction of the sprue bush is installed at the bottom of the first fixing plate 9, and molten metal enters the main runner 10 through the sprue bush during pouring.

The top of going up mould mounting panel 2 inlays through the bolt and establishes the second fixed plate 11 of installing and corresponding setting with first fixed plate 9 position, the top of second fixed plate 11 is that one side that last mould mounting panel 2 was kept away from to second fixed plate 11 is parallel and level with the top of last mould mounting panel 2 mutually, second fixed plate 11 is unanimous with the overall dimension of first fixed plate 9, during the compound die, the bottom of first fixed plate 9 is contradicted in the top of second fixed plate 11, being provided with of second fixed plate 11 does benefit to and reduces the maintenance cost.

With continued reference to fig. 4 and 5, the top of the upper die mounting plate 2 is provided with a fixing block 12 in an embedded manner by a bolt, the second fixing plate 11 is provided with an accommodating groove 13 vertically penetrating through the second fixing plate, the fixing block 12 is located in the accommodating groove 13, and the top of the fixing block 12 is flush with the top of the second fixing plate 11. The fixing block 12 is provided with a pouring runner 14 vertically penetrating through the fixing block, one end of the pouring runner 14 is communicated with the main runner 10, and the other end of the pouring runner 14 is communicated with the lower die forming cavity 7, so that the molten metal flowing into the main runner 10 flows into the lower die forming cavity 7 through the pouring runner 14 to form a die-casting workpiece. The aperture of the pouring runner 14 close to the runner hole of the upper die mounting plate 2 is 8-10 mm, and 8mm is selected in the embodiment of the application, so that the formed nozzle material is conveniently cut off under the condition of ensuring full filling of the die-casting workpiece.

Referring to fig. 5 and 6, the first fixing plate 9 is provided with a through-going placement groove 15, a substantially rectangular block-shaped locking block 16 is disposed in the placement groove 15, and the bottom of the locking block 16 is flush with the bottom of the first fixing plate 9. Two sides of the length direction of the clamping block 16 are fixedly connected with a hanging part 17 respectively, and the hanging part 17 is arranged close to the top of the clamping block 16. Two hanging and holding grooves 18 communicated with the placing groove 15 are formed in the top of the first fixing plate 9, namely one side, facing the upper die holder 1, of the first fixing plate 9, the two hanging and holding grooves 18 are respectively arranged corresponding to the two hanging and holding parts 17, and the two hanging and holding parts 17 are respectively positioned in the two hanging and holding grooves 18, so that the mounting structure between the clamping block 16 and the first fixing plate 9 is simple and convenient.

With reference to fig. 5 and 6, a clamping runner 19 communicated with the main runner 10 and inclined toward the pouring runner 14 is formed on one side of the clamping block 16 away from the upper die holder 1, and each corner in the clamping runner 19 is in arc transition arrangement. When the die is opened after the die-casting workpiece is formed, the clamping block 16 plays a role in limiting the movement of the nozzle material in the vertical direction, so that the nozzle material in the pouring runner 14 can be automatically cut off when the die is opened, and then the cut nozzle material can be directly taken out by a worker, and the operation is simple and convenient.

Referring to fig. 4 and 6, each edge of the first fixing plate 9, the second fixing plate 11, the locking block 16 and the fixing block 12 in the horizontal direction is in a circular arc transition arrangement, so that the first fixing plate 9, the second fixing plate 11, the locking block 16 and the fixing block 12 are not easily worn by other installation components during installation.

Referring to fig. 4, four guide pillars 20 are fixedly installed on the upper die base 1, and the four guide pillars 20 are respectively distributed near four corners of the upper die base 1. The upper die mounting plate 2 is provided with four guide sleeves 21 which are provided with guide pillars 20 in the same number and are arranged in a one-to-one correspondence manner, and each guide pillar 20 is respectively penetrated through each guide sleeve 21 and is in sliding fit with each guide sleeve 21 so as to play a role in limiting and guiding the upper die base 1 when moving along the vertical direction, thereby ensuring the stability of the upper die base 1 when moving.

The implementation principle of a self-cutting-off opening mold structure in the embodiment of the application is as follows: when the upper die assembly and the lower die assembly are assembled and molten metal is injected, the molten metal flows into the lower die forming cavity 7 sequentially through the rubber port sleeve 8, the main runner 10, the clamping runner 19 and the pouring runner 14, and then the die-casting workpiece is formed through cooling and pressurizing. Be located jiao kou cover 8, sprue 10, the molten metal in screens runner 19 and the pouring runner 14 forms the mouth of a river material, during the die sinking, earlier with upper die base 1 with last mould mounting panel 2 phase separation, screens piece 16 plays the limiting displacement when moving along vertical direction to the mouth of a river material, thereby make the mouth of a river material in the pouring runner 14 cut off when the die sinking is automatic, afterwards by the staff with the mouth of a river material after cutting off directly take out can, thereby make the staff to the easy and simple to handle of mouth of a river material cutting off, be favorable to improving the production efficiency of die-casting work piece.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a from feed interruption mouth mould structure, includes mould component, its characterized in that: go up the mould subassembly and include upper die base (1) and last mould mounting panel (2), the runner cover is installed in upper die base (1), first fixed plate (9) are installed to the bottom of upper die base (1), sprue (10) that are linked together with the runner cover are seted up in first fixed plate (9), screens piece (16) are installed to first fixed plate (9), fixed block (12) are installed at the top of last mould mounting panel (2), pouring runner (14) that are linked together with sprue (10) are seted up in fixed block (12), pouring runner (14) are linked together with the shaping die-casting work piece's shaping chamber, screens runner (19) that are linked together and incline towards pouring runner (14) are seted up with sprue (10) to one side that upper die base (1) was kept away from in screens piece (16).

2. The self-feed-through opening mold structure according to claim 1, wherein: the first fixing plate (9) is embedded in the upper die base (1), and the bottom of the first fixing plate (9) is flush with the bottom of the upper die base (1).

3. A self-feed-through opening mold structure according to claim 2, wherein: the clamping block (16) is fixedly connected with at least one hanging and holding part (17), hanging and holding grooves (18) which are consistent in number and correspond in position to the hanging and holding parts (17) are formed in one side, facing the upper die base (1), of the first fixing plate (9), and the hanging and holding parts (17) are located in the hanging and holding grooves (18) respectively.

4. A self-feed-through mould structure according to claim 3, wherein: and each edge of the first fixing plate (9) and each edge of the clamping block (16) in the horizontal direction are in arc transition arrangement.

5. A self-feed-through opening mold structure according to any one of claims 1 to 4, wherein: each edge in the clamping flow channel (19) is in arc transition arrangement.

6. The self-feed-through opening mold structure according to claim 1, wherein: the top of going up mould mounting panel (2) is inlayed and is established second fixed plate (11) of installing and corresponding setting with first fixed plate (9), the top of second fixed plate (11) is leveled mutually with the top of last mould mounting panel (2).

7. The structure of a self-feed-through opening mold according to claim 6, wherein: the first fixing plate (9) and the second fixing plate (11) are consistent in external dimension.

8. The self-feed-through opening mold structure according to claim 1, wherein: the aperture of the pouring runner (14) close to the runner hole of the upper die mounting plate (2) is between 8mm and 10 mm.

9. The self-feed-through opening mold structure according to claim 1, wherein: the die comprises an upper die holder (1) and an upper die mounting plate (2), wherein the upper die holder (1) is fixedly connected with at least two guide columns (20), the upper die mounting plate (2) is provided with guide sleeves (21) which are consistent in number with the guide columns (20) and are arranged correspondingly in position, and each guide column (20) is respectively positioned in each guide sleeve (21) and is in sliding fit with each guide sleeve (21).