CN113245526A

CN113245526A - Aluminum die-casting die for vehicle

Info

Publication number: CN113245526A
Application number: CN202110795009.6A
Authority: CN
Inventors: 陈亮; 吴邦亮; 张建; 邹国豪
Original assignee: Ningbo Yirui Mould Co ltd
Current assignee: Ningbo Yirui Mould Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-08-13
Anticipated expiration: 2041-07-14
Also published as: CN113245526B

Abstract

The invention relates to an aluminum die-casting die for a vehicle, which comprises a movable die assembly and a fixed die assembly, wherein the movable die assembly and the fixed die assembly are assembled to form a molding deslagging grabbing runner. The movable mold assembly comprises a movable mold plate, a movable mold base, a first movable mold block and a second movable mold block, the first movable mold block and the second movable mold block are folded to form a flow guide channel, the injection hole is communicated with the slag discharge forming grabbing runner, the slag discharge forming grabbing runner is provided with a pipe body cavity, the pipe body cavity is used for forming and grabbing the grabbing part of the aluminum die casting, and the fixed mold assembly is provided with an ejection mechanism corresponding to the pipe body cavity. The automobile-used aluminium die casting die still includes material handle cutting device and knot quick-witted device, and material handle cutting device is provided with the cutting edge, and the water conservancy diversion passageway is located the flexible removal route of cutting edge. The ejection mechanism is correspondingly pushed against the pipe body cavity, so that the manipulator can conveniently grab the grabbing part of the aluminum die casting formed in the pipe body cavity, and the phenomenon that a clamping mark is formed on the surface of the main body of the aluminum die casting is avoided.

Description

Aluminum die-casting die for vehicle

Technical Field

The invention relates to the technical field of dies, in particular to an aluminum die-casting die for a vehicle.

Background

After the aluminum die-casting process is finished, a material handle is arranged between the pouring gate and the die-casting piece. This material handle usually needs to be shoveled or the manual work is shoveled through other tooling device secondary, leads to machining efficiency low, and the safety in utilization is poor. In addition, when the die is used for processing the aluminum die casting, the aluminum die casting in the forming cavity needs to be pushed out through the ejector pin mechanism, and then the aluminum die casting is taken away through the manipulator. However, the surface of part of the aluminum die casting cannot have ejector pin indentation or grabbing traces of a mechanical arm so as to avoid influencing the surface quality of the workpiece and the design requirements of use. However, the existing mold runner design cannot avoid the thimble indentation or the grabbing trace of the manipulator at the same time, and is difficult to meet the production requirement of the aluminum die casting, so that improvement is needed.

Disclosure of Invention

The invention aims to provide an aluminum die-casting die for a vehicle.

In order to achieve the purpose, the invention adopts the following technical scheme: the invention provides an aluminum die-casting die for a vehicle, which comprises a movable die assembly and a fixed die assembly, wherein the movable die assembly and the fixed die assembly are assembled to form a slag-discharging molding grabbing runner, the slag-discharging molding grabbing runner is used for molding an aluminum die-casting, the movable die assembly comprises a movable die plate, a movable die holder connected to the movable die plate, a first movable die block mounted on the movable die plate and a second movable die block mounted on the movable die holder, the first movable die block and the second movable die block are folded to form a flow guide channel, the slag-discharging molding grabbing runner is provided with a pipe body cavity, the pipe body cavity is used for molding a grabbing part for grabbing the aluminum die-casting, and the fixed die assembly is provided with an ejection mechanism corresponding to the pipe body cavity; the automobile-used aluminium die casting die is still including install in the material handle cutting device of movable mould seat, connect the movable mould seat with the knot of movable mould board is quick-witted device, it is used for driving to detain quick-witted device movable mould seat for the first die sinking of movable mould board motion and drive the movable mould seat with the secondary die sinking of movable mould board joint movement, material handle cutting device is provided with the cutting edge, the water conservancy diversion passageway is located on the flexible removal route of cutting edge, material handle cutting device along being on a parallel with the surface straight line concertina movement of second movable module when a die sinking.

In one embodiment, the button sewing machine device comprises a guide frame fixedly connected to the movable template, a locking frame rotatably connected to the movable die holder, an elastic assembly mounted on the movable die holder, and a locking seat fixedly connected to the fixed die assembly, wherein the elastic assembly and the locking seat are respectively located on two sides of a rotation center line of the locking frame; wherein the content of the first and second substances,

when the movable die assembly and the fixed die assembly are assembled, one end of the lock catch frame is elastically abutted against the guide frame under the action of the elastic force of the elastic assembly, and the other end of the lock catch frame locks the locking seat;

when the movable die assembly and the fixed die assembly are opened, the guide frame moves for a first opening distance along with the movable die plate until the locking frame rotates relative to the movable die base and releases the locking of the locking base.

In one embodiment, the guide frame comprises a guide portion and a guide boss protruding from the guide portion, the latch frame comprises a latch frame body and a guide boss protruding from the latch frame body, the guide boss abuts against the guide portion, the guide boss abuts against the latch frame body, and the elastic component and the guide boss are oppositely arranged on the latch frame body;

when the movable die assembly and the fixed die assembly are assembled, the guide boss and the guide boss are separated by a first die opening distance.

In one embodiment, the two groups of button machine devices are arranged and distributed on the diagonal angles of the movable mold component.

In an embodiment, the material handle cutting device comprises an installation frame installed on the movable die holder, a telescopic power mechanism installed on the installation frame, and a knife rest fixedly connected to an output shaft of the telescopic power mechanism, wherein the cutting edge is arranged on the knife rest, and the telescopic direction of the telescopic power mechanism is perpendicular to the folding direction of the first movable module and the second movable module.

In one embodiment, the second movable module is embedded in the movable die holder, the surface of the second movable module is flush with the surface of the movable die holder, the first movable module comprises a material handle groove recessed from the surface, and a flow guide channel is formed between the material handle groove and the surface of the second movable module.

In an embodiment, the mold slag discharge grabbing runner includes a cavity, a first expansion area and a second expansion area that are spaced from the cavity, two or more first slag discharge runners and two or more second slag discharge runners, the two or more first slag discharge runners are connected to the cavity and the first expansion area, the two or more second slag discharge runners are connected to the cavity and the second expansion area, the first slag discharge runner, the second slag discharge runner, the first expansion area and the second expansion area correspond to the ejection mechanism, and the cavity of the tube body is located in the first expansion area.

In one embodiment, the first slag discharge channel extends radially from the cavity to the periphery and then bends to intersect with the first expansion area.

In an embodiment, the first slag discharge flow passage comprises a radiation cavity, a slag ladle cavity, a drainage cavity and an arc cavity, wherein the slag ladle cavity is positioned in the radiation cavity, the arc cavity is in bending connection with the radiation cavity and the drainage cavity, the sectional area of the slag ladle cavity is larger than that of the radiation cavity, the radiation cavity is connected with the cavity, the drainage cavity is connected with the first expansion area, and the ejection mechanism corresponds to the arc cavity and the drainage cavity.

In one embodiment, two or more of the first slag discharge channels intersect with the pipe cavity, and the pipe cavity protrudes from the first slag discharge channels to form a tubular or cylindrical space.

The invention has the beneficial effects that: the material handle of aluminium die casting is opened the in-process relatively at movable mould seat and movable mould board and probably is broken by the stretch-break, and cover half subassembly is along the flexible removal of water conservancy diversion passageway direction to further the disconnected remaining material handle of shovel, ensure that the material handle cutting of aluminium die casting accords with the processing requirement, improve the processing convenience of aluminium die casting. The fixed die assembly is arranged on the movable die holder and used for cutting the material handle when the movable die plate is opened, the cutting difficulty of the material handle is small, and the influence on the shape and the size of the aluminum die casting is small. The ejection mechanism is correspondingly pushed against the pipe body cavity, so that the manipulator can conveniently grab the grabbing part of the aluminum die casting formed in the pipe body cavity, and the phenomenon that a clamping mark is formed on the surface of the main body of the aluminum die casting is avoided.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below. It is obvious that the drawings described below are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic perspective view of an aluminum die casting mold for a vehicle according to the present invention.

Fig. 2 is a schematic sectional structure view of the aluminum die-casting mold for vehicles according to the present invention.

FIG. 3 is a schematic structural view of a stationary mold assembly according to the present invention.

FIG. 4 is a schematic view showing the configuration of the slagging grasping runner of the present invention on the stationary mold assembly.

FIG. 5 is a schematic view of the structure of an aluminum die cast article according to the present invention.

Fig. 6 is a schematic structural diagram of a first view angle of the material handle cutting device in the invention.

Fig. 7 is a structural schematic diagram of a second view angle of the material handle cutting device in the invention.

Fig. 8 is a front view of the buckle device of the present invention mounted to a mold.

FIG. 9 is a side view of the sear device of the present invention mounted to a mold.

Fig. 10 is an enlarged schematic view of a structure at a in fig. 9.

In the figure: a stationary die assembly 10; a fixed mold core 11; a fixed die holder 12; a movable die assembly 20; a movable die plate 21; a movable die holder 22; a pouring gate 23; a first movable block 24; a second movable block 25; a molding slag discharge grabbing runner 30; a cavity 31; a first slag discharge runner 32; a radiation cavity 321; a ladle chamber 322; an arc chamber 323; a drainage lumen 324; a first extension area 33; the tube cavity 331; the first exhaust chamber 332; a plate chamber 333; a second slag discharge flow passage 34; a junction chamber 341; a second extension area 35; the second exhaust chamber 351; an ejection mechanism 40; a material shank cutting device 50; a mounting frame 51; a mounting portion 511; a first support part 512; a second support 513; a movable groove 514; a telescopic power mechanism 52; an output shaft 521; a tool holder 53; a cutting edge 531; a sliding surface 532; a cutting face 533; a balance bar 54; an inductive element 55; a first detecting member 551; a second detecting member 552; a first trigger 553; a second trigger 554; a sear device 60; a guide frame 61; the guide portion 611; a guide boss 612; a guide surface 613; a latch bracket 62; a latch holder 621; a guide boss 622; the guide surface 623; hook groove 624; a weight 625; an elastic member 63; an elastic seat 631; an elastic member 632; a lock seat 64; a base 641; a lock portion 642; an aluminum die cast 70.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "connected" or the like, if appearing to indicate a connection relationship between the components, is to be understood broadly, for example, as being fixed or detachable or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the invention discloses an aluminum die-casting die, which comprises a movable die assembly 20 and a fixed die assembly 10, wherein the movable die assembly 20 and the fixed die assembly 10 are matched to process an aluminum die-casting aluminum casting which can be used for automobile parts. The movable mold assembly 20 comprises a movable mold plate 21, a movable mold base 22 connected to the movable mold plate 21, a pouring gate 23 fixed to the movable mold plate 21, a first movable mold block 24 mounted on the movable mold plate 21, a second movable mold block 25 mounted on the movable mold base 22 and a movable mold core, wherein the first movable mold block 24 is communicated with the pouring gate 23. The second movable module 25 is provided with an injection hole, and the first movable module 24 and the second movable module 25 are folded to form a flow guide channel which is respectively connected with the pouring gate 23 and the injection hole. The pouring gate 23 is communicated with an input device of the liquid aluminum alloy, so that the liquid aluminum alloy enters the movable mold component 20 and the fixed mold component 10 along the pouring gate 23, the flow guide channel and the injection hole to form a slag discharge molding grabbing runner 30, and the aluminum alloy liquid is cooled in the slag discharge molding grabbing runner 30 to form the aluminum die casting 70. Alternatively, the fixed die assembly 10 includes a fixed die holder 12 and a fixed die core 11 mounted to the fixed die holder 12, and a cavity 31 is defined between the fixed die core 11 and the movable die core, and the cavity 31 forms a part of the slagging grasping flow passage 30.

The injection hole is communicated with the slagging grabbing runner 30, the slagging grabbing runner 30 is provided with a pipe body cavity 331, the pipe body cavity 331 is used for forming and grabbing a grabbing part of the aluminum die casting 70, and the fixed die assembly 10 is provided with an ejection mechanism 40 corresponding to the pipe body cavity 331. The tube body cavity 331 is located outside the die cavity 31 and is communicated with the die cavity 31, and after an aluminum cast handle formed by cooling the aluminum alloy liquid in the space corresponding to the tube body cavity 331 is formed by the aluminum cast handle 70, the aluminum cast handle needs to be cut off to obtain a qualified aluminum cast 70 product. The tube body cavity 331 is independent of the cavity 31, so that the manipulator can conveniently grab the whole aluminum die casting 70, the grabbing marks formed on the corresponding surface of the aluminum die casting 70 product can be avoided, and the grabbing convenience and the product quality reliability are improved.

Alternatively, the mold residue discharge grasping flow passage 30 includes a cavity 31, a first expanding region 33 and a second expanding region 35 which are spaced apart from the cavity 31, two or more first residue discharge flow passages 32 and two or more second residue discharge flow passages 34 which are connected to the cavity 31 and are spaced apart. Two or more first slag discharge flow passages 32 connect the cavity 31 and the first expansion area 33, two or more second slag discharge flow passages 34 connect the cavity 31 and the second expansion area 35, and the first slag discharge flow passages 32, the second slag discharge flow passages 34, the first expansion area 33, and the second expansion area 35 correspond to the ejection mechanism 40. The cavity 31 is located at the middle position and is communicated with the injection hole, and the aluminum alloy liquid is injected into the cavity 31 from the injection hole and extends from the middle of the cavity 31 to the peripheral direction. Specifically, the cavity 31 is connected to the first expansion area 33 and the second expansion area 35 by the first slag discharge flow passage 32 and the second slag discharge flow passage 34 in an overflowing manner, wherein the first expansion area 33 and the second expansion area 35 are used for exhausting and discharging slag so as to keep the whole die-casting quality and the surface quality of the aluminum casting in the cavity 31 good.

The ejection mechanism 40 is correspondingly pushed against the first slag discharge flow passage 32, the second slag discharge flow passage 34, the first expansion area 33 and the second expansion area 35, thereby avoiding the cavity 31. After the aluminum die casting 70 is cooled and formed, the ejection mechanism 40 pushes against the aluminum die casting 70, so that the formation of top marks on the surface of the aluminum die casting 70 corresponding to the cavity 31 is avoided, and the reliability of the surface quality of the product is ensured. The first expansion area 33 is connected to the die cavity 31, and the tube body cavity 331 is arranged in the first expansion area 33, so that the first expansion area 33 forms a corresponding cast handle structure, a manipulator can conveniently grab the aluminum die casting 70, and the clamping marks are prevented from being formed on the surface of the aluminum die casting 70. It should be noted that the slagging-off capturing runner 30 is a hole-shaped cavity runner structure formed by closing the movable mold component 20 and the fixed mold component 10, and correspondingly, the movable mold component 20 and the fixed mold component 10 are provided with matched groove structures.

Alternatively, the middle portion of the cavity 31 corresponds to an injection port of the aluminum alloy liquid, and the aluminum alloy liquid is dispersedly discharged to the first slag discharge flow passage 32 and the second slag discharge flow passage 34 along the cavity 31. Accordingly, the gas and slag mixed in the aluminum alloy liquid are dispersed and flowed out to various directions along the first slag discharge flow passage 32 and the second slag discharge flow passage 34. Wherein the gas can be discharged through the first expansion zone 33 and the second expansion zone 35. In order to reduce the whole area of the die and the concentration of slag discharge. In one embodiment, the first slag discharge channel 32 extends radially from the cavity 31 to the periphery and then curves to intersect the first expansion area 33. The first slag discharge runner 32 is of a bent structure to reduce the overall layout area of the first slag discharge runner 32. In addition, the intersecting position of the first slag discharge flow channel 32 and the cavity 31 is in a radiation structure, so that the aluminum alloy liquid extends from the center to the periphery in a radiation manner, the resistance is small, and the injection is smooth. The first slag discharge runner 32 intersects the cavity 31 along the radial direction, the contact area of the two is small, and correspondingly, the corresponding contact position of the aluminum die casting 70 after molding is small. Optionally, two or more first slag discharge channels 32 are symmetrically distributed relative to the cavity 31, and outflow amounts of the cavity 31 in all directions are balanced, so that the forming quality and the surface quality of the aluminum die casting 70 are improved. Optionally, four first slag discharge runners 32 are provided, and the four first slag discharge runners 32 are divided into two groups and symmetrically arranged on two sides of the cavity 31 in an approximately C shape. In the present invention, the radial extension is expressed as a direction extending radially with the injection cavity 31 of the aluminum alloy liquid as a center.

In a particular embodiment, the first slag runner 32 includes a radiant chamber 321, a ladle chamber 322 located in the radiant chamber 321, a drainage chamber 324, and an arc chamber 323 that curvedly connects the radiant chamber 321 and the drainage chamber 324, the ladle chamber 322 having a cross-sectional area greater than the cross-sectional area of the radiant chamber 321. The radiation chamber 321 is connected to the cavity 31, the drainage chamber 324 is connected to the first expansion zone 33, and the ejection mechanism 40 corresponds to the arc chamber 323 and the drainage chamber 324. The slag ladle chamber 322 is located in the middle region of the radiant chamber 321 and between the mould cavity 31 and the arc chamber 323 for collecting the slag ladle cold charge. The arc cavity 323 is arranged in a bending way to adjust the drainage direction of the drainage cavity 324, so that the drainage cavities 324 of the first slag discharge channels 32 are converged and intersected to the first expansion area 33, and the first expansion area 33 can form a cylinder structure which is grabbed by a manipulator after the aluminum die casting 70 is formed.

Alternatively, two or more first slag discharge runners 32 intersect with the tubular body cavity 331, and the tubular body cavity 331 protrudes from the first slag discharge runner 32 to form a tubular or cylindrical space. The body cavity 331 forms the connection portion of the drainage cavity 324, and the body cavity 331 protrudes out of the plane corresponding to the drainage cavity 324, thereby forming a protruding cavity structure. Many drainage lumens 324 gather jointly and communicate to body lumen 331 to make the aluminum alloy liquid of die cavity 31 along different radiation direction output gather to body lumen 331, then make body lumen 331 can constitute the cylinder structure that forms after the shaping of aluminium die casting 70 and be snatched by the manipulator, snatch the convenience and can not influence the major structure of aluminium die casting 70.

The first expansion area 33 and the second expansion area 35 are oppositely arranged at two sides of the cavity 31 so as to exhaust gas from two different directions and collect slag ladle cold materials. Optionally, the first expansion region 33 further comprises a first air discharge chamber 332 intersecting with the body chamber 331 and a flat chamber 333 intersecting with the first air discharge chamber 332, the first air discharge chamber 332 is a wavy space with a wavy shape, and the first air discharge chamber 332 and the first slag discharge flow passage 32 intersect with the body chamber 331 at intervals. The first vent chamber 332 is located at the outflow end of the tube chamber 331 for venting the cavity 31 and the air in each chamber, thereby enabling the aluminum alloy liquid to fill the entire cavity 31. Alternatively, the longitudinal section of the first vent chamber 332 is wavy or sinusoidal, and the transverse section thereof is rectangular, so that a wavy space with fluctuation is formed, which can reduce the flow amount of the aluminum alloy liquid and ensure the normal flow of the gas. And, the first exhaust chamber 332 intersects with the body chamber 331 to intensively exhaust, and the entire structure is compact.

The second expansion area 35 and the first expansion area 33 are respectively located at two sides of the cavity 31 to form two flow passage arrangements in different directions, so that the cavity 31 can expand and extend in different directions. Optionally, the first expansion 33 is located below the cavity 31 and the second expansion 35 is located above the cavity 31. Optionally, the second expansion 35 is symmetrically connected to the cavity 31. Wherein the symmetry bisecting plane of the first extension 33 and the symmetry bisecting plane of the second extension 35 coincide. Alternatively, the intersection of the second slag discharge flow passage 34 and the cavity 31 may extend radially. Similarly, a cavity structure similar to the slag ladle cavity 322 is arranged at the radiation part of the second slag discharging flow channel 34 to form a slag ladle cold material collecting structure.

In one embodiment, the second expansion area 35 includes at least one second exhaust cavity 351, the second exhaust cavity 351 has a wavy space, and the second slag discharge flow passage 34 intersects the second exhaust cavity 351 at intervals. The structure and function of the second exhaust chamber 351 is similar to the structure and function of the first exhaust chamber 332, and can be understood with reference to the first exhaust chamber 332. Further, the second expansion area 35 includes two second exhaust cavities 351 spaced apart from each other, and each second exhaust cavity 351 is connected to one or more second slag discharge runners 34. The second exhaust chamber 351 is provided in two to enhance the exhaust effect of the gas. Moreover, the two second exhaust cavities 351 are independently arranged, and each second exhaust cavity 351 is connected with one or more second slag discharge runners 34, so that the second slag discharge runners 34 are divided, the overall flow performance is better, and the exhaust and slag discharge are smooth.

Further, each of the second exhaust cavities 351 is connected to two or more second slag discharge runners 34. The free ends of two or more second slag discharge runners 34 intersect to form an intersection chamber 341. The junction chamber 341 communicates with the second exhaust chamber 351, and the ejection mechanism 40 corresponds to the junction chamber 341. The intersection chamber 341 collects the second slag discharge flow channel 34 to realize centralized transportation to the second exhaust chamber 351, and the transportation effect is good. Optionally, four second slag discharge channels 34 are connected to each second exhaust cavity 351, each two second slag discharge channels 34 extend from the mold cavity 31 in a radiation manner and then converge to form a flow guide channel, and the two converged flow guide channels are connected at the free end to form the junction cavity 341. The ejection mechanism 40 corresponds to the intersection cavity 341, so that the aluminum die casting 70 is pushed at the position, the overall strength is high, the quality of the outer surface of the aluminum die casting 70 in the cavity 31 is not affected, and the demolding effect is good.

Further, as shown in fig. 1, 2, 6 and 7, the aluminum die-casting mold for the vehicle further includes a material handle cutting device 50 installed on the movable mold seat 22, and a button machine device 60 connecting the movable mold seat 22 and the movable mold plate 21, wherein the button machine device 60 is used for driving a primary mold opening of the movable mold seat 22 to move relative to the movable mold plate 21 and a secondary mold opening of the movable mold seat 22 and the movable mold plate 21 to move together, and the button machine device 60 realizes a secondary mold opening of the movable mold assembly 20 in a mold opening process relative to the fixed mold assembly 10, so as to improve the processing precision and the surface quality of the aluminum die-casting 70. And, still be provided with material handle cutting device 50 on automobile-used aluminium die casting die, this material handle cutting device 50 is provided with cutting edge 531, and the water conservancy diversion passageway is located cutting edge 531 flexible moving path. The material handle of the aluminum die casting 70 in the diversion channel is likely to be broken in the relative opening process of the movable mold base 22 and the movable mold plate 21, the material handle cutting device 50 linearly extends and retracts along the surface parallel to the second movable mold 25 during the primary mold opening process so as to further break the residual material handle, the material handle cutting of the aluminum die casting 70 meets the processing requirements, and the processing convenience of the aluminum die casting 70 is improved. The material handle cutting device 50 is arranged on the movable die holder 22 and is used for cutting the material handle when the movable die plate 21 is opened, the cutting difficulty of the material handle is small, and the influence on the shape and the size of the aluminum die casting 70 is small. The cutting blade 531 scrapes and cuts the material shank on the moving path to prevent the material shank from being connected to the second movable mold block 25 and the aluminum die cast part 70, thereby improving controllability of the material shank cutting position.

In an embodiment, the material handle cutting device 50 includes an installation frame 51 installed on the movable die holder 22, a telescopic power mechanism 52 installed on the installation frame 51, and a knife rest 53 fixedly connected to an output shaft 521 of the telescopic power mechanism 52, wherein a cutting edge 531 is disposed on the knife rest 53, and a telescopic direction of the telescopic power mechanism 52 is perpendicular to a folding direction of the first movable die block 24 and the second movable die block 25. The mounting bracket 51 is fixed to the movable mold base 22 and extends beyond the outer peripheral wall of the movable mold base 22, and is a rigid structural member as a whole. The telescopic power mechanism 52 is installed on the movable die holder 22 and moves telescopically in the direction of the second movable die block 25, and the tool rest 53 is installed on the output shaft 521 to perform linear telescopic movement so as to cut the material handle smoothly. Alternatively, the telescopic power mechanism 52 is provided as a hydraulic cylinder assembly, and the tool rest 53 is attached to an end of the output shaft 521 of the hydraulic cylinder.

Cutting edge 531 is located at the end of tool holder 53 to scrape the dipper handle directly. In order to improve the flatness of the lever spatula plane and the reliability of the fit of the second movable module 25, the cutting edge 531 comprises a sliding surface 532 and a cutting surface 533 obliquely intersecting the sliding surface 532, and the sliding surface 532 is flush with the surface of the second movable module 25. The cutting edge 531 is of a single-side edge structure, so that the sliding surface 532 is parallel to the second movable module 25, the material handle is obliquely shoveled along the cutting surface 533, the smooth section of the material handle is ensured, the material handle is flush with the second movable module 25, and the cutting effect is good. And, the material handle is shoveled up through cutting edge 531, conveniently drops. Optionally, the second movable mold block 25 is embedded in the movable mold base 22, and a surface of the second movable mold block 25 is flush with a surface of the movable mold base 22. The first movable die block 24 includes a shank groove recessed from the surface, and a flow guide passage is formed between the shank groove and the surface of the second movable die block 25. The sliding surface 532 is flush with the surface of the movable mold base 22 and the surface of the second movable mold 25, so that the material handle can be shoveled in a plane shape and the material slag adhered to the surface of the second movable mold 25 can be shoveled, and the cutting effect is good.

The tool holder 53 is connected to the output shaft 521 of the telescopic power mechanism 52, and the tool holder 53 and the output shaft are detachably connected to improve convenience of replacement and maintenance of the tool holder 53. Optionally, the tool holder 53 is provided with a mounting hole through which a fastener passes and is lockingly connected to the output shaft 521 to secure the tool holder 53 to the output shaft 521. Alternatively, the tool holder 53 is provided with a positioning hole, and the output shaft 521 is inserted into the positioning hole and locked by a fastener, so that the tool holder 53 is fixed to the output shaft 521. Optionally, the centerline of the output shaft 521 is parallel to the sliding surface 532.

Optionally, the tool holder 53 includes a holder body, a cutting block detachably mounted on the holder body, and a slider fixedly connected to the holder body, the slider is slidably connected to the movable die holder 22, and the cutting edge 531 is disposed at an end of the cutting block. The frame body is fixed at the end of the output shaft 521 and is connected with the movable die holder 22 in a sliding manner through a sliding block, so that the sliding direction and stability of the tool rest 53 are improved. In addition, the slider is slidably connected to the movable die holder 22, so that the cutting force received by the cutting edge 531 can be transmitted to the movable die holder 22, and the tool holder 53 is prevented from swinging or bending during cutting to affect the cutting effect. Optionally, the movable mold base 22 is configured with a sliding groove or a sliding rail, which is matched with the sliding block, and the sliding groove or the sliding rail is configured with a limiting structure to prevent the sliding block from separating. For example, the cross section of the sliding groove or the sliding rail is arranged to be approximate to a dovetail shape or a T shape.

Further, in order to improve the smoothness of the telescopic motion direction of the output shaft 521, optionally, the material handle cutting device 50 further includes a balance bar 54, and the balance bar 54 is connected to one end of the output shaft 521 of the telescopic power mechanism 52, which is far away from the tool rest 53. The balance bar 54 is slidably connected to the telescopic power mechanism 52 or the mounting bracket 51, and the center line of the balance bar 54 is parallel to the center line of the output shaft 521. The balance bar 54 is a rod-like structure that is parallel to the output shaft 521. One end of the balance bar 54 is connected to the output shaft 521 through a connecting frame, so that the balance bar 54 and the output shaft 521 move synchronously and have the same displacement, and the balance bar 54 is used for balancing the stress of the output shaft 521. Alternatively, the connecting frame and the tool rest 53 are respectively located at both ends of the output shaft 521. Optionally, the balance bar 54 is configured as a cylindrical structure. Optionally, a cylinder body of the hydraulic cylinder is provided with a first guide block and a second guide block, and the balance bar 54 is slidably connected to the first guide block and the second guide block.

Further, the material handle cutting device 50 further comprises a sensing element 55 mounted on the telescopic power mechanism 52 or the mounting frame 51, and the sensing element 55 is used for detecting the movement amount of the balance bar 54. The sensing element 55 detects the movement of the balance bar 54 to determine the expansion and contraction amount of the output shaft 521, and then determines the movement position and the reset position of the tool post 53, so that the cutting condition of the tool post 53 cutting the material shank can be automatically detected. The sensing element 55 includes a first detecting element 551 and a second detecting element 552 mounted to the telescopic power mechanism 52 at an interval, and a first triggering element 553 and a second triggering element 554 mounted to the balance bar 54, wherein the first detecting element 551 and the second detecting element 552 are located between the first triggering element 553 and the second triggering element 554. The first detecting member 551 and the second detecting member 552 may be configured as detecting components such as a hall sensor, a travel switch, and a photoelectric switch, and the first triggering member 553 and the second triggering member 554 are configured as matching triggering structures. The telescopic power mechanism 52 controls the start and stop according to the electric signal output by the sensing element 55 so as to automatically cut the material handle and reset, and the operation effect is good.

In one embodiment, the movable die plate 21 is provided with an avoiding groove, and the output shaft 521 and the tool rest 53 of the telescopic power mechanism 52 are located in the avoiding groove. The movable die plate 21 and the movable die base 22 are folded to form the movable die assembly 20, wherein the movable die plate 21 opens the die relative to the movable die base 22 at one time; after the primary mold opening is completed, the movable mold plate 21 and the movable mold base 22 are synchronously opened relative to the fixed mold assembly 10 to form a secondary mold opening. The output shaft 521 of the telescopic power mechanism 52 is positioned between the movable die holder 22 and the fixed die holder 12, and the tool rest 53 is close to the second movable die 25, so that the telescopic movement distance is reduced, and the cutting efficiency of the material handle is improved. The movable die plate 21 is provided with an avoidance groove, so that the output shaft 521 and the tool rest 53 are positioned in the avoidance groove, and the universality is good.

The telescopic power mechanism 52 is detachably mounted on the mounting frame 51, and the mounting frame 51 is located outside the movable die holder 22. The mounting frame 51 includes a mounting portion 511, and a first supporting portion 512 and a second supporting portion 513 partially protruding from a side wall of the mounting portion 511, the first supporting portion 512 and the second supporting portion 513 protrude toward one side of the movable formwork 21 and are far away from a surface of the movable formwork 21, and a movable groove 514 is formed between the first supporting portion 512 and the second supporting portion 513. The telescopic power mechanism 52 is connected to the mounting portion 511, the first support portion 512, and the second support portion 513, and an output shaft 521 of the telescopic power mechanism 52 is telescopically moved along the movable groove 514.

The first supporting portion 512 and the second supporting portion 513 are protruded out of the mounting portion 511 in a shape of a convex block, so that the supporting and connecting area of the mounting frame 51 to the telescopic power mechanism 52 is enlarged, and the operation stability and the stress reliability of the telescopic power mechanism 52 are improved. The mounting portion 511 is reduced in structural area and is connected to the movable die holder 22. The first support 512 and the second support 513 protrude toward the movable platen 21 to support the telescopic movement of the telescopic power mechanism 52, and thus the structural strength is high.

In one embodiment, as shown in fig. 1, 8-10, the sear device 60 connects the movable platen 21 and the movable mold base 22 to effect secondary mold opening of the movable mold assembly 20 during mold opening relative to the stationary mold assembly 10. Specifically, the locking device 60 includes a guide frame 61 fixedly connected to the movable mold plate 21, a locking frame 62 rotatably connected to the movable mold base 22, an elastic component 63 mounted on the movable mold base 22, and a locking base 64 fixedly connected to the fixed mold component 10. The guide frame 61 and the lock catch frame 62 are rigid structural members, the lock catch frame 62 is rotatably connected to the movable die holder 22, and two ends of the lock catch frame 62 are respectively matched with the guide frame 61 and the locking seat 64 to realize a secondary die opening function. The elastic assembly 63 and the locking seat 64 are respectively located on two sides of the rotation center line of the latch frame 62, and the guide frame 61 and the elastic assembly 63 are respectively located on two sides of the latch frame 62. Specifically, the elastic member 63 and the locking seat 64 are respectively located in the left-right direction of the rotation center line of the latch frame 62, and the guide frame 61 and the elastic member 63 are respectively located in the up-down direction of the latch frame 62, the up-down direction and the left-right direction being based on the relative position of the latch frame 62. The latch frame 62 is driven by the elastic force of the elastic component 63 to rotate towards the direction of the guide frame 61, so that the latch frame 62 and the guide frame 61 are mutually abutted and matched and realize linkage.

When the movable mold assembly 20 and the fixed mold assembly 10 are assembled, one end of the latch frame 62 is elastically abutted to the guide frame 61 under the elastic force of the elastic assembly 63, and the other end of the latch frame 62 is locked with the locking seat 64. When the movable mold assembly 20 and the fixed mold assembly 10 are opened, the guide frame 61 moves with the movable mold plate 21 for a first opening distance until the lock catch frame 62 rotates relative to the movable mold base 22 and releases the locking of the lock base 64.

The guide frame 61 moves along with the movable mold plate 21 for a first mold opening distance, and the locking frame 62 always locks the locking seat 64, so that the movable mold plate 21 and the movable mold seat 22 are directly opened to realize the first mold opening. The guide frame 61 continues to move and drives the lock catch frame 62 to rotate, so that the lock catch frame 62 unlocks the lock seat 64, the movable die holder 22 and the movable die plate 21 synchronously move, secondary die opening of the movable die assembly 20 is realized, and the machining quality of the automotive aluminum casting is good. The matching position between the guide frame 61 and the lock catch frame 62 is positioned on the outer side wall of the mold, so that the adjustment is convenient, and the influence on the volume of the mold is small. Optionally, two groups of the fastening devices 60 are arranged and distributed on the diagonal corners of the movable mold component 20, so that the stress on the mold is balanced and the opening guidance is good.

In an embodiment, the guiding frame 61 includes a guiding portion 611 and a guiding protrusion 612 protruding from the guiding portion 611, the guiding portion 611 and the guiding protrusion 612 form an approximately "L" shape, and the guiding protrusion 612 abuts against the locking frame 62, so that the locking frame 62 is spaced from the guiding portion 611 and slides relatively. Correspondingly, the latch frame 62 includes a latch frame body 621 and a guiding boss 622 protruding from the latch frame body 621, and the latch frame body 621 and the guiding boss 622 form an approximately "L" shaped structure. The guide boss 622 abuts against the guide portion 611, the guide boss 612 abuts against the latch holder 621, and the guide boss 622 and the guide boss 612 are spaced apart from each other to form a space for relative sliding. That is, when the movable mold assembly 20 is clamped to the stationary mold assembly 10, the guide boss 622 and the guide boss 612 are spaced apart by the first mold opening distance. When the movable mold plate 21 drives the guide frame 61 to move, the guide boss 612 approaches the guide boss 622 and moves a first mold opening distance, so that the movable mold plate 21 and the movable mold base 22 are spaced by the first mold opening distance.

Because the elastic component 63 and the guiding boss 622 are oppositely arranged on the latch frame body 621, the latch frame 62 is always kept attached to the guiding frame 61 by the elastic force of the elastic component 63. The movable die plate 21 continues to move to drive the guide frame 61 to move, the guide boss 612 abuts against the guide boss 622, so that the lock catch frame 62 rotates by overcoming the elastic force of the elastic assembly 63, the lock of the lock catch frame 62 on the lock seat 64 is released, secondary die opening can be realized between the movable die assembly 20 and the fixed die assembly 10, the die cavity 31 is opened, the aluminum die casting 70 is taken out, and the die opening effect is good.

In order to improve the smoothness of the fit sliding of the guide frame 61 and the latch frame 62, the facing mating surfaces of the guide boss 622 and the guide boss 612 are optionally configured to be a smooth curved surface structure. Alternatively, the guide boss 622 is provided with an inclined guide surface 623, the guide boss 612 is provided with an inclined guide surface 613, and the guide surface 623 and the guide surface 613 are oppositely disposed and cooperate with each other. The inclined guide surface 623 and the guide surface 613 form a wedged fit sliding, so that the rotation angle and the rotation position of the lock catch frame 62 are effectively controlled, and the precision of the secondary mold opening size is improved.

One end of the latch frame 62 abuts against the guide frame 61 through the guide boss 622, and the other end is locked to the locking seat 64 to constitute a locking structure. Optionally, the other side of the latch frame 62 is connected to the locking seat 64 by plugging, wherein the plugging direction is perpendicular to or intersects with the rotation direction. Optionally, the latch frame 62 is provided with a hook groove 624, the hook groove 624 and the guide boss 622 are oppositely disposed and respectively located at two ends of the latch frame body 621, and the hook groove 624 is hooked on the locking seat 64 when the movable mold assembly 20 and the fixed mold assembly 10 are assembled. The locking seat 64 includes a seat body 641 and a locking part 642 protruding out of the seat body 641, and a gap formed between the locking part 642 and the seat body 641 deviates from a rotation center line of the lock bracket 62. The hook groove 624 is configured as a groove structure, which is buckled to the locking part 642 during rotation to lockingly connect the latch frame 62 to the locking seat 64. The hook groove 624 is shaped to fit the lock 642, so that the hook groove and the lock can be tightly buckled and unlocked. Optionally, the hooking groove 624 includes a hooking portion at a right angle or an obtuse angle and an arc portion at an arc angle or a bending angle, the hooking portion is hooked and connected to the locking portion 642, and the locking portion 642 is sized to fit the hooking groove 624. The locking seat 64 is detachably connected with the fixed mold assembly 10 through the seat body 641 so as to conveniently adjust the matching position of the hook groove 624 and the locking part 642, and the matching position is conveniently adjusted.

Further, when the movable mold assembly 20 and the fixed mold assembly 10 are clamped, the guide boss 612 and the hook groove 624 are located on the same side of the rotation center line of the latch frame 62, and the distance between the guide boss 612 and the rotation center line of the latch frame 62 is greater than or equal to the distance between the center line of the hook groove 624 and the rotation center line of the latch frame 62. The guide boss 612 of the guide frame 61 is located above the hook groove 624 during mold closing to press the latch frame 62 tightly, so that the latch frame 62 is fastened and connected with the locking seat 64, accidental opening of the latch frame 62 is further avoided, and the locking effect is good. The guide boss 612 is spaced from the center of rotation so that the lock seat 64 is located between the guide boss 612 and the center of rotation of the latch bracket 62 to form an interlocking structure. In addition, the guide boss 612 is close to one side of the locking seat 64 in the mold closing position, and the guide boss 622 is located at one end far away from the locking seat 64, so that the overall size of the button machine device 60 is reduced, the first mold opening distance between the guide boss 612 and the guide boss 622 is ensured, and the structure is ingenious.

The latch frame 62 is rotatably connected to the movable mold base 22, so as to further improve the locking reliability of the latch frame 62 and the locking base 64. Optionally, the latch frame 62 further includes a weight portion 625 disposed on the latch frame body 621, the weight portion 625 and the guide boss 622 are disposed at two ends of the latch frame 62, and the weight portion 625 is provided with a weight space for accommodating a weight medium. The weight 625 is away from the center line of rotation of the locker 62 to improve the reliability of locking the locker 62 to the locking seat 64. When the direction of the locking bracket 62 fastened to the locking seat 64 is the same as the gravity direction received by the weight portion 625, the weight of the weight portion 625 is increased to increase the force arm of the weight portion 625 acting on the locking bracket 62, and to improve the locking reliability of the hook groove 624 and the locking seat 64. When the direction of the locking frame 62 fastened to the locking seat 64 is opposite to the gravity direction received by the weight portion 625, the weight of the weight portion 625 is reduced, so that the force arm of the guiding boss 622 far away from one end of the weight portion 625, which acts on the locking frame 62, is increased, and the locking reliability of the hook groove 624 and the locking seat 64 is improved. Wherein, the weight portion 625 is provided as a hollow structure, and the weight medium is provided as particles or solid with different density and weight, such as lead block or other weight-adjusting medium.

Optionally, the elastic component 63 includes an elastic seat 631 fixed to the movable die holder 22 and an elastic member 632 mounted on the elastic seat 631, and the elastic member 632 protrudes from the elastic seat 631 and abuts against the latch frame 62. Wherein the elastic member 632 is provided as a spring. The elastic seat 631 is installed on the movable mold seat 22 to adjust the position and angle of the elastic member 632 abutting against and connected to the latch frame 62. Alternatively, the elastic member 632 is perpendicular to the latch frame 62 when the latch frame 62 is latched to the locking seat 64, so as to increase the elastic force of the elastic member 632 pushing the latch frame 62 to rotate. Optionally, the elastic member 632 abuts against the latch frame 62 and faces away from the guiding boss 622, so that the guiding boss 622 is located in the direction of the elastic force, thereby maintaining the tight fitting connection of the guiding boss 622 and the guiding frame 61. Moreover, the elastic member 632 abuts against the latch bracket 62, and the elastic member 632 is compressed by the abutting action of the guide boss 612 of the guide bracket 61, so that the compression amount of the elastic member 632 is controllable and the compression stability is good.

It should be understood that the above-described embodiments are merely preferred embodiments of the invention and the technical principles applied thereto. It will be understood by those skilled in the art that various modifications, equivalents, changes, and the like can be made to the present invention. However, such variations are within the scope of the invention as long as they do not depart from the spirit of the invention. In addition, certain terms used in the specification and claims of the present application are not limiting, but are used merely for convenience of description.

Claims

1. The aluminum die-casting die for the vehicle comprises a movable die assembly and a fixed die assembly, wherein the movable die assembly and the fixed die assembly are assembled to form a molding deslagging grabbing runner, the molding deslagging grabbing runner is used for molding an aluminum die-casting piece, the movable die assembly comprises a movable die plate, a movable die holder connected to the movable die plate, a first movable die block installed on the movable die plate and a second movable die block installed on the movable die holder, the first movable die block and the second movable die block are folded to form a flow guide channel, and the aluminum die-casting die is characterized in that a pipe body cavity is formed in the molding deslagging grabbing runner and used for molding a grabbing part for grabbing the aluminum die-casting piece, and the fixed die assembly is provided with an ejection mechanism corresponding to the pipe body cavity; the automobile-used aluminium die casting die is still including install in the material handle cutting device of movable mould seat, connect the movable mould seat with the knot of movable mould board is quick-witted device, it is used for driving to detain quick-witted device movable mould seat for the first die sinking of movable mould board motion and drive the movable mould seat with the secondary die sinking of movable mould board joint movement, material handle cutting device is provided with the cutting edge, the water conservancy diversion passageway is located on the flexible removal route of cutting edge, material handle cutting device along being on a parallel with the surface straight line concertina movement of second movable module when a die sinking.

2. The aluminum die-casting mold for the vehicle as recited in claim 1, wherein the locking device comprises a guide frame fixedly connected to the movable mold plate, a locking frame rotatably connected to the movable mold base, an elastic component mounted on the movable mold base, and a locking base fixedly connected to the fixed mold component, the elastic component and the locking base are respectively located on two sides of a rotation center line of the locking frame, the guide frame and the elastic component are respectively located on two sides of the locking frame, and the locking frame is driven by elastic force of the elastic component to rotate towards the guide frame; wherein the content of the first and second substances,

3. The automotive aluminum die-casting die as claimed in claim 2, wherein the guide frame comprises a guide portion and a guide boss protruding from the guide portion, the lock catch frame comprises a lock catch frame body and a guide boss protruding from the lock catch frame body, the guide boss abuts against the guide portion, the guide boss abuts against the lock catch frame body, and the elastic component and the guide boss are oppositely arranged on the lock catch frame body;

4. The aluminum die-casting mold for the vehicle as recited in claim 1, wherein the sear means is provided in two groups and distributed at diagonal corners of the movable mold assembly.

5. The automotive aluminum die-casting die as claimed in claim 1, wherein the material handle cutting device comprises a mounting frame mounted on the movable die holder, a telescopic power mechanism mounted on the mounting frame, and a knife rest fixedly connected to an output shaft of the telescopic power mechanism, the cutting edge is arranged on the knife rest, and the telescopic direction of the telescopic power mechanism is perpendicular to the folding direction of the first movable die block and the second movable die block.

6. The aluminum die casting mold for vehicles as recited in claim 5, wherein the second movable mold block is embedded in the movable mold base, a surface of the second movable mold block is flush with a surface of the movable mold base, the first movable mold block includes a material shank groove recessed from the surface, and a flow guide passage is formed between the material shank groove and the surface of the second movable mold block.

7. The aluminum die casting mold for vehicles as recited in claim 1, wherein the mold slag discharge capture runner includes a cavity, a first expansion region and a second expansion region spaced apart from the cavity, two or more first slag discharge runners and two or more second slag discharge runners connected to the cavity and spaced apart from each other, the two or more first slag discharge runners connect the cavity and the first expansion region, the two or more second slag discharge runners connect the cavity and the second expansion region, the first slag discharge runner, the second slag discharge runner, the first expansion region and the second expansion region correspond to the ejection mechanism, and the pipe body cavity is located in the first expansion region.

8. The automotive aluminum die casting mold according to claim 7, wherein the first deslagging runner is bent to intersect with the first expansion area after being extended radially to the periphery from the cavity.

9. The aluminum die-casting die for the vehicle as recited in claim 7, wherein the first deslagging runner comprises a radiation cavity, a ladle cavity positioned in the radiation cavity, a drainage cavity and an arc cavity for bending and connecting the radiation cavity and the drainage cavity, the sectional area of the ladle cavity is larger than that of the radiation cavity, the radiation cavity is connected with the cavity, the drainage cavity is connected with the first expansion area, and the ejection mechanism corresponds to the arc cavity and the drainage cavity.

10. The aluminum die casting mold for vehicles as recited in claim 7, wherein two or more of the first dross flow passages intersect with the pipe body cavity, and the pipe body cavity protrudes from the first dross flow passages to form a tubular or cylindrical space.