CN217617664U - Die casting die of special-shaped cavity product with large inside and small outside - Google Patents

Abstract

The utility model discloses a die casting die of big-end-up dysmorphism cavity product relates to die casting die technical field, and the product of having solved big-end-up dysmorphism cavity can't be with die casting technology one shot forming, and the course of working is loaded down with trivial details, and product quality is poor, technical problem that production efficiency hangs down. The die comprises a fixed die structure, a movable die structure and a core pulling structure; the core pulling structure is respectively and movably connected with the fixed die structure and the movable die structure; a die cavity can be formed in the fixed die structure and the movable die structure, and the product can be prepared by pouring material water into the die cavity; the core pulling structure comprises a side core pulling structure and a main core pulling structure, and a product can be taken out through the side core pulling structure and the main core pulling structure. The utility model discloses a side position of going structure of loosing core and main position of going structure of loosing core can make the product reach big-end-up's cavity effect and can be smooth take out the product, have simplified operation process, have saved the time, have improved product quality, improve production efficiency when saving raw and other materials.

Description

Die casting die of special-shaped cavity product with large inside and small outside

Technical Field

The utility model relates to a die casting die technical field especially relates to a die casting die of big-end-up dysmorphism cavity product.

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: the molten metal is filled into a cavity of a casting die at a low speed and then at a high speed, and the pressure is transmitted to a special hammer head to perform pressurized forging on the molten metal through mechanical action in the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, and the comprehensive mechanical property of the blank is obviously improved.

No matter the slide of die-casting product mould design structure on the market at present, the principle of sharp business turn over all is adopted to the top to one side, and current product mould is when the demolding, and the process is more loaded down with trivial details, and is inconvenient when taking out, leads to production efficiency to hang down, and the quality is relatively poor.

In realizing the utility model discloses the in-process, utility model people discover to have following problem among the prior art at least:

if a product with a special-shaped cavity with a large inside and a small outside is encountered, the product can not be formed in place by a die-casting process, and if die-casting processing is needed, the product can be formed only by local forming and then additionally processing the redundant part, or a gravity casting mode is adopted, so that the product has poor quality, low efficiency and high production cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die casting die of inside-out big-end-up dysmorphism cavity product to solve among the prior art the product of the inside-out big-end-up dysmorphism cavity that has now can't be with die casting technology one shot forming, the course of working is loaded down with trivial details, and product quality is poor, technical problem that production efficiency hangs down. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a die casting die for a special-shaped cavity product with a large inside and a small outside, which is used for manufacturing die casting products and comprises a fixed die structure, a movable die structure and a core pulling structure; the core pulling structure is respectively and movably connected with the fixed die structure and the movable die structure; the fixed die structure is movably connected with the movable die structure, a die cavity can be formed in the fixed die structure and the movable die structure, and material water can be poured into the die cavity to form a product; the core pulling structure comprises a side core pulling structure and a main core pulling structure, and the side core pulling structure and the main core pulling structure can smoothly take out the product.

Preferably, the side position core pulling structure is provided with a left line position and a right line position, the left line position and the right line position can be respectively abutted against a left limit table and a right limit table which are arranged beside the main line position, and the left line position and the right line position can be respectively folded or separated towards the main line position.

Preferably, the side position core pulling structure is further provided with a left row position guide rail and a right row position guide rail, the left row position guide rail and the right row position guide rail are respectively provided with a left row position fixing seat and a right row position fixing seat, the left row position fixing seat and the right row position fixing seat can respectively move on the left row position guide rail and the right row position guide rail, and can drive the left row position and the right row position to be folded or separated towards the main row position direction.

Preferably, the main slide core pulling structure comprises a core pulling assembly and a moving plate; the core pulling assembly can be abutted to the moving plate, and the moving plate can move synchronously with the core pulling assembly.

Preferably, the main slide core-pulling structure further comprises a core-pulling oil cylinder and an oil cylinder bracket; the core-pulling oil cylinder is respectively fixedly connected with the oil cylinder support and the core-pulling assembly and provides power for the core-pulling assembly during core pulling.

Preferably, the fixed die structure is provided with a fixed die frame and a fixed die core, and the fixed die frame is provided with a slide groove; the line position grooves are arranged on two sides of the fixed die frame; the length of the line groove is 10mm-500mm, the width is 10mm-300mm, and the depth is 1mm-150mm; the fixed die frame is also provided with a die core groove, and the fixed die core is fixedly arranged in the die core groove; the length of the die core groove in the fixed die frame is 200mm-700mm, the width is 100mm-400mm, and the depth is 30mm-200mm.

Preferably, the fixed die structure is provided with a water conveying hole and a hoisting hole; the hoisting holes are formed in the outer side of the fixed die frame, the water conveying holes are formed in the fixed die core, the number of the water conveying holes is 1-20, the diameter of each water conveying hole is 2mm-20mm, and the length of each water conveying hole is 5mm-200mm.

Preferably, the die-casting die further comprises an inner slide insert and a fixing structure; the inner slide insert can be fixedly connected with the fixed structure, and the main slide core-pulling structure is fixedly connected with the fixed structure; and can drive fixed knot constructs and removes, is convenient for product shaping and taking out.

Preferably, the fixing structure comprises a fixing screw and an installation hanging table, the fixing screw is arranged in the installation hanging table, and the fixing screw and the main slide core pulling structure can synchronously move; the fixing structure comprises a first fixing structure and a second fixing structure, and the first fixing structure and the second fixing structure are arranged in the die cavity in a crossed mode.

Preferably, the inner slide insert is provided with a locking inner tooth; the fixed screw is provided with a pushing outer tooth and a locking outer tooth; the pushing outer teeth; the pushing outer teeth can push the fixing screw rod to move forwards, and the locking outer teeth can be fixed with the locking inner teeth, so that the fixing screw rod and the inner slide insert are locked; the pushing outer teeth are correspondingly provided with a pushing nut and a correcting spring, and the pushing nut and the correcting spring are both sleeved on the fixing screw rod.

Implement the utility model discloses a technical scheme among the above-mentioned technical scheme has following advantage or beneficial effect:

the utility model provides a loose core structure can be with cover half structure and movable mould structure combination back, the inside big outside heterotypic cavity product that the complete production was wanted to can take out the product is complete, simplify operation process, save the time, improve product quality, improve production efficiency when saving raw and other materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in the drawings:

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

fig. 2 is a schematic diagram of the overall structure of the embodiment of the present invention;

fig. 3 is a schematic view illustrating the connection between the movable mold structure and the side core pulling structure according to the embodiment of the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the embodiment of the present invention;

fig. 5 is a schematic diagram illustrating a split of the movable mold structure according to the embodiment of the present invention;

FIG. 6 is a schematic diagram of the fixed mold structure according to the embodiment of the present invention;

fig. 7 is an installation schematic diagram of the main slide core-pulling structure, the fixing structure and the mold cavity in the embodiment of the present invention;

fig. 8 is a first connection schematic diagram of the main slide core pulling structure and the fixing structure of the present invention;

fig. 9 is a schematic exploded view of the fixing structure of the present invention;

fig. 10 is a schematic view of the left inner slide insert of the present invention being detached from the first fixing structure;

FIG. 11 is a schematic view of a fixing screw of the fixing structure of the present invention;

fig. 12 is a second connection schematic diagram of the main slide core pulling structure and the fixing structure of the present invention.

In the figure: 1. a fixed die structure; 11. fixing a mould frame; 111. hoisting holes; 12. fixing a mold core; 121. a water conveying hole; 122. an exhaust hole; 13. a mold core groove; 14. a positioning groove; 15. a material nozzle; 16. a mould cavity is formed; 2. a movable mould structure; 21. a movable mold core; 22. closing the die guide post; 23. positioning the bump; 24. slag ladle; 25. a slag discharge transition section; 26. a parallel slag discharge port; 3. a side core pulling structure; 31. a line groove; 311. A left slide groove; 312. a right slide groove; 32. a left column bit; 321. a left travel guide rail; 322. a left slide fixing seat; 33. a right row bit; 331. a right travel guide rail; 332. a right slide holder; 34. an inclined guide post; 4. a main slide core-pulling structure; 41. a core pulling assembly; 42. a sports board; 43. a core-pulling guide rail; 44. A core-pulling oil cylinder; 45. a cylinder support; 46. a connecting rod; 5. an inner slide insert; 51. the left inner slide insert; 52. the right inner slide insert; 6. a first fixed structure; 61. a first fixing screw; 611. pushing the outer teeth; 612. locking the outer teeth; 613. pushing the nut; 614. a screw limiting table; 615. a correction spring; 62. a first mounting hanging table; 63. a first tunnel connection block; 64. a first motor bracket; 641. a photoelectric sensor; 642. a first set of photosensors; 643. a second set of photosensors; 644. a heat insulation block; 645. a limiting block; 646. a motor connecting block; 65. a first transmission; 66. a first motor; 67. A first mobile link; 68. a first drive link; 7. a second fixed structure; 71. a second fixing screw; 72. a second mounting hanging table; 73. a second tunnel connecting block; 74. a second motor support; 75. A second transmission; 76. a second motor; 77. a second mobile link; 78. a second drive link; 8. a main column bit; 81. a left limit table; 82. and a right limit station.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, various exemplary embodiments to be described below will refer to the accompanying drawings, which form a part hereof, and in which are described various exemplary embodiments that may be employed to implement the present invention. The same numbers in different drawings identify the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. It is to be understood that they are merely examples of processes, methods, apparatus, etc., consistent with certain aspects of the present disclosure, as detailed in the appended claims, and that other embodiments may be used or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present disclosure.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," and the like are used in the orientations and positional relationships illustrated in the accompanying drawings for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the elements so referred to must have a particular orientation, be constructed and operated in a particular orientation. The terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The term "plurality" means two or more. The terms "connected" and "coupled" are to be construed broadly and may include, for example, a fixed connection, a removable connection, an integral connection, a mechanical connection, an electrical connection, a communicative connection, a direct connection, an indirect connection via intermediate media, and may include, for example, a connection between two elements or an interaction between two elements. The term "and/or" includes any and all combinations of one or more of the associated listed items. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In order to explain the technical solution of the present invention, the following description is made by way of specific embodiments, and only the portions related to the embodiments of the present invention are shown.

Example (b):

as shown in fig. 1-12, the utility model provides a die casting mold for a special-shaped cavity product with a large inside and a small outside, which is used for manufacturing die casting products and comprises a fixed mold structure 1, a movable mold structure 2 and a core pulling structure; the core pulling structure is respectively and movably connected with the fixed die structure 1 and the movable die structure 2; the fixed die structure 1 is movably connected with the movable die structure 2, a die cavity can be formed inside the fixed die structure 1 and the movable die structure 2, and material water can be poured into the die cavity to be made into a product; the core pulling structure comprises a side core pulling structure 3 and a main core pulling structure 4, and the side core pulling structure 3 and the main core pulling structure 4 can take out the mold. Specifically, the fixed die structure 1 and the movable die structure 2 are detachably connected; the fixed die structure 1 comprises a fixed die frame 11 and a fixed die core 12, and the fixed die core 12 is fixed in the fixed die frame 11; the movable mold structure 2 comprises a movable mold core 21, the movable mold core 21 and the fixed mold core 12 are fixedly connected to form a mold cavity, and a product can be manufactured by pouring material water into the mold cavity. Specifically, positioning convex blocks 23 are arranged around the movable mold core 21, positioning grooves 14 are arranged around the fixed mold core 12, the positioning grooves 14 on the fixed mold core 12 can be matched with the positioning convex blocks 23 on the movable mold core 21, and after the fixed mold core is fixedly connected with the movable mold core 21 through screws, a complete mold cavity can be formed inside the fixed mold core 12 and the movable mold core 21, a material nozzle 15 is further arranged on the fixed mold structure 1, the material nozzle 15 is arranged on the fixed mold frame 11, and material water can enter the fixed mold core 12 and the movable mold core 21 from the material nozzle 15 on the fixed mold frame 11 to form a mold inside the fixed mold core 12 and the movable mold core 21. Specifically, the combination of the side core pulling structure 3 and the main core pulling structure 4 can effectively form a product, and the product can be taken out at one time, so that the time for manufacturing the mold is saved, and the production efficiency is improved. The utility model provides a loose core structure can the complete beautiful efficient die-casting shaping of big-end-up abnormal shape cavity product and take out smoothly under the cooperation with cover half structure 1 and movable mould structure 2, simplified operation process, save time, improve product quality, improve production efficiency when saving raw and other materials.

As an alternative embodiment, as shown in fig. 3, the side core pulling structure 3 is provided with a left row position 32 and a right row position 33, the left row position 32 and the right row position 33 can be respectively abutted against a left limit table 81 and a right limit table 82 which are provided beside the main row position, and the left row position 32 and the right row position 33 are respectively folded toward or separated from the main row position 8. Specifically, the left-going position 32 and the right-going position 33 are respectively separated towards the opposite direction of the main-going position 8 to facilitate installation of the inner-going position insert 1, and folded towards the main-going position 8 to form a mold cavity identical to a target product with other components, and after die-casting molding, the left-going position 32 and the right-going position 33 can respectively move outwards and separate from the product to facilitate taking out of the die-cast product and installation of the inner-going position insert 1. The quantity of going the position is 1-5, and the position 32 of going left, the position 33 of going right set up respectively on the position recess 311 of going left, the position recess 312 of going right to can go on moving on the position recess 311 of going left, the position recess 312 of going right, the utility model discloses both sides are concavo-convex about on the well mould, and the position 32 of going left and the position 33 of going right can carry out accurate side after the product shaping and loose core, have guaranteed the integrality of product when taking out and the convenience of interior position mold insert 1 installation.

As an optional embodiment, as shown in fig. 3, a left row guide rail 321 and a right row guide rail 331 are further disposed on the side core pulling structure 3, a left row fixing seat 322 and a right row fixing seat 332 are respectively disposed on the left row guide rail 321 and the right row guide rail 331, the left row guide rail 321 and the right row guide rail 331 are respectively two, and the left row fixing seat 322 and the right row fixing seat 332 can respectively move on the left row guide rail 321 and the right row guide rail 331 and can drive the left row position 32 and the right row position 33 to close or separate toward the main row position 8. Specifically, the left row bit 32 and the right row bit 33 are arranged at the left side and the right side of the mold cavity, the left row bit 32 and the right row bit 33 are arranged on the left row bit groove 311 and the right row bit groove 312 and can move on the left row bit groove 311 and the right row bit groove 312, and the left row bit 32 and the right row bit 33 can move to a position 20-300mm away from the main row bit. The side edges of the left row 32 and the right row 33 are provided with a left row fixing seat 322 and a right row fixing seat 332, the left row fixing seat 322 and the right row fixing seat 332 are respectively arranged on the left row guide rail 321 and the right row guide rail 331, the left row fixing seat 322 and the right row fixing seat 332 can move on the left row guide rail 321 and the right row guide rail 331, and meanwhile, the left row guide rail 321 and the right row guide rail 331 can limit the movement stroke and the track of the left row fixing seat 322 and the right row fixing seat 332. In addition, the left-going position fixing seat 322 and the right-going position fixing seat 332 are further provided with an inclined guide post 34, the inclined guide post 34 can drive the left-going position fixing seat 322, the right-going position fixing seat 332, the left-going position 32 and the right-going position 33 to move, the left-going position 32 and the right-going position 33 can perform core pulling from the side surface of the mold, and the completeness of the inner-going position insert 1 during smooth installation and product detachment can be guaranteed.

As an alternative embodiment, as shown in fig. 4-6, the fixed mold structure 1 is provided with a fixed mold frame 11 and a fixed mold core 12, and the fixed mold frame 11 is provided with a slide groove 31; the slide grooves 31 are arranged on two sides of the fixed mold frame 11; the length of the line groove 31 is 10mm-500mm, the width is 10mm-300mm, and the depth is 1mm-150mm. In addition, the fixed mold frame 11 is further provided with an exhaust hole 122, the exhaust hole 122 is arranged at the front end of the mold (if the product is a hand mold, the exhaust hole 122 is arranged in the fingertip direction of the hand mold), and the exhaust hole 122 can exhaust air in the mold cavity and can also exhaust various gases and impurities generated in the heating process when the material water is poured. Specifically, the row groove 31 is divided into a left row groove 311 and a right row groove 312, the left row groove 311 and the right row groove 312 are used for placing the left row 32 and the right row 33, the left row 32 and the right row 33 are different in size, so that the left row groove 311 and the right row groove 312 are also different in size, but the left row 32 and the right row 33 are matched with the left row groove 311 and the right row groove 312 in size and shape, the left row 32 and the right row 33 can move in the left row groove 311 and the right row groove 312, and meanwhile, the left row groove 311 and the right row groove 312 can limit the moving range of the left row 32 and the right row 33.

As an alternative embodiment, as shown in fig. 5, the fixed mold frame 11 is provided with a mold core groove 13, the mold core groove 13 is used for placing the movable mold core 21 and the fixed mold core 12, the mold core groove 13 in the fixed mold frame 11 has a length of 200mm to 700mm, a width of 100mm to 400mm, and a depth of 30mm to 200mm. Specifically, the mold core groove 13 is mainly used for placing the fixed mold core 12 and the movable mold core 21, the size of the mold core groove 13 is matched with that of the fixed mold core 12, and the fixed connection (the fixed connection mode is the screw connection) can be carried out, so that the movable mold core 21 and the fixed mold core 12 can be firmly attached, and the error of the product during molding is reduced.

As an alternative embodiment, as shown in fig. 5 to 6, the fixed mold structure 1 is provided with a water conveying hole 121 and a hoisting hole 111; the hoisting hole 111 is arranged on the outer side of the fixed die frame 11, and the hoisting hole 111 is used for hoisting a die; the water transport holes 121 are formed in the fixed mold core 12 and the movable mold core 21, media in the water transport holes 121 can exchange heat with materials (mold core materials) required when products are manufactured, and the water transport holes 121 can heat or cool the mold core materials; the number of the water transporting holes 121 is 1-20, the diameter is 2mm-20mm, and the length of each water transporting hole is 5mm-200mm. Specifically, fortune water hole 121 sets up in the inside of cover half core 12 and movable mould core 21, the utility model discloses well fortune water hole 121 is inside preferably to set up to heating tube or hot medium, mainly guarantees through the mode of heating that mold core and material water keep at the molten state, the reason that sets up heating tube or hot medium is that the heat that heating tube and hot medium produced can carry out the heat exchange with the material water through heating the mold core, guarantees that the material water gets into inside back material water of die cavity and still the hot mobile state, prevents that the material water cooling from leading to having defect or incomplete when the mould forms too fast, can reduce cost, save raw and other materials, improve work efficiency.

As an alternative embodiment, as shown in fig. 6, the fixed mold core 12 and the movable mold core 21 are provided with a slag ladle 24, a slag discharging transition section 25 and a parallel slag discharging port 26 (marked on the movable mold core). The slag ladle 24, the slag discharge transition section 25 and the parallel slag discharge port 26 are all used for discharging slag or waste materials, and the slag ladle 24 can transition oxidizing slag in feed water, so that the quality of finished products can be effectively improved. Specifically, the number of the slag ladles 24 is 2-10, each slag ladle 24 is 1mm-50mm long, 1mm-50mm wide and 1mm-50mm deep, the distance from the die to the slag ladle 24 is 1-6mm long, 1-10mm wide and 0.2-5mm thick, and the angle from the parallel slag discharge port 26 to the transition section of the slag ladle 24 is 90-180 degrees.

In an alternative embodiment, the movable mold structure 2 is further provided with a mold clamping guide post 22, and the mold clamping guide post 22 plays a guiding role when the movable mold core 21 and the fixed mold core 12 are combined. The separation and combination of the movable mold structure 2 and the movable mold structure 2 are realized under the action of the mold closing guide post 22, the fixed mold structure 1 needs to be opened or closed frequently in the working process of manufacturing the mold, the movable mold structure 2 and the fixed mold structure 1 can be opened and closed by the mold closing guide post 22, the mold closing guide post 22 is pulled forwards or backwards, the movement can be normally operated, the contact position of the movable mold core 21 and the fixed mold core 12 during opening and closing is ensured to be correct, and the position of the mold cavity is correctly matched when the movable mold core 21 and the fixed mold core 12 are closed. In addition, the fixed die structure 1 is further provided with a die setting groove 16, and the die setting groove 16 is arranged on the side edge of the fixed die frame 11 and used for locking the die when the die is mounted on the machine table.

As an alternative embodiment, as shown in fig. 7, the main slide core-pulling structure 4 includes a core-pulling assembly 41 and a moving plate 42; the core back assembly 41 can abut against the moving plate 42, and the moving plate 42 can move in synchronization with the core back assembly 41. Specifically, the main slide core-pulling structure 4 is further provided with two core-pulling guide rails 43, the two core-pulling guide rails 43 are arranged, the moving plate 42 is slidably connected with the core-pulling guide rails 43 and can slide on the core-pulling guide rails 43, the moving plate 42 can move on the core-pulling guide rails 43 under the action of the core-pulling oil cylinder 44 and the core-pulling assembly 41, and the moving position of the moving plate 42 is limited by the core-pulling guide rails 43.

As an alternative embodiment, as shown in fig. 7, the main slide core-pulling structure 4 further includes a core-pulling cylinder 44 and a cylinder bracket 45; the core-pulling oil cylinder 44 is fixedly connected with the oil cylinder bracket 45, and the core-pulling oil cylinder 44 is fixedly connected with the core-pulling assembly 41 and provides power for the core-pulling assembly 41. Specifically, the oil cylinder support 45 is set to be U-shaped, the core-pulling oil cylinder 44 is arranged on the oil cylinder support 45, the core-pulling guide rail 43 is also fixedly connected with the oil cylinder support 45, and the core-pulling assembly 41 and the moving plate 42 are arranged inside a frame body of the oil cylinder support 45, so that the occupied space of the main slide core-pulling structure 4 can be saved. In addition, the core pulling oil cylinder 44 serves as a moving part on the main slide core pulling structure 4 and can drive the core pulling assembly 41 and the moving plate 42 to move, the core pulling oil cylinder 44 is connected with the core pulling assembly 41 through a connecting rod 46, the connecting rod 46 is fixedly connected with the moving plate 42 on the core pulling assembly 41, force transmission is achieved through the connecting rod 46, and the oil cylinder support 45 is fixedly connected with the fixed mold structure 1 in a screw connection mode. The utility model discloses the mould that will make is the chamber mould of going deeply, uses main position structure 4 of loosing core to come the back of loosing core to the chamber position of going deeply, carries out the die sinking again and just can improve the qualification rate of product, reduces the cost, improves production efficiency.

As an alternative embodiment, as shown in fig. 8-12, the die casting mold further includes a slide insert 5 and a fixing structure; the inner slide insert 5 can be fixedly connected with the fixed structure; the main slide core pulling structure is fixedly connected with the fixed structure and can drive the fixed structure to move, so that the product is convenient to mold and take out. Specifically, the inner-row insert 5 is divided into a left inner-row insert 51 and a right inner-row insert 52, the fixing structures are divided into a first fixing structure 6 and a second fixing structure 7, the first fixing structure 6 and the second fixing structure 7 are respectively provided with a first fixing screw 61 and a second fixing screw 71, a first tunnel connecting block 63 and a second tunnel connecting block 73, a first mounting hanging table 62 and a second mounting hanging table 72, a first motor support 64 and a second motor support 74; the movable connecting parts are divided into a first movable connecting part 67 and a second movable connecting part 77, the first movable connecting part 67 and the second movable connecting part 77 are arranged on the left side and the right side of the core pulling assembly, the first movable connecting part 67 and the second movable connecting part 77 are respectively fixedly connected with a first tunnel connecting block 63 and a second tunnel connecting block 73 arranged on a first fixed structure 6 and a second fixed structure 7, a first mounting hanging table 62, a second mounting hanging table 72, a first motor support 64 and a second motor support 74 are respectively connected with the first tunnel connecting block 63 and the second tunnel connecting block 73, therefore, when the main slide core pulling structure acts, the left inner slide insert 51 and the right inner slide insert 52 can be separated or connected with the main slide 8 through the telescopic motion of the first movable connecting part 67 and the second movable connecting part 77, the first fixed screw 61 and the second fixed screw 71, the main slide 8 can enter or exit from a product cavity, the product can be completely molded, the product can be completely core pulled out, the product can be completely taken out, the inner slide insert molded in the product 52 can be further separated or connected with the main slide 8, and the production cost can be improved.

As an alternative embodiment, as shown in fig. 9 to 10, the fixing structure includes a fixing screw and an installation hanging table, the fixing screw is disposed inside the installation hanging table, the tunnel connection block, and the motor bracket, and the fixing screw and the main slide core-pulling structure can move synchronously; the fixing structure comprises a first fixing structure 6 and a second fixing structure 7, and the first fixing structure 6 and the second fixing structure 7 are arranged in a crossed mode inside the mold cavity. As shown in fig. 11, the inner slide insert 5 is provided with a locking inner tooth (not shown); the first fixing screw 61 and the second fixing screw 71 are respectively provided with an outer pushing tooth 611 and an outer locking tooth 612; the pushing outer teeth 611 can push the first fixing screw 61 and the second fixing screw 71 to move forwards, the locking outer teeth 612 can be fixed (engaged and fixed) with the locking inner teeth, and the left inner slide insert 51, the right inner slide insert 52 and the main slide 8 are locked by the first fixing screw 61 and the second fixing screw 71; the pushing outer teeth 611 are correspondingly provided with a pushing nut 613 and a calibration spring 615, and the pushing nut 613 and the calibration spring 615 are both sleeved on the fixing screw rod. Specifically, be equipped with on the propulsion nut 613 with promote outer tooth 611 corresponding promotion in tooth (not shown in the figure), tooth combined action under promoting outer tooth 611 and promoting, tooth makes clamping screw and interior capable position mold insert 5 fixed connection in the locking outer tooth 612 and the locking, in addition, also can not use the propulsion nut 613, directly will impel in the tooth sets up in tunnel connection piece, installation hanging platform or motor support, as long as can with the clamping screw on the promotion outer tooth 611 corresponding can, but the utility model discloses in preferably advance the propulsion nut 613. The push nut 613 and the aligning spring 615 can abut against each other, the push nut 613 can push the fixing screw forward, and the aligning spring 615 can align the position of the push nut 613 and engage with the push outer teeth 611, so that the fixing screw can be better connected to the inner slide insert 5. Specifically, the first fixing screw 61 and the second fixing screw 71 have the same design concept and principle, and only have some differences in the partial distance dimension. The locking outer teeth 612 of the fixing screw are arranged at the front end of the fixing screw and used for being fixedly connected with the inner slide insert 5 and locking. In addition, the fixing structure is further provided with an installation hanging table, the fixing screw is arranged inside the installation hanging table, the tunnel connecting block and the motor support, the fixing structure is connected with the main walking position core-pulling structure through a movable connecting piece arranged on the core-pulling assembly and can move back and forth under the action of the core-pulling oil cylinder, when the installation hanging table protrudes to a certain position, an operator can manually install the inner walking position insert 5 on the installation hanging table, a signal is given to a PLC (mold control system) after installation is finished, the PLC control motor rotates, namely the motor drives the fixing screw to rotate, the outer teeth 611 are pushed to move forward by pushing at the moment, and the outer locking teeth 612 arranged on the fixing screw can be connected with the inner walking position insert 5 and locked. Specifically, a screw rod stopping table (not shown in the figure) is arranged inside the mounting hanging table, a screw rod limiting table 614 is arranged on the fixing screw rod, and the screw rod stopping table can be attached to the screw rod limiting table 614 and limits the screw rod limiting table 614. When the mounting hanging table is mounted on the inner slide insert 5, the pushing outer teeth 611 on the fixing screw move forwards, when the screw limiting table 614 moves to the screw stopping table, the screw stopping table limits the screw limiting table 614, and the fixing screw continuously rotates to lock the inner slide insert 5. Specifically, the length of the pushing outer tooth 611 on the fixing screw is less than or equal to two thirds of the locking outer tooth 612 on the fixing screw; more specifically, when the inner slide insert 5 is locked, the pushing outer teeth 611 cannot be arranged in the pushing nut 613; the distance between the pushing outer tooth 611 and the screw stop table on the fixing screw is longer than the distance between the locking outer tooth 612 and the pushing outer tooth 611 on the fixing screw by the length of the pushing outer tooth 611, so that the fixing screw can better move forward and backward, the inner slide insert 5 can be locked or loosened, and the mold can be conveniently taken out subsequently.

As an alternative embodiment, as shown in fig. 9 to 10, the fixing structure further includes a tunnel connection block and a motor bracket, and the motor bracket can be fixedly connected with the tunnel connection block; the fixing structure also comprises a motor and a speed changer, the motor and the speed changer are fixedly connected with the motor bracket, the motor can provide power for the fixing screw rod when being locked, and the speed changer can convert the output speed of the motor; the pushing nut 613 and the correcting spring 615 are arranged in the tunnel connecting block, the correcting spring 615 is sleeved at the top end of the connecting part of the motor bracket and the tunnel connecting block, and the maximum outer diameter of the screw rod which fixes the pushing outer tooth 611 on the screw rod to the motor bracket is not larger than the minimum outer diameter of the screw tooth. In particular, the motor may be, but is not limited to, a servo motor, a transmission motor, and a stepping motor. The fixing structure is further provided with a heat insulation plate and a motor connecting block 646, the motor is fixedly connected with the transmission, a heat insulation block 644 is arranged between the transmission and the motor connecting block 646, heat is isolated through the heat insulation block 644, and the motor connecting block 646 is directly fixedly connected with the motor support and used for fixing the motor and the transmission. Specifically, a transmission connecting rod is further disposed inside the motor connecting block 646, and the transmission connecting rod is movably connected with the fixing screw (for a rivet joint), and is hidden inside the motor connecting block 646. Specifically, the transmission connecting rod comprises a first transmission connecting rod 68 and a second transmission connecting rod 78, the transmission comprises a first transmission 65 and a second transmission 75, the first transmission 65 is fixedly connected with the first motor 66, and the second transmission 75 is fixedly connected with the second motor 76. The tunnel connecting block is provided with a motor support, and the fixing structure is fixedly connected with the main slide core-pulling structure through a first movable connecting piece 67 and a second movable connecting piece 77. Concretely, tunnel connection piece and installation string platform fixed connection, after the manual work is installed interior capable position mold insert 5 to installation string platform, press the signal key and give the signal, the motor begins to move, it is fixed with main capable position 8 to make interior capable position mold insert 5, guarantee when inside the feed water of irritating fixed screw and the accurate of interior capable position mold insert 5 fixed, prevent to cause the influence because the dislocation to the formation of product, carry out the compound die action after interior capable position mold insert 5 is fixed, carry out the injection action to the inside feed water of irritating of mould cavity after fixed mode structure 1 and movable mould structure 2 lock, just can make the product inside the mould cavity.

As an alternative embodiment, as shown in fig. 10, a motor bracket is provided with a limit block 645 and a photoelectric sensor 641, and any one of a contact switch and a travel switch; stopper 645 sets up at the motor support inboard, and photoelectric sensing ware 641 sets up in the motor support outside, and photoelectric sensing ware 641 can transmit the signal and give PLC. Specifically, the utility model discloses selected photoelectric sensing ware 641 in photoelectric sensing ware 641, contact switch or travel switch three kinds, made photoelectric sensing ware 641 and stopper 645 cooperate and transmit the signal, stopper 645 is in the utility model discloses well preferred is the piece that is in the light. Specifically, photoelectric sensing ware 641 is provided with a plurality ofly (in the utility model discloses preferably 4), and photoelectric sensing ware 641 is when being connected with the motor support, is provided with the heat insulating sheet (not shown in the figure) on the connection position, and the heat transfer that the heat insulating sheet of setting can be on the separation motor support gives photoelectric sensing ware 641, avoids photoelectric sensing ware 641 overheated and leads to the damage. The specific working process of the limiting block 645 and the photoelectric sensor 641 is as follows: because the position distance between the stop block 645 and the locking outer tooth 612 is calculated during design, and the stop block 645 is fixed on the fixing screw, when the screw stop table 614 is tightly attached to the screw stop table, light of the first set of photoelectric sensors 642 is blocked by the stop block 645, at this time, the first set of photoelectric sensors 642 gives a signal to the PLC, when the PLC receives the signal, the power supply of the motor is cut off in a delayed manner (which may not be delayed, specifically determined according to actual use requirements), at this time, the motor stops working, and the fixing screw is locked with the inner positioning insert 5. Also so when the clamping screw withdraws from, can make clamping screw outwards withdraw from when the motor reverse motion, block the infrared light when stopper 645 withdraws from the position of second group photoelectric sensing ware 643, then PLC will cut off the motor power after receiving the signal, clamping screw stop motion this moment, the screw withdraws from and targets in place. It should be noted that the distance between the screw stop platforms arranged on the tunnel connection block is the same as the distance between the two sets of photoelectric sensors 641, and the position where the stop block 645 is installed is the position corresponding to the infrared light after the inner slide insert 5 is locked with the main slide 8. The switching of the power supply is realized through the transmission of signals, the automation operation is realized to a certain extent, and the production efficiency is improved.

The embodiment is only a specific example, and does not indicate that the present invention has only such an implementation.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (10)

1. A die-casting die for a product with a special-shaped cavity with a large inner part and a small outer part is characterized by being used for manufacturing a die-casting product and comprising a fixed die structure (1), a movable die structure (2) and a core-pulling structure; the core pulling structure is respectively and movably connected with the fixed die structure (1) and the movable die structure (2); the fixed die structure (1) is movably connected with the movable die structure (2), a die cavity can be formed in the fixed die structure (1) and the movable die structure (2), and material pouring water can be poured into the die cavity to form a product; the side core pulling structure comprises a side core pulling structure (3) and a main core pulling structure (4), and the side core pulling structure (3) and the main core pulling structure (4) can smoothly take out a product.

2. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside according to claim 1 is characterized in that a left traveling position (32) and a right traveling position (33) are arranged on the side core pulling structure (3), the left traveling position (32) and the right traveling position (33) can be respectively abutted to a left limiting table (81) and a right limiting table (82) which are arranged beside the main traveling position, and the left traveling position (32) and the right traveling position (33) can be respectively folded or separated towards the main traveling position (8).

3. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside according to claim 1, wherein a left row guide rail (321) and a right row guide rail (331) are further arranged on the side core pulling structure (3), a left row fixing seat (322) and a right row fixing seat (332) are respectively arranged on the left row guide rail (321) and the right row guide rail (331), and the left row fixing seat (322) and the right row fixing seat (332) can respectively move on the left row guide rail (321) and the right row guide rail (331) and can drive the left row (32) and the right row (33) to be closed or separated towards the main row (8).

4. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 1, wherein the main slide core-pulling structure (4) comprises a core-pulling assembly (41) and a moving plate (42); the core pulling assembly can be abutted against a moving plate (42), and the moving plate (42) can move synchronously with the core pulling assembly.

5. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 4, wherein the main slide core-pulling structure (4) further comprises a core-pulling oil cylinder (44) and an oil cylinder bracket (45); the core-pulling oil cylinder (44) is fixedly connected with the oil cylinder support (45) and the core-pulling assembly (41) respectively and provides power for the core-pulling assembly (41) during core pulling.

6. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 1, wherein a fixed die frame (11) and a fixed die core (12) are arranged on the fixed die structure (1), and a slide groove (31) is arranged on the fixed die frame (11); the slide grooves (31) are arranged on two sides of the fixed die frame (11); the length of the slide groove (31) is 10mm-500mm, the width is 10mm-300mm, and the depth is 1mm-150mm;

a mold core groove (13) is also formed in the fixed mold base (11), and the fixed mold core (12) is fixedly arranged in the mold core groove (13); the length of the die core groove (13) in the fixed die frame (11) is 200mm-700mm, the width is 100mm-400mm, and the depth is 30mm-200mm.

7. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 6, wherein the fixed die structure (1) is provided with a water conveying hole (121) and a hoisting hole (111); the hoisting hole (111) is arranged on the outer side of the fixed die frame (11), the water conveying holes (121) are arranged inside the fixed die core (12), the number of the water conveying holes (121) is 1-20, the diameter of each water conveying hole is 2-20 mm, and each water conveying hole is 5-200 mm in length.

8. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 1, characterized by further comprising an inner slide insert (5) and a fixing structure; the inner slide insert (5) can be fixedly connected with the fixed structure, and the main slide core-pulling structure (4) is fixedly connected with the fixed structure; and can drive fixed knot constructs and removes, is convenient for product shaping and taking out.

9. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 8, wherein the fixing structure comprises a fixing screw and an installation hanging table, the fixing screw is arranged inside the installation hanging table, and the fixing screw and the main slide core-pulling structure (4) can move synchronously;

the fixing structure comprises a first fixing structure (6) and a second fixing structure (7), and the first fixing structure (6) and the second fixing structure (7) are arranged in the die cavity in a crossed mode.

10. The die-casting die for the product with the special-shaped cavity with the large inside and the small outside as claimed in claim 9, wherein the inner slide insert (5) is provided with a locking inner tooth; the fixed screw is provided with an outer pushing tooth (611) and an outer locking tooth (612); the pushing outer tooth (611); the pushing outer tooth (611) can push the fixing screw rod to move forwards, and the locking outer tooth (612) can be fixed with the locking inner tooth, so that the fixing screw rod is locked with the inner slide insert (5); the pushing outer teeth (611) are correspondingly provided with a pushing nut (613) and a correcting spring (615), and the pushing nut (613) and the correcting spring (615) are sleeved on the fixing screw rod.

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