CN217346504U - Forming die with hollow out construction - Google Patents
Forming die with hollow out construction Download PDFInfo
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- CN217346504U CN217346504U CN202220936126.XU CN202220936126U CN217346504U CN 217346504 U CN217346504 U CN 217346504U CN 202220936126 U CN202220936126 U CN 202220936126U CN 217346504 U CN217346504 U CN 217346504U
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Abstract
The utility model discloses a forming mould with a hollow structure, which comprises a first mould and a second mould; a multilayer hollow structure is arranged inside the first die; the second die comprises an upper die assembly, a lower die assembly, a middle die assembly and a clamping assembly, wherein the shape of the inner side surface of the upper die assembly is consistent with the shape of the automobile part; well inside joint has the joint subassembly go up mould subassembly, inboard surface and auto-parts's side shape unanimous, the clearance that goes up mould subassembly, joint subassembly, well mould subassembly, the inseparable pressfitting one by one of lower mould subassembly forms holds the chamber, the appearance that the chamber was held in the clearance is unanimous with auto-parts's appearance. The utility model discloses an auto-parts is become to first mould, second mould punching press of moulding plastics gradually, and is more accurate in the aspect of details such as appearance profile, size of auto-parts after the shaping, prevents that the middle part from appearing the microbubble, not firm phenomenon.
Description
Technical Field
The utility model relates to a forming die technical field mainly relates to a forming die with hollow out construction.
Background
The existing automobile parts are manufactured only by a group of moulds, one group of moulds only comprises an upper mould and a lower mould, and the moulds are injected by utilizing a gap formed between the upper mould and the lower mould; after having used for a long time, cause easily to be connected insecure, fix a position inaccurate between mould and the lower mould, the position size that the cavity was held in the clearance error appears, causes the product unqualified at last, increases manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an auto-parts appearance is made accurately, the strong forming die who has hollow out construction of bulk rigidity is provided.
The utility model discloses the technical problem that will solve can adopt following technical scheme to realize:
a forming die with a hollow structure is characterized by comprising a first die for one-time injection molding of automobile parts and a second die for secondary shaping of the automobile parts; a multilayer hollow structure is arranged inside the first die; the second die comprises an upper die assembly, a lower die assembly, a middle die assembly and a clamping assembly, wherein the shape of the inner side surface of the upper die assembly is consistent with the shape of the automobile part, the middle die assembly is arranged between the upper die assembly and the lower die assembly, and the clamping assembly is clamped in the middle of the upper die assembly; well inside joint has the joint subassembly go up mould subassembly, inboard surface and auto-parts's side shape unanimous, the clearance that goes up mould subassembly, joint subassembly, well mould subassembly, the inseparable pressfitting one by one of lower mould subassembly forms holds the chamber, the appearance that the chamber was held in the clearance is unanimous with auto-parts's appearance.
In the utility model discloses a preferred embodiment, the first mould includes that inside has double-deck hollow out construction's first mould main part, a plurality of edge the locating piece, a plurality of setting that vertically set up of even interval of length direction in the middle part of the upper surface of first mould main part are in the peripheral location tower in both ends of first mould main part, setting are in the location hook of length direction both ends top of first mould main part.
In a preferred embodiment of the present invention, the upper mold assembly includes an upper mold main body having a hollow structure therein, a pair of long-strip punches disposed at a middle portion of an upper end surface of the upper mold main body, a pair of upper concave cavities disposed at both sides of the long-strip punches in a width direction, upper mounting members disposed at a periphery of the upper mold main body, and upper positioning members disposed in the upper concave cavities;
the clamping component is integrally rectangular and is clamped between the pair of strip male dies; the middle die assembly comprises a middle die main body, a middle positioning piece arranged on the periphery of the middle die main body and a middle long-strip male die arranged in the upper middle part of the middle die main body; the middle long-strip male dies are matched with the lower surfaces of the pair of long-strip male dies and the clamping component, and the middle positioning piece and the upper positioning piece are connected in a matched mode so as to fix the middle die component on the upper die component;
the lower die assembly comprises a lower die main body, a concave die cavity arranged in the middle of the lower die main body, lower mounting pieces arranged on the periphery of the lower die main body and lower positioning pieces arranged in the concave die cavity; the lower positioning piece is connected with the upper positioning piece in a matched mode, the lower mounting piece is connected with the upper mounting piece in a matched mode, and the upper die assembly is fixed on the lower die assembly.
In a preferred embodiment of the present invention, the forming mold further includes a third mold for shaping the auto part three times, the third mold includes a third lower mold component having an upper surface with a shape corresponding to a side surface of the auto part, a third upper mold component, and a third middle mold component disposed between the third upper mold component and the third lower mold component; the upper surface of the third middle die assembly is consistent with the shape of the other side face of the automobile part, the gap accommodating cavities formed by one-to-one tight pressing of the third upper die assembly, the third middle die assembly and the third lower die assembly are consistent with the thickness and the shape of the automobile part.
In a preferred embodiment of the present invention, the third upper die assembly includes a third upper die main body of a slim waist type, a third elongated female die disposed in the middle of the lower end surface of the third upper die main body, a third upper mounting member disposed on the periphery of the third upper die main body, and a plurality of third upper positioning holes disposed on both sides of the third elongated female die in the width direction;
the third middle die assembly comprises a third middle die main body which is integrally cross-shaped and a plurality of third middle positioning columns which are vertically arranged on the third middle die main body; the third middle positioning columns are matched and connected with the third upper positioning holes so as to fix the third middle die assembly on the third upper die assembly;
the third lower die assembly comprises a thin waist-shaped third lower die main body, a third long-strip male die arranged in the middle of the upper end face of the third lower die main body, third concave cavities arranged on two sides of the third long-strip male die in the width direction, and third lower mounting pieces arranged on the periphery of the third lower die main body; and the third lower mounting piece and the third upper mounting piece are mutually connected in a matching manner, so that the third upper die assembly is fixed on the third lower die assembly.
The utility model has the advantages that: a forming die with a hollow structure is characterized in that automobile parts are formed by gradually injection molding and punching through a first die and a second die, the details such as appearance contour, size and the like of the formed automobile parts are more accurate, and the phenomena of small bubbles and incompact in the middle are prevented; the middle part of first mould is provided with double-deck hollow out construction, and the liquid of moulding plastics is outwards flowed to convenient when making auto-parts, even interval, is applicable to the higher auto-parts of total height.
The upper die assembly of the second die is provided with the rectangular clamping assembly in a clamping mode between the pair of strip male dies, so that the lower surface of the upper die assembly is consistent with the appearance of one side face of an automobile part, the situation that the middle of the upper die assembly is worn and collapsed due to long-term use is avoided, the overall rigidity of the upper die assembly is improved, and the appearance manufacturing accuracy of the automobile part is guaranteed.
The third mould holds the chamber through fixing the inboard middle part at the third upper die assembly with the middle mould subassembly in the third earlier, forms a clearance unanimous with auto-parts surface shape between the lower surface of the third middle mould subassembly and the upper surface of third lower mould subassembly again, and the connection between the mould subassembly is more firm.
Drawings
Fig. 1 is a schematic structural diagram of the first mold of the present invention.
Fig. 2 is a schematic structural view of an upper die assembly of the second die of the present invention.
Fig. 3 is a schematic structural diagram of a middle mold assembly and a clamping assembly of the second mold of the present invention.
Fig. 4 is a schematic structural view of a lower die assembly of the second die of the present invention.
Fig. 5 is a schematic structural view of the nitrogen pressure assembly of the second mold of the present invention.
Fig. 6 is a schematic structural view of a third upper die assembly of the third die assembly of the present invention.
Fig. 7 is a schematic structural diagram of a third middle mold assembly and a third clamping assembly of a third mold according to the present invention.
Fig. 8 is a schematic structural view of a third lower die assembly of the third die assembly of the present invention.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficacy of the utility model easy to understand and understand, the utility model is further explained by combining with the specific figure below.
Referring to fig. 1 to 8, a forming mold with a hollowed-out structure is shown, which includes a first mold 100 for one-time injection molding of an automobile part, and a second mold for secondary shaping of the automobile part; a multi-layer hollow structure is arranged inside the first mold 100; the second die comprises an upper die assembly 210 with the shape of the inner side face consistent with the shape of the automobile part, a lower die assembly 230, a middle die assembly 220 arranged between the upper die assembly 210 and the lower die assembly 230, and a clamping assembly 240 clamped in the middle inner part of the upper die assembly 210; the upper die assembly 210 with the clamping assembly 240 clamped inside the middle die assembly is consistent with the side surface shape of the automobile part, the gap accommodating cavities formed by one-to-one tight pressing of the upper die assembly 210, the clamping assembly 240, the middle die assembly 220 and the lower die assembly 230 are consistent with the appearance of the automobile part. The automobile parts are formed by gradually injection molding and stamping through the first mold and the second mold, the appearance contour, the size and other details of the formed automobile parts are more accurate, and the phenomenon that small bubbles and incompact are generated in the middle is prevented.
The first mold 100 includes a first mold body having a double-layer hollow structure inside, a plurality of positioning blocks 110 vertically disposed at even intervals along a length direction of a middle portion of an upper surface of the first mold body, a plurality of positioning towers 120 disposed at peripheries of two ends of the first mold body, and positioning hooks 130 disposed above the two ends of the first mold body in the length direction. The middle part of first mould is provided with double-deck hollow out construction, and the liquid of moulding plastics is outwards flowed to convenient when making auto-parts, even interval, is applicable to the higher auto-parts of total height. The longitudinal section of the positioning block 110 of the first mold is in an isosceles trapezoid shape, and a square positioning hole is formed in the middle of the positioning block 110 along the length direction of the first mold and can be used for hoisting; the positioning tower 120 comprises a square positioning table, a supporting block with a right-angled trapezoid longitudinal section and a positioning column with the lower part erected at the right angle of the supporting block, and the top end of the positioning column inclines outwards; the longitudinal section of the positioning hook 130 is 5-shaped, and the opening is upward.
The upper die assembly 210 includes an upper die main body having a hollow structure inside, a pair of long male dies 211 disposed in the middle of the upper end surface of the upper die main body, a pair of upper concave cavities 212 disposed on both sides in the width direction of the long male dies 211, upper mounting members 213 disposed on the periphery of the upper die main body, and upper positioning members 214 disposed in the upper concave cavities 212. The side surface of the long convex die 211 is in a crescent shape; the upper mounting member 213 is integrally a rectangular parallelepiped block; the upper positioning member 214 includes a rectangular parallelepiped block at the middle, a plurality of triangular supporting blocks disposed at the sides of the rectangular parallelepiped block, discs disposed at both ends of the rectangular parallelepiped block, and a semi-cylinder disposed on the discs.
The clamping assembly 240 is integrally rectangular, the width of the clamping assembly 240 is slightly smaller than the distance between the pair of long male dies 211, and the clamping assembly 240 is clamped between the pair of long male dies 211; a plurality of rectangular fixing members are disposed on two sides of the rectangular body of the clip assembly 240.
The middle mold assembly 220 comprises a middle mold main body, a middle positioning piece 222 arranged on the periphery of the middle mold main body, and a middle long-strip male mold 221 arranged in the upper middle part of the middle mold main body; the middle long-bar punch 221 is matched with the lower surfaces of the pair of long-bar punches 211 and the clamping assembly 240, and the middle positioning piece 222 is matched and connected with the upper positioning piece 214, so that the middle mold assembly 220 is fixed on the upper mold assembly 210. The side surface of the long-strip male die 211 is in an M shape, a plurality of sequentially connected gourd-shaped reinforcing ribs are arranged on the surface of the long-strip male die 211, and a truncated cone is vertically arranged on the reinforcing ribs at the two ends; the middle positioning member 222 includes 4 pairs of high-center columns, short-center columns and short columns symmetrically arranged at the corners.
The lower die assembly 230 comprises a lower die body, a concave die cavity 231 arranged in the middle of the lower die body, a lower mounting piece 232 arranged on the periphery of the lower die body, and a lower positioning piece 233 arranged in the concave die cavity 231; the mating engagement of the lower positioning member 233 with the upper positioning member 214, and the mating engagement of the lower mounting member 232 with the upper mounting member 213, secure the upper die assembly 210 to the lower die assembly 230. The interior of the lower die main body is provided with a layer of hollow structure; the lower mounting piece 232 is a cuboid groove, rectangular sheets are vertically arranged on the outer side edge of the lower mounting piece 232 of the lower die main body, mounting tables are arranged on the outer sides of the lower concave cavity 231 at two ends of the lower die main body in the length direction, the cross sections of the mounting tables are triangular, and the inclined edges are inclined inwards; the lower positioning member 233 includes a plurality of rectangular blocks, a plurality of large cylinders, and a semi-small cylinder vertically disposed on the large cylinders.
The upper die assembly of the second die is provided with the rectangular clamping assembly in a clamping mode between the pair of strip male dies, so that the lower surface of the upper die assembly is consistent with the appearance of one side face of an automobile part, the situation that the middle of the upper die assembly is worn and collapsed due to long-term use is avoided, the overall rigidity of the upper die assembly is improved, and the appearance manufacturing accuracy of the automobile part is guaranteed.
A nitrogen pressure assembly 400 is arranged in a hollow structure inside the upper die assembly 210 or the lower die assembly 230, and the nitrogen pressure assembly 400 is used for keeping the rigidity of the internal structure of the die; the nitrogen pressure assembly 400 comprises a nitrogen mounting plate 410, a plurality of nitrogen cylinders 420 vertically arranged on the nitrogen mounting plate 410 at uniform intervals, and nitrogen pipelines 430 penetrating and connected to the plurality of nitrogen cylinders 420. The number of the nitrogen cylinders 420 is 8, and a pressure cylinder is vertically arranged on the nitrogen mounting plate 410 at the inner sides of the two nitrogen cylinders 420 at the two ends; the other two nitrogen cylinders 420 are provided with a square block at the upper portion therebetween.
The forming die further comprises a third die for shaping the automobile parts for three times, wherein the third die comprises a third lower die assembly 330, a third upper die assembly 310 and a third middle die assembly 320, the upper surface of the third lower die assembly 330 is in the shape consistent with one side surface of the automobile parts, and the third middle die assembly 320 is arranged between the third upper die assembly 310 and the third lower die assembly 330; the upper surface of the third middle die assembly 320 is in accordance with the shape of the other side surface of the automobile part, and the gap accommodating cavities formed by tightly pressing the third upper die assembly 310, the third middle die assembly 320 and the third lower die assembly 330 one by one are in accordance with the thickness and the shape of the automobile part.
The third upper die assembly 310 includes a third upper die body of a slender waist shape, a third long concave die 311 disposed in the middle of the lower end surface of the third upper die body, a third upper mounting member 312 disposed on the periphery of the third upper die body, and a plurality of third upper positioning holes 313 disposed on both sides of the third long concave die 311 in the width direction. A plurality of small cylinders and high blocks are vertically arranged in the third strip-shaped concave die 311; the third upper mounting member 312 is integrally a cylinder; the third upper positioning hole 313 is a cylindrical hole.
The third middle die assembly 320 comprises a third middle die main body which is integrally cross-shaped, and a plurality of third middle positioning columns 321 which are vertically arranged on the third middle die main body; the third middle positioning posts 321 are connected to the third upper positioning holes 313 in a matching manner, so as to fix the third middle mold assembly 320 on the third upper mold assembly 310. The third middle positioning column 321 is a hollow cylinder.
The third lower die assembly 330 includes a third lower die main body of a slim waist type, a third long male die 331 disposed at the middle of the upper end surface of the third lower die main body, third concave cavities disposed at both sides in the width direction of the third long male die 331, and third lower attaching members 332 disposed at the periphery of the third lower die main body; the third lower mounting member 332 and the third upper mounting member 312 are matingly coupled to each other to secure the third upper die assembly 310 to the third lower die assembly 330. The side surface of the third long-strip-shaped male die 331 is shaped like an M, and a plurality of gourd-shaped reinforcing ribs connected in sequence are arranged on the surface of the third long-strip-shaped male die 331; the third lower mounting member 332 is a hollow short cylinder.
A pair of third upper positioning blocks 314 are arranged between the third upper positioning holes 313 of the third upper die main body, and the pair of third upper positioning blocks 314 are arranged at two sides of the middle part of the third strip female die 311; a plurality of third middle positioning holes 322 are longitudinally arranged in the middle of the third middle mold main body in a penetrating manner, and a pair of third upper positioning blocks 314 are respectively inserted into the pair of third middle positioning holes 322 for matching. The third upper positioning block 314 is a rectangular block; the third positioning hole 322 is a block slot. The third mould holds the chamber through fixing the inboard middle part of mould subassembly in the third with the third well mould subassembly earlier, forms a clearance that is unanimous with auto-parts surface shape between the lower surface of mould subassembly and the upper surface of mould subassembly down again and holds the chamber, and the connection between the mould subassembly is more firm.
The third mold further comprises a pair of third clamping components, each of which comprises a pair of third supporting seats 510 arranged at two ends of the third long-strip male mold 331 of the third lower mold component 330 in the length direction, third supporting holes 520 obliquely arranged in the third supporting seats 510 from inside to outside, third clamping seats 530 with U-shaped longitudinal sections, and third clamping columns 540 obliquely arranged in U-shaped grooves of the third clamping seats 530; the third hooking stem 540 is hooked in the third hole 520 of the third supporting seat 530.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents.
Claims (7)
1. A forming die with a hollow structure is characterized by comprising a first die for one-time injection molding of automobile parts and a second die for secondary shaping of the automobile parts; a multilayer hollow structure is arranged inside the first die;
the second die comprises an upper die assembly, a lower die assembly, a middle die assembly and a clamping assembly, wherein the shape of the inner side face of the upper die assembly is consistent with the shape of the automobile part;
well inside joint has the joint subassembly go up mould subassembly, inboard surface and auto-parts's side shape consistent, the clearance that goes up mould subassembly, joint subassembly, well mould subassembly, the inseparable pressfitting one by one of lower mould subassembly forms holds the chamber, the appearance that the clearance held the chamber is consistent with auto-parts's appearance.
2. The forming mold with the hollow structure according to claim 1, wherein the first mold comprises a first mold body with a double-layer hollow structure inside, a plurality of positioning blocks vertically arranged along the length direction of the middle part of the upper surface of the first mold body at regular intervals, a plurality of positioning towers arranged at the periphery of two ends of the first mold body, and positioning hooks arranged above two ends of the first mold body in the length direction.
3. The forming die with the hollow structure as claimed in claim 2, wherein the upper die assembly comprises an upper die main body with the hollow structure inside, a pair of long male dies arranged in the middle of the upper end surface of the upper die main body, a pair of upper concave cavities arranged on both sides of the long male dies in the width direction, upper mounting pieces arranged on the periphery of the upper die main body, and upper positioning pieces arranged in the upper concave cavities;
the clamping assembly is integrally in a cuboid shape and is clamped between the pair of strip male dies; the middle die assembly comprises a middle die main body, a middle positioning piece arranged on the periphery of the middle die main body and a middle long-strip male die arranged in the upper middle part of the middle die main body; the middle long-strip male dies are matched with the lower surfaces of the pair of long-strip male dies and the clamping assembly, and the middle positioning piece and the upper positioning piece are connected in a matched mode so as to fix the middle die assembly on the upper die assembly;
the lower die assembly comprises a lower die main body, a concave die cavity arranged in the middle of the lower die main body, lower mounting pieces arranged on the periphery of the lower die main body and lower positioning pieces arranged in the concave die cavity; lower setting element and last setting element's accordant connection each other, mutually accordant connection between lower installed part and the last installed part, and then will go up the mould subassembly and fix on the lower mould subassembly.
4. The forming die with the hollow structure as claimed in claim 3, wherein a nitrogen gas pressure assembly is arranged in the hollow structure inside the upper die assembly, and the nitrogen gas pressure assembly is used for keeping the rigidity of the internal structure of the die; the nitrogen pressure assembly comprises a nitrogen mounting plate, a plurality of nitrogen cylinders vertically arranged at uniform intervals on the nitrogen mounting plate, and a plurality of nitrogen pipelines penetrating through and connected with the nitrogen cylinders.
5. The forming mold with the hollowed-out structure, according to claim 4, further comprising a third mold for three times shaping the automobile part, wherein the third mold comprises a third lower mold component with an upper surface conforming to a side surface of the automobile part, a third upper mold component, and a third middle mold component arranged between the third upper mold component and the third lower mold component; the upper surface of the third middle die assembly is consistent with the shape of the other side face of the automobile part, the gap accommodating cavities formed by one-to-one tight pressing of the third upper die assembly, the third middle die assembly and the third lower die assembly are consistent with the thickness and the shape of the automobile part.
6. The forming mold with the hollowed-out structure according to claim 5, wherein the third upper mold assembly comprises a third upper mold main body in a slender shape, a third elongated concave mold arranged in the middle of the lower end surface of the third upper mold main body, a third upper mounting member arranged on the periphery of the third upper mold main body, and a plurality of third upper positioning holes arranged on both sides of the third elongated concave mold in the width direction;
the third middle die assembly comprises a third middle die main body which is integrally cross-shaped and a plurality of third middle positioning columns which are vertically arranged on the third middle die main body; the third middle positioning columns are matched and connected with the third upper positioning holes so as to fix the third middle die assembly on the third upper die assembly;
the third lower die assembly comprises a thin waist-shaped third lower die main body, a third long-strip male die arranged in the middle of the upper end face of the third lower die main body, third concave cavities arranged on two sides of the third long-strip male die in the width direction, and third lower mounting pieces arranged on the periphery of the third lower die main body; and the third lower mounting piece and the third upper mounting piece are mutually connected in a matching manner, so that the third upper die assembly is fixed on the third lower die assembly.
7. The forming mold with hollow structure as claimed in claim 6, wherein the third mold further comprises a pair of third clamping members, the third clamping members comprise a pair of third supporting seats disposed at both ends of the third long-strip male mold of the third lower mold member in the length direction, a third supporting hole disposed in the third supporting seat in an inclined manner from inside to outside, a third clamping seat having a u-shaped longitudinal section, and a third clamping post disposed in the u-shaped groove of the third clamping seat in an inclined manner; the third clamping column is clamped in a third supporting hole of the third supporting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936126.XU CN217346504U (en) | 2022-04-21 | 2022-04-21 | Forming die with hollow out construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220936126.XU CN217346504U (en) | 2022-04-21 | 2022-04-21 | Forming die with hollow out construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217346504U true CN217346504U (en) | 2022-09-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220936126.XU Active CN217346504U (en) | 2022-04-21 | 2022-04-21 | Forming die with hollow out construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217346504U (en) |
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2022
- 2022-04-21 CN CN202220936126.XU patent/CN217346504U/en active Active
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