CN218487179U

CN218487179U - Automobile part die-casting die with ejection and demolding functions

Info

Publication number: CN218487179U
Application number: CN202222692965.4U
Authority: CN
Inventors: 王勇杰; 莫伟斌
Original assignee: Kunshan Laijie Colored & Fine Metal Alloy Co ltd
Current assignee: Kunshan Laijie Colored & Fine Metal Alloy Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-02-17
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to an automobile parts die casting die technical field discloses automobile parts die casting die with ejecting drawing of patterns function, the utility model provides a current die casting die great to automobile parts institute's power of exerting when ejecting drawing of patterns, probably lead to automobile parts part to warp and the cracked problem of thimble. The die-casting die for the automobile parts with the ejection demolding function comprises an upper die mechanism and a lower die mechanism, wherein the upper die mechanism comprises supporting rods, four groups of supporting rods are arranged on the supporting rods, the lower die mechanism comprises lower die components arranged at the lower ends of the four groups of supporting rods, a first ejection component and a second ejection component are arranged in the lower die components, the purpose of ejection demolding is achieved through the arrangement of the lower die components, the first ejection component and the second ejection component, the problem that the automobile parts are likely to deform due to one-time ejection is solved, and the problem that ejector pins are likely to break due to too large force or ejection angle deviation is solved.

Description

Automobile part die-casting die with ejection and demolding functions

Technical Field

The utility model relates to an automobile parts die casting die technical field specifically is automobile parts die casting die with ejecting drawing of patterns function.

Background

Because some parts in automobile manufacturing are difficult to form in later period, part of the parts can be manufactured by die-casting, after the manufacturing is finished, in order to take the automobile parts conveniently, the die generally needs to eject and demold the product after the die-casting, when the existing automobile parts die-casting die ejects and demolds, one-step ejection demolding is generally adopted, in order to completely separate the automobile parts from the die, the force applied to the automobile parts is large, the automobile parts can be partially deformed, and therefore loss is caused, and meanwhile, when the automobile parts are ejected, the ejector pins can be broken and damaged due to overlarge force or ejection direction deviation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automobile parts die casting die with ejecting drawing of patterns function, adopt this device to work, thereby solved current automobile parts die casting die when ejecting drawing of patterns, generally all adopt ejecting drawing of patterns once, for breaking away from automobile parts and mould completely, it is great to the power of automobile parts institute, it is partial to warp probably to make automobile parts, thereby cause the loss, simultaneously when ejecting automobile parts, the thimble can be because of too big or the problem of ejecting direction skew fracture damage hard.

In order to achieve the above object, the utility model provides a following technical scheme: automobile parts die casting die with ejecting drawing of patterns function, including last mold mechanism and the lower mold mechanism who sets up at last mold mechanism lower extreme, last mold mechanism includes the bracing piece, and the bracing piece is provided with four groups, four groups bracing piece upper end fixedly connected with fixed plate, the first telescopic cylinder that runs through from top to bottom of fixed plate center fixedly connected with, mould on the first telescopic cylinder lower extreme fixedly connected with, and go up mold and four groups bracing piece swing joint, lower mold mechanism is including setting up four groups bracing piece lower extreme lower mould assembly, and go up mold and lower mould assembly phase-match, the inside ejecting subassembly of first ejecting subassembly and second that is provided with of lower mould assembly.

Preferably, the lower die assembly comprises a lower die fixedly connected to the lower ends of the four groups of support rods, a cavity is formed in the lower die, and a die casting groove is formed in the upper end of the lower die.

Preferably, the lower end of the die-casting groove is fixedly connected with a bottom plate, and the upper ends of two sides of the cavity are fixedly connected with blocking blocks.

Preferably, the upper end of the bottom plate is provided with a plurality of groups of through holes penetrating from top to bottom near the edge, and the center of the bottom plate is provided with an ejection groove penetrating from top to bottom.

Preferably, the first ejection assembly comprises two groups of second telescopic cylinders fixedly connected to the lower end of the inner portion of the cavity, and the two groups of second telescopic cylinders are fixedly connected to supporting plates at the upper ends of the two groups of second telescopic cylinders and are connected with the inner wall of the cavity in a sliding mode.

Preferably, the upper end of the supporting plate is fixedly connected with ejector pins, the ejector pins are provided with multiple groups, and the multiple groups of ejector pins are respectively movably connected with the multiple groups of through holes.

Preferably, the lower end of the bottom plate is fixedly connected with a limiting ring, the limiting ring is provided with a plurality of groups, and the plurality of groups of limiting rings are respectively movably connected with the plurality of groups of thimbles.

Preferably, the second ejection assembly comprises a third telescopic cylinder fixedly connected to the upper end of the supporting plate, and a transmission plate is fixedly connected to the upper end of the third telescopic cylinder.

Preferably, the middle parts of the multiple groups of thimbles are movably connected with the transmission plate, the transmission plate is slidably connected with the inner wall of the cavity, and the upper end of the transmission plate is fixedly connected with a knockout rod.

Preferably, the upper end of the ejector rod penetrates through the bottom plate and is fixedly connected with the ejector block, the ejector block is matched with the ejector groove, the spring is fixedly connected between the bottom plate and the transmission plate, and the spring is sleeved on the outer side of the ejector rod.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides an automobile parts die casting die with ejecting drawing of patterns function through the setting of lower mould subassembly, first ejecting subassembly and the ejecting subassembly of second, has realized the purpose of ejecting drawing of patterns, has solved the problem that adopts once ejecting probably to cause automobile parts to warp to and the thimble can be because of exerting oneself too big or ejecting angular migration cracked problem.

Drawings

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

FIG. 2 is a schematic structural view of the upper mold mechanism of the present invention;

FIG. 3 is a schematic plan view of the lower mold mechanism of the present invention;

FIG. 4 is a schematic plan view of the lower mold assembly structure of the present invention;

fig. 5 is a schematic structural view of the through hole and the ejecting slot of the present invention;

fig. 6 is a schematic plan view of the first and second ejecting assemblies of the present invention.

In the figure: 1. an upper die mechanism; 11. a support bar; 12. a fixing plate; 13. a first telescopic cylinder; 14. an upper die; 2. a lower die mechanism; 21. a lower die assembly; 211. a lower die; 212. a cavity; 213. a die casting groove; 214. a base plate; 215. a blocking block; 216. a through hole; 217. ejecting the groove; 22. a first ejection assembly; 221. a second telescopic cylinder; 222. a support plate; 223. a thimble; 224. a limiting ring; 23. a second ejection assembly; 231. a third telescopic cylinder; 232. a drive plate; 233. ejecting the rod; 234. a top block; 235. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

For a further understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings.

With reference to fig. 1-3, the automobile part die-casting mold with the ejection and demolding function includes an upper mold mechanism 1 and a lower mold mechanism 2 disposed at the lower end of the upper mold mechanism 1, the upper mold mechanism 1 includes support rods 11, and the support rods 11 are provided with four groups, the upper ends of the support rods 11 of the four groups are fixedly connected with a fixing plate 12, the center of the fixing plate 12 is fixedly connected with a first telescopic cylinder 13 penetrating up and down, the lower end of the first telescopic cylinder 13 is fixedly connected with an upper mold 14, the upper mold 14 can move up and down by starting the first telescopic cylinder 13, the upper mold 14 is movably connected with the support rods 11 of the four groups, the support rods 11 of the four groups limit the upper mold 14 to be corresponding to the lower mold assembly 21 when the upper mold 14 descends, the lower mold mechanism 2 includes a lower mold assembly 21 disposed at the lower ends of the support rods 11 of the four groups, the upper mold 14 is matched with the lower mold assembly 21, and a first ejection assembly 22 and a second ejection assembly 23 are disposed inside the lower mold assembly 21.

The present invention will be further described with reference to the following examples.

Example 1:

referring to fig. 4-6, the lower mold assembly 21 includes a lower mold 211 fixedly connected to the lower ends of the four sets of support rods 11, a cavity 212 is formed in the lower mold 211, a casting groove 213 is formed at the upper end of the lower mold 211, a bottom plate 214 is fixedly connected to the lower end of the casting groove 213, the bottom plate 214 separates the cavity 212 and the casting groove 213, a blocking block 215 is fixedly connected to the upper ends of both sides of the cavity 212, the blocking block 215 can limit the ascending space to prevent excessive ejection at one time, a plurality of through holes 216 are formed at the upper end of the bottom plate 214 near the edge, a plurality of sets of through holes 216 are formed in the through holes 216, an ejecting groove 217 is formed in the center of the bottom plate 214, the first ejecting assembly 22 includes two telescopic cylinders 221 fixedly connected to the lower end of the cavity 212, and two sets of the second telescopic cylinders 221 are provided, the upper ends of the two groups of second telescopic cylinders 221 are fixedly connected with a supporting plate 222, the supporting plate 222 is in sliding connection with the inner wall of the cavity 212, the second telescopic cylinders 221 are started to drive the supporting plate 222 to slide up and down in the cavity 212, the upper ends of the supporting plates 222 are fixedly connected with ejector pins 223, the ejector pins 223 are provided with a plurality of groups, the plurality of groups of ejector pins 223 are respectively in movable connection with the plurality of groups of through holes 216, the diameters of the plurality of groups of ejector pins 223 are matched with the inner diameters of the plurality of groups of through holes 216, when the ejector pins are not ejected, the heights of the upper ends of the plurality of groups of ejector pins 223 are the same as the height of the upper surface of the bottom plate 214, the lower end of the bottom plate 214 is fixedly connected with a limiting ring 224, the limiting rings 224 are provided with a plurality of groups, the plurality of groups of limiting rings 224 are respectively in movable connection with the plurality of groups of ejector pins 223, the plurality of groups of limiting rings 224 limit the up and down-moving directions of the plurality of groups of ejector pins 223, and prevent the ejector pins 223 from shifting.

Example 2:

referring to fig. 6, the second ejection assembly 23 includes a third telescopic cylinder 231 fixedly connected to the upper end of the supporting plate 222, a transmission plate 232 is fixedly connected to the upper end of the third telescopic cylinder 231, the middle of the plurality of sets of ejector pins 223 are movably connected to the transmission plate 232, the transmission plate 232 can limit the plurality of sets of ejector pins 223, and the transmission plate 232 is slidably connected to the inner wall of the cavity 212, the third telescopic cylinder 231 is started to drive the transmission plate 232 to slide up and down inside the cavity 212, an ejection rod 233 is fixedly connected to the upper end of the transmission plate 232, the upper end of the ejection rod 233 penetrates through the bottom plate 214 and is fixedly connected to an ejection block 234, the ejection block 234 is fixedly connected to the transmission plate 232 through the ejection rod 233, when the transmission plate 232 moves, the ejection block 234 is driven to move, the ejection block 234 can enlarge the force-bearing area of the automobile component, so as to reduce the impact, and the ejection block 234 is matched with the ejection slot 217, a spring 235 is fixedly connected between the bottom plate 214 and the transmission plate 232, and the spring 235 is sleeved outside the ejection rod 233, and the spring 235 can reduce the impact of the automobile component by the ejection block 234 when the automobile component is ejected.

In summary, the following steps: the utility model discloses an automobile parts die casting die with ejecting drawing of patterns function, start first telescopic cylinder 13, make the upper mold 14 move down, directly supreme mould 14 and the gomphosis of bed die 211, can realize die-casting, can produce the automobile parts who is difficult to the post processing shaping, after the die-casting is accomplished, start third telescopic cylinder 231, stretch out on third telescopic cylinder 231, make driving plate 232 rise, make kicking block 234 also rise, kicking block 234 jack-up automobile parts, spring 235 slows down the impact, it blocks by two sets of piece 215 to block until driving plate 232, restart two sets of second telescopic cylinder 221, second telescopic cylinder 221 drives backup pad 222 and rises, make the thimble 223 of multiunit also rise, it is ejecting with automobile parts until the liftout bar 233 of multiunit, can realize the drawing of patterns, be convenient for take, avoid automobile parts to warp and thimble 223 fracture.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Automobile parts die casting die with ejecting drawing of patterns function, including last mold mechanism (1) and lower mold mechanism (2) of setting at last mold mechanism (1) lower extreme, its characterized in that: go up mold mechanism (1) including bracing piece (11), and bracing piece (11) are provided with four groups, four groups bracing piece (11) upper end fixedly connected with fixed plate (12), first telescopic cylinder (13) that run through from top to bottom fixed plate (12) center fixedly connected with, mould (14) on first telescopic cylinder (13) lower extreme fixedly connected with, and go up mould (14) and four groups bracing piece (11) swing joint, lower mold mechanism (2) are including setting up four groups bracing piece (11) lower extreme lower module (21), and go up mould (14) and lower module (21) phase-match, lower module (21) inside is provided with first ejecting subassembly (22) and second ejecting subassembly (23).

2. The die-casting mold for automobile parts with the ejection and demolding function as claimed in claim 1, wherein: the lower die assembly (21) comprises a lower die (211) fixedly connected to the lower ends of the four groups of support rods (11), a cavity (212) is formed in the lower die (211), and a die-casting groove (213) is formed in the upper end of the lower die (211).

3. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 2, wherein: the lower end of the die casting groove (213) is fixedly connected with a bottom plate (214), and the upper ends of two sides of the cavity (212) are fixedly connected with blocking blocks (215).

4. The die-casting mold for automobile parts with the ejection and demolding function as claimed in claim 3, wherein: the upper end of the bottom plate (214) is provided with a plurality of groups of through holes (216) which penetrate through the bottom plate from top to bottom near the edge, and the center of the bottom plate (214) is provided with an ejection groove (217) which penetrates through the bottom plate from top to bottom.

5. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 4, wherein: the first ejection assembly (22) comprises second telescopic cylinders (221) fixedly connected to the lower end of the inner portion of the cavity (212), two groups of the second telescopic cylinders (221) are arranged, supporting plates (222) are fixedly connected to the upper ends of the two groups of the second telescopic cylinders (221), and the supporting plates (222) are slidably connected with the inner wall of the cavity (212).

6. The die-casting mold for automobile parts with the ejection and demolding function as claimed in claim 5, wherein: the upper end of the supporting plate (222) is fixedly connected with ejector pins (223), a plurality of groups of ejector pins (223) are arranged on the ejector pins (223), and the plurality of groups of ejector pins (223) are respectively movably connected with the plurality of groups of through holes (216).

7. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 6, wherein: the lower end of the bottom plate (214) is fixedly connected with a limiting ring (224), a plurality of groups of limiting rings (224) are arranged, and the plurality of groups of limiting rings (224) are respectively movably connected with the plurality of groups of thimbles (223).

8. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 7, wherein: the second ejection assembly (23) comprises a third telescopic cylinder (231) fixedly connected to the upper end of the supporting plate (222), and a transmission plate (232) is fixedly connected to the upper end of the third telescopic cylinder (231).

9. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 8, wherein: the middle of the ejector pin (223) is movably connected with the transmission plate (232), the transmission plate (232) is connected with the inner wall of the cavity (212) in a sliding mode, and the upper end of the transmission plate (232) is fixedly connected with an ejector rod (233).

10. The automobile part die-casting mold with the ejection and demolding function as claimed in claim 9, wherein: the upper end of the ejector rod (233) penetrates through the bottom plate (214) and is fixedly connected with the ejector block (234), the ejector block (234) is matched with the ejector groove (217), the spring (235) is fixedly connected between the bottom plate (214) and the transmission plate (232), and the spring (235) is sleeved on the outer side of the ejector rod (233).