Aluminum alloy hub casting forming die

Abstract

The utility model relates to the technical field of hub casting, in particular to an aluminum alloy hub casting forming die which comprises a lower die and an upper die, two limiting sleeves are connected to the tops of the two sides of the lower die respectively, and the tops of two sets of hooks are rotationally connected with the side wall of the upper die through fixing shafts respectively. The bottoms of the two sets of hooks abut against the side walls of the limiting sleeves correspondingly, connecting shafts are perpendicularly connected to the centers of the side walls of the two sets of hooks, air cylinders are installed on the two sides of the bottom of the lower die correspondingly, push blocks are installed on output shafts at one ends of the two air cylinders correspondingly, driving rods are rotationally connected to the two push blocks correspondingly, and a top plate is arranged on one sides of the two sets of hooks. The two ends of the two top plates are rotationally connected with the two connecting shafts correspondingly, and the tops of the two driving rods are rotationally connected with the centers of the bottoms of the top plates through top blocks correspondingly. The locking control can be quickly carried out on the end parts of the two sides of the upper and lower dies, the locking effect is good, meanwhile, die opening control can be carried out, and finished product blanking is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of casting mould, specifically a kind of aluminum alloy wheel hub casting forming mould, belong to wheel hub casting technical field. BACKGROUND

[0002] In the process of high-speed development, the hub of automobile wheel is an important component in production process, which requires light weight, high strength, good toughness, and has been focused by automobile manufacturers. Currently, the material of hub is mostly aluminum alloy, and the hub forming mold is the equipment for casting hub.

[0003] The existing patent with publication number CN220862670U is a kind of aluminum alloy wheel hub casting forming mould, which realizes hub casting work through the cooperation of upper die and lower die. However, during the locking process of upper die and lower die, the cooperation control of lead screw motor is used, which occupies a large space and easily affects the feeding operation of upper die and lower die. Moreover, the locking assembly can only lock the center of both sides of the module, and the locking effect is poor. The module sides are still loose, and manual operation is required when the mold is opened. The mold is heavy, time-consuming and labor-consuming for back-and-forth operation, which is inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims to solve the above problems and provides a kind of aluminum alloy wheel hub casting forming mould, which can quickly lock the two sides of upper die and lower die, has good locking effect, and can also control the opening of the mould, which is convenient for finished product feeding.

[0005] The utility model realizes the above-mentioned purpose through the following technical scheme. A kind of aluminum alloy wheel hub casting forming mould, comprising lower die and upper die, locking mechanism is installed on the upper die and lower die, the locking mechanism includes limiting sleeve, two limiting sleeves are respectively connected on the top of the two sides of lower die, two hooks are respectively connected on the bottom of the two sides of upper die, the top of two groups of hooks is respectively rotatably connected with the side wall of upper die through fixed shaft, the bottom of two groups of hooks is respectively in contact with the side wall of limiting sleeve, connecting shaft is vertically connected at the center of the side wall of two groups of hooks, control mechanism is installed on the bottom of the two sides of lower die, the control mechanism includes cylinder, cylinder is respectively installed on the bottom of the two sides of lower die, push block is respectively installed on the output shaft of one end of two cylinders, driving rod is rotatably connected on two push blocks, top plate is provided on one side of two groups of hooks, two connecting shafts are rotatably connected at both ends of two top plates, and the top of two driving rods is rotatably connected with the bottom center of top plate through top block.

[0006] Preferably, the top of the two sides of lower die is fixedly connected with shaft, and the limiting sleeve is rotatably connected with the shaft.

[0007] Preferably, the two groups of hook bottom top sides are respectively provided with anti-skid pads, the anti-skid pads are arc-shaped structures, and the anti-skid pad top sides are tooth-shaped structures.

[0008] Preferably, the upper mold two-side bottom midlines are respectively provided with limiting holes, and the limiting holes are located on the top plate top side.

[0009] Preferably, the upper mold two sides are respectively provided with two sliders, the sliders are slidably connected with the upper mold side walls through compression springs, and the two groups of fixing shafts are respectively connected with the two groups of sliders one side perpendicularly.

[0010] Preferably, the upper mold two sides are respectively provided with two guide rods, and the sliders and the compression springs are slidably connected with the guide rods.

[0011] Preferably, the two push blocks are slidably connected with the cylinder conveying shafts, the two push blocks one side are threadedly connected with limiting rods, and the two limiting rods one end respectively extend to the cylinder output shaft inner sides.

[0012] Preferably, the limiting rod one end is a cylindrical structure, and the limiting rod other end is a spherical structure.

[0013] Preferably, the limiting rod spherical end side wall is provided with a plurality of annularly distributed grooves, and the grooves are elliptical structures.

[0014] The upper mold and the lower mold are buckled, aluminum alloy wheel hub casting forming is realized, two cylinders work, the cylinders drive the driving rods to pull the top plates, the two top plates drive two groups of hooks to buckle with the limiting sleeves, the upper mold and the lower mold are closed and tightly and will not be loose, and then stable casting work is carried out, after casting is completed, two cylinders shrink, two cylinders pull two driving rods, two driving rods abut against two top plates, two top plates two ends respectively abut against hooks, the hooks rotate around the fixing shaft as the center, the hooks are separated from the limiting sleeves, when the driving rods abut against the top plates, the top plates drive the hooks to lift the upper mold, the upper mold and the lower mold are separated, and the mold is convenient to open and material is convenient to take. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic view of the utility model;

[0016] Figure 2 It is the connection structure schematic view of the driving rod and the cylinder of the utility model;

[0017] Figure 3 It is the connection structure schematic view of the hook and the slider rotating groove and the base of the utility model;

[0018] Figure 4 It is the connection structure schematic view of the limiting rod and the push block of the utility model;

[0019] Figure 5 It is the connecting structure schematic view of the position limiting rod and the cylinder of the utility model.

[0020] In the figure: 1, lower mould; 2, upper mould; 3, locking mechanism; 301, position limiting sleeve; 302, hook; 303, fixed shaft; 304, connecting shaft; 305, rotating shaft; 306, sliding block; 307, compression spring; 308, guide rod; 309, non-slip pad; 4, control mechanism; 401, cylinder; 402, driving rod; 403, top plate; 404, push block; 405, position limiting rod; 406, top block; 407, groove; 408, position limiting hole. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] Please refer to Figures 1-5 As shown in the figure, an aluminum alloy hub casting forming die, including lower mould 1 and upper mould 2, the upper mould 2 and lower mould 1 are installed with locking mechanism 3, the locking mechanism 3 includes position limiting sleeve 301, the lower mould 1 both sides top are connected with two position limiting sleeves 301 respectively, the upper mould 2 both sides bottom are connected with two hooks 302 respectively, two groups of hook 302 top are rotatably connected with the sidewall of upper mould 2 through fixed shaft 303 respectively, two groups of hook 302 bottom are in contact with the sidewall of position limiting sleeve 301 respectively, two groups of hook 302 sidewall center are connected with connecting shaft 304 vertically, the lower mould 1 bottom both sides are installed with control mechanism 4, the control mechanism 4 includes cylinder 401, the lower mould 1 bottom both sides are installed with cylinder 401 respectively, two cylinder 401 one end output shafts are installed with push block 404 respectively, two push block 404 are rotatably connected with driving rod 402 respectively, two groups of hook 302 one side are equipped with top plate 403, two top plate 403 both ends are rotatably connected with two connecting shafts 304 respectively, two driving rods 402 top are rotatably connected with the bottom center of top plate 403 through top block 406 respectively.

[0023] As a technical optimization scheme of the utility model, the lower mould 1 both sides top are fixedly connected with rotating shaft 305 respectively, the position limiting sleeve 301 is rotatably connected with rotating shaft 305, through the installation of rotating shaft 305, the position limiting sleeve 301 can rotate on the sidewall of lower mould 1, so that the hook 302 is better with the position limiting sleeve 301 and separates.

[0024] As a technical optimization scheme of the utility model, two groups of the hook 302 bottom top side are equipped with anti -skid pad 309 respectively, the anti -skid pad 309 is arc structure, the anti -skid pad 309 top side is the dentiform structure, through the installation of the anti -skid pad 309, after the contact of the hook 302 with the limiting sleeve 301, the friction is increased, and the effect of anti -skid is played.

[0025] As a technical optimization scheme of the utility model, the upper die 2 both sides bottom midline is equipped with limiting hole 408 respectively, the limiting hole 408 is located the top side of top plate 403, through the establishment of the limiting hole 408, it is beneficial to insert screw rod inside the limiting hole 408, and the top plate 403 is contacted and limited, so that the hook 302 and the limiting sleeve 301 buckle do not loosen.

[0026] As a technical optimization scheme of the utility model, the upper die 2 both sides are equipped with two sliders 306 respectively, the slider 306 is slidably connected with the sidewall of upper die 2 through compression spring 307, one end of two groups of the fixed shaft 303 is connected with one side of two groups of the slider 306 respectively, through the installation of the slider 306, under the cooperation of the compression spring 307, the slider 306 has telescopic sliding, so that the hook 302 and the limiting sleeve 301 buckle more smoothly.

[0027] As a technical optimization scheme of the utility model, the upper die 2 both sides are equipped with two guide rods 308 respectively, the slider 306, compression spring 307 are slidably connected with guide rod 308, through the installation of the guide rod 308, it is beneficial to the guiding effect of the slider 306, the compression spring 307.

[0028] As a technical optimization scheme of the utility model, two the push block 404 and cylinder 401 conveying shaft are slidably connected, two the push block 404 one side is connected with limiting rod 405, two the limiting rod 405 one end extends to the inside of cylinder 401 output shaft respectively, through the sliding of the push block 404 and the cylinder 401 output shaft, it is convenient for subsequent disassembly, through the installation of the limiting rod 405, the cylinder 401 output shaft and the push block 404 are directly limited and locked.

[0029] As a technical optimization scheme of the utility model, the limiting rod 405 one end is cylindrical structure, the limiting rod 405 other end is spherical structure, it is beneficial to the threaded connection of the limiting rod 405 and the push block 404, and the good holding control of the limiting rod 405.

[0030] As a technical optimization scheme of the utility model, the spherical end side wall of the limiting rod 405 is equipped with a plurality of annularly distributed grooves 407, the groove 407 is an elliptical structure, through the opening of the groove 407, the friction of the outside of the limiting rod 405 is increased, and the rotation control of the limiting rod 405 is facilitated.

[0031] The utility model discloses in using, first fixed lower mould 1, then through solenoid valve control makes two air cylinders 401 work, makes air cylinder 401 drive driving rod 402 pull two top plates 403, and two top plates 403 drive two groups of hooks 302 and limit sleeve 301 buckling, make upper mould 2, lower mould 1 close tightly and do not loosen, and then carry out stable casting work, can be inserted screw rod on two limiting holes 408 simultaneously, play the role of the resistance protection of two top plates 403, after casting, through the contraction of two air cylinders 401, two air cylinders 401 pull two driving rods 402, realize that two driving rods 402 resist two top plates 403, and two top plates 403 both ends respectively resist hooks 302, and hooks 302 will rotate with fixed shaft 303 as center, because hooks 302 can move under the cooperation of slider 306, make hooks 302 separate with limit sleeve 301 smoothly, when driving rod 402 resists top plate 403, top plate 403 will drive hooks 302 to lift upper mould 2, realize that upper mould 2 is separated with lower mould 1, and facilitate opening mould and taking material, when air cylinder 401 is damaged, can rotate limiting rod 405, make limiting rod 405 separate with air cylinder 401 output shaft, push block 404 and air cylinder 401 output shaft can slide freely, and then realize the free control of driving rod 402, facilitate the rotation of hooks 302 and unlock, so manual control can also be carried out.

[0032] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. An aluminum alloy wheel hub casting forming mold comprising a lower mold (1) and an upper mold (2), characterized in that: The upper die (2) and the lower die (1) are provided with a locking mechanism (3), the locking mechanism (3) comprises a limiting sleeve (301), two limiting sleeves (301) are connected to the top of the two sides of the lower die (1) respectively, two hooks (302) are connected to the bottom of the two sides of the upper die (2) respectively, the top of the two groups of hooks (302) is rotatably connected with the side wall of the upper die (2) through a fixed shaft (303), the bottom of the two groups of hooks (302) abuts against the side wall of the limiting sleeve (301) respectively, the side wall center of the two groups of hooks (302) is vertically connected with a connecting shaft (304), a control mechanism (4) is installed on the bottom of the two sides of the lower die (1), the control mechanism (4) comprises a pneumatic cylinder (401), the bottom of the two sides of the lower die (1) is provided with a pneumatic cylinder (401) respectively, a push block (404) is installed on one end output shaft of the two pneumatic cylinders (401) respectively, a driving rod (402) is rotatably connected to the upper part of the two push blocks (404) respectively, a top plate (403) is arranged on one side of the two groups of hooks (302), the two ends of the two top plates (403) are rotatably connected with the two connecting shafts (304) respectively, the top of the two driving rods (402) is rotatably connected with the bottom center of the top plate (403) through a top block (406).

2. The aluminum alloy wheel hub cast forming mold of claim 1, wherein: The top of the two sides of the lower die (1) is fixedly connected with a rotating shaft (305), and the limiting sleeve (301) is rotatably connected with the rotating shaft (305).

3. The aluminum alloy wheel hub cast forming mold of claim 1, wherein: The top side of the bottom of the two groups of hooks (302) is provided with an anti-skid pad (309), the anti-skid pad (309) is of arc structure, and the top side of the anti-skid pad (309) is of tooth structure.

4. The aluminum alloy wheel hub cast forming mold of claim 1, wherein: The bottom of the two sides of the upper die (2) is provided with a limiting hole (408) at the center line respectively, and the limiting hole (408) is located on the top side of the top plate (403).

5. The aluminum alloy wheel hub cast forming mold of claim 1, wherein: The two sides of the upper die (2) are provided with two sliding blocks (306) respectively, the sliding block (306) is slidably connected with the side wall of the upper die (2) through a compression spring (307), and one end of the two groups of fixed shafts (303) is connected with one side of the two groups of sliding blocks (306) vertically.

6. An aluminum alloy wheel hub cast forming mold according to claim 5, characterized by: The two sides of the upper die (2) are provided with two guide rods (308) respectively, and the sliding block (306), the compression spring (307) and the guide rod (308) are slidably connected.

7. The aluminum alloy wheel hub cast forming die of claim 1, wherein: The two push blocks (404) are slidably connected with the output shaft of the pneumatic cylinder (401), and the one side of the two push blocks (404) is threadedly connected with a limiting rod (405), and one end of the two limiting rods (405) extends to the inner side of the output shaft of the pneumatic cylinder (401) respectively.

8. An aluminum alloy wheel hub cast forming mold according to claim 7, characterized by: The one end of the limiting rod (405) is of cylindrical structure, and the other end of the limiting rod (405) is of spherical structure.

9. An aluminum alloy wheel hub cast forming mold according to claim 8, characterized by: The side wall of the spherical end of the limiting rod (405) is provided with a plurality of annular grooves (407), and the grooves (407) are of elliptical structure.

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