CN209502930U - A mold for processing front shock absorber bracket - Google Patents

Abstract

The utility model discloses a mold for shock-absorbing brackets before processing, which comprises a fixed mold frame, a movable mold frame, a fixed mold core and a movable mold core. A shunt is provided, the fixed mold core is provided with a fixed mold cavity, the movable mold core is provided with a movable mold cavity, the four corners of the fixed mold frame and the fixed mold core are provided with positioning grooves, and the four corners of the movable mold frame and the movable mold core are provided with The positioning bumps matched with the positioning grooves; the mold cavity is set in combination with the structure of the front shock absorber bracket, and adopts a mold-one-cavity structure. A slag bag is arranged in the center of the fixed mold cavity and the movable mold cavity, and the fixed mold cavity and the movable mold cavity There are multiple slag bags arranged around the cavity, and the movable mold core and the movable mold frame are provided with multiple exhaust grooves connected with the multiple slag bags around the movable mold cavity, and the sides of the movable mold frame and the fixed mold frame Exhaust blocks communicated with some exhaust grooves are provided on the sides. In the utility model, the positioning of the mold core and the exhaust in the die-casting process are more effective, which reduces the pores of the product and improves the quality of the mold.

Description

A mold for processing front shock absorber bracket

technical field

The utility model mainly relates to the field of moulds, in particular to a mold for a shock-absorbing bracket before processing.

Background technique

The casting mold has a great influence on the quality of the product, especially when the mold is divided, the mold has a parting surface, which is easy to produce wrong box defects. If the casting also has a hole structure, due to the need to use inserts, The core is more prone to shape and size deviations, which affects the shape accuracy of the mold, thereby affecting the quality of the product. Existing molds for the front shock absorber often have poor matching accuracy between the fixed mold frame and the movable mold frame, and the opening and closing of the mold is inconvenient, which in turn affects the quality of the product, and the exhaust is not smooth, resulting in air holes in the product, forming a mold cavity structure and Improper selection of runners and ingates will affect product quality. At the same time, existing molds often need to repeatedly adjust the installation angle and accuracy of the mold core during product maintenance and assembly, but the general mold core is difficult to remove. Sometimes the improper removal method may easily cause the wear of the mold core and affect the manufacturing accuracy of the product.

Utility model content

The utility model aims at the above problems and provides a mold for the shock absorbing bracket before processing.

The purpose of this utility model can be achieved through the following technical solutions: a mold for processing the front shock absorber, including a fixed mold frame, a movable mold frame, a fixed mold core and a movable mold core, and the upper side of the fixed mold frame is provided with a casting The mouthpiece, the corresponding position of the movable mold frame is provided with a shunt, the fixed mold core is provided with a fixed mold cavity, the movable mold core is provided with a movable mold cavity, and the four corners of the fixed mold frame and the fixed mold core are provided with positioning grooves, The four corners of the movable mold frame and the movable mold core are provided with positioning bumps matched with the positioning grooves; the mold cavity formed by the fixed mold cavity and the movable mold cavity is a mold-one-cavity structure; the fixed mold cavity includes A circular groove, the center of the circular groove is concentrically provided with a second-order circular groove, the side wall of the lower-order circular groove of the second-order circular groove is an inclined plane, and the lower-order circular groove of the second-order circular groove Six first pins are uniformly distributed along the circumferential direction on the edge of the groove bottom surface of the stepped circular groove, and the six first pins are all embedded on the fixed mold core and the fixed mold frame; The second-order circular boss corresponding to the circular groove, the end face center of the upper-order circular boss of the second-order circular boss is concentrically provided with a circular platform, and the end surface of the circular platform is against the lower-order circular boss of the second-order circular groove. The groove bottom surface of the groove, the end face of the upper-step circular boss of the second-order circular boss and the end faces of the six first pins, the edge of the end face of the upper-step circular boss of the second-order circular boss is uniform along the circumferential direction. There are six bar-shaped grooves extending radially, and the side wall of the upper-order circular boss of the second-order circular boss is evenly distributed with six semicircular protrusions, six bar-shaped grooves and six The two semicircular projections are arranged at intervals one by one in the circumferential direction, and the outer peripheral side of the lower-order circular projection of the second-order circular projection is evenly distributed with four second pins embedded in the movable mold core and the movable mold frame. , the end surfaces of the four second pins are against the bottom surface of the circular groove; the flow channel communicates with the mold cavity through a funnel-shaped flow channel, and the flow channel is divided into two branches, both of which extend to two The side of the lower-order circular boss of the first-order circular boss, the center of the bottom surface of the lower-order circular groove of the second-order circular groove, and the center of the end face of the upper-order circular boss of the second-order circular boss A slag bag is arranged on each side, and multiple slag bags are arranged around the fixed cavity and the movable mold cavity, and a plurality of slag bags connected with the multiple slag bags on the movable mold cavity are arranged on the movable mold core and the movable mold frame. The exhaust groove, the side of the movable mold frame and the side of the fixed mold frame are all provided with an exhaust block communicating with part of the exhaust groove.

The utility model combines the structure of the front shock absorbing bracket to design the mold cavity. During die-casting, the aluminum liquid is poured from the sprue sleeve, flows into the mold cavity after passing through the shunt and the flow channel, and fills the casting cavity in a very short time. Pressurized forging during the liquid cooling process to cast high-quality front shock absorber bracket products, through the cooperation of slag bags, exhaust grooves and exhaust blocks, the exhaust is more effective, and the arrangement of slag bags and exhaust grooves is Arranged in combination with the front shock-absorbing bracket structure, the air holes of the product are reduced and the quality of the mold is improved. There are also fixed mold frame and movable mold frame and fixed mold core and movable mold core are positioned more precisely by positioning grooves and positioning projections.

Description of drawings

Fig. 1 is the bottom surface schematic diagram of the utility model.

Fig. 2 is a schematic side view of the utility model.

Fig. 3 is a schematic diagram of the structure of the fixed mold of the present invention.

Fig. 4 is a schematic diagram of the structure of the movable mold of the present invention.

Fig. 5 is a schematic structural view of the fixed mold cavity at A in Fig. 3 .

Fig. 6 is a schematic structural view of the movable mold cavity at B in Fig. 4 .

The part numbers in the figure are as follows:

1 fixed mold frame, 2 fixed mold frame anti-collision plate, 3 movable mold frame, 4 movable mold frame anti-collision plate, 5 mold foot, 6 anti-collision column, 7 thimble fixed plate, 8 push plate, 9 support column, 10 top plate Guide pillar, 11 top plate guide sleeve, 12 top plate limit block, 13 sprue sleeve, 14 fixed mold core, 15 shunt, 16 movable mold core, 17 guide pillar, 18 guide sleeve, 19 thimble, 20 slag bag, 21 cooling Waterway, 22 flow channel, 23 lifting ring, 24 exhaust block, 25 exhaust groove, 26 reset lever, 27 circular groove, 28 second-order circular groove, 29 lower-order circular groove, 30 first pin , 31 second-order circular bosses, 32 upper-order circular bosses, 33 round platforms, 34 bar-shaped grooves, 35 semicircular projections, and 36 second pins.

Detailed ways

The specific embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can more clearly understand how to practice the utility model. Although the invention has been described in conjunction with preferred specific embodiments thereof, these embodiments are illustrative only and do not limit the scope of the invention.

As shown in Figures 1 to 4, a mold for processing the front shock absorber adopts a horizontal die-casting machine, and the mold is installed horizontally. The mold mainly includes a fixed mold part, a moving mold part, an ejector part, a reset part, The guide part, the cooling part, the pouring part, the exhaust part and the support part also include the mold placement protection part and the suspension ring 23 .

The fixed mold part, which includes the fixed mold frame 1 and the fixed mold core 14 arranged in the fixed mold frame 1, the fixed mold core 14 is provided with a fixed mold cavity, and the four corners of the fixed mold frame 1 and the fixed mold core 14 are provided with positioning grooves .

The movable mold part comprises a movable mold frame 3 and a movable mold core 16 arranged in the movable mold frame 3, one side of the movable mold frame 3 is matched with the fixed mold frame 1, and the movable mold core 16 is provided with a movable mold cavity, and the movable mold core 16 is provided with a movable mold cavity. The four corners of the mold frame 3 and the movable mold core 16 are provided with positioning projections matched with the positioning grooves, the movable mold core 16 cooperates with the fixed mold core 14 and the movable mold cavity and the fixed mold cavity cooperate to form a complete mold cavity.

Ejection part, which is arranged on the other side of the movable mold frame 3, the ejection part includes ejector pin 19, ejector pin fixed plate 7, push plate 8 and top plate limit block 12, ejector pin fixed plate 7, push plate 8 and top plate limiter The block 12 is arranged on the other side of the movable mold frame 3 in turn, the tail of the ejector pin 19 is fixed on the ejector pin fixing plate 7, and the head of the ejector pin 19 penetrates the movable mold frame 3 and the movable mold core 16 in turn.

The reset part includes four reset rods 26, the tails of the four reset rods 26 are respectively fixed on the four corners of the thimble fixing plate 7, and the heads of the four reset rods 26 pass through the movable mold frame 3 and the movable mold core 16 in sequence and then arrive at the fixed mold frame 3 and the movable mold core 16. On the mold core 14, during mold closing, the reset lever 26 drives the thimble fixed plate 7 to reset.

The guide part includes the ejection guide part and the mold guide part. The ejection guide part is composed of a top plate guide sleeve 11 and a top plate guide post 10. The top plate guide sleeve 11 is fixed on the thimble fixing plate 7 and the push plate 8. The top plate guide post 10 It is installed in the top plate guide sleeve 11 , and one end of the top plate guide post 10 is fixed to the movable frame 3 , and the steps on the top plate guide post 10 play a role of limiting the thimble fixed plate 7 . The guide part of the mold is composed of a guide sleeve 18 and a guide post 17, the guide sleeve 18 is fixed on the movable mold frame 3, one end of the guide post 17 is fixed on the fixed mold frame 1, and the other end of the guide post 17 is installed in the guide sleeve 18 .

Cooling part, it comprises cooling waterway 21, and cooling waterway 21 is respectively arranged in fixed mold frame 1 and movable mold frame 3 and is arranged close to movable mold cavity and fixed mold cavity, and cooling waterway 21 has waterway inlet and waterway outlet, and waterway inlet and waterway The outlets are all arranged on the sides of the fixed die frame 1 and the movable die frame 3 . The cooling water circuit 21 is used to control the mold temperature and prolong the life of the mold.

The pouring part includes sprue bushing 13, runner 15 and runner 22, runner 22 includes straight flow channel, cross runner and ingate, sprue bushing 13 is arranged on fixed mold frame 1, and sprue bushing 13 has The straight flow channel and the cross flow channel are opened on the movable mold core 16 and communicate with the movable mold cavity through the ingate, the ingate is a side gate, the distributor 15 is arranged on the movable mold frame 3, and the distributor 15 is located between the direct channel and the mold cavity. The junction of the cross runner is also connected with the sprue sleeve 13 and the movable mold core 16 .

The exhaust part includes a slag bag 20, an exhaust groove 25 and an exhaust block 24. The slag bag 20 is arranged on the peripheral side of the fixed mold cavity and the movable mold cavity. The cavity is connected, the exhaust groove 25 is arranged on the movable mold core 16 and the movable mold frame 3 and communicated with the slag bag 20 around the movable mold cavity, the exhaust block 24 is arranged on the fixed mold frame and the movable mold frame 3, The exhaust block 24 on the movable mold frame 3 communicates with the exhaust groove 25.

The support part includes a support column 9 and a mold foot 5, both of which are arranged on the other side of the movable mold frame 3, and one end of the support column 9 penetrates through the middle of the thimble fixed plate 7 and the push plate 8 , the other end is against the movable mold frame 3, and the mold feet 5 are respectively arranged on both sides of the thimble fixed plate 7 and the push plate 8 and fixed with the movable mold frame 3. When the punch of the die-casting machine shoots, accompanied by a huge impact force, the support column 9 enhances the shear strength of the mold and prevents the deformation of the mold from affecting the size of the casting.

The mold placement protection part includes the fixed mold frame anti-collision plate 2 as the mold placement plane, the movable mold frame anti-collision plate 4 and the anti-collision column 6, and the fixed mold frame anti-collision plate 2 is arranged at the waterway entrance on the fixed mold frame 1 and the side where the waterway exit is located, the movable mold frame anti-collision plate 4 is arranged on the side where the waterway inlet and the waterway outlet are located on the movable mold frame 3, and the anti-collision column 6 is arranged on the mold foot 5 and the fixed mold frame anti-collision plate 2, the movable mold frame The side of frame anti-collision plate 4 same sides. The fixed mold frame anti-collision plate 2, the movable mold frame anti-collision plate 4 and the anti-collision column 6 play a protective role to the external water pipe of the cooling water circuit 21.

Hanging ring 23, it is respectively arranged on the upper side of fixed die frame 1 and movable die frame 3.

Wherein, the mold cavity formed by the fixed mold cavity and the movable mold cavity has a structure of one mold and one cavity.

As shown in Fig. 3 and Fig. 5, described fixed die cavity comprises a circular groove 27, and the center of circular groove 27 is concentrically provided with a second-order circular groove 28, and the bottom of second-order circular groove 28 The side wall of the step circular groove 29 is a slope, and the edge of the groove bottom surface of the lower step circular groove 29 of the second step circular groove 28 is evenly distributed with six first pins 30 along the circumferential direction, and the six first pins 30 are all inlaid on the fixed mold core 14 and the fixed mold frame 1.

As shown in Figures 4 and 6, the movable die cavity includes a second-order circular boss 31 corresponding to the second-order circular groove 28, and an upper-stage circular boss 32 of the second-order circular boss 31 The center of the end face is concentrically provided with a round platform 33, the end face of the round platform 33 is against the bottom surface of the lower step circular groove 29 of the second step circular groove 28, the upper step circular boss 32 of the second step circular boss 31 The end face is against the end faces of the six first pins 30, and the edge of the end face of the upper-stage circular boss 32 of the second-stage circular boss 31 is evenly distributed along the circumferential direction with six strip-shaped grooves 34 extending radially. The side wall of the upper step circular boss 32 of the circular boss 31 is evenly distributed with six semicircular projections 35 in the circumferential direction, and six strip grooves 34 and six semicircular projections 35 are arranged one by one in the circumferential direction. Set at intervals, the outer peripheral side of the lower-order circular boss of the second-order circular boss 31 is evenly distributed with four second pins 36 embedded in the movable mold core 16 and the movable mold frame 3, and the four second pins The end surface of 36 is against the groove bottom surface of circular groove 27 .

The distributor 15 communicates with the mold cavity through a funnel-shaped flow channel 22, the flow channel 22 is divided into two branches, and both branches extend to the side of the lower-order circular boss of the second-order circular boss 31 A slag bag 20 is arranged at the center of the groove bottom surface of the lower-order circular groove 29 of the second-order circular groove 28 and the end face center of the upper-order circular boss 32 of the second-order circular boss 31, and the fixed mold cavity A plurality of slag bags 20 are arranged on the periphery of the movable mold cavity, and the movable mold core 16 and the movable mold frame 3 are provided with a plurality of exhaust grooves 25 communicating with the plurality of slag bags 20 on the periphery of the movable mold cavity. The side of the mold frame 3 and the side of the fixed mold frame 1 are all provided with an exhaust block 24 communicating with a part of the exhaust groove 25 .

The entire mold is horizontally installed on the die-casting machine, the fixed mold frame 1 is fixed on the die-casting machine, and the movable mold frame 3 is fixed on the die-casting machine and slides accurately. When the mold is closed, the aluminum liquid is injected from the sprue sleeve 13, shunted by the runner 15, and then flows into the mold cavity from the runner 22 and the inner gate, and the fixed mold cavity and the movable mold cavity are combined to form a front shock absorber bracket, and finally Die opening ejects casting by ejector pin 19. Simultaneously, the cooling water channel 21 passes water to cool and control the mold temperature. The molten aluminum flows at a high speed in the runner 22, can fill the mold cavity in a very short time, and cast high-quality front shock absorber bracket castings. Mold closing again, the fixed mold core 14 can drive the reset lever 26 to reset the thimble fixed plate 7, and prepares for ejecting the front shock-absorbing bracket casting.

It should be pointed out that for the utility model that has been fully described, there may also be various changes and modified implementations, and it is not limited to the specific examples of the above-mentioned implementation modes. The above-mentioned embodiments are only used as illustrations of the present utility model, rather than limitation of the present utility model. In a word, the protection scope of the present utility model shall include those transformations, substitutions and modifications obvious to those skilled in the art.

Claims (1)

1. A mold for shock-absorbing support before processing, comprising a fixed mold frame, a movable mold frame, a fixed mold core and a movable mold core, the upper side of the fixed mold frame is provided with a sprue sleeve, and the corresponding position of the movable mold frame is provided with The shunt, the fixed mold core is provided with a fixed mold cavity, and the movable mold core is provided with a movable mold cavity. It is characterized in that the four corners of the fixed mold frame and the fixed mold core are provided with positioning grooves, and the movable mold frame and the movable mold The four corners of the core are provided with positioning projections that match the positioning grooves; The mold cavity formed by the fixed mold cavity and the movable mold cavity is a mold-one-cavity structure; Described fixed die cavity comprises a circular groove, and the center of circular groove is concentrically provided with a second-order circular groove, and the side wall of the lower-order circular groove of second-order circular groove is a slope, and the second-order circular groove Six first pins are evenly distributed along the circumferential direction on the edge of the groove bottom surface of the lower-order circular groove of the circular groove, and the six first pins are all embedded on the fixed mold core and the fixed mold frame; The movable mold cavity includes a second-order circular boss corresponding to the second-order circular groove, and a circular platform is concentrically arranged at the center of the end face of the upper-order circular boss of the second-order circular boss, and the end surface of the circular platform abuts against the The groove bottom surface of the lower-order circular groove of the second-order circular groove, the end face of the upper-order circular boss of the second-order circular boss and the end faces of the six first pins, and the end faces of the second-order circular boss. The edge of the end face of the upper circular boss is evenly distributed along the circumference with six strip-shaped grooves extending radially, and the side wall of the upper circular boss of the second-order circular boss is evenly distributed with six semicircular grooves in the circumferential direction. The bumps, six bar-shaped grooves and six semicircular bumps are arranged at intervals one by one in the circumferential direction. The second pins on the core and the movable mold frame, the end faces of the four second pins are against the bottom surface of the circular groove; The distributor communicates with the mold cavity through a funnel-shaped flow channel, and the flow channel is divided into two branches, both of which extend to the side of the lower circular boss of the second-order circular boss, and the second-order circular boss A slag bag is arranged in the center of the groove bottom surface of the lower-order circular groove of the second-order circular boss and in the center of the end face of the upper-order circular boss of the second-order circular boss. There are multiple slag bags, the movable mold core and the movable mold frame are provided with a plurality of exhaust grooves connected with the multiple slag bags around the movable mold cavity, and the sides of the movable mold frame and the fixed mold frame are equipped with Exhaust block with some exhaust grooves connected.