Die structure for automobile suspension bracket

Abstract

The utility model relates to the technical field of casting molds, and discloses a mold structure for an automobile suspension bracket, which comprises a base, the upper end of the base is fixedly connected with a limiting piece, a sliding rod, an air cylinder and an ejector rod. According to the mold structure for the automobile suspension bracket, when a product is cast, a second electromagnetic valve and a fourth electromagnetic valve are started, a first electromagnetic valve and a third electromagnetic valve are closed, a first conveying pump is started to pump a heating medium into a circulating pipe, a lower mold body is uniformly preheated, the temperature difference in the casting process is reduced, local overheating or supercooling is avoided, internal stress is reduced, and the production efficiency is improved. And the opening degrees of the second electromagnetic valve, the fourth electromagnetic valve, the first electromagnetic valve and the third electromagnetic valve can be adjusted, the solidification speed in the mold cavity is slowed down, the internal stress of the product is reduced, it is ensured that the product can be evenly cooled, and the forming quality of the product is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casting moulds, in particular to a mould structure for an automobile suspension bracket. Background Art

[0002] The automobile suspension bracket is an important part of the automobile chassis, which is used to connect the wheels and the body, support the vehicle and reduce the bumps and vibrations during the driving process. The design and performance of the suspension bracket have an important impact on the vehicle's handling, comfort and safety. The mold of the automobile suspension bracket is a tool used to manufacture automobile suspension bracket parts.

[0003] The Chinese utility model patent announcement number: CN 107774921 A, discloses: a mold assembly for a sleeve with a side hole, the mold assembly for a sleeve with a side hole, when in use, the fixed mold core and the movable mold core are assembled into a whole in a way that their inner surfaces are aligned and fitted with each other, and connected with screws and pins, etc., and the liquid metal is gradually injected into the mold cavity through the diverter cone and the barrel, and multiple castings can be cast at one time. The beneficial effects of the present invention are: simple structure, high mold closing accuracy, and high casting quality, but the structure of the mold assembly is relatively complex, and it is not convenient to demold the product after casting, which reduces the casting efficiency. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a mold structure for an automobile suspension bracket, which can effectively solve the problems in the prior art that the structure of the mold assembly is relatively complex, the product is not easy to demould after casting, and the casting efficiency is reduced.

[0005] The technical solution adopted by the utility model is: a mold structure for an automobile suspension bracket, comprising a base, the upper end of the base is fixedly connected to a limit piece, the upper end of the base is fixedly connected to a slide rod, the upper end of the base is fixedly connected to a cylinder, the upper end of the base is fixedly connected to a push rod, the upper end of the push rod is fixedly connected to a limit seat, the upper end of the limit seat is fixedly connected to a core pulling rod, a lower mold assembly is arranged above the base, a temperature control assembly is arranged on the left side of the base, and an upper mold assembly is arranged above the base.

[0006] Preferably, the lower mold assembly includes a lower mold body, a positioning groove, a lower mold groove and a groove, the upper end of the lower mold body is provided with a positioning groove, the upper end of the lower mold body is provided with a lower mold groove, and the upper end of the lower mold groove is provided with a groove.

[0007] Through the above technical solution, a lower mold assembly is provided, and the lower mold assembly is slidably connected to the slide rod, so the movement is smooth and stable.

[0008] Preferably, a side groove is provided at the upper end of the lower mold body, the upper end of the lower mold body is matched with the limiting member, and the groove is matched with the limiting seat.

[0009] Through the above technical scheme, a limit piece is set. When the lower mold assembly is in use, the cylinder is started to drive the lower mold body to move upward until the lower mold body is in close contact with the limit piece. At this time, the groove of the lower mold body is in close contact with the limit seat, and the lower mold groove is flush with the limit seat, which is convenient for casting the suspension bracket product. After the product is formed, the cylinder is started to drive the lower mold body to move downward along the slide rod, and the suspension bracket product is ejected from the lower mold body by the limit seat and the core pulling rod, and the demoulding effect is good.

[0010] Preferably, the temperature control component includes a circulation pipe, a connecting pipe 1, a solenoid valve 1, a connecting pipe 2, a solenoid valve 2, a delivery pump 1, a heat medium box, a refrigerant box, a delivery pump 2, a connecting pipe 3, a solenoid valve 3 and a solenoid valve 4. The input end of the circulation pipe is fixedly connected to the connecting pipe 1, the outer side of the connecting pipe 1 is fixedly connected to the solenoid valve 1, the front end of the connecting pipe 1 is fixedly connected to the connecting pipe 2, the outer side of the connecting pipe 2 is fixedly connected to the solenoid valve 2, the lower end of the connecting pipe 2 is fixedly connected to the output end of the delivery pump 1, the rear end of the delivery pump 1 is fixedly connected to the heat medium box, the rear end of the heat medium box is fixedly connected to the refrigerant box, the upper end of the refrigerant box is fixedly connected to the delivery pump 2, the output end of the delivery pump 2 is fixedly connected to the connecting pipe 3, and the outer side of the connecting pipe 3 is fixedly connected to the solenoid valve 3 and the solenoid valve 4.

[0011] Through the above technical solution, a temperature control component is set up. When casting the product, solenoid valve 2 and solenoid valve 4 are started, solenoid valve 1 and solenoid valve 3 are closed, and delivery pump 1 is started to pump heat medium into the circulation pipe to evenly preheat the lower mold body, reduce the temperature difference during the casting process, avoid local overheating or overcooling, help reduce internal stress, and improve product stability.

[0012] Preferably, the output end of the circulation pipe is fixedly connected to the connecting pipe three, the solenoid valve three and the solenoid valve four are arranged on both sides of the output end of the circulation pipe, the front end of the connecting pipe three is fixedly connected to the heat medium box, and the circulation pipe is arranged inside the lower mold body.

[0013] Through the above technical solution, after the product is formed, solenoid valve one and solenoid valve three are started, solenoid valve two and solenoid valve four are closed, and the refrigerant is pumped into the circulation pipe to evenly cool the lower mold body. The opening of solenoid valve two, solenoid valve four, solenoid valve one and solenoid valve three can be adjusted to slow down the solidification speed in the mold cavity, reduce the internal stress of the product, ensure that the product can be evenly cooled, and improve the molding quality of the product.

[0014] Preferably, the upper mold assembly includes an upper mold body, a positioning block, a punch and a gate, the lower end of the upper mold body is fixedly connected to the positioning block, the lower end of the upper mold body is provided with a punch, and the upper end of the upper mold body is provided with a gate.

[0015] Through the above technical solution, an upper mold assembly is provided, and the upper mold body is slidably connected to the slide rod to facilitate alignment with the lower mold assembly.

[0016] Preferably, four gates are provided and distributed at four corners of the punch, the positioning block is matched with the positioning groove, and the punch is matched with the lower mold groove.

[0017] Through the above technical scheme, the upper mold body is in close contact with the lower mold body during casting. At this time, the positioning block is inserted into the positioning groove. The punch, the lower mold groove and the core pulling rod form a mold cavity. The casting liquid is evenly added from the gate. The four gates make the casting liquid evenly fill the entire mold cavity.

[0018] Compared with the prior art, the utility model provides a mold structure for an automobile suspension bracket, which has the following beneficial effects:

[0019] 1. The mold structure for the automobile suspension bracket is provided with a lower mold assembly, which is slidably connected to the slide rod, moves smoothly and stably, and is provided with a limit piece. When the lower mold assembly is used, the cylinder is started to drive the lower mold body to move upward until the lower mold body is in close contact with the limit piece. At this time, the groove of the lower mold body is in close contact with the limit seat, and the lower mold groove is flush with the limit seat, which is convenient for casting the suspension bracket product. After the product is formed, the cylinder is started to drive the lower mold body to move downward along the slide rod, and the suspension bracket product is ejected by the limit seat and the core pulling rod and separated from the lower mold body, and the demoulding effect is good.

[0020] 2. The mold structure for the automobile suspension bracket is provided with a temperature control component. When casting the product, the solenoid valve 2 and the solenoid valve 4 are started, the solenoid valve 1 and the solenoid valve 3 are closed, and the delivery pump 1 is started to pump the heat medium into the circulation pipe to evenly preheat the lower mold body, reduce the temperature difference during the casting process, avoid local overheating or overcooling, help reduce internal stress, and improve the stability of the product. After the product is formed, the solenoid valve 1 and the solenoid valve 3 are started, the solenoid valve 2 and the solenoid valve 4 are closed, and the refrigerant is pumped into the circulation pipe to evenly cool the lower mold body. The opening of the solenoid valve 2, the solenoid valve 4, the solenoid valve 1 and the solenoid valve 3 can be adjusted to slow down the solidification speed in the mold cavity, reduce the internal stress of the product, ensure that the product can be evenly cooled, and improve the molding quality of the product. During casting, the upper mold body is in close contact with the lower mold body. At this time, the positioning block is inserted into the positioning groove, the punch, the lower mold groove and the core pulling rod form the mold cavity, and the casting liquid is evenly added from the gate. The four gates make the casting liquid evenly fill the entire mold cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the disassembled structure of the lower mold assembly and the upper mold assembly of the utility model;

[0024] Figure 4 This is a schematic diagram of the disassembled structure of the lower mold assembly and the base of the utility model;

[0025] Figure 5 This is an enlarged structural diagram of the upper mold assembly of the utility model;

[0026] Figure 6 It is a three-dimensional cross-sectional structural diagram of the upper mold assembly and the lower mold assembly of the utility model;

[0027] Figure 7 It is a schematic diagram of the enlarged structure of the temperature control component of the utility model.

[0028] Among them: 1. Base; 2. Limiting piece; 3. Sliding rod; 4. Cylinder; 5. Push rod; 6. Limiting seat; 7. Pulling rod; 8. Lower mold assembly; 801. Lower mold body; 802. Positioning groove; 803. Lower mold groove; 804. Groove; 9. Temperature control assembly; 901. Circulation pipe; 902. Connecting pipe 1; 903. Solenoid valve 1; 904. Connecting pipe 2; 905. Solenoid valve 2; 906. Delivery pump 1; 907. Heat transfer box; 908. Refrigerant box; 909. Delivery pump 2; 910. Connecting pipe 3; 911. Solenoid valve 3; 912. Solenoid valve 4; 10. Upper mold assembly; 1001. Upper mold body; 1002. Positioning block; 1003. Punch; 1004. Gate. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] Embodiment 1: Figure 1-7As shown, the utility model provides a mold structure for an automobile suspension bracket, including a base 1, the upper end of the base 1 is fixedly connected to a limit piece 2, the upper end of the base 1 is fixedly connected to a slide rod 3, the upper end of the base 1 is fixedly connected to a cylinder 4, the upper end of the base 1 is fixedly connected to a push rod 5, the upper end of the push rod 5 is fixedly connected to a limit seat 6, the upper end of the limit seat 6 is fixedly connected to a core pulling rod 7, a lower mold assembly 8 is arranged above the base 1, a temperature control assembly 9 is arranged on the left side of the base 1, and an upper mold assembly 10 is arranged above the base 1.

[0031] Specifically, the lower mold assembly 8 includes a lower mold body 801, a positioning groove 802, a lower mold groove 803 and a groove 804. The upper end of the lower mold body 801 is provided with a positioning groove 802, the upper end of the lower mold body 801 is provided with a lower mold groove 803, and the upper end of the lower mold groove 803 is provided with a groove 804. The advantage is that the lower mold assembly 8 is provided, and the lower mold assembly 8 is slidably connected with the slide bar 3, and the movement is smooth and stable.

[0032] Specifically, a side groove is provided at the upper end of the lower mold body 801, the upper end of the lower mold body 801 is matched with the stopper 2, and the groove 804 is matched with the stopper seat 6. The advantage is that, with the stopper 2, when the lower mold assembly 8 is used, the cylinder 4 is started to drive the lower mold body 801 to move upward until the lower mold body 801 is in close contact with the stopper 2, at which time the groove 804 of the lower mold body 801 is in close contact with the stopper seat 6, and the lower mold groove 803 is flush with the stopper seat 6, which is convenient for casting the suspension bracket product. After the product is formed, the cylinder 4 is started to drive the lower mold body 801 to move downward along the slide bar 3, and the suspension bracket product is ejected from the lower mold body 801 by the stopper seat 6 and the core pull rod 7, and the demoulding effect is good.

[0033] Specifically, the temperature control component 9 includes a circulation pipe 901, a connecting pipe 1 902, a solenoid valve 1 903, a connecting pipe 2 904, a solenoid valve 2 905, a delivery pump 1 906, a heat medium box 907, a refrigerant box 908, a delivery pump 2 909, a connecting pipe 3 910, a solenoid valve 3 911 and a solenoid valve 4 912. The input end of the circulation pipe 901 is fixedly connected to the connecting pipe 1 902, the outer side of the connecting pipe 1 902 is fixedly connected to the solenoid valve 1 903, and the front end of the connecting pipe 1 902 is fixedly connected to the connecting pipe 2 904, the outer side of the connecting pipe 2 904 is fixedly connected to the electromagnetic valve 2 905, the lower end of the connecting pipe 2 904 is fixedly connected to the output end of the delivery pump 1 906, the rear end of the delivery pump 1 906 is fixedly connected to the heat medium box 907, the rear end of the heat medium box 907 is fixedly connected to the cold medium box 908, the upper end of the cold medium box 908 is fixedly connected to the delivery pump 2 909, the output end of the delivery pump 2 909 is fixedly connected to the connecting pipe 3 910, and the outer side of the connecting pipe 3 910 is fixedly connected to the electromagnetic valve 3 911 and the electromagnetic valve 4 912. The advantage is that the temperature control component 9 is set, when the product is cast, the electromagnetic valve 2 905 and the electromagnetic valve 4 912 are started, the electromagnetic valve 1 903 and the electromagnetic valve 3 911 are closed, and the delivery pump 1 906 is started to pump the heat medium into the circulation pipe 901, uniformly preheating the lower mold body 801, reducing the temperature difference during the casting process, avoiding local overheating or overcooling, helping to reduce internal stress and improve the stability of the product.

[0034] Embodiment 2: Figure 2-7 As shown, as an improvement to the previous embodiment.

[0035] Specifically, the output end of the circulation pipe 901 is fixedly connected to the connection pipe 3 910, the solenoid valve 3 911 and the solenoid valve 4 912 are arranged on both sides of the output end of the circulation pipe 901, the front end of the connection pipe 3 910 is fixedly connected to the heat medium box 907, and the circulation pipe 901 is arranged inside the lower mold body 801. The advantage is that after the product is formed, the solenoid valve 1 903 and the solenoid valve 3 911 are started, the solenoid valve 2 905 and the solenoid valve 4 912 are closed, the refrigerant is pumped into the circulation pipe 901, the lower mold body 801 is evenly cooled, the opening of the solenoid valve 2 905, the solenoid valve 4 912, the solenoid valve 1 903 and the solenoid valve 3 911 can be adjusted, the solidification speed in the mold cavity is slowed down, the internal stress of the product is reduced, and the product can be evenly cooled, thereby improving the molding quality of the product.

[0036] Specifically, the upper mold assembly 10 includes an upper mold body 1001, a positioning block 1002, a punch 1003 and a gate 1004. The lower end of the upper mold body 1001 is fixedly connected to the positioning block 1002, the lower end of the upper mold body 1001 is provided with a punch 1003, and the upper end of the upper mold body 1001 is provided with a gate 1004. The advantage is that the upper mold assembly 10 is provided, and the upper mold body 1001 is slidably connected to the slide bar 3, which is convenient for alignment with the lower mold assembly 8.

[0037] Specifically, four gates 1004 are provided and the four gates 1004 are distributed at the four corners of the punch 1003, the positioning block 1002 is matched with the positioning groove 802, and the punch 1003 is matched with the lower mold groove 803. The advantage is that during casting, the upper mold body 1001 is in close contact with the lower mold body 801, at this time, the positioning block 1002 is inserted into the positioning groove 802, the punch 1003, the lower mold groove 803 and the core pull rod 7 form a mold cavity, and the casting liquid is evenly added from the gates 1004. The four gates 1004 make the casting liquid evenly fill the entire mold cavity.

[0038] Working principle: When in use, start the cylinder 4 to drive the lower mold body 801 to move upward until the lower mold body 801 is in close contact with the limit piece 2. At this time, the groove 804 of the lower mold body 801 is in close contact with the limit seat 6, and the lower mold groove 803 is flush with the limit seat 6. The upper mold body 1001 is in close contact with the lower mold body 801. At this time, the positioning block 1002 is inserted into the positioning groove 802, and the punch 1003, the lower mold groove 803 and the core pulling rod 7 form a mold cavity. Start the solenoid valve 2 905 and the solenoid valve 4 912, close the solenoid valve 1 903 and the solenoid valve 3 911, and start the delivery pump 1 906 to pump the heat medium into the circulation pipe 901, evenly preheat the lower mold body 801, reduce the temperature difference during the casting process, avoid local overheating or overcooling, and help reduce internal stress. To improve the stability of the product, the casting liquid is evenly added from the gate 1004. The four gates 1004 allow the casting liquid to evenly fill the entire mold cavity. After the product is formed, start the solenoid valve 1 903 and the solenoid valve 3 911, close the solenoid valve 2 905 and the solenoid valve 4 912, pump the refrigerant into the circulation pipe 901, and evenly cool the lower mold body 801. The opening of the solenoid valve 2 905, the solenoid valve 4 912, the solenoid valve 1 903 and the solenoid valve 3 911 can be adjusted to slow down the solidification speed in the mold cavity, reduce the internal stress of the product, ensure that the product can be evenly cooled, and improve the molding quality of the product. Start the cylinder 4 to drive the lower mold body 801 to move downward along the slide rod 3, and the suspension bracket product is ejected by the limit seat 6 and the core pulling rod 7 to separate from the lower mold body 801, and the demoulding effect is good.

[0039] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A mold structure for an automobile suspension bracket, comprising a base (1), characterized in that: The upper end of the base (1) is fixedly connected to a limit member (2), the upper end of the base (1) is fixedly connected to a slide rod (3), the upper end of the base (1) is fixedly connected to a cylinder (4), the upper end of the base (1) is fixedly connected to a push rod (5), the upper end of the push rod (5) is fixedly connected to a limit seat (6), the upper end of the limit seat (6) is fixedly connected to a core pulling rod (7), a lower mold assembly (8) is arranged above the base (1), a temperature control assembly (9) is arranged on the left side of the base (1), and an upper mold assembly (10) is arranged above the base (1).

2. A mold structure for an automobile suspension bracket according to claim 1, characterized in that: The lower mold assembly (8) comprises a lower mold body (801), a positioning groove (802), a lower mold groove (803) and a groove (804); the upper end of the lower mold body (801) is provided with a positioning groove (802); the upper end of the lower mold body (801) is provided with a lower mold groove (803); and the upper end of the lower mold groove (803) is provided with a groove (804).

3. The mold structure for an automobile suspension bracket according to claim 2, characterized in that: The upper end of the lower mold body (801) is provided with a side groove, the upper end of the lower mold body (801) is matched with the limiting member (2), and the groove (804) is matched with the limiting seat (6).

4. The mold structure for an automobile suspension bracket according to claim 1, characterized in that: The temperature control component (9) comprises a circulation pipe (901), a connecting pipe 1 (902), a solenoid valve 1 (903), a connecting pipe 2 (904), a solenoid valve 2 (905), a delivery pump 1 (906), a heat medium box (907), a refrigerant box (908), a delivery pump 2 (909), a connecting pipe 3 (910), a solenoid valve 3 (911) and a solenoid valve 4 (912), wherein the input end of the circulation pipe (901) is fixedly connected to the connecting pipe 1 (902), the outer side of the connecting pipe 1 (902) is fixedly connected to the solenoid valve 1 (903), and the front end of the connecting pipe 1 (902) is fixedly connected to the connecting pipe 2 (90 4), the outer side of the connecting pipe 2 (904) is fixedly connected to the solenoid valve 2 (905), the lower end of the connecting pipe 2 (904) is fixedly connected to the output end of the delivery pump 1 (906), the rear end of the delivery pump 1 (906) is fixedly connected to the heat medium box (907), the rear end of the heat medium box (907) is fixedly connected to the refrigerant box (908), the upper end of the refrigerant box (908) is fixedly connected to the delivery pump 2 (909), the output end of the delivery pump 2 (909) is fixedly connected to the connecting pipe 3 (910), and the outer side of the connecting pipe 3 (910) is fixedly connected to the solenoid valve 3 (911) and the solenoid valve 4 (912).

5. The mold structure for an automobile suspension bracket according to claim 4, characterized in that: The output end of the circulation pipe (901) is fixedly connected to the connecting pipe three (910), the solenoid valve three (911) and the solenoid valve four (912) are arranged on both sides of the output end of the circulation pipe (901), the front end of the connecting pipe three (910) is fixedly connected to the heat medium box (907), and the circulation pipe (901) is arranged inside the lower mold body (801).

6. The mold structure for an automobile suspension bracket according to claim 1, characterized in that: The upper mold assembly (10) comprises an upper mold body (1001), a positioning block (1002), a punch (1003) and a gate (1004); the lower end of the upper mold body (1001) is fixedly connected to the positioning block (1002); the lower end of the upper mold body (1001) is provided with a punch (1003); and the upper end of the upper mold body (1001) is provided with a gate (1004).

7. The mold structure for an automobile suspension bracket according to claim 6, characterized in that: The gates (1004) are provided with four gates (1004) distributed at the four corners of the punch (1003), the positioning block (1002) is matched with the positioning groove (802), and the punch (1003) is matched with the lower mold groove (803).

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