A brake disc casting mold

Abstract

The utility model discloses a kind of brake disc casting mould, it includes: lower mould plate, upper mould plate is installed on lower mould plate, the upper surface of lower mould plate is equipped with receiving groove one, the inner wall of receiving groove one is slidably connected with mould core, the left and right sides of mould core are equipped with jack hole two, the sidewall of lower mould plate is equipped with jack hole one corresponding with the position of jack hole two, the sidewall of lower mould plate is equipped with the limiting component of plug-in cooperation with jack hole two, jack hole one, limiting component includes plug bolt, the sidewall of plug bolt is sleeved with fixed ring, spring is fixedly connected between the opposite surface of fixed ring and plug bolt shank, the inner wall bottom end of receiving groove one is equipped with receiving groove two, the inner wall of receiving groove two is fixedly connected with hydraulic cylinder, the movable end of hydraulic cylinder is threadedly connected with lifting chassis, the sidewall of lifting chassis and the inner wall of mould core are closely bonded. By being equipped with lower mould plate, limiting component, mould core, lifting chassis, mould core and lifting chassis can be separately disassembled and cleaned, avoid cleaning dead angle, improve cleaning efficiency.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts manufacturing technology, and in particular to a brake disc casting mold. Background Technology

[0002] A brake disc, simply put, is a round plate that rotates when the car is moving. The brake caliper clamps onto the brake disc to generate braking force; when you press the brake pedal, it's the caliper that clamps onto the brake disc to slow down or stop the car. Brake discs offer better braking performance and are easier to maintain than drum brakes.

[0003] As a key component of the automotive braking system, the quality of brake discs directly affects driving safety. In the production process of brake discs, the casting process is a crucial step that determines their shape, dimensional accuracy, and internal quality. Currently, most brake discs are cast using mold casting, which leads to the accumulation of slag on the mold core after long-term use. Traditional cleaning methods, such as high-pressure water jet washing, cannot thoroughly clean the mold core. Slag in some confined areas is difficult to remove completely with high-pressure water jets. Furthermore, the mold is quite heavy, making transportation during cleaning difficult and hindering demolding. Utility Model Content

[0004] To overcome the shortcomings of the existing technology, one of the objectives of this utility model is to provide a brake disc casting mold. Through the setting of the lower template, limiting components, mold core, and lifting chassis, the mold core and lifting chassis can be disassembled and cleaned separately, avoiding cleaning dead corners and improving cleaning efficiency. Through the setting of the storage groove, hydraulic cylinder, and retaining ring, the hydraulic cylinder pushes the lifting chassis to rise, pushing the formed brake disc out of the cavity of the mold core, completing the demolding. Demolding is convenient and improves processing efficiency.

[0005] One of the objectives of this utility model is achieved by the following technical solution: a brake disc casting mold, comprising: a lower template, on which an upper template is mounted; a receiving groove 1 is formed on the upper surface of the lower template; a mold core is slidably connected to the inner wall of the receiving groove 1; two insertion holes 2 are formed on both the left and right sides of the mold core; a receiving hole 1 corresponding to the position of the receiving hole 2 is formed on the side wall of the lower template; a limiting component is provided on the side wall of the lower template for insertion and removal cooperation with the receiving hole 2 and the receiving hole 1; the limiting component includes a plug; a fixing ring is sleeved on the side wall of the plug; a spring is fixedly connected between the fixing ring and the opposite face of the plug handle; a receiving groove 2 is formed at the bottom end of the inner wall of the receiving groove 1; a hydraulic cylinder is fixedly connected to the inner wall of the receiving groove 2; a lifting base is threadedly connected to the movable end of the hydraulic cylinder; and the side wall of the lifting base is tightly fitted with the inner wall of the mold core. The mold core and lifting chassis can be disassembled and cleaned separately by setting the lower template, limiting components, mold core, and lifting chassis, avoiding cleaning dead corners and improving cleaning efficiency. The hydraulic cylinder pushes the lifting chassis to rise through the set storage slot, hydraulic cylinder pushes the molded brake disc out of the mold core cavity, and completes demolding. Demolding is convenient and improves processing efficiency.

[0006] According to the aforementioned brake disc casting mold, a retaining ring is provided at the bottom of the inner wall of the mold core, and the upper surface of the retaining ring is in contact with the lower surface of the lifting chassis.

[0007] According to the aforementioned brake disc casting mold, a threaded connector is fixedly connected to the movable end surface of the hydraulic cylinder, and the bottom end of the lifting chassis is provided with a threaded groove that matches the threaded connector, facilitating the disassembly and assembly of the lifting chassis.

[0008] A brake disc casting mold is provided, wherein the side wall of the fixing ring is fixedly connected to the side wall of the lower template.

[0009] According to the aforementioned brake disc casting mold, the side wall of the plug is slidably connected to the inner walls of the first and second insertion holes.

[0010] According to the aforementioned brake disc casting mold, there are two insertion holes, which are arranged symmetrically on the left and right sides.

[0011] According to the aforementioned brake disc casting mold, the upper template has a through hole in the middle and bolts around its perimeter.

[0012] According to the aforementioned brake disc casting mold, the lower template is provided with threaded holes around its perimeter, and the threaded holes are adapted to the bolts on the upper template.

[0013] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0015] Figure 1 This is a perspective view of a brake disc casting mold according to the present invention;

[0016] Figure 2 This is a structural diagram of the lower template of a brake disc casting mold according to the present invention;

[0017] Figure 3 This is an exploded view of a brake disc casting mold according to the present invention.

[0018] Figure 4 for Figure 3 Enlarged view of the structure at point A in the middle;

[0019] Figure 5 This is a cross-sectional view of a brake disc casting mold according to the present invention;

[0020] Figure 6 This is a perspective view of the limiting component of a brake disc casting mold according to this utility model.

[0021] Legend:

[0022] 1. Upper template; 2. Lower template; 3. Limiting component; 4. Mold core; 5. Hydraulic cylinder; 6. Lifting chassis; 201. Storage slot one; 202. Storage slot two; 203. Insertion hole one; 301. Insert bolt; 302. Fixing ring; 303. Spring; 401. Retaining ring; 402. Insertion hole two; 501. Threaded connector; 601. Threaded groove. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] Reference Figure 1-6This utility model discloses a brake disc casting mold, comprising: a lower template 2, on which an upper template 1 is mounted. The upper template 1 has a through hole in the middle and bolts around its perimeter. The bolts can be standard hexagonal bolts of M12-M20 specifications. The upper and lower templates can be locked or separated by rotation. The lower template 2 has threaded holes around its perimeter. The threaded holes can be tapped to match the bolt specifications. The thread depth can be set to 1.2-1.5 times the bolt diameter to ensure connection strength. The threaded holes are compatible with the bolts on the upper template 1. By setting threaded holes around the lower template 2 and forming a threaded engagement with the bolts on the upper template 1, the templates are precisely positioned and stably connected by tightening the bolts when the mold is closed. The circumferential distribution design of the threaded connection ensures that the mold closing pressure is evenly transmitted to the lower template 2, avoiding the risk of deformation caused by local stress concentration. During demolding or cleaning, the upper and lower templates can be separated by reverse screwing of the bolts. Operators can directly clean and maintain the mold core 4 and the inside of the template. The threaded connection improves the efficiency of template disassembly and assembly, while avoiding casting residue problems caused by incomplete cleaning, extending the service life of the mold, and solving the problem of cleaning dead corners caused by the fixed structure of traditional integral molds.

[0025] The upper surface of the lower template 2 has a storage groove 201. The inner wall of the storage groove 201 is slidably connected to the mold core 4. The bottom end of the inner wall of the mold core 4 has a retaining ring 401. The upper surface of the retaining ring 401 is in contact with the lower surface of the lifting base 6. The left and right sides of the mold core 4 have insertion holes 402. The side wall of the lower template 2 has two insertion holes 203 corresponding to the positions of the insertion holes 402. The insertion holes 203 are symmetrically arranged. The side wall of the lower template 2 has a limiting component 3 that engages with the insertion holes 402 and 203. The retaining ring 401 is an annular structure surrounding the bottom end of the inner wall of the mold core 4. Specifically, the retaining ring 401 can be fixed to the bottom end of the inner wall of the mold core 4 by machining or welding. The width of the annular cross section of the retaining ring 401 can be adjusted according to the size of the mold core 4. For example, the width range can be 5 to 15 mm. Its function is to form a seal between the contact surface of the mold core 4 and the lifting base 6. After the lower surface of the lifting chassis 6 is attached to the upper surface of the retaining ring 401, the contact surface of the two forms a physical barrier layer, preventing molten metal or impurities from seeping into the gap between the mold core 4 and the chassis during the casting process.

[0026] The limiting component 3 includes a plug 301, a fixing ring 302 sleeved on the side wall of the plug 301, the side wall of the fixing ring 302 being fixedly connected to the side wall of the lower template 2, and a spring 303 being fixedly connected between the fixing ring 302 and the opposite face of the plug handle of the plug 301. A second storage groove 202 is provided at the bottom end of the inner wall of the first storage groove 201. The side wall of the plug 301 is slidably connected to the inner walls of the first insertion hole 203 and the second insertion hole 402. The limiting component 3 is a positioning device in which the plug 301 passes through the template and the mold core 4. It is implemented by a pin mechanism with the spring 303 pre-tightened. The plug 301 is kept in the inserted state under the action of the spring 303 to lock the position of the mold core 4 and prevent the mold core 4 from being accidentally displaced. When it is necessary to disassemble the mold core 4, the plug 301 is pulled outward to disengage it from the first insertion hole 203 and the second insertion hole 402, thereby releasing the lateral constraint on the mold core 4. The mold core 4 can be slid vertically upward along the storage groove for independent cleaning and maintenance;

[0027] A hydraulic cylinder 5 is fixedly connected to the inner wall of the storage slot 202. The storage slot 202 is the installation space located at the bottom of the lower template 2, used to fix the hydraulic cylinder 5 and provide it with working space. The movable end of the hydraulic cylinder 5 is threadedly connected to the lifting base 6. The side wall of the lifting base 6 is tightly fitted to the inner wall of the mold core 4. A threaded connector 501 is fixedly connected to the movable end surface of the hydraulic cylinder 5. The bottom end of the lifting base 6 is provided with a threaded groove 601 that matches the threaded connector 501. The lifting base 6 is a load-bearing component connected to the movable end of the hydraulic cylinder 5. It can be implemented by using a threaded disc structure. The threaded connection enables quick assembly and disassembly to match the shape of the inner wall of the mold core 4. The threaded connection allows the lifting base 6 to be disassembled separately, which is convenient for cleaning the residue on its contact surface with the mold core 4.

[0028] With the lower template 2, limiting component 3, mold core 4, and lifting base 6 configured, when the mold core 4 needs to be cleaned, after removing the upper template 1, pull the plug 301 outward. The spring 303 contracts, causing it to disengage from the second insertion hole 402 and release the limiting lock on the mold core 4. Then, start the hydraulic cylinder 5 to push the lifting base 6 out of the cavity of the mold core 4. Next, rotate and disassemble the lifting base 6 to disconnect it from the hydraulic cylinder 5. Finally, slide the mold core 4 out of the storage slot 201. The mold core 4 and the lifting base 6 can be cleaned separately, avoiding cleaning dead corners and improving cleaning efficiency. With the storage slot 202, hydraulic cylinder 5, and retaining ring 401 configured, during demolding, after removing the upper template 1, start the hydraulic cylinder 5 to push the lifting base 6 up, pushing the formed brake disc out of the cavity of the mold core 4 to complete demolding. Demolding is convenient and improves processing efficiency.

[0029] Working principle: During use, the upper template 1 and lower template 2 are assembled. Then, the casting liquid is injected into the cavity of the mold core 4 for casting. When demolding is completed, after removing the upper template 1, the hydraulic cylinder 5 is activated to push the lifting base 6 upward, pushing the formed brake disc out of the cavity of the mold core 4, thus completing the demolding. When the mold core 4 needs to be cleaned, after removing the upper template 1, the plug 301 is pulled outward, and the spring 303 retracts to disengage it from the second insertion hole 402, releasing the limiting lock on the mold core 4. Then, the hydraulic cylinder 5 is activated to push the lifting base 6 out of the cavity of the mold core 4. Next, the lifting base 6 is rotated and disassembled to disconnect it from the hydraulic cylinder 5. Finally, the mold core 4 is slid out of the storage slot 201. The mold core 4 and the lifting base 6 can be cleaned separately, avoiding cleaning dead corners and improving cleaning efficiency.

[0030] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A brake disc casting mold, comprising: The lower template (2) is characterized in that an upper template (1) is installed on the lower template (2), a storage groove (201) is opened on the upper surface of the lower template (2), a mold core (4) is slidably connected to the inner wall of the storage groove (201), and a second insertion hole (402) is opened on both the left and right sides of the mold core (4). A first insertion hole (203) corresponding to the position of the second insertion hole (402) is opened on the side wall of the lower template (2). A limiting component (3) is provided on the side wall of the lower template (2) for insertion and extraction cooperation with the second insertion hole (402) and the first insertion hole (203). The limiting component (3) includes a plug (301), a fixing ring (302) is sleeved on the side wall of the plug (301), and a spring (303) is fixed between the fixing ring (302) and the opposite face of the plug handle of the plug (301). The inner wall of the first storage slot (201) is provided with a second storage slot (202). A hydraulic cylinder (5) is fixedly connected to the inner wall of the second storage slot (202). The movable end of the hydraulic cylinder (5) is threadedly connected to a lifting chassis (6). The side wall of the lifting chassis (6) is tightly fitted to the inner wall of the mold core (4).

2. The brake disc casting mold according to claim 1, characterized in that, The inner wall of the mold core (4) is provided with a retaining ring (401), and the upper surface of the retaining ring (401) is in contact with the lower surface of the lifting chassis (6).

3. A brake disc casting mold according to claim 2, characterized in that, The movable end surface of the hydraulic cylinder (5) is fixed with a threaded connector (501), and the bottom end of the lifting chassis (6) is provided with a threaded groove (601) that is compatible with the threaded connector (501).

4. A brake disc casting mold according to claim 3, characterized in that, The side wall of the fixing ring (302) is fixedly connected to the side wall of the lower template (2).

5. A brake disc casting mold according to claim 4, characterized in that, The side wall of the plug (301) is slidably connected to the inner wall of the first socket (203) and the second socket (402).

6. A brake disc casting mold according to claim 5, characterized in that, There are two sockets (203), and they are arranged symmetrically on the left and right.

7. A brake disc casting mold according to claim 6, characterized in that, The upper template (1) has a through hole in the middle and bolts around it.

8. A brake disc casting mold according to claim 7, characterized in that, The lower template (2) is provided with threaded holes around its perimeter, and the threaded holes are adapted to the bolts on the upper template (1).

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