Core-pulling automobile part mold
By introducing distance and angle adjustment units into the core-pulling mold, the problem of existing molds being unable to adapt to complex automotive parts structures has been solved, thereby improving the accuracy and production efficiency of core pulling and meeting diverse production needs.
Patent Information
- Application Number
- CN202521045174.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-26
- Publication Date
- 2026-05-12
- Estimated Expiration
- 2035-05-26
AI Technical Summary
Existing core-pulling molds are unable to meet the diverse needs of complex automotive parts, resulting in incomplete core pulling, difficulty in demolding, and even mold damage and scrapping of parts, thus limiting the application scope and production efficiency of molds in the production of diverse automotive parts.
An adjustment assembly, including a distance adjustment unit and an angle adjustment unit, is adopted. The core tube is driven by an electric push rod to flexibly adjust the distance and angle, ensuring the accuracy and applicability of core pulling.
It improves the applicability and production efficiency of molds, reduces the frequency of mold replacement, lowers production costs, and enables quick switching to produce automotive parts of different specifications, meeting diverse and customized production needs.
Smart Images

Figure CN224222481U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of automobile manufacturing, in particular to a core-pulling automobile accessory mold. BACKGROUND
[0002] In the automobile industry, the shape of automobile accessories is increasingly complex. In order to realize the molding of special structures such as side holes and side recesses on the accessories, core-pulling molds are widely used.
[0003] After searching, patent No. CN215315621U discloses a core-pulling device suitable for an automobile accessory die-casting mold, which comprises a base, a fixed mold seat is fixedly arranged at the top end of the base, guide rods are fixedly arranged at the four corners of the top end of the base, limit plates are fixedly connected to the top ends of the guide rods, a fixed plate is slidably arranged on the guide rods, a movable mold seat is fixedly arranged at the bottom end of the fixed plate, vertical plates are fixedly arranged on the two sides of the fixed plate, motors are fixedly arranged on the sides of the vertical plates close to the movable mold seat, output ends of the motors are fixedly connected with screws, the other ends of the screws are rotatably connected with the sides of the movable mold seat adjacent to the movable mold seat, nut seats are threadedly rotatably arranged on the screws, and sliding blocks are fixedly arranged on the outer walls of the nut seats. The utility model has the advantages of simple structure, convenient use, convenient core-pulling of the mold in multiple directions, and improved practicality and applicability of the core-pulling device.
[0004] Although the above-mentioned patent realizes core-pulling of the mold in multiple directions, the angle of the core pipe is fixed, which has certain limitations. Since the structure of the existing automobile accessories is increasingly complex, the side holes, recesses and other features have diversified inclination angles and irregular shapes, so the angle of core-pulling needs to be different. The core pipe of the above-mentioned patent cannot adapt to the complex structure of the accessories, and the core-pulling is prone to be not in place, the accessories are prone to be difficult to demold, and even the mold is prone to be damaged and the accessories are prone to be scrapped, which greatly limits the application range and production efficiency of the mold in the production of diversified automobile accessories. Utility model content
[0005] In order to solve the above-mentioned problems, the application provides a core-pulling automobile accessory mold.
[0006] The core-pulling automobile accessory mold provided by the application adopts the following technical scheme:
[0007] The core-pulling automobile accessory mold comprises a mold body, a fixed plate arranged on one side of the mold body, a fixed mold seat arranged on one side of the mold body, two core pipes arranged at the bottom of the fixed plate, and an adjusting assembly arranged between the fixed plate and the two core pipes.
[0008] The adjusting assembly comprises a distance adjusting unit and an angle adjusting unit, the distance adjusting unit comprises a first electric push rod, and the first electric push rod is used for driving two core pipes to perform distance adjustment, and the angle adjusting unit comprises a second electric push rod, and the second electric push rod is used for performing angle adjustment on the core pipes.
[0009] Further, one side of the fixed plate is provided with a first electric push rod, a cavity is formed in the interior of the fixed plate, and an output end of the first electric push rod extends through and reaches the interior of the cavity.
[0010] Further, one side of the fixed plate is provided with a first electric push rod, a cavity is formed in the interior of the fixed plate, and an output end of the first electric push rod extends through and reaches the interior of the cavity.
[0011] Further, the bottom of each connecting seat is provided with a fixed block, and each core pipe is located below the corresponding fixed block, and the bottom of each fixed block is rotatably connected with one end of the corresponding second electric push rod.
[0012] Further, the top of each core pipe is connected with an adjusting rod, one side of each adjusting rod is provided with a sliding groove, and an output end of each second electric push rod is rotatably connected with a sliding block, and each sliding block is slidably connected with the corresponding sliding groove.
[0013] Further, the bottom of each fixed block is provided with a fixed seat, and the top end of each adjusting rod is rotatably connected with the corresponding fixed seat.
[0014] Through the above technical scheme, the applicability and production efficiency of the core-pulling automobile accessory mold can be improved.
[0015] Further, the top of the mold body is provided with a gas cylinder, and an output end of the gas cylinder is fixedly connected with one side of the fixed plate after penetrating through one side of the mold body.
[0016] Further, the interior of the fixed plate is provided with two limiting holes, and one side of the mold body is provided with two guide rods, and each guide rod penetrates through the corresponding limiting hole.
[0017] Through the above technical scheme, the accuracy of the core-pulling position of the core pipe can be guaranteed.
[0018] In summary, the present application has at least one of the following beneficial technical effects:
[0019] The utility model discloses a through adjusting assembly can promote the applicability and production efficiency of core -pulling automobile accessory mould, through distance adjusting unit can be according to automobile accessory side hole spacing flexible adjustment two core pipes's distance, whether it is close arrangement or spacing bigger side hole structure, can accurate adaptation, avoid because core pipe spacing improper leads to core -pulling failure or accessory damage, and through angle adjusting unit can then carry out real -time adjustment to core pipe core -pulling angle, to cope with each kind of tilt, irregular side hole, side recess on accessory, effectively guarantee the forming precision of complex structure accessory, like this not only reduced the replacement frequency of mould, reduced production cost, can improve production efficiency greatly too, make the mould can fast switching production different specifications' automobile accessory, satisfy the production demand of diversification, customization of automobile manufacturing industry. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the whole structure schematic diagram of the utility model's fixed plate;
[0022] Figure 3 It is the whole structure plan view of the utility model;
[0023] Figure 4 It is the fixed plate internal structure schematic diagram of the utility model;
[0024] Figure 5 It is the Figure 1 The structure enlarged view of A of the utility model.
[0025] Mark explanation: 1, mould body;2, fixed plate;3, fixed mould seat;4, first electric push rod;5, connecting seat;6, connecting rod;7, limit slot;8, fixed block;9, core pipe;10, second electric push rod;11, adjusting rod;12, sliding block;13, fixed seat;14, cavity;15, air cylinder;16, guide rod;17, limit hole;18, sliding slot. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application;Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments;Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of the present application.
[0027] Reference Figures 1-5A core-pulling automotive parts mold includes a mold body 1, a fixing plate 2 on one side of the mold body 1, a fixed mold base 3 on one side of the mold body 1, two core tubes 9 at the bottom of the fixing plate 2, and an adjustment component between the fixing plate 2 and the two core tubes 9.
[0028] The adjustment assembly includes a distance adjustment unit and an angle adjustment unit. The distance adjustment unit includes a first electric push rod 4, which is used to drive the two core tubes 9 to adjust the distance. The angle adjustment unit includes a second electric push rod 10, which is used to adjust the angle of the core tubes 9.
[0029] Reference Figures 1-5 A first electric push rod 4 is provided on one side of the fixed plate 2. A cavity 14 is opened inside the fixed plate 2. The output end of the first electric push rod 4 extends through into the cavity 14. A limiting groove 7 is opened on one side of the fixed plate 2. Connecting seats 5 are slidably connected to both sides of the limiting groove 7. Connecting rods 6 are rotatably connected to one side of each of the two connecting seats 5. One end of each of the two connecting rods 6 is rotatably connected to the output end of the first electric push rod 4. A fixing block 8 is provided at the bottom of each connecting seat 5. Each core tube 9 is located below the corresponding fixing block 8. The bottom of each fixing block 8 is rotatably connected to one end of the corresponding second electric push rod 10. An adjusting rod 11 is connected to the top of each core tube 9. A sliding groove 18 is opened on one side of each adjusting rod 11. A slider 12 is rotatably connected to the output end of each second electric push rod 10. Each slider 12 is slidably connected to the corresponding sliding groove 18. A fixing seat 13 is provided at the bottom of each fixing block 8. The top of each adjusting rod 11 is rotatably connected to the corresponding fixing seat 13.
[0030] In the die-casting production of automotive parts, when it is necessary to manufacture parts with complex structures such as automotive engine blocks and gearbox housings, these parts often have multiple side holes and side recesses with different spacing and angles. The distance adjustment unit can adjust the distance between the two core tubes 9 according to the core-pulling requirements. The specific operation method is as follows: First, start the first electric push rod 4, and its output end extends and retracts in the cavity 14 of the fixed plate 2, which drives the connecting rod 6 connected to it to swing, thereby pushing the connecting seat 5 in the limiting groove 7 to slide, so that the two connecting seats 5 move closer or further away from each other, so as to achieve precise adjustment of the distance between the two core tubes 9 in the horizontal direction to adapt to the side hole spacing requirements of different specifications of automotive parts.
[0031] At the same time, the second electric push rod 10 of the angle adjustment unit works synchronously, and its output end pushes the slider 12 to slide in the groove 18 of the adjustment rod 11, so that the core tube 9 rotates around the fixed seat 13, thereby adjusting the core tube 9 core pulling angle, thus meeting the production requirements of multi-angle core pulling of complex structure automotive parts, and ensuring the molding accuracy and production efficiency of parts.
[0032] Adjustable components enhance the applicability and production efficiency of core-pulling automotive parts molds. The distance adjustment unit allows for flexible adjustment of the distance between the two core tubes 9 based on the side hole spacing of the automotive parts. This ensures precise fit regardless of whether the side hole structures are closely spaced or have a large spacing, preventing core-pulling failure or part damage due to improper spacing of the core tubes 9. Furthermore, the angle adjustment unit allows for real-time adjustment of the core tube 9's core-pulling angle to accommodate various tilted, irregular side holes and recesses on the parts, effectively ensuring the molding accuracy of complex structural parts. This not only reduces the frequency of mold changes and lowers production costs but also significantly improves production efficiency, enabling the mold to quickly switch between producing automotive parts of different specifications, meeting the diverse and customized production needs of the automotive manufacturing industry.
[0033] Reference Figures 1-5 The top of the mold body 1 is provided with a cylinder 15. The output end of the cylinder 15 passes through one side of the mold body 1 and is fixedly connected to one side of the fixing plate 2. The fixing plate 2 has two limiting holes 17 inside. One side of the mold body 1 is provided with two guide rods 16, each of which passes through the corresponding limiting hole 17.
[0034] The cylinder 15 provides stable and powerful force for the movement of the fixed plate 2, enabling the core-pulling mechanism to open and close quickly and smoothly, effectively improving the production efficiency of the mold.
[0035] By cooperating with the guide rod 16 and the limiting hole 17, the movement trajectory of the fixing plate 2 can be precisely constrained, reducing its shaking and deviation during movement, ensuring the accuracy of the core tube 9 core pulling position, thereby improving the molding quality of automotive parts.
[0036] Working principle: In the die casting production of automotive parts, when it is necessary to manufacture parts with complex structures such as automotive engine blocks and gearbox housings, these parts often have multiple side holes and side recesses with different spacing and angles. The distance adjustment unit can adjust the distance between the two core tubes 9 according to the core pulling requirements. The specific operation method is as follows: First, start the first electric push rod 4, and its output end extends and retracts in the cavity 14 of the fixed plate 2, which drives the connecting rod 6 connected to it to swing, thereby pushing the connecting seat 5 in the limiting groove 7 to slide, so that the two connecting seats 5 move closer or further away from each other, so as to achieve precise adjustment of the distance between the two core tubes 9 in the horizontal direction to adapt to the side hole spacing requirements of different specifications of automotive parts.
[0037] At the same time, the second electric push rod 10 of the angle adjustment unit works synchronously, and its output end pushes the slider 12 to slide in the groove 18 of the adjustment rod 11, so that the core tube 9 rotates around the fixed seat 13, thereby adjusting the core tube 9 core pulling angle, thus meeting the production requirements of multi-angle core pulling of complex structure automotive parts, and ensuring the molding accuracy and production efficiency of parts.
[0038] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A core-pulling automotive parts mold, comprising a mold body (1), characterized in that, A fixing plate (2) is provided on one side of the mold body (1), a fixed mold base (3) is provided on one side of the mold body (1), two core tubes (9) are provided at the bottom of the fixing plate (2), and an adjustment component is provided between the fixing plate (2) and the two core tubes (9). The adjustment assembly includes a distance adjustment unit and an angle adjustment unit. The distance adjustment unit includes a first electric push rod (4), which is used to drive the two core tubes (9) to adjust the distance. The angle adjustment unit includes a second electric push rod (10), which is used to adjust the angle of the core tubes (9).
2. The core-pulling automotive parts mold according to claim 1, characterized in that: The fixing plate (2) has a first electric push rod (4) on one side, and a cavity (14) is opened inside the fixing plate (2). The output end of the first electric push rod (4) extends through into the cavity (14).
3. The core-pulling automotive parts mold according to claim 2, characterized in that: A limiting groove (7) is provided on one side of the fixed plate (2). Connecting seats (5) are slidably connected to both sides of the inner side of the limiting groove (7). Connecting rods (6) are rotatably connected to one side of each of the two connecting seats (5). One end of each of the two connecting rods (6) is rotatably connected to the output end of the first electric push rod (4).
4. The core-pulling automotive parts mold according to claim 3, characterized in that: Each of the connecting seats (5) has a fixing block (8) at its bottom. Each core tube (9) is located below the corresponding fixing block (8). The bottom of each fixing block (8) is rotatably connected to one end of the corresponding second electric push rod (10).
5. A core-pulling automotive parts mold according to claim 4, characterized in that: Each core tube (9) is connected to an adjusting rod (11) at its top. Each adjusting rod (11) has a groove (18) on one side. Each second electric push rod (10) has a slider (12) rotatably connected to its output end. Each slider (12) is slidably connected to the corresponding groove (18).
6. A core-pulling automotive parts mold according to claim 5, characterized in that: Each of the fixed blocks (8) has a fixed seat (13) at its bottom, and the top of each of the adjusting rods (11) is rotatably connected to the corresponding fixed seat (13).
7. A core-pulling automotive parts mold according to claim 1, characterized in that: The top of the mold body (1) is provided with a cylinder (15), and the output end of the cylinder (15) passes through one side of the mold body (1) and is fixedly connected to one side of the fixing plate (2).
8. A core-pulling automotive parts mold according to claim 1, characterized in that: The fixing plate (2) has two limiting holes (17) inside, and the mold body (1) has two guide rods (16) on one side, each of the guide rods (16) passing through the corresponding limiting hole (17).