Carbon fiber rim forming die of aluminum die core

Abstract

The utility model belongs to the technical field of carbon fiber wheel rim dies, and particularly relates to a carbon fiber wheel rim forming die with an aluminum die core, which comprises an upper forming die and a lower forming die, a middle forming die is arranged between the upper forming die and the lower forming die, and the inner wall of the inner ring of the middle forming die is sleeved with the aluminum die core. The inner wall of the inner ring of the aluminum mold core is wrapped with a carbon fiber prefabricated rim. According to the carbon fiber rim forming mold of the aluminum mold core, the carbon fiber rim is directly integrally formed on the inner ring of the aluminum mold core, the step of using prefabrication forming equipment is omitted, intermediate links are reduced, and the whole production process is more concise and efficient; the traditional process of firstly prefabricating, then dismantling and placing in a mold again is avoided, the production period is greatly shortened, and the continuity and efficiency of a production line are improved; and the operation and maintenance cost of the prefabrication forming equipment is reduced, meanwhile, the operation of manual dismantling and re-placing is reduced, and the labor cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to carbon fiber wheel rim mould technical field especially relates to a carbon fiber wheel rim forming die of aluminium mould core. BACKGROUND

[0002] In the traditional carbon fiber wheel rim production process, there are some technical problems, which affect the production efficiency, product quality and cost control. First of all, the existing technology usually needs to be preliminarily formed by prefabricating forming equipment to the carbon fiber wheel rim, which not only increases the production steps, but also introduces the size deviation and shape error due to the subsequent need to remove and reposition in the mold for final forming, which reduces the precision and consistency of the product. Secondly, the multiple clamping and transfer operations not only prolong the production cycle, but also increase the operation and maintenance cost, and also increase the labor cost. In addition, the material damage and waste caused by the prefabrication and transfer process further increase the production cost. Therefore, a carbon fiber wheel rim forming die of aluminum mold core is needed. SUMMARY

[0003] Based on the existing technical problems, the utility model provides a carbon fiber wheel rim forming die of aluminum mold core.

[0004] The utility model provides a carbon fiber wheel rim forming die of aluminum mold core, including forming upper die and forming lower die, still be provided with forming middle die between forming upper die and forming lower die, the inner wall of the inner circle of forming middle die is sleeved with aluminium mould core, the inner wall of the inner circle of aluminium mould core is wrapped with carbon fiber prefabricated wheel rim, when closing mould, take the aluminium mould core wrapped with carbon fiber prefabricated wheel rim and place in the inner wall of the mould cavity of forming lower die, take forming middle die and install above the mould cavity of forming lower die along the outer circle of aluminium mould core, finally control forming upper die closing mould and pressing tightly.

[0005] The center of the forming upper die and the center of the forming lower die are provided with weight reduction holes.

[0006] Preferably, the bottom of the forming upper die is provided with a guide clamping groove, an upper die forming cavity and a pin positioning hole, respectively. A plurality of pin positioning holes are arranged in a surface annular array of the forming upper die. The outer surface of one end of the forming middle die is slidably inserted into the inner wall of the guide clamping groove.

[0007] Preferably, the top of the forming lower die is provided with a lower die forming cavity and a pin clamping hole, respectively. When the forming upper die and the forming lower die are installed, the pin positioning hole is inserted and guided into the pin clamping hole through the pin.

[0008] Preferably, the outer arc surface of the forming middle mold is fixedly provided with a plurality of supporting plate ears arranged in a ring shape.

[0009] Preferably, the ring shape of the forming middle mold is formed by four half-arc shapes connected end to end, and the top surface of the forming middle mold is further provided with auxiliary through holes which are limited by pin sleeves when the forming upper mold and the forming lower mold are installed.

[0010] Preferably, the surface of the aluminum mold core is in a ring shape, and the outer arc inner wall of the aluminum mold core is further provided with a process groove and a threading hole.

[0011] Preferably, the top side of the forming upper mold is further provided with a sliding block groove, a gas nozzle sliding block is slidingly inserted into the inner wall of the sliding block groove, and the bottom surface of the gas nozzle sliding block and the corresponding protrusion surface of the forming middle mold are both provided with a gas nozzle pressing hole.

[0012] The beneficial effects of the present application are as follows:

[0013] The device directly forms the carbon fiber wheel rim in the inner circle of the aluminum mold core, eliminating the step of using prefabricated molding equipment, reducing intermediate links, and making the entire production process more concise and efficient. The device avoids the traditional process of prefabrication, removal, and repositioning in the mold, greatly shortens the production cycle, improves the continuity and efficiency of the production line, reduces the operation and maintenance cost of the prefabricated molding equipment, and reduces the labor cost of manual removal and repositioning. The integrated molding process reduces the size deviation and shape error that may occur during multiple operations, improves the size accuracy and shape consistency of the product, and reduces material damage and waste that may occur during prefabrication and transfer. By reducing costs and improving product quality, the product's competitiveness in the market is enhanced, and greater economic benefits are brought to the enterprise. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic view of a carbon fiber wheel rim forming mold for an aluminum mold core.

[0015] Figure 2 It is a structural schematic view of a carbon fiber wheel rim forming mold for an aluminum mold core.

[0016] Figure 3 It is a structural schematic view of a carbon fiber wheel rim forming mold for an aluminum mold core.

[0017] Figure 4It is a kind of carbon fiber wheel rim forming die of aluminum mold core forming die middle die structure perspective exploded view;

[0018] Figure 5 It is a kind of carbon fiber wheel rim forming die of aluminum mold core forming die middle die structure perspective view;

[0019] Figure 6 It is a kind of carbon fiber wheel rim forming die of aluminum mold core forming die aluminum mold core structure perspective view;

[0020] Figure 7 It is a kind of carbon fiber wheel rim forming die of aluminum mold core forming die aluminum mold core structure top view.

[0021] In the figure: 1, forming upper die; 11, guiding clamping groove; 12, upper die forming cavity; 13, pin positioning hole; 2, forming lower die; 21, lower die forming cavity; 22, pin clamping hole; 3, forming middle die; 31, auxiliary through hole; 4, aluminum mold core; 41, process groove; 42, threading hole; 5, carbon fiber prefabricated wheel rim; 6, weight reduction hole; 7, supporting plate lug; 8, sliding block groove; 9, air nozzle sliding block; 10, air nozzle pressure connection hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described 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.

[0023] Reference Figures 1-7 A kind of carbon fiber wheel rim forming die of aluminum mold core, including forming upper die 1 and forming lower die 2, forming upper die 1 and forming lower die 2 between still be provided with forming middle die 3, the inner wall sleeve of forming middle die 3 inner circle is connected with aluminum mold core 4, the inner wall of the inner circle of aluminum mold core 4 is wrapped with carbon fiber prefabricated wheel rim 5, when closing die, take the aluminum mold core 4 wrapped carbon fiber prefabricated wheel rim 5 is placed in the cavity inner wall of forming lower die 2, take forming middle die 3 along the outer sleeve of aluminum mold core 4 It is installed above the cavity of forming lower die 2, finally control forming upper die 1 closes die and tightens.

[0024] The center of forming upper die 1 and the center of forming lower die 2 are both provided with weight reduction hole 6.

[0025] Forming upper die 1 bottom is respectively provided with guiding clamping groove 11, upper die forming cavity 12 and pin positioning hole 13, multiple pin positioning holes 13 are distributed in annular array with the surface of forming upper die 1, one end of the outer surface of forming middle die 3 is slidably inserted with the inner wall of guiding clamping groove 11.

[0026] Specifically, the guiding and clamping groove 11 can facilitate the quick guiding and positioning installation of the upper mold and the middle mold 3 in the operation, and the pin positioning hole 13 ensures the accurate alignment between the upper mold 1, the middle mold 3 and the lower mold 2, reduces the error during mold assembly, and improves the precision of the wheel rim forming.

[0027] The lower mold 2 is provided with a lower mold forming cavity 21 and a pin clamping hole 22 at the top, respectively. When the upper mold 1 and the lower mold 2 are installed, the pin positioning hole 13 is inserted and guided by the pin and the pin clamping hole 22.

[0028] Specifically, the pin clamping hole 22 and the pin positioning hole 13 are used for pin insertion and installation, which simplifies the mold assembly process and improves the assembly efficiency.

[0029] The outer circular arc surface of the middle mold 3 is fixedly provided with a plurality of plate ears 7, and the plate ears 7 are arranged in a ring array on the outer circular arc surface of the middle mold 3.

[0030] Specifically, the plate ear 7 helps to keep the shape and position stability of the middle mold 3, ensures that the mold will not displace in the high-temperature and high-pressure forming environment, prevents the carbon fiber from displacing during the forming process, ensures that the fiber is solidified according to the predetermined direction and arrangement, improves the performance of the wheel rim, and serves as an auxiliary point for demolding to help separate the mold and the formed wheel rim more easily.

[0031] The ring of the middle mold 3 is composed of four half-arc shapes connected end to end, and the top surface of the middle mold 3 is also provided with a plurality of auxiliary through holes 31 which are limited by the pin sleeve during the installation of the upper mold 1 and the lower mold 2.

[0032] Specifically, the cooperation of the auxiliary through hole 31 and the pin can accurately control the relative position between the upper mold 1, the middle mold 3 and the lower mold 2, ensure the alignment accuracy of the mold, and improve the forming precision of the product; the limiting action of the auxiliary through hole 31 and the pin can prevent the mold from being accidentally opened during the high-pressure forming process, improve the safety of the production process, and the four half-arc shapes connected end to end can achieve quick demolding during the later demolding operation.

[0033] The surface of the aluminum mold core 4 is ring-shaped, and the outer circular arc inner wall of the aluminum mold core 4 is also provided with a process groove 41 and a threading hole 42. Before the forming operation, a plurality of carbon fiber sheets are taken and sequentially stacked and attached to the inner circle of the aluminum mold core 4 to form a carbon fiber wheel rim preform.

[0034] Specifically, the aluminum mold core 4 is used in the forming process, the carbon fiber rim is directly formed on the inner ring of the aluminum mold core 4, the existing method of first forming the carbon fiber rim by the prefabricated forming equipment, then disassembling and placing in the mold for forming operation is avoided, and the forming process is simplified, the complex steps of first forming the carbon fiber rim by the prefabricated forming equipment, then disassembling and placing in the mold are avoided, and the production efficiency is improved.

[0035] The top side of the upper mold 1 is also provided with a sliding block groove 8, and the inner wall of the sliding block groove 8 is slidably connected with an air nozzle sliding block 9, and the bottom surface of the air nozzle sliding block 9 and the corresponding protrusion surface of the middle mold 3 are both provided with an air nozzle pressing hole 10.

[0036] Specifically, the design of the sliding block groove 8 and the air nozzle sliding block 9 achieves smooth cutting of the air pipe into the product, and good air tightness is ensured to ensure that there is no air pressure leakage during the forming process.

[0037] The device directly forms the carbon fiber rim on the inner ring of the aluminum mold core 4, eliminates the step of using the prefabricated forming equipment, reduces the intermediate links, makes the entire production process more simple and efficient, avoids the traditional process of prefabricating, disassembling and re-placing in the mold, greatly shortens the production cycle, improves the continuity and efficiency of the production line, reduces the operation and maintenance cost of the prefabricated forming equipment, reduces the manual disassembly and re-placing operation, reduces the labor cost, the one-piece forming process reduces the size deviation and shape error that may occur in multiple operations, improves the size accuracy and shape consistency of the product, directly forms on the aluminum mold core, reduces material damage and waste that may occur during prefabrication and transfer, reduces cost and improves product quality, enhances the competitiveness of the product in the market, and brings greater economic benefits to the enterprise.

[0038] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A carbon fiber wheel rim forming mold for an aluminum mold core, characterized by: The utility model relates to a moulding device, including forming upper die (1) and forming lower die (2), still be provided with forming middle die (3) between forming upper die (1) and forming lower die (2), the inner wall of the inner circle of forming middle die (3) is sleeved with aluminum mould core (4), the inner wall of the inner circle of aluminum mould core (4) is wrapped with carbon fiber prefabricated wheel rim (5), when closing, take the aluminum mould core (4) wrapped carbon fiber prefabricated wheel rim (5) and place in the inner wall of the mould cavity of forming lower die (2), take forming middle die (3) along the outer circle of aluminum mould core (4) and be installed above the mould cavity of forming lower die (2), finally control forming upper die (1) and close and press tightly, The center of the forming upper die (1) and the center of the forming lower die (2) are both provided with a weight-reducing hole (6).

2. A carbon fiber wheel rim forming mold for an aluminum mold core according to claim 1, characterized in that: The bottom of the forming upper die (1) is respectively provided with a guide clamping groove (11), an upper die forming cavity (12) and a pin positioning hole (13), a plurality of pin positioning holes (13) are arranged in a ring shape on the surface of the forming upper die (1), and the outer surface of one end of the forming middle die (3) is slidably inserted into the inner wall of the guide clamping groove (11).

3. A carbon fiber wheel rim forming mold for an aluminum mold core according to claim 2, characterized in that: The top of the forming lower die (2) is respectively provided with a lower die forming cavity (21) and a pin clamping hole (22), and when the forming upper die (1) and the forming lower die (2) are installed, the pin positioning hole (13) is inserted into the pin clamping hole (22) through the pin for guiding and installing.

4. The carbon fiber wheel rim forming mold for an aluminum mold core of claim 1, wherein: The outer arc surface of the forming middle die (3) is fixedly installed with a plurality of supporting plate ears (7), and the supporting plate ears (7) are arranged in a ring shape on the outer arc surface of the forming middle die (3).

5. The carbon fiber wheel rim forming mold for an aluminum mold core of claim 1, wherein: The forming middle die (3) is composed of four half-arc-shaped parts connected end to end, and the top surface of the forming middle die (3) is further provided with a plurality of auxiliary through holes (31) for limiting the pins during installation of the forming upper die (1) and the forming lower die (2).

6. The carbon fiber wheel rim forming mold for an aluminum mold core of claim 1, wherein: The surface of the aluminum mould core (4) is ring-shaped, the inner wall of the outer arc of the aluminum mould core (4) is further provided with a process groove (41), and the inner wall of the outer arc of the aluminum mould core (4) is further provided with a threading hole (42), before the forming operation, a plurality of carbon fiber sheets are taken and sequentially stacked on the inner circle of the aluminum mould core (4) to form a carbon fiber wheel rim prefabricated forming.

7. The carbon fiber wheel rim forming mold for an aluminum mold core of claim 2, wherein: The top side of the forming upper die (1) is further provided with a sliding block groove (8), a gas nozzle sliding block (9) is slidably inserted into the inner wall of the sliding block groove (8), and the bottom surface of the gas nozzle sliding block (9) and the corresponding protrusion surface of the forming middle die (3) are both provided with a gas nozzle pressing hole (10).

Images