Intelligent injection mold for electric vehicle instrument mask

Abstract

The intelligent injection mold comprises a lower mold body, an upper mold body, a mold top cover plate, two cushion blocks, a mold bottom plate and a hot pouring pipe, a transverse flow guide plate is arranged at the bottom end of a hot pouring opening, an electric preheating ring is installed in the transverse flow guide plate in an embedded mode, a flow guide hole is formed in one end of the transverse flow guide plate, and a flow guide groove is formed in the other end of the transverse flow guide plate. A sealing guide cover is arranged at the bottom end of the flow guide hole, one end of the sealing guide cover and a hot pouring pipe are integrally arranged, the hot pouring pipe penetrates through the upper mold body and communicates with an instrument mask injection molding upper mold cavity of the lower mold body, a temperature displayer is installed at the bottom of the front face of the upper mold body in an embedded mode, and a temperature measuring probe is arranged at the bottom end of the temperature displayer. And the temperature measuring probe is electrically connected with the temperature display. In the pouring process, the preheating effect is achieved through the transverse flow guide plate and the installed electric preheating ring, it is guaranteed that the enough sectional area supports flowing of plastic melt, meanwhile, pressure drop and heat loss are reduced, and the injection molding quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to an intelligent injection mold for an electric vehicle instrument cover. Background Art

[0002] Traditional electric vehicle instruments generally include three parts: an upper shell, a bottom shell and a transparent plate. The electric vehicle instrument is installed in the bottom shell, and the upper shell and the transparent plate are installed on the bottom shell. During assembly, the upper shell and the bottom shell are fixed with screws; the electric vehicle instrument cover needs to be manufactured using an injection mold. Prior art such as patent number CN202322281968.3, an injection molding mold for an electric vehicle instrument cover, includes a fixed mold plate and a movable mold plate, a cushion block, a runner plate, a fixed mold plate and a fixed mold insert are arranged under the fixed mold plate, a mold foot, an upper top plate, a lower top plate and a movable mold plate are arranged on the movable mold plate, an instrument cover cavity is arranged on the fixed mold insert, an instrument cover core module is arranged on the movable mold plate, an instrument cover main body core is arranged on the instrument cover core module, and corresponding assembly parts are arranged around the instrument cover main body core. a corresponding buckle slider is slidably arranged on the movable template, a buckle core is formed on the buckle slider, the buckle core is inserted into the instrument cover core module, and cooperates with the instrument cover main body core, the buckle core block cooperates with the instrument cover main body core, the three constitute the instrument cover core, the instrument cover core and the instrument cover cavity cooperate to constitute the mold cavity, and the instrument cover with undercuts and buckles is injection molded in the mold cavity; the buckle core block is demoulded by the inclined ejection mechanism, and the buckle core is demoulded by the outer sliding core pulling mechanism.

[0003] The above-disclosed injection mold has the following disadvantages: the pouring channel is located on the side, resulting in a longer flow path, a significant increase in pressure drop and heat loss, and the temperature change cannot be observed during the injection molding process. For this reason, we designed an intelligent injection mold for an electric vehicle instrument cover. Summary of the invention

[0004] The purpose of the utility model is to provide an intelligent injection mold for an electric vehicle instrument cover to solve the problems raised in the above background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions: an intelligent injection mold for an electric vehicle instrument cover, comprising a lower mold body, an upper mold body, a mold top cover plate, two cushion blocks, a mold bottom plate and a hot pouring pipe, wherein the top end of the lower mold body is provided with an upper mold cavity for injection of an instrument cover, the bottom end of the upper mold body is provided with a lower mold cavity for injection of an instrument cover, the top end of the upper mold body is fastened with bolts to the mold top cover plate, the top end of the mold top cover plate is provided with a hot pouring port, the top end of the mold bottom plate is fastened with the lower mold body through two cushion blocks, and the A transverse guide plate is provided at the bottom end of the hot pouring port, an electric preheating ring is embedded in the interior of the transverse guide plate, a guide hole is provided at one end of the transverse guide plate, a sealing guide cover is provided at the bottom end of the guide hole, one end of the sealing guide cover is integrated with the hot pouring pipe, and the hot pouring pipe passes through the upper mold body and is connected with the instrument cover injection upper mold cavity of the lower mold, a temperature display is embedded at the bottom of the front side of the upper mold body, a temperature measuring probe is provided at the bottom end of the temperature display, and the temperature measuring probe is electrically connected to the temperature display.

[0006] In the above-mentioned intelligent injection mold for the instrument cover of the electric vehicle, a limited locking structure is provided on one side of the front and the back of the lower mold body, and the limited locking structure includes two limit blocks and four locking bolts, and the two limit blocks are respectively located on the front and the back of the lower mold and connected by four locking bolts. The purpose of this arrangement is to make the connection between the lower mold body and the upper mold body firm, increase the firmness of the installation, and avoid excessive pressure during the injection molding process to cause the gap between the lower mold body and the upper mold body to change.

[0007] In the above-mentioned intelligent injection mold for the instrument cover of the electric vehicle, two symmetrical electric push rods are arranged at the top of the mold bottom plate, and the telescopic sections of the two electric push rods are connected to the movable part of the upper mold cavity of the instrument cover injection molding of the lower mold. The purpose of this arrangement is to use the electric push rods to achieve pushing movement, facilitate and quickly open the mold, and save worry and effort.

[0008] In the above-mentioned electric vehicle instrument cover intelligent injection mold, a plurality of core rods are arranged at the top of the mold bottom plate, and the ends of the plurality of core rods are located at the cavity of the instrument cover injection upper mold cavity. The purpose of such arrangement is to facilitate the injection molding of the electric vehicle instrument cover.

[0009] In the above-mentioned intelligent injection mold for the instrument cover of the electric vehicle, the four corners of the top of the lower mold body are provided with guide connection columns, and the upper mold body is connected to the lower mold body through the four guide connection columns, so that the upper mold cavity for injection of the instrument cover and the lower mold cavity for injection of the instrument cover are molded and connected. The purpose of this arrangement is to make the upper mold body and the lower mold body have good docking accuracy, so that the upper mold cavity for injection of the instrument cover and the lower mold cavity for injection of the instrument cover are molded accurately.

[0010] In the above-mentioned intelligent injection mold for the electric vehicle instrument cover, six holes are arranged on the front and back sides of the lower mold and the front and back sides of the upper mold, so as to achieve good ventilation effect and facilitate better heat dissipation.

[0011] Compared with the prior art, the advantages of the intelligent injection mold for the instrument cover of the electric vehicle of the utility model are as follows: by arranging a transverse guide plate at the bottom end of the hot pouring port, an electric preheating ring is embedded and installed inside the transverse guide plate, and the guide hole of the transverse guide plate is connected to the hot pouring pipe through a sealing guide cover, and the hot pouring pipe passes through the upper mold body and is connected to the specific instrument cover injection upper mold cavity of the lower mold. During the pouring process, the preheating effect is achieved through the transverse guide plate and the installed electric preheating ring, which not only ensures that there is sufficient cross-sectional area to support the flow of the plastic melt, but also reduces pressure drop and heat loss, thereby ensuring the quality of injection molding; by embedding and installing a temperature display at the bottom of the front side of the upper mold body, and setting a temperature measuring probe at the bottom end of the temperature display and electrically connecting it to the temperature display, during the injection molding process, it is convenient to intuitively observe the temperature change, and it is convenient to better judge the molding time. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a three-dimensional structural schematic diagram of an intelligent injection mold for an electric vehicle instrument cover.

[0013] Figure 2 The utility model is a schematic diagram of the specific three-dimensional structure of the lower mold of the intelligent injection mold for the electric vehicle instrument cover.

[0014] Figure 3 The utility model is a three-dimensional structural schematic diagram of a transverse guide plate of an intelligent injection mold for an electric vehicle instrument cover.

[0015] Figure 4 The utility model is a schematic diagram of the specific three-dimensional structure of the upper mold of the intelligent injection mold for the electric vehicle instrument cover.

[0016] Figure 5 This is a new intelligent injection mold for electric vehicle instrument cover Figure 1 Schematic diagram of the plan structure.

[0017] In the figure, 1. lower mold body; 2. upper mold body; 3. mold top cover plate; 4. hot pouring port; 5. cushion block; 6. mold bottom plate; 7. electric push rod; 8. core rod; 9. limit block; 10. locking bolt; 11. temperature display; 12. temperature measuring probe; 13. instrument cover injection molding upper mold cavity; 14. guide connecting column; 15. hot pouring pipe; 16. sealing guide cover; 17. lateral guide plate; 18. electric preheating ring; 19. guide hole; 20. instrument cover injection molding lower mold cavity; 21. hole position. DETAILED DESCRIPTION

[0018] The following are specific embodiments of the present invention and the accompanying drawings to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model is an intelligent injection mold for an electric vehicle instrument cover;

[0020] Embodiment 1: The injection mold includes a lower mold body 1, an upper mold body 2, a mold top cover plate 3, two cushion blocks 5, a mold bottom plate 6 and a hot pouring pipe 15. The top of the lower mold body 1 is provided with an instrument cover injection upper mold cavity 13, the bottom of the upper mold body 2 is provided with an instrument cover injection lower mold cavity 20, and the four corners of the top of the lower mold body 1 are provided with guide connecting columns 14. The upper mold body 2 is connected to the lower mold body 1 through the four guide connecting columns 14, so that the instrument cover injection upper mold cavity 13 and the instrument cover injection lower mold cavity 20 are molded and connected. The top of the upper mold body 2 is bolted to the mold top cover plate 3, the top of the mold top cover plate 3 is provided with a hot pouring port 4, the top of the mold bottom plate 6 is fastened to the lower mold body 1 through two pads 5; two symmetrical electric push rods 7 are provided at the top of the mold bottom plate 6, and the telescopic sections of the two electric push rods 7 are connected to the movable part of the instrument cover injection upper mold cavity 13 of the lower mold body 1; a plurality of core rods 8 are provided at the top of the mold bottom plate 6, and the ends of the plurality of core rods 8 are located at the mold cavity of the instrument cover injection upper mold cavity 13.

[0021] Embodiment 2: A transverse guide plate 17 is provided at the bottom end of the hot pouring port 4, an electric preheating ring 18 is embedded inside the transverse guide plate 17, a guide hole 19 is provided at one end of the transverse guide plate 17, a sealing guide cover 16 is provided at the bottom end of the guide hole 19, one end of the sealing guide cover 16 is integrated with the hot pouring pipe 15, and the hot pouring pipe 15 passes through the upper mold body 2 and communicates with the instrument cover injection upper mold cavity 13 of the lower mold body 1. Such a structural design achieves a preheating effect through the transverse guide plate 17 and the installed electric preheating ring 18 during the pouring process, which not only ensures sufficient cross-sectional area to support the flow of the plastic melt, but also reduces pressure drop and heat loss, thereby ensuring the quality of injection molding.

[0022] Embodiment three: A temperature display 11 is embedded in the bottom of the front side of the upper mold body 2, and a temperature measuring probe 12 is provided at the bottom of the temperature display 11. The temperature measuring probe 12 is electrically connected to the temperature display 11. Such a structural design facilitates intuitive observation of temperature changes during the injection molding process, and facilitates better judgment of the molding time.

[0023] In this embodiment, if Figure 1As shown, in order to enable the lower mold body 1 and the upper mold body 2 to be locked after the mold is closed and to prevent the internal pressure change from causing the upper mold body 2 and the lower mold body 1 to shake, a limiting locking structure is provided on one side of the front side and one side of the back side of the lower mold body 1. The limiting locking structure includes two limiting blocks 9 and four locking bolts 10. The two limiting blocks 9 are respectively located on the front side and the back side of the lower mold body 1 and are connected by four locking bolts 10.

[0024] In this embodiment, if Figure 5 As shown, in order to facilitate better ventilation and achieve heat dissipation molding, six hole positions 21 are provided on the front and back sides of the lower mold body 1 and the front and back sides of the upper mold body 2; among them, the six hole positions 21 located on the lower mold body 1 are three air inlet positions and three air outlet positions respectively; and at the same time, the six hole positions 21 located on the upper mold body 2 are three air inlet positions and three air outlet positions respectively.

[0025] Working principle: Figure 1 As shown, the upper mold body 2 is connected to the lower mold body 1 through four guide connecting columns 14, and the upper mold cavity 13 for the instrument cover injection and the lower mold cavity 20 for the instrument cover injection are connected by mold, the top of the upper mold body 2 is bolted to the mold top cover plate 3, and the top of the mold bottom plate 6 is bolted to the lower mold body 1 through two pads 5. The plastic melt is poured into the transverse guide plate 17 through the hot pouring port 4, and flows into the hot pouring pipe 15 through the guide hole 19 of the transverse guide plate 17. The electric preheating ring 18 installed on the transverse guide plate 17 realizes the preheating effect, reduces the pressure drop and heat loss, and the plastic melt is injected into the mold cavity formed by the upper mold cavity 13 for the instrument cover injection and the lower mold cavity 20 for the instrument cover injection through the hot pouring pipe 15. The electric vehicle instrument cover can be obtained by cooling and molding, and finally the mold opening operation is carried out, and the two electric push rods 7 provide power to realize the mold opening.

[0026] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The specific embodiments described in this article are only used to illustrate the spirit of the utility model. The technicians in the technical field of the utility model can make various modifications or supplements to the specific embodiments described or replace them in a similar way, but they will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.

Claims

1. An intelligent injection mold for an electric vehicle instrument cover, comprising a lower mold body (1), an upper mold body (2), a mold top cover plate (3), two cushion blocks (5), a mold bottom plate (6) and a hot pouring pipe (15), wherein the top end of the lower mold body (1) is provided with an instrument cover injection upper mold cavity (13), the bottom end of the upper mold body (2) is provided with an instrument cover injection lower mold cavity (20), the top end of the upper mold body (2) is bolt-fastened to the mold top cover plate (3), the top end of the mold top cover plate (3) is provided with a hot pouring port (4), the top end of the mold bottom plate (6) is fastened to the lower mold body (1) via two cushion blocks (5), and characterized in that: A transverse guide plate (17) is provided at the bottom end of the hot pouring port (4), an electric preheating ring (18) is embedded and installed inside the transverse guide plate (17), a guide hole (19) is provided at one end of the transverse guide plate (17), a sealing guide cover (16) is provided at the bottom end of the guide hole (19), one end of the sealing guide cover (16) is integrated with a hot pouring pipe (15), and the hot pouring pipe (15) passes through the upper mold body (2) and is connected to the instrument cover injection molding upper mold cavity (13) of the lower mold body (1), a temperature display (11) is embedded and installed at the bottom of the front of the upper mold body (2), a temperature measuring probe (12) is provided at the bottom end of the temperature display (11), and the temperature measuring probe (12) is electrically connected to the temperature display (11).

2. The intelligent injection mold for electric vehicle instrument cover according to claim 1, characterized in that: A limit locking structure is provided on one side of the front side and one side of the back side of the lower mold body (1), and the limit locking structure comprises two limit blocks (9) and four locking bolts (10). The two limit blocks (9) are respectively located on the front side and the back side of the lower mold body (1) and are connected by the four locking bolts (10).

3. The intelligent injection mold for electric vehicle instrument cover according to claim 1, characterized in that: Two symmetrical electric push rods (7) are arranged at the top of the mold bottom plate (6), and the telescopic sections of the two electric push rods (7) are connected to the movable part of the instrument cover injection molding upper mold cavity (13) of the lower mold body (1).

4. The intelligent injection mold for electric vehicle instrument cover according to claim 1, characterized in that: A plurality of core rods (8) are arranged at the top end of the mold bottom plate (6), and the ends of the plurality of core rods (8) are located at the mold cavity of the upper mold cavity (13) for injection molding of the instrument cover.

5. The intelligent injection mold for electric vehicle instrument cover according to claim 1, characterized in that: The four corners at the top of the lower mold body (1) are provided with guide connection columns (14), and the upper mold body (2) is connected to the lower mold body (1) via the four guide connection columns (14) so ​​that the instrument cover injection upper mold cavity (13) and the instrument cover injection lower mold cavity (20) are molded and connected.

6. The intelligent injection mold for electric vehicle instrument cover according to claim 1, characterized in that: The front and back sides of the lower mold body (1) and the front and back sides of the upper mold body (2) are each provided with six hole positions (21).

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