Highlight injection mold for plastic ornament of electric vehicle

Abstract

The utility model provides an electric vehicle plastic ornament highlight injection mold which comprises a base and a top plate, a lower mold base is fixedly installed at the top end of the base, an upper mold base is fixedly installed at the bottom end of the top plate, a glue inlet hole is fixedly formed in the top end of the top plate, and a mold core is fixedly installed at the top end of the lower mold base. An annular flow guide groove is formed in the mold core, a rectangular groove is formed in the lower mold base, and a plurality of layers of annular cooling pipes are sequentially and fixedly installed in the rectangular groove from bottom to top. According to the highlight injection mold for the plastic ornament of the electric vehicle, the annular cooling pipe designed in an internal stacking mode is matched with the annular flow guide groove formed in the mold core, in the cooling process, the cooling efficiency is effectively improved, meanwhile, through the design of a double-heat-dissipation structure, the heat dissipation uniformity is ensured, and the phenomenon that due to uneven heat dissipation, the plastic ornament of the electric vehicle is damaged is avoided. The highlight effect of the plastic ornament of the electric vehicle is influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molds and relates to a high-gloss injection mold for plastic decorations of electric vehicles. Background Art

[0002] At present, during the production and processing of electric vehicles, electric vehicle plastic accessories are one of the important accessories of electric vehicles. During the production and processing of traditional electric vehicle plastic parts, they are mainly processed through injection molds.

[0003] During the processing of traditional electric vehicle plastic trim molds, there is no locking structure design. When the mold clamping accuracy of the upper mold base and the lower mold base is not high, the product accuracy of the electric vehicle plastic trim is affected. At the same time, the existing plastic trim molds mainly dissipate heat through water circulation. Due to the special-shaped structural design of plastic trims, when dissipating heat through water circulation, plastic trims are prone to local uneven heat dissipation, affecting the high-gloss effect of the plastic trim surface. For this reason, we designed a high-gloss injection mold for electric vehicle plastic trims to solve the above technical problems. Summary of the invention

[0004] The purpose of the utility model is to provide a high-gloss injection mold for electric vehicle plastic trims to solve the problems raised in the above-mentioned background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions: a high-gloss injection mold for electric vehicle plastic accessories, comprising a base and a top plate, a lower mold base is fixedly installed on the top end of the base, an upper mold base is fixedly installed on the bottom end of the top plate, a glue inlet hole is fixedly provided on the top end of the top plate, a mold core is fixedly installed on the top end of the lower mold base, an annular guide groove is provided inside the mold core, a rectangular groove is provided inside the lower mold base, multiple layers of annular cooling pipes are fixedly installed in sequence from bottom to top inside the rectangular groove, and a locking structure is provided between the four sides of the lower mold base and the four sides of the upper mold base.

[0006] In the above-mentioned high-gloss injection mold for electric vehicle plastic trim, the locking structure includes a locking lower block and a locking upper block. The four sides of the top of the lower mold base are provided with grooves, and the insides of the four grooves are fixedly installed with a locking lower block. The four sides of the bottom end of the upper mold base are fixedly provided with a locking upper block, and the locking lower block is locked with the locking upper block.

[0007] In the above-mentioned high-gloss injection mold for electric vehicle plastic trim, a locking block is fixedly provided at the center of the top of the locking lower block, and a locking groove is provided at the bottom of the locking upper block, and the locking block is nested in the locking groove.

[0008] In the above-mentioned high-gloss injection mold for electric vehicle plastic accessories, an installation groove is opened inside the locking mold lower block, and two connecting blocks are nested and connected inside the installation groove. Positioning columns are fixed on the sides of the two connecting blocks, and positioning holes are opened on both sides of the locking groove. One end of the positioning column passes through the installation groove and is nested and connected with the positioning hole.

[0009] In the above-mentioned high-gloss injection mold for electric vehicle plastic trim, a return spring is fixedly installed between the top and bottom of the two connecting blocks, a rotating cylinder is fixedly installed on one side wall of the mounting groove, a bidirectional cam is fixedly installed on the rotating end of the rotating cylinder, and the two ends of the bidirectional cam are in contact and connected with the centers of the two sides of the connecting block.

[0010] In the above-mentioned high-gloss injection mold for electric vehicle plastic trim, positioning guide pillars are fixedly installed at the four corners of the top of the lower mold base, and positioning guide grooves are opened at the four corners of the bottom of the upper mold base. The four positioning guide pillars are interlaced and connected with the positioning guide grooves.

[0011] In the above-mentioned high-gloss injection mold for electric vehicle plastic trim, a plurality of heat dissipation holes are equidistantly provided on both sides of the lower mold base, and the plurality of heat dissipation holes are connected to the interior of the rectangular groove.

[0012] Compared with the prior art, the advantages of the high-gloss injection mold for electric vehicle plastic trims of the utility model are:

[0013] 1. The high-gloss injection mold for electric vehicle plastic trim effectively improves the cooling efficiency during the cooling process through the cooperation of the internally superimposed annular cooling pipe and the annular guide groove opened inside the mold core. At the same time, the design of the double heat dissipation structure ensures the uniformity of heat dissipation and avoids affecting the high-gloss effect of electric vehicle plastic trim due to uneven heat dissipation.

[0014] 2. The clamping structure is set on the four sides of the lower mold base and the upper mold base. After the mold is closed, the clamping structure is tightly locked, which effectively ensures the stability of the clamping during the injection molding process, thereby improving the precision of the electric vehicle plastic accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a structural schematic diagram of a high-gloss injection mold for electric vehicle plastic accessories.

[0016] Figure 2 The utility model is a schematic diagram of the structure of the lower mold base of the high-gloss injection mold of the electric vehicle plastic decoration.

[0017] Figure 3 The utility model is a schematic diagram of the internal structure of the groove of the lower mold base of the high-gloss injection mold of the electric vehicle plastic decoration.

[0018] Figure 4The utility model is a schematic diagram of the connection structure between the clamping upper block and the clamping lower block of the high-gloss injection mold of the electric vehicle plastic decoration.

[0019] Figure 5 The utility model is a schematic diagram of the cross-sectional structure of the mold core of the high-gloss injection mold for electric vehicle plastic accessories.

[0020] In the figure, 1. base; 2. top plate; 3. lower mold base; 4. upper mold base; 5. heat dissipation hole; 6. groove; 7. locking lower block; 8. locking upper block; 9. glue inlet hole; 10. mold core; 11. positioning guide pin; 12. rectangular groove; 13. annular cooling pipe; 14. locking groove; 15. locking block; 16. positioning pin; 17. positioning hole; 18. rotating cylinder; 19. bidirectional cam; 20. mounting groove; 21. connecting block; 22. reset spring; 23. annular guide groove. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-5 As shown, the utility model high-gloss injection mold for electric vehicle plastic accessories includes a base 1 and a top plate 2, a lower mold base 3 is fixedly installed on the top of the base 1, an upper mold base 4 is fixedly installed on the bottom end of the top plate 2, a glue inlet hole 9 is fixedly installed on the top of the top plate 2, a mold core 10 is fixedly installed on the top of the lower mold base 3, an annular guide groove 23 is opened inside the mold core 10, a rectangular groove 12 is opened inside the lower mold base 3, and multiple layers of annular cooling pipes 13 are fixedly installed in sequence from bottom to top inside the rectangular groove 12, and locking structures are arranged between the four sides of the lower mold base 3 and the four sides of the upper mold base 4.

[0023] Specifically, the high-gloss injection mold for electric vehicle plastic accessories effectively improves the cooling efficiency during the cooling process through the cooperation of the internally superimposed annular cooling tube 13 and the annular guide groove 23 opened inside the mold core 10. At the same time, the design of the double heat dissipation structure ensures the uniformity of heat dissipation, avoiding the uneven heat dissipation that affects the high-gloss effect of the electric vehicle plastic accessories.

[0024] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the utility model is a high-gloss injection mold for electric vehicle plastic accessories. The locking structure includes a locking lower block 7 and a locking upper block 8. The four sides of the top of the lower mold base 3 are provided with grooves 6. The insides of the four grooves 6 are fixedly installed with the locking lower block 7. The four sides of the bottom end of the upper mold base 4 are fixedly provided with the locking upper block 8. The locking lower block 7 is locked with the locking upper block 8.

[0025] A locking block 15 is fixedly provided at the center of the top of the mold locking lower block 7 , and a locking groove 14 is provided at the bottom of the mold locking upper block 8 , and the locking block 15 is nested with the locking groove 14 .

[0026] A mounting groove 20 is provided inside the locking mold lower block 7, and two connecting blocks 21 are nested and connected inside the mounting groove 20. Positioning columns 16 are fixed on the sides of the two connecting blocks 21. Positioning holes 17 are provided on both sides of the locking groove 14. One end of the positioning column 16 passes through the mounting groove 20 and is nested and connected with the positioning hole 17.

[0027] A return spring 22 is fixedly installed between the top and bottom of the two connecting blocks 21, a rotating cylinder 18 is fixedly installed on one side wall of the mounting groove 20, and a bidirectional cam 19 is fixedly installed on the rotating end of the rotating cylinder 18, and both ends of the bidirectional cam 19 are in contact and connected with the centers of both sides of the connecting block 21.

[0028] Specifically, the rotation of the bidirectional cam 19 is driven by the rotating cylinder 18 , and the locking of the mold locking upper block 8 and the mold locking lower block 7 is controlled by the rotation of the bidirectional cam 19 and the cooperation of the return spring 22 .

[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, in the utility model high-gloss injection mold for electric vehicle plastic accessories, positioning guide pillars 11 are fixedly installed at the four corners of the top of the lower mold base 3, and positioning guide grooves are opened at the four corners of the bottom of the upper mold base 4, and the four positioning guide pillars 11 are interlaced and connected with the positioning guide grooves.

[0030] Specifically, the mold closing accuracy between the lower mold base 3 and the upper mold base 4 is improved through the cooperation between the positioning guide pillar 11 and the positioning guide groove.

[0031] A plurality of heat dissipation holes 5 are equidistantly formed on both sides of the lower die base 3 , and the plurality of heat dissipation holes 5 are connected to the interior of the rectangular groove 12 .

[0032] Specifically, the heat dissipation holes 5 can assist in heat dissipation.

[0033] In specific implementation, when using the high-gloss injection mold for plastic trim of electric vehicles, firstly, the annular cooling pipe 13 and the annular guide groove 23 are connected to the external water pipe, and then the injection mold is assembled with the injection molding machine. During injection molding, the upper mold base 4 and the lower mold base 3 are molded together. When the mold is closed, the locking block 15 and the locking groove 14 are nested. The rotary cylinder 18 is opened by the controller of the injection molding machine to rotate the rotary cylinder 18 90°. The two connecting blocks 21 are rotated and squeezed to move to both sides by the rotary cylinder 18. The connecting block 21 is moved to both sides so that the positioning column 16 on the side of the connecting block 21 is nested with the positioning hole 17, thereby tightly locking the upper mold base 4 and the lower mold base 3, thereby improving the precision of the plastic decorative parts. Then, the external water pump is turned on, and the cooling water circulates inside the annular cooling pipe 13 and the annular guide groove 23. The heat dissipation is dissipated through double circulation, which effectively improves the heat dissipation efficiency and ensures the cooling uniformity of the plastic trim, thereby ensuring the high-gloss effect of the plastic trim.

[0034] 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. A high-gloss injection mold for electric vehicle plastic trim, comprising a base (1) and a top plate (2), wherein a lower mold base (3) is fixedly mounted on the top end of the base (1), an upper mold base (4) is fixedly mounted on the bottom end of the top plate (2), and a glue inlet hole (9) is fixedly mounted on the top end of the top plate (2), characterized in that: A mold core (10) is fixedly installed at the top of the lower mold base (3), an annular guide groove (23) is provided inside the mold core (10), a rectangular groove (12) is provided inside the lower mold base (3), and multiple layers of annular cooling pipes (13) are fixedly installed in sequence from bottom to top inside the rectangular groove (12), and a locking structure is provided between the four sides of the lower mold base (3) and the four sides of the upper mold base (4).

2. The high-gloss injection mold for electric vehicle plastic trim according to claim 1, characterized in that: The mold locking structure comprises a mold locking lower block (7) and a mold locking upper block (8); the four sides of the top of the lower mold base (3) are provided with grooves (6); the insides of the four grooves (6) are fixedly installed with the mold locking lower block (7); the four sides of the bottom of the upper mold base (4) are fixedly provided with the mold locking upper block (8); the mold locking lower block (7) is locked with the mold locking upper block (8).

3. The high-gloss injection mold for electric vehicle plastic trim according to claim 2, characterized in that: A locking block (15) is fixedly provided at the center of the top of the locking lower block (7), and a locking groove (14) is provided at the bottom of the locking upper block (8), and the locking block (15) is nested in the locking groove (14).

4. The high-gloss injection mold for electric vehicle plastic trim according to claim 3, characterized in that: The locking mold lower block (7) has an installation groove (20) formed inside, and two connecting blocks (21) are nested and connected inside the installation groove (20). Positioning columns (16) are fixedly provided on the sides of the two connecting blocks (21). Positioning holes (17) are formed on both sides of the locking groove (14), and one end of the positioning column (16) passes through the installation groove (20) and is nested and connected with the positioning hole (17).

5. The high-gloss injection mold for electric vehicle plastic trim according to claim 4, characterized in that: A return spring (22) is fixedly installed between the top and bottom of the two connecting blocks (21); a rotating cylinder (18) is fixedly installed on one side wall of the installation groove (20); a bidirectional cam (19) is fixedly installed on the rotating end of the rotating cylinder (18); and both ends of the bidirectional cam (19) are in contact and connected with the centers of both sides of the connecting block (21).

6. The high-gloss injection mold for electric vehicle plastic trim according to claim 1, characterized in that: Positioning guide pillars (11) are fixedly installed at the four corners of the top end of the lower die seat (3), and positioning guide grooves are opened at the four corners of the bottom end of the upper die seat (4), and the four positioning guide pillars (11) are interlaced and connected with the positioning guide grooves.

7. The high-gloss injection mold for electric vehicle plastic trim according to claim 6, characterized in that: A plurality of heat dissipation holes (5) are equidistantly provided on both sides of the lower die base (3), and the plurality of heat dissipation holes (5) are connected to the interior of the rectangular groove (12).

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