Injection mold for wood-grain automobile interior and exterior ornaments

Abstract

The utility model relates to the technical field of molds, and discloses a wood grain automobile interior and exterior ornament injection mold which comprises a lower mold and an upper mold, through grooves are formed in the two sides of the four edges of the upper side in the lower mold, the two sides of the interior of each through groove are fixedly connected with two telescopic pieces, and the corresponding ends of the telescopic pieces are fixedly connected with tooth groove plates. And a second spring is arranged outside the telescopic piece in a sleeving mode, tooth-shaped rods with the same position and number as the through grooves are fixedly connected to the four edges of the bottom of the upper die, the tooth-shaped rods are slidably connected into the through grooves, the tooth groove plates are connected to the outer portions of the tooth-shaped rods in a clamped mode, and inserting assemblies are fixedly connected to the four corners of the interior of the upper die. According to the utility model, the mold is quickly fastened and connected, the phenomenon that the appearance and the quality of finished ornament products do not reach the standard due to the fact that raw materials seep out due to gaps is avoided, the mold core is quickly and conveniently disassembled and replaced, different injection molding ornament products are added, and the applicability of the mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to an injection mold for wood-grain interior and exterior automotive trim parts. Background Art

[0002] The key to the design of an injection mold for automotive trim parts lies in precise mold manufacturing and material selection. High-strength steel or aluminum alloy is usually used as the mold material to ensure durability and precision. When designing, the shape complexity of the trim parts, surface treatment (such as wood-grain effect), and the control of temperature and pressure during the injection process need to be considered. The ultimate goal is to ensure that the trim parts have excellent appearance and suitable functional performance after molding.

[0003] The existing mold is sleeved with a protective device on the outer wall of the upper end of the feed port, so that when the feed port is not in use, it can avoid the situation of material discharge blockage and poor molding effect of the mold caused by foreign objects entering the inside of the feed port. However, it cannot ensure whether the connection between the upper and lower molds is tight, ensure sufficient injection pressure for the trim parts, and avoid raw material leakage due to gaps, resulting in unqualified appearance and quality of the trim part products. Therefore, an injection mold for wood-grain interior and exterior automotive trim parts is proposed to solve the above problems. Summary of the Utility Model

[0004] In order to make up for the above deficiencies, the utility model provides an injection mold for wood-grain interior and exterior automotive trim parts, aiming to improve the problem that in the prior art, it cannot ensure whether the connection between the upper and lower molds is tight, ensure sufficient injection pressure for the trim parts, and avoid raw material leakage due to gaps, resulting in unqualified appearance and quality of the trim part products.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: an injection mold for wood-grain interior and exterior automotive trim parts, including a lower mold and an upper mold. On both sides of the four sides of the upper side inside the lower mold, through grooves are opened. On both sides of the inside of each through groove, two telescopic members are fixedly connected. The corresponding ends of the telescopic members are fixedly connected with a toothed groove plate. A second spring is sleeved outside the telescopic member. On the bottom of the four sides of the upper mold, toothed rods with the same positions and quantities as the through grooves are fixedly connected. The toothed rods are slidably connected inside the through grooves. The toothed groove plate is snap-connected outside the toothed rods. At the four corners inside the upper mold, plug-in components are fixedly connected. The plug-in components are used to initially connect the lower mold and the upper mold.

[0006] As a further description of the above technical solution:

[0007] The inner parts of the lower die and the upper die are both snap - connected with die cores. Four corners at the bottom of each die core are fixedly connected with mounting blocks. Mounting holes are formed inside the mounting blocks. Fixed rods are slidably connected to the front and rear sides inside the lower die and the upper die. The fixed rods are slidably connected inside the mounting holes. One end of each fixed rod is fixedly connected with a connecting block, and the left part of one side of the connecting block is fixedly connected with an elastic clamping member.

[0008] As a further description of the above - mentioned technical solution:

[0009] The plug - in assembly includes plug rods. The plug rods are fixedly connected to the four corners inside the upper die. Four sides at the bottom of the upper die are fixedly connected with positioning blocks. Four corners inside the lower die are fixedly connected with fixed cores. The plug rods are snap - connected inside the fixed cores. Positioning grooves identical in position to the positioning blocks are formed in the upper sides of the four sides inside the lower die, and the positioning blocks are snap - connected inside the positioning grooves.

[0010] As a further description of the above - mentioned technical solution:

[0011] Moving grooves equal in number to the fixed rods are formed in the front and rear sides inside the lower die and the upper die. The moving grooves are formed on the left side of the elastic clamping member. The left side of the inner wall of the moving groove is fixedly connected with a first spring. The right end of the first spring is fixedly connected with a pressing block. One end of the pressing block is fixedly connected with a pulling block, and the other end of the pressing block is in fit connection with the left side of the elastic clamping member.

[0012] As a further description of the above - mentioned technical solution:

[0013] One end of the second spring is fixedly connected to both sides of the inner wall of the through - groove, and the other end of the second spring is fixedly connected to one side of the toothed groove plate.

[0014] As a further description of the above - mentioned technical solution:

[0015] A material injection pipe is fixedly connected inside the upper die.

[0016] As a further description of the above - mentioned technical solution:

[0017] The pressing block is slidably connected inside the moving groove, and the elastic clamping member is snap - connected inside the moving groove.

[0018] As a further description of the above - mentioned technical solution:

[0019] The toothed groove plate is slidably connected inside the through - groove.

[0020] The utility model has the following beneficial effects:

[0021] 1. In the present utility model, by moving the upper mold to connect with the lower mold, the insertion rod is inserted into the interior of the fixed core. At the same time, the positioning block is inserted into the interior of the positioning groove, and the toothed rod is driven to be inserted into the interior of the through groove, so as to extrude the toothed groove plate and make the toothed rod completely inserted into the interior of the through groove. And under the action of the telescopic member and the second spring, the toothed groove plate is clamped outside the toothed rod, realizing rapid fastening connection of the mold, avoiding the existence of gaps for raw materials to ooze out, resulting in unqualified appearance and quality of the finished decorative parts.

[0022] 2. In the present utility model, by pulling the pulling block, the extrusion block is driven and the first spring is pulled at the same time, so as to extrude the protruding part of the elastic clamping member out of the interior of the moving groove. At the same time, the connecting block is pulled, so that the fixing rod is moved out of the interior of the mounting hole, and the elastic clamping member is driven to move out of the interior of the mold, realizing rapid and convenient disassembly and replacement of the mold core, increasing different injection-molded decorative parts products, and improving the applicability of the mold. Description of the Drawings

[0023] Figure 1 Is the three-dimensional view of the injection mold for wood grain automotive interior and exterior decorative parts proposed by the present utility model;

[0024] Figure 2 Is the exploded view of the injection mold for wood grain automotive interior and exterior decorative parts proposed by the present utility model;

[0025] Figure 3 Is the cross-sectional view of the lower mold of the injection mold for wood grain automotive interior and exterior decorative parts proposed by the present utility model;

[0026] Figure 4 Is Figure 3 The enlarged view at A in

[0027] Figure 5 Is the schematic diagram of the internal structure of the upper mold of the injection mold for wood grain automotive interior and exterior decorative parts proposed by the present utility model;

[0028] Figure 6 Is Figure 5 The enlarged view at B in

[0029] Legend Explanation:

[0030] 1. Lower mold; 2. Upper mold; 3. Injection pipe; 4. Insertion rod; 5. Mold core; 6. Mounting block; 7. Mounting hole; 8. Connecting block; 9. Pulling block; 10. Extrusion block; 11. First spring; 12. Moving groove; 13. Elastic clamping member; 14. Fixing rod; 15. Toothed rod; 16. Through groove; 17. Toothed groove plate; 18. Telescopic member; 19. Second spring; 20. Fixed core; 21. Positioning groove; 22. Positioning block. Detailed Implementation Manner

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] Referring to Figure 2 , Figure 3 , Figure 4 , an embodiment provided by the present utility model: an injection mold for wood-grain interior and exterior automotive trim parts, including a lower mold 1 and an upper mold 2. On both sides of the upper side of the interior of the lower mold 1, through grooves 16 are provided on both sides of the four sides. On both sides of the interior of the through grooves 16, two telescopic members 18 are fixedly connected. The corresponding ends of the telescopic members 18 are fixedly connected with a toothed groove plate 17. A second spring 19 is sleeved outside the telescopic member 18. On the bottom of the four sides of the upper mold 2, toothed rods 15 with the same position and quantity as the through grooves 16 are fixedly connected. The toothed rods 15 are slidably connected inside the through grooves 16. The toothed groove plate 17 is snap-connected outside the toothed rods 15. At the four corners of the interior of the upper mold 2, plug-in components are fixedly connected. The plug-in components are used to preliminarily connect the lower mold 1 and the upper mold 2. The toothed groove plate 17 is slidably connected inside the through groove 16; one end of the second spring 19 is fixedly connected to both sides of the inner wall of the through groove 16, and the other end of the second spring 19 is fixedly connected to one side of the toothed groove plate 17;

[0033] The plug-in component includes a plug rod 4. The plug rod 4 is fixedly connected to the four corners of the interior of the upper mold 2. On the bottom of the four sides of the upper mold 2, positioning blocks 22 are fixedly connected. At the four corners of the interior of the lower mold 1, fixed cores 20 are fixedly connected. The plug rod 4 is snap-connected inside the fixed core 20. On the upper side of the four sides of the interior of the lower mold 1, positioning grooves 21 with the same position as the positioning blocks 22 are provided. The positioning blocks 22 are snap-connected inside the positioning grooves 21; a material injection pipe 3 is fixedly connected to the interior of the upper mold 2.

[0034] By moving the upper mold 2 to be connected with the lower mold 1 so that the plug rod 4 is inserted into the fixed core 20, and at the same time the positioning block 22 is inserted into the positioning groove 21, and driving the toothed rod 15 to be inserted into the through groove 16, so as to extrude the toothed groove plate 17, and simultaneously extrude the telescopic member 18 and the second spring 19, so that they generate a resilience force, so that the toothed rod 15 is completely inserted into the through groove 16. Under the resilience force of the telescopic member 18 and the second spring 19, the toothed groove plate 17 is pushed to be snap-connected outside the toothed rod 15, so as to quickly and firmly connect the mold, avoiding the existence of gaps for the raw materials to seep out, resulting in unqualified appearance and quality of the trim part finished products; the raw materials are injected into the mold through the material injection pipe 3 for injection molding.

[0035] Referring to Figure 1 , Figure 5 ,Figure 6 , a mold core 5 is snap - connected inside both the lower mold 1 and the upper mold 2. Installation blocks 6 are fixedly connected to the four corners of the bottom of the mold core 5. Installation holes 7 are opened inside the installation blocks 6. Fixed rods 14 are slidably connected to the front and rear sides inside the lower mold 1 and the upper mold 2. The fixed rods 14 are slidably connected inside the installation holes 7. One end of the fixed rod 14 is fixedly connected to a connection block 8. An elastic clamping member 13 is fixedly connected to the left part of one side of the connection block 8;

[0036] Moving grooves 12 with the same number as the fixed rods 14 are opened on the front and rear sides inside the lower mold 1 and the upper mold 2. The moving grooves 12 are opened on the left side of the elastic clamping member 13. A first spring 11 is fixedly connected to the left side inner wall of the moving groove 12. The right end of the first spring 11 is fixedly connected to a pressing block 10. One end of the pressing block 10 is fixedly connected to a pulling block 9. The other end of the pressing block 10 is in fitting connection with the left side of the elastic clamping member 13; The pressing block 10 is slidably connected inside the moving groove 12, and the elastic clamping member 13 is snap - connected inside the moving groove 12.

[0037] By pulling the pulling block 9, the pressing block 10 is driven to squeeze the protruding part of the elastic clamping member 13. At the same time, the first spring 11 is pulled to generate a resilience force, moving the protruding part of the elastic clamping member 13 out of the inside of the moving groove 12. At the same time, the connection block 8 is pulled, causing the fixed rod 14 to slide inside the installation hole 7 and separate from the installation block 6. At the same time, the elastic clamping member 13 is driven out of the inside of the mold, and then the mold core 5 can be pulled out and separated from the mold, achieving rapid and convenient disassembly and replacement, increasing different injection - molded decorative parts products, and improving the applicability of the mold.

[0038] Working principle: When the mold needs to be used, by moving the upper mold 2 to connect with the lower mold 1, the insertion rod 4 is inserted into the inside of the fixed core 20. At the same time, the positioning block 22 is inserted into the positioning groove 21, and the toothed rod 15 is driven to be inserted into the through - groove 16, squeezing the toothed - groove plate 17 so that the toothed rod 15 is completely inserted into the through - groove 16. And under the action of the telescopic member 18 and the second spring 19, the toothed - groove plate 17 is snap - connected to the outside of the toothed rod 15, realizing rapid and firm connection of the mold, avoiding the existence of gaps for raw materials to seep out, resulting in unqualified appearance and quality of the decorative part finished product;

[0039] By pulling the pulling block 9, the pressing block 10 is driven and the first spring 11 is pulled at the same time, squeezing the protruding part of the elastic clamping member 13 out of the inside of the moving groove 12. At the same time, the connection block 8 is pulled, causing the fixed rod 14 to move out of the inside of the installation hole 7, and driving the elastic clamping member 13 out of the inside of the mold, realizing rapid and convenient disassembly and replacement of the mold core 5, increasing different injection - molded decorative parts products, and improving the applicability of the mold.

[0040] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A wood grain automobile interior and exterior trim injection mold, comprising a lower mold (1) and an upper mold (2), characterized in that: The lower mold (1) is provided with through grooves (16) on both sides of the inner upper side of the four sides, and two telescopic members (18) are fixedly connected to the inner sides of the through groove (16), and the corresponding ends of the telescopic members (18) are fixedly connected to toothed plates (17), and the outer sides of the telescopic members (18) are sleeved with second springs (19). The bottom four sides of the upper mold (2) are fixedly connected to toothed rods (15) with the same position and number as the through groove (16), and the toothed rods (15) are slidably connected to the inner side of the through groove (16), and the toothed plates (17) are snap-connected to the outer side of the toothed rods (15). The inner four corners of the upper mold (2) are fixedly connected to plug-in components, and the plug-in components are used to make a preliminary connection between the lower mold (1) and the upper mold (2).

2. The wood grain automobile interior and exterior trim injection mold according to claim 1, characterized in that: The lower mold (1) and the upper mold (2) are both snap-fitted with a mold core (5), the four bottom corners of the mold core (5) are fixedly connected with a mounting block (6), a mounting hole (7) is provided inside the mounting block (6), the lower mold (1) and the upper mold (2) are both slidably connected with a fixing rod (14) on both the front and rear sides, the fixing rod (14) is slidably connected inside the mounting hole (7), one end of the fixing rod (14) is fixedly connected with a connecting block (8), and a left side of one side of the connecting block (8) is fixedly connected with an elastic clamp (13).

3. The wood grain automobile interior and exterior trim injection mold according to claim 2, characterized in that: The plug-in assembly comprises an insert rod (4), the insert rod (4) being fixedly connected to the four inner corners of the upper mold (2), the four bottom sides of the upper mold (2) being fixedly connected to positioning blocks (22), the four inner corners of the lower mold (1) being fixedly connected to a fixed core (20), the insert rod (4) being snap-fitted to the inside of the fixed core (20), the upper sides of the four inner sides of the lower mold (1) being provided with positioning grooves (21) at the same position as the positioning blocks (22), and the positioning blocks (22) being snap-fitted to the inside of the positioning grooves (21).

4. The wood grain automobile interior and exterior trim injection mold according to claim 1, characterized in that: The lower mold (1) and the upper mold (2) are provided with movable grooves (12) on both the front and rear sides thereof, the number of which is the same as that of the fixed rods (14); the movable grooves (12) are provided on the left side of the elastic clamp (13); a first spring (11) is fixedly connected to the left side of the inner wall of the movable groove (12); the right end of the first spring (11) is fixedly connected to an extrusion block (10); one end of the extrusion block (10) is fixedly connected to a pulling block (9); and the other end of the extrusion block (10) is fittedly connected to the left side of the elastic clamp (13).

5. The wood grain automobile interior and exterior trim injection mold according to claim 1, characterized in that: One end of the second spring (19) is fixedly connected to both sides of the inner wall of the through groove (16), and the other end of the second spring (19) is fixedly connected to one side of the tooth groove plate (17).

6. The wood grain automobile interior and exterior trim injection mold according to claim 1, characterized in that: An injection pipe (3) is fixedly connected to the interior of the upper mold (2).

7. The wood grain automobile interior and exterior trim injection mold according to claim 4, characterized in that: The extrusion block (10) is slidably connected inside the movable groove (12), and the elastic clamp (13) is snap-connected inside the movable groove (12).

8. The wood grain automobile interior and exterior trim injection mold according to claim 1, characterized in that: The tooth groove plate (17) is slidably connected inside the through groove (16).

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