Injection mold for door trim

Abstract

The utility model relates to the technical field of door trim processing, in particular to an injection mold of a door trim, which comprises a base, fixing seats are arranged on two sides of the top end of the base, a lower mold is fixedly mounted at the top ends of the two fixing seats, and an upper mold is arranged right above the top end of the lower mold. Racks are fixedly installed on the two sides of the bottom end of the upper mold, and strip-shaped grooves are formed in the positions, close to the two sides of the racks, under the bottom ends of the lower mold. The lower mold, the upper mold, the racks, the gears, the threaded rods, the clamping blocks and the clamping grooves are used in cooperation, when the upper mold and the lower mold are closed, the racks at the bottom ends of the two sides of the upper mold can go deep into the strip-shaped grooves, then the gears are controlled to rotate, the threaded rods are driven to rotate when the gears rotate, and the clamping blocks are pushed out of the guide grooves when the threaded rods rotate; the plastic blocks are clamped in the clamping grooves in the outer sides of the plastic blocks until the plastic blocks are clamped in the clamping grooves in the outer sides of the plastic blocks, in this way, the plastic blocks are stable in structure during molding, and after molding, the plastic blocks recover to the movable state, so that rapid replacement is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of door trim strip processing, in particular to an injection mold for a door trim strip. Background Art

[0002] Door trims are decorative elements of doors, usually used to enhance the appearance and aesthetics of the door. The processing of door trims involves a variety of processes and tools, and the specific processing process may vary depending on the manufacturer and the design of the door.

[0003] The existing molds for door trim processing on the market must customize the shaping grooves in advance according to the specifications of the door trim to be produced, so that each mold can only produce door trims of the same specification. When the specifications of the door trim are changed, it is necessary to customize the appropriate mold again. For this reason, we propose an injection mold with door trims. Utility Model Content

[0004] The purpose of the utility model is to provide an injection mold for a door trim strip to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] Injection mold for door trim, including

[0007] A base, wherein both sides of the top of the base are provided with fixed seats, a lower mold is fixedly installed on the top of the two fixed seats, an upper mold is arranged just above the top of the lower mold, racks are fixedly installed on both sides of the bottom of the upper mold, and strip grooves are arranged just below the bottoms of both sides of the lower mold close to the racks, and gears are arranged inside the strip grooves;

[0008] A mounting groove is provided in the middle of the lower mold, a shaping block is arranged inside the mounting groove, clamping grooves are provided on both sides of the shaping block, guide grooves are provided on both sides of the lower mold close to the clamping groove, a clamping block is movably installed inside the guide groove, and one end of the gear is threadedly connected to the clamping block through a threaded rod.

[0009] Preferably, a pressure rod is fixedly connected to the bottom end of the rack, a connecting plate is fixedly installed in the middle of the top end of the base, a plurality of ejectors are arranged side by side in the middle of the connecting plate, and the plurality of ejectors are movably connected with the lower mold and the shaping block;

[0010] Preferably, a plurality of second springs are fixedly connected to the bottom end of the connecting plate, and the other ends of the plurality of second springs are fixedly connected to the connecting base;

[0011] Preferably, sleeves are fixedly installed at the four corners of the bottom end of the upper mold, and optical axes are fixedly installed at the four corners of the top end of the lower mold, and a first spring is arranged between the optical axis and the sleeve;

[0012] Preferably, a top plate is fixedly mounted on the top of the upper mold, and a pouring port is provided in the middle of the top plate and the upper mold;

[0013] Preferably, the rack is meshed with a gear.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The injection mold of the door trim is used in conjunction with the lower mold, the upper mold, the rack, the gear, the threaded rod, the block and the slot. When the upper mold and the lower mold are closed, the racks at the bottom of both sides of the upper mold will penetrate into the strip groove, and then control the rotation of the gear. When the gear rotates, it drives the threaded rod to rotate. When the threaded rod rotates, the block is pushed out from the inside of the guide groove until it is stuck in the slot on the outside of the shaping block. In this way, the shaping block structure is stable during shaping, and after shaping, the shaping block returns to a movable state, which is convenient for quick replacement.

[0016] 2. The injection mold of the door trim is used in conjunction with a pressure rod, a connecting plate, an ejector pin and a second spring. When the rack enters the strip groove, the pressure rod at the bottom end of the rack descends synchronously, thereby pressing down the connecting plate and compressing the second spring. At this time, the connecting plate will pull the ejector pin down synchronously until it is level with the bottom surface of the shaping groove. When the upper mold rises, the compressed second spring will lift the connecting plate, and the connecting plate controls the ejector pin to eject the shaped door trim strip from the shaping groove, thereby facilitating linked demoulding. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall main structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the gear installation structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the installation structure of the shaping block of the utility model;

[0020] Figure 4 For this utility model Figure 2 The enlarged schematic diagram of point A in the middle;

[0021] Figure 5 For this utility model Figure 3 A magnified schematic diagram of point B in the middle.

[0022] In the figure: 1. base; 2. fixing seat; 3. lower mold; 4. upper mold; 5. rack; 6. strip groove; 7. gear; 8. mounting groove; 9. shaping block; 10. slot; 11. guide groove; 12. block; 13. threaded rod; 14. pressure rod; 15. connecting plate; 16. ejector pin; 17. second spring; 18. sleeve; 19. optical axis; 20. first spring; 21. ejector plate; 22. pouring port. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "several" is two or more, unless otherwise clearly and specifically defined.

[0025] like Figure 1-5 As shown, a technical solution provided by the utility model:

[0026] The injection mold of the door trim includes a base 1, fixed seats 2 are arranged on both sides of the top of the base 1, a lower mold 3 is fixedly installed on the top of the two fixed seats 2, an upper mold 4 is arranged just above the top of the lower mold 3, racks 5 are fixedly installed on both sides of the bottom of the upper mold 4, strip grooves 6 are arranged just below the bottom of both sides of the lower mold 3 close to the rack 5, a gear 7 is arranged inside the strip groove 6, and the rack 5 is meshed with the gear 7; an installation groove 8 is opened in the middle of the lower mold 3, a shaping block 9 is arranged inside the installation groove 8, and a clamping groove 10 is opened on both sides of the shaping block 9, and a guide groove 11 is opened on both sides of the lower mold 3 close to the clamping groove 10, a clamping block 12 is movably installed inside the guide groove 11, and one end of the gear 7 is threadedly connected with the clamping block 12 through a threaded rod 13;

[0027] In this embodiment, when the upper mold 4 and the lower mold 3 are closed, the racks 5 at the bottom ends of both sides of the upper mold 4 will penetrate into the strip groove 6, and then control the gear 7 to rotate. When the gear 7 rotates, it drives the threaded rod 13 to rotate. When the threaded rod 13 rotates, the block 12 is pushed out from the inside of the guide groove 11 until it is inserted into the slot 10 on the outside of the shaping block 9. In this way, the shaping block 9 has a stable structure during shaping, and after shaping, the shaping block 9 returns to an active state, which is convenient for quick replacement.

[0028] like Figure 2 and Figure 4 As shown, a pressure rod 14 is fixedly connected to the bottom end of the rack 5, a connecting plate 15 is fixedly installed in the middle of the top of the base 1, and a plurality of ejector pins 16 are arranged side by side in the middle of the connecting plate 15, and the plurality of ejector pins 16 are movably connected with the lower mold 3 and the shaping block 9; a plurality of second springs 17 are fixedly connected to the bottom end of the connecting plate 15, and the other ends of the plurality of second springs 17 are fixedly connected to the connecting base 1;

[0029] In this embodiment, when the rack 5 enters the strip groove 6, the pressure rod 14 at the bottom end of the rack 5 descends synchronously, thereby pressing down the connecting plate 15 and compressing the second spring 17. At this time, the connecting plate 15 will pull the ejector pin 16 down synchronously until it is level with the bottom surface of the shaping groove. When the upper mold 4 is raised, the compressed second spring 17 will lift the connecting plate 15, and the connecting plate 15 controls the ejector pin 16 to eject the door trim strip that has been shaped inside the shaping groove, thereby achieving the purpose of facilitating linked demolding.

[0030] like Figure 1 As shown, sleeves 18 are fixedly installed at the four corners of the bottom end of the upper mold 4, and optical axes 19 are fixedly installed at the four corners of the top end of the lower mold 3. A first spring 20 is arranged between the optical axis 19 and the sleeve 18;

[0031] In this embodiment, when the pressure applied by the top of the upper mold 4 disappears, the compressed first spring 20 will lift the sleeve 18, lift the upper mold 4 back to its original position, and then it is convenient to take out the door trim strip shaped in the shaping block 9.

[0032] like Figure 1 As shown, a top plate 21 is fixedly installed on the top of the upper mold 4, and a pouring port 22 is opened in the middle of the top plate 21 and the upper mold 4;

[0033] In this embodiment, a pouring port 22 is provided at the middle of the top end of the upper mold 4, and the pouring port 22 is used to pour liquid material for processing the door molding.

[0034] Working principle: During operation, the upper mold 4 is controlled to descend, the top of the shaping block 9 is closed, and then the liquid raw material for door trim processing is poured from the position of the pouring port 22. When the raw material is shaped, the upper mold 4 can be controlled to rise. The shaping block 9 in this mold can be taken out from the top of the lower mold 3 when not in use. When it is necessary to replace the shaping block 9 of a different type, it can be directly taken out and replaced. When the upper mold 4 and the lower mold 3 are closed, the racks 5 at the bottom ends of both sides of the upper mold 4 will penetrate into the strip groove 6, and then the gear 7 is controlled to rotate. When the gear 7 rotates, it drives the threaded rod 13 to rotate. When the threaded rod 13 rotates, the block 12 is pushed out from the inside of the guide groove 11 until it is stuck in the slot 10 on the outside of the shaping block 9. In this way, the shaping block 9 has a stable structure during shaping, and after shaping, the shaping block 9 resumes its active state, which is convenient for quick replacement.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. The injection mold of the door trim is characterized by: include A base (1), wherein both sides of the top of the base (1) are provided with fixed seats (2), the tops of the two fixed seats (2) are fixedly mounted with lower molds (3), an upper mold (4) is arranged just above the top of the lower mold (3), racks (5) are fixedly mounted on both sides of the bottom of the upper mold (4), strip grooves (6) are arranged just below the bottoms of both sides of the lower mold (3) close to the racks (5), and gears (7) are arranged inside the strip grooves (6); The middle part of the lower mold (3) is provided with a mounting groove (8), a shaping block (9) is arranged inside the mounting groove (8), both sides of the shaping block (9) are provided with clamping grooves (10), both sides of the lower mold (3) close to the clamping groove (10) are provided with guide grooves (11), a clamping block (12) is movably installed inside the guide groove (11), and one end of the gear (7) is threadedly connected to the clamping block (12) through a threaded rod (13).

2. The injection mold for the door trim according to claim 1, characterized in that: The bottom end of the rack (5) is fixedly connected to a pressure rod (14), the middle part of the top end of the base (1) is fixedly installed with a connecting plate (15), the middle part of the connecting plate (15) is provided with a plurality of ejector pins (16) arranged side by side, and the plurality of ejector pins (16) are movably connected with the lower mold (3) and the shaping block (9).

3. The injection mold for the door trim according to claim 2, characterized in that: A plurality of second springs (17) are fixedly connected to the bottom end of the connecting plate (15), and the other ends of the plurality of second springs (17) are fixedly connected to the connecting base (1).

4. The injection mold for the door trim according to claim 1, characterized in that: The four corners of the bottom end of the upper mold (4) are fixedly mounted with sleeves (18), the four corners of the top end of the lower mold (3) are fixedly mounted with optical axes (19), and a first spring (20) is provided between the optical axis (19) and the sleeve (18).

5. The injection mold for the door trim according to claim 1, characterized in that: A top plate (21) is fixedly mounted on the top of the upper mold (4), and a pouring port (22) is provided in the middle of the top plate (21) and the upper mold (4).

6. The injection mold for the door trim according to claim 1, characterized in that: The rack (5) is meshed with the gear (7).

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