Automobile lamp injection mold easy to demold

Abstract

The utility model discloses an automobile lamp injection mold easy to demold, which comprises a lower mold plate, a lower mold is arranged on the top surface of the lower mold plate, a lower mold groove is formed in the middle of the lower mold, a top groove is formed in the middle of the lower mold groove, a demolding assembly is slidably connected in the top groove, clamping holes are formed in the periphery of the surface of the lower mold, and the clamping holes are connected with the lower mold. And a connecting rod is inserted into the clamping hole, an upper mold is fixedly connected to the top end of the connecting rod, and an upper mold plate is fixedly connected to the top face of the upper mold. Through the arrangement of the demolding assembly, the vibration assembly and the pressing block, the injection-molded automobile lamp can be quickly separated from the mold, and the problems that the demolding time is prolonged and the demolding between the lower mold and the molded product is difficult due to the fact that the molded product is left in the upper mold when the automobile lamp is molded slowly in the injection molding process and demolding is performed are avoided; and the quality of the automobile lamp formed product is improved, and the demolding efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle lamp molds, in particular to an injection mold for automobile vehicle lamps that is easy to demold. Background Technique

[0002] Vehicle lamps refer to the lamps on vehicles. They are tools for illuminating the road when the vehicle is driving at night and also tools for giving various vehicle driving signal prompts. Vehicle lamps are generally divided into headlamps, tail lamps, turn signals, etc. When producing automobile vehicle lamps, raw materials need to be injected into the mold cavity, the molds are combined together, and after the raw materials are cooled and solidified, a formed product is obtained. The injection mold is the main component to complete the injection molding.

[0003] Patent document: CN213830164U proposes an injection mold for processing automobile vehicle lamp covers, including a base. A buffer pad is provided on the top of the base. The top of the buffer pad is connected with a lower mold mounting plate. The top of the lower mold mounting plate is connected with a lower mold. A lower mold cavity is provided on the top of the lower mold. Slide holes are provided at the four corners of the lower mold mounting plate. Slide rods are provided in the slide holes, and the bottom of the slide rods is fixedly connected to the base. Support rods are fixedly connected to the positions of the four corners of the top of the base. The top of the support rods is fixedly connected with a top plate. A hydraulic rod is installed at the bottom of the top plate. The bottom of the hydraulic rod is connected with an upper mold mounting plate. The bottom of the upper mold mounting plate is connected with an upper mold. An upper mold cavity is provided at the bottom of the upper mold. A ejector plate is provided at the bottom of the lower mold cavity. The bottom of the ejector plate is connected with a ejector rod. This injection mold for processing automobile vehicle lamp covers reduces the impact force on the mold during mold closing to protect the mold and extend the service life of the mold.

[0004] However, when this device is in use, only the hydraulic rod is used to demold the formed product. When the mold is opened after injection molding, the formed product may remain in the upper mold, increasing the demolding time and making it inconvenient to improve the demolding efficiency. Content of the Utility Model

[0005] The main purpose of the utility model is to provide an injection mold for automobile vehicle lamps that is easy to demold, which can effectively solve the problem in the background technique that when in use, only the hydraulic rod is used to demold the formed product, and when the mold is opened after injection molding, the formed product may remain in the upper mold, increasing the demolding time and making it inconvenient to improve the demolding efficiency.

[0006] To achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0007] An easy-to-demold injection mold for automobile headlights, including a lower template, wherein an upper mold is arranged on the top surface of the lower template, a lower mold groove is opened in the middle of the lower mold, a top groove is opened in the middle of the lower mold groove, a demolding component is slidably connected inside the top groove, clamping holes are opened on the periphery of the surface of the lower mold, a connecting rod is inserted into the clamping holes, and the top end of the connecting rod is fixedly connected with an upper mold;

[0008] The top surface of the upper mold is fixedly connected with an upper template, a vibration component is fixedly connected to one side of the upper mold, pressing blocks are fixedly connected to both sides of the bottom surface of the upper mold, mounting holes are opened on the peripheries of the surfaces of the lower template and the upper template, mounting sleeve columns are inserted into the mounting holes, and a quick-installation component is fixedly connected to the inner bottom wall of the mounting sleeve columns;

[0009] Preferably, the demolding component includes a top block slidably connected to the top groove, a top rod is fixedly connected to the bottom end of the top block, and a connecting plate is fixedly connected to the bottom end of the top rod;

[0010] Preferably, a plurality of reset springs are fixedly connected to the bottom surface of the connecting plate, a fixing plate is fixedly connected to the bottom ends of the reset springs, and connecting blocks are fixedly connected to both sides of the surface of the connecting plate;

[0011] Preferably, grooves are opened in the middle of both sides of the surface of the lower mold, and the grooves are adapted to the connecting blocks and the pressing blocks;

[0012] Preferably, the vibration component includes a vibration motor fixedly connected to one side of the upper mold, a transmission rod is splined to the output end of the vibration motor, and an eccentric block is fixedly connected to one end of the transmission rod;

[0013] Preferably, a plurality of clamping beads are arranged inside the mounting sleeve column, a plurality of limiting holes are opened on the surface of the mounting sleeve column, and the clamping beads are adapted to the limiting holes;

[0014] Preferably, the quick-installation component includes a support spring fixedly connected to the inner bottom wall of the mounting sleeve column, and a pressing column is fixedly connected to the top end of the support spring;

[0015] Preferably, a thin column is fixedly connected to the top end of the pressing column, and a quick-installation column is fixedly connected to the top end of the thin column.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] 1. With the setting of the demoulding component, vibration component and pressing block, when in use, the upper die and the lower die are combined, the pressing block is inserted into the groove, the connecting block is pressed, the return spring deforms and contracts, the ejector rod contracts, the ejector block closes the ejector groove, plastic raw materials are injected, the vibration motor is started, and the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block is used to obtain the exciting force, so that the raw materials are quickly filled, its fluidity is increased, the bubbles are reduced and the density of the formed product is increased. And when demoulding, the vibration can help the formed product to be more easily separated from the upper die. After cooling and solidifying, the upper die rises, the return spring rises, pushes the ejector rod, and the ejector block ejects the formed product from the lower die groove, so as to quickly separate the automobile headlight after injection molding from the mold, avoiding the slow forming of the automobile headlight during the injection molding process and when demoulding, the formed product remains in the upper die, increasing the demoulding time and the difficulty of demoulding between the lower die and the formed product, which is likely to cause damage to the formed product, improving the quality of the formed product of the automobile headlight and the demoulding efficiency;

[0018] 2. With the setting of the mounting sleeve column, quick-installation component and clamping beads, when in use, the lower template and the upper template of the injection mold need to be installed on the corresponding injection equipment respectively. First, press the quick-installation column, the supporting spring is pressed down, the clamping beads are retracted into the thin column, align with the installation hole of the injection equipment, release the quick-installation column, the supporting spring rises, and the pressing column pushes the clamping beads out of the limiting hole to fix it. When it needs to be disassembled, operate in the same way, so as to achieve the function of quickly installing or replacing different injection molds, avoiding the need for a lot of time to install or replace the injection mold during use, and improving the convenience of installation. Description of the Drawings

[0019] Figure 1 It is the overall structure schematic diagram of the present utility model;

[0020] Figure 2 It is the structural schematic diagram of the demoulding component of the present utility model;

[0021] Figure 3 It is the structural schematic diagram of the quick-installation component of the present utility model;

[0022] Figure 4 It is the structural schematic diagram of the upper template of the present utility model;

[0023] Figure 5 It is the structural schematic diagram of the vibration component of the present utility model.

[0024] In the figure: 1. Lower template; 2. Lower mold; 3. Lower mold cavity; 4. Demolding component; 401. Top block; 402. Top rod; 403. Connecting plate; 404. Return spring; 405. Fixed plate; 406. Connecting block; 5. Connecting rod; 6. Upper mold; 7. Upper template; 8. Vibration component; 801. Vibration motor; 802. Eccentric block; 9. Pressing block; 10. Mounting sleeve column; 11. Quick installation component; 1101. Support spring; 1102. Pressing column; 1103. Thin column; 1104. Quick installation column; 12. Ball Specific implementation mode

[0025] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0026] Please refer to Figures 1 - 5 , the present invention provides a technical solution: an easy-to-demold injection mold for automobile headlights, including a lower template 1. The top surface of the lower template 1 is provided with a lower mold 2. A lower mold cavity 3 is opened in the middle of the lower mold 2. A top groove is opened in the middle of the lower mold cavity 3. A demolding component 4 is slidably connected inside the top groove. Through the settings of the demolding component 4, the vibration component 8 and the pressing block 9, the automobile headlights after injection molding are quickly separated from the mold, avoiding the slow forming of the automobile headlights during the injection molding process and when demolding, the formed product remaining in the upper mold 6, increasing the demolding time and the difficulty of demolding between the lower mold 2 and the formed product, which is likely to cause damage to the formed product, improving the quality of the formed product of the automobile headlights and the demolding efficiency; Card holes are opened on the periphery of the surface of the lower mold 2, a connecting rod 5 is inserted into the card holes, and the top end of the connecting rod 5 is fixedly connected with an upper mold 6;

[0027] The top surface of the upper mold 6 is fixedly connected with an upper template 7. A vibration component 8 is fixedly connected to one side of the upper mold 6. Pressing blocks 9 are fixedly connected to both sides of the bottom surface of the upper mold 6. Mounting holes are opened on the periphery of the surfaces of the lower template 1 and the upper template 7. Mounting sleeve columns 10 are inserted into the mounting holes. The inner bottom wall of the mounting sleeve column 10 is fixedly connected with a quick installation component 11. Through the settings of the mounting sleeve column 10, the quick installation component 11 and the ball 12, the function of quickly installing or replacing different injection molds is achieved, avoiding the need for a large amount of time for installing or replacing injection molds during use, and improving the convenience of installation.

[0028] Please refer to Figure 2, the demolding assembly 4 includes a top block 401 slidably connected to the top groove. A top rod 402 is fixedly connected to the bottom end of the top block 401, and a connecting plate 403 is fixedly connected to the bottom end of the top rod 402; a plurality of reset springs 404 are fixedly connected to the bottom surface of the connecting plate 403, and the bottom ends of the reset springs 404 are fixedly connected to a fixing plate 405. Connecting blocks 406 are fixedly connected to both sides of the surface of the connecting plate 403; grooves are formed in the middle of both sides of the surface of the lower mold 2, and the grooves are adapted to the connecting blocks 406 and the pressing blocks 9;

[0029] Through the arrangement of the demolding assembly 4 and the pressing block 9, during use, when the upper mold 6 and the lower mold 2 are combined, the pressing block 9 is inserted into the groove, the connecting block 406 is pressed, the reset spring 404 is deformed and contracts, the top rod 402 contracts, the top block 401 closes the top groove, plastic raw material is injected, after cooling and solidifying, the upper mold 6 rises, the reset spring 404 rises, pushes the top rod 402, and the top block 401 ejects the formed product from the lower mold cavity 3, making it easier for the formed product to fall off the mold.

[0030] Please refer to Figure 5 , the vibration assembly 8 includes a vibration motor 801 fixedly connected to one side of the upper mold 6. The output end of the vibration motor 801 is spline-connected with a transmission rod, and an eccentric block 802 is fixedly connected to one end of the transmission rod.

[0031] Through the arrangement of the vibration assembly 8, during use, after mold closing, plastic raw material is injected, the vibration motor 801 is started, and the exciting force is obtained by the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block 802, so that the raw material is quickly filled, its fluidity is increased, bubbles are reduced and the density of the formed product is increased, and during demolding, the vibration feeling can help the formed product to be more easily separated from the upper mold 6.

[0032] Please refer to Figure 3 , Figure 4 , a plurality of clamping beads 12 are arranged inside the mounting sleeve column 10, a plurality of limiting holes are formed on the surface of the mounting sleeve column 10, and the clamping beads 12 are adapted to the limiting holes; the quick-installation assembly 11 includes a support spring 1101 fixedly connected to the inner bottom wall of the mounting sleeve column 10, and a pressing column 1102 is fixedly connected to the top end of the support spring 1101; a thin column 1103 is fixedly connected to the top end of the pressing column 1102, and a quick-installation column 1104 is fixedly connected to the top end of the thin column 1103;

[0033] Through the settings of the installation sleeve column 10, quick installation component 11 and clamping beads 12, during use, the lower template 1 and the upper template 7 of the injection mold need to be installed on the corresponding injection equipment respectively. First, press the quick installation column 1104, the supporting spring 1101 is pressed down, the clamping bead 12 is received at the thin column 1103, aligned with the installation hole of the injection equipment, then release the quick installation column 1104, the supporting spring 1101 rises, and the pressing column 1102 pushes the clamping bead 12 out of the limit hole to fix it. When disassembly is required, operate in the same way;

[0034] Working principle: During use, the lower template 1 and the upper template 7 of the injection mold need to be installed on the corresponding injection equipment respectively. First, press the quick installation column 1104, the supporting spring 1101 is pressed down, the clamping bead 12 is received at the thin column 1103, aligned with the installation hole of the injection equipment, then release the quick installation column 1104, the supporting spring 1101 rises, and the pressing column 1102 pushes the clamping bead 12 out of the limit hole to fix it. When disassembly is required, operate in the same way, thus achieving the function of quickly installing or replacing different injection molds, avoiding the need for a large amount of time to install or replace the injection mold during use, and improving the convenience of installation;

[0035] During use, after mold closing, inject plastic raw materials, start the vibration motor 801, and obtain the exciting force by the centrifugal force generated by the high-speed rotation of the shaft and the eccentric block 802, so that the raw materials are quickly filled, increasing their fluidity, reducing bubbles and increasing the density of the formed product. And during demolding, the vibration sensation can help the formed product more easily separate from the upper mold 6; the upper mold 6 and the lower mold 2 are combined, the pressing block 9 is inserted into the groove, press the connecting block 406, make the return spring 404 deform and contract, the ejector rod 402 contracts, the ejector block 401 closes the ejector groove, inject plastic raw materials, after cooling and solidifying, the upper mold 6 rises, the return spring 404 rises, pushes the ejector rod 402, and the ejector block 401 ejects the formed product from the lower mold cavity 3, making the formed product more easily fall off the mold, thus quickly separating the injection-molded car headlight from the mold, avoiding the slow forming of the car headlight during the injection process and during demolding, the formed product staying in the upper mold 6, increasing the demolding time and the difficulty of demolding between the lower mold 2 and the formed product, which is likely to cause damage to the formed product, improving the quality of the formed product of the car headlight and improving the demolding efficiency. The above is the working process of the entire device, and the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0036] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold for automotive headlights with easy demolding, including a lower template (1), characterized in that; The top surface of the lower template (1) is provided with a lower mold (2). A lower mold groove (3) is opened in the middle of the lower mold (2). A top groove is opened in the middle of the lower mold groove (3). A demolding component (4) is slidably connected inside the top groove. Card holes are opened on the periphery of the surface of the lower mold (2), and a connecting rod (5) is inserted into the card holes. The top end of the connecting rod (5) is fixedly connected with an upper mold (6). The top surface of the upper mold (6) is fixedly connected with an upper template (7). A vibration component (8) is fixedly connected to one side of the upper mold (6). Pressure blocks (9) are fixedly connected to both sides of the bottom surface of the upper mold (6). Installation holes are opened on the periphery of the surfaces of the lower template (1) and the upper template (7), and installation sleeve columns (10) are inserted into the installation holes. A quick installation component (11) is fixedly connected to the inner bottom wall of the installation sleeve column (10).

2. The injection mold for automobile headlights with easy demolding according to claim 1, wherein: The demolding component (4) includes a top block (401) slidably connected to the top groove. A top rod (402) is fixedly connected to the bottom end of the top block (401). A connecting plate (403) is fixedly connected to the bottom end of the top rod (402).

3. The injection mold for automobile headlights with easy demolding according to claim 2, characterized in that: A plurality of reset springs (404) are fixedly connected to the bottom surface of the connecting plate (403). The bottom ends of the reset springs (404) are fixedly connected to a fixing plate (405). Connecting blocks (406) are fixedly connected to both sides of the surface of the connecting plate (403).

4. The injection mold for automotive headlights with easy demolding according to claim 1, characterized in that: Grooves are opened in the middle of both sides of the surface of the lower mold (2), and the grooves are adapted to the connecting blocks (406) and the pressure blocks (9).

5. The injection mold for automobile headlights with easy demolding according to claim 1, characterized in that: The vibration component (8) includes a vibration motor (801) fixedly connected to one side of the upper mold (6). The output end of the vibration motor (801) is spline-connected with a transmission rod, and an eccentric block (802) is fixedly connected to one end of the transmission rod.

6. The injection mold for automobile headlamps with easy demolding according to claim 1, characterized in that: A plurality of beads (12) are arranged inside the installation sleeve column (10). A plurality of limiting holes are opened on the surface of the installation sleeve column (10), and the beads (12) are adapted to the limiting holes.

7. The injection mold for automotive headlights with easy demolding according to claim 1, characterized in that: The quick installation component (11) includes a support spring (1101) fixedly connected to the inner bottom wall of the installation sleeve column (10). The top end of the support spring (1101) is fixedly connected with a pressing column (1102).

8. The injection mold for automotive headlights with easy demolding according to claim 7, characterized in that: The top end of the pressing column (1102) is fixedly connected with a thin column (1103). The top end of the thin column (1103) is fixedly connected with a quick installation column (1104).

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