Car lamp base injection mold

Abstract

The utility model relates to the technical field of automobile accessory injection molds, in particular to an automobile lamp base injection mold which comprises an upper base, a sliding cavity and a key groove are formed in the inner surface of the upper base, and a quick release assembly is slidably connected to the inner surfaces of the sliding cavity and the key groove and comprises a sliding rod, a first sliding block is slidably connected to the outer surface of the sliding rod, and a second sliding block is slidably connected to the outer surface of the first sliding block. The side end face of the first sliding block and the outer circle of the sliding rod are sleeved with first springs, a first sliding groove is formed in the upper surface of the upper base, a movable rod is fixedly installed on the upper surface of the first sliding block, the movable rod is slidably connected with the first sliding groove, a sprue bush is connected to the inner surface of a key groove in a clamped mode, and two key blocks are fixedly installed on the side surface of the sprue bush. The sprue bush convenient to disassemble and assemble has the beneficial effects that the sprue bush convenient to disassemble and assemble can be rapidly replaced or maintained, the downtime caused by mold maintenance is shortened, and therefore the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile accessory injection mold, specifically to a car lamp base injection mold. BACKGROUND

[0002] Injection mold is a tool for producing plastic products, and is also a tool for giving plastic products complete structure and accurate size, injection molding is a processing method used when mass producing some complex-shaped parts, specifically refers to the molten plastic is injected into the mold cavity through the nozzle sleeve high pressure, after cooling and solidification, get the shaped product, and the nozzle sleeve is the flow channel component for connecting the metal fittings of the molding mold and the injection molding machine.

[0003] The existing injection mold generally adopts bolt fixed interface, and is fixed through the bolt, which can prevent the nozzle sleeve from falling off due to excessive injection pressure.

[0004] However, since the nozzle sleeve contacts with the molten plastic, the high-speed flowing plastic will cause friction to it, resulting in wear, and it also needs to withstand the high temperature and high pressure of the plastic, which will accelerate the wear and aging of the nozzle sleeve, and the existing installation structure is fixed by bolt, which is relatively cumbersome to disassemble. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a car lamp base injection mold to solve the problem that the nozzle sleeve needs to be replaced regularly due to the friction caused by the contact between the nozzle sleeve and the molten plastic, the wear caused by the high-speed flowing plastic, the need to withstand the high temperature and high pressure of the plastic, the acceleration of the wear and aging of the nozzle sleeve, and the cumbersome disassembly of the existing installation structure which is fixed by bolt.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a car lamp base injection mold, comprising: a lower base and an upper base, the inner surface of the upper base is provided with a sliding cavity and a key groove, the inner surface of the sliding cavity and the key groove is slidably connected with a quick release assembly, the quick release assembly comprises: a sliding rod, the outer surface of the sliding rod is slidably connected with a first sliding block, a first spring is sleeved on the side end surface of the first sliding block and the outer circle of the sliding rod, the upper surface of the upper base is provided with a first sliding groove, the upper surface of the first sliding block is fixedly installed with a movable rod, the movable rod is slidably connected with the first sliding groove;

[0007] The inner surface of the key groove is clamped and connected with a nozzle sleeve, the side surface of the nozzle sleeve is fixedly installed with two key blocks, the inner surface of the key block is fixedly connected with a second spring, one end of the second spring is elastically connected with two plug blocks, and the inner surface of the plug block and the key block is slidably connected.

[0008] Preferably, the sprue bush is connected with two key grooves through two key blocks, and the first sliding block slides on the inner surface of the sliding cavity through the sliding rod.

[0009] Preferably, the inner side of the key block is provided with two second sliding grooves, and the outer side of the plug block is fixedly provided with two second sliding blocks, and the plug block is slidably connected with the inner surface of the key block through the mutual cooperation of the second sliding blocks and the second sliding grooves.

[0010] Preferably, the upper surface of the lower base is fixedly provided with a movable mold plate, the inner surface of the movable mold plate is provided with a first cavity, and the inner surface of the first cavity is embeddedly connected with a convex mold plate.

[0011] Preferably, the lower surface of the upper base is fixedly provided with a fixed mold plate, the inner surface of the fixed mold plate is provided with a second cavity, and the inner surface of the second cavity is embeddedly connected with a concave mold plate.

[0012] Preferably, the inner surface of the fixed mold plate is provided with a plurality of cooling water channels, and the lower surface of the fixed mold plate is fixedly provided with four guide columns which are slidably connected with the movable mold plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a car lamp base injection mold puts forward;

[0015] When the worn sprue bush is disassembled, the two movable rods are axially poked to move to the relatively close direction through the first sliding groove, the first sliding block is compressed on the first spring of the sliding rod, the first sliding block contacts the plug block through the second spring and extrudes to the inside of the key block, the limitation of the plug block to the sprue bush is released, the sprue bush can be taken out, the sprue bush is quickly disassembled. When the sprue bush is installed, the key block is aligned with the key groove, the plug block is pressed inwards through the elasticity of the second spring, the sprue bush is clamped into the inner surface of the upper base, the sprue bush is installed and clamped and limited through the sliding cavity on both sides, the installation of the sprue bush is realized, the sprue bush of convenient dismounting can be quickly replaced or repaired, the downtime caused by mold maintenance is reduced, thereby the production efficiency is improved. ACCURACY OF DRAWINGS

[0016] Figure 1 It is the whole structure schematic diagram of the utility model;

[0017] Figure 2 It is the quick release assembly structure schematic diagram of the utility model;

[0018] Figure 3 It is the sprue bush installation structure schematic diagram of the utility model;

[0019] Figure 4 It is the sprue bush installation structure schematic diagram of the utility model; Figure 3 It is the enlarged schematic diagram of A place in the utility model.

[0020] Figure 5 The drawing shows the installation structure of the concave mold plate of the utility model.

[0021] Figure 6 The drawing shows the installation structure of the convex mold plate of the utility model.

[0022] In the drawing: 1, lower base; 2, upper base; 3, movable mold plate; 4, first cavity; 5, convex mold plate; 6, fixed mold plate; 7, second cavity; 8, concave mold plate; 9, cooling water channel; 10, sprue bushing; 11, guide column; 12, first sliding groove; 13, sliding cavity; 14, sliding rod; 15, first spring; 16, first sliding block; 17, movable rod; 18, key groove; 19, key block; 20, second sliding groove; 21, insertion block; 22, second sliding block; 23, second spring. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme of the utility model to carry out clear, complete description, and the advantage is more clear and clear, the following combining the drawing to the utility model embodiment carries out further detailed explanation. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all embodiments, only to explain the embodiments of the utility model, and not for the limitation of the embodiments of the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the scope of the utility model.

[0024] Please refer to Figures 1-6 The utility model provides the following two preferred scheme embodiments: a car lamp base injection mold;

[0025] Embodiment one:

[0026] In order to realize the easy dismounting of the wear and aging nozzle sleeve 10, the inner surface of the upper base 2 is provided with a sliding cavity 13 and a key groove 18, and the inner surface of the sliding cavity 13 and the key groove 18 is slidably connected with a quick release assembly, the quick release assembly comprises: a sliding rod 14, the outer surface of the sliding rod 14 is slidably connected with a first sliding block 16, the side end surface of the first sliding block 16 and the outer circle of the sliding rod 14 are provided with a first spring 15, the upper surface of the upper base 2 is provided with a first sliding groove 12, the upper surface of the first sliding block 16 is fixedly installed with a movable rod 17, the movable rod 17 is slidably connected with the first sliding groove 12, the inner surface of the key groove 18 is clampedly connected with the nozzle sleeve 10, the side surface of the nozzle sleeve 10 is fixedly installed with two key blocks 19, the inner surface of the key block 19 is fixedly connected with a second spring 23, one end of the second spring 23 is elastically connected with two insertion blocks 21, the insertion block 21 and the inner surface of the key block 19 are slidably connected, the nozzle sleeve 10 is clampedly connected with the two key grooves 18 through the two key blocks 19, the first sliding block 16 is slid on the inner surface of the sliding cavity 13 through the sliding rod 14, the inner side of the key block 19 is provided with two second sliding grooves 20, the outer side of the insertion block 21 is fixedly installed with two second sliding blocks 22, the insertion block 21 is slidably connected with the inner surface of the key block 19 through the cooperation of the second sliding block 22, the second sliding groove 20 and the key block 19, the two movable rods 17 are axially driven to move to the relatively close direction through the first sliding groove 12, the first sliding block 16 drives the first spring 15 on the sliding rod 14 to be compressed, so that the first sliding block 16 contacts the insertion block 21 through the second spring 23 and extrudes the key block 19, the insertion block 21 is limited to the nozzle sleeve 10, at this time, the nozzle sleeve 10 can be taken out, and the quick dismounting of the nozzle sleeve 10 is realized.

[0027] Working principle: when using the device, in order to realize the convenient disassembly of the worn and aged bushing 10, the two movable rods 17 are moved to the opposite close direction through the first sliding groove 12 by axial poking, the first sliding block 16 is driven to compress the first spring 15 on the sliding rod 14, the first sliding block 16 is contacted with the plug block 21 through the second spring 23 and is extruded to the inside of the key block 19, the limiting of the plug block 21 to the bushing 10 is released, the bushing 10 can be taken out, the quick disassembly of the bushing 10 is realized. When installing the bushing 10, the key block 19 is aligned with the key groove 18, the plug block 21 is pressed inwards by the elasticity of the second spring 23, the bushing 10 is clamped into the inner surface of the upper base 2, the bushing 10 is installed and clamped limiting through the sliding cavity 13 on both sides, the installation of the bushing 10 is realized, the bushing 10 which is convenient to disassemble can be quickly replaced or repaired, the downtime caused by mold maintenance is reduced, thereby the production efficiency is improved.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and its equivalents.

Claims

1. A vehicle headlight base injection mold, characterized in that: include: The lower base (1) and the upper base (2) are provided with a sliding cavity (13) and a keyway (18) on the inner surface of the upper base (2). The inner surfaces of the sliding cavity (13) and the keyway (18) are slidably connected to a quick-release assembly. The quick-release assembly includes a slide rod (14), a first slider (16) is slidably connected to the outer surface of the slide rod (14), a first spring (15) is sleeved on the side end face of the first slider (16) and the outer circle of the slide rod (14), a first sliding groove (12) is provided on the upper surface of the upper base (2), and a movable rod (17) is fixedly installed on the upper surface of the first slider (16). The movable rod (17) is slidably connected to the first sliding groove (12). The inner surface of the keyway (18) is engaged with a sprue sleeve (10), and two key blocks (19) are fixedly installed on the side surface of the sprue sleeve (10). A second spring (23) is fixedly connected to the inner surface of the key block (19), and two inserts (21) are elastically connected to one end of the second spring (23). The inserts (21) and the inner surface of the key block (19) are slidably connected.

2. The injection mold for a vehicle headlight base according to claim 1, characterized in that: The sprue sleeve (10) is engaged with two keyways (18) via two key blocks (19), and the first slider (16) slides on the inner surface of the slide cavity (13) via a slide rod (14).

3. The injection mold for a vehicle headlight base according to claim 1, characterized in that: The key block (19) has two second sliding grooves (20) on its inner side, and two second sliders (22) are fixedly installed on the outer side of the insert block (21). The insert block (21) is slidably connected to the inner surface of the key block (19) through the mutual cooperation of the second sliders (22) and the second sliding grooves (20).

4. The injection mold for a vehicle headlight base according to claim 1, characterized in that: The upper surface of the lower base (1) is fixedly installed with a movable template (3), and the inner surface of the movable template (3) is provided with a first cavity (4), and the inner surface of the first cavity (4) is fitted with a protruding template (5).

5. The injection mold for a vehicle headlight base according to claim 1, characterized in that: A fixed template (6) is fixedly installed on the lower surface of the upper base (2). A second cavity (7) is opened on the inner surface of the fixed template (6). A concave template (8) is fitted and connected to the inner surface of the second cavity (7).

6. The injection mold for a vehicle headlight base according to claim 5, characterized in that: The inner surface of the fixed template (6) is provided with several cooling water channels (9), and four guide pillars (11) are fixedly installed on the lower surface of the fixed template (6). The guide pillars (11) are slidably connected to the moving template (3).

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