Injection mold for chromium-plated decorative strip of car lamp
By using a mold design with a double-lower mold structure and a drive motor, the problem of low efficiency in the production of traditional chrome-plated decorative strips for car lights has been solved, enabling continuous production and automated demolding, thereby improving production efficiency and equipment utilization.
Patent Information
- Application Number
- CN202423069897.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-12
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-12
AI Technical Summary
In the traditional production of chrome-plated trim strips for automotive lights, injection molds have low production efficiency and low equipment utilization. Moreover, removing the products is time-consuming and labor-intensive, which cannot meet the needs of large-scale production.
The mold design, which employs a double lower mold structure and a drive motor, enables continuous movement and mold closing of the upper and lower molds. Combined with the cooperation of stabilizer bars, wedges, and springs, it achieves automated demolding and improves production efficiency.
It enables continuous production of chrome trim strips for vehicle lights, improves equipment utilization, saves time and labor costs, and enhances overall production efficiency.
Smart Images
Figure CN223558897U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to injection mold technical field, concretely is a kind of car lamp chrome-plated decorative strip injection mold. BACKGROUND
[0002] With the continuous development of automobile industry, the demand for car lamp chrome-plated decorative strip is increasing, and the lamp chrome-plated decorative strip not only can improve the appearance of car lamp, but also has certain protection effect. The traditional production method of car lamp chrome-plated decorative strip mainly adopts metal processing and electroplating process, which is high in cost and complex in process, and causes great pollution to the environment. In order to reduce cost, improve production efficiency and reduce environmental pollution, injection molding process is gradually applied to the production of car lamp chrome-plated decorative strip. However, the traditional injection mold has some problems in producing car lamp chrome-plated decorative strip.
[0003] The traditional injection mold usually adopts single upper and lower mold structure, and the production efficiency is low. After each injection molding is completed, the product needs to be taken out by manual, and then the next injection molding is carried out. The efficiency is low, and the product is taken out from the lower mold by manual, which not only consumes time and effort, but also increases the labor intensity of workers. During the process of waiting for taking out the product, the equipment is in idle state, the utilization rate of equipment is low, and the demand for large-scale production cannot be met, so the working efficiency of injection mold cannot be guaranteed. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides an injection mold for car lamp chrome-plated decorative strip, which solves the problem that the injection mold needs to be paused and waited for taking out the product after injection molding is completed.
[0005] In order to achieve the above object, the utility model provides a kind of car lamp chrome-plated decorative strip injection mold, including base, upper die and lower die assembly, it is characterized by: the lower die assembly includes two lower die bodies, two The lower die body is fixedly connected by connecting block between the lower die body, the top of the base is equipped with sliding slot, the inside of the sliding slot is slidably connected with several sliding blocks, the top of the sliding block is fixedly connected with the bottom of lower die body, the top of the one side of base is equipped with first drive motor, the output of the first drive motor is fixedly connected with first threaded rod by shaft coupling, the first threaded rod is located in the rear of lower die body, the end of the first threaded rod is rotatably connected with the top of base by rotating part, the surface of the first threaded rod is screw-connected with first threaded sleeve, the bottom of the first threaded sleeve is fixedly connected with the one side of lower die body by connecting block, the other side of the top of base is fixedly installed with second drive motor, the output of the second drive motor is fixedly connected with second threaded rod by shaft coupling, the surface of the second threaded rod is screw-connected with second threaded sleeve, the both sides of the top of base are fixedly connected with slide bar, the outer periphery of the slide bar is sleeved and slidably connected with sliding sleeve, the sliding sleeve is fixedly connected with upper die by connecting plate, the second threaded sleeve and sliding sleeve are fixedly connected by connecting piece, the top of the second threaded rod is rotatably connected with the one side of slide bar by rotating part, the bottom of the upper die is equipped with first injection slot, the top of the lower die body is equipped with second injection slot, which is used in cooperation with first injection slot.
[0006] Preferably, the top of the lower die body inner cavity is fixedly connected with a stabilizing rod, the outer periphery of the stabilizing rod is sleeved and slidably connected with a first sliding cylinder, the surface of the first sliding cylinder is fixedly connected with a horizontal plate, one side of the horizontal plate is fixedly connected with a first inclined block, the both sides of the top of the horizontal plate are fixedly connected with a top rod, the both sides of the top of the lower die body inner cavity are equipped with a through groove in communication with the second injection slot, one end of the top rod extends into the through groove, the bottom of the horizontal plate is fixedly connected with the bottom of the base inner cavity by a first spring, the bottom of the lower die body inner cavity and one side of the first spring are fixedly connected with a vertical rod, the top end of the vertical rod is fixedly connected with a second sliding cylinder, the inside of the second sliding cylinder is slidably connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a second inclined block used in cooperation with the first inclined block, the other end of the telescopic rod penetrates the lower die body and extends to the outside of the lower die body, one side of the lower die body inner cavity is fixedly connected with a second spring, one end of the second spring is fixedly connected with the bottom of the telescopic rod by a connecting piece.
[0007] Preferably, the surface of the slide bar is provided with a contact block used in cooperation with the telescopic rod.
[0008] Preferably, the first injection slot top is communicated with branch pipes on both sides, one end of the branch pipes penetrates the upper mold and extends above the upper mold, the two ends of the branch pipes extending above the upper mold are communicated with an injection pipe, and the injection pipe is provided with a control valve.
[0009] Advantages
[0010] The utility model provides a car lamp chrome plated decorative strip injection mold. Have the following advantages:
[0011] The utility model discloses through the mutual cooperation between upper mold and lower mold assembly, first drive motor and second drive motor structure, the up-and-down movement of upper mold and the reciprocating translation of lower mold body cooperate with each other, form a continuous injection cycle, realize the continuous production of car lamp chrome plated decorative strip, thereby improve the utilization of equipment, can improve production efficiency to a certain extent, through the mutual cooperation between stabilizer, transverse plate, first inclined block, jacking rod, first spring, vertical rod, telescopic link, second inclined block and second spring, after injection molding, the upper mold and lower mold body are demoulded, the telescopic link is extruded in the process of moving, and the jacking rod in one of lower mold bodies contacts upwards and ejects the decorative strip of injection molding, realizes that another lower mold body can take out the car lamp chrome plated decorative strip of injection molding of one lower mold body when injection molding, saves time and manpower cost and makes the production process more smooth, improves overall production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is the schematic view of the utility model structure;
[0013] Figure 2 It is the sectional view of the utility model structure;
[0014] Figure 3 It is the sectional view of the utility model lower mold body structure;
[0015] Figure 4 It is the sectional view of the utility model upper mold structure;
[0016] Figure 5 It is the utility model Figure 3 It is the utility model
[0017] In the figure, 1, base; 2, upper mold; 3, lower mold assembly; 4, lower mold body; 5, sliding groove; 6, sliding block; 7, first drive motor; 8, first threaded rod; 9, first threaded sleeve; 10, second drive motor; 11, second threaded rod; 12, second threaded sleeve; 13, sliding rod; 14, sliding sleeve; 15, first injection slot; 16, second injection slot; 17, stabilizing rod; 18, first sliding cylinder; 19, cross plate; 20, first inclined block; 21, ejector pin; 22, through slot; 23, first spring; 24, vertical rod; 25, second sliding cylinder; 26, telescopic rod; 27, second inclined block; 28, second spring; 29, abutting block; 30, branch pipe; 31, injection pipe; 32, control valve. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0019] Please refer to Figures 1-5 The utility model discloses a technical scheme: a car lamp chrome plated decorative strip injection mold, including base 1, upper mold 2 and lower mold assembly 3, lower mold assembly 3 includes two lower mold bodies 4, two lower mold bodies 4 are fixedly connected through connecting block between two lower mold bodies 4, the top of base 1 is set with sliding groove 5, the inside sliding connection of sliding groove 5 has a plurality of sliding blocks 6, the top of sliding block 6 is fixedly connected with the bottom of lower mold body 4, the top of base 1 one side is installed with first drive motor 7, the output of first drive motor 7 is fixedly connected with first threaded rod 8 through coupling, and first threaded rod 8 is located behind lower mold body 4, and the top of base 1 is rotatably connected with the end of first threaded rod 8 through rotating part, and the surface of first threaded rod 8 is screw connected with first threaded sleeve 9, and the bottom of first threaded sleeve 9 is fixedly connected with one side of lower mold body 4 through connecting block, and the top of base 1 other side is fixedly installed with second drive motor 10, and the output of second drive motor 10 is fixedly connected with second threaded rod 11 through coupling, and the surface of second threaded rod 11 is screw connected with second threaded sleeve 12, and the both sides of the top of base 1 are fixedly connected with sliding rod 13, and sliding sleeve 14 is sleeved and slidably connected on the outer periphery of sliding rod 13, and sliding sleeve 14 is fixedly connected with upper mold 2 through connecting plate, and second threaded sleeve 12 and sliding sleeve 14 are fixedly connected through connecting piece, and the top of second threaded rod 11 is rotatably connected with one side of sliding rod 13 through rotating part, and the bottom of upper mold 2 is set with first injection slot 15, and the top of lower mold body 4 is set with second injection slot 16 used in cooperation with first injection slot 15.
[0020] The top of the lower mold body 4 inner cavity is fixedly connected with a stabilizing rod 17, the outer periphery of the stabilizing rod 17 is sleeved and slidably connected with a first sliding cylinder 18, the surface of the first sliding cylinder 18 is fixedly connected with a horizontal plate 19, one side of the horizontal plate 19 is fixedly connected with a first inclined block 20, the top of the horizontal plate 19 is fixedly connected with a top rod 21 on both sides, the top rod 21 is made of PTFE material, is corrosion-resistant, can withstand temperature without deformation during injection molding, and the surface is smooth and will not scratch the surface of the chrome-plated decorative strip of the car lamp, the top of the lower mold body 4 inner cavity is provided with a through groove 22 in communication with the second injection groove 16 on both sides, one end of the top rod 21 extends into the inside of the through groove 22, the bottom of the horizontal plate 19 and the bottom of the inner cavity of the base 1 are fixedly connected with a first spring 23, the bottom of the lower mold body 4 inner cavity and located on one side of the first spring 23 is fixedly connected with a vertical rod 24, the top end of the vertical rod 24 is fixedly connected with a second sliding cylinder 25, the inside of the second sliding cylinder 25 is slidably connected with a telescopic rod 26, one end of the telescopic rod 26 is fixedly connected with a second inclined block 27 used in cooperation with the first inclined block 20, the other end of the telescopic rod 26 penetrates through the lower mold body 4 and extends to the outside of the lower mold body 4, one side of the lower mold body 4 inner cavity is fixedly connected with a second spring 28, one end of the second spring 28 is fixedly connected with the bottom of the telescopic rod 26 through a connecting piece.
[0021] It should be noted that the first drive motor 7 and the second drive motor 10 are both servo motors, which can be controlled by a PLC program to enable the lower mold body 4 and the upper mold 2 to continuously and accurately mold and demold.
[0022] The surface of the sliding rod 13 is provided with a resisting block 29 used in cooperation with the telescopic rod 26, and the resisting block 29 is made of rubber material.
[0023] The top of the first injection groove 15 is communicated with a branch pipe 30 on both sides, one end of the branch pipe 30 penetrates through the upper mold 2 and extends above the upper mold 2, the ends of the two branch pipes 30 extending above the upper mold 2 are jointly communicated with an injection pipe 31, and the injection pipe 31 is provided with a control valve 32.
[0024] When working, the operator starts the first driving motor 7, the first driving motor 7 drives the first threaded rod 8 to rotate, the first threaded rod 8 drives the first threaded sleeve 9 to move, the first threaded sleeve 9 drives the two lower mold bodies 4 to move to one side, one of the lower mold bodies 4 moves to the position directly below the upper mold 2, the second driving motor 10 is started, the second driving motor 10 drives the second threaded rod 11 to rotate, the second threaded rod 11 drives the second threaded sleeve 12 to move, the second threaded sleeve 12 drives the upper mold 2 to move downwards and adhere to one of the lower mold bodies 4 to complete the mold closing, the control valve 32 is opened, the raw materials flow through the branch pipe 30 into the first injection slot 15 and the second injection slot 16 through the injection pipe 31 to complete the injection process (in the injection process, the high-temperature molten plastic material is injected into the first injection slot 15 and the second injection slot 16, rapidly cools and solidifies to form the decorative strip), the second driving motor 10 is reversed to drive the upper mold 2 to move upwards through the second threaded sleeve 12, the first driving motor 7 is reversed to drive the lower mold assembly 3 to move to the other side through the first threaded sleeve 9, when the other lower mold body 4 moves to the position directly below the upper mold 2, the upper mold 2 moves downwards to close the mold with the other lower mold body 4, at the same time, in the moving process of the lower mold body 4, the telescopic rod 26 contacts the abutting block 29, the telescopic rod 26 is extruded to drive the second inclined block 27 to move and stretch the second spring 28, the second inclined block 27 moves to drive the first inclined block 20 to move upwards, the first inclined block 20 drives the ejector pin 21 to move upwards and eject the car lamp chrome decorative strip through the horizontal plate 19; when the injection of the upper mold 2 and the other lower mold body 4 is completed, the upper mold 2 moves upwards and the lower mold body 4 continues to move reversely, the telescopic rod 26 is reset due to the elastic force of the second spring 28, the second inclined block 27 is separated from the first inclined block 20, and the ejector pin 21 is reset by the elastic force of the first spring 23; the upper mold 2 and the lower mold body 4 can simultaneously take out the car lamp chrome decorative strip ejected from the other lower mold body 4 by the ejector pin 21 during the injection.
[0025] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims
1. An injection mold for a chrome-plated decorative strip for automotive headlights, comprising a base (1), an upper mold (2), and a lower mold assembly (3), characterized in that: The lower mold assembly (3) includes two lower mold bodies (4), which are fixedly connected by a connecting block. The top of the base (1) is provided with a sliding groove (5), and several sliders (6) are slidably connected inside the sliding groove (5). The top of the sliders (6) is fixedly connected to the bottom of the lower mold body (4). A first drive motor (7) is installed on the top of one side of the base (1). The output end of the first drive motor (7) is fixedly connected to a first threaded rod (8) through a coupling. The first threaded rod (8) is located behind the lower mold body (4). The end of the first threaded rod (8) is rotatably connected to the top of the base (1) through a rotating part. A first threaded sleeve (9) is threadedly connected to the surface of the first threaded rod (8). The bottom of the first threaded sleeve (9) is fixedly connected to one side of the lower mold body (4) through a connecting block.
2. The injection mold for a chrome-plated decorative strip for vehicle lights according to claim 1, characterized in that: A second drive motor (10) is fixedly installed on the other side of the top of the base (1). The output end of the second drive motor (10) is fixedly connected to a second threaded rod (11) through a coupling. A second threaded sleeve (12) is threadedly connected to the surface of the second threaded rod (11). Slide rods (13) are fixedly connected to both sides of the top of the base (1). A slide sleeve (14) is sleeved and slidably connected to the outer periphery of the slide rod (13). The slide sleeve (14) is fixedly connected to the upper mold (2) through a connecting plate. The second threaded sleeve (12) is fixedly connected to the slide sleeve (14) through a connecting piece. The top of the second threaded rod (11) is rotatably connected to one side of the slide rod (13) through a rotating piece. A first injection groove (15) is opened at the bottom of the upper mold (2). A second injection groove (16) is opened at the top of the lower mold body (4) to cooperate with the first injection groove (15).
3. The injection mold for a chrome-plated decorative strip for vehicle lights according to claim 2, characterized in that: A stabilizing rod (17) is fixedly connected to the top of the inner cavity of the lower mold body (4). A first sliding cylinder (18) is sleeved and slidably connected to the outer periphery of the stabilizing rod (17). A horizontal plate (19) is fixedly connected to the surface of the first sliding cylinder (18). A first inclined block (20) is fixedly connected to one side of the horizontal plate (19). A push rod (21) is fixedly connected to both sides of the top of the horizontal plate (19). A through groove (22) communicating with the second injection groove (16) is opened on both sides of the top of the inner cavity of the lower mold body (4). One end of the push rod (21) extends into the inside of the through groove (22). A first spring (23) is fixedly connected between the bottom of the horizontal plate (19) and the bottom of the inner cavity of the base (1). A vertical rod (24) is fixedly connected to the bottom of the inner cavity of the lower mold body (4) and to one side of the first spring (23). A second slide cylinder (25) is fixedly connected to the top of the vertical rod (24). A telescopic rod (26) is slidably connected inside the second slide cylinder (25). A second inclined block (27) that cooperates with the first inclined block (20) is fixedly connected to one end of the telescopic rod (26). The other end of the telescopic rod (26) passes through the lower mold body (4) and extends to the outside of the lower mold body (4). A second spring (28) is fixedly connected to one side of the inner cavity of the lower mold body (4). One end of the second spring (28) is fixedly connected to the bottom of the telescopic rod (26) through a connector.
4. The injection mold for a chrome-plated decorative strip for vehicle lights according to claim 3, characterized in that: The surface of the slide bar (13) is provided with an abutment block (29) that works in conjunction with the telescopic rod (26).
5. The injection mold for a chrome-plated decorative strip for vehicle lights according to claim 2, characterized in that: Both sides of the top of the first injection molding tank (15) are connected to branch pipes (30). One end of the branch pipe (30) passes through the upper mold (2) and extends to the top of the upper mold (2). The two branch pipes (30) are connected to an injection pipe (31) at the end extending to the top of the upper mold (2). A control valve (32) is provided on the injection pipe (31).