Rapid material pulling structure for injection molding of LED (light-emitting diode) product

Abstract

The utility model discloses an automatic ejection water outlet mold for injection molding, in particular to a quick material pulling structure for injection molding of LED (light-emitting diode) products, which comprises a material pulling machine fixing seat, the material pulling machine fixing seat is connected with a mold locking plate for fixing the material pulling machine fixing seat on a movable mold, and a material pulling mechanism mounting position is fixed below the material pulling machine fixing seat. A material belt for conveying materials, a pulling device for pulling the material belt to move and a power device for providing power for the pulling device are arranged on the material pulling mechanism mounting position; the structure is locked and fixed on the die through the die locking plate, so that the consistency of pulling a material belt in a working area of the die is improved, and the precision is improved; besides, the structure adopts a high-precision pulling gear and a servo motor, so that the stability of pulling the material belt is remarkably improved, meanwhile, the servo motor can perform self-inspection alarm prompt when deviation occurs between the original point position and the final point position, the mold pressing risk caused by abnormity can be prevented, the action is simple, the pulling time is greatly shortened, and the injection molding period is remarkably shortened.

Description

[Technical field]

[0001] The utility model relates to the technical field of material drawing machines, in particular to a structure for fast material drawing for injection molding of LED products. [Background technology]

[0002] The material pulling structure is a key component in the injection molding process. The design and performance of the material pulling structure directly affect the quality and efficiency of injection molding. After the traditional LED product injection molding is separated from the mold cavity, the material pulling structure used to pull the next mold material strip to the cavity position is generally composed of a cylinder, a screw bearing, and a nylon clamping block. The parts of this structure have low precision and are unstable during operation. During the process of pulling the material strip, it is easy to cause the material strip to twist, slip, and abnormal deviation at the end of the pulling. The position of the material strip and the cavity is easily misaligned, causing risks such as mold glue feeding and mold pressing. The operation is complex and time-consuming, and the material pulling machine equipment requires frequent maintenance and inspection. [Utility Model Content]

[0003] In order to solve the above problems, the utility model proposes a structure for rapid material drawing during injection molding of LED products.

[0004] The utility model is realized by the following technical solutions:

[0005] A structure for rapid material pulling during injection molding of LED products comprises a material pulling machine fixing seat, the material pulling machine fixing seat is connected to a locking plate fixing it on a moving mold, a material pulling mechanism mounting position is fixed below the material pulling machine fixing seat, a material belt for transporting materials, a pulling device for pulling the material belt to move, and a power device for providing power to the pulling device are arranged on the material pulling mechanism mounting position.

[0006] In the structure for rapid material pulling during injection molding of LED products as described above, the material pulling mechanism mounting position comprises a U-shaped mounting frame for fixing the power device and the pulling device, and rotating shaft mounting holes arranged on both sides of the U-shaped mounting frame.

[0007] In the structure for rapid material drawing during injection molding of LED products as described above, the power device comprises a servo motor for providing power and arranged on the side of the U-shaped mounting frame, and a rotating shaft passing through the rotating shaft mounting hole.

[0008] As described above, in a structure for rapid material pulling for injection molding of LED products, the pulling device includes a pulling gear disposed on the rotating shaft and movably connected to the material strip, and a pushing cylinder disposed on the U-shaped mounting frame corresponding to the position of the material strip and used to control the pulling gear to cooperate with the material strip.

[0009] In the structure for rapid material pulling of LED product injection molding as described above, the material strip is a metal material strip with material strip positioning holes cooperating with the pulling gear; the pulling gear is provided with a gear guide needle extending into the corresponding material strip positioning hole.

[0010] In the structure for rapid material pulling during injection molding of LED products as described above, the push cylinder is provided with a push block for pushing the metal material strip to cooperate with the pulling gear.

[0011] In the structure for rapid material drawing during injection molding of LED products as described above, guide pressing blocks for limiting the position of the metal strip are provided on both sides of the push block.

[0012] In the structure for rapid material pulling during injection molding of LED products as described above, material strip positioning holes are respectively provided on both sides of the metal material strip along the length direction, and are correspondingly cooperated with by the two pulling gears.

[0013] In the structure for rapid material pulling during injection molding of LED products as described above, at least two groups of pulling devices are provided, and each group corresponds to a metal strip.

[0014] In the structure for rapid material drawing during injection molding of an LED product as described above, the metal material strip is a high-strength steel material strip.

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] 1. The locking plate locks the structure to the mold, which improves the consistency of the strip pulling in the mold working area and improves the accuracy;

[0017] 2. This structure uses high-precision pulling gears and servo motors to significantly improve the stability of pulling the material strip. At the same time, the servo motor will self-check and alarm when there is a deviation between the origin and the end point, which can prevent the risk of molding caused by abnormalities. The action is simple, and the pulling time is about one-third of the existing technology, which significantly shortens the injection molding cycle.

Brief Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for describing the embodiments.

[0019] Figure 1 It is a schematic diagram of the working state structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the working cooperation between the pulling gear and the material belt of the utility model; [Specific implementation method]

[0021] Specific embodiments, such as Figures 1 to 2The structure shown is a structure for rapid material pulling for injection molding of LED products, including a material pulling machine fixing seat 1, the material pulling machine fixing seat 1 is connected to a locking plate 2 for fixing it on a movable mold, and the material pulling structure is fixed on the mold through the locking plate 2 so as to move with the movable mold, thereby improving the consistency and working stability of the material strip pulling in the working area of ​​the mold, and a material pulling mechanism mounting position 3 is fixed below the material pulling machine fixing seat 1, and the material pulling mechanism mounting position 3 is provided with a material strip 4 for transporting materials, a pulling device 6 for pulling the material strip 4 to move, and a power device 5 for providing power to the pulling device 6, and at least two groups of the pulling devices 6 are arranged, each group corresponding to a material strip 4.

[0022] Preferably, the material pulling mechanism installation position 3 includes a U-shaped installation frame 31 for fixing the power device 5 and the pulling device 6 , and a rotating shaft installation hole 32 provided on both sides of the U-shaped installation frame 31 .

[0023] Preferably, the power device 5 includes a servo motor 51 for providing power arranged on the side of the U-shaped mounting frame 31, and a rotating shaft 52 passing through the rotating shaft mounting hole 32. Relying on the advantages of the servo motor itself, the injection molding cycle can be shortened and the material pulling stability can be improved. In addition, when the material belt 4 deviates from the preset moving trajectory, the servo motor 51 will self-check and alarm to prevent the risk of molding caused by abnormal position of the material belt 4.

[0024] Preferably, the pulling device 6 includes a pulling gear 61 which is arranged on the rotating shaft 52 and is movably connected to the material belt 4, and a pushing cylinder 62 which is arranged on the U-shaped mounting frame 31 and corresponds to the position of the material belt 4 and is used to control the pulling gear 61 to cooperate with the material belt 4. The pushing cylinder 62 is provided with a pushing block 621 for pushing the metal material belt to cooperate with the pulling gear 61. Guide pressure blocks 6211 are provided on both sides of the pushing block 621 for limiting the position of the material belt 4, thereby improving the accuracy and stability of pulling.

[0025] Specifically, the material strip 4 is a metal material strip provided with a material strip positioning hole 41 that cooperates with the pulling gear 61. In this embodiment, a steel material strip with high strength performance is used to facilitate cooperation with the pulling gear 61; the pulling gear 61 is provided with a gear guide needle 611 corresponding to the material strip positioning hole 41, and material strip positioning holes 41 are respectively provided on both sides of the steel material strip along the length direction, and are cooperated with by two corresponding pulling gears 61.

[0026] More specifically, when the material strip needs to be pulled at the beginning of injection molding, the pushing cylinder 62 is turned on, and the pushing block 621 pushes the steel material strip until the material strip positioning holes 41 on both sides of the steel material strip respectively cooperate with the corresponding gear guide needles 611 on the pulling gear 61. At the same time, the servo motor 51 is turned on, and the pulling gear 61 rotates with the rotating shaft 52 at a preset speed, thereby achieving efficient and accurate material pulling.

[0027] The above is an implementation method provided in combination with specific content, and it is not considered that the specific implementation of the utility model is limited to these descriptions. At the same time, due to different industry names, it is not limited to the above names, nor is it limited to English names. Any method, structure, etc. similar to or identical to the method, structure, etc. of the utility model, or a number of technical deductions or replacements made on the premise of the concept of the utility model, shall be regarded as the protection scope of the utility model.

Claims

1. A structure for rapid material drawing for LED product injection molding, comprising a material drawing machine fixing seat (1), characterized in that: The material pulling machine fixed seat (1) is connected to a locking plate (2) for fixing it on a movable mold, and a material pulling mechanism installation position (3) is fixed below the material pulling machine fixed seat (1), and the material pulling mechanism installation position (3) is provided with a material belt (4) for transporting materials, a pulling device (6) for pulling the material belt (4) to move, and a power device (5) for providing power to the pulling device (6).

2. The structure for rapid material drawing of LED product injection molding according to claim 1, characterized in that: The material pulling mechanism installation position (3) comprises a U-shaped installation frame (31) for fixing the power device (5) and the pulling device (6), and rotating shaft installation holes (32) arranged on both sides of the U-shaped installation frame (31).

3. The structure for rapid material drawing of LED product injection molding according to claim 2, characterized in that: The power device (5) comprises a servo motor (51) for providing power and arranged on a side of the U-shaped mounting frame (31), and a rotating shaft (52) passing through the rotating shaft mounting hole (32).

4. The structure for rapid material drawing of LED product injection molding according to claim 3, characterized in that: The pulling device (6) comprises a pulling gear (61) disposed on the rotating shaft (52) and movably connected to the material belt (4), and a pushing cylinder (62) disposed on the U-shaped mounting frame (31) and corresponding to the position of the material belt (4) and used to control the pulling gear (61) to cooperate with the material belt (4).

5. The structure for rapid material drawing of LED product injection molding according to claim 4, characterized in that: The material belt (4) is a metal material belt provided with a material belt positioning hole (41) and cooperates with the pulling gear (61); the pulling gear (61) is provided with a gear guide needle (611) extending into the corresponding material belt positioning hole (41).

6. The structure for rapid material drawing for injection molding of LED products according to claim 5, characterized in that: The pushing cylinder (62) is provided with a pushing block (621) for pushing the metal strip to cooperate with the pulling gear (61).

7. The structure for rapid material drawing for injection molding of LED products according to claim 6, characterized in that: Guide pressing blocks (6211) for limiting the position of the metal strip are provided on both sides of the push block (621).

8. The structure for rapid material drawing for injection molding of LED products according to claim 7, characterized in that: The two sides of the metal strip are respectively provided with strip positioning holes (41) along the length direction, and the two pulling gears (61) cooperate with them to work.

9. The structure for rapid material drawing for injection molding of LED products according to claim 8, characterized in that: The pulling device (6) is provided with at least two groups, each group corresponding to a metal strip.

10. The structure for rapid material drawing for injection molding of LED products according to claim 9, characterized in that: The metal strip is a steel strip with high strength.

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