Injection mold feeding frame

Abstract

The utility model relates to an injection mold feeding frame which comprises an outer material frame, an inner material frame, a first material needle arranged on the inner material frame, a guide inclined plane arranged on the inner wall of the inner material frame and a convex ring arranged on the inner wall of the outer material frame, and the thickness of the convex ring is smaller than that of the outer material frame. The convex ring is matched with the outer material rack frame to form a step surface surrounding the inner wall of the outer material rack frame, the inner material rack frame is matched with the step surface, and a gap is formed between the outer wall of the inner material rack frame and the inner wall of the outer material rack frame. The first material needle is arranged on the side, facing the protruding ring, of the inner material frame, and the inclined face of the guiding inclined face is arranged in the direction away from the first material needle. According to the utility model, the gap is formed between the outer wall of the inner material rack frame and the inner wall of the outer material rack frame, so that the second material needle can be quickly aligned with and penetrate through the fixing hole of the LED array sheet, and the quick and accurate feeding of the LED array sheet is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field especially relates to a injection mold feeding frame. BACKGROUND

[0002] At present, the LED production process is as follows: first, the light emitting component realizing LED light emission is produced, and usually a plurality of light emitting components are arrayed into a sheet to form an LED array sheet. Then, through the injection molding process, the plastic wraps each light emitting component outside the LED array sheet, playing a protective role for the light emitting component.

[0003] At present, in the injection molding process of the LED array sheet, the LED array sheet usually needs to be placed on the feeding frame, and then the feeding frame together with the LED array sheet is moved to the injection mold. The molten plastic flows through each light emitting component through the flow channel of the injection mold, realizing the injection molding of the light emitting component.

[0004] However, in the process of moving the LED array sheet to the injection mold, it is difficult to quickly realize the alignment between the LED array sheet and the injection mold, affecting the injection molding efficiency of the LED array sheet. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims to provide an injection mold feeding frame for the rapid and accurate feeding of the LED array sheet.

[0006] The utility model achieves the purpose by the following technical scheme:

[0007] An injection mold feeding frame is used in cooperation with an external mold and an LED array sheet. It comprises an outer frame, an inner frame, a first needle arranged on the inner frame, a guide slope arranged on the inner wall of the inner frame, and a convex ring arranged on the inner wall of the outer frame. The thickness of the convex ring is less than that of the outer frame, and the convex ring cooperates with the outer frame to form a stepped surface arranged around the inner wall of the outer frame. The inner frame cooperates with the stepped surface, and a gap is arranged between the outer wall of the inner frame and the inner wall of the outer frame. The first needle is arranged on the side of the inner frame facing the convex ring, and the slope of the guide slope is arranged in a direction away from the first needle. The LED array sheet is provided with a plurality of fixing holes, and the external mold is provided with a second needle arranged in the same direction as the first needle. The LED array sheet is placed on the inner frame, the first needle passes through part of the fixing holes, the injection mold feeding frame is driven to move towards the external mold, the external mold enters the inner frame, the guide slope abuts against the side wall of the external mold, the gap between the outer wall of the inner frame and the inner wall of the outer frame is adjusted, and the second needle is aligned with and passes through the other fixing holes.

[0008] Further, the guide slope is provided at least two, and the at least two guide slopes are respectively arranged on the opposite inner walls of the inner material frame.

[0009] Further, the inner material frame comprises a ring-shaped inner frame and a connecting arm connected with the inner wall of the ring-shaped inner frame, the first material needle is arranged on the connecting arm, and the guide slope is arranged on the ring-shaped inner frame.

[0010] Further, the first material needle is at least two.

[0011] Further, the outer material frame is connected with a limiting block, the limiting block is arranged on the side of the outer material frame away from the convex ring, and the limiting block partially shields the inner material frame.

[0012] Further, the limiting block is bolted with the outer material frame.

[0013] Further, the limiting block is bolted with the outer material frame.

[0014] Further, the outer material frame is provided with a weight-reducing groove.

[0015] Further, the outer material frame, the inner material frame, the first material needle and the guide slope jointly constitute a material loading set, the material loading set is provided with at least two, the outer material frames of the material loading sets are connected with each other, and the material loading sets are arranged in an array.

[0016] Further, the outer wall of the outer material frame is provided with a chamfer.

[0017] Compared with the prior art, the beneficial effects of the utility model lie in that: the utility model is provided with a gap between the outer wall of the inner material frame and the inner wall of the outer material frame, and the guide slope abuts against the side wall of the external mold, so that the relative position between the first material needle and the second material needle can be quickly adjusted, and then the second material needle can be quickly aligned and pass through the fixing hole of the LED array sheet, and the quick and accurate material loading of the LED array sheet is realized. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the front view of the outer material frame of the utility model;

[0019] Figure 2 is the front view of the inner material frame of the utility model;

[0020] Figure 3 is the front view of the injection mold material loading frame of the utility model;

[0021] Figure 4 is Figure 3An enlarged schematic view of the middle A part;

[0022] Figure 5 is Figure 4 A sectional view of the middle B-B part;

[0023] Figure 6 is Figure 3 An enlarged schematic view of the middle C part.

[0024] In the figure:

[0025] 1-outer mold; 2-LED array sheet; 3-outer material frame; 4-inner material frame; 4a-ring inner frame; 4b-connecting arm; 5-first material needle; 6-guiding slope; 7-convex ring; 8-second material needle; 9-limiting block; 10-weight reduction groove. DETAILED DESCRIPTION

[0026] The technical solutions of the utility model will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are some of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0027] In the description of the utility model, it needs to be explained that the orientation or position relation indicated by the terms 'center', 'upper', 'lower', 'left', 'right','vertical', 'horizontal', 'inner', 'outer' and the like is the orientation or position relation shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms 'first','second', 'third' are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms'mounting', 'connection', 'connecting' should be understood broadly, for example, can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances. In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0029] The utility model is an improvement on a material frame of an injection mold, like Figure 5As shown in the figure, the injection mold feeding frame is used with the external mold 1 and the LED array sheet 2. The external mold is an injection mold used for injection molding the LED array sheet 2 in the utility model, and the LED array sheet 2 is arranged with a plurality of light emitting components in the LED array.

[0030] Specifically, as shown in the figure, Figures 1 to 5 The injection mold feeding frame of the utility model comprises an outer feeding frame 3, an inner feeding frame 4, a first feeding needle 5 arranged on the inner feeding frame 4, a guide inclined surface 6 arranged on the inner wall of the inner feeding frame 4, and a convex ring 7 arranged on the inner wall of the outer feeding frame 3. The thickness of the convex ring 7 is smaller than the thickness of the outer feeding frame 3, so the convex ring 7 and the outer feeding frame 3 can cooperate to form a stepped surface arranged around the inner wall of the outer feeding frame 3. As shown in the figure, Figure 5 The inner feeding frame 4 cooperates with the stepped surface, and a gap is arranged between the outer wall of the inner feeding frame 4 and the inner wall of the outer feeding frame 3, so the inner feeding frame 4 can move on the steps of the stepped surface, thereby continuously changing the distance between the outer wall of the inner feeding frame 4 and the inner wall of the outer feeding frame 3. The first feeding needle 5 is arranged on the side of the inner feeding frame 4 facing the convex ring 7, and the inclined surface of the guide inclined surface is arranged in the direction away from the first feeding needle 5. The LED array sheet 2 is provided with a plurality of fixing holes, and the external mold 1 is provided with a second feeding needle 8 arranged in the same direction as the first feeding needle 5.

[0031] As shown in the figure, Figure 5 The use steps of the injection mold feeding frame of the utility model are as follows:

[0032] S1, the LED array sheet 2 is placed on the inner feeding frame 4, specifically, the first feeding needle 5 is inserted through part of the fixing holes in the LED array sheet 2, then the LED array sheet 2 is placed above the inner feeding frame 4, the tip of the first feeding needle 5 is arranged upward, the convex ring 7 is located above the inner feeding frame 4, and the inclined surface of the guide inclined surface 6 is arranged downward. And at this time, the injection mold feeding frame is arranged away from the external mold 1.

[0033] S2, the injection mold feeding frame is arranged above the external mold 1, and the injection mold feeding frame and the LED array sheet 2 are driven to move towards the external mold 1, that is, the outer feeding frame 3, the inner feeding frame 4 and the LED array sheet 2 are driven to move towards the downward direction, and at this time, it is ensured that the first feeding needle 5 and the second feeding needle 8 are both arranged upward.

[0034] S3, the inner feeding frame 4 is driven to gradually wrap the external mold 1 around the outer wall of the external mold 1, and when the inner feeding frame 4 just contacts the external mold 1, the inclined surface of the guide inclined surface 6 first abuts against the outer wall of the external mold 1. As the external mold 1 continuously enters the inner feeding frame 4, the gap between the outer wall of the inner feeding frame 4 and the inner wall of the outer feeding frame 3 is continuously adjusted until the guide inclined surface 6 abuts against the side wall of the external mold 1, and at this time, the second feeding needle 8 is aligned with other fixing holes on the LED array sheet 2.

[0035] S4, further drive the injection mold loading frame and the LED array sheet 2 to move downwards, the second needle 8 passes through the other fixed hole on the LED array sheet 2, so that the LED array sheet 2 is fixed on the outer mold 1, and the rapid and accurate loading of the LED array sheet 2 on the outer mold 1 is completed.

[0036] S5, the injection operation is carried out on the LED array sheet 2.

[0037] The utility model discloses a gap is equipped with between the outer wall of inner material frame frame 4 and the inner wall of outer material frame frame 3, and the side wall of outer mold 1 is resisted by guide slope 6, the relative position between first needle 5 and second needle 8 can be adjusted quickly, and then the second needle 8 can be aligned and pass through the fixed hole of LED array sheet 2, realize the rapid and accurate loading of LED array sheet on the outer mold 1.

[0038] The number of guide slope 6, the detailed position of first needle 5 and other technical features in the injection mold loading frame of the utility model all have various implementation manners, and in the following various technical features such as the number of guide slope 6, each technical feature selects one implementation manner to describe in detail, and the implementation example of the implementation manner is called the present example.The other implementation manners of various features such as the number of guide slope 6 are called other examples, and the following is briefly described for other examples.

[0039] In the embodiment, as shown in Figure 2 Guide slope 6 is at least provided with two, and the at least two guide slope 6 is arranged on the inner wall of the inner material frame frame 4 on the different sides respectively.Specifically, the inner material frame frame 4 includes annular inner frame 4a.The annular inner frame 4a is rectangular, and each guide slope 6 is arranged on the inner wall on different sides of the annular inner frame 4a.As shown in Figure 2 The guide slope 6 is arranged on the inner wall along the X-axis direction and the inner wall along the Y-axis direction of the annular inner frame 4a.The plane of the inner wall along the X-axis direction and the plane of the inner wall along the Y-axis direction are perpendicular to each other.Therefore, when each guide slope 6 abuts against the outer wall of the outer mold 1, the position of the second needle 8 relative to the first needle 5 in two directions is fixed, and then the second needle 8 can be quickly and accurately aligned with the fixed hole.In other examples, two guide slope 6 can also be oppositely arranged, at this time, the outer mold 1 is clamped in the two guide slope 6, in this embodiment, it is mainly suitable for the case that the gap between the outer wall of the inner material frame frame 4 and the inner wall of the outer material frame frame 3 is only in a single direction, and the rapid positioning of the second needle 8 relative to the first needle 5 can be realized.The utility model arranges at least two guide slope 6 on the inner wall of the inner material frame frame 4 on the different sides respectively, so that the second needle 8 can be quickly and accurately aligned with the fixed hole.

[0040] In the embodiment, as shown in Figure 2As shown, the inner material rack frame 4 further comprises a connecting arm 4b connected with the inner wall of the annular inner frame 4a, and the first material needle 5 is arranged on the connecting arm 4b. The utility model discloses the setting of the connecting arm 4b is convenient for the fixing of the first material needle 5. In other embodiments, adjusting holes can also be arranged on the convex ring 7, the first material needle 5 is fixed on the annular inner frame 4a, and the first material needle 5 is arranged through the adjusting hole, and this structure layout is compact but the manufacturing process is complex.

[0041] In the embodiment, as shown in Figure 2 The first material needle 5 is at least two. The utility model discloses the setting of at least two first material needles 5 makes the LED array sheet 2 can be stably fixed on the inner material rack frame 4 and is not easy to shake. In other embodiments, when the electronic component to be injection molded is annular, and the annular electronic circular part is arranged on the sheet, only one fixing hole can be arranged on the sheet at the center of the annular electronic component, and therefore the first material needle 5 can also be only one.

[0042] In the embodiment, as shown in Figures 3 to 6 The outer material rack frame 3 is connected with a limiting block 9, the limiting block 9 is arranged on the side of the outer material rack frame 3 away from the convex ring 7, and the limiting block 9 partially shields the inner material rack frame 4. Specifically, the limiting block 9 partially shields the annular inner frame 4a. The utility model discloses the setting of the limiting block 9 makes the outer material rack frame 3 and the inner material rack frame 4 form an integral whole, and it is convenient to move the outer material rack frame 3 and the inner material rack frame 4 to the external mold 1 together. In other embodiments, a sliding groove can also be arranged on the convex ring 7, and a sliding rail matched with the sliding groove can be arranged on the inner material rack frame 4.

[0043] In the embodiment, as shown in Figures 3 to 6 The limiting block 9 is bolted with the outer material rack frame 3. The utility model discloses the bolted connection between the limiting block 9 and the outer material rack frame 3 is convenient for the assembly between the limiting block 9 and the outer material rack frame 3. In other embodiments, the limiting block 9 and the outer material rack frame 3 can also be welded.

[0044] In the embodiment, as shown in Figures 3 to 6 The limiting block 9 is at least two, and the at least two limiting blocks 9 shield the different side frames of the inner material rack frame 4 respectively. The utility model discloses the setting of multiple limiting blocks 9 makes the inner material rack frame 4 not easy to fall off the stepped surface. In other embodiments, a blocking ring can also be arranged instead of the limiting block 9, and the blocking ring shields the gap between the outer material rack frame 3 and the inner material rack frame 4.

[0045] In the embodiment, as shown in Figure 1 And Figure 3As shown in the drawings, the outer material rack frame 3 is provided with a weight reduction groove 10. The weight reduction groove 10 is arranged to facilitate the lightweight of the outer material rack frame 3. In other embodiments, the outer material rack frame 3 can also be made of light materials such as aluminum alloy to meet the strength of the outer material rack frame 3 while reducing the thickness of the outer material rack frame 3 as much as possible to achieve the effect of lightweight.

[0046] In the embodiment, as shown in the drawings, Figure 1 and Figure 3 The outer material rack frame 3 is rectangular, and the outer wall of the outer material rack frame 3 is provided with a chamfer. The chamfer is arranged to avoid the chamfer of the rectangular outer material rack frame 3 from accidentally hurting the operator. In other embodiments, the outer material rack frame 3 can also be arranged as a circular frame.

[0047] In the embodiment, as shown in the drawings, Figures 1 to 3 The outer material rack frame 3, the inner material rack frame 4, the first material needle 5 and the guide slope 6 together form a feeding assembly. The feeding assembly is provided with at least two, and the outer material rack frames 3 of each feeding assembly are connected to each other and arranged in an array between the feeding assemblies. The plurality of feeding assemblies are arranged in an array to enable the feeding rack of the injection mold of the utility model to feed a plurality of LED array pieces 2 at a time. In other embodiments, the feeding assemblies can also be freely arranged and combined.

[0048] In summary, the gap is arranged between the outer wall of the inner material rack frame 4 and the inner wall of the outer material rack frame 3, and the guide slope 6 abuts against the side wall of the external mold 1 to enable the second material needle 8 to quickly align and pass through the fixing hole of the LED array piece 2 to achieve the rapid and accurate feeding of the LED array piece on the external mold 1. At least two guide slopes 6 are arranged on the opposite inner walls of the inner material rack frame 4 to enable the second material needle 8 to quickly and accurately align the fixing hole. The connection arm 4b is arranged to facilitate the fixation of the first material needle 5. At least two first material needles 5 are arranged to enable the LED array piece 2 to be stably fixed on the inner material rack frame 4. The limiting block 9 is arranged to integrate the outer material rack frame 3 and the inner material rack frame 4. The limiting block 9 and the outer material rack frame 3 are connected by bolts to facilitate the assembly therebetween. A plurality of limiting blocks 9 are arranged to prevent the inner material rack frame 4 from being easily detached from the stepped surface. The weight reduction groove 10 is arranged to facilitate the lightweight of the outer material rack frame 3. The chamfer is arranged to avoid the chamfer of the rectangular outer material rack frame 3 from accidentally hurting the operator. The plurality of feeding assemblies are arranged in an array to enable the feeding of a plurality of LED array pieces 2 at a time.

[0049] It should be emphasized that: the above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model still belongs to the scope of the technical solution of the utility model.

Claims

1. An injection mold loading rack for use with an external mold (1) and an LED array sheet (2), characterized in that, The application relates to a material loading frame, which comprises an outer material frame (3), an inner material frame (4), a first material needle (5) arranged on the inner material frame (4), a guide slope (6) arranged on the inner wall of the inner material frame (4), a convex ring (7) arranged on the inner wall of the outer material frame (3), the thickness of the convex ring (7) is smaller than the thickness of the outer material frame (3), the convex ring (7) and the outer material frame (3) are matched to form a stepped surface arranged around the inner wall of the outer material frame (3), the inner material frame (4) is matched with the stepped surface, and a gap is arranged between the outer wall of the inner material frame (4) and the inner wall of the outer material frame (3); the first material needle (5) is arranged on the side of the inner material frame (4) facing the convex ring (7), and the slope of the guide slope (6) is arranged to face away from the first material needle (5); a plurality of fixing holes are arranged on the LED array sheet (2), and a second material needle (8) is arranged on the outer mold (1) and is arranged in the same direction as the first material needle (5); the LED array sheet (2) is placed on the inner material frame (4), the first material needle (5) penetrates part of the fixing holes, then the injection mold loading frame is driven to move towards the outer mold (1), the outer mold (1) enters the inner material frame (4), the guide slope (6) abuts against the side wall of the outer mold (1), the gap between the outer wall of the inner material frame (4) and the inner wall of the outer material frame (3) is adjusted, and the second material needle (8) is aligned with and penetrates other fixing holes.

2. The injection mold loading rack of claim 1, wherein, The guide slope (6) is provided with at least two guide slopes, and the at least two guide slopes are arranged on the opposite inner walls of the inner material frame (4).

3. The injection mold loading rack of claim 1, wherein, The inner material frame (4) comprises a ring-shaped inner frame (4a) and a connecting arm (4b) connected to the inner wall of the ring-shaped inner frame (4a), the first material needle (5) is arranged on the connecting arm (4b), and the guide slope (6) is arranged on the ring-shaped inner frame (4a).

4. The injection mold loading rack of claim 1, wherein, The first material needle (5) is provided with at least two first material needles.

5. The injection mold loading rack of claim 1, wherein, The outer material frame (3) is connected with a limiting block (9), the limiting block (9) is arranged on the side of the outer material frame (3) away from the convex ring (7), and the limiting block (9) partially shields the inner material frame (4).

6. The injection mold loading rack of claim 5, wherein, The limiting block (9) is bolted to the outer material frame (3).

7. The injection mold loading rack of claim 5, wherein, The limiting block (9) is provided with at least two limiting blocks, and the at least two limiting blocks shield the opposite side frames of the inner material frame (4).

8. The injection mold loading rack of claim 1, wherein, The outer material frame (3) is provided with a weight-reducing groove (10).

9. The injection mold loading rack of claim 1, wherein, The outer material frame (3), the inner material frame (4), the first material needle (5) and the guide slope (6) jointly form a material loading set, the material loading set is provided with at least two material loading sets, the outer material frames (3) of the material loading sets are connected with each other, and the material loading sets are arranged in an array.

10. The injection mold loading rack of claim 1, wherein, The outer wall of the outer material frame (3) is provided with a chamfer.

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