Hot runner plate structure of through-flow mold

Abstract

A hot runner plate structure of a cross-flow mold comprises a hot runner plate and connecting pieces, the connecting pieces are arranged on the two sides of the hot runner plate respectively, the hot runner plate and the connecting pieces are arranged in a split mode, and mounting cavities are formed between the hot runner plate and the connecting pieces; openings are respectively formed in two ends of the mounting cavity; the connecting piece is arranged above the hot runner plate; the thickness of the hot runner plate is H1, the thickness of the connecting piece is H2, and the ratio of H1 to H2 is (0.5-0.8): 1; h1 is equal to 25 to 35 mm, H2 is equal to 45 to 55 mm, and H1 + H2 is equal to 70 to 90 mm. According to the hot runner plate structure of the cross-flow mold, the combination of the square iron and the hot runner plate is adopted to replace a conventional hot runner plate, the hot runner plate and the square iron are arranged in a split mode, the mold structure is simplified, the hot runner plate does not need to be made of a whole large material, the material cost is reduced, and the installation cavity is formed between the hot runner plate and the square iron; according to the structure, CNC frame opening is omitted, the machining time of template frame opening is shortened, the machining cost is greatly reduced, the machining period of the mold frame is shortened, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a flow die technology field, in particular to a hot runner plate structure of flow die. BACKGROUND

[0002] As Figures 6-8 The hot runner plate structure of the conventional flow die is shown in the figure, the hot runner plate 111 is a whole big material, the material cost is high, the hot runner plate 111 is provided with the mounting frame 112, is used to install the hot runner device, and the mounting frame 112 needs CNC frame, and the processing workload is big, and the processing time is long.

[0003] Therefore, it is necessary to make further improvement. UTILITY MODEL CONTENTS

[0004] The utility model discloses a hot runner plate structure of flow die, which has the advantages of simple structure, short processing time, low material cost, high production efficiency and strong practicability, and overcomes the shortcomings of the prior art.

[0005] A hot runner plate structure of flow die designed according to the purpose, characterized by comprising a hot runner plate and a connecting piece, the connecting piece is arranged on both sides of the hot runner plate, the hot runner plate and the connecting piece are arranged separately, and an installation cavity is formed between the hot runner plate and the connecting piece.

[0006] The installation cavity is provided with an opening at both ends.

[0007] The connecting piece is arranged above the hot runner plate.

[0008] The thickness of the hot runner plate is H1, the thickness of the connecting piece is H2, and H1:H2=0.5-0.8:1.

[0009] H1=25-35mm, H2=45-55mm, and H1+H2=70-90mm.

[0010] The connecting piece is provided with a first fixing hole, the hot runner plate is provided with a second fixing hole, and a fastener is fastened and connected with the second fixing hole after passing through the first fixing hole, so as to connect the hot runner plate and the connecting piece.

[0011] The connecting piece is square iron.

[0012] The connecting piece is in the shape of a long strip.

[0013] The installation cavity is provided with a hot runner device.

[0014] The connecting piece is provided with a top plate on the upper side, and the hot runner plate is provided with a forming plate on the lower side.

[0015] The hot runner plate structure of the through-flow mold is combined by square iron and hot runner plate instead of conventional hot runner plate, the hot runner plate and the square iron are arranged in a split mode, the mold structure is simplified, the hot runner plate does not need to adopt a whole large material, material cost is reduced, the mounting cavity is formed between the hot runner plate and the square iron, the mounting cavity is used for mounting the hot runner device, the structure saves the CNC frame opening, reduces the processing time of the mold plate frame opening, greatly reduces the processing cost, shortens the mold frame processing period, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the front view of the through-flow mold in an embodiment of the utility model.

[0017] Figure 2 It is the sectional view of the through-flow mold in an embodiment of the utility model.

[0018] Figure 3 It is the overall structure schematic view of the front mold part of the through-flow mold in an embodiment of the utility model.

[0019] Figure 4 It is the partial structure schematic view of the front mold part of the through-flow mold in an embodiment of the utility model.

[0020] Figure 5 It is the exploded structure schematic view of the front mold part of the through-flow mold in an embodiment of the utility model.

[0021] Figure 6 It is the front view of the traditional through-flow mold.

[0022] Figure 7 It is the sectional view of the traditional through-flow mold.

[0023] Figure 8 It is the exploded structure schematic view of the traditional hot runner plate structure. DETAILED DESCRIPTION

[0024] The utility model will be further described in connection with the drawings and embodiments.

[0025] Referring to Figures 1-5 The hot runner plate structure of the through-flow mold includes hot runner plate 1 and connecting piece 2, connecting piece 2 is arranged at the left and right sides of hot runner plate 1 respectively, hot runner plate 1 and connecting piece 2 are arranged in a split mode, and mounting cavity 3 is formed between hot runner plate 1 and connecting piece 2.

[0026] The two ends of mounting cavity 3 are respectively provided with opening 4.

[0027] Connecting piece 2 is arranged above hot runner plate 1.

[0028] The thickness of the hot runner plate 1 is H1, the thickness of the connecting piece 2 is H2, and H1:H2=0.5-0.8:1.

[0029] H1=25-35mm, H2=45-55mm, H1+H2=70-90mm; in the embodiment, H1=30mm, H2=50mm, and the total thickness H1+H2=80mm.

[0030] The first fixing hole 5 is arranged on the connecting piece 2, the second fixing hole 6 is arranged on the hot runner plate 1, and the fastener (screw) is fastened and connected with the second fixing hole 6 after passing through the first fixing hole 5, so as to connect the hot runner plate 1 and the connecting piece 2.

[0031] The connecting piece 2 is a front mold square iron.

[0032] The connecting piece 2 is in a long strip shape.

[0033] The hot runner device 7 is installed in the mounting cavity 3, and the molten plastic flows into the cavity of the through-flow mold through the hot runner device 7; the above structure is prior art, and will not be described in detail here.

[0034] The top plate 8 is connected to the upper side of the connecting piece 2, and the forming plate 9 is connected to the lower side of the hot runner plate 1; the connecting piece 2 and the top plate 8 are connected through screws, and the hot runner plate 1 and the forming plate 9 are connected through screws.

[0035] The limiting block 10 is arranged on the opening 4 and located on the inner side of the connecting piece 2.

[0036] The following table is the cost comparison of the hot runner plate of the embodiment and the traditional hot runner plate:

[0037] From the above table, it can be seen that the total weight, material cost and processing cost of the hot runner plate of the embodiment are much less than those of the traditional hot runner plate.

[0038] The above is the preferred scheme of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hot runner plate structure for a through-flow mold, characterized in that: It includes a hot runner plate (1) and a connector (2). The connector (2) is respectively disposed on both sides of the hot runner plate (1). The hot runner plate (1) and the connector (2) are separately disposed, and an installation cavity (3) is formed between the hot runner plate (1) and the connector (2).

2. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: The mounting cavity (3) has openings (4) at both ends.

3. The hot runner plate structure of the through-flow mold according to claim 2, characterized in that: The connector (2) is positioned above the hot runner plate (1).

4. The hot runner plate structure of the through-flow mold according to claim 3, characterized in that: The thickness of the hot runner plate (1) is H1, and the thickness of the connector (2) is H2, with H1:H2 = 0.5~0.8:

1.

5. The hot runner plate structure of the through-flow mold according to claim 4, characterized in that: H1=25~35mm, H2=45~55mm, H1+H2=70~90mm.

6. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: The connector (2) is provided with a first fixing hole (5), and the hot runner plate (1) is provided with a second fixing hole (6). The fastener passes through the first fixing hole (5) and is fastened to the second fixing hole (6) to connect the hot runner plate (1) and the connector (2).

7. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: The connector (2) is a square iron.

8. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: The connector (2) is long and narrow.

9. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: A hot runner device (7) is installed inside the mounting cavity (3).

10. The hot runner plate structure of the through-flow mold according to claim 1, characterized in that: The upper side of the connector (2) is connected to the top plate (8), and the lower side of the hot runner plate (1) is connected to the molding plate (9).

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