Mold for fan blade injection molding production

Abstract

The utility model relates to the technical field of injection molds, and discloses a mold for fan blade injection molding production, which comprises a molding seat and a mold seat, the lower surface of the molding seat is fixedly connected with the upper surface of the mold seat, the upper surface of the mold seat is provided with a groove, the inner bottom wall of the groove is provided with a sliding chute, and the inner wall of the sliding chute is connected with a sliding block in a sliding manner. According to the mold for fan blade injection molding production, a cooling plate can be pulled out, a new cooling plate is replaced, the cooling plate is inserted into a groove, the cambered surface of a T-shaped insertion block is also stressed and stored, a tension spring is lengthened, when the T-shaped insertion block moves to a positioning groove, the tension spring can pull the T-shaped insertion block into the positioning groove, an inner hexagonal screw is rotated, and the cooling plate is inserted into the positioning groove; and at the moment, the stopping block moves to the position between the two T-shaped inserting blocks to stop the T-shaped inserting blocks, storage of the T-shaped inserting blocks is avoided, fixing of the cooling plate is completed, and therefore the cooling water way and the mold body of the mold are designed in a split mode, replacement after the water way breaks down is facilitated, and expenditure is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, and more specifically to a mold for injection molding production of wind blades. Background Art

[0002] Fans are common daily necessities, and most of their blades are made of plastic. The plastic is injected into a blade mold and cooled to form. Since the plastic needs to be cooled, cooling water channels are generally opened in the mold.

[0003] By injecting cooling water into the cooling water channel to cool the mold and then cool the plastic, it is convenient for rapid molding of the plastic. As the use time increases, there will be more impurities in the cooling water channel, which needs to be cleaned. If the blocked impurities in the water channel cannot be cleaned out, the cooling will not work properly. In addition, the water channel is directly opened in the mold, which means that the mold can no longer be used and needs to be replaced, resulting in unnecessary expenses. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a mold for injection molding of wind blades to solve the problems existing in the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a mold for injection molding of wind blades, comprising a molding seat and a mold base, wherein the lower surface of the molding seat is fixedly connected to the upper surface of the mold base, a groove is provided on the upper surface of the mold base, a slide groove is provided on the inner bottom wall of the groove, a slider is slidably connected to the inner wall of the slide groove, a cooling plate is fixedly connected to the upper surface of the slider, the surface of the cooling plate overlaps the inner wall of the groove, a cooling water channel is provided inside the cooling plate, and a connecting pipe is installed at the opening of the cooling water channel, a cavity is provided inside the slider, a T-shaped plug is slidably connected to the inner wall of the cavity, and the T-shaped plug is opposite to the cavity. A tension spring is fixedly connected, a positioning groove is provided on the inner wall of the slide groove, the surface of the T-shaped plug block overlaps the inner wall of the positioning groove, both sides of the T-shaped plug block are arc-shaped, a rotating hole is provided on the side of the slider, the inner wall of the rotating hole is rotatably connected with a hexagonal screw, the surface of the hexagonal screw is threadedly connected with a blocking block, a limiting hole is provided on the side of the blocking block, the inner wall of the cavity is fixedly connected with a limiting rod, the surface of the limiting rod overlaps the inner wall of the limiting hole, the hexagonal screw is rotated, and under the limit of the limiting rod, the blocking block moves to between the two T-shaped plug blocks to block the T-shaped plug block to prevent the T-shaped plug block from being stored under force.

[0006] A further solution is that the lower surface of the mold base is fixedly connected to a mounting base by bolts, the upper surface of the mounting base is fixedly connected to a positioning box, the inner wall of the positioning box is slidably connected to a sliding block, the sliding block and the opposite surface of the positioning box are fixedly connected to a spring, the sliding block is fixedly connected to a positioning block on a side away from the spring, the upper and lower surfaces of the positioning block are both arc-shaped, a through opening is provided on the side of the positioning box, the surface of the positioning block overlaps the inner wall of the through opening, the lower surface of the mold base is provided with a square groove, the surface of the positioning box overlaps the inner wall of the square groove, the inner side wall of the square groove is provided with a connecting groove matched with the positioning block, the surface of the positioning block overlaps the inner wall of the connecting groove, the mounting base is connected to the injection molding machine, and the arrangement of the positioning box, the sliding block, the spring and the positioning block facilitates the initial fixation of the mold base on the mounting base and the installation of the bolts.

[0007] Technical effects and advantages of the utility model:

[0008] 1. The fan blade injection molding mold injects water into the cooling water channel through the connecting pipe for cooling after injection molding. When the water channel is blocked and cannot be cleaned, the hexagonal screw can be rotated. The hexagonal screw rotates. Under the limit of the limit rod, the blocking block moves away from the T-shaped plug and pulls the cooling plate. The arc surface of the T-shaped plug is forcefully stored in the cavity. The cooling plate can be pulled out and replaced with a new cooling plate. The cooling plate is inserted into the groove. The arc surface of the T-shaped plug is also forcefully stored. The tension spring is stretched. When the T-shaped plug moves to the positioning groove, the tension spring can pull the T-shaped plug into the positioning groove. The hexagonal screw is rotated. At this time, the blocking block moves between the two T-shaped plugs to block the T-shaped plug, avoiding the storage of the T-shaped plug, and completing the fixing of the cooling plate. The mold realizes the split design of the cooling water channel and the mold body, which is convenient for replacement after a water channel failure and reduces expenses.

[0009] 2. The mold for injection molding of the wind blade is to place the mold base on the mounting base, insert the positioning box into the square groove, and the arc surface of the positioning block is received in the positioning box under force. The spring is squeezed, and when the positioning block is aligned with the connecting groove, the elastic force of the spring pushes the positioning block into the connecting groove. At this time, the mold base is initially positioned, which is convenient for the installation of the bolts between the mounting base and the mold base, and the installation of the mold is convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0011] Figure 2 It is a schematic diagram of the top-sectional structure of the mold base of the utility model.

[0012] Figure 3 It is a schematic diagram of the front section structure of the mold base of the utility model.

[0013] The accompanying drawings are marked as: 1 molding seat, 2 mold base, 3 slider, 4 cooling plate, 5 connecting pipe, 6 T-shaped plug, 7 tension spring, 8 hexagonal screw, 9 blocking block, 10 limiting rod, 11 mounting seat, 12 positioning box, 13 sliding block, 14 spring, 15 positioning block. DETAILED DESCRIPTION

[0014] A mold for injection molding of wind blades, referring to Figure 1-3 , including a molding seat 1 and a mold base 2, the lower surface of the molding seat 1 is fixedly connected to the upper surface of the mold base 2, a groove is provided on the upper surface of the mold base 2, a slide groove is provided on the inner bottom wall of the groove, a slider 3 is slidably connected to the inner wall of the slide groove, the side of the slider 3 and the side of the molding seat 1 are located in the same plane, the upper surface of the slider 3 is fixedly connected to a cooling plate 4, the number of the sliders 3 is four, and the four sliders 3 are arranged in a rectangular array on the lower surface of the cooling plate 4.

[0015] The surface of the cooling plate 4 overlaps the inner wall of the groove, a cooling water channel is provided inside the cooling plate 4, and a connecting pipe 5 is installed at the opening of the cooling water channel. A cavity is provided inside the slider 3, and a T-shaped plug 6 is slidably connected to the inner wall of the cavity. A tension spring 7 is fixedly connected to the opposite surface of the T-shaped plug 6 and the cavity. A positioning groove is provided on the inner wall of the slide groove, and the surface of the T-shaped plug 6 overlaps the inner wall of the positioning groove. Both sides of the T-shaped plug 6 are arc-shaped. A rotating hole is provided on the side of the slider 3, and a hexagonal screw 8 is rotatably connected to the inner wall of the rotating hole. A blocking block 9 is threadedly connected to the surface of the hexagonal screw 8. A limiting hole is provided on the side of the blocking block 9, and a limiting rod 10 is fixedly connected to the inner wall of the cavity. The surface of the limiting rod 10 overlaps the inner wall of the limiting hole. .

[0016] The inner hexagonal screw 8 is rotated, and the inner hexagonal screw 8 is rotated. Under the limit of the limit rod 10, the blocking block 9 moves away from the T-shaped plug 6, pulling the cooling plate 4. The arc surface of the T-shaped plug 6 is forcefully accommodated in the cavity, and the cooling plate 4 can be pulled out and replaced with a new cooling plate 4. The cooling plate 4 is inserted into the groove, and the arc surface of the T-shaped plug 6 is also forcefully accommodated. The tension spring 7 is stretched, and when the T-shaped plug 6 moves to the positioning groove, the tension spring 7 can pull the T-shaped plug 6 into the positioning groove, and the inner hexagonal screw 8 is rotated. At this time, the blocking block 9 moves between the two T-shaped plugs 6 to block the T-shaped plug 6, avoid the accommodation of the T-shaped plug 6, and complete the fixing of the cooling plate 4, so that the mold realizes the split design of the cooling waterway and the mold body, which is convenient for replacement after a waterway failure and reduces expenses.

[0017] The lower surface of the mold base 2 is fixedly connected to a mounting base 11 by bolts, and the mounting base 11 is fixedly installed on the injection molding machine by bolts. The upper surface of the mounting base 11 is fixedly connected to a positioning box 12, and the inner wall of the positioning box 12 is slidably connected to a sliding block 13. The sliding block 13 and the opposite surface of the positioning box 12 are fixedly connected to a spring 14, and the side of the sliding block 13 away from the spring 14 is fixedly connected to a positioning block 15.

[0018] The upper and lower surfaces of the positioning block 15 are both arc-shaped, a through opening is provided on the side of the positioning box 12, the surface of the positioning block 15 overlaps with the inner wall of the through opening, a square groove is provided on the lower surface of the mold base 2, the surface of the positioning box 12 overlaps with the inner wall of the square groove, a connecting groove adapted to the positioning block 15 is provided on the inner side wall of the square groove, and the surface of the positioning block 15 overlaps with the inner wall of the connecting groove.

[0019] The mold base 2 is placed on the mounting base 11, and the positioning box 12 is inserted into the square groove. The arc surface of the positioning block 15 is received in the positioning box 12 under force, and the spring 14 is squeezed. When the positioning block 15 is aligned with the connecting groove, the elastic force of the spring 14 pushes the positioning block 15 to be inserted into the connecting groove. At this time, the mold base 2 is initially positioned, which is convenient for the installation of the bolts between the mounting base 11 and the mold base 2, and the installation of the mold is convenient.

[0020] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A mold for injection molding of wind blades, comprising a molding seat (1) and a mold base (2), characterized in that: The lower surface of the molding seat (1) is fixedly connected to the upper surface of the mold seat (2); the upper surface of the mold seat (2) is provided with a groove; the inner bottom wall of the groove is provided with a slide groove; the inner wall of the slide groove is slidably connected to a slider (3); the upper surface of the slider (3) is fixedly connected to a cooling plate (4); the surface of the cooling plate (4) overlaps the inner wall of the groove; a cooling water channel is provided inside the cooling plate (4); a connecting pipe (5) is installed at the opening of the cooling water channel; a cavity is provided inside the slider (3); the inner wall of the cavity is slidably connected to a T-shaped plug (6); the T-shaped plug The block (6) is fixedly connected with a tension spring (7) on the opposite surface of the cavity, a positioning groove is provided on the inner wall of the slide groove, the surface of the T-shaped plug block (6) overlaps the inner wall of the positioning groove, both sides of the T-shaped plug block (6) are arc-shaped, a rotating hole is provided on the side of the slider (3), a hexagonal screw (8) is rotatably connected to the inner wall of the rotating hole, a blocking block (9) is threadedly connected to the surface of the hexagonal screw (8), a limiting hole is provided on the side of the blocking block (9), a limiting rod (10) is fixedly connected to the inner wall of the cavity, and the surface of the limiting rod (10) overlaps the inner wall of the limiting hole.

2. The mold for injection molding of wind blades according to claim 1, characterized in that: The lower surface of the mold base (2) is fixedly connected to a mounting seat (11) via bolts, and the upper surface of the mounting seat (11) is fixedly connected to a positioning box (12).

3. A mold for injection molding of wind blades according to claim 2, characterized in that: The inner wall of the positioning box (12) is slidably connected to a sliding block (13), and the sliding block (13) and the opposite surface of the positioning box (12) are fixedly connected to a spring (14).

4. A mold for injection molding of wind blades according to claim 3, characterized in that: A positioning block (15) is fixedly connected to a side of the sliding block (13) away from the spring (14); the upper and lower surfaces of the positioning block (15) are both arc-shaped; a through opening is provided on the side of the positioning box (12); and the surface of the positioning block (15) overlaps the inner wall of the through opening.

5. The mold for injection molding of wind blades according to claim 4, characterized in that: A square groove is provided on the lower surface of the mold base (2), and the surface of the positioning box (12) overlaps the inner wall of the square groove.

6. A mold for injection molding of wind blades according to claim 5, characterized in that: The inner side wall of the square groove is provided with a connecting groove matched with the positioning block (15), and the surface of the positioning block (15) overlaps the inner wall of the connecting groove.

7. The mold for injection molding of wind blades according to claim 1, characterized in that: The number of the sliding blocks (3) is four, and the four sliding blocks (3) are arranged in a rectangular array on the lower surface of the cooling plate (4).

8. The mold for injection molding of wind blades according to claim 7, characterized in that: The side surface of the sliding block (3) and the side surface of the shaping seat (1) are located in the same plane.

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