Novel EVA foam forming mold

Abstract

The utility model discloses a novel EVA foam forming mold which comprises a supporting table, a U-shaped plate is fixed to the top of the supporting table, two electric push rods are symmetrically fixed to the top of the U-shaped plate, the ejection ends of the two electric push rods penetrate through the inner wall of the top of the U-shaped plate in a sliding mode and are fixedly provided with mounting plates, and a mold base is fixed to the tops of the two mounting plates. The top of the U-shaped plate fixedly communicates with a filling pipe used for filling a molten EVA foaming material, an ejection assembly used for ejecting an EVA foaming material finished product out is arranged on the mold base, and a cooling runner is formed in the mold base. According to the utility model, the cooling water in the water storage tank can be well cooled by arranging the heat dissipation assembly on the water storage tank, so that the subsequent cooling effect of the die holder can be improved, the formed EVA foam material finished product can be conveniently ejected by arranging the ejection assembly, the use effect is good, and the usability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a novel EVA foaming molding mold. Background Art

[0002] EVA foam board has the advantages of shock resistance, heat insulation, buffering, moisture resistance, antibacterial and waterproof, and resistance to chemical pollution, so it is widely used in various fields. For example, it can be used to make packaging gaskets, civil construction boards, etc. When producing EVA foam board, the molten EVA foam material is usually injected into the mold, and then cooled and formed. At present, the mold is usually cooled by water, and in order to save water, the cooling water is recycled. However, after the cooling water passes through the mold with a higher temperature, the temperature of the cooling water will increase, which will lead to a decrease in the subsequent cooling effect of the mold. Therefore, we proposed a new EVA foam molding mold to solve the above problems. Utility Model Content

[0003] 1. Technical issues to be resolved

[0004] In view of the deficiencies in the prior art, the utility model provides a novel EVA foaming molding die, which solves the problems raised in the above-mentioned background technology.

[0005] (II) Technical solution

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A novel EVA foaming molding mold comprises a support platform, a U-shaped plate is fixed on the top of the support platform, two electric push rods are symmetrically fixed on the top of the U-shaped plate, the ejection ends of the two electric push rods slide through the top inner wall of the U-shaped plate and are fixed with a mounting plate, a mold base is fixed on the top of the two mounting plates, a filling pipe for filling molten EVA foaming material is fixedly connected to the top of the U-shaped plate, an ejection component for ejecting EVA foaming material finished products is arranged on the mold base, a cooling flow channel is opened in the mold base, and the support platform A water tank and a water pump are fixed on the top respectively, a water pumping hard pipe is fixed to the water pumping end of the water pump, one end of the water pumping hard pipe extends into the water tank, a water supply hose is fixed to the water outlet end of the water pump, connecting hard pipes fixedly connected to the cooling channel are fixed to both side walls of the mold base, one end of the water supply hose is fixedly connected to an adjacent connecting hard pipe, one end of the other connecting hard pipe is connected and fixed to a return water hose, one end of the return water hose is fixedly connected to a side wall of the water tank, and a heat dissipation component for heat dissipation of the water source is provided on the water tank.

[0008] Furthermore, the ejection assembly includes an ejection plate that fits and slides inside the mold cavity of the mold base, four sliding rods are symmetrically fixed to the bottom of the ejection plate, the four sliding rods all slide through the bottom of the mold base, a connecting plate is fixed to the bottom of the four sliding rods, the surfaces of the four sliding rods are all sleeved with a first spring, and the two ends of the first spring are respectively fixedly connected to the top of the connecting plate and the bottom of the mold base.

[0009] The top end of the motor is fixed with a first gear and a second gear is connected with a third gear through the gear to the first gear of the motor, and the second gear is connected with a gear by a shaft to move upwards to move the motor, and the second gear is connected with a gear to move upwards to move the motor.

[0010] Furthermore, two guide rods are symmetrically fixed on the top of the two mounting plates, and the four guide rods slide through the top of the U-shaped plate.

[0011] Furthermore, anti-skid rubber pads are fixed to the four corners of the bottom of the support platform.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a new EVA foaming molding mold, which has the following beneficial effects:

[0014] The utility model can dissipate heat for cooling water in the water tank better by arranging a heat dissipation component on the water tank, thereby improving the subsequent cooling effect of the mold base, and can conveniently eject the formed EVA foam material finished product by arranging an ejection component, so that the use effect is good and the usability is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall first-view three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall second viewing angle stereoscopic structure of the utility model;

[0017] Figure 3This is a side view structural diagram of the U-shaped plate of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the cross-section structure at the middle edge AA;

[0019] Figure 5 This is a schematic diagram of the mold base structure of the utility model;

[0020] Figure 6 It is a schematic diagram of the structure of the ejector plate of the utility model.

[0021] In the figure: 1, support table; 2, U-shaped plate; 3, electric push rod; 4, mounting plate; 5, mold base; 6, filling pipe; 7, ejector assembly; 701, ejector plate; 702, slide bar; 703, connecting plate; 704, first spring; 8, cooling channel; 9, water storage tank; 10, water pump; 11, water extraction hard pipe; 12, water supply hose; 13, connecting hard pipe; 14, water return hose; 15, heat dissipation assembly; 1501, fixed plate; 1502, horizontal plate; 1503, L-shaped seat; 1504, motor; 1505, rotating shaft; 1506, fan blades; 1507, rotating rod; 1508, first sprocket; 1509, second sprocket; 1510, chain; 1511, cam; 1512, mounting rod; 1513, water pushing plate; 1514, paddle plate; 1515, second spring; 16, guide rod. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example

[0024] like Figure 1-6As shown, a novel EVA foaming molding mold proposed in an embodiment of the utility model comprises a support platform 1, a U-shaped plate 2 is fixed on the top of the support platform 1, two electric push rods 3 are symmetrically fixed on the top of the U-shaped plate 2, the ejection ends of the two electric push rods 3 slide through the top inner wall of the U-shaped plate 2 and are fixed with a mounting plate 4, a mold base 5 is fixed on the top of the two mounting plates 4, a filling pipe 6 for filling molten EVA foaming material is fixedly connected to the top of the U-shaped plate 2, an ejection component 7 for ejecting the EVA foaming material finished product is arranged on the mold base 5, and a cooling flow is provided in the mold base 5. The cooling channel 8 is fixed to the top of the support platform 1, and a water tank 9 and a water pump 10 are fixed to the top of the support platform 1. A water pumping hard pipe 11 is fixed to the water pumping end of the water pump 10. One end of the water pumping hard pipe 11 extends into the water tank 9. A water supply hose 12 is fixed to the water outlet end of the water pump 10. Both side walls of the mold base 5 are fixed with connecting hard pipes 13 connected and fixed to the cooling channel 8. One end of the water supply hose 12 is connected and fixed to an adjacent connecting hard pipe 13. One end of the other connecting hard pipe 13 is connected and fixed to a return hose 14. One end of the return hose 14 is fixedly connected to a side wall of the water tank 9. The water tank 9 is provided with a useful The heat dissipation component 15 for heat dissipation by water source, when in use, adds the molten EVA foam material from the filling pipe 6, the molten EVA foam material will enter the mold cavity of the mold base 5, start the water pump 10, the water pump 10 can transport the cooling water in the water storage tank 9 to the adjacent connecting hard pipe 13 through the water pumping hard pipe 11 and the water supply hose 12, and enter the cooling flow channel 8 of the mold base 5, the cooling water can absorb the heat of the mold base 5, so as to accelerate the curing of the EVA foam material, the cooling water passing through the mold base 5 with a higher temperature will pass through another connecting hard pipe 13, and then pass through the return The water hose 14 flows into the water tank 9. The heat dissipation component 15 can be used to dissipate the cooling water in the water tank 9, thereby improving the subsequent cooling effect of the mold base 5. When the EVA foam material in the mold base 5 is solidified and formed, the two electric push rods 3 are started. The ejection ends of the electric push rods 3 extend to drive the mounting plate 4 to move downward. The two mounting plates 4 can drive the mold base 5 to move downward. During the downward movement of the mold base 5, the ejection component 7 can be used to eject the EVA foam board finished parts in the mold base 5, so that it is convenient for the staff to take it, so the overall use effect is better.

[0025] like Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, in some embodiments, the ejection assembly 7 includes an ejection plate 701 that fits and slides inside the mold cavity of the mold base 5, four slide bars 702 are symmetrically fixed to the bottom of the ejection plate 701, and the four slide bars 702 all slide through the bottom of the mold base 5, and a connecting plate 703 is fixed to the bottom of the four slide bars 702, and the surfaces of the four slide bars 702 are all sleeved with a first spring 704, and the two ends of the first spring 704 are respectively fixedly connected to the top of the connecting plate 703 and the bottom of the mold base 5. During the downward movement of the mold base 5, when the bottom of the connecting plate 703 fits with the top of the support platform 1, the mold base 5 continues to move downward, and the ejection plate 701 will move upward relative to the mold base 5, so that the EVA foam board finished product in the mold base 5 can be ejected.

[0026] like Figure 1 and Figure 2As shown, in some embodiments, the heat dissipation component 15 includes a fixing plate 1501 fixed to the top of one end of the water tank 9, a horizontal plate 1502 is fixed to the top of the fixing plate 1501, an L-shaped seat 1503 is fixed to the top of one end of the horizontal plate 1502, a motor 1504 is fixed to the top of the L-shaped seat 1503, a rotating shaft 1505 is fixed to the output shaft of the motor 1504, the rotating shaft 1505 passes through the bottom of the horizontal plate 1502 and is fixed with a fan blade 1506, the rotating shaft 1505 is rotatably connected to the horizontal plate 1502 through a bearing, and the horizontal plate 1502 is away from the rotating shaft 1505. One end is rotatably connected with a rotating rod 1507 through a bearing, a first sprocket 1508 is fixed to the top of the rotating shaft 1505, a second sprocket 1509 is fixed to the top of the rotating rod 1507, the first sprocket 1508 is transmission-connected with the second sprocket 1509 through a chain 1510, a cam 1511 is fixed to the bottom end of the rotating rod 1507, a mounting rod 1512 is slidably penetrated through one side wall of the water storage tank 9, a water push plate 1513 is equidistantly fixed to the surface of the mounting rod 1512 located in the water storage tank 9, a paddle plate 1514 is fixed to one end of the mounting rod 1512, and the mounting rod 1512 is The surface of the second spring 1515 is sleeved, and the two ends of the second spring 1515 are fixedly connected to a side wall of the water tank 9 and a side wall of the dial plate 1514 respectively. The dial plate 1514 is tightly fitted with the cam 1511. The motor 1504 is started, and the motor 1504 can drive the rotating shaft 1505 to rotate. The rotating shaft 1505 can drive the fan blade 1506 to rotate, so that the cooling water in the water tank 9 can be blown, so that a better heat dissipation effect can be achieved. The rotating shaft 1505 can drive the first sprocket 1508 to rotate, and the first sprocket 1508 is connected to the chain 1510. The second sprocket 1509 can be driven to rotate, the second sprocket 1509 can be driven to rotate the rotating rod 1507, the rotating rod 1507 can be driven to rotate the cam 1511, under the action of the second spring 1515, the rotation of the cam 1511 can drive the paddle plate 1514 to reciprocate in the horizontal direction, the paddle plate 1514 can drive the mounting rod 1512 to reciprocate, the mounting rod 1512 can drive the water pusher plate 1513 to reciprocate in the water tank 9, so that the cooling water in the water tank 9 can be moved, which can further improve the heat dissipation effect of the cooling water.

[0027] like Figure 1 As shown, in some embodiments, two guide rods 16 are symmetrically fixed to the top of the two mounting plates 4, and the four guide rods 16 slide through the top of the U-shaped plate 2 so that the mounting plates 4 can move more stably in the vertical direction. Anti-slip rubber pads are fixed to the four corners of the bottom of the support platform 1, which can have a better anti-slip effect, thereby making the overall placement more stable.

[0028] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A novel EVA foaming molding die, comprising a support platform (1), characterized in that: A U-shaped plate (2) is fixed on the top of the support platform (1), two electric push rods (3) are symmetrically fixed on the top of the U-shaped plate (2), the ejection ends of the two electric push rods (3) slide through the top inner wall of the U-shaped plate (2) and are fixed with a mounting plate (4), a mold base (5) is fixed on the top of the two mounting plates (4), a filling pipe (6) for filling molten EVA foam material is fixedly connected to the top of the U-shaped plate (2), an ejection assembly (7) for ejecting EVA foam material finished parts is arranged on the mold base (5), a cooling flow channel (8) is opened in the mold base (5), and a water tank (9) and a water pump (10) are respectively fixed on the top of the support platform (1). ), a water pumping hard pipe (11) is fixed to the water pumping end of the water pump (10), one end of the water pumping hard pipe (11) extends into the water storage tank (9), a water supply hose (12) is fixed to the water outlet end of the water pump (10), both side walls of the mold base (5) are fixed with connecting hard pipes (13) connected and fixed to the cooling channel (8), one end of the water supply hose (12) is connected and fixed to an adjacent connecting hard pipe (13), one end of the other connecting hard pipe (13) is connected and fixed to a return hose (14), one end of the return hose (14) is fixedly connected to a side wall of the water storage tank (9), and a heat dissipation component (15) for water source heat dissipation is provided on the water storage tank (9).

2. The novel EVA foaming molding mold according to claim 1, characterized in that: The ejection assembly (7) comprises an ejection plate (701) which fits and slides inside the mold cavity of the mold base (5); four slide bars (702) are symmetrically fixed to the bottom of the ejection plate (701); the four slide bars (702) all slide through the bottom of the mold base (5); a connecting plate (703) is fixed to the bottom of the four slide bars (702); the surfaces of the four slide bars (702) are all sleeved with a first spring (704); the two ends of the first spring (704) are respectively fixedly connected to the top of the connecting plate (703) and the bottom of the mold base (5).

3. The novel EVA foaming molding mold according to claim 1, characterized in that: The heat dissipation component (15) comprises a fixing plate (1501) fixed to the top of one end of the water storage tank (9); a transverse plate (1502) is fixed to the top of the fixing plate (1501); an L-shaped seat (1503) is fixed to the top of one end of the transverse plate (1502); a motor (1504) is fixed to the top of the L-shaped seat (1503); a rotating shaft (1505) is fixed to the output shaft of the motor (1504); the rotating shaft (1505) passes through the bottom of the transverse plate (1502) and is fixed with a fan blade (1506); the rotating shaft (1505) is rotatably connected to the transverse plate (1502) via a bearing; one end of the transverse plate (1502) away from the rotating shaft (1505) is rotatably connected to a rotating rod (1507) via a bearing; a first sprocket (1508) is fixed to the top of the rotating shaft (1505); A second sprocket (1509) is fixed to the top of the rotating rod (1507), the first sprocket (1508) is transmission-connected to the second sprocket (1509) via a chain (1510), a cam (1511) is fixed to the bottom of the rotating rod (1507), a mounting rod (1512) is slidably penetrated through a side wall of the water storage tank (9), a water pusher plate (1513) is equidistantly fixed to the surface of the mounting rod (1512) located in the water storage tank (9), a paddle plate (1514) is fixed to one end of the mounting rod (1512), a second spring (1515) is sleeved on the surface of the mounting rod (1512), the two ends of the second spring (1515) are respectively fixedly connected to a side wall of the water storage tank (9) and a side wall of the paddle plate (1514), and the paddle plate (1514) is tightly fitted with the cam (1511).

4. The novel EVA foaming molding mold according to claim 1 is characterized in that: Two guide rods (16) are symmetrically fixed on the top of the two mounting plates (4), and the four guide rods (16) are slidably passed through the top of the U-shaped plate (2).

5. The novel EVA foaming molding mold according to claim 1 is characterized in that: Anti-slip rubber pads are fixed to the four corners of the bottom of the support platform (1).

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