Plastic strip mold

Abstract

The utility model discloses a plastic strip mold which comprises a front mold and a rear mold, a sprue is arranged on the front mold, a front mold cooling system is arranged in the front mold, and a rear mold cooling system is arranged in the rear mold; a mold sliding block group is arranged between the front mold and the rear mold, the front mold cooling system comprises a first circulating cooling water runner and a second circulating cooling water runner, the first circulating cooling water runner and the second circulating cooling water runner are paved on the surface of the front mold, and the rear mold cooling system comprises a plurality of groups of circulating cooling water runners; and a plurality of groups of circulating cooling water runners are paved on the surface of the rear mold. The plastic strip mold is provided with the front mold cooling system and the rear mold cooling system, so that warpage, burrs, flashes and burrs of plastic strip products are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a plastic strip mold. Background Art

[0002] The existing commonly used plastic strip molds have the following technical problems: 1. The mold feeding method is hot runner. The temperature of the mold using hot runner is high. Polystyrene materials are particularly sensitive to temperature, which causes the product to be easily warped and have large burrs. 2. The mold cooling system has a diameter of 6mm. The mold cooling system is not good, resulting in a long injection molding cycle and low production efficiency. 3. The mold slider and the mold core are semi-circular positioning methods. The semi-circular positioning of the mold slider and the mold core is not reliable, causing the slider to easily crush the mold. 4. The molding cycle process is fully automatic and the cycle is 38 seconds. Utility Model Content

[0003] In order to overcome the deficiencies of the prior art solutions, the utility model provides a plastic strip mold, which can effectively solve the problems raised by the background technology.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a plastic strip mold, including a front mold and a rear mold, the front mold is provided with a gate, the front mold is provided with a front mold cooling system, and the rear mold is provided with a rear mold cooling system; a mold slider group is provided between the front mold and the rear mold, the front mold cooling system includes a first circulating cooling water flow channel and a second circulating cooling water flow channel, the first circulating cooling water flow channel and the second circulating cooling water flow channel cover the surface of the front mold, and the rear mold cooling system includes multiple groups of circulating cooling water flow channels, and the multiple groups of circulating cooling water flow channels cover the surface of the rear mold.

[0005] Furthermore, the multiple groups of circulating cooling water flow channels include four groups of circulating cooling water flow channels, and the four groups of circulating cooling water flow channels are respectively a third circulating cooling water flow channel, a fourth circulating cooling water flow channel, a fifth circulating cooling water flow channel, and a sixth circulating cooling water flow channel.

[0006] Furthermore, the first circulating cooling water channel has a first water inlet and a first water outlet, and the second circulating cooling water channel has a second water inlet and a second water outlet, wherein the first water inlet and the first water outlet are located on one side of the front mold, and the second water inlet and the second water outlet are located on the other side of the front mold.

[0007] Furthermore, three cooling sections parallel to the length direction of the front mold are arranged between the first water inlet and the first water outlet, and three cooling sections parallel to the length direction of the front mold are arranged between the second water inlet and the second water outlet.

[0008] Furthermore, the third circulating cooling water channel has a third water inlet and a third water outlet, the fourth circulating cooling water channel has a fourth water inlet and a fourth water outlet, wherein the third water inlet, the third water outlet, the fourth water inlet and the fourth water outlet are located on one side of the rear mold, the fifth circulating cooling water channel has a fifth water inlet and a fifth water outlet, and the sixth circulating cooling water channel has a sixth water inlet and a sixth water outlet, wherein the fifth water inlet, the fifth water outlet, the sixth water inlet and the sixth water outlet are located on the other side of the rear mold.

[0009] Furthermore, a front mold core is arranged in the front mold, the gate is connected to the front mold core, the front mold core is located below the front mold cooling system, a rear mold core is arranged in the rear mold, the rear mold core is located above the rear mold cooling system, and a cavity for plastic strip molding is formed between the front mold core and the rear mold core.

[0010] Furthermore, the mold sliders are arranged on both sides of the rear mold core, the mold sliders are provided with round holes, and slider guide rods are arranged under the front mold, and the slider guide rods pass through the round holes.

[0011] Furthermore, the four corners below the front mold are connected to the slider guide rods, the number of the mold sliders is four, and two mold sliders are arranged on each side of the rear mold core.

[0012] Furthermore, the diameters of the front mold cooling system and the rear mold cooling system are 8 mm.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] When changing the hot runner to a cold runner, debris is less likely to clog the runner, the temperature is effectively controlled, production continuity is better, and energy consumption is reduced.

[0015] The mold is equipped with a front mold cooling system and a rear mold cooling system to improve the warping, burrs, flash and burring of plastic strip products.

[0016] The mold slide is provided with a round hole to improve the positioning of the mold slide and reduce the risk of crushing of the plastic strip mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural diagram of a plastic strip mold of the utility model;

[0018] Figure 2 This is a structural diagram of the front mold cooling system of the utility model;

[0019] Figure 3 This is a structural diagram of the rear mold cooling system of the utility model.

[0020] Explanation of the reference numerals: front mold 10; front mold core 50; gate 11; first circulating cooling water channel 61; first water inlet 611; first water outlet 612; second circulating cooling water channel 62; second water inlet 621; rear mold 40; rear mold core 70; third circulating cooling water channel 91; third water inlet 911; third water outlet 912; fourth circulating cooling water channel 92; fourth water inlet 921; fourth water outlet 922; fifth circulating cooling water channel 93; fifth water inlet 931; sixth circulating cooling water channel 94; sixth water inlet 941; mold slider 30; round hole 31; slider guide rod 32; plastic strip 20. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1 As shown, a plastic strip 20 mold includes a front mold 10 and a rear mold 40. The front mold 10 is provided with a gate 11, the front mold 10 is provided with a front mold 10 cooling system, and the rear mold 40 is provided with a rear mold 40 cooling system; a mold slider 30 group is provided between the front mold 10 and the rear mold 40, the front mold 10 cooling system includes a first circulating cooling water flow channel 61 and a second circulating cooling water flow channel 62, the first circulating cooling water flow channel 61 and the second circulating cooling water flow channel 62 are spread over the surface of the front mold 10, and the rear mold 40 cooling system includes multiple groups of circulating cooling water flow channels, and the multiple groups of circulating cooling water flow channels are spread over the surface of the rear mold 40.

[0023] Furthermore, the plurality of groups of circulating cooling water channels include four groups of circulating cooling water channels, and the four groups of circulating cooling water channels are respectively a third circulating cooling water channel 91 , a fourth circulating cooling water channel 92 , a fifth circulating cooling water channel 93 , and a sixth circulating cooling water channel 94 .

[0024] like Figure 2 As shown, the first circulating cooling water channel 61 has a first water inlet 611 and a first water outlet 612, and the second circulating cooling water channel 62 has a second water inlet 621 and a second water outlet, wherein the first water inlet 611 and the first water outlet 612 are located on one side of the front mold 10, and the second water inlet 621 and the second water outlet are located on the other side of the front mold 10.

[0025] Furthermore, three cooling sections parallel to the length direction of the front mold 10 are provided between the first water inlet 611 and the first water outlet 612 , and three cooling sections parallel to the length direction of the front mold 10 are provided between the second water inlet 621 and the second water outlet.

[0026] like Figure 3 As shown, the third circulating cooling water channel 91 has a third water inlet 911 and a third water outlet 912, the fourth circulating cooling water channel 92 has a fourth water inlet 921 and a fourth water outlet 922, wherein the third water inlet 911, the third water outlet 912, the fourth water inlet 921 and the fourth water outlet 922 are located on one side of the rear mold 40, the fifth circulating cooling water channel 93 has a fifth water inlet 931 and a fifth water outlet, the sixth circulating cooling water channel 94 has a sixth water inlet 941 and a sixth water outlet, wherein the fifth water inlet 931, the fifth water outlet, the sixth water inlet 941 and the sixth water outlet are located on the other side of the rear mold 40.

[0027] Furthermore, a front mold core 50 is provided in the front mold 10, and the gate 11 is connected to the front mold core 50, and the front mold core 50 is located below the cooling system of the front mold 10. A rear mold core 70 is provided in the rear mold 40, and the rear mold core 70 is located above the cooling system of the rear mold 40. A cavity for molding the plastic strip 20 is formed between the front mold core 50 and the rear mold core 70.

[0028] Furthermore, the mold sliders 30 are arranged on both sides of the rear mold core 70 , the mold sliders 30 are provided with round holes 31 , and slider guide rods 32 are arranged below the front mold 10 , and the slider guide rods 32 pass through the round holes 31 .

[0029] Furthermore, the four corners below the front mold 10 are connected to the slider guide rods 32 , the number of the mold sliders 30 is four, and two mold sliders 30 are arranged on each side of the rear mold core 70 .

[0030] Furthermore, the diameters of the front mold cooling system and the rear mold cooling system are 8 mm.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A plastic strip mold, characterized in that: The mold comprises a front mold and a rear mold, wherein a gate is arranged on the front mold, a front mold cooling system is arranged in the front mold, and a rear mold cooling system is arranged in the rear mold; a mold slider group is arranged between the front mold and the rear mold, The front mold cooling system includes a first circulating cooling water channel and a second circulating cooling water channel, wherein the first circulating cooling water channel and the second circulating cooling water channel cover the surface of the front mold. The rear mold cooling system includes multiple sets of circulating cooling water flow channels, and the multiple sets of circulating cooling water flow channels cover the surface of the rear mold.

2. The plastic strip mold according to claim 1, characterized in that: The multiple groups of circulating cooling water flow channels include four groups of circulating cooling water flow channels, and the four groups of circulating cooling water flow channels are respectively a third circulating cooling water flow channel, a fourth circulating cooling water flow channel, a fifth circulating cooling water flow channel, and a sixth circulating cooling water flow channel.

3. The plastic strip mold according to claim 2, characterized in that: The first circulating cooling water channel has a first water inlet and a first water outlet, and the second circulating cooling water channel has a second water inlet and a second water outlet, wherein the first water inlet and the first water outlet are located on one side of the front mold, and the second water inlet and the second water outlet are located on the other side of the front mold.

4. The plastic strip mold according to claim 3, characterized in that: Three cooling sections parallel to the length direction of the front mold are arranged between the first water inlet and the first water outlet, and three cooling sections parallel to the length direction of the front mold are arranged between the second water inlet and the second water outlet.

5. The plastic strip mold according to claim 4, characterized in that: The third circulating cooling water channel has a third water inlet and a third water outlet, the fourth circulating cooling water channel has a fourth water inlet and a fourth water outlet, wherein the third water inlet, the third water outlet, the fourth water inlet and the fourth water outlet are located on one side of the rear mold, the fifth circulating cooling water channel has a fifth water inlet and a fifth water outlet, and the sixth circulating cooling water channel has a sixth water inlet and a sixth water outlet, wherein the fifth water inlet, the fifth water outlet, the sixth water inlet and the sixth water outlet are located on the other side of the rear mold.

6. The plastic strip mold according to claim 5, characterized in that: A front mold core is arranged in the front mold, the gate is connected to the front mold core, the front mold core is located below the front mold cooling system, a rear mold core is arranged in the rear mold, the rear mold core is located above the rear mold cooling system, and a cavity for plastic strip molding is formed between the front mold core and the rear mold core.

7. The plastic strip mold according to claim 6, characterized in that: The mold slide blocks are arranged on both sides of the rear mold core, the mold slide blocks are provided with round holes, and slide block guide rods are arranged under the front mold, and the slide block guide rods pass through the round holes.

8. The plastic strip mold according to claim 7, characterized in that: The four corners below the front mold are all connected to the slider guide rods. The number of mold sliders is four, and two mold sliders are arranged on each side of the rear mold core.

9. The plastic strip mold according to claim 8, characterized in that: The diameter of the front mold cooling system and the rear mold cooling system is 8mm.

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