Stripping device for injection molding of plastic products

Abstract

The utility model relates to the technical field of injection molding stripping forming, in particular to a stripping device for injection molding of plastic products, which comprises a supporting plate, a male mold fixing seat fixedly connected above the supporting plate, a supporting frame fixedly mounted on one side of the supporting plate through a fixing bolt, a sliding groove formed inside the supporting frame, and a push rod connected with the sliding groove in a sliding manner, one side of the push rod is fixedly connected with a rack, the rack is in meshed connection with a gear, one side of the gear is fixedly connected with a bearing, a threaded hole is formed in the gear, and the gear is in threaded connection with a screw rod. The push rod can be matched with other ejector pin ejection mechanisms to further push the plastic part out of the mold, thorough stripping is ensured, and compared with manual operation or other modes, the demolding efficiency is greatly improved, the production time of a single product is shortened, and the overall production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding technology field, especially a kind of plastic product injection uses material removal device. BACKGROUND

[0002] With the continuous progress of industrial technology, injection molding process is widely used in automobile manufacturing, electronic appliances, medical devices, daily necessities, toys and many other industries in plastic product production due to its high efficiency, high precision and other advantages, such as automobile interior parts, mobile phone shell, syringe, plastic cup, toy model, etc. are produced by injection molding.

[0003] From the initial simple manual operation injection molding equipment to today's highly automated, intelligent injection molding production line, injection molding can produce more and more complex, higher precision plastic products, which also puts forward higher requirements for material removal device. SUMMARY

[0004] Therefore, the utility model aims at providing a kind of plastic product injection uses material removal device to solve the problem of incomplete material removal and low material removal efficiency.

[0005] To achieve the above purpose, the utility model provides a kind of plastic product injection uses material removal device, it includes: support plate, the support plate top is fixedly connected with male die fixed base, the support plate one side is fixedly installed with support frame by fixed bolt, the support frame inside is equipped with sliding slot, and slidingly connected with push rod, the push rod one side is fixedly connected with rack, the rack is engagedly connected with gear, the gear one side is fixedly connected with bearing, the gear inside is equipped with screw hole, and screw is connected with screw rod.

[0006] As an optional implementation, the bearing is fixedly connected on bearing fixed base, the bearing fixed base is fixedly connected on the support frame, and the bearing fixed base is fixedly connected with screw rod support frame away from the gear side.

[0007] As an optional implementation, the push rod is screw-connected with adjusting bolt away from the gear end, and the adjusting bolt is fixedly connected on the ejector pin plate.

[0008] As an optional implementation, the ejector pin plate is provided with several evenly distributed ejector pins, and the ejector pins are slidingly connected on the support plate and the male die fixed base.

[0009] As an optional implementation, the ejector pin plate is fixedly connected with ejector pin fixed plate away from the support plate end.

[0010] As an optional implementation, the mold feet are arranged on both sides of the ejector pin fixing plate, one end of the mold feet is fixedly connected to the support plate, and the other end of the mold feet is fixedly connected with the base.

[0011] As an optional implementation, the base is provided with a through hole at a center position of the ejector pin fixing plate.

[0012] The utility model discloses beneficial effect:

[0013] 1. The utility model discloses a push rod moves up and down, drives gear clockwise and counterclockwise rotation, and then makes screw rod move left and right, thereby can after injection molding, for some deep plastic parts, push rod can cooperate with other ejector pin ejection mechanism, further push plastic parts from the mould, ensure that the material is completely removed, compared with manual operation or other ways, greatly improve the demoulding efficiency, reduce the production time of single product, and then improve the overall production efficiency.

[0014] 2. The utility model discloses through the adjustment of the length of the adjusting bolt, and then the stroke of screw rod is in the inside of plastic part is adjusted, can ensure that injection plastic is effectively pushed out in the demoulding process, avoids the problem, such as deformation, damage, of product because of improper demoulding, helps to guarantee product size precision and appearance quality. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is the whole structure schematic diagram of injection mold of the embodiment of the utility model;

[0017] Figure 2 It is the whole cutaway schematic diagram of injection mold of the embodiment of the utility model;

[0018] Figure 3 It is the whole structure schematic diagram of injection demolding device of the embodiment of the utility model;

[0019] Figure 4 It is the local enlarged schematic diagram of injection demolding device of the embodiment of the utility model;

[0020] Figure 5 It is the cutaway schematic diagram of injection demolding device of the embodiment of the utility model.

[0021] Marked in the drawing as:

[0022] 1, ejector pin; 2, male mold fixed seat; 3, support plate; 4, ejector pin plate; 5, ejector pin fixed plate; 6, base; 7, through hole; 8, support frame; 9, screw support frame; 10, screw; 11, gear; 12, bearing; 13, push rod; 14, fixed bolt; 15, adjusting bolt; 16, bearing fixed seat; 17, rack; 18, mold foot. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with specific embodiments.

[0024] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the utility model should be understood as the usual meaning by those skilled in the art to which the utility model belongs. The "first", "second" and similar words used in the utility model do not represent any order, quantity or importance, but are only used to distinguish different components. "Include" or "contain" and similar words mean that the elements or objects before the word cover the elements or objects listed after the word and their equivalents, and do not exclude other elements or objects. "Connection" or "connected" and similar words are not limited to physical or mechanical connection, but can include electrical connection, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to represent the relative positional relationship, when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0025] As shown in Figures 1-5 A plastic product injection molding stripper, comprising: a support plate 3, the support plate 3 is fixedly connected with a male mold fixed seat 2 above, a support frame 8 is fixedly installed on one side of the support plate 3 through a fixed bolt 14, a sliding groove is formed in the support frame 8, and a push rod 13 is slidably connected, the push rod 13 is fixedly connected with a rack 17 on one side, the rack 17 is meshingly connected with a gear 11, the gear 11 is fixedly connected with a bearing 12 on one side, a threaded hole is formed in the gear 11, and a screw 10 is threadedly connected.

[0026] The bearing 12 is fixedly connected to the bearing fixed seat 16, the bearing fixed seat 16 is fixedly connected to the support frame 8, and the bearing fixed seat 16 is fixedly connected with a screw support frame 9 away from the gear 11.

[0027] The push rod 13 is threadedly connected with an adjusting bolt 15 away from the gear 11, and the adjusting bolt 15 is fixedly connected to the ejector pin plate 4.

[0028] Thus, the support frame 8 is fixedly connected to one side of the support plate 3 through the fixing bolt 14, the push rod 13 is driven to move upward through the push pin fixed plate 5, the gear 11 is driven to rotate through the meshing connection between the rack 17 and the gear 11, the screw thread inside the gear 11 is threadedly connected with the screw rod 10, the gear 11 is driven to rotate clockwise and counterclockwise through the up-and-down movement of the push rod 13, and the screw rod 10 is moved left and right, so that the push rod 13 can be matched with other ejection mechanisms of the push pin 1 after injection molding, and the plastic part can be further pushed out of the mold, ensuring complete stripping, greatly improving the stripping efficiency, reducing the production time of a single product, and further improving the overall production efficiency. The push rod 13 is fixedly connected with the push pin plate 4, the length of the adjusting bolt 15 is adjusted, and the stroke of the screw rod 10 into the plastic part is adjusted, so that the injection plastic can be effectively pushed out during stripping, avoiding deformation and damage of the product due to improper stripping, and helping to ensure the product size precision and appearance quality.

[0029] As shown in Figures 1-5 As shown in Figures 1-5 As an optional embodiment, the push pin plate 4 is provided with a plurality of uniformly distributed push pins 1, and the push pins 1 are slidingly connected to the support plate 3 and the male mold fixed seat 2.

[0030] The push pin plate 4 is fixedly connected with a push pin fixed plate 5 away from the support plate 3.

[0031] The push pin fixed plate 5 is provided with a mold foot 18 on both sides, one end of the mold foot 18 is fixedly connected to the support plate 3, and the other end of the mold foot 18 is fixedly connected with a base 6.

[0032] The base 6 is provided with a through hole 7 at the center position of the push pin fixed plate 5.

[0033] Thus, the BOSS column drives the push pin fixed plate 5 to move up and down through the through hole 7, and further drives the push pin 1 to move up and down, and further drives the injection molded plastic part to be ejected from the mold.

[0034] As shown in Figures 1-5As shown, in the embodiment, the BOSS column pushes the ejector pin fixing plate 5 through the through hole 7 to drive the ejector pin 1 to move up and down, thereby pushing the injection molded plastic part to be ejected from the mold, the support frame 8 is fixedly connected to one side of the support plate 3 through the fixing bolt 14, the push rod 13 is driven to move up by pushing the ejector pin fixing plate 5, the rack 17 and the gear 11 are engaged and connected, the gear 11 is driven to rotate, the thread in the gear 11 is threadedly connected with the screw rod 10, when the push rod 13 moves up and down, the gear 11 rotates clockwise and counterclockwise, thereby the screw rod 10 moves left and right, so that after injection molding, the push rod 13 can cooperate with other ejector pin ejection mechanisms to further push the plastic part out of the mold, ensuring complete stripping, compared with manual operation or other ways, greatly improving the stripping efficiency, reducing the production time of a single product, thereby improving the overall production efficiency, the push rod 13 is fixedly connected with the ejector pin plate 4, the length of the adjusting bolt 15 is adjusted, thereby adjusting the stroke of the screw rod 10 into the plastic part, which can ensure that the injection plastic is effectively pushed out during stripping, avoid deformation, damage and other problems caused by improper stripping, and help to ensure product size precision and appearance quality.

[0035] It should be understood by those skilled in the art that the above discussion of any embodiment is only exemplary and is not intended to imply that the scope of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above. In order to be brief, they are not provided in details. Any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A stripper device for injection molding of plastic articles, characterized in that, Include: Supporting plate (3), the male die fixed base (2) is fixedly connected above the supporting plate (3), the supporting plate (3) is fixedly installed with support frame (8) on one side through fixed bolt (14), the support frame (8) is internally provided with sliding slot, and the sliding connection has push rod (13), the push rod (13) is fixedly connected with rack (17) on one side, the rack (17) is engaged with gear (11), the gear (11) is fixedly connected with bearing (12) on one side, the gear (11) is internally provided with screw hole, and the screw connection has screw rod (10).

2. The stripper device for injection molding of plastic products according to claim 1, characterized in that, The bearing (12) is fixedly connected on bearing fixed base (16), the bearing fixed base (16) is fixedly connected on the support frame (8), the bearing fixed base (16) is fixedly connected with screw rod support frame (9) on the side away from the gear (11).

3. The stripper device for injection molding of plastic articles according to claim 1, characterized in that, The push rod (13) is fixedly connected with adjusting bolt (15) on the end away from the gear (11), and the adjusting bolt (15) is fixedly connected on the thimble plate (4).

4. The stripper device for injection molding of plastic articles according to claim 3, characterized in that, The thimble plate (4) is provided with several evenly distributed thimbles (1), and the thimble (1) is slidably connected on the supporting plate (3) and the male die fixed base (2).

5. The stripper device for injection molding of plastic articles according to claim 4, characterized in that, The thimble plate (4) is fixedly connected with thimble fixed plate (5) on the end away from the supporting plate (3).

6. The stripper device for injection molding of plastic articles according to claim 5, characterized in that, The thimble fixed plate (5) is provided with die foot (18) on both sides, the die foot (18) is fixedly connected on the supporting plate (3) on one end, and the die foot (18) is fixedly connected with base (6) on the other end.

7. The stripper device for injection molding of plastic articles according to claim 6, characterized in that, The base (6) is provided with through hole (7) and is located at the center position of the thimble fixed plate (5).

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