Two-color plastic storage basket injection mold eight-slider core-pulling mechanism

Abstract

The utility model provides an eight-slider core-pulling mechanism for a two-color plastic storage basket injection mold, which belongs to the field of mold technology. It includes an upper mold plate and a lower mold plate, wherein a lower molding insert having the same shape as the inner part of the plastic storage basket is protruded on the lower mold plate, and an upper molding insert that abuts against the middle of the top surface of the lower molding insert is fixedly connected to the bottom of the upper mold plate, and the cross-section of the lower molding insert is rectangular. The first color molding cavity formed by the combination of the upper molding insert, the lower molding insert and the eight-slider core-pulling mechanism can form a side basket body of the first color by injection molding, and the upper molding insert abuts against the middle of the top surface of the lower molding insert to reserve a through groove body for injection molding the bottom of the second color basket at the bottom of the basket, and the eight-slider core-pulling mechanism can not only realize four horizontal core pulling positions corresponding to the four side surfaces of the lower molding insert, but also realize four horizontal core pulling positions corresponding to the four arc surfaces of the lower molding insert to meet the core pulling requirements at the arc surfaces.

Description

Technical Field

[0001] The utility model belongs to the technical field of molds and relates to an eight-slider core-pulling mechanism of an injection mold for a double-color plastic storage basket. Background Art

[0002] A two-color plastic storage basket is a basket whose side frame and the middle position of the basket bottom are made of plastics of different colors. During injection molding, the side frame is generally formed by injection molding through a No. 1 color mold, and then the side frame is placed in a No. 2 color mold and injected with a second color of glue to form a storage basket bottom in the middle position of the basket bottom that is different in color from the side frame. However, the basket mold in the prior art mostly adopts a four-slider core-pulling mechanism, but when the intersection of the two side surfaces of the outer surface of the basket is an arc surface and there is a position on the arc surface that requires core pulling, the four-slider core-pulling mechanism cannot achieve core pulling at the arc surface position.

[0003] For example, a Chinese patent discloses a foldable plastic storage basket encapsulated injection mold [application number: 202222281775.3], comprising an upper template and a lower template, a storage basket installation cavity for installing the plastic storage basket is provided between the upper template and the lower template, a rubber strip molding cavity for molding a protective rubber strip is formed between the storage basket installation cavity and the plastic storage basket, a bottom plate is provided below the lower template, a storage basket positioning mechanism is provided on the lower template, a double-sided glue feeding structure for injection molding is provided above the upper template, and an ejection mechanism is provided between the bottom plate and the lower template. Utility Model Content

[0004] The utility model aims to solve the above problems and provides an eight-slide core-pulling mechanism for a two-color plastic storage basket injection mold.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A two-color plastic storage basket injection mold with eight sliders and core-pulling mechanism, comprising an upper template and a lower template, wherein the lower template is protrudingly provided with a lower molding insert having the same shape as the inner part of the plastic storage basket, the bottom of the upper template is fixedly connected with an upper molding insert that abuts against the middle part of the top surface of the lower molding insert, the cross-section of the lower molding insert is rectangular, and an arc surface is provided between two adjacent side walls of the lower molding insert, and an eight-slider core-pulling mechanism is also provided between the upper template and the lower template, and the upper molding insert, the lower molding insert and the eight-slider core-pulling mechanism are combined to form a No. 1 color molding cavity.

[0007] In the above-mentioned eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold, the eight-slider core-pulling mechanism includes four No. 1 slider core-pulling assemblies corresponding to the four side walls of the lower molding insert and four No. 2 slider core-pulling assemblies corresponding to the four curved surfaces of the lower molding insert.

[0008] In the eight-slider core-pulling mechanism of the above-mentioned two-color plastic storage basket injection mold, the No. 1 slider core-pulling assembly includes a No. 1 side insert that slides with the lower template and a No. 1 translation drive assembly connected to the No. 1 side insert, and a number of protrusion forming grooves are recessed inwardly on the inner wall of the No. 1 side insert.

[0009] In the above-mentioned eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold, the No. 1 translation drive component includes a No. 1 guide slider obliquely fixed on the outer end face of the No. 1 side insert, the cross-section of the No. 1 guide slider is T-shaped, and two No. 1 drive plates are also provided on the outside of the No. 1 side insert, the two No. 1 drive plates are respectively arranged on both sides of the No. 1 guide slider and the No. 1 drive plate is inserted into the No. 1 guide groove between the No. 1 guide slider and the No. 1 side insert, and the upper template is also fixedly connected to a No. 1 drive seat connected to the No. 1 drive plate.

[0010] In the eight-slider core-pulling mechanism of the above-mentioned two-color plastic storage basket injection mold, the No. 2 slider core-pulling assembly includes a No. 2 side insert that slides with the lower template and a No. 2 translation drive assembly connected to the No. 2 side insert, and a number of protrusion forming grooves are recessed inwardly on the inner wall of the No. 2 side insert.

[0011] In the above-mentioned eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold, the No. 2 translation drive assembly includes a No. 2 guide slider obliquely fixed on the outer end face of the No. 2 side insert, the cross-section of the No. 2 guide slider is T-shaped, and two No. 2 drive plates are also provided on the outside of the No. 2 side insert, the two No. 2 drive plates are respectively arranged on both sides of the No. 2 guide slider and the No. 2 drive plate is inserted into the No. 2 guide groove between the No. 2 guide slider and the No. 2 side insert, and the upper template is also fixed with a No. 2 drive seat connected to the No. 2 drive plate.

[0012] In the eight-slider core-pulling mechanism of the above-mentioned two-color plastic storage basket injection mold, the No. 1 guide slider is detachably connected to the No. 1 side insert by a plurality of bolts; the No. 2 guide slider is detachably connected to the No. 2 side insert by a plurality of bolts.

[0013] In the above-mentioned eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold, the No. 1 drive plate is detachably connected to the No. 1 drive seat by a plurality of bolts; the No. 2 drive plate is detachably connected to the No. 2 drive seat by a plurality of bolts.

[0014] In the eight-slider core-pulling mechanism of the above-mentioned two-color plastic storage basket injection mold, a multi-point glue-feeding component is also provided on the upper side of the upper mold plate.

[0015] In the above-mentioned eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold, the multi-point glue feeding component includes an injection liquid diverter plate arranged on the upper side of the upper template, and four rectangular injection tubes are fixedly connected to the bottom of the injection liquid diverter plate. The bottom of the injection tube vertically penetrates the upper template and the upper molding insert and is connected to the top edge of the lower molding insert.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. The No. 1 color molding cavity formed by the combination of the upper molding insert, the lower molding insert and the eight-slider core-pulling mechanism can be used for injection molding of the side basket of the first color. The middle of the top surface of the upper molding insert and the lower molding insert can be abutted against each other to reserve a through groove for injection molding of the No. 2 color basket bottom at the bottom of the basket. The eight-slider core-pulling mechanism can not only realize four horizontal core pulling at positions corresponding to the four side surfaces of the lower molding insert, but also realize four horizontal core pulling at positions corresponding to the four arc-shaped surfaces of the lower molding insert to meet the core pulling requirements at the arc-shaped surfaces.

[0018] 2. The several protrusion forming grooves on the No. 1 side panel can form several protrusions on the outer wall of the side basket. Before the product is ejected, the No. 1 side panel can be driven away from the No. 1 color forming cavity in the horizontal direction through the No. 1 translation drive component, so that the protrusion can be separated from the product, and the inner wall of the No. 1 side panel can be separated from the outer surface of the product.

[0019] 3. The several protrusion forming grooves on the No. 2 side insert can form several protrusions on the arc-shaped outer wall of the side basket. Before the product is ejected, the No. 2 side insert can be driven away from the No. 1 color forming cavity in a direction perpendicular to the center of the arc surface through the No. 2 translation drive assembly, so that the protrusion can be separated from the product, and the inner wall of the No. 2 side insert can also be separated from the outer surface of the product.

[0020] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional view of the utility model;

[0022] Figure 2 It is a partial structural schematic diagram of the utility model;

[0023] Figure 3 It is a structural diagram of the lower template.

[0024] In the figure, the upper template 1, the lower template 2, the lower molding insert 3, the upper molding insert 4, the eight-slider core-pulling mechanism 5, the No. 1 color molding cavity 6, the No. 1 slider core-pulling assembly 7, the No. 2 slider core-pulling assembly 8, the No. 1 side insert 9, the convex molding groove 10, the No. 1 guide slider 11, the No. 1 drive plate 12, the No. 1 guide slide 13, the No. 1 drive seat 14, the No. 2 side insert 15, the No. 2 guide slider 16, the No. 2 drive plate 17, the No. 2 guide slide 18, the No. 2 drive seat 19, the injection liquid diverter plate 20, and the injection tube 21. DETAILED DESCRIPTION

[0025] like Figure 1-Figure 3 As shown, an eight-slider core-pulling mechanism of a two-color plastic storage basket injection mold comprises an upper template 1 and a lower template 2, wherein the lower template 2 is protrudingly provided with a lower molding insert 3 having the same shape as the inner part of the plastic storage basket, the bottom of the upper template 1 is fixedly connected with an upper molding insert 4 which abuts against the middle part of the top surface of the lower molding insert 3, the cross-section of the lower molding insert 3 is rectangular, and an arc surface is provided between two adjacent side walls of the lower molding insert 3, and an eight-slider core-pulling mechanism 5 is further provided between the upper template 1 and the lower template 2, and the upper molding insert 4, the lower molding insert 3 and the eight-slider core-pulling mechanism 5 are combined to form a No. 1 color molding cavity 6.

[0026] In the utility model, the No. 1 color molding cavity 6 formed by the combination of the upper molding insert 4, the lower molding insert 3 and the eight-slider core-pulling mechanism 5 can be injection molded to form a side basket body of the first color. The upper molding insert 4 and the middle part of the top surface of the lower molding insert 3 can be abutted against each other to reserve a through groove body for injection molding of the No. 2 color basket bottom at the bottom of the basket. The eight-slider core-pulling mechanism 5 can not only realize four horizontal core pulling positions corresponding to the four side surfaces of the lower molding insert 3, but also realize four horizontal core pulling positions corresponding to the four arc-shaped surfaces of the lower molding insert to meet the core pulling requirements at the arc-shaped surfaces.

[0027] Specifically, the eight-slider core-pulling mechanism 5 includes four No. 1 slider core-pulling assemblies 7 corresponding to the four side walls of the lower molding insert 3 and four No. 2 slider core-pulling assemblies 8 corresponding to the four arc-shaped surfaces of the lower molding insert 3. The No. 1 slider core-pulling assembly 7 can realize the core pulling at the corresponding position of the side of the lower molding insert 3, and the No. 2 slider core-pulling assembly 8 can realize the core pulling at the arc-shaped surface position of the lower molding insert 3.

[0028] Specifically, the No. 1 slider core pulling assembly 7 includes a No. 1 side insert 9 that is slidably matched with the lower mold plate 2 and a No. 1 translation drive assembly connected to the No. 1 side insert 9. The inner wall of the No. 1 side insert 9 is recessed inwardly and provided with a plurality of protrusion forming grooves 10. The plurality of protrusion forming grooves 10 on the No. 1 side insert 9 can form a plurality of protrusions on the outer wall of the side basket. Before the product is ejected, the No. 1 side insert 9 can be driven horizontally away from the No. 1 color molding cavity by the No. 1 translation drive assembly so that the protrusion can be separated from the product, and the inner wall of the No. 1 side insert 9 can also be separated from the outer surface of the product.

[0029] Specifically, the No. 1 translation drive assembly includes a No. 1 guide slider 11 obliquely fixed on the outer end surface of the No. 1 side insert 9, the cross section of the No. 1 guide slider 11 is T-shaped, and two No. 1 drive plates 12 are also provided on the outer side of the No. 1 side insert 9, the two No. 1 drive plates 12 are respectively arranged on both sides of the No. 1 guide slider 11 and the No. 1 drive plate 12 is inserted into the No. 1 guide slot 13 between the No. 1 guide slider 11 and the No. 1 side insert 9, and the upper template 1 is also fixedly connected with a No. 1 drive seat 14 connected to the No. 1 drive plate 12. When the mold is opened, the upper template moves upward to drive the No. 1 drive seat 14 to move upward, the No. 1 drive seat 14 moves upward to drive the No. 1 drive plate 12 to move vertically upward, and the No. 1 drive plate 12 moves vertically upward to drive the No. 1 side insert 9 to move horizontally away from the No. 1 color molding cavity through the No. 1 guide slider 11.

[0030] Specifically, the No. 2 slider core pulling assembly 8 includes a No. 2 side insert 15 that is slidably matched with the lower mold plate 2 and a No. 2 translation drive assembly connected to the No. 2 side insert 15. The inner wall of the No. 2 side insert 15 is recessed inwardly and provided with a plurality of protrusion forming grooves 10. The plurality of protrusion forming grooves 10 on the No. 2 side insert 15 can form a plurality of protrusions on the arc-shaped outer wall of the side basket. Before the product is ejected, the No. 2 side insert 15 can be driven away from the No. 1 color molding cavity in a direction perpendicular to the center of the arc-shaped surface by the No. 2 translation drive assembly, so that the protrusion can be separated from the product, and the inner wall of the No. 2 side insert can also be separated from the outer surface of the product.

[0031] Specifically, the No. 2 translation drive assembly includes a No. 2 guide slider 16 obliquely fixed on the outer end surface of the No. 2 side insert 15, the cross section of the No. 2 guide slider 16 is T-shaped, and two No. 2 drive plates 17 are also provided on the outer side of the No. 2 side insert 15, the two No. 2 drive plates 17 are respectively arranged on both sides of the No. 2 guide slider 16 and the No. 2 drive plate 17 is inserted into the No. 2 guide slot 18 between the No. 2 guide slider 16 and the No. 2 side insert 15, and the upper mold plate 1 is also fixedly connected with a No. 2 drive seat 19 connected to the No. 2 drive plate 17. When the mold is opened, the upper mold plate moves upward to drive the No. 2 drive seat to move upward, the No. 2 drive seat moves upward to drive the No. 2 drive plate to move vertically upward, and the No. 2 drive plate moves vertically upward to drive the No. 2 side insert through the No. 2 guide slider to move away from the No. 2 color molding cavity in a direction perpendicular to the center of the arc surface.

[0032] Preferably, the No. 1 guide slider 11 is detachably connected to the No. 1 side insert 9 by a plurality of bolts, so that the No. 1 guide slider 11 can be easily removed from the No. 1 side insert 9; the No. 2 guide slider 16 is detachably connected to the No. 2 side insert 15 by a plurality of bolts, so that the No. 2 guide slider 16 can be easily removed from the No. 2 side insert 15.

[0033] Preferably, the No. 1 drive plate 12 is detachably connected to the No. 1 drive seat 14 by a plurality of bolts, which can facilitate the disassembly and separation of the No. 1 drive seat 14 and the No. 1 drive plate 12; the No. 2 drive plate 17 is detachably connected to the No. 2 drive seat 19 by a plurality of bolts, which can facilitate the disassembly and separation of the No. 2 drive seat 19 and the No. 2 drive plate 17.

[0034] Specifically, a multi-point glue injection assembly is also provided on the upper side of the upper template 1, and the multi-point glue injection assembly can improve the glue injection efficiency; the multi-point glue injection assembly includes an injection liquid diverter plate 20 provided on the upper side of the upper template 1, and four rectangular injection tubes 21 are fixedly connected to the bottom of the injection liquid diverter plate 20, and the bottom of the injection tube 21 vertically penetrates the upper template 1 and the upper molding insert 4 and is connected to the top edge of the lower molding insert 3. The injection liquid diverter plate can divert the injection liquid and inject glue into the No. 1 color molding cavity at the same time through the four injection tubes 21, and the injection position is located at the top edge of the lower molding insert 3.

[0035] The working principle of the utility model is as follows: the first color molding cavity 6 formed by the combination of the upper molding insert 4, the lower molding insert 3 and the eight-slider core-pulling mechanism 5 can be injection-molded to form a side basket of the first color, the upper molding insert 4 and the middle of the top surface of the lower molding insert 3 can be abutted against each other to reserve a through groove for injection molding the second color basket bottom at the bottom of the basket, and the eight-slider core-pulling mechanism 5 can not only realize the horizontal core pulling of four positions corresponding to the four side surfaces of the lower molding insert 3, but also realize the horizontal core pulling of four positions corresponding to the four arc-shaped surfaces of the lower molding insert to meet the core pulling requirements at the arc-shaped surfaces;

[0036] The No. 1 slider core-pulling assembly 7 can realize the core-pulling at the corresponding position of the side of the lower molding insert 3, and the No. 2 slider core-pulling assembly 8 can realize the core-pulling at the arc surface position of the lower molding insert 3. The several convex block forming grooves 10 on the No. 1 side insert 9 can form several convex blocks on the outer wall of the side basket. Before the product is ejected, the No. 1 side insert 9 can be driven horizontally away from the No. 1 color molding cavity through the No. 1 translation drive assembly so that the convex block can be separated from the product, and the inner wall of the No. 1 side insert 9 can also be separated from the outer surface of the product. When opening the mold, the upward movement of the upper template can drive the No. 1 drive seat 14 to move upward, and the upward movement of the No. 1 drive seat 14 can drive the No. 1 drive plate 12 to move vertically upward, and the No. 1 drive plate 12 can move vertically upward through the No. 1 guide slide The block 11 drives the No. 1 side insert 9 to move horizontally away from the No. 1 color molding cavity. The plurality of convex molding grooves 10 on the No. 2 side insert 15 can form a plurality of convex blocks on the arc-shaped outer wall of the side basket. Before the product is ejected, the No. 2 side insert 15 can be driven by the No. 2 translation drive assembly to move away from the No. 1 color molding cavity in a direction perpendicular to the center of the arc surface, so that the convex block can be separated from the product, and the inner wall of the No. 2 side insert can also be separated from the outer surface of the product. When the mold is opened, the upward movement of the upper template can drive the No. 2 drive seat to move upward, and the upward movement of the No. 2 drive seat can drive the No. 2 drive plate to move vertically upward. The vertical upward movement of the No. 2 drive plate can drive the No. 2 side insert to move away from the No. 2 color molding cavity in a direction perpendicular to the center of the arc surface through the No. 2 guide slider;

[0037] The injection liquid diverter plate can divert the injection liquid and inject it into the first color molding cavity through four injection tubes 21 at the same time, and the injection position is located at the top edge of the lower molding insert 3.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0039] Although this article uses the upper template 1, the lower template 2, the lower molding insert 3, the upper molding insert 4, the eight-slider core-pulling mechanism 5, the No. 1 color molding cavity 6, the No. 1 slider core-pulling assembly 7, the No. 2 slider core-pulling assembly 8, the No. 1 side insert 9, the protrusion molding groove 10, the No. 1 guide slider 11, the No. 1 drive plate 12, the No. 1 guide slide 13, the No. 1 drive seat 14, the No. 2 side insert 15, the No. 2 guide slider 16, the No. 2 drive plate 17, the No. 2 guide slide 18, the No. 2 drive seat 19, the injection liquid diverter plate 20, the injection tube 21, etc. more frequently, these terms are used only to more conveniently describe and explain the essence of the utility model; interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A two-color plastic storage basket injection mold with eight sliders and core-pulling mechanism, comprising an upper mold plate (1) and a lower mold plate (2), characterized in that: The lower template (2) is provided with a protruding lower molding insert (3) having the same shape as the inner part of the plastic storage basket. The bottom of the upper template (1) is fixedly connected with an upper molding insert (4) which abuts against the middle of the top surface of the lower molding insert (3). The cross-section of the lower molding insert (3) is rectangular, and an arc surface is provided between two adjacent side walls on the lower molding insert (3). An eight-slider core-pulling mechanism (5) is also provided between the upper template (1) and the lower template (2). The upper molding insert (4), the lower molding insert (3) and the eight-slider core-pulling mechanism (5) are combined to form a number one color molding cavity (6).

2. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 1 is characterized in that: The eight-slider core-pulling mechanism (5) comprises four No. 1 slider core-pulling assemblies (7) corresponding to the four side walls of the lower molding insert (3) and four No. 2 slider core-pulling assemblies (8) corresponding to the four arc-shaped surfaces of the lower molding insert (3).

3. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 2 is characterized in that: The No. 1 slider core pulling assembly (7) comprises a No. 1 side insert (9) which is slidably matched with the lower template (2) and a No. 1 translation driving assembly connected to the No. 1 side insert (9), and a plurality of convex block forming grooves (10) are provided on the inner wall of the No. 1 side insert (9) which are recessed inwards.

4. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 3 is characterized in that: The No. 1 translation drive assembly comprises a No. 1 guide slider (11) which is obliquely fixed on the outer end surface of the No. 1 side insert (9), the cross section of the No. 1 guide slider (11) is T-shaped, and two No. 1 drive plates (12) are also arranged on the outer side of the No. 1 side insert (9), the two No. 1 drive plates (12) are respectively arranged on both sides of the No. 1 guide slider (11) and the No. 1 drive plate (12) is inserted into a No. 1 guide groove (13) between the No. 1 guide slider (11) and the No. 1 side insert (9), and the upper template (1) is also fixedly connected to a No. 1 drive seat (14) connected to the No. 1 drive plate (12).

5. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 4 is characterized in that: The second slider core pulling assembly (8) comprises a second side insert (15) which is slidably matched with the lower template (2) and a second translation drive assembly connected to the second side insert (15), and a plurality of convex block forming grooves (10) are provided on the inner wall of the second side insert (15) which are recessed inwards.

6. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 5 is characterized in that: The No. 2 translation drive assembly comprises a No. 2 guide slider (16) obliquely fixed on the outer end surface of the No. 2 side insert (15), the cross section of the No. 2 guide slider (16) is T-shaped, and two No. 2 drive plates (17) are also arranged on the outer side of the No. 2 side insert (15), the two No. 2 drive plates (17) are respectively arranged on both sides of the No. 2 guide slider (16) and the No. 2 drive plate (17) is inserted into the No. 2 guide groove (18) between the No. 2 guide slider (16) and the No. 2 side insert (15), and the upper template (1) is also fixedly connected with a No. 2 drive seat (19) connected to the No. 2 drive plate (17).

7. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 6 is characterized in that: The first guide slide block (11) is detachably connected to the first side insert block (9) via a plurality of bolts; the second guide slide block (16) is detachably connected to the second side insert block (15) via a plurality of bolts.

8. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 7 is characterized in that: The No. 1 drive plate (12) is detachably connected to the No. 1 drive seat (14) via a plurality of bolts; and the No. 2 drive plate (17) is detachably connected to the No. 2 drive seat (19) via a plurality of bolts.

9. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 1, characterized in that: The upper side of the upper template (1) is also provided with a multi-point glue injection component.

10. The eight-slider core-pulling mechanism of the two-color plastic storage basket injection mold according to claim 9, characterized in that: The multi-point glue injection assembly comprises an injection liquid diverter plate (20) arranged on the upper side of the upper mold plate (1), and four rectangular injection tubes (21) are fixedly connected to the bottom of the injection liquid diverter plate (20). The bottom of the injection tubes (21) vertically penetrates the upper mold plate (1) and the upper molding insert (4) and is connected to the top edge of the lower molding insert (3).

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