Movable side sliding block double-color mold

Abstract

The utility model provides a two-color mould of a movable side sliding block, which relates to the technical field of injection moulds, and comprises an ejector rod component, an ejector rod elastic piece, a sliding positioner and a sliding block, the ejector rod component is connected with the ejector rod elastic piece, the ejector rod component is arranged on the sliding block, the sliding block is provided with at least two limiting grooves, and the ejector rod component is positioned in a hole. The sliding positioner comprises a lifting pin and a lifting pin elastic body, and the lifting pin can be inserted into the limiting groove to limit the sliding block. Through the arrangement of the ejector rod assembly, the ejector rod elastic piece and the sliding positioner and linkage with a shoveling machine, when mold closing and mold opening actions are carried out, all the structures act smoothly, the problems of mold burning, poor product glue shoveling and the like caused by unsmooth movement of the movable side sliding block mechanism are effectively solved, the smoothness of product production can be guaranteed, the structure is simple, and space is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field especially a movable side slide block two -color mold. BACKGROUND

[0002] At present, there are a large number of two-color plastic products in the field of notebook computers, automobile parts, household appliances and the like, and the side of one-shot product stripping has reverse buckle, needs to design slide block mechanism, such as Figure 1 The one-shot molding clamping state is shown.But because of the characteristics of two-color mold, PL opens after one-shot, and the slide block cannot be opened (maintains relative static state with the product), otherwise the product is easy to be damaged by the slide block when two-shot clamping, and the movable side slide block mechanism of traditional mechanism has the problem of poor movement, which is easy to cause mold burn, product scraping glue defect and other problems, and the present application is proposed to solve the above defects. SUMMARY

[0003] The utility model discloses a movable side slide block two-color mold, effectively avoid the movable side slide block mechanism movement not smooth caused mold burn, product scraping glue defect and other problem point.Can guarantee the smoothness of product production.

[0004] To solve the above problems, the utility model provides a movable side slide block two-color mold, including the rod assembly, the rod elasticity, the slide positioner and the slide block, the rod assembly is connected with the rod elasticity, and the rod elasticity generally adopts spring, can also adopt elastic material, elastic sheet and other elastic structure, the rod assembly is installed on the slide block, at least two limit grooves are arranged on the slide block, and the limit groove is arranged at the bottom of the slide block, a hole is formed in the slide block for the shovel to insert, and the rod assembly is located in the hole, the slide positioner includes a top pin and a top pin elastic body, the top pin can be inserted into the limit groove to limit the slide block, when the pressure in the compression direction of the rod elasticity has no component force, the slide block moves, the top pin is inserted into another limit groove to limit the slide block, otherwise, when the pressure in the compression direction of the rod elasticity has component force, the rod elasticity is compressed at this time, and the slide block does not move, realizes one-shot mold movement, the slide block keeps static state, two-shot mold movement, and the slide block is opened.

[0005] According to an embodiment of the utility model, the movable side slide block two-color mold further includes a shovel assembly, the shovel assembly includes a one-shot shovel and a two-shot shovel, the contact surface of the one-shot shovel and the rod assembly is a vertical surface, the contact surface of the two-shot shovel and the rod assembly is an inclined surface, the one-shot shovel does not generate force to the slide block when rising, and the two-shot shovel generates force to the slide block when rising.

[0006] According to the utility model one embodiment, movable side slide block two -color mold still includes two groups of first mold plate, one shovel machine, two shovel machines are installed on two groups of first mold plate respectively.

[0007] According to the utility model one embodiment, movable side slide block two -color mold still includes second mold plate, the slide positioner is installed on the second mold plate through bolt.

[0008] According to the utility model one embodiment, the ejector rod assembly includes first ejector rod and second ejector rod, the first ejector rod is connected with ejector rod elastic piece and second ejector rod, the second ejector rod is transversely arranged, and the first ejector rod is obliquely arranged and perpendicular to the second ejector rod.

[0009] According to the utility model one embodiment, the first ejector rod is arranged at least two groups, and is connected to the both sides of the second ejector rod respectively, so that stable support effect is achieved.

[0010] According to the utility model one embodiment, the section of the limiting groove is triangular, and the shape of the ejector pin is consistent with the limiting groove.

[0011] According to the utility model one embodiment, movable side slide block two -color mold still includes first mold core and second mold core, and the product is between the first mold core and the second mold core.

[0012] According to the utility model one embodiment, the guide groove is arranged on the slide block, the second ejector rod is installed in the guide groove, and the second ejector rod moves along the guide groove when the second ejector rod acts, so that the movement process is kept stable.

[0013] According to the utility model one embodiment, the second ejector rod is a cylindrical rod.

[0014] The utility model discloses the beneficial effect is, through the setting of ejector rod assembly, ejector rod elastic piece and slide positioner, and shovel machine is linked, when carrying out mold closing and opening action, each structure action is smooth, effectively avoid the mould burn of movable side slide block mechanism movement not smooth, product shovel glue bad and other problem points, can guarantee the smoothness of product production, and simple structure saves the space. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further illustrated below in connection with the drawings and examples.

[0016] Figure 1 It is first injection mold structure schematic drawing;

[0017] Figure 2 It is second injection mold structure schematic drawing;

[0018] Figure 3 It is first injection PL part mold opening structure schematic drawing;

[0019] Figure 4The first shot PL fully open structure schematic diagram;

[0020] Figure 5 The second shot PL partially closed structure schematic diagram;

[0021] Figure 6 The second shot PL partially closed structure schematic diagram;

[0022] Figure 7 The second shot PL fully closed structure schematic diagram;

[0023] Figure 8 The second shot PL partially open structure schematic diagram;

[0024] Figure 9 The second shot PL partially open structure schematic diagram;

[0025] Figure 10 The second shot PL fully open structure schematic diagram;

[0026] Figure 11 The slider structure schematic diagram;

[0027] Figure 12 The slider bottom structure schematic diagram;

[0028] Figure 13 The ejector rod assembly structure schematic diagram;

[0029] Figure 14 The sliding positioner structure schematic diagram. DETAILED DESCRIPTION

[0030] The following description is merely intended for the purpose of illustrating the present application and is not intended to limit the scope of the present application. The examples in the following description are only for illustration and other obvious modifications can be made by those skilled in the art. The basic principles defined in the following description can be applied to other embodiments, modifications, improvements, equivalents and other solutions without departing from the spirit and scope of the present application.

[0031] A movable side slider two-color mold, such as Figure 1 , comprises an ejector rod assembly, an ejector rod spring 2, a sliding positioner 4, a slider 6, a shovel assembly, a first mold core, a second mold core 7, a mold plate assembly, a product between the first mold core, the second mold core 7 and the slider 6, the product comprising a first shot product 8 and a second shot product 9.

[0032] The top rod assembly comprises a first top rod 1 and a second top rod 5, the first top rod 1 is connected with a top rod elastic element 2 and the second top rod 5, the second top rod 5 is arranged transversely, the first top rod 1 is provided in at least two groups and is connected at two side positions of the second top rod 5 respectively to achieve a stable supporting effect, the first top rod 1 is arranged obliquely and is perpendicular to the second top rod 5, the top rod elastic element 2 is a spring, and the second top rod 5 is a cylindrical rod.

[0033] The top rod assembly is installed on a sliding block 6, at least two limiting grooves 61 are arranged on the sliding block 6 to realize the limiting effect of two positions, the limiting grooves 61 are arranged at the bottom of the sliding block 6, a hole is arranged in the sliding block 6 for inserting a shovel, the second top rod 5 is located in the hole, a guide groove 62 is arranged on the sliding block 6, the second top rod 5 is installed in the guide groove 62, and the second top rod 5 moves along the guide groove 62 when in action, so that the movement process is kept stable.

[0034] The mold plate assembly comprises two groups of first mold plates and second mold plates 3, and the two groups of first mold plates are respectively a first mold plate one 13 and a first mold plate two 17.

[0035] The shovel assembly comprises a one-shot shovel 11 and a two-shot shovel 15, further comprises a first shovel 12 and a second shovel 16, wherein the one-shot shovel 11 and the first shovel 12 are installed on the first mold plate one 13, the two-shot shovel 15 and the second shovel 16 are installed on the first mold plate two 17, the contact surface of the one-shot shovel with the top rod assembly is a vertical surface, the contact surface of the two-shot shovel with the top rod assembly is an inclined surface, the one-shot shovel 11 does not generate an acting force on the sliding block 6 when rising, and the two-shot shovel 15 generates an acting force on the sliding block 6 when rising.

[0036] The first mold core comprises a first mold core one 10 and a first mold core two 14, which are respectively installed on the first mold plate one 13 and the first mold plate two 17.

[0037] The sliding positioner 4 comprises a positioner main body, a top pin 41 and a top pin elastic body, the top pin 41 and the top pin elastic body are both installed in the positioner main body, the positioner main body is installed on the second mold plate 3 through a bolt, the top pin 41 can be inserted into the limiting groove 61 to limit the sliding block 6, the cross section of the limiting groove 61 is triangular, the shape of the top pin 41 is consistent with that of the limiting groove 61, and in other embodiments, the limiting groove 61 can also be arranged as a semispherical groove.

[0038] When the top rod assembly is subjected to pressure, if there is no component force of the pressure in the compression direction of the top rod elastic element 2, the sliding block 6 acts, the top pin 41 is inserted into another limiting groove 61 to limit the sliding block 6, otherwise, if there is a component force of the pressure in the compression direction of the top rod elastic element 2, the top rod elastic element 2 is compressed at this time, the sliding block 6 does not act, a one-shot mold acts, the sliding block keeps a static state, and a two-shot mold acts, and the sliding block is opened.

[0039] One shot mold action: mold one side of the mold shot hard glue (reference Figure 1 ) → mold PL open 30 mm, the slider remains static state (reference Figure 3 ) → mold PL fully open, the slider remains static state (reference Figure 4 ).

[0040] Two shot mold action: two side mold closed to PL distance 34 mm (reference Figure 5 ) → two side mold closed to PL distance 18 mm (reference Figure 6 ) → mold fully closed molding (reference Figure 7 ) → mold PL open 10 mm, the slider opens 2.2 mm (reference Figure 8 ) → mold PL open 23 mm, the slider opens 5.0 mm (reference Figure 9 ) → mold fully open (reference Figure 10 ).

[0041] Action flow:

[0042] First shot PL open 30 mm: as Figure 3 , after the first shot, the PL side opens, then the first shovel 11 rises on the left vertical surface without generating force on the slider 6, combined with the sliding positioner 4 on the slider 6, the slider 6 will remain static, the first shot PL fully open state is as Figure 4 ;

[0043] Second shot PL closed to 34 mm: as Figure 5 , when the second shot PL closes, the second shovel 15 left side is a slope and will contact the second ejector rod 5, but there is a first ejector rod 1 and an ejector rod elastic element 2 below the second ejector rod 2, at this time, there is a force on the compression of the ejector rod elastic element 2. The first ejector rod 1 and the second ejector rod 2 will move along the Figure 5 , Figure 6 arrow direction, then under the positioning action of the sliding positioner 4 on the slider 6, the slider 6 can remain static state, and the second shovel 15 can smoothly close to form a product, as Figure 7 ;

[0044] Second shot PL open to 10 mm: as Figure 8-10 , after the second shot, the PL opens, under the action of the slope on the left side of the second shovel 15, the second shovel 15 forms pressure on the second ejector rod 5, the slider 6 will move to the left side, and the second shot product 9 is smoothly released to take out the product.

[0045] The above action distance parameters are adaptively set according to the product and mold size, which is only an example here.

[0046] It will be understood by those skilled in the art that the above description and the embodiments of the present application shown in the drawings are only examples and do not limit the present application. The purpose of the present application has been completely and effectively achieved. The function and structural principle of the present application have been demonstrated and explained in the embodiments, and the embodiments of the present application can have any deformation and modification without departing from the principle.

Claims

1. A movable side slide two-color mold characterized by comprising: The movable side slider double-color mold comprises a top rod assembly, a top rod elastic element (2), a sliding positioner (4) and a slider (6), the top rod assembly is connected with the top rod elastic element (2), the top rod assembly is installed on the slider (6), at least two limiting grooves (61) are arranged on the slider (6), the sliding positioner (4) comprises a top pin (41) and a top pin elastic body, the top pin (41) can be inserted into the limiting groove (61) to limit the slider (6), when the top rod assembly is subjected to pressure, the slider (6) moves, and the top pin (41) is inserted into another limiting groove (61) to limit the slider (6) when the pressure has no component force in the compression direction of the top rod elastic element (2).

2. The movable side slide two-color mold according to claim 1, characterized by: The movable side slider double-color mold further comprises a shovel assembly, the shovel assembly comprises a first shovel (11) and a second shovel (15), a contact surface of the first shovel (11) and the top rod assembly is a vertical surface, and a contact surface of the second shovel (15) and the top rod assembly is an inclined surface.

3. The movable side slide two-color mold according to claim 2, characterized by: The movable side slider double-color mold further comprises two groups of first mold plates, the first shovel (11) and the second shovel (15) are respectively installed on the two groups of first mold plates.

4. The movable side slide two-color mold according to claim 3, characterized by: The movable side slider double-color mold further comprises a second mold plate (3), and the sliding positioner (4) is installed on the second mold plate (3).

5. The movable side slide two-color mold according to any one of claims 1 to 4, characterized in that: The top rod assembly comprises a first top rod (1) and a second top rod (5), the first top rod (1) is connected with the top rod elastic element (2) and the second top rod (5), the second top rod (5) is arranged in a transverse direction, and the first top rod (1) is arranged in an inclined manner and is perpendicular to the second top rod (5).

6. The movable side slide two-color mold according to claim 5, characterized by: The first top rod (1) is arranged in at least two groups and is connected to positions on two sides of the second top rod (5).

7. The movable side slide two-color mold according to any one of claims 1 to 4, characterized by: The limiting groove (61) has a triangular cross section, and the top pin (41) has a shape matching the limiting groove (61).

8. The movable side slide two-color mold according to claim 4, characterized by: The movable side slider double-color mold further comprises a first mold core and a second mold core (7).

9. The movable side slide two-color mold according to claim 5, characterized by: The slider (6) is provided with a guide groove (62), the second top rod (5) is installed in the guide groove (62), and the second top rod (5) moves along the guide groove (62) when the second top rod (5) moves.

10. The movable side slide two-color mold according to claim 9, characterized by: The second top rod (5) is a cylindrical rod.

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