Double-sliding-block core-pulling mold stripping structure

Abstract

The utility model provides a double-slider core-pulling mold stripping structure which comprises a supporting seat, a first mold, a second mold, a first electric push rod, a double-slider core-pulling assembly and a fixing frame, the double-slider core-pulling assembly comprises a shell, a guide rail, a slider, a second electric push rod, a connecting plate, a second push plate, a limiting rail, a mounting frame, an adjusting groove, a limiting plate and a pull rod, guide rails are arranged on the upper side and the lower side of the interior of the shell correspondingly, sliding blocks are slidably connected to the interiors of the guide rails, connecting plates are fixedly connected to the inner sides of the sliding blocks, and second electric push rods are fixedly connected to the middles of the connecting plates. The connecting plate pushes the pull rod to move, the limiting plate is made to rotate along the pull rod to adjust the direction, the mounting frame is pushed to slide along the limiting rail, and the mold core is fixed to the top end of the mounting frame through the bolt according to the shape of the mold core.

Description

Technical Field

[0001] The utility model relates to an injection mold, in particular to a double-slider core-pulling and mold-out structure, belonging to the technical field of injection molds. Background Art

[0002] The core-pulling structure of the injection mold refers to the need to use a tie rod or other mechanical structure to peel the plastic product in the mold cavity during the injection molding process to achieve the continuity of the molding process. The core-pulling structure is an important part of mold design and directly affects the quality and production efficiency of the product. Through a reasonable core-pulling structure design, it can not only avoid defects such as product deformation and cracking, but also improve productivity and reduce production costs.

[0003] Among them, the publication number CN111409236A discloses a double-slider combined core-pulling mechanism of an injection mold, including a large oil cylinder, which is fixed to the side of the rear template through a large oil cylinder seat, and the oil cylinder telescopic rod is connected to the connector and then inserted into the groove of the large slider seat, the wear-resistant block and the small oil cylinder are fixed to the large slider B, the telescopic rod of the small oil cylinder is connected to one end of the connecting rod, the small slider is installed in the large slider A and the large slider B through a rotating shaft, the other end of the connecting rod is inserted into the slide groove of the small slider, the large slider seat is fixed to the large slider B, the locking block is inserted into the corresponding groove of the large slider B, the tail of the oblique guide column is fixed to the front template, the head of the oblique guide column passes through the large slider A and the large slider B and cooperates with the oblique guide column hole on the locking block to lock or disengage the small slider. The structure of the present invention not only shortens the injection molding cycle, but also improves the safety of operation, the quality of the plastic product is guaranteed, and the service life of the mold is greatly extended.

[0004] However, there are still problems. The existing core pulling structures are fixed and cannot be adjusted according to the structure of the mold core or the shape of the mold core. It is also impossible to set mold cores of different shapes at the same time. Therefore, a double-slider core pulling and demolding structure is proposed. Utility Model Content

[0005] In view of this, the utility model provides a double-slider core-pulling and demoulding structure to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the embodiment of the utility model is achieved as follows: a double-slider core-pulling demolding structure, comprising a support seat, a first mold, a second mold, a first electric push rod, a double-slider core-pulling assembly and a fixed frame, the double-slider core-pulling assembly comprising a shell, a guide rail, a slider, a second electric push rod, a connecting plate, a second push plate, a limit rail, a mounting frame, an adjustment slot, a limit plate and a pull rod, the upper and lower sides of the shell are respectively provided with guide rails, the inner side of the guide rail is slidably connected with a slider, the inner side of the slider is fixedly connected with a connecting plate, the middle part of the connecting plate is fixedly connected with the second electric push rod, the output end of the second electric push rod is fixedly connected with the second push plate, the inner bottom end of the shell is fixedly connected with the limit rail, the inner side of the limit rail is slidably connected with the mounting frame, the top of the mounting frame is provided with an adjusting slot, the inner side of the adjusting slot is slidably connected with the limit plate, one end of the limit plate is rotatably connected with the pull rod, and one end of the pull rod is fixedly connected with the connecting plate.

[0007] Further preferably, the double-slider core-pulling assembly also includes a sliding rod, a first push plate and an extrusion plate. The connecting plate is slidably connected to the sliding rod inside, one end of the sliding rod is fixedly connected to the first push plate, the middle part of the first push plate is slidably connected to the output end of the second electric push rod, and the two sides of the first push plate are respectively fixedly connected to the extrusion plates.

[0008] Further preferably, the double-slider core-pulling assembly also includes a slide plate, a spring, a limit shell and a third electric push rod. The outer wall of the shell passes through and is fixedly connected to the limit shell. The interior of the limit shell is fixedly connected with a spring. One end of the spring is fixedly connected with a slide plate. The outer wall of the slide plate passes through and is slidably connected to the connection between the limit shell and the shell.

[0009] Further preferably, a first mold is fixedly connected to the left side of the top end of the support seat, a second mold is slidably connected to the top end of the support seat, and a shell is slidably connected to the middle part of the top end of the support seat.

[0010] Further preferably, a screw rod is rotatably connected to the middle of the support seat, an outer wall of the screw rod is threadedly connected to a housing, one end of the screw rod is fixedly connected to an output end of a motor, and an outer wall of the motor is fixedly connected to the right side of the support seat.

[0011] Further preferably, a sealing sleeve is provided between the first mold and the second mold, and a plurality of feed ports are provided at the top ends of the first mold and the second mold.

[0012] Further preferably, the outer wall of the support seat is fixedly connected to a first electric push rod, the output end of the first electric push rod is fixedly connected to a fixing frame, and the outer wall of the second mold is fixedly connected between the fixing frames.

[0013] Further preferably, a third electric push rod is fixedly connected to the bottom end of the shell, and an output end of the third electric push rod is fixedly connected to the bottom end of the outer wall of the connecting plate.

[0014] The utility model embodiment adopts the above technical solution, which has the following advantages:

[0015] 1. When the extrusion plate passes over the slide plate, the slide plate slides out of the connection between the limit shell and the outer shell under the push of the spring, the connecting plate pushes the pull rod to move, and the limit plate rotates along the pull rod to adjust the direction, and pushes the mounting frame to slide along the limit rail. According to the shape of the mold core, the mold core is fixed to the top of the mounting frame by bolts.

[0016] Second, by opening an adjustment slot at the top of the mounting frame, the position can be adjusted when the limit plate slides, and the second push plate is pushed to move by starting the second electric push rod, and the mold core at the output end of the electric push rod is pushed into the second mold. By setting a mounting frame with different angles, it can be installed and used as needed.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural diagram of the entire utility model;

[0020] Figure 2 This is the internal structure diagram of the shell of the utility model;

[0021] Figure 3 This is a schematic diagram of the interior of the support base and the housing of the utility model;

[0022] Figure 4 This is a schematic diagram of a double-slider core-pulling assembly of the utility model;

[0023] Figure 5 For this utility model Figure 2 A partial enlarged schematic diagram in the middle;

[0024] Figure 6 For this utility model Figure 3A partial enlarged schematic diagram of point B in the middle.

[0025] 1. Support seat; 2. First mould; 3. Second mould; 4. Sealing sleeve; 5. Feed port; 6. First electric push rod; 7. Double slider core pulling assembly; 701. Shell; 702. Guide rail; 703. Slider; 704. Slide bar; 705. Second electric push rod; 706. Limiting shell; 707. Slide plate; 708. Spring; 709. Connecting plate; 7010. First push plate; 7011. Second push plate; 7012. Limiting rail; 7013. Mounting frame; 7014. Adjusting slot; 7015. Limiting plate; 7016. Pull rod; 7017. Extrusion plate; 7018. Third electric push rod; 8. Fixing frame; 9. Motor; 10. Screw. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] Example

[0029] like Figure 1-Figure 6As shown, the embodiment of the utility model provides a double-slider core-pulling demolding structure, including a support seat 1, a first mold 2, a second mold 3, a first electric push rod 6, a double-slider core-pulling assembly 7 and a fixed frame 8, wherein the double-slider core-pulling assembly 7 includes a housing 701, a guide rail 702, a slider 703, a second electric push rod 705, a connecting plate 709, a second push plate 7011, a limit rail 7012, a mounting frame 7013, an adjustment slot 7014, a limit plate 7015 and a pull rod 7016, and the upper and lower parts of the housing 701 are A guide rail 702 is provided on each side, and a slider 703 is slidably connected to the inside of the guide rail 702, and a connecting plate 709 is fixedly connected to the inner side of the slider 703, and a second electric push rod 705 is fixedly connected to the middle of the connecting plate 709, and a second push plate 7011 is fixedly connected to the output end of the second electric push rod 705, and a limited position rail 7012 is fixedly connected to the inner bottom end of the housing 701, and a mounting frame 7013 is slidably connected to the inner side of the limited position rail 7012, and the top of the mounting frame 7013 is provided with a plurality of guide rails 702, and a plurality of guide rails 703 are provided with a plurality of guide rails 704, and a plurality of guide rails 705 are provided with a plurality of guide rails 706, and a plurality of guide rails 707 are provided with a plurality of guide rails 708, and a plurality of guide rails 709 are provided with a plurality of guide rails 709, and a plurality of guide rails 7010 are provided with a plurality of guide rails 7011, and a plurality of guide rails 7011 are provided with a plurality of guide rails 7012, and a plurality of guide rails 7013 are provided with a plurality of guide rails 7013, and a plurality of guide rails 7013 are provided with a plurality of guide rails 702, and a plurality of guide rails 703 are provided with a plurality of guide rails 703 ... An adjustment groove 7014 is provided, and a limit plate 7015 is slidably connected inside the adjustment groove 7014. One end of the limit plate 7015 is rotatably connected to a pull rod 7016. One end of the pull rod 7016 is fixedly connected to a connecting plate 709. When the extrusion plate 7017 passes over the slide plate 707, the slide plate 707 slides out of the connection between the limit shell 706 and the shell 701 under the push of the spring 708. The connecting plate 709 pushes the pull rod 7016 to move, and the limit plate 7015 is rotated along the pull rod 7016 to adjust the direction. And push the mounting frame 7013 to slide along the limiting rail 7012. According to the shape of the mold core, the mold core is fixed to the top of the mounting frame 7013 by bolts. By opening an adjustment groove 7014 at the top of the mounting frame 7013, the position can be adjusted when the limiting plate 7015 slides. By starting the second electric push rod 705, the second push plate 7011 is pushed to move, and the mold core at the output end of the electric push rod is pushed into the second mold 3. By setting the mounting frame 7013 with different angles, it can be installed and used as needed.

[0030] In one embodiment, specifically, the double-slider core-pulling assembly 7 also includes a sliding rod 704, a first push plate 7010 and an extrusion plate 7017. The connecting plate 709 is internally slidably connected to the sliding rod 704, one end of the sliding rod 704 is fixedly connected to the first push plate 7010, the middle part of the first push plate 7010 is slidably connected to the output end of the second electric push rod 705, and the two sides of the first push plate 7010 are respectively fixedly connected with the extrusion plate 7017. When the second push plate 7011 squeezes the first push plate 7010 and the sliding rod 704 to slide along the connecting plate 709, the first push plate 7010 pushes the extrusion plate 7017 to squeeze the slide plate 707 to slide toward the inside of the limiting groove.

[0031] In one embodiment, specifically, the double-slider core-pulling assembly 7 also includes a slide plate 707, a spring 708, a limiting shell 706 and a third electric push rod 7018. The outer wall of the outer shell 701 is fixedly connected to the limiting shell 706. The inner part of the limiting shell 706 is fixedly connected with a spring 708. One end of the spring 708 is fixedly connected with a slide plate 707. The outer wall of the slide plate 707 is slidably connected to the connection between the limiting shell 706 and the outer shell 701. By starting the third electric push rod 7018, the connecting plate 709 is pulled to slide along the slider 703 inside the guide rail 702, and one end of the mounting frame 7013 is slid out from the inside of the second mold 3.

[0032] In one embodiment, specifically, the left side of the top end of the support base 1 is fixedly connected with the first mold 2, the top end of the support base 1 is slidably connected with the second mold 3, and the middle part of the top end of the support base 1 is slidably connected with the shell 701.

[0033] In one embodiment, specifically, the middle part of the support seat 1 is rotatably connected to a screw rod 10, the outer wall of the screw rod 10 is threadedly connected to the housing 701, one end of the screw rod 10 is fixedly connected to the output end of the motor 9, and the outer wall of the motor 9 is fixedly connected to the right side of the support seat 1.

[0034] In one embodiment, specifically, a sealing sleeve 4 is provided between the first mold 2 and the second mold 3 , and a plurality of feed ports 5 are provided at the top ends of the first mold 2 and the second mold 3 .

[0035] In one embodiment, specifically, the outer wall of the support seat 1 is fixedly connected to a first electric push rod 6 , an output end of the first electric push rod 6 is fixedly connected to a fixing frame 8 , and the fixing frames 8 are fixedly connected to the outer wall of the second mold 3 .

[0036] In one embodiment, specifically, the bottom end of the housing 701 is fixedly connected to a third electric push rod 7018 , and the output end of the third electric push rod 7018 is fixedly connected to the bottom end of the outer wall of the connecting plate 709 .

[0037] When the utility model is working, the first mold 2 is pushed by starting the first electric push rod 6, so that the first mold 2 and the second mold 3 overlap, and the sealing sleeve 4 is fixed between the first mold 2 and the second mold 3, and the heated raw material is introduced into the first mold 2 and the second mold 3 through the feed port 5, and the screw rod 10 is driven to rotate by starting the motor 9, and the screw rod 10 drives the housing 701 to move, and the third electric push rod 7018 is driven to push the connecting plate 709 to move forward, and the first push plate 7010 and the extrusion plate 7017 are pushed to squeeze. The pressing plate 707 moves. When the extruding plate 7017 passes over the sliding plate 707, the sliding plate 707 slides out of the connection between the limiting shell 706 and the outer shell 701 under the push of the spring 708. The connecting plate 709 pushes the pull rod 7016 to move, and the limiting plate 7015 rotates along the pull rod 7016 to adjust the direction, and pushes the mounting frame 7013 to slide along the limiting rail 7012. According to the shape of the mold core, the mold core is fixed to the top of the mounting frame 7013 by bolts. By opening an adjustment slot 7015 at the top of the mounting frame 7013, the mold core is fixed to the top of the mounting frame 7013 by bolts. 014, the position can be adjusted when the limit plate 7015 slides, and the second push plate 7011 is pushed to move by starting the second electric push rod 705, and the mold core at the output end of the electric push rod is pushed into the second mold 3. By setting the mounting frame 7013 with different angles, it can be installed and used as needed. When it is necessary to pull the core, the second push plate 7011 and the mold core are pulled out in the first step by starting the second electric push rod 705. When the second push plate 7011 squeezes the first push plate 7010 and the slide bar 704 along the connecting plate 7 09 slides, and the first push plate 7010 pushes the extrusion plate 7017 to squeeze the slide plate 707 to slide into the limiting groove, and by starting the third electric push rod 7018, the connecting plate 709 is pulled to slide along the slider 703 inside the guide rail 702, and one end of the mounting frame 7013 is slid out from the second mold 3. By starting the motor 9 in reverse, it is convenient to slide the housing 701 along the screw rod 10 and away from the second mold 3. By starting the first electric push rod 6 to push the second mold 3 to move, it is convenient to take out the injected mold.

[0038] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A double-slider core-pulling mold-out structure, comprising a support seat (1), a first mold (2), a second mold (3), a first electric push rod (6), a double-slider core-pulling assembly (7) and a fixing frame (8), characterized in that: The double slider core pulling assembly (7) comprises a housing (701), a guide rail (702), a slider (703), a second electric push rod (705), a connecting plate (709), a second push plate (7011), a limit rail (7012), a mounting frame (7013), an adjustment slot (7014), a limit plate (7015) and a pull rod (7016), wherein the housing (701) is provided with guide rails (702) on the upper and lower sides thereof, the guide rail (702) is slidably connected to the inside thereof, the connecting plate (709) is fixedly connected to the inner side of the connecting plate (709), and the middle part of the connecting plate (709) is fixedly connected to the connecting plate (709). A second electric push rod (705) is connected, and the output end of the second electric push rod (705) is fixedly connected to a second push plate (7011); the inner bottom end of the outer shell (701) is fixedly connected to a limiting rail (7012); the inner part of the limiting rail (7012) is slidably connected to a mounting frame (7013); the top of the mounting frame (7013) is provided with an adjustment groove (7014); the inner part of the adjustment groove (7014) is slidably connected to a limiting plate (7015); one end of the limiting plate (7015) is rotatably connected to a pull rod (7016); one end of the pull rod (7016) is fixedly connected to a connecting plate (709).

2. A double-slider core-pulling mold-out structure according to claim 1, characterized in that: The double-slider core-pulling assembly (7) also includes a slide rod (704), a first push plate (7010) and an extrusion plate (7017); the connecting plate (709) is internally slidably connected to the slide rod (704); one end of the slide rod (704) is fixedly connected to the first push plate (7010); the middle part of the first push plate (7010) is slidably connected to the output end of the second electric push rod (705); and the two sides of the first push plate (7010) are respectively fixedly connected to the extrusion plates (7017).

3. A double-slider core-pulling mold-out structure according to claim 1, characterized in that: The double-slider core-pulling assembly (7) also includes a slide plate (707), a spring (708), a limit shell (706) and a third electric push rod (7018); the outer wall of the outer shell (701) is fixedly connected to the limit shell (706); the interior of the limit shell (706) is fixedly connected to a spring (708); one end of the spring (708) is fixedly connected to a slide plate (707); the outer wall of the slide plate (707) is slidably connected to the connection between the limit shell (706) and the outer shell (701).

4. A double-slider core-pulling mold-out structure according to claim 1, characterized in that: The left side of the top end of the support seat (1) is fixedly connected to a first mold (2), the top end of the support seat (1) is slidably connected to a second mold (3), and the middle part of the top end of the support seat (1) is slidably connected to a housing (701).

5. The double-slider core-pulling mold-out structure according to claim 1, characterized in that: A screw rod (10) is rotatably connected to the middle of the support seat (1), the outer wall of the screw rod (10) is threadedly connected to the housing (701), one end of the screw rod (10) is fixedly connected to the output end of the motor (9), and the outer wall of the motor (9) is fixedly connected to the right side of the support seat (1).

6. A double-slider core-pulling mold-out structure according to claim 1, characterized in that: A sealing sleeve (4) is provided between the first mold (2) and the second mold (3), and a plurality of feed ports (5) are provided at the top ends of the first mold (2) and the second mold (3).

7. The double-slider core-pulling mold-out structure according to claim 1, characterized in that: The outer wall of the support seat (1) is fixedly connected to a first electric push rod (6), the output end of the first electric push rod (6) is fixedly connected to a fixing frame (8), and the outer wall of the second mold (3) is fixedly connected between the fixing frames (8).

8. The double-slider core-pulling mold-out structure according to claim 3, characterized in that: The bottom end of the housing (701) is fixedly connected to a third electric push rod (7018), and the output end of the third electric push rod (7018) is fixedly connected to the bottom end of the outer wall of the connecting plate (709).

Images