Demolding mechanism of rotary sliding block

Abstract

The utility model discloses a demoulding mechanism of a rotary sliding block, relates to the technical field of moulds, and aims to solve the technical problems that the demoulding space of a buckling position of a product is too small, and a pitched roof or a common sliding block cannot be demoulded. A mold cavity is defined when the front mold and the rear mold are closed, an inverted buckle structure forming area is formed in the mold cavity, a rotating sliding block capable of rotating around a fixed axis is arranged in the rear mold, and in the mold opening process, the pivoting part is driven by the driving matching part to rotate around the rotating shaft, so that the forming part retreats from the inverted buckle structure forming area of the mold cavity along an arc track. According to the demolding mechanism of the rotary sliding block, provided by the embodiment of the utility model, in the mold opening process, the pivoting part is driven to rotate around the rotating shaft by driving the matching part, so that the forming part retreats from an inverted buckle structure forming area of the mold cavity along an arc track, the friction coefficient of a product contact surface is reduced, and the demolding quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially relates to a demoulding mechanism of rotary slider. BACKGROUND

[0002] When product buckle position demoulding space is insufficient, because doing inclined top or ordinary slider cannot demould, so it is urgent to design a rotary slider to reach the purpose of smooth demoulding. SUMMARY

[0003] The embodiment of the utility model provides a demoulding mechanism of rotary slider to solve at least product buckle position demoulding space is too small, the technical problem that doing inclined top or ordinary slider cannot demould.

[0004] To achieve the above purpose, the embodiment of the utility model adopts the following technical scheme:

[0005] A demoulding mechanism of rotary slider, including front mould and back mould, its characterized in that, when the front mould and back mould close, the cavity is enclosed, the cavity is formed with the inverted buckle structure forming area, the back mould is provided with the rotary slider that can rotate around the fixed axis, and the rotary slider has:

[0006] The forming part is matched with the shape of the inverted buckle structure forming area, and is inserted into the cavity in the closed mould state;

[0007] The pivot part is rotatably installed in the mounting groove of the back mould through the pivot;

[0008] The driving cooperation part is arranged at one end of the rotary slider away from the forming part;

[0009] In the opening process, the pivot part is driven to rotate around the pivot by the driving cooperation part under the elastic force, and the forming part exits the inverted buckle structure forming area of the cavity along the circular arc track.

[0010] The demoulding mechanism of rotary slider provided by the embodiment of the utility model drives the pivot part to rotate around the pivot in the opening process, makes the forming part exit the inverted buckle structure forming area of the cavity along the circular arc track, reduces the friction coefficient of the product contact surface, improves the demoulding quality, and solves the technical problem that the product buckle position demoulding space is too small, and the inclined top or ordinary slider cannot demould.

[0011] Further, the front mould has a pressing block at the position corresponding to the driving cooperation part;

[0012] In the closed mould state, the pressing block forces the pivot part of the rotary slider to rotate around the pivot towards the cavity, and the forming part is accurately abutted on the forming surface of the inverted buckle structure forming area.

[0013] Further, the back mould is provided with a reset mechanism, which comprises:

[0014] The sinking groove is arranged below the movement track of the driving matching part, and the opening of the sinking groove faces the bottom surface of the driving matching part;

[0015] The reset spring is fixed at the lower end of the bottom of the sinking groove, and the upper end of the reset spring extends to abut against the bottom surface of the driving matching part.

[0016] Further, the reset spring has two working states:

[0017] The compressed energy storage state: during the clamping process, the pressing block presses the driving matching part to move downward, and forces the reset spring to be compressed and stored energy;

[0018] The elastic release state: in the initial stage of the unclamping process, the pressing block is released from the constraint with the rear mold retreating, the reset spring pushes the driving matching part to move upward, the driving rotating slider rotates around the rotating shaft, and the forming part exits the inverted buckle structure forming area along the circular arc track.

[0019] Further, the rear mold is provided with a limiting mechanism, which comprises:

[0020] The limiting base is fixed to the side wall of the rear mold through fasteners;

[0021] The cantilever limiting block is rigidly connected to the limiting base at one end, and extends to the upper side of the rotating track of the driving matching part to form a limiting boss.

[0022] Further, in the unclamping process, when the reset spring pushes the driving matching part to move upward, the limiting boss contacts the top surface of the driving matching part, and limits the maximum rotation angle of the rotating slider. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The figure is a cross-sectional structure schematic diagram of the clamping state of the embodiment of the utility model Figure 1 ;

[0024] Figure 2 The figure is a rotating slider exit state schematic diagram in the unclamping process of the embodiment of the utility model

[0025] Figure 3 The figure is a schematic diagram of a molded product

[0026] Figure 4 The figure is a cross-sectional structure schematic diagram of the clamping state of the embodiment of the utility model Figure 2 ;

[0027] Figure 5 The figure is a cross-sectional structure schematic diagram of the unclamping state of the embodiment of the utility model

[0028] 1 - front mold; 2 - rear mold; 3 - mold cavity; 31 - inverted structure forming area; 4 - rotating slider; 41 - forming part; 42 - pivoting part; 43 - driving matching part; 5 - rotating shaft; 11 - pressing block; 6 - reset mechanism; 61 - sinking groove; 62 - reset spring; 7 - limiting mechanism; 71 - limiting base; 72 - fastener; 73 - cantilever limiting block. DETAILED DESCRIPTION

[0029] The embodiments of the present application will be described in detail below with reference to the drawings.

[0030] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0031] In the description of the present application, it should be understood that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the present disclosure, unless otherwise stated, the orientation words such as "axial", "circumferential", "radial" are generally defined with respect to the rotation axis of the rotor in the driving motor, and "inner", "outer" refer to the inner and outer of the corresponding component contour. The purpose of using the terms "first", "second" and the like is to distinguish different components, and does not have sequentiality and importance. In addition, in the following description, when referring to the drawings, the same reference numerals in different drawings represent the same or similar elements, unless otherwise explained.

[0033] The utility model embodiment proposes a kind of demolding mechanism of rotating slider, please refer to Figure 1 And Figure 2, comprising a front mold 1 and a rear mold 2, characterized in that the front mold 1 and the rear mold 2 form a mold cavity 3 when closed, and a reverse structure forming area 31 is formed in the mold cavity 3; the rear mold 2 is provided with a rotating slider 4 which can rotate around a fixed axis, the rotating slider 4 has a forming part 41 which is adapted to the shape of the reverse structure forming area 31 and extends into the mold cavity 3 in the closed state; a pivot part 42 which is rotatably installed in a mounting groove of the rear mold 2 through a rotating shaft 5; and a driving matching part 43 which is arranged at one end of the rotating slider 4 away from the forming part 41; wherein, during the mold opening process, the pivot part 42 is driven to rotate around the rotating shaft 5 by the driving of the driving matching part 43, so that the forming part 41 exits the reverse structure forming area 31 of the mold cavity 3 along an arc trajectory.

[0034] The demolding mechanism of the rotating slider provided in the embodiment of the utility model, in the mold opening process, drives the pivot part to rotate around the rotating shaft through the driving matching part, so that the forming part exits the reverse structure forming area of the mold cavity along an arc trajectory, the friction coefficient of the product contact surface is reduced, the demolding quality is improved, and the technical problems that the demolding space of the product buckle position is too small and the product cannot be demolded by the inclined ejector or the ordinary slider are solved.

[0035] Please refer to Figure 3 , which is a schematic view of a molded product, comprising a molded product 8, a baffle 81 and a buckle groove 82.

[0036] Please refer to Figure 4 , the front mold 1 has a pressing block 11 corresponding to the driving matching part 43;

[0037] In the closed state, the pressing block 11 forces the pivot part 42 of the rotating slider 4 to rotate around the rotating shaft 5 towards the mold cavity 3, so that the forming part 41 precisely abuts against the forming surface of the reverse structure forming area 31.

[0038] Please refer to Figure 2 , the rear mold 2 is provided with a reset mechanism 6, comprising: a sinking groove 61 which is arranged below the movement track of the driving matching part 43 and has an opening facing the bottom surface of the driving matching part 43; and a reset spring 62 which is fixed at the bottom of the sinking groove 61 and has an upper end extending to abut against the bottom surface of the driving matching part 43.

[0039] The reset spring 62 has two working states:

[0040] Compressed energy storage state: during the mold closing process, the pressing block 11 presses the driving matching part 43 to move downward, forcing the reset spring 62 to compress and store energy;

[0041] Elastic release state: in the initial stage of mold opening, the pressing block 11 retreats with the front mold 1 to release the constraint, the reset spring 62 pushes the driving matching part 43 to move upward, drives the rotating slider 4 to rotate around the rotating shaft 5, and makes the forming part 41 exit the reverse structure forming area 31 along an arc trajectory.

[0042] The reset spring (62) has a preset pre-tightening force, and the elastic coefficient thereof ranges from 5 to 20 N / mm;

[0043] Please continue to see Figure 2 and Figure 5 The rear mold 2 is provided with a limiting mechanism 7, which comprises a limiting base 71 fixed to the side wall of the rear mold 2 through a fastener 72, and a cantilever limiting block 73 rigidly connected to the limiting base 71 at one end and extending to above the rotation track of the driving cooperation part 43 at the other end to form a limiting boss.

[0044] During the mold opening process, when the reset spring 62 pushes the driving cooperation part 43 to move upward, the limiting boss is in contact with the top surface of the driving cooperation part 43 to limit the maximum rotation angle of the rotating slide block 4.

[0045] In the description of the present specification, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0046] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A rotating slider demolding mechanism comprising a front mold (1) and a back mold (2), characterized in that, The front mold (1) and the rear mold (2) are closed to form a mold cavity (3), a reverse buckle structure forming area (31) is formed in the mold cavity (3), a rotating slider (4) which can rotate around a fixed axis is arranged in the rear mold (2), the rotating slider (4) has: a forming part (41) which is matched with the shape of the reverse buckle structure forming area (31) and extends into the mold cavity (3) in the closed mold state; a pivoting part (42) which is rotatably installed in the mounting groove of the rear mold (2) through a rotating shaft (5); a driving matching part (43) which is arranged at one end of the rotating slider (4) away from the forming part (41); wherein, in the mold opening process, the driving matching part (43) is driven by the elastic force to make the pivoting part (42) rotate around the rotating shaft (5) to make the forming part (41) exit the reverse buckle structure forming area (31) of the mold cavity (3) along the circular arc track.

2. The rotating slide demolding mechanism according to claim 1, characterized in that, The front mold (1) has a pressing block (11) corresponding to the position of the driving matching part (43); in the closed mold state, the pressing block (11) forces the pivoting part (42) of the rotating slider (4) to rotate around the rotating shaft (5) towards the mold cavity (3) to make the forming part (41) abut precisely on the forming surface of the reverse buckle structure forming area (31).

3. The rotating slide demolding mechanism according to claim 2, characterized in that, The rear mold (2) is provided with a reset mechanism (6), which comprises: a sinking groove (61) arranged below the movement track of the driving matching part (43) and having an opening facing the bottom surface of the driving matching part (43); a reset spring (62) having its lower end fixed to the bottom of the sinking groove (61) and its upper end extending to abut against the bottom surface of the driving matching part (43).

4. The rotating slide demolding mechanism according to claim 3, characterized in that, The reset spring (62) has two working states: compressed energy storage state: in the mold closing process, the driving matching part (43) is forced to move downward by the pressing block (11) to compress and store the reset spring (62); elastic release state: in the initial stage of mold opening, the pressing block (11) retreats with the front mold (1) to release the constraint, the reset spring (62) pushes the driving matching part (43) to move upward to drive the rotating slider (4) to rotate around the rotating shaft (5) to make the forming part (41) exit the reverse buckle structure forming area (31) along the circular arc track.

5. The rotating slide demolding mechanism according to claim 4, characterized in that, The rear mold (2) is provided with a limiting mechanism (7), which comprises: a limiting base (71) fixed to the side wall of the rear mold (2) through a fastener (72); a cantilever limiting block (73) having one end rigidly connected with the limiting base (71) and the other end extending above the rotating track of the driving matching part (43) to form a limiting boss.

6. The rotating slide demolding mechanism according to claim 5, wherein In the mold opening process, when the reset spring (62) pushes the driving matching part (43) to move upward, the limiting boss contacts with the top surface of the driving matching part (43) to limit the maximum rotation angle of the rotating slider (4).

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