阅读说明：本技术 注塑成型模具的锁模方法 (Mold locking method of injection molding mold ) 是由 黄和生 沈明 聂明峰 施祥来 王超化 罗勇 李果 于 2020-07-30 设计创作，主要内容包括：本发明公开了一种注塑成型模具的锁模方法,包括如下步骤：模具合模完成后,锁模气缸向下伸出并下压按压头,按压头通过竖移活塞杆驱动竖移活塞下移,进而通过液压油驱动一对横移活塞外移,该对横移活塞分别通过对应的横移活塞杆驱动对应的竖杆外移,进而驱动下锁杆插入对应的下锁孔,并驱动上锁杆插入对应的上锁孔,将上模板和下模板锁死在一起,完成锁模；注塑完成后,锁模气缸回缩复位,竖向弹簧将按压头上推复位,且一对横向弹簧分别回拉对应的竖杆,竖杆带动对应的横移活塞杆回推对应的横移活塞复位,使下锁杆与对应的下锁孔脱离,且使上锁杆与对应的上锁孔脱离,完成解锁。本发明能在注塑过程中将上模板和下模板锁死在一起。(The invention discloses a mode locking method of an injection molding mold, which comprises the following steps: after the die is closed, the die locking cylinder extends downwards and presses the pressing head downwards, the pressing head drives the vertical moving piston to move downwards through the vertical moving piston rod, and further drives a pair of transverse moving pistons to move outwards through hydraulic oil, the pair of transverse moving pistons respectively drive the corresponding vertical rods to move outwards through the corresponding transverse moving piston rods, so that the lower locking rods are driven to be inserted into the corresponding lower locking holes, the upper locking rods are driven to be inserted into the corresponding upper locking holes, and the upper die plate and the lower die plate are locked together to complete die locking; after the injection molding is completed, the mode locking cylinder retracts and resets, the vertical spring pushes the pressing head upwards and resets, the pair of transverse springs respectively pull back the corresponding vertical rods, the vertical rods drive the corresponding transverse piston rods to push back the corresponding transverse pistons to reset, the lower locking rods are separated from the corresponding lower locking holes, the upper locking rods are separated from the corresponding upper locking holes, and the unlocking is completed. The invention can lock the upper template and the lower template together in the injection molding process.)

1. The mold locking method of the injection molding mold is characterized in that:

the injection molding mold comprises a panel, an upper template and a lower template which are arranged from top to bottom in sequence;

a three-way pipe and a pair of guide sleeves are fixedly arranged on the side wall of the lower template; the three-way pipe comprises: the bottom end of the vertical pipe is communicated with the middle part of the horizontal pipe; the vertical pipe is positioned in the transverse middle of the side wall of the lower template; a pair of transverse moving pistons are arranged at two ends of the transverse pipe and are in sliding fit with the transverse pipe; the pair of traverse pistons are symmetrically arranged by vertical pipes; a vertical moving piston is arranged at the top end of the vertical pipe, and the vertical moving piston is in sliding fit with the vertical pipe; hydraulic oil is filled in the three-way pipe, and the hydraulic oil is sealed in the three-way pipe by the vertically-moving piston and the pair of horizontally-moving pistons; the pair of transverse moving piston rods are correspondingly connected with the pair of transverse moving pistons one by one, and the pair of transverse moving piston rods respectively extend to the outer part of the transverse pipe; the pair of vertical rods is correspondingly connected with the outer ends of the pair of transverse moving piston rods one by one; the pair of guide sleeves corresponds to the pair of transverse moving piston rods one by one; the transverse moving piston rod penetrates through the corresponding guide sleeve and is in sliding fit with the guide sleeve; the transverse piston rod is also sleeved with a transverse spring, the transverse spring is positioned between the vertical rod and the guide sleeve, one end of the transverse spring is fixedly connected with the vertical rod, and the other end of the transverse spring is fixedly connected with the guide sleeve; a vertical moving piston rod is connected with the vertical moving piston, and the vertical moving piston rod extends to the outside of the vertical pipe; the top end of the vertical moving piston rod is provided with a pressing head, the vertical moving piston rod is also sleeved with a vertical spring, the top end of the vertical spring is fixedly connected with the pressing head, and the bottom end of the vertical spring is fixedly connected with the vertical pipe;

a mold locking cylinder is fixedly arranged on the bottom surface of the panel; the mold locking cylinder is positioned right above the pressing head and can press the pressing head downwards;

a pair of lower locking blocks is fixedly arranged on the side wall of the lower template; the lower locking blocks correspond to the vertical rods one by one; the lower locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with a lower locking rod facing the lower locking block, the lower locking block is provided with a lower locking hole into which the lower locking rod can be inserted, and the lower locking rod is in sliding fit with the lower locking hole;

a pair of upper locking blocks is fixedly arranged on the side wall of the upper template; the pair of upper locking blocks corresponds to the pair of vertical rods one by one; the upper locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with an upper locking rod facing the upper locking block, the upper locking block is provided with an upper locking hole into which the upper locking rod can be inserted, and the upper locking rod is in sliding fit with the upper locking hole;

the mode locking method comprises the following steps:

after the die is closed, the die locking cylinder extends downwards and presses the pressing head downwards, the pressing head drives the vertical moving piston to move downwards through the vertical moving piston rod, and further drives a pair of transverse moving pistons to move outwards through hydraulic oil, the pair of transverse moving pistons respectively drive the corresponding vertical rods to move outwards through the corresponding transverse moving piston rods, so that the lower locking rods are driven to be inserted into the corresponding lower locking holes, the upper locking rods are driven to be inserted into the corresponding upper locking holes, and the upper die plate and the lower die plate are locked together to complete die locking;

after the injection molding is completed, the mode locking cylinder retracts and resets, the vertical spring pushes the pressing head upwards and resets, the pair of transverse springs respectively pull back the corresponding vertical rods, the vertical rods drive the corresponding transverse piston rods to push back the corresponding transverse pistons to reset, the lower locking rods are separated from the corresponding lower locking holes, the upper locking rods are separated from the corresponding upper locking holes, and the unlocking is completed.

2. The method of clamping a mold for injection molding according to claim 1, wherein the pair of lower clamping blocks are provided at both lateral ends of the sidewall of the lower mold plate.

3. The method of clamping an injection mold according to claim 2, wherein the pair of locking blocks are provided at both lateral ends of the side wall of the upper mold plate.

4. The method for clamping an injection mold according to claim 3, wherein the pair of lower locking pieces are symmetrically disposed about the vertical axis.

5. The method for clamping an injection mold according to claim 4, wherein the pair of upper locking pieces are symmetrically disposed about the vertical axis.

6. The method of clamping an injection mold according to claim 5, wherein the pair of vertical rods are symmetrically disposed about the vertical tube.

7. The method for clamping an injection mold according to claim 6, wherein the pair of guide sleeves are symmetrically disposed about the vertical tube.

Technical Field

The invention relates to a mode locking method of an injection molding mold.

Background

The injection molding production of plastic products requires the use of a mold, and the mold has a high pressure inside a cavity during injection, which causes a relative separation tendency between an upper mold plate and a lower mold plate, so that the mold needs to be provided with a mold locking function to lock the upper mold plate and the lower mold plate together during the injection molding process.

Disclosure of Invention

The invention aims to provide a mould locking method of an injection molding mould, which can lock an upper template and a lower template together in the injection molding process.

In order to achieve the purpose, the technical scheme of the invention is to design a mode locking method of an injection molding mold, wherein the injection molding mold comprises a panel, an upper template and a lower template which are sequentially arranged from top to bottom;

a three-way pipe and a pair of guide sleeves are fixedly arranged on the side wall of the lower template; the three-way pipe comprises: the bottom end of the vertical pipe is communicated with the middle part of the horizontal pipe; the vertical pipe is positioned in the transverse middle of the side wall of the lower template; a pair of transverse moving pistons are arranged at two ends of the transverse pipe and are in sliding fit with the transverse pipe; the pair of traverse pistons are symmetrically arranged by vertical pipes; a vertical moving piston is arranged at the top end of the vertical pipe, and the vertical moving piston is in sliding fit with the vertical pipe; hydraulic oil is filled in the three-way pipe, and the hydraulic oil is sealed in the three-way pipe by the vertically-moving piston and the pair of horizontally-moving pistons; the pair of transverse moving piston rods are correspondingly connected with the pair of transverse moving pistons one by one, and the pair of transverse moving piston rods respectively extend to the outer part of the transverse pipe; the pair of vertical rods is correspondingly connected with the outer ends of the pair of transverse moving piston rods one by one; the pair of guide sleeves corresponds to the pair of transverse moving piston rods one by one; the transverse moving piston rod penetrates through the corresponding guide sleeve and is in sliding fit with the guide sleeve; the transverse piston rod is also sleeved with a transverse spring, the transverse spring is positioned between the vertical rod and the guide sleeve, one end of the transverse spring is fixedly connected with the vertical rod, and the other end of the transverse spring is fixedly connected with the guide sleeve; a vertical moving piston rod is connected with the vertical moving piston, and the vertical moving piston rod extends to the outside of the vertical pipe; the top end of the vertical moving piston rod is provided with a pressing head, the vertical moving piston rod is also sleeved with a vertical spring, the top end of the vertical spring is fixedly connected with the pressing head, and the bottom end of the vertical spring is fixedly connected with the vertical pipe;

a mold locking cylinder is fixedly arranged on the bottom surface of the panel; the mold locking cylinder is positioned right above the pressing head and can press the pressing head downwards;

a pair of lower locking blocks is fixedly arranged on the side wall of the lower template; the lower locking blocks correspond to the vertical rods one by one; the lower locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with a lower locking rod facing the lower locking block, the lower locking block is provided with a lower locking hole into which the lower locking rod can be inserted, and the lower locking rod is in sliding fit with the lower locking hole;

a pair of upper locking blocks is fixedly arranged on the side wall of the upper template; the pair of upper locking blocks corresponds to the pair of vertical rods one by one; the upper locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with an upper locking rod facing the upper locking block, the upper locking block is provided with an upper locking hole into which the upper locking rod can be inserted, and the upper locking rod is in sliding fit with the upper locking hole;

the mode locking method comprises the following steps:

after the die is closed, the die locking cylinder extends downwards and presses the pressing head downwards, the pressing head drives the vertical moving piston to move downwards through the vertical moving piston rod, and further drives a pair of transverse moving pistons to move outwards through hydraulic oil, the pair of transverse moving pistons respectively drive the corresponding vertical rods to move outwards through the corresponding transverse moving piston rods, so that the lower locking rods are driven to be inserted into the corresponding lower locking holes, the upper locking rods are driven to be inserted into the corresponding upper locking holes, and the upper die plate and the lower die plate are locked together to complete die locking;

after the injection molding is completed, the mode locking cylinder retracts and resets, the vertical spring pushes the pressing head upwards and resets, the pair of transverse springs respectively pull back the corresponding vertical rods, the vertical rods drive the corresponding transverse piston rods to push back the corresponding transverse pistons to reset, the lower locking rods are separated from the corresponding lower locking holes, the upper locking rods are separated from the corresponding upper locking holes, and the unlocking is completed.

Preferably, the pair of lower locking blocks are respectively arranged at the two transverse ends of the side wall of the lower template.

Preferably, the pair of locking blocks are provided at both lateral ends of the side wall of the upper die plate.

Preferably, the pair of lower locking blocks are symmetrically arranged on the vertical pipe.

Preferably, the pair of upper locking blocks are symmetrically arranged on the vertical pipe.

Preferably, the pair of vertical rods are symmetrically arranged on the vertical pipe.

Preferably, the pair of guide sleeves are symmetrically arranged on the vertical pipe.

The invention has the advantages and beneficial effects that: the mold locking method for the injection molding mold is provided, and the upper mold plate and the lower mold plate can be locked together in the injection molding process.

Detailed Description

The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

The technical scheme of the specific implementation of the invention is as follows:

a mode locking method of an injection molding mold comprises the steps that the injection molding mold comprises a panel, an upper template and a lower template which are sequentially arranged from top to bottom;

a three-way pipe and a pair of guide sleeves are fixedly arranged on the side wall of the lower template; the three-way pipe comprises: the bottom end of the vertical pipe is communicated with the middle part of the horizontal pipe; the vertical pipe is positioned in the transverse middle of the side wall of the lower template; a pair of transverse moving pistons are arranged at two ends of the transverse pipe and are in sliding fit with the transverse pipe; the pair of traverse pistons are symmetrically arranged by vertical pipes; a vertical moving piston is arranged at the top end of the vertical pipe, and the vertical moving piston is in sliding fit with the vertical pipe; hydraulic oil is filled in the three-way pipe, and the hydraulic oil is sealed in the three-way pipe by the vertically-moving piston and the pair of horizontally-moving pistons; the pair of transverse moving piston rods are correspondingly connected with the pair of transverse moving pistons one by one, and the pair of transverse moving piston rods respectively extend to the outer part of the transverse pipe; the pair of vertical rods is correspondingly connected with the outer ends of the pair of transverse moving piston rods one by one; the vertical rods are symmetrically arranged by vertical pipes; the pair of guide sleeves corresponds to the pair of transverse moving piston rods one by one; the pair of guide sleeves are symmetrically arranged by vertical pipes; the transverse moving piston rod penetrates through the corresponding guide sleeve and is in sliding fit with the guide sleeve; the transverse piston rod is also sleeved with a transverse spring, the transverse spring is positioned between the vertical rod and the guide sleeve, one end of the transverse spring is fixedly connected with the vertical rod, and the other end of the transverse spring is fixedly connected with the guide sleeve; a vertical moving piston rod is connected with the vertical moving piston, and the vertical moving piston rod extends to the outside of the vertical pipe; the top end of the vertical moving piston rod is provided with a pressing head, the vertical moving piston rod is also sleeved with a vertical spring, the top end of the vertical spring is fixedly connected with the pressing head, and the bottom end of the vertical spring is fixedly connected with the vertical pipe;

a mold locking cylinder is fixedly arranged on the bottom surface of the panel; the mold locking cylinder is positioned right above the pressing head and can press the pressing head downwards;

a pair of lower locking blocks is fixedly arranged on the side wall of the lower template; the pair of lower locking blocks are respectively arranged at the two transverse ends of the side wall of the lower template, and the pair of lower locking blocks are symmetrically arranged by vertical pipes; the lower locking blocks correspond to the vertical rods one by one; the lower locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with a lower locking rod facing the lower locking block, the lower locking block is provided with a lower locking hole into which the lower locking rod can be inserted, and the lower locking rod is in sliding fit with the lower locking hole;

a pair of upper locking blocks is fixedly arranged on the side wall of the upper template; the pair of upper locking blocks are respectively arranged at the two transverse ends of the side wall of the upper template and are symmetrically arranged by vertical pipes; the pair of upper locking blocks corresponds to the pair of vertical rods one by one; the upper locking block is positioned at the outer side of the corresponding vertical rod, the vertical rod is provided with an upper locking rod facing the upper locking block, the upper locking block is provided with an upper locking hole into which the upper locking rod can be inserted, and the upper locking rod is in sliding fit with the upper locking hole;

the mode locking method comprises the following steps:

after the die is closed, the die locking cylinder extends downwards and presses the pressing head downwards, the pressing head drives the vertical moving piston to move downwards through the vertical moving piston rod, and further drives a pair of transverse moving pistons to move outwards through hydraulic oil, the pair of transverse moving pistons respectively drive the corresponding vertical rods to move outwards through the corresponding transverse moving piston rods, so that the lower locking rods are driven to be inserted into the corresponding lower locking holes, the upper locking rods are driven to be inserted into the corresponding upper locking holes, and the upper die plate and the lower die plate are locked together to complete die locking;

after the injection molding is completed, the mode locking cylinder retracts and resets, the vertical spring pushes the pressing head upwards and resets, the pair of transverse springs respectively pull back the corresponding vertical rods, the vertical rods drive the corresponding transverse piston rods to push back the corresponding transverse pistons to reset, the lower locking rods are separated from the corresponding lower locking holes, the upper locking rods are separated from the corresponding upper locking holes, and the unlocking is completed.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.