阅读说明：本技术 双擎锁模结构 (Double-engine mold locking structure ) 是由 郭锡南 黄斌斌 郑俊峰 于 2020-07-23 设计创作，主要内容包括：本发明公开了一种双擎锁模结构,包括定模板、动模板、锁模臂和驱动器,锁模臂一端与定模板连接,锁模臂另一端通过曲柄连杆机构与驱动器连接,驱动器由开合模电机与锁模油缸组成,开合模电机通过曲柄连杆机构驱动动模板与定模板开模或合模,合模时,锁模油缸使曲柄连杆机构锁定。本发明采用双擎设计,通过电机实现开合模,保证了开合模的反应速度和位移精度,通过油缸实现锁模,避免电机锁模时一直负荷工作,有效降低能耗。(The invention discloses a double-lift mode locking structure, which comprises a fixed template, a movable template, a mode locking arm and a driver, wherein one end of the mode locking arm is connected with the fixed template, the other end of the mode locking arm is connected with the driver through a crank link mechanism, the driver consists of a die opening and closing motor and a mode locking oil cylinder, the die opening and closing motor drives the movable template and the fixed template to open or close a die through the crank link mechanism, and the crank link mechanism is locked by the mode locking oil cylinder during die closing. The invention adopts a double-engine design, realizes the die opening and closing through the motor, ensures the reaction speed and the displacement precision of the die opening and closing, realizes the die locking through the oil cylinder, avoids the constant load work when the motor locks the die, and effectively reduces the energy consumption.)

1. A double-engine mode locking structure is characterized in that: the mould locking mechanism comprises a fixed mould plate (1), a movable mould plate (2), a mould locking arm (3) and a driver (4), wherein one end of the mould locking arm (3) is connected with the fixed mould plate (1), the other end of the mould locking arm (3) is connected with the driver (4) through a crank connecting rod mechanism (6), the driver (4) consists of a mould opening and closing motor (41) and a mould locking oil cylinder (42), the mould opening and closing motor (41) drives the movable mould plate (2) to open or close the mould with the fixed mould plate (1) through the crank connecting rod mechanism (6), and during mould closing, the mould locking oil cylinder (42) enables the crank connecting rod mechanism (6) to be locked.

2. The dual-engine mode-locking structure of claim 1, wherein: the driver (4) further comprises a frame (43), the mold opening and closing motor (41) and the mold locking oil cylinder (42) are respectively installed on the frame (43), the mold locking oil cylinder (42) is located between the movable mold plate (2) and the frame (43), a crank of the crank connecting rod mechanism (6) is arranged in the frame (43), and a crank limiting piece is arranged between the crank and the frame (43).

3. The dual-engine mode-locking structure of claim 2, wherein: when the die is closed, the included angle between a crank and a connecting rod of the crank connecting rod mechanism (6) is less than 180 degrees, and the crank limiting part is composed of a crank lug (61) arranged on the surface of the crank in the anticlockwise direction and a frame cross beam (431) transversely arranged on a rotating track of the crank on a frame (43).

4. The dual engine mode locking structure according to any one of claims 1-3, wherein: and the mold opening and closing motor (41) and the mold locking oil cylinder (42) work alternately.

5. The dual engine mode locking structure according to any one of claims 1-3, wherein: the mould locking arm (3) is provided with a transverse sliding rail (31), the driver (4) and the movable mould plate (2) are respectively arranged on the transverse sliding rail (31) and move synchronously.

6. The dual-engine mode-locking structure of claim 5, wherein: the mould locking arm (3) is a C-shaped arm consisting of a horizontal arm, a front tilting arm and a rear tilting arm, the mould locking arm (3) spans the fixed template (1) and the movable template (2), and the transverse sliding rail (31) is arranged on the upper surface of the horizontal arm.

7. The dual-engine mode-locking structure of claim 6, wherein: the width of horizontal arm, preceding wane arm and back wane arm is not of same size, and the width D that the width of preceding wane arm or back wane arm is less than the width of horizontal arm and preceding wane arm or the width of back wane arm junction.

8. The dual-engine mode-locking structure of claim 6, wherein: the front warping arm is connected with the fixed template (1) through the shaft rod (5), and the fixed template (1) can rotate around the shaft rod (5).

9. The dual engine mode locking structure according to any one of claims 1-3, wherein: and a longitudinal slide rail (32) is arranged at the bottom of the mold locking arm (3).

10. The dual-engine mode-locking structure of claim 8, wherein: the rotation centers of the shaft lever (5), the mold locking oil cylinder (42) and the crank connecting rod mechanism (6) are on the same horizontal plane.

Technical Field

The invention belongs to the field of compression molding equipment, and particularly relates to a double-lift mode locking structure which is suitable for compression molding equipment such as a bottle blowing machine.

Background

The existing compression molding equipment (such as a bottle blowing machine) adopts either a hydraulic oil cylinder to drive die opening, die closing and die locking or a motor to drive the die opening, die closing and die locking, but the oil cylinder drive has the problems of slow reaction, large error and the like; the motor drive has the problems of long load time, high energy consumption and the like. For this reason, it is necessary to optimize the existing mode locking structure.

Disclosure of Invention

The invention aims to provide a double-engine mode locking structure which has the characteristics of quick response, high precision, low energy consumption and the like.

The technical problem is solved by the following technical scheme: a double-lift mode locking structure comprises a fixed template, a movable template, a mode locking arm and a driver, wherein one end of the mode locking arm is connected with the fixed template, the other end of the mode locking arm is connected with the driver through a crank link mechanism, the driver comprises a mode opening and closing motor and a mode locking oil cylinder, the mode opening and closing motor drives the movable template and the fixed template to open or close a mold through the crank link mechanism, and the mode locking oil cylinder locks the crank link mechanism during mold closing.

Compared with the background technology, the invention has the following beneficial effects: the invention adopts a double-engine design, realizes the die opening and closing through the motor, ensures the reaction speed and the displacement precision of the die opening and closing, realizes the die locking through the oil cylinder, avoids the constant load work when the motor locks the die, and effectively reduces the energy consumption.

In one embodiment, the driver further comprises a frame, the mold opening and closing motor and the mold locking oil cylinder are respectively mounted on the frame, the mold locking oil cylinder is located between the movable mold plate and the frame, a crank of the crank-link mechanism is arranged in the frame, and a crank limit piece is arranged between the crank and the frame.

In one embodiment, when the die is closed, an included angle between a crank and a connecting rod of the crank-connecting rod mechanism is less than 180 degrees, and the crank limiting part is composed of a crank lug boss arranged on the surface of the crank in the anticlockwise direction and a frame cross beam transversely arranged on a rotating track of the crank on the frame.

In one embodiment, the mold opening and closing motor and the mold locking oil cylinder work alternately.

Has the advantages that: the working time of the motor and the oil cylinder is reasonably adjusted, so that the energy consumption is reduced.

In one embodiment, the mold locking arm is provided with a transverse slide rail, and the driver and the movable mold plate are respectively installed on the transverse slide rail and move synchronously.

Has the advantages that: the movable mould plate moves on the mould locking arm, and the mould locking arm is used as a main body of the mould moving part, so that the number of parts is reduced, and the equipment structure is simpler and more compact.

In one embodiment, the mold locking arm is a C-shaped arm consisting of a horizontal arm, a front tilting arm and a rear tilting arm, the mold locking arm spans the fixed mold plate and the movable mold plate, and the transverse slide rail is arranged on the upper surface of the horizontal arm.

In one embodiment, the widths of the horizontal arm, the front tilting arm and the rear tilting arm are different, and the width of the front tilting arm or the rear tilting arm is less than the width D of the horizontal arm and less than the width of the joint of the horizontal arm and the front tilting arm or the rear tilting arm.

Has the advantages that: the width of the corresponding part is designed according to the stress condition of each part of the mould locking arm, which is helpful to ensure the safety and reliability of the equipment structure.

In one embodiment, the front tilting arm is connected with the fixed die plate through a shaft rod, and the fixed die plate can rotate around the shaft rod.

Has the advantages that: because the fixed die plate can rotate around the shaft rod, the convenience of die replacement can be improved as long as the fixed die plate is turned to an open space during die replacement.

In one embodiment, the bottom of the mold locking arm is provided with a longitudinal sliding rail.

Has the advantages that: and a longitudinal sliding rail is arranged at the bottom of the mold locking arm, so that the mold locking arm can switch the station position conveniently.

In one embodiment, the rotation centers of the shaft rod, the mold locking oil cylinder and the crank-link mechanism are on the same horizontal plane.

The above embodiments can be combined arbitrarily to form a combined embodiment according to the design requirements of the product and on the premise of contradiction in the technical scheme.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a perspective view of a portion of the present invention;

fig. 3 is a front view of the present invention.

Wherein: the device comprises a fixed die plate 1, a movable die plate 2, a die locking arm 3, a transverse slide rail 31, a longitudinal slide rail 32, a driver 4, an opening and closing die motor 41, a die locking cylinder 42, a frame 43, a frame cross beam 431, a shaft rod 5, a connecting rod mechanism 6 and a crank lug 61.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

As shown in fig. 1-3, the double-lift mold locking structure of the present embodiment includes a fixed mold plate 1, a movable mold plate 2, a mold locking arm 3 and a driver 4.

The mode locking arm 3 is a C-shaped arm consisting of a horizontal arm, a front tilting arm and a rear tilting arm, the widths of the horizontal arm, the front tilting arm and the rear tilting arm are different in size, and the width D of the front tilting arm or the rear tilting arm is less than the width of the joint of the horizontal arm and the front tilting arm or the rear tilting arm. The back arm that sticks up of mode locking arm 3 passes through crank link mechanism 6 to be connected with driver 4, and the preceding arm that sticks up of mode locking arm 3 passes through axostylus axostyle 5 to be connected with fixed die plate 1, and fixed die plate 1 can be rotatory around axostylus axostyle 5. The mold locking arm 3 strides over the fixed mold plate 1 and the movable mold plate 2, a horizontal slide rail 31 is arranged on the upper surface of the horizontal arm of the mold locking arm 3, and a longitudinal slide rail 32 is arranged at the bottom of the mold locking arm 3. The driver 4 and the movable template 2 are respectively installed on the transverse slide rails 31 and move synchronously.

The driver 4 is composed of a mold opening and closing motor 41, a mold locking oil cylinder 42 and a frame 43. The mold opening and closing motor 41 and the mold locking oil cylinder 42 are respectively installed on the frame 43, the mold locking oil cylinder 42 is located between the movable mold plate 2 and the frame 43, and the mold opening and closing motor 41 and the mold locking oil cylinder 42 alternately work. The crank of the crank link mechanism 6 is arranged in the frame 43, and a crank limit piece is arranged between the crank and the frame 43. The crank stopper is composed of a crank projection 61 disposed on the surface of the crank in the counterclockwise direction and a frame beam 431 disposed on the frame 43 transversely to the rotation locus of the crank. The rotation centers of the shaft lever 5, the mold locking cylinder 42 and the crank link mechanism 6 are on the same horizontal plane.

When the invention works, the die opening and closing motor 41 drives the movable die plate 2 and the fixed die plate 1 to open or close the die through the crank connecting rod mechanism 6. When the die is closed, the included angle between the crank of the crank connecting rod mechanism 6 and the connecting rod is less than 180 degrees, at the moment, the die opening and closing motor 41 is closed, the die locking oil cylinder 42 is started, the crank of the crank connecting rod mechanism 6 has the upward rotating trend, the crank bump 61 is enabled to be propped against the frame cross beam 431, the rotation of the crank is limited, and the crank connecting rod mechanism 6 is locked.

The mold opening and closing device is driven by a motor, the mold locking device is driven by an oil cylinder, and in the mold locking state, the crank-link mechanism does not reach 180 degrees, and the crank is limited, so that the reaction force of the mold locking device can be counteracted by a mechanical limiting structure, and the motor is free of load when the mold locking device is used for locking the mold.

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