一种吹瓶机用开合模结构

Abstract

本实用新型提供了一种吹瓶机用开合模结构，包括底板，底板的上端依次设置有前定板、活动板以及后定板，活动板与后定板之间形成有驱动腔室，驱动腔室中设置有安装架，安装架的上端外侧设置有伺服电机，安装架的上端内侧设置有传动机构，传动机构的一端与伺服电机的输出端连接，传动机构的另一端通过转轴与安装架远离伺服电机一侧转动连接，安装架的内侧设置有驱动机构，驱动机构的输入端与传动机构的中部连接，驱动机构的输出端与活动板以及后定板连接。在运行过程中，传动机构所受到的作用力将作用在安装架的两侧，以此保证安装架不易发生偏斜，使得上述开合模具有结构稳定性较高的优势。

Claims

1. A mold opening and closing structure for a blow molding machine, characterized in that: The system includes a base plate (1) for connection to the frame of a blow molding machine. A front fixed plate (2), a movable plate (3), and a rear fixed plate (4) are sequentially arranged on the upper end of the base plate (1). A molding chamber (5) is formed between the front fixed plate (2) and the movable plate (3). The blow molding machine mold is located in the molding chamber (5) and is connected to both the front fixed plate (2) and the movable plate (3). A drive chamber (6) is formed between the movable plate (3) and the rear fixed plate (4). A mounting bracket (7) is provided in the drive chamber (6). The lower end of the mounting bracket (7) is fixedly connected to the base plate (1). A servo motor (8) is provided on the outer side of the upper end of the mounting bracket (7). The output end of the servo motor (8) extends into the inner side of the mounting bracket (7). A transmission mechanism (9) is provided on the inner side of the upper end of the mounting bracket (7). One end of the transmission mechanism (9) is connected to the output end of the servo motor (8), and the other end of the transmission mechanism (9) is connected to the output end of the servo motor (8). The end is rotatably connected to the mounting bracket (7) away from the servo motor (8) via a rotating shaft. A drive mechanism (10) is provided on the inner side of the mounting bracket (7). The input end of the drive mechanism (10) is connected to the middle of the transmission mechanism (9). The output end of the drive mechanism (10) is connected to the movable plate (3) and the rear fixed plate (4). When the servo motor (8) rotates in the forward direction, the servo motor (8) will drive the input end of the drive mechanism (10) to move upward through the transmission mechanism (9). The output end of the drive mechanism (10) will drive the movable plate (3) to move closer to the rear fixed plate (4) to complete the mold opening. When the servo motor (8) rotates in the reverse direction, the servo motor (8) will drive the input end of the drive mechanism (10) to move downward through the transmission mechanism (9). The output end of the drive mechanism (10) will drive the movable plate (3) away from the rear fixed plate (4) to complete the mold closing.

2. The mold opening and closing structure for a bottle blowing machine according to claim 1, characterized in that: The transmission mechanism (9) includes a master rocker arm (91), a slave rocker arm (92), and a connecting shaft (93). One end of the master rocker arm (91) is fixedly connected to the output end of the servo motor (8), and the other end of the master rocker arm (91) is rotatably connected to the connecting shaft (93). One end of the slave rocker arm (92) is rotatably connected to the mounting bracket (7) through a transition shaft, and the other end of the slave rocker arm (92) is rotatably connected to the connecting shaft (93). The input end of the drive mechanism (10) is connected to the middle part of the connecting shaft (93).

3. The open-close mold structure for a bottle blowing machine according to claim 2, characterized in that: The drive mechanism (10) includes a transmission plate (101) rotatably sleeved on the connecting shaft (93), a response plate (102) rotatably disposed on the transmission plate (101), a first connecting plate (103) rotatably disposed between the response plate (102) and the movable plate (3), and a second connecting plate (104) rotatably disposed between the response plate (102) and the rear fixed plate (4). The response plate (102) is slidably disposed on the mounting bracket (7) in the vertical direction.

4. The open-close mold structure for a bottle blowing machine according to claim 3, characterized in that: There are two transmission plates (101), and the two transmission plates (101) are symmetrically distributed on both sides of the response plate (102) along the axial direction of the connecting shaft (93).

5. The open-close mold structure for a bottle blowing machine according to claim 4, characterized in that: The mounting bracket (7) has a guide hole (11) on its side wall, and the response plate (102) has a guide slider (12) on its side wall. The guide slider (12) is slidably disposed in the guide hole (11) to limit the sliding direction of the response plate (102).

6. The open-close mold structure for a bottle blowing machine according to claim 5, characterized in that: The response plate (102) is rotatably connected to the first connecting plate (103) and the second connecting plate (104) via the assembly shaft (13), and the guide slider (12) is detachably disposed at the end of the assembly shaft (13).

7. The open-close mold structure for a bottle blowing machine according to claim 6, characterized in that: The end of the assembly shaft (13) that extends into the guide hole (11) is the guide end (131). The outer side of the guide end (131) is provided with an external thread. The guide slider (12) is provided with a clearance through hole (14) for the guide end (131) to pass through. The guide end (131) is threaded with two limiting nuts (15). The two limiting nuts (15) are respectively located on both sides of the guide slider (12) to fix the guide slider (12).

8. The open-close mold structure for a bottle blowing machine according to claim 7, characterized in that: A spring washer (16) is provided between the limiting nut (15) and the guide slider (12), and the spring washer (16) is movably sleeved on the outside of the assembly shaft (13).

9. The mold opening and closing structure for a blow molding machine according to claim 5, characterized in that: The guide hole (11) has vertically extending limiting grooves (17) on both sides of its opposite sidewalls. The guide slider (12) has a receiving groove (18) opposite to the limiting groove (17). The receiving groove (18) contains a return spring (19) and a limiting slider (20) in sequence. The return spring (19) drives the limiting slider (20) into the limiting groove (17) by elastic force. The end of the limiting slider (20) away from the return spring (19) is provided with a hemispherical limiting protrusion (21).

10. The open-close mold structure for a bottle blowing machine according to claim 9, characterized in that: A retaining ring (22) is threadedly connected to the opening of the limiting groove (17). The retaining ring (22) is constricted to limit the limiting protrusion (21).

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