Container turnover mechanism

Abstract

The invention discloses a container turnover mechanism which comprises a cam plate, a connecting rod, a main rotating shaft, a turnover shaft and a power source, a cam groove is formed in the cam plate and is formed by smoothly communicating an upper vertical linear groove, a middle turnover arc-shaped groove and a lower vertical linear groove, a mounting hole is formed in the lower end of the connecting rod, the turnover shaft is fixed to one end of the main rotating shaft and is eccentric with the main rotating shaft, and the power source is fixed to the middle turnover arc-shaped groove. The cam plate and the power source are fixed to the machine frame, the power source is used for driving the connecting rod to move up and down, the main rotating shaft is rotatably installed in the installation hole, the overturning shaft is located in the cam groove, and when the connecting rod is driven to move up and down, the overturning shaft can be driven by the connecting rod to move along the cam groove. The overturning shaft can drive the main rotating shaft to drive the clamp to overturn by 180 degrees every time the overturning shaft passes through the middle overturning arc-shaped groove. The overturning process of the container overturning mechanism is controlled by the cam groove, so that the overturning position is accurate and reliable, all the components in the mechanism are axially arranged, the occupied area in the circumferential direction and the radial direction is small, and high adaptability is achieved.

Description

Technical Field

[0001] The invention relates to the field of bottle blowing machines, and in particular to a container turning mechanism. Background Art

[0002] After the preforms of larger bottles are heated with the mouth facing downward, they need to be flipped 180° to a state with the mouth facing upward, and then enter the preform removal cam. Generally, in order to quickly flip small preforms, this action is completed by designing a flip guide rail, but due to insufficient space for large preforms, other flipping methods need to be considered. Traditional method: generally a gear rack or a flip motor is used to complete the flipping action. However, the gear rack mechanism occupies a large circumferential and radial area, and the flip motor occupies a large radial area. The transition wheel using the above flip mechanism is large in size and has great limitations. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a container turning mechanism which occupies a small area in the circumferential direction and the radial direction and can turn over the container accurately and reliably.

[0004] In order to solve the above problems, the technical solution adopted by the present invention is: a container turning mechanism, characterized in that it includes: a cam plate, a connecting rod, a main rotating shaft, a turning shaft, and a power source. A cam groove is arranged on the cam plate, and the cam groove is composed of an upper vertical straight groove, a middle turning arc groove, and a lower vertical straight groove that are smoothly connected. The upper vertical straight groove and the lower vertical straight groove are aligned up and down, and the middle turning arc groove is located on one side of the two vertical straight grooves. A mounting hole is arranged on the lower end of the connecting rod, and the turning shaft is fixed on one end of the main rotating shaft and is eccentric to the main rotating shaft. The other end of the main rotating shaft is fixed to a clamp for clamping the container. The cam plate and the power source are fixed to the frame, and the power source is used to drive the connecting rod to move up and down. The main rotating shaft can be rotatably installed in the mounting hole, and the turning shaft is located in the cam groove. When the connecting rod is driven to move up and down, the turning shaft can move along the cam groove driven by the connecting rod, and each time the turning shaft passes through the middle turning arc groove, it can drive the main rotating shaft to turn 180 degrees with the clamp.

[0005] Furthermore, the aforementioned container flipping mechanism, wherein: a slide plate fixed to the frame is also provided, the slide plate is provided with a vertically arranged slide, a guide column is provided at the upper end of the connecting rod, the guide column is inserted into the slide, and the slide can guide the up and down movement of the connecting rod through the guide column.

[0006] Furthermore, in the aforementioned container turning mechanism, the connecting rod is located between the cam plate and the slide slot plate.

[0007] Furthermore, in the aforementioned container turning mechanism, a roller is installed on the turning shaft, and the roller rolls along the cam groove driven by the turning shaft.

[0008] Furthermore, in the aforementioned container turning mechanism, the power source is located above the connecting rod.

[0009] Furthermore, in the aforementioned container turning mechanism, the power source is a cylinder.

[0010] Furthermore, in the aforementioned container turning mechanism, the main shaft is installed in the installation hole through a bearing.

[0011] The advantages of the present invention are as follows: the connecting rod in the container turning mechanism can move vertically with the main rotating shaft and the turning shaft under the action of the power source, so that the turning shaft can drive the main rotating shaft to drive the container to complete a 180° turning under the guidance control of the cam groove. The turning process of the container turning mechanism is controlled by the cam groove, so that the turning position is accurate and reliable, and all components in the mechanism are arranged axially, with a small circumferential and radial occupied area and strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The figure is a schematic structural diagram of one state of the container turning mechanism of the present invention.

[0013] Figure 2 It is a structural schematic diagram of another state of the container turning mechanism of the present invention.

[0014] Figure 3 for Figure 2 Schematic diagram of the right view structure.

[0015] Figure 4 Schematic diagram of the structure of the cam plate.

[0016] Figure 5 It is a schematic diagram of the connecting rod structure.

[0017] Figure 6 Schematic diagram of the connection structure between the main rotation axis and the flip axis. DETAILED DESCRIPTION

[0018] The present invention is further described in detail below in conjunction with specific embodiments and drawings.

[0019] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6As shown, the container turning mechanism comprises: a cam plate 1, a connecting rod 3, a main rotating shaft 12, a turning shaft 13, and a power source 5. The cam plate 1 is provided with a cam groove, which is composed of an upper vertical straight groove 6, a middle turning arc groove 7, and a lower vertical straight groove 8 that are smoothly connected. The upper vertical straight groove 6 and the lower vertical straight groove 8 are aligned up and down, and the middle turning arc groove 7 is located on one side of the two vertical straight grooves. A mounting hole 11 is provided on the lower end of the connecting rod 3. The turning shaft 13 is fixed to one end of the main rotating shaft 12 and is eccentric to the main rotating shaft 12. The other end of the main shaft 12 is fixed to the clamp 15 for clamping the container, the cam plate 1 and the power source 5 are fixed to the frame, the power source 5 is used to drive the connecting rod 3 to move up and down, the main shaft 12 is rotatably installed in the mounting hole 11, and the flip shaft 13 is located in the cam groove. When the connecting rod 3 is driven to move up and down, the flip shaft 13 can move along the cam groove driven by the connecting rod 3. Every time the flip shaft 13 passes through the middle flip arc groove 7, it can drive the main shaft 12 to flip 180 degrees with the clamp 15, so that the container can be flipped 180 degrees.

[0020] In this embodiment, a slide plate 2 fixed to the frame is further provided, a vertically arranged slide 9 is provided on the slide plate 2, a guide column 10 is provided at the upper end of the connecting rod 3, the guide column 10 is inserted into the slide 9, and the slide 9 can guide the up and down movement of the connecting rod 3 through the guide column 10. The connecting rod 3 is located between the cam plate 1 and the slide plate 2.

[0021] In order to reduce the wear of the flip shaft 13 , a roller 14 is installed on the flip shaft 13 , and the roller 14 rolls along the cam groove driven by the flip shaft 13 .

[0022] For a reasonable layout, the power source 5 is located above the connecting rod 3. The power source 5 is a cylinder.

[0023] In order to reduce the wear of the main rotating shaft 12 and make the turning smoother, the main rotating shaft 12 is installed in the installation hole 11 through a bearing.

[0024] The above description is only a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any modification or equivalent change made based on the technical essence of the present invention still falls within the scope of protection required by the present invention.

Claims

1. A container turning mechanism, characterized in that: include: Cam plate, connecting rod, main rotating shaft, flip shaft, power source, the cam plate is provided with a cam groove, the cam groove is composed of an upper vertical straight groove, a middle flip arc groove, and a lower vertical straight groove which are smoothly connected, the upper vertical straight groove and the lower vertical straight groove are aligned up and down, the middle flip arc groove is located on one side of the two vertical straight grooves, a mounting hole is provided on the lower end of the connecting rod, the flip shaft is fixed on one end of the main rotating shaft and is eccentric to the main rotating shaft, the other end of the main rotating shaft is fixed to a clamp for clamping the container, the cam plate and the power source are fixed to the frame, the power source is used to drive the connecting rod to move up and down, the main rotating shaft is rotatably installed in the mounting hole, the flip shaft is located in the cam groove, when the connecting rod is driven to move up and down, the flip shaft can move along the cam groove driven by the connecting rod, and each time the flip shaft passes through the middle flip arc groove, it can drive the main rotating shaft to flip 180 degrees with the clamp.

2. The container turning mechanism according to claim 1, characterized in that: A slide plate fixed to the frame is also provided, on which a vertically arranged slide is provided, and a guide column is provided at the upper end of the connecting rod, which is inserted into the slide groove, and the slide groove can guide the up and down movement of the connecting rod through the guide column.

3. The container turning mechanism according to claim 2, characterized in that: The connecting rod is located between the cam plate and the slide plate.

4. The container turning mechanism according to claim 1, 2 or 3, characterized in that: A roller is installed on the flip shaft, and the roller rolls along the cam groove driven by the flip shaft.

5. The container turning mechanism according to claim 1, 2 or 3, characterized in that: The power source is located above the connecting rod.

6. The container turning mechanism according to claim 1, 2 or 3, characterized in that: The power source is a cylinder.

7. The container turning mechanism according to claim 1, 2 or 3, characterized in that: The main shaft is installed in the installation hole through the bearing.

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