CN107139431B

CN107139431B - Linkage lifting mechanism for bottom die and die frame of bottle blowing machine

Info

Publication number: CN107139431B
Application number: CN201710462986.8A
Authority: CN
Inventors: 潘盛贤; 罗兵香; 陈芳
Original assignee: Jiangsu Newamstar Packagin Machinery Co Ltd
Current assignee: Jiangsu Newamstar Packagin Machinery Co Ltd
Priority date: 2017-06-19
Filing date: 2017-06-19
Publication date: 2020-05-05
Anticipated expiration: 2037-06-19
Also published as: CN107139431A

Abstract

The invention discloses a linked lifting mechanism of a bottom die mould frame of a bottle blowing machine, wherein a mould opening and closing mould frame comprises a first mould frame and a second mould frame which are arranged on a machine frame and rotate around a first shaft, the linked lifting mechanism comprises a second shaft, a first driving mechanism and a second driving mechanism, the second driving mechanism comprises a swing arm, one end of which is fixedly sleeved on the second shaft, a first connecting rod, one end of which is hinged on the other end of the swing arm, a fixed shaft arranged on the machine frame, a lifting sleeve, a cam groove and a fixed block, the lifting sleeve is sleeved on the fixed shaft, is used for bearing the bottom die mould frame and is hinged on the other end of the first connecting rod, the cam groove is formed in the lifting sleeve, the fixed block is arranged on the fixed shaft and is positioned. According to the linkage lifting mechanism, the lifting of the bottom die frame and the opening and closing linkage of the opening and closing die frame are realized through the rotation of the second shaft and the rotation of the second driving mechanism and the first driving mechanism, and the linkage lifting mechanism is simple in structure, reliable in transmission and easy to maintain.

Description

Linkage lifting mechanism for bottom die and die frame of bottle blowing machine

Technical Field

The invention relates to the technical field of bottle blowing, in particular to a linkage lifting mechanism for a bottom die frame of a bottle blowing machine.

Background

After the bottle blowing machine finishes bottle type blowing, when a bottle taking manipulator takes out a bottle from a mold, a bottom mold of the mold needs to be separated from the bottom of the bottle, and at the moment, a bottom mold lifting mechanism descends to be in a lower limiting state; when the blank taking manipulator puts the heated bottle blank into the mold, the bottom die lifting mechanism ascends to be positioned at the upper limit position, so that a closed bottle-shaped cavity is formed between the bottom die of the mold and the bottle-shaped mold. And then the bottle-shaped blow molding is finished after primary blow preforming and main blow molding. The existing bottom die mould base linkage lifting mechanism has a complex structure and is not easy to maintain.

Disclosure of Invention

The invention aims to provide a linkage lifting mechanism of a bottom die frame of a bottle blowing machine, which has the advantages of simple structure, reliable transmission and easy maintenance.

In order to achieve the purpose, the invention adopts the technical scheme that:

a bottle blowing machine bottom die frame linkage lifting mechanism comprises an opening and closing die frame and a bottom die frame, wherein the opening and closing die frame comprises a first die frame arranged on a rack and rotating around a first shaft, a second die frame arranged on the rack and rotating around the first shaft and used for matching with the first die frame in an opening and closing mode, the bottom die frame is arranged on the rack in a lifting mode, the linkage lifting mechanism comprises a second shaft arranged on the rack and rotating around the self axial lead direction, a first driving mechanism arranged between the second shaft and the opening and closing die frame and used for driving the first die frame and the second die frame to be matched with each other when the second shaft rotates, and a second driving mechanism arranged between the second shaft and the bottom die frame and used for driving the bottom die frame to be lifted when the second shaft rotates, second actuating mechanism includes that the cover that one end is fixed is located swing arm, one end on the secondary shaft articulate first connecting rod on the swing arm other end, locate fixed axle, cover in the frame are located fixed epaxial being used for bearing the weight of die block die carrier just articulates the lift cover of the first connecting rod other end, set up in cam groove in the lift cover, first connecting rod is used for drive when the swing arm rotates the lift cover winds the fixed axle rotates, second actuating mechanism is still including locating fixed epaxial being located fixed block in the cam groove, the cam groove is followed the slope distributes about the direction of rotation of lift cover.

Preferably, the first driving mechanism comprises a second connecting rod, one end of the second connecting rod is hinged to the first die carrier and used for driving the first die carrier to rotate around the first shaft, and a third connecting rod, one end of the third connecting rod is hinged to the second die carrier and used for driving the second die carrier to rotate around the first shaft, the other end of the second connecting rod is hinged to the other end of the swing arm, and the other end of the third connecting rod is hinged to the other end of the swing arm.

Preferably, the outer circumference of the lifting sleeve is provided with a cantilever ear, and the other end of the first connecting rod is hinged on the cantilever ear.

Preferably, the first shaft, the second shaft and the fixed shaft are distributed along a vertical direction.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: according to the linkage lifting mechanism of the bottom die frame of the bottle blowing machine, the lifting of the bottom die frame and the opening and closing linkage of the mold opening and closing frame are realized through the rotation of the second shaft and the rotation of the second driving mechanism and the first driving mechanism, and the linkage lifting mechanism is simple in structure, reliable in transmission and easy to maintain.

Drawings

FIG. 1 is a first schematic structural diagram of the apparatus of the present invention;

FIG. 2 is a second schematic structural diagram of the apparatus of the present invention.

Wherein: 1. a first shaft; 2. a frame; 3. a first mold frame; 4. a second mold frame; 5. a bottom die frame; 6. a second shaft; 7. a first drive mechanism; 71. a second link; 72. a third link; 8. a second drive mechanism; 81. swinging arms; 82. a first link; 83. a fixed shaft; 84. a lifting sleeve; 85. a cam slot; 86. a fixed block; 87. an arm suspension ear; 9. and a third axis.

Detailed Description

The technical scheme of the invention is further explained by combining the attached drawings.

Referring to fig. 1-2, the bottle blowing machine comprises an opening and closing die set and a bottom die set 5. The mold opening and closing mold frame comprises a first mold frame 3 which rotates around a first shaft 1 and is arranged on the frame 2, and a second mold frame 4 which rotates around the first shaft 1 and is arranged on the frame 2 and is used for being matched with the first mold frame 3 to open and close the mold. The bottom die frame 5 is arranged on the frame 2 in a lifting way. The first shaft 1 is distributed along the vertical direction, and the bottom die carrier 5 is arranged below the opening and closing die carrier in a lifting mode.

The linkage lifting mechanism comprises a second shaft 6 which rotates around the direction of the axis line of the linkage lifting mechanism and is arranged on the frame 2, a first driving mechanism 7 which is arranged between the second shaft 6 and the mold opening and closing frame and is used for driving the first mold frame 3 and the second mold frame 4 to be matched with each other when the second shaft 6 rotates and rotating to open or close the mold, a second driving mechanism 8 which is arranged between the second shaft 6 and the bottom mold frame 5 and is used for driving the bottom mold frame 5 to lift when the second shaft 6 rotates, and a third driving mechanism which is arranged on the frame 2 and is used for driving the second shaft 6 to rotate. The axis of the second shaft 6 is distributed along the vertical direction.

The second driving mechanism 8 includes a swing arm 81 having one end fixed and sleeved on the second shaft 6, a first connecting rod 82 having one end hinged on the other end of the swing arm 81, a fixed shaft 83 disposed on the frame 2, a lifting sleeve 84 vertically movably sleeved on the fixed shaft 83, and a cam groove 85 disposed in the lifting sleeve 84, wherein the lifting sleeve 84 is hinged on the other end of the first connecting rod 82, and the top end of the lifting sleeve 84 is used for bearing the bottom die carrier 5. The fixed shafts 83 are distributed in the vertical direction. The first link 82 is used to drive the lifting sleeve 84 to rotate around the fixed shaft 83 when the swing arm 81 rotates. The second driving mechanism 8 further includes a fixed block 86 disposed on the outer peripheral portion of the fixed shaft 83 and located in the cam groove 85, and the cam groove 85 is disposed to be inclined upward and downward along the rotation direction of the lifting sleeve 84.

When the second shaft 6 rotates clockwise (see the rotation direction of the second shaft 6 with reference to the viewing angle of fig. 2), the first driving mechanism 7 drives the first mold frame 3 and the second mold frame 4 to open the mold in a mutually matched manner, and simultaneously the second driving mechanism 8 drives the bottom mold frame 5 to descend, at this time, the first link 82 drives the lifting sleeve 84 to rotate clockwise, and the cam grooves 85 are gradually distributed in an upward inclined manner along the direction away from the fixed block 86; when the second shaft 6 rotates counterclockwise, the first driving mechanism 7 drives the first mold frame 3 and the second mold frame 4 to match with each other, and simultaneously the second driving mechanism 8 drives the bottom mold frame 5 to ascend, at this time, the first connecting rod 82 drives the lifting sleeve 84 to rotate counterclockwise, and the cam grooves 85 are gradually declined and distributed along the direction away from the fixed block 86. The first driving mechanism 7 and the second driving mechanism 8 are synchronously controlled through the second shaft 6, so that the mechanical structure is improved, the machining quantity of parts is reduced, and the production cost is reduced; the structure is simple, and the maintenance is easy; the transmission is more reliable, and the coordination of the transmission is improved.

The first driving mechanism 7 comprises a second connecting rod 71 and a third connecting rod 72, wherein one end of the second connecting rod 71 is hinged to the first die carrier 3 and used for driving the first die carrier 3 to rotate around the first shaft 1, one end of the third connecting rod 72 is hinged to the second die carrier 4 and used for driving the second die carrier 4 to rotate around the first shaft 1, the other end of the second connecting rod 71 is hinged to the other end of the swing arm 81, and the other end of the third connecting rod 72 is hinged to the other end of the swing arm 81. In this embodiment, the other end of the swing arm 81 is provided with a third shaft 9 distributed along the vertical direction, and the other ends of the first link 82, the second link 71 and the third link 72 are all hinged on the third shaft 9. And the first link 82, the second link 71, the third link 72 and the swing arm 81 are all distributed along the horizontal direction.

In this embodiment, the outer peripheral portion of the lifting sleeve 84 is provided with a suspension arm ear 87, and the other end of the first link 82 is hinged to the suspension arm ear 87. The first link 82 drives the lifting sleeve 84 to rotate through the suspension arm ear 87.

The following specifically explains the working process of this embodiment:

when the mold is opened, the third driving mechanism drives the second shaft 6 to rotate clockwise around the axial lead direction of the second driving mechanism, the swing arm 81 is driven to rotate clockwise along with the second shaft 6, one end, provided with the third shaft 9, of the swing arm 81 is enabled to rotate away from the first shaft 1, the first mold frame 3 and the second mold frame 4 are driven to rotate for mold opening through the second connecting rod 71 and the third connecting rod 72, and at the moment, the first connecting rod 82 drives the lifting sleeve 84 to rotate clockwise under the driving of the swing arm 81, and the bottom mold frame 5 is driven to descend synchronously under the matching of the cam groove 85 and the fixed block 86;

during die assembly, the third driving mechanism drives the second shaft 6 to rotate anticlockwise around the axial lead direction of the second driving mechanism, the swing arm 81 is driven to rotate anticlockwise along with the second shaft 6, one end, provided with the third shaft 9, of the swing arm 81 is enabled to rotate to be close to the first shaft 1, the first die carrier 3 and the second die carrier 4 are driven to rotate through the second connecting rod 71 and the third connecting rod 72 for die assembly, and at the moment, the first connecting rod 82 drives the lifting sleeve 84 to rotate anticlockwise under the driving of the swing arm 81, so that the bottom die carrier 5 is driven to ascend synchronously under the matching of the cam groove 85 and the fixing.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a bottle blowing machine die block die carrier linkage elevating system, bottle blowing machine are including opening and shutting die carrier and die block die carrier, the die carrier that opens and shuts includes around the first die carrier of the first pivoted locating in the frame, winds the first pivoted is located be used for in the frame the cooperation of first die carrier open and shut the second die carrier of die, locating that the die block die carrier goes up and down in the frame, its characterized in that: the linkage lifting mechanism comprises a second shaft arranged on the frame and rotating around the self axial lead direction, a first driving mechanism arranged on the second shaft and used for opening and closing between the die carrier and driving the first die carrier and the second die carrier to mutually match to rotate the die opening or the die closing, a second driving mechanism arranged on the second shaft and used for driving the die carrier to lift when the second shaft rotates, wherein the second driving mechanism comprises a first connecting rod with one end fixed, a second connecting rod with one end fixed, a swing arm with one end fixed and arranged on the second shaft, and a first connecting rod with one end hinged on the other end of the swing arm, a fixed shaft arranged on the frame, and a first connecting rod with one end fixed and arranged on the fixed shaft, the die carrier is used for bearing the die carrier and hinged on the lifting sleeve with the other end of the first connecting rod, a cam groove arranged in the lifting sleeve, the swing arm drives when rotating the lifting sleeve winds the fixed shaft rotates, the second driving mechanism further comprises a fixing block arranged on the fixed shaft and located in the cam groove, and the cam groove is distributed in an inclined mode from top to bottom along the rotating direction of the lifting sleeve.

2. The bottle blowing machine bottom die frame linkage lifting mechanism of claim 1, which is characterized in that: the first driving mechanism comprises a second connecting rod, one end of the second connecting rod is hinged to the second die carrier, the second die carrier is wound around the first shaft, the first die carrier is used for driving the first die carrier, the one end of the second connecting rod is hinged to the second die carrier, the second die carrier is wound around the first shaft, the third connecting rod is hinged to the other end of the swing arm, and the other end of the third connecting rod is hinged to the other end of the swing arm.

3. The bottle blowing machine bottom die frame linkage lifting mechanism of claim 1, which is characterized in that: the outer side circumference of the lifting sleeve is provided with a cantilever ear, and the other end of the first connecting rod is hinged on the cantilever ear.

4. The bottle blowing machine bottom die frame linkage lifting mechanism of claim 1, which is characterized in that: the first shaft, the second shaft and the fixed shaft are distributed along the vertical direction.