CN206277648U - The mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine - Google Patents
The mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine Download PDFInfo
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- CN206277648U CN206277648U CN201621282126.3U CN201621282126U CN206277648U CN 206277648 U CN206277648 U CN 206277648U CN 201621282126 U CN201621282126 U CN 201621282126U CN 206277648 U CN206277648 U CN 206277648U
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- swing arm
- expansion sleeve
- balance staff
- piston
- fuel feed
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- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
The utility model discloses swing arm in a kind of rotary bottle blow-moulding machine and the mounting structure of balance staff, including：Expansion sleeve is provided with the mounting hole of swing arm installation end, expansion sleeve is sleeved on balance staff, the structure of expansion sleeve includes：The expansion sleeve body of sleeve-shaped, hydraulic grease is full of in the intrinsic swelling chamber of expansion sleeve, the bottom of expansion sleeve body protrudes from mounting hole and forms baffle ring, baffle ring block is in the bottom of swing arm, fuel feed hole on baffle ring is connected with swelling chamber, piston and piston retaining mechanism are disposed with from inside to outside in fuel feed hole, the head of piston is provided with sealing ring, piston retaining mechanism can advance piston to the inner end direction of fuel feed hole, up to the sealing ring of piston crown and the inwall of fuel feed hole seal against each other the pressure increase after clamping in swelling chamber, so that the inner and outer wall of expansion sleeve body is fixed with balance staff and swing arm swelling respectively.The utility model has the advantage of：The connection reliability of swing arm and balance staff is greatly improved, so as to effectively improve the bearing capacity of swing arm.
Description
Technical field
The utility model is related to rotary bottle blow-moulding machine technical field, and in particular to swing arm and balance staff in rotary bottle blow-moulding machine
Mounting structure.
Background technology
The folding of every pair bottle blowing mould is to drive swing arm come back rotation by balance staff in rotary bottle blow-moulding machine, so as to drive
What linkage was acted and realized.Swing arm in rotary bottle blow-moulding machine is fixedly mounted on balance staff, traditional swing arm and balance staff
Mounting structure includes：The installation end of swing arm is sleeved on the bottom of balance staff by mounting hole, and expansion sleeve is provided with mounting hole, swollen
Tightly it is sleeved on balance staff, can be fixed on balance staff for swing arm swelling by the screw for tightening expansion sleeve bottom.
Above-mentioned swing arm is with the defect of the mounting structure of balance staff：First, it is used to tighten the screw number of expansion sleeve bottom
It is many, install and adjustment is wasted time and energy；2nd, the setting height(from bottom) of rotary bottle blow-moulding machine is limited, the installation gap very little below balance staff, because
This twists the operating space very little of screw in expansion sleeve bottom, installation, debugging and periodic maintenance band in the future that this just gives swing arm
Carry out greatly inconvenience；3rd, the contact area between expansion sleeve and balance staff and swing arm is limited, and this causes the company between swing arm and balance staff
Connect reliability poor.
Utility model content
The utility model technical issues that need to address are：There is provided one kind can conveniently install and debug and can effectively improve
The mounting structure of swing arm and balance staff in the rotary bottle blow-moulding machine of connection reliability.
To solve the above problems, the technical solution adopted in the utility model is：Swing arm and balance staff in rotary bottle blow-moulding machine
Mounting structure, including：The installation end of swing arm is sleeved on balance staff by mounting hole, is provided with the mounting hole of swing arm installation end swollen
Tight set, expansion sleeve is sleeved on balance staff, and the structure of expansion sleeve includes：The expansion sleeve body of sleeve-shaped, the hollow shape of expansion sleeve body
The swelling chamber for circularizing, is full of hydraulic grease in swelling chamber, the bottom of expansion sleeve body is downwardly projecting in mounting hole and to form gear
Ring, baffle ring block offers fuel feed hole in the bottom of swing arm on baffle ring, fuel feed hole is connected with swelling chamber, by inner in fuel feed hole
To piston and piston retaining mechanism is disposed with outward, the head of piston is provided with sealing ring, and piston retaining mechanism can be by piston
Advanced to the inner end direction of fuel feed hole, until the sealing ring of piston crown seals against each other swelling chamber after clamping with the inwall of fuel feed hole
Interior pressure increase, so that the inner and outer wall of expansion sleeve body is fixed with balance staff and swing arm swelling respectively.
Further, in foregoing rotary bottle blow-moulding machine swing arm and balance staff mounting structure, wherein, piston retaining mechanism
Structure includes：Cinch bolt, is threadedly coupled between cinch bolt and the inwall of fuel feed hole, and inwardly tightening cinch bolt can be by piston
Advanced to the inner end direction of fuel feed hole, until the sealing ring of piston crown seals against each other swelling chamber after clamping with the inwall of fuel feed hole
Interior pressure increase, so that the inner and outer wall of expansion sleeve body is fixed with balance staff and swing arm swelling respectively.
Further, in foregoing rotary bottle blow-moulding machine swing arm and balance staff mounting structure, wherein, the top of expansion sleeve body
End flushes with the top of swing arm installation end mounting hole, and swelling chamber axially extends to expansion sleeve body from the upper end of expansion sleeve body
Lower end.
Further, in foregoing rotary bottle blow-moulding machine swing arm and balance staff mounting structure, wherein, balance staff passes through needle roller axle
Hold and be movably arranged in axle sleeve.
Further, in foregoing rotary bottle blow-moulding machine swing arm and balance staff mounting structure, wherein, the oil inlet of fuel feed hole
It is opened on the side wall of baffle ring.
The utility model has the advantages that：Piston is advanced to the inner end direction of fuel feed hole by piston retaining mechanism, until
The sealing ring of piston crown and the inwall of fuel feed hole seal against each other the pressure increase in swelling chamber after clamping, so that expansion sleeve sheet
The inner and outer wall of body is fixed with balance staff and swing arm swelling respectively, and such swelling attachment structure causes what swing arm was connected with balance staff
Reliability is greatly improved, and so as to effectively increase the bearing capacity of swing arm, and causes installation, dismounting and the debugging of swing arm very
It is convenient.
Brief description of the drawings
Fig. 1 is the structural representation of the mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine described in the utility model.
Fig. 2 is the structural representation of A-A section view directions in Fig. 1.
Specific embodiment
The utility model is described in further detail with preferred embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, in rotary bottle blow-moulding machine swing arm and balance staff mounting structure, including：The installation end of swing arm 1 leads to
Cross mounting hole 11 to be sleeved on balance staff 2, balance staff 2 is movably arranged in axle sleeve 7 by needle bearing 6.The installation of the installation end of swing arm 1
Expansion sleeve 3 is provided with hole 11, expansion sleeve 3 is sleeved on balance staff 2.In the present embodiment, the structure of expansion sleeve 3 includes：Sleeve-shaped
Expansion sleeve body 31, the hollow swelling chamber 32 for forming annular of expansion sleeve body 31 is full of hydraulic grease, hydraulic pressure in swelling chamber 32
Grease is semi-solid, namely generally can be lubricating grease, using the benefit of the hydraulic grease of semi-solid similar to starchiness
It is：Can effective anti-leak.The bottom of expansion sleeve body 31 protrudes from the mounting hole 11 of the installation end of swing arm 1 and expands outwardly shape
Into baffle ring 33, the block of baffle ring 33 is in the bottom of swing arm 1.Fuel feed hole 34, fuel feed hole 34 and the phase of swelling chamber 32 are offered on baffle ring 33
Connection, the oil inlet 341 of fuel feed hole 34 is opened on the side wall of baffle ring 33, and the installation and removal of such expansion sleeve 3 are all without receiving
The influence of limited setting height(from bottom) in rotary bottle blow-moulding machine, greatly facilitates the installation and removal of the ground of expansion sleeve 3.In fuel feed hole 34
Piston 4 and piston retaining mechanism are disposed with from inside to outside, and the head of piston 4 is provided with sealing ring 41, piston retaining mechanism
Can be by piston 4 to the inner end direction propulsion of fuel feed hole 34, until the sealing ring 41 of the head of piston 4 is mutual with the inwall of fuel feed hole 34
Pressure increase after sealing clamping in swelling chamber 32 so that the inner and outer wall of expansion sleeve body 31 respectively with balance staff 2 and
The swelling of swing arm 1 is fixed.In the present embodiment, the structure of piston retaining mechanism includes：Cinch bolt 5, cinch bolt 5 and fuel feed hole 34
Inwall between be threadedly coupled, inwardly tightening cinch bolt 5 can advance piston 4 to the inner end direction of fuel feed hole 34, until living
The inwall of the sealing ring 41 and fuel feed hole 34 of filling in 4 heads seals against each other the pressure increase after clamping in swelling chamber 32, so that swollen
The inner and outer wall of tight set body 31 is fixed with balance staff 32 and the swelling of swing arm 31 respectively.Above-mentioned piston retaining mechanism is simply real
With, during dismounting swing arm, cinch bolt 5 need to only be back-outed a segment distance to the direction of oil inlet 341 of fuel feed hole 34, piston 4 will
Moved to the direction of oil inlet 341 of fuel feed hole 34 in the presence of pressure in swelling chamber 32 so that pressure release in swelling chamber 32, so
Expansion sleeve 3 and swing arm 1 can just be disassembled from balance staff 2 successively, very convenient.In order to further improve swing arm 1 and balance staff 2 it
Between the reliability fixed of swelling, the top of expansion sleeve body 31 flushes with the top of the installation end mounting hole 11 of swing arm 1, and this can be effective
Expansion sleeve 3 and the contact area between swing arm 1 and balance staff are increased, so as to increase swollen between expansion sleeve 3 and swing arm 1 and balance staff 2
Clamp force；Swelling chamber 32 axially extends to the lower end of expansion sleeve body 31 from the upper end of expansion sleeve body 31, by increasing swelling chamber
The length of 32 axial directions, can further be effectively increased the tension force between expansion sleeve 3 and swing arm 1 and balance staff 2.
The utility model has the advantage of：Just can be by the swelling of expansion sleeve 3 in pendulum to cinch bolt 5 is screwed into fuel feed hole 34
Between arm 1 and balance staff 2, so as to swing arm 1 is fixedly mounted on balance staff 2；Back-out swelling spiral shell to the direction of 34 oil inlet of fuel feed hole 341
Bolt 5, you can make pressure release in swelling chamber 32, so as to expansion sleeve 3 and swing arm 1 are disassembled from balance staff 2 successively；Swing arm 1 with
The reliability of the connection of balance staff 2 is greatly improved, which greatly enhances the bearing capacity of swing arm 1；In addition, the installation of swing arm 1, dismounting and tune
Examination is quite convenient to.
Claims (5)
1. in rotary bottle blow-moulding machine swing arm and balance staff mounting structure, including：The installation end of swing arm is sleeved on pendulum by mounting hole
On axle, expansion sleeve is provided with the mounting hole of swing arm installation end, expansion sleeve is sleeved on balance staff, it is characterised in that：Expansion sleeve
Structure includes：The expansion sleeve body of sleeve-shaped, the hollow swelling chamber for forming annular of expansion sleeve body, is full of hydraulic oil in swelling chamber
Fat, the bottom of expansion sleeve body is downwardly projecting in mounting hole and to form baffle ring, and baffle ring block is opened up in the bottom of swing arm on baffle ring
There is fuel feed hole, fuel feed hole is connected with swelling chamber, piston and piston retaining mechanism are disposed with from inside to outside in fuel feed hole, it is living
The head of plug is provided with sealing ring, and piston retaining mechanism can advance piston to the inner end direction of fuel feed hole, until piston crown
The inwall of sealing ring and fuel feed hole seal against each other pressure increase after clamping in swelling chamber so that the inwall of expansion sleeve body
Fixed with balance staff and swing arm swelling respectively with outer wall.
2. in rotary bottle blow-moulding machine according to claim 1 swing arm and balance staff mounting structure, it is characterised in that：Lock piston
The structure of tight mechanism includes：Cinch bolt, is threadedly coupled between cinch bolt and the inwall of fuel feed hole, inwardly tightens cinch bolt
Piston can be advanced to the inner end direction of fuel feed hole, until the sealing ring of piston crown seals against each other clamping with the inwall of fuel feed hole
Pressure increase in swelling chamber afterwards, so that the inner and outer wall of expansion sleeve body is fixed with balance staff and swing arm swelling respectively.
3. in rotary bottle blow-moulding machine according to claim 1 and 2 swing arm and balance staff mounting structure, it is characterised in that：It is swollen
The top of tight set body flushes with the top of swing arm installation end mounting hole, and swelling chamber axially extends to from the upper end of expansion sleeve body
The lower end of expansion sleeve body.
4. in rotary bottle blow-moulding machine according to claim 1 and 2 swing arm and balance staff mounting structure, it is characterised in that：Pendulum
Axle is movably arranged in axle sleeve by needle bearing.
5. in rotary bottle blow-moulding machine according to claim 1 and 2 swing arm and balance staff mounting structure, it is characterised in that：Enter
The oil inlet of oilhole is opened on the side wall of baffle ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282126.3U CN206277648U (en) | 2016-11-28 | 2016-11-28 | The mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621282126.3U CN206277648U (en) | 2016-11-28 | 2016-11-28 | The mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206277648U true CN206277648U (en) | 2017-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621282126.3U Active CN206277648U (en) | 2016-11-28 | 2016-11-28 | The mounting structure of swing arm and balance staff in rotary bottle blow-moulding machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393652A (en) * | 2016-11-28 | 2017-02-15 | 江苏新美星液体包装工程技术研究中心有限公司 | Mounting structure of swing arm and swing shaft of rotary bottle blowing machine |
-
2016
- 2016-11-28 CN CN201621282126.3U patent/CN206277648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106393652A (en) * | 2016-11-28 | 2017-02-15 | 江苏新美星液体包装工程技术研究中心有限公司 | Mounting structure of swing arm and swing shaft of rotary bottle blowing machine |
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