CN209633825U - Turn-up and turn-down device and tyre building machine with it - Google Patents
Turn-up and turn-down device and tyre building machine with it Download PDFInfo
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- CN209633825U CN209633825U CN201920403335.6U CN201920403335U CN209633825U CN 209633825 U CN209633825 U CN 209633825U CN 201920403335 U CN201920403335 U CN 201920403335U CN 209633825 U CN209633825 U CN 209633825U
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Abstract
The utility model proposes a kind of turn-up and turn-down device and with its tyre building machine, belong to tyre production equipment technical field, the turn-up and turn-down device can be supported cord with synthesis type laminating drum in fitting, solve the problems, such as to be pleated or generate bubble when cord caused by dangling in the big tire building process of aspect ratio because of cord is bonded.The turn-up and turn-down device includes main shaft and the capsule seat unit for being sheathed on main shaft periphery, and capsule seat unit includes capsule cylinder and reverse-wrapped capsule, and capsule cylinder is equipped with the annular air outlet being tightly connected with reverse-wrapped capsule；Capsule seat unit further includes capsule pre-expansion component, and capsule is pre-expanded the first piston that component includes multiple jacking blocks and is set in capsule cylinder；Multiple jacking blocks are evenly distributed in annular air outlet, and the radial outer end of jacking block is supported in the inner surface of reverse-wrapped capsule, and radial inner end extends in capsule cylinder；First piston has the force side that radially outward active force is bestowed to jacking block, and force side is in contact with the radial inner end of jacking block.
Description
Technical field
The utility model belongs to tyre production equipment technical field more particularly to a kind of turn-up and turn-down device and the wheel with it
Tyre forming machine.
Background technique
In the secondary method forming process of tire, by needing to be bonded the components such as liner layer, cord, tyre bead, sidewall
Processing, fitting process is usually to carry out anti-package to the cord being located on molding laminating drum using turn-up and turn-down device, to be formed
Matrix body tube.Thus, turn-up and turn-down device is the key modules of molding machine, is affected to tire building quality.
In existing secondary method molding machine, molding laminating drum width is usually narrower than cord width, when being bonded, to keep away
Exempt from cord to overhang, the part of the wide laminating drum of molding out of cord is generally supported using side roller is pinched.It is limited however, pinching side roller by structure
System, roll body are not easy too long, and roll body is too long to make that support accuracy reduces, cord is not easy to be compacted.For example, raw using existing molding machine
When producing the big tire of aspect ratio, cord it is wider than molding laminating drum go out very much, using pinching, side roller effect is poor, and cord is easily pleated generation
Bubble.When especially producing aviation tire, cord wide out 150-300mm more unilateral than molding laminating drum, and curtain cloth layer is more, adopts
Technique requirement has been unable to satisfy with side roller is pinched.
Thus, by being improved to turn-up and turn-down device, can fitting when with synthesis type laminating drum to cord into
Row support, thus meet the production needs of the big tire of aspect ratio especially aviation tire, the life of this tire big for aspect ratio
It produces and its promotion of Forming Quality is of great significance.
Utility model content
It, can be in fitting with synthesis the utility model proposes a kind of turn-up and turn-down device and with its tyre building machine
Type laminating drum is supported cord, solves cord caused by dangling in the big tire building process of aspect ratio because of cord and is bonded
When be pleated or lead to the problem of bubble, can satisfy the production needs of the big tire of aspect ratio, advantageously ensure that tire building matter
Amount, it is particularly evident to aviation tire increased quality.
In order to achieve the above object, the technical solution adopted in the utility model are as follows:
The utility model provides a kind of turn-up and turn-down device, including main shaft and the capsule seat list for being sheathed on the main shaft periphery
Member, the capsule seat unit include the capsule cylinder and anti-package glue for being radially successively sheathed on the main shaft periphery from inside to outside
Capsule, the capsule cylinder are equipped with the annular air outlet being tightly connected with the annular inflatable mouth of the reverse-wrapped capsule；The capsule seat
Unit further includes capsule pre-expansion component, and the capsule pre-expansion component includes the multiple edges being set in the annular air outlet
The jacking block moved radially, and the first piston being axially moveable being set in the capsule cylinder；Multiple jacking block edges
It is circumferentially distributed in the annular air outlet, the radial outer end of the jacking block is extended in the reverse-wrapped capsule and is supported in described
The inner surface of reverse-wrapped capsule, radial inner end extend in the capsule cylinder；The first piston has force side and to described
Jacking block bestows the force side of radially outward active force, and the force side is in contact with the radial inner end of the jacking block.
Preferably, the jacking block is plugged in the annular air outlet, the axial sides outer wall of the jacking block respectively with
The axial sides inner wall of the annular air outlet is affixed merging and is slidably matched；Jacking block is equipped between the jacking block and annular air outlet
Guide frame, the guide frame includes the guide rail radially extended, and is slidably connected in the guide rail
Locating part.
Preferably, the guide rail is along the long through-hole axially through the jacking block, the long through-hole radially prolongs
It stretches；The locating part is to be arranged in the limited post in the long through-hole along axial direction, and the axial ends of the limited post is separately connected
In the axial sides wall of the annular air outlet.
Preferably, the guide rail includes the guiding for being opened in the annular air outlet axial sides inner wall respectively
Slot, the guide groove radially extend；The locating part includes the limited block for protruding from the jacking block axial sides outer wall respectively,
The limited block radially extends, and the limited block is plugged in the guide groove and matches with the guide groove.
Preferably, the radial inner end of the jacking block has the inclined stress surface in force side towards the first piston,
The force side of the first piston has towards the inclined force surface of the stress surface, and the force surface is in contact simultaneously with stress surface
It is slidably matched.
Preferably, the force surface is tapered plane or convex globoidal, the stress surface is tapered plane or convex globoidal.
Preferably, the force surface be it is multiple, the force surface is arranged in a one-to-one correspondence with jacking block, the first piston and
Anti-rotation locating part is connected between the inner wall of capsule cylinder.
Preferably, the anti-rotation locating part is axially disposed anti-rotation limited post, the axial direction of the anti-rotation limited post
The first piston is inserted into from the force side of the first piston in one end, and the axial other end is fixedly connected on the capsule cylinder
Inner wall.
Preferably, the first piston is dynamic for gas drive, the first piston has to be oppositely arranged with the force side
Force side forms the first gas chamber between the force side and capsule cylinder；Second is formed between the force side and capsule cylinder
Gas chamber, second gas chamber are connected with annular air outlet.
Preferably, the capsule pre-expansion component further includes piston reset part and jacking block return unit；The piston reset
Part is axially connecting between the force side of the first piston and the inner wall of the capsule cylinder, and can be axially retractable；Institute
It is annular in shape to state jacking block return unit, the jacking block return unit is sheathed in the reverse-wrapped capsule, and around the diameter of all jacking blocks
Outside end face, the jacking block return unit have elasticity and can radially contracted or expansions.
Preferably, the piston reset part is compressed spring；The jacking block return unit is spring ring.
Preferably, the turn-up and turn-down device further includes for adjusting the turn-up and turn-down device and forming the spacing of laminating drum
From adjustment seat, capsule seat driving unit is installed in the adjustment seat, the capsule seat driving unit include connection sleeve and
Capsule seat actuator；The connection sleeve is sheathed on the main shaft periphery, and is coupled with the main shaft by feather key, the connection
Axial one end of sleeve is fixedly connected on the capsule cylinder, and the axial other end is fixedly connected with the capsule seat actuator；It is described
Capsule seat actuator is axially scalable along main shaft, and is rotationally connected with the adjustment seat.
Preferably, the capsule seat actuator is the two-pass driving cylinder for being set in the main shaft；The two-pass
Driving cylinder includes the cylinder body for being sheathed on the main shaft, and the cylinder body is front end, axis close to axial one end of the connection sleeve
It is rear end to the other end, the cylinder body is interior to be successively arranged mutually independent first chamber and second chamber from front end to rear end；Institute
It states and is respectively equipped with the second piston for being sheathed on the main shaft periphery and third piston in first chamber and second chamber, described second
The extension end of piston and third piston is arranged towards cylinder body front end；The extension end of the second piston it is axially extending in
The cylinder body front end, and being fixedly connected with the connection sleeve, the extension end of the third piston is along axial direction from second chamber
Room is protruded into the first chamber, and is in contact with the second piston.
Preferably, two-pass driving cylinder by be sheathed on the bearing of the cylinder body periphery be rotationally connected with it is described
Adjustment seat.
The utility model additionally provides a kind of tyre building machine, including molding laminating drum, the axial direction of the molding laminating drum
Two sides are connected separately with the first turn-up and turn-down device and the second turn-up and turn-down device, first turn-up and turn-down device and the second turn-up and turn-down
It is set to turn-up and turn-down device described in any of the above-described technical solution.
Preferably, the tyre building machine further includes laminating drum host, the laminating drum host is being located at described first just
Side of the anti-package device far from the molding laminating drum, and connect with the spindle drive of first turn-up and turn-down device；Described
Shaft one end of the main shaft of one turn-up and turn-down device and the molding laminating drum is sequentially connected, and the shaft of the molding laminating drum is another
End and the main shaft of second turn-up and turn-down device are sequentially connected by gear clutch；The driving gear of the gear clutch is pacified
In shaft loaded on the molding laminating drum, the driven gear of the gear clutch is installed on second turn-up and turn-down device
On main shaft.
Compared with prior art, advantages and beneficial effects of the utility model lie in that
1, it is provided with capsule in the capsule seat unit of turn-up and turn-down device provided by the utility model and is pre-expanded component, cooperating
Form laminating drum carry out cord fitting when, capsule be pre-expanded component in jacking block under the promotion of piston force side radially
It is mobile, it is pre-expanded to reverse-wrapped capsule radially isometrical with molding laminating drum, to support cord is wide to go out to form the part of laminating drum,
Cord pendency is effectively prevented, cord is prevented to be pleated or generate bubble, ensure that cord is bonded quality, it is big to can satisfy aspect ratio
Tire especially aviation tire production need, advantageously ensure that tire building quality, it is particularly evident to aviation tire increased quality；
2, in turn-up and turn-down device provided by the utility model, the jacking block for propping up reverse-wrapped capsule is located at the ring of reverse-wrapped capsule
In shaped inflatable mouth, without carrying out opening processing to reverse-wrapped capsule, it ensure that the leakproofness of reverse-wrapped capsule is unaffected, do not influencing
Under the premise of the normal inflation of reverse-wrapped capsule, the pre-expansion of reverse-wrapped capsule is realized；
3, in turn-up and turn-down device provided by the utility model, connection sleeve is additionally arranged in capsule seat driving unit to connect
Capsule seat unit and capsule seat actuator, the connection sleeve added are coupled with main shaft by feather key, make connection sleeve can be along axial direction
It moves but capsule seat unit can not be realized under the premise of not influencing the axial movement of capsule seat unit relative to main axis
With the synchronous rotation of main shaft, it can effectively solve the problem that cause cord to be pleated because generating friction between capsule seat unit and cord asks
Topic.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the turn-up and turn-down device that the first embodiment of the utility model provides；
Fig. 2 is the structural schematic diagram of capsule seat unit in the first embodiment of the utility model；
Fig. 3 is the cross-sectional view of the line A-A along Fig. 2；
Fig. 4 is the structural schematic diagram of piston force side in the first embodiment of the utility model；
The state signal of capsule seat unit when Fig. 5 is reverse-wrapped capsule pre-expansion in the first embodiment of the utility model
Figure；
Fig. 6 is the attachment structure schematic diagram that sleeve and main shaft are connected in the first embodiment of the utility model；
Fig. 7 is the cross-sectional view of capsule seat actuator in the first embodiment of the utility model；
Fig. 8 is the perspective view of capsule seat actuator in the first embodiment of the utility model；
Fig. 9 be the turn-up and turn-down that provides of the first embodiment of the utility model setting in fitting position when use state
Figure；
Figure 10 be the turn-up and turn-down that provides of the first embodiment of the utility model setting in anti-package position when use state
Figure；
Figure 11 is that (anti-package gas is not shown in the structural schematic diagram of capsule seat unit in second of embodiment of the utility model
Capsule)；
Figure 12 is the cross-sectional view of the line B-B along Fig. 5；
Figure 13 is the structure of the tyre building machine of the turn-up and turn-down device provided with the utility model the first embodiment
Schematic diagram；
Figure 14 is the biography that the main shaft of main shaft and the second turn-up and turn-down device of laminating drum is formed in tyre building machine shown in Figure 13
Dynamic attachment structure schematic diagram；
In above each figure: 1, main shaft；2, capsule seat unit；21, capsule cylinder；211, inner cylinder tube；212, the first cylinder body plate；
213, the second cylinder body plate；22, reverse-wrapped capsule；23, capsule is pre-expanded component；231, jacking block；232, first piston；2321, it exerts a force
Face；233, anti-rotation limited post；234, piston reset part；235, jacking block return unit；24, capsule platen；25, the first gas chamber；26,
Two gas chambers；27, the first gas circuit；28, the second gas circuit；29, jacking block guide frame；291, long through-hole；292, limited post；3, it adjusts
Seat；4, capsule seat driving unit；41, sleeve is connected；42, two-pass drives cylinder；421, cylinder body；4211, preceding gland；4212,
First cylinder barrel；4213, middle gland；4214, the second cylinder barrel；4215, rear pressing cover；422, first chamber；4221, gas chamber before first；
4222, the first rear gas chamber；423, second chamber；4231, gas chamber before second；4232, the second rear gas chamber；424, second piston；
425, third piston；426, third gas circuit；427, the 4th gas circuit；428, the 5th gas circuit；43, bearing；44, feather key；45, keyway；
5, steam supply valve is rotated；6, push-plate component；7, bead ring component；8, the positive pack assembly of finger-type；9, laminating drum is formed；91, shaft；10,
First turn-up and turn-down device；11, the second turn-up and turn-down device；12, laminating drum host；13, tailstock；14, gear clutch；141, actively
Gear；142, driven gear.
Specific embodiment
In the following, the utility model is specifically described by illustrative embodiment.It should be appreciated, however, that not having
In the case where being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
In the description of the present invention, it should be noted that axial is the horizontal direction in Fig. 1, radial is in Fig. 1
Vertical direction；The orientation or positional relationship of the instructions such as term "inner", "outside" be based on attached positional relationship shown in FIG. 1, be only for
Convenient for description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " first ",
" second ", " third ", " the 4th ", " the 5th " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
When cord is bonded caused by existing when in order to solve the big tire building of aspect ratio in the prior art because of cord pendency
Pleating leads to the problem of bubble, and the utility model improves turn-up and turn-down device, utilizes the capsule seat of turn-up and turn-down device
Unit is supported cord with synthesis type laminating drum when cord is bonded, and the technical solution of the utility model is as follows:
The utility model proposes a kind of turn-up and turn-down devices, including main shaft and the capsule seat unit for being sheathed on main shaft periphery, glue
Capsule seat unit includes the capsule cylinder and reverse-wrapped capsule for being radially successively sheathed on main shaft periphery from inside to outside, the capsule cylinder
Equipped with the annular air outlet with the sealed connection of the annular inflatable mouth of the reverse-wrapped capsule；Capsule seat unit further includes capsule pre-expansion
Component, it includes the multiple jacking blocks moved radially being set in annular air outlet that capsule, which is pre-expanded component, and is set to glue
The first piston being axially moveable in capsule cylinder；Multiple jacking blocks are circumferentially distributed in annular air outlet, and the diameter of jacking block is outside
End extends in reverse-wrapped capsule and is supported in the inner surface of reverse-wrapped capsule, and radial inner end extends in capsule cylinder；First piston
The force side of radially outward active force is bestowed with force side and to jacking block, force side is in contact with the radial inner end of jacking block.
Turn-up and turn-down device provided by the utility model is when carrying out cord fitting with synthesis type laminating drum, capsule pre-expansion group
Jacking block in part is moved radially outwards under the promotion of first piston force side, make reverse-wrapped capsule be radially pre-expanded to at
Type laminating drum is isometrical, with support cord it is wide go out form laminating drum part, effectively prevent cord pendency, prevent cord be pleated or
Bubble is generated, ensure that cord is bonded quality, can satisfy the production needs of the big tire of aspect ratio especially aviation tire.Together
When, the jacking block for propping up reverse-wrapped capsule is located in the annular inflatable mouth of reverse-wrapped capsule, without carrying out opening to reverse-wrapped capsule
Reason, ensure that the leakproofness of reverse-wrapped capsule is unaffected, under the premise of not influencing reverse-wrapped capsule normal inflation, realize
The pre-expansion of reverse-wrapped capsule.
In order to better understand the above technical scheme, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Embodiment one
Referring to Fig. 1, for the structural schematic diagram for the turn-up and turn-down device that the first embodiment of the utility model provides.In order to
It solves to be pleated or generate gas when cord caused by existing when the big tire building of aspect ratio in the prior art because of cord pendency is bonded
The problem of bubble, present embodiments provides a kind of turn-up and turn-down device, including main shaft 1 and the capsule seat unit for being sheathed on 1 periphery of main shaft
2, capsule seat unit 2 includes the capsule cylinder 21 and reverse-wrapped capsule 22 for being radially successively sheathed on 1 periphery of main shaft from inside to outside, also
Component 23 is pre-expanded including capsule.
Referring to fig. 2, the reverse-wrapped capsule 22 that the present embodiment uses is the conventional components of turn-up and turn-down device, with annular inflatable
Mouthful, this will not be repeated here for other specific structures of reverse-wrapped capsule 22.Capsule cylinder 21 is equipped with the annular inflatable with reverse-wrapped capsule 22
The annular air outlet that mouth is tightly connected, annular air outlet are located at capsule cylinder 21 close to one end of molding laminating drum 9.Capsule cylinder
21 specific structure are as follows: capsule cylinder 21 includes the inner cylinder tube 211 for being sheathed on main shaft 1, and the axial ends of inner cylinder tube 211 connects respectively
Be connected to the first cylinder body plate 212 and the second cylinder body plate 213 for being sheathed on main shaft 1, the radial outer end of the second cylinder body plate 213 along axial direction to
First cylinder body plate, 212 direction extends to form cylinder chamber, the diameter of the radial outer end of the second cylinder body plate 213 and the first cylinder body plate 212
Annular air outlet is formed outward.The annular inflatable mouth of reverse-wrapped capsule 22 and the annular air outlet of capsule cylinder 21 use anti-package glue
The conventional connection type of capsule 22 is connected and sealed, specific connection type are as follows: the annular inflatable muzzle of reverse-wrapped capsule 22 is in capsule
Outside the annular air outlet of cylinder 21, the axially external of 22 annular inflatable mouth of reverse-wrapped capsule is respectively equipped with a capsule platen 24, and two
Fastening is bolted in capsule platen 24, so that the annular that the annular inflatable mouth of reverse-wrapped capsule 22 is closely attached on capsule cylinder 21 goes out
Port realizes sealing.
- Fig. 5 referring to fig. 2, capsule pre-expansion component 23 include that be set in annular air outlet multiple move radially
Jacking block 231, and the first piston 232 being axially moveable being set in capsule cylinder 21；Multiple jacking blocks 231 are evenly distributed
In in annular air outlet, the radial outer end of jacking block 231 extends in reverse-wrapped capsule 22 and is supported in the inner surface of reverse-wrapped capsule 22,
Radial inner end extends in capsule cylinder 21；First piston 232 has force side and bestows radially outward active force to jacking block 231
Force side, force side is in contact with the radial inner end of jacking block 231.When first piston 232 is axially moveable, first piston
Radially outward active force is bestowed to jacking block 231 in 232 force side, and jacking block 231 is moved radially outwards by this active force, due to top
The radial outer end of block 231 is supported in the inner surface of reverse-wrapped capsule 22, thus jacking block 231 props up reverse-wrapped capsule 22, realizes anti-package
The pre-expansion of capsule 22.It is evenly distributed simultaneously as being equipped with multiple jacking blocks 231 and multiple jacking blocks 231, thus reverse-wrapped capsule 22
Circumferential multiple positions can be propped up simultaneously, reverse-wrapped capsule 22 can be made to be pre-expanded to isometrical to support cord with molding laminating drum 9
It is wide to go out to form the part of laminating drum 9, cord pendency is effectively prevented, cord is prevented to be pleated or generate bubble, ensure that cord pastes
Quality is closed, can satisfy the production needs of the big tire of aspect ratio especially aviation tire.
It should be noted that first piston 232 is dynamic for gas drive as shown in Fig. 2, in the present embodiment, first piston 232 by
The first gas chamber 25 is formed between power end and capsule cylinder 21, the first gas chamber 25 is for driving first piston 232 to be axially moveable；It applies
The second gas chamber 26 is formed between power end and capsule cylinder 21, the second gas chamber 26 is connected with annular air outlet, and the second gas chamber 26 is used
It is inflated in reverse-wrapped capsule 22.It should be noted that the first gas chamber 25 and the second gas chamber 26 are that is arranged in capsule cylinder 21
What one piston 232 was necessarily formed.In order to setting gas circuit is necessarily required to, in this reality to the first gas chamber 25 and the second gas chamber 26 gas supply
It applies in example, the first gas being connected with the first gas chamber 25 and the second gas chamber 26 is respectively equipped in the inner cylinder tube 211 of capsule cylinder 21
Road 27 and the second gas circuit 28, the first gas circuit 27 and the available main shaft 1 that is set to of the second gas circuit 28 are far from molding 9 one end of laminating drum
Rotation steam supply valve 5 is supplied, and is carried out gas supply to turn-up and turn-down device using rotation steam supply valve 5 and is belonged to ordinary skill in the art hand
Section, this will not be repeated here.It is understood that other modes driving can also be used in first piston 232, for example, by using telescopic rod etc.
Mechanical system driving.
In order to be oriented to moving radially for jacking block 231, prevent jacking block 231 from shifting in moving process, such as Fig. 2 and Fig. 3
Shown, jacking block 231 is plugged in annular air outlet, the axial sides outer wall of jacking block 231 respectively with annular air outlet axial two
Side inner wall is affixed merging and is slidably matched, and in the axial direction can not with limiting jacking block 231 by the axial sides inner wall of annular air outlet
Generate displacement；Meanwhile jacking block guide frame 29 is equipped between jacking block 231 and annular air outlet, guide frame includes radially prolonging
The guide rail stretched, and the locating part being slidably connected in guide rail, are led with the cooperation by guide rail and locating part
To moving radially for jacking block 231.Specifically, in the present embodiment, guide rail is along the long through-hole axially through jacking block 231
291, long through-hole 291 radially extends；Locating part is to be arranged in the limited post 292 in long through-hole 291, limited post 292 along axial direction
Axial ends be connected to the axial sides wall of annular air outlet.It should be noted that can directly be utilized in the present embodiment
The bolt for connecting capsule platen 24 is conducive to the simplification of structure without in addition setting limited post 292 as limited post 292.
Radially outer active force, In are bestowed to the radial inner end of jacking block 231 for the ease of the force side of first piston 232
In the present embodiment, as shown in Figure 2 and Figure 4, the radial inner end of jacking block 231 has the force side towards first piston 232 inclined
The force side of stress surface, first piston 232 has towards the inclined force surface 2321 of stress surface, force surface 2321 and stress surface phase
It contacts and is slidably matched, the axial movement of first piston 232 can be converted to the radial motion of jacking block 231.In the present embodiment,
Force surface 2321 and stress surface are tapered plane, advantageously ensure that the stability of structure.It is understood that 2321 He of force surface
Stress surface can also be convex globoidal or one be convex globoidal, one be tapered plane, as long as can guarantee in first piston
232 when being axially moveable, and force surface 2321 and the contact point of stress surface can be displaced outwardly radially, to guarantee
The axial movement of one piston 232 is converted into the radial motion of jacking block 231.
Further, in order to guarantee first piston 232 exert a force stability, as shown in Figure 3 and Figure 4, force surface 2321 is
Multiple, force surface 2321 is arranged in a one-to-one correspondence with jacking block 231, so that a force surface 2321 is only used for pushing one corresponding thereto
A jacking block 231 is specifically provided with 8 jacking block 231 and 8 force surfaces 2321 in the present embodiment, meanwhile, as shown in Fig. 2, first is living
It is connected with anti-rotation locating part between plug 232 and the inner wall of capsule cylinder 21, to prevent first piston 232 from rotating, guarantees force surface
2321 with the correspondence of jacking block 231.
For the specific structure of anti-rotation locating part, as shown in Fig. 2, in the present embodiment, anti-rotation locating part is to set along axial direction
First piston is inserted into from the force side of first piston 232 in axial one end of the anti-rotation limited post 233 set, anti-rotation limited post 233
232, the axial other end is fixedly connected on the inner wall of capsule cylinder 21.It is understood that the utility model is not limited to this
The anti-rotation locating part that embodiment provides, the anti-rotation locating part of other structures can also be used in those skilled in the art, for example, using
The limited block of 232 periphery of first piston setting corresponds to limited block in 21 inner wall of capsule cylinder and edge is arranged as anti-rotation locating part
Axially extending limiting slot can also play the effect similar with anti-rotation limited post 233 in the present embodiment, when opening up limiting slot
It should be noted that avoiding passing through limiting slot makes the first gas chamber 25 be connected with the second gas chamber 26, to influence the gas drive of first piston 232
It is dynamic.
Need further exist for explanation, before carrying out anti-package, reverse-wrapped capsule 22 need recovery to unswollen state in order to
Subsequent anti-package.The reset mode of reverse-wrapped capsule 22 are as follows: the exhaust of the first gas chamber 25, reverse-wrapped capsule 22 are received under own resilient effect
Contracting, forces jacking block 231 to move radially inwardly, and then jacking block 231 forces first piston 232 to reset.In order to accelerate 231 He of jacking block
The reset of first piston 232, as shown in Fig. 2, capsule pre-expansion component 23 further includes piston reset part 234 and jacking block return unit
235.Piston reset part 234 it is axially connecting between the force side of first piston 232 and the inner wall of capsule cylinder 21 (specially
Between the force side of first piston 232 and the first cylinder body plate 212 of capsule cylinder 21), piston reset part 234 can be stretched along axial direction
Contracting.When first piston 232 is mobile towards the first cylinder body plate 212, piston reset part 234 is axially contracted, when first piston 232
When needing to be reset, piston reset part 234 is axially elongated to force first piston 232 to reset.It is specific using pressure in the present embodiment
Contracting spring is as piston reset part 234, it is to be understood that those skilled in the art can also can be played and be compressed using other
The extensible member of spring similar effect is as piston reset part 234, such as telescopic rod etc..Jacking block return unit 235 is annular in shape, and jacking block is multiple
Position part 235 is sheathed in reverse-wrapped capsule 22, and around the radial outer end face of whole jacking blocks 231, jacking block return unit 235 has elasticity
And it can radially contracted or expansion.When jacking block 231 is moved radially outwards, jacking block return unit 235 expands, when jacking block 231 needs
When resetting, jacking block return unit 235 is radially contracted to force jacking block 231 to move radially inward under the action of natural resiliency
It is dynamic, realize the reset of jacking block 231.In the present embodiment, specifically using spring ring as jacking block return unit 235, it is to be understood that
Those skilled in the art can also can play the annular resilient part with spring ring similar effect as jacking block return unit using other
235, such as elastic tape etc..
In addition it is also necessary to explanation, as shown in Figure 1, turn-up and turn-down device further include push-plate component 6, bead ring component 7,
The positive pack assemblies 8 of finger-type etc. complete the general components of positive and negative package operation for capsule-containing seat unit 2, for the specific of these components
Structure will not repeat them here.
Illustrate the utility model in order to clearer, referring to Fig. 5, below just utilize turn-up and turn-down device provided in this embodiment
The operation for carrying out Auxiliary support to cord with synthesis type laminating drum 9 is illustrated:
Driving first piston 232 is moved along axial direction to close to 231 direction of jacking block, in 232 moving process of first piston, first
Radially outward active force is bestowed to jacking block 231 in the force side of piston 232, jacking block 231 be forced in annular air outlet radially to
Outer movement radially props up reverse-wrapped capsule 22 to equal with molding 9 diameter of laminating drum.
Embodiment two
Referring to Fig. 1, on the basis of example 1, the capsule seat unit 2 in the utility model can also be synchronous with main shaft 1
Rotation so that capsule seat unit 2 and molding laminating drum 9 rotate synchronously, avoid capsule seat unit 2 when support cord and cord it
Between generate friction and cause cord to be pleated.It should be noted that being usually equipped in turn-up and turn-down device for adjusting turn-up and turn-down
The adjustment seat 3 of distance between laminating drum 9 is set and formed, capsule seat actuator is usually mounted in adjustment seat 3 to drive capsule seat
Unit 2 axially movable, to reach different operating positions.Thus, how not influence the axial movement of capsule seat unit 2
Under the premise of, realize that capsule seat unit 2 is a technological difficulties with the synchronous rotation of main shaft 1.In order to overcome the technological difficulties, this
Embodiment further improves capsule seat driving unit 4, and specific technical solution is as follows:
Referring to Fig. 1 and Fig. 6, on the basis of example 1, turn-up and turn-down device further include for adjust turn-up and turn-down device with
The adjustment seat 3 of distance between laminating drum 9 is formed, capsule seat driving unit 4 is installed in adjustment seat 3, capsule seat driving unit 4 wraps
Include connection sleeve 41 and capsule seat actuator；Connection sleeve 41 is sheathed on 1 periphery of main shaft, and is coupled with main shaft 1 by feather key 44,
Axial one end of connection sleeve 41 is fixedly connected on capsule cylinder 21, and the axial other end is fixedly connected with capsule seat actuator；Capsule
Seat actuator is axial scalable along main shaft 1, and is rotationally connected with adjustment seat 3.
The present embodiment is additionally arranged connection sleeve 41 in capsule seat driving unit 4, to connect capsule seat unit 2 and capsule seat
Actuator, the connection sleeve 41 added and main shaft 1 are coupled by feather key 44, and making to connect sleeve 41 can axially move but can not phase
Main shaft 1 is rotated, under the premise of not influencing the axial movement of capsule seat unit 2, realizes capsule seat unit 2 with main shaft 1
It rotates synchronously, can effectively solve the problem that causes cord to be pleated because leading to the problem of friction between capsule seat unit 2 and cord.Together
When, since adjustment seat 3 not can be rotated, thus the connection type of capsule seat actuator and adjustment seat 3 is changed to turn in the present embodiment
Dynamic connection, rotate synchronously capsule seat actuator can with main shaft 1, to avoid capsule seat actuator is influenced to capsule seat unit 2
Axially driving effect.
Referring to Fig. 6, it illustrates the connection structure of connection sleeve 41 and main shaft 1, specifically: 1 periphery of main shaft is equipped with along axis
To the keyway 45 of extension, feather key 44 is fixedly connected on the barrel of connection sleeve 41 and slides in keyway 45.It should be noted that
Feather key 44 is a kind of key connecting mode commonly used in the art, can be used as the axial movement guide frame of the outer part of axis, it is possible to understand that
, the utility model is not limited to the 44 setting form of feather key in the present embodiment, it can also be used in those skilled in the art
The feather key of his form.
Referring to figs. 7 and 8, in the present embodiment, capsule seat actuator is the two-pass driving cylinder 42 for being set in main shaft 1,
To drive capsule seat unit 2 to stop in fitting position and the position of anti-package position two；Two-pass driving cylinder 42 includes being sheathed on main shaft 1
Cylinder body 421, cylinder body 421 is front end close to axial one end of connection sleeve 41, and the axial other end is rear end, in cylinder body 421 from
Front end to rear end is successively arranged mutually independent first chamber 422 and second chamber 423；First chamber 422 and second chamber 423
Inside it is respectively equipped with the second piston 424 and third piston 425 for being sheathed on 1 periphery of main shaft, second piston 424 and third piston 425
Extension end towards 421 front end of cylinder body be arranged；The extension end of second piston 424 is axially extending in 421 front end of cylinder body, and with
Connection sleeve 41 is fixedly connected, and the extension end of third piston 425 is protruded into first chamber 422 along axial direction from second chamber 423, the
The extension end of three pistons 425 is in contact to push second piston 424 to stretch out with second piston 424.Duplicate rows provided in this embodiment
Journey drives 42 integral assembling of cylinder on main shaft 1, and required installation space is small, and convenient for axially driving.
Referring to Fig. 9 and Figure 10, the process for driving capsule seat unit 2 mobile using above-mentioned two-pass driving cylinder 42 is as follows:
(1) as shown in figure 9, before fitting, driving third piston 425 stretches out, and third piston 425 pushes second piston 424 same
Step is stretched out, and is axially moveable capsule seat unit 2 to fitting position, at this position, capsule seat unit 2 is close to molding laminating drum 9
One end with molding laminating drum 9 be close to, with using pre-expansion after capsule seat unit 2 with synthesis type laminating drum 9 fitting when pair
Cord carries out Auxiliary support.It should be noted that capsule seat unit 2 can drive cylinder 42 to carry out driving preceding progress in two-pass
Pre-expansion can also be pre-expanded when capsule seat unit 2 reaches fitting position.The pre-dilation step of capsule seat unit 2 referring to
Turn-up and turn-down device in embodiment one carries out the operating procedure of Auxiliary support with synthesis type laminating drum 9 to cord.
(2) as shown in Figure 10, after the completion of fitting, driving first piston 232 resets, jacking block 231 resets, so that capsule seat list
Member 2 is restored to unswollen state；It drives second piston 424 further to stretch out, is axially moveable capsule seat unit 2 to anti-package
Position, at this position, capsule seat unit 2 stretches in molding laminating drum 9 close to one end of molding laminating drum 9, in order to carry out
Subsequent anti-package operation.
It should be noted that as shown in Figure 7 and Figure 8, the specific structure of cylinder body 421 are as follows: cylinder body 421 along axial direction by successively covering
It is constituted set on the preceding gland 4211 of main shaft 1, the first cylinder barrel 4212, middle gland 4213, the second cylinder barrel 4214 and rear pressing cover 4215, it is preceding
Gland 4211, the first cylinder barrel 4212, middle gland 4213, the second cylinder barrel 4214 and rear pressing cover 4215 are bolted and are integrated；
Preceding gland 4211, the first cylinder barrel 4212 and middle gland 4213 surround first chamber 422, middle gland 4213,4214 and of the second cylinder barrel
Rear pressing cover 4215 surrounds second chamber 423.The cylinder body 421 of this structure provided in this embodiment is more convenient for assembling, but can manage
The cylinder body 421 of solution, two-pass driving cylinder 42 provided by the utility model is not limited to above structure, can also use
Other cylinder block structures commonly used in the art.
In addition it is also necessary to explanation, the interior second piston 424 being arranged of first chamber 422 necessarily divides first chamber 422
Gas chamber 4221 and the first rear gas chamber 4222 before being segmented into first, the interior third piston 425 being arranged of second chamber 423 is necessarily by the second chamber
Gas chamber 4231 and the second rear gas chamber 4232 before room 423 is divided into second are necessarily required to be provided with and the first rear gas chamber in cylinder body 421
The 4222 third gas circuits 426 being connected, the 4th gas circuit 427 being connected with the second rear gas chamber 4232, and with first before gas chamber
4221 the 5th gas circuits 428 being connected to gas chamber 4231 before second.Wherein, third gas circuit 426 is for driving second piston 424 to stretch
Out, for the 4th gas circuit 427 for driving third piston 425 to stretch out, the 5th gas circuit 428 is living for driving second piston 424 and third
The reset of plug 425.In addition, after installation connection sleeve 41 and above-mentioned two-pass driving cylinder 42, for capsule cylinder 21 the
The first gas circuit 27 and the second gas circuit 28 of one gas chamber 25 and the ventilation of the second gas chamber 26 are driven from connection 41 barrel of sleeve and two-pass
The cylinder body 421 of cylinder 42 of taking offence passes through, in order to be supplied by a rotation steam supply valve 5 to above-mentioned gas circuit.
For the specific connection type of above-mentioned two-pass driving cylinder 42 and adjustment seat 3, as shown in Figure 1, two-pass drives
Cylinder 42 is rotationally connected with adjustment seat 3 by being sheathed on the bearing 43 of 421 periphery of cylinder body, so that two-pass driving cylinder 42 is whole
It can be rotated synchronously with main shaft 1.
Embodiment three
Referring to Figure 11 and Figure 12, the present embodiment is the improvement to embodiment one, with embodiment one the difference is that: In
In the present embodiment, guide rail includes the guide groove for being opened in annular air outlet axial sides inner wall respectively, and guide groove is radially
Extend；Locating part includes the limited block for protruding from 231 axial sides outer wall of jacking block respectively, and limited block radially extends, limited block
It is plugged in guide groove and matches with guide groove.Compared to embodiment one, matched in the present embodiment using guide groove and limited block
It closes, is oriented to more acurrate.
Example IV
Referring to Figure 13, a kind of tyre building machine, including molding laminating drum 9 are present embodiments provided, the axis of laminating drum 9 is formed
It is connected separately with the first turn-up and turn-down device 10 and the second turn-up and turn-down device 11 to two sides, the first turn-up and turn-down device 10 and second is positive and negative
Bag apparatus 11 is the turn-up and turn-down device that embodiment one provides, which can satisfy the big tire of aspect ratio and especially navigate
The production of empty needs, and advantageously ensures that tire building quality, particularly evident to aviation tire increased quality.
Further, tyre building machine further includes laminating drum host 12 and tailstock 13.Wherein, laminating drum host 12 is located at the
One side of the turn-up and turn-down device 10 far from molding laminating drum 9, and be sequentially connected with the main shaft 1 of the first turn-up and turn-down device 10；Tailstock
13 are located at the second side of the turn-up and turn-down device 11 far from molding laminating drum 9.Since tailstock 13 can not be the second turn-up and turn-down device 11
Main shaft 1 provide rotation driving force, for the ease of drive the second turn-up and turn-down device 11 main shaft 1 and the first turn-up and turn-down device 10
1 synchronous rotary of main shaft, in the present embodiment, the main shaft 1 of the first turn-up and turn-down device 10 and 91 one end of shaft of molding laminating drum 9 are passed
The main shaft 1 of dynamic connection, 91 other end of shaft and the second turn-up and turn-down device 11 that form laminating drum 9 is driven by gear clutch 14
Connection.Referring to Figure 14, the driving gear 141 of gear clutch 14 is installed in the shaft 91 of molding laminating drum 9, gear clutch
14 driven gear 142 is installed on the main shaft 1 of the second turn-up and turn-down device 11.When fitting, the driving gear of gear clutch 14
141 are in meshing state with driven gear 142, drive the main shaft 1 of the first turn-up and turn-down device 10 to rotate by laminating drum host 12,
The main shaft 1 and then drive molding laminating drum 9 of first turn-up and turn-down device 10 rotate, and molding laminating drum 9 passes through 14 band of gear clutch
The main shaft 1 of dynamic second turn-up and turn-down device 11 rotates synchronously, and realizes driving force from laminating drum host 12 to the second turn-up and turn-down device
11 transmitting, and advantageously ensure that the synchronous rotary of main shaft 1 in the first turn-up and turn-down device 10 and the second turn-up and turn-down device 11.Unload tire
When, tailstock 13 drives the second turn-up and turn-down device 11 mobile to the direction far from molding laminating drum 9, makes the active of gear clutch 14
Gear 141 is separated with driven gear 142, convenient for unloading the matrix body tube formed on laminating drum 9.
Claims (13)
1. turn-up and turn-down device, including main shaft (1) and it is sheathed on the capsule seat unit (2) of the main shaft (1) periphery, feature exists
In: the capsule seat unit (2) includes the capsule cylinder (21) for being radially successively sheathed on the main shaft (1) periphery from inside to outside
With reverse-wrapped capsule (22), the capsule cylinder (21) is equipped with the ring being tightly connected with the annular inflatable mouth of the reverse-wrapped capsule (22)
Shape gas outlet；The capsule seat unit (2) further includes capsule pre-expansion component (23), and capsule pre-expansion component (23) includes
The multiple jacking blocks (231) moved radially being set in the annular air outlet, and it is set to the capsule cylinder (21)
The interior first piston (232) being axially moveable；Multiple jacking blocks (231) are evenly distributed in the annular air outlet,
The radial outer end of the jacking block (231) extends in the reverse-wrapped capsule (22) and is supported in the interior table of the reverse-wrapped capsule (22)
Face, radial inner end extend in the capsule cylinder (21)；The first piston (232) has force side and to the jacking block
(231) force side of radially outward active force is bestowed, the force side is in contact with the radial inner end of the jacking block (231).
2. turn-up and turn-down device according to claim 1, it is characterised in that: the jacking block (231) is plugged in the annular and goes out
In port, the axial sides outer wall of the jacking block (231) is affixed with the axial sides inner wall of the annular air outlet respectively to be merged
It is slidably matched；Jacking block guide frame (29) are equipped between the jacking block (231) and annular air outlet, the guide frame includes edge
The guide rail radially extended, and the locating part being slidably connected in the guide rail.
3. turn-up and turn-down device according to claim 2, it is characterised in that: the guide rail is along axially through the top
The long through-hole (291) of block (231), the long through-hole (291) radially extend；The locating part is to be arranged in the length along axial direction
The axial ends of limited post (292) in through-hole (291), the limited post (292) is connected to the annular air outlet
Axial sides wall.
4. turn-up and turn-down device according to claim 2, it is characterised in that: the guide rail is described including being opened in respectively
The guide groove of annular air outlet axial sides inner wall, the guide groove radially extend；The locating part includes protruding from respectively
The limited block of jacking block (231) the axial sides outer wall, the limited block radially extend, and the limited block is plugged in described lead
Match into slot and with the guide groove.
5. turn-up and turn-down device according to claim 2, it is characterised in that: the radial inner end of the jacking block (231) has face
To the inclined stress surface in force side of the first piston (232), the force side of the first piston (232) has towards described
The inclined force surface of stress surface (2321), the force surface (2321) are in contact and are slidably matched with stress surface.
6. turn-up and turn-down device according to claim 5, it is characterised in that: the force surface (2321) be it is multiple, it is described to apply
Power face (2321) is arranged in a one-to-one correspondence with jacking block (231), is connected between the first piston (232) and the inner wall of capsule cylinder (21)
It is connected to anti-rotation locating part.
7. turn-up and turn-down device according to claim 6, it is characterised in that: the anti-rotation locating part is prevented for axially disposed
Turn limited post (233), institute is inserted into from the force side of the first piston (232) in axial one end of the anti-rotation limited post (233)
It states first piston (232), the axial other end is fixedly connected on the inner wall of the capsule cylinder (21).
8. turn-up and turn-down device according to claim 1, it is characterised in that: capsule pre-expansion component (23) further includes living
Fill in return unit (234) and jacking block return unit (235)；The piston reset part (234) is axially connecting in the first piston
(232) between the inner wall of force side and the capsule cylinder (21), and can be axially retractable；The jacking block return unit (235)
Annularly, the jacking block return unit (235) is sheathed in the reverse-wrapped capsule (22), and around all jacking blocks (231)
Radial outer end face, the jacking block return unit (235) have elasticity and can radially contracted or expansions.
9. turn-up and turn-down device according to claim 1-8, it is characterised in that: the turn-up and turn-down device further includes using
It is equipped in the adjustment seat (3) for adjusting distance between the turn-up and turn-down device and molding laminating drum (9), the adjustment seat (3)
Capsule seat driving unit (4), the capsule seat driving unit (4) include connection sleeve (41) and capsule seat actuator；The company
Female connector cylinder (41) is sheathed on the main shaft (1) periphery, and is coupled with the main shaft (1) by feather key (44), the connection sleeve
(41) axial one end is fixedly connected on the capsule cylinder (21), and the axial other end is fixedly connected with the capsule seat actuator；
The capsule seat actuator is axial scalable along main shaft (1), and is rotationally connected with the adjustment seat (3).
10. turn-up and turn-down device according to claim 9, it is characterised in that: the capsule seat actuator is described to be set in
The two-pass of main shaft (1) drives cylinder (42)；Two-pass driving cylinder (42) includes the cylinder body for being sheathed on the main shaft (1)
(421), the cylinder body (421) is front end close to axial one end of connection sleeve (41), and the axial other end is rear end, described
Mutually independent first chamber (422) and second chamber (423) are successively arranged from front end to rear end in cylinder body (421)；Described
The second piston (424) for being sheathed on the main shaft (1) periphery and the are respectively equipped in one chamber (422) and second chamber (423)
The extension end of three pistons (425), the second piston (424) and third piston (425) is set towards the cylinder body (421) front end
It sets；The extension end of the second piston (424) is axially extending in the cylinder body (421) front end, and with the connection sleeve
(41) it is fixedly connected, first chamber is protruded into from the second chamber (423) along axial direction in the extension end of the third piston (425)
In room (422), and it is in contact with the second piston (424).
11. turn-up and turn-down device according to claim 10, it is characterised in that: two-pass driving cylinder (42) passes through set
Bearing (43) set on the cylinder body (421) periphery is rotationally connected with the adjustment seat (3).
12. the axial sides of tyre building machine, including molding laminating drum (9), molding laminating drum (9) are connected separately with first
Turn-up and turn-down device (10) and the second turn-up and turn-down device (11), it is characterised in that: first turn-up and turn-down device (10) and second is just
Anti-package device (11) is such as the described in any item turn-up and turn-down devices of claim 1-11.
13. tyre building machine according to claim 12, it is characterised in that: the tyre building machine further includes laminating drum master
Machine (12), the laminating drum host (12) are located at one of first turn-up and turn-down device (10) far from molding laminating drum (9)
Side, and be sequentially connected with the main shaft (1) of first turn-up and turn-down device (10)；The main shaft of first turn-up and turn-down device (10)
(1) shaft (91) one end with molding laminating drum (9) is sequentially connected, and the shaft (91) of molding laminating drum (9) is another
End and the main shaft (1) of second turn-up and turn-down device (11) are sequentially connected by gear clutch (14)；The gear clutch
(14) driving gear (141) be installed on it is described molding laminating drum (9) shaft (91) on, the gear clutch (14) from
Moving gear (142) is installed on the main shaft (1) of second turn-up and turn-down device (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403335.6U CN209633825U (en) | 2019-03-27 | 2019-03-27 | Turn-up and turn-down device and tyre building machine with it |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920403335.6U CN209633825U (en) | 2019-03-27 | 2019-03-27 | Turn-up and turn-down device and tyre building machine with it |
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| CN209633825U true CN209633825U (en) | 2019-11-15 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927326A (en) * | 2019-03-27 | 2019-06-25 | 青岛双星橡塑机械有限公司 | Turn-up and turn-down device and tyre building machine with it |
| CN111605233A (en) * | 2020-06-03 | 2020-09-01 | 汉思科特(盐城)减震技术有限公司 | Automatic flanging machine for air spring leather bag and flanging method thereof |
| CN111873505A (en) * | 2020-07-23 | 2020-11-03 | 北京敬业机械设备有限公司 | Single-person high-efficiency flat-drum laminating secondary method forming machine for semisteel radial tire |
| CN111976181A (en) * | 2020-08-06 | 2020-11-24 | 北京敬业机械设备有限公司 | Flat drum laminating first-stage forming machine adopting semisteel radial tire secondary method |
| CN114055797A (en) * | 2021-11-10 | 2022-02-18 | 西格迈股份有限公司 | Automatic air bag flanging machine and flanging method for assembling air spring of automobile shock absorber |
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2019
- 2019-03-27 CN CN201920403335.6U patent/CN209633825U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109927326A (en) * | 2019-03-27 | 2019-06-25 | 青岛双星橡塑机械有限公司 | Turn-up and turn-down device and tyre building machine with it |
| CN109927326B (en) * | 2019-03-27 | 2024-07-16 | 青岛海琅智能装备有限公司 | Forward and backward packing device and tire forming machine with same |
| CN111605233A (en) * | 2020-06-03 | 2020-09-01 | 汉思科特(盐城)减震技术有限公司 | Automatic flanging machine for air spring leather bag and flanging method thereof |
| CN111873505A (en) * | 2020-07-23 | 2020-11-03 | 北京敬业机械设备有限公司 | Single-person high-efficiency flat-drum laminating secondary method forming machine for semisteel radial tire |
| CN111976181A (en) * | 2020-08-06 | 2020-11-24 | 北京敬业机械设备有限公司 | Flat drum laminating first-stage forming machine adopting semisteel radial tire secondary method |
| CN114055797A (en) * | 2021-11-10 | 2022-02-18 | 西格迈股份有限公司 | Automatic air bag flanging machine and flanging method for assembling air spring of automobile shock absorber |
| CN114055797B (en) * | 2021-11-10 | 2024-04-16 | 西格迈股份有限公司 | Automatic flanging machine and flanging method for air bags for assembling air springs of automobile shock absorbers |
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Address after: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee after: Qingdao Shuangxing Equipment Manufacturing Co.,Ltd. Address before: 266000 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee before: QINGDAO DOUBLESTAR RUBBER & PLASTIC MACHINERY Co.,Ltd. |
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Address after: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee after: Qingdao Hailang Intelligent Equipment Co.,Ltd. Address before: 266400 88 Gang Xing Road, POI Town, Huangdao District, Qingdao, Shandong Patentee before: Qingdao Shuangxing Equipment Manufacturing Co.,Ltd. |
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