CN101633245A - Turn-up and turn-down device and method thereof for tyre forming machine - Google Patents
Turn-up and turn-down device and method thereof for tyre forming machine Download PDFInfo
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- CN101633245A CN101633245A CN200810138670A CN200810138670A CN101633245A CN 101633245 A CN101633245 A CN 101633245A CN 200810138670 A CN200810138670 A CN 200810138670A CN 200810138670 A CN200810138670 A CN 200810138670A CN 101633245 A CN101633245 A CN 101633245A
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 239000002775 capsule Substances 0.000 claims abstract description 47
- 230000008569 process Effects 0.000 claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 16
- 239000011324 bead Substances 0.000 claims description 9
- 239000003292 glue Substances 0.000 claims description 7
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000007306 turnover Effects 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 5
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000006872 improvement Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to a turn-up and turn-down device and a method thereof for a tyre forming machine. The turn-up and turn-down device is provided with a buckling ring and a turn-down ring driving mechanism which are individually configured so as to increase the accuracy control of a single working procedure and improve the turn-up and turn-down process flow of a two-stage forming machine. The turn-up and turn-down device is mainly provided with tailstocks which are symmetrically arranged leftwards and rightwards, and a fixed seat, a turn-down capsule, a finger sheet group, a turn-down ring and a buckling ring, which are fixed on the tailstocks or a cabinet, wherein the buckling ring is connected on one side of a buckling ring seat, and the other side of the buckling ring seat is installed on a buckling ring driving cylinder of which the fixed seats are connected with and drive the buckling ring to make reciprocating movement along an axial direction on the tail stocks or the cabinet; the turn-down is installed and fixed on one side of the turn-down ring seat, a turn-down driving cylinder is installed on the buckling ring seat and is connected with the other side of the turn-down ring seat, and annular springs used for pressing triangle adhesive tapes are arranged in the turn-down ring; the finger sheet group is sheathed on the inner periphery of the buckling ring and is installed on a finger sheet seat, and a pair of positive driving cylinders are installed on the buckling seat and are connected with the finger sheet seat; and slide blocks which provide slide guiding directions are respectively arranged at the bottom of the turn-down ring seat and the bottom of the buckling ring seat.
Description
Technical Field
The invention relates to a positive and negative wrapping device and a positive and negative wrapping method applied to a tire secondary method forming machine, and belongs to the field of rubber machinery.
Background
Rubber tires used in various types of currently used vehicles (such as spacecraft and land vehicles) are mainly composed of steel wire beads, a carcass assembly and a belt-tread assembly. The molding equipment for manufacturing tires includes a multi-drum molding machine such as a primary method and a secondary method.
At present, a secondary forming machine is generally provided with a tail frame, a case, a turn-up capsule, a finger-shaped sheet group, a turn-up ring, a buckling ring and other devices which are symmetrically arranged at the left and the right. The forward and reverse wrapping device of the conventional secondary forming machine has a complex driving structure of the buckling ring and the reverse wrapping ring, is difficult to ensure the coaxiality of the buckling ring, the reverse wrapping ring and a main shaft, has low coaxial adjusting precision, and wastes time and labor. Moreover, depending on the manufacturing process and the tire model specification, it is often necessary to replace the snap ring device and the turn-up device integrally, which both extends the manufacturing time and increases the part mold and manufacturing costs.
Due to the limitation and restriction of the forward and backward packaging device of the existing secondary method forming machine, the time of the existing forward and backward packaging process is long, and the process precision and the control automation program are low.
Disclosure of Invention
The present invention provides a turn-up and turn-down device of a tire building machine and a method thereof, which aims to solve the problems and the defects and improve the driving, the part replacement and the coaxiality adjustment of the turn-up and turn-down device.
The invention aims to provide a buckling ring and a turn-up ring driving mechanism which are independently configured, the internal connection of the driving mechanism is simpler, and the precision control of a single process is easy to improve;
another object of the present invention is to provide a mold for a bicycle, in which a buckle ring and a turn-up device are coaxially adjusted, and an operation performing part is replaced only according to a change in a process and a specification and a size without replacing a whole set of devices, thereby effectively reducing a mold and manufacturing cost.
The invention also aims to realize a process flow for manufacturing the positive and negative bags of the tire formed by the brand new two-method, the connection among all the working procedures is compact, and the improvement of the process precision of the positive bag, the triangular glue pressing and the negative bag is facilitated.
In order to realize the purpose, the positive and negative wrapping device of the tire forming machine mainly comprises a fixed seat, a negative wrapping capsule, a finger-shaped sheet group, a negative wrapping ring and a buckling ring, wherein the fixed seat is fixed on a tail frame or a case by the tail frame which is symmetrically arranged left and right; wherein,
the turn-up capsule is connected with a pair of locking cylinders capable of driving the turn-up capsule to reciprocate along the axial direction through a capsule seat, and the locking cylinders are arranged on the fixed seat;
the outer circumference of the turn-up capsule is sleeved with a buckling ring, and the outer circumference of the buckling ring is sleeved with a turn-up ring.
The improvement of the prior art is that the buckling ring is connected to one side of a buckling ring seat, and a fixed seat arranged on the tail frame or the chassis at the other side of the buckling ring seat is connected with a buckling ring driving cylinder for driving the buckling ring to reciprocate along the axial direction;
the turn-up ring is fixedly arranged on one side of the turn-up ring seat, the turn-up driving cylinder is arranged on the buckling ring seat and connected with the other side of the turn-up ring seat, and an annular spring for pressing triangular glue is arranged in the turn-up ring;
the finger-shaped sheet group is sleeved on the inner circumference of the buckling ring, the finger-shaped sheet group is arranged on the finger-shaped sheet seat, and the pair of positive wrapping driving cylinders are arranged on the buckling ring seat and connected with the finger-shaped sheet seat;
and the bottoms of the reverse wrapping ring seat and the buckling ring seat are respectively provided with a sliding block which provides sliding guide along the guide rail.
According to the characteristics of the basic scheme, the turn-up ring and the buckle ring are driven by the turn-up driving cylinder and the buckle ring driving cylinder which are independently configured to carry out the turn-up and turn-up processes, so that the control precision of the driving device is improved, and the structure between the turn-up and turn-up devices is effectively simplified.
And the driving device for the triangular glue pressing and turning-up process is arranged on one side of the turning-up device, and the main stroke of the whole turning-up and turning-down process can be completed by driving the cylinder to advance once through the buckling ring.
The triangular glue pressing and the turn-up process can be completed before and after the air cylinder is driven by the turn-up, and the process flow can be further compressed.
In order to improve the coaxiality of the buckling ring and the attaching drum in the process of pushing to finish the positive wrapping procedure, the following improvement scheme can be adopted,
the buckling ring driving cylinder is connected to an axial push shaft through a driving plate fixing seat, and the push shaft is arranged on the buckling ring seat; and two ends of the driving plate are respectively connected to a pair of lead screws in an engaged manner through nuts nested inside.
In order to adapt to the change of the process and the specification and the size of the tire and reduce the replacement time and the manufacturing cost of components, the outer side end of the buckle ring is provided with a positioning screw hole along the radial direction, and the buckle ring is fixedly arranged on the buckle ring seat through a bolt.
In order to reduce the friction between the finger plate group and the buckle ring when extending out and reduce the abrasion of parts caused by the friction, a layer of self-lubricating attached nylon plate ring is nested inside the buckle ring and between the buckle ring and the finger plate group.
In consideration of adjusting the stroke distance of the turn-up device, a double-station turn-up driving cylinder with 2 different propelling distances can be selected, and an interlayer base plate is padded between the turn-up driving cylinder and the buckle ring seat.
When the cylinder stroke needs to be adjusted in a small range, the adjustment can be carried out by changing the number and the thickness of the base plates without replacing the cylinder device.
In order to improve the coaxiality of the finger-shaped piece group and the turn-up capsule in the process of extending out and turning up the cord fabric, a group of guide rail guide shafts are arranged in the buckling ring seat, a pair of roller linear bearings are respectively arranged at the end parts of the finger-shaped piece seat, and the roller linear bearings are sleeved on the guide rails.
In order to further ensure the coaxiality of the turn-up and buckling ring device and the main shaft in the propelling process and correct and repair the coaxiality after long-time use, the sliding blocks arranged at the bottoms of the turn-up ring seat and the buckling ring seat are respectively meshed and connected with the same guide rail.
The sliding block and the mounting seat are fixedly connected with each other, and the mounting seats are respectively mounted at the bottoms of the turn-up ring seat and the buckling ring seat through adjusting bolts;
on the basis of the positive and negative wrapping device of the forming machine, the invention realizes a new positive and negative wrapping method and process, and the realization process comprises the following steps:
firstly, a tail frame of a forming machine extends into a fitting drum, a left locking cylinder and a right locking cylinder drive a capsule seat to extend into the fitting drum and reach the fitting drum, and reverse-wrapping capsules on two sides are locked on a fitting station through the capsule seat so as to finish fitting of an inner liner and a curtain cloth;
secondly, the finger-shaped sheet groups on the two sides are driven to advance by a pair of forward wrapping driving cylinders, extend out of the buckling ring and press down the cord fabric on the reverse wrapping capsule to complete forward wrapping procedures;
thirdly, under the driving of the buckling ring driving cylinders on the two sides, the buckling ring seat drives the buckling ring to extend out of the inner part of the turn-up ring, and the tire beads are pressed on the two sides of the fitting drum;
the turn-up ring is pushed out under the driving of the turn-up driving cylinder, and the apex on the tire bead is pressed on the attached tire body by the annular spring in the turn-up ring;
fourthly, the finger-shaped piece groups and the buckling ring on the two sides respectively return to the attaching station, compressed air is introduced into the turn-up capsule, and the cord fabric attached to the turn-up capsule by the finger-shaped piece groups is inflated and supported;
under the drive of the turn-up driving cylinder, the turn-up ring seat pushes the turn-up ring to push out the turn-up capsule again, and the lining layers and the curtain cloth attached to the two ends of the attaching drum are respectively turned up on the attaching drum to complete the turn-up process.
By adopting the improved scheme for improving the coaxiality of the buckling ring, in the process that the buckling ring drives the cylinder to drive the buckling ring to extend out to press the tire bead, the screws embedded at the two ends of the driving plate fixing seat are guided and pushed by the lead screws, and the driving plate fixing seat synchronously drives the push shaft to push from the two sides. Along the axial direction of the fitting drum, the buckling ring integrally and uniformly extends out of the inner part of the turn-up ring.
By adopting the improved scheme for improving the coaxiality of the finger-shaped sheet groups, in the process that the finger-shaped sheet groups are pushed by the forward wrapping driving cylinder to finish forward wrapping cord fabric, the finger-shaped sheet seats at two sides uniformly push the finger-shaped sheet groups out of the inner part of the buckling ring along the axial direction of the reverse wrapping capsule through the sliding guide of the roller linear bearing on the guide rail.
In summary, the turn-up and turn-down device and the turn-up and turn-down method of the tire building machine have the following advantages:
1. the buckling ring and the turn-up ring driving mechanism are independently configured, so that the control precision of the driving mechanism is improved.
2. The coaxiality of the finger-shaped forward wrapping device, the finger-shaped buckling ring device and the finger-shaped reverse wrapping device is improved, and the precision of the tire manufacturing process is higher.
3. The operation executing part can be replaced according to the change of the process and the specification and size without replacing the whole set of device, thereby effectively reducing the cost of the die and the manufacturing cost.
4. The two-method forming machine is improved and simplified in the positive and negative wrapping process, the connection among the working procedures is compact, the time consumption is less, and the manufacturing process precision is facilitated.
Drawings
FIG. 1 is a schematic side view of the apparatus for forward and reverse packaging of the present invention;
FIG. 2 is a schematic cross-sectional view of a portion of the structure of FIG. 1;
FIG. 3 is a side schematic view of FIG. 1;
FIG. 4 is a schematic view of the process of attaching the turn-up capsule;
FIG. 5 is a schematic view of a process for forward wrapping and stitching apex;
figure 6 is a schematic diagram of the process of inflating the capsule for turn-up.
As shown in fig. 1 to 6, a turn-up capsule 1, a finger-shaped tablet group 2, a turn-up ring 3, a buckle ring 4 and a fitting drum 5; a finger-shaped sheet seat 21, a positive-wrapping driving cylinder 22 and a roller linear bearing 23;
the device comprises a backing plate 30, a turn-up ring seat 31, a turn-up driving cylinder 32, an annular spring 33, a sliding block 34, a mounting seat 341 and an adjusting bolt 342;
the clamping ring comprises a clamping ring seat 41, a clamping ring driving air cylinder 42, a driving plate fixing seat 421, a screw 422, a push shaft 43, a sliding block 44, a mounting seat 441, an adjusting bolt 442, a bolt 45, an attached plate nylon ring 46 and a guide rail 47.
Detailed Description
the left and right symmetrically arranged tail frame is fixed on a fixed seat 421 (not shown in the figure) on the tail frame or the chassis, the turn-up capsule 1, the finger-shaped sheet group 2, the turn-up ring 3 and the buckle ring 4. Wherein,
the turn-up capsule 1 is connected with a pair of locking cylinders (not shown) capable of driving the turn-up capsule to reciprocate along the axial direction through a capsule seat (not shown), and the locking cylinders are arranged on the tail frame and fixed on a fixed seat 421 on the tail frame or the machine case.
A buckling ring 4 is sleeved on the outer circumference of the turn-up capsule 1, and a turn-up ring 3 is sleeved on the outer circumference of the buckling ring 4.
The buckling ring 4 is connected to one side of a buckling ring seat 41, and a fixed seat arranged on the tail frame or the chassis at the other side of the buckling ring seat (41) is connected with a buckling ring driving cylinder 42 for driving the buckling ring 4 to reciprocate along the axial direction.
The turn-up ring 3 is fixedly arranged on one side of the turn-up ring seat 31, the turn-up driving cylinder 32 is arranged on the buckle ring seat 41 and connected with the other side of the turn-up ring seat 31, and the annular spring 33 for pressing the triangular glue is arranged in the turn-up ring 3.
The finger-shaped sheet group 2 is sleeved on the inner circumference of the buckling ring 4, the finger-shaped sheet group 2 is arranged on the finger-shaped sheet seat 21, and the pair of forward wrapping driving cylinders 22 are arranged on the buckling ring seat 41 and connected with the finger-shaped sheet seat 21.
The turn-up ring 3 and the buckle ring 4 are driven by a turn-up driving air cylinder 32 and a buckle driving air cylinder 42 which are separately configured for the turn-up ring and the buckle ring respectively to carry out the turn-up and turn-up processes, and the control precision of the driving device is ensured and improved.
The turn-up driving cylinder 32 for performing the triangle glue pressing and turn-up processes is installed at one side of the buckle ring seat 41, and can be pushed once through the buckle ring driving cylinder 42 to complete the main stroke of the whole turn-up and turn-down process.
The retaining ring driving cylinder 42 is connected to the pushing shaft 43 through the driving plate fixing seat 421, and the pushing shaft 43 is installed on the retaining ring seat 41. The two ends of the driving plate 421 are respectively engaged with a pair of lead screws 422 through nuts nested inside.
The outer side end of the buckle ring 4 is provided with a positioning screw hole along the radial direction, and the buckle ring 4 is fixedly arranged on the buckle ring seat 41 through a bolt 45.
A self-lubricating attached plate 46 is embedded between the ring 4 and the finger plate group 2 at the inner side of the ring 4, and the attached plate nylon ring 46 can be used for reducing the friction between the ring 4 and the finger plate group 2 when the finger plate group 2 extends out and reducing the abrasion of parts caused by the friction.
A group of guide rail guide shafts 47 are arranged in the retainer ring seat 41, a pair of roller linear bearings 23 are respectively arranged at the end parts of the finger-shaped sheet seat 21, and the roller linear bearings 23 are sleeved on the guide rail guide shafts 47, so that the coaxiality of the finger-shaped sheet group 2 and the turn-up capsule 1 in the process of extending out and turning up the curtain cloth can be improved. The finger piece seat 21 pushes the finger piece group 2 out of the ring buckle 4 uniformly in the axial direction of the turn-up capsule 1 by the sliding guidance of the roller linear bearing 23 on the guide rail guide shaft 47.
In the process that the buckling ring driving cylinder 42 drives the buckling ring 4 to extend, the nuts embedded at two ends of the driving plate fixing seat 421 are guided and pushed by the lead screw 422, so that the buckling ring 4 is integrally and uniformly pushed by the driving plate fixing seat 421, the push shaft 43 and the buckling ring seat 41 in sequence, the buckling ring 4 can ensure the coaxiality with the main shaft of the fitting drum 5, and the buckling ring 4 cannot be accidentally collided and abraded with other parts or cannot be stressed.
The buckle ring 4 and the buckle ring seat 41 are of a split type and standard interface connection structure, and when the diameter size of the buckle ring 4 needs to be adjusted, the buckle ring 4 can be replaced only by detaching the bolt 45, so that other buckle ring devices can still be used.
The turn-up driving cylinder 32 has 2 double-station strokes with different propelling distances, and an interlayer backing plate 30 is lined between the turn-up driving cylinder 32 and the retainer ring seat 41.
Considering from the stroke distance of the adjustment turning-up device, when the cylinder stroke needs to be adjusted in a small range, the adjustment can be carried out by changing the number and the thickness of the base plates without replacing the cylinder device.
The bottom of the turn-up ring seat 31 and the bottom of the buckling ring seat 41 are respectively provided with a sliding block 34 and a sliding block 44 which provide sliding guide along the guide rail, and the sliding block 34 and the sliding block 44 are respectively engaged and connected with the same guide rail.
The sliding block 34 and the mounting seat 341 are fixedly connected with each other, and the mounting seat 341 is mounted at the bottom of the turn-up ring seat 31 through an adjusting bolt 342;
the slider 44 is fixedly connected with a mounting seat 441, and the mounting seat 441 is mounted at the bottom of the buckle ring seat 41 through an adjusting bolt 442.
When the coaxiality of the turn-up and ring-buckling device and the main shaft of the laminating drum needs to be adjusted, the angle of the turn-up ring seat 31 or the ring-buckling seat 41 relative to the main shaft can be adjusted only through the bolt 342 and the bolt 442.
The embodiment provides the following improvement scheme for the positive and negative wrapping method of the tire building machine:
firstly, as shown in fig. 4, a tail frame of a forming machine extends into a joint drum 5, a left locking cylinder and a right locking cylinder drive a capsule seat to extend into the joint drum 5, and reverse-wrapping capsules 1 on two sides are locked on a joint station through the capsule seat to complete the joint of an inner liner and a cord fabric;
secondly, as shown in fig. 5, the finger-shaped sheet groups 2 on the two sides are driven and pushed by a pair of forward wrapping driving cylinders 22, and are guided by the roller linear bearings 23 on the guide rail guide shafts 47 in a sliding manner, the finger-shaped sheet seats 21 on the two sides push the finger-shaped sheet groups 2 out of the inner part of the retaining ring 4 integrally and uniformly along the axial direction of the reverse wrapping capsule 1, and the cord fabric on the reverse wrapping capsule 1 is pressed down to complete the forward wrapping process;
thirdly, under the driving of the buckling ring driving cylinders 42 at the two sides, nuts embedded at the two ends of the driving plate fixing seat 421 are guided and pushed by the lead screw 422, and the driving plate fixing seat 421 synchronously drives the pushing shaft 43 to push from the two sides;
along the axial direction of the laminating drum 5, the buckling ring seat 41 drives the buckling ring (4) to be integrally and uniformly extended out of the turn-up ring 3, and the tire beads are pressed on two sides of the laminating drum 5;
the turn-up ring 3 is pushed out under the driving of a turn-up driving cylinder 32, and the apex on the tire bead is pressed on the attached tire body by an annular spring 33 in the turn-up ring 3;
fourthly, as shown in fig. 6, the finger-shaped piece groups 2 and the buckling ring 4 on the two sides respectively return to the attaching station, compressed air is introduced into the turn-up capsule 1, and the cord fabric pressed on the turn-up capsule 1 by the finger-shaped piece groups 2 is inflated and supported;
under the driving of the turn-up driving cylinder 32, the turn-up ring seat 31 pushes the turn-up ring 3 out again to the turn-up capsule 1, and the lining layers and the cord fabric attached to the two ends of the attaching drum 5 are respectively turned up on the attaching drum 5 to complete the turn-up process.
Claims (10)
1. A positive and negative wrapping device of a tire building machine comprises a fixed tail frame, a fixed seat, a negative wrapping capsule (1), a finger-shaped sheet group (2), a negative wrapping ring (3) and a buckling ring (4), wherein the fixed tail frame is symmetrically arranged on the left and the right and is fixed on the tail frame or a case;
the turn-up capsule (1) is connected with a pair of locking cylinders capable of driving the turn-up capsule to reciprocate along the axial direction through a capsule seat, and the locking cylinders are arranged on a fixed seat on the tailstock;
detain ring (4) are established to the outer circumference cover of turning over a bag capsule (1), turn over a bag ring (3), its characterized in that are established to the outer circumference cover of detaining ring (4):
the buckling ring (4) is connected to one side of a buckling ring seat (41), and a fixed seat arranged on the tail frame or the chassis and arranged on the other side of the buckling ring seat (41) is connected with a buckling ring driving cylinder (42) for driving the buckling ring (4) to reciprocate along the axial direction;
the turn-up ring (3) is fixedly arranged on one side of the turn-up ring seat (31), the turn-up driving cylinder (32) is arranged on the buckle ring seat (41) and connected with the other side of the turn-up ring seat (31), and an annular spring (33) for pressing triangular glue is arranged in the turn-up ring (3);
the finger-shaped sheet group (2) is sleeved on the inner circumference of the retaining ring (4), the finger-shaped sheet group (2) is arranged on the finger-shaped sheet seat (21), and a pair of forward wrapping driving cylinders (22) is arranged on the retaining ring seat (41) and connected with the finger-shaped sheet seat (21);
the bottoms of the turn-up ring seat (31) and the buckle ring seat (41) are respectively provided with a slide block (34) and a slide block (44) which provide sliding guide along the guide rail.
2. The tyre building machine turn-up and turn-down device according to claim 1, characterized in that: the buckling ring driving cylinder (42) is connected to the pushing shaft (43) through the driving plate fixing seat (421), and the pushing shaft (43) is installed on the buckling ring seat (41);
two ends of the driving plate fixing seat (421) are respectively meshed with a pair of lead screws (422) through nuts nested inside.
3. The tyre building machine turn-up and turn-down device according to claim 2, characterized in that: the outer side end of the buckle ring (4) is provided with a positioning screw hole along the radial direction, and the buckle ring (4) is fixedly arranged on the buckle ring seat (41) through a bolt (45).
4. The tyre building machine turn-up and turn-down device according to claim 3, characterized in that: a layer of self-lubricating attached plate nylon ring (46) is nested between the inner side of the buckle ring (4) and the finger-shaped plate group (2).
5. The tyre building machine turn-up and turn-down device according to claim 1 or 4, characterized in that: the turn-up driving cylinder (32) has 2 double-station strokes with different propelling distances, and a sandwich backing plate (30) is padded between the turn-up driving cylinder (32) and the buckle ring seat (41).
6. The tyre building machine turn-up and turn-down device according to claim 5, characterized in that: a group of guide rail guide shafts (47) are arranged in the buckle ring seat (41), a pair of roller linear bearings (23) are respectively arranged at the end parts of the finger-shaped sheet seats (21), and the roller linear bearings (23) are sleeved on the guide rail guide shafts (47).
7. The tire building machine turn-up and turn-down device according to claim 6, characterized in that: the sliding block (34) and the sliding block (44) are respectively engaged and connected with the same guide rail;
the sliding block (34) and the mounting seat (341) are fixedly connected with each other, and the mounting seat (341) is mounted at the bottom of the turn-up ring seat (31) through an adjusting bolt (342);
the sliding block (44) and the mounting seat (441) are fixedly connected with each other, and the mounting seat (441) is mounted at the bottom of the buckle ring seat (41) through an adjusting bolt (442).
8. A positive and negative wrapping method of a tire building machine is characterized by comprising the following steps: the flow steps of the method are as follows,
firstly, a tail frame of a forming machine extends into a fitting drum, a left locking cylinder and a right locking cylinder drive a capsule seat to extend into the fitting drum and reach the fitting drum, and reverse-wrapped capsules (1) on two sides are locked on a fitting station through the capsule seat so as to finish fitting of an inner liner and a cord fabric;
secondly, the finger-shaped sheet groups (2) on the two sides are driven to advance by a pair of forward wrapping driving cylinders (22), extend out of the buckling ring (4) and press down the cord fabric on the reverse wrapping capsule (1) to complete forward wrapping process;
thirdly, under the driving of the buckling ring driving cylinders (42) at the two sides, the buckling ring seat (41) drives the buckling ring (4) to extend out of the turn-up ring (3) so as to press the tire bead at the two sides of the fitting drum;
the turn-up ring (3) is pushed out under the driving of a turn-up driving cylinder (32), and the apex on the tire bead is pressed on the attached tire body by an annular spring (33) in the turn-up ring (3);
fourthly, the finger-shaped piece groups (2) and the buckling ring rings (4) on the two sides respectively return to the attaching station, compressed air is introduced into the turn-up capsule (1), and the cord fabric attached to the turn-up capsule (1) by the finger-shaped piece groups (2) is inflated and supported;
under the drive of the turn-up driving cylinder (32), the turn-up ring seat (31) pushes the turn-up ring (3) out of the turn-up capsule (1) again, and the lining layers and the cord fabric attached to the two ends of the attaching drum are respectively turned up on the attaching drum to complete the turn-up process.
9. The tire building machine turn-up and turn-down method according to claim 8, characterized in that: in the process that the buckling ring driving cylinder (42) drives the buckling ring (4) to extend out to press the tire bead, nuts embedded at two ends of a driving plate fixing seat (421) are guided and pushed by a lead screw (422), and the driving plate (421) synchronously drives a push shaft (43) to push from two sides; so as to accurately position (fix the fastening ring on the seat) (421) to drive the air cylinder (42);
the buckling ring (4) integrally and uniformly extends out of the inside of the turn-up ring (3) along the axial direction of the attaching drum.
10. The tire building machine turn-up and turn-down method according to claim 9, characterized in that: in the process that the finger-shaped sheet group (2) is pushed by the forward wrapping driving cylinder (22) to finish forward wrapping cord fabric, the finger-shaped sheet seats (21) at two sides push the finger-shaped sheet group (2) out of the inner part of the retaining ring (4) integrally and uniformly along the axial direction of the reverse wrapping capsule (1) through the sliding guide of the roller linear bearing (23) on the guide rail (47).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101386704A CN101633245B (en) | 2008-07-24 | 2008-07-24 | Turn-up and turn-down device and method thereof for tyre forming machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101386704A CN101633245B (en) | 2008-07-24 | 2008-07-24 | Turn-up and turn-down device and method thereof for tyre forming machine |
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| CN101633245A true CN101633245A (en) | 2010-01-27 |
| CN101633245B CN101633245B (en) | 2012-05-30 |
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| CN2008101386704A Active CN101633245B (en) | 2008-07-24 | 2008-07-24 | Turn-up and turn-down device and method thereof for tyre forming machine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139544A (en) * | 2014-08-06 | 2014-11-12 | 天津赛象科技股份有限公司 | Sequential and reverse wrapping device of tyre forming machine adopting twice forming method |
| CN105365243A (en) * | 2015-12-16 | 2016-03-02 | 桂林橡胶机械有限公司 | Mechanical forward and reverse wrapping spring device of all-steel giant tire forming machine |
| CN105922616A (en) * | 2016-05-23 | 2016-09-07 | 怡维怡橡胶研究院有限公司 | Tire molding method |
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