CN101992557A - Riding radial tire mechanical finger assembly drum - Google Patents

Riding radial tire mechanical finger assembly drum Download PDF

Info

Publication number
CN101992557A
CN101992557A CN2009101629274A CN200910162927A CN101992557A CN 101992557 A CN101992557 A CN 101992557A CN 2009101629274 A CN2009101629274 A CN 2009101629274A CN 200910162927 A CN200910162927 A CN 200910162927A CN 101992557 A CN101992557 A CN 101992557A
Authority
CN
China
Prior art keywords
ring
main shaft
drum
assembly
assembly drum
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2009101629274A
Other languages
Chinese (zh)
Inventor
刘尚勇
董惠民
林萍
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BEIJING JINGYIE MECHANICAL EQUIPMENT Co Ltd
Original Assignee
BEIJING JINGYIE MECHANICAL EQUIPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BEIJING JINGYIE MECHANICAL EQUIPMENT Co Ltd filed Critical BEIJING JINGYIE MECHANICAL EQUIPMENT Co Ltd
Priority to CN2009101629274A priority Critical patent/CN101992557A/en
Publication of CN101992557A publication Critical patent/CN101992557A/en
Pending legal-status Critical Current

Links

Images

Landscapes

  • Tyre Moulding (AREA)

Abstract

The invention relates to a riding radial tire mechanical finger assembly drum, comprising a main shaft, a central drum, a left and a right drum bodies that are symmetrical with each other, and further comprising a mechanical arm installed in the drum body as well as an inner support capsule and a tire bead seal ring; the outer shaft of the main shaft is connected with the main shaft of a main forming machine through a flange; the inner shaft of the main shaft is a bidirectional ballscrew pair with a left and a right screws; the central drum is installed at the central line of the assembly drum of the main shaft; the mechanical arms are respectively installed on the outer circumference of the two sides of the center of the assembly drum; both the tire bead seal ring and the inner support capsule are installed on the sliding block of the tire bead part at both sides of the center of the assembly drum. The invention has the following advantages: the rubber parts such as sidewall, inner lining, cord fabric and wrapping tape are attached on the assembly drum in sequence and the cord fabric and the radial wrapping tape at the sidewall are formed into a rolled sector by using the roller set at the front end of the mechanical arm so that the tire bead part is accurately positioned and compactly pressed with complete discharging so as to efficiently complement tire forming with high quality.

Description

Riding radial-ply tyre machinery refers to assembly drum
Technical field
The present invention relates to a kind of riding radial-ply tyre machinery and refer to assembly drum, belong to the rubber industry mechanical field.
Background technology
In tire industry, the moulding of riding radial-ply tyre once-through method, in the past capsule shaping drums that adopt wherein have the anti-package device form of three capsules and the form that single capsule anti-package adds push-plate more.Because the quality problems that capsule is made, many damages amount is just big more more in use to find capsule, and the quantity of changing capsule will increase, and additionally increase a large amount of maintenance capacities, have a strong impact on production efficiency.The structure of the interior gripper shoe of tyre bead inboard, the requirement of incompatibility domestic production.Finished tire bubble occurs in the interior outside of tyre bead, has influenced the quality of finished tire.The half steel radial-ply tyre once-through method machinery of my company development before refers to assembly drum, the tire ring seal position, when anti-package, between the bearing assembly of mechanical arm and the interior support capsule when pressing tyre bead the displacement phenomenon is arranged, and the bearing assembly of mechanical arm is overweight; In order to satisfy the demand of domestic high accuracy radial tyre production, the homemade riding radial-ply tyre machinery of developing new practicality and high efficiency refers to that assembly drum becomes the task of top priority.
Summary of the invention
The object of the present invention is to provide a kind of riding radial-ply tyre machinery to refer to assembly drum, adopt capsule shaping drum and half steel radial-ply tyre once-through method machinery to refer to assembly drum, have above-mentioned many deficiencies to overcome existing half steel radial-ply tyre once-through method moulding.
The objective of the invention is to be achieved through the following technical solutions:
A kind of riding radial-ply tyre machinery refers to assembly drum, comprise main shaft, central dram, symmetrically left and right two drum bodies, also comprise the mechanical arm and interior capsule and the tire ring seal ring of supporting that are located in the bulging body, described main shaft is made up of inside and outside axle, the outer shaft of main shaft links to each other with the main shaft of main make-up machine by ring flange, the interior axle of main shaft is the ball screw assembly, of two-way left and right spiral, the right-hand member of ball screw assembly, links to each other with the mandrel of main make-up machine by link button and passes through bearings with the inner chamber aperture of outer shaft, and the left end of ball screw assembly, is by the afterbody of bearings at outer shaft; Insert in the draw-barring upper end of feather key, the lower end of feather key is inserted in the nut apparatus of ball screw assembly, and is axially moved in the main shaft elongated slot, described feather key be provided with tooth bar and and gears engaged, described central dram is installed in the assembly drum centerline of main shaft, central dram comprises disc and waistband, disc is fixed by four fulcrums and waistband, the internal diameter of disc at alignment of shafts place by two straight pins and main shaft location and fastening with long threaded rod; Described mechanical arm is separately positioned on machinery and refers on the excircle of both sides, assembly drum center, mechanical arm comprises pressure roller assembly, arm and cushion rubber, the pressure roller assembly is located at the front end of mechanical arm, described pressure roller assembly is made up of diameter difference, tandem two pressure rollers, the rear end of mechanical arm is located at guide holder and props up in the formed deep-slotted chip breaker of jib, and ring, cylinder body outer shroud, outer gland and piston ring constitute the acting cylinder of mechanical arm in the described cylinder body; Be fixed with arm seat on the front end face of ring in the cylinder body, the pressure roller assembly of mechanical arm front end is located in the shape groove of arm seat, on the cylinder body outer shroud of acting cylinder at interval be fixed with cover plate, the acting cylinder piston ring is terminal to be fixed with guide holder, is provided with two long guide rods between piston ring and the guide holder;
Described tire ring seal ring and interior support capsule are arranged on the slide block that machinery refers to both sides, assembly drum center tyre bead portion, the tire ring seal ring is located in the groove of upper end of slide block, the lower end of tire ring seal ring clamps by cylinder body and sliding plate, the lower end of slide block is the inclined-plane and matches with the conical surface of taper sheath, described taper sheath is fixed on the distribution ring of ring in the cylinder body, fix two pistons on the described distribution ring, be fixed with the ventilation gland on the internal diameter end face of ring in the cylinder body, the ventilation gland is slidingly matched by lining and main shaft, and the draw-barring of the external side of drum is fixed with the ventilation gland; Ventilation ring, ventilation gland and distribution ring are equipped with the passage that source of the gas is provided;
Support the inboard that capsule is positioned at the tire ring seal ring in described, the interior bulge loop that supports the capsule upper end embeds in the groove of tire ring seal ring cylindrical, and when spreading, compress sealing, the interior rim of the mouth of supporting the capsule other end is fixed by capsule support ring and left and right pressure ring, has a plurality of elongated slots on the circumference of described left and right pressure ring; Cylinder body and cylinder cap and piston constitute acting cylinder, described capsule support ring internal diameter and cylinder cap secure fit, the conical surface of piston and the inclined-plane of interior support slipper match, under aeration status, interior support slipper is along the end face guiding of support ring, radiation radially outward, under the effect of vacuum, back-moving spring and reset that cushion rubber resets and lead by guide rod.
Beneficial effect of the present invention is: the present invention fits rubber components such as sidewall, inner liner, cord, infantees order on assembly drum, adopt the different and tandem roller set of diameter of mechanical arm front end, the radial anti-package of cord and sidewall is formed the sector of roll extrusion, interior support slipper during pressing in the interior support capsule of the roller set of mechanical arm and tyre bead inboard cooperates pressing, it is closely knit to make tyre bead portion accurately locate pressing, exhaust is thorough, can efficient, high-qualityly finish tire building.
Description of drawings
With reference to the accompanying drawings the present invention is described in further detail below.
Fig. 1 is the overall structure schematic diagram that the described riding radial-ply tyre machinery of the embodiment of the invention refers to assembly drum;
Fig. 2 is that the described riding radial-ply tyre machinery of the embodiment of the invention is when referring to that the assembly drum mechanical arm closes up and cover plate arrangement position schematic diagram in opposite directions;
Fig. 3 is the fundamental diagram that the described riding radial-ply tyre machinery of the embodiment of the invention refers to the assembly drum mechanical arm;
Fig. 4 is the structural representation of mechanical arm among Fig. 3;
Fig. 5 supports the support ring of capsule and the fundamental diagram of tire ring seal ring in the described riding radial-ply tyre machinery of the embodiment of the invention refers in the assembly drum;
Fig. 6 a is the front view that the described riding radial-ply tyre machinery of the embodiment of the invention refers to the assembly drum central dram;
Fig. 6 b is the cutaway view that the described riding radial-ply tyre machinery of the embodiment of the invention refers to the assembly drum central dram.
Among the figure: 1, main shaft; 2, central dram; 3, rouse body; 4, link button; 5, ball screw assembly; 6, tire ring seal ring; 7, feather key; 8, mechanical arm; 9, interior support capsule; 10, ring in the cylinder body; 11, piston ring; 12, long guide rod; 13, cylinder body outer shroud; 14, outer gland; 15, guide holder; 16, prop up jib; 17, arm seat; 18, nip drum assembly; 19, arm; 20, cushion rubber; 21, ventilation ring; 22, ventilation gland; 23, piston; 24, distribute ring; 25, taper sheath; 26, sliding plate; 27, slide block; 28, interior support slipper; 29, capsule support ring; 30, cylinder body; 31, left and right pressure ring; 32, disc; 33, waistband; 34, gear; 35, draw-barring; 36, cover plate; 37, back-moving spring; 38, the cushion rubber that resets; 39, cylinder cap; 40, piston; 41, nut apparatus.
The specific embodiment
Shown in Fig. 1-5, the described a kind of riding radial-ply tyre machinery of the embodiment of the invention refers to assembly drum, comprise main shaft 1, central dram 2, left symmetrically, right two drum bodies 3, also comprise the mechanical arm 8 and interior capsule 9 and the tire ring seal ring 6 of supporting that are located in the bulging body, described main shaft 1 is by interior, outer shaft is formed, the outer shaft of main shaft 1 links to each other with the main shaft of main make-up machine by ring flange, the interior axle of main shaft 1 is a two-way left side, the ball screw assembly, 5 of right-hand screw, the right-hand member of ball screw assembly, 5 links to each other with the mandrel of main make-up machine by link button 4 and passes through bearings with the inner chamber aperture of outer shaft, and the left end of ball screw assembly, 5 is by the afterbody of bearings at outer shaft; Insert in the draw-barring 35 upper end of feather key 7, and the lower end of feather key 7 is inserted in the nut apparatus 41 of ball screw assembly, 5 and axially moved in the main shaft elongated slot, and described feather key 7 is provided with rack and pinion 34 engagements;
Show as Fig. 6 a, 6b, central dram 2 is installed in the assembly drum centerline of main shaft, central dram 2 comprises disc 32 and waistband 33, disc 32 is fixing by four fulcrums and waistband 33, by two straight pins and main shaft location and fastening with long threaded rod, change with the difference of product by the width of waistband at alignment of shafts place for the internal diameter of disc 32; Described mechanical arm 8 is separately positioned on machinery and refers on the excircle of both sides, assembly drum center, mechanical arm 8 comprises pressure roller assembly 18, arm 19 and cushion rubber 20, pressure roller assembly 18 is located at the front end of mechanical arm 8, described pressure roller assembly 18 is made up of diameter difference, tandem two pressure rollers, and the rear end of mechanical arm 8 is located at guide holder 15 and props up in the jib 16 formed deep-slotted chip breakers; Ring 10, cylinder body outer shroud 13, outer gland 14 and piston ring 11 constitute the acting cylinder of mechanical arm in the cylinder body; Be fixed with arm seat 17 on the front end face of ring 10 in the cylinder body, the pressure roller assembly 18 of mechanical arm 8 front ends is located in the shape groove of arm seat 17, on the cylinder body outer shroud 13 at interval be fixed with cover plate 36, piston ring 11 is terminal fixing with guide holder 15, is provided with two long guide rods 12 between piston ring 11 and the guide holder 15;
Described tire ring seal ring 6 and interior support capsule 9 are arranged on the slide block 27 that machinery refers to both sides, assembly drum center tyre bead portion, tire ring seal ring 6 is located in the groove of upper end of slide block, the lower end of tire ring seal ring 6 clamps by cylinder body 30 and sliding plate 26, the lower end of slide block 27 is the inclined-plane and matches with the conical surface of taper sheath 25, described taper sheath 25 is fixed on the distribution ring 24 of ring 10 in the cylinder body, fix two pistons on the described distribution ring 24, be fixed with ventilation gland 22 in the cylinder body on the internal diameter end face of ring 10, ventilation gland 22 is slidingly matched by lining and main shaft, and the draw-barring 35 of the external side of drum is fixing with ventilation gland 22; Ventilation ring 21, ventilation gland 22 and distribution ring 24 are equipped with the passage that source of the gas is provided;
Support the inboard that capsule 9 is positioned at tire ring seal ring 6 in described, the interior bulge loop that supports capsule 9 upper ends embeds in the groove of tire ring seal ring 6 cylindricals, and when spreading, compress sealing, the interior rim of the mouth of supporting capsule 9 other ends is fixed by capsule support ring 29 and left and right pressure ring 31, has a plurality of elongated slots on the circumference of described left and right pressure ring 31; Cylinder body 30 constitutes acting cylinder with cylinder cap 39 and piston 40, described capsule support ring 29 internal diameters and cylinder cap 39 secure fit, the inclined-plane of the conical surface of piston 40 and interior support slipper 28 matches, under aeration status, interior support slipper 28 is along the end face guiding of support ring 29, radiation radially outward, under the effect of vacuum, the back-moving spring 37 and the cushion rubber 38 that resets reset and are led by guide rod.
The course of work that riding radial-ply tyre machinery of the present invention refers to assembly drum is as follows: at first the rubber components and the composite members of fitting (comprised inner liner, cord, steel ring) gets ready, start machinery and refer to the assembly drum rotation, the machinery that is fitted in of each part order is referred on the assembly drum, pneumatic promotion taper sheath, with slide block along the radial groove on the sliding plate, radially outward open, tyre bead is adjusted a left side in location, sealing ring place and locking by ball screw assembly,, right drum body makes tyre bead portion move to the position of technological requirement, support slipper spreading radially under the tapered piston effect in when supporting the capsule inflation in this moment is pushed the interior support capsule of inflation to the inboard of tyre bead.The pressure roller assembly of left and right mechanical arm moves down together at the work of cylinder, and rise to the tyre bead place along the inclined-plane of arm seat, with cord and sidewall in the state anti-package of pre-setting the outside at carcass, under inside and outside pressing, make the tyre bead portion accurate positioning, pressing is closely knit, and air is discharged, at last tyre surface and band bundle sub-assembly are fitted and compacting, so far the tire base of tire refers to finish on the assembly drum whole technical process at riding radial-ply tyre machinery.
The foregoing description is explanation of the present invention, is not limitation of the invention, any structure after the simple transformation of the present invention is all belonged to protection scope of the present invention.

Claims (6)

1. a riding radial-ply tyre machinery refers to assembly drum, comprise main shaft (1), central dram (2), a symmetrical left side, right drum body (3), it is characterized in that: also comprise the mechanical arm (8) that is located in the bulging body, interior capsule (9) and the tire ring seal ring (6) of supporting, described main shaft (1) is by interior, outer shaft is formed, the outer shaft of main shaft (1) links to each other with the main shaft of main make-up machine by ring flange, the interior axle of main shaft (1) is a two-way left side, the ball screw assembly, of right-hand screw (5), the right-hand member of ball screw assembly, (5) links to each other with the mandrel of main make-up machine by link button (4) and passes through bearings with the inner chamber aperture of outer shaft, and the left end of ball screw assembly, (5) is by the afterbody of bearings at outer shaft; Described central dram (2) is installed in the assembly drum centerline of main shaft, described mechanical arm (8) is separately positioned on machinery and refers on the excircle of both sides, assembly drum center, and described tire ring seal ring (6) and interior support capsule (9) are arranged on the slide block (27) that machinery refers to both sides, assembly drum center tyre bead portion.
2. riding radial-ply tyre machinery according to claim 1 refers to assembly drum, it is characterized in that: mechanical arm (8) comprises pressure roller assembly (18), arm (19) and cushion rubber (20), pressure roller assembly (18) is located at the front end of mechanical arm (8), described pressure roller assembly (18) is made up of diameter difference, tandem two pressure rollers, and the rear end of mechanical arm (8) is located at guide holder (15) and props up in the formed deep-slotted chip breaker of jib (16); Ring (10), cylinder body outer shroud (13), outer gland (14) and piston ring (11) constitute the acting cylinder of mechanical arm in the cylinder body; Be fixed with arm seat (17) on the front end face of ring (10) in the cylinder body, the pressure roller assembly (18) of mechanical arm (8) front end is located in the shape groove of arm seat (17), cylinder body outer shroud (13) go up at interval be fixed with cover plate (36), piston ring (11) is terminal fixing with guide holder (15), is provided with two long guide rods (12) between piston ring (11) and the guide holder (15).
3. riding radial-ply tyre machinery according to claim 1 refers to assembly drum, it is characterized in that: tire ring seal ring (6) is located in the groove of upper end of slide block, the lower end of tire ring seal ring (6) clamps by cylinder body (30) and sliding plate (26), the lower end of slide block (27) is the inclined-plane and matches with the conical surface of taper sheath (25), described taper sheath (25) is fixed on the distribution ring (24) of ring (10) in the cylinder body, distribute on the ring (24) and be fixed with two pistons, be fixed with ventilation gland (22) in the cylinder body on the internal diameter end face of ring (10), ventilation gland (22) is slidingly matched by lining and main shaft, and the draw-barring (35) of the external side of drum is fixing with ventilation gland (22); Ventilation ring (21), ventilation gland (22) and distribution ring (24) are equipped with the passage that source of the gas is provided.
4. refer to assembly drum according to each described riding radial-ply tyre machinery of claim 1-3, it is characterized in that: support the inboard that capsule (9) is positioned at tire ring seal ring (6) in described, the interior bulge loop that supports capsule (9) upper end embeds in the groove of tire ring seal ring (6) cylindrical, and when spreading, compress sealing, the interior rim of the mouth of supporting capsule (9) other end is fixed by capsule support ring (29) and left and right pressure ring (31), has a plurality of elongated slots on the circumference of described left and right pressure ring (31); Cylinder body (30) constitutes acting cylinder with cylinder cap (39) and piston (43), described capsule support ring (29) internal diameter and cylinder cap (39) secure fit, and the inclined-plane of the conical surface of piston (40) and interior support slipper (28) matches.
5. refer to assembly drum according to each described riding radial-ply tyre machinery of claim 1-3, it is characterized in that: central dram (2) comprises disc (32) and waistband (33), disc (32) is fixing by four fulcrums and waistband (33), and the internal diameter of disc (32) is located by two straight pins and main shaft (1) at alignment of shafts place and be fastening with long threaded rod.
6. refer to assembly drum according to each described riding radial-ply tyre machinery of claim 1-3, it is characterized in that: insert in the draw-barring (35) upper end of feather key (7), axially move in the nut apparatus (41) of the lower end insertion ball screw assembly, (5) of feather key (7) and in the main shaft elongated slot, described feather key (7) is provided with tooth bar and meshes with gear (34).
CN2009101629274A 2009-08-20 2009-08-20 Riding radial tire mechanical finger assembly drum Pending CN101992557A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009101629274A CN101992557A (en) 2009-08-20 2009-08-20 Riding radial tire mechanical finger assembly drum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009101629274A CN101992557A (en) 2009-08-20 2009-08-20 Riding radial tire mechanical finger assembly drum

Publications (1)

Publication Number Publication Date
CN101992557A true CN101992557A (en) 2011-03-30

Family

ID=43783530

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009101629274A Pending CN101992557A (en) 2009-08-20 2009-08-20 Riding radial tire mechanical finger assembly drum

Country Status (1)

Country Link
CN (1) CN101992557A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013083087A1 (en) * 2011-12-07 2013-06-13 Yuan Zhongxue Tyre carcass assembly pressing apparatus and method therefor
CN104956195A (en) * 2013-01-31 2015-09-30 米其林集团总公司 Tread cracking inspection device
CN105773878A (en) * 2016-05-13 2016-07-20 中策橡胶集团有限公司 Forming mold of tire building capsule body
CN105818408A (en) * 2016-05-13 2016-08-03 中策橡胶集团有限公司 Tire molding capsule device and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1705555A (en) * 2002-10-16 2005-12-07 Vmi荷兰埃珀公司 Tyre drum with turn-up mechanism
CN1788991A (en) * 2004-12-17 2006-06-21 固特异轮胎和橡胶公司 Interlaced bead lock segments for tire building drum
CN101200117A (en) * 2006-12-12 2008-06-18 天津市橡塑机械研究所有限公司 Mechanical assembly drum with attaching and compacting functions
CN201214288Y (en) * 2008-06-02 2009-04-01 北京敬业机械设备有限公司 Half steel meridian tyre one stage mechanical finger building drum

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1705555A (en) * 2002-10-16 2005-12-07 Vmi荷兰埃珀公司 Tyre drum with turn-up mechanism
CN1788991A (en) * 2004-12-17 2006-06-21 固特异轮胎和橡胶公司 Interlaced bead lock segments for tire building drum
CN101200117A (en) * 2006-12-12 2008-06-18 天津市橡塑机械研究所有限公司 Mechanical assembly drum with attaching and compacting functions
CN201214288Y (en) * 2008-06-02 2009-04-01 北京敬业机械设备有限公司 Half steel meridian tyre one stage mechanical finger building drum

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013083087A1 (en) * 2011-12-07 2013-06-13 Yuan Zhongxue Tyre carcass assembly pressing apparatus and method therefor
CN104956195A (en) * 2013-01-31 2015-09-30 米其林集团总公司 Tread cracking inspection device
CN104956195B (en) * 2013-01-31 2018-07-31 米其林集团总公司 Tyre surface cracking check device
CN105773878A (en) * 2016-05-13 2016-07-20 中策橡胶集团有限公司 Forming mold of tire building capsule body
CN105818408A (en) * 2016-05-13 2016-08-03 中策橡胶集团有限公司 Tire molding capsule device and preparation method thereof
CN105818408B (en) * 2016-05-13 2019-01-18 中策橡胶集团有限公司 A kind of tyre moulding capsules device and preparation method thereof

Similar Documents

Publication Publication Date Title
CN101992557A (en) Riding radial tire mechanical finger assembly drum
CN101670677A (en) Three-drum radial tire forming machine
CN109203534B (en) Secondary radial expansion type forming drum
CN109203532A (en) A kind of semi-steel radial tire adjustable diameter setting drum
CN201214288Y (en) Half steel meridian tyre one stage mechanical finger building drum
CN102745556B (en) Mechanical expansion shaft of air control C-shaped rings
CN100480029C (en) Reverse-wrapped capsule apparatus of tyre former
CN1162270C (en) One-pass shaper for load-beary full-wire meridian tyre
CN201880810U (en) Pipe end bottleneck type necking mould for pipes
CN201693778U (en) Mechanical finger forming drum of meridian tire for passenger
CN202114146U (en) Half shaft bushing forming frock
CN101954422A (en) Spinning deviation-correcting method for punching-pulling steel bottle tube wall thickness
CN101224633A (en) Single-rod double-wheel mechanical anti-wrapping metal drum
CN101554781A (en) Tire forming method of half-drum half-core wheel type forming drum by one-step method
CN101642963B (en) Finger-shaped turning down device for tyre molding machine
CN109382435A (en) A kind of internal rolling equipment
CN200967277Y (en) Tyre builder turn up bladder device
CN201863422U (en) Paper tube forming core rod
CN208296804U (en) Clamping device is used in a kind of detection of motor turning screw rod internal orifice dimension
CN109203533B (en) Semi-steel two-section shaping drum with adjustable expansion and contraction diameter
CN201169061Y (en) Double-rod double-wheel mechanical anti-wrapping metal drum
CN211138202U (en) Engineering tire mechanical drum
CN205705381U (en) All-steel radial tyre molding anti-package device
CN207642076U (en) A kind of steel tube embossing machine
CN202412721U (en) Belted layer drum of tire molding machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20110330