CN116442576A - A device and belted layer structure of borduring for radial tire production - Google Patents
A device and belted layer structure of borduring for radial tire production Download PDFInfo
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- CN116442576A CN116442576A CN202310401838.0A CN202310401838A CN116442576A CN 116442576 A CN116442576 A CN 116442576A CN 202310401838 A CN202310401838 A CN 202310401838A CN 116442576 A CN116442576 A CN 116442576A
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- profiling
- edge
- belt
- pinch roller
- roller mechanism
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 145
- 239000004744 fabric Substances 0.000 claims abstract description 73
- 239000002390 adhesive tape Substances 0.000 claims abstract description 46
- 238000003825 pressing Methods 0.000 claims abstract description 27
- 238000005096 rolling process Methods 0.000 claims abstract description 16
- 238000007688 edging Methods 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000005253 cladding Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 14
- 238000005516 engineering process Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 6
- 230000002349 favourable effect Effects 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 239000004831 Hot glue Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 3
- 239000011324 bead Substances 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009957 hemming Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/28—Rolling-down or pressing-down the layers in the building process
Abstract
The application discloses a wrapping device and a belt ply wrapping structure for radial tire production, which relate to the field of tire production technology and comprise a mounting rack, wherein the mounting rack is provided with a conveyor belt for conveying belt ply fabrics, two extruders for extruding wrapping adhesive tapes and two profiling mechanisms for extruding and wrapping the wrapping adhesive tapes to the edges of the belt ply fabrics; the two profiling mechanisms are respectively arranged corresponding to the two extruders, the two profiling mechanisms are respectively arranged on two sides of the conveyor belt in a relative mode, the profiling mechanisms comprise an upper profiling roller and a lower profiling roller, the upper profiling roller and the lower profiling roller are used for jointly rolling the edge-wrapping adhesive tape, a profiling angle is formed between the upper profiling roller and the lower profiling roller, an edge-pressing flange is arranged at one end, close to the conveyor belt, of the upper profiling roller, and the edge-pressing flange is used for extruding the edge-wrapping adhesive tape at the edge part of the upper surface of the belt curtain cloth to form an extending edge. The method and the device can improve the edge wrapping efficiency and the edge wrapping quality of the belt ply.
Description
Technical Field
The present application relates to the field of tire production technology, and in particular, to an edge covering device and a belt layer edge covering structure for radial tire production.
Background
Tires can be classified into oblique tires and radial tires according to the direction in which tire cords are arranged. In the manufacture of tires, a belt ply cutting machine is generally adopted to cut a belt ply into parallelogram-shaped belt ply strips according to the width and angle requirements set by a process, then the cut belt ply strips are automatically spliced in sequence, and then the two side edges are covered.
In the taping work, the taping film is manufactured and wound into a roll in advance, then the film is led out at a speed matched with that of the belt ply fabric, the adhesive taping is implemented, and finally the belt ply fabric after the adhesive taping is rolled into a required material roll by a coiling device for the next working procedure. Because the film has poor flexibility and ductility, the compactness of the bonding in the belt ply after bonding and edge covering is poor, and the quality of the tire is greatly influenced.
Disclosure of Invention
In order to solve the problem that the belt layer of the radial tyre is poor in quality in a film edge wrapping mode, the application provides an edge wrapping device and a belt layer edge wrapping structure for radial tyre production.
The application provides a device and belted layer structure of borduring for radial tire production adopts following technical scheme:
the device comprises a mounting frame, wherein the mounting frame is provided with a conveyor belt for conveying belt ply fabrics, two extruders for extruding the edge-wrapping adhesive tapes and two profiling mechanisms for extruding and cladding the edge-wrapping adhesive tapes to the edges of the belt ply fabrics; the two profiling mechanisms are respectively arranged corresponding to the two extruders, the two profiling mechanisms are respectively arranged on two sides of the conveyor belt in a relative mode, the profiling mechanisms comprise an upper profiling roller and a lower profiling roller, the upper profiling roller and the lower profiling roller are used for jointly rolling the edge wrapping adhesive tape, a profiling angle is formed between the upper profiling roller and the lower profiling roller, the upper profiling roller is close to one end of the conveyor belt, a pressing edge flange is arranged on the outer peripheral surface of the pressing edge flange and is a conical surface, an included angle between the outer peripheral surface of the pressing edge flange and the outer peripheral surface of the main body part of the upper profiling roller faces the inner side of the profiling angle, and the pressing edge flange is used for extruding the edge wrapping adhesive tape on the edge part of the upper surface of the belt ply cord fabric to form an extending edge.
Through adopting above-mentioned technical scheme, the extruder is continuous to extrude the adhesive tape of borduring, and the adhesive tape of borduring is uncooled, directly coats in the side of belted layer curtain cloth under the extrusion effect of profiling mechanism and forms the bordure, is favorable to improving the efficiency of borduring of belted layer curtain cloth to the adhesive tape of borduring is with the marginal position of hot glue attached mode cladding belted layer curtain portion, and the belted layer is borduring is difficult for producing bubble or bulge, is favorable to improving the compactness of borduring, thereby is favorable to guaranteeing the quality of borduring. In the process of jointly rolling the edge-wrapping adhesive tape by the upper profiling roller and the lower profiling roller of the profiling mechanism, the edge-pressing flange of the upper profiling roller can form an extending edge on the upper surface of the belt ply cord fabric by the edge-wrapping adhesive tape, and the extending edge of the edge-wrapping adhesive tape can increase the bonding area between the bag Bian Jiaotiao and the belt ply cord fabric so as to ensure that the connection between the bag Bian Jiaotiao and the belt ply edge-wrapping is reliable.
Optionally, the conical surface of the edge pressing flange is provided with a plurality of pressing convex points
By adopting the technical scheme, the pressurizing convex points on the flattening flange can continuously extrude the extending edge which is being formed in the rotating process of the upper profiling roller, and the adhesive effect between the extending edge and the belt ply can be improved under the action of the pressurizing convex points.
Optionally, one end that the profiling roller is kept away from down is equipped with first limit flange, the profiling roller is kept away from the one end of conveyer belt is equipped with the second limit flange, first limit flange with correspond from top to bottom between the second limit flange and set up, the outer peripheral face butt of first limit flange the outer peripheral face of second limit flange.
Through adopting above-mentioned technical scheme, the adhesive tape of borduring accepts extruded in the die mould angle region of die mould mechanism, the sizing material of adhesive tape of borduring is mainly to the direction moulding flow that is close to the belted layer curtain cloth, but the sizing material of adhesive tape of borduring receives the barrier effect on belted layer curtain cloth edge, can appear to the direction moulding flow of die mould angle inboard, the in-process that the sizing material of adhesive tape of borduring flows to the die mould inboard along last die mould roller and lower die mould roller's surface, first limit flange and second limit flange can form the barrier effect to the sizing material shape flow of adhesive tape of borduring to reduce the sizing material of adhesive tape of borduring and overflow from the die mould angle region.
Optionally, the installation frame is equipped with the pinch roller mechanism, the pinch roller mechanism is located two between the profiling mechanism, the pinch roller mechanism includes last pinch roller and lower pinch roller, the pinch roller mechanism is used for the roll-in belted layer curtain cloth be close to the position of profiling mechanism.
By adopting the technical scheme, the upper pinch roller and the lower pinch roller of the pinch roller mechanism can pinch the part of the belt ply close to the profiling mechanism, so that the part of the belt ply, which is to be covered by the edge-covering adhesive tape through the profiling mechanism, is kept stable, and the edge-covering adhesive tape can be reliably adhered to the edge part of the belt ply edge-covering under the action of the profiling mechanism.
Optionally, the pinch roller mechanism is used for full width scope roll-in belted layer curtain cloth, the pinch roller mechanism is provided with two, two pinch roller mechanism is defined as first pinch roller mechanism and second pinch roller mechanism respectively, first pinch roller mechanism with set up side by side along the direction of transfer of conveyer belt between the second pinch roller mechanism, the roll-in speed of first pinch roller mechanism with the transfer rate of conveyer belt is the same, the roll-in speed of first pinch roller mechanism is less than the roll-in speed of second pinch roller mechanism, the conveyer belt passes through first pinch roller mechanism, profiling mechanism and second pinch roller mechanism in proper order during operation.
Through adopting above-mentioned technical scheme, the conveyer belt is through first pinch roller mechanism, profiling mechanism and second pinch roller mechanism in proper order during operation, the position that the adhesive tape of borduring was bordured through profiling mechanism is located between first pinch roller mechanism and the second pinch roller mechanism, owing to have the speed difference between first pinch roller mechanism and the second pinch roller mechanism, and the roll-in speed of the second pinch roller mechanism of back roll-in belted layer curtain cloth is great, make the belted layer curtain cloth be located the position between first pinch roller mechanism and the second pinch roller mechanism can keep tensioning, and owing to the pinch roller mechanism can the rolling belted layer curtain cloth of full width scope, be favorable to making the belted layer curtain cloth wait to bordure the position of position as far as keep stiff, and level, and then be favorable to guaranteeing the quality of bordure.
Optionally, two ends of an upper pinch roller of the first pinch roller mechanism are respectively provided with a guide flange, and the two guide flanges are respectively used for abutting against two side edges of the belt ply.
Through adopting above-mentioned technical scheme, the guide flange that is located the last pinch roller both ends of first pinch roller mechanism can be to the formation guide effect of belted layer curtain cloth, makes the position relation along width direction between belted layer curtain cloth and the conveyer belt remain stable, also can make the position between belted layer curtain cloth and the profiling mechanism remain stable simultaneously.
Optionally, the terminal surfaces of two the opposite ends of direction flange are equipped with spacing protruding respectively, spacing protruding diameter is less than the diameter of direction flange, two spacing protruding are used for the edge of the rubber main part of butt belted layer curtain cloth respectively.
By adopting the technical scheme, the guide flange is used for abutting the exposed cord end part of the edge of the belt ply cord, and the limit bulge is used for abutting the rubber main body of the belt ply cord, so that the belt ply cord is subjected to double guide function in the conveying process.
Optionally, the installing frame is equipped with supplementary blank holder mechanism, supplementary blank holder mechanism includes driving pulley, driven pulley and drive belt, the driving pulley with the axis of driven pulley is along vertical setting, the drive belt respectively with the driving pulley with driven pulley winds to establish and is connected, the drive belt is provided with the slot along self extending direction overall length, the slot is used for dodging the cladding in the rubber strip of borduring of belted layer curtain cloth.
Through adopting above-mentioned technical scheme, after the molding mechanism extrudeed the adhesive tape of borduring and cladding to the edge of belted layer curtain cloth, auxiliary beading mechanism's drive belt can apply the effort along belted layer bordure width direction to newly-produced bordure position, and auxiliary beading mechanism can carry out the pressurize to newly-produced bordure promptly, is favorable to guaranteeing the steadiness of being connected between bordure and the belted layer curtain cloth. The grooves of the driving belt can avoid the edge wrapping, so that the interaction force between the edge wrapping and the driving belt is parallel to the width direction of the belt ply cord fabric as much as possible.
The belt ply edge covering structure comprises an edge covering main body and an extending edge, wherein the cross section of the edge covering main body is a right triangle, the extending edge is positioned on one sharp corner edge of the edge covering main body, and the extending edge is pressed and adhered to the upper surface of a belt ply cord fabric through a pressing edge flange.
By adopting the technical scheme, the binding main body of the binding structure of the belt ply is glued and bonded with the edge of the curtain part of the belt ply, and the exposed end of the curtain wire after the edge of the curtain cloth of the belt ply is cut is wrapped in the binding main body, so that the purpose of binding the curtain cloth of the belt ply is realized. The edge-covering structure is adhered to the edge of the belt curtain cloth through the edge-covering main body, and is adhered to the upper surface of the edge part of the belt curtain cloth through the extending edge, so that the edge-covering structure is reliably connected with the belt curtain cloth.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the extruder continuously extrudes the edge-wrapping adhesive tape, the edge-wrapping adhesive tape is not cooled, and is directly wrapped on the side edge of the belt ply cord to form edge-wrapping under the extrusion action of the profiling mechanism, so that the edge-wrapping efficiency of the belt ply cord is improved, the edge part of the belt ply cord is wrapped by the edge-wrapping adhesive tape in a hot glue attaching mode, bubbles are not easy to generate in the belt edge-wrapping process, the compactness of the edge-wrapping process is improved, and the quality of the edge-wrapping process is guaranteed. In the process of jointly rolling the edge-wrapping adhesive tape by an upper profiling roller and a lower profiling roller of the profiling mechanism, an edge-pressing flange of the upper profiling roller can form an extending edge on the upper surface of the belt ply cord fabric by the edge-wrapping adhesive tape, and the extending edge of the edge-wrapping adhesive tape can increase the bonding area between the bag Bian Jiaotiao and the belt ply cord fabric so as to ensure reliable connection between the bag Bian Jiaotiao and the belt ply edge-wrapping;
2. after the profiling mechanism extrudes and wraps the edge of the belt ply cord fabric, the driving belt of the auxiliary edging mechanism can apply acting force along the width direction of the belt ply edging to the newly-formed edging position, namely, the auxiliary edging mechanism can maintain the pressure of the newly-formed edging, so that the connection stability between the edging and the belt ply cord fabric is guaranteed. The grooves of the driving belt can avoid the edge wrapping, so that the interaction force between the edge wrapping and the driving belt is parallel to the width direction of the belt ply cord fabric as much as possible.
Drawings
Fig. 1 is a schematic top view of the hemming device of embodiment 1.
Fig. 2 is a schematic view showing the positional relationship between the profiling mechanism and the belt ply according to example 1.
Fig. 3 is a partially enlarged view at a in fig. 2.
Fig. 4 embodiment 1 is a schematic view for embodying the positional relationship between the first pinch roller mechanism and the belt ply.
Fig. 5 is a schematic diagram of the connection relationship between the belt and the edge-covering adhesive tape in example 1.
Fig. 6 is a schematic view of the profiling mechanism of embodiment 2.
Reference numerals illustrate:
1. a frame is installed; 2. a conveyor belt; 3. an extruder; 4. a profiling mechanism; 41. a pressing roller; 411. a second limit flange; 42. a pressing roller; 421. a first limit flange; 43. profiling angles; 44. edge pressing flanges; 5. a guide wheel; 6. a pinch roller mechanism; 601. a first pinch roller mechanism; 602. a second pinch roller mechanism; 61. an upper pinch roller; 611. a guide flange; 612. a limit protrusion; 62. a lower pinch roller; 7. an auxiliary edge pressing mechanism; 71. a driving pulley; 72. a driven pulley; 73. a transmission belt; 731. a groove; 8. belt ply cord fabric; 9. a bag Bian Jiaotiao; 91. a hemming body; 92. extending the edge.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
Example 1
The embodiment of the application discloses a wrapping device and a belt layer wrapping structure for radial tire production. Referring to fig. 1, the edge covering device for radial tire production comprises a mounting frame 1, wherein the mounting frame 1 is provided with a conveyor belt 2 for conveying belt ply fabrics 8, two extruders 3 for extruding edge covering rubber strips 9 and two profiling mechanisms 4 for extruding and covering the edge of the belt ply fabrics 8 with the edge covering rubber strips 9, the extrusion outlet of the extruders 3 is a round opening, the two profiling mechanisms 4 are respectively arranged corresponding to the two extruders 3, and the two profiling mechanisms 4 are respectively arranged on two sides of the conveyor belt 2 in a relative mode.
When the edge covering device works, the conveyor belt 2 continuously conveys the cut and re-spliced belt ply cloth 8, the extruders 3 positioned at two sides of the conveyor belt 2 continuously extrude the edge covering adhesive tapes 9, and when the belt ply cloth 8 passes through the two profiling mechanisms 4, the two profiling mechanisms 4 respectively continuously squeeze and cover the edge covering adhesive tapes 9 which are not cooled to the two side edges of the belt ply cloth 8, so that the edge covering procedure of the belt ply cloth 8 is realized. The belted curtain cloth 8 after being wrapped is coiled by a coiling device.
Referring to fig. 2 and 3, the profiling mechanism 4 includes an upper profiling roller 41 and a lower profiling roller 42, the upper profiling roller 41 and the lower profiling roller 42 are used for jointly rolling the edge covering adhesive tape 9, the axis of the lower profiling roller 42 is horizontally arranged, the axis of the upper profiling roller 41 is obliquely arranged, the upper profiling roller 41 is gradually inclined upwards along the direction close to the conveyor belt 2, a profiling angle 43 is formed between the upper profiling roller 41 and the lower profiling roller 42, the lower edge line of the profiling angle 43 is flush with or slightly lower than the working surface of the conveyor belt 2, and the upper edge line of the profiling angle 43 upwards passes over the edge of the belt ply 8. At least one of the upper profiling roller 41 and the lower profiling roller 42 is a driving roller, and in this embodiment, the lower profiling roller 42 is set as a driving roller, and in other embodiments, the upper profiling roller 41 and the lower profiling roller 42 may be set as driving rollers at the same time.
When the belt ply 8 passes through the profiling angle 43, the extruder 3 continuously extrudes the edge-covering adhesive tape 9 with a circular section, and the upper profiling roller 41 and the lower profiling roller roll the edge-covering adhesive tape 9 together, so that the adhesive material box of the edge-covering adhesive tape 9 which is not cooled is shaped and flowed in the direction close to the belt ply 8, and the edge of the belt ply is covered by the edge-covering adhesive tape 9.
Referring to fig. 1, an installation frame 1 is provided with two groups of guide wheels 5, the two groups of guide wheels 5 are respectively arranged on two sides of a conveyor belt 2, a plurality of guide wheels 5 are arranged in each group, a plurality of guide wheels 5 in the same group are positioned between an extruder 3 and a profiling mechanism 4 on the same side, and a binding adhesive tape 9 extruded by the extruder 3 penetrates into a profiling angle 43 area of the profiling mechanism 4 after sequentially passing through the plurality of guide wheels 5 in the same group.
Referring to fig. 3, the upper profiling roller 41 is provided with a flange 44 near one end of the conveyor belt 2, the outer circumferential surface of the flange 44 is a conical surface, and the included angle between the outer circumferential surface of the flange 44 and the outer circumferential surface of the main body part of the upper profiling roller 41 faces the inner side of the profiling angle 43; when the rubber material of the edge covering rubber strip 9 positioned at the inner side of the profiling angle 43 flows out of the profiling angle 43 in a molding way, the edge pressing flange 44 can squeeze the edge part of the upper surface of the belt ply 8 of the edge covering rubber strip 9 to form an extending edge 92, and the extending edge 92 can increase the connecting effect between the edge covering rubber strip 9 and the belt ply 8.
The conical surface of the bead flange 44 is provided with one or more pressing salient points, and when the bead flange 44 presses the bead filler 9 to form the extension edge 92, the pressing salient points press the extension edge 92 successively to strengthen the adhesion of the extension edge 92 to the belt ply 8.
Referring to fig. 3, a first limit flange 421 is disposed at an end of the lower profiling roller 42 away from the conveyor belt 2, a second limit flange 411 is disposed at an end of the upper profiling roller 41 away from the conveyor belt 2, and the first limit flange 421 and the second limit flange 411 are disposed vertically correspondingly, and an outer circumferential surface of the first limit flange 421 abuts against an outer circumferential surface of the second limit flange 411.
A step surface is formed between the first limit flange 421 and the outer circumferential surface of the lower profiling roller 42, a step surface is formed between the second limit flange 411 and the outer circumferential surface of the upper profiling roller 41, when the profiling mechanism 4 extrudes the edging strip 9 towards the belt curtain 8, the edge part of the belt curtain can form a reverse acting force on the edging strip 9, so that the glue material of the edging strip 9 flows reversely along the surfaces of the upper profiling roller 41 and the lower profiling roller 42, and the situation that the glue material of the edging strip 9 overflows towards a direction far away from the opening of the profiling angle 43 can be reduced by arranging the first limit flange 421 and the second limit flange 411.
Referring to fig. 1 and 4, the installation frame 1 is further provided with a pinch roller mechanism 6, the pinch roller mechanism 6 is located between the two profiling mechanisms 4, the pinch roller mechanism 6 comprises an upper pinch roller 61 and a lower pinch roller 62, wherein the upper pinch roller 61 is a driving roller, and the pinch roller mechanism 6 is used for rolling the part of the belt ply curtain cloth 8 close to the profiling mechanisms 4; in this embodiment, the pinch roller mechanism 6 is used to roll the belt ply 8 to a location between the profiling mechanisms 4. The upper pinch roller 61 and the lower pinch roller 62 of the pinch roller mechanism 6 are each longer than the width of the belt curtain, and the pinch roller mechanism 6 is capable of rolling the belt curtain 8 over the full width.
Referring to fig. 1, two pinch roller mechanisms 6 are provided, and the two pinch roller mechanisms 6 are respectively defined as a first pinch roller mechanism 601 and a second pinch roller mechanism 602, the first pinch roller mechanism 601 and the second pinch roller mechanism 602 are arranged side by side along the conveying direction of the conveyor belt 2, the rolling speed of the first pinch roller mechanism 601 is the same as the conveying speed of the conveyor belt 2, the rolling speed of the first pinch roller mechanism 601 is smaller than the rolling speed of the second pinch roller mechanism 602, and the conveyor belt 2 sequentially passes through the first pinch roller mechanism 601, the profiling mechanism 4 and the second pinch roller mechanism 602 when running.
The conveyor belt 2 drives the belt ply fabric 8 to sequentially pass through the first pinch roller mechanism 601, the profiling mechanism 4 and the second pinch roller mechanism 602, so that the profiling mechanism 4 extrudes and wraps the edge-wrapping adhesive tape 9 to the position of the belt ply fabric 8 between the first pinch roller mechanism 601 and the second pinch roller mechanism 602. Because the first pinch roller mechanism 601 and the second pinch roller mechanism 602 have a speed difference, and the rolling speed of the second pinch roller mechanism 602 for rolling the belt curtain cloth 8 at the back is higher, the part of the belt curtain cloth 8 between the first pinch roller mechanism 601 and the second pinch roller mechanism 602 can be kept tensioned, and the pinch roller mechanism 6 can roll the belt curtain cloth 8 in a full width range, so that the full width range of the area to be covered by the belt curtain cloth 8 can be kept stiff and flat, and the quality of edge covering can be ensured.
Referring to fig. 4, the upper pinch roller 61 of the first pinch roller mechanism 601 is provided with guide flanges 611 at both ends thereof, respectively, and the two guide flanges 611 are respectively used for abutting against both side edges of the belt ply 8. The end surfaces of the opposite ends of the two guide flanges 611 are respectively provided with a limit protrusion 612, the diameter of the limit protrusion 612 is smaller than that of the guide flanges 611, and the two limit protrusions 612 are respectively used for abutting against the edge of the rubber main body of the belt curtain cloth 8.
The guiding flange 611 is used for abutting the exposed cord end of the edge of the belt ply 8, and the limiting boss 612 is used for abutting the rubber main body of the belt ply 8, so that the belt ply 8 is subjected to double guiding action in the conveying process, and the relative position between the belt ply 8 and the conveyor belt 2 along the width direction is kept stable.
Referring to fig. 1 and 5, the mounting frame 1 is provided with an auxiliary beading mechanism 7, the auxiliary beading mechanism 7 comprises a driving pulley 71, a driven pulley 72 and a driving belt 73, the axes of the driving pulley 71 and the driven pulley 72 are arranged vertically, the driving belt 73 is respectively wound and connected with the driving pulley 71 and the driven pulley 72, a groove 731 is formed in the whole length of the driving belt 73 along the extending direction of the driving belt 73, and the groove 731 is used for avoiding a edging adhesive tape 9 coated on a belt curtain 8.
The driving belt 73 of the auxiliary edge pressing mechanism 7 applies thrust to the belt ply 8 through the grooves 731, so that the driving belt 73 can form a pressure maintaining function on newly formed edges on the belt ply 8, and the newly formed edges are favorably firmly adhered.
The pinch roller mechanism 6 can pinch the part of the belt ply fabric 8 passing through the profiling mechanism 4, and when the profiling mechanism 4 presses and wraps the edge-wrapping adhesive tape 9 on the belt ply fabric 8, the position of the belt ply fabric 8 can be kept stable.
The implementation principle of the edge covering device for radial tire production is as follows: the extruder 3 continuously extrudes the edge-covering adhesive tape 9, the edge-covering adhesive tape 9 is not cooled, and is directly covered on the side edge of the belt ply fabric 8 to form edge-covering under the extrusion action of the profiling mechanism 4, so that the edge-covering efficiency of the belt ply fabric 8 is improved, the edge part of the belt ply curtain part is covered by the edge-covering adhesive tape 9 in a hot glue attaching mode, the compactness of edge-covering is improved, and the quality of edge-covering is guaranteed. In the process of jointly rolling the edge-covering rubber strip 9 by the upper profiling roller 41 and the lower profiling roller 42 of the profiling mechanism 4, the edge-pressing flange 44 of the upper profiling roller 41 can form an extending edge 92 on the upper surface of the belt ply fabric 8 by the edge-covering rubber strip 9, and the extending edge 92 of the edge-covering rubber strip 9 can enlarge the bonding area between the edge-covering rubber strip 9 and the belt ply fabric 8, so that the connection between the edge-covering rubber strip 9 and the belt ply edge-covering is reliable.
The embodiment also discloses a belted layer edge covering structure, which is formed by the above-mentioned edge covering device, and comprises an edge covering main body 91 and an extending edge 92, wherein the cross section of the edge covering main body 91 is a right triangle, the extending edge 92 is positioned at one sharp edge of the edge covering main body 91, and the extending edge 92 is tightly pressed and adhered on the upper surface of the belted layer curtain cloth 8 through the edge pressing flange 44.
Example 2
Referring to fig. 6, this embodiment is different from embodiment 1 in that: in this embodiment, the axes of the upper profiling roller 41 and the lower profiling roller 42 are parallel to each other, the outer peripheral surface of the upper profiling roller 41 is provided as a tapered surface, and the diameter of the upper profiling roller 41 gradually decreases in the direction approaching the conveyor belt 2.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. A device of borduring for radial tire production, its characterized in that: the belt ply curtain cloth extruding machine comprises a mounting frame (1), wherein the mounting frame (1) is provided with a conveying belt (2) for conveying a belt ply curtain cloth (8), two extruders (3) for extruding a bag Bian Jiaotiao (9) and two profiling mechanisms (4) for extruding and coating a binding adhesive tape (9) to the edge of the belt ply curtain cloth (8); the two profiling mechanisms (4) are respectively arranged corresponding to the two extruders (3), the two profiling mechanisms (4) are respectively arranged on two sides of the conveyor belt (2) in a relative mode, each profiling mechanism (4) comprises an upper profiling roller (41) and a lower profiling roller (42), each upper profiling roller (41) and each lower profiling roller (42) are used for jointly rolling a bag Bian Jiaotiao (9), a profiling angle (43) is formed between each upper profiling roller (41) and each lower profiling roller (42), a pressing flange (44) is arranged on one end, close to the conveyor belt (2), of each upper profiling roller (41), the outer peripheral surface of each pressing flange (44) is a conical surface, an included angle between the outer peripheral surface of each pressing flange (44) and the outer peripheral surface of the main body part of each upper profiling roller (41) faces the inner side of each profiling angle (43), and each pressing flange (44) is used for extruding edge-covering rubber strips (9) on the edge part of the upper surface of a belt layer (8) to form an extending edge.
2. A taping device for radial tire production according to claim 1, wherein: the conical surface of the edge pressing flange (44) is provided with a plurality of pressing convex points.
3. A taping device for radial tire production according to claim 1, wherein: one end that the lower profiling roller (42) is kept away from conveyer belt (2) is equipped with first limit flange (421), the one end that goes up profiling roller (41) and keep away from conveyer belt (2) is equipped with second limit flange (411), first limit flange (421) with correspond from top to bottom between second limit flange (411) and set up, the outer peripheral face butt of first limit flange (421) the outer peripheral face of second limit flange (411).
4. A taping device for radial tire production according to claim 1, wherein: the mounting frame (1) is provided with a pinch roller mechanism (6), the pinch roller mechanism (6) is located between the two profiling mechanisms (4), the pinch roller mechanism (6) comprises an upper pinch roller (61) and a lower pinch roller (62), and the pinch roller mechanism (6) is used for rolling the position, close to the profiling mechanism (4), of the belt curtain cloth (8).
5. A taping device for radial tire production as in claim 4, wherein: the utility model provides a conveyer belt, including conveyer belt (2) and belt cord fabric, pinch roller mechanism (6) are used for full width scope roll-in belt cord fabric (8), pinch roller mechanism (6) are provided with two, two pinch roller mechanism (6) are defined respectively as first pinch roller mechanism (601) and second pinch roller mechanism (602), first pinch roller mechanism (601) with follow between second pinch roller mechanism (602) conveyer belt (2) direction of delivery sets up side by side, the roll-in speed of first pinch roller mechanism (601) with conveyer belt (2) conveying speed is the same, the roll-in speed of first pinch roller mechanism (601) is less than the roll-in speed of second pinch roller mechanism (602), conveyer belt (2) are through first pinch roller mechanism (601), profiling mechanism (4) and second pinch roller mechanism (602) in proper order during operation.
6. A taping device for radial tire production as in claim 5, wherein: guide flanges (611) are respectively arranged at two ends of an upper pinch roller (61) of the first pinch roller mechanism (601), and the two guide flanges (611) are respectively used for abutting against two side edges of the belt curtain cloth (8).
7. A taping device for radial tire production as in claim 6, wherein: the end faces of the opposite ends of the two guide flanges (611) are respectively provided with a limiting protrusion (612), the diameter of each limiting protrusion (612) is smaller than that of the guide flange (611), and the two limiting protrusions (612) are respectively used for abutting against the edge of the rubber main body of the belt curtain cloth (8).
8. A taping device for radial tire production according to claim 1, wherein: the installation frame (1) is equipped with supplementary blank holder mechanism (7), supplementary blank holder mechanism (7) are including driving pulley (71), driven pulley (72) and drive belt (73), driving pulley (71) with the axis of driven pulley (72) is along vertical setting, drive belt (73) respectively with driving pulley (71) with driven pulley (72) are around establishing to be connected, drive belt (73) are provided with slot (731) along self extending direction overall length, slot (731) are used for dodging cladding in package Bian Jiaotiao (9) of belted layer curtain cloth (8).
9. Belt ply turnup structure formed by a turnup device for radial tire production according to any one of claims 1-8, characterized in that: the belt ply edging structure comprises an edging main body (91) and an extending edge (92), wherein the cross section of the edging main body (91) is a right triangle, the extending edge (92) is positioned on one sharp corner edge of the edging main body (91), and the extending edge (92) is tightly adhered to the upper surface of the belt ply cord fabric (8) through an edging flange (44).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401838.0A CN116442576A (en) | 2023-04-14 | 2023-04-14 | A device and belted layer structure of borduring for radial tire production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310401838.0A CN116442576A (en) | 2023-04-14 | 2023-04-14 | A device and belted layer structure of borduring for radial tire production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442576A true CN116442576A (en) | 2023-07-18 |
Family
ID=87119721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310401838.0A Pending CN116442576A (en) | 2023-04-14 | 2023-04-14 | A device and belted layer structure of borduring for radial tire production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116442576A (en) |
-
2023
- 2023-04-14 CN CN202310401838.0A patent/CN116442576A/en active Pending
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