CN110757864A - A single rubber-coated steel wire winding device - Google Patents

Abstract

The invention discloses a single rubber-coated steel wire winding device, which includes a frame, a lifting bracket arranged on the frame, a laminating roller arranged on the lifting bracket, and also includes a material head pulling component, a cutting component and a cutting clamp Assembly; the material head pulling assembly includes a pulling head that is directly opposite and adjacent to the wire-accommodating groove of the laminating roller and a first driving assembly for driving the pulling head to rotate around the rotation axis of the laminating roller. The thread end of the rubber-coated steel wire is clamped and released; the cutting assembly includes a cutting shear and a second driving assembly for driving the cutting shear to switch between the cutting position and the waiting position, and the cutting position is at the last stage set on the laminating roller and the frame On the straight line where the rubber-coated steel wire tensioned between the conveying rollers is located; the cutting and clamping assembly includes a clamp arranged on the lifting bracket and located between the cutting position and the final conveying roller, and the clamp is used to clamp the rubber-coated steel wire fixed. The device greatly improves the production efficiency of tire building.

Description

A single rubber-coated steel wire winding device

technical field

The invention relates to the technical field of vehicle tire manufacturing, in particular to a single rubber-coated steel wire winding device.

Background technique

The second stage of motorcycle tire forming machine is to place the cylindrical embryo produced by the first stage of the forming machine on the forming drum of the second stage of the forming machine. A mechanical device for wire winding (similar to the bonding of the cap strip in the ordinary double method), the bonding of the tread, and the shaping and rolling to make a green tire before vulcanization; wherein, a single rubber-coated steel wire is wound to form a motorcycle One of the key technologies in the tire lamination process, the winding of a single rubber-coated steel wire is mainly realized by winding a single rubber-coated steel wire head, as shown in Figure 1, which generally includes a rotating bracket 20, a rubber-coated steel wire transition roller 21 , Laminating assembly lifting cylinder 22, laminating assembly 23, laminating roller 24, wire cutting assembly 25, tightening device 26 and swing assembly 27, the specific working process is: a single glue-coated steel wire wraps the rotating bracket 20 of the head through the The reducer connected to it swings it to the bonding angle; the lifting cylinder 22 of the bonding assembly is extended to drive the bonding assembly 23 to move, so that the bonding roller 24 is in close contact with the preformed embryo on the drum; the tightening device 26 is opened, The material head is manually pulled to a suitable position and fixed; the rotation of the forming drum cooperates with the rotation of the rotating bracket 20 to complete the bonding of the rubber-coated steel wire; the bonding of the rubber-covered steel wire is completed, the lifting cylinder 22 of the bonding component is retracted, and the bonding component 23 is driven to move Move the bonding roller to the upper position; the swinging component swings, pulls the wire to the cutting position, and tightens the cylinder; the cutter cuts the rubber-coated steel wire; manually handle the material tail (manually use scissors to cut off the excess material tail, and Righting the material tail); the laminating head swings to the vertical position and waits until the next lamination cycle.

The above-mentioned single-coated steel wire winding method requires manual processing of the material head and material tail, which greatly reduces the production efficiency of tire building, and the automation degree of the equipment is also greatly reduced, which is not in line with the trend of industrial development towards automation.

To sum up, how to solve the problem of low production efficiency of tire building has become a technical problem that those skilled in the art need to solve urgently.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a single rubber-coated steel wire winding device to solve the problem of low production efficiency of tire building.

In order to achieve the above purpose, the present invention provides a single rubber-coated steel wire winding device, comprising a frame, a lifting bracket arranged on the frame, a laminating roller arranged on the lifting bracket, and a material head A pulling assembly, a cutting assembly and a cutting clamping assembly; the material head pulling assembly includes a pulling head arranged directly opposite and adjacent to the wire-accommodating groove of the applying roller, and a pulling head for driving the pulling head around the applying roller The first drive assembly that rotates with the axis of rotation, the pulling head is used to clamp and release the thread end of a single rubber-coated steel wire; the cutting assembly includes a cutting shear and is used to drive the cutting shear in the cutting position and wait The second drive assembly for position switching, and the cutting position is located on the straight line where the rubber-coated steel wire tensioned between the laminating roller and the final conveying roller set on the frame is located; the cutting and clamping assembly It includes a clamp arranged on the lifting bracket and located between the cutting position and the final conveying roller, and the clamp is used for clamping and fixing the rubber-coated steel wire.

Preferably, the first drive assembly includes a swing arm connected between the rotating shaft and the traction head, and a first driver for driving the swing arm to swing around the rotating shaft.

Preferably, the first driver is a telescopic mechanism, one end of the telescopic mechanism is hinged with the lifting bracket, the other end of the telescopic mechanism is hinged with the swing arm, and the telescopic mechanism can drive all the The traction head rotates around the rotating shaft.

Preferably, the cutting and clamping assembly further comprises a limit plate arranged on the lifting bracket and slidingly matched with the lifting bracket up and down, and the final conveying roller and the clamp are both fixedly arranged on the limit plate. The lifting bracket is provided with an upper stopper and a lower stopper, and the stopper plate is located between the upper stopper and the lower stopper. Before the cutting shears perform the cutting operation, The limiting plate abuts against the lower stop; after the cutting shears perform a cutting operation, the limiting plate abuts against the upper stop.

Preferably, a position sensor is further provided on the lift bracket, and the position sensor is used to detect whether the limit plate moves to a position that abuts against the upper stop.

Preferably, the pulling head comprises a first thread clamping head and a second thread clamping head arranged oppositely, and the first thread clamping head and the second thread clamping head are driven by an air cylinder to realize clamping and releasing.

Preferably, the second driving assembly includes a sliding rail fixed on the rack, a sliding block slidingly matched with the sliding rail, and a second driver for driving the sliding block to slide along the sliding rail , the cutting shears are fixed on the slider, when the slider slides to the first preset position, the cutting shears are located at the cutting position; when the slider slides to the second preset position , the cutting shear is in the waiting position.

Preferably, the sliding block is further provided with a pressing roller located under the cutting shears, and when the sliding block moves to the first preset position, the pressing roller is pressed against the on the groove of the fit roller.

Preferably, the pressing roller comprises a double elastic strut and a pressing wheel arranged on the double elastic strut, and the pressing wheel is used for fitting with the wire accommodating groove.

Preferably, a swinging shaft arranged horizontally and perpendicular to the rotation axis of the laminating roller is provided on the frame, and the frame can rotate around the swinging shaft.

Compared with the description of the background technology, the above-mentioned single rubber-coated steel wire winding device includes a frame, a lifting bracket arranged on the frame and a laminating roller arranged on the lifting bracket, and also includes a material head pulling assembly, a cutting assembly and The cutting and clamping assembly; the material head pulling assembly includes a pulling head which is directly opposite and adjacent to the wire-accommodating groove of the bonding roller and a first driving assembly for driving the pulling head to rotate around the rotation axis of the bonding roller, and the pulling head is used for Clamps and releases the thread end of a single rubber-coated steel wire; the cutting assembly includes a cutting shear and a second driving assembly for driving the cutting shear to switch between the cutting position and the waiting position, and the cutting position is set on the laminating roller and the frame On the straight line where the rubber-coated steel wire tensioned between the last-stage conveying rollers is located; the cutting and clamping assembly includes a clamp arranged on the lifting bracket and located between the cutting position and the last-stage conveying roller, and the clamp is used to cover the glue The wire is clamped and fixed. In the actual application process of the single rubber-coated steel wire winding device, when the operation of cutting the rubber-coated steel wire needs to be performed, the second driving component drives the cutting and shearing to the cutting position, and drives the clamp to clamp and fix the rubber-coated steel wire. , drive the cutting shears to perform the cutting operation. At this time, continue to roll the forming drum that is attached to the laminating roller, so that the tail end of the cutting can be wound on the tire green tire on the forming drum; Drive the traction head to rotate around the rotation axis of the laminating roller to the lower part of the clamp, complete the clamping and fixing of the material head of the second round of winding operation, and then drive the traction head through the first driving component again to drive the material head to the lamination roller. The other side waits for the next green tire on the building drum. The entire operation process is coherent, and there is no need to manually arrange the head and tail of the material, which greatly improves the production efficiency of tire building.

Description of drawings

Fig. 1 is the structural representation of the traditional single rubber-coated steel wire winding device;

2 is a schematic side view of the structure of a single rubber-coated steel wire winding device provided in an embodiment of the present invention;

3 is a schematic three-dimensional structural diagram of a single rubber-coated steel wire winding device provided in an embodiment of the present invention;

4 is a schematic structural diagram of a combined side view of a lifting bracket and a cutting assembly according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a combined three-dimensional structure of a lifting bracket and a cutting assembly according to an embodiment of the present invention.

In Figures 1-5 above,

In Figure 1 above,

Rotating bracket 20, rubber-coated steel wire transition roller 21, laminating assembly lifting cylinder 22, laminating assembly 23, laminating roller 24, wire cutting assembly 25, tightening device 26, swing assembly 27;

In Figures 2-5 above,

Frame 1, Elevating Bracket 2, Laminating Roller 3, Material Head Pulling Assembly 4, Cutting Assembly 5, Cutting Clamping Assembly 6, Pulling Head 7, Forming Drum 8, First Drive Assembly 9, Cutting Shear 10, Second Drive Assembly 11, slide rail 110, slider 111, second driver 112, pinch roller 113, double elastic strut 1130, pinch wheel 1131, final conveying roller 12, clamp 13, swing arm 14, first driver 15, Limiting plate 16 , upper stop 17 , lower stop 18 , position sensor 19 .

Detailed ways

The core of the present invention is to provide a single rubber-coated steel wire winding device to solve the problem of low production efficiency of tire building.

In order to make those skilled in the art better understand the technical solutions provided by the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in FIG. 2 to FIG. 5 , a single rubber-coated steel wire winding device provided by the embodiment of the present invention includes a frame 1 , a lifting bracket 2 arranged on the frame 1 , and a lamination device arranged on the lifting bracket 2 The roller 3 also includes the material head pulling assembly 4, the cutting assembly 5 and the cutting clamping assembly 6; 7. The first drive assembly 9 that rotates around the axis of rotation of the bonding roller 3, the pulling head 7 is used to clamp and release the thread end of a single rubber-coated steel wire; the cutting assembly 5 includes a cutting shear 10 and is used to drive the cutting shear. 10. The second drive assembly 11 is switched between the cutting position and the waiting position, and the cutting position is on the straight line where the rubber-coated steel wire tensioned between the laminating roller 3 and the final conveying roller 12 set on the frame 1 is located; the cutting clamp The tightening assembly 6 includes a clamp 13 arranged on the lifting bracket 2 and located between the cutting position and the final conveying roller 12 , and the clamp 13 is used for clamping and fixing the rubber-coated steel wire.

In the actual application process of the single rubber-coated steel wire winding device, when the operation of cutting the rubber-coated steel wire needs to be performed, the second driving component drives the cutting and shearing to the cutting position, and drives the clamp to clamp and fix the rubber-coated steel wire. , drive the cutting shears to perform the cutting operation. At this time, continue to roll the forming drum that is attached to the laminating roller, so that the tail end of the cutting can be wound on the tire green tire on the forming drum; Drive the traction head to rotate around the rotation axis of the laminating roller to the lower part of the clamp, complete the clamping and fixing of the material head of the second round of winding operation, and then drive the traction head through the first driving component again to drive the material head to the lamination roller. The other side waits for the next green tire on the building drum. The entire operation process is coherent, and there is no need to manually arrange the head and tail of the material, which greatly improves the production efficiency of tire building.

It should be noted here that those skilled in the art should be able to understand that the laminating roller 3 is used to roll and attach the rubber-coated steel wire to the tire building drum 8, and the rubber-coated steel wire needs to pass through the frame 1. The multi-stage conveying roller is then led to the laminating roller through the final conveying roller, and the laminating roller 3 is rolled by the rolling of the forming drum 8 , and then the rubber-coated steel wire is wound on the tire green tire of the forming drum 8 .

In some specific embodiments, the specific structure of the first drive assembly 9 may include a swing arm 14 connected between the rotating shaft and the traction head 7 and a first driver for driving the swing arm 14 to swing around the rotating shaft 15. The swing arm is driven by the first driver to swing, thereby realizing the rotation of the rotating shaft of the traction head cover, so as to realize the change of the traction position of the traction head on the laminating roller 3, so as to facilitate the clamping of the material head of the initial installation of the rubber-coated steel wire and the pulling of the rubber-coated steel wire After the material head reaches the designated position of the laminating roller, release the material head. Of course, it can be understood that the above-mentioned method of using the swing arm to drive the traction head is only a preferred example of the embodiment of the present invention. In the actual application process, other structural forms commonly used by those skilled in the art can also be used to realize the rotation of the traction head. For example, the structure of a rotating disk coaxially arranged with the rotating shaft, the structure of arranging the traction head on the rotating disk, etc. can be adopted.

In a further embodiment, the specific structural form of the above-mentioned first driver 15 can be a telescopic mechanism, one end of the telescopic mechanism is hinged with the lifting bracket 2, the other end of the telescopic mechanism is hinged with a swing arm 14, and the telescopic mechanism can drive the telescopic movement when it does telescopic movement. The pulling head 8 rotates around the axis of rotation. It should be noted that the connection position between the telescopic mechanism and the swing arm may be a rocker arm provided on the swing arm, the telescopic mechanism is hinged with the rocker arm, or may be directly hinged with the middle of the swing arm. The specific structural form of the telescopic mechanism can be driven by an air cylinder or an oil cylinder to achieve telescopic, and can also use other structural forms of the telescopic mechanism commonly used by those skilled in the art, such as a motor-driven screw mechanism.

In some more specific embodiments, the above-mentioned cutting and clamping assembly 6 may further include a limit plate 16 disposed on the lifting bracket 2 and slidingly matched with the lifting bracket 2 up and down, and the final conveying roller 12 and the clamp 13 are both fixed Set on the limit plate 16; the lifting bracket 2 is provided with an upper stop 17 and a lower stop 18, and the limit plate 16 is located between the upper stop 17 and the lower stop 18, when the cutting shear 10 performs the cutting operation , the limiting plate 16 abuts against the lower stop 18 ; when the cutting shear 10 performs the cutting operation, the limiting plate 16 abuts against the upper stop 17 . What needs to be explained here is that the specific structure of the limit plate 16 and the upper stop 17 can be realized by the rubber-coated steel wire under the action of tension rebound after cutting to drive the limit plate to offset the upper stop, because the rubber-coated steel wire In the process of traction and winding, the rubber-coated steel wire itself has elastic tension. When the rubber-coated steel wire is cut, the rubber-coated steel wire will generate an instant rebound force under the action of the tension. The stop plate is in abutting contact with the upper stop, which in turn can indicate that the cutting operation has been completed. Of course, it can be understood that the above-mentioned method of using the resilience of the steel wire itself is only a preferred example of the embodiment of the present invention. In the actual application process, other driving mechanisms commonly used by those skilled in the art can also be used to complete the direct driving method, such as It is possible to directly use the cylinder to directly drive the limit plate to move upward until it touches the upper stop, as long as it can judge whether the steel wire is cut or not. In addition, when the limit plate abuts against the lower stopper, it can also cooperate with the clamp to locate the rubber-coated steel wire, and cooperate with the pulling head to complete the material retrieval operation when the material head is clamped.

In a further embodiment, a position sensor 19 may also be provided on the lift bracket 2 , and the position sensor 19 is used to detect whether the limit plate 16 moves to a position that abuts against the upper stop 17 . The position of the limit plate is detected by the position sensor, so that the detection result is more accurate, and the double detection method is realized in cooperation with the detection method in which the limit plate is in contact with the upper stop. It should be noted that those skilled in the art should be able to understand that a position sensor is a sensor that can sense the position of the measured object and convert it into a usable output signal, which belongs to the prior art well known to those skilled in the art. No longer.

In addition, it should be noted that the specific structure of the above-mentioned pulling head 8 may include a first thread clamping head and a second thread clamping head arranged opposite to each other, and the first thread clamping head and the second thread clamping head are driven by a cylinder to realize clamping and releasing. The clamping action is realized by driving the first thread clamping head and the second thread clamping head to approach by the air cylinder, and the releasing action is realized by driving the first thread clamping head and the second thread clamping head away from the air cylinder. Of course, it can be understood that the above-mentioned manner of using the cylinder to drive the gripping and releasing actions of the traction head is only a preferred example of the embodiment of the present invention, and other driving manners commonly used by those skilled in the art may also be used in practical application. Besides, those skilled in the art should be able to understand that the above-mentioned pulling head is used for fixing the material head and pulling it to the designated position of the laminating roller when taking the material.

In some specific embodiments, the structure of the second driving assembly 11 may specifically include a sliding rail 110 fixed on the frame, a sliding block 111 slidably matched with the sliding rail 110, and a sliding block 111 for driving the sliding block 111 along the sliding rail The sliding second driver 112, the cutting shear 10 is fixed on the slider 111, when the slider 111 slides to the first preset position, the cutting shear 10 is in the cutting position; when the slider 111 slides to the second preset position, The cutting shears 10 are in the waiting position. Of course, it can be understood that the above-mentioned switching between the cutting position and the waiting position through the sliding cooperation between the slide rail and the slider is only a preferred example of the embodiment of the present invention. Other switching structures, such as the structure in which the cutting shear is fixed on the swing arm, the start end of the swing arm is hinged with the frame, the end of the swing arm is fixed with the cutting shear, and the swing arm swings to different positions to realize the switching between the cutting position and the waiting position way etc. In addition, it should be noted that, generally speaking, the cutting shears are also connected with a corresponding cutting driving mechanism, and the cutting action of the cutting shears can be realized by driving the cutting driving mechanism, for example, the cutting operation can be performed by starting the driving cutting shears. In addition, the above-mentioned second drive may also adopt a linear drive mechanism commonly used by those skilled in the art, such as an air cylinder or an oil cylinder drive, or a lead screw mechanism drive.

In a further embodiment, when the cutting shears are arranged on the sliding block 111, the sliding block 111 may also be provided with a pressing roller 113 located under the cutting shears. When the sliding block 111 moves to the first preset position, the pressing The tightening roller 113 is pressed and attached to the wire receiving groove of the laminating roller 3 . The rubber-coated steel wire is compressed by the pressing roller, which can ensure that the cut tail is smoothly wound on the tire embryo of the forming drum and continues to roll along the groove of the laminating roller.

In a further embodiment, the specific structure of the above-mentioned pressing roller 113 may include a double elastic strut 1130 and a pressing wheel 1131 arranged on the double elastic strut 1130, and the pressing wheel 1131 is used for fitting with the wire accommodating groove. By setting the structure of double elastic struts, the pressing surface of the pressing wheel can be adaptively changed following the pressing direction, so as to avoid the line on the pressing surface of the pressing wheel and the bonding roller caused by processing errors. Slot mismatch occurs. The specific structural form of the double elastic strut can be realized by adopting a spring corresponding to the sliding block slidingly matching the strut. Of course, other elastic strut structural forms commonly used by those skilled in the art can also be used, such as a double cylinder or an oil cylinder strut. Elastic support structure, etc.

In addition, it should be noted that those skilled in the art should be able to understand that, generally speaking, the above-mentioned frame 1 is provided with a swing shaft arranged horizontally and perpendicular to the rotation axis of the laminating roller, the frame 1 Can rotate around the swing axis. The rubber-coated steel wire winding on the curved surface of the green tire on the forming drum can be realized by the rotation of the frame around the swing axis.

The single rubber-coated steel wire winding device provided by the present invention has been described in detail above. It should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. For the same and similar parts among the various embodiments, refer to each other Can.

It should also be noted that, herein, terms such as "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, whereby an article or device comprising a list of elements includes not only those elements, but also Include other elements not expressly listed, or elements inherent to the article or equipment. Without further limitation, an element defined by the phrase "comprising a..." does not preclude the presence of additional identical elements in an article or device that includes the above-mentioned element.

The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the core idea of the present invention. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can also be made to the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

Claims (10)

1. A single rubberizing steel wire winding device comprises a rack (1), a lifting support (2) arranged on the rack (1) and a fitting roller (3) arranged on the lifting support (2), and is characterized by further comprising a stub bar traction assembly (4), a cutting assembly (5) and a cutting clamping assembly (6); the stub bar traction assembly (4) comprises a traction head (7) which is right opposite to and close to the wire accommodating groove of the laminating roller (3) and a first driving assembly (9) which is used for driving the traction head (7) to rotate around the rotating axis of the laminating roller (3), and the traction head (7) is used for clamping and releasing the wire ends of the single rubber-coated steel wire; the cutting assembly (5) comprises a cutting shear (10) and a second driving assembly (11) used for driving the cutting shear (10) to switch between a cutting position and a waiting position, and the cutting position is located on a straight line where a rubber-coated steel wire tensioned between the laminating roller (3) and a final conveying roller (12) arranged on the rack (1) is located; decide clamping component (6) including setting up on lifting support (2) and be located cut the position with clamp (13) between final conveying roller (12), clamp (13) are used for right cover gluey steel wire presss from both sides the fastening is fixed.

2. The single rubberized wire winding device according to claim 1, wherein said first drive assembly (9) comprises a swing arm (14) connected between said rotating shaft and said drawing head and a first actuator (15) for driving said swing arm (14) to swing about said rotating shaft.

3. The single rubberized wire winding device according to claim 2, wherein said first actuator (15) is a telescopic mechanism, one end of said telescopic mechanism is hinged to said lifting frame (2), the other end of said telescopic mechanism is hinged to said swing arm (14), and said telescopic mechanism can drive said traction head (8) to rotate around said rotation axis when it performs telescopic motion.

4. The single rubberized steel wire winding device according to claim 3, wherein said cutting-clamping assembly (6) further comprises a limiting plate (16) disposed on said lifting bracket (2) and vertically sliding-fitted with said lifting bracket (2), said final conveying roller (12) and said clamp (13) being fixedly disposed on said limiting plate (16); an upper stop (17) and a lower stop (18) are arranged on the lifting support (2), the limiting plate (16) is positioned between the upper stop (17) and the lower stop (18), and before the cutting shears (10) execute cutting operation, the limiting plate (16) is abutted against the lower stop (18); after the cutting scissors (10) execute cutting operation, the limiting plate (16) is abutted to the upper stop (17).

5. The single rubberized steel wire winding device according to claim 4, wherein a position sensor (19) is further provided on said lifting bracket (2), said position sensor (19) being configured to detect whether said limiting plate (16) moves to a position abutting against said upper stop (17).

6. The single rubberized wire winding device according to claim 1, wherein said drawing head (8) comprises a first and a second opposite gripping heads, said first and second gripping heads being driven by a pneumatic cylinder to perform the gripping and releasing.

7. The single rubberized steel wire winding device according to claim 1, wherein the second driving assembly (11) comprises a sliding rail (110) fixedly arranged on the machine frame, a sliding block (111) in sliding fit with the sliding rail (110), and a second driver (112) for driving the sliding block (111) to slide along the sliding rail, the guillotine shear (10) is fixed on the sliding block (111), and when the sliding block (111) slides to a first preset position, the guillotine shear (10) is located at the cutting position; when slider (111) slide to the second and predetermine the position, decide scissors (10) and be located wait the position.

8. The single rubberized steel wire winding device according to claim 7, wherein a pressing roller (113) is further disposed on the slider (111) and located below the cutting shears, and when the slider (111) moves to the first preset position, the pressing roller (113) is pressed and attached to the wire accommodating groove of the attaching roller (3).

9. The single rubberized wire winding device according to claim 8, wherein said pressure roller (113) comprises a double elastic pillar (1130) and a pressure roller (1131) disposed on said double elastic pillar (1130), said pressure roller (1131) being adapted to fit said wire accommodating groove.

10. The single rubberized wire winding device according to any one of claims 1 to 9, wherein said frame (1) is provided with a swinging axis arranged horizontally and perpendicular to the rotation axis of said application roller, said frame (1) being able to rotate around said swinging axis.

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