CN211363571U - Lower compression roller device for eliminating and detecting bubbles between cord fabrics - Google Patents
Lower compression roller device for eliminating and detecting bubbles between cord fabrics Download PDFInfo
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- CN211363571U CN211363571U CN201921975614.6U CN201921975614U CN211363571U CN 211363571 U CN211363571 U CN 211363571U CN 201921975614 U CN201921975614 U CN 201921975614U CN 211363571 U CN211363571 U CN 211363571U
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Abstract
The utility model belongs to the technical field of tire molding manufacturing, in particular to a lower compression roller device for eliminating and detecting bubbles between cord fabrics, which comprises a roller body and a compression roller shaft, wherein the roller body and the compression roller shaft are coaxially arranged, an annular cavity is arranged between the roller body and the compression roller shaft, and a pressure-sensitive sensor connected with a signal display is arranged in the cavity; the outer surface of the roller body is a pressing surface which comprises alternately arranged bulges and grooves, roller thorns are arranged in the grooves, the roller thorns are connected with the bottoms of the grooves through pressure-sensitive springs, and the pressure-sensitive springs are also connected with a pressure-sensitive sensor. The lower compression roller device can effectively eliminate bubbles between the cord fabrics, can detect large bubbles which cannot be improved by the compression roller and can be stopped in time, and can be improved manually to avoid the occurrence of bad bubble phenomenon between finished product tire layers caused by incomplete removal of air between the cord fabrics in the rolling process.
Description
Technical Field
The utility model belongs to the technical field of the tire shaping manufacturing, concretely relates to eliminate and detect lower compression roller device of bubble between curtain cloth.
Background
Nowadays, with the rapid development of the automobile industry in China, the quality requirements of corresponding matched products are more and more strict. The interlayer air bubbles are a bad phenomenon which has the most frequent occurrence and the most serious influence in the production process of the tire, the appearance and the dynamic equalization performance of the tire product are seriously influenced, and the improvement of the quality of the tire product is restricted.
In the process of tire molding and manufacturing, firstly, a composite piece of an inner liner and a cord fabric is attached to a tire body drum in one section of operation, a tire bead is placed on the cord fabric and then turned up, a pressing roller is lifted up after the turning up, the turning up position of the cord fabric is rolled inwards from two ends, and air between the cord fabric after the turning up is removed. However, the lower compression roller of the secondary method forming machine used by the tire manufacturing enterprise at present is cylindrical, the roller surface is of a smooth plane structure, the defect that bubbles cannot be completely exhausted exists in the rolling process, the interlayer bubbles cannot be effectively removed, interlayer bubble defects are caused, and defective products cannot be detected on line due to the lack of detection equipment, so that the quality of finished tires is seriously influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that appears in the above-mentioned tire shaping manufacturing process, provide one kind and eliminated and detect the lower compression roller device of bubble between the curtain cloth, can effectively eliminate the bubble between the curtain cloth to can detect the large-scale bubble that the compression roller can not improve and in time shut down, improve through the manual work.
The technical scheme of the utility model is that:
a lower roller pressing device for eliminating and detecting bubbles between cord fabrics comprises a roller body and a roller pressing shaft, wherein the roller body and the roller pressing shaft are coaxially arranged, an annular cavity is arranged between the roller body and the roller pressing shaft, and a pressure-sensitive sensor connected with a signal display is arranged in the cavity; the outer surface of the roller body is a pressing surface which comprises protrusions and grooves which are arranged alternately, roller thorns are arranged in the grooves, the roller thorns are connected with the bottoms of the grooves through pressure-sensitive springs, and the pressure-sensitive springs are further connected with the pressure-sensitive sensors.
Furthermore, two or more rows of roller thorns are arranged in the groove along the transverse direction of the roller body, and the roller thorns are uniformly distributed in the groove.
Further, the height of the roller stabs is consistent with the depth of the grooves.
Further, the protrusions and the grooves are arranged at equal intervals in the transverse direction.
Further, the groove is an S-shaped groove.
Furthermore, the roller stabs are in a cap shape with a narrow top and a wide bottom, and the cap-shaped roller stabs are sleeved on the pressure-sensitive springs.
Furthermore, the narrower end of the roller thorn is a passivated thorn tip, and a roller thorn mark is arranged on the thorn tip.
Further, the pressure-sensitive spring is a spring with a surface coated with a strain resistance material.
Further, the pressure-sensitive spring is connected with the pressure-sensitive sensor through a wire, and the pressure-sensitive sensor is connected to a signal display outside the compression roller through a wire.
Furthermore, the signal display comprises a base, a signal lamp and a display screen, wherein an upper limit value line, a bubble state line in the rolling process and a lower limit value line are displayed on the display screen.
The utility model has the advantages that:
the utility model provides a eliminate and detect lower compression roller device of bubble between curtain cloth has changed the shape structure of pushing down the compression roller bonding surface, through the unique spring structure of roller thorn, can enough be with the face of turning over the package compaction, guaranteed the compactness of roll extrusion, can also with gaseous pressure to the recess contactless position in the bubble, make gaseous along with the recess contactless position discharge; meanwhile, the pressure-sensitive sensor can detect large bubbles which cannot be improved by the lower pressing roller and shut down the machine in time, and the large bubbles are improved manually, so that the phenomenon of bad bubbles between finished tire layers caused by incomplete removal of air between the tire cords in the rolling process is avoided.
Drawings
Fig. 1 is a schematic view of a bottom roller according to the present invention;
fig. 2 is a right side view of the lower compression roller provided by the present invention;
fig. 3 is a schematic view of the roller stabs provided by the present invention;
fig. 4 is a schematic diagram of a signal display provided by the present invention;
fig. 5 is a schematic view of a pressing track of the lower pressing roller pressing a circle around a section of the forming drum;
FIG. 6 is a schematic view of the position of the lower pressure roller, the forming drum and the display provided by the present invention;
in the above figures: 1. a roller body; 2. a compression roller shaft; 3. a protrusion; 4. a groove; 5. rolling and stabbing; 6. a pressure sensitive spring; 7. a pressure sensitive sensor; 8. identifying the roller thorn; 9. a signal display connection; 10. a wire; 11. a signal lamp; 12. a display screen; 13. a bubble state line; 14. an upper limit line; 15. a lower limit line; 16. a base; 17. a forming drum; 18. a signal display; 19. and (4) pressing the rolls.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front" and "rear" indicate the positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 2, the lower pressure roller device for eliminating and detecting bubbles between curtains comprises a roller body 1 and a pressure roller shaft 2, wherein the roller body 1 and the pressure roller shaft 2 are coaxially arranged, an annular cavity is arranged between the roller body 1 and the pressure roller shaft 2, and a pressure-sensitive sensor 7 connected with a signal display 18 is arranged in the cavity; the outer surface of the roller body 1 is a pressing surface which comprises protrusions 3 and grooves 4 which are arranged alternately, roller thorns 5 are arranged in the grooves 4, the roller thorns 5 are connected with the bottoms of the grooves 4 through pressure-sensitive springs 6, and the pressure-sensitive springs 6 are further connected with pressure-sensitive sensors 7.
In the lower press roll device, the shape and the structure of the pressing surface of the roll body 1 are changed, the protrusion 3 and the groove 4 are arranged on the pressing surface, the roller thorn 5 is arranged in the groove 4, in the rolling process, when the lower press roll 19 rolls the reverse wrapping position of the cord fabric, the protrusion 3 of the pressing surface and the roller thorn 5 in the groove 4 are in contact with the reverse wrapping surface of the cord fabric, through the unique spring structure of the roller thorn 5, the reverse wrapping surface can be compacted, the rolling compactness is ensured, and the gas in the bubbles can be pressed to the non-contact position of the groove 4, so that the gas is discharged along with the non-contact position of the groove 4. In order to facilitate the installation and wiring of the pressure-sensitive sensor 7, an annular cavity is arranged on the inner surface of the roller body 1, which is attached to the compression roller shaft 2, of the roller body 1 in the circumferential direction of the compression roller shaft 2, and the pressure-sensitive sensor 7 is placed in the cavity and fixed on the compression roller shaft 2. The pressure-sensitive sensor 7 arranged in the compression roller can monitor the deformation condition of the spring in the rolling process in real time, and the stress state of the roller stabs 5 is converted into an electric signal to be displayed on the signal display 18.
Furthermore, the protrusions 3 and the grooves 4 are transversely arranged at equal intervals; the grooves 4 are S-shaped grooves and can be arranged into other shapes according to the requirement of eliminating bubbles by rolling in specific operation.
As shown in fig. 2 or fig. 3, in a specific embodiment, two or more rows of roller stabs 5 are arranged in the groove 4 along the transverse direction of the roller body 1, the roller stabs 5 are uniformly distributed in the groove 4, and in order to achieve the purpose of fully extruding bubbles between the cords, the height of the roller stabs 5 is consistent with the depth of the groove 4. Further, the roller stabs 5 are in a cap shape with a narrow top and a wide bottom, and the cap-shaped roller stabs 5 are sleeved on the pressure-sensitive springs 6; the skilled person can also arrange the roller 5 in other shapes with blunt tips as long as it is able to be connected to the pressure sensitive spring 6 and acts to squeeze the air bubbles between the cords. It will be appreciated that the pressure sensitive spring 6 is a spring having a surface coated with a strain resistant material. The surface of the spring is coated with a strain resistance material, one end of the spring is connected with the roller thorn 5, the other end of the spring is fixedly connected with the bottom of the groove 4, and the pressure-sensitive spring 6 is connected with the pressure-sensitive sensor 7 through a wire 10, so that the stress state of the roller thorn 5 can be output to the pressure-sensitive sensor 7 by monitoring the deformation condition of the spring.
It should be noted that the narrower end of the roller prick 5 is a passivated prick tip, and the prick tip is provided with a roller prick mark 8. The thorn point of the roller thorn 5 can be marked according to the height of the process requirement, because the lower pressing roller 19 has certain loss in the working process, when the roller thorn 5 is worn to the mark, the lower pressing roller 19 can be replaced, and the roller thorn mark 8 on the roller thorn 5 can facilitate the recognition control after the roller is worn.
In order to monitor the bubble state in the rolling process in real time, the pressure-sensitive spring 6 is connected with a pressure-sensitive sensor 7 through a lead 10, and a signal display connection part 9 is arranged on the pressure-sensitive sensor 7 and is connected with a signal display 18 positioned outside the compression roller through the lead 10. The pressure-sensitive sensor 7 transmits an electric signal to a signal display 18 outside the press roller, so that the bubble state at the rolling position can be monitored in real time. If the bubbles are normal and compacted by the pressing roller, the bubble state line 13 of the display screen 12 fluctuates within the limit value range, and the indicator light displays green; if the bubbles are too large and exceed the rolling capability of the compression roller, the bubble state line 13 exceeds a limit value line, an indicator lamp displays a red alarm signal, the forming machine is stopped, the bubble state is manually checked, and improvement is carried out.
As shown in fig. 4, the signal display 18 includes a base 16, a signal lamp 11 and a display 12, and an upper limit line 14, a bubble status line 13 during the rolling process and a lower limit line 15 are displayed on the display 12. When the force borne by the roller 5 exceeds the limit value, the signal lamp 11 with the warning function is turned on and stopped, and an operator can timely receive information to perform manual intervention, so that the phenomenon of bad bubbles caused by the fact that the rolling of the pressing roller cannot be changed can be avoided, and the cost waste is reduced. Meanwhile, the rolling strength and the rolling speed of the lower pressing roller 19 can be adjusted according to the strength of the electric signal displayed by the change of the electric signal on the display screen 12, which is favorable for the unified management and control of the lower pressing roller 19.
The use method of the pressing roller device for eliminating and detecting bubbles between the cord fabrics comprises the following steps:
(1) selecting a lower pressing roller 19 to be modified, measuring the radius, the width and the like of the roller, and ensuring that the new lower pressing roller 19 can be completely matched with the original attaching and turning-up process after being installed;
(2) the lower press roller 19 is manufactured according to the schematic diagram of the lower press roller 19, namely, the lower press roller 19 is manufactured according to the schematic diagram of the lower press roller 19, and the pressure-sensitive sensor 7 is fixed on an inner shaft of the lower press roller, is connected with each pressure-sensitive spring 6 and is connected to an external signal display 18 through a lead 10;
(3) the lower pressing roller 19 is arranged on a forming machine for debugging, so that the lower pressing roller 19 can be ensured to roll all the reverse wrapping surfaces of the cord fabric, and pressure leakage, too large pressure, too small pressure and the like are avoided; when the rolling process starts, the two lower press rollers 19 rise upwards to the positions tangent to the drum surface, and the front and back positions and the upper and lower heights of the two lower press rollers 19 are kept consistent; in the rolling process, the press roll axially rotates, radially moves towards the opposite direction at a constant speed, the forming drum 17 axially rotates, radially keeps still and is matched with the forming drum, and the reverse wrapping surface of the cord fabric after reverse wrapping is subjected to rolling exhaust;
(4) the signal display 18 is fixed on the molding machine, the position schematic diagram is shown in fig. 6, and the installation position is convenient for an operator to observe and does not influence normal production.
The rolling principle of the lower press roll is as follows:
the forming drum is a cylinder, the schematic diagram of fig. 5 is an expansion diagram in the high line direction of the side surface, the forming drum is pressed for a circle and moves transversely for a circle, the transverse moving distance of the lower pressing roller is the same as the width D of the roller body, the drum rotates for a circle, and the distance is the circumference of the drum and is 2 pi R2And calculating the running speed of a section of forming drum and the press roll according to the running distance. Assuming that the time of one pressing cycle is t, the radius of the press roll is R1Transverse velocity of V1Drum radius of R2Angular velocity W2，D＝V1t，2π＝W2t, V can be calculated1＝(D/2π)W2Therefore, if k is D/2 pi, the value of k is only related to the width of the rolling surface of the lower press roll, so V1＝kW2. Performing compression roller speed V according to the calculated data1And a section of forming drum angular velocity W2The setting of the rolling machine can ensure that the reverse wrapping surface of the curtain cloth is completely rolled.
The foregoing is directed to the preferred embodiment of the present invention and is not intended to limit the invention in any way, and any modifications, equivalents and substitutions that may be made without departing from the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The lower roller pressing device for eliminating and detecting bubbles between cord fabrics is characterized by comprising a roller body (1) and a roller pressing shaft (2), wherein the roller body (1) and the roller pressing shaft (2) are coaxially arranged, an annular cavity is arranged between the roller body (1) and the roller pressing shaft (2), and a pressure-sensitive sensor (7) connected with a signal display (18) is arranged in the cavity; the outer surface of the roller body (1) is a pressing surface, the pressing surface comprises protrusions (3) and grooves (4) which are arranged in an alternating mode, roller thorns (5) are arranged in the grooves (4), the bottoms of the roller thorns (5) and the grooves (4) are connected through pressure-sensitive springs (6), and the pressure-sensitive springs (6) are further connected with pressure-sensitive sensors (7).
2. A roll-down device for eliminating and detecting air bubbles between cords according to claim 1, characterized in that two or more rows of said roller burrs (5) are arranged in said groove (4) in the transverse direction of said roll body (1), said roller burrs (5) being evenly distributed in said groove (4).
3. A drop roll device for elimination and detection of air bubbles between cords according to claim 2, characterized in that the height of the roller stabs (5) corresponds to the depth of the grooves (4).
4. A roll hold-down device for eliminating and detecting air bubbles between cords as claimed in claim 1, wherein the protrusions (3) and the grooves (4) are arranged laterally at equal intervals.
5. A roll-down apparatus for elimination and detection of air bubbles between cords according to claim 1, characterized in that the groove (4) is an S-shaped groove.
6. A roll-down device for eliminating and detecting air bubbles between cords according to claim 1, wherein the roller stabs (5) are of a cap shape with a narrow top and a wide bottom, and the cap-shaped roller stabs (5) are sleeved on the pressure-sensitive springs (6).
7. A roll hold-down device for eliminating and detecting air bubbles between cord fabrics according to claim 1, characterized in that the narrower end of the roll thorn (5) is a blunt thorn tip, and the thorn tip is provided with a roll thorn mark (8).
8. A drop roll device for eliminating and detecting interbay bubbles according to claim 1, characterized in that the pressure-sensitive springs (6) are springs with surface coated with strain resistance material.
9. A down-pressure roller apparatus for eliminating and detecting air bubbles between cords according to claim 1, wherein the pressure-sensitive spring (6) is connected to the pressure-sensitive sensor (7) through a wire (10), and the pressure-sensitive sensor (7) is connected to a signal display (18) located outside the down-pressure roller through a wire (10).
10. A roll hold-down device for removing and detecting air bubbles between cords as claimed in claim 1, wherein said signal display (18) comprises a base (16), a signal light (11) and a display screen (12), and an upper limit line (14), a bubble status line (13) and a lower limit line (15) of the rolling process are displayed on said display screen (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975614.6U CN211363571U (en) | 2019-11-15 | 2019-11-15 | Lower compression roller device for eliminating and detecting bubbles between cord fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921975614.6U CN211363571U (en) | 2019-11-15 | 2019-11-15 | Lower compression roller device for eliminating and detecting bubbles between cord fabrics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211363571U true CN211363571U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921975614.6U Active CN211363571U (en) | 2019-11-15 | 2019-11-15 | Lower compression roller device for eliminating and detecting bubbles between cord fabrics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211363571U (en) |
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2019
- 2019-11-15 CN CN201921975614.6U patent/CN211363571U/en active Active
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