Fiber cord fabric puncturing device

Abstract

The utility model discloses a fiber cord fabric puncturing device, which relates to the technical field of tire production part processing and comprises a frame. The licker-in is arranged on the rack, a plurality of pricking needles are annularly arranged on the licker-in, and the licker-in is provided with a heating device which can heat the pricking needles; the conveying guide device is arranged below the licker-in and can enable the fiber cord fabric to penetrate through the bottom of the licker-in and drive the licker-in to rotate so that the fiber cord fabric can be punctured. By the adoption of the fiber cord fabric puncturing device, the puncturing quality can be improved, and the puncturing shape can be kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire production component processing technical field, in particular to a kind of fibre cord piercing device. BACKGROUND

[0002] In the production process of radial tire, fibre cord, tread rubber, inner liner rubber etc. are bonded together layer by layer, and if air bubbles are trapped during bonding, the quality of subsequent tires can be easily affected. To prevent air bubbles from being generated during fibre cord bonding, the fibre cord needs to be pierced first.

[0003] The piercing device known to the inventor uses a normal-temperature piercing scheme, and the piercing quality is poor, the piercing shape cannot be maintained, which further increases the shrinkage of the pierced fibre cord after being curled, and thus the quality of the formed tire is poor. Therefore, there is an urgent need to design a technical solution that can improve the piercing quality and maintain the piercing shape. SUMMARY

[0004] The utility model aims to provide a kind of fibre cord piercing device to solve the problems existing in the prior art, which can improve the piercing quality and maintain the piercing shape.

[0005] To achieve the above-mentioned purpose, the utility model provides the following scheme:

[0006] The utility model provides a kind of fibre cord piercing device, comprising:

[0007] A rack;

[0008] A piercing roller is arranged on the rack, a plurality of piercing needles are arranged around the piercing roller, and the piercing roller is provided with a heating device to heat the piercing needles;

[0009] A conveying guide device is arranged below the piercing roller, which can pass the fibre cord from the bottom of the piercing roller and drive the piercing roller to rotate to pierce the fibre cord.

[0010] Preferably, the piercing roller includes a central shaft, the central shaft is arranged horizontally on the rack, the heating device is fixedly sleeved on the central shaft, the heating device is coated with a piercing needle mounting package, and a plurality of piercing needles are arranged on the outer surface of the piercing needle mounting package.

[0011] Preferably, the heating device comprises a heating cylinder fixed on the central shaft by a bush at both ends, a plurality of heating pipes are arranged in the heating cylinder, one end of the heating pipe is connected with an external power source through a heating pipe rotating slip ring, the heating pipe rotating slip ring comprises a rotating slip ring movable ring and a rotating slip ring fixed ring, the rotating slip ring movable ring is fixed on one end of the central shaft by a bush, the rotating slip ring fixed ring is arranged outside the rotating slip ring movable ring and is connected with the rotating slip ring movable ring, the heating pipe is electrically connected with the rotating slip ring movable ring, and the rotating slip ring fixed ring is connected with an external power source through a cable; and a heat insulation plate is arranged between the heating cylinder and the central shaft.

[0012] Preferably, the plurality of needle mounting packages are sequentially fixed on the outer wall of the heating device in a semicircular plate structure made of aluminum alloy, and the needles are fixed outside the needle mounting packages.

[0013] Preferably, vertical strip-shaped holes are arranged at both ends of the rack, slide rails are symmetrically arranged at both sides of the strip-shaped holes, a sliding carriage is slidably arranged on the slide rails, the central shaft is arranged on the sliding carriage at the same end through a bearing, a hydraulic cylinder is fixed on the rack, and the cylinder rod of the hydraulic cylinder is connected with the sliding carriage.

[0014] Preferably, the conveying and guiding device comprises a driving roller and a tension roller, a groove roller is arranged above the driving roller and the tension roller, one end of the driving roller is connected with the tension roller and the groove roller through a closed transmission belt, and the driving roller can drive the fiber cord to pass above the groove roller from the tension roller and then enter the position of the driving roller.

[0015] Preferably, the groove roller comprises a central roller, a plurality of aluminum alloy groove rings are arranged on the central roller through fixed locking rings, and the needle can be inserted into the groove of the aluminum alloy groove ring; and adjacent two aluminum alloy groove rings are fixedly connected through a connecting pin.

[0016] Preferably, a tension synchronous pulley is arranged between the groove roller and the driving roller, the tension synchronous pulley abuts against the inner side of the transmission belt, and the groove roller is symmetrically provided with a wrap angle roller at both sides; the driving roller can drive the fiber cord to pass below the wrap angle roller on one side, pass above the groove roller, pass below the wrap angle roller on the other side, and then enter the position of the driving roller.

[0017] Preferably, a cross beam is arranged on the top of the rack, an infrared temperature sensor is arranged on the cross beam, and the infrared temperature sensor can detect the temperature of the needle; a protective frame is arranged outside the rack, and a protective net is fixed on the protective frame.

[0018] The utility model also provides a fiber cord puncture method, comprising the following steps:

[0019] The heating device heats the needles of the needling roller to a set temperature;

[0020] The fiber cord is manually introduced into the conveying guide device, the driving roller drives the fiber cord to pass above the angle roller on the side close to the tension roller, then pass above the groove roller, and then pass below the angle roller on the other side, and then enter the driving roller, and the needling roller is adjusted to press down on the fiber cord;

[0021] The conveying guide device rotates to drive the fiber cord to move, and the fiber cord rotates the needling roller to complete the needling;

[0022] When the needling is completed or the signal in front of the needling roller does not meet the running condition of the fiber cord, the driving needling roller is lifted to leave the fiber cord.

[0023] The utility model discloses the following technical effects are obtained relative to the prior art:

[0024] The utility model discloses the fiber cord conveying guide device is arranged below the needling roller, when conveying the fiber cord, can make the fiber cord upper surface and needling roller fit, adopt heating device and heat the needle of needling roller to set temperature, the needle is to the fiber cord that its lower part fits in the rotation process of needling roller and needs to be in turn, because the needle is heated to set temperature, so it can heat the fiber cord's needling lateral wall when needling, make needling forming quality good, and then reduced the fiber cord curling after needling's shrinkage rate. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will briefly introduce the drawing needed to be used in the embodiment, obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art, under the premise of not paying creative labor, still can obtain other drawings according to these drawings.

[0026] Figure 1 It is the fiber cord needling device structure schematic view of one embodiment of the utility model;

[0027] Figure 2 It is the main view of the fiber cord needling device of one embodiment of the utility model;

[0028] Figure 3 It is the plan view of the fiber cord needling device of one embodiment of the utility model;

[0029] Figure 4 It is the left view of the fiber cord needling device of one embodiment of the utility model;

[0030] Figure 5The right view of the fiber cord puncture device of one of the embodiments of the utility model;

[0031] Figure 6 The heating device schematic view of the fiber cord puncture device of one of the embodiments of the utility model;

[0032] Figure 7 The heating device side view of the fiber cord puncture device of one of the embodiments of the utility model;

[0033] Figure 8 The groove roller schematic view of the fiber cord puncture device of one of the embodiments of the utility model;

[0034] Figure 9 The fiber cord transmission process schematic view of the fiber cord puncture device of one of the embodiments of the utility model.

[0035] In the drawing: 1-frame, 2-puncture roller, 3-puncture needle, 4-carriage, 5-hydraulic cylinder, 6-driving roller, 7-groove roller, 8-angle roller, 9-infrared temperature sensor, 10-protection net, 11-puncture needle installation bag, 12-tension synchronous pulley, 13-tension roller, 14-sliding ring movable ring, 15-sliding ring fixed ring, 16-cable, 17-expansion sleeve, 18-fixed lock ring, 19-aluminum alloy groove ring, 20-heating cylinder, 21-heating pipe, 22-insulating plate, 23-fiber cord, 24-center shaft, 25-fixed ring fixing piece, 26-connecting pin, 27-groove. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0037] The utility model aims at providing a kind of fiber cord puncture device to solve the problems existing in the prior art described above, can increase puncture quality, keep puncture shape.

[0038] To make the above purpose, features and advantages of the utility model more obvious and easy to understand, the utility model is further described in detail below with reference to the drawings and specific embodiments.

[0039] Reference Figures 1-8As shown, the utility model provides a kind of fibre curtain fabric puncture device, including rack 1;Rack 1 is equipped with thorn roller 2, thorn roller 2 includes center shaft, center shaft is horizontally arranged on rack 1, center shaft is fixedly sleeved with heating device, heating device is coated with thorn needle installation package 11, a plurality of thorn needles 3 are arranged in thorn needle installation package 11 outer surface staggeredly, prevent thorn needle 3 scratch fibre curtain fabric, the heating device of thorn roller 2 can heat thorn needle 3 to set temperature;Conveying guide device is set below thorn roller 2, can pass from the bottom of thorn roller 2 with fibre curtain fabric, and drive thorn roller 2 rotation realizes the puncture of fibre curtain fabric.

[0040] In order to be able to adjust the pressing state of thorn roller 2 to fibre curtain fabric, so the both ends of rack 1 are provided with vertically arranged strip-shaped holes, the both sides of strip-shaped hole are symmetrically provided with slide rail, slide rail is slidably provided with slide 4, the end of center shaft is arranged on the slide 4 of the same end through bearing, rack 1 is fixedly provided with hydraulic cylinder 5, the end of cylinder rod of hydraulic cylinder 5 is connected with slide 4, in another preferred embodiment, hydraulic cylinder 5 can be replaced by air cylinder or oil cylinder or screw nut pair, which can realize the purpose of driving slide 4 to move up and down along slide rail, and then driving thorn roller 2 to move up and down. When the fibre curtain fabric is introduced, or when each special specification does not require puncture, or when the fibre curtain fabric does not move for a long time, thorn roller 2 can go up and separate from the fibre curtain fabric to ensure safety. In addition, the penetration depth of thorn needle 3 can also be adjusted accordingly.

[0041] In a specific embodiment, the heating device includes a heating cylinder 20, which is fixedly arranged on the center shaft 24 by the expansion sleeve 17. Four heating pipes 21 are arranged inside the heating cylinder 20. The heating pipes 21 are arranged in parallel with the heating cylinder 20, achieving auxiliary heating of the heating cylinder 20. One end of the heating pipe 21 is connected to the power supply through the heating pipe 21 rotating slip ring, achieving communication between the heating pipe 21 and the external power supply in the rotating state. A heat insulation plate 22 in ring structure is arranged between the heating cylinder 20 and the center shaft to prevent heat conduction to the center shaft. Specifically, the heating pipe 21 rotating slip ring includes a slip ring movable ring 14 and a slip ring fixed ring 15. The slip ring movable ring 14 is fixed to one end of the center shaft by a flange and the expansion sleeve 17. The slip ring fixed ring 15 is sleeved outside the slip ring movable ring 14 and is in contact connection with the slip ring movable ring 14. The heating pipe 21 is electrically connected with the slip ring movable ring 14. The slip ring fixed ring 15 is externally connected to the power supply through the cable 16. The slip ring fixed ring 15 is fixedly connected to the rack 1 by the fixed ring fixing piece 25 outside. In order to facilitate disassembly and heat conduction during heating, the thorn needle installation package 11 is made of aluminum alloy material in the form of a semicircular plate. A plurality of thorn needle installation packages 11 are fixedly coated on the outer side wall of the heating device. The thorn needles 3 are fixedly arranged outside the thorn needle installation package 11.

[0042] In order to realize the transmission and guide of the fiber cord 23, so that it can smoothly realize the piercing operation, the conveying guide device of the embodiment comprises a driving roller 6 and a tension roller 13, one end of the driving roller 6 is drivingly connected with a driving motor, a groove roller 7 is arranged above the driving roller 6 and the tension roller 13, the groove roller 7 comprises a center roller, an aluminum alloy groove ring 19 is arranged on the center roller through a fixed lock ring 18, a plurality of grooves 27 are uniformly arranged on the outer wall of the aluminum alloy groove ring 19, adjacent two aluminum alloy groove rings 19 are fixedly connected through a connecting pin 26, the fixed lock ring 18 is a ring-shaped fixed structure, the needle 3 can be inserted into the groove 27 of the aluminum alloy groove ring 19, so that the needle 3 can pierce the fiber cord 23, and the end of the needle 3 does not have hard contact, thereby ensuring the perpendicularity of the end of the needle 3; one end of the driving roller 6 is drivingly connected with the groove roller 7 through a closed transmission belt; a tension synchronous pulley 12 is arranged between the groove roller 7 and the driving roller 6, the tension synchronous pulley 12 abuts against the inner side of the transmission belt and is used for tensioning the transmission belt; the groove roller 7 is symmetrically provided with a wrap angle roller 8 on both sides; the wrap angle roller 8 is arranged on the front and rear of the groove roller 7, so that the cord has enough wrap angle on the groove roller.

[0043] In a specific embodiment, in order to control the temperature of the needle 3, a cross beam is arranged on the top of the rack 1, an infrared temperature sensor 9 is arranged on the cross beam, the detected temperature is transmitted to a temperature controller through the infrared temperature sensor 9, effective temperature control is realized, and the heating temperature range can be adjusted according to the material of the different fiber cords 23; in the embodiment, a protective frame is arranged on the outer side of the rack 1, a protective net 10 is fixedly arranged on the protective frame, and the protective net 10 is opened by a person, so that the safety detection device is triggered, and the driving power and the heating device are all stopped.

[0044] Reference Figure 9 The utility model also provides a kind of fiber cord 23 piercing method, comprising the following steps:

[0045] Heating device heats needle to set temperature;

[0046] Fiber cord 23 is manually introduced into the driving roller of conveying guide device, and is drivingly connected with the driving roller, the driving roller and the groove roller are synchronously rotated, can drive subsequent fiber cord 23 from the tension roller 13 above to enter the wrap angle roller below on the side close to the tension roller 13, then pass through the groove roller above, then enter the driving roller from the wrap angle roller below on the other side, under the action of the driving roller, sequentially drive along the transmission path, adjust the needle roller to press down on fiber cord 23;

[0047] Conveying guide device rotates and drives fiber cord 23, and rotates needle roller to complete piercing during the movement of fiber cord 23;

[0048] When the signal of the puncturing completion or the signal before the licker-in roller does not satisfy the operating condition of the fiber veil 23, the licker-in roller is driven to rise and leave the fiber veil 23.

[0049] The principle and implementation mode of the utility model are described by applying specific examples in the utility model, and the above embodiment is only used for helping to understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In conclusion, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A fiber curtain punching device, characterized in that: include: frame; The barbed roller is mounted on the frame, and a plurality of barbed needles are arranged around the barbed roller. The barbed roller is also equipped with a heating device that can heat the barbed needles. A conveying and guiding device is located below the licker-in roller, which can pass the fiber fabric through the bottom of the licker-in roller and drive the licker-in roller to rotate to puncture the fiber fabric.

2. The fiber curtain punching device according to claim 1, characterized in that: The piercing roller includes a central shaft, which is horizontally arranged on the frame. The heating device is fixedly sleeved on the central shaft. The heating device is covered with a piercing needle mounting package, and a plurality of piercing needles are arranged alternately on the outer surface of the piercing needle mounting package.

3. The fiber curtain punching device according to claim 2, characterized in that: The heating device includes a heating cylinder, both ends of which are fixed to the central shaft by expansion sleeves. Multiple heating tubes are installed inside the heating cylinder. One end of each heating tube is connected to an external power source via a rotating sliding ring. The rotating sliding ring includes a moving ring and a fixed ring. The moving ring is fixed to one end of the central shaft by expansion sleeves. The fixed ring is sleeved outside the moving ring and contacts it. The heating tubes are electrically connected to the moving ring, and the fixed ring is connected to an external power source via a cable. A heat insulation plate is provided between the heating cylinder and the central shaft.

4. The fiber curtain punching device according to claim 2, characterized in that: The needle mounting package is a semi-circular plate-shaped structure made of aluminum alloy. Multiple needle mounting packages are sequentially fixed and covered on the outer wall of the heating device, and the needles are fixedly disposed on the outside of the needle mounting package.

5. The fiber curtain punching device according to claim 2, characterized in that: The frame has vertically arranged strip holes at both ends, and slide rails are symmetrically arranged on both sides of the strip holes. The slide rails slide a carriage. The end of the central shaft is mounted on the carriage at the same end through a bearing. A hydraulic cylinder is fixed on the frame, and the end of the cylinder rod of the hydraulic cylinder is connected to the carriage.

6. The fiber curtain punching device according to claim 1, characterized in that: The conveying and guiding device includes a drive roller and a tension roller. A grooved roller is provided above the drive roller and the tension roller. One end of the drive roller is connected to the grooved roller via a closed transmission belt. The drive roller can drive the fiber curtain to pass over the grooved roller from the tension roller and enter the position of the drive roller.

7. The fiber curtain punching device according to claim 6, characterized in that: The grooved roller includes a central roller, on which multiple aluminum alloy grooved rings are mounted by a fixing locking ring. The end of the needle can be inserted into the groove of the aluminum alloy grooved ring. Adjacent aluminum alloy grooved rings are fixedly connected by a connecting pin.

8. The fiber curtain punching device according to claim 6, characterized in that: A tensioning synchronous pulley is provided between the grooved roller and the drive roller, and the tensioning synchronous pulley abuts against the inner side of the transmission belt; corner rollers are symmetrically provided on both sides of the grooved roller, and the drive roller can drive the fiber cord fabric to pass under the corner roller on one side, and after passing over the grooved roller, it passes under the corner roller on the other side, and then enters the drive roller.

9. The fiber curtain punching device according to claim 1, characterized in that: The top of the frame is provided with a crossbeam, on which an infrared temperature sensor is installed. The infrared temperature sensor can detect the temperature of the needle. The outer side of the frame is provided with a protective frame, on which a protective net is fixed.

Images