CN118111796A - Detection device for rubber processing performance of tire and application method thereof - Google Patents
Detection device for rubber processing performance of tire and application method thereof Download PDFInfo
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- CN118111796A CN118111796A CN202410535844.XA CN202410535844A CN118111796A CN 118111796 A CN118111796 A CN 118111796A CN 202410535844 A CN202410535844 A CN 202410535844A CN 118111796 A CN118111796 A CN 118111796A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 238000010057 rubber processing Methods 0.000 title abstract description 6
- 229920001971 elastomer Polymers 0.000 claims abstract description 48
- 239000005060 rubber Substances 0.000 claims abstract description 48
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000001125 extrusion Methods 0.000 claims description 14
- 230000009471 action Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 11
- 239000010720 hydraulic oil Substances 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The invention discloses a detection device for rubber processing performance for a tire and a use method thereof, and relates to the technical field of rubber detection. According to the invention, the first braking mechanism is arranged, the rotating disc rotates through the cooperation of the toothed ring and the rack, the two first pistons in the movable cavity move oppositely, so that the two inserted rods move, the first inclined surface extrudes the second inclined surface, the first braking block can extend out of the first movable hole to prop against the inner wall of the sliding groove, the friction force is increased, the moving speed of the rotating disc in the sliding groove is slowed down, and the movement of the first sliding seat can be braked in a decelerating way.
Description
Technical Field
The invention relates to the technical field of rubber detection, in particular to a device for detecting rubber processing performance for a tire and a using method thereof.
Background
Tires are various ground-engaging rolling, annular elastomeric rubber articles that are assembled on vehicles or machinery.
Most of the materials of the tire are rubber, different rubbers are needed to be selected according to different functions needed by the tire or specific materials are needed to be added into the rubber, rubber raw materials of the tire are needed to be detected before the tire is processed and manufactured, wherein the most important detection is that the tensile strength of the rubber is detected, in the detection process, two clamping seats are used for respectively clamping two ends of a rubber strip, one clamping seat is connected with a tensile machine, the other clamping seat is connected with an air cylinder, and the rubber strip can be stretched through the work of the air cylinder.
However, in the detection process, the rubber strip is broken when reaching the limit, so that the clamping seat connected with the tension machine can instantaneously and reversely move at high speed, the impact force generated during the high-speed movement is large, and the whole equipment is easily damaged.
Disclosure of Invention
The invention aims to provide a device for detecting the processability of rubber for a tire and a use method thereof, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: a device for detecting the processability of rubber for tires, comprising:
the detection mechanism comprises a frame body, a first sliding seat is arranged on the inner wall of the frame body in a sliding manner, a pulling machine is arranged between the first sliding seat and the inner wall of the frame body, a second sliding seat is arranged on the inner wall of the frame body in a sliding manner, an air cylinder is arranged between the second sliding seat and the inner wall of the frame body, and clamping seats are fixedly connected to the bottom end of the first sliding seat and the top end of the second sliding seat;
the guide mechanism is arranged between the first sliding seat and the inner wall of the frame body;
the first braking mechanism is arranged between the guide mechanism and the frame body and is used for decelerating the first sliding seat moving at a high speed.
Preferably, the guiding mechanism comprises sliding blocks fixedly connected to two sides of the first sliding seat, sliding grooves are formed in two sides of the inner wall of the frame body, and the two sliding blocks are respectively arranged in the two sliding grooves in a sliding mode.
Preferably, the first braking mechanism comprises a rotary table which is rotationally arranged on two sides of the sliding block, the outer wall of the rotary table is symmetrically provided with a first movable hole, the inner wall of the first movable hole is movably inserted and connected with a first braking block, the inside of the rotary table is provided with a movable cavity, the inner wall of the movable cavity is symmetrically and slidingly connected with a first piston, an opening is formed between the movable cavity and the first movable hole, one side of the first piston is fixedly connected with an inserting rod, the end part of the inserting rod is provided with a first inclined surface, the bottom end of the first braking block is provided with a second inclined surface, the outer wall of the rotary table is fixedly sleeved with a toothed ring, the inside of the sliding groove is fixedly connected with a rack, and the outer surface of the toothed ring is connected with the outer wall of the rack in a meshed mode.
Preferably, one side of the first piston is provided with a first spring, the first spring is sleeved outside the inserted link, a first movable groove is formed in the inner wall of the first movable hole, a first fixed ring is connected to the inner wall of the first movable groove in a sliding mode, the first fixed ring is fixedly sleeved on the outer wall of the first brake block, a second spring is arranged on the top end of the first fixed ring, the second spring is sleeved on the outer wall of the first brake block, and a second brake mechanism is arranged inside the sliding block.
Preferably, the second braking mechanism comprises a rotary drum fixedly inserted and connected between the two rotary tables, a rotary hole is formed in the front face of the sliding block, the outer wall of the rotary drum is rotationally connected with the inner wall of the rotary hole, a plurality of second movable holes are formed in the outer wall of the rotary drum, a plurality of second braking blocks are movably inserted and connected to the inner walls of the second movable holes, an extrusion block is slidably connected to the inner wall of the rotary drum, a circular table surface is formed in the outer wall of the extrusion block, and a hemispherical surface is formed in one end of each second braking block.
Preferably, the inner wall in second movable hole has seted up the second movable groove, the inner wall sliding connection in second movable groove has the second solid fixed ring, one side of second solid fixed ring is provided with the third spring, the outer wall of second brake block is located to the third spring cover, the outer wall fixedly connected with second piston of extrusion piece, be provided with hydraulic oil between second piston and the first piston, the top of slider is provided with buffer gear.
Preferably, the buffer gear includes fixed block fixedly connected with slider top, the fluting has been seted up on the top of fixed block, grooved inner wall sliding connection has the contact block, the connecting hole has been seted up to the bottom of fluting inner wall, the inner wall sliding connection of connecting hole has the fourth piston, be provided with the fourth spring between fourth piston and the contact block, the bottom fixedly connected with telescopic sleeve of contact block, the third movable hole has been seted up to the bottom of telescopic sleeve, the inner wall movable interlude in third movable hole is connected with the telescopic link, the top fixed connection of telescopic link's bottom and fourth piston, the flexible chamber has been seted up to the inner wall in third movable hole, the inner wall sliding connection in flexible chamber has the stopper, the bottom of stopper and the top fixed connection of telescopic link.
Preferably, the inside of slider has seted up the air current chamber, the inside in air current chamber is linked together with the inside of connecting hole, the inside in air current chamber is provided with first check valve, be provided with the second check valve between air current chamber and the connecting hole, the inside of connecting hole is provided with the discharge valve, the inner wall in air current chamber alternates and is provided with the third piston, be provided with coupling mechanism between third piston and the rotary drum.
Preferably, the connecting mechanism comprises a rotary groove arranged on the inner wall of the rotary hole, an eccentric disc is arranged in the rotary groove, the eccentric disc is fixedly sleeved on the outer wall of the rotary drum, one end of the third piston is symmetrically and fixedly connected with a connecting block, two connecting blocks are symmetrically and rotatably provided with rotating shafts, annular grooves are formed in the top end and the bottom end of the eccentric disc, and the rotating shafts are arranged on the inner wall of the annular grooves in an penetrating mode.
The invention also provides a use method of the device for detecting the rubber processing performance for the tire, which comprises the following steps:
Step one: one end of the rubber strip to be detected is placed in the upper clamping seat and clamped, at the moment, the other end of the rubber strip sags into the lower clamping seat and is clamped in the clamping seat, then the cylinder works to drive the second sliding seat to descend, so that the rubber strip clamped between the two clamping seats can be stretched, and meanwhile, the tensile force of the rubber strip is recorded in real time by the tensile machine;
Step two: the rubber strip is continuously stretched to the limit, at the moment, the rubber strip is broken, the first sliding seat moves rapidly and drives the sliding block to move, the sliding block moves upwardly and drives the rotary table to move, the rotary table rotates through the cooperation of the toothed ring and the rack in the moving process of the rotary table, so that two first pistons in the movable cavity move oppositely, two inserting rods move, the first inclined surface on the inserting rods extrudes the second inclined surface, the first braking block can extend out of the first movable hole, the first braking block props against the inner wall of the sliding groove, friction force is increased, and the movement of the first sliding seat is braked in a decelerating manner;
Step three: the rotary table rotates to drive the rotary drum to rotate, so that the second brake block can move under the action of centrifugal force and prop against the inner wall of the rotary hole, the rotation of the rotary drum can be decelerated, meanwhile, hydraulic oil in the rotary drum can be pumped into the movable cavity by the opposite movement of the two first pistons, the second piston is enabled to move under the action of pressure, the second piston can drive the extrusion block to move, the rotary table surface can stably extrude the hemispherical surface, and the second brake block can stably move against the inner wall of the rotary hole;
Step four: the rotary drum rotates the in-process and can drive the eccentric disc and rotate, and under the spacing cooperation of ring channel and pivot, can make the eccentric disc rotate and can drive third piston reciprocating motion, when the third piston moves to the air current intracavity, the gas that is located the air current intracavity can be extruded and then get into the connecting hole inside through the second check valve, thereby make the fourth piston upwards move, thereby drive the contact block upwards move, when the third piston moves to the rotary inslot, because the air current intracavity portion is negative pressure state this moment, make external gas get into the air current intracavity through first check valve, thereby along with the reciprocating motion of third piston, make the fourth piston upwards move constantly, thereby make the contact block upwards move, can make first slide even when moving to the highest position, also accessible contact block supports the spout inner wall earlier, then buffer the impact force through the fourth spring.
The invention has the technical effects and advantages that:
According to the invention, the first braking mechanism is arranged, the rotary table is rotated through the cooperation of the toothed ring and the rack, so that the two first pistons in the movable cavity move oppositely, the two inserted bars move, the first inclined surface on the inserted bar extrudes the second inclined surface, the first braking block can extend out of the first movable hole through the cooperation of the inclined surfaces of the first inclined surface and the second inclined surface, the first braking block is propped against the inner wall of the sliding groove, the friction force is increased, the moving speed of the rotary table in the sliding groove is slowed down, and the movement of the first sliding seat can be braked in a decelerating manner;
According to the invention, by means of the arrangement of the second braking mechanism, the two first pistons move oppositely and pump hydraulic oil in the rotary drum into the movable cavity, so that the second piston moves under the action of pressure, the second piston moves to drive the extrusion block to move, the round table surface can stably extrude the hemispherical surface, the second braking block can stably move against the inner wall of the rotary hole, the toothed ring is meshed with the rack, and the rotary table can rotate when moving, so that the rotation of the rotary table is synchronous with the movement of the first sliding seat, and the first sliding seat stops moving upwards when the rotation of the rotary table stops;
According to the invention, the buffer mechanism is utilized, the eccentric disc is driven to rotate in the rotating process of the rotary drum, and under the limit fit of the annular groove and the rotary shaft, the eccentric disc can drive the third piston to reciprocate, when the third piston moves into the airflow cavity, gas in the airflow cavity is extruded and then enters the connecting hole through the second one-way valve, so that the fourth piston moves upwards, the contact block is driven to move upwards, when the third piston moves into the rotary groove, the air cavity is in a negative pressure state, external gas enters the airflow cavity through the first one-way valve, and accordingly the fourth piston moves upwards continuously along with the reciprocating movement of the third piston, so that the contact block moves upwards, and even if the first sliding seat moves to the highest position, the contact block can support the inner wall of the sliding groove, and then impact force is buffered through the fourth spring, so that equipment damage is avoided.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the front cross-sectional structure of the present invention.
FIG. 3 is a schematic diagram of a cross-sectional view of the top surface of the turntable of the present invention.
Fig. 4 is a schematic cross-sectional view of a first brake pad of the present invention.
Fig. 5 is a schematic view of a partial enlarged structure at a of fig. 3 according to the present invention.
Fig. 6 is a schematic diagram of a front cross-sectional structure of a turntable according to the present invention.
Fig. 7 is a schematic perspective view of the eccentric disc of the present invention.
Fig. 8 is a schematic view of a partial enlarged structure at B of fig. 6 according to the present invention.
In the figure: 100. a first slider; 101. a frame; 102. a second slider; 103. a clamping seat; 104. a cylinder; 105. a pulling machine; 201. a chute; 202. a slide block; 203. a turntable; 204. a first movable hole; 205. a first brake pad; 206. opening holes; 207. a rod; 208. a first inclined surface; 209. a second inclined surface; 210. a movable cavity; 211. a first piston; 212. a first spring; 213. a first movable groove; 214. a first fixing ring; 215. a second spring; 216. a toothed ring; 217. a rack; 301. a turning hole; 302. a rotating drum; 303. a second movable hole; 304. a second brake pad; 305. a second movable groove; 306. a second fixing ring; 307. a third spring; 308. extruding a block; 309. a circular table top; 310. a hemispherical surface; 401. a second piston; 402. hydraulic oil; 501. a fixed block; 502. slotting; 503. a contact block; 504. a connection hole; 505. a fourth spring; 506. an airflow cavity; 507. a third piston; 508. a first one-way valve; 509. a second one-way valve; 510. an exhaust valve; 511. a fourth piston; 512. a telescopic rod; 513. a telescopic sleeve; 514. a third movable hole; 515. a limiting block; 516. a telescopic chamber; 601. a rotary groove; 602. an eccentric disc; 603. a connecting block; 604. a rotating shaft; 605. an annular groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a detection device for the processing performance of rubber for tires, which is shown in fig. 1-8, and comprises a detection mechanism, a guide mechanism and a first braking mechanism, wherein the detection mechanism comprises a frame body 101, a first sliding seat 100 is arranged on the inner wall of the frame body 101 in a sliding manner, a pulling machine 105 is arranged between the first sliding seat 100 and the inner wall of the frame body 101, a second sliding seat 102 is arranged on the inner wall of the frame body 101 in a sliding manner, a cylinder 104 is arranged between the second sliding seat 102 and the inner wall of the frame body 101, clamping seats 103 are fixedly connected to the bottom end of the first sliding seat 100 and the top end of the second sliding seat 102, one end of a rubber strip to be detected is placed in the upper clamping seat 103 and clamped, at the moment, the other end of the rubber strip is drooped into the lower clamping seat 103 and clamped in the clamping seats 103, then the cylinder 104 works to drive the second sliding seat 102 to descend, and the rubber strip clamped between the two clamping seats 103 can be stretched, meanwhile the pulling machine 105 records the tensile force of the rubber strip in real time, and when the rubber strip is broken, the first sliding seat 100 moves upwards rapidly.
The guiding mechanism is arranged between the first sliding seat 100 and the inner wall of the frame body 101, the guiding mechanism comprises sliding blocks 202 fixedly connected to two sides of the first sliding seat 100, sliding grooves 201 are formed in two sides of the inner wall of the frame body 101, the two sliding blocks 202 are respectively arranged in the two sliding grooves 201 in a sliding mode, and the sliding blocks 202 move in the sliding grooves 201, so that the first sliding seat 100 can stably move.
Wherein, the first braking mechanism is arranged between the guiding mechanism and the frame 101, the first braking mechanism is used for decelerating the first sliding seat 100 moving at high speed, the first braking mechanism comprises a rotary table 203 which is rotatably arranged at two sides of a sliding block 202, the outer wall of the rotary table 203 is symmetrically provided with a first movable hole 204, the inner wall of the first movable hole 204 is movably inserted and connected with a first braking block 205, the inside of the rotary table 203 is provided with a movable cavity 210, the inner wall of the movable cavity 210 is symmetrically and slidingly connected with a first piston 211, an opening 206 is arranged between the movable cavity 210 and the first movable hole 204, one side of the first piston 211 is fixedly connected with a plug rod 207, the end part of the plug rod 207 is provided with a first inclined plane 208, the bottom end of the first braking block 205 is provided with a second inclined plane 209, the outer wall of the rotary table 203 is fixedly sleeved with a toothed ring 216, the inside of the rotary table 201 is fixedly connected with a rack 217, the outer surface of the toothed ring 216 is meshed and connected with the outer wall of the rack 217, one side of the first piston 211 is provided with a first spring 212, the first spring 212 is sleeved outside the inserted link 207, the inner wall of the first movable hole 204 is provided with a first movable groove 213, the inner wall of the first movable groove 213 is slidably connected with a first fixed ring 214, the first fixed ring 214 is fixedly sleeved on the outer wall of the first brake block 205, the top end of the first fixed ring 214 is provided with a second spring 215, the second spring 215 is sleeved on the outer wall of the first brake block 205, the inside of the slide block 202 is provided with a second brake mechanism, after the rubber strip breaks, the first slide seat 100 moves upwards rapidly, the first slide seat 100 moves to drive the slide block 202 to move, the slide block 202 moves upwards to drive the turntable 203 to move, the turntable 203 rotates through the cooperation of the toothed ring 216 and the rack 217 in the moving process of the turntable 203, the two first pistons 211 in the movable cavity 210 move oppositely, so that the two inserted links 207 move, the first inclined surface 208 on the inserted link 207 extrudes the second inclined surface 209, and the first brake block 205 can extend out of the first movable hole 204 through the inclined surface matching of the first inclined surface 208 and the second inclined surface 209, so that the first brake block 205 is propped against the inner wall of the sliding groove 201, the friction force is increased, the moving speed of the turntable 203 in the sliding groove 201 is slowed down, the movement of the first sliding seat 100 can be decelerated and braked, after the turntable 203 stops rotating, the first piston 211 can be reset under the action of the elasticity of the first spring 212, and the first brake block 205 can be reset under the action of the elasticity of the second spring 215, so that the convenience of using the first brake mechanism is improved.
Wherein the second braking mechanism comprises a rotary drum 302 fixedly connected between two turntables 203 in a penetrating way, a rotary hole 301 is formed in the front surface of a sliding block 202, the outer wall of the rotary drum 302 is rotationally connected with the inner wall of the rotary hole 301, a plurality of second movable holes 303 are formed in the outer wall of the rotary drum 302, a second braking block 304 is movably connected in the inner wall of the plurality of second movable holes 303 in a penetrating way, an extrusion block 308 is slidingly connected with the inner wall of the rotary drum 302, a round table 309 is formed in the outer wall of the extrusion block 308, a hemispherical surface 310 is formed at one end of the second braking block 304, a second movable groove 305 is formed in the inner wall of the second movable hole 303, a second fixed ring 306 is slidingly connected with the inner wall of the second movable groove 305, a third spring 307 is arranged on one side of the second fixed ring 306, the third spring 307 is sleeved on the outer wall of the second braking block 304, a second piston 401 is fixedly connected with the outer wall of the extrusion block 308, hydraulic oil 402 is arranged between the second piston 401 and the first piston 211, the top end of the sliding block 202 is provided with a buffer mechanism, the rotary table 203 rotates to drive the rotary drum 302 to rotate, so that the second brake block 304 can move under the action of centrifugal force and prop against the inner wall of the rotary hole 301, the rotation of the rotary drum 302 can be decelerated, meanwhile, the two first pistons 211 move oppositely, hydraulic oil 402 in the rotary drum 302 can be pumped into the movable cavity 210, so that the second piston 401 moves under the action of pressure, the second piston 401 moves to drive the extrusion block 308 to move, the round table surface 309 can stably extrude the hemispherical surface 310, the second brake block 304 can stably move against the inner wall of the rotary hole 301, the rotary table 203 can move in the sliding groove 201 only when the first sliding seat 100 moves, and can rotate when the rotary table 203 moves through the meshing of the toothed ring 216 and the toothed rack 217, the rotation of the rotary table 203 is synchronous with the movement of the first sliding seat 100, when the rotation of the turntable 203 stops, the first slider 100 stops moving upwards, so that the moving speed of the first slider 100 can be reduced by slowing down the rotation speed of the drum 302.
Wherein the buffer mechanism comprises a fixed block 501 fixedly connected to the top end of the sliding block 202, a slot 502 is arranged at the top end of the fixed block 501, a contact block 503 is slidingly connected to the inner wall of the slot 502, a connecting hole 504 is arranged at the bottom end of the inner wall of the slot 502, a fourth piston 511 is slidingly connected to the inner wall of the connecting hole 504, a fourth spring 505 is arranged between the fourth piston 511 and the contact block 503, a telescopic sleeve 513 is fixedly connected to the bottom end of the contact block 503, a third movable hole 514 is arranged at the bottom end of the telescopic sleeve 513, a telescopic rod 512 is movably inserted into the inner wall of the third movable hole 514, the bottom end of the telescopic rod 512 is fixedly connected with the top end of the fourth piston 511, a telescopic cavity 516 is formed in the inner wall of the third movable hole 514, a limiting block 515 is slidably connected to the inner wall of the telescopic cavity 516, the bottom end of the limiting block 515 is fixedly connected with the top end of the telescopic rod 512, an airflow cavity 506 is formed in the sliding block 202, the interior of the airflow cavity 506 is communicated with the interior of the connecting hole 504, a first one-way valve 508 is arranged in the airflow cavity 506, a second one-way valve 509 is arranged between the airflow cavity 506 and the connecting hole 504, an exhaust valve 510 is arranged in the connecting hole 504, a third piston 507 is arranged in the inner wall of the airflow cavity 506 in an inserted mode, a connecting mechanism is arranged between the third piston 507 and the rotary drum 302, the connecting mechanism comprises a rotary groove 601 which is arranged on the inner wall of the rotary hole 301, an eccentric disc 602 is arranged in the rotary groove 601, the eccentric disc 602 is fixedly sleeved on the outer wall of the rotary drum 302, one end of the third piston 507 is symmetrically and fixedly connected with a connecting block 603, two connecting blocks 603 are symmetrically and rotatably provided with rotary shafts 604, annular grooves 605 are respectively arranged at the top end and the bottom end of the eccentric disc 602, the rotary shafts 604 are arranged on the inner wall of the annular grooves 605 in an penetrating way, the eccentric disc 602 is driven to rotate in the rotating process of the rotary drum 302, and under the limit fit of the annular grooves 605 and the rotary shafts 604, the eccentric disc 602 rotates to drive the third piston 507 to reciprocate, when the third piston 507 moves towards the inner part of the airflow cavity 506, the gas in the airflow cavity 506 is extruded to enter the connecting hole 504 through the second one-way valve 509, so that the fourth piston 511 moves upwards to drive the contact block 503 to move upwards, when the third piston 507 moves towards the rotating groove 601, at this time, because the inner part of the airflow cavity 506 is in a negative pressure state, the external gas enters the airflow cavity 506 through the first one-way valve 508, so that the fourth piston 511 moves upwards continuously along with the reciprocating movement of the third piston 507, so that the contact block 503 moves upwards, that is, the contact block 503 can be used to prop against the inner wall of the chute 201 first, then the fourth spring 505 is used to buffer the impact force to avoid the damage of the equipment, when the first slide 100 stops, the exhaust valve 510 works to exhaust the gas between the fourth piston 511 and the second one-way valve 509 from the connecting hole 504 through the exhaust valve 510, so that the fourth piston 511 can move downwards under the action of gravity to reset the contact block 503, and a tension mechanism can be arranged at the bottom end of the fourth piston 511, so that the fourth piston 511 can automatically descend when the exhaust valve 510 exhausts, through the setting of ring channel 605 for the in-process of eccentric disc 602 round can make third piston 507 carry out reciprocating motion many times, has guaranteed the air inlet efficiency in the connecting hole 504, and in the testing process, i.e. the decline in process of first slide 100 also can make contact block 503 upwards move gradually and has guaranteed that first slide 100 is at the high-speed when upwards moving, contact block 503 can stably stretch out a take the altitude and cushion.
The invention also provides a use method of the device for detecting the rubber processing performance for the tire, which comprises the following steps:
step one: one end of the rubber strip to be detected is placed in the upper clamping seat 103 and clamped, at the moment, the other end of the rubber strip sags into the lower clamping seat 103 and is clamped in the clamping seat 103, then the cylinder 104 works to drive the second sliding seat 102 to descend, so that the rubber strip clamped between the two clamping seats 103 can be stretched, and meanwhile, the tension machine 105 records the tension of the rubber strip in real time;
Step two: the rubber strip is continuously stretched until the limit, at the moment, the rubber strip is broken, the first sliding seat 100 moves upwards rapidly, the first sliding seat 100 moves to drive the sliding block 202 to move, the sliding block 202 moves upwards to drive the rotary table 203 to move, the rotary table 203 rotates in the moving process of the rotary table 203 through the matching of the toothed ring 216 and the rack 217, two first pistons 211 in the movable cavity 210 move oppositely, so that two inserted rods 207 move, a first inclined surface 208 on the inserted rods 207 extrudes a second inclined surface 209, and a first brake block 205 can extend out of the first movable hole 204, so that the first brake block 205 props against the inner wall of the sliding groove 201, friction force is increased, and the movement of the first sliding seat 100 is braked in a decelerating manner;
Step three: the rotary table 203 rotates to drive the rotary drum 302 to rotate, so that the second brake block 304 can also move under the action of centrifugal force and prop against the inner wall of the rotary hole 301, the rotation of the rotary drum 302 can be decelerated, meanwhile, the two first pistons 211 move oppositely to pump hydraulic oil 402 in the rotary drum 302 into the movable cavity 210, so that the second piston 401 moves under the action of pressure, the second piston 401 moves to drive the extrusion block 308 to move, the rotary table 309 can stably extrude the hemispherical surface 310, and the second brake block 304 can stably move against the inner wall of the rotary hole 301;
step four: the rotating drum 302 rotates to drive the eccentric disc 602 to rotate, and under the limit fit of the annular groove 605 and the rotating shaft 604, the eccentric disc 602 rotates to drive the third piston 507 to reciprocate, when the third piston 507 moves into the airflow cavity 506, gas in the airflow cavity 506 is extruded and then enters the inside of the connecting hole 504 through the second one-way valve 509, so that the fourth piston 511 moves upwards to drive the contact block 503 to move upwards, when the third piston 507 moves into the rotating groove 601, external gas enters the airflow cavity 506 through the first one-way valve 508 due to the negative pressure state in the airflow cavity 506, so that the fourth piston 511 moves upwards continuously along with the reciprocating movement of the third piston 507, so that the contact block 503 moves upwards, even if the first sliding seat 100 moves to the highest position, the contact block 503 firstly abuts against the inner wall of the sliding groove 201, and then the fourth spring 505 is used for buffering impact force.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present invention.
Claims (10)
1. A device for detecting processability of rubber for a tire, comprising:
The detection mechanism comprises a frame body (101), a first sliding seat (100) is arranged on the inner wall of the frame body (101) in a sliding mode, a pulling machine (105) is arranged between the first sliding seat (100) and the inner wall of the frame body (101), a second sliding seat (102) is arranged on the inner wall of the frame body (101) in a sliding mode, an air cylinder (104) is arranged between the second sliding seat (102) and the inner wall of the frame body (101), and clamping seats (103) are fixedly connected to the bottom end of the first sliding seat (100) and the top end of the second sliding seat (102);
The guide mechanism is arranged between the first sliding seat (100) and the inner wall of the frame body (101);
The first braking mechanism is arranged between the guide mechanism and the frame body (101) and is used for decelerating the first sliding seat (100) moving at a high speed.
2. The device for detecting the processability of rubber for tires according to claim 1, wherein the guiding mechanism comprises sliding blocks (202) fixedly connected to two sides of the first sliding seat (100), sliding grooves (201) are formed in two sides of the inner wall of the frame (101), and the two sliding blocks (202) are respectively arranged in the two sliding grooves (201) in a sliding manner.
3. The detection device for the processing performance of rubber for tires according to claim 2, characterized in that the first braking mechanism comprises a rotary table (203) which is rotationally arranged on two sides of a sliding block (202), a first movable hole (204) is symmetrically formed in the outer wall of the rotary table (203), a first braking block (205) is movably inserted and connected into the inner wall of the first movable hole (204), a movable cavity (210) is formed in the rotary table (203), a first piston (211) is symmetrically and slidingly connected to the inner wall of the movable cavity (210), an opening (206) is formed between the movable cavity (210) and the first movable hole (204), an inserting rod (207) is fixedly connected to one side of the first piston (211), a first inclined surface (208) is formed in the end portion of the inserting rod (207), a second inclined surface (209) is formed in the bottom end of the first braking block (205), a toothed ring (216) is fixedly connected to the outer wall of the rotary table (203), a toothed ring (217) is fixedly connected to the inside of the sliding groove (201), and the toothed ring (216) is meshed with a rack (217).
4. A device for detecting the processability of rubber for a tire according to claim 3, wherein a first spring (212) is provided on one side of the first piston (211), the first spring (212) is sleeved outside the insert rod (207), a first movable groove (213) is provided on the inner wall of the first movable hole (204), a first fixing ring (214) is slidably connected to the inner wall of the first movable groove (213), the first fixing ring (214) is fixedly sleeved on the outer wall of the first brake block (205), a second spring (215) is provided on the top end of the first fixing ring (214), the second spring (215) is sleeved on the outer wall of the first brake block (205), and a second brake mechanism is provided inside the slider (202).
5. The device for detecting the processability of rubber for tires according to claim 4, wherein the second braking mechanism comprises a rotary drum (302) fixedly inserted and connected between two rotary tables (203), a rotary hole (301) is formed in the front face of the sliding block (202), the outer wall of the rotary drum (302) is rotationally connected with the inner wall of the rotary hole (301), a plurality of second movable holes (303) are formed in the outer wall of the rotary drum (302), second braking blocks (304) are movably inserted and connected to the inner wall of the second movable holes (303), an extrusion block (308) is slidably connected to the inner wall of the rotary drum (302), a circular table surface (309) is formed in the outer wall of the extrusion block (308), and a hemispherical surface (310) is formed in one end of the second braking block (304).
6. The device for detecting the processability of rubber for tires according to claim 5, characterized in that a second movable groove (305) is formed in the inner wall of the second movable hole (303), a second fixed ring (306) is slidably connected to the inner wall of the second movable groove (305), a third spring (307) is arranged on one side of the second fixed ring (306), the third spring (307) is sleeved on the outer wall of the second brake block (304), a second piston (401) is fixedly connected to the outer wall of the extrusion block (308), hydraulic oil (402) is arranged between the second piston (401) and the first piston (211), and a buffer mechanism is arranged at the top end of the sliding block (202).
7. The detection device for the processing performance of the rubber for the tire according to claim 6, wherein the buffer mechanism comprises a fixed block (501) fixedly connected to the top end of the sliding block (202), a slot (502) is formed in the top end of the fixed block (501), a contact block (503) is slidably connected to the inner wall of the slot (502), a connecting hole (504) is formed in the bottom end of the inner wall of the slot (502), a fourth piston (511) is slidably connected to the inner wall of the connecting hole (504), a fourth spring (505) is arranged between the fourth piston (511) and the contact block (503), a telescopic sleeve (513) is fixedly connected to the bottom end of the contact block (503), a third movable hole (514) is formed in the bottom end of the telescopic sleeve (513), a telescopic rod (512) is movably inserted into the inner wall of the third movable hole (514), a telescopic cavity (516) is formed in the inner wall of the third movable hole (514), and the inner wall of the telescopic cavity (516) is slidably connected to the top end of the fourth piston (511), and the top end of the telescopic rod (515) is fixedly connected to the telescopic rod (515).
8. The device for detecting the processability of rubber for tires according to claim 7, characterized in that an airflow cavity (506) is formed in the slider (202), the interior of the airflow cavity (506) is communicated with the interior of the connecting hole (504), a first one-way valve (508) is arranged in the airflow cavity (506), a second one-way valve (509) is arranged between the airflow cavity (506) and the connecting hole (504), an exhaust valve (510) is arranged in the connecting hole (504), a third piston (507) is arranged on the inner wall of the airflow cavity (506) in an penetrating manner, and a connecting mechanism is arranged between the third piston (507) and the rotary drum (302).
9. The device for detecting the processability of rubber for tires according to claim 8, characterized in that the connecting mechanism comprises a rotating groove (601) formed in the inner wall of the rotating hole (301), an eccentric disc (602) is arranged in the rotating groove (601), the eccentric disc (602) is fixedly sleeved on the outer wall of the rotating drum (302), one end of the third piston (507) is symmetrically and fixedly connected with a connecting block (603), two connecting blocks (603) are symmetrically rotated and provided with rotating shafts (604), annular grooves (605) are formed in the top end and the bottom end of the eccentric disc (602), and the rotating shafts (604) are arranged on the inner wall of the annular grooves (605) in an penetrating mode.
10. The application method of the device for detecting the processability of the rubber for the tire is characterized by comprising the following steps of:
Step one: one end of a rubber strip to be detected is placed in the upper clamping seat (103) and clamped, at the moment, the other end of the rubber strip is drooped into the lower clamping seat (103) and clamped in the clamping seat (103), then the cylinder (104) works to drive the second sliding seat (102) to descend, so that the rubber strip clamped between the two clamping seats (103) can be stretched, and meanwhile, the tensile force of the rubber strip is recorded in real time by the tension machine (105);
Step two: the rubber strip is continuously stretched until the limit, at the moment, the rubber strip is broken, the first sliding seat (100) moves upwards rapidly, the first sliding seat (100) moves to drive the sliding block (202) to move, the sliding block (202) moves upwards to drive the rotary table (203) to move, in the moving process of the rotary table (203), the rotary table (203) rotates through the matching of the toothed ring (216) and the rack (217), two first pistons (211) in the movable cavity (210) move oppositely, so that two inserting rods (207) move, a first inclined surface (208) on the inserting rods (207) extrudes a second inclined surface (209), and the first braking block (205) can extend out of the first movable hole (204), so that the first braking block (205) props against the inner wall of the sliding groove (201), friction force is increased, and the movement of the first sliding seat (100) is braked in a decelerating manner.
Step three: the rotary table (203) rotates to drive the rotary drum (302) to rotate, so that the second brake block (304) can move under the action of centrifugal force and prop against the inner wall of the rotary hole (301), the rotation of the rotary drum (302) can be decelerated, meanwhile, hydraulic oil (402) in the rotary drum (302) can be pumped into the movable cavity (210) through opposite movement of the two first pistons (211), the second piston (401) can be moved under the action of pressure, the second piston (401) can move to drive the extrusion block (308) to move, the truncated cone surface (309) can stably extrude the hemispherical surface (310), and the second brake block (304) can stably move against the inner wall of the rotary hole (301);
step four: the rotary drum (302) rotates in the process of driving the eccentric disc (602) to rotate, and under the limit fit of the annular groove (605) and the rotary shaft (604), the eccentric disc (602) rotates to drive the third piston (507) to reciprocate, when the third piston (507) moves towards the inside of the airflow cavity (506), gas in the airflow cavity (506) can be extruded and then enters the inside of the connecting hole (504) through the second one-way valve (509), so that the fourth piston (511) moves upwards, the contact block (503) is driven to move upwards, when the third piston (507) moves towards the inside of the rotary groove (601), at the moment, because the inside of the airflow cavity (506) is in a negative pressure state, external gas enters the airflow cavity (506) through the first one-way valve (508), so that the fourth piston (511) moves upwards continuously along with the reciprocating movement of the third piston (507), and even if the first sliding seat (100) moves to the highest position, the first sliding seat (503) can abut against the inner wall (503) and then impact force of the fourth sliding seat (201) can be buffered through the fourth spring (201).
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| CN202410535844.XA CN118111796B (en) | 2024-04-30 | 2024-04-30 | Method for detecting processability of rubber for tire |
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| CN218865652U (en) * | 2022-11-05 | 2023-04-14 | 山东海瑞试验仪器有限公司 | Tensile torsion combined type testing machine fixture tool |
| CN219657363U (en) * | 2023-03-13 | 2023-09-08 | 四川工业科技学院 | Tensile strength detection device |
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2024
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1675739A1 (en) * | 1989-04-04 | 1991-09-07 | Chubenko Evgenij F | Test unit for one-axis tensile testing of specimens |
| CN107621411A (en) * | 2017-08-31 | 2018-01-23 | 江苏易鼎电力科技有限公司 | A kind of electric armour clamp instrument tensile testing machine |
| CN213580424U (en) * | 2020-10-28 | 2021-06-29 | 东莞市高翔机械设备有限公司 | Gantry type tension testing machine |
| CN112683698A (en) * | 2020-12-21 | 2021-04-20 | 西安交通大学 | Tensile impact test stand with medium strain rate for material |
| CN217277392U (en) * | 2022-05-17 | 2022-08-23 | 江西卫棉纺织集团有限公司 | A tensile detection device for cotton yarn |
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| CN219657363U (en) * | 2023-03-13 | 2023-09-08 | 四川工业科技学院 | Tensile strength detection device |
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| CN118111796B (en) | 2024-07-02 |
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