Pretreatment device and method for recycling waste rubber strip

Abstract

A pretreatment device and method for recycling a waste rubber strip, the device comprises: a base plate 1; a pushing unit 2; a rear end cutting unit 3; a front end cutting unit 4 to cut the rubber str

Description

[0001] The present invention relates to the technical field of waste rubber strip recycling, and in particular, to a pretreatment device for recycling a waste rubber strip and a method thereof. BACKGROUND

[0002] The rubber industry is one of the important basic industries of the national economy. The rubber industry not only provides light industrial rubber products such as daily and medical rubbers which are indispensable to people's daily lives, but also provides various rubber products or rubber components for heavy industries and emerging industries including mining, transportation, construction, machinery and electronics and the like. It can be seen that there are many types of products in the rubber industry, and the backward industries are very broad. However, the pressure of waste rubber materials on environmental protection is gradually increasing along with the use of rubber. Therefore, the recycling of waste rubber materials has become an environmental protection issue to be solved in the industry.

[0003] Chinese Patent No. CN201720935315.4 discloses a waste rubber processing device, which comprises a collecting barrel, wherein a spiral separator is arranged above the collecting barrel, an air extractor is arranged at the left side of the collecting barrel, a dust-proof bag is sleeved at an air outlet of the air extractor, an air inlet of the air extractor is connected to an upper side of an outer surface of the spiral separator through a pipeline, and a crusher housing is arranged at the right side of the collecting barrel. This waste rubber processing device has a simple structure and convenient operation, occupies a small space during use, and can well process the waste rubber. Flying dust can be effectively prevented by the dust-proof bag during the processing of the waste rubber, dust particles doped in rubber particles can be filtered and separated by the spiral separator, and then the rubber particles are collected in the collecting barrel. The waste rubber can be cut into rubber particles by a crushing blade, which facilitates the recycling of the waste rubber. A conveyor belt is applied to not only facilitate feeding but also save manpower, such that the working efficiency of the utility model can be effectively improved.

[0004] However, the following problems exist in this technical solution and in the prior art.

[0005] At present, the rubber is recycled by crushing and reproduction to obtain a new rubber product, new environmental protection issues would be caused with respect to energy and the emission of three wastes in the process, and the recycled rubber produced by rubber recycling has lower market acceptance compared with natural rubber products. Therefore, how to carry out environmentally friendly secondary use of waste rubber strips has become a problem to be solved in the industry. SUMMARY

[0006] Aiming at the defects in the prior art, an objective of the present invention is to provide a pretreatment device for recycling a waste rubber strip. An inclined block is pushed to move by an output shaft of a forward driver, such that symmetrical inclined blocks of a primary closing end and a secondary closing end are closed inward, closed surfaces of the waste rubber strip are then enabled to be squeezed and closed, and semi-finished rubber strips on two sides are then enabled to be closed through squeezing by an external force, which in turn enables the waste rubber strips to be produced into an angled and arched rubber block, and therefore the angled and arched rubber block can be directly used as a collision avoidance comer in a ship deck and for traffic early warning.

[0007] In order to achieve the above-mentioned objective, the present invention provides the following technical solutions.

[0008] A pretreatment device for recycling a waste rubber strip, comprising: a base plate, where supporting legs are provided at a bottom of the base plate; a conveying unit, wherein the conveying unit is used to convey a waste rubber strip that has been cut to be closed, and the conveying unit is arranged at a top of the base plate; a first cutting unit, wherein the first cutting unit is used to cut an outer side of the rubber strip that is exposed, and the first cutting unit is arranged at a side of the conveying unit; a second cutting unit, wherein the second cutting unit is used to cut an inner side of the rubber strip that is exposed, and the second cutting unit is arranged at a side of the first cutting unit; and a shaping unit, wherein the shaping unit is used to draw the rubber strip to be shaped, and the shaping unit is arranged between the first cutting unit and the second cutting unit; wherein the second cutting unit comprises a chamber, and a rolling coating roller is movably arranged inside the chamber; the shaping unit comprises a flat plate, the flat plate is fixedly arranged on the base plate via a side plate, and an inclined block is arranged at a side of the flat plate; to-be-processed waste rubber strip is fixed on a top surface of the inclined block in an inclined manner, the second cutting unit and the first cutting unit are used to cut and trim the waste rubber strip exposed at a left side and a right side of the inclined block, the remaining waste rubber strip is separated at intervals by scraping strips on a top surface of the inclined cushion block of the shaping unit, closed surfaces at an inner side of the cut semi-finished rubber strips are smeared by the rolling coating roller of the shaping unit, and the closed surfaces at the inner side of the semi-finished rubber strips on two sides are squeezed and closed by the conveying unit.

[0009] Preferably, the conveying unit comprises a primary closing end and a secondary closing end, wherein two movable top rails are arranged at tops of the primary closing end and the secondary closing end, and the two movable top rails are axially and symmetrically arranged; and an inner side of the movable top rail is provided with a forward driver, the forward driver is preferably an air cylinder, a forward side of the forward driver is connected to a connecting block, the connecting block is connected to the inclined block, an upper of the connecting block is fixedly connected to a connecting plate, a slider at a bottom of the connecting plate is movably connected to the movable top rail, the first cutting unit is arranged between the inclined block and the forward driver, and the connecting plate is arranged at a bottom of the first cutting unit.

[0010] Preferably, the first cutting unit comprises a movable rail frame, and rail frame legs 3 are mounted at a bottom of the movable rail frame, wherein the rail frame legs are arranged on the base plate, a power source is arranged at a side of the movable rail frame, an output shaft of the power source is connected to a movable block, and the movable block is movably connected to the movable rail frame; and a mounting frame is mounted on the movable block, and a cutting source is fixedly mounted on the mounting frame, wherein an output shaft of the cutting source is connected to a cutter, a baffle plate is arranged at a top of the cutter, and a blowing port is arranged at an outer side of the cutter.

[0011] Preferably, the second cutting unit comprises a transfer rail and one first cutting unit, the transfer rail is arranged at a side of the shaping unit, a rail pushing source is arranged at an end of the transfer rail, an output end of the rail pushing source is connected to a transfer block, and the transfer block is connected to the first cutting unit; and a rolling coating roller is movably arranged inside the chamber, the rolling coating roller is arranged on a restraining rail, and a loop rail is mounted to a top of the restraining rail.

[0012] Preferably, a rolling coating roller shaft is arranged in a middle of the rolling coating roller, a connecting arm is connected to the rolling coating roller shaft, a clamping rod is mounted at a bottom of an outer side of the connecting arm, a rolling wheel is mounted on the clamping rod, and the rolling wheel is movably connected to an inner groove in a surface of a driven rail; and the driven rail includes a falling section and a lifting section.

[0013] Preferably, an isolation groove is arranged between the flat plate and the inclined block, and a side straight groove is formed on a side surface of the inclined block that is far away from the forward driver.

[0014] Preferably, a cushion block driver is mounted at a side of the inclined block, and the cushion block driver has a telescopic shaft; and a side insertion plate is mounted to one side of the telescopic shaft that is close to the inclined block, and the side insertion plate cooperates with a side straight groove at a side of the inclined block.

[0015] Preferably, a storage box is mounted to one side of the telescopic shaft that is far 4 away from the inclined block, and an upright frame is mounted to a top of the telescopic shaft; and an inclined cushion block being coplanar with a top surface of the inclined block is mounted to a top of the upright frame, the inclined cushion block is mounted in a side box, and the side box is mounted on the upright frame.

[0016] Preferably, a plurality of groups of scraping strips are sequentially arranged on a surface of the inclined cushion block in an inclined manner, flow channels are arranged between adjacent scraping strips, and the scraping strips and the flow channels are in mirror symmetry with a centre line of the inclined cushion block as a symmetry axis; and the left side and right side of the inclined block are symmetrically provided with a squeezing frame, a top of the squeezing frame is provided with a top frame, a fixed driver is arranged on the top frame, and a connecting shaft of the fixed driver is connected to a fixed plate.

[0017] Aiming at the defects in the prior art, another objective of the present invention is to provide a pretreatment method for recycling a waste rubber strip, which realizes direct processing of a waste rubber block and has the effect of saving energy with the step I to step V described below.

[0018] In order to achieve the above-mentioned objective, the present invention provides the following technical solutions.

[0019] A pretreatment method for recycling a waste rubber strip, comprising: step I, fixing treatment: fixing the waste rubber strip to a top surface of an inclined block in an inclined manner; step II, cutting an outer side of the waste rubber strip: enabling a cutter of a first cutting unit to trim a part of the rubber strip that is exposed at an outer side of the inclined block; step III, performing a pretreatment on an inner side of the waste rubber strip: enabling a cushion block driver to push the inclined cushion block to be coplanar with the inclined block, such that the scraping strip is positioned on a bottom surface of the rubber strip; and step IV, cutting the inner side of the waste rubber strip: enabling a cutter at one side 5 of a second cutting unit to vertically cut a flat surface with respect to remaining part at an inner side of the inclined cushion block; and step V, closing and shaping: after the cutting is completed, smearing a closed surface of a semi-finished rubber strip with a rolling coating roller, enabling closed surfaces of the semi-finished rubber strips on two sides to be closed and squeezed, and enabling the inclined cushion block to be pulled back.

[0020] The beneficial effects of the present invention are as follows.

[0021] (1) According to the present invention, the inclined block is pushed to move by the output shaft of the forward driver, such that the symmetrical inclined blocks of the primary closing end and the secondary closing end are closed inward, the closed surface is then enabled to be squeezed and closed, and the semi-finished rubber strips on two sides are then enabled to be closed through squeezing by an external force, which in turn enables the waste rubber strips to be produced into an angled and arched rubber block, and therefore the angled and arched rubber block can be directly used as a collision avoidance comer in a ship deck and for traffic early warning.

[0022] (2) According to the present invention, the rolling coating roller is pushed by the rail pushing source under the traction of the connecting arm and the clamping rod, such that the rolling coating roller is rotated in a loop to be close to the semi-finished rubber strip under the traction of the driven rail at the side of the rolling coating roller, and the closed surfaces of the semi-finished rubber strip are smeared with glue; after the closed surfaces are accomplished, the inclined cushion block, the second cutting unit and the first cutting unit are all reset, and when the inclined cushion block is reset, the scraping strip would be enabled to pull the redundant glue on the bottom surface of the rubber strip back into the flow channels, such that the glue overflow is reduced, and the redundant glue flows back into the side box, which improves the resource utilization.

[0023] (3) According to the present invention, the telescopic shaft at the side of the cushion block driver is moved linearly in the side straight groove in cooperation with the side insertion plate, such that the inclined cushion block at the top of the telescopic shaft is coplanar with the inclined block; and further, a plurality of groups of scraping strips are arranged on the bottom surface of the rubber strip, and providing the scraping strips can 6 reduce the phenomenon that residual glue flows back onto the inclined block through the bottom surface of the rubber strip in an inclined manner when applying the glue; the first cutting unit is pushed by the rail pushing source to cut the rubber strip, and further, the closed surface of the semi-finished rubber strip is formed by cutting, thereby completing the recycling and processing of the waste rubber strip.

[0024] (4) According to the present invention, the output shaft of the power source is pushed by the power source to drive the movable block to move on the top surface of the movable rail frame, such that the cutter at the top of the movable block is driven by rotation of the cutting source to enable the cutter to finish the cutting and trimming of the rubber strip on the top surface of the inclined block, and therefore, the outer side surface of the semi-finished rubber strip is formed by cutting, which facilitates the resource reorganization of the waste rubber strip and reduces the energy consumption of reprocessing.

[0025] In conclusion, the present invention has the advantages of having a good waste rubber strip recycling effect and having a lower energy consumption. BRIEF DESCRIPTION OF DRAWINGS

[0026] FIG. 1 is a schematic diagram of an overall structure according to the present invention.

[0027] FIG. 2 is a schematic diagram of a structural connection of a connecting block according to the present invention.

[0028] FIG. 3 is a schematic diagram of an enlarged structure of part A in FIG. 2.

[0029] FIG. 4 is a schematic diagram of a structural connection of a transfer rail according to the present invention.

[0030] FIG. 5 is a schematic diagram of an enlarged structure of part B in FIG. 4.

[0031] FIG. 6 is a schematic diagram of an enlarged structure of part C in FIG. 4.

[0032] FIG. 7 is a schematic diagram of a structural connection of a squeezing frame according to the present invention.

[0033] FIG. 8 is a schematic diagram of a structural connection of a chamber according to the present invention.

[0034] FIG. 9 is a schematic diagram of a structural connection of a clamping rod according to the present invention.

[0035] FIG. 10 is a schematic diagram of a structural connection of a driven rail according to the present invention.

[0036] FIG. 11 is a schematic diagram of a structural connection of a semi-finished rubber strip according to the present invention; and

[0037] FIG. 12 is a schematic flow chart of a process according to the present invention.

[0038] Reference numerals:

[0039] 1: base plate; 101: supporting leg; 2: conveying unit; 201: primary closing end; 202: secondary closing end; 203: movable top rail; 204: forward driver; 2041: output shaft; 205: connecting block; 206: slider; 207: connecting plate; 3: first cutting unit; 301: movable rail frame; 3011: rail frame leg; 302: power source; 303: movable block; 304: mounting frame; 305: cutting source; 306: cutter; 307: baffle plate; 308: blowing port; 4: second cutting unit; 401: transfer rail; 4011: rail pushing source; 402: transfer block; 403: chamber; 4031: rolling coating roller shaft; 404: rolling coating roller; 405: restraining rail; 4051: loop rail; 406: connecting arm; 407: clamping rod; 4071: rolling wheel; 408: driven rail; 4081: inner groove; 4082: falling section; 4083: lifting section; 5: shaping unit; 501: flat plate; 5011: side plate; 502: inclined block; 5021: side straight groove; 5022: semi-finished rubber strip; 50221: outer side surface; 50222: closed surface; 503: isolation groove; 504: cushion block drive; 5041: telescopic shaft; 50411: side insertion plate; 505: storage box; 506: upright frame; 5061: side box; 507: inclined cushion block; 508: scraping strip; 5081: flow channel; 509: squeezing frame; 5091: top frame; 5092: fixed driver; and 5093: fixed plate. DETAILED DESCRIPTION OF EMBODIMENTS

[0040] The following clearly and completely describes the technical solutions in embodiments of the present invention with reference to the accompanying drawings in embodiments of the present invention. It is clear that the described embodiments are merely a part rather than all of embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort fall within the protection scope of the present invention.

[0041] In the description of the present invention, it should be understood that directions or positional relationships indicated by the terms "centre", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like are those shown based on the accompanying drawings, and are merely intended to facilitate and simplify description rather than indicate or imply that the indicated device or element must have a specific direction and must be configured and operated according to the specific direction. Therefore, these directions or positional relationships should not be construed as limiting the present invention.

[0042] Furthermore, the terms "first" and "second" are merely intended for a purpose of description, and shall not be understood as an indication or implication of relative importance or an implicit indication of a quantity of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more such features. In the description of the present disclosure, "a plurality of' means two or more unless specifically limited otherwise.

[0043] Embodiment 1

[0044] As shown in FIGs. 1 to 11, the present embodiment provides a pretreatment device for recycling a waste rubber strip, comprising: a base plate 1, wherein supporting legs 101 are arranged at a bottom of the base plate 1; a conveying unit 2, wherein the conveying unit 2 is used to convey a waste rubber strip that has been cut to be closed, and the conveying unit 2 is arranged at a top of the base plate 1; a first cutting unit 3, wherein the first cutting unit 3 is used to cut an outer side of the rubber strip that is exposed, and the first cutting unit 3 is arranged at a side of the conveying unit 2; a second cutting unit 4, wherein the second cutting unit 4 is used to cut an inner side of the rubber strip that is exposed, and the second cutting unit 4 is arranged at a side of the first cutting unit 3; and a shaping unit 5, wherein the shaping unit 5 is used to draw the rubber strip to be shaped, and the shaping unit 5 is arranged between the first cutting unit 3 and the second cutting unit 4; the second cutting unit 4 comprises a chamber 403, and a rolling coating roller 404 9 is movably arranged inside the chamber 403; the shaping unit 5 comprises a flat plate 501, the flat plate 501 is fixedly arranged on the base plate 1 via a side plate 5011, and an inclined block 502 is arranged at a side of the flat plate 501; to-be-processed waste rubber strip is fixed on a top surface of the inclined block 502 in an inclined manner, the second cutting unit 4 and the first cutting unit 3 are used to cut and trim the waste rubber strip that is exposed at a left side and a right side of the inclined block 502, the remaining waste rubber strip is separated at intervals by the scraping strips 508 on a top surface of the inclined cushion block 507 of the shaping unit 5, the closed surfaces 50222 at an inner side of the cut semi-finished rubber strips 5022 are smeared by the rolling coating roller 404 of the shaping unit 5, and closed surfaces at the inner side of the semi-finished rubber strips 5022 on two sides are squeezed and closed by the conveying unit 2.

[0045] As shown in FIGs. 1 to 3, the conveying unit 2 comprises a primary closing end 201 and a secondary closing end 202, wherein two movable top rails 203 are arranged at a top of the primary closing end 201 and the secondary closing end 202, and the two movable top rails 203 are axially symmetrically arranged; an inner side of the movable top rail 203 is provided with a forward driver 204, the forward driver 204 is preferably an air cylinder, a forward side of the forward driver 204 is connected to a connecting block 205, the connecting block 205 is connected to the inclined block 502, an upper of the connecting block 205 is fixedly connected to a connecting plate 207, a slider 206 at a bottom of the connecting plate 207 is movably connected to the movable top rail 203, the first cutting unit 3 is arranged between the inclined block 502 and the forward driver 204, and the connecting plate 207 is arranged at a bottom of the first cutting unit 3.

[0046] As shown in FIGs. 2 to 5, the first cutting unit 3 comprises a movable rail frame 301, and rail frame legs 3011 are mounted at the bottom of the movable rail frame 301, wherein the rail frame legs 3011 are arranged on the base plate 1, a power source 302 is arranged at a side of the movable rail frame 301, an output shaft of the power source 302 is connected to a movable block 303, and the movable block 303 is movably connected to the movable rail frame 301; a mounting frame 304 is mounted on the movable block 303, and a cutting source 305 is fixedly mounted on the mounting frame 304, wherein an output shaft of the cutting source 305 is connected to a cutter 306, a baffle plate 307 is arranged at a top of the cutter 306, and a blowing port 308 is arranged at an outer side of the cutter 306. The power source 302 is preferably an air cylinder, the cutting source 305 is a three-phase reduction motor, and an air source (not shown) for the blowing port 308 is provided by an air blower.

[0047] The output shaft of the power source 302 is pushed by the power source 302 to drive the movable block 303 to move on a top surface of the movable rail frame 301, such that the cutter 306 at the top of the movable block 303 is driven by rotation of the cutting source 305 to enable the cutter 306 to finish the cutting and trimming of the rubber strip on the top surface of the inclined block 502, and therefore, the outer side surface 50221 of the semi-finished rubber strip 5022 is formed by cutting, which facilitates the resource reorganization of the waste rubber strip and reduces the energy consumption of reprocessing.

[0048] The side insertion plate 50411 is mounted on the telescopic shaft 5041, the side straight groove 5021 is arranged on the inclined block 502, the side box 5061 is mounted on the telescopic shaft 5041, the inclined cushion block 507 is mounted on the side box 5061, the telescopic shaft 5041 of the cushion block driver 504 moves linearly to enable the side insertion plate 50411 to move linearly in the side straight groove 5021, such that the inclined cushion block 507 at a top of the telescopic shaft 5041 is coplanar with the inclined block 502. The scraping strips 508 are arranged on the top surface of the inclined cushion block 507, and providing the scraping strips 508 can reduce the phenomenon that residual glue flows back onto the inclined block 502 through a bottom surface of the rubber strip in an inclined manner when applying the glue.

[0049] The rubber strip is cut by the second cutting unit 4, such that the closed surface 50222 of the semi-finished rubber strip 5022 is formed by cutting, thereby completing the recycling and processing of the waste rubber strip.

[0050] Embodiment 2

[0051] A pretreatment device for recycling a waste rubber strip, comprising: a base plate 1, wherein supporting legs 101 are arranged at a bottom of the base n plate 1; a conveying unit 2, wherein the conveying unit 2 is used to convey a waste rubber strip that has been cut to be closed, and the conveying unit 2 is arranged at a top of the base plate 1; a first cutting unit 3, wherein the first cutting unit 3 is used to cut an outer side of the rubber strip that is exposed, and the first cutting unit 3 is arranged at a side of the conveying unit 2; a second cutting unit 4, wherein the second cutting unit 4 is used to cut an inner side of the rubber strip that is exposed, and the second cutting unit 4 is arranged at a side of the first cutting unit 3; and a shaping unit 5, wherein the shaping unit 5 is used to draw the rubber strip to be shaped, and the shaping unit 5 is arranged between the first cutting unit 3 and the second cutting unit 4.

[0052] As shown in FIGs. 2 to 10, the second cutting unit 4 comprises a transfer rail 401 and a first cutting unit 3, the transfer rail 401 is arranged at a side of the shaping unit 5, a rail pushing source 4011 is arranged at an end of the transfer rail 401, an output end of the rail pushing source 4011 is connected to a transfer block 402, and the transfer block 402 is connected to the first cutting unit 3; and the rail pushing source 4011 is preferably an air cylinder; and a rolling coating roller 404 is arranged inside the chamber 403, the rolling coating roller 404 is arranged on a restraining rail 405, and a loop rail 4051 is mounted to a top of the restraining rail 405.

[0053] As shown in FIGs. 8 to 10, a rolling coating roller shaft 4031 is arranged in a middle of the rolling coating roller 404, a connecting arm 406 is connected to the rolling coating roller shaft 4031, a clamping rod 407 is mounted at a bottom of an outer side of the connecting arm 406, a rolling wheel 4071 is mounted on the clamping rod 407, and the rolling wheel 4071 is movably connected to an inner groove 4081 in a surface of a driven rail 408; and the driven rail 408 includes a falling section 4082 and a lifting section 4083.

[0054] As shown in FIGs. 5 to 7 and FIG. 11, the shaping unit 5 comprises a flat plate 501, 12 the flat plate 501 is fixedly arranged on the base plate 1 via a side plate 5011, and an inclined block 502 is arranged at a side of the flat plate 501; and an isolation groove 503 is arranged between the flat plate 501 and the inclined block 502, and a side straight groove 5021 is formed on a side surface of the inclined block 502 that is far away from the forward driver 204.

[0055] A cushion block driver 504 is mounted at a side of the inclined block 502, the cushion block driver 504 is preferably an air cylinder, and the cushion block driver 504 has a telescopic shaft 5041; and a side insertion plate 50411 is mounted to one side of the telescopic shaft 5041 that is close to the inclined block 502, and the side insertion plate 50411 cooperates with a side straight groove 5021 at the side of the inclined block 502.

[0056] A storage box 505 is mounted to one side of the telescopic shaft 5041 that is far away from the inclined block 502, and an upright frame 506 is mounted to a top of the telescopic shaft 5041; and an inclined cushion block 507 being coplanar with a top surface of the inclined block 502 is mounted to a top of the upright frame 506, the inclined cushion block 507 is mounted in a side box 5061, and the side box 5061 is mounted on the upright frame 506. The storage box 505 and the side box 5061 are used to store glue.

[0057] A plurality of groups of scraping strips 508 are sequentially arranged on a surface of the inclined cushion block 507 in an inclined manner, flow channels 5081 are arranged between adjacent scraping strips 508, and the scraping strips 508 and the flow channels 5081 are in mirror symmetry with a centre line of the inclined cushion block 507 as a symmetry axis; and the left side and right side of the inclined block 502 are symmetrically provided with a squeezing frame 509, a top of the squeezing frame 509 is provided with a top frame 5091, a fixed driver 5092 is arranged on the top frame 5091; and the fixed driver 5092 is preferably an air cylinder, and a connecting shaft of the fixed driver 5092 is connected to a fixed plate 5093, such that the waste rubber strip is fixed by the fixed plate 5093; and the semi-finished rubber strip 5022 is mounted at a top of the inclined block 502, wherein one side of the semi-finished rubber strip 5022 is provided as an outer side surface 50221, and 13 the other side of the semi-finished rubber strip 5022 is provided as a closed surface 50222.

[0058] After the cutting is completed, the rolling coating roller 404 is constrained by the driven rail 408 and is simultaneously pushed by the rail pushing source 4011, such that when the rolling coating roller 404 is moved to the side of the closed surface 50222, the rolling coating roller 404 is lifted due to the traction of the lifting section 4083, and when the rolling coating roller 404 is lifted, the rolling coating roller 404 is rotated in a loop to be close to the semi-finished rubber strip 5022 under the traction of the loop rail 4051, and the closed surfaces 50222 of the semi-finished rubber strip 5022 are smeared with glue; after the closed surfaces 50222 are accomplished, the inclined cushion block 507, the second cutting unit 4 and the first cutting unit 3 are all reset, and when the inclined cushion block 507 is reset, the scraping strip 508 would be enabled to pull the redundant glue on the bottom surface of the rubber strip back into the flow channel 5081, such that the glue overflow is reduced, and the redundant glue flows back into the side box 5061, which improves the resource utilization.

[0059] Also, after the glue smearing is completed, the inclined block 502 is pushed to move by the output shaft 2041 of the forward driver 204, such that the symmetrical inclined blocks 502 of the primary closing end 201 and the secondary closing end 202 are closed inward, the closed surfaces 50222 are then enabled to be squeezed and closed, and the semi-finished rubber strips 5022 on two sides are then enabled to be closed through squeezing by an external force, which in turn enables the waste rubber strips to be produced into an angled and arched rubber block, and therefore the angled and arched rubber block can be directly used as a collision avoidance comer in a ship deck and for traffic early warning.

[0060] Embodiment 3

[0061] As shown in FIG. 12, the present embodiment provides a pretreatment method for recycling a waste rubber strip, comprising the following steps: step I, fixing treatment: fixing the waste robber strip to a top surface of an inclined block 502 in an inclined manner; step II, cutting an outer side of the waste robber strip: enabling a cutter 306 of a first cutting unit 3 to trim a part of the robber strip that is exposed at an outer side of an 14 inclined block 502; step III, performing a pretreatment on an inner side of the waste rubber strip: enabling a cushion block driver 504 to push a inclined cushion block 507 to be coplanar with the inclined block 502, such that a scraping strip 508 is positioned on a bottom surface 5 of the rubber strip; step IV, cutting the inner side of the waste rubber strip: enabling a cutter 306 at one side of a second cutting unit 4 to vertically cut a flat surface with respect to remaining part at an inner side of the inclined cushion block 507; and step V, closing and shaping: after the cutting is completed, smearing a closed 10 surface 50222 of a semi-finished rubber strip 5022 with a rolling coating roller 404, enabling closed surfaces 50222 of the semi-finished rubber strips 5022 on two sides to be closed and squeezed, and enabling the inclined cushion block 507 to be pulled back.

[0062] The above mentioned contents are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent 15 substitution, improvement and the like made within the spirit and principle of the present invention shall all fall within the scope of protection of the present invention.

Claims

1. A pretreatment device for recycling a waste rubber strip, characterized in that the pretreatment device comprises:a base plate;a conveying unit, wherein the conveying unit is configured to convey a waste rubber strip that has been cut to be closed, and the conveying unit is provided at a top of the base plate;a first cutting unit, wherein the first cutting unit is configured to cut an outer side of the rubber strip that is exposed, and the first cutting unit is provided at a side of the conveying unit;a second cutting unit, wherein the second cutting unit is configured to cut an inner side of the rubber strip that is exposed, and the second cutting unit is provided at a side of the first cutting unit;a shaping unit, wherein the shaping unit is configured to draw the rubber strip to be shaped, and the shaping unit is provided between the first cutting unit and the second cutting unit;wherein the second cutting unit comprises a chamber, and the chamber is provided with a rolling coating roller;the shaping unit comprises a flat plate, and the flat plate is fixedly provided on the base plate via a side plate, a side of the flat plate is provided with an inclined block;a side of the inclined block is provided with a cushion block driver, and the cushion block driver comprises a telescopic shaft,one side of the telescopic shaft that is close to the inclined block is provided with a side insertion plate, and the side insertion plate cooperates with a side straight groove at a side of the inclined block;an upright frame is provided on a top of the telescopic shaft, and an inclined cushion block being coplanar with a top surface of the inclined block is provided at a top of the upright frame;wherein a to-be-processed waste rubber strip is tilted and fixed on the top surface ofthe inclined block; the first cutting unit and second cutting unit cut and trim the waste rubber strip that is exposed on a left side and a right side of the inclined block, remaining waste rubber strip is divided by a scraper on a top surface of the inclined cushion block of the shaping unit; the rolling coating roller applies coating to a closed surface of the inner side of the rubber strip that has been cut, and the conveying unit presses and closes the closed surface on the inner side of the rubber strip on two sides.

2. The pretreatment device for recycling the waste rubber strip according to claim 1, characterized in that the conveying convey unit comprises a primary closing end and a secondary closing end,wherein two movable top rails are provided at tops of the primary closing end and the secondary closing end, and the two movable top rails are axially and symmetrically provided;an inner side of the movable top rail is provided with a forward driver, the forward driver is an air cylinder,a forward side of the forward driver is connected to a connecting block, and the connecting block is connected to the inclined block;an upper of the connecting block is fixedly connected to a connecting plate, a slider at a bottom of the connecting plate is movably connected to the movable top rail,the first cutting unit is provided between the inclined block and the forward driver, and the connecting plate is provided at a bottom of the first cutting unit.

3. The pretreatment device for recycling the waste rubber strip according to claim 1, characterized in that the first cutting unit comprises a movable rail frame, and rail frame legs are provided at a bottom of the movable rail frame,wherein the rail frame legs are provided on the base plate, a power source is provided at a side of the movable rail frame,an output shaft of the power source is connected to a movable block, and the movable block is movably connected to the movable rail frame;a mounting frame is provided on the movable block, and a cutting component is fixedly provided on the mounting frame,wherein an output shaft of the cutting component is connected to a cutter, a baffle plateis provided at a top of the cutter, and a blowing port is provided at an outer side of the cutter.

4. The pretreatment device for recycling the waste rubber strip according to any one of claims 1 to 3, characterized in that the second cutting unit comprises a transfer rail and one first cutting unit; the transfer rail is provided at a side of the shaping unit,a rail conveying source is provided at an end of the transfer rail, an output end of the rail conveying source is connected to a transfer block, and the transfer block is connected to the first cutting unit;the chamber is provided with the rolling coating roller, the rolling coating roller is provided on a restraining rail of the chamber, and a top of the restraining rail is provided with a loop rail.

5. The pretreatment device for recycling the waste rubber strip according to claim 4, characterized in that a middle of the rolling coating roller is provided with a rolling coating roller shaft,a connecting arm is connected to the rolling coating roller shaft, a clamping rod is provided at a bottom of an outer side of the connecting arm, a rolling wheel is provided on the clamping rod, and the rolling wheel is movably connected to an inner groove of a surface of a driven rail;the driven rail comprises a falling section and a lifting section.

6. The pretreatment device for recycling the waste rubber strip according to claim 4, characterized in that an isolation groove is provided between the flat plate and the inclined block, and the side straight groove is provided on a side surface of the inclined block that is far away from the forward driver.

7. The pretreatment device for recycling the waste rubber strip according to claim 6, characterized in that one side of the telescopic shaft that is far away from the inclined block is provided with a storage box, the inclined cushion block is provided in a side box, and the side box is provided on the upright frame.

8. The pretreatment device for recycling the waste rubber ship according to claim 7, characterized in that a plurality of groups of scraping strips are sequentially provided on a surface of the inclined cushion block in an inclined manner, flow channels are providedbetween adjacent scraping strips,the scraping strips and the flow channels are symmetry provided with a centre line of the inclined cushion block as a symmetry axis;the left side and right side of the inclined block are symmetrically provided with a squeezing frame, a top of the squeezing frame is provided with a top frame, a fixed driver is provided on the top frame, and a connecting shaft of the fixed driver is connected to a fixed plate.

9. A pretreatment method for recycling a waste rubber strip with the pretreatment device for recycling the waste rubber strip according to any one of claims 1 to 8, characterized in that the pretreatment method comprises the following steps:step 1, fixing treatment: fixing the waste rubber strip to a top surface of an inclined block in an inclined manner;step 2, cutting an outer side of the waste rubber strip: trimming a part of the rubber strip that is exposed at an outer side of the inclined block by a cutter of a first cutting unit;step 3, performing a pretreatment on an inner side of the waste rubber strip: enabling an inclined cushion block to be coplanar with the inclined block by a cushion block driver so that a scraping strip is on a bottom surface of the waste rubber strip;step 4, cutting the inner side of the waste rubber strip: enabling the cutter at one side of a second cutting unit to vertically cut a flat surface with respect to remaining part at an inner side of the inclined cushion block; andstep 5, closing and shaping: after the cutting is completed, smearing a closed surface of a semi-finished rubber strip with a rolling coating roller, enabling closed surfaces of the semi-finished rubber strip on two sides to be closed and squeezed, and enabling the inclined cushion block to be pulled back.

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