A cutting device for special rubber extruded rubber strip

Abstract

The present application relates to the technical field of rubber processing, and specifically discloses a cutting device for special rubber extruded rubber strips, which comprises a mounting seat and a controller, the left side of the mounting seat is installed with a conveying line, the controller is installed on the upper surface of the mounting seat, two front and rear opposite blocking rods are installed on the right side of the upper surface of the mounting seat to block the rubber strips, a conveying and measuring mechanism is installed on the lower surface of the mounting seat, the conveying and measuring mechanism can accurately measure the cutting length of the rubber strips, a cutting mechanism is installed on the right end of the rear side of the mounting seat to cut the rubber strips; the conveying and measuring mechanism comprises a casing installed on the lower surface of the mounting seat, two first guide rods are installed on the opening at the top of the casing along the front and rear directions, and a sliding seat and a spring are respectively sleeved on the front and rear ends of the outer wall of the first guide rods. The device can accurately cut rubber strips of various specifications to a fixed length, the length of the rubber strips is the same, and the device does not need to cut the rubber strips twice, thereby saving time and effort, and the device has a cutter cleaning function to prevent the cutter from becoming blunt and affecting the cutting quality.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of rubber processing, in particular to a cutting device for special rubber extruded rubber strip. BACKGROUND

[0002] As a high-elastic polymer material with reversible deformation, rubber is elastic at room temperature, can produce large deformation under small external force, and can restore to original state after removing external force. Rubber products produced from natural and synthetic rubber as raw materials, especially rubber strips, have been widely used in many fields such as construction, automobile, machinery and electronics due to their sealing, noise reduction, protection and other functions.

[0003] The processing technology of rubber strip usually includes raw material preparation, mixing, extrusion, vulcanization, cooling and cutting. Among them, the cutting step is to cut the continuous rubber strip after extrusion according to a specific length to meet the subsequent use requirements. However, the existing rubber strip cutting device has many problems: because the rubber strip is soft, it is difficult to keep straight during transportation, resulting in inconsistent length of the cut rubber strip, often requiring secondary cutting to obtain standard length products, which not only wastes time and effort, but also reduces production efficiency; in addition, rubber molecules or particles are easily left on the surface of the cutter during cutting, which will cause the cutter to become blunt after long-term accumulation, thereby affecting the cutting quality of the rubber strip and making the rubber strip end face uneven. Therefore, there is an urgent need for a rubber strip cutting device with fixed-length cutting function and ensuring cutting quality. SUMMARY

[0004] The purpose of the present application is to provide a cutting device for special rubber extruded rubber strip to solve the problems of inconsistent length of rubber strip cutting, time-consuming and laborious processing, and poor cutting quality in the prior art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a cutting device for special rubber extruded rubber strip, comprising a mounting seat and a controller, the left side of the mounting seat is installed with a conveying line, the controller is installed on the upper surface of the mounting seat, two front and rear opposite blocking rods are installed on the right side of the upper surface of the mounting seat, which play a blocking role for the rubber strip, a conveying measuring mechanism is installed on the lower surface of the mounting seat, which can accurately measure the cutting length of the rubber strip, a cutting mechanism is installed on the right end of the rear side of the mounting seat, which realizes the cutting of the rubber strip.

[0006] Preferably, the delivery measuring mechanism comprises a shell mounted on the lower surface of the mounting base, two first guide rods are mounted on the top opening of the shell in the front-back direction, slide seats and springs are respectively sleeved on the front and back ends of the outer wall of the first guide rods, the slide seats are pushed forward under the elastic force of the springs, a delivery assembly is mounted on the upper surface of the shell at the rear side, the rubber strip moves from left to right through the delivery assembly, a travel switch electrically connected with the controller is inlaid in the front end of the lower surface of the slide seat, a first rotating shaft capable of rotating around its own axis is mounted on the lower surface of the slide seat at the middle part through a bearing, an adjusting assembly is mounted on the outer wall of the first rotating shaft, a plurality of telescopic rods are equidistantly mounted on the top of the outer wall of the first rotating shaft in the circumferential direction, a limiting block corresponding to the position of the travel switch is mounted on the top outer side of one of the telescopic rods, an arc-shaped plate is mounted on the outer side of the telescopic rod, a triangular belt is sleeved on the outer wall of the arc-shaped plate at one side, the other side of the triangular belt is sleeved with the delivery assembly, the delivery assembly and the first rotating shaft are connected through the triangular belt, the reverse rotation of the delivery roller is realized through the transmission of the two first gears, the rubber strip is delivered from left to right, the limiting block touches the travel switch after the arc-shaped plate is rotated by the triangular belt for one revolution, the length of the cut rubber strip is measured, and the rubber strip is accurately and fixed-length cut.

[0007] Preferably, length units are arranged on the outer wall of the first rotating shaft.

[0008] Preferably, the delivery assembly comprises a gear box mounted on the upper surface of the shell at the rear end, two second rotating shafts are mounted on the upper surface of the gear box at the front and back ends through bearings, first gears are mounted on the outer wall of the second rotating shafts and mesh with each other, a motor is mounted on the lower surface of the gear box and connected with the bottom end of the second rotating shaft through a shaft coupling, the motor is electrically connected with the controller, a belt pulley is mounted on the bottom end of the outer wall of the second rotating shaft at the front side, and the triangular belt is sleeved on the outer wall of the belt pulley, a delivery roller is mounted on the top of the second rotating shaft, and the rubber strip is delivered through the rotation of the delivery roller.

[0009] Preferably, the adjusting assembly comprises a sleeve sleeved on the outer wall of the first rotating shaft, the outer wall of the sleeve is connected with the bottom of the connecting rod through a pin shaft, a plurality of brake pieces are mounted on the bottom of the sleeve in the circumferential direction, and threads are arranged on the outer wall of the brake pieces, fastening nuts are screwed on the outer wall of the brake pieces.

[0010] Preferably, the outer wall of the brake piece is in the shape of an inclined plane.

[0011] Preferably, the cutting mechanism comprises a water tank mounted at the right end of the rear side of the mounting seat, the water tank stores rubber dissolving agent, a cleaning assembly is mounted on the top of the front inner wall of the water tank, a support plate is mounted on the right side wall of the water tank, a guide groove is formed in the outer wall of the support plate in the front-rear direction, a first air cylinder electrically connected with the controller is mounted on the top of the left side wall of the support plate at the rear end, a push plate is mounted on the output end of the first air cylinder, a lifting rod capable of sliding up and down is inserted into the inner cavity of the push plate, a roller is mounted on the right side wall of the lifting rod at the bottom, the height of the lifting rod is controlled through the cooperation of the roller and the guide groove, a cutter is mounted on the bottom of the lifting rod, and the rubber strip is cut off by moving the cutter forward; under the cooperation of the guide groove and the roller, the cutter can enter the water tank, the rubber residues on the surface of the cutter are dissolved, and the cleaning assembly can clean the impurities on the surface of the cutter, so that the cutting rubber strip is sharp.

[0012] Preferably, the guide groove is horizontally arranged on the outer wall of the support plate, and the rear side is inclined downward.

[0013] Preferably, the cleaning assembly comprises a box body mounted on the top of the front inner wall of the water tank, second guide rods are mounted in the inner cavity of the box body on the left and right sides, moving plates are sleeved on the left and right sides of the outer wall of the second guide rods, a second gear is connected to the center position in the inner cavity of the box body through a pin shaft, a rack is mounted on the top of the moving plate and is in meshing connection with the second gear, a second air cylinder electrically connected with the controller is mounted on the left side of the box body, the left moving plate is driven to move left and right by the second air cylinder, and a scraper is mounted at the rear end of the moving plate, when the scraper is in contact with the cutter, the scraper can scrape off the impurities on the surface of the cutter.

[0014] Preferably, the two racks are located on the left and right sides of the second gear.

[0015] The special rubber strip cutting device has the advantages that:

[0016] 1. The length and precision of the rubber strip of various specifications can be cut: the rubber strip is conveyed by the conveying assembly in the conveying and measuring mechanism, the arc-shaped plate is rotated synchronously with the conveying assembly through the triangular belt transmission, the conveying length of the rubber strip can be accurately measured when the limit block touches the travel switch, and the length cutting is realized; the rotating diameter formed by the arc-shaped plate can be adjusted through the adjusting assembly, so that the cutting demand of the rubber strip of different lengths can be met, the length of the cut rubber strip is uniform, and secondary cutting is not needed, so that the time and labor cost are greatly saved.

[0017] 2. The cutting knife cleaning function, to ensure cutting quality: cutting mechanism in the water tank storage has rubber dissolving agent, in the guide groove and the cooperation of the roller, the cutting knife can be returned to the water tank, using the dissolving agent to dissolve the surface residual rubber residue; at the same time, the scraper in the cleaning assembly can scrape the surface of the cutting knife in the moving process, effectively prevent the cutting knife from being blunt due to residual impurities, ensure the sharpness of the cutting knife, so as to ensure the flatness of the rubber strip cutting end face, improve the cutting quality.

[0018] 4. Stable and reliable operation: the spring in the conveying and measuring mechanism drives the sliding seat to move forward, ensuring that the arc plate and the triangular belt always maintain good contact, ensuring the stability of the transmission; the adjusting assembly can stably fix the position of the arc plate through the cooperation of the brake piece and the fastening nut, avoiding deviation during operation, further ensuring the accuracy of measurement and cutting. The overall equipment works cooperatively, runs stably, and can meet the needs of continuous production. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural diagram of the present application;

[0020] Figure 2 is a structural diagram of the conveying and measuring mechanism;

[0021] Figure 3 is a left view of the conveying and measuring mechanism;

[0022] Figure 4 is Figure 3 is an enlarged view of A in the figure;

[0023] Figure 5 is Figure 3 is an enlarged view of B in the figure;

[0024] Figure 6 is a structural diagram of the conveying and measuring mechanism;

[0025] Figure 7 is Figure 6 is an enlarged view of C in the figure;

[0026] Figure 8 is a top view of the cleaning assembly.

[0027] In the figure: 1, mounting seat; 2, controller; 3, blocking rod; 4, conveying measuring mechanism; 5, cutting mechanism; 41, machine shell; 42, first guide rod; 43, sliding seat; 44, spring; 45, conveying assembly; 46, travel switch; 47, first rotating shaft; 48, adjusting assembly; 49, telescopic rod; 410, limiting block; 411, arc plate; 412, triangular belt; 413, connecting rod; 451, gear box; 452, second rotating shaft; 453, first gear; 454, motor; 455, pulley; 456, conveying roller; 481, sleeve; 482, brake piece; 483, fastening nut; 51, water tank; 52, cleaning assembly; 53, support plate; 54, guide groove; 55, first air cylinder; 56, push plate; 57, lifting rod; 58, roller; 59, cutter; 521, box body; 522, second guide rod; 523, moving plate; 524, second gear; 525, rack; 526, second air cylinder; 527, scraper. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-8 The present application provides a technical solution: a special rubber extruded rubber strip cutting device, comprising a mounting seat 1 and a controller 2, the left side of the mounting seat 1 is installed with a conveying line, the controller 2 is installed on the upper surface of the mounting seat 1, two front and rear blocking rods 3 are installed on the right side of the upper surface of the mounting seat 1, which play a blocking role for the rubber strip, a conveying measuring mechanism 4 is installed on the lower surface of the mounting seat 1, which can accurately measure the cutting length of the rubber strip, a cutting mechanism 5 is installed on the right end of the rear side of the mounting seat 1, which realizes the cutting of the rubber strip.

[0030] As a preferred further, the conveying measuring mechanism 4 comprises a shell 41 installed on the lower surface of the mounting base 1, two first guide rods 42 are installed on the top opening of the shell 41 along the front and back direction, the outer wall of the first guide rod 42 is sleeved with a sliding seat 43 and a spring 44 at the front and back ends respectively, the sliding seat 43 is pushed forward under the elastic force of the spring 44, a conveying assembly 45 is installed on the upper surface of the shell 41, the rubber strip moves from left to right through the conveying assembly 45, a travel switch 46 electrically connected with the controller 2 is embedded in the front end of the lower surface of the sliding seat 43, a first rotating shaft 47 capable of rotating around its own axis is installed on the lower surface of the sliding seat 43 through a bearing, the outer wall of the first rotating shaft 47 is provided with a length unit, the length unit displays the rotation circumference composed of the outward or inward movement of the arc plate 411, which is convenient for adjusting the cutting length of the rubber strip, an adjusting assembly 48 is installed on the outer wall of the first rotating shaft 47, a plurality of telescopic rods 49 are installed on the outer wall of the first rotating shaft 47 along the circumference at equal intervals, one of the telescopic rods 49 is installed with a limiting block 410 corresponding to the position of the travel switch 46 on the top outer side, an arc plate 411 is installed on the outer side of the telescopic rod 49, one side of a triangular belt 412 is sleeved with the arc plate 411, the other side of the triangular belt 412 is sleeved with the conveying assembly 45, the conveying assembly 45 is connected with the first rotating shaft 47 through the triangular belt 412, one end of a connecting rod 413 is connected with the arc plate 411 through a pin shaft at the bottom, the other end of the connecting rod 413 is connected with the outer wall of the adjusting assembly 48 through a pin shaft.

[0031] More specifically, when the conveying assembly 45 works to move the rubber strip, the first rotating shaft 47 rotates under the transmission of the triangular belt 412, and then drives the telescopic rod 49, the arc plate 411 and the limiting block 410 to rotate together. When the limiting block 410 rotates and touches the travel switch 46, the travel switch 46 will transmit a signal to the controller 2, and the controller 2 will judge that the rubber strip has reached the set cutting length according to the signal, and then control the subsequent cutting mechanism to perform the cutting action. If it is necessary to adjust the cutting length of the rubber strip, the position of the arc plate 411 can be changed through the adjusting assembly 48, and the length unit on the outer wall of the first rotating shaft 47 is combined to realize the accurate adjustment of the cutting length of the rubber strip.

[0032] As a preferred scheme, further, the conveying assembly 45 comprises a gear box 451 installed at the rear end of the upper surface of the casing 41, two second rotating shafts 452 are installed at the front and rear ends of the upper surface of the gear box 451 through bearings, first gears 453 are installed on the outer walls of the second rotating shafts 452 and interlock with each other, a motor 454 is installed at the lower surface of the gear box 451 and connected with the bottom ends of the second rotating shafts 452 through a shaft coupling, the motor 454 is electrically connected with the controller 2, a belt pulley 455 is installed at the bottom end of the outer wall of the second rotating shaft 452 at the front side, and a V-belt 412 is sleeved on the outer wall of the belt pulley 455, and conveying rollers 456 are installed at the top of the second rotating shaft 452 and convey the rubber strip by rotating.

[0033] More specifically, when the motor 454 is started, the second rotating shafts 452 connected with the motor 454 are driven to rotate through the shaft coupling, the two second rotating shafts 452 rotate reversely under the drive of the two interlocking first gears 453, and in turn drive the two conveying rollers 456 at the top to rotate reversely and synchronously, and the rubber strip is stably conveyed from left to right by the friction between the conveying rollers 456 and the rubber strip, so as to provide continuous material supply for the subsequent length measurement and cutting process.

[0034] As a preferred scheme, further, the adjusting assembly 48 comprises a sleeve 481 sleeved on the outer wall of the first rotating shaft 47, the outer wall of the sleeve 481 is connected with the bottom of the connecting rod 413 through a pin shaft, a plurality of brake pieces 482 are installed at the bottom of the sleeve 481 in the circumferential direction, threads are arranged on the outer walls of the brake pieces 482, fastening nuts 483 are screwed on the outer walls of the brake pieces 482, and the outer walls of the brake pieces 482 are in the shape of an inclined surface, when the fastening nuts 483 move upwards on the brake pieces 482, the fastening nuts 483 can extrude the brake pieces 482 inwards, so that the brake pieces 482 are pressed tightly on the outer wall of the first rotating shaft 47.

[0035] More specifically, when it is necessary to adjust the cutting length of the rubber strip, the fastening nuts 483 are unscrewed reversely, so that the fastening nuts 483 move away from the brake pieces 482, the extrusion force on the brake pieces 482 disappears, at this time, the sleeve 481 can be pushed to move up and down along the first rotating shaft 47, the arc-shaped plate 411 is driven to move by the connecting rod 413 to change the rotating diameter, after the adjustment to the required length, the fastening nuts 483 are screwed again to complete the adjustment.

[0036] As a preferred scheme, further, the cutting mechanism 5 comprises a water tank 51 installed at the right end of the rear side of the mounting base 1, the water tank 51 stores rubber dissolving agent, a cleaning assembly 52 is installed at the top of the front inner wall of the water tank 51, a supporting plate 53 is installed on the right side wall of the water tank 51, a guide groove 54 is opened in the front-rear direction on the outer wall of the supporting plate 53, the guide groove 54 is horizontally arranged on the outer wall of the supporting plate 53 and is inclined downward at the rear side, the cutting knife 59 can enter the water tank 51 by the inclined surface of the guide groove 54, the horizontal surface of the guide groove 54 allows the cutting knife 59 to move horizontally, which is used for cutting the rubber strip, a first air cylinder 55 electrically connected with the controller 2 is installed at the top of the left side wall of the rear end of the supporting plate 53, a push plate 56 is installed at the output end of the first air cylinder 55, a lifting rod 57 capable of sliding up and down is inserted into the inner cavity of the push plate 56, the lifting rod 57 is rectangular in shape, which prevents the cutting knife 59 from rotating, a roller 58 is installed at the right side wall of the bottom of the lifting rod 57 and is inserted into the inner cavity of the guide groove 54, the height of the lifting rod 57 is controlled by the cooperation of the roller 58 and the guide groove 54, and the cutting knife 59 is installed at the bottom of the lifting rod 57, the rubber strip is cut off by the forward movement of the cutting knife 59.

[0037] More specifically, the height of the lifting rod 57 can be controlled by the rolling cooperation of the roller 58 in the guide groove 54. The cutting knife 59 is installed at the bottom of the lifting rod 57, when the first air cylinder 55 pushes the push plate 56 to move forward, the lifting rod 57 drives the cutting knife 59 to rise to a suitable height first and then moves horizontally forward under the cooperation of the roller 58 and the guide groove 54, the forward movement of the cutting knife 59 realizes the cutting of the rubber strip; after the cutting is completed, the push plate 56 is reset by the first air cylinder 55, and the cutting knife 59 is lowered into the water tank 51 under the cooperation of the roller 58 and the inclined surface of the guide groove 54, and is cleaned by the rubber dissolving agent.

[0038] As a preferred scheme, further, the cleaning assembly 52 comprises a box body 521 installed at the top of the front inner wall of the water tank 51, second guide rods 522 are installed at the inner cavity of the box body 521 on both sides, moving plates 523 are sleeved on both sides of the outer wall of the second guide rods 522, a second gear 524 is connected by a pin shaft at the center position of the inner cavity of the box body 521, the moving plates 523 are installed at the top and are meshed and connected with the second gear 524, two toothed rods 525 are respectively located on both sides of the second gear 524, when the second gear 524 rotates, the movement directions of the two toothed rods 525 are opposite, thereby making the two moving plates 523 move inward or outward at the same time, a second air cylinder 526 electrically connected with the controller 2 is installed on the left side of the box body 521, the left moving plate 523 moves left and right by the second air cylinder 526, and a scraper 527 is installed at the rear end of the moving plate 523, when the scraper 527 contacts with the cutting knife 59, the scraper 527 can scrape off the sundries on the surface of the cutting knife 59.

[0039] More specifically, the output end of the second cylinder 526 is connected with the left moving plate 523, and can drive the left moving plate 523 to move left and right. The rear end of the moving plate 523 is provided with a scraper 527. When the cutter 59 completes cutting and moves, the controller 2 controls the second cylinder 526 to act, drives the left moving plate 523 to move right, and under the transmission of the second gear 524 and the rack 525, the right moving plate 523 moves left synchronously, so that the two scrapers 527 move inward and contact the cutter 59. With the movement of the cutter 59, the scrapers 527 can scrape off the sundries on the surface of the cutter 59, and ensure the sharpness of the cutter 59. When the cleaning is completed, the second cylinder 526 drives the left moving plate 523 to move left, and the two scrapers 527 move outward and are separated from the cutter 59, waiting for the next cleaning action.

[0040] The detailed connection means is a technology known in the art, and the working principle and process are mainly introduced below. The specific work is as follows.

[0041] Step one: the second shaft 452 is driven to rotate by the motor 454, and the conveying roller 456 is reversely rotated under the transmission of the two first gears 453, so that the rubber strip moves from left to right. At the same time, the first shaft 47 can be rotated under the transmission of the pulley 455, the V-belt 412 and the arc plate 411. When the limit block 410 rotates and touches the travel switch 46, the travel switch 46 feeds back an electric signal to the controller 2, the controller 2 controls the motor 454 to stop, the first cylinder 55 pushes the push plate 56 to move forward, the roller 58 rolls in the guide groove 54, the lifting rod 57 rises along the push plate 56 and then moves forward horizontally, and the cutter 59 completes cutting of the rubber strip to realize length cutting of the rubber strip;

[0042] Step two: when the cutting length needs to be changed, the fastening nut 483 is screwed away from the brake piece 482 to loosen the brake piece 482, push the sleeve 481 to rise or descend, drive the connecting rod 413 to move the arc plate 411 outward or inward, the rotating diameter of the arc plate 411 becomes larger or smaller, and the length of one rotation of the arc plate 411 is consistent with the cutting length of the rubber strip. The fastening nut 483 is screwed onto the brake piece 482, the brake piece 482 is pressed against the outer wall of the first shaft 47, the adjustment of the rotating diameter of the arc plate 411 is completed, and length cutting of the rubber strip in multiple lengths is realized;

[0043] Step three, when the cutter 59 needs to be cleaned, the rubber residue left on the cutter surface by the rubber dissolving agent in the water tank 51 is dissolved, and when the cutter 59 moves to accurately cut the rubber strip, the controller 2 controls the second air cylinder 526 to drive the left moving plate 523 to move right, under the transmission condition of the rack 525 and the second gear 524, the two moving plates 523 can be moved inward at the same time, so that the scraper 527 is in contact with the cutter 59, and as the cutter 59 moves, the scraper 527 scrapes off the rubber dissolving agent, realizing the cleaning of the cutter 59, so that the cutter 59 cuts the rubber strip more smoothly.

[0044] The present application achieves accurate cutting of rubber strips of various specifications, and the length of the rubber strip is the same, without the need for secondary cutting, saving time and effort, and having the function of cutter cleaning, preventing the cutter from becoming blunt and affecting the cutting quality.

[0045] Although embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cutting device for special rubber strips after extrusion, comprising a mounting base (1) and a controller (2), wherein the left side of the mounting base (1) is mounted on a conveyor line, and the controller (2) is mounted on the upper surface of the mounting base (1), characterized in that: Two blocking rods (3) facing each other are installed on the right side of the upper surface of the mounting seat (1) to block the rubber strip. A conveying and measuring mechanism (4) is installed on the lower surface of the mounting seat (1). The conveying and measuring mechanism (4) can accurately measure the cutting length of the rubber strip. A cutting mechanism (5) is installed on the right end of the rear side of the mounting seat (1). The cutting mechanism (5) cuts the rubber strip. The conveying and measuring mechanism (4) includes a housing (41) mounted on the lower surface of the mounting seat (1), two first guide rods (42) are mounted on the top opening of the housing (41) along the front-to-back direction, and the front and rear ends of the outer wall of the first guide rod (42) are respectively sleeved with a slide (43) and a spring (44), and the slide (43) is pushed forward under the elastic force of the spring (44), and a conveying assembly (45) is mounted on the rear side of the upper surface of the housing (41), and the rubber strip is moved from left to right through the conveying assembly (45), and a travel switch (46) electrically connected to the controller (2) is embedded in the front end of the lower surface of the slide (43), and a first rotating shaft (47) capable of rotating around its own axis is mounted on the middle part of the lower surface of the slide (43) through a bearing, and the first rotating shaft (47) is installed on the middle part of the lower surface of the slide (43). 7) An adjustment component (48) is installed on the outer wall, and a plurality of telescopic rods (49) are installed at equal intervals along the circumferential direction on the top of the outer wall of the first rotating shaft (47), wherein a limit block (410) corresponding to the position of the travel switch (46) is installed on the outer side of the top of one of the telescopic rods (49), and an arc plate (411) is installed on the outer side of the telescopic rod (49), and the outer wall of the arc plate (411) is sleeved with one side of a triangular belt (412), and the other side of the triangular belt (412) is sleeved with the conveying component (45), and the conveying component (45) is linked to the first rotating shaft (47) through the triangular belt (412), and the bottom of the arc plate (411) is connected to one end of a connecting rod (413) through a pin, and the other end of the connecting rod (413) is connected to the outer wall of the adjustment component (48) through a pin.

2. The cutting device for extruded special rubber strips according to claim 1, characterized in that: The outer wall of the first rotating shaft (47) is provided with a length unit.

3. The cutting device for extruded special rubber strips according to claim 2, characterized in that: The conveying assembly (45) includes a gear box (451) mounted on the rear end of the upper surface of the casing (41), two second rotating shafts (452) are mounted on the front and rear ends of the upper surface of the gear box (451) through bearings, and the outer wall of the second rotating shaft (452) is mounted with a first gear (453) that meshes with each other, and a motor (454) connected to the bottom end of the second rotating shaft (452) through a coupling is mounted on the lower surface of the gear box (451), and the motor (454) is electrically connected to the controller (2), a pulley (455) is mounted on the bottom end of the outer wall of the second rotating shaft (452) located on the front side, and a V-belt (412) is sleeved on the outer wall of the pulley (455), and a conveying roller (456) is mounted on the top of the second rotating shaft (452), and the rubber strip is conveyed by the rotation of the conveying roller (456).

4. The cutting device for extruded special rubber strips according to claim 3, characterized in that: The adjustment assembly (48) includes a sleeve (481) sleeved on the outer wall of the first rotating shaft (47), and the outer wall of the sleeve (481) is connected to the bottom of the connecting rod (413) through a pin. A plurality of brake pads (482) are installed along the circumferential direction at the bottom of the sleeve (481), and the outer wall of the brake pad (482) is provided with a thread. The outer wall of the brake pad (482) is screwed with a fastening nut (483).

5. The cutting device for extruded special rubber strips according to claim 4, characterized in that: The outer wall of the brake pad (482) is in the shape of an inclined surface.

6. The cutting device for extruded special rubber strips according to claim 5, characterized in that: The cutting mechanism (5) includes a water tank (51) mounted on the right end of the rear side of the mounting seat (1), wherein the water tank (51) stores a rubber dissolving agent, a cleaning assembly (52) is mounted on the top of the front inner wall of the water tank (51), a support plate (53) is mounted on the right side wall of the water tank (51), a guide groove (54) is provided on the outer wall of the support plate (53) along the front-back direction, a first cylinder (55) electrically connected to the controller (2) is mounted on the rear end of the top of the left side wall of the support plate (53), a push plate (56) is mounted on the output end of the first cylinder (55), a lifting rod (57) capable of sliding up and down is inserted into the inner cavity of the push plate (56), a roller (58) inserted into the inner cavity of the guide groove (54) is mounted on the bottom of the right side wall of the lifting rod (57), the height of the lifting rod (57) is controlled by the cooperation of the roller (58) and the guide groove (54), and a cutter (59) is mounted on the bottom of the lifting rod (57), and the rubber strip is cut by moving the cutter (59) forward.

7. The cutting device for extruded special rubber strips according to claim 6, characterized in that: The guide groove (54) is horizontally arranged on the outer wall of the support plate (53), and the rear side is inclined downward.

8. The cutting device for extruded special rubber strips according to claim 7, characterized in that: The cleaning assembly (52) comprises a box body (521) mounted on the top of the front inner wall of the water tank (51), second guide rods (522) are mounted on both the front and rear sides of the inner cavity of the box body (521), and movable plates (523) are sleeved on both the left and right sides of the outer wall of the second guide rod (522). A second gear (524) is connected to the center of the inner cavity of the box body (521) via a pin shaft, and a rack (525) meshing with the second gear (524) is mounted on the top of the movable plate (523). A second cylinder (526) electrically connected to the controller (2) is mounted on the left side of the box body (521), and the left movable plate (523) is driven to move left and right by the second cylinder (526). A scraper (527) is mounted on the rear end of the movable plate (523), and when the scraper (527) contacts the cutter (59), the scraper (527) can scrape off debris on the surface of the cutter (59).

9. The cutting device for extruded special rubber strips according to claim 8, characterized in that: The two racks (525) are respectively located on the front and rear sides of the second gear (524).

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