Waste tire cutting device

Abstract

The invention discloses a waste tire cutting device, and relates to the technical field of waste tire recycling, the device comprises a support frame arranged on the ground, a first fixing plate, a second fixing plate and a sliding plate are horizontally arranged on the support frame, a cutting mechanism for cutting tires is arranged on the sliding plate, and the first fixing plate is connected with a rotating column through a clamping mechanism. According to the device, the clamping mechanism synchronously drives the cutting mechanism to move when clamping the tires, when batch treatment is conducted on the waste tires of the same specification, the cutting mechanism does not need to repeatedly position each tire, the operation steps are simplified, the production efficiency is improved, a cutting knife is arranged on a connecting plate through a fastening bolt, and the cutting efficiency is improved. When the waste tire cutting equipment is used for the first time or the specification of a waste tire to be treated is changed, the position of the cutting knife is finely adjusted by loosening and tightening the fastening bolt, and the waste tire cutting equipment adapts to waste tires of different specifications.

Description

Technical Field

[0001] The invention relates to the technical field of waste tire recycling, in particular to a waste tire cutting device. Background Art

[0002] The bead part of the tire is usually woven with thicker steel wire bundles to ensure the airtightness between the bead and the wheel hub. When recycling waste tires, the rim part needs to be cut off separately and processed separately, and the remaining part is sent to a crusher for crushing. Currently, when cutting the rim, workers mostly use hand-held knives to cut, which is inefficient, time-consuming and labor-intensive.

[0003] Based on this, a waste tire cutting device is now provided to solve the above problems. Summary of the invention

[0004] The object of the present invention is to provide a waste tire cutting device to solve the problems in the background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The waste tire cutting device comprises a support frame arranged on the ground, a first fixed plate is horizontally arranged in the middle of the support frame, the upper surface of the first fixed plate is connected to the second fixed plate through a connecting column, the support frame is connected to the sliding plate through a sliding mechanism, the sliding plate is provided with a cutting mechanism for cutting the tire, the first fixed plate is connected to a rotating column through a clamping mechanism, the rotating column is connected to the power output end of the tire rotating mechanism, the second fixed plate and the sliding plate are both provided with a supporting mechanism for supporting the tire, an extension plate is provided at the front end of the second fixed plate, and a tire entry and exit mechanism is provided on the extension plate.

[0007] On the basis of the above technical solution, the present invention also provides the following optional technical solution:

[0008] In an optional solution: the supporting mechanism includes a first roller groove arranged on the second fixed plate and a second roller groove arranged on the sliding plate, a plurality of first rollers are rotatably arranged in the first roller groove, and a plurality of second rollers are rotatably arranged in the second roller groove.

[0009] In an optional scheme: the clamping mechanism includes three first sliding grooves distributed radially on the first fixed plate, the first sliding grooves are straight grooves, a first sliding block is slidably arranged in the first sliding groove, a rotating column is rotatably penetrated in the first sliding block, a second sliding block is rotatably penetrated on the rotating column above the first fixed plate, the second sliding block is slidably arranged on a rotating disk, the center of the rotating disk corresponds to the radial center of the three first sliding grooves, a second sliding groove is provided at a position of the rotating disk corresponding to the second sliding block, the second sliding groove is arc-shaped and matches the first sliding groove, a through groove is provided at a position on the second fixed plate corresponding to the first sliding groove, the width of the through groove matches the diameter of the rotating column, and a rotating disk drive assembly for driving the rotating disk to rotate is provided on the first fixed plate.

[0010] In an optional solution: the rotating disk drive assembly includes a gear block arranged on the circumferential side of the rotating disk, a rotating shaft is rotatably provided on the first fixed plate, one end of the rotating shaft is coaxially connected to a driving gear, the driving gear is meshed with the gear block, and the other end of the rotating shaft is connected to a power output shaft of a rotating disk driving motor, the rotating disk driving motor is arranged on a support frame, and two driven gears are further arranged on the outside of the rotating disk, the driving gear and the two driven gears are distributed in an equilateral triangle, the driven gear is meshed with the gear block, and the driven gear is rotatably arranged on the first fixed plate.

[0011] In an optional solution: the tire rotation mechanism includes a tire rotation drive motor whose power output end is connected to the lower end of the rotation column, and the tire rotation drive motor is connected to the lower end of the first sliding block through a fixing strip.

[0012] In an optional scheme: the cutting mechanism includes a third sliding groove arranged on the sliding plate, the third sliding groove corresponds to a through groove position, a third sliding block is slidably arranged in the third sliding groove, a sliding rod is slidably arranged on the third sliding block, a blind hole is provided at the upper end of the rotating column in the through groove corresponding to the third sliding groove, the lower end of the sliding rod is rotatably arranged in the blind hole, a blocking piece is provided at the upper end of the sliding rod, a spring is provided on the outside of the sliding rod, one end of the spring is connected to the blocking piece, and the other end of the spring is connected to the third sliding block, a fixing frame is provided on the upper surface of the third sliding block, and the fixing frame is connected to the cutting knife through a tool adjustment assembly.

[0013] In an optional scheme: the tool adjustment assembly includes a first telescopic cylinder arranged on the upper surface of the fixed frame, the output end of the first telescopic cylinder passes through the upper end of the fixed frame and is connected to the connecting plate, the fixed frame is provided with a linear bearing seat, the output end of the first telescopic cylinder passes through the linear bearing seat, the connecting plate is provided with an adjustment groove, the lower end surface of the connecting plate is slidably provided with a slider matching the adjustment groove, the upper end surface of the connecting plate is slidably provided with a gasket corresponding to the position of the slider, the gasket is passed through a fastening bolt, the fastening bolt is threadedly connected to the upper end of the slider, the lower end of the slider is connected to a vertical cutting knife, the side of the slider is connected to a vertical positioning plate, the second fixed plate is provided with a cutting groove with a width matching the cutting knife corresponding to the moving path of the cutting knife, the width of the positioning plate is greater than the width of the cutting groove, the width of the positioning plate is greater than the width of the through groove, and the width of the positioning plate is less than the width of the third sliding groove.

[0014] In an optional solution: the sliding mechanism includes a T-shaped sliding groove arranged on a support frame, a sliding connecting plate matching the T-shaped sliding groove is slidably provided on the support frame, the sliding connecting plate is connected to the upper surface of the sliding plate, two second telescopic cylinders are symmetrically provided on the lower surface of the first fixed plate, and the output end of the second telescopic cylinder passes through the first fixed plate and the second fixed plate and is connected to the lower surface of the sliding plate.

[0015] In an optional solution: the tire entry and exit mechanism includes a push plate slidably arranged on an extension plate, two support bars are provided on the side of the push plate close to the clamping mechanism, the support bars are in sliding contact with the extension plate, and a third telescopic cylinder is horizontally arranged on the rear end surface of the support frame, and the output end of the third telescopic cylinder passes through the support frame.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention drives the cutting mechanism to move synchronously when the clamping mechanism clamps the tire. When batch processing of waste tires of the same specification is performed, the cutting mechanism does not need to repeatedly position each tire, thereby simplifying the operation steps and improving the production efficiency.

[0018] The invention sets the cutting knife on the connecting plate through the fastening bolts. When the waste tire cutting device is used for the first time or the specifications of the waste tires to be processed are changed, the position of the cutting knife is finely adjusted by loosening the fastening bolts to adapt to waste tires of different specifications.

[0019] The present invention arranges an extension plate at the front end of the second fixing plate, and arranges a support bar and a push plate on the extension plate, so that the lifting equipment in the field can directly place the tire on the support bar, thereby improving production efficiency.

[0020] The invention improves the cutting effect of the cutting knife on the waste tire by arranging the cutting groove matching the cutting knife on the second fixing plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the structure from the top viewing angle of the present invention.

[0022] Figure 2 It is a schematic diagram of the structure of the lower viewing angle of the present invention.

[0023] Figure 3 For the present invention Figure 2 A partial enlarged view of middle A.

[0024] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the front end of the present invention.

[0025] Figure 5 For the present invention Figure 4 A partial enlarged view of B.

[0026] Figure 6 For the present invention Figure 4 A partial enlarged view of C in the middle.

[0027] Figure 7 This is a schematic diagram of the structure of the present invention without the second fixing plate.

[0028] Figure 8 For the present invention Figure 7 A partial enlarged view of D in the middle.

[0029] Notes on figure numbers: 101, support frame; 102, first fixed plate; 103, second fixed plate; 104, sliding plate; 105, connecting column; 201, first roller groove; 202, second roller groove; 203, first roller; 204, second roller; 205, through groove; 301, first sliding groove; 302, first sliding block; 303, rotating column; 304, second sliding groove; 305, second sliding block; 306, rotating disk; 307, gear block; 308, driving gear; 309, driven gear; 310, rotating disk driving motor; 311, rotating shaft; 312, tire rotation driving motor ; 313, fixing bar; 401, third sliding groove; 402, third sliding block; 403, sliding rod; 404, spring; 405, blind hole; 406, baffle; 407, fixing frame; 408, first telescopic cylinder; 409, linear bearing seat; 410, connecting plate; 411, adjusting groove; 412, sliding block; 413, gasket; 414, fastening bolt; 415, cutting knife; 416, positioning plate; 417, cutting groove; 501, second telescopic cylinder; 502, T-shaped sliding groove; 503, sliding connecting plate; 601, extension plate; 602, supporting bar; 603, push plate; 604, third telescopic cylinder. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0031] In one embodiment, Figure 1-Figure 8 As shown, the waste tire cutting device includes a support frame 101 arranged on the ground, a first fixed plate 102 is horizontally arranged in the middle of the support frame 101, the upper surface of the first fixed plate 102 is connected to the second fixed plate 103 through a connecting column 105, the support frame 101 is connected to the sliding plate 104 through a sliding mechanism, the sliding plate 104 is provided with a cutting mechanism for cutting the tire, the first fixed plate 102 is connected to the rotating column 303 through a clamping mechanism, the rotating column 303 is connected to the power output end of the tire rotating mechanism, the second fixed plate 103 and the sliding plate 104 are both provided with a supporting mechanism for supporting the tire, an extension plate 601 is provided at the front end of the second fixed plate 103, and a tire entry and exit mechanism is provided on the extension plate 601.

[0032] In this embodiment, the tire in-and-out mechanism delivers the waste tire to the clamping mechanism, the clamping mechanism clamps the waste tire, the sliding mechanism drives the sliding plate 104 to be close to the waste tire, so that the supporting mechanism supports the tire to improve the stability of the tire during cutting, and the tire rotating mechanism drives the tire to rotate, and the rotating tire is cut off the rim by the cutting mechanism, and the waste tire after the rim is cut off is taken out through the tire in-and-out mechanism.

[0033] In one embodiment, Figure 1 , Figure 2 and Figure 4 As shown, the sliding mechanism includes a T-shaped sliding groove 502 arranged on the support frame 101, a sliding connecting plate 503 matching the T-shaped sliding groove 502 is slidably arranged on the support frame 101, and the sliding connecting plate 503 is connected to the upper surface of the sliding plate 104. Two second telescopic cylinders 501 are symmetrically arranged on the lower surface of the first fixed plate 102. The output end of the second telescopic cylinder 501 passes through the first fixed plate 102 and the second fixed plate 103 and is connected to the lower surface of the sliding plate 104. The sliding plate 104 is on the surface of the support frame 101 through the sliding connecting plate 503. The second telescopic cylinder 501 is telescopic to drive the sliding plate 104 to rise and fall. The supporting mechanism includes a first roller groove 201 arranged on the second fixed plate 103 and a second roller groove 202 arranged on the sliding plate 104. A plurality of first rollers 203 are rotatably arranged in the first roller groove 201, and a plurality of second rollers 204 are rotatably arranged in the second roller groove 202. When the second telescopic cylinder 501 drives the sliding plate 104 to descend, the first rollers 203 and the second rollers 204 sandwich the waste tire in the middle, thereby improving the stability of the waste tire during cutting.

[0034] In one embodiment, Figure 2 , Figure 3 , Figure 7 and Figure 8 As shown, the clamping mechanism includes three first sliding grooves 301 arranged on the first fixed plate 102 and distributed in a radial shape. The first sliding grooves 301 are straight grooves. A first sliding block 302 is slidably arranged in the first sliding grooves 301. A rotating column 303 is rotatably penetrated in the first sliding block 302. The rotating column 303 rotates and penetrates a second sliding block 305 above the first fixed plate 102. The second sliding block 305 is slidably arranged on a rotating disk 306. The center of the rotating disk 306 is aligned with the radial center of the three first sliding grooves 301. The rotating disk 306 is provided with a second sliding groove 304 at a position corresponding to the second sliding block 305. The second sliding groove 304 is arc-shaped and matches the first sliding groove 301. A through groove 205 is provided at a position corresponding to the first sliding groove 301 on the second fixed plate 103. The width of the through groove 205 matches the diameter of the rotating column 303. A tooth block 307 is provided on the circumference of the rotating disk 306. A rotating shaft 311 is provided on the first fixed plate 102 for rotation and penetration. One end of the rotating shaft 311 is coaxially connected to a driving gear 308. The driving gear 308 is connected to the first fixed plate 102. The tooth block 307 is meshed, and the other end of the rotating shaft 311 is connected to the power output shaft of the rotating disk drive motor 310. The rotating disk drive motor 310 is arranged on the support frame 101. Two driven gears 309 are also arranged on the outer side of the rotating disk 306. The driving gear 308 and the two driven gears 309 are distributed in an equilateral triangle. The driven gear 309 is meshed with the tooth block 307. The driven gear 309 is rotatably arranged on the first fixed plate 102. The rotating disk drive motor 310 drives the driving gear 308 to rotate through the rotating shaft 311. The gear 308 drives the rotating disk 306 to rotate, the second sliding block 305 slides in the second sliding groove 304, and the first sliding block 302 and the second sliding block 305 slide synchronously, that is, the rotating column 303 moves along the first sliding groove 301. When clamping the tire, the three rotating columns 303 move toward the center to clamp the tire, and when releasing the tire, the three rotating columns 303 move away from each other. The rotating disk drive motor 310 is a stepping motor with a self-locking function, which improves the stability of the rotating column 303 clamping the tire when cutting the tire.

[0035] In one embodiment, Figure 3 As shown, the tire rotation mechanism includes a tire rotation drive motor 312 whose power output end is connected to the lower end of the rotating column 303. The tire rotation drive motor 312 is connected to the lower end of the first sliding block 302 through a fixing strip 313. The first sliding block 302 only slides in the first sliding groove 301. The rotation of the tire rotation drive motor 312 drives the rotating column 303 to rotate.

[0036] In one embodiment, Figure 4-Figure 6As shown, the cutting mechanism includes a third sliding groove 401 arranged on the sliding plate 104, the third sliding groove 401 corresponds to a through groove 205, a third sliding block 402 is slidably arranged in the third sliding groove 401, a sliding rod 403 is slidably arranged on the third sliding block 402, a blind hole 405 is arranged at the upper end of the rotating column 303 in the through groove 205 corresponding to the third sliding groove 401, the lower end of the sliding rod 403 is rotatably arranged in the blind hole 405, a blocking piece 406 is arranged at the upper end of the sliding rod 403, a spring 404 is arranged on the outer side of the sliding rod 403, and one end of the spring 404 is connected to the blocking piece 406, the other end of the spring 404 is connected to the third sliding block 402, and a fixing frame 407 is provided on the upper surface of the third sliding block 402. The fixing frame 407 is connected to the cutting knife 415 through a tool adjustment assembly. When the sliding plate 104 rises and falls, the spring 404 is always in a stretched state. The spring 404 pulls the sliding rod 403 through the baffle 406, so that the lower end of the sliding rod 403 is always kept in the blind hole 405. When the rotating column 303 moves, the third sliding block 402 is driven to slide synchronously in the third sliding groove 401 through the sliding rod 403 to adjust the position of the cutting knife 415.

[0037] In one embodiment, Figure 5As shown, the tool adjustment assembly includes a first telescopic cylinder 408 arranged on the upper surface of the fixed frame 407, the output end of the first telescopic cylinder 408 passes through the upper end of the fixed frame 407 and is connected to the connecting plate 410, the fixed frame 407 is provided with a linear bearing seat 409, the output end of the first telescopic cylinder 408 passes through the linear bearing seat 409, the connecting plate 410 is provided with an adjustment groove 411, the lower end surface of the connecting plate 410 is slidably provided with a slider 412 matching the adjustment groove 411, the upper end surface of the connecting plate 410 is slidably provided with a gasket 413 corresponding to the position of the slider 412, the gasket 413 is penetrated with a fastening bolt 414, the fastening bolt 414 is threadedly connected to the upper end of the slider 412, the lower end of the slider 412 is connected to a vertical cutting knife 415, the side of the slider 412 is connected to a vertical positioning plate 416, the second fixed plate 103 is provided with a cutting groove 417 with a width matching the cutting knife 415 corresponding to the moving path of the cutting knife 415, and the positioning plate 4 16 is greater than the width of the cutting groove 417, the width of the positioning plate 416 is greater than the width of the through groove 205, the width of the positioning plate 416 is less than the width of the third sliding groove 401, the first telescopic cylinder 408 is telescopic to drive the connecting plate 410 to rise and fall, the connecting plate 410 is lowered during cutting, and the connecting plate 410 is raised when the cutting is finished. When the waste tire cutting equipment is used for the first time or the specifications of the waste tires to be processed are changed, it is necessary to fine-tune the position of the cutting knife 415, by loosening the fastening bolts 414, adjusting the position of the slider 412 on the connecting plate 410, and then tightening the fastening bolts 414 to fix the cutting knife 415, the positioning plate 416 is used to limit the relative position between the cutting knife 415 and the second fixed plate 103, to prevent the cutting knife 415 from falling insufficiently and causing poor cutting effect or the cutting knife 415 from falling excessively and damaging the cutting knife 415, and the cutting knife 415 cooperates with the cutting groove 417 to improve the cutting effect.

[0038] In one embodiment, Figure 1 and Figure 2 As shown, the tire in-and-out mechanism includes a push plate 603 slidably arranged on an extension plate 601, and two support bars 602 are arranged on one side of the push plate 603 close to the clamping mechanism, and the support bars 602 are in sliding contact with the extension plate 601. A third telescopic cylinder 604 is horizontally arranged on the rear end surface of the support frame 101, and the output end of the third telescopic cylinder 604 passes through the support frame 101. When sending in a waste tire, the waste tire is first placed on the support bar 602, and then pushed in by the push plate 603. When taking out a waste tire, the support bar 602 is first pushed in, and then the third telescopic cylinder 604 is used to push the cut waste tire onto the support bar 602, and then the support bar 602 is pulled out to take out the waste tire.

[0039] The above embodiment discloses a waste tire cutting device, wherein when feeding the waste tire, the waste tire is first placed on the support bar 602, and then pushed in by using the push plate 603, the rotating disk driving motor 310 drives the driving gear 308 to rotate through the rotating shaft 311, the driving gear 308 drives the rotating disk 306 to rotate, the second sliding block 305 slides in the second sliding groove 304, and the first sliding block 302 and the second sliding block 305 slide synchronously, that is, the rotating column 303 moves along the first sliding groove 301, when clamping the tire, the three rotating columns 303 move toward the center to clamp the tire, and then the support bar 602 is pulled out, the second telescopic cylinder 501 telescopes to drive the sliding plate 104 to descend, the first roller 203 and the first roller 203 clamp the waste tire in the middle, thereby improving the stability of the waste tire during cutting, and when the rotating column 303 moves, the third sliding block 402 is driven to slide synchronously in the third sliding groove 401 through the sliding rod 403, and the cutting The position of the cutting knife 415 is adjusted. When cutting begins, the first telescopic cylinder 408 extends to drive the connecting plate 410 to descend, and the positioning plate 416 limits the relative position between the cutting knife 415 and the second fixed plate 103. When the positioning plate 416 contacts the upper surface of the second fixed plate 103, the first telescopic cylinder 408 stops extending. At this time, the lower end of the cutting knife 415 is located on the inner side of the cutting groove 417, and the cutting knife 415 cooperates with the cutting groove 417 to improve the cutting effect. The tire rotation drive motor 312 rotates, that is, drives the rotating column 303 to rotate, that is, drives the waste tire to rotate, and cooperates with the cutting knife 415 to cut the tire bead. After that, the rotating column 303 stops rotating, the connecting plate 410 rises, the sliding plate 104 rises, and the support bar 602 is pushed in. The three rotating columns 303 move away from each other to loosen the waste tire. The third telescopic cylinder 604 is used to push the cut waste tire onto the support bar 602, and then the support bar 602 is pulled out to remove the waste tire.

[0040] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A waste tire cutting device, comprising a support frame (101) arranged on the ground, characterized in that: A first fixed plate (102) is horizontally arranged in the middle of the support frame (101); the upper surface of the first fixed plate (102) is connected to a second fixed plate (103) via a connecting column (105); the support frame (101) is connected to a sliding plate (104) via a sliding mechanism; the sliding plate (104) is provided with a cutting mechanism for cutting the tire; the first fixed plate (102) is connected to a rotating column (303) via a clamping mechanism; the rotating column (303) is connected to a power output end of the tire rotating mechanism; the second fixed plate (103) and the sliding plate (104) are both provided with a supporting mechanism for supporting the tire; an extension plate (601) is arranged at the front end of the second fixed plate (103); and the extension plate (601) is provided with a tire entry and exit mechanism.

2. The waste tire cutting device according to claim 1, characterized in that: The supporting mechanism comprises a first roller groove (201) arranged on the second fixed plate (103) and a second roller groove (202) arranged on the sliding plate (104); a plurality of first rollers (203) are rotatably arranged in the first roller groove (201); and a plurality of second rollers (204) are rotatably arranged in the second roller groove (202).

3. The waste tire cutting device according to claim 1, characterized in that: The clamping mechanism comprises three first sliding grooves (301) which are arranged on the first fixed plate (102) and are distributed in a radial pattern. The first sliding grooves (301) are straight grooves. A first sliding block (302) is slidably arranged in the first sliding grooves (301). A rotating column (303) is rotatably arranged in the first sliding block (302). A second sliding block (305) is rotatably arranged on the rotating column (303) above the first fixed plate (102). The second sliding block (305) is slidably arranged on a rotating disk (306). The center of the rotating disk (306) is Corresponding to the radial center of the three first sliding grooves (301), the rotating disk (306) is provided with a second sliding groove (304) at a position corresponding to the second sliding block (305), the second sliding groove (304) is arc-shaped and matches the first sliding groove (301), and a through groove (205) is provided on the second fixed plate (103) at a position corresponding to the first sliding groove (301), the width of the through groove (205) matches the diameter of the rotating column (303), and the first fixed plate (102) is provided with a rotating disk driving component for driving the rotating disk (306) to rotate.

4. The waste tire cutting device according to claim 3 is characterized in that: The rotating disk driving assembly comprises a tooth block (307) arranged on the peripheral side of the rotating disk (306); a rotating shaft (311) is rotatably provided on the first fixed plate (102); one end of the rotating shaft (311) is coaxially connected to a driving gear (308); the driving gear (308) is meshed with the tooth block (307); the other end of the rotating shaft (311) is connected to a power output shaft of a rotating disk driving motor (310); the rotating disk driving motor (310) is arranged on the support frame (101); two driven gears (309) are also arranged on the outer side of the rotating disk (306); the driving gear (308) and the two driven gears (309) are distributed in an equilateral triangle; the driven gear (309) is meshed with the tooth block (307); and the driven gear (309) is rotatably provided on the first fixed plate (102).

5. The waste tire cutting device according to claim 3, characterized in that: The tire rotation mechanism comprises a tire rotation drive motor (312) whose power output end is connected to the lower end of the rotation column (303); the tire rotation drive motor (312) is connected to the lower end of the first sliding block (302) via a fixing bar (313).

6. The waste tire cutting device according to claim 3, characterized in that: The cutting mechanism comprises a third sliding groove (401) arranged on the sliding plate (104), the third sliding groove (401) corresponds to a through groove (205), a third sliding block (402) is slidably arranged in the third sliding groove (401), a sliding rod (403) is slidably arranged on the third sliding block (402), a blind hole (405) is arranged at the upper end of the rotating column (303) in the through groove (205) corresponding to the third sliding groove (401), and the sliding rod The lower end of the slide bar (403) is rotatably arranged in the blind hole (405), the upper end of the slide bar (403) is provided with a baffle (406), the outer side of the slide bar (403) is provided with a spring (404), one end of the spring (404) is connected to the baffle (406), and the other end of the spring (404) is connected to the third slide block (402), and the upper surface of the third slide block (402) is provided with a fixing frame (407), and the fixing frame (407) is connected to the cutting knife (415) through a tool adjustment assembly.

7. The waste tire cutting device according to claim 6, characterized in that: The tool positioning assembly comprises a first telescopic cylinder (408) arranged on the upper surface of a fixed frame (407); an output end of the first telescopic cylinder (408) penetrates the upper end of the fixed frame (407) and is connected to a connecting plate (410); a linear bearing seat (409) is provided on the fixed frame (407); an output end of the first telescopic cylinder (408) penetrates the linear bearing seat (409); a positioning groove (411) is provided on the connecting plate (410); a sliding block (412) matching the positioning groove (411) is slidably provided on the lower end surface of the connecting plate (410); a gasket (413) is slidably provided on the upper end surface of the connecting plate (410) at a position corresponding to the sliding block (412); and the gasket (413) is slidably provided on the upper end surface of the connecting plate (410) at a position corresponding to the sliding block (412). 13) is provided with a fastening bolt (414), the fastening bolt (414) is threadedly connected to the upper end of the slider (412), the lower end of the slider (412) is connected to a vertical cutting knife (415), the side of the slider (412) is connected to a vertical positioning plate (416), the second fixed plate (103) is provided with a cutting groove (417) corresponding to the moving path of the cutting knife (415) and the width of the positioning plate (416) is greater than the width of the cutting groove (417), the width of the positioning plate (416) is greater than the width of the through groove (205), and the width of the positioning plate (416) is less than the width of the third sliding groove (401).

8. The waste tire cutting device according to claim 7, characterized in that: The sliding mechanism comprises a T-shaped sliding groove (502) arranged on a support frame (101); a sliding connecting plate (503) matching the T-shaped sliding groove (502) is slidably arranged on the support frame (101); the sliding connecting plate (503) is connected to the upper surface of the sliding plate (104); two second telescopic cylinders (501) are symmetrically arranged on the lower surface of the first fixed plate (102); an output end of the second telescopic cylinder (501) passes through the first fixed plate (102) and the second fixed plate (103) and is connected to the lower surface of the sliding plate (104).

9. The waste tire cutting device according to claim 1, characterized in that: The tire entry and exit mechanism comprises a push plate (603) slidably arranged on an extension plate (601); two support bars (602) are arranged on a side of the push plate (603) close to the clamping mechanism; the support bars (602) are in sliding contact with the extension plate (601); a third telescopic cylinder (604) is horizontally arranged on the rear end surface of the support frame (101); and an output end of the third telescopic cylinder (604) passes through the support frame (101).

10. A method for using the waste tire cutting device according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: Place the tire on the support bar (602) and push the tire between the three rotating columns (303) through the push plate (603); Step 2: The rotating disk driving motor (310) drives the rotating disk (306) to rotate through the driving gear (308), so that the three rotating columns (303) move closer to the center to clamp the tire, and then the support bar (602) is pulled out; Step 3: The second telescopic cylinder (501) drives the sliding plate (104) to descend, so that the tire contacts the first roller (203) and the second roller (204), and the first telescopic cylinder (408) extends to drive the connecting plate (410) to descend. When the positioning plate (416) contacts the upper surface of the second fixed plate (103), the first telescopic cylinder (408) stops extending, and at this time, the lower end of the cutting knife (415) is located inside the cutting groove (417); Step 4: starting the tire rotation drive motor (312) connected to the first sliding block (302), the three tire rotation drive motors (312) drive the three rotating columns (303) to rotate in the same direction at the same speed, driving the tire to rotate, and the cutting knife (415) cuts the tire bead area; Step 5: The rotating column (303) stops rotating, the connecting plate (410) rises, the sliding plate (104) rises, pushes the support bar (602), the rotating columns (303) move away from each other, the third telescopic cylinder (604) extends to push the cut tire onto the support bar (602), and the support bar (602) is pulled out to remove the cut tire.

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