Double-shaft secondary crushing device for PET (Polyethylene Terephthalate) plastic bottle sheets

Abstract

The invention relates to the technical field of PET plastic bottle sheet crushing equipment, and particularly discloses a PET plastic bottle sheet double-shaft two-stage crushing device which comprises a crushing tank, mounting frames are fixedly mounted on the left side wall and the right side wall of the crushing tank, lifting plates are movably mounted in the two mounting frames, a fixing ring is fixedly mounted between the two lifting plates, and the fixing ring is fixedly mounted on the left side wall and the right side wall of the crushing tank. A sleeve is mounted at the bottom end of the fixing ring, a connecting pipe is fixedly mounted at the top end of the fixing ring, a mounting plate is fixedly mounted on the side, not connected with the fixing ring, of the connecting pipe, a C-shaped plate is movably mounted between the mounting plate and the fixing ring, and two through holes are formed in the mounting plate. And rotating shafts are rotationally mounted in the through holes in the two mounting plates. High-frequency vibration is generated through the filter plate, so that the crushed PET plastic bottle pieces reaching the standard fall to the bottom end of the inner cavity of the crushing tank 1 through the filter plate and the filter holes in the filter disc, and the crushing working efficiency of the PET plastic bottle pieces is conveniently improved.

Description

Technical Field

[0001] The invention belongs to the technical field of PET plastic bottle flake crushing equipment, and in particular relates to a double-axis two-stage crushing device for PET plastic bottle flakes. Background Art

[0002] PET plastic bottle flakes are a kind of plastic bottle that can provide preservation effects for products in many fields. After their use, in order to reduce pollution to the environment, PET plastic bottle flakes often need to be recycled and reused. After recycling PET plastic bottle flakes, in order to facilitate secondary processing, crushing equipment is often needed to crush them for the convenience of later smelting.

[0003] As a kind of existing crushing equipment, when the double-shaft secondary crushing device is used to crush PET plastic bottle flakes, in order to avoid too many large-volume fragments of the PET plastic bottle flakes after crushing, the single crushing time of the double-shaft secondary crushing device is extended. However, this crushing method will lead to reduced work efficiency and needs to be improved.

[0004] In order to solve the above problems, the present application provides a dual-axis two-stage crushing device for PET plastic bottle flakes. Summary of the invention

[0005] The object of the present invention is to provide a dual-axis two-stage crushing device for PET plastic bottle flakes, so as to solve the problem of low efficiency in crushing PET plastic bottle flakes in the prior art.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A double-axis two-stage crushing device for PET plastic bottle flakes comprises a crushing tank, a mounting frame is fixedly installed on the left and right side walls of the crushing tank, a lifting plate is movably installed in the two mounting frames, a fixing ring is fixedly installed between the two lifting plates, a sleeve is installed at the bottom end of the fixing ring, a connecting pipe is fixedly installed on the top of the fixing ring, and a mounting plate is fixedly installed on the side of the connecting pipe not connected to the fixing ring, a C-shaped plate is movably installed between the mounting plate and the fixing ring, two through holes are provided on the mounting plate, and rotating shafts are rotatably installed in the through holes on the two mounting plates, spiral cutting knives are fixedly installed on the outer walls of the rotating shafts, and the spiral cutting knives are both located below the mounting plate, rotating toothed discs are fixedly installed on the outer walls of the two rotating shafts, and the rotating toothed discs are movably fitted on the top of the mounting plate, a driving gear is sleeved on the outer wall of the connecting tube, and the driving gear is located between the two rotating toothed discs and movably fits the outer walls of the two rotating toothed discs, a filter plate is movably installed in the sleeve, and a filter disc is fixedly sleeved on the outer wall of the filter plate.

[0008] Preferably, a rotating disk is fixedly mounted on the bottom ends of the two rotating shafts, a plurality of shifting blocks are arranged on the outer walls of the rotating disks, and the bottom end side walls of the shifting blocks are arc-shaped.

[0009] Preferably: two lifting slots are provided on the inner wall of the sleeve, and lifting blocks are movably installed in the lifting slots, the bottom ends of the lifting blocks are connected to the inner walls of the bottom ends of the lifting slots through a reset spring, and the sides of the two lifting blocks close to each other are fixedly connected to the outer wall of the filter disc.

[0010] Preferably: a plurality of protrusions are provided at the top of the filter plate, a hemispherical groove is provided at the top of each protrusion, and balls are movably installed in the hemispherical grooves at the top of each protrusion, and a plurality of the balls are evenly distributed below the movable range of the toggle block on the outer wall of the rotating disk.

[0011] Preferably: a circular slide groove is provided on the outer wall of the filter plate, a slider is movably installed in the circular slide groove, an air outlet plate is provided on the outer wall of the slider, the air outlet plate and the slider are connected by a connecting shaft, an insertion hole is provided on the air outlet plate, and an air duct is inserted in the insertion hole on the air outlet plate, and a fan is fixedly installed on the top of the air duct.

[0012] Preferably: a circular ring is provided just above the fixed ring, the circular ring is movably mounted on the outer wall of the driving gear, and a rotating ring is provided on the periphery of the circular ring, and the inner wall of the rotating ring is connected to the outer wall of the circular ring by a plurality of connecting plates, and a clamping assembly is provided on the outer wall of the rotating ring.

[0013] Preferably: the clamping assembly includes a mounting block, an arc-shaped groove is provided on the mounting block, and a hidden groove is provided on the inner wall of the arc-shaped groove, and rotating holes are provided on the inner walls of the upper and lower ends of the hidden groove on the mounting block, and a rotating rod is provided between the two rotating holes, the upper and lower ends of the rotating rod are inserted into the rotating holes, and a splint is fixedly installed on the outer wall of the rotating rod, a limiting screw is provided on the rear back side of the mounting block, and the limiting screw passes through the side wall of the mounting block and movably fits the splint.

[0014] Preferably, a rotating motor is installed at the top end of the rotating shaft close to the right side of the crushing tank, and a plurality of teeth that can mesh with each other are provided on the outer walls of the two rotating gear plates and the driving gear.

[0015] Preferably: the air outlet plate is a hollow plate, the bottom end of the air duct extends into the inner cavity of the air outlet plate, and the top end of the air outlet plate is provided with an opening, and a baffle is inserted in the opening, and the baffle is provided with a plurality of air outlet holes, and filter screens are provided in the air outlet holes.

[0016] Preferably: threaded through holes are provided on the side walls of the two installation frames which are away from each other, locking screws are movably installed in the threaded through holes on the two installation frames, and a plurality of anti-slip wrinkles are provided on the side wall where the locking screws extend into the installation frame.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. In the present invention, when the toggle block follows the rotation of the rotating shaft, the toggle block contacts the ball, and the ball rolls in the hemispherical groove at the top of the protrusion, and the ball moves downward during the rolling process, so that the filter plate generates high-frequency vibration, and the PET plastic bottle flakes located at the top of the filter plate and the filter disc are vibrated and screened, so that the PET plastic bottle flakes that meet the standards after crushing fall through the filter holes on the filter plate and the filter disc to the bottom end of the inner cavity of the crushing tank 1, which is convenient for accelerating the crushing efficiency of the PET plastic bottle flakes.

[0019] 2. The present invention supplies air into the air duct through the operation of the fan and discharges it through the air outlet plate, thereby accelerating the movement range of the PET plastic bottle pieces located above the filter plate, so that the PET plastic bottle pieces can be fully cut by the spiral cutting knife.

[0020] 3. The present invention has a circular ring sleeved on the outer wall of the driving gear, and the driving gear drives the circular ring to rotate during the rotation process. The circular ring, the connecting plate and the rotating ring drive the fan to rotate during the synchronous movement, so that the air outlet plate below the fan rotates on the top of the filter plate, so that the PET plastic bottle pieces in various parts of the crushing tank can be blown up. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 One of the three-dimensional diagrams of the present invention;

[0022] Figure 2 It is a schematic diagram of the structure of the crushing tank of the present invention;

[0023] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the sleeve of the present invention;

[0025] Figure 5 It is a schematic diagram of the structure of the spiral cutting knife of the present invention;

[0026] Figure 6 It is a schematic diagram of the filter plate structure of the present invention;

[0027] Figure 7 It is a schematic diagram of the driving gear structure of the present invention;

[0028] Figure 8 It is a schematic diagram of the structure of the clamping assembly of the present invention.

[0029] In the figure: 1. crushing tank; 2. mounting frame; 3. lifting plate; 4. locking screw; 5. fixing ring; 6. sleeve; 7. connecting pipe; 8. driving gear; 9. rotating gear plate; 10. rotating shaft; 11. spiral cutting knife; 12. circular ring; 13. connecting plate; 14. rotating ring; 15. fan; 16. air duct; 17. air outlet plate; 18. slider; 19. connecting shaft; 20. lifting slide; 21. lifting block; 22. reset spring; 23. filter plate; 24. bump; 25. ball; 26. rotating disk; 27. toggle block; 28. filter plate; 29. ​​circular slide; 30. mounting plate; 31. clamping assembly; 32. mounting block; 33. clamping plate; 34. limiting screw; 35. C-type plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Reference Figure 1-Figure 8As shown, the present invention provides a dual-axis two-stage crushing device for PET plastic bottle chips, including a crushing tank 1, a mounting frame 2 is fixedly installed on the left and right side walls of the crushing tank 1, and a lifting plate 3 is movably installed in the two mounting frames 2. The length, width and height of the inner wall of the mounting frame 2 are the same as the length, width and height of the lifting plate 3, so as to ensure that the lifting plate 3 can move vertically in the mounting frame 2. A fixing ring 5 is fixedly installed between the two lifting plates 3, and a sleeve 6 is installed at the bottom end of the fixing ring 5. The outer ring diameter of the sleeve 6 is the same as the inner ring diameter of the crushing tank 1, and the bottom end of the crushing tank 1 is provided with a The shredder 1 has an opening, and a baffle is movably installed in the opening. The baffle can be removed later to facilitate the removal of the crushed PET plastic bottle pieces in the crushing tank 1. A connecting pipe 7 is fixedly installed on the top of the fixing ring 5, and a mounting plate 30 is fixedly installed on the side of the connecting pipe 7 not connected to the fixing ring 5. A C-shaped plate 35 is movably installed between the mounting plate 30 and the fixing ring 5. The notch of the C-shaped plate 35 is filled with the air duct 16, and a plurality of air outlet holes are provided on the C-shaped plate 35, and a baffle is installed in each of the air outlet holes to prevent the crushed PET plastic bottle pieces from being blown out. The mounting plate 30 is provided with a Two through holes, and the through holes on the two mounting plates 30 are rotatably mounted with a rotating shaft 10, and the outer wall of the rotating shaft 10 is fixedly mounted with a spiral cutting knife 11, and the PET plastic bottle pieces in the crushing tank 1 can be cut by rotating the spiral cutting knife 11, and the spiral cutting knife 11 is located below the mounting plate 30, and the outer wall of the two rotating shafts 10 is fixedly mounted with a rotating toothed disk 9, and the rotating toothed disk 9 is movably fitted on the top of the mounting plate 30, the height of the driving gear 8 is twice that of the rotating toothed disk 9, and the outer wall of the connecting pipe 7 is provided with a driving gear 8, and the driving The gear 8 is located between the two rotating gear discs 9 and movably fits the outer walls of the two rotating gear discs 9. A filter plate 23 is movably installed in the sleeve 6. A filter disc 28 is fixedly mounted on the outer wall of the filter plate 23. The outer ring diameter of the filter disc 28 is the same as the inner ring diameter of the sleeve 6, ensuring that the filter disc 28 can move vertically up and down in the sleeve 6. A plurality of filter holes are provided on the filter disc 28 and the filter plate 23. The PET plastic bottle pieces cut and crushed by two spiral cutting knives 11 can fall to the bottom of the crushing tank 1 through the filter holes on the filter plate 23 and the filter disc 28.

[0032] Reference Figure 1-Figure 8As shown, a rotating disk 26 is fixedly installed at the bottom end of the two rotating shafts 10, and a plurality of toggle blocks 27 are provided on the outer wall of the rotating disk 26, and the bottom end side wall of the toggle block 27 is arc-shaped, so that during the rotation of the rotating shaft 10, the rotating disk 26 and the toggle block 27 can be driven to move synchronously, and the bottom end arc-shaped side wall of the toggle block 27 can fit with the ball 25 on the protrusion 24, and the ball 25 moves downward during the rolling process, so that the filter disk 28 and the filter plate 23 vibrate, so that the PET plastic bottle pieces that are located at the top of the filter disk 28 and the filter plate 23 and reach a suitable size after being crushed are screened and fall to the bottom end of the inner cavity of the crushing tank 1.

[0033] Reference Figure 1-Figure 8 As shown, two lifting slots 20 are provided on the inner wall of the sleeve 6, and lifting blocks 21 are movably installed in the lifting slots 20. The bottom ends of the lifting blocks 21 are connected to the inner walls of the bottom ends of the lifting slots 20 by return springs 22, and the sides of the two lifting blocks 21 close to each other are fixedly connected to the outer wall of the filter disc 28. When the toggle block 27 contacts the ball 25 at the top of the protrusion 24 during rotation, the ball 25 can press the filter disc 28 to move downward during rolling. At this time, the lifting block 21 will move downward in the lifting slot 20. When the toggle block 27 is separated from the contact with the ball 25, the return spring 22 in the lifting slot 20 will push the lifting block 21 to move upward in the lifting slot 20, so that the filter plate 23 and the filter disc 28 move upward and reset, that is, when the toggle block 27 rotates and contacts the ball 25, the filter plate 23 will generate high-frequency vibration, which is convenient for vibrating and screening the PET plastic bottle pieces located at the top of the filter plate 23 and the filter disc 28.

[0034] Reference Figure 1-Figure 8 As shown, a plurality of protrusions 24 are provided at the top of the filter plate 23, and a hemispherical groove is provided at the top of the protrusion 24, and a ball 25 is movably installed in the hemispherical groove at the top of the protrusion 24, and a plurality of balls 25 are evenly distributed below the movable range of the toggle block 27 on the outer wall of the rotating disk 26. When the toggle block 27 contacts the ball 25 during rotation, the ball 25 will roll in the hemispherical groove at the top of the protrusion 24, avoiding the ball 25 being unable to roll and only colliding with the toggle block 27, resulting in deformation of the toggle block 27 and the ball 25 during long-term use, causing the filter disk 28 to fail to work normally.

[0035] Reference Figure 1-Figure 8As shown, a circular slide groove 29 is provided on the outer wall of the filter plate 23, and a slider 18 is movably installed in the circular slide groove 29. An air outlet plate 17 is provided on the outer wall of the slider 18. The air outlet plate 17 and the slider 18 are connected by a connecting shaft 19. An insertion hole is provided on the air outlet plate 17, and an air duct 16 is inserted in the insertion hole on the air outlet plate 17. A fan 15 is fixedly installed on the top of the air duct 16. The air duct 16 is made of a hose. During operation, the fan 15 works to supply air into the air duct 16 and discharge it through the air outlet plate 17, thereby accelerating the activity range of the PET plastic bottle flakes located above the filter disc 28, so that the PET plastic bottle flakes can be fully cut by the spiral cutting knife 11, and the air outlet plate 17 and the slider 18 are connected as a whole by the connecting shaft 19, which can prevent the air outlet plate 17 from being disconnected from the slider 18 during the vibration of the filter disc 28.

[0036] Reference Figure 1-Figure 8 As shown, a circular ring 12 is provided just above the fixed ring 5, and the circular ring 12 is movably mounted on the outer wall of the driving gear 8, and a rotating ring 14 is provided on the periphery of the circular ring 12, and the inner wall of the rotating ring 14 is connected to the outer wall of the circular ring 12 by a plurality of connecting plates 13, a clamping assembly 31 is provided on the outer wall of the rotating ring 14, and a plurality of teeth that can mesh with each other are provided on the inner wall of the circular ring 12 and the outer wall of the driving gear 8, so as to facilitate the rotation of the circular ring 12, the rotating ring 14 and the connecting plate 13 during the rotation of the driving gear 8.

[0037] Reference Figure 1-Figure 8 As shown, the clamping assembly 31 includes a mounting block 32, which is fixedly mounted on the outer wall of the rotating ring 14, and an arc-shaped groove is provided on the mounting block 32, and a hidden groove is provided on the inner wall of the arc-shaped groove, and the inner walls of the upper and lower ends of the hidden groove on the mounting block 32 are provided with rotating holes, and a rotating rod is provided between the two rotating holes, and the upper and lower ends of the rotating rod are inserted into the rotating holes, and a clamping plate 33 is fixedly mounted on the outer wall of the rotating rod, and a limiting screw 34 is provided on the back side of the mounting block 32, and the limiting screw 34 passes through the side wall of the mounting block 32 and movably fits the clamping plate 33, and the air duct 16 is placed in the arc-shaped groove on the mounting block 32, and the limiting screw 34 rotates and pushes the clamping plate 33 to rotate, so that the clamping plate 3 3 and the inner wall of the arc-shaped groove of the mounting block 32 cooperate to clamp and limit the air duct 16, and the bottom end of the fan 15 is provided with a threaded groove, and a threaded column is rotatably installed in the threaded groove, and the top of the mounting block 32 is provided with a threaded groove matching the diameter of the threaded column. By controlling the threaded column to connect the fan 15 and the mounting block 32, the position of the fan 15 can be fixed, and the height of the fan 15 can be adjusted by rotating the threaded column during use, and the height of the fan 15 can be adjusted to avoid the situation that the air duct 16 is too long and bent in the crushing tank 1 when the angle of the air outlet plate 17 is adjusted by adjusting the height of the fan 15, so that the air duct 16 contacts the spiral cutting knife 11 due to the excessive length of the air duct 16.

[0038] Reference Figure 1-Figure 8 As shown, a rotating motor is installed at the top of the rotating shaft 10 near the right side of the crushing tank 1, and the outer walls of the two rotating gear plates 9 and the driving gear 8 are provided with a plurality of teeth that can mesh with each other. The rotating motor drives the rotating gear plates 9, the driving gear 8 and the ring 12 to rotate synchronously.

[0039] Reference Figure 1-Figure 8 As shown, the air outlet plate 17 is a hollow plate, the bottom end of the air duct 16 extends into the inner cavity of the air outlet plate 17, and the top end of the air outlet plate 17 is provided with an opening, and a baffle is inserted in the opening, and the baffle is provided with a plurality of air outlet holes, and the air outlet holes are provided with filter screens, so that air is discharged through the air outlet holes on the baffle, and excessive crushed PET plastic bottle fragments are prevented from falling into the air outlet plate 17, and the baffle on the air outlet plate 17 can be conveniently removed at a later stage to remove the PET plastic bottle fragments remaining in the inner cavity of the air outlet plate 17 to prevent the filter screen from being blocked.

[0040] Reference Figure 1-Figure 8 As shown, threaded through holes are provided on the side walls of the two mounting frames 2 which are away from each other, and locking screws 4 are movably installed in the threaded through holes on the two mounting frames 2, and a plurality of anti-slip folds are provided on the side wall on which the locking screws 4 extend into the mounting frame 2. By extending the locking screws 4 into the mounting frame 2 and fitting the lifting plate 3, the position of the lifting plate 3 can be fixed conveniently, and later on, by removing the lifting plate 3 from the mounting frame 2, the equipment located in the crushing tank 1 can be taken out for maintenance.

[0041] The implementation principle of this embodiment is as follows: when in use, the electrical appliance on the crushing device is first started by an external power supply, and the PET plastic bottle pieces are poured into the crushing tank 1 and located at the top of the filter plate 23 and the filter plate 28, and then the two rotating toothed discs 9 and the driving gear 8 are rotated by the rotating motor, and the rotating toothed disc 9 rotates to drive the rotating shaft 10, the spiral cutting knife 11, the rotating disk 26, and the toggle block 27 to rotate, and the PET plastic bottle pieces are cut by the two spiral cutting knives 11. During the cutting process, the air outlet plate 17 is blown into the crushing tank 1 by the fan 15, so that the PET plastic bottle pieces in the crushing process are blown up and The PET plastic bottle flakes are cut again by the spiral cutting knife 11, and the driving gear 8 drives the ring 12, the connecting plate 13, and the rotating ring 14 to rotate, so that the fan 15 located on the mounting block 32 rotates, and drives the air outlet plate 17 to move in the crushing tank 1, so that the PET plastic bottle flakes can move fully, and the rotating shaft 10 drives the toggle block 27 to rotate and contact the ball 25, so that the filter plate 23 generates high-frequency vibration, which is convenient for vibrating and screening the PET plastic bottle flakes located at the top of the filter plate 23 and the filter disc 28, that is, the PET plastic bottle flakes that meet the standards after crushing fall to the bottom of the inner cavity of the crushing tank 1 through the filter holes on the filter plate 23 and the filter disc 28.

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A two-stage dual-axis crushing device for PET plastic bottle flakes, comprising a crushing tank (1), characterized in that: A mounting frame (2) is fixedly mounted on the left and right side walls of the crushing tank (1), a lifting plate (3) is movably mounted in the two mounting frames (2), a fixing ring (5) is fixedly mounted between the two lifting plates (3), a sleeve (6) is mounted on the bottom end of the fixing ring (5), a connecting pipe (7) is fixedly mounted on the top end of the fixing ring (5), and a mounting plate (30) is fixedly mounted on the side of the connecting pipe (7) not connected to the fixing ring (5), a C-shaped plate is movably mounted between the mounting plate (30) and the fixing ring (5), two through holes are provided on the mounting plate (30), and a rotating shaft (1) is rotatably mounted in the through holes on the two mounting plates (30). 0), spiral cutting knives (11) are fixedly mounted on the outer walls of the rotating shafts (10), and the spiral cutting knives (11) are located below the mounting plate (30), rotating toothed discs (9) are fixedly mounted on the outer walls of the two rotating shafts (10), and the rotating toothed discs (9) are movably fitted on the top of the mounting plate (30), a driving gear (8) is sleeved on the outer wall of the connecting pipe (7), and the driving gear (8) is located between the two rotating toothed discs (9) and movably fits the outer walls of the two rotating toothed discs (9), a filter plate (23) is movably mounted in the sleeve (6), and a filter plate (28) is fixedly sleeved on the outer wall of the filter plate (23).

2. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: A rotating disk (26) is fixedly mounted at the bottom ends of the two rotating shafts (10), a plurality of shifting blocks (27) are arranged on the outer wall of the rotating disk (26), and the bottom side walls of the shifting blocks (27) are arc-shaped.

3. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: Two lifting slots (20) are provided on the inner wall of the sleeve (6), and lifting blocks (21) are movably installed in the lifting slots (20). The bottom ends of the lifting blocks (21) are connected to the inner wall of the bottom end of the lifting slots (20) via a return spring (22), and the sides of the two lifting blocks (21) close to each other are fixedly connected to the outer wall of the filter disc (28).

4. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: The top of the filter plate (23) is provided with a plurality of protrusions (24), the tops of the protrusions (24) are all provided with hemispherical grooves, and balls (25) are movably installed in the hemispherical grooves at the tops of the protrusions (24), and the plurality of balls (25) are evenly distributed below the movable range of the toggle block (27) on the outer wall of the rotating disk (26).

5. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: A circular slide groove (29) is provided on the outer wall of the filter plate (23), a slider (18) is movably installed in the circular slide groove (29), an air outlet plate (17) is provided on the outer wall of the slider (18), the air outlet plate (17) and the slider (18) are connected via a connecting shaft (19), an insertion hole is provided on the air outlet plate (17), and an air duct (16) is inserted into the insertion hole on the air outlet plate (17), and a fan (15) is fixedly installed at the top of the air duct (16).

6. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: A circular ring (12) is provided directly above the fixed ring (5), and the circular ring (12) is movably mounted on the outer wall of the driving gear (8). A rotating ring (14) is provided on the periphery of the circular ring (12), and the inner wall of the rotating ring (14) is connected to the outer wall of the circular ring (12) via a plurality of connecting plates (13). A clamping assembly (31) is provided on the outer wall of the rotating ring (14).

7. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 6, characterized in that: The clamping assembly (31) comprises a mounting block (32), the mounting block (32) being provided with an arc-shaped groove, and a hidden groove being provided on the inner wall of the arc-shaped groove, and rotating holes being provided on the inner walls at both upper and lower ends of the hidden groove on the mounting block (32), and a rotating rod being provided between the two rotating holes, and the upper and lower ends of the rotating rod being inserted into the rotating holes, and a clamping plate (33) being fixedly installed on the outer wall of the rotating rod, and a limiting screw (34) being provided on the rear back side of the mounting block (32), and the limiting screw (34) passing through the side wall of the mounting block (32) and movably fitting the clamping plate (33).

8. The PET plastic bottle flakes double-axis two-stage crushing device according to claim 1, characterized in that: A rotating motor is installed at the top of the rotating shaft (10) close to the right side of the crushing tank (1), and a plurality of teeth that can mesh with each other are provided on the outer walls of the two rotating gear plates (9) and the driving gear (8).

9. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 5, characterized in that: The air outlet plate (17) is a hollow plate, the bottom end of the air duct (16) extends into the inner cavity of the air outlet plate (17), and the top end of the air outlet plate (17) is provided with an opening, and a baffle is inserted in the opening, and a plurality of air outlet holes are provided on the baffle, and filter screens are provided in the air outlet holes.

10. A dual-axis two-stage crushing device for PET plastic bottle flakes according to claim 1, characterized in that: A threaded through hole is provided on the side walls of the two installation frames (2) that are away from each other, and locking screws (4) are movably installed in the threaded through holes on the two installation frames (2), and a plurality of anti-slip folds are provided on the side wall on which the locking screws (4) extend into the installation frame (2).

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