Sealing bearing seat for double-shaft shredding machine

By designing a sealed bearing seat including a worm gear and a screw sleeve mechanism, the problem of the replacement small-sized bearing cannot be effectively sealed in the prior art, and the effective sealing of the bearing seat and the long life of the equipment are achieved.

CN222992141UActive Publication Date: 2025-06-17MAANSHAN YOULI PRECISION MACHINERY CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202421813344.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-30
Publication Date
2025-06-17
Estimated Expiration
2034-07-30

AI Technical Summary

Technical Problem

The existing double-shaft shredder seal bearing seat cannot effectively seal the replaced small-sized bearings, causing waste to enter the bearing seat, affecting the sealing effect.

Method used

A sealed bearing seat including a cartridge body, a sliding groove, a T-shaped block, a worm gear and a screw sleeve mechanism is designed. The rubber block and a fan plate are moved through the meshing of the worm gear, a worm gear, a thread and a screw sleeve, and the baffle plate is driven to contact with the outer surface of the shredded rod to achieve sealing of the bearing seat.

Benefits of technology

It effectively avoids waste materials entering the bearing seat, ensures the sealing effect of the bearing seat, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222992141U_ABST
    Figure CN222992141U_ABST
Patent Text Reader

Abstract

The utility model discloses a sealing bearing seat for a double-shaft shredder, which belongs to the technical field of bearing seats and comprises a bin body, sliding grooves are arranged on two sides of the bin body, T-shaped blocks are slidably connected in the sliding grooves, grooves are arranged at the tops of the T-shaped blocks, and a bearing seat is fixed on one side of each T-shaped block. When the worm rotates, a worm wheel is driven to rotate through meshing, when the worm wheel rotates through threads, when the threads rotate, four sets of thread sleeves are driven to rotate through meshing, when the thread sleeves rotate, screw rods are driven to move through meshing, and when the screw rods move, second fixing rods are driven to move through rubber blocks; the second fixing rod moves to drive a sector plate to move, the sector plate moves to drive a second spring to move, the second spring moves to drive a baffle to move, the baffle makes contact with the outer surface of the shredding rod when moving, and when the baffle makes contact with the outer surface of the shredding rod, the baffle seals the bearing seat, and waste is prevented from entering the bearing seat.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bearing seats, in particular to a sealed bearing seat for a double-shaft shredder. Background Technique

[0002] The double-shaft shredder, also known as a shear shredder, reduces the size of materials through shearing, tearing, and extrusion. This shredder is widely used in waste plastics, waste rubber, wood, and other large-volume waste materials;

[0003] Patent CN105944805A discloses a sealed bearing seat for a double-shaft shredder. When in use, tighten the round nut, and the round nut will squeeze the bearing. Then, the squeezing force will be transmitted to the shredder blade through the labyrinth static seal ring and the labyrinth dynamic seal ring, playing a fastening role; after fastening, add mechanical lubricating oil into the space between the end cover and the bearing, and then cover the end cover. At this time, the mechanical lubricating oil will soak into the bearing and the oil seal, and soak into the position where the labyrinth static seal ring and the labyrinth dynamic seal ring cooperate from the bottom of the oil seal. The mechanical lubricating oil will also flow into the hydraulic and pneumatic rubber seal ring along the small gap set between the lower parts of the labyrinth seal rings for full lubrication and reduce mechanical wear.

[0004] After the existing device is used, when replacing a bearing with a smaller size, the original bearing seat cannot effectively seal the replaced bearing. At this time, waste materials enter the inside of the bearing seat and affect the bearing. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a sealed bearing seat for a double-shaft shredder to solve the problem of ineffective sealing of the replaced bearing as proposed in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A sealed bearing seat for a double-shaft shredder, including a bin body. Sliding grooves are opened on both sides of the bin body to fix the bin body. A T-shaped block is slidably connected inside the sliding grooves, and the T-shaped block slides inside the sliding grooves. A groove is opened at the top of the T-shaped block, and the groove moves when the T-shaped block moves. A bearing seat is fixed on one side of the T-shaped block, and the bearing seat moves when the T-shaped block moves. A worm gear is arranged inside the bearing seat, and the worm gear moves when the bearing seat moves. A worm is meshed with the outer surface of the worm gear. When the worm rotates, it drives the worm gear to rotate through meshing, and the worm penetrates the outer surface of the bearing seat. A thread is fixed on one side of the worm gear, and the thread rotates when the worm gear rotates. Four sets of screw sleeves are meshed with the outer surface of the thread, and the four sets of screw sleeves rotate through meshing when the thread rotates.

[0007] Preferably, a screw rod is meshed and connected inside the screw sleeve. When the screw sleeve rotates, the screw rod is driven to move through meshing. One end of the screw rod is fixed with a rubber block. When the screw rod moves, the rubber block is driven to move. One side of the rubber block is fixed with a second fixing rod. When the rubber block moves, the second fixing rod is driven to move.

[0008] Preferably, a sector plate is fixed on one side of the second fixing rod. When the second fixing rod moves, the sector plate is driven to move. A plurality of groups of second springs are fixed inside the sector plate. When the sector plate moves, the second springs are driven to move. The top of the second spring is fixed with a baffle. When the second spring moves, the baffle is driven to move.

[0009] Preferably, screw grooves are formed on both sides of the bin body. The bin body fixes the screw grooves, and the screw grooves are located at the top of the sliding grooves. A slider is slidably connected inside the sliding grooves. The slider slides inside the sliding grooves, and the slider is located at one end of the T-shaped block.

[0010] Preferably, a mounting seat is fixed on one side of the slider. When the mounting seat moves, the slider is driven to move. A motor is installed on the top of the mounting seat. The mounting seat drives the motor to move. The output end of the motor is fixed with a shredding rod. When the motor rotates, the shredding rod is driven to rotate, and the shredding rod penetrates through the slider.

[0011] Preferably, a bolt is meshed and connected inside the screw groove. When the bolt rotates, it moves through the screw groove. One side of the bolt is fixed with an extrusion block. When the bolt moves, the extrusion block is driven to move. An extrusion rod is arranged at the bottom of the extrusion block. When the extrusion block moves, the extrusion rod is extruded to move, and the extrusion rod is located inside the inner wall of the bin body.

[0012] Preferably, the bottom of the extrusion rod is fixed with a first fixing plate. When the extrusion rod moves, the first fixing plate is driven to move. Both sides of the bottom of the first fixing plate are fixed with first fixing rods. When the first fixing plate moves, the first fixing rods are driven to move. The bottom of the first fixing rod is fixed with a second fixing plate. When the first fixing rod moves, the second fixing plate is driven to move. Both sides of the bottom of the second fixing plate are fixed with first springs. When the second fixing plate moves, the first springs are pressed to move. A plurality of groups of telescopic rods are fixed in the middle of the bottom of the second fixing plate. When the second fixing plate moves, the telescopic rods are driven to move.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. By setting a worm, when the worm rotates, it drives the worm wheel to rotate through meshing. When the worm wheel rotates, it drives the thread to rotate. When the thread rotates, it drives four sets of screw sleeves to rotate through meshing. When the screw sleeves rotate, they drive the screw rod to move through meshing. When the screw rod moves, it drives the rubber block to move. When the rubber block moves, it drives the second fixed rod to move. When the second fixed rod moves, it drives the sector plate to move. When the sector plate moves, it drives the second spring to move. When the second spring moves, it drives the baffle to move. When the baffle moves, it contacts the outer surface of the shredding rod. When the baffle contacts the outer surface of the shredding rod, it seals the bearing seat by the baffle to prevent waste from entering the bearing seat;

[0015] 2. By setting a bolt, when the bolt rotates, it moves through the meshing of the screw groove. When the bolt moves, it drives the extrusion block to move. When the extrusion block moves, it extrudes the extrusion rod to move. When the extrusion rod moves, it drives the first fixing plate to move. When the first fixing plate moves, it drives the first fixed rod to move. When the first fixed rod moves, it drives the second fixing plate to move. When the second fixing plate moves, it drives the telescopic rod to move. The telescopic rod moves into the groove to fix the T-shaped block, which facilitates the movement and fixation of the bearing seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic diagram of the overall internal structure of the present utility model;

[0017] Figure 2 is a schematic diagram of the bolt fixing structure of the present utility model;

[0018] Figure 3 is Figure 1 an enlarged schematic diagram of the structure of A in

[0019] Figure 4 is a schematic diagram of the internal structure of the bearing seat of the present utility model;

[0020] Figure 5 is a schematic diagram of the internal structure of the sector plate of the present utility model.

[0021] In the figure: 1. Bin body; 2. Screw groove; 3. Bolt; 4. Motor; 5. Slide block; 6. Slide groove; 7. Shredding rod; 8. Extrusion block; 9. Extrusion rod; 10. First fixing plate; 11. First fixed rod; 12. Second fixing plate; 13. First spring; 14. Telescopic rod; 15. T-shaped block; 16. Groove; 17. Bearing seat; 18. Worm; 19. Worm wheel; 20. Screw sleeve; 21. Screw rod; 22. Rubber block; 23. Second fixed rod; 24. Sector plate; 25. Second spring; 26. Baffle; 27. Thread; 28. Mounting seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0023] Please refer to Figure 3 , the present utility model provides a technical solution for a sealed bearing seat for a double-shaft shredder: including a bin body 1, chutes 6 are provided on both sides of the bin body 1, the bin body 1 fixes the chutes 6, a T-shaped block 15 is slidably connected inside the chutes 6, the T-shaped block 15 slides inside the chutes 6, a groove 16 is provided at the top of the T-shaped block 15, the groove 16 moves when the T-shaped block 15 moves, a bearing seat 17 is fixed on one side of the T-shaped block 15, the bearing seat 17 moves when the T-shaped block 15 moves, a worm gear 19 is arranged inside the bearing seat 17, the worm gear 19 moves when the bearing seat 17 moves, a worm 18 is meshed with the outer surface of the worm gear 19, the worm gear 19 rotates when the worm 18 rotates through meshing, and the worm 18 penetrates through the outer surface of the bearing seat 17, a thread 27 is fixed on one side of the worm gear 19, the thread 27 rotates when the worm gear 19 rotates, and four sets of screw sleeves 20 are meshed with the outer surface of the thread 27; the four sets of screw sleeves 20 rotate when the thread 27 rotates through meshing.

[0024] The worm 18 rotates to drive the worm gear 19 to rotate through meshing, and the worm gear 19 rotates to drive the thread 27 to rotate.

[0025] Please refer to Figure 3 , Figure 4 , a screw 21 is meshed with the inside of the screw sleeve 20, the screw 21 moves when the screw sleeve 20 rotates through meshing, a rubber block 22 is fixed at one end of the screw 21, the rubber block 22 moves when the screw 21 moves, a second fixing rod 23 is fixed on one side of the rubber block 22, the second fixing rod 23 moves when the rubber block 22 moves, a sector plate 24 is fixed on one side of the second fixing rod 23, the sector plate 24 moves when the second fixing rod 23 moves, multiple sets of second springs 25 are fixed inside the sector plate 24, the second springs 25 move when the sector plate 24 moves, and a baffle 26 is fixed at the top of the second springs 25; the baffle 26 moves when the second springs 25 move.

[0026] The screw sleeve 20 rotates to drive the screw 21 to move through meshing, and the screw 21 moves to drive the rubber block 22 to move.

[0027] In this embodiment: When the worm 18 rotates, it drives the worm wheel 19 to rotate through meshing. When the worm wheel 19 rotates, it drives the thread 27 to rotate. When the thread 27 rotates, it drives four sets of screw sleeves 20 to rotate through meshing. When the screw sleeves 20 rotate, they drive the screw rods 21 to move through meshing. When the screw rods 21 move, they drive the rubber blocks 22 to move. When the rubber blocks 22 move, they drive the second fixed rods 23 to move. When the second fixed rods 23 move, they drive the sector plates 24 to move. When the sector plates 24 move, they drive the second springs 25 to move. When the second springs 25 move, they drive the baffles 26 to move.

[0028] Please refer to Figure 1 , screw grooves 2 are provided on both sides of the bin body 1. The bin body 1 fixes the screw grooves 2, and the screw grooves 2 are located at the top of the sliding grooves 6. A slider 5 is slidably connected inside the sliding grooves 6. The slider 5 slides inside the sliding grooves 6, and the slider 5 is located at one end of the T-shaped block 15. A mounting seat 28 is fixed on one side of the slider 5. When the mounting seat 28 moves, it drives the slider 5 to move. A motor 4 is installed on the top of the mounting seat 28. The mounting seat 28 drives the motor 4 to move. A shredding rod 7 is fixed to the output end of the motor 4. When the motor 4 rotates, it drives the shredding rod 7 to rotate, and the shredding rod 7 penetrates through the slider 5;

[0029] When the mounting seat 28 moves, it drives the motor 4 and the slider 5 to move at the same time. When the motor 4 rotates, it drives the shredding rod 7 to rotate.

[0030] Please refer to Figure 2 , a bolt 3 is meshingly connected inside the screw groove 2. When the bolt 3 rotates, it moves through the screw groove 2. An extrusion block 8 is fixed on one side of the bolt 3. When the bolt 3 moves, it drives the extrusion block 8 to move. An extrusion rod 9 is provided at the bottom of the extrusion block 8. When the extrusion block 8 moves, it extrudes the extrusion rod 9 to move, and the extrusion rod 9 is located inside the inner wall of the bin body 1. A first fixing plate 10 is fixed to the bottom of the extrusion rod 9. When the extrusion rod 9 moves, it drives the first fixing plate 10 to move. First fixing rods 11 are fixed to both sides of the bottom of the first fixing plate 10. When the first fixing plate 10 moves, it drives the first fixing rods 11 to move. A second fixing plate 12 is fixed to the bottom of the first fixing rods 11. When the first fixing rods 11 move, it drives the second fixing plate 12 to move. First springs 13 are fixed to both sides of the bottom of the second fixing plate 12. When the second fixing plate 12 moves, it presses the first springs 13 to move. Multiple telescopic rods 14 are fixed to the middle of the bottom of the second fixing plate 12. When the second fixing plate 12 moves, it drives the telescopic rods 14 to move;

[0031] When the bolt 3 moves, it drives the extrusion block 8 to move. When the extrusion block 8 moves, it extrudes the extrusion rod 9 to move. When the extrusion rod 9 moves, it drives the first fixing plate 10 to move.

[0032] In this embodiment: When the bolt 3 rotates, it moves through the screw groove 2. When the bolt 3 moves, it drives the extrusion block 8 to move. When the extrusion block 8 moves, it extrudes the extrusion rod 9 to move. When the extrusion rod 9 moves, it drives the first fixing plate 10 to move. When the first fixing plate 10 moves, it drives the first fixing rod 11 to move. When the first fixing rod 11 moves, it drives the second fixing plate 12 to move. When the second fixing plate 12 moves, it drives the telescopic rod 14 to move. The telescopic rod 14 moves into the inside of the groove 16 to fix the T-shaped block 15.

[0033] Working principle: By rotating the worm 18 to rotate, when the worm 18 rotates, it drives the worm wheel 19 to rotate through meshing. When the worm wheel 19 rotates, it drives the thread 27 to rotate. When the thread 27 rotates, it drives four sets of screw sleeves 20 to rotate through meshing. When the screw sleeves 20 rotate, they drive the screw rod 21 to move through meshing. When the screw rod 21 moves, it drives the rubber block 22 to move. When the rubber block 22 moves, it drives the second fixing rod 23 to move. When the second fixing rod 23 moves, it drives the sector plate 24 to move. When the sector plate 24 moves, it drives the second spring 25 to move. When the second spring 25 moves, it drives the baffle 26 to move. When the baffle 26 moves, it contacts the outside of the shredding rod 7.

[0034] By rotating the bolt 3 to rotate, when the bolt 3 rotates, it moves through the screw groove 2. When the bolt 3 moves, it drives the extrusion block 8 to move. When the extrusion block 8 moves, it extrudes the extrusion rod 9 to move. When the extrusion rod 9 moves, it drives the first fixing plate 10 to move. When the first fixing plate 10 moves, it drives the first fixing rod 11 to move. When the first fixing rod 11 moves, it drives the second fixing plate 12 to move. When the second fixing plate 12 moves, it drives the telescopic rod 14 to move. The telescopic rod 14 moves into the inside of the groove 16 and the top of the slider 5 to fix the T-shaped block 15 and the slider 5.

[0035] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealed bearing seat for a double-shaft shredder, comprising a housing (1), characterized in that: The silo (1) is provided with a slide groove (6) on both sides, a T-shaped block (15) is slidably connected inside the slide groove (6), a groove (16) is provided on the top of the T-shaped block (15), a bearing seat (17) is fixed on one side of the T-shaped block (15), a worm wheel (19) is arranged inside the bearing seat (17), the outer surface of the worm wheel (19) is meshedly connected with a worm (18), and the worm (18) passes through the outer surface of the bearing seat (17), a thread (27) is fixed on one side of the worm wheel (19), and the outer surface of the thread (27) is meshedly connected with four sets of screw sleeves (20).

2. A sealed bearing seat for a double-shaft shredder according to claim 1, characterized in that: The screw sleeve (20) is meshedly connected with a screw rod (21) inside, a rubber block (22) is fixed to one end of the screw rod (21), and a second fixing rod (23) is fixed to one side of the rubber block (22).

3. A sealed bearing seat for a double-shaft shredder according to claim 2, characterized in that: A fan-shaped plate (24) is fixed on one side of the second fixing rod (23), a plurality of groups of second springs (25) are fixed inside the fan-shaped plate (24), and a baffle (26) is fixed on the top of the second spring (25).

4. The sealed bearing seat for a double-shaft shredder according to claim 1, characterized in that: Screw grooves (2) are provided on both sides of the warehouse body (1), and the screw grooves (2) are located at the top of the slide groove (6). A slider (5) is slidably connected inside the slide groove (6), and the slider (5) is located at one end of the T-shaped block (15).

5. A sealed bearing seat for a double-shaft shredder according to claim 4, characterized in that: A mounting seat (28) is fixed on one side of the slider (5), a motor (4) is mounted on the top of the mounting seat (28), a tearing rod (7) is fixed on the output end of the motor (4), and the tearing rod (7) passes through the slider (5).

6. A sealed bearing seat for a double-shaft shredder according to claim 4, characterized in that: The screw groove (2) is internally meshed with a bolt (3), a squeeze block (8) is fixed to one side of the bolt (3), a squeeze rod (9) is provided at the bottom of the squeeze block (8), and the squeeze rod (9) is located inside the inner wall of the bin body (1).

7. A sealed bearing seat for a double-shaft shredder according to claim 6, characterized in that: A first fixing plate (10) is fixed at the bottom of the extrusion rod (9), first fixing rods (11) are fixed on both sides of the bottom of the first fixing plate (10), a second fixing plate (12) is fixed at the bottom of the first fixing rod (11), first springs (13) are fixed on both sides of the bottom of the second fixing plate (12), and a plurality of telescopic rods (14) are fixed in the middle of the bottom of the second fixing plate (12).

Citation Information

Patent Citations

  • Sealing device with tightening function for double-shaft shredder

    CN105944805A