Discharging and screening device for crusher

Abstract

The utility model relates to the technical field of crushers, and discloses a discharge screening device for a crusher, which comprises a box body, a first screening plate is arranged in the middle of the left and right sides of the inner wall of the box body, a second screening plate is arranged in the middle of the left and right sides of the inner wall of the box body close to the bottom, and a plurality of clamping blocks are fixedly connected to the left and right sides of the inner wall of the box body. A limiting block is arranged on the front side of the box body, a push plate is fixedly connected to the other end of the electric push rod, a second motor is fixedly connected to the top of the fixing frame, a rotating shaft is fixedly connected to the output end of the second motor, and spiral blades are fixedly connected to the outer ring of the rotating shaft. According to the device, sieve plates with different apertures and needing to be replaced slide between the clamping blocks, then the sieve plates are limited through the limiting blocks, and therefore the sieve plates can be rapidly replaced, the electric push rod drives the push plate to push backwards, and the second motor drives the rotating shaft and the spiral blades to rotate so as to convey large crushed aggregates.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a material discharging screening device used on a crusher. Background Art

[0002] A crusher is a device used to break objects into smaller particles or powders. It is usually used to process waste, metal, plastic, wood and other materials. After the crusher breaks the material, a screening device is needed to screen the broken materials.

[0003] After searching, the existing Chinese patent announcement number is: CN209124136U, which provides a discharging screening device for a steel waste crusher. The patent is provided with a driving motor, a belt, a rotating shaft, a spiral flip leaf and a primary screen to perform a primary screening on the crushed steel waste particles, and then a vibration motor is used to perform a secondary screening on the particles, so that three particle piles of different sizes can be obtained, the screening effect is improved, and it is convenient to collect and summarize the steel waste particles. By providing a chute, the secondary screen is slidably connected to the inner wall of the chute. When the adjustment block on the vibration motor drives the secondary screen to screen, the secondary screen will not be misaligned, ensuring the normal screening operation. At the same time, a telescopic sleeve is connected between the baffle and the secondary screen to prevent particles from falling into the chute and causing the secondary screen to be unable to move inside the chute. By providing a guide plate and a collection box, the guide plate directly guides the steel waste particles after the secondary screening into the collection box, and there is no need to collect the particles after the secondary screening later, thereby improving the screening efficiency.

[0004] Although the above patent can perform secondary screening on particles and improve screening efficiency, the above-mentioned steel scrap crusher discharge screening device still has the following problem: after screening the particles, it is not convenient for the device to perform secondary crushing on unqualified materials.

[0005] In view of the above problems, a discharging screening device for a crusher is proposed. Utility Model Content

[0006] The utility model aims to provide a material discharging screening device for a crusher, which solves the problem in the background art that it is inconvenient to perform secondary crushing on unqualified materials after the device screens the particles.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a material discharging screening device for a crusher, comprising a box body, two crushing shafts are penetrated and rotatably connected to the top of the left and right sides of the box body, crushing rollers are penetrated and fixedly connected to the middle of the outer rings of the crushing shafts, a first screen plate is arranged in the middle of the left and right sides of the inner wall of the box body, a second screen plate is arranged in the middle of the left and right sides of the inner wall of the box body near the bottom, a plurality of blocks are fixedly connected to the left and right sides of the inner wall of the box body, and the first screen plate and the second screen plate are located between the top and the bottom of the blocks, a limiting block is arranged on the front side of the box body, a vibration motor is fixedly connected to the rear side of the inner wall of the box body, an electric push rod is fixedly connected to the front side of the box body, a push plate is fixedly connected to the other end of the electric push rod, a fixed plate is fixedly connected to the rear side of the box body, and a conveying structure is arranged on the top of the fixed plate;

[0008] By adopting the above technical solution, the motor and gears are used to drive the crushing shaft and crushing roller to rotate to crush the waste, and then the waste is screened through the sieve plate. By rotating the limit block, the first sieve plate and the second sieve plate can be slid into the box, and then the sieve plates with different apertures that need to be replaced can be slid between the blocks, and then the sieve plates are limited by the limit block, so that the sieve plates can be quickly replaced.

[0009] As a further description of the above technical solution: the conveying structure includes a fixed frame, a discharge box is passed through and fixedly connected to the bottom of the front side of the fixed frame, and the discharge box is fixedly connected to the box body, a second motor is fixedly connected to the top of the fixed frame, a rotating shaft is fixedly connected to the output end of the second motor, a spiral blade is fixedly connected to the outer ring of the rotating shaft, and a discharge plate is passed through and fixedly connected to the top of the front side of the fixed frame;

[0010] By adopting the above technical solution, the second motor drives the rotating shaft and the spiral blades to rotate, so that the large pieces of crushed materials are transmitted upward, and then re-enter the box through the discharge plate for cyclic crushing.

[0011] As a further description of the above technical solution: a support plate is fixedly connected to the bottom of the fixing plate, and the support plate is fixedly connected to the box body;

[0012] By adopting the above technical solution, the fixing plate and the fixing frame are supported by the supporting plate.

[0013] As a further description of the above technical solution: the left side of the outer ring of the crushing shaft is fixedly connected with a gear, and the gears are meshed with each other;

[0014] By adopting the above technical solution, the meshing between the gears can drive the crushing shaft to rotate, so that the crushing roller can be crushed.

[0015] As a further description of the above technical solution: a first motor is fixedly connected to the top of the right side of the box, and the output end of the first motor is fixedly connected to the crushing shaft;

[0016] By adopting the above technical solution, the crushing shaft is driven to rotate by the first motor.

[0017] As a further description of the above technical solution: the limit block is located at the front side of the first sieve plate and the second sieve plate;

[0018] By adopting the above technical solution, the first sieve plate and the second sieve plate are limited by the limiting blocks to prevent the sieve plates from sliding out of the box.

[0019] As a further description of the above technical solution: the vibration motor is located between the first sieve plate and the second sieve plate;

[0020] By adopting the above technical solution, the vibration motor generates vibration, so that the screen plate can screen the crushed materials.

[0021] As a further description of the above technical solution: a material collecting box is penetrated through and slidably connected to the bottom of the front side of the box body.

[0022] By adopting the above technical solution, the screened broken materials are collected through the aggregate box.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a material discharging screening device for a crusher. First, by rotating the limit block, the first screen plate and the second screen plate can be slid into the box body, and then the screen plates with different apertures that need to be replaced are slid between the clamping blocks, and then the screen plates are limited by the limit block, so that the screen plates can be quickly replaced.

[0025] 2. The utility model provides a material discharging screening device for a crusher, which drives the push plate backward through an electric push rod, and the second motor drives the rotating shaft and spiral blades to rotate to convey the crushed materials, which then enter the box through the discharging plate on the front side of the fixed frame for secondary circulation crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 It is a left view of the utility model;

[0028] Figure 3 This is a schematic diagram of the internal structure of the box of the utility model;

[0029] Figure 4 It is a schematic diagram of the internal structure of the fixing frame of the utility model.

[0030] In the figure: 1. box body; 2. crushing shaft; 3. first motor; 4. crushing roller; 5. electric push rod; 6. collecting box; 7. fixed plate; 8. support plate; 9. fixed frame; 10. second motor; 11. discharge plate; 12. gear; 13. discharge box; 14. first sieve plate; 15. second sieve plate; 16. vibration motor; 17. block; 18. limit block; 19. push plate; 20. rotating shaft; 21. spiral blade. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0033] Combination Figure 1 and Figure 2 The utility model is a material discharging screening device for a crusher, comprising a box body 1, two crushing shafts 2 are penetrated and rotatably connected to the top of the left and right sides of the box body 1, a crushing roller 4 is penetrated and fixedly connected to the middle of the outer ring of the crushing shaft 2, a gear 12 is fixedly connected to the left side of the outer ring of the crushing shaft 2, and the gears 12 are meshed with each other. A first motor 3 is fixedly connected to the top of the right side of the box body 1, and the output end of the first motor 3 is fixedly connected to the crushing shaft 2. A collection box 6 is penetrated and slidably connected to the bottom of the front side of the box body 1, and the crushing shaft 2 and the crushing roller 4 are driven to rotate by the first motor 3, and then the material to be crushed is put into the box body 1, and the material is crushed by the crushing roller 4. The crushed crushed material passes through the screen plate and enters the collection box 6.

[0034] Combination Figure 3A first sieve plate 14 is arranged in the middle of the left and right sides of the inner wall of the box body 1, and a second sieve plate 15 is arranged in the middle of the left and right sides of the inner wall of the box body 1 near the bottom. A plurality of blocks 17 are fixedly connected to the left and right sides of the inner wall of the box body 1, and the first sieve plate 14 and the second sieve plate 15 are located between the top and the bottom of the blocks 17. A limiting block 18 is arranged on the front side of the box body 1, and a vibration motor 16 is fixedly connected to the rear side of the inner wall of the box body 1. The limiting block 18 is located in front of the first sieve plate 14 and the second sieve plate 15, and the vibration motor 16 is located between the first sieve plate 14 and the second sieve plate 15. Vibration is generated by the vibration motor 16, so that the first sieve plate 14 and the second sieve plate 15 screen the crushed materials, and the screened particles can enter the aggregate box 6. By rotating the limiting block 18, the first sieve plate 14 and the second sieve plate 15 can be slid into the box body 1, and then the sieve plates with different apertures that need to be replaced are slid between the blocks 17, and then the sieve plates are limited by the limiting block 18, so that the sieve plates can be quickly replaced.

[0035] Combination Figure 4 , an electric push rod 5 is fixedly connected to the front side of the box body 1, and a push plate 19 is fixedly connected to the other end of the electric push rod 5. A fixed plate 7 is fixedly connected to the rear side of the box body 1. A conveying structure is arranged on the top of the fixed plate 7. The conveying structure includes a fixed frame 9. A discharge box 13 is penetrated and fixedly connected to the bottom of the front side of the fixed frame 9, and the discharge box 13 is fixedly connected to the box body 1. A second motor 10 is fixedly connected to the top of the fixed frame 9. A rotating shaft 20 is fixedly connected to the output end of the second motor 10. A spiral blade 21 is fixedly connected to the outer ring of the rotating shaft 20. A discharge plate 11 is penetrated and fixedly connected to the top of the front side of the fixed frame 9. A support plate 8 is fixedly connected to the bottom of the fixed plate 7, and the support plate 8 is fixedly connected to the box body 1. The push plate 19 is pushed backward by the electric push rod 5, and then the second motor 10 drives the rotating shaft 20 and the spiral blade 21 to rotate to convey the crushed materials, and then the crushed materials enter the box body 1 through the discharge plate 11 on the front side of the fixed frame 9 for secondary circulation crushing.

[0036] Working principle: When the utility model is in use, the crushing shaft 2 and the crushing roller 4 are first driven to rotate by the first motor 3, and then the material to be crushed is put into the box 1, the material is crushed by the crushing roller 4, and then the vibration motor 16 is started, and the vibration motor 16 generates vibration, so that the first screen plate 14 and the second screen plate 15 screen the crushed material, and the screened particles can enter the aggregate box 6, and the first screen plate 14 and the second screen plate 15 can be slid into the box 1 by rotating the limit block 18, and then the sieve plates with different apertures that need to be replaced are slid between the card blocks 17, and then the sieve plates are limited by the limit block 18, so that the sieve plates can be quickly replaced. When the crushing is completed, the push plate 19 is pushed backward by the electric push rod 5, and then the second motor 10 drives the rotating shaft 20 and the spiral blade 21 to rotate to convey the crushed material, and then the crushed material enters the box 1 through the discharge plate 11 on the front side of the fixed frame 9 for secondary circulation crushing.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0038] 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 material discharging screening device for a crusher, comprising a box (1), characterized in that: Two crushing shafts (2) are passed through and rotatably connected to the top of the left and right sides of the box body (1); a crushing roller (4) is passed through and fixedly connected to the middle of the outer ring of the crushing shaft (2); a first screen plate (14) is arranged in the middle of the left and right sides of the inner wall of the box body (1); a second screen plate (15) is arranged in the middle of the left and right sides of the inner wall of the box body (1) near the bottom; a plurality of clamping blocks (17) are fixedly connected to the left and right sides of the inner wall of the box body (1), and the first screen plate (14) and the second screen plate (15) are located between the top and the bottom of the clamping blocks (17); a limiting block (18) is arranged on the front side of the box body (1); a vibration motor (16) is fixedly connected to the rear side of the inner wall of the box body (1); an electric push rod (5) is fixedly connected to the front side of the box body (1); the other end of the electric push rod (5) is fixedly connected to a push plate (19); a fixed plate (7) is fixedly connected to the rear side of the box body (1); a conveying structure is arranged on the top of the fixed plate (7).

2. The material discharging screening device for a crusher according to claim 1, characterized in that: The conveying structure comprises a fixed frame (9), a discharge box (13) passes through and is fixedly connected to the bottom of the front side of the fixed frame (9), and the discharge box (13) is fixedly connected to the box body (1), a second motor (10) is fixedly connected to the top of the fixed frame (9), a rotating shaft (20) is fixedly connected to the output end of the second motor (10), a spiral blade (21) is fixedly connected to the outer ring of the rotating shaft (20), and a discharge plate (11) passes through and is fixedly connected to the top of the front side of the fixed frame (9).

3. The material discharging screening device for a crusher according to claim 1, characterized in that: A support plate (8) is fixedly connected to the bottom of the fixed plate (7), and the support plate (8) is fixedly connected to the box body (1).

4. The material discharging screening device for a crusher according to claim 1, characterized in that: The left side of the outer ring of the crushing shaft (2) is fixedly connected with a gear (12), and the gears (12) are meshingly connected with each other.

5. The material discharging screening device for a crusher according to claim 1, characterized in that: A first motor (3) is fixedly connected to the top of the right side of the box body (1), and an output end of the first motor (3) is fixedly connected to the crushing shaft (2).

6. The material discharging screening device for a crusher according to claim 1, characterized in that: The limit block (18) is located at the front side of the first sieve plate (14) and the second sieve plate (15).

7. The material discharging screening device for a crusher according to claim 1, characterized in that: The vibration motor (16) is located between the first sieve plate (14) and the second sieve plate (15).

8. The material discharging screening device for a crusher according to claim 1, characterized in that: A material collecting box (6) penetrates through and is slidably connected to the bottom of the front side of the box body (1).

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