CN210875548U - Shredding machine - Google Patents

Abstract

The utility model discloses a shredder, which belongs to the technical field of shredder equipment. The shredder includes a frame, a shredding box placed on the top of the frame, a feeding hopper fixed on the top of the shredding box, and a drive motor fixed inside the frame and symmetrically arranged along the shredding box. The output ends of each of the drive motors are all connected with a pulley set, the output end of the pulley set is connected to the input shaft of the reducer, and the rotating shaft of the output end of the reducer is connected with two parallel shredders through a coupling. roller, the outer wall of the shredding roller is fixed with a first shredding iron sheet, and two adjusting rollers are installed under the inner side of the shredding box, and the outer walls of the two adjusting rollers are also fixed with The second shredding iron sheet; the utility model is provided with a regulating roller below the shredding roller, and the shavings shredded by the shredding roller are cut by the regulating roller, so as to facilitate the subsequent processing of the shredding roller.

Description

a shredder

technical field

The utility model relates to the technical field of shredder equipment, in particular to a shredder.

Background technique

The main function of the shredder is to tear the various shavings produced on the workpiece processed by the lathe during the metal cutting process. The hydraulic chip paralleling machine in the subsequent process directly cold-presses the steel shavings of moderate length into cylindrical cakes, which is convenient for the storage, transportation and firing of the shavings. The shredder is mainly composed of a frame, a drive motor, a pulley, a reducer, a coupling, a roller with iron sheets, a regulating roller, a feeding hopper, and an electric control cabinet. The shredder mainly has the following characteristics: simple structure, small machine footprint, convenient feeding, strong shredding capacity, can reach 8-10 tons / hour, the equipment has overload protection device; the equipment is economical and practical, very suitable for hydraulic chips and shredding. The front processing equipment of the machine.

However, in the actual working process, when dealing with shavings of special materials with hardness and toughness, under the traction of the shredding roller, such shavings are easily entangled together, so that the shredded shavings are entangled into a ball. Therefore, it is difficult to control the length of the shavings after shredding, which is not conducive to the subsequent processing of the shavings.

Utility model content

The purpose of the utility model is to solve the problem that when dealing with shavings of special materials with hardness and toughness, under the traction of the shredding roller, such shavings are easily entangled together, so it is difficult to control the length of the shredded shavings The problem was raised by a shredder.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A shredder, comprising a frame, a shredding box placed on the top of the frame, a feeding hopper fixed on the top of the shredding box, and a drive fixed inside the frame and symmetrically distributed along the shredding box The motor is characterized in that the output ends of the two drive motors are both connected with a pulley set, the output end of the pulley set is connected with a reducer, and the rotating shaft of the output end of the reducer is connected with two Shredding rollers arranged in parallel, the outer wall of the shredding rollers is fixed with a first shredding iron sheet;

Two adjusting rollers are installed under the inner side of the shredding box, and second shredding iron pieces are also fixed on the outer walls of the two adjusting rollers.

Preferably, the pulley set includes a small pulley fixed on the output end of the drive motor, the small pulley is connected with a large pulley through a transmission belt, and the large pulley is installed on the input shaft of the reducer.

Preferably, an end of the input shaft of the reducer placed in the reducer is fixed with a driving gear, and the driving gear is respectively meshed with a first driven gear and a second driven gear.

Preferably, the first driven gear and the second driven gear are respectively connected with the output shaft of the reducer.

Preferably, the two adjusting rollers are unpowered adjusting rollers.

Preferably, the two adjusting rollers are placed below the shredding roller.

Compared with the prior art, the utility model provides a shredder, which has the following beneficial effects:

1. In this shredder, the shavings with a certain hardness and toughness are shredded into the box through the feeding hopper, and the driving motor transmits its power to the pulley group during operation, specifically, the driving motor drives the small pulley to rotate, and the small pulley rotates. The pulley then drives the large pulley to rotate through the transmission belt, and the large pulley then transmits the power to the reducer. After the reducer is decelerated, it passes through the coupling to drive the shredding roller. The shredding roller passes through when rotating. The first shredding iron piece on the outer wall shreds the shavings entering the shredding box;

The working principle of the reducer of the present utility model is as follows, the large pulley drives the input shaft of the reducer to rotate, thereby driving the driving gear to rotate, and the driving gear further drives the first driven gear and the second driven gear to rotate respectively, the first driven gear and the second driven gear rotate. When the second driven gear rotates, the shredding roller is driven to rotate through the output shaft of the reducer, so as to achieve the purpose of shredding the shavings.

2. In this shredder, the two adjusting rollers are unpowered adjusting rollers. Under the traction of the shredded shavings above, the two adjusting rollers are driven to rotate, so as to utilize the second shredding iron on the adjusting rollers. The shavings are cut again.

The parts not involved in the device are the same as the existing technology or can be realized by using the existing technology. In the present invention, a regulating roller is arranged below the regulating roller, and the shredding roller is shredded by the regulating roller. The shavings are cut to control the length of the shavings after shredding, so as to facilitate the subsequent processing of the shavings.

Description of drawings

Fig. 1 is the front view of a kind of shredder proposed by the utility model;

Fig. 2 is the side view of a kind of shredder proposed by the utility model;

Fig. 3 is the top view of a kind of shredder proposed by the utility model;

Figure 4 is a schematic structural diagram of the connection between a large pulley and a reducer of a shredder proposed by the utility model;

5 is one of the structural schematic diagrams of the connection between the shredding roller and the first shredding iron piece of a shredder proposed by the utility model;

6 is the second structural schematic diagram of the connection between the shredding roller and the first shredding iron piece of a shredder proposed by the utility model;

FIG. 7 is a schematic structural diagram of a large pulley of a shredder proposed by the utility model;

Figure 8 is a schematic structural diagram of a small pulley of a shredder proposed by the utility model;

Fig. 9 is the structural representation of a kind of shredder shredding roller proposed by the utility model;

10 is one of the structural schematic diagrams of the connection between the adjusting roller of a shredder and the second shredding iron piece proposed by the utility model;

Fig. 11 is the second structural schematic diagram of the connection between the adjusting roller of a shredder and the second shredding iron piece proposed by the utility model.

In the figure: 1. Frame; 2. Shredding box; 3. Drive motor; 4. Reducer; 5. Coupling; 6. Shredding roller; 7. First shredding iron sheet; 8. Adjustment Roller; 9. The second shredding iron; 10. Small pulley; 11. Transmission belt; 12. Large pulley; 13. Input shaft of reducer; 14. Driving gear; 15. First driven gear; 16. No. Two driven gears; 17, the output shaft of the reducer.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

1-11, a shredder includes a frame 1, a shredding box 2 placed on the top of the frame 1, a feeding hopper fixed on the top of the shredding box 2, and a shredder fixed on the frame 1 The drive motors 3 are symmetrically distributed inside and along the shredding box 2. The output ends of the two drive motors 3 are both connected with a belt pulley group, and the output end of the belt pulley group is connected with a reducer 4. The shaft 5 is connected with two shredding rollers 6 arranged in parallel, and the outer wall of the shredding rollers 6 is fixed with a first shredding iron sheet 7;

Two regulating rollers 8 are installed under the inner side of the shredding box 2 , and second shredding iron pieces 9 are also fixed on the outer walls of the two regulating rollers 8 .

The pulley set of this embodiment includes a small pulley 10 fixed at the output end of the drive motor 3, the small pulley 10 is connected to the large pulley 12 through the transmission belt 11, and the large pulley 12 is connected to the reducer 4 through the reducer input shaft 13. In the production process, by increasing the diameter of the large pulley 12, the rotation speed of the shredding roller 6 can be slowed down to increase the torque, so that the shredding force of the first shredding iron sheet 7 on the shredding roller 6 is greater; , the length on the first shredded iron piece 7 can be shortened, and the meshing length between the iron pieces can be reduced, so as to reduce the resistance of the first shredded iron piece 7;

In addition, the shaft diameter of the shredding roller 6 can also be increased to improve the strength of the shaft on the shredding roller 6 .

One end of the input shaft 13 of the reducer placed in the reducer 4 is fixed with a driving gear 14. The driving gear 14 is respectively meshed with a first driven gear 15 and a second driven gear 16. The first driven gear 15 and the second driven gear The driven gear 16 is symmetrically located on both sides of the driving gear 14, and the first driven gear 15 and the second driven gear 16 are respectively connected to the output shaft 17 of the reducer;

The output shaft 17 of the reducer connected with the first driven gear 15 and the second driven gear 16 is connected with the shredding roller 6 through the coupling 5 .

Two adjusting rollers 8 are placed under the shredding roller 6, so that the shredded shavings are cut again by the adjusting rollers 8, so as to control the length of the shavings.

In the utility model, the shavings with certain hardness and toughness are shredded into the box body 2 through the feeding hopper, and the driving motor 3 transmits its power to the pulley group during operation, specifically, the driving motor 3 drives the small pulley 10. Rotating, the small pulley 10 then drives the large pulley 12 to rotate through the transmission belt 11, and the large pulley 12 then transmits the power to the reducer 4. After the reducer 4 is decelerated, it is connected through the coupling 5, so as to realize the shredding roller. 6 is driven, and the shredding roller 6 shreds the shavings entering the shredding box 2 through the first shredding iron sheet 7 of its outer wall when it rotates;

The working principle of the reducer 4 of the present invention is as follows: the large pulley 12 drives the input shaft 13 of the reducer to rotate, thereby driving the driving gear 14 to rotate, and the driving gear 14 further drives the first driven gear 15 and the second driven gear 16 to rotate. , the first driven gear 15 and the second driven gear 16 drive the output shaft 17 of the reducer when rotating, and drive the shredding roller 6 to rotate through the coupling to achieve the purpose of shredding the shavings;

In the utility model, two adjusting rollers 8 are arranged on the inner wall of the shredding box 2, and the two adjusting rollers 8 are driven to rotate under the traction of the shredded shavings above, so as to utilize the second tearing rollers on the adjusting roller 8. The iron scraps 9 cut the shavings again, so as to cut the tangled shavings, so as to achieve the purpose of controlling the length of the shavings.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

Claims (6)

1. A shredder comprises a rack (1), a shredding box body (2) arranged at the top of the rack (1), a feeding hopper fixedly arranged at the top of the shredding box body (2), and driving motors (3) fixedly arranged in the rack (1) and symmetrically distributed along the shredding box body (2), and is characterized in that the output ends of the two driving motors (3) are in transmission connection with a belt pulley group, the output end of the belt pulley group is connected with a speed reducer (4), a rotating shaft at the output end of the speed reducer (4) is connected with two parallel shredding rollers (6) through a shaft coupling (5), and the outer wall of each shredding roller (6) is fixedly provided with a first shredding iron sheet (7);

two adjusting rollers (8) are installed below the inner side of the shredding box body (2), and the outer wall of each adjusting roller (8) is fixedly provided with a second shredding iron sheet (9) in the same manner.

2. A shredder according to claim 1, characterised in that the pulley set comprises a small pulley (10) fixedly arranged at the output end of the drive motor (3), the small pulley (10) is in transmission connection with a large pulley (12) through a transmission belt (11), and the large pulley (12) is connected with the reducer (4) through a reducer input shaft (13).

3. A shredder according to claim 2, wherein a driving gear (14) is fixedly arranged at one end of the input shaft (13) of the speed reducer (4), the driving gear (14) is respectively engaged with a first driven gear (15) and a second driven gear (16), and the first driven gear (15) and the second driven gear (16) are respectively connected with the output shaft (17) of the speed reducer.

4. A shredder according to claim 3, characterised in that the reducer output shaft (17) of the first driven gear (15) and of the second driven gear (16) is connected to the shredding drum (6) by means of a coupling (5).

5. A shredder according to claim 1, characterised in that both of said adjusting rollers (8) are unpowered adjusting rollers.

6. A shredder according to claim 1, characterised in that two of said adjusting drums (8) are placed below the shredding drum (6).

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