Four-shaft crossed type shredding machine

Abstract

The utility model belongs to the field of shredding machines, and particularly relates to a four-shaft crossed type shredding machine which comprises a machine frame, a box body is installed at the top of the machine frame, a feeding hopper is installed at the top of the box body, a discharging hopper is arranged at the bottom of the box body, and a first cutter shaft and a second cutter shaft are rotatably installed on the inner walls of the two sides of the box body. The first cutter shaft is located on the rear side of the second cutter shaft, a third cutter shaft and a fourth cutter shaft are rotationally installed on the inner walls of the two sides of the box body, the fourth cutter shaft is located on the rear side of the third cutter shaft, the third cutter shaft is located below the first cutter shaft, and the fourth cutter shaft is located below the second cutter shaft; a speed reducer is mounted at the top of the rack; and a belt pulley transmission mechanism is arranged between the motor and the speed reducer. According to the utility model, the design is reasonable, a power system is rearranged, the torque of the shredder is larger, the crushing efficiency is higher, the processing cost is lower, the installation efficiency is higher, the maintenance is more convenient under the same power, and the use efficiency is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shredder technical field especially relates to a four axle cross type shredder. BACKGROUND

[0002] Single motor drive upper layer cutter roll, two cutter rolls use the torque of a motor, equivalent to each cutter roll can use 1 / 2 single motor output torque, when the feeding amount is too large, the load is big, leading to frequent reverse rotation, machine jamming and other phenomena. At this time, the lower layer cutter roll is in an empty carrying state. Under the condition of uniform and normal feeding amount, since the material has been broken once, when the lower layer cutter roll breaks again, the load is also smaller than that when the upper layer cutter roll breaks for the first time. The uneven distribution of the upper and lower layer cutter roll torque causes power waste.

[0003] Upper and lower layer independent drive, leading to the upper layer cutter shaft assembly transmission gear set unable to be immersed for lubrication, only through the external cooling device to pump oil up for lubrication, increasing the manufacturing cost and maintenance cost.

[0004] The cleaning plate adopts radial fixation of the pin shaft, the pin shaft is fixed in the shaft sleeve, and the pin shaft is fixed by a gland. A large number of bolts are not needed to fix the pressing plate, the cost is reduced, and the upper and lower cleaning plates share a middle pin shaft. Since the cleaning plate does not need to be machined with a groove matched with the pressing plate, the cleaning plate can be directly formed by using flame cutting without wire cutting machining, and the machining process is simple. The purpose of reducing cost and convenient installation and maintenance is achieved, and therefore the four axle cross type shredder is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a four axle cross type shredder.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A four axle cross type shredder, including a rack, the top of the rack is provided with a box body, the top of the box body is provided with a feeding hopper, the bottom of the box body is provided with a discharging hopper, the inner walls of the two sides of the box body are rotatably provided with a first cutter shaft and a second cutter shaft, and the first cutter shaft is located at the rear side of the second cutter shaft, the inner walls of the two sides of the box body are rotatably provided with a third cutter shaft and a fourth cutter shaft, and the fourth cutter shaft is located at the rear side of the third cutter shaft, the third cutter shaft is located below the first cutter shaft, and the fourth cutter shaft is located below the second cutter shaft, two motors are installed on the rack, a speed reducer is installed on the top of the rack, a belt pulley transmission mechanism is arranged between the motor and the speed reducer, and the first cutter shaft, the second cutter shaft, the third cutter shaft and the fourth cutter shaft are connected with the speed reducer.

[0008] Preferably, the other two inner walls of the box body are provided with a cleaning plate fixing plate, and the cleaning plate is installed on the cleaning plate fixing plate through a pin shaft.

[0009] Preferably, the speed reducer comprises a gear box, a driving shaft one, a left driving gear, a driving shaft two, a right driving gear and lubricating oil, the driving shaft one is rotatably installed in the gear box, the left driving gear is fixedly installed on the driving shaft one, the driving shaft two is rotatably installed in the gear box, the right driving gear is fixedly installed on the driving shaft two, and the gear box is filled with the lubricating oil.

[0010] Preferably, the belt wheel transmission mechanism comprises a belt wheel one, a belt wheel two and a belt, the belt wheel one is fixedly installed on the output shaft of the motor, the driving shaft one and the driving shaft two are both extended to the outside of the gear box and are provided with the belt wheel two, and the belt wheel one and the corresponding belt wheel two are transmissionally installed with the belt.

[0011] Preferably, one end of the first cutter shaft extends into the gear box and is provided with a gear one, one end of the third cutter shaft extends into the gear box and is provided with a gear two, and the gear one and the gear two are engaged with the left driving gear.

[0012] Preferably, one end of the second cutter shaft extends into the gear box and is provided with a gear three, one end of the fourth cutter shaft extends into the gear box and is provided with a gear four, and the gear three and the gear four are engaged with the right driving gear.

[0013] Preferably, the cleaning plate fixing plate is provided with a bolt hole, a fixing bolt is threadedly installed in the bolt hole, and the cleaning plate fixing plate is detachably installed on the inner wall of the box body through the bolt.

[0014] The four-axis cross type shredder has the advantages that:

[0015] 1. Single motor drives left and right upper and lower two main shafts, torque is redistributed, the surplus torque of the two breakers is fully utilized to improve the usable torque of the initial break, power waste is avoided, and production efficiency is improved.

[0016] 2. The gear arrangement of the single motor driving left and right upper and lower two main shafts removes the forced lubrication system, reduces the burden of the machine, reduces the production cost, and makes the lubrication system maintenance simpler.

[0017] 3. The cleaning plate is fixed by using a pin shaft, a middle pin shaft is shared, a coincident area of the cleaning plate is formed, material accumulation is avoided, a guide plate structure is replaced, processing cost is reduced, and installation and maintenance are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a side view structural schematic diagram of a four-axis cross type shredder according to the present application;

[0019] Figure 2 Fig. 2 is a front view structural schematic diagram of a four-axis cross type shredder according to the present application;

[0020] Figure 3The utility model provides a kind of cross section structure schematic diagram of the box of four-axis cross type shredder.

[0021] Figure 4 The utility model provides a kind of structure schematic diagram of A part of four-axis cross type shredder.

[0022] Figure 5 The utility model provides a kind of cross section structure schematic diagram of the speed reducer of four-axis cross type shredder.

[0023] In the drawing: 1, feed hopper;2, No. 1 cutter shaft;3, No. 2 cutter shaft;4, No. 3 cutter shaft;5, No. 4 cutter shaft;6, speed reducer;61, gear one;62, gear two;63, gear three;64, gear four;601, lubricating oil;602, right drive gear;603, left drive gear;7, discharge hopper;8, pulley transmission mechanism;9, motor;10, rack;11, gear box;12, box;13, pin shaft;14, cleaning plate;15, cleaning plate fixed plate. DETAILED DESCRIPTION

[0024] The technical scheme of the utility model will be described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0025] REFERENCE Figures 1-5 A kind of four-axis cross type shredder, including rack 10, the top of rack 10 is equipped with box 12, the top of box 12 is equipped with feed hopper 1, the bottom of box 12 is equipped with discharge hopper 7, one side inner wall of box 12 is rotatably installed No. 1 cutter shaft 2 and No. 2 cutter shaft 3, and No. 1 cutter shaft 2 is located at the rear side of No. 2 cutter shaft 3, one side inner wall of box 12 is rotatably installed No. 3 cutter shaft 4 and No. 4 cutter shaft 5, and No. 4 cutter shaft 5 is located at the rear side of No. 3 cutter shaft 4, No. 3 cutter shaft 4 is located below No. 1 cutter shaft 2, No. 4 cutter shaft 5 is located below No. 2 cutter shaft 3, two motors 9 are installed on rack 10, the top of rack 10 is equipped with speed reducer 6, pulley transmission mechanism 8 is equipped between motor 9 and speed reducer 6, and No. 1 cutter shaft 2, No. 2 cutter shaft 3, No. 3 cutter shaft 4, No. 4 cutter shaft 5 are connected with speed reducer 6.

[0026] In the embodiment, the other two inner walls of the box body 12 are provided with cleaning plate fixing plates 15, the cleaning plates 14 are installed on the cleaning plate fixing plates 15 through the pin shafts 13, bolt holes are formed in the cleaning plate fixing plates 15, and the cleaning plate fixing plates 15 are detachably installed on the inner walls of the box body 12 through the bolts, the cleaning plates are fixed in the radial direction through the pin shafts, and the cleaning plate fixing plates are fixed in the axial direction, so that the materials on the cleaning shafts are prevented from winding around the shafts and blocking the materials, and the multi-claw structures of the third and fourth shafts ensure that the sizes of the discharged materials are uniform.

[0027] In the embodiment, the speed reducer 6 comprises a gear box 11, a driving shaft one, a left driving gear 603, a driving shaft two, a right driving gear 602 and lubricating oil 601. The driving shaft one is rotatably installed in the gear box 11, and the left driving gear 603 is fixedly installed on the driving shaft one. The driving shaft two is rotatably installed in the gear box 11, and the right driving gear 602 is fixedly installed on the driving shaft two. The gear box 11 is filled with the lubricating oil 601, and the gears three and four are immersed in the lubricating oil. In the transmission process, the lubricating oil is brought to the first, third and driving gears, and the gears one and two do not need to be lubricated by an additional forced lubrication system.

[0028] In the embodiment, the belt wheel transmission mechanism 8 comprises a belt wheel one, a belt wheel two and a belt. The belt wheel one is fixedly installed on the output shaft of the motor 9, and the driving shaft one and the driving shaft two extend to the outside of the gear box 11 and are provided with the belt wheel two. The belt is transmissionally installed between the belt wheel one and the corresponding belt wheel two. Through the cooperation of the belt wheel one, the belt wheel two and the belt, the two motors drive the left driving gear and the right driving gear to rotate, respectively. The left driving gear drives the gears one and two to rotate, respectively. The right driving gear can drive the gears two and four to rotate.

[0029] In the embodiment, one end of the first cutter shaft 2 extends into the gear box 11 and is provided with the gear one 61. One end of the third cutter shaft 4 extends into the gear box 11 and is provided with the gear two 62. The gear one 61 and the gear two 62 are engaged with the left driving gear 603. One end of the second cutter shaft 3 extends into the gear box 11 and is provided with the gear three 63. One end of the fourth cutter shaft 5 extends into the gear box 11 and is provided with the gear four 64. The gear three 63 and the gear four 64 are engaged with the right driving gear 602.

[0030] The utility model discloses, material enters the gear box 11 body from feed hopper 1, through the cooperation of pulley one, pulley two and belt, two motor 9 drive left drive gear 603 and right drive gear 602 rotation respectively, left drive gear 603 drive gear one 61, gear two 62 rotation respectively, right drive gear 602 can drive gear two 62 and gear four 64 rotation, gear and cutter shaft are directly connected to can drive cutter shaft rotation, material first by no. 1 cutter shaft 2 and no. 2 cutter shaft 3 carry out primary shearing and crushing, then by no. 3 cutter shaft 4 and no. 4 cutter shaft 5 carry out secondary shearing and crushing, simultaneously to the material of entering no. 2 cutter shaft 3 and no. 3 cutter shaft 4, no. 1 cutter shaft 2 and no. 4 cutter shaft 5 area also carry out shearing and shredding machine, this structure guarantees that material carries out at least secondary crushing, can control the size of discharge.

[0031] The cleaning plate 14 is fixed radially by the pin shaft 13, and the cleaning plate fixing plate 15 is axially fixed, so that the material on the cleaning shaft is not wound around the shaft and blocked, the third and fourth shafts adopt a multi-claw structure to ensure that the size of the discharged material is uniform.

[0032] The gear three 63 and gear four 64 are immersed in the lubricating oil 601, and the lubricating oil 601 is brought to the no. 1, no. 3 and drive gears during transmission, so that the gear one 61 and gear two 62 do not need an additional forced lubrication system for lubrication.

[0033] The four-axis cross-type shredder provided by the utility model is described in detail. The principles and implementation manners of the utility model are described by applying specific examples in the paper, and the above examples are only used to help understand the method and core idea of the utility model. It should be pointed out that the utility model can be improved and modified in many ways without departing from the principles of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. A four-shaft cross-cut shredder, characterized by, Including frame (10), the top of frame (10) is installed with box (12), the top of box (12) is installed with feed hopper (1), the bottom of box (12) is equipped with discharge hopper (7), the inside wall of both sides of box (12) is rotatably installed with No. 1 cutter shaft (2) and No. 2 cutter shaft (3), and No. 1 cutter shaft (2) is located at the rear side of No. 2 cutter shaft (3); The inside wall of both sides of box (12) is rotatably installed with No. 3 cutter shaft (4) and No. 4 cutter shaft (5), and No. 4 cutter shaft (5) is located at the rear side of No. 3 cutter shaft (4), No. 3 cutter shaft (4) is located below No. 1 cutter shaft (2), and No. 4 cutter shaft (5) is located below No. 2 cutter shaft (3); Two motors (9) are installed on frame (10), a reduction machine (6) is installed on the top of frame (10), a belt pulley transmission mechanism (8) is arranged between motor (9) and reduction machine (6), and No. 1 cutter shaft (2), No. 2 cutter shaft (3), No. 3 cutter shaft (4) and No. 4 cutter shaft (5) are connected with reduction machine (6).

2. A four-shaft cross-cut shredder according to claim 1, characterized in that Cleaning plate fixing plate (15) is installed on the other two inside walls of box (12), cleaning plate (14) is installed on cleaning plate fixing plate (15) through pin shaft (13).

3. A four-shaft intersecting type shredder according to claim 1, wherein Reduction machine (6) comprises gear box (11), drive shaft one, left drive gear (603), drive shaft two, right drive gear (602) and lubricating oil (601), drive shaft one is rotatably installed in gear box (11), left drive gear (603) is fixedly installed on drive shaft one, drive shaft two is rotatably installed in gear box (11), right drive gear (602) is fixedly installed on drive shaft two, and gear box (11) is filled with lubricating oil (601).

4. A four-shaft intersecting type shredder according to claim 1, characterized in that, Belt pulley transmission mechanism (8) comprises pulley one, pulley two and belt, pulley one is fixedly installed on the output shaft of motor (9), drive shaft one and drive shaft two are extended to the outside of gear box (11) and are provided with pulley two, and belt is transmissionally installed between pulley one and corresponding pulley two.

5. A four-shaft intersecting type shredder according to claim 1, wherein One end of No. 1 cutter shaft (2) is extended into gear box (11) and is provided with gear one (61), one end of No. 3 cutter shaft (4) is extended into gear box (11) and is provided with gear two (62), and gear one (61) and gear two (62) are engaged with left drive gear (603).

6. A four-shaft intersecting type shredder according to claim 1, wherein One end of No. 2 cutter shaft (3) is extended into gear box (11) and is provided with gear three (63), one end of No. 4 cutter shaft (5) is extended into gear box (11) and is provided with gear four (64), and gear three (63) and gear four (64) are engaged with right drive gear (602).

7. A four-shaft intersecting type shredder according to claim 2, wherein Screw holes are formed in cleaning plate fixing plate (15), and fixing is screwedly installed in screw holes, and cleaning plate fixing plate (15) is detachably installed on the inner wall of box (12) through bolts.

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