CN215655451U

CN215655451U - Crushing device for sand making machine

Info

Publication number: CN215655451U
Application number: CN202122113998.4U
Authority: CN
Inventors: 吴传戈; 李兴飞; 张延民; 于晓东; 张中义; 张蓝天; 高海玲
Original assignee: Zhengzhou Zhengsheng Heavy Industry Technology Co ltd
Current assignee: Zhengzhou Zhengsheng Heavy Industry Technology Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-28
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a crushing device for a sand making machine, which comprises a shell, wherein two sides of the inner wall of the shell are fixedly connected with a partition plate together, two arc plates are fixedly connected between the lower side of the partition plate and the bottom of the inner wall of the shell, the middle part of the shell is fixedly connected with a motor, the end head of a main shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the shell and is rotatably connected with the shell, two sides of the rotating shaft are respectively provided with a first transmission shaft, one side of the first transmission shaft is provided with a second transmission shaft, one side of the second transmission shaft is provided with two third transmission shafts, the third transmission shafts penetrate through the arc plates and are rotatably connected with the arc plates, one end of each third transmission shaft is fixedly connected with a cam, two sieve plates are arranged on the outer side of the rotating shaft, and the cams are arranged corresponding to the sieve plates. According to the sand powder filtering device, the cam and the two sieve plates are arranged, so that the sieve plates can vibrate up and down while rotating along with the rotating shaft, and the sand powder filtering effect is improved.

Description

Crushing device for sand making machine

Technical Field

The utility model relates to the field of concrete production equipment, in particular to a crushing device for a sand making machine.

Background

Along with the rapid development of society, the demand of concrete is more and more big, and grit is as the main raw material of concrete, and its quantity also increases constantly, and the grit that commonly uses in the building engineering at present is natural grit, but natural grit is a non-renewable resource, along with the increase of construction demand, natural grit resource supply is nervous, and excessive exploitation still can seriously destroy ecological environment. The machine-made sand effectively solves the problem, utilizes rocks, mine tailings or industrial waste residue particles which are prepared by mechanical crushing and screening to replace natural sand as aggregate, not only can solve the problem of insufficient supply of the natural sand, but also improves the utilization of solid waste resources, has obvious environmental protection and energy saving and social and economic comprehensive benefits, and is widely applied, but the existing machine-made sand crushing device is lack of a stone powder treatment device, so that the stone powder content in the machine-made sand is high, the workload of a subsequent sand washing process is increased, and the sand making efficiency is seriously influenced.

A mechanism sand reducing mechanism as chinese patent application No. CN209985496U3 discloses, including smashing the bucket, be equipped with first pivot in smashing the bucket, be equipped with the impeller on the first pivot, be equipped with first sieve tray on the power take off end of first pivot, a plurality of first sieve meshes have been seted up on the first sieve tray, the second pivot is installed at the bottom center of first sieve tray, is equipped with the second sieve tray on the power take off end of second pivot, has seted up a plurality of second sieve meshes on the second sieve tray, is located smash the barrel head portion of second sieve tray below is infundibulate structure, smashes the barrel head portion and is connected with out husky pipe, is equipped with the discharging pipe on the crushing barrel lateral wall, the feed end of discharging pipe is located the up end top of second sieve tray. Although it can carry out filtration treatment to the mountain flour through setting up first sieve dish and second sieve dish, first sieve dish and second sieve dish all can only rotate, and the filter effect to the mountain flour is not strong.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a crushing device for a sand making machine, so that the problems in the prior art are solved.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a reducing mechanism for sand making machine, includes the shell, the common fixedly connected with baffle in inner wall both sides of shell, two arcs of fixedly connected with between the downside of baffle and the bottom of shell inner wall, the middle part fixedly connected with motor of shell, the main shaft end fixedly connected with pivot of motor, the pivot is passed the shell and is rotated with the shell and be connected, the both sides of pivot all are equipped with first transmission shaft, one side of first transmission shaft is equipped with the second transmission shaft, one side of second transmission shaft is equipped with two third transmission shafts, the third transmission shaft passes the arc and rotates with the arc to be connected, the one end fixedly connected with cam of third transmission shaft, the outside of pivot is equipped with two sieves, the cam corresponds the setting with the sieve.

Preferably, the outer side of the rotating shaft is fixedly connected with a first bevel gear, one end of the first transmission shaft is fixedly connected with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the other end of the first transmission shaft is fixedly connected with a third bevel gear, two fixing blocks are fixedly connected between the partition plate and the top of the inner wall of the shell, and the first transmission shaft penetrates through the fixing blocks and is fixedly connected with the fixing blocks.

Preferably, one end of the second transmission shaft is rotatably connected with the bottom of the inner wall of the shell, the other end of the second transmission shaft penetrates through the partition plate and is rotatably connected with the partition plate, one end of the second transmission shaft is fixedly connected with a fourth bevel gear, and the fourth bevel gear is meshed with the third bevel gear.

Preferably, two fifth bevel gears are fixedly connected to the outer side of the second transmission shaft, a sixth bevel gear is fixedly connected to one end, far away from the cam, of the third transmission shaft, and the fifth bevel gears are meshed with the sixth bevel gears.

Preferably, one side of arc is equipped with two spouts, sieve and spout sliding connection, inner wall one side of spout is equipped with heavy groove, it has the slider to sink inslot sliding connection, fixedly connected with spring between the tank bottom of slider and heavy groove.

Preferably, one side fixedly connected with of sieve solid fixed ring, gu fixed ring and heavy groove sliding connection, one side of slider is equipped with the half slot, gu fixed ring one side is equipped with the arc wall, the half slot corresponds the setting with the arc wall, be equipped with the steel ball between half slot and the arc wall.

Preferably, the middle part of sieve is equipped with the mounting hole, the pivot pass the mounting hole and with sieve sliding connection, the outside fixedly connected with a plurality of axle key of pivot, the pore wall of mounting hole is equipped with a plurality of keyway, the axle key corresponds the setting and sliding connection with the keyway.

Preferably, the outside fixedly connected with a plurality of blade of pivot, one side of shell is rotated and is connected with two door plants, every the middle part of door plant all is equipped with the material mouth, the bottom of shell is equipped with out the powder hole.

The utility model has the advantages that: according to the crushing device for the sand making machine, the cams are arranged on the lower sides of the two sieve plates, so that when the motor is started, the motor can drive the sieve plates to rotate and can also drive the cams to rotate, the sieve plates are driven by the cams to move up and down, the sieve plates can vibrate up and down while rotating along with the rotating shaft, and the sand powder filtering effect is improved.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged view of fig. 1 at B.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in fig. 1-3, the crushing device for a sand making machine provided by the utility model comprises a housing 1, a plurality of blades 213 are fixedly connected to the outer side of a rotating shaft 21, the blades 213 are used for crushing sand, two door panels 14 are rotatably connected to one side of the housing 1, a material port is arranged in the middle of each door panel 14, the door panels 14 are used for throwing sand raw materials, and can also facilitate a user to clean the inside of the housing 1, a powder outlet 15 is arranged at the bottom of the housing 1, a partition plate 11 is fixedly connected to both sides of the inner wall of the housing 1, two arc-shaped plates 12 are fixedly connected between the lower side of the partition plate 11 and the bottom of the inner wall of the housing 1, a motor 2 is fixedly connected to the middle of the housing 1, a rotating shaft 21 is fixedly connected to the end of a main shaft of the motor 2, the rotating shaft 21 passes through the housing 1 and is rotatably connected to the housing 1, a first transmission shaft 22 is arranged on both sides of the rotating shaft 21, a first bevel gear 211 is fixedly connected to the outer side of the rotating shaft 21, one end of the first transmission shaft 22 is fixedly connected with a second bevel gear 221, the first bevel gear 211 is meshed with the second bevel gear 221, the other end of the first transmission shaft 22 is fixedly connected with a third bevel gear 222, two fixed blocks 13 are fixedly connected between the partition plate 11 and the top of the inner wall of the shell 1, the first transmission shaft 22 penetrates through the fixed blocks 13 and is fixedly connected with the fixed blocks 13, one side of the first transmission shaft 22 is provided with a second transmission shaft 23, one end of the second transmission shaft 23 is rotatably connected with the bottom of the inner wall of the shell 1, the other end of the second transmission shaft 23 penetrates through the partition plate 11 and is rotatably connected with the partition plate 11, one end of the second transmission shaft 23 is fixedly connected with a fourth bevel gear 231, the fourth bevel gear 231 is meshed with the third bevel gear 222, one side of the second transmission shaft 23 is provided with two third transmission shafts 24, the third transmission shaft 24 penetrates through the arc plate 12 and is rotatably connected with the arc plate 12, one end of the third transmission shaft 24 is fixedly connected with a cam 25, two fifth bevel gears 232 are fixedly connected to the outer side of the second transmission shaft 23, a sixth bevel gear 241 is fixedly connected to one end of the third transmission shaft 24 far away from the cam 25, the fifth bevel gears 232 are meshed with the sixth bevel gear 241, two screen plates 3 are arranged on the outer side of the rotating shaft 21, a plurality of screen holes are formed in the middle portions of the two screen plates 3, the aperture of the screen hole of the upper screen plate 3 is larger than that of the screen hole of the lower screen plate 3, the cam 25 is arranged corresponding to the screen plates 3, the motor 2 is started, the motor 2 drives the rotating shaft 21 to rotate, the rotating shaft 21 drives the first bevel gear 211 to rotate, the first bevel gear 211 drives the second bevel gear 221 and the first transmission shaft 22 to rotate together, the first transmission shaft 22 drives the third bevel gears 222 to rotate together, the third bevel gears 222 drives the fourth bevel gears 231 and the second transmission shaft 23 to rotate together, the second transmission shaft 23 drives the two fifth bevel gears 232 to rotate, the fifth bevel gears 232 drive the corresponding sixth bevel gears 241 and the third transmission shaft 24 to rotate together, therefore, the third transmission shaft 24 drives the cam 25 to rotate together, and the cam 25 is arranged below the sieve plate 3 and is abutted against the sieve plate 3, so that the cam 25 can drive the sieve plate 3 to move up and down when rotating, and the purpose of enhancing the sieving effect of the sieve plate 3 is achieved.

The middle part of sieve 3 is equipped with the mounting hole, pivot 21 pass the mounting hole and with 3 sliding connection of sieve, the outside fixedly connected with a plurality of axle key 212 of pivot 21, the pore wall of mounting hole is equipped with a plurality of keyway, axle key 212 corresponds setting and sliding connection with the keyway, axle key 212 sets up the downside at baffle 11, can not cause the influence to the motion between axle 21 and the baffle 11, through setting up axle key 212 and keyway, can make pivot 21 drive two sieve 3 and rotate jointly when rotating, further strengthen the screening effect of sieve 3 to the mountain flour.

One side of the arc plate 12 is provided with two sliding grooves 121, the sieve plate 3 is connected with the sliding grooves 121 in a sliding manner, one side of the inner wall of the sliding groove 121 is provided with a sinking groove 122, a sliding block 123 is connected in the sinking groove 122 in a sliding manner, a spring 124 is fixedly connected between the sliding block 123 and the groove bottom of the sinking groove 122, one side of the sieve plate 3 is fixedly connected with a fixing ring 31, the fixing ring 31 is connected with the sinking groove 122 in a sliding manner, one side of the sliding block 123 is provided with a semicircular groove, one side of the fixing ring 31 is provided with an arc groove, the semicircular groove and the arc groove are correspondingly arranged, a steel ball 32 is arranged between the semicircular groove and the arc groove, the spring 124 is in a compression state under an initial condition and can push the sliding block 123 downwards so as to press the fixing ring 31 and the sieve plate 3, so that the lower side of the sieve plate 3 is tightly abutted against the inner wall of the sliding grooves 121, when the motor 2 is started, the sieve plate 3 can move up and down along with the rotating process of the rotating shaft 21, the sieve plate 3 drives the fixing ring 31 to move up and down together in the sinking groove 122, the spring 124 can play a buffering role, and meanwhile, the steel balls 32 between the fixing ring 31 and the sliding block 123 can convert sliding friction between the fixing ring 31 and the sliding block 123 into rolling friction, so that the effect of reducing abrasion is achieved.

During the use, keep away from the grit and drop into in casing 1 from door plant 14 of upside, motor 2 is restarted, motor 2 drives pivot 21 common rotation, pivot 21 drives first drive shaft 22 again, blade 213, sieve 3 common rotation, first drive shaft 22 drives second drive shaft 23, second drive shaft 23 drives third drive shaft 24 and cam 25 rotation again, cam 25 rotation makes sieve 3 up-and-down motion, strengthen sieve 3's screening effect, after the grit is stirred by blade 213, the sand powder that accords with the scale passes in the great space of upside sieve 3, and fall on sieve 3 of downside, finer mountain flour passes and discharges from the powder outlet 15 of shell 1 downside in the less space of downside sieve 3, the stock hole on the downside door plant 14 is used for collecting finished product sand powder, the stock hole on the upside door plant 14 is used for discharging the coarser sand powder of off-spec.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a reducing mechanism for system sand machine, includes shell (1), its characterized in that: the inner wall of the shell (1) is fixedly connected with a partition board (11) on two sides, two arc-shaped plates (12) are fixedly connected between the lower side of the partition board (11) and the bottom of the inner wall of the shell (1), a motor (2) is fixedly connected with the middle of the shell (1), a rotating shaft (21) is fixedly connected with the end head of a main shaft of the motor (2), the rotating shaft (21) penetrates through the shell (1) and is rotatably connected with the shell (1), first transmission shafts (22) are arranged on two sides of the rotating shaft (21), a second transmission shaft (23) is arranged on one side of the first transmission shaft (22), two third transmission shafts (24) are arranged on one side of the second transmission shaft (23), the third transmission shafts (24) penetrate through the arc-shaped plates (12) and are rotatably connected with the arc-shaped plates (12), and a cam (25) is fixedly connected with one end of each third transmission shaft (24), the outside of pivot (21) is equipped with two sieve (3), cam (25) and sieve (3) correspond the setting.

2. A crushing device for a sand making machine according to claim 1, characterized in that: the outer side of the rotating shaft (21) is fixedly connected with a first bevel gear (211), one end of the first transmission shaft (22) is fixedly connected with a second bevel gear (221), the first bevel gear (211) is meshed with the second bevel gear (221), the other end of the first transmission shaft (22) is fixedly connected with a third bevel gear (222), two fixing blocks (13) are fixedly connected between the top of the inner wall of the partition plate (11) and the top of the inner wall of the shell (1), and the first transmission shaft (22) penetrates through the fixing blocks (13) and is fixedly connected with the fixing blocks (13).

3. A crushing device for a sand making machine according to claim 2, characterized in that: one end of the second transmission shaft (23) is rotatably connected with the bottom of the inner wall of the shell (1), the other end of the second transmission shaft (23) penetrates through the partition plate (11) and is rotatably connected with the partition plate (11), one end of the second transmission shaft (23) is fixedly connected with a fourth bevel gear (231), and the fourth bevel gear (231) is meshed with the third bevel gear (222).

4. A crushing device for a sand making machine according to claim 3, characterized in that: the outer side of the second transmission shaft (23) is fixedly connected with two fifth bevel gears (232), one end, far away from the cam (25), of the third transmission shaft (24) is fixedly connected with a sixth bevel gear (241), and the fifth bevel gears (232) are meshed with the sixth bevel gears (241).

5. A crushing device for a sand making machine according to claim 1, characterized in that: one side of arc (12) is equipped with two spout (121), sieve (3) and spout (121) sliding connection, inner wall one side of spout (121) is equipped with heavy groove (122), it has slider (123) to sink groove (122) sliding connection, fixedly connected with spring (124) between the tank bottom of slider (123) and heavy groove (122).

6. A crushing device for a sand making machine according to claim 5, characterized in that: one side fixedly connected with of sieve (3) is fixed ring (31), fixed ring (31) and heavy groove (122) sliding connection, one side of slider (123) is equipped with the half slot, one side of fixed ring (31) is equipped with the arc wall, the half slot corresponds the setting with the arc wall, be equipped with steel ball (32) between half slot and the arc wall.

7. A crushing device for a sand making machine according to claim 1, characterized in that: the middle part of sieve (3) is equipped with the mounting hole, pivot (21) pass the mounting hole and with sieve (3) sliding connection, a plurality of shaft key (212) of the outside fixedly connected with of pivot (21), the pore wall of mounting hole is equipped with a plurality of keyway, shaft key (212) correspond with the keyway and set up and sliding connection.

8. A crushing device for a sand making machine according to claim 1, characterized in that: the outside fixedly connected with of pivot (21) a plurality of blade (213), one side of shell (1) is rotated and is connected with two door plant (14), every the middle part of door plant (14) all is equipped with the material mouth, the bottom of shell (1) is equipped with out powder hole (15).