CN215197145U

CN215197145U - Double-roller sand making machine with lower roller running under gear drive

Info

Publication number: CN215197145U
Application number: CN202120606273.6U
Authority: CN
Inventors: 李小阳
Original assignee: Fujian Mesto Machinery Equipment Co ltd
Current assignee: Fujian Mesto Machinery Equipment Co ltd
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2021-12-17
Anticipated expiration: 2031-03-25

Abstract

The utility model relates to a system sand machine technical field especially indicates a through gear drive lower roller operation to roll-type system sand machine, this system sand machine including the frame, lower roller, go up roller and drive arrangement. The lower roller and the upper roller are both rotatably arranged in the machine frame, the upper roller moves relative to the lower roller, and meanwhile, a gap is reserved between the upper roller and the lower roller. An output shaft of the driving device is fixed with a driving gear, one side of the lower roller is fixed with a driven gear, and the driven gear is meshed with the driving gear, so that the driving device drives the lower roller to operate in a gear transmission mode. The gear transmission structure has high transmission efficiency and stable operation, can ensure that the operation of the stone crusher is more reliable, and is beneficial to prolonging the service life. In addition, an annular baffle is fixed between the side edge of the lower roller and the driven gear, crushed stone rolled by the lower roller and the upper roller can be blocked through the structure of the baffle, and the connection structure of meshing transmission between the driving gear and the driven gear is prevented from being damaged.

Description

Double-roller sand making machine with lower roller running under gear drive

Technical Field

The utility model relates to a system sand machine technical field especially indicates a pair roller-type system sand machine of roller operation under through gear drive.

Background

A sand making machine for grinding blocky stones into fine stones generally adopts a sand making machine with a double-roller structure to crush stones. The double-roll structure usually comprises two rolls (a lower roll and an upper roll) with axes in the same horizontal plane, and stone is crushed after passing through a gap between the two rolls.

At present, in the sand making machine with a pair-roller structure, the overall layout of the equipment is considered, the transmission of the lower roller and the driving device is mostly realized in a belt transmission mode, specifically, belt pulleys are fixed on one side of the lower roller and a power output shaft of the driving device, and a belt is connected to the two belt pulleys simultaneously, so that the operation of the lower roller driven by the driving device is realized. However, the belt transmission method has a slip phenomenon between the belt and the pulley, so that the transmission efficiency is low and unstable.

Disclosure of Invention

The utility model provides a not enough to that above-mentioned background art provided, the utility model provides a through gear drive roller operation down to roll-type system sand machine.

The utility model adopts the following technical scheme:

the utility model provides a through gear drive lower roller operation's pair roller-type system sand machine which characterized in that, this system sand machine including:

a frame;

a drive device; and the number of the first and second groups,

a lower roller and an upper roller connected to the frame;

the lower roller and the upper roller are both rotatably arranged in the rack, the upper roller moves relative to the lower roller, and a gap is reserved between the upper roller and the lower roller; and a driving gear is fixed on an output shaft of the driving device, a driven gear is fixed on one side of the lower roller, and the driven gear is meshed with the driving gear.

As a further improvement, a transmission shaft is further arranged in the rack, the positions of the transmission shaft close to the two ends are respectively penetrated and installed on two bearing seats, the two bearing seats are both fixed to the rack, and the driving gear is coaxially fixed to the transmission shaft.

As a further improvement, a revolving arm is rotatably connected to the upper portion in the machine frame, the upper roller is rotatably connected to the revolving arm, the lower roller is rotatably connected to the machine frame, and the lower roller is located below the upper roller, so that the upper roller is downward close to the lower roller under the action of self gravity.

As a further improvement, an annular baffle is fixed on the side edge of the lower roller, and the outer side edge of the baffle exceeds a gap between the lower roller and the upper roller; the driven gear is fixed to one side, far away from the lower roller, of the baffle, and the half outer diameter of the driven gear is smaller than the outer diameter of the baffle.

As a further improvement, a plurality of threaded holes are annularly distributed on the side edge of the lower roller, each threaded hole is in threaded connection with a bolt, a plurality of first through holes are annularly distributed on the surface of the baffle, and a plurality of second through holes are annularly distributed on the side surface of the driven gear; each threaded hole corresponds to each first through hole and each second through hole one to one, and the bolt penetrates through the second through hole and the first through hole in sequence and then is in threaded connection and fastening with the threaded hole.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the utility model discloses a to roll-type stone crusher through the driven gear that drive arrangement's driving gear meshing is connected to lower roller realize that drive arrangement drives lower roller operation, and this gear drive's mode transmission efficiency is high and operate steadily, can make the operation work to roll-type stone crusher more reliable, is favorable to reducing the holistic life of consumption and improve equipment. In addition, the gear transmission mode has larger torque than the belt transmission mode, and is beneficial to the lower roller and the upper roller to grind and crush harder stone materials, thereby improving the quality of sand making.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of the hidden upper part of the rack in fig. 1.

Fig. 3 is a schematic perspective view of the lower roller connecting baffle and the driven gear.

Fig. 4 is a cross-sectional structure schematic diagram of the lower roller connecting baffle plate and the driven gear.

Fig. 5 is a schematic side view of the preferred embodiment of the present invention.

Fig. 6 is an enlarged schematic view of a point a in fig. 5.

FIG. 7 is a schematic diagram of an embodiment in which the driving gear connects the swing arm and the driving device when the driven gear is an internal gear.

Fig. 8 is an enlarged schematic view at B in fig. 7.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

Referring to the attached figure 1, the double-roller sand making machine driven by a gear to run by a lower roller comprises a machine frame 1, and a lower roller 4, an upper roller 3 and a driving device 5 which are connected in the machine frame 1. Wherein, the lower roller 4 can be rotatably connected to the lower part in the frame 1. The top in the frame 1 still rotates and is connected with the slewing arm 2, go up the rotatable being connected to of roller 3 slewing arm 2 makes slewing arm 2 swing downwards under the effect of self gravity to being close to lower roller 4 at last roller 3 to form the clearance between messenger's upper roller 3 and the lower roller 4, can roll the required grit of crushing formation with the building stones that pass through this clearance.

As shown in fig. 2 and 5, the rotary connection structure between the rotary arm 2 and the frame 1 may be that both sides of one end of the rotary arm 2 are provided with a swing rod 21, and the bottom of the swing rod 21 is provided with a rotation hole (not shown). Fixing seats 11 are fixed on two sides of the frame 1 corresponding to the rotary arms 2, rotating shafts 12 are fixed on the fixing seats 11, the rotating shafts 12 on two sides of the frame 1 respectively penetrate through rotating holes (not shown in the drawing) in the bottoms of the oscillating rods 21 on two sides of the rotary arms 2, and the rotary arms 2 are integrally positioned above the frame 1 to oscillate through the structure, so that the upper roller 3 can oscillate relative to the lower roller 4.

Preferably, referring to fig. 5, a pressing air bag 7 is further disposed in a gap between the top of the rotary arm 2 and the frame 1, and the pressing air bag 7 is inflated and expanded to provide downward pressure to the rotary arm 2, so that the rotary arm 2 and the upper roller 3 are pressed down to be close to the lower roller 4. The other end of the revolving arm 2 opposite to the swinging rod 21 is fixed with a supporting rod 22, and the tail end of the supporting rod 22 is connected with a rotatable pressing plate 23. The adjustable clamping device is characterized in that upright posts 13 are fixed on two sides in the rack 1, adjusting frames 14 are fixed on the upright posts 13, rectangular placing grooves are formed in the adjusting frames 14, a plurality of gaskets 15 are stacked in the placing grooves, and the pressing plates 23 are embedded in the placing grooves and located on the gaskets 15. The structure of supporting the support rod 22 by the upright post 13 can support the slewing arm 2 to have a gap between the lower roller 4 and the upper roller 3. Through which the passing stone can be crushed to form the desired sand.

As shown in fig. 2, a transmission shaft 53 is further disposed in the housing 1, the positions of the transmission shaft 53 near the two ends are respectively inserted into two bearing seats 56, the two bearing seats 56 are fixed to the housing 1, and the transmission shaft 53 is also coaxially fixed with a driving gear 54, which fixes the driving gear 54 to the transmission shaft 53, so that the transmission shaft 53 and the driving gear 54 can stably rotate in the housing 1 under the restriction of the two bearing seats 56. The driving device 5 is fixed to a side of the frame 1, and specifically, the driving device 5 may be a power assembly formed by a motor 51 and a speed reducer 52. An output shaft of the driving device 5 (i.e. an output shaft of the speed reducer) is fixedly connected to the transmission shaft 53, and may specifically be connected through a coupling or a flange. Referring to fig. 1, a driven gear 55 is fixed to a side of the lower roller 4, and the driven gear 55 is engaged with the driving gear 54. The driving device 5 drives the lower roller 4 to rotate by the meshing transmission mode of the driving gear 54 and the driven gear 55, the upper roller 3 is driven to rotate simultaneously by the friction force formed by stones passing through the gap between the lower roller 4 and the upper roller 3 during operation, and the working state that the lower roller 4 and the upper roller 3 rotate to crush the passing stones to form stones is formed.

As shown in fig. 1 to 3, an annular baffle 6 is further fixed on the side edge of the lower roller 4, and the outer side edge of the baffle 6 exceeds the gap between the lower roller 4 and the upper roller 3. The driven gear 55 is fixed to the side of the baffle 6 far away from the lower roller 4, and the half outer diameter of the driven gear 55 is smaller than the outer diameter of the baffle 6. The baffle 6 can prevent crushed stone materials rolled by the lower roller 4 and the upper roller 3 from falling to the tooth gaps of the driven gear 55, thereby preventing the connection structure of the meshing transmission between the driving gear 54 and the driven gear 55 from being damaged.

Referring to fig. 4 again, a plurality of threaded holes 42 are annularly distributed on the side edge of the lower roller 4, each threaded hole 42 is in threaded connection with a bolt 41, a plurality of first through holes 61 are annularly distributed on the surface of the baffle 6, and a plurality of second through holes 551 are annularly distributed on the side surface of the driven gear 55. During installation, the threaded holes 42 are in one-to-one correspondence with the first through holes 61 and the second through holes 551, and then the bolts 41 sequentially penetrate through the second through holes 551 and the first through holes 61 and then are in threaded connection and fastening with the threaded holes 42, so that the baffle 6 and the driven gear 55 can be fixed to the side edge of the lower roller 4, the installation mode is convenient, and the driven gear 55 can be replaced or maintained conveniently in the later period.

In addition, as another embodiment of the present invention, the driving gear 54 and the driven gear 55 may be a ring gear transmission structure as shown in fig. 8, that is, the teeth of the driven gear 55 are on the inner circle, in addition to the above-described structure of the external gear transmission. In this structure, the bearing seat 56 is fixed at the lower part in the frame 1, the transmission shaft 53 passes through and is fixed on the bearing seat 56, one end of the transmission shaft 53 is fixedly connected with the driving gear 54, so that the driving gear 54 is engaged with the teeth of the inner circle of the driven gear 55, and the other end of the transmission shaft 53 is also in transmission connection with the output shaft of the driving device 5 through the universal joint 58. The driving device 5 can drive the transmission shaft 53 to rotate through the connection structure, so that the lower roller 4 is driven to operate through the meshing transmission of the driving gear 54 and the driven gear 55.

To sum up, the utility model discloses a to roller-type stone crusher realizes that drive arrangement drives roller operation down through drive arrangement's driving gear engagement is connected to the driven gear of roller down, and this gear drive's mode transmission efficiency is high and operate steadily, can make more reliable to roller-type stone crusher's operation work, is favorable to reducing the holistic life of consumption and improve equipment. And the gear transmission mode has larger torque, which is beneficial to the lower roller and the upper roller to grind and crush harder stone materials, thereby improving the quality of sand making.

The above-mentioned be the utility model discloses a concrete implementation way, nevertheless the utility model discloses a design concept is not limited to this, and the ordinary use of this design is right the utility model discloses carry out immaterial change, all should belong to the act of infringement the protection scope of the utility model.

Claims

1. The utility model provides a through gear drive lower roller operation's pair roller-type system sand machine which characterized in that, this system sand machine including:

a frame;

a drive device; and the number of the first and second groups,

a lower roller and an upper roller connected to the frame;

2. A pair-roll sand maker operating with a gear-driven lower roll as set forth in claim 1, wherein: the transmission shaft is arranged in the rack, the positions of the transmission shaft, which are close to the two ends, are respectively penetrated and installed on two bearing blocks, the two bearing blocks are both fixed to the rack, and the driving gear is coaxially fixed to the transmission shaft.

3. A pair-roll sand maker operating with a gear-driven lower roll as set forth in claim 1, wherein: the upper portion in the frame is rotated and is connected with the slewing arm, the rotatable connection of going up the roller to the slewing arm, the rotatable connection of lower roller is in the frame to lower roller is located the below of going up the roller, makes and goes up the roller under the effect of self gravity downwards to being close to lower roller.

4. A pair-roll type sander operating by a gear-driven lower roll according to any one of claims 1 to 3, wherein: an annular baffle is further fixed on the side edge of the lower roller, and the outer edge of the baffle exceeds a gap between the lower roller and the upper roller; the driven gear is fixed to one side, far away from the lower roller, of the baffle, and the half outer diameter of the driven gear is smaller than the outer diameter of the baffle.

5. A pair-roll sand maker operating with a gear-driven lower roll as set forth in claim 4, wherein: a plurality of threaded holes are annularly distributed on the side edge of the lower roller, each threaded hole is in threaded connection with a bolt, a plurality of first through holes are annularly distributed on the surface of the baffle, and a plurality of second through holes are annularly distributed on the side surface of the driven gear; each threaded hole corresponds to each first through hole and each second through hole one to one, and the bolt penetrates through the second through hole and the first through hole in sequence and then is in threaded connection and fastening with the threaded hole.