CN212759077U

CN212759077U - Dustproof structure for crushing device

Info

Publication number: CN212759077U
Application number: CN202021500185.XU
Authority: CN
Inventors: 常海涛; 詹承康; 林大富
Original assignee: Fujian Nanping Nanfu Battery Co Ltd
Current assignee: Fujian Nanping Nanfu Battery Co Ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-03-23
Anticipated expiration: 2030-07-27

Abstract

The utility model discloses a dustproof construction for breaker, it is including installing two dustproof units in broken groove, every dustproof unit includes first baffle and the second baffle that sets up with the parallel interval of bearing frame, all sets up the pivot through-hole the same with pivot quantity on first baffle and the second baffle, and first baffle is fixed with the medial surface of bearing frame, and the second baffle is located the inboard of first baffle, installs a cushion respectively between the front and back both sides of the opposite face of first baffle and second baffle, the pivot passes each pivot through-hole one by one and is fixed in on the bearing frame, and all the cover is equipped with the sealing washer between each pivot through-hole and the pivot, synthetic confined dustproof cavity is enclosed in upper cover plate, lower shrouding and the pivot of passing each pivot through-hole of first baffle, second baffle, cushion and broken groove. The dustproof effect is excellent, and the service life of the bearing is prolonged.

Description

Dustproof structure for crushing device

Technical Field

The utility model relates to a breaker especially relates to a dustproof construction for breaker.

Background

In the production process of the alkaline battery, a crushing device is needed to crush the graphite pressed into sheets so as to obtain graphite particles meeting the requirement of granularity of the positive electrode. The current breaker structure is as shown in chinese patent No. 201620653863.3's utility model, and it includes broken groove, and the bottom in broken groove sets up the discharge gate, and both sides set up the mounting hole, set up the bearing frame on the mounting hole, and the bearing is installed on the bearing frame, and the both ends of pivot are installed respectively on the bearing, are connected with motor drive. During operation, bar, lamellar powder get into the broken inslot, and motor drive pivot rotates, drives the blade rotation and smashes bar, lamellar powder, then follow the discharge gate ejection of compact. The crushing in-process can inevitably appear fine granule such as dust, and these dusts are along with the pivoted pivot infiltration entering bearing from the mounting hole, under the condition that the operating mode is abominable, very easily lead to bearing or bearing frame early failure. If the failed bearing or bearings are left to work, equipment is damaged or abnormal faults are caused, so that the dust-proof sealing is needed to be carried out on the shaft end of the rotating shaft so as to reduce dust entering the bearing seat.

Disclosure of Invention

An object of the utility model is to provide a dustproof construction for breaker.

Realize the utility model discloses the technical scheme of purpose is: a dustproof structure for a crushing device comprises two dustproof units arranged in a crushing groove, wherein an upper cover plate with a feed inlet is arranged at the top of the crushing groove, a lower sealing plate with a discharge outlet is arranged at the bottom of the crushing groove, at least one rotating shaft is arranged in the crushing groove, mounting holes are respectively formed in the left end and the right end of the crushing groove, bearing seats are respectively arranged on the mounting holes, and two ends of each rotating shaft are arranged on the corresponding bearing seats through bearings; each dustproof unit comprises a first baffle and a second baffle which are arranged in parallel with the bearing seat at intervals, the first baffle and the second baffle are respectively provided with rotating shaft through holes with the same number as that of rotating shafts, the first baffle is fixedly attached to the inner side end face of the bearing seat, the second baffle is positioned on the inner side of the first baffle, the heights of the first baffle and the second baffle are limited by the fact that the first baffle and the second baffle are respectively attached to the upper cover plate and the lower sealing plate after the upper cover plate and the lower sealing plate are assembled on the crushing groove, cushion blocks for blocking gaps on two sides are respectively arranged between the front side and the rear side of the opposite face of the first baffle and the second baffle, the rotating shafts penetrate through the rotating shaft through holes one by one to be fixed on the bearing seat, a sealing ring is sleeved between each rotating shaft through hole and each rotating shaft, and the first baffle, the second baffle, the cushion block, the upper cover plate and the lower sealing plate of the crushing groove and the rotating shaft penetrating through the through hole of each rotating shaft are enclosed to form a closed dustproof cavity.

Furthermore, a boss extends from one side of the top of the first baffle and the top of the second baffle, which faces away from the bearing seat along the edge of the first baffle and the edge of the second baffle respectively, the boss is arranged in a downward inclination mode relative to the horizontal plane, a small amount of dust at the top can fall off through the boss along with the vibration of the equipment, and dust deposition at the top is prevented.

The utility model discloses utilize the upper cover plate of each dustproof unit and broken groove, lower shrouding to enclose synthetic relative confined dustproof cavity in the distolateral of pivot, even if there is a small amount of dust in the crushing process in getting into the cavity through the sealing washer of the pivot through-hole of first baffle, because blockking of second baffle, only have the sealing washer that very little dust can scurry into the second baffle and reach the bearing frame, dustproof effect is excellent, has prolonged the life of bearing.

Drawings

FIG. 1 is a schematic structural view of the crushing tank of the present invention;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

fig. 3 is a schematic structural diagram of the dustproof unit according to the embodiment of the present invention.

Detailed Description

The following description of the preferred embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 3, a dust-proof structure for a crushing device comprises two dust-proof units 1 installed in a crushing tank 10, wherein an upper cover plate 101 with a feed port is installed at the top of the crushing tank 10, a lower closing plate 102 with a discharge port is installed at the bottom of the crushing tank 10, at least one rotating shaft 20 is installed in the crushing tank 10, mounting holes are respectively formed in the left end (104) and the right end (105) of the crushing tank 10, bearing seats 30 are installed on the mounting holes, and two ends of each rotating shaft 20 are installed on the corresponding bearing seats 30 through bearings 40; each dustproof unit 1 comprises a first baffle plate 11 and a second baffle plate 12 which are arranged in parallel with a bearing seat 30 at intervals, the first baffle plate 11 and the second baffle plate 12 are respectively provided with rotating shaft through holes (111, 121) with the same number as that of rotating shafts 20, the first baffle plate 11 is fixedly attached to the inner side end face of the bearing seat 30, the second baffle plate 12 is positioned on the inner side of the first baffle plate 11, the heights of the first baffle plate 11 and the second baffle plate 12 are limited by respectively attaching top parts (112, 122) and bottom parts (113, 123) of the first baffle plate 11 and the second baffle plate 12 to an upper cover plate 101 and a lower sealing plate 102 after an upper cover plate 101 and the lower sealing plate 102 are assembled by crushing grooves, the top parts (112, 122) of the first baffle plate 11 and the second baffle plate 12 respectively extend out of a boss 13 along the edges of the top parts to one side back to the bearing seat, the boss 13 is arranged downwards inclined relative to the horizontal plane, and a cushion block 14 for blocking gaps on two sides is respectively arranged between the front, the rotating shaft 20 penetrates through the rotating shaft through holes (121,111) one by one to be installed on the bearing seat 30, a sealing ring 15 is sleeved between each rotating shaft through hole (111, 121) and the rotating shaft 20, and the first baffle plate 11, the second baffle plate 12, the cushion block 14, the upper cover plate 101 and the lower cover plate 102 of the crushing tank 10 and the rotating shaft 20 penetrating through each rotating shaft through hole enclose a closed dustproof cavity 50.

The utility model discloses the upper cover plate of each dustproof unit and broken groove, lower shrouding enclose synthetic relative confined dustproof cavity in the distolateral of pivot, form two protective screens to the dust in the broken groove, and the dust blocks effectually, and the life-span of bearing can reach about two years after the prediction installation this dustproof construction.

The bosses of the utility model can be arranged according to the needs, and the addition of the bosses can prevent dust from accumulating on the top; the breach on the cushion in this embodiment 3 is the breach of stepping down for giving broken groove crossbeam, and according to the structure difference of broken groove, the shape of cushion has some differences, but as long as guarantee first baffle, second baffle, cushion and broken groove's upper cover plate, lower shrouding and pass the pivot of each pivot through-hole and can enclose synthetic confined dustproof cavity can.

The above only be the embodiment of the utility model discloses a not consequently restriction the patent scope of the utility model, all utilize the equivalent flow transform that the content of the specification was made, or direct or indirect application is in other relevant technical field, all including on the same reason the utility model discloses a patent protection within range.

Claims

1. The utility model provides a dustproof construction for breaker which characterized in that: the device comprises two dustproof units arranged in a crushing groove, wherein an upper cover plate with a feeding port is arranged at the top of the crushing groove, a lower sealing plate with a discharging port is arranged at the bottom of the crushing groove, at least one rotating shaft is arranged in the crushing groove, mounting holes are respectively formed in the left end and the right end of the crushing groove, bearing seats are respectively arranged on the mounting holes, and two ends of each rotating shaft are arranged on the corresponding bearing seats through bearings; each dustproof unit comprises a first baffle and a second baffle which are arranged in parallel with the bearing seat at intervals, the first baffle and the second baffle are respectively provided with rotating shaft through holes with the same number as that of rotating shafts, the first baffle is fixedly attached to the inner side end face of the bearing seat, the second baffle is positioned on the inner side of the first baffle, the heights of the first baffle and the second baffle are limited by the fact that the first baffle and the second baffle are respectively attached to the upper cover plate and the lower sealing plate after the upper cover plate and the lower sealing plate are assembled on the crushing groove, cushion blocks for blocking gaps on two sides are respectively arranged between the front side and the rear side of the opposite face of the first baffle and the second baffle, the rotating shafts penetrate through the rotating shaft through holes one by one to be fixed on the bearing seat, a sealing ring is sleeved between each rotating shaft through hole and each rotating shaft, and the first baffle, the second baffle, the cushion block, the upper cover plate and the lower sealing plate of the crushing groove and the rotating shaft penetrating through the through hole of each rotating shaft are enclosed to form a closed dustproof cavity.

2. The dustproof structure for a crushing apparatus according to claim 1, characterized in that: and the tops of the first baffle and the second baffle respectively extend to one side back to the bearing seat along the edges of the tops of the first baffle and the second baffle, and the bosses are arranged in a downward inclination mode relative to the horizontal plane.