CN209377387U

CN209377387U - A kind of oil-free sanitation-grade rotating knife group

Info

Publication number: CN209377387U
Application number: CN201821786345.4U
Authority: CN
Inventors: 黄威豪
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2019-09-13
Anticipated expiration: 2028-10-31

Abstract

The utility model discloses a kind of oil-free sanitation-grade rotating knife groups, the bearing holder (housing, cover) for including cutter shaft and being set in outside cutter shaft, upper seal is from top to bottom sequentially arranged with outside cutter shaft in the bearing holder (housing, cover), upper bearing (metal), interior snap ring, lower bearing, copper backing, wave washer, outer snap ring and lower seal, flat shape pad is equipped between the interior snap ring and bearing holder (housing, cover), the cutter shaft top is socketed with blade, the cutter shaft top is connected with the screw for locking blade, the utility model bearing is low oil clearance bearing, cutter shaft is short simultaneously, it can prevent cutter shaft from shaking and reduce cutter shaft beat, effectively extend the service life of sealing gland seal in bearing holder (housing, cover).

Description

A kind of oil-free sanitation-grade rotating knife group

[technical field]

The utility model relates to a kind of oil-free sanitation-grade rotating knife groups.

[background technique]

Cutter shaft in existing rotating knife group is easy to shake, at the same cutter shaft it is too long cause cutter shaft will appear up and down or The case where beat, occurs, therefore the axle envelope leakproofness being easily damaged in bearing holder (housing, cover) during rotation, on the other hand existing rotation Knife group leakproofness is poor, it is difficult to which the drying for keeping bearing holder (housing, cover) cavity is prone to wear in high-speed rotation lower, and addition in bearing holder (housing, cover) Lubricating oil does not meet food security standard, while cutter shaft, blade, the screw in existing rotating knife group are not wear-resisting.

[utility model content]

The utility model overcomes the deficiency of above-mentioned technology, provides a kind of oil-free sanitation-grade rotating knife group.

To achieve the above object, the utility model uses following technical proposal:

A kind of oil-free sanitation-grade rotating knife group includes cutter shaft 1 and the bearing holder (housing, cover) being set in outside cutter shaft 12, the bearing Upper seal 3, upper bearing (metal) 4, interior snap ring 5, lower bearing 6, copper backing 7, wave are from top to bottom sequentially arranged with outside cutter shaft 1 in set 2 Shape washer 8, outer snap ring 9 and lower seal 10 are equipped with flat shape pad 11, the cutter shaft 1 between the interior snap ring 5 and bearing holder (housing, cover) 2 Top is socketed with blade 12, and 1 top of cutter shaft is connected with the screw 13 for locking blade 12.

O-ring 14 is equipped between the upper seal 3 and bearing holder (housing, cover) 2.

The upper seal 3 and lower seal 10 are made of polytetrafluoroethylene (PTFE).

The bearing holder (housing, cover) 2, blade 12 and screw 13 are made of ss304 stainless steel.

The beneficial effects of the utility model are:

1, the utility model bearing is low oil clearance bearing, while cutter shaft is short, can prevent cutter shaft from shaking and reduce cutter shaft beat, Effectively extend the service life of sealing gland seal in bearing holder (housing, cover).

2, the utility model uses double click-on designs of interior snap ring and outer snap ring, prevents cutter shaft from moving up and down or beat, mentions The smoothly property of high cutter shaft rotation, while outer snap ring guarantees that wave washer is not ejected as support.

3, the utility model uses the upper seal and lower seal structure being made of polytetrafluoroethylene (PTFE), guarantees bearing mantle cavity The drying property of body, making it at high speed, there is resistance to cutter shaft to wear, while oil-free lubrication, meet safety standard.

4, the utility model resists copper backing design using wave washer, increases the contact surface of wave washer by copper backing Product improves the compactness of knife group to absorb the upper and lower gap of whole group cutter shaft.

5, the utility model bearing holder (housing, cover), blade and screw are all made of ss304 stainless steel cold-forging technique, have hardness high and resistance to Advantage is ground, food security standard is met.

[Detailed description of the invention]

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model section view.

[specific embodiment]

It is described in further detail with reference to the accompanying drawing with the embodiments of the present invention:

As shown in Figs. 1-2, the bearing that a kind of oil-free sanitation-grade rotating knife group includes cutter shaft 1 and is set in outside cutter shaft 1 Set 2, the bearing holder (housing, cover) 2 is interior to be from top to bottom sequentially arranged with upper seal 3, upper bearing (metal) 4, interior snap ring 5, lower bearing outside cutter shaft 1 6, copper backing 7, wave washer 8, outer snap ring 9 and lower seal 10 are equipped with flat shape pad between the interior snap ring 5 and bearing holder (housing, cover) 2 11,1 top of cutter shaft is socketed with blade 12, and 1 top of cutter shaft is connected with the screw 13. of locking blade 12

Upper bearing (metal) 4 and lower bearing 6 are low oil clearance bearing, and cutter shaft 1 is short, can prevent cutter shaft shaking and reduction cutter shaft is inclined Pendulum, while using double click-on designs of interior snap ring 5 and outer snap ring 9, further prevent cutter shaft to move up and down or beat, then pass through copper Gasket 7 increases the contact area of wave washer 8, to absorb 1 upper and lower gap of whole group cutter shaft, improves knife group compactness.

Wherein, O-ring 14 is equipped between the upper seal 3 and bearing holder (housing, cover) 2, preferably raising 2 cavity of bearing holder (housing, cover) is close Feng Xing, the upper seal 3 and lower seal 10 are made of polytetrafluoroethylene (PTFE), further increase leakproofness, guarantee that cavity is dry It is dry.

The bearing holder (housing, cover) 2, blade 12 and screw 13 are made of ss304 stainless steel, have the advantages that hardness is high and wear-resisting, symbol Combined foodstuff safety standard.

Claims

1. a kind of oil-free sanitation-grade rotating knife group, it is characterised in that: include cutter shaft (1) and be set in the axis of cutter shaft (1) outside Bearing sleeve (2) is from top to bottom sequentially arranged with upper seal (3), upper bearing (metal) (4), interior in cutter shaft (1) in the bearing holder (housing, cover) (2) outside Snap ring (5), lower bearing (6), copper backing (7), wave washer (8), outer snap ring (9) and lower seal (10), the interior snap ring (5) flat shape pad (11) is equipped between bearing holder (housing, cover) (2), cutter shaft (1) top is socketed with blade (12), cutter shaft (1) top End is connected with the screw (13) for locking blade (12).

2. a kind of oil-free sanitation-grade rotating knife group according to claim 1, it is characterised in that: the upper seal (3) with O-ring (14) are equipped between bearing holder (housing, cover) (2).

3. a kind of oil-free sanitation-grade rotating knife group according to claim 1, it is characterised in that: the upper seal (3) and Lower seal (10) is made of polytetrafluoroethylene (PTFE).

4. a kind of oil-free sanitation-grade rotating knife group according to claim 1, it is characterised in that: the bearing holder (housing, cover) (2), blade (12) it is made with screw (13) of ss304 stainless steel.