Large-taper refiner stator and rotor structure

Abstract

The utility model relates to the technical field of papermaking equipment, in particular to a stator and rotor structure of a large-taper refiner, which comprises a rotor body and a stator body which are in clearance fit with each other, the rotor body comprises a hollow rotor base, and a rotor abrasive disc is fixedly arranged on the outer wall of the rotor base. A plurality of groups of rotor grinding sheets are distributed in a circular array around the central axis of the rotor base, and rotor grinding teeth are arranged on the outer side plate surfaces of the rotor grinding sheets; the stator body comprises a hollow stator base, stator grinding pieces are fixedly arranged on the inner wall of the stator base, a plurality of sets of stator grinding pieces are distributed around the central axis of the stator base in a circular array mode, stator grinding teeth are arranged on the inner side plate faces of the stator grinding pieces, and the stator grinding teeth are in clearance fit with the rotor grinding teeth. According to the stator and rotor structure of the large-taper refiner provided by the utility model, no gap is formed in the grinding sheet, so that the material circulation is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking equipment technical field, concretely is a kind of big taper refiner stator, rotor structure. BACKGROUND

[0002] Refiner is used to carry out depth processing equipment to liquid raw material, its main action is to cut the flocculation in liquid raw material, homogenization treatment, eliminate large volume solid, precipitate, impurity in liquid raw material by mechanical force.

[0003] At present, in order to improve the processing effect of refiner, extend the flow time of liquid raw material in grinding part, its stator, rotor is set to conical and gap fit, stator, rotor opposite face is fixed by bolt multiple groups of grinding piece. However, the conventional grinding piece installation mode, still have the following shortcomings:

[0004] Fixed by bolt, make a plurality of fixed perforations be provided on grinding piece, cause raw material to accumulate here, make the flowability of grinding piece worse, and grinding efficiency is reduced. INVENTION CONTENTS

[0005] In order to solve the technical problems in the background art, the utility model provides a kind of big taper refiner stator, rotor structure, and there is no vacancy on grinding piece, and material flowability is maintained.

[0006] The technical scheme solved by the utility model is as follows:

[0007] A kind of big taper refiner stator, rotor structure, comprising: mutually gap fit rotor body, stator body.

[0008] The rotor body includes: hollow rotor base, the outer wall of the rotor base is fixedly provided with rotor grinding piece, the rotor grinding piece is distributed with multiple groups with the center axis of rotor base circular array, and the outer side panel of rotor grinding piece is provided with rotor grinding tooth.

[0009] The stator body includes: hollow stator base, the inner wall of the stator base is fixedly provided with stator grinding piece, the stator grinding piece is distributed with multiple groups with the center axis of stator base circular array, and the inner side panel of stator grinding piece is provided with stator grinding tooth, and the stator grinding tooth is gap fit with rotor grinding tooth.

[0010] Further, the rotor base is set to hollow prism, and the hollow part of the rotor base is provided with a partition plate for fixing;

[0011] The stator base is set to hollow circular cone, and the middle part of the outer wall of the stator base is provided with a ring-shaped fixed pressing plate, the fixed pressing plate is provided with a mounting lug, and the hollow part of the stator base is set to prism.

[0012] Further, the rotor tooth is arranged as a plurality of mutually parallel straight lines protruding from the inner side surface of the rotor plate;

[0013] The stator tooth is arranged as a plurality of mutually parallel curved lines protruding from the outer side surface of the stator plate, and the curved part protrudes towards the large end of the stator base.

[0014] Further, the inclination directions of the rotor tooth and the stator tooth are the same.

[0015] Further, the outer side surface near the small end of the rotor base is provided with a concave rotor clamping groove, and the lower end surface near the corner of the rotor base is provided with a rotor screw protruding therefrom, the rotor screw is provided with a rotor gasket, the rotor gasket abuts against the end surface of the rotor plate, and a rotor nut is screwed onto the rotor screw.

[0016] The inner side surface of the rotor plate is provided with a rotor clamping lug protruding therefrom, and the rotor clamping lug is clamped with the rotor clamping groove.

[0017] Further, the rotor clamping groove comprises an outer insertion groove for inserting the rotor clamping lug, an outer containing groove extending in the outer insertion groove and clamped with the rotor clamping lug, and the contact surfaces of the outer containing groove and the rotor clamping lug are arranged as an inclined surface.

[0018] Further, the inner side surface near the small end of the stator base is provided with a concave stator clamping groove, and the lower end surface near the corner of the stator base is provided with a stator screw protruding therefrom, the stator screw is provided with a stator gasket, the stator gasket abuts against the end surface of the stator plate, and a stator nut is screwed onto the stator screw.

[0019] The outer side surface of the stator plate is provided with a stator clamping lug protruding therefrom, and the stator clamping lug is clamped with the stator clamping groove.

[0020] Further, the stator clamping groove comprises an inner insertion groove for inserting the stator clamping lug, an inner containing groove extending in the inner insertion groove and clamped with the stator clamping groove, and the contact surfaces of the inner containing groove and the stator clamping groove are arranged as an inclined surface.

[0021] The beneficial effects of the stator and rotor structure of the large taper fine pulp machine are as follows:

[0022] 1. A plurality of rotor plates arranged on the rotor base and a plurality of stator plates arranged on the stator base are provided to realize the grinding work.

[0023] 2. The rotor grinding piece and the stator grinding piece are installed by the mutually clamped rotor clamping groove, the rotor clamping lug, the mutually clamped stator clamping groove and the stator clamping lug respectively; the reliability of the rotor grinding piece and the stator grinding piece is realized by the rotor nut, the rotor gasket, the stator nut and the stator gasket respectively. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the general assembly three-dimensional schematic view provided by the utility model example;

[0025] Figure 2 It is the rotor base and the rotor grinding piece assembly schematic view provided by the utility model example;

[0026] Figure 3 It is the stator base and the stator grinding piece assembly schematic view provided by the utility model example.

[0027] In the drawing:

[0028] 10, rotor base, 11, rotor clamping groove, 12, rotor screw, 13, rotor nut, 14,

[0029] 2, rotor grinding piece, 21, rotor grinding tooth, 22, rotor clamping lug,

[0030] 30, stator base, 31, fixed pressing plate, 32, installation lifting lug, 33, stator clamping groove, 34, stator screw, 35, stator nut, 36, stator gasket,

[0031] 4, stator grinding piece, 41, stator grinding tooth, 42, stator clamping lug. DETAILED DESCRIPTION

[0032] In order to more clearly and explicitly illustrate the specific implementation purposes and implementation manners of the utility model, the technical scheme of the utility model will be described completely below, and the described embodiments are part of the embodiments of the utility model, not all the embodiments. On the premise that no creative work is made, all other embodiments based on the described embodiments of the utility model belong to the protection scope of the utility model.

[0033] The utility model discloses a large taper fine pulp machine stator and rotor structure, as shown in the drawing, including: mutually clearance fit's rotor body, stator body. Figure 1 The rotor body, as shown in the drawing, includes:

[0034] The rotor body, as shown in the drawing, includes: Figure 2

[0035] ​The hollow rotor base 10 is provided as a hollow seven-prism cone, the hollow part of the rotor base 10 is provided with a partition plate for fixation, the outer edge of the side close to the small end of the rotor base 10 is provided with a concave rotor clamping groove 11, the lower bottom end of the side close to the corner of the rotor base 10 is provided with a rotor screw 12, the rotor screw 12 is provided with a rotor gasket 14, the rotor gasket 14 is in contact with the end surface of the rotor grinding piece 2, and the rotor screw 12 is provided with a rotor nut 13; the outer wall of the rotor base 10 is fixedly provided with a rotor grinding piece 2, the rotor grinding piece 2 is provided in a circular array with seven groups along the central axis of the rotor base 10, the outer side surface of the rotor grinding piece 2 is provided with a rotor grinding tooth 21, the rotor grinding tooth 21 is provided as a plurality of mutually parallel straight lines inclined to the inner side surface of the rotor grinding piece 2, the inner side surface of the rotor grinding piece 2 is provided with a rotor clamping lug 22, and the rotor clamping lug 22 is clamped with the rotor clamping groove 11; the rotor clamping groove 11 comprises an outer insertion groove in which the rotor clamping lug 22 is inserted, and an outer containing groove extending in the outer insertion groove and clamped with the rotor clamping lug 22, and the contact surfaces of the outer containing groove and the rotor clamping lug 22 are provided in an inclined manner.

[0036] The stator body, as shown, comprises: Figure 3

[0037] The hollow stator base 30 is provided as a hollow circular cone, the middle part of the outer wall of the stator base 30 is provided with an annular fixing pressing plate 31, the fixing pressing plate 31 is provided with a mounting lug 32, the hollow part of the stator base 30 is provided as a seven-prism cone, the inner wall of the stator base 30 is fixedly provided with a stator grinding piece 4, the stator grinding piece 4 is provided in a circular array with seven groups along the central axis of the stator base 30, the inner side surface of the stator grinding piece 4 is provided with a stator grinding tooth 41, the stator grinding tooth 41 is gap-fitted with the rotor grinding tooth 21, the stator grinding tooth 41 is provided as a plurality of mutually parallel curved inclined lines protruding from the outer side surface of the stator grinding piece 4, and the curved part protrudes towards the large end of the stator base 30, the inner edge of the side close to the small end of the stator base 30 is provided with a concave stator clamping groove 33, the lower bottom end of the side close to the corner of the stator base 30 is provided with a stator screw 34, the stator screw 34 is provided with a stator gasket 36, the stator gasket 36 is in contact with the end surface of the stator grinding piece 4, and the stator screw 34 is provided with a stator nut 35; the outer side surface of the stator grinding piece 4 is provided with a stator clamping lug 42, and the stator clamping lug 42 is clamped with the stator clamping groove 33; the stator clamping groove 33 comprises an inner insertion groove in which the stator clamping lug 42 is inserted, and an inner containing groove extending in the inner insertion groove and clamped with the stator clamping groove 33, and the contact surfaces of the inner containing groove and the stator clamping groove 33 are provided in an inclined manner.

[0038] The inclination directions of the rotor grinding tooth 21 and the stator grinding tooth 41 are the same. ​

[0039] To sum up, only for the preferred embodiment of the present application, not to limit the scope of the present application, through the above description, the relevant staff can be in the range of not deviating from the technical idea of the present application, make a variety of changes and modifications. The technical scope of the present application is not limited to the content of the specification, all equivalent changes and modifications of the shape, structure, features and spirit of the present application are included in the scope of the claims of the present application.

Claims

1. A large cone refiner stator, rotor configuration comprising: The rotor body and the stator body are in clearance fit with each other, characterized in that: The rotor body comprises: The hollow rotor base (10) is provided with the rotor abrasive sheet (2) on the outer wall of the rotor base (10), and the rotor abrasive sheet (2) is arranged in a circular array around the central axis of the rotor base (10) and is provided with a plurality of groups of the rotor abrasive sheet (2), and the outer side surface of the rotor abrasive sheet (2) is provided with the rotor abrasive tooth (21); The stator body comprises: The hollow stator base (30) is provided with the stator abrasive sheet (4) on the inner wall of the stator base (30), and the stator abrasive sheet (4) is arranged in a circular array around the central axis of the stator base (30) and is provided with a plurality of groups of the stator abrasive sheet (4), and the inner side surface of the stator abrasive sheet (4) is provided with the stator abrasive tooth (41), and the stator abrasive tooth (41) is in clearance fit with the rotor abrasive tooth (21).

2. The stator and rotor structure of the large taper refiner according to claim 1, characterized in that: The rotor base (10) is provided in a hollow prism shape, and the hollow part of the rotor base (10) is provided with a partition plate for fixation; The stator base (30) is provided in a hollow circular truncated cone shape, and the middle part of the outer wall of the stator base (30) is provided with a ring-shaped fixed pressing plate (31), and the fixed pressing plate (31) is provided with a mounting lug (32), and the hollow part of the stator base (30) is provided in a prism shape.

3. The stator and rotor structure of the large taper refiner according to claim 2, characterized in that: The rotor abrasive tooth (21) is provided in a plurality of straight lines that are parallel to each other and are inclined to the inner side surface of the rotor abrasive sheet (2); The stator abrasive tooth (41) is provided in a plurality of curved lines that are parallel to each other and are inclined to the outer side surface of the stator abrasive sheet (4), and the curved part is inclined to the large end of the stator base (30).

4. The stator and rotor structure of the large taper refiner according to claim 3, characterized in that: The inclination directions of the rotor abrasive tooth (21) and the stator abrasive tooth (41) are the same.

5. The stator and rotor structure of the large taper refiner according to claim 3, characterized in that: The outer side surface of the rotor base (10) near the small end is provided with an inner recessed rotor clamping groove (11), and the lower bottom end surface of the rotor base (10) near the corner is provided with a rotor screw rod (12), the rotor screw rod (12) is provided with a rotor gasket (14), the rotor gasket (14) is in abutment with the end surface of the rotor abrasive sheet (2), and the rotor screw rod (12) is provided with a rotor nut (13) in screw connection; The inner side surface of the rotor abrasive sheet (2) is provided with a rotor clamping lug (22), and the rotor clamping lug (22) is in clamping connection with the rotor clamping groove (11).

6. The stator and rotor structure of the large taper refiner according to claim 5, characterized in that: The rotor clamping groove (11) comprises an outer insertion groove in which the rotor clamping lug (22) is inserted, and an outer containing groove in the outer insertion groove and in clamping connection with the rotor clamping lug (22), and the contact surfaces of the outer containing groove and the rotor clamping lug (22) are provided in an inclined shape.

7. The large taper refiner stator, rotor structure according to claim 3, characterized in that: The inner edge surface near the small end of the stator base (30) is provided with a concave stator clamping groove (33), and the lower bottom end surface near the corner of the stator base (30) is provided with a protruding stator screw (34), the stator screw (34) is provided with a stator gasket (36), the stator gasket (36) is in abutment with the end surface of the stator grinding plate (4), and the stator screw (34) is provided with a stator nut (35) screwed thereon; The outer side surface of the stator grinding plate (4) is provided with a protruding stator clamping lug (42), and the stator clamping lug (42) is in clamping connection with the stator clamping groove (33).

8. The large taper refiner stator, rotor structure according to claim 7, characterized in that: The stator clamping groove (33) comprises an inner insertion groove for inserting the stator clamping lug (42), and an inner content groove extending in the inner insertion groove and in clamping connection with the stator clamping groove (33), and the contact surfaces of the inner content groove and the stator clamping groove (33) are provided in an inclined manner.

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