CN211307494U

CN211307494U - Four-roll press roll assembly

Info

Publication number: CN211307494U
Application number: CN201921603665.6U
Authority: CN
Inventors: 张瑞林
Original assignee: JIANGSU GUANGHE KEFA ELECTROMECHANICAL MANUFACTURING CO LTD
Current assignee: JIANGSU GUANGHE KEFA ELECTROMECHANICAL MANUFACTURING CO LTD
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-08-21
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a four-roll squeezer pressing roll assembly, which comprises a pressing roll, a feeding roll, a discharging roll and an auxiliary feeding roll, wherein the pressing roll is arranged along the feeding direction of the feeding roll, the pressing roll is positioned above the rear part of the feeding roll, the discharging roll is arranged along the discharging direction of the pressing roll and is positioned below the rear part of the pressing roll, the auxiliary feeding roll is positioned in the front part of the pressing roll and above the feeding roll, the pressing roll, the feeding roll and the discharging roll are provided with roll shafts and roll surfaces, the roll shafts are made of alloy steel, the roll surfaces of the pressing roll and the feeding roll are continuous stainless steel tooth surfaces, the roll surfaces of the discharging roll are discontinuous stainless steel tooth surfaces, the discontinuous parts between the adjacent tooth surfaces are connected through a discharging groove, the discharging roll and the pressing roll are provided with a material taking-off tooth groove group consistent with the rotating direction of the roll shafts, the material taking-off tooth groove group is composed of a plurality of material taking off tooth grooves, the plurality of material tooth grooves are, the surface of the press roll is provided with a plurality of press convex ridges. The utility model discloses a squeeze roller subassembly bulk strength is high, and the wearability is good, and maintainability is good, very big improvement the life of squeezer roller.

Description

Four-roll press roll assembly

Technical Field

The utility model relates to a squeezer, concretely relates to four roller squeezer press roll subassembly.

Background

The existing squeezer roller shaft is made of common carbon steel materials, the roller surface is coated by common cast stainless steel, casting defects such as sand holes, air holes and the like exist on the surface of the cast roller surface after turning, and in a humid working environment with corrosiveness, the squeezer roller shaft rotates under variable load, so that the roller surface is poor in wear resistance and serious in wear, even the tooth part of the roller surface is broken, the service cycle is short, and the squeezer roller shaft is not easy to maintain. The existing roller surface has no material scraping tooth grooves, and when materials are squeezed, the materials are difficult to convey and easy to block, so that the tooth surface is broken due to overlarge local pressure.

SUMMERY OF THE UTILITY MODEL

Poor for solving current squeezer roller wear resistance, the serious problem of roll surface wearing and tearing, the utility model provides a four-roll squeezer squeeze roller subassembly that intensity is high, the wearability is good.

The utility model provides a following technical scheme:

the four-roll squeezer pressing roll assembly comprises a pressing roll, a feed roll, a discharge roll and an auxiliary feed roll, wherein the pressing roll is arranged along the feeding direction of the feed roll, the pressing roll is positioned above the rear part of the feed roll, the discharge roll is arranged along the discharging direction of the pressing roll, the discharge roll is positioned below the rear part of the pressing roll, the auxiliary feed roll is positioned in the front part of the pressing roll and above the feed roll, the pressing roll, the feed roll and the discharge roll are provided with roll shafts and roll surfaces, the roll shafts are made of alloy steel, the roll surfaces of the pressing roll and the feed roll are continuous stainless steel tooth surfaces, the roll surface of the discharge roll is an intermittent stainless steel tooth surface, the intermittent parts between the adjacent tooth surfaces are connected through a discharge groove, the discharge roll and the pressing roll are provided with a raking tooth groove group consistent with the rotating direction of the roll shafts, and the raking tooth groove group consists of a plurality of raking tooth grooves, the plurality of material raking tooth grooves are continuously arranged and distributed on the surface of the roller in a curve manner.

Furthermore, the shape of the material raking tooth groove is V-shaped.

Further, the roller shaft of the auxiliary feeding roller is made of alloy steel, and the roller surface of the auxiliary feeding roller is made of continuous stainless steel tooth surfaces.

Furthermore, the tooth surface of each roller is coated by a stainless steel sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the roll shafts of the press roll, the feed roll, the discharge roll and the auxiliary feed roll are made of high-quality alloy steel, so that the strength of the roll shaft body can be improved.

2. The tooth surface of each roller is coated by a forged wear-resistant stainless steel sleeve, so that sand holes or air holes in the stainless steel sleeve are eliminated, and the strength and the wear resistance of the roller surface are improved.

3. The roll surfaces of the press roll and the discharge roll are respectively provided with a material scraping tooth groove consistent with the rotation direction of the roll shaft, so that materials can be conveyed continuously and uniformly.

The utility model discloses a squeeze roller subassembly bulk strength is high, and the wearability is good, and maintainability is good, very big improvement the life of squeezer roller.

Drawings

Fig. 1 is a plan view of three rollers of the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a schematic structural view of four rollers of the present invention.

Fig. 4 is a schematic structural view of the auxiliary feed roller in fig. 3.

Fig. 5 is an enlarged schematic view of fig. 1 at B.

In the figure: 1. a press roll 2 and a feed roll; 3. a discharge roller; 4. a roll shaft; 5. rolling surface; 6. a continuous stainless steel tooth surface; 7. the device comprises a discontinuous stainless steel tooth surface 8, a discharge groove 9, a material scraping tooth groove 10, a pressing convex edge 11 and an auxiliary feeding roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in figures 1, 2, 3 and 5, the press roll assembly of the four-roll squeezer comprises a press roll 1, a feed roll 2, a discharge roll 3 and an auxiliary feed roll 11, wherein the press roll 1 is arranged along the feeding direction of the feed roll 2, the press roll 1 is positioned above the rear part of the feed roll 2, the discharge roll 3 is arranged along the discharging direction of the press roll 1, the discharge roll 3 is positioned below the rear part of the press roll 1, the auxiliary feed roll 11 is positioned in front of the press roll 1 and above the feed roll 2, the press roll 1, the feed roll 2 and the discharge roll 3 are provided with roll shafts 4 and roll surfaces 5, the roll shafts 4 are made of alloy steel, the roll surfaces of the press roll 1 and the feed roll 2 are continuous stainless steel tooth surfaces 6, as shown in figure 5, the roll surface of the discharge roll 3 is an intermittent stainless steel tooth surface 7, the intermittent parts between adjacent tooth surfaces are connected through a discharge chute 8, and the discharge roll 3 and the press roll 1 are provided with a discharge chute group which is consistent with the rotating direction of the roll shafts, the material raking tooth socket group consists of a plurality of material raking tooth sockets 9, the plurality of material raking tooth sockets 9 are continuously arranged and distributed on the roll surface 5 in a curve manner, and a plurality of pressing convex ridges 10 are arranged on the roll surface of the pressing roll 1.

The material scraping tooth grooves 9 are V-shaped. The material raking tooth grooves 9 are formed in the pressing roller 1, pressing can be conducted after feeding, pressing force is increased along with rotation of the roller surface, the V-shaped tooth grooves are beneficial to continuous and uniform material conveying, the pressing of materials is facilitated, the crushed materials are further raked through the discharge roller 3 from the lower edge of the V-shaped opening, and discharging is smooth.

As shown in fig. 4, alloy steel is also used for the roller shaft of the auxiliary feed roller 11, and the continuous stainless steel tooth surface 6 is used for the roller surface of the auxiliary feed roller 11.

The roll shafts of the press roll 1, the feed roll 2, the discharge roll 3 and the auxiliary feed roll 11 are made of high-quality alloy steel, so that the strength of the roll shaft body can be improved.

The tooth surface of each roller is coated by a forged wear-resistant stainless steel sleeve, so that sand holes or air holes in the stainless steel sleeve are eliminated, and the strength and the wear resistance of the roller surface are improved.

The roll surfaces of the press roll 3 and the discharge roll 1 are both provided with material scraping tooth grooves 9 consistent with the rotation direction of the roll shaft, so that materials can be conveyed continuously and uniformly.

The utility model discloses squeeze roll subassembly's theory of operation: the material is fed from the feed roll 2, the feed roll 2 continuously rotates, the roll surface of the feed roll 2 is a continuous stainless steel tooth surface 6, the material is straightened out when the material is fed, the auxiliary feed roll 11 can be added to rotate to assist feeding, the feeding speed is accelerated, the material is not accumulated, the feed inlet is not blocked, the material enters the squeeze roll 1 to be squeezed, the continuous stainless steel tooth surface 6 is also arranged on the squeeze roll 1, the material is straightened out while squeezing, the material is not blocked, meanwhile, a material scraping tooth groove group consistent with the rotation direction of the roll shaft is arranged on the squeeze roll 1, the material is conveyed continuously and uniformly, the material is favorably discharged after squeezing, the roll surface of the discharge roll 1 is provided with a material scraping tooth groove 9 consistent with the rotation direction of the roll shaft, the discharging is uniform and faster, the roll surface is not easy to wear, and the strength is high.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Four roll press roll assembly characterized by: comprises a press roll (1), a feed roll (2), a discharge roll (3) and an auxiliary feed roll (11), wherein the press roll (1) is arranged along the feeding direction of the feed roll (2), the press roll (1) is positioned above the rear part of the feed roll (2), the discharge roll (3) is arranged along the discharging direction of the press roll (1), the discharge roll (3) is positioned below the rear part of the press roll (1), the auxiliary feed roll (11) is positioned in the front part of the press roll (1) and above the feed roll (2), the press roll (1), the feed roll (2) and the discharge roll (3) are provided with a roll shaft (4) and a roll surface (5), the roll shaft (4) is made of alloy steel, the roll surfaces of the press roll (1) and the feed roll (2) are continuous stainless steel tooth surfaces (6), and the roll surface of the discharge roll (3) is discontinuous stainless steel (7), the intermittent parts between the adjacent tooth surfaces are connected through a discharge groove (8), the discharge roller (3) and the press roller (1) are provided with a material raking tooth groove group consistent with the rotation direction of a roller shaft, the material raking tooth groove group is composed of a plurality of material raking tooth grooves (9), the plurality of material raking tooth grooves (9) are continuously arranged and distributed on the roller surface (5) in a curve manner, and the roller surface of the press roller (1) is provided with a plurality of press convex ridges (10).

2. The four roll press roll assembly of claim 1, wherein: the material scraping tooth grooves (9) are V-shaped.

3. The four roll press roll assembly of claim 1, wherein: the roll shaft of the auxiliary feeding roll (11) is made of alloy steel, and the roll surface of the auxiliary feeding roll (11) is made of continuous stainless steel tooth surfaces (6).

4. The four roll press roll assembly of claim 1, wherein: the tooth surface of each roller is coated by a stainless steel sleeve.