CN214354377U - Squeezing roller based on pulp processing of textile raw materials - Google Patents

Abstract

The utility model discloses a squeeze roller based on processing of textile raw material thick liquid pool, include: a mandrel; the grating barrel frame is fixed with the mandrel through the clapboard assembly; the screen plate is welded into a closed cylinder after being wound, the closed cylinder is sleeved outside the grid barrel frame after being heated and expanded, and is tightly matched with the grid barrel frame after being cooled and contracted to form a squeezing roller; when the textile raw material pulp with water passes between the two squeezing rollers, the extruded water can pass through the filtering holes of the screen plate and the grid bucket frame and is output from the two ends of the clapboard assembly. The grid barrel frame is composed of a plurality of circular ring pieces, a filtering gap is reserved between every two adjacent circular ring pieces, and the plurality of circular ring pieces are fixed with the partition plate assembly. Each circular ring piece is formed by welding a plurality of sections of circular arc pieces. The utility model has the advantages of reasonable structure, low cost, light weight, convenient processing, long service life, high pressure bearing capacity and no blockage of the filter holes.

Description

Squeezing roller based on pulp processing of textile raw materials

Technical Field

The utility model relates to a squeezing roller for processing of textile raw material pulp.

Background

The squeezing roller can squeeze and filter water during pulp processing based on textile raw materials, and the working principle is as follows: and extruding by two squeezing rollers, allowing the textile pulp to pass between the two squeezing rollers, squeezing under high pressure, squeezing water out of the textile pulp, and allowing the water to flow out of the two squeezing rollers. The conventional press roll, as shown in fig. 4, includes: a mandrel 4; a barrel frame 21 fixed to the mandrel 4 via a bracket; the barrel frame 21 is processed by taking a circular ring body as a raw material, a plurality of circular ring cavities 22 are formed in the outer circumference of the circular ring body, then the circular ring cavities 22 are drilled with rough filtering holes 23 by using drill bits, and finally the barrel frame 21 is wrapped by the screen plate 1; filter holes in the screen plate 1 are processed by electric spark, burrs and the like are difficult to avoid, electric spark meshes are burnt through at a high temperature of more than 1000 ℃, the strength of a stainless steel plate is burnt out while the holes are burnt, small cracks are easy to generate between the holes, and the screen plate 1 is easy to crack under the extrusion of high pressure; besides, part of the textile raw material pulp is very easy to deposit in the annular cavity 22 and block the coarse filter holes 23, and the prior art press roll has the following defects: the cartridge holder 21 is very bulky; the coarse filter holes 23 are easily blocked; the net plate 1 is easy to crack; the whole cost is high, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough according to the above, provide a squeeze roller based on textile raw materials thick liquid poise processing, can solve the technical problem that prior art exists.

The technical scheme of the utility model is that:

a press roll for pulp processing based on textile raw materials, comprising:

a mandrel;

the grating barrel frame is fixed with the mandrel through the clapboard assembly;

the screen plate is welded into a closed cylinder after being wound, the closed cylinder is sleeved outside the grid barrel frame after being heated and expanded, and is tightly matched with the grid barrel frame after being cooled and contracted to form a squeezing roller;

when the textile raw material pulp with water passes between the two squeezing rollers, the extruded water can pass through the filtering holes of the screen plate and the grid bucket frame and is output from the two ends of the clapboard assembly.

The utility model discloses a barrel holder has the difference that is showing with prior art's monolithic structure, owing to adopted the grid bucket rack, the utility model discloses a grid bucket rack can not block up.

Preferably, the grid barrel frame is composed of a plurality of annular sheets, a filtering gap is reserved between every two adjacent annular sheets, and the annular sheets are fixed with the partition plate assembly.

Since the filter gap is very open with respect to the filter openings, the filter gap is not blocked.

In order to improve the utilization rate of materials, each circular ring piece is formed by welding a plurality of sections of circular arc pieces.

The baffle assembly comprises polylith baffle and polylith guard plate, the interior limit of baffle with the dabber fixed, the outside is used for fixing the multi-disc ring piece, the guard plate, its shape is close the U style of calligraphy, U style of calligraphy bottom surface with the dabber fixed, U style of calligraphy both sides are fixed with two adjacent baffles. The U-shaped protection plate can further improve the mechanical strength.

The structure is easy to process, saves materials and has enough strength.

Preferably, the screen plate is a stainless steel plate with the filtering holes punched.

The utility model has the advantages of reasonable structure, low cost, light weight, convenient processing, long service life, high pressure bearing capacity and no blockage of the filter holes.

Drawings

Fig. 1 is a schematic structural view of the matched screen plate of the utility model provided with step filtering holes.

Fig. 2 is a schematic structural view of the matched screen plate of the utility model provided with conical filtering holes.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is a schematic diagram of the overall structure of the prior art.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings:

example (b): as shown in fig. 3, a press roll based on pulp processing of textile raw material comprises:

a mandrel 4;

the grating barrel frame is fixed with the mandrel 4 through the clapboard assembly;

the screen plate is welded into a closed cylinder after being wound, the closed cylinder is sleeved outside the grid barrel frame after being heated and expanded, and is tightly matched with the grid barrel frame after being cooled and contracted to form a squeezing roller; closing the cartridge refers to sealing the weld site.

When the textile raw material pulp with water passes between the two squeezing rollers, the extruded water can pass through the filtering holes 11 and the grid bucket frame and is output from the two ends of the clapboard assembly.

Furthermore, the grid barrel frame is composed of a plurality of circular ring pieces 2, a filtering gap is reserved between every two adjacent circular ring pieces 2, and the plurality of circular ring pieces 2 are fixed with the partition plate assembly and can be welded and fixed.

Furthermore, each circular ring piece 2 is formed by welding a plurality of sections of circular arc pieces.

The baffle assembly comprises polylith baffle 31 and polylith guard plate, the interior limit of baffle 31 with dabber 4 fixed, the outside is used for fixing multi-disc ring piece 2, guard plate 32, its shape is close the U style of calligraphy, U style of calligraphy bottom surface with dabber 4 fixed, U style of calligraphy both sides are fixed with two adjacent baffles 31, can welded fastening.

The screen plate is made of a stainless steel plate, the filter holes 11 are punched on the stainless steel plate and can be processed by a drill, and the pore size of the same hole is kept consistent.

As an expanded scheme, the mesh plate can be processed according to the following scheme:

a plurality of filtering holes 11 are formed in the metal substrate 1, and the diameter of the front sides of the filtering holes 11 of the metal substrate 1 is smaller than that of the back sides of the filtering holes 11 of the metal substrate 1.

Further, the filtering hole 11 is provided with at least one step, as shown in fig. 1.

Further, the filtering holes 11 are tapered (as shown in fig. 2), a combination of a small cylinder and a large cylinder, or a combination of a cylinder and a taper.

When the screen plate is used as a processing press roll, the front surface of the metal substrate 1 with the filtering holes 11 is the outer surface, and the back surface of the metal substrate 1 with the filtering holes 11 is the inner surface.

A method for processing a press roll based on pulp processing of textile raw materials comprises the following steps:

s1, punching a plurality of holes on the metal substrate 1 by a drill bit twice, punching the holes by a large-diameter drill bit without punching the metal substrate 1, then continuously punching the holes by a small-diameter drill bit at the same hole position to form filtering holes, forming the metal substrate 1 into a screen plate, winding the screen plate into a cylinder shape, welding the seam to form a closed cylinder, and enabling the filtering holes with large diameters to face outwards;

s2, processing the metal plate into circular arc sheets, and welding a plurality of circular arc sheets to form a circular ring sheet 2;

s3, welding a plurality of partition plates 31 on the mandrel 4, welding a plurality of U-shaped protection plates 32 between the partition plates 31 and the mandrel 4, and welding a plurality of circular sheets 2 in parallel outside the partition plates 31 to form a grid plate cylinder;

s4, heating the closed cylinder, sleeving the closed cylinder outside the grid plate cylinder after thermal expansion, cooling and contracting, and tightly matching the closed cylinder with the grid plate cylinder to form the squeezing roller, wherein the fixing method in the step S4 is superior to screw fixing and welding fixing.

Preferably, in step S1, the metal substrate 1 is made of a stainless steel plate, a plurality of holes are punched twice and processed by a numerical control drilling machine, and the ring piece 2, the baffle plate assembly and the mandrel 4 are made of stainless steel materials.

Claims (5)

1. A squeezing roller based on pulp processing of textile raw materials is characterized by comprising:

a mandrel (4);

the grating barrel frame is fixed with the mandrel (4) through the clapboard assembly;

the screen plate is welded into a closed cylinder after being wound, and the closed cylinder is tightly sleeved outside the grid barrel frame to form a squeezing roller;

when the textile raw material pulp with water passes between the two squeezing rollers, the extruded water can pass through the filtering holes (11) of the screen plate and the grid bucket rack and is output from the two ends of the clapboard assembly.

2. A press roll based on the pulping of textile raw materials according to claim 1, characterized in that the grid frame consists of a plurality of ring segments (2), a filtering gap is left between two adjacent ring segments (2), and the plurality of ring segments (2) are fixed with the clapboard assembly.

3. A press roll for the pulp processing of textile raw materials according to claim 2, characterized in that each ring segment (2) is formed by welding a plurality of circular segments.

4. A press roll for the pulp processing of textile raw materials according to claim 2, characterized in that the partition plate assembly comprises a plurality of partition plates (31) and a plurality of protection plates, the inner edge of each partition plate (31) is fixed to the mandrel (4), the outer edge of each partition plate is used for fixing the plurality of ring plates (2), the protection plates (32) are approximately U-shaped, the bottom surface of the U-shape is fixed to the mandrel (4), and the two sides of the U-shape are fixed to two adjacent partition plates (31).

5. A press roll for the pulp processing of textile materials according to any of claims 1-4, characterized in that the screen is a stainless steel plate with said filter holes (11).

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