CN2637538Y

CN2637538Y - Paper pulp screening net

Info

Publication number: CN2637538Y
Application number: CN 03263376
Authority: CN
Inventors: 陈肇和
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-06-05
Filing date: 2003-06-05
Publication date: 2004-09-01
Anticipated expiration: 2013-06-05

Abstract

A pulp filter net comprises a top frame ring, a plurality of layers positioning rings, a plurality of filter strips and a bottom frame ring, the top frame ring is positioned on the top of the pulp filter net; the bottom frame ring is positioned at the bottom of the pulp filter net; the positioning rings are arranged between the top and the bottom frame rings with same alternation, and provided with a top surface, a bottom surface opposite to the top surface, an inner radius diameter, an outer radius diameter, and a plurality of concave grooves arranged in inner radius surface with same alternation and penetrating the top and the bottom surfaces, the concave groove is provided with a narrow port and a wide radius part extended and expanded from the narrow port inward; the filter strips are respectively provided with a head part, and a root part reduces the thickness from one bottom of the head part and is in series connected with the positioning ring, and is filled in the concave groove. The utility model has the advantages of good effect and stable positioning effect when being churned up with a heavy load.

Description

The pulp screen network selection

[technical field]

The utility model relates to a kind of pulp screen network selection, particularly relates to a kind ofly having heavy duty mixing effect, and the good pulp screen network selection of locating effect.

[background technology]

Because general pulp screen network selection, be No. nine novel patent cases of TaiWan, China patent the 79210 the May 4th, it is slower to have the manufacturing process velocity, can lower production output, and the abrasion of cutter are fast ... disappearance such as all just has the generation of the 9022 sixteen 0 No. nine novel patent case of Taiwan patent.

As shown in Figure 1, 2, pulp screen network selection 1 in the past comprises a screen cloth 10, several positioning ribs 20, and number sieve bar 30.

This screen cloth 10 has a body 11, majority and is rectangle perforation 12, two 12 of the perforation that the array shape is arranged on this body 11 and all is formed with one horizontal ribbed 13 and one vertical floor 14.

These positioning ribs 20 have a body 21 that cooperates these horizontal ribbed 13 length, most uniformly-spaced parallel and be to tilt and run through the groove 22 of an inner face 211 that is formed at this body 21 with these body 21 sidelines.

These gratings 30 have a head 31, to be dwindled thickness downwards from the bottom of this head 31 and crosses over several positioning ribs 20 and fill in the root 32 of this groove 22 for plug.

As shown in Figure 1, 2, when making assembling, this screen cloth 10 is with punch forming most perforation 12 to be arranged, and these positioning ribs 20 are to have parallel and be inclined notches formed 22 in inner face 211 millings with cutter, then this positioning rib 20 successively is fixed in regular turn this screen cloth 10 horizontal ribbed 13 on, at this moment, the groove 22 of each layer positioning rib 20 can be connected the chases that form tool inclination five degree, again with discharge welding mode respectively the root 32 of this grating 30 clamp-on and be fused to the groove 22 of this positioning rib 20, this screening net 1 that will launch at last is wound into tubular, and welds fixing getting final product.At this moment, just can be spaced generally to be scale type on this screen cloth 10, form most the screen holes orders 15 that tilt and have constant spacing, so that the paper pulp that filters out the anchoring fiber size to be provided by these gratings 30 of laying at interval.

The design of pulp screen network selection 1 in the past, compared to generally speaking, it is fast to reach the manufacturing process velocity, improving production output, and compared to the general milling action that needs to do repeatedly, except having processing fast, more can delay the abrasion life-span of cutter, and need not again welding in addition as the frame ring, so, have more advantage with low cost.

Yet, though pulp screen network selection 1 had the effect and the advantage of above many general pulp screen network selections in the past, but, after it repeatedly uses, but find to have a little disappearance, be this pulp screen network selection 1 when stirring the less paper pulp of screening particle, it is still out of question that power is stirred in underloaded operation, still, and when pulp screen network selection 1 stirs the paper pulp of screening particle big (as recycled writing paper .. etc.), under heavy duty operation stirring, as shown in Figure 3, the root 32 of this grating 30 is closely implanted the design of groove 22, can take place to stir because of heavy duty, rotation is stirred down for a long time, along with mixing direction (shown in the direction of arrow R), the root 32 of this grating 30 can be taken out of by the paper pulp towing a little, causes the hole order distortion of sieve aperture, so reality has necessity of improvement.

[utility model content]

The purpose of this utility model be to relate to a kind of when having the heavy duty of carrying out and stirring effect good, and the good pulp screen network selection of locating effect.

In order to achieve the above object, the utility model provides a kind of pulp screen network selection, includes a upper ledge ring, several layers of locating ring, several gratings and a lower frame ring, it is characterized in that:

This upper ledge ring is positioned at the top of this pulp screen network selection;

This lower frame ring is positioned at the bottom of this pulp screen network selection;

This each layer locating ring is and uniformly-spaced is placed in this upper and lower frame interannular, and has a diametric plane outside an end face, a bottom surface in contrast to this end face, the aperture surface,, and most grooves that uniformly-spaced are arranged in this aperture surface and run through this top, bottom surface, this groove has the wide diameter part that a pass and extends internally from this pass and enlarges;

This grating has a head, to be dwindled thickness downwards from a bottom of this head and is connected in series this locating ring, and plug fills in the root of this groove.

Described pulp screen network selection, it is characterized in that: the pass of this groove is on the cell wall that is positioned near direction of rotation, the root of this grating has a undergauge position of filling in this pass relatively, and one stretches out from this undergauge position and is placed into the loose position of this wide diameter part.

Described pulp screen network selection is characterized in that: the pass of this groove is to be positioned on corresponding two cell walls, and this groove also has one from the narrow road portion that this wide diameter part extends internally, and this root is outward extended with a fine stern end with respect to this narrow road portion from this hypertrophy position.

Via above-mentioned explanation, pulp screen network selection of the present utility model, implant the groove of these locating rings by the root of these gratings, this pass and this wide diameter part can firmly be combined as a whole with respect to this undergauge position and this hypertrophy position, and form barb-like combination design, or utilize two cell walls all to have the firmly chimeric of pass and relative loose position, not only locating effect is good, and the root that rotates for a long time and carry out heavy duty this grating when stirring is difficult drop-off also, therefore, have more and increase the service life, and this screen holes order is protected accurate and distortionless effect and advantage forever.

[description of drawings]

Below by most preferred embodiment and accompanying drawing pulp screen volume net of the present utility model is elaborated, in the accompanying drawing:

Fig. 1 is a three-dimensional combination figure, and a pulp screen network selection in the past is described.

Fig. 2 is that pulp screen was rolled up a combination section of netting in the past.

Fig. 3 is that pulp screen was rolled up a part section enlarged drawing of netting in the past, and the state that a grating is deviate from is described.

Fig. 4 is a combination stereogram, and first preferred embodiment of pulp screen network selection of the present utility model is described.

Fig. 5 is a three-dimensional exploded view of this first preferred embodiment.

Fig. 6 is a profile of this first preferred embodiment.

Fig. 7 is a part section enlarged drawing, illustrates that a grating is combined in the state of a locating ring.

Fig. 8 is a similar profile in Fig. 7, and second preferred embodiment of pulp screen network selection of the present utility model is described.

[specific embodiment]

Shown in Fig. 4,5, first preferred embodiment of pulp screen network selection 2 of the present utility model includes a upper ledge ring 40, number locating ring 50, number sieve bar 60 and a lower frame ring 70.

This upper ledge ring 40 is positioned at the top of this pulp screen network selection 2.

This lower frame ring 70 is positioned at the bottom of this pulp screen network selection 2.

Shown in Fig. 5,6,7, each layer locating ring 50 is and uniformly-spaced is placed in 40,70 on this upper and lower frame ring, and has a diametric plane 54 outside an end face 51, a bottom surface 52 in contrast to this end face 51, the aperture surface 53,, and most grooves 55 that equidistantly are arranged in this aperture surface 53 and run through this top,

bottom surface

51,52, this groove 55 has the wide diameter part 552 that a pass 551 and extends internally from this pass 551 and enlarges.And this pass 551 is on the cell wall 553 that is positioned near direction of rotation.

Shown in Fig. 6,7, these gratings 60 have a head 61, to be dwindled thickness downwards from a bottom 611 of this head 61 and is connected in series each locating ring 50, and for filling in the root 62 that fills in this groove 55, this root 62 has a undergauge position 621 of filling in this pass 551 relatively, and one stretches out from this undergauge position 621 and for the loose position 622 that is placed into this wide diameter part 552.

Shown in Fig. 4,5, when making assembling, each layer locating ring 50 is successively to be positioned at (figure does not show) on the tool, shown in Fig. 6,7, again with discharge welding mode respectively the root 62 of this grating 60 implant and be fused to the groove 55 of this locating ring 50, at this moment, this pass 551 firmly is combined as a whole with these wide diameter part 552 relative these

undergauge positions

621 and 622 at this hypertrophy position, at last, this upper and

lower frame ring

40,70 of burn-oning in these the superiors and undermost locating ring 50 tops, bottom respectively gets final product.At this moment, 50 these gratings 60 of not only laying by the interval of every layer of locating ring are generally to be the scale type spacing arrangement, and the composition majority is individual and have screen holes order 3 (see figure 4)s of constant spacing, so that the paper pulp that filters out the anchoring fiber size to be provided.And cooperate this pass 551 and wide diameter part 552 to be positioned at cell wall 553 near direction of rotation (shown in arrow R), and the subsides closely that form barb are touched, therefore, carry out the action of heavy duty agitating pulp, and pulp screen network selection 2 is during along the direction of rotation agitating pulp, the design that the root 62 of this grating 60 combines with these groove 55 firm barbs, naturally form a security protection of combining closely, can bear light, heavy duty stirring action, not only locating effect is good, and difficult drop-off.

As shown in Figure 8, second preferred embodiment of pulp screen network selection of the present utility model, it is different from first embodiment and is:

This locating ring 50 ' its groove 55 ' pass 551 ' be positioned at corresponding two cell walls 553 ', 554 ' on, this groove 55 ' have more one from the narrow road portion 555 of this wide diameter part 552 ' extend internally ', this grating 60 ' its root 62 ' certainly should hypertrophy position 622 ' be outward extended with one with respect to this narrow road portion 555 ' fine stern end 623 '.Utilization be positioned at two cell walls 553 ', 554 ' with the build-in of corresponding loose position 622 ' mutually, form the device of firm combination, and can reach effect same as the previously described embodiments.

What deserves to be mentioned is these locating ring 50 aperture surfaces 53 of the utility model, 55 spacings of groove in twos that it is parallel to each other, the paper pulp fiber of visual demand and change its distance, make the paper pulp that filters out different fiber size, it is same as the previously described embodiments that it makes assembling mode, no longer adds narration.

In addition, at the foregoing description, because these gratings 60 are the states that are vertical friendship knot with the mounting means of each layer locating ring 50, therefore screen holes order 3 forms vertical hole order naturally, certainly, if cooperate direction of rotation, also can change this groove 55 and be arranged at locating ring 50 angles, make these gratings 60 and each layer locating ring 50 after installation, can form skewed screen holes order, make breakneck acceleration faster better with the running that cooperates direction of rotation.

Via above-mentioned explanation, pulp screen network selection 2 of the present utility model, implant the groove 55 of these locating rings 50 by the root 62 of these gratings 60, this pass 551 and this wide diameter part 552 can firmly be combined as a whole with this hypertrophy position 622 with respect to this undergauge position 621, and form barb-like combination design, or utilize two cell walls 553 ', 554 ' all have pass 551 ' with relative loose position 622 ' firmly chimeric, not only locating effect is good, and long-time rotation, and also difficult drop-off is stirred in heavy duty, therefore, have more and increase the service life, and this screen holes order 3 is protected accurate and distortionless effect and advantage forever.

Claims

1. a pulp screen network selection includes a upper ledge ring, several layers of locating ring, several gratings and a lower frame ring, it is characterized in that:

2. according to the described pulp screen network selection of claim 1, it is characterized in that: the pass of this groove is on the cell wall that is positioned near direction of rotation, the root of this grating has a undergauge position of filling in this pass relatively, and one stretches out from this undergauge position and is placed into the loose position of this wide diameter part.

3. according to claim 1 or 2 described pulp screen network selections, it is characterized in that: the pass of this groove is to be positioned on corresponding two cell walls, this groove also has one from the narrow road portion that this wide diameter part extends internally, and this root is outward extended with a fine stern end with respect to this narrow road portion from this hypertrophy position.