CN214515979U - Novel screen mesh - Google Patents
Novel screen mesh Download PDFInfo
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- CN214515979U CN214515979U CN202022839383.5U CN202022839383U CN214515979U CN 214515979 U CN214515979 U CN 214515979U CN 202022839383 U CN202022839383 U CN 202022839383U CN 214515979 U CN214515979 U CN 214515979U
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- fixed frame
- sieve plate
- plate net
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Abstract
The utility model relates to the technical field of screening, and provides a novel screen, which comprises a fixed frame; the elastic sieve plate net is arranged on the fixed frame; and the stretching connecting piece is connected with the fixed frame and the elastic sieve plate net and is used for stretching the elastic sieve plate net and then arranging the elastic sieve plate net on the fixed frame. Through above-mentioned technical scheme, solved the problem that object granule presss from both sides the stopper easily among the correlation technique.
Description
Technical Field
The utility model relates to a screening technical field, it is specific, relate to a novel screen cloth.
Background
At present, the manufacturing process of elastic sieve plate nets applied to vibrating sieving machines (including linear vibrating sieves and isopachous sieves, namely banana sieves) is mainly divided into three types: 1. welding the stainless steel slotted screen plate and the metal frame into an integrated screen plate; 2. the stainless steel strip seam sieve sheet and the metal frame are welded with the polyurethane frame integrated sieve plate; 3. the metal frame, the polyurethane sieve plate and the outer frame polyurethane are integrally cast to form the integrated sieve plate. The technical defects and shortcomings are as follows: 1. the aperture ratio is low, and the grading and screening efficiency is low; 2. the integrally designed traditional sieve plate is scrapped integrally after being applied, cannot be recycled, is difficult to separate and recycle, and is not beneficial to environmental protection, energy conservation, emission reduction and cost reduction; 3. in the using process, the phenomenon of blocking the sieve pores to different degrees can not penetrate the sieve, and the product is unqualified or the productivity is low.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel screen cloth has solved the problem that the object granule presss from both sides the stopper easily among the correlation technique.
The technical scheme of the utility model as follows:
a novel screen mesh comprises a screen mesh body,
fixing the frame;
the elastic sieve plate net is arranged on the fixed frame;
and the stretching connecting piece is connected with the fixed frame and the elastic sieve plate net and is used for stretching the elastic sieve plate net and then arranging the elastic sieve plate net on the fixed frame.
As a further technical solution, it is proposed that,
the fixed frame is provided with a first stretching fixing hole along a first direction, the elastic sieve plate net comprises a frame, and the frame is provided with a second stretching fixing hole along the first direction;
the fixed frame is provided with a first positioning hole along a second direction;
the frame is provided with a second positioning hole along a second direction.
As a further technical solution, the fixed frame includes,
the first stretching fixing holes are formed in the outer frame and the inner frame, the first positioning holes are formed in the inner frame, and fixing bolts are arranged in the first positioning holes.
As a further technical solution, the fixed frame further comprises,
and the supporting rib plates are arranged on the inner frame along a first direction and are positioned below the elastic sieve plate net.
As a further technical solution, it is proposed that,
and a vibration space is formed between the support rib plate and the lower end face of the elastic sieve plate net.
As a further technical solution, it is proposed that,
the size of the first tensile fixing hole is larger than that of the second tensile fixing hole.
As a further technical solution, it is proposed that,
the tensile connecting piece and the fixing bolt both comprise a bolt and a locking gasket.
As a further technical solution, it is proposed that,
and a metal plate is arranged in the frame.
As a further technical solution, it is proposed that,
and the outer frame is provided with an installation clamping groove for installing the fixed frame on the vibrating screen classifier.
As a further technical solution, it is proposed that,
the fixed frame is provided with a polyurethane wrapping edge.
The utility model discloses a theory of operation and beneficial effect do:
in the prior art, metal is punched, a metal wire textile sieve sheet or a polyurethane screen is welded with a metal frame or fastened by a bolt or integrally cast and connected by polyurethane, two adjacent sieve wires form a sieve pore, the sieve wire in the prior art is in a zero-stress state, and the phenomenon of blocking the sieve pore to different degrees can occur in the using process, so that the sieve cannot penetrate through the sieve, so that the product is unqualified or the yield is low, and the integrally designed traditional sieve plate is integrally scrapped after being applied, cannot be recycled, is not easy to sort and recycle, is not beneficial to environmental protection, energy conservation and cost reduction; and the original elastic sieve plate net has low opening rate and low grading and screening efficiency.
In the embodiment, in order to solve the problem that object particles are easy to clamp and plug, a fixed frame, an elastic sieve plate net and a tensile connecting piece are arranged, specifically, the elastic sieve plate net is arranged on the fixed frame, the tensile connecting piece connects the fixed frame and the elastic sieve plate net and is used for stretching the elastic sieve plate net and then arranging the elastic sieve plate net on the fixed frame, under the action of the tensile connecting force, a sieve wire is always in a tensioning stress state, the sieve wire in the tensioning force state can prevent the object particles from clamping and plugging, and the sieve holes are guaranteed not to be blocked, so that the sieving efficiency and the product quality are guaranteed; compare the scheme of welding or pouring on the frame in the elasticity sieve plate net among the prior art, this scheme has guaranteed that elasticity sieve plate net does not receive the frame restriction, makes tensile can realize.
In the novel screen plate, the elastic screen plate mesh integrally cast and molded by polyurethane is fixed on the fixed frame after being stretched, and the elastic screen plate mesh and the fixed frame are arranged separately, so that the fixed frame can be recycled, and the material cost is greatly reduced; the elastic sieve plate net molded by integrally casting polyurethane has enough elasticity, and the elastic sieve plate net can generate free vibration in the vibration process, namely secondary resonance, so that the screening efficiency is greatly increased; the scheme redesigns the size of the sieve pores, increases the length and the width of the sieve pores, and increases the effective screening area on the elastic sieve plate net with the same size; reinforcing ribs can be arranged on the elastic sieve plate net, and the elastic sieve plate net with the reinforcing ribs and the planar elastic sieve plate net can be selected and used according to different use scenes.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a top view of the middle outer frame of the present invention;
fig. 2 is a front sectional view of the middle outer frame of the present invention;
FIG. 3 is a left side view of the middle outer frame of the present invention;
fig. 4 is a top view of the inner frame of the present invention;
fig. 5 is a front sectional view of the inner frame of the present invention;
fig. 6 is a left cross-sectional view of the inner frame of the present invention;
fig. 7 is a schematic view of the structure of the middle elastic sieve plate net of the present invention;
fig. 8 is a partial sectional view of a-a in fig. 7 according to the present invention;
fig. 9 is a partial sectional view of B-B in fig. 7 according to the present invention;
fig. 10 is an overall cross-sectional view of the present invention;
in the figure: 1. fixed frame, 2, first tensile fixed orifices, 3, first locating hole, 4, elasticity sieve plate net, 5, frame, 6, the tensile fixed orifices of second, 7, second locating hole, 8, tensile connecting piece, 9, frame, 10, inside casing, 11, support rib plate, 12, vibration space, 13, metal sheet, 14, installation slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.
As shown in fig. 1 to 10, the present embodiment provides a novel screen, which is characterized by comprising,
fixing the frame 1;
the elastic sieve plate net 4 is arranged on the fixed frame 1;
tensile connecting piece 8, tensile connecting piece 8 is connected with fixed frame 1 and elasticity perforated plate net 4 for set up on fixed frame 1 after drawing elasticity perforated plate net 4.
In the prior art, metal is punched, a metal wire textile sieve sheet or a polyurethane screen is welded with a metal frame or fastened by a bolt or integrally cast and connected by polyurethane, two adjacent sieve wires form a sieve pore, the sieve wire in the prior art is in a zero-stress state, and the phenomenon of blocking the sieve pore to different degrees can occur in the using process, so that the sieve cannot penetrate through the sieve, so that the product is unqualified or the yield is low, and the integrally designed traditional sieve plate is integrally scrapped after being applied, cannot be recycled, is not easy to sort and recycle, is not beneficial to environmental protection, energy conservation and cost reduction; and the original elastic sieve plate net has low opening rate and low grading and screening efficiency.
In the embodiment, in order to solve the problem that object particles are easy to block, a fixed frame 1, an elastic sieve plate net 4 and a tensile connecting piece 8 are arranged, specifically, the elastic sieve plate net 4 is arranged on the fixed frame 1, the tensile connecting piece 8 connects the fixed frame 1 with the elastic sieve plate net 4 and is used for stretching the elastic sieve plate net 4 and then arranging the stretched elastic sieve plate net 4 on the fixed frame 1, under the action of tensile connecting force, sieve wires are always in a tensioned stressed state, and the sieve wires in the tensioned state can prevent the object particles from blocking and ensure that sieve holes are not blocked, so that the sieving efficiency and the product quality are ensured; compare in the scheme of 4 welding of elasticity perforated plate net or pouring on the frame among the prior art, this scheme has guaranteed that elasticity perforated plate net 4 does not receive the frame restriction, makes tensile can realize.
In the novel screen plate, the elastic screen plate net 4 integrally molded by casting polyurethane is stretched and then fixed on the fixed frame 1, and the elastic screen plate net 4 and the fixed frame 1 are separately arranged, so that the fixed frame 1 can be recycled, and the material cost is greatly reduced; the elastic sieve plate net 4 integrally cast and molded by polyurethane has enough elasticity, and the elastic sieve plate net 4 can generate free vibration, namely secondary resonance, in the vibration process, so that the screening efficiency is greatly increased; the scheme redesigns the size of the sieve pores, increases the length and the width of the sieve pores, and increases the effective screening area on the elastic sieve plate net with the same size; reinforcing ribs can be arranged on the elastic sieve plate net 4, and the elastic sieve plate net 4 with the reinforcing ribs and the planar elastic sieve plate net 4 can be selected and used according to different use scenes.
Further, the fixed frame 1 is provided with a first stretching fixing hole 2 along the first direction, the elastic sieve plate net 4 comprises a frame 5, and the frame 5 is provided with a second stretching fixing hole 6 along the first direction;
the fixed frame 1 is provided with a first positioning hole 3 along the second direction;
the frame 5 has a second positioning hole 7 along the second direction.
In this embodiment, the first direction is tensile direction, and fixed frame 1 has first tensile fixed orifices 2 along the first direction, and elasticity perforated tail pine 4 includes frame 5, and frame 5 has the tensile fixed orifices 6 of second along the first direction, and tensile connecting piece 8 sets up in first tensile fixed orifices 2 and the tensile fixed orifices 6 of second, sets up on fixed frame 1 after the tensile of elasticity perforated tail pine 4.
Elasticity sieve plate net 4 is tensile and fix after on fixed frame 1, in order to increase the stability of elasticity sieve plate net 4 in the use, prevent that the too big whole of 4 vibration amplitude of elasticity sieve plate net from appearing rocking, set up first locating hole 3 along the second direction on fixed frame 1, the second direction is fixed direction and first direction perpendicular, frame 5 has set up second locating hole 7 along the second direction, inject elasticity sieve plate net 4 on fixed frame 1 through fixing bolt.
Further, fixed frame 1 includes, frame 9 and inside casing 10 all are provided with first tensile fixed orifices 2 on frame 9 and the inside casing 10, and first locating hole 3 sets up on inside casing 10, and fixing bolt sets up in first locating hole 3.
In this embodiment, the fixed frame 1 includes two parts, namely, an outer frame 9 and an inner frame 10, and the first stretching fixing holes 2 penetrate through the outer frame 9 and the inner frame 10, so as to adjust the stretching degree from the outside; the first positioning holes 3 are only arranged on the inner frame 10, and the fixed elastic sieve plate net 4 is not easy to loosen in a mode of fixing by using fixing bolts from the inside.
Further, the fixed frame 1 further comprises a support rib plate 11, and the support rib plate 11 is arranged on the inner frame 10 along the first direction and is positioned below the elastic sieve plate net 4.
In this embodiment, 4 supporting metal rib plates are designed in the stretching direction of the inner frame 10, and are located below the elastic sieve plate mesh 4, rubber protection strips are designed on the upper end surfaces of the metal rib plates, and the supporting rib plates 11 and the rubber protection strips play roles of supporting, buffering and protecting the sieve plate when the elastic sieve plate mesh 4 is elastically deformed by the downward impact force.
Further, a vibration space 12 is formed between the support rib plate 11 and the lower end face of the elastic sieve plate net 4.
In the embodiment, 4-6mm vibration spaces 12 are designed on the upper end surface of the supporting rib plate 11 provided with the rubber protection strip and the lower end surface of the elastic sieve plate net 4 instead of zero-distance connection; when receiving material vibration impact effect to cooperate elasticity sieve plate net 4, the screen wire can produce complete elastic vibration process in two directions from top to bottom, and secondary resonance greatly improves screening efficiency promptly.
Further, the size of the first tension fixing hole 2 is larger than the size of the second tension fixing hole 6.
In this embodiment, because the tensile fixed orifices 6 of second can take place corresponding deformation after elasticity perforated strainer 4 stretches, the position also can change, if the size of first tensile fixed orifices 2 is completely according to the size design of tensile fixed orifices 6 of second before tensile, can the deviation appear when connecting with tensile connecting piece 8, so for the convenience of fixing, the size of first tensile fixed orifices 2 is greater than the size of the tensile fixed orifices 6 of second, and first tensile fixed orifices 2 can set up to the elliptical aperture, the position that the frame 9 outside corresponds first tensile fixed orifices 2 simultaneously is provided with square groove, square groove can be conveniently with the spanner outside or with hand adjustment tensile connecting piece 8.
Further, the tensile connecting piece 8 and the fixing bolt both comprise bolts and anti-loosening gaskets.
In this embodiment, the fixed frame 1 and the elastic screen mesh 4 are connected together by the tensile connecting member 8; the stretching connecting piece 8 has the function of enabling the elastic sieve plate net 4 to be in a certain deformation tension state through strong stretching and to be connected with the inner edge of the outer frame 5 without a gap; the fixing bolts only serve as positioning to enable the whole screen surface to be kept horizontal in the working process, and the tension connecting piece 8 and the fixing bolts can be selected to be combined with bolts and anti-loosening gaskets or combined with screws and the anti-loosening gaskets.
Further, a metal plate 13 is provided in the frame 5.
In this embodiment, the metal plates 13 are embedded in the peripheral inner frame 5 to enhance the strength of the elastic sieve plate net 4 when being squeezed or stretched by an external force, so as to ensure that the elastic sieve plate net 4 is not deformed as a whole, is not deformed when being stressed, and is reliably and tightly connected with the outer frame 5.
Furthermore, the outer frame 9 is provided with an installation clamping groove 14 for installing the fixed frame 1 on the vibrating screen machine.
In this embodiment, the required sieve plate of equipment such as accessible frame 9 on the draw-in groove, with various linear vibrating screen of using at present, the equal thickness sieve is banana sieve promptly matches or replaces the use, and the equipment is convenient.
Further, the fixing frame 1 has a polyurethane covering.
In this embodiment, the polyurethane covered edge of the fixed frame 1 mainly plays a role in fixing, connecting, supporting and protecting the polyurethane elastic sieve plate net 4.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A novel screen is characterized by comprising,
a fixed frame (1);
the elastic sieve plate net (4), the elastic sieve plate net (4) is arranged on the fixed frame (1);
the stretching connecting piece (8), the stretching connecting piece (8) with fixed frame (1) with elasticity perforated plate net (4) are connected, are used for with elasticity perforated plate net (4) set up after stretching on fixed frame (1).
2. The novel screen panel as claimed in claim 1,
the fixed frame (1) is provided with a first stretching fixing hole (2) along a first direction, the elastic sieve plate net (4) comprises a frame (5), and the frame (5) is provided with a second stretching fixing hole (6) along the first direction;
the fixed frame (1) is provided with a first positioning hole (3) along a second direction;
the frame (5) is provided with a second positioning hole (7) along a second direction.
3. A new screen panel as claimed in claim 2, characterised in that said fixed frame (1) comprises,
the outer frame (9) and the inner frame (10), the first stretching fixing holes (2) are formed in the outer frame (9) and the inner frame (10), the first positioning holes (3) are formed in the inner frame (10), and fixing bolts are arranged in the first positioning holes (3).
4. A new screen panel as claimed in claim 3, characterised in that said fixed frame (1) further comprises,
the supporting rib plates (11) are arranged on the inner frame (10) along a first direction and are located below the elastic sieve plate net (4).
5. The novel screen panel as claimed in claim 4,
and a vibration space (12) is formed between the support rib plates (11) and the lower end face of the elastic sieve plate net (4).
6. The novel screen panel as claimed in claim 5,
the size of the first stretching and fixing hole (2) is larger than that of the second stretching and fixing hole (6).
7. The novel screen panel as claimed in claim 6,
the tensile connecting piece (8) and the fixing bolt both comprise a bolt and a check washer.
8. The novel screen panel as claimed in claim 7,
and a metal plate (13) is arranged in the frame (5).
9. The novel screen panel of claim 8,
and the outer frame (9) is provided with an installation clamping groove (14) for installing the fixed frame (1) on the vibrating screening machine.
10. The novel screen panel of claim 9,
the fixed frame (1) is provided with a polyurethane wrapping edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022839383.5U CN214515979U (en) | 2020-12-01 | 2020-12-01 | Novel screen mesh |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022839383.5U CN214515979U (en) | 2020-12-01 | 2020-12-01 | Novel screen mesh |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214515979U true CN214515979U (en) | 2021-10-29 |
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ID=78290044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022839383.5U Active CN214515979U (en) | 2020-12-01 | 2020-12-01 | Novel screen mesh |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214515979U (en) |
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2020
- 2020-12-01 CN CN202022839383.5U patent/CN214515979U/en active Active
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