阅读说明：本技术 一种不锈钢金属筛网 (stainless steel metal screen ) 是由 黄伟 付子豪 于 2019-09-11 设计创作，主要内容包括：本发明提供了一种不锈钢金属筛网,包括网筛单元、筛分单元和细网罩；所述网筛单元的下端通过螺纹连接方式安装有若干筛分单元,所述网筛单元最下端的筛分单元上通过螺旋连接方式安装有细网罩；本发明可以现有的筛网在筛分物质的过程中主要存在的a：现有的筛网在筛分物质时只能针对一种大小的物质进行筛分,适用性低下；b：在对物质按照其体积大小进行分等级操作时需要更换不同大小的筛网逐次进行筛分,其筛分效率低下；且筛分的物质多散落在地面,后期还需要再次收集等问题。(The invention provides a stainless steel metal screen, which comprises a mesh screen unit, a screening unit and a fine mesh cover; the lower end of the mesh screen unit is provided with a plurality of screening units in a threaded connection mode, and the screening unit at the lowest end of the mesh screen unit is provided with a fine mesh enclosure in a spiral connection mode; the invention can be used for screening substances by using the existing screen, wherein the a: the existing screen can only screen materials with one size when screening materials, so that the applicability is low; b: when the materials are graded according to the size of the materials, screens with different sizes need to be replaced for successive screening, so that the screening efficiency is low; and the screened substances are scattered on the ground, and need to be collected again in the later period.)

1. A stainless steel metal screen comprises a screen mesh unit (1), a screening unit (2) and a fine screen cover (3); the method is characterized in that: the lower end of the mesh screen unit (1) is provided with a plurality of screening units (2) in a threaded connection mode, and the screening unit (2) at the lowest end of the mesh screen unit (1) is provided with a fine mesh enclosure (3) in a spiral connection mode; wherein:

the mesh screen unit (1) comprises a leakage hopper (11), an auxiliary spring (12), a column barrel (13), a grid screen (14), a lantern ring (15), a fixed claw (16) and a fixed spring (17); the lower end of the leakage hopper (11) is provided with a column casing (13) in a threaded connection mode; fixing grooves are symmetrically and uniformly formed in the circumferential outer wall of the column barrel (13) from top to bottom, an auxiliary spring (12) is sleeved on the circumferential outer wall of the leakage hopper (11), a sleeve ring (15) is sleeved on the circumferential outer wall of the column barrel (13), a fixing claw (16) is arranged on the outer wall of the lower end of the sleeve ring (15) in a sliding fit mode, and the outer wall of one end of the fixing claw (16) is connected with the inner wall of the sliding groove in the sleeve ring (15) through a fixing spring (17); a discharge hole of the discharge hopper (11) is provided with a grid sieve (14);

The screening unit (2) comprises an upper cylinder (21), a lower cylinder (22), a screening module (23), a locking clamp column (24), a push rod (25) and a return spring (26); a stepped groove is formed in the upper cylinder (21), a screening module (23) is arranged at the stepped groove of the upper cylinder (21), and a sliding groove is formed in the outer wall of the circumference of the lower end of the upper cylinder (21); and the inner wall of the sliding groove is evenly provided with locking holes from top to bottom, the lower end of the upper cylinder (21) is provided with a lower cylinder (22) in a sliding fit mode, the upper end of the lower cylinder (22) is of a convex structure and is positioned inside the sliding groove, locking clamping columns (24) are symmetrically arranged in the convex structure in a sliding fit mode, the outer wall of the circumference of the locking clamping column (24) positioned inside the lower cylinder (22) is sleeved with a return spring (26), and the pushing rod (25) penetrates through the upper cylinder (21) to be matched with the locking clamping column (24) inside the lower cylinder (22).

2. A stainless steel metal screen according to claim 1, wherein: the screening module (23) comprises a vibration spring (231), an upper snap ring (232), a lower snap ring (233), a screen (234) and a rubber strip (235); the vibration springs (231) are uniformly arranged on the inner wall of the stepped groove of the upper cylinder (21); be located the upper end of vibrations spring (231) and be provided with down snap ring (233), lower snap ring (233) outer wall be the protruding structure of plum blossom, the upper end of lower snap ring (233) is connected with snap ring (232) through the bearing, last snap ring (232) connect the inner circle at the bearing, snap ring (233) connect the outer lane at the bearing down, last snap ring (232) and snap ring (233) down inside all be provided with the annular groove, the annular groove that is located snap ring (232) and snap ring (233) down is inside all to be provided with screen cloth (234) through rubber strip (235).

3. a stainless steel metal screen according to claim 1, wherein: the outer wall of the upper end of the grizzly screen (14) is of a gathering structure which is sunken towards the middle part.

4. a stainless steel metal screen according to claim 1, wherein: the screen (14) has a perforated diameter slightly larger than the maximum volume of the material to be screened.

5. A stainless steel metal screen according to claim 1, wherein: plum blossom holes are formed in the inner wall of the stepped groove in the upper cylinder (21).

Technical Field

The invention relates to the field of screens, in particular to a stainless steel metal screen.

Background

After being harvested, some crops are generally classified according to the volume and size of the crops, and generally, workers place the crops in sieve trays with different mesh sizes in sequence to perform shaking and screening; thereby to grade the substance; however, the existing screen mainly has the following problems in the process of screening materials:

a: the existing screen can only screen materials with one size when screening materials, so that the applicability is low; b: when the materials are graded according to the size of the materials, screens with different sizes need to be replaced for successive screening, so that the screening efficiency is low; and the screened substances are mostly scattered on the ground and need to be collected again at the later stage.

Therefore, in order to improve the adaptability of the screen, the screen is convenient for screening the substances at one time according to a set grade; the invention provides a stainless steel metal screen.

disclosure of Invention

In order to achieve the purpose, the invention adopts the following technical scheme that the stainless steel metal screen comprises a mesh screen unit, a screening unit and a fine mesh cover; the lower end of the mesh screen unit is provided with a plurality of screening units in a threaded connection mode, and the screening unit at the lowest end of the mesh screen unit is provided with a fine mesh enclosure in a spiral connection mode; wherein:

The mesh screen unit comprises a leakage hopper, an auxiliary spring, a column cylinder, a grid screen, a lantern ring, a fixed claw and a fixed spring; the lower end of the leakage hopper is provided with a column casing in a threaded connection mode; the outer wall of the circumference of the column barrel is symmetrically and uniformly provided with fixing grooves from top to bottom, the outer wall of the circumference of the leakage hopper is sleeved with an auxiliary spring, the outer wall of the circumference of the column barrel is sleeved with a lantern ring, the outer wall of the lower end of the lantern ring is provided with a fixing claw in a sliding fit mode, and the outer wall of one end of the fixing claw is connected with the inner wall of the sliding groove in the lantern ring through the fixing spring; and a discharge hole of the discharge hopper is provided with a grid sieve.

The screening unit comprises an upper cylinder, a lower cylinder, a screening module, a locking clamp column, a push rod and a return spring; a stepped groove is formed in the upper cylinder, a screening module is arranged at the stepped groove of the upper cylinder, and a sliding groove is formed in the outer wall of the circumference of the lower end of the upper cylinder; the inner wall of the sliding groove is uniformly provided with locking holes from top to bottom, the lower end of the upper cylinder is provided with a lower cylinder in a sliding fit mode, the upper end of the lower cylinder is of a convex structure and is positioned in the sliding groove, locking clamping columns are symmetrically arranged in the convex structure in the sliding fit mode, the outer wall of the circumference of each locking clamping column in the lower cylinder is sleeved with a return spring, and the pushing rod penetrates through the upper cylinder to be matched with the locking clamping columns in the lower cylinder; when the materials to be screened need to be screened according to the volume size, mounting a corresponding number of screening units according to the screening grade of the materials, adjusting the screening module according to the volume size of the corresponding grade of the materials, and sequentially reducing meshes of the adjusted screening module from top to bottom; when the sizes of the corresponding meshes are adjusted, the screened substances are poured into the hopper, the lug seats of the lantern rings are held by the two hands of people to shake in the circumferential direction, the substances are promoted to be screened, the substances with the corresponding qualities can fall into the corresponding screening units, and after screening is finished; the sieving unit is taken down and the inner material is poured out.

the screening module comprises a vibration spring, an upper snap ring, a lower snap ring, a screen and a rubber strip; the vibration springs are uniformly arranged on the inner wall of the stepped groove of the upper cylinder; a lower snap ring is arranged at the upper end of the vibration spring, the outer wall of the lower snap ring is of a plum blossom-shaped convex structure, the upper end of the lower snap ring is connected with an upper snap ring through a bearing, the upper snap ring is connected to the inner ring of the bearing, the lower snap ring is connected to the outer ring of the bearing, annular grooves are formed in the upper snap ring and the lower snap ring, and screens are arranged in the annular grooves of the upper snap ring and the lower snap ring through rubber strips; according to the size of the screened materials, the relative position of the upper clamping ring and the screen on the lower clamping ring is adjusted by rotating the upper clamping ring, so that the size of the meshes on the screen is adjusted; controlling the screening of different volumes of material; simultaneously, the effect through vibrations spring drives the screen cloth and further shakes when the material from top to bottom falls and carries out the contact with the screen cloth to the screening effect of material has been improved.

the outer wall of the upper end of the grizzly screen is of a gathering structure which is sunken towards the middle part; the middle part of the grid screen is arranged into a concave gathering shape, so that screened substances can fall from the screening holes on the grid screen; the flow of the material to be sieved is promoted.

Preferably, the aperture of the leaking material on the grid sieve is slightly larger than the maximum volume of the sieved substances; the grid sieve is convenient for control the screening speed of screening objects, ensures that the materials are evenly screened, and can not block the screening holes due to the over-high screening speed.

Preferably; plum blossom holes are formed in the inner wall of the stepped groove in the upper cylinder; the quincuncial holes are formed in the inner wall of the stepped groove in the upper cylinder, so that the upper clamping ring and the lower clamping ring can be fixed conveniently, the fixed positions of the upper clamping ring and the lower clamping ring are guaranteed through the matching of the special-shaped holes, and the upper clamping ring and the lower clamping ring cannot rotate.

Advantageous effects

Firstly, screening substances to be screened according to the grade requirements of the substances by installing a corresponding number of screening units; the sizes of the meshes on the screening units can be freely adjusted, so that different types of substances can be screened conveniently, the lug seats of the lantern rings are held by both hands manually to shake in the circumferential direction in the screening process, the substances in the hopper are promoted to shake under the action of the auxiliary spring, and the screening effect of the substances is improved;

The relative position of the upper clamping ring and the screen on the lower clamping ring is adjusted by rotating the upper clamping ring, so that the size of meshes on the screen is adjusted; controlling the screening of different volumes of material; when the materials fall from top to bottom and contact with the screen, the screen is driven to further vibrate under the action of the vibration spring, so that the screening effect of the materials is improved; and the screened substances fall into the corresponding screening units, so that the situation that the substances are scattered on the ground is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front view in section view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view of a screening unit of the present invention;

FIG. 4 is a top view of the upper cylinder of the present invention;

FIG. 5 is a top view of the upper snap ring of the present invention.

Detailed Description

Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.

In addition, the following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention; the left, right, front, back, etc. orientations described in the embodiments of the present application are all referred to by the product itself, as opposed to the left, right, front, back, etc. orientations as would be apparent to the skilled artisan. Therefore, these terms are defined based on the entire contents of the present specification.

As shown in fig. 1 to 5, a stainless steel metal screen includes a mesh unit 1, a sieving unit 2, and a fine mesh cover 3; the lower end of the mesh screen unit 1 is provided with a plurality of screening units 2 in a threaded connection mode, and the screening unit 2 at the lowest end of the mesh screen unit 1 is provided with a fine mesh enclosure 3 in a spiral connection mode; wherein:

The mesh screen unit 1 comprises a leakage hopper 11, an auxiliary spring 12, a column barrel 13, a grid screen 14, a lantern ring 15, a fixed claw 16 and a fixed spring 17; the lower end of the leakage hopper 11 is provided with a column casing 13 in a threaded connection mode; fixing grooves are symmetrically and uniformly formed in the circumferential outer wall of the column barrel 13 from top to bottom, an auxiliary spring 12 is sleeved on the circumferential outer wall of the leakage hopper 11, a lantern ring 15 is sleeved on the circumferential outer wall of the column barrel 13, a fixing claw 16 is arranged on the outer wall of the lower end of the lantern ring 15 in a sliding fit mode, and the outer wall of one end of the fixing claw 16 is connected with the inner wall of the sliding groove in the lantern ring 15 through a fixing spring 17; a grid sieve 14 is arranged on a material leakage opening of the material leakage hopper 11; the outer wall of the upper end of the lattice 14 is of a gathering structure which is sunken towards the middle part; the middle part of the grid 14 is arranged into a concave gathering shape, so that screened materials can fall from the screening holes on the grid 14; the flow of the material to be screened is promoted; the perforated material aperture on the grid 14 is slightly larger than the maximum volume of the screened material; the grid sieve 14 is convenient for control the screening speed of screening objects, ensures that the materials are screened uniformly, and does not block the screening holes due to too high screening speed.

The screening unit 2 comprises an upper cylinder 21, a lower cylinder 22, a screening module 23, a locking clamp column 24, a push rod 25 and a return spring 26; a stepped groove is formed in the upper cylinder 21, and a plum blossom hole is formed in the inner wall of the stepped groove; the quincuncial holes are formed in the inner wall of the stepped groove in the upper cylinder 21, so that the upper clamping ring 232 and the lower clamping ring 233 can be fixed conveniently, the fixing positions of the upper clamping ring 232 and the lower clamping ring 233 are guaranteed through the matching of the special-shaped holes, and the upper clamping ring 232 and the lower clamping ring 233 cannot rotate; a screening module 23 is arranged at the stepped groove of the upper cylinder 21, and a sliding groove is arranged on the outer wall of the circumference of the lower end of the upper cylinder 21; the inner wall of the sliding chute is uniformly provided with locking holes from top to bottom, the lower end of the upper cylinder 21 is provided with a lower cylinder 22 in a sliding fit mode, the upper end of the lower cylinder 22 is of a convex structure and is positioned in the sliding chute, locking clamping columns 24 are symmetrically arranged in the convex structure in a sliding fit mode, the outer wall of the circumference of the locking clamping column 24 positioned in the lower cylinder 22 is sleeved with a return spring 26, and the push rod 25 penetrates through the upper cylinder 21 to be matched with the locking clamping column 24 in the lower cylinder 22; when the materials to be screened need to be screened according to the volume, the screening units 2 with corresponding quantity are installed according to the screening grade of the materials, then the screening module 23 is adjusted according to the volume of the materials with corresponding grade, and the meshes of the adjusted screening module 23 are sequentially reduced from top to bottom; when the sizes of the corresponding meshes are adjusted, the screened substances are poured into the hopper 11, the lug seats of the lantern rings 15 are held by both hands of a worker to shake in the circumferential direction, so that the substances are screened, the substances with the corresponding qualities fall into the corresponding screening units 2, and after screening is finished; the sieving unit 2 is removed and the contents are poured out.

the screening module 23 comprises a vibration spring 231, an upper snap ring 232, a lower snap ring 233, a screen 234 and a rubber strip 235; the vibration springs 231 are uniformly arranged on the inner wall of the stepped groove of the upper cylinder 21; a lower clamping ring 233 is arranged at the upper end of the vibration spring 231, the outer wall of the lower clamping ring 233 is of a plum blossom-shaped convex structure, the upper end of the lower clamping ring 233 is connected with an upper clamping ring 232 through a bearing, the upper clamping ring 232 is connected with the inner ring of the bearing, the lower clamping ring 233 is connected with the outer ring of the bearing, annular grooves are formed in the upper clamping ring 232 and the lower clamping ring 233, and a screen 234 is arranged in the annular grooves of the upper clamping ring 232 and the lower clamping ring 233 through rubber strips 235; the relative position of the upper clamping ring 232 and the screen 234 on the lower clamping ring 233 is adjusted by rotating the upper clamping ring 232, so that the size of the mesh on the screen 234 is adjusted; controlling the screening of different volumes of material; meanwhile, when the material falls down from the top to contact with the screen 234, the screen 234 is driven to further vibrate by the action of the vibration spring 231, so that the screening effect of the material is improved.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.