阅读说明：本技术 一种提高植砂均匀性的静电植砂结构及其静电植砂设备 (Electrostatic sand planting structure for improving sand planting uniformity and electrostatic sand planting equipment thereof ) 是由 雷龙长 于 2019-10-14 设计创作，主要内容包括：本发明公开了一种提高植砂均匀性的静电植砂结构及其静电植砂设备,属于静电植砂的设备技术领域。本发明的一种提高植砂均匀性的静电植砂结构,包括输送带、上极板、下极板；其中,上极板布置于下极板上方,用于产生使砂粒向上运动的电力场；输送带布置于上极板与下极板之间,用于输送砂粒；基材行走路径位于上极板与输送带之间,基材行走路径是植砂时基材行走的路径；还包括筛网,筛网布置于输送带与基材行走路径之间,用于均匀化砂粒,以使得砂粒先上升穿过筛网被均匀化后、再附着于基材上。采用本发明进行基材的植砂作业时,能够提高植砂的均匀性,使得砂粒能够更加均匀的分布于基材上,生产的产品质量更佳。(The invention discloses an electrostatic sand planting structure for improving sand planting uniformity and electrostatic sand planting equipment thereof, and belongs to the technical field of electrostatic sand planting equipment. The invention relates to an electrostatic sand planting structure for improving the uniformity of sand planting, which comprises a conveyer belt, an upper polar plate and a lower polar plate; wherein the upper polar plate is arranged above the lower polar plate and used for generating an electric field which enables sand grains to move upwards; the conveying belt is arranged between the upper polar plate and the lower polar plate and is used for conveying sand grains; the base material walking path is positioned between the upper polar plate and the conveyer belt and is a path where the base material walks during sand planting; the screen cloth is arranged between the conveying belt and the base material walking path and used for homogenizing sand grains, so that the sand grains rise through the screen cloth to be homogenized and then are attached to the base material. When the sand planting device is used for sand planting operation of the base material, the uniformity of sand planting can be improved, so that sand grains can be more uniformly distributed on the base material, and the quality of a produced product is better.)

1. An electrostatic sand planting structure for improving the uniformity of sand planting comprises a conveying belt (1), an upper polar plate (3) and a lower polar plate (4); wherein the content of the first and second substances,

the upper polar plate (3) is arranged above the lower polar plate (4) and used for generating an electric field which enables sand grains to move upwards;

the conveyer belt (1) is arranged between the upper polar plate (3) and the lower polar plate (4) and is used for conveying sand grains;

the base material walking path (6') is positioned between the upper polar plate (3) and the conveyer belt (1), and the base material walking path (6') is a path where the base material (6) walks during sand planting;

the method is characterized in that: the device also comprises a screen (8), wherein the screen (8) is arranged between the conveyer belt (1) and the substrate walking path (6') and is used for homogenizing the sand grains (7) so that the sand grains (7) firstly rise through the screen (8) to be homogenized and then are attached to the substrate (6).

2. The electrostatic sand-planting structure according to claim 1, wherein: the device also comprises a winding and unwinding device, and the screen (8) can run between the conveyer belt (1) and the base material running path (6') through the winding and unwinding device (9).

3. The electrostatic sand-planting structure according to claim 2, wherein: the coiling and uncoiling device (9) comprises an uncoiling shaft (91) and an uncoiling guide roller (92) which are arranged on one side of the upper pole plate (3) and the lower pole plate (5), and a coiling guide roller (93) and a coiling shaft (94) which are arranged on the other side of the upper pole plate (3) and the lower pole plate (5); after the coiled screen (8) is arranged on the unwinding shaft (91), the screen (8) passes through the space between the conveying belt (1) and the base material walking path (6') through the unwinding guide roller (92) and is connected to the winding shaft (94) through the winding guide roller (93).

4. The electrostatic sand-planting structure according to claim 3, wherein: the unreeling guide roller (92) or/and the reeling guide roller (93) is/are connected with a tensioning mechanism for tensioning the screen (8).

5. The electrostatic sand-planting structure according to claim 3, wherein: and the unreeling guide roller (92) or/and the reeling guide roller (93) is/are connected with a vibrating mechanism for vibrating the screen (8).

6. The electrostatic sand-planting structure according to claim 1, wherein: the width b of the screen is not less than the width b1 of the upper polar plate or/and the width b2 of the lower polar plate.

7. The electrostatic sand-planting structure according to claim 1, wherein: the distance h1 from the screen to the conveyor is less than the distance h2 from the path traveled by the substrate.

8. The electrostatic sand-planting structure according to claim 1, wherein: the mesh number of the screen mesh (8) is 5-600 meshes.

9. The electrostatic sand-planting structure according to claim 1, wherein: the conveying surface of the conveying belt (1) is positioned between the upper polar plate (3) and the lower polar plate (4).

10. The utility model provides an electrostatic sand planting equipment which characterized in that: comprising an electrostatic sand-planting structure according to any one of claims 1 to 9.

Technical Field

The invention relates to an electrostatic sand planting structure for improving sand planting uniformity and electrostatic sand planting equipment thereof, and belongs to the technical field of electrostatic sand planting equipment.

Background

At present, the static sand planting operation of the base material generally adopts reverse sand planting or forward sand planting.

As shown in fig. 1, sand 7 falls onto the sand conveying belt 1 through the lower sand device 2 and is conveyed between the upper pole plate 3 and the lower pole plate 4, under the action of an electric field generated between the upper pole plate 3 and the lower pole plate 4, the sand 7 rises and adheres to a substrate 6 coated with a binder, and the substrate 6 is guided by the substrate guide roller 5 to enter an oven for solidification.

Unlike the reverse sand planting shown in fig. 1, the electrostatic sand planting device for forward sand planting is shown in fig. 2, and the moving direction of the sand grains on the sand conveying belt 1 of the device is the same as the moving direction of the base material, so the device is called forward sand planting. The two sand planting modes are the existing electrostatic sand planting methods: the substrate 6 with the adhesive attached thereto is made to travel through an electric field, and the sand 7 is transferred into the electric field, and the sand 7 rises and adheres to the substrate 6 by the electric field. The two sand planting modes are that sand grains directly rise and are attached to a base material under the action of electric fields generated by an upper polar plate and a lower polar plate, the uniformity of sand planting is greatly influenced by the uniformity of the lower sand, and the local unevenness of sand planting can be caused by mutual collision among the sand grains in the electric fields.

Disclosure of Invention

The invention aims to: aiming at the problems, the invention provides the electrostatic sand planting structure for improving the sand planting uniformity and the electrostatic sand planting equipment thereof.

The technical scheme adopted by the invention is as follows:

an electrostatic sand planting structure for improving the uniformity of sand planting comprises a conveying belt, an upper polar plate and a lower polar plate; wherein the upper polar plate is arranged above the lower polar plate and used for generating an electric field which enables sand grains to move upwards; the conveying belt is arranged between the upper polar plate and the lower polar plate and is used for conveying sand grains; the base material walking path is positioned between the upper polar plate and the conveyer belt and is a path where the base material walks during sand planting; the screen cloth is arranged between the conveying belt and the base material walking path and used for homogenizing sand grains, so that the sand grains rise through the screen cloth to be homogenized and then are attached to the base material.

When the electrostatic sand planting structure is adopted to carry out sand planting operation on a base material, the action process principle is as follows: the base material attached with the adhesive walks between the upper pole plate and the conveyer belt along the base material walking path, the base material walks above the screen cloth, the screen cloth is positioned above the conveyer belt, an electric power field for enabling sand grains to move upwards is generated between the upper pole plate and the lower pole plate, when the sand grains are conveyed between the upper pole plate and the lower pole plate through the conveyer belt, the sand grains move upwards under the action of the electric power field, and due to the design of the screen cloth, the screen cloth is positioned on the rising path of the sand grains, so the sand grains can be attached to the base material after being homogenized by the screen cloth, the uniformity of sand planting is improved, and the sand grains can be more uniformly distributed on the base material.

An electrostatic sand planting device comprises the electrostatic sand planting structure.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the electrostatic sand planting structure and the electrostatic sand planting equipment for improving the uniformity of the planted sand have ingenious conception, and when the electrostatic sand planting structure is used for carrying out the sand planting operation on the base material, the uniformity of the planted sand can be improved, so that sand grains can be more uniformly distributed on the base material, and the quality of a produced product is better.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic diagram of an electrostatic sand-planting structure of a reverse sand-planting in the background art;

FIG. 2 is a structural diagram of electrostatic sand planting in the same direction of sand planting in the background art;

FIG. 3 is a schematic diagram of an electrostatic sand-planting structure for improving the uniformity of sand-planting according to the present invention;

FIG. 4 is a structural schematic diagram of the electrostatic sand planting for improving the uniformity of the planted sand in the same direction;

FIG. 5 is a schematic diagram of the winding and unwinding device of the present invention with the screen cloth traveling between the conveyor belt and the substrate travel path;

fig. 6 is a schematic view showing that the running direction of the screen is substantially perpendicular to the running direction of the base material in a plan view of the present invention.

The labels in the figure are: 1-conveying belt, 2-sanding device, 21-blanking hopper, 22-sanding roller, 3-upper polar plate, 4-lower polar plate, 5-guide roller, 6-base material, 6' -base material walking path, 7-sand, 8-screen, 9-winding and unwinding device, 91-unwinding shaft, 92-unwinding guide roller, 93-winding guide roller and 94-winding shaft.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the present invention, the base material running path 6' is a path along which the base material 6 runs during the sand planting work, and the base material 6 runs between the upper plate 3 and the conveyor belt 1 by the guide action of the guide roller 5. In the existing electrostatic sand planting equipment, as shown in fig. 1 and fig. 2, a base material 6 can walk between an upper polar plate and a conveyer belt (or a lower polar plate), and a guide roller 5 of the existing electrostatic sand planting equipment mainly plays a role in guiding, so that the technical problem does not exist in how to walk the base material 6 between the upper polar plate 3 and the conveyer belt 4, the technical problem mainly solved by the invention is how to improve the uniformity of sand planting by referring to the existing technical means, and therefore, the walking of the base material 6 is realized by adopting the existing technical means, and the invention is not repeated.