CN211830619U

CN211830619U - Energy-saving electrostatic adsorption device

Info

Publication number: CN211830619U
Application number: CN202020759341.8U
Authority: CN
Inventors: 杨杰
Original assignee: Chengdu Junchuang Technology Co ltd
Current assignee: Chengdu Junchuang Technology Co ltd
Priority date: 2020-05-11
Filing date: 2020-05-11
Publication date: 2020-10-30
Anticipated expiration: 2030-05-11

Abstract

The utility model relates to the field of electrostatic adsorption, in particular to an energy-saving electrostatic adsorption device which is used for adsorbing and heating a workpiece and comprises an adsorption piece, a heating piece and a heat-conducting piece, wherein the heating piece is embedded and arranged on the heat-conducting piece; the heat conducting part is provided with a containing groove, the heating element is arranged in the containing groove from the upper part, and the adsorption part is directly contacted with the heating element; in addition, the heat energy of the heating element and the non-direct contact part of the adsorption element can be transmitted to the adsorption element through the heat conduction element, so that the loss in the heat energy transmission process can be effectively reduced, and an energy-saving effect is achieved.

Description

Energy-saving electrostatic adsorption device

Technical Field

The utility model relates to an electrostatic absorption field especially relates to an energy-saving electrostatic absorption device.

Background

Electrostatic attraction is a phenomenon in which an electric field is formed between energized electrodes to polarize an object to generate electrostatic attraction force, and when an object without electrostatic attraction approaches an object with electrostatic attraction, one end of the object approaching the object with electrostatic attraction induces an electrical property opposite to that of the object with electrostatic attraction due to an electrostatic induction phenomenon, so that the object with electrostatic attraction is attracted and adhered to the object with electrostatic attraction. Some electrostatic adsorption device heats and all transmits the heat of heating member to the adsorption member in through heat-conducting member among the prior art, and this technical scheme not only heaies up slowly, and heating temperature is low, extravagant energy moreover very much.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the prior art is not enough to be overcome, and an energy-saving electrostatic adsorption device is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an energy-saving electrostatic adsorption device is used for adsorbing and heating a workpiece and comprises an adsorption part, a heating part and a heat conduction part, wherein the heating part is embedded in the heat conduction part; the heat conducting part is provided with a containing groove, the heating part is arranged in the containing groove from the upper part, and the adsorption part is in direct contact with the heating part.

Furthermore, the depth of the accommodating groove is matched with the thickness of the heating element, and when the heating element is placed in the accommodating groove, the upper surface of the accommodating groove is attached to the lower surface of the adsorption element.

Further, the adsorption member is attached to the heat conduction member through a heat conduction adhesive.

Further, the adsorption piece comprises an upper dielectric layer, a lower dielectric layer and an electrode plate clamped between the upper dielectric layer and the lower dielectric layer.

Furthermore, the electrode plates comprise a plurality of positive plates and negative plates, and the adjacent positive plates and the adjacent negative plates are arranged in a staggered manner.

Further, the electrode plate comprises a positive plate and a negative plate which are provided with a plurality of comb-shaped extension parts, and the comb-shaped extension parts of the positive plate and the comb-shaped extension parts of the negative plate are arranged in a staggered mode.

Further, the electrode sheet has a high voltage terminal connected to a controller, and when the high voltage terminal is electrically connected to the controller, the electrode sheet generates an electrostatic field for polarizing charges of the upper dielectric layer.

Furthermore, the upper dielectric layer is a PI layer, a PEEK layer, a glass layer or a ceramic layer, and the upper dielectric layer covers the electrode plate.

Further, the lower medium layer is a heat conducting glue, a glass layer or a ceramic layer.

Further, the heating element is a PTC heater, the working voltage of the heating element is 12 to 220V, and the dry-burning surface temperature is 50 to 300 ℃.

Owing to adopted above technical scheme, the utility model discloses following beneficial effect has:

the adsorption part of the electrostatic adsorption device of the utility model is directly contacted with the heating part, and the heat generated in the heating part can be directly transferred to the adsorption part, thus effectively reducing the time for heating the adsorption part; in addition, the heat energy of the heating element and the non-direct contact part of the adsorption element can be transmitted to the adsorption element through the heat conduction element, so that the loss in the heat energy transmission process can be effectively reduced, and an energy-saving effect is achieved.

Drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the drawings of the embodiments will be briefly described below, and it is obvious that the drawings in the following description only relate to some embodiments of the present invention, and are not intended to limit the present invention.

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of a heat-conducting member according to one embodiment;

FIG. 3 is a schematic structural view of a heating element according to one embodiment;

FIG. 4 is an exploded view of the absorbent member according to the first embodiment;

fig. 5 is a schematic arrangement diagram of the adsorbing members in the second embodiment.

Reference numerals:

1. an adsorbing member; 11. an upper dielectric layer; 12. an electrode sheet; 121. a positive plate; 1211. a positive high voltage terminal; 122. a negative plate; 1221. a negative high voltage terminal; 13. a lower dielectric layer; 2. a heating member; 21. an electrode tab; 3. a heat conductive member; 31. a containing groove; 32. and connecting the through holes.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are used only to indicate relative positional relationships that may change when the absolute position of an object being described changes, and are merely for convenience in describing the invention and to simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

The first embodiment is as follows:

referring to fig. 1 to 3, the present invention provides an energy-saving electrostatic adsorption device for adsorbing and heating a workpiece, including an adsorption member 1, a heating member 2 and a heat conduction member 3.

The adsorption member 1:

as shown in fig. 4, the adsorbing member 1 includes an upper dielectric layer 11, a lower dielectric layer 13, and an electrode sheet 12 sandwiched therebetween, where the upper dielectric layer 11 and the lower dielectric layer 13 are ceramic layers in this embodiment, the upper surface of the lower dielectric layer 13 is formed by a laser drilling process, a roughness ratio is 0.1 μm, and a diameter of a laser hitting hole is 0.2 mm, so that the upper surface of the lower dielectric layer 13 has a good bonding force with the unprocessed electrode sheet 12.

The electrode plate 12 is a copper foil electrode etched on the upper surface of the lower dielectric layer 13, and includes a positive plate 121 and a negative plate 122, the positive plate 121 and the negative plate 122 both have a plurality of comb-tooth-shaped extension portions, and the plurality of extension portions are arranged in a staggered manner to increase the effective adsorption area of the electrode plate. The positive plate 121 is provided with a positive high voltage terminal 1211 connected with a controller, the negative plate 122 is provided with a negative high voltage terminal 1221 connected with the controller, when the two high voltage terminals are respectively connected with the positive electrode and the negative electrode of the controller, a potential difference is formed between the extending parts of the positive plate 121 and the negative plate 122, and an electrostatic field capable of polarizing the charges on the upper surface of the upper dielectric layer 11 is generated, so that a large amount of polarized charges with electrostatic adsorption force are generated on the upper surface of the upper dielectric layer 11.

In the present embodiment, the electrical gaps between the positive electrode sheet 11 and the negative electrode sheet 12 are the same, and the electric field intensity at each position of the attraction member 1 is the same, so that each position on the upper surface of the upper dielectric layer 11 has the same electrostatic attraction force.

In addition, it should be noted that, the upper dielectric layer 11 and the lower dielectric layer 13 are ceramic sheets only as an embodiment of the present invention, and in other embodiments, the ceramic may be replaced by glass, PI film or PEEK, which may also achieve the technical effects of the present invention.

Heating member 2:

as shown in fig. 1 and 3, the heating member 2 is attached to the lower surface of the lower dielectric layer 13, and is a PTC heater including a plurality of PTC ceramic heating elements and an aluminum corrugated plate. The heating element 2 is electrically connected to a controller, the working voltage is 220V, and the dry-burning surface temperature (namely Curie temperature) is 120 ℃. It should be noted that, since the resistance value of the PTC ceramic heating element increases with the increase of the temperature, when the electrode connector 212 of the PTC ceramic heating element is electrically connected to the 220V power supply of the controller, the PTC ceramic heating element starts to generate heat, and when the temperature of the PTC ceramic heating element reaches 120 ℃ of the dry-fire surface temperature, the temperature will not be increased any more.

As shown in fig. 1 and 3, the corrugated aluminum plates are attached to both sides of the PTC ceramic heating element by a heat conductive adhesive to form a heating element 2, and the heating element 2 is integrally attached to the accommodating groove 31 of the heat conductive element 3 by the heat conductive adhesive, so that heat generated by the PTC ceramic heating element is continuously transferred to the adsorption element 1.

The PTC ceramic elements and the aluminum corrugated plates are insulated from each other, the heating element 2 and the adsorbing element 1 are insulated from each other, and the electrode tabs 212 are fixedly disposed on the side surfaces of the heat conducting elements 22 and connected to the respective PTC ceramic heating elements through wires.

Heat-conductive member 3:

as shown in fig. 2, the upper surface of the heat conducting member 3 has a receiving groove 31 for receiving the heating member 2, so that the heating member 2 can be received in the receiving groove 31 of the heat conducting member 3 from above, the depth of the receiving groove 31 is adapted to the thickness of the heating member 2, that is, when the lower surface of the heating member 2 is attached to the bottom surface of the receiving groove 31, the upper surface of the heating member 2 is flush with the upper surface of the heat conducting member 3. The inner area of the lower medium layer 13 is directly contacted with the heating element 2 through heat-conducting glue, and the outer area is fixedly attached to the heat-conducting element 3 through heat-conducting glue.

The heat conducting member 3 is provided with a connecting through hole 32 for connecting the electrode tab 212 of the PTC ceramic heating element to the controller, so that the suction device can be electrically connected to the controller when the workpiece needs to be sucked.

In addition, it should be noted that the material of the heat conducting member 3 in this embodiment is an aluminum plate, and in other embodiments, the heat conducting member 3 may be another metal plate.

Example two:

as shown in fig. 5, the structure of the present embodiment is substantially the same as that of the first embodiment, except that: in the present embodiment, a plurality of positive plates 121 and a plurality of negative plates 122 are disposed between the upper dielectric layer 11 and the lower dielectric layer 13, and the positive plates 121 and the negative plates 122 are alternately disposed to generate a potential difference therebetween and generate an electrostatic field that can polarize charges on the upper surface of the upper dielectric layer 11, so that a large amount of polarized charges with electrostatic attraction are generated on the upper surface of the upper dielectric layer 11.

The working principle of the utility model is as follows:

when the adsorption device of the utility model adsorbs the workpiece to be heated, the electrode joint 212 of the PTC ceramic heating element is connected with the controller, so that the PTC ceramic heating element generates heat which is transmitted to the adsorption part 1 through the aluminum corrugated plate and the heat conducting part, and the adsorption part 1 is preheated for a period of time; after the adsorption piece 1 is preheated, the high-voltage terminal on the electrode plate 12 is connected with the controller, so that a potential difference is generated between the positive plate 121 and the negative plate 122, an electric field is generated, the electric field polarizes charges on the upper surface of the upper dielectric layer 11 to generate electrostatic adsorption force for adsorbing a workpiece, when the adsorption piece 1 adsorbs the workpiece to the upper surface of the upper dielectric layer 11, the adsorption piece 1 transfers the heat of the adsorption piece 1 to the workpiece, the flexibility of the adsorbed workpiece can be effectively increased, and the assembly between the workpieces is facilitated.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An energy-saving electrostatic adsorption device is used for adsorbing and heating a workpiece and comprises an adsorption part, a heating part and a heat conduction part, and is characterized in that the heating part is embedded in the heat conduction part;

the heat conducting part is provided with a containing groove, the heating part is arranged in the containing groove from the upper part, and the adsorption part is in direct contact with the heating part.

2. The energy-saving electrostatic adsorption device of claim 1, wherein the depth of the accommodating groove is adapted to the thickness of the heating element, and when the heating element is placed in the accommodating groove, the upper surface of the accommodating groove is attached to the lower surface of the adsorption element.

3. The energy-saving electrostatic adsorption device according to claim 1 or 2, wherein the adsorption member is attached to the heat conduction member by a heat conduction adhesive.

4. The energy-saving electrostatic adsorption device of claim 1, wherein the adsorption member comprises an upper dielectric layer, a lower dielectric layer and an electrode plate sandwiched therebetween.

5. The energy-saving electrostatic adsorption device according to claim 4, wherein the electrode plates comprise a plurality of positive electrode plates and negative electrode plates, and adjacent positive electrode plates and adjacent negative electrode plates are arranged in a staggered manner.

6. The energy-saving electrostatic adsorption device of claim 4, wherein the electrode sheet comprises a positive electrode sheet and a negative electrode sheet having a plurality of comb-shaped extensions, and the comb-shaped extensions of the positive electrode sheet and the comb-shaped extensions of the negative electrode sheet are staggered.

7. The energy-saving electrostatic adsorption device of any one of claims 5 or 6, wherein the electrode plate has a high voltage terminal connected to a controller, and when the high voltage terminal is electrically connected to the controller, the electrode plate generates an electrostatic field for polarizing charges of the upper dielectric layer.

8. The energy-saving electrostatic adsorption device of claim 4, wherein the upper dielectric layer is a PI layer, a PEEK layer, a glass layer or a ceramic layer, and the upper dielectric layer covers the electrode sheet.

9. The energy-saving electrostatic adsorption device of claim 4, wherein the lower dielectric layer is a heat conducting glue, a glass layer or a ceramic layer.

10. An energy-saving electrostatic adsorption device according to claim 1, wherein said heating element is a PTC heater, the operating voltage thereof is 12 to 220V, and the dry-fire surface temperature thereof is 50 to 300 ℃.