CN112078176A

CN112078176A - Electronic product pressing device protected by electrorheological fluid

Info

Publication number: CN112078176A
Application number: CN202010825712.2A
Authority: CN
Inventors: 袁美萍
Original assignee: Zhejiang Yuanheng Electronic Technology Co ltd
Current assignee: Zhejiang Yuanheng Electronic Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2020-12-15
Anticipated expiration: 2040-08-17
Also published as: CN112078176B

Abstract

The invention relates to the technical field of electronic product processing equipment, and discloses an electronic product pressing device protected by electrorheological fluid, which comprises a sliding frame, pressing plates and supporting tables, wherein the pressing plates are positioned at the top of the sliding frame; lose ascending holding power, and then reach the purpose of protection electronic product, in addition, be equipped with two symmetrical positive and negative electrodes in the electrorheological fluids, two electrodes correspond two enamelled copper posts and two conductive sleeve II, when the laminating face appears inclining, the exposed end on two enamelled copper posts can not contact with two conductive sleeve II simultaneously, make the electrode in the electrorheological fluids can not form the route, and then when the laminating face takes place the slope, also can reach the purpose of protecting the electronic product, promote the yields of electronic product in the pressfitting process greatly.

Description

Electronic product pressing device protected by electrorheological fluid

Technical Field

The invention relates to the technical field of electronic product processing equipment, in particular to an electronic product pressing device protected by electrorheological fluid.

Background

At present, along with the more and more diversification of electronic products, the requirement for electronic product manufacturing is higher and higher, and among the prior art, in the production step of electronic products, can adopt compression fittings to carry out accurate, stable operation that compresses tightly to chip, PCB board, pencil etc. among the electronic products usually.

Among the prior art, when requiring the higher part of pressfitting precision to such as chip or PCB board to carry out the pressfitting, because electronic product is direct to be carried out the pressfitting by the pressfitting board on a supporting bench, when too big or the pressfitting angle of pressfitting dynamics appears inclining, electronic product is easily caused the damage by too big pressure, thereby lead to the promotion of defective products rate, in addition, at the in-process of pressfitting, because the effect of pressure, electronic product easily takes place to remove, further cause the promotion of defective products rate, thereby promote electronic product's processing cost.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an electronic product pressing device protected by electrorheological fluid, which has the advantages of protecting an electronic product by the electrorheological fluid, automatically reducing the pressure born by the electronic product and converting the downward pressure into transverse clamping force when the pressure is too high or the pressing surface is inclined, clamping the electronic product, avoiding the electronic product from moving and shaking, and solving the problems that the electronic product is easily damaged by the too high pressure and the defective rate is increased when the pressing force is too high or the pressing angle is inclined, in addition, in the pressing process, the electronic product is easily moved due to the action of the pressure, the defective rate is further increased, and the processing cost of the electronic product is increased.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an electronic product pressing device protected by electrorheological fluid comprises a sliding frame, a pressing plate and a supporting table, the pressing plate is positioned at the top of the sliding frame, the support platform is positioned inside the sliding frame, the bottom of the sliding frame is connected with sliding plates in a sliding way, the sliding frame is provided with four sliding frames, the four sliding frames are symmetrically distributed along the center and are mutually connected through the sliding plates, the outer side wall of the sliding frame is fixedly connected with a sliding block, one side of the outer side wall of the sliding frame, which is far away from the sliding block, is fixedly connected with a supporting rod, both sides of the supporting rod are fixedly connected with spring columns, one end of each spring column is fixedly connected with a top plate, one end of the top plate is fixedly connected with an air spring, the telescopic end of the air spring is fixedly connected with a supporting seat, and one side of the supporting seat is fixedly connected with a clamping plate;

the bottom fixedly connected with pressfitting piece of pressfitting board, the lateral wall fixedly connected with fixture block of pressfitting board, the bottom fixedly connected with enameled copper post of fixture block, the lateral wall of enameled copper post has the exposed end, the intussuseption of brace table is filled with the electrorheological fluid, the flexible holding surface of top fixedly connected with of brace table, the bottom fixedly connected with terminal of brace table, the top fixedly connected with electrode of terminal, the lateral wall fixedly connected with conductive sleeve of terminal is first, the lateral wall fixedly connected with of conductive sleeve is led electrical pillar, the one end fixedly connected with conductive sleeve of leading electrical pillar is second, the enameled copper post is located the inside wall of conductive sleeve is second, the enameled copper post with two sliding connection of conductive sleeve.

Preferably, the top of the sliding frame is fixedly connected with a sliding buckle, the outer side wall of the sliding plate is provided with a sliding groove, and the sliding buckle slides along the sliding groove.

Preferably, the sliding plates are in an L-shaped plate body structure, and the number of the sliding plates is four.

Preferably, the top surface of the sliding block is provided with an arc-shaped part, and the fixture block is positioned at the top of the sliding block.

Preferably, the number of the clamping plates is eight, wherein two clamping plates are in one group and are symmetrically distributed with reference to the center of the flexible supporting surface.

Preferably, the flexible support surface is composed of a square-structured PET film.

Preferably, the number of the binding posts is two, the two binding posts respectively correspond to the two electrodes, and the two electrodes are positive and negative electrodes respectively.

(III) advantageous effects

Compared with the prior art, the invention provides an electronic product pressing device protected by electrorheological fluid, which has the following beneficial effects:

1. the electronic product pressing device protected by the electrorheological fluid utilizes the characteristics of the electrorheological fluid, when the device is electrified, the electrorheological fluid is changed into a solid under the action of an electric field, so that a flexible supporting surface on a supporting table is supported by the electrorheological fluid to form a supporting surface for an electronic product, a pressing block above the supporting table downwards applies pressure to the electronic product, the flexible supporting surface upwards applies supporting force to the electronic product to achieve the aim of pressing, when the pressing force is overlarge, an exposed end on an enameled copper column is pressed downwards by the pressure, so that the exposed end is not contacted with a conductive sleeve, a closed circuit is formed, the electrorheological fluid loses the action of the electric field and is changed into liquid, the flexible supporting surface loses the support of the electrorheological fluid, and the electronic product on the flexible supporting surface is sunk into the flexible supporting surface and loses the upward supporting force to further achieve the aim of protecting the electronic product, two symmetrical positive and negative electrodes are arranged in the electrorheological fluid, the two electrodes correspond to the two enameled copper columns and the two conductive sleeves II, when the pressing surface inclines, the exposed ends of the two enameled copper columns cannot be simultaneously contacted with the two conductive sleeves II, so that the electrodes in the electrorheological fluid cannot form a passage, and further when the pressing surface inclines, the purpose of protecting an electronic product can be achieved, and the yield of the electronic product in the pressing process is greatly improved.

2. The electronic product pressing device protected by electrorheological fluid is characterized in that the sliding block is arranged on the outer side of the sliding frame, the clamping block is arranged on the outer side of the pressing plate, the clamping block on the pressing plate is contacted with the sliding block on the sliding frame in the descending process of the pressing plate, the sliding frame is driven to slide inwards due to the arc-shaped surface on the sliding block, the sliding frame drives the supporting rod to move inwards, the supporting rod extrudes the clamping plate on the supporting seat under the combined action of the spring column and the gas spring, so that the clamping plate applies pressure to the electronic product outwards, and when the pressing plate moves downwards, the clamping plate applies pressure outwards at the same time, so that the electronic product can be better fixed on the pressing table board, the phenomena of moving and shaking of the electronic product in the pressing process are avoided, and the yield of the electronic product in the processing process is further improved, the processing cost of the electronic product is effectively reduced.

Drawings

FIG. 1 is a top view of the carriage and support platform of the present invention;

FIG. 2 is a front view of the sliding frame and the pressing plate of the present invention;

FIG. 3 is a cross-sectional view of a support platform according to the present invention;

FIG. 4 is a diagram showing the relationship between the exposed end of the enameled copper post and the second conductive sleeve when the laminated board is pressed;

FIG. 5 is an enlarged view of FIG. 1 taken at A.

In the figure: 1. a carriage; 11. a sliding plate; 12. a sliding buckle; 13. a chute; 2. a slider; 3. a support bar; 31. a spring post; 32. a top plate; 33. a gas spring; 34. a supporting seat; 35. a clamping plate; 4. pressing the plywood; 41. pressing blocks; 42. a clamping block; 43. enamelling a copper column; 44. an exposed end; 5. a support table; 51. electrorheological fluid; 52. a flexible support surface; 6. a binding post; 61. an electrode; 62. a first conductive sleeve; 63. a conductive post; 64. and a second conductive sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, an electronic product pressing device protected by electrorheological fluid comprises a sliding frame 1, a pressing plate 4 and a supporting platform 5, wherein the pressing plate 4 is located on the top of the sliding frame 1, a sliding buckle 12 is fixedly connected on the top of the sliding frame 1, a sliding chute 13 is formed on the outer side wall of the sliding plate 11, the sliding buckle 12 slides along the sliding chute 13, the sliding plate 11 is in an L-shaped plate structure, the sliding plate 11 is provided with four sliding plates 11, the four sliding plates 11 and the four sliding frames 1 form a square frame body with a variable area, the supporting platform 5 is located inside the sliding frame 1, the sliding plate 11 is slidably connected on the bottom of the sliding frame 1, the sliding frame 1 is provided with four sliding frames 1, the four sliding frames 1 are symmetrically distributed along the center, the four sliding frames 1 are connected with each other through the sliding plates 11, the, the sliding block 2 is driven by a clamping block 42 and slides inwards along an upper arc part, one side, away from the sliding block 2, of the outer side wall of the sliding frame 1 is fixedly connected with a supporting rod 3, two sides of the supporting rod 3 are fixedly connected with spring columns 31, one end of each spring column 31 is fixedly connected with a top plate 32, one end of each top plate 32 is fixedly connected with an air spring 33, a telescopic end of each air spring 33 is fixedly connected with a supporting seat 34, one side of each supporting seat 34 is fixedly connected with clamping plates 35, and the clamping plates 35 are eight in number, wherein the two clamping plates 35 are in a group and are symmetrically distributed with reference to the center of the flexible supporting surface 52, the eight clamping plates 35 simultaneously clamp the electronic product, and the stability;

the bottom of the laminated board 4 is fixedly connected with a laminating block 41, the outer side wall of the laminated board 4 is fixedly connected with a fixture block 42, the fixture block 42 is electrically connected with an external power supply (not shown in the figure) through a lead, the bottom of the fixture block 42 is fixedly connected with an enameled copper column 43, the outer side wall of the enameled copper column 43 is provided with an exposed end 44, electrorheological fluid 51 is filled in the support table 5, the top of the support table 5 is fixedly connected with a flexible support surface 52, the flexible support surface 52 is composed of a square PET film, the PET film has good flexibility, the state of the flexible support surface 52 can be synchronously changed according to the state of the electrorheological fluid 51 below, the bottom of the support table 5 is fixedly connected with two binding posts 6, the two binding posts 6 are arranged, the two binding posts 6 respectively correspond to the two electrodes 61, the two electrodes 61 are respectively, the outer side wall of the binding post 6 is fixedly connected with a first conductive sleeve 62, the outer side wall of the first conductive sleeve 62 is fixedly connected with a conductive column 63, one end of the conductive column 63 is fixedly connected with a second conductive sleeve 64, the enameled copper column 43 is located on the inner side wall of the second conductive sleeve 64, and the enameled copper column 43 is connected with the second conductive sleeve 64 in a sliding mode.

The working principle is as follows: when the electronic product clamping device is used, firstly, an electronic product is placed above the flexible supporting surface 52, and the clamping plates 35 around the flexible supporting surface 52 clamp four surfaces of the electronic product.

Please refer to fig. 1 for the above structure and process.

After the electronic product is fixed to be accomplished, start the pressfitting board 4, make pressfitting board 4 drive the pressfitting piece 41 of below carry out the pressfitting to the electronic product on the brace table 5, at the in-process of pressfitting, fixture block 42 on the pressfitting board 4 and the contact of sliding block 2 on the carriage 1, because the last arc portion that has of sliding block 2, make fixture block 42 at the in-process of lapse, drive carriage 1 and inwards slide, make carriage 1 drive bracing piece 3 rebound again, make bracing piece 3 under the combined action of spring post 31 and gas spring 33, extrude grip block 35 on the supporting seat 34, make grip block 35 outwards exert pressure to the electronic product, avoid the phenomenon that the electronic product appears removing and rocking.

Please refer to fig. 2 and 5 for the above structure and process.

Meanwhile, in the process that the fixture block 42 moves downwards, the enameled copper column 43 at the bottom of the fixture block 42 also moves along with the fixture block, so that the exposed end 44 on the enameled copper column 43 gradually moves towards the second conductive sleeve 64 on the conductive column 63, when the electronic product is just pressed, the exposed end 44 is in contact with the second conductive sleeve 64, the current on the enameled copper column 43 enters the conductive column 63 from the exposed end 44, and then enters the electrode 61 on the binding post 6 from the conductive column 63, so that the electrorheological fluid 51 forms a passage, at this time, the electrorheological fluid 51 becomes a solid under the action of an electric field, so that the flexible supporting surface 52 on the supporting table 5 is supported by the electrorheological fluid 51, a supporting surface for the electronic product is formed, the pressing block 41 above downwards applies pressure to the electronic product, and the flexible supporting surface 52 upwards applies supporting force to the electronic product, thereby achieving the purpose of pressing.

The structure and process are shown in fig. 2 to 4.

When the pressing force is too large, the exposed end 44 on the enameled copper column 43 is pressed down by pressure, so that the exposed end 44 is not in contact with the second conductive sleeve 64, a closed circuit is formed, the electrorheological fluid 51 loses the effect of the electric field and becomes liquid, the flexible supporting surface 52 loses the support of the electrorheological fluid 51, the electronic product on the flexible supporting surface 52 is sunk into the flexible supporting surface 52, and meanwhile, the upward supporting force is lost, and the purpose of protecting the electronic product is achieved.

The structure and process are shown in fig. 2 to 4.

When the pressing surfaces incline, the exposed ends 44 of the two enameled copper columns 43 cannot contact with the two conductive sleeves 64 at the same time, so that the electrodes 61 in the electrorheological fluid 51 cannot form a passage, the electrorheological fluid 51 loses the effect of an electric field and becomes liquid, the flexible supporting surface 52 loses the support of the electrorheological fluid 51, and the electronic product on the flexible supporting surface 52 falls into the flexible supporting surface 52 and loses upward supporting force at the same time, thereby achieving the purpose of protecting the electronic product.

The structure and process are shown in fig. 2 to 4.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an utilize electrorheological fluids protection's electronic product compression fittings, includes carriage (1), pressfitting board (4) and brace table (5), pressfitting board (4) are located the top of carriage (1), brace table (5) are located the inside of carriage (1), its characterized in that: the bottom of the sliding frame (1) is connected with sliding plates (11) in a sliding manner, the number of the sliding frames (1) is four, the four sliding frames (1) are distributed along the center in a symmetrical manner, the four sliding frames (1) are connected with each other through the sliding plates (11), the outer side wall of the sliding frame (1) is fixedly connected with a sliding block (2), one side of the outer side wall of the sliding frame (1) far away from the sliding block (2) is fixedly connected with a supporting rod (3), both sides of the supporting rod (3) are fixedly connected with spring columns (31), one end of each spring column (31) is fixedly connected with a top plate (32), one end of the top plate (32) is fixedly connected with an air spring (33), the telescopic end of the air spring (33) is fixedly connected with a supporting seat (34), and one side of the supporting seat (34) is fixedly connected with a clamping plate (35);

the bottom fixedly connected with pressfitting piece (41) of pressfitting board (4), lateral wall fixedly connected with fixture block (42) of pressfitting board (4), the bottom fixedly connected with enameled copper post (43) of fixture block (42), the lateral wall of enameled copper post (43) has exposed end (44), the inside packing of brace table (5) has electrorheological fluid (51), the top fixedly connected with flexible holding surface (52) of brace table (5), the bottom fixedly connected with terminal (6) of brace table (5), the top fixedly connected with electrode (61) of terminal (6), the lateral wall fixedly connected with electric conduction sleeve (62) of terminal (6), the lateral wall fixedly connected with of electric conduction sleeve (62) leads electrical pillar (63), the one end fixedly connected with electric conduction sleeve two (64) of leading electrical pillar (63), the enameled copper column (43) is located on the inner side wall of the second conductive sleeve (64), and the enameled copper column (43) is connected with the second conductive sleeve (64) in a sliding mode.

2. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the top of the sliding frame (1) is fixedly connected with a sliding buckle (12), the outer side wall of the sliding plate (11) is provided with a sliding groove (13), and the sliding buckle (12) slides along the sliding groove (13).

3. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the sliding plates (11) are of L-shaped plate body structures, and the number of the sliding plates (11) is four.

4. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the top surface of sliding block (2) has arc portion, fixture block (42) are located the top of sliding block (2).

5. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the number of the clamping plates (35) is eight, wherein two clamping plates (35) form a group and are symmetrically distributed according to the center of the flexible supporting surface (52).

6. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the flexible support surface (52) consists of a square-structured PET film.

7. The electronic product laminating device protected by the electro-rheological fluid according to claim 1, wherein: the wiring terminal (6) is provided with two, the two wiring terminals (6) correspond to the two electrodes (61) respectively, and the two electrodes (61) are positive and negative electrodes respectively.