Heating device for conductive adhesive tape production

Abstract

The utility model belongs to the technical field of conductive adhesive tape production, and particularly relates to a heating device for conductive adhesive tape production, which comprises a bottom bin, a bin cover is mounted at an opening of the top of the bottom bin, and a U-shaped bin is fixed between two sides of the top of the bin cover; an air guide assembly is installed at the top of the bin cover and located in an inner cavity of the U-shaped bin, hot air outlet holes are formed in the two sides of the inner wall of the U-shaped bin, metal hoses are installed at the outlet ends of the hot air outlet holes, the air guide assembly comprises two U-shaped pipes which are oppositely arranged, and a row of air outlet holes are formed in the opposite faces of the two transverse pipe ends of each U-shaped pipe. According to the heating device for conductive adhesive tape production, when a U-shaped pipe heats a conductive adhesive tape, the U-shaped pipe moves in a reciprocating mode, so that air outlet holes are in a movable state, the heating area of the conductive adhesive tape is enlarged, heating four corners between every two adjacent air outlet holes are avoided, the conductive adhesive tape is heated more comprehensively and uniformly, and the production efficiency is improved. The product quality stability is ensured, and the product yield is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to conductive adhesive tape production technical field especially, it relates to a heating device for conductive adhesive tape production. BACKGROUND

[0002] As a kind of functional material with both conductivity and bonding characteristics, conductive adhesive tape is widely used in electronic components packaging, electromagnetic shielding, flexible circuit manufacturing and other fields. In its production process, heating process is a key link, directly affecting the gel solidification effect, conductive filler distribution uniformity and the mechanical and electrical properties of final product. At present, fixed heat source (such as static heating plate or fixed hot air nozzle) is generally used in the industry to heat treat conductive adhesive tape.

[0003] Since the heat source is in a fixed state, the contact surface between the heat transfer medium and the conductive adhesive tape is also relatively fixed, which leads to the unevenness of heat transfer. In the heating process, the local area of fixed contact surface may have too high temperature due to excessive heating, while other areas may have low temperature due to insufficient heat transfer;

[0004] This uneven heating phenomenon of local high temperature and local low temperature not only affects the heating efficiency of conductive adhesive tape, but also may lead to unstable product quality. Local overheating may cause unnecessary thermal deformation or thermal degradation of adhesive tape material, thereby affecting its conductivity and physical strength, while local low temperature may cause the adhesive tape to be unable to fully soften or solidify, thereby affecting its subsequent processing and use performance, seriously affecting product yield. SUMMARY

[0005] In order to overcome the defects of the prior art pointed out above, the present inventors have made in-depth research, and after a lot of creative labor, the present utility model is completed.

[0006] Specifically, the technical problem to be solved by the present utility model is to provide a heating device for conductive adhesive tape production to solve the technical problem that the current fixed heat source is generally used to heat treat conductive adhesive tape, which seriously affects product yield.

[0007] To solve the above technical problems, the present utility model provides the following technical solutions:

[0008] A heating device for conductive adhesive tape production, comprising a bottom bin, a bin cover is installed at the top opening of the bottom bin, a U-shaped bin is fixed between the two sides of the top of the bin cover, a group of heating wires are installed in the inside of the U-shaped bin, a fan is installed in the inside of the bottom bin, and the outlet of the fan is communicated with the inside of the U-shaped bin;

[0009] The top of the cover is provided with a wind guide assembly, the inner wall of the U-shaped cover is provided with a hot air outlet on both sides, and a metal hose is arranged at the outlet end of the hot air outlet.

[0010] As an improved technical solution, the wind guide assembly further comprises two translation strips slidingly arranged on the top of the cover, and the U-shaped tube is fixed on the top of the translation strips.

[0011] As an improved technical solution, the wind guide assembly further comprises two guide rails arranged on the top of the cover, and the bottom of the translation strip is provided with a sliding block sliding on the guide rail.

[0012] As an improved technical solution, the wind guide assembly further comprises a mounting shaft rotatingly arranged on the top of the cover, and the mounting shaft is located between the two racks.

[0013] As an improved technical solution, the reciprocating drive source comprises a driving motor arranged on the top of the cover, and the driving end of the driving motor is fixedly connected with a disc.

[0014] As an improved technical solution, the outer edge of the top end surface of the disc is rotatably provided with a hinge shaft one, and one end of the push-pull strip is rotatably arranged on the hinge shaft one.

[0015] As an improved technical solution, the end of the rack close to the push-pull strip is fixedly provided with two shaft blocks, a hinge shaft two is rotatably arranged between the two shaft blocks, and the other end of the push-pull strip is rotatably arranged on the hinge shaft two.

[0016] After the above technical scheme is adopted, the beneficial effects of the present application are as follows:

[0017] 1. The present application is provided with the air outlet on both ends of the horizontal tube, which can simultaneously heat from both sides of the heat-conducting tape, thereby improving the uniformity and comprehensiveness of the heating of the conductive tape.

[0018] 2. The utility model discloses, under the meshing transmission of gear, the U -shaped pipe of one side moves and will drive the U -shaped pipe of the other side also simultaneously move together, that is, one drive source can drive two U -shaped pipes to move simultaneously, be favorable for reducing production and use cost, and, when U -shaped pipe is heating to conductive tape, U -shaped pipe is in reciprocating movement, make the air outlet hole is movable state, expand the heating area of conductive tape, also avoid the heating four corners existing between two adjacent air outlet holes, the heating of conductive tape is more comprehensive and uniform, the temperature distribution of contact surface is more uniform, and the temperature difference is small, guarantee product quality stability, improve product yield. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be to the embodiment description needed to use the drawing briefly introduced, obviously, the following description in the drawing is only some embodiments of the utility model, for those skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings. Wherein:

[0020] Fig. 1 It is the overall structure schematic diagram of the utility model conductive tape production heating device.

[0021] Fig. 2 It is the internal structure schematic diagram of the utility model conductive tape production heating device U-shaped bin.

[0022] Fig. 3 It is the structure schematic diagram of the utility model conductive tape production heating device air guide assembly.

[0023] BRIEF DESCRIPTION OF DRAWINGS:

[0024] 1, bottom bin;2, bin cover;3, U-shaped bin;4, heating wire;5, metal hose;6, air guide assembly;61, guide rail;62, translation bar;63, air outlet hole;64, rack;65, shaft block;66, U-shaped tube;67, disc;68, drive motor;69, hinged shaft one;610, push-pull strip;611, hinged shaft two;612, mounting shaft;613, gear. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0027] Meanwhile, "and / or" or "and / or" appearing in the full text means that it includes three schemes, taking "A and / or B" as an example, including A scheme, or B scheme, or A and B scheme.

[0028] In addition, in the present application, the description such as "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0029] As Figs. 1 to 3 The embodiment provides a heating device for conductive adhesive tape production, the heating device for conductive adhesive tape production, including bottom warehouse 1, the open top of bottom warehouse 1 is installed with warehouse cover 2, the both sides between the top of warehouse cover 2 are fixed with U-shaped warehouse 3, a group of electric heating wire 4 is installed in the inside of U-shaped warehouse 3, the inside of bottom warehouse 1 is installed with fan, and the outlet of fan is connected with the inside of U-shaped warehouse 3, the air inlet is opened on bottom warehouse 1, and the filter screen is installed at the position of the inside of bottom warehouse 1 and opposite the air inlet;

[0030] The top of warehouse cover 2 is installed with air guide assembly 6 in the inner cavity of U-shaped warehouse 3, the both sides of the inner wall of U-shaped warehouse 3 are opened with hot air outlet, and the outlet end of hot air outlet is installed with metal hose 5, meanwhile, the air outlet end of metal hose 5 is connected with the air inlet end of air guide assembly 6, air guide assembly 6 includes two oppositely arranged U-shaped pipes 66, and the air inlet of vertical pipe end of U-shaped pipe 66 is connected with the air outlet of metal hose 5, a row of air outlet holes 63 is opened on the opposite surface of the two horizontal pipe ends of U-shaped pipe 66, U-shaped pipe 66 is arranged in U-shaped, and air outlet hole 63 is opened on the two horizontal pipe ends, that is, air outlet heating can be carried out from the double sides of heat-conducting adhesive tape, which is beneficial to improve the uniformity and comprehensiveness of conductive adhesive tape heating, and the two U-shaped pipes 66 are used for heating conductive adhesive tape, which is beneficial to improve the heating effect of conductive adhesive tape.

[0031] As Figs. 1 to 3As shown in the drawings, in the embodiment, the air guide assembly 6 further comprises two translation bars 62 slidingly installed on the top of the cover 2, and a U-shaped tube 66 is fixed on the top of the translation bar 62, the opposite faces of the two translation bars 62 are respectively provided with a rack 64, and the air guide assembly 6 further comprises a reciprocating driving source for driving the translation bar 62 to move, and the active end of the reciprocating driving source is connected with one end of the rack 64.

[0032] As shown in the drawings, Fig. 3 in the embodiment, the air guide assembly 6 further comprises two guide rails 61 installed on the top of the cover 2, and the bottom of the translation bar 62 is provided with a sliding block sliding on the guide rail 61.

[0033] As shown in the drawings, Fig. 3 in the embodiment, the air guide assembly 6 further comprises a mounting shaft 612 rotatably installed on the top of the cover 2, and the mounting shaft 612 is located between the two racks 64, and the mounting shaft 612 is provided with a gear 613 rotatably installed on one end close to the rack 64, and the gear 613 is engaged with the rack 64, and one driving source can simultaneously drive the two U-shaped tubes 66 to move, which is beneficial to reduce the production and use cost.

[0034] As shown in the drawings, Fig. 3 in the embodiment, the reciprocating driving source comprises a driving motor 68 installed on the top of the cover 2, the driving end of the driving motor 68 is fixedly connected with a disc 67, and the top of the disc 67 is hingedly connected with one end of one rack 64, and the disc 67 is provided with a push-pull bar 610 hingedly installed between the top and the one end of the rack 64, when the U-shaped tube 66 heats the conductive adhesive tape, the U-shaped tube 66 is in reciprocating movement, so that the air outlet hole 63 is in a movable state, the heating area of the conductive adhesive tape is expanded, the heating corners between the adjacent two air outlet holes 63 are avoided, the conductive adhesive tape is heated more comprehensively and uniformly, the temperature distribution of the contact surface is more uniform, the temperature difference is small, the product quality stability is ensured, and the product yield is improved.

[0035] As shown in the drawings, Fig. 3 in the embodiment, the outer extending edge of the top end face of the disc 67 is rotatably installed with a hinge shaft one 69, and one end of the push-pull bar 610 is rotatably installed on the hinge shaft one 69.

[0036] As shown in the drawings, Fig. 3 in the embodiment, the one end of the rack 64 close to the push-pull bar 610 is fixedly provided with two shaft blocks 65, the two shaft blocks 65 are rotatably installed with a hinge shaft two 611, and the other end of the push-pull bar 610 is rotatably installed on the hinge shaft two 611.

[0037] In use, the conductive adhesive tape passes through the inside of the U-shaped bin 3 and the inner cavities of the two U-shaped tubes 66, the fan is turned on to pump external air into the inside of the bottom bin 1 and into the inner cavities of the U-shaped bin 3, the air is heated by the electric heating wire 4 in the U-shaped bin 3 to a preset temperature, and the heated air enters the inside of the U-shaped tube 66 through the metal hose 5 and is sprayed out of the air outlet hole 63 to the conductive adhesive tape;

[0038] The driving motor 68 drives the disc 67 to rotate, the push-pull strip 610 is hingedly installed between the disc 67 and the rack 64, in the state that the disc 67 rotates, the rack 64 is reciprocatingly pulled to move forward and backward by the push-pull strip 610, then the translation strip 62 is reciprocatingly moved along the guide rail 61, then the U-shaped tube 66 is moved forward and backward, and under the meshing transmission of the gear 613, the movement of one side of the U-shaped tube 66 drives the other side of the U-shaped tube 66 to move together, and when the U-shaped tube 66 heats the conductive adhesive tape, the U-shaped tube 66 is reciprocatingly moved, so that the air outlet hole 63 is in a movable state, and the heating area of the conductive adhesive tape is expanded.

[0039] It should be understood that the use of these embodiments is only for illustrating the present application and is not intended to limit the protection scope of the present application. In addition, it should also be understood that after reading the technical content of the present application, those skilled in the art can make various changes, modifications and / or variations to the present application, and all these equivalent forms also fall within the protection scope defined by the appended claims of the present application.

Claims

1. A heating device for producing an electrically conductive adhesive tape, characterized by: The utility model provides a bottom bin (1), the top of bin (1) is equipped with the bin cover (2) at the open place, the both sides of the top of bin (2) are fixed with U-shaped bin (3), the inside of U-shaped bin (3) is equipped with a group of electric heating wire (4), the inside of bottom bin (1) is equipped with fan, and the export of fan is connected with the inside of U-shaped bin (3); The top of bin (2) is equipped with air guide assembly (6) in the inner chamber of U-shaped bin (3), the both sides of the inner wall of U-shaped bin (3) are provided with hot air outlet, and the export end of hot air outlet is equipped with metal hose (5), meanwhile, the air outlet end of metal hose (5) is connected with the air inlet end of air guide assembly (6), the air guide assembly (6) includes two oppositely arranged U-shaped pipes (66), and a row of air outlet holes (63) are formed in the opposite surfaces of the two transverse pipe ends of U-shaped pipe (66).

2. The heating device for producing an electroconductive adhesive tape according to claim 1, characterized by: The air guide assembly (6) further includes two translation bars (62) slidingly installed on the top of bin (2), and the U-shaped pipe (66) is fixed on the top of translation bar (62), the opposite surfaces of the two translation bars (62) are both equipped with a rack (64), and the air guide assembly (6) further includes a reciprocating drive source for driving the translation bar (62) to move, and the movable end of the reciprocating drive source is connected with one end of the rack (64).

3. The heating device for producing an electroconductive adhesive tape according to claim 2, characterized by: The air guide assembly (6) further includes two guide rails (61) installed on the top of bin (2), and the bottom of the translation bar (62) is equipped with a sliding block sliding on the guide rail (61).

4. The heating device for producing an electroconductive adhesive tape according to claim 3, wherein: The air guide assembly (6) further includes a mounting shaft (612) rotatably installed on the top of bin (2), and the mounting shaft (612) is located between the two racks (64), and one end of the mounting shaft (612) close to the rack (64) is equipped with a gear (613) engaged with the rack (64).

5. The heating device for producing an electroconductive adhesive tape according to claim 4, wherein: The reciprocating drive source includes a driving motor (68) installed on the top of bin (2), and the driving end of the driving motor (68) is fixedly connected with a disc (67), and the top of the disc (67) is hingedly installed with a push-pull bar (610) between one end of one rack (64).

6. The heating device for producing an electroconductive adhesive tape according to claim 5, wherein: The outer edge of the top end surface of the disc (67) is rotatably installed with a hinged shaft one (69), and one end of the push-pull bar (610) is rotatably installed on the hinged shaft one (69).

7. The heating device for producing an electroconductive adhesive tape according to claim 6, wherein: One end of the rack (64) close to the push-pull bar (610) is fixedly provided with two shaft blocks (65), and the hinged shaft two (611) is rotatably installed between the two shaft blocks (65), and the other end of the push-pull bar (610) is rotatably installed on the hinged shaft two (611).

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