Adhesive tape pasting device for plate-shaped product

Abstract

The utility model discloses an adhesive tape pasting device for a plate-shaped product, which comprises an upper plate and a lower plate, and a plurality of springs are arranged between the upper plate and the lower plate; the upper plate is provided with a groove for containing the rubber strip, the lower plate is provided with a protruding supporting strip, and the supporting strip is opposite to the groove of the upper plate in position. The spring can jack up the upper plate upwards, and the supporting strip is located below the groove. When the upper plate is pressed downwards, the supporting strips are inserted into the grooves and jack up the rubber strips in the grooves upwards. According to the utility model, the upper plate is used for accommodating the adhesive tape, the accuracy of the position of the adhesive tape is ensured, and the supporting strip of the lower plate is used for ejecting the adhesive tape into the adhesive tape placing groove of the plate-shaped product, so that the adhesive tape and glue can be fully attached and solidified, the uniform attachment of the sealing strip is ensured, the sealing property and reliability of the fuel cell are further improved, and the service life of the product is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to adhesive tape sticking technical field, especially relate to a board type product adhesive tape sticking device. BACKGROUND

[0002] Fuel cell and electrolytic tank are two important products of hydrogen energy industry chain. The structures of both are similar, and both include bipolar plate, polar frame, membrane electrode, sealing gasket and the like. In use, since hydrogen is small in density and easy to diffuse, the requirement for sealing is very high, for example, sealing adhesive tape needs to be installed on the board type products such as bipolar plate and polar frame.

[0003] The difficulty of sealing adhesive tape of fuel cell stack and proton exchange membrane electrolytic tank is usually high-precision sticking, and slight deviation may lead to poor sealing, especially the proton exchange membrane electrolytic tank usually operates under high pressure, which is prone to leakage. However, at present, most of the sealing adhesive tapes are manually operated, and the manual adhesive tape sticking operation is prone to problems, leading to increased rework rate, and is highly dependent on the skill of workers. There are also automatic adhesive tape sticking automatic devices on the market, but such devices usually have a very complex structure, and the overall production precision and consistency are general, and the processing cost is high. SUMMARY

[0004] In order to solve the above problems, the utility model provides a board type product adhesive tape sticking device, which can automatically complete adhesive tape sticking and improve sealing performance.

[0005] Therefore, the technical scheme of the utility model is as follows: a board type product adhesive tape sticking device, comprising an upper plate and a lower plate, a plurality of springs are arranged between the upper plate and the lower plate; the upper plate is provided with a groove for accommodating adhesive tape, and the lower plate is provided with a protruding support strip, the support strip is opposite to the groove position of the upper plate; the spring can lift the upper plate upward, and the support strip is located below the groove; when the upper plate is pressed downward, the support strip is inserted into the groove, and the adhesive tape in the groove is lifted upward.

[0006] On the basis of the above scheme and as a preferred scheme of the above scheme: the depth of the groove at the upper plate is greater than the thickness of the adhesive tape, and the difference is greater than 0.3mm; when the upper plate is pressed downward, the support strip is inserted into the groove, and the remaining depth of the groove is equal to the thickness of the adhesive tape.

[0007] On the basis of the above scheme and as a preferred scheme of the above scheme: a plurality of first positioning holes are arranged on the upper plate, and a limiting step surface is arranged in the first positioning hole; a first positioning screw hole is arranged on the lower plate, and a positioning bolt passes through the first positioning hole and is threadedly connected with the first positioning screw hole; under the action of the spring, the limiting step surface abuts against the head of the positioning bolt.

[0008] On the basis of the above scheme and as a preferred scheme of the above scheme: the upper plate or the lower plate is provided with a heating groove, and a resistance wire is embedded in the heating groove.

[0009] On the basis of the above scheme and as a preferred scheme of the above scheme: the upper plate and the lower plate are provided with positioning pin holes for positioning the plate-shaped product.

[0010] On the basis of the above scheme and as a preferred scheme of the above scheme: further comprising a hydraulic device, the hydraulic device is provided with a pressing plate, and the upper plate and the lower plate are arranged below the pressing plate.

[0011] In use:

[0012] S1, uniformly dispensing glue in the glue strip setting groove of the plate-shaped product;

[0013] S2, placing the glue strip in the groove of the upper plate;

[0014] S3, positioning the plate-shaped product after aligning the glue-applied side of the plate-shaped product with the upper plate and the lower plate through the positioning pin;

[0015] S4, starting the hydraulic device, and the pressing plate moves downward and presses the upper plate, and the upper plate descends, and the supporting strip on the lower plate is inserted into the groove upward and the glue strip is lifted upward to be attached to the glue in the glue strip setting groove;

[0016] S5, after continuously pressing for a period of time, the glue solidifies, the glue strip is automatically fixed on the plate-shaped product, and the glue strip attaching process is completed. The resistance wire on the upper plate or the lower plate can be powered to heat, accelerating the solidification of the glue between the glue strip and the plate-shaped product.

[0017] According to the shape of the glue strip setting groove on the plate-shaped product such as bipolar plate / pole frame, the shape of the groove on the upper plate is designed, so that when the bipolar plate / pole frame is positioned with the upper plate through the positioning pin, the glue strip in the groove can be aligned with the glue strip setting groove on the bipolar plate / pole frame, so that when pressed, the supporting strip of the lower plate lifts the glue strip to be pressed into the glue strip setting groove, and is fixed by the glue, and the glue strip attaching process is completed.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The upper plate contains the glue strip, ensuring the accuracy of the position of the glue strip, and the supporting strip of the lower plate lifts the glue strip into the glue strip setting groove of the plate-shaped product, so that the glue strip can be fully attached to the glue and solidified, ensuring uniform attachment of the sealing strip, thereby improving the sealing performance and reliability of the fuel cell and prolonging the service life of the product.

[0020] 2. The upper plate and the lower plate can be matched according to the plate-shaped product, and then a conventional hydraulic device can be matched for use, so that the device cost is low and the universality is strong, and it is suitable for attaching glue strips to various types and specifications of plate-shaped products.

[0021] 3. The resistance wire is embedded in the periphery of the upper plate or the lower plate, is used for heating, is used for accelerating the curing of the glue between the glue strip and the plate type product, and improves the bonding speed and bonding quality of the glue. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structure schematic view of the utility model;

[0023] Figure 2 It is a structure schematic view of the utility model; Figure 1

[0024] Figure 3 It is an exploded view of the utility model parts;

[0025] Figure 4 It is a structure sectional view of the utility model;

[0026] Figure 5 It is a structure schematic view of the utility model pole frame assembly time;

[0027] Figure 6 It is a structure sectional view of the utility model pole frame assembly time;

[0028] Figure 7 It is an exploded view of the utility model parts when pole frame assembly time;

[0029] Figure 8 It is a hydraulic state schematic view of the utility model.

[0030] Marked as in the drawing: upper plate 1, first positioning hole 11, stepped surface 12, recess 13, first positioning pin hole 14, lower plate 2, first positioning screw hole 21, spring fixing hole 22, support strip 23, second positioning pin hole 24, positioning bolt 3, threaded section 31, smooth section 32, bolt head 33, spring 4, pole frame 5, glue strip setting groove 51, glue strip 6, hydraulic equipment 7, pressing plate 71, positioning pin 8. DETAILED DESCRIPTION

[0031] In the description of the utility model, it needs to be explained that for the orientation words, such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawing, which is only for the convenience of narrating the utility model and simplifying the description, and is not used to indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and cannot be understood as limiting the specific protection scope of the utility model.

[0032] ​In addition, the terms "first", "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the definition of "first", "second" features can explicitly or implicitly include one or more features, and in the description of the utility model, the meaning of "several", "several" is two or more than two, unless otherwise explicitly specified.

[0033] Referring to the drawings. The present embodiment takes the pole frame as an example, which is used for pasting the adhesive tape 6 on the pole frame 5.

[0034] The adhesive tape pasting device described in the present embodiment comprises an upper plate 1 and a lower plate 2, the upper plate 1 is provided with a plurality of first positioning holes 11, a ring of stepped surfaces 12 is arranged in the first positioning hole 11, which is divided into a large diameter section and a small diameter section; the lower plate 2 is provided with a first positioning screw hole 21, the first positioning screw hole 21 is opposite to the first positioning hole 11, and the two are connected through a positioning bolt 3; the bottom of the positioning bolt 3 is a threaded section 31, the middle is a smooth section 32, and the top is a bolt head 33, the threaded section 31 is threadedly fixed with the first positioning screw hole 21 of the lower plate, the first positioning hole 11 is sleeved on the smooth section 32 and can move along the smooth section 32, and the outer diameter of the bolt head 33 is greater than the small diameter section of the first positioning hole 11, so as to abut against the stepped surface 12 and limit the moving distance of the upper plate 1.

[0035] A plurality of springs 4 are arranged between the upper plate 1 and the lower plate 2, a plurality of spring fixing holes 22 are arranged at the edges of the opposite sides of the upper plate 1 and the lower plate 2, the two ends of the spring 4 are respectively arranged in the two spring fixing holes, the spring 4 can support the upper plate 1, so that there is a gap between the upper plate 1 and the lower plate 2 in the initial stage, that is, the upper plate 1 is lifted, so that the stepped surface 12 in the first positioning hole 11 abuts against the lower end of the bolt head 33.

[0036] The upper plate 1 is provided with a recess 13 for accommodating the adhesive tape 6, the shape and position of the recess 13 are consistent with the adhesive tape accommodating groove 51 on the pole frame 5, and the depth of the recess 13 is greater than the thickness of the adhesive tape 6, and the difference is more than 0.3mm, which facilitates the insertion of the adhesive tape 6; the lower plate 2 is provided with a protruding support strip 23, the support strip 23 is opposite to the recess 13 of the upper plate 1; the spring 4 can lift the upper plate 1 upward, at this time the support strip 23 is located below the recess 13; when the upper plate 1 is pressed down, the support strip 23 is inserted into the recess 13, at this time the remaining depth of the recess 13 is equal to the thickness of the adhesive tape 6, that is, the support strip 23 lifts the adhesive tape 6 in the recess 13 upward, so that the adhesive tape 6 is flush with the upper surface of the upper plate 1.

[0037] A ring of heating grooves (not shown in the figure) is arranged around the edge of the upper plate 1 or the lower plate 2, and a resistance wire is embedded in the heating groove. The resistance wire is used for heating to accelerate the curing of the glue between the adhesive tape and the plate product, and improve the bonding rate and bonding quality of the glue.

[0038] The first positioning pin hole 14 and the second positioning pin hole 24 are arranged at the four top corners of the upper plate 1 and the lower plate 2, and are opposite to the hole positions of the four top corners of the pole frame 5, so that the pole frame 5 is positioned by the positioning pin 8.

[0039] The adhesive strip pasting comprises the following steps:

[0040] S1, uniformly dispensing glue in the adhesive strip setting groove 51 of the pole frame 5 by using a glue dispenser, and keeping the glue amount and interval uniform;

[0041] S2, placing the adhesive strip 6 in the recess 13 of the upper plate 1, and making the position of the adhesive strip 6 in the middle of the recess 13 of the upper plate;

[0042] S3, making the glue-coated side of the pole frame 5 face the upper plate 1, and aligning the pole frame 5 with the upper plate 1 and the lower plate 2, and positioning by the positioning pin to prevent the pole frame 5 from being deviated, at this time, the position of the adhesive strip 6 is opposite to the adhesive strip setting groove 51 of the pole frame 5;

[0043] S4, placing the assembled upper plate 1, lower plate 2 and pole frame 5 on the workbench of the hydraulic device 7, starting the hydraulic device, and driving the pressing plate 71 to move downward, and pressing the pressing plate 71 on the upper plate 1, driving the upper plate 1 to descend, thereby reducing the interval between the upper plate 1 and the lower plate 2, so that the support strip 23 on the lower plate 2 is inserted into the recess 13, and the adhesive strip 6 is lifted upward, so that the adhesive strip 6 is attached to the glue on the adhesive strip setting groove 51 of the pole frame 5;

[0044] S5, after continuously pressing for a period of time, the glue solidifies, the adhesive strip 6 is automatically fixed on the pole frame 5, and the adhesive strip pasting process is completed. At the same time, in order to accelerate the solidification of the glue, the resistance wire on the upper plate can be electrified, and after the resistance wire is electrified and heated, the solidification of the glue between the adhesive strip and the plate-shaped product can be accelerated, and the working efficiency of the adhesive strip pasting is improved.

[0045] The above only describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any technical solutions falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A strip bonding device for panel products, characterized in that: It includes an upper plate and a lower plate, with several springs between the upper and lower plates; the upper plate has a groove for accommodating the rubber strip, and the lower plate has a protruding support strip, with the support strip positioned opposite to the groove on the upper plate; the springs can lift the upper plate upwards, and the support strip is located below the groove; when the upper plate is pressed down, the support strip is inserted into the groove and lifts the rubber strip inside the groove upwards.

2. The adhesive strip bonding device for panel products as described in claim 1, characterized in that: The depth of the groove on the upper plate is greater than the thickness of the rubber strip, and the difference is greater than 0.3mm; when the upper plate is pressed down, the support strip is inserted into the groove, and the remaining depth of the groove is equal to the thickness of the rubber strip.

3. The adhesive strip bonding device for panel products as described in claim 1, characterized in that: The upper plate is provided with a plurality of first positioning holes, and a limiting step surface is provided in the first positioning hole; the lower plate is provided with a first positioning screw hole, and the positioning bolt passes through the first positioning hole and is threadedly engaged with the first positioning screw hole; under the action of the spring, the limiting step surface abuts against the head of the positioning bolt.

4. The adhesive strip bonding device for panel products as described in claim 1, characterized in that: A heating groove is wound around the upper or lower plate, and a resistance wire is embedded in the heating groove.

5. The adhesive strip bonding device for panel products as described in claim 1, characterized in that: The upper and lower plates are provided with positioning pin holes for positioning plate-type products.

6. The adhesive strip bonding device for plate-shaped products as described in claim 1, characterized in that: It also includes hydraulic equipment, which is equipped with a pressure plate, with an upper plate and a lower plate positioned directly below the pressure plate.

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