Glue pasting head for pasting battery tab welding protection glue

Abstract

The utility model discloses a gluing head for gluing battery tab welding protection glue, which belongs to the technical field of lithium battery production and comprises a hollow gluing head, an air pipe joint is arranged at the center of the top surface of the gluing head, and two sides of the air pipe joint are respectively provided with a support threaded hole; a fixing threaded hole is formed in the middle of the square plate, and the fixing threaded hole is connected with the motor lead screw module; sliding holes are formed in the two sides of the fixing threaded hole respectively. The sliding holes correspond to the supporting threaded holes in position and are consistent with the supporting threaded holes in diameter, and a supporting shaft is connected between each sliding hole and the corresponding supporting threaded hole; a spring and an adjusting threaded sleeve are arranged on the supporting shaft. An air pipe joint is arranged at the top of the rubberizing head to ensure that an air field in the rubberizing head is stable; the two supporting shafts are arranged between the square plate and the rubberizing head, and the supporting shafts are provided with the springs and the adjusting threaded sleeves, so that the pressure of the springs can be adjusted, and the service time of the springs is prolonged; when the spring is replaced, the supporting shaft is separated from the square plate, and the adhesive tape sticking head and the exhaust pipe do not need to be detached.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery production technical field, concretely relates to a kind of pasting glue head of battery tab welding protective glue. BACKGROUND

[0002] The statements in this part only provide background technical information related to the utility model, and do not necessarily constitute prior art.

[0003] Battery manufacturing process is complex, among them, after laser welding of the tab of battery cell and the top cover of battery cell, the welding mark of welding is easy to cause unevenness, which has the risk of damaging the battery cell;And the tab of battery cell is relatively thin and soft in texture, and is easy to be pulled and damaged under mechanical action, the current conventional method is to paste glue head on the welding position and tab position of battery, and to paste protective adhesive tape on battery cell.

[0004] Patent CN2686U discloses a battery cell gluing mechanism, which uses a gluing head, the gluing head includes a hollow suction head, a plurality of air holes are arranged on one side of the suction head, the other side is communicated with two air rods, the other end of the air rod penetrates through a pressure sensor, a pressure spring is arranged outside the air rod, one end of the spring is connected with the suction head, and the other end is connected with the pressure sensor; the working pressure of the suction head can be buffered by the pressure spring, and the hollow suction head can adsorb the adhesive tape.

[0005] However, the above-mentioned scheme still has the following problems:

[0006] 1, double air rod is used to suck the gluing head, if the suction speed of two air rods changes, air flow turbulence is easy to occur in the gluing head, which affects the adsorption of adhesive tape;

[0007] 2, in the long-term use process, the pressure spring will gradually fatigue and lose the original pressure, since the pressure of the pressure spring cannot be adjusted, finally only can be disassembled and replaced;

[0008] 3, disassembly needs to be carried out from the connection between air rod and suction head, but the connection between air rod and suction head is provided with sealing element to ensure air tightness, disassembly and reassembly will inevitably cause misplacement or damage of sealing element, thereby bringing inconvenience to work. UTILITY MODEL CONTENTS

[0009] In view of the above problems, the utility model provides a gluing head for pasting battery tab welding protective glue, a gas pipe joint is arranged at the top of the gluing head to ensure the stability of the internal gas field of the gluing head; two supporting shafts are arranged between the square plate and the gluing head, springs and adjusting threaded sleeves are arranged on the supporting shafts, the pressure of the springs can be adjusted, and the service life of the springs is increased; when replacing the springs, the supporting shafts and the square plate can be separated, without the need to disassemble the gluing head and the suction pipe.

[0010] In order to achieve the above object, the utility model takes the following technical scheme:

[0011] A kind of pasting glue head of battery pole ear welding protection glue, including inside hollow pasting glue head, gas pipe joint is arranged in the center of pasting glue head top surface, one support threaded hole is arranged in the two sides of gas pipe joint;

[0012] It further includes square plate, fixed threaded hole is arranged in the middle of square plate, and fixed threaded hole connects motor screw module;Two sides of fixed threaded hole are respectively provided with sliding hole;Sliding hole and the position of support threaded hole correspond, and diameter is consistent, and one support shaft is connected between each sliding hole and support threaded hole;

[0013] Spring and adjusting threaded sleeve are arranged on support shaft.

[0014] Preferably, the bottom surface of the pasting glue head is provided with a plurality of circular pinholes, and the plurality of circular pinholes are evenly distributed in a rectangular array.

[0015] Preferably, the bottom surface of the pasting glue head is provided with a layer of iron fluorine dragon plating layer.

[0016] Preferably, the support threaded hole is not connected to the inside of the pasting glue head;The sliding hole penetrates the square plate.

[0017] Preferably, the support shaft is divided into two sections, one section is a threaded section, and the other section is a smooth section, and the threaded section and the smooth section are fixedly connected.

[0018] Preferably, the end of the threaded section is arranged in the support threaded hole through threaded connection;The end of the smooth section passes through the square plate through the sliding hole.

[0019] Preferably, the end of the smooth section passing through the square plate is provided with a through hole, a pin shaft passes through the through hole, and the length of the pin shaft is greater than the diameter of the sliding hole.

[0020] Preferably, the adjusting threaded sleeve is arranged close to the pasting glue head and is threadedly connected with the threaded section of the support shaft;The spring is arranged between the adjusting threaded sleeve and the square plate.

[0021] Preferably, the adjusting threaded sleeve is arranged close to the pasting glue head and is threadedly connected with the threaded section of the support shaft;The spring is arranged between the adjusting threaded sleeve and the square plate.

[0022] Preferably, the gas pipe joint is connected with the air suction pipe of the vacuumizing device through the sealing element.

[0023] Compared with the prior art, the utility model has the advantages and positive effects that:

[0024] 1) The utility model discloses a rubber head top middle part sets up a gas pipe joint, guarantees the inside air field of rubber head stable, prevents the air field disorder from happening in the rubber head when the multiple gas pipe air extraction, influences adsorption protection adhesive tape, and the utility model discloses a layer of iron fluorine dragon plating layer is set up in the rubber head bottom, can avoid when rubber extrusion, the rubber head abrasion protection adhesive tape,

[0025] 2) The utility model discloses a square plate and rubber head between setting up two support shafts, sets up spring and adjusting threaded sleeve at support shaft, can adjust the pressure of spring through the position change of adjusting threaded sleeve to increase the service life of spring,

[0026] 3) The utility model discloses a support shaft passes through one end of square plate and is provided with a pin, when needing to replace spring, the pin of support shaft end is taken off, makes support shaft and square plate separate, need not to split rubber head and air extraction pipe, and the installation and removal are more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0027] The drawings accompanying the specification provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute improper limitation to the utility model.

[0028] Figure 1 It is the schematic diagram of the rubber head of the utility model embodiment,

[0029] Figure 2 It is the schematic diagram of the square plate of the utility model embodiment,

[0030] Figure 3 It is the schematic diagram of the protection adhesive tape of the utility model embodiment,

[0031] In the drawing,

[0032] 1, square plate, 2, slide hole A, 3, slide hole B, 4, fixed threaded hole, 5, rubber head, 6, round pinhole, 7, protection adhesive tape, 8, gas pipe joint, 9, spring A, 10, spring B, 11, adjusting threaded sleeve A, 12, adjusting threaded sleeve B, 13, support shaft A, 14, support shaft B. DETAILED DESCRIPTION

[0033] It should be pointed out that the following detailed description is all exemplary, and is aimed at providing further explanation to the utility model. Unless otherwise indicated, all technical and scientific terms used in this paper have the same meaning as that understood by ordinary skilled person in the technical field to which the utility model belongs.

[0034] The utility model discloses a rubber head top middle part sets up a gas pipe joint, guarantees the inside air field of rubber head stable, prevents the air field disorder from happening in the rubber head when the multiple gas pipe air extraction, influences adsorption protection adhesive tape, and the utility model discloses a layer of iron fluorine dragon plating layer is set up in the rubber head bottom, can avoid when rubber extrusion, the rubber head abrasion protection adhesive tape, Figure 1As shown, the glue head 5 is internally hollow, and a tracheal joint 8 is arranged at the center of the top surface of the glue head 5, which is connected with the air suction pipe of the vacuum device through a sealing element. A plurality of circular pinholes 6 are uniformly arranged on the bottom surface of the glue head 5, and specifically, the plurality of circular pinholes 6 are uniformly distributed in a rectangular array on the bottom surface of the glue head. The function is that when the glue head 5 is vacuumized, uniform suction force can be generated to adsorb the protective tape 7. A tracheal joint is arranged at the middle position of the glue head to connect the air suction pipe, so as to ensure the stability of the air field in the glue head and avoid the mutual interference of the air fields in the glue head 5.

[0035] In this embodiment, a layer of Teflon coating is arranged on the bottom surface of the glue head 5 to avoid the direct contact of the protective tape 7 with the bottom surface of the glue head 5, so as to avoid the abrasion of the protective tape 7 during the glue extrusion.

[0036] As shown in the figure, Figure 3 The protective tape 7 is rectangular, and its size can be changed according to the actual process specification. When the protective tape 7 is attached to the corresponding battery, the air suction pipe stops working, and the glue head 5 is separated from the protective tape 7.

[0037] As shown in the figure, Figure 1 The top surface of the glue head 5 is provided with one support threaded hole on each side of the tracheal joint 8, and the distance from each support threaded hole to the tracheal joint 8 is consistent, that is, the two support threaded holes are in a symmetrical relationship with respect to the tracheal joint 8. The support threaded hole is used for threaded connection with the support shaft. It should be noted that the support threaded hole cannot penetrate the top surface of the glue head, that is, it does not extend into the hollow interior of the glue head 5, and the support threaded hole is not in communication with the internal hollow of the glue head.

[0038] As shown in the figure, Figure 1 The support shaft is divided into two sections, one of which is a threaded section, and the other end is a smooth section. The threaded section and the smooth section have consistent diameters, and the difference lies in that the threaded section is provided with external threads. The end of the threaded section of the support shaft is arranged in the support threaded hole through threaded connection. In this embodiment, the support shaft has a support shaft A 13 and a support shaft B 14.

[0039] It also includes a square plate 1, as shown in the figure, Figure 2 A fixed threaded hole 4 is arranged at the middle position of the square plate 1, which is used for connection to the motor lead screw module, and the square plate 1 is driven to move by the motor lead screw module. On the square plate 1, one sliding hole is arranged on each side of the fixed threaded hole 4, which is sliding hole A 2 and sliding hole B 3 respectively, and the size of the sliding hole A 2 and the sliding hole B 3 is consistent with that of the support threaded hole; the distance between the two sliding holes and the fixed threaded hole is consistent. The square plate 1 and the glue head 5 are connected through the support shaft. It can be understood that when the square plate is connected with the glue head, the square plate can drive the glue head to move when the square plate moves under the drive of the motor lead screw module.

[0040] It can be understood that the motor lead screw module is prior art, generally comprising a motor, a motor output end connected to a lead screw, and a moving block threadedly connected to the lead screw; the motor drives the lead screw to rotate, and the lead screw drives the moving block to move; in the embodiment, the square plate is threadedly connected and fixed with the moving block of the motor lead screw module in the prior art through the fixed threaded hole, so that the motor lead screw module can drive the square plate to move.

[0041] It should be noted that the sliding hole corresponds to the position of the supporting threaded hole, and when the smooth section of the supporting shaft passes through the sliding hole and the threaded section is connected in the supporting threaded hole, the two supporting shafts are in parallel.

[0042] As shown in Figure 1 As shown in the square plate 1 and the rubber head 5, the supporting shaft is also provided with a spring and an adjusting threaded sleeve. Specifically, the supporting shaft A13 is provided with a spring A9 and an adjusting threaded sleeve A11, and the supporting shaft B14 is provided with a spring B10 and an adjusting threaded sleeve B12. The adjusting threaded sleeve is arranged close to the rubber head 5 and is threadedly connected with the threaded section of the supporting shaft; the spring is arranged between the adjusting threaded sleeve and the square plate.

[0043] In the embodiment, the diameter of the sliding hole is close to that of the smooth section, and the two can slide with each other. When the rubber head is rubberized, pressure is generated to move the rubber head towards the square plate 1, and displacement occurs between the smooth section of the supporting shaft and the square plate. In this process, the spring is pressed between the square plate and the adjusting threaded sleeve, and under the blocking action of the spring, the working pressure generated by the part of the rubberization will be buffered. When the pressure of the spring changes, the position of the square plate 1 relative to the adjusting threaded sleeve can be adjusted to adjust the spring pressure between the square plate 1 and the adjusting threaded sleeve, thereby increasing the service life of the spring.

[0044] In the embodiment, the side wall of the adjusting threaded sleeve can also be provided with a locking threaded hole, and a locking threaded jack is threadedly connected in the locking threaded hole. By screwing the locking threaded jack, the locking threaded jack abuts against the supporting shaft, so that the relative position of the adjusting threaded sleeve and the threaded section can be fixed. The end of the smooth section passing through the square plate 1 is provided with a through hole, and a pin shaft passes through the through hole. The length of the pin shaft is greater than the diameter of the sliding hole, so that the smooth section can be prevented from coming out of the square plate.

[0045] When the spring needs to be replaced, the pin shafts on the two supporting shafts are removed, the square plate and the rubber head are separated, and the springs on the two supporting shafts are removed and replaced with new springs. This process does not require the air suction pipe to be detached from the air pipe joint, thereby avoiding disassembly and reassembly to cause misalignment or damage of the sealing element between the air suction pipe and the air pipe joint.

[0046] The utility model discloses above although the specific embodiment of the utility model has been described in conjunction with the drawing, is not the limit to the protection scope of the utility model, and the person skilled in the art should understand that on the basis of the technical scheme of the utility model, various modifications or deformation that the person skilled in the art can make without paying creative labour are still within the protection scope of the utility model.

Claims

1. An adhesive applicator for applying protective adhesive to battery tabs, characterized in that, It includes a hollow adhesive applicator, with an air pipe connector at the center of the top surface of the adhesive applicator, and a support threaded hole on each side of the air pipe connector. It also includes a square plate with a fixed threaded hole in the middle, which is connected to the motor screw module; sliding holes are provided on both sides of the fixed threaded hole; the sliding holes correspond to the support threaded holes and have the same diameter, and a support shaft is connected between each sliding hole and the support threaded hole; A spring and an adjusting threaded sleeve are installed on the support shaft.

2. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The bottom surface of the adhesive applicator is provided with several circular pinholes, which are evenly distributed in a rectangular array.

3. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The bottom surface of the adhesive applicator is coated with a layer of Teflon.

4. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The supporting threaded hole must not connect to the hollow interior of the adhesive applicator; the sliding hole penetrates the square plate.

5. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The support shaft is divided into two sections: a threaded section and a smooth section, which are fixedly connected.

6. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 5, characterized in that, The threaded end is connected to the support threaded hole by a threaded connection; the smooth end passes through the square plate through a sliding hole.

7. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 5, characterized in that, The smooth section has a through hole at the end of the square plate, and a pin passes through the through hole. The length of the pin is greater than the diameter of the sliding hole.

8. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The adjusting threaded sleeves are all located close to the adhesive applicator and are threadedly connected to the threaded section of the support shaft; the spring is located between the adjusting threaded sleeve and the square plate.

9. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The adjusting threaded sleeve has a locking threaded hole on its side wall, and the locking threaded hole is connected to a locking threaded set screw.

10. The adhesive applicator for applying protective adhesive to battery tabs as described in claim 1, characterized in that, The air pipe connector is connected to the vacuum pipe of the vacuum device via a sealing element.

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