Pole piece feeding mechanism

Abstract

The utility model discloses a pole piece feeding mechanism. The pole piece feeding mechanism comprises a rack, an electrode vibration disc, a temporary storage frame, a transfer table, a pole piece lifting device, a pole piece turn-over device, an X-axis moving module, a Z-axis moving module, a transfer plate, an elastic buffering assembly, a fixed transfer air tap, a rotary air tap assembly and a push rotating support arm. When the electrode plate is turned over in the vibration process, the inverted electrode plate is firstly adsorbed and placed on the transfer table through cooperation of the X-axis moving module, the Z-axis moving module and the fixed transfer air nozzle, and the electrode plate lifting device lifts the inverted electrode plate to a station of the electrode plate turning-over device; when a button cell is welded, the reversed electrode plate is clamped and overturned by 180 degrees by the electrode plate overturning device, then is placed on the transfer table, and is adsorbed and placed on the welding surface of the button cell by the rotary air tap assembly, so that the problem of wrong welding caused by overturning of the electrode plate in the prior art is effectively solved, the qualified rate of products is effectively improved, and the quality of the products is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to button cell production line technical field, concretely relates to a kind of pole piece feeding mechanism applied to button cell production line. BACKGROUND

[0002] In the production process of button cell, positive and negative pole pieces need to be welded, and the existing welding equipment is mostly bump welding, and bump welding machine is used, and the structure of bump welding machine is very simple, which is a high-power transformer, which converts 220V alternating current into low-voltage, large-current power supply, which can be direct current or alternating current.

[0003] To improve the bump welding effect, automatic button cell bump welding equipment is mostly used for welding. For example, the invention patent with publication number "CN106808075A" and the name "a kind of button cell automatic bump welding device" discloses a kind of button cell automatic bump welding device, it includes rack and distribution control box, and two groups of feeding devices are arranged on distribution control box, and pole bump welding machine is arranged on feeding device. Negative pole bump welding machine and positive pole bump welding machine are respectively arranged on feeding device, and the two groups of feeding devices are respectively matched with negative pole feeding device and positive pole feeding device. The positive pole feeding device includes positive pole feeding vibration disc and pole piece conveying device, and the negative pole feeding device includes negative pole feeding vibration disc and pole piece conveying device, and the pole piece conveying device includes pole piece conveying groove connected with vibration feeding disc, and the pole piece conveying groove is matched with rotary feeding mechanical hand above. And the rotary feeding mechanical hand does not have turnover function, just directly adsorbs pole piece and shifts and places on button cell. However, there is a potential problem in the use of vibration feeding disc to convey electrode piece, which is that the electrode piece may be turned over in the vibration process, so that the originally upward positive surface is downward, and the reverse surface is upward. If 180 degrees turnover is not carried out in this link, the electrode piece will be wrongly welded on button cell, that is, the positive surface contacts the battery instead of the reverse surface, which will directly lead to unqualified product, and it is difficult to guarantee product quality. UTILITY MODEL CONTENTS

[0004] In view of the above shortcomings, the purpose of the utility model is to provide a pole piece feeding mechanism with reasonable structure design, convenient operation and automatic button cell pole piece bump welding.

[0005] To achieve the above purpose, the technical scheme provided by the utility model is:

[0006] The utility model provides an electrode piece loading mechanism, it includes frame, electrode vibration disc, temporary storage frame, transfer table, electrode piece lifting device, electrode piece turning device, X axle movement module, Z axle movement module, transfer plate, elastic buffer assembly, fixed transfer air nozzle, rotary air nozzle assembly and push rotation branch, electrode vibration disc and temporary storage frame set up in the side position of frame, electrode piece lifting device sets up on temporary storage frame, transfer table sets up on the drive element of electrode piece lifting device, electrode piece turning device sets up on temporary storage frame corresponding the side position of transfer table, X axle movement module sets up on the frame, Z axle movement module sets up on X axle movement module, and can drive transfer plate to make the action of lifting, two elastic buffer assemblies set up in the both ends of transfer plate, fixed transfer air nozzle sets up on the elastic buffer assembly close to electrode vibration disc one side position, rotary air nozzle assembly sets up on another elastic buffer assembly, push rotation branch sets up fixedly corresponding the position of rotary air nozzle assembly, and can push rotary air nozzle assembly to make the action of rotating when being close.

[0007] As a preferred scheme of the utility model, the elastic buffer assembly comprises a fixed seat, a floating seat, a spring and a positioning guide block, the fixed seat is provided with a sliding groove for the floating seat to slide up and down, the positioning guide block is fixed on the sliding groove, one end of the floating seat is located in the sliding groove to form a sliding part, the other end of the floating seat extends out of the sliding groove to form a mounting part, the sliding part is provided with a positioning sliding groove consistent with the sliding direction of the sliding groove, the positioning guide block is located in the positioning sliding groove and fixed on the fixed seat,

[0008] The spring is located in the fixed seat and can push the floating seat to move downward. The spring provides floating buffering effect, avoids damaging the electrode piece when the electrode piece is pressed, and ensures the adsorption effect. Through cooperation of the positioning guide block and the positioning sliding groove, stable lifting of the floating seat is realized.

[0009] As a preferred scheme of the utility model, the transfer plate and the fixed seat are in an integrated connection structure, the rigidity and stability of the whole are enhanced.

[0010] As a preferred scheme of the utility model, the mounting part is provided with a mounting hole for mounting the fixed transfer air nozzle. The mounting hole is convenient for mounting and fixing, and is also convenient for subsequent maintenance and replacement.

[0011] As a preferred scheme of the utility model, the rotating air nozzle assembly comprises a rotating shaft, a push plate, a pull arm, a reset stopper, a vacuum suction block and a reset tension spring, a bearing for installing the rotating shaft is arranged on the mounting portion, the push plate is arranged on the upper end of the rotating shaft, the vacuum suction block is arranged on the lower end of the rotating shaft, one end of the pull arm is arranged on the rotating shaft, one end of the reset tension spring is buckled on the other end of the pull arm, the other end of the reset tension spring is buckled on the mounting portion, and the reset stopper is arranged on the mounting portion in correspondence with the position of the pull arm, so that the reset effect is ensured.

[0012] As a preferred scheme of the utility model, an adjusting screw hole is arranged on the reset stopper, and an adjusting bolt for limiting the pull arm is screwed on the adjusting screw hole, so that the angle position of the pull arm can be adjusted through the adjusting bolt according to actual needs, thereby realizing accurate control of the adsorption angle of the pole piece.

[0013] As a preferred scheme of the utility model, one end of the push-turn supporting arm towards the push plate is provided with a roller. The friction between the push-turn supporting arm and the push plate is reduced, and the cooperation is smoother.

[0014] As a preferred scheme of the utility model, the X-axis moving module comprises an X-axis frame, an X-axis seat and an X-axis cylinder, the X-axis seat is arranged on the X-axis frame through a transverse sliding rail, the X-axis cylinder is arranged on the X-axis frame and can drive the X-axis seat to reciprocate on the transverse sliding rail, and movement is stable.

[0015] As a preferred scheme of the utility model, the Z-axis moving module comprises a Z-axis cylinder, a Z-axis sliding rail and a Z-axis sliding block, the Z-axis sliding rail is arranged on the X-axis seat, the transfer plate is movably arranged on the Z-axis sliding rail through the Z-axis sliding block, and the Z-axis cylinder is arranged on the X-axis seat and can drive the transfer plate to perform lifting action, and the lifting action is stable.

[0016] The utility model discloses the beneficial effect is: the utility model discloses the structure design is reasonable, when the electrode piece appears the turnover in the vibration process, causes the originally should face up to face down, and the reverse side faces up, first adsorbs and places the electrode piece of reverse rotation on the transfer platform through the cooperation of X-axis moving module, Z-axis moving module and fixed transfer air nozzle, the electrode piece lifting device lifts the electrode piece of reverse rotation to the work position of electrode piece turnover device, and the electrode piece of reverse rotation is clamped and turns over 180 degrees by electrode piece turnover device, then is put back on the transfer platform, then is adsorbed and placed on the welding surface of button cell by rotating air nozzle assembly, effectively solve the problem of error welding caused by electrode piece turnover in traditional, effectively improve product pass rate, guarantee product quality.

[0017] The utility model is further illustrated below in connection with the drawings and examples. DRAWINGS

[0018] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Fig. 2 It is the structure schematic diagram of X axis moving module and Z axis moving module in the utility model.

[0020] Fig. 3 It is the structure schematic diagram of fixed transfer air nozzle and rotary air nozzle assembly in the utility model.

[0021] Fig. 4 It is the structure schematic diagram of the utility model in temporary rack. Specific implementation

[0022] Embodiment, see Figs. 1 to 4 The electrode vibration disc 2 and the temporary rack 3 are arranged at the side of the rack 1, the pole piece lifting device 5 is arranged on the temporary rack 3, the transfer table 4 is arranged on the driving element of the pole piece lifting device 5, and the pole piece turning device 6 is arranged on the temporary rack 3 corresponding to the side of the transfer table 4. In the embodiment, the pole piece lifting device 5 is preferably a telescopic cylinder, and the lifting action of the transfer table 4 is realized by the telescopic action of the telescopic cylinder. The pole piece turning device 6 is preferably a rotary clamping finger cylinder, two clamping strips are arranged on the two fingers of the rotary clamping finger cylinder, and the opening and closing of the two clamping strips are realized by the clamping and loosening of the two fingers to clamp and loosen the electrode sheet.

[0023] The X axis moving module 7 is arranged on the rack 1, the Z axis moving module 8 is arranged on the X axis moving module 7 and can drive the transfer plate 9 to make lifting action. The X axis moving module 7 includes an X axis frame 71, an X axis seat 72 and an X axis cylinder 73, the X axis seat 72 is arranged on the X axis frame 71 through an X axis sliding rail 74, the X axis cylinder 73 is arranged on the X axis frame 71 and can drive the X axis seat 72 to make reciprocating motion on the X axis sliding rail 74, and the motion is stable. The Z axis moving module 8 includes a Z axis cylinder 81, a Z axis sliding rail 82 and a Z axis sliding block 83, the Z axis sliding rail 82 is arranged on the X axis seat 72, the transfer plate 9 is movably arranged on the Z axis sliding rail 82 through the Z axis sliding block 83, and the Z axis cylinder 81 is arranged on the X axis seat 72 and can drive the transfer plate 9 to make lifting action, and the lifting action is stable.

[0024] The X axis moving module 7 is arranged on the rack 1, the Z axis moving module 8 is arranged on the X axis moving module 7 and can drive the transfer plate 9 to make lifting action. The X axis moving module 7 includes an X axis frame 71, an X axis seat 72 and an X axis cylinder 73, the X axis seat 72 is arranged on the X axis frame 71 through an X axis sliding rail 74, the X axis cylinder 73 is arranged on the X axis frame 71 and can drive the X axis seat 72 to make reciprocating motion on the X axis sliding rail 74, and the motion is stable. The Z axis moving module 8 includes a Z axis cylinder 81, a Z axis sliding rail 82 and a Z axis sliding block 83, the Z axis sliding rail 82 is arranged on the X axis seat 72, the transfer plate 9 is movably arranged on the Z axis sliding rail 82 through the Z axis sliding block 83, and the Z axis cylinder 81 is arranged on the X axis seat 72 and can drive the transfer plate 9 to make lifting action, and the lifting action is stable.

[0025] Two elastic buffer assemblies 10 are arranged at both ends of the transfer plate 9. The fixed transfer air nozzle 11 is arranged on the elastic buffer assembly 10 near the electrode vibrating disc 2, and the rotating air nozzle assembly 12 is arranged on the other elastic buffer assembly 10. The elastic buffer assembly 10 comprises a fixed seat 101, a floating seat 102, a spring 103 and a positioning guide block 104. The fixed seat 101 is provided with a sliding groove for the floating seat 102 to slide up and down. The positioning guide block 104 is fixed on the sliding groove. One end of the floating seat 102 is located in the sliding groove to form a sliding part, and the other end extends out of the sliding groove to form a mounting part. The sliding part is provided with a positioning sliding groove consistent with the sliding direction of the sliding groove. The positioning guide block 104 is located in the positioning sliding groove and is fixed on the fixed seat 101. The spring 103 is located in the fixed seat 101 and can push the floating seat 102 to move downward. The spring 103 provides floating buffer effect, avoids damaging the electrode piece when pressing down the electrode piece, and also ensures the adsorption effect. The stable lifting of the floating seat 102 is realized through the cooperation of the positioning guide block 104 and the positioning sliding groove. Preferably, the transfer plate 9 and the fixed seat 101 are integrally connected, which enhances the rigidity and stability of the whole. The mounting hole for mounting the fixed transfer air nozzle 11 is arranged on the mounting part. It is convenient for installation and fixation, and also convenient for subsequent maintenance and replacement.

[0026] The push-rotating arm 13 is fixedly arranged corresponding to the position of the rotating air nozzle assembly 12 and can push the rotating air nozzle assembly 12 to rotate when the rotating air nozzle assembly 12 approaches. Preferably, a roller is arranged at the end of the push-rotating arm 13 towards the push plate. The friction between the push-rotating arm 13 and the push plate is reduced, and the cooperation is more smooth. The rotating air nozzle assembly 12 comprises a rotating shaft 121, a push plate 122, a pull arm 123, a reset stop block 124, a vacuum suction block 125 and a reset tension spring 126. The bearing for mounting the rotating shaft 121 is arranged on the mounting part. The push plate 122 is arranged at the upper end of the rotating shaft 121. The vacuum suction block 125 is arranged at the lower end of the rotating shaft 121. One end of the pull arm 123 is arranged on the rotating shaft 121. One end of the reset tension spring 126 is buckled on the other end of the pull arm 123. The other end of the reset tension spring 126 is buckled on the mounting part. The reset stop block 124 is arranged on the mounting part corresponding to the position of the pull arm 123 to ensure the reset effect. Preferably, an adjusting screw hole is arranged on the reset stop block 124. The adjusting screw bolt 127 for limiting the pull arm 123 is screwed on the adjusting screw hole. The angle position of the pull arm 123 can be adjusted through the adjusting screw bolt 127 according to actual needs, so as to realize accurate control of the adsorption angle of the electrode piece.

[0027] When the electrode sheet is turned over during vibration, causing the originally upward-facing front surface to face downward and the reverse surface to face upward, the X-axis moving module 7, the Z-axis moving module 8, and the fixed transfer air nozzle 11 are cooperated to first adsorb and place the turned-over electrode sheet on the transfer table 4, the electrode sheet lifting device 5 is raised to lift the turned-over electrode sheet to the work position of the electrode sheet turning device 6, the electrode sheet turning device 6 clamps the turned-over electrode sheet, the electrode sheet lifting device 5 is lowered to the initial position to avoid interfering with the turning action of the electrode sheet turning device 6. After the electrode sheet turning device 6 turns the clamped electrode sheet by 180 degrees, the electrode sheet lifting device 5 lifts the transfer table 4 to a predetermined height to support the turned-over electrode sheet. The electrode sheet turning device 6 releases the clamped electrode sheet, and the electrode sheet naturally falls back onto the transfer table 4. Then, the X-axis moving module 7, the Z-axis moving module 8, and the rotary air nozzle assembly 12 are cooperated to realize that the rotary air nozzle assembly 12 adsorbs and moves the electrode sheet on the transfer table 4 to the welding surface of the button cell, effectively solving the problem of incorrect welding caused by the turning of the electrode sheet in the traditional way, ensuring product quality and reducing the number of defective products.

[0028] According to the disclosure and teaching of the above description, the skilled in the art of the present application can also change and modify the above embodiments. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the specification, these terms are only for convenience of explanation and do not constitute any limitation on the present application, and the same or similar mechanisms are adopted, which are within the protection scope of the present application.

Claims

1. A pole piece feeding mechanism comprising a frame, characterized in that, It also includes electrode vibration disc, temporary storage rack, transfer table, electrode piece lifting device, electrode piece turning device, X-axis moving module, Z-axis moving module, transfer plate, elastic buffer assembly, fixed transfer air nozzle, rotary air nozzle assembly and push-rotation supporting arm, the electrode vibration disc and the temporary storage rack are arranged at the side of the rack, the electrode piece lifting device is arranged on the temporary storage rack, the transfer table is arranged on the driving element of the electrode piece lifting device, the electrode piece turning device is arranged on the temporary storage rack corresponding to the side of the transfer table, the X-axis moving module is arranged on the rack, the Z-axis moving module is arranged on the X-axis moving module and can drive the transfer plate to make lifting action, two elastic buffer assemblies are arranged at the two ends of the transfer plate, the fixed transfer air nozzle is arranged on the elastic buffer assembly near the side of the electrode vibration disc, the rotary air nozzle assembly is arranged on the other elastic buffer assembly, and the push-rotation supporting arm is fixedly arranged corresponding to the position of the rotary air nozzle assembly and can push the rotary air nozzle assembly to make rotary action when the rotary air nozzle assembly is close.

2. The pole piece loading mechanism of claim 1, wherein: The elastic buffer assembly comprises a fixed seat, a floating seat, a spring and a positioning guide block, the fixed seat is provided with a sliding groove for the up-down sliding of the floating seat, the positioning guide block is fixed on the sliding groove, one end of the floating seat is located in the sliding groove to form a sliding part, the other end of the floating seat extends out of the sliding groove to form a mounting part, the sliding part is provided with a positioning sliding groove consistent with the sliding direction of the sliding groove, the positioning guide block is located in the positioning sliding groove and fixed on the fixed seat, and the spring is located in the fixed seat and can push the floating seat to move downward.

3. The pole piece loading mechanism of claim 2, wherein: The transfer plate and the fixed seat are integrally connected.

4. The pole piece loading mechanism of claim 2, wherein: The mounting part is provided with a mounting hole for mounting the fixed transfer air nozzle.

5. The pole piece loading mechanism of claim 2, wherein: The rotary air nozzle assembly comprises a rotating shaft, a push plate, a pull arm, a reset stop block, a vacuum suction block and a reset tension spring, the mounting part is provided with a bearing for mounting the rotating shaft, the push plate is arranged at the upper end of the rotating shaft, the vacuum suction block is arranged at the lower end of the rotating shaft, one end of the pull arm is arranged on the rotating shaft, one end of the reset tension spring is buckled on the other end of the pull arm, the other end of the reset tension spring is buckled on the mounting part, and the reset stop block is arranged on the mounting part corresponding to the position of the pull arm.

6. The pole piece loading mechanism of claim 5, wherein: The reset stop block is provided with an adjusting screw hole, and an adjusting bolt capable of limiting the pull arm is screwed on the adjusting screw hole.

7. The pole piece loading mechanism of claim 5, wherein: The end of the push-rotation supporting arm facing the push plate is provided with a roller.

8. The pole piece loading mechanism of claim 5, wherein: The X-axis moving module comprises an X-axis frame, an X-axis seat and an X-axis cylinder, the X-axis seat is arranged on the X-axis frame through a transverse sliding rail, and the X-axis cylinder is arranged on the X-axis frame and can drive the X-axis seat to make reciprocating motion on the transverse sliding rail.

9. The pole piece loading mechanism of claim 8, wherein: The Z-axis moving module comprises a Z-axis cylinder, a Z-axis sliding rail and a Z-axis sliding block, the Z-axis sliding rail is arranged on the X-axis seat, the transfer plate is movably arranged on the Z-axis sliding rail through the Z-axis sliding block, and the Z-axis cylinder is arranged on the X-axis seat and can drive the transfer plate to make lifting action.

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