CN216529011U - Rubberizing mechanism and lithium battery production equipment - Google Patents

Abstract

The utility model relates to the technical field of roll core manufacturing equipment, in particular to a gluing mechanism and lithium battery production equipment. The rubberizing mechanism comprises a base, a moving seat and a rubberizing roller; the base is connected with the movable base; the moving seat is connected with the bracket of the rubberizing roller; the moving seat can move relative to the base in the axial direction of the rubberizing roller. The adhesive sticking mechanism and the lithium battery production equipment provided by the utility model can be compatible with the sticking of green adhesive and hot melt adhesive, meet the requirement that the adhesive sticking reference changes along with the change of products or processes, and are suitable for producing lithium batteries with different specifications and different processes.

Description

Rubberizing mechanism and lithium battery production equipment

Technical Field

The utility model relates to the technical field of roll core manufacturing equipment, in particular to a gluing mechanism and lithium battery production equipment.

Background

In the production and manufacturing process of the lithium battery, the battery core is usually produced by adopting a winding process, namely, the positive electrode sheet, the negative electrode sheet and the diaphragm are wound for a certain length along with a winding needle according to a certain sequence, and an adhesive tape is pasted at the tail part of the outer package.

Along with the continuous improvement of research and development horizontally, the specification of electric core is various, in order to adapt to the diameter of the electric core of different specifications, adopts two guide arm cylinders and low friction cylinder drive rubberizing roller jointly at present for rubberizing roller moves between two rubberizing wait positions, can paste the sticky tape on the electric core of different diameters with the outer peripheral face of guaranteeing rubberizing roller.

Currently, the adhesive tape mainly comprises green adhesive and hot melt adhesive to adapt to the battery cores with different widths. When the rubberizing, need use a side of electricity core to paste as the benchmark, however, current double-guide pole cylinder and low friction cylinder all fix in the frame, are applicable to generally and paste green glue, and when the axial width of electricity core changed, the rubberizing roller can't remove along its self axial direction, just also can not use a side of electricity core as the benchmark and paste the sticky tape. That is, the existing gluing mechanism cannot meet the requirement that the gluing standard changes along with the change of products or processes.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a rubberizing mechanism and lithium battery production equipment, and aims to solve the technical problem that the prior rubberizing mechanism in the prior art cannot meet the requirement that rubberizing reference changes along with the change of products or processes.

Based on the purpose, the utility model provides a rubberizing mechanism, which comprises a base, a movable seat and a rubberizing roller; the base is connected with the movable base; the moving seat is connected with the bracket of the rubberizing roller; the moving seat can move relative to the base in the axial direction of the rubberizing roller.

Further, in some optional embodiments, the rubberizing mechanism further comprises a rubberizing swing arm and a telescopic assembly; the moving seat is hinged with a bracket of the rubberizing roller through a first hinge shaft, and the moving seat can slide relative to the base so as to enable the rubberizing roller to move along the axial direction of the rubberizing roller; one end of the rubberizing swing arm is fixedly connected with the bracket of the rubberizing roller, and the other end of the rubberizing swing arm is hinged with the telescopic assembly through a second hinge shaft; the axis of the first articulated shaft and the axis of the second articulated shaft are both parallel to the axis of the rubberizing roller; the telescopic assembly is used for enabling the rubberizing roller to rotate around the axis of the first hinge shaft.

Further, in some optional embodiments, the telescopic assembly comprises a first telescopic device and a second telescopic device, a piston rod of the first telescopic device is connected with the base, a cylinder body of the first telescopic device is connected with a cylinder body of the second telescopic device, and a piston rod of the second telescopic device is hinged with the other end of the rubberizing swing arm through the second hinge shaft; the axis of the piston rod of the second telescopic device is parallel to the axis of the piston rod of the first telescopic device.

Further, in some optional embodiments, the telescopic assembly further comprises a guide rod, a guide sleeve and a sliding seat, the guide rod is connected with the base, and the axis of the guide rod is parallel to the telescopic direction of the first telescopic device; the guide sleeve is sleeved on the guide rod and can reciprocate along the axis of the guide rod; the cylinder body of the first telescopic device and the cylinder body of the second telescopic device are both fixedly connected with the guide sleeve; the sliding seat is fixedly connected with a piston rod of the second telescopic device, the sliding seat can reciprocate along the axis of the guide rod, and the sliding seat is hinged to the other end of the rubberizing swing arm through the second hinge shaft.

Further, in some optional embodiments, the first telescoping device is located below the guide bar and the second telescoping device is located above the guide bar.

Further, in some optional embodiments, a limit block is arranged at one end of the guide rod far away from the base.

Further, in some optional embodiments, the base comprises a first base, and the movable base is slidable relative to the first base; the first base is provided with the regulation hole, it is provided with the fixed orifices to remove the seat, first base with it passes through the fastener and connects to remove the seat.

Further, in some optional embodiments, the first base is provided with a length scale, and/or the movable base is provided with a length scale.

Further, in some optional embodiments, the base further comprises a second base, the second base is connected with the movable base through a connecting plate, and the connecting plate is used for being connected with the machine frame.

Further, in certain alternative embodiments, the second telescopic device is provided with a position sensor.

Based on the purpose, the utility model also provides lithium battery production equipment which comprises the adhesive tape sticking mechanism.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model provides a rubberizing mechanism which comprises a base, a movable seat and a rubberizing roller; the base is connected with the movable base; the moving seat is connected with the bracket of the rubberizing roller; the moving seat can move relative to the base in the axial direction of the rubberizing roller.

Based on the structure, when the adhesive tape needs to be replaced in the adhesive tape pasting process by adopting the adhesive tape pasting mechanism provided by the utility model, for example, green adhesive is replaced by hot melt adhesive, the movable seat is moved along the axial direction of the adhesive tape pasting roller, and the movable seat is connected with the bracket of the adhesive tape pasting roller, so that the adhesive tape pasting roller moves for a set distance along the axial direction of the adhesive tape pasting roller, one side edge of the battery cell is taken as a reference for pasting the adhesive tape, and the requirement that the adhesive tape pasting reference changes along with the change of products or processes is met.

According to the lithium battery production equipment provided by the utility model, due to the use of the adhesive sticking mechanism provided by the utility model, the green adhesive and the hot melt adhesive can be stuck together compatibly, so that the lithium battery production equipment is suitable for producing lithium batteries with different specifications and different processes.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a tape attaching mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the taping mechanism according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a third viewing angle of the tape attaching mechanism according to the first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a guide sleeve in the gluing mechanism according to an embodiment of the present invention;

fig. 5 is a schematic view of a rubberizing roller in a rubberizing mechanism located at a rubberizing preparation position according to an embodiment of the present invention;

fig. 6 is a schematic view of a rubberizing roller in the rubberizing mechanism according to the first embodiment of the present invention located in a first rubberizing waiting position;

fig. 7 is a schematic view of a rubberizing roller in the rubberizing mechanism located at a second rubberizing waiting position according to the first embodiment of the present invention.

Icon: 100-sticking glue and preparing a glue position; 200-a first rubberizing wait bit; 300-second rubberizing wait bit; 101-a movable seat; 102-rubberizing rollers; 103-a first base; 104-a second base; 105-a conditioning aperture; 106-length scale; 107-a first telescopic device; 108-a second telescopic device; 109-rubberizing swing arms; 110-a guide bar; 111-a guide sleeve; 112-a sliding seat; 113-a limiting block; 114-slot type photo-switches; 115-a sensing piece; 116-a first recess; 117-second recess; 118-a third recess; 119-a web; 120-a first mounting plate; 121-a second mounting plate; 122-a first hinge axis; 123-a second articulation axis; 124-channel; 125-third hinge axis.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. 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.

In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 1 to 7, the embodiment provides a rubberizing mechanism, which includes a base, a moving seat 101, a rubberizing roller 102, a rubberizing swing arm 109, and a telescopic assembly; the base is connected with the movable base 101; the moving seat 101 is hinged to the bracket of the rubberizing roller 102 through a first hinge shaft 122, and the moving seat 101 can slide relative to the base, so that the rubberizing roller 102 can move along the axial direction of the rubberizing roller 102; one end of the rubberizing swing arm 109 is fixedly connected with the bracket of the rubberizing roller 102, and the other end of the rubberizing swing arm 109 is hinged with the telescopic assembly through a second hinge shaft 123; wherein, the axes of the first hinge shaft 122 and the second hinge shaft 123 are both parallel to the axis of the rubberizing roller 102; the telescoping assembly is used to rotate applicator roll 102 about the axis of first hinge axis 122.

Based on this structure, the rubberizing mechanism that this embodiment provided, when using, flexible subassembly drives rubberizing swing arm 109 and removes, and simultaneously, rubberizing swing arm 109 can rotate around the axis of second articulated shaft 123, and then drives rubberizing roller 102 and rotates around the axis of first articulated shaft 122, and rubberizing roller 102 is equipped with the position from the rubberizing and is removed to rubberizing and wait the position, prepares to rubberizing to electric core final phase department. When the diameter of the battery core changes, the telescopic assembly can drive the rubberizing roller 102 to rotate around the axis of the first hinge shaft 122, so that the rubberizing roller 102 can attach the adhesive tape to the ending part of the battery core. When the adhesive tape needs to be replaced, for example, the green adhesive is replaced by the hot melt adhesive, the moving seat 101 is moved along the axial direction of the first hinge shaft 122, so that the rubberizing roller 102 moves along the axial direction of the rubberizing roller 102 by a set distance, and the adhesive tape can be pasted by taking one side edge of the battery core as a reference.

Further, in some alternative embodiments, as shown in fig. 1, the base comprises a first base 103, the mobile base 101 being able to slide with respect to the first base 103; the first base 103 is provided with an adjusting hole 105, the movable base 101 is provided with a fixing hole, and the first base 103 is connected with the movable base 101 through a fastener.

Specifically, the first base 103 is used for being fixedly connected with a rack (not shown in the figure), the adjusting holes 105 formed in the first base 103 are round holes, the fixing holes are round holes, the fastening pieces comprise bolts and nuts, and the bolts penetrate through the round holes and are in threaded connection with the nuts, so that the movable base 101 can be fixed on the first base 103 after the position of the movable base 101 is adjusted.

Further, in some optional embodiments, the base further comprises a second base 104, the second base 104 is connected to the movable base 101 through a connection plate 119, and the connection plate 119 is used for connecting to the rack.

Specifically, the connecting plate 119 is fixedly mounted on the frame, the second base 104 is rotatably connected to one end of the connecting plate 119, and during the operation of the rubberizing mechanism, the position of the connecting plate 119 remains unchanged, and the second base 104 can rotate by a small angle around the third hinge shaft 125 between the second base and the connecting plate 119. The other end of the connecting plate 119 is detachably fixed with the movable base 101 through a fastening bolt, when the position of the movable base 101 needs to be adjusted, the fastening bolt is loosened, and after the adjustment is completed, the fastening bolt is tightened, so that the position stability of the movable base 101 is further ensured.

The adjustable connection scheme of the connection plate 119 and the movable base 101 described in this embodiment may have other implementations. For example, a driving device and a guiding mechanism are arranged between the movable base 101 and the connecting plate or the base, so that automatic adjustment between the movable base 101 and the connecting plate or the base can be realized, and further, the rubberizing roller 102 can move in the axis direction thereof, and the rubberizing requirements of the battery cells with different widths can be met.

In the aforementioned alternative for automatically adjusting the position of the movable base 101, the driving device may be implemented by selecting a motor, an air cylinder, or other power components, and the guiding mechanism may be implemented by selecting a guide rail, a lead screw, or an air cylinder rod of the air cylinder, so as to ensure that the direction of the movable base 101 when displacement is implemented is accurately controllable.

Further, in some alternative embodiments, the first base 103 is provided with a length scale 106, and/or the movable base 101 is provided with a length scale 106.

In this embodiment, referring to fig. 2, the first base 103 and the movable base 101 are provided with length scales 106.

Note that, the first base 103 may be provided with a length scale 106, and the movable base 101 may be provided with a pointer; the movable base 101 may be provided with a length scale 106, and the first base 103 may be provided with a pointer.

Further, in some optional embodiments, the telescopic assembly comprises a first telescopic device 107 and a second telescopic device 108, a piston rod of the first telescopic device 107 is used for connecting with the frame, a cylinder body of the first telescopic device 107 is connected with a cylinder body of the second telescopic device 108, and a piston rod of the second telescopic device 108 is hinged with the other end of the rubberizing swing arm 109 through a second hinge shaft 123; the axis of the piston rod of the second telescopic device 108 is parallel to the axis of the piston rod of the first telescopic device 107.

Specifically, a piston rod of the first telescoping device 107 is fixedly connected to the second base 104, and in an initial stage, as shown in fig. 5, the rubberizing roller 102 is located at the rubberizing standby position 100, when the piston rod of the first telescoping device 107 extends, the second telescoping device 108 and the rubberizing swing arm 109 can be driven to move along an arrow a direction, and further the rubberizing roller 102 is driven to rotate along an arrow B direction around an axis of the first hinge shaft 122, so that the rubberizing roller 102 moves from the rubberizing standby position 100 to the first rubberizing standby position 200, as shown in fig. 6, at this time, a position of the rubberizing roller 102 can be adjusted according to a diameter of the electrical core to be rubberized, for example, the rubberizing roller 102 needs to be moved to the second rubberizing standby position 300, at this time, a piston rod of the second telescoping device 108 extends, and the rubberizing swing arm 109 continues to be driven to move along the arrow a direction, so as to drive the rubberizing roller 102 to continue to rotate along the arrow B direction around the axis of the first hinge shaft 122, so that the rubberizing roller 102 moves from the first rubberizing waiting position 200 to the second rubberizing waiting position 300, as shown in fig. 7, at this time, the rubberizing roller 102 can cling to the electric core, and the rubberizing operation is completed. The first and second retractors 107 and 108 are then retracted simultaneously and the applicator roll 102 is returned to the applicator preparation station 100.

In this embodiment, the first expansion device 107 and the second expansion device 108 are both cylinders.

Alternatively, the first telescopic device 107 is a pen-type cylinder and the second telescopic device 108 is a low friction cylinder.

Further, in some alternative embodiments, referring to fig. 1 and 2, the telescopic assembly further includes a guide rod 110, a guide sleeve 111 and a sliding seat 112, the guide rod 110 is connected with the base, and the axis of the guide rod 110 is parallel to the telescopic direction of the first telescopic device 107; the guide sleeve 111 is sleeved on the guide rod 110, and the guide sleeve 111 can reciprocate along the axis of the guide rod 110; the cylinder body of the first telescopic device 107 and the cylinder body of the second telescopic device 108 are both fixedly connected with the guide sleeve 111; the sliding seat 112 is fixedly connected with the piston rod of the second telescopic device 108, the sliding seat 112 can reciprocate along the axis of the guide rod 110, and the sliding seat 112 is hinged with the other end of the rubberizing swing arm 109 through a second hinge shaft 123.

Specifically, one end of the guide rod 110 is fixedly connected to the second base 104, one end of the guide sleeve 111 close to the second base 104 is fixedly connected to the cylinder of the first telescopic device 107 through the first mounting plate 120, and one end of the guide sleeve 111 far from the second base 104 is fixedly connected to the cylinder of the second telescopic device 108 through the second mounting plate 121. Wherein, fasteners such as bolts and nuts can be adopted to fixedly connect the two.

In this embodiment, the number of the guide rods 110 is two, the two guide rods 110 are arranged in parallel at intervals, and the guide sleeve 111 is provided with two channels 124 respectively sleeved on the two guide rods 110. The sliding seat 112 is provided with two through holes respectively sleeved on the two guide rods 110.

Further, in some alternative embodiments, the first telescoping device 107 is located below the guide bar 110 and the second telescoping device 108 is located above the guide bar 110. In such a way, the whole structure of the rubberizing mechanism is more compact.

Alternatively, referring to fig. 4, the upper surface of the guide sleeve 111 is provided with a first recess 116, and a portion of the cylinder of the second telescopic device 108 can be received in the first recess 116. The lower surface of the guide sleeve 111 is provided with a second recess 117, in which a part of the cylinder of the first telescopic device 107 can be accommodated. Referring to fig. 3, the lower surface of the sliding seat 112 is provided with a third recess 118, and a portion of the cylinder of the first telescopic device 107 can be received in the third recess 118. This can further save space and make the overall structure more compact.

Further, in some alternative embodiments, the end of the guiding rod 110 away from the base is provided with a limiting block 113.

The other end of the guide rod 110 is provided with a stopper 113, and the sliding seat 112 can be prevented from falling off from the guide rod 110 by providing the stopper 113.

Further, in certain alternative embodiments, the second telescoping device 108 is provided with a position sensor.

In this embodiment, referring to fig. 1, the position sensor is a groove-type photoelectric switch 114. The sliding seat 112 is provided with an induction sheet 115, when the induction sheet 115 is located in a groove of the groove-type photoelectric switch 114, the first telescopic device 107 stops working, and the position of the rubberizing roller 102 is adjusted by controlling the extension length of a piston rod of the second telescopic device 108, so that the rubberizing roller 102 can be tightly attached to battery cores with different diameters, and the rubberizing action is completed.

Example two

The embodiment provides lithium battery production equipment which comprises the adhesive tape sticking mechanism provided by the embodiment of the utility model.

According to the lithium battery production equipment provided by the embodiment of the utility model, the adhesive sticking mechanism provided by the first embodiment of the utility model is used, so that the green adhesive and the hot melt adhesive can be stuck together compatibly, and the lithium battery production equipment is suitable for producing lithium batteries with more specifications.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. A rubberizing mechanism comprises a base, a movable seat and a rubberizing roller; the base is connected with the movable base; the moving seat is connected with the bracket of the rubberizing roller; the rubber coating machine is characterized in that the moving seat can move relative to the base in the axial direction of the rubber coating roller.

2. The taping mechanism of claim 1, wherein the base comprises a first base; the first base is provided with the regulation hole, it is provided with the fixed orifices to remove the seat, first base with it passes through the fastener and connects to remove the seat.

3. The taping mechanism of claim 2, wherein the first base is provided with length scales, and/or the moving seat is provided with length scales.

4. The rubberizing mechanism according to claim 1, further comprising a rubberizing swing arm and a telescopic assembly; the movable seat is hinged with a bracket of the rubberizing roller through a first hinge shaft, one end of the rubberizing swing arm is fixedly connected with the bracket of the rubberizing roller, and the other end of the rubberizing swing arm is hinged with the telescopic assembly through a second hinge shaft; the axis of the first articulated shaft and the axis of the second articulated shaft are both parallel to the axis of the rubberizing roller; the telescopic assembly is used for enabling the rubberizing roller to rotate around the axis of the first hinge shaft.

5. The rubberizing mechanism according to claim 4, wherein the telescopic assembly comprises a first telescopic device and a second telescopic device, a piston rod of the first telescopic device is connected with the base, a cylinder body of the first telescopic device is connected with a cylinder body of the second telescopic device, and a piston rod of the second telescopic device is hinged with the other end of the rubberizing swing arm through the second hinge shaft; the axis of the piston rod of the second telescopic device is parallel to the axis of the piston rod of the first telescopic device.

6. The rubberizing mechanism according to claim 5, wherein the telescopic assembly further comprises a guide rod, a guide sleeve and a sliding seat, the guide rod is connected with the base, and an axis of the guide rod is parallel to a telescopic direction of the first telescopic device; the guide sleeve is sleeved on the guide rod and can reciprocate along the axis of the guide rod; the cylinder body of the first telescopic device and the cylinder body of the second telescopic device are both fixedly connected with the guide sleeve; the sliding seat is fixedly connected with a piston rod of the second telescopic device, the sliding seat can reciprocate along the axis of the guide rod, and the sliding seat is hinged to the other end of the rubberizing swing arm through the second hinge shaft.

7. The taping mechanism of claim 6, wherein the first telescopic device is located below the guide bar and the second telescopic device is located above the guide bar.

8. The rubberizing mechanism according to claim 6, wherein a limit block is provided at an end of the guide rod away from the base.

9. A taping mechanism according to any one of claims 5 to 8, wherein the second telescopic device is provided with a position sensor.

10. A lithium battery production apparatus characterized by comprising the taping mechanism of any one of claims 1 to 9.

Images