Lithium battery cap pressure welding equipment

Abstract

The utility model discloses lithium battery cap pressure welding equipment which comprises an equipment base, an upper machine table is fixedly installed on the upper surface of the equipment base, bearing seats are fixedly installed on the two sides of the upper surface of the upper machine table, a ball screw is rotationally connected between the two bearing seats, and a threaded seat is arranged on the outer surface of the ball screw. The threaded seat is in threaded connection with the ball screw, a motor box is fixedly installed on the upper surface of the threaded seat through bolts, a transposition motor is fixedly installed in the motor box, a transposition rotating disc is fixedly installed at the top end of an output shaft of the transposition motor, a workpiece table is arranged on the transposition rotating disc, and four evenly-distributed inner grooves are formed in the upper surface of the workpiece table. According to the utility model, the lithium battery body can be effectively and stably clamped and limited in the pressure welding process through the wrapping of the sinking groove type structure of the inner groove and the elastic clamping effect of the clamping spring, so that the structural stability of the lithium battery body in the pressure welding process is improved, and the situation that the lithium battery body shakes or topples over due to pressure is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery processing technical field, concretely is a kind of lithium battery cap pressure welding equipment. BACKGROUND

[0002] Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries do not contain metallic lithium and are rechargeable. The fifth generation product of rechargeable batteries, lithium metal batteries, was born in 1996, and its safety, specific capacity, self-discharge rate and performance-price ratio are superior to lithium-ion batteries.

[0003] Traditional lithium battery cap pressure welding mainly relies on manual fixing of lithium batteries under the pressure welding mechanism, then placing the cap on the lithium battery, and pressure welding by manual operation or simple mechanical device. However, it is difficult to stabilize the pressure welding process of lithium batteries during cap pressure welding, and lithium batteries are prone to shaking or tilting due to pressure welding pressure, reducing the stability during work. Manual cap operation directly under the pressure welding mechanism poses a certain safety hazard, and if the machine malfunctions, the pressure welding structure above can cause harm to workers, affecting production safety. Therefore, the utility model provides a lithium battery cap pressure welding equipment. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of lithium battery cap pressure welding equipment to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of lithium battery cap pressure welding equipment, including equipment seat, the upper surface of the equipment seat is fixedly installed with upper machine table, the upper surface both sides of the upper machine table are fixedly installed with bearing seat, rotatingly connected with ball screw between two bearing seats, the outer surface of the ball screw is provided with screw seat, the screw seat is connected with ball screw by screw thread, the upper surface of the screw seat is fixedly installed with motor box by bolt, the inside of the motor box is fixedly installed with transposition motor, the output shaft top of the transposition motor is fixedly installed with transposition turntable, the transposition turntable is provided with workpiece table, the upper surface of the workpiece table is provided with four evenly distributed inner grooves, the inner groove is circular groove, four evenly distributed clamping springs are fixedly installed on the inner wall of each inner groove, the top of each clamping spring is fixedly installed with arc clamping piece.

[0006] Preferably, one end of the ball screw is fixedly connected to the output shaft of the servo motor through a shaft coupling, and the servo motor is fixedly installed on the outer wall of the motor mounting plate, and the motor mounting plate is fixedly installed on the side wall of the upper machine table.

[0007] Preferably, the upper surface of the upper machine platform is provided with an upper machine frame fixed by bolts, and the center of the upper surface of the upper machine frame is provided with a servo air cylinder fixed by bolts.

[0008] Preferably, the output end of the servo air cylinder is movably connected with an air pressure rod, and the bottom end of the air pressure rod is fixedly provided with a pressure welding head.

[0009] Preferably, the two sides of the ball screw are fixedly provided with guide rails on the outer surface of the upper machine platform, and the threaded seat is limitingly and slidably connected between the two guide rails.

[0010] Preferably, the side outer wall of the equipment seat is movably hinged with an access door by a hinge, and the bottom end of the equipment seat is fixedly provided with a plurality of evenly distributed supporting legs.

[0011] Compared with the prior art, the lithium battery cap pressure welding equipment has the following beneficial effects:

[0012] The lithium battery cap pressure welding equipment can automatically feed and discharge materials through threaded transmission, and the workpiece table is placed in the outside safe area of the pressure welding mechanism when the staff performs the material taking and placing operation, so that the safety risk caused by machine failure or accidental touch can be effectively avoided, the machining safety of the machine is effectively improved, the safety hidden danger is reduced, the staff is prevented from being injured by the pressure welding mechanism, the use safety is high, the feeding and discharging work can be automatically performed, manual feeding is not needed, and the structure is more convenient to use.

[0013] Compared with the traditional machine which performs single feeding and single pressure welding, the lithium battery cap pressure welding equipment can complete the pressure welding of four groups of lithium batteries in a single feeding and discharging process, the traditional machine needs to perform feeding and discharging four times to complete the pressure welding of four groups of lithium batteries, the feeding and discharging time is saved, the overall working speed is effectively improved, and the production efficiency is improved.

[0014] Meanwhile, the inner groove sinking structure and the elastic clamping action of the clamping spring can effectively stably clamp and position the lithium battery body during the pressure welding process, improve the structural stability of the lithium battery body during the pressure welding process, prevent the lithium battery body from shaking or toppling due to pressure, improve the working quality and working efficiency of the pressure welding, and have good practical use effect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The utility model discloses a right view solid structure schematic diagram of pressure welding equipment of embodiment of the utility model;

[0016] Figure 2 The utility model discloses a left view solid structure schematic diagram of pressure welding equipment of embodiment of the utility model;

[0017] Figure 3 The utility model discloses a screw seat upper surface assembly structure schematic diagram of embodiment of the utility model;

[0018] Figure 4 The utility model discloses a motor box internal structure schematic diagram of embodiment of the utility model;

[0019] Figure 5 The utility model discloses a A area amplification structure schematic diagram of embodiment of the utility model Figure 3 .

[0020] In the figure: 1, equipment seat, 2, upper machine table, 3, bearing seat, 4, ball screw, 5, screw seat, 6, motor box, 7, transposition motor, 8, transposition carousel, 9, workpiece table, 10, inner recess, 11, clamping spring, 12, arc clamping piece, 13, servo motor, 14, upper rack, 15, servo cylinder, 16, air pressure rod, 17, pressure welding head, 18, guide rail. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] In the description of the utility model, it is necessary to explain that the orientation or position relation indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "another end" and the like is the orientation or position relation shown based on the drawing, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation to the utility model. In addition, the terms "first", "second" are only for the description purpose, and can not be understood as indicating or implying relative importance.

[0023] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "set with", "connect" and the like should be understood broadly, for example, "connect", can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be the communication inside two elements.For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.

[0024] Please refer to Figures 1-5 The utility model provides an embodiment: a kind of lithium battery cap pressure welding equipment, including equipment seat 1, the upper surface of equipment seat 1 is fixedly installed with upper machine table 2, the upper surface both sides of upper machine table 2 are fixedly installed with bearing seat 3, rotationally connected with ball screw 4 between two bearing seats 3, the outer surface of ball screw 4 is provided with screw seat 5, screw seat 5 is threadedly connected between ball screw 4, so when ball screw 4 is rotated, the screw seat 5 threadedly connected thereon can be moved left and right along ball screw 4, so that the feeding and material withdrawal work of the structural assembly on screw seat 5 can be driven to carry out pressure welding, ensure safe processing use effect;

[0025] And in order to drive ball screw 4 to carry out the positive and negative rotation of automation, one end of ball screw 4 is fixedly connected with the output shaft of servo motor 13 through coupling, servo motor 13 is fixedly installed on the outer wall of motor mounting plate, and motor mounting plate is fixedly installed on the side wall of upper machine table 2, so that the servo motor 13 set can drive ball screw 4 to carry out the positive and negative rotation of automation through its output shaft;

[0026] Further, the upper surface of screw seat 5 is fixedly installed with motor box 6 by bolt, motor box 6 is fixedly installed with transposition motor 7 in the inside, the output shaft top end of transposition motor 7 is fixedly installed with transposition turntable 8, and the rotation work of the specified angle of transposition turntable 8 can be driven by the transposition motor 7 set;

[0027] Specifically referring to the drawings of the specification Figure 3 And Figure 5 As shown in the drawings, workpiece table 9 is arranged on transposition turntable 8, four evenly distributed inner grooves 10 are formed in the upper surface of workpiece table 9, the inner groove 10 is circular groove, four evenly distributed clamping springs 11 are fixedly installed on the inner wall of each inner groove 10, and the top end of each clamping spring 11 is fixedly installed with arc-shaped clamp 12;

[0028] According to the above structure, when the lithium battery needs to be capped and pressure welded, the lithium battery that needs to be pressure welded is placed in the inner groove 10 of the workpiece table 9. During the process of placing the lithium battery body into the inner groove 10, the outer wall of the lithium battery body is extruded outwardly to the arc-shaped clamping piece 12, so that the arc-shaped clamping piece 12 inside is extruded to the clamping spring 11 outside, and the clamping spring 11 is in a compressed state.

[0029] The clamping spring 11 in the compressed state generates a certain elastic rebound force, so that the lithium battery body in the center is elastically clamped by the elastic rebound force of the clamping spring 11. In the subsequent pressure welding process, the lithium battery body is stably clamped and limited by the structure of the inner groove 10 and the elastic clamping action of the clamping spring 11, the structural stability of the lithium battery body during pressure welding is improved, the lithium battery body is prevented from shaking or toppling due to pressure, the working quality and efficiency of pressure welding are improved, and the lithium battery body has good practical use effect.

[0030] In the embodiment, in order to ensure normal pressure welding work, the upper surface of the upper table 2 is fixedly provided with an upper rack 14 through bolts, and the upper surface of the upper rack 14 is fixedly provided with a servo air cylinder 15 through bolts.

[0031] Further, the output end of the servo air cylinder 15 is movably connected with a pneumatic rod 16, and the bottom end of the pneumatic rod 16 is fixedly provided with a pressure welding head 17.

[0032] The structure design, the servo air cylinder 15 can drive the pneumatic rod 16 to extend and retract, when the pneumatic rod 16 extends, the pressure welding head 17 at the bottom end is driven to descend, so that the pressure welding head 17 can complete the pressure welding work of the lower cap, and when the pneumatic rod 16 drives the pressure welding head 17 to rise, the reset work of the cap pressure welding is completed, and the normal use effect is ensured.

[0033] In the embodiment, in order to improve the displacement guiding property of the screw seat 5 when feeding and withdrawing materials, the screw seat 5 moves in a straight line, and the outer surfaces of the two sides of the ball screw 4 are fixedly provided with guide rails 18, and the screw seat 5 is limitingly and slidably connected between the two guide rails 18.

[0034] The interaction effect of the screw seat 5 and the guide rail 18 can effectively ensure that the displacement guiding property of the screw seat 5 when feeding and withdrawing materials is straight, and the displacement deviation is avoided.

[0035] Working principle: when the utility model is used, the initial state of the equipment machine is as shown in the description Figure 1As shown, at this time, the staff will need to put the lithium battery into the inner groove 10 of the workbench 9, and during the process of putting the lithium battery into the inner groove 10, the outer wall of the lithium battery will extrude the arc-shaped clamp 12 to the outside, so that the arc-shaped clamp 12 inside extrudes the clamping spring 11 of the outer wall, and the clamping spring 11 is in a compressed state;

[0036] The clamping spring 11 in the compressed state will produce a certain elastic resilience, so that the elastic resilience of the clamping spring 11 inside the single inner groove 10 can elastically clamp the lithium battery body in the center, and in the subsequent pressure welding process, the lithium battery body is effectively clamped and positioned during the pressure welding process by the structure of the inner groove 10 and the elastic clamping action of the clamping spring 11, the structural stability of the lithium battery body during the pressure welding process is improved, the shaking or tilting of the lithium battery body due to pressure is avoided, the working quality and efficiency of the pressure welding are improved, and good actual use effect is obtained;

[0037] When the four inner grooves 10 of the workbench 9 are put into the lithium battery body which needs to be pressure welded, the worker places the cap on the lithium battery body 1 one by one, and then the servo motor 13 is set to work;

[0038] When the servo motor 13 works, the ball screw 4 is driven to rotate forward, and when the ball screw 4 rotates forward, the threaded seat 5 connected with the ball screw 4 can move from right to left along the ball screw 4, so that the lithium battery body on the workbench 9 is sent to the machining position below the pressure welding head 17;

[0039] Then the servo cylinder 15 is set to drive the pressure welding head 17 to descend through the air pressure rod 16, and at this time the descending pressure welding head 17 can cap the lithium battery body and the cap below for pressure welding work;

[0040] When the first lithium battery body is pressure welded, the pressure welding head 17 is lifted a small distance under the drive of the air pressure rod 16, so that the transposition motor 7 is set to work, and the transposition motor 7 can drive the workbench 9 to rotate 90° when working, so that the first pressure welded lithium battery body is transposed and turned out from the front of the pressure welding head 17, and the new lithium battery body to be pressure welded is transposed and turned into the front of the pressure welding head 17;

[0041] Then, the pressure welding head 17 is lowered again to complete the second cap pressure welding work, and then the reciprocating transposition pressure welding operation described above can be used to complete the transposition cap processing of the four lithium battery bodies respectively;

[0042] After the four lithium battery bodies are pressure welded, the servo motor 13 is reversed at this time, so that the servo motor 13 can drive the ball screw 4 to be reversed, and at this time, the threaded seat 5 connected with the threads is moved from right to left, so as to complete the automatic material returning work after pressure welding;

[0043] After the threaded seat 5 is reset, the workers can take off the four pressure-welded lithium battery bodies respectively, put in new lithium battery bodies and cap bodies, and can perform the cap pressure welding work in a cycle through the above-mentioned mode.

[0044] According to the above structure, the lithium battery cap pressure welding equipment of the utility model can realize automatic feeding and material returning through threaded transmission, compared with the traditional operation mode, when the workers perform the material taking and placing operation, the workpiece table is arranged in the outside safe area of the pressure welding, and the material taking and placing operation does not need to be directly performed under the pressure welding mechanism, so that the safety risk caused by machine failure or accidental touch can be effectively avoided, the machining safety of the machine is effectively improved, the safety hidden danger is reduced, the workers are prevented from being damaged by the pressure welding mechanism, the use safety is high, the feeding and material returning work can be automatically performed, manual feeding is not needed, and the structure is more convenient to use.

[0045] The workpiece table of the utility model can place four lithium battery pressure welding machining workpieces, and the automatic conversion and transposition work can be performed during pressure welding, so that the overall work efficiency of the pressure welding can be effectively improved, compared with the traditional machine which performs single feeding and single pressure welding, the pressure welding of four groups of lithium batteries can be completed in a single feeding and material returning process, the traditional machine needs to perform feeding and material returning four times to complete four groups of pressure welding, the utility model saves the feeding and material returning time, so that the overall work speed can be effectively improved, and the production efficiency is improved.

[0046] It is apparent for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, the scope of the utility model is defined by the appended claims instead of the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A lithium battery cap crimping apparatus comprising an apparatus seat (1), characterized in that, The upper surface of the equipment seat (1) is fixedly installed with an upper machine table (2), both sides of the upper surface of the upper machine table (2) are fixedly installed with bearing seats (3), a ball screw (4) is rotatably connected between the two bearing seats (3), the outer surface of the ball screw (4) is provided with a threaded seat (5), the threaded seat (5) is threadedly connected with the ball screw (4), the upper surface of the threaded seat (5) is fixedly installed with a motor box (6) through bolts, the inside of the motor box (6) is fixedly installed with a transposition motor (7), the output shaft top end of the transposition motor (7) is fixedly installed with a transposition turntable (8), the transposition turntable (8) is provided with a workpiece table (9), the upper surface of the workpiece table (9) is provided with four evenly distributed inner grooves (10), the inner grooves (10) are circular grooves, four evenly distributed clamping springs (11) are fixedly installed on the inner wall of each inner groove (10), the top end of each clamping spring (11) is fixedly installed with an arc-shaped clamping piece (12).

2. The lithium battery cap crimping device of claim 1, wherein: One end of the ball screw (4) is fixedly connected with the output shaft of a servo motor (13) through a shaft coupling, the servo motor (13) is fixedly installed on the outer wall of a motor mounting plate, and the motor mounting plate is fixedly installed on the side wall of the upper machine table (2).

3. The lithium battery cap crimping device of claim 1, wherein: The upper surface of the upper machine table (2) is fixedly installed with an upper machine frame (14) on one side through bolts, and the upper surface of the upper machine frame (14) is fixedly installed with a servo air cylinder (15) at the center position through bolts.

4. The lithium battery cap crimping apparatus of claim 3, wherein: The output end of the servo air cylinder (15) is movably connected with an air pressure rod (16), and the bottom end of the air pressure rod (16) is fixedly installed with a pressure welding head (17).

5. The lithium battery cap crimping apparatus of claim 1, wherein: Both sides of the ball screw (4) and located on the outer surface of the upper machine table (2) are fixedly installed with guide rails (18), and the threaded seat (5) is limitingly and slidably connected with the guide rails (18) on both sides.

6. The lithium battery cap crimping device of claim 1, wherein: A maintenance door is hingedly connected to the outer wall of one side of the equipment seat (1), and a plurality of evenly distributed supporting legs are fixedly installed on the bottom lower surface of the equipment seat (1).

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