CN208127325U - A kind of soft-package battery stacker mechanism - Google Patents

Abstract

The utility model provides a kind of soft-package battery stacker mechanism, including rack, hoistable platform, servo-drive component, stack positioning guide mechanism and side supporting mechanism, rack includes bottom plate and the side plate perpendicular to bottom plate setting, servo-drive component bottom is fixed on above bottom plate, and side plate installation is close in servo-drive component side；Hoistable platform is installed on servo-drive component, is moved up and down by servo-drive Component driver hoistable platform, placing battery group on hoistable platform；Positioning guide mechanism is stacked to be installed on side plate top and be located at the same upper side of hoistable platform；Side supporting mechanism bottom is fixed on above bottom plate and through hoistable platform, and battery stacks are supported.For the utility model after having stacked single battery module, hoistable platform decline is in stacked position always at the stacking positioning guide mechanism of upper end, guarantee to stack precision, cooperate robot to carry out automatically stacking operation, improves the production efficiency of automated job, reduce the fraction defective of stacking.

Description

A pouch battery stacking mechanism

technical field

The invention relates to the field of battery packaging, in particular to a soft pack battery stacking mechanism.

Background technique

In the pouch battery pack stacking process, high positioning accuracy is required between the upper and lower battery modules. When the number of stacked battery modules is large, it is difficult to guarantee the accuracy. In actual production, due to the large size, large shape error, and soft outer frame of a single battery module, when multiple battery modules are stacked into a battery pack, it is easy to cause positional deviation between the upper and lower battery modules; During the process, there are buckles between the upper and lower battery modules to buckle each other. The buckles are matched with high precision. A slight deflection of the battery module will cause the buckles to break. At present, the stacking of battery modules is mostly manual operation, which consumes a lot of labor and costs. High, but low efficiency. Moreover, due to the soft outer frame of the battery module, when stacking multiple battery modules, the battery module at the upper end is prone to tilt. Therefore, the accuracy of battery pack stacking is the key in the stacking process.

Contents of the invention

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a pouch battery stacking mechanism for solving the problem of poor stacking accuracy in the prior art.

In order to achieve the above purpose and other related purposes, the utility model provides a pouch battery stacking mechanism, including a frame, a lifting platform, a servo drive assembly, a stacking positioning guide mechanism and a side support mechanism. The frame includes a bottom plate and a vertical The side plate arranged on the bottom plate is characterized in that: the bottom of the servo drive assembly is fixed above the bottom plate, and the side of the servo drive assembly is installed close to the side plate; the lifting platform is installed on the servo drive assembly, The servo drive assembly drives the lifting platform to move up and down, and the battery pack is placed on the lifting platform; the stack positioning guide mechanism is installed on the top of the side plate and is located above the same side of the lifting platform; the side support The bottom of the mechanism is fixed above the bottom plate and runs through the lifting platform to support the stack of battery packs.

Preferably, the servo drive assembly includes a servo motor fixed above the bottom plate, a ball screw, and a timing belt connecting the output shaft of the servo motor to one end of the ball screw; the ball screw is axially Installed close to the side plate, the ball screw is provided with a nut fixing block, and the lifting platform is connected with the ball screw through the nut fixing block.

Preferably, the lifting platform includes a lifting platform bracket, and the lifting platform bracket is divided into a side panel and a horizontal plate perpendicular to the side panel, and the side panel is connected to the ball screw through the nut fixing block, so that A battery pack positioning substrate is arranged on the upper surface of the horizontal plate.

Preferably, the stack positioning guide mechanism includes a guide mechanism installation base plate and a clamping mechanism installed on the upper end surface of the guide mechanism installation base plate, the bottom of the guide mechanism installation base plate is fixed to the top end of the side plate through a support plate, A notch is opened on the guide mechanism installation substrate according to the external dimensions of the battery pack, and the notch has a plurality of corners, and each corner is provided with a clamping mechanism through which the battery pack is clamped.

Preferably, the side support mechanism includes an axially fixed base and an optical axis installed above the axially fixed base, the bottom of the axially fixed base is fixed to the bottom plate through a mounting base plate, and the optical axis passes through the The lifting platform bracket and the battery pack positioning substrate.

Preferably, a first groove is provided on the side of the horizontal plate away from the ball screw, and a corresponding hole for the optical axis to penetrate is provided on the side of the battery pack positioning substrate close to the first groove. The second groove, the second groove and the first groove are stacked up and down.

Preferably, a positioning block for positioning the battery pack is provided on the battery pack positioning substrate, and the positioning block positions the corners of the battery pack.

Preferably, the clamping mechanism is composed of a cylinder installed on the installation base plate of the guide mechanism and a guide block installed at the telescopic end of the cylinder, and the telescopic end of the cylinder faces the notch.

Preferably, the side panel is further provided with two linear guide rails, the linear guide rails are installed close to the side panel along the axial direction, and the two linear guide rails are symmetrically arranged on both sides of the ball screw, and the linear guide rails are connected to the The ball screws are parallel to each other.

As mentioned above, the pouch battery stacking mechanism of the present invention has the following beneficial effects:

(1) The battery pack is placed on the lifting platform. After stacking a single battery module, the lifting platform is lowered by a certain distance, so that the stacking position is always at the stacking positioning guide mechanism at the upper end, thus ensuring the stacking accuracy, and cooperates with the robot for automatic stacking operations , which greatly improves the production efficiency of automated operations and reduces the defective rate of stacking.

(2) The optical axis can be adjusted according to the width of battery packs of different specifications. When the width of the second groove cannot meet the requirements of optical axis penetration, the battery pack positioning substrate can be replaced as a whole, so that it can be compatible with different specifications The stacking work of battery packs of different models greatly improves the utilization rate of the equipment.

Description of drawings

Fig. 1 shows the three-dimensional schematic view of the stacking mechanism of the present utility model;

Fig. 2 shows the front view of the utility model stacking mechanism;

Fig. 3 is a three-dimensional schematic diagram showing the combination of the servo drive assembly and the lifting platform of the stacking mechanism of the present invention;

Fig. 4 is a three-dimensional schematic diagram of the stacking positioning and guiding mechanism of the stacking mechanism of the present invention;

Fig. 5 is a perspective schematic diagram of the side support mechanism of the stacking mechanism of the present invention.

Component designation description

1 frame 225 angular contact bearing seat 402 photoelectric switch

111 Frame fixing block 226 Nut fixing block 403 Air cylinder

2 Servo drive assembly 231 Linear guide 404 Guide block

212 Servo motor 3 Lifting platform 5 Side support mechanism

213 Tension nut 311 Lift platform bracket 511 Optical axis

214 Servo motor mount 312 Battery pack positioning base 521 Axial fixing base

222 Timing belt 313 Positioning block 531 Mounting plate

223 Ball Screw 4 Stack Positioning Guide 601 Battery Pack

224 Deep groove ball bearing housing 401 Guide mechanism mounting plate

Detailed ways

The implementation of the present utility model is described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present utility model from the content disclosed in this specification. The utility model can also be implemented or applied through other different specific implementation modes, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the utility model. It should be noted that, in the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic idea of the utility model, and only the components related to the utility model are shown in the diagrams rather than the number of components, Shape and size drawing, the type, quantity and proportion of each component can be changed arbitrarily during actual implementation, and the component layout type may also be more complicated.

Please refer to Figure 1-2, the utility model provides a pouch battery stacking mechanism, including a frame 1, a lifting platform 3, a servo drive assembly 2, a stacking positioning guide mechanism 4 and a side support mechanism 5, the frame 1 It includes a bottom plate and a side plate perpendicular to the bottom plate. The bottom plate is provided with a frame fixing block 111, and the frame 1 is fixedly installed on the external frame through the frame fixing block 111 for connection. The bottom of the servo drive assembly 2 is fixed above the bottom plate, and the side of the servo drive assembly 2 is installed close to the side plate; the lifting platform 3 is installed on the servo drive assembly 2 and driven by the servo drive assembly 2 The lifting platform 3 moves up and down, and the battery pack 601 is placed on the lifting platform 3; the stack positioning guide mechanism 4 is installed on the top of the side plate and is located above the same side of the lifting platform 3; the bottom of the side support mechanism 5 Fixed above the bottom plate, the side support mechanism 5 passes through the lifting platform 3 to support the battery pack 601 to be stacked. The battery pack 601 is placed on the lifting platform 3. After stacking a single battery pack 601, the lifting platform 3 is lowered by a certain distance, so that the stacking position is always at the stacking positioning guide mechanism 4 at the upper end, thereby ensuring the stacking accuracy.

Please refer to FIG. 3 , the servo drive assembly 2 includes a servo motor 212 fixed above the bottom plate, a ball screw 223, and a timing belt 222 connecting the output shaft of the servo motor 212 to one end of the ball screw 223; The servo motor 212 is fixed on the base plate through a servo motor mounting base 214, the servo motor 212 and the servo motor mounting base 214 are fixed and installed through the tension nut 213, and the servo motor 212 and the ball screw 223 are separately arranged on the side plate On both sides, the synchronous belt 222 passes through the side plate to connect the ball screw 223 and the output shaft of the servo motor 212 . The said ball screw 223 is installed close to the said side plate along the axial direction, said ball screw 223 is provided with a nut fixing block 226, said lifting platform 3 is connected with said ball screw 223 through said nut fixing block 226 In this embodiment, the servo motor 212 is controlled by PLC to perform positioning, and the rotation of the servo motor 212 is controlled to drive the lifting platform 3 to move up and down. There are also two bearing seats on the ball screw 223, one of which is set close to the timing belt 222, and the bearing seat adopts an angular contact bearing seat 225; At the end, the bearing seat adopts deep groove ball bearing seat 224. The sides of the two bearing seats are fixed on the side plates to further support the ball screw 223, to ensure that the bearing seats at both ends can bear the axial force at the same time, and to apply proper pre-tightening force to the screw to improve The supporting stiffness of the screw can also be partially compensated for the thermal deformation of the screw.

Preferably, the lifting platform 3 includes a lifting platform bracket 311, the lifting platform bracket 311 is divided into a side panel and a horizontal plate perpendicular to the side panel, and the side panel is connected to the ball wire through the nut fixing block 226 Bar 223, a battery pack positioning substrate 312 is arranged on the upper surface of the horizontal plate, and a positioning block 313 for positioning the battery pack 601 is arranged on the battery pack positioning base plate 312, and the positioning block 313 positions the corners of the battery pack 601. The side panel is also provided with two linear guide rails 231, and the linear guide rails 231 are installed close to the side panel along the axial direction. The two linear guide rails 231 are symmetrically arranged on both sides of the ball screw 223. The linear guide rails 231 The ball screw 223 is parallel to each other, and the linear guide rail 231 cooperates with the ball screw 223 to ensure the stability of the lifting platform support 311 moving up and down.

Please refer to FIG. 4 , the stack positioning guide mechanism 4 includes a guide mechanism installation base plate 401 and a clamping mechanism installed on the upper end surface of the guide mechanism installation base plate 401, and the bottom of the guide mechanism installation base plate 401 is fixed on the base plate through a support plate. At the top of the side plate, a notch is opened on the guide mechanism installation substrate 401 according to the external dimensions of the battery pack 601. The notch has a plurality of corners, and each corner is provided with a clamping mechanism, which is clamped by the clamping mechanism. The battery pack 601, the clamping mechanism is composed of a cylinder 403 installed on the installation base plate 401 of the guide mechanism and a guide block 404 installed at the telescopic end of the cylinder 403, and the telescopic end of the cylinder 403 faces the gap. In order to prevent the battery pack 601 from being stuck on the guide block 404 when the lifting platform 3 descends, a cylinder is used to drive the guide block 404 to prevent it from being stuck. A photoelectric switch 402 is also installed on the guide mechanism installation substrate 401 , and the photoelectric switch 402 is used to detect whether there is a robot clamp above the stack positioning guide mechanism 4 to clamp the battery module.

Please refer to FIG. 5 , the side support mechanism 5 includes an axially fixed base 521 and an optical axis 511 installed above the axially fixed base 521 , and the bottom of the axially fixed base 521 is fixed to the bottom plate through a mounting base 531 , the optical axis 511 runs through the lifting platform bracket 311 and the battery pack positioning substrate 312, and the optical axis 511 adopts a chrome-plated optical axis to increase the smoothness, corrosion resistance and wear resistance of the surface of the optical axis 511. Use the side support mechanism 5 to support the side of the battery pack 601. After the battery pack 601 is stacked, the manipulator provides side support for the battery pack 601 when picking up the battery pack 601, so that the battery pack 601 will not shift.

Preferably, referring to FIG. 3 , a first groove is provided on the side of the horizontal plate away from the ball screw 223 , and the side of the battery pack positioning substrate 312 close to the first groove is provided with a corresponding The optical axis 511 penetrates through the second groove, the second groove overlaps with the first groove up and down, the width of the first groove is larger than that of the second groove, and the width of the second groove is larger than that of the optical axis 511. diameter of shaft 511 . The optical axis 511 can be adjusted accordingly according to the width of the battery pack 601 of different specifications. When the width of the second groove cannot meet the requirements for the optical axis 511 to penetrate, the battery pack positioning substrate 312 can be replaced as a whole, so that it can be compatible with different The stacking of battery packs 601 of standard models greatly improves the utilization rate of the equipment.

working principle:

Fix the frame 1 on the external frame, and the servo motor 212 raises the lifting platform bracket 311 through the ball screw 223 until the distance between the battery pack positioning substrate 312 and the stacking guide mechanism is a thickness of the battery module. At this time, the robot clamp Clamp the first battery module and move it, and put it between the clamping mechanism from the gap of the stack positioning guide mechanism 4. At this time, the bottom of the first battery module does not touch the battery pack positioning substrate 312. At this time, the photoelectric switch 402 detects the battery Module, the photoelectric switch 402 detection signal is transmitted to the clamping mechanism, the clamping mechanism clamps the outside of the first battery module, the robot clamp presses the first battery module onto the battery pack positioning base 312, and the positioning block on the battery pack positioning base 312 313 defines the position of the first battery module, and the side of the first battery module is close to the optical axis 511 to complete the placement of the first battery module. At this time, the lifting platform support 311 descends until the distance between the stacking position at the top of the first battery module and the stacking guide mechanism is a battery module thickness distance. When the gap enters the stacking position, it is detected by the photoelectric switch 402 and then transmitted to the clamping mechanism. The clamping mechanism clamps the outside of the second battery module, and after defining the external position of the second battery module, the robot clamp presses the battery module down to the first battery module. At the top of the module, snap the first battery module and the second battery module together, and the subsequent battery stacking action is the same as the second battery module stacking action. After the stacking of the battery pack 601 is completed, the robot gripper takes out the stacked battery pack 601 as a whole from the gap.

In this embodiment, the battery pack 601 is placed on the lifting platform 3. After stacking a single battery module, the lifting platform 3 is lowered by a certain distance, so that the stacking position is always at the upper stack positioning guide mechanism 4, thereby ensuring the stacking accuracy. Cooperating with robots for automated stacking operations greatly improves the production efficiency of automated operations and reduces the defective rate of stacking.

The above-mentioned embodiments only illustrate the principles and effects of the present utility model, but are not intended to limit the present utility model. Anyone familiar with this technology can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed in the utility model should still be covered by the claims of the utility model.

Claims (9)

1. a kind of soft-package battery stacker mechanism, including rack (1), hoistable platform (3), servo-drive component (2), stacking are positioned and are led To mechanism (4) and side supporting mechanism (5), the rack (1) includes bottom plate and the side plate perpendicular to bottom plate setting, and feature exists In：Servo-drive component (2) bottom is fixed on above the bottom plate, which is close to the side Plate installation；The hoistable platform (3) is installed on the servo-drive component (2), as described in the servo-drive component (2) driving Hoistable platform (3) moves up and down, placing battery group (601) on the hoistable platform (3)；The stacking positioning guide mechanism (4) It is installed on the side plate top and is located at the hoistable platform (3) same to upper side；Side supporting mechanism (5) bottom is fixed on Above the bottom plate and run through the hoistable platform (3), support battery pack (601) stacks.

2. soft-package battery stacker mechanism according to claim 1, it is characterised in that：The servo-drive component (2) includes Servo motor (212), ball-screw (223) above the one fixed bottom plate, by the servo motor (212) output shaft and institute State the connected synchronous belt (222) in ball-screw (223) one end；The ball-screw (223) is close to the side plate installation along axial, A nut fixed block (226) is provided on the ball-screw (223), the hoistable platform (3) passes through the nut fixed block (226) it is connected with the ball-screw (223).

3. soft-package battery stacker mechanism according to claim 2, it is characterised in that：The hoistable platform (3) includes one liter It drops platform support (311), which is divided into side panel and the level board perpendicular with the side panel, institute It states side panel and the ball-screw (223) is connected by the nut fixed block (226), the level board upper surface is provided with one Battery pack positions substrate (312).

4. soft-package battery stacker mechanism according to claim 2, it is characterised in that：The stacking positioning guide mechanism (4) Comprising a guiding mechanism installation base plate (401) and it is installed on the clamping mechanism of guiding mechanism installation base plate (401) upper surface, The side plate top, the guiding mechanism installation are fixed on by a support plate in guiding mechanism installation base plate (401) bottom A notch is opened up according to the battery pack (601) outer dimension on substrate (401), which has multiple corners, each side Angle is arranged a clamping mechanism and clamps battery pack (601) by the clamping mechanism.

5. soft-package battery stacker mechanism according to claim 3, it is characterised in that：The side supporting mechanism (5) includes Axial restraint pedestal (521) and the optical axis (511) being installed on above axial restraint pedestal (521), the axial restraint pedestal (521) bottom plate is fixed on by an installation base plate (531) in bottom, and the optical axis (511) runs through the hoistable platform bracket (311) and the battery pack positions substrate (312).

6. soft-package battery stacker mechanism according to claim 5, it is characterised in that：Far from ball-screw on the level board (223) the first groove is offered on side, battery pack positioning substrate (312) sets on the side of first groove Have to the second groove run through applied to the optical axis (511), second groove and the first groove are stacked up and down.

7. soft-package battery stacker mechanism according to claim 6, it is characterised in that：The battery pack positions substrate (312) On be provided with the locating piece (313) of positioning battery pack (601), the locating piece (313) positions battery pack (601) corner.

8. soft-package battery stacker mechanism according to claim 4, it is characterised in that：The clamping mechanism is described by being mounted on Cylinder (403) on guiding mechanism installation base plate (401) and guide pad (404) group for being mounted on the cylinder (403) telescopic end At, cylinder (403) telescopic end towards the notch.

9. soft-package battery stacker mechanism according to claim 3, it is characterised in that：The side panel is additionally provided with two straight lines and leads Rail (231), the linear guide (231) are close to the side plate installation along axial, which is symmetrically disposed on institute Ball-screw (223) two sides are stated, the linear guide (231) and the ball-screw (223) are parallel to each other.