CN108054329B - A fully automatic battery module locking device - Google Patents

Abstract

The invention discloses a fully automatic battery module locking device, which comprises: a battery module, on which a plurality of screws are arranged, each screw penetrates the battery module, and each screw includes a top part and a threaded part ; Nut positioning mechanism, arranged on the side adjacent to the threaded portion, used for positioning the nut to be installed, so that the axis of the nut to be installed and the screw rod coincide, and each nut to be installed corresponds to a screw rod; torque adjustable screw locking mechanism, set in The side adjacent to the top end is used to determine the locking torque, and under the action of the locking torque, the screw is driven to rotate around the axis of the screw, so that the nut to be installed is installed at the preset position of the threaded portion. The invention realizes the automatic tightening of the screw and the nut through the nut positioning mechanism and the torque-adjustable screw locking mechanism, which not only avoids the leakage of tightening, but also avoids the inconsistent locking torque, so that the thickness of the battery module after locking is consistent, thereby reducing the The labor cost is reduced, and the quality and production efficiency of the battery module are also improved.

Description

A fully automatic battery module locking device

technical field

The invention relates to the technical field of battery module assembly equipment, in particular to a fully automatic battery module locking device.

Background technique

Lithium battery modules used in electric vehicles, electric bicycles, power tools, and communication equipment backup power supply often have a battery module end face nut locking process in the production process engineering.

At present, the nut locking on the end face of the battery module is performed manually. When different or the same person operates, the nut lock of some battery modules is too tight, and the nut lock of some battery modules is too loose, so the consistency of manual operation is poor, so that the thickness of the battery modules is consistent Poor performance, which in turn affects the quality of the battery module.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a fully automatic battery module locking device to solve the technical problem that the existing battery module locking method has inconsistent thickness of the battery module, thereby affecting the quality of the battery module.

In order to solve the above problems, the present invention provides a fully automatic battery module locking device, which includes:

The battery module is provided with a plurality of screws, each screw penetrates the battery module, and each screw includes a top portion and a thread portion;

a nut positioning mechanism, disposed on one side adjacent to the threaded portion, for positioning the nut to be installed so that the axis of the nut to be installed coincides with the axis of the screw rod, and each nut to be installed corresponds to one screw rod; and

The torque-adjustable screw locking mechanism is arranged on the side adjacent to the top end to determine the locking torque, and under the action of the locking torque, the screw is driven to rotate around the axis of the screw, so that the nut to be installed is installed to the preset of the screw. Location.

As a further improvement of the present invention, the nut positioning mechanism includes:

a first Y-axis motion module; and

The first Z-axis motion module, the top of which is connected to the first Y-axis motion module, and is provided with a nut positioning assembly. The nut positioning assembly includes a bin for accommodating the nut to be installed, a nut installation positioning hole and a nut Rotary push assembly, a nut installation positioning hole is set under the silo, a nut rotation push assembly is set behind the nut installation positioning hole, the first Z-axis motion module is used to move left and right relative to the first Y-axis motion module, and the nut positioning assembly The movement module moves up and down relative to the first Z-axis, so that the nut mounting positioning hole moves to the designated position.

As a further improvement of the present invention, the nut rotation push assembly includes:

a nut pushing cylinder, the output shaft of which is used to drive the nut rotating motor to move parallel to the axis of the nut to be installed; and

The nut rotation motor is arranged behind the nut installation positioning hole. The nut rotation motor is used to push the to-be-installed nut from the silo into the nut installation and positioning hole, and drive the to-be-installed nut to rotate around the nut axis, so that the to-be-installed nut Tighten the threaded part.

As a further improvement of the present invention, it also includes:

The automatic nut feeding mechanism is used to automatically transport the nuts to be installed into the silo.

As a further improvement of the present invention, the nut automatic feeding mechanism includes:

The feeding vibrating plate assembly includes a hopper, a vibrating plate is arranged in the hopper, and the discharge port of the hopper is located above the vibrating plate;

The nut conveying assembly includes a nut conveying pipe, one end of the nut conveying pipe is connected with the discharge port, the other end of the nut conveying pipe is connected with the silo, and the shape of the lumen cross section of the nut conveying pipe matches the axial cross section of the nut to be installed .

As a further improvement of the present invention, the torque adjustable screw locking mechanism includes:

A second Y-axis motion module, and

The top of the second Z-axis motion module is connected to the second Y-axis motion module, and a screwdriver push assembly is provided on the top of the second Z-axis motion module. The screwdriver push assembly includes a screwdriver push cylinder and a torque-adjustable screwdriver. The second Z-axis The movement module is used to move left and right relative to the second Y-axis movement module, and the screwdriver push assembly moves up and down relative to the second Z-axis movement module, so that the torque-adjustable screwdriver is in contact with the top part, and the screwdriver push cylinder drives The torque-adjustable screwdriver is rotated to drive the screw to rotate, so that the nut to be installed is installed at the preset position of the threaded portion.

As a further improvement of the present invention, it also includes:

The flip mechanism is used to flip the battery modules stacked horizontally by 90°.

As a further improvement of the present invention, the overturning mechanism includes:

a clamping assembly for fixedly clamping the battery modules that are stacked horizontally; and

The flipping motor is used to drive the clamping assembly and drive the battery module to flip 90°.

As a further improvement of the present invention, the clamping assembly includes:

a fixed clamping claw abutting against the bottom of the battery modules that are stacked horizontally;

a movable gripper, which is arranged opposite to the fixed gripper;

The clamping cylinder is connected with the movable clamping jaw, and the clamping cylinder controls the movable clamping jaw to move up and down relative to the fixed clamping jaw, so as to fix and clamp the horizontally stacked battery modules.

As a further improvement of the present invention, it also includes:

The clamping mechanism is used for clamping the locked battery module, and a nut is installed at the preset position of each screw thread part of the locked battery module.

Compared with the prior art, the present invention realizes the automatic tightening of the screw and the nut under the action of the locking torque set in real time through the nut positioning mechanism and the torque-adjustable screw locking mechanism, which avoids both leakage and locking. Inconsistent torque, so that the thickness of the battery module after locking is inconsistent, which not only reduces labor costs, but also improves the quality and production efficiency of the battery module.

Description of drawings

1 is a schematic diagram of the overall structure of an embodiment of the fully automatic battery module locking device of the present invention;

2 is a schematic structural diagram of an embodiment of a battery module in the fully automatic battery module locking device of the present invention;

3 is a partial structural schematic diagram of an embodiment of the fully automatic battery module locking device of the present invention;

4 is a schematic structural diagram of an embodiment of a nut positioning mechanism in the fully automatic battery module locking device of the present invention;

5 is a schematic structural diagram of an embodiment of the nut rotary push assembly in FIG. 4;

6 is a schematic structural diagram of an embodiment of an automatic nut feeding mechanism in the fully automatic battery module locking device of the present invention;

7 is a schematic structural diagram of an embodiment of a torque-adjustable screw locking mechanism in the fully automatic battery module locking device of the present invention;

FIG. 8 is a schematic structural diagram of an embodiment of a turning mechanism in the fully automatic battery module locking device of the present invention.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

FIG. 1 shows an embodiment of the fully automatic battery module locking device of the present invention. In this embodiment, the fully automatic battery module locking device includes a battery module 1 , a nut positioning mechanism 2 , a torque adjustable screw locking mechanism 3 , a turning mechanism 4 , an automatic nut feeding mechanism 5 and a clamping mechanism 6 .

1 , the clamping mechanism 6 is used for clamping the locked battery module 1 , and a nut is installed at a preset position of the threaded portion 111 of each screw 11 of the locked battery module 1 .

Specifically, the clamping mechanism 6 clamps the locked battery module 1 and transports it to the next station, which is convenient for subsequent processes, thereby improving the intelligence of the fully automatic battery module locking device of the present invention, so as to improve the user Use experience.

Further, referring to FIG. 2 , the battery module 1 is provided with a plurality of screws 11 , each screw 11 penetrates the battery module 1 , and each screw 11 includes a top portion 110 and a threaded portion 111 .

It should be noted that, in order to improve the locking degree of the battery module, 8 screws are preferably arranged in this embodiment, and 4 screws are arranged on the long side of each battery module.

Further, referring to FIG. 3 , the nut positioning mechanism 2 is provided on the side adjacent to the threaded portion 111 for positioning the nut to be installed so that the axis of the nut to be installed coincides with the axis of the screw rod 11 , and each nut to be installed corresponds to one screw rod 11 . The torque-adjustable screw locking mechanism 3 is arranged on the side adjacent to the top end portion 110 to determine the locking torque, and under the action of the locking torque, the screw rod 11 is driven to rotate around the axis of the screw rod 11, so that the nut to be installed is installed on the threaded portion 111's preset position.

In this embodiment, through the nut positioning mechanism and the torque-adjustable screw locking mechanism, the screw and the nut are automatically tightened under the action of the locking torque set in real time, which not only avoids the leakage of tightening, but also avoids the inconsistent locking torque, resulting in locking. The problem of inconsistent thickness of the rear battery module not only reduces the labor cost, but also improves the quality and production efficiency of the battery module.

On the basis of the above embodiment, in other embodiments, referring to FIG. 3 , the nut automatic feeding mechanism 5 is used to automatically transport the nuts to be installed into the silo.

This embodiment automatically transports the nuts to be installed into the silo, which further improves the locking rate of the battery module and the intelligence of the fully automatic battery module locking device of this embodiment, thereby improving the user experience .

On the basis of the above-mentioned embodiment, in other embodiments, referring to FIG. 3 , the inversion mechanism 4 is used for inverting the battery modules 1 that are stacked horizontally by 90°.

In this embodiment, the battery module is automatically turned over, so as to avoid the problem of the battery cell shifting when manually turning over, thereby further improving the quality of the locked battery module.

Further, referring to FIG. 4 , the nut positioning mechanism 2 includes a first Y-axis motion module 20 and a first Z-axis motion module 21 . The top of the first Z-axis motion module 21 is connected to the first Y-axis motion module 20 . The first Z-axis motion module 21 is provided with a nut positioning assembly 210. The nut positioning assembly 210 includes a silo 2100 for accommodating nuts to be installed, a nut installation positioning hole 2101 and a nut rotating push assembly 2102. A nut installation and positioning hole 2101 is provided, and a nut rotation and push assembly 2102 is arranged behind the nut installation and positioning hole 2101. The first Z-axis motion module 21 is used to move left and right relative to the first Y-axis motion module 20, and the nut positioning assembly 210 is relative to the The first Z-axis movement module 21 moves up and down, so that the nut mounting positioning hole 2101 moves to a designated position.

Referring to FIG. 5 , the nut rotation pushing assembly 2102 includes a nut pushing cylinder 21021 and a nut rotation motor 21022 . Specifically, the nut pushing cylinder 21021 is used to drive the output shaft of the nut rotating motor 21022 to move parallel to the axis of the nut to be installed; the nut rotating motor 21022 is arranged behind the nut installation positioning hole 2101, and the nut rotating motor 21022 is used to push the nut from the silo. The nut to be installed enters the nut installation positioning hole 2101 in 2100, and drives the nut to be installed to rotate around the axis of the nut, so that the nut to be installed abuts against the threaded portion 111.

In this embodiment, the positioning of the nut installation positioning hole is automatically realized by the first Y-axis motion module and the first Z-axis motion module, so that the nut to be installed is close to the threaded portion, thereby facilitating the automatic locking of the screw and the nut, and improving the overall Automatic performance of automatic battery module locking devices.

Further, referring to FIG. 6 , the automatic nut feeding mechanism 5 includes a feeding vibration plate assembly 50 and a nut conveying assembly 51 . The feeding vibrating plate assembly 50 includes a hopper 501, a vibrating plate 502 is arranged in the hopper 501, and the discharge port of the hopper 501 is located above the vibrating plate 502; the nut conveying assembly 51 includes a nut conveying pipe, one end of which is connected to the outlet The material port is connected, the other end of the nut conveying pipe is connected with the material bin 2100, and the cross-sectional shape of the lumen of the nut conveying pipe matches the axial cross-section of the nut to be installed.

In this embodiment, the nut is automatically transferred into the silo through the nut automatic feeding mechanism, thereby further improving the automation and intelligence of the fully automatic battery module locking device and improving the user experience.

Further, referring to FIG. 7 , the torque adjustable screw locking mechanism 3 includes a second Y-axis motion module 30 and a second Z-axis motion module 31 . The top of the second Z-axis motion module 31 is connected to the second Y-axis motion module 30 . The second Z-axis motion module 31 is provided with a screwdriver pushing assembly 310, and the screwdriver pushing assembly 310 includes a screwdriver pushing cylinder 3100 and a torque-adjustable screwdriver 3101. The second Z-axis motion module 31 is used for relative to the first The two Y-axis motion modules 30 move left and right, and the screwdriver pushing assembly 310 moves up and down relative to the second Z-axis motion module 31, so that the torque-adjustable screwdriver 3101 abuts against the top portion 110, and the screwdriver pushing cylinder 3100 drives the torque The screwdriver 3101 is rotated to drive the screw 11 to rotate, so that the to-be-installed nut is installed at the preset position of the threaded portion 111 .

This embodiment realizes the automatic connection between the screw and the nut through the torque-adjustable screw locking mechanism, and under the action of the specified locking torque, the nut is installed to the preset position of the threaded portion of the screw, thereby further improving the locked battery. The thickness accuracy of the module further improves the quality of the battery module.

Further, referring to FIG. 8 , the turning mechanism 4 includes a clamping assembly 40 and a turning motor 41 . Among them, the clamping assembly 40 is used to fix and clamp the battery modules 1 stacked horizontally; the turning motor 41 is used to drive the clamping assembly 40 to drive the battery module 1 to turn 90°.

Specifically, the clamping assembly 40 includes a fixed clamping jaw 400, a movable clamping jaw 401 and a clamping cylinder 402 (not shown in the figure). Among them, the fixed jaws 400 are in contact with the bottom of the battery modules 1 stacked horizontally; the movable jaws 401 are arranged opposite to the fixed jaws 400; the clamping cylinder 402 is connected with the movable jaws 401, and the clamping cylinder 402 controls the movable jaws 401 moves up and down relative to the fixing jaws 400 to fix and clamp the battery modules 1 stacked horizontally.

It should be noted that, under the control of the clamping cylinder, the movable jaws press against the battery module, which avoids the problem of cell displacement during the overturning process of the battery module. At the same time, it also avoids the battery module. Excessive compression, so that the thickness of the battery module is compressed within the preset threshold.

The specific embodiments of the invention have been described in detail above, but they are only used as examples, and the present invention is not limited to the specific embodiments described above. For those skilled in the art, any equivalent modification or substitution of the invention is also within the scope of the present invention. Therefore, equivalent changes, modifications and improvements made without departing from the spirit and principle scope of the present invention etc., should be included in the scope of the present invention.

Claims (6)

1. A fully automatic battery module locking device, characterized in that it comprises: a battery module, which is provided with a plurality of screws, each screw penetrates the battery module, and each screw includes a top portion and a thread portion; A nut positioning mechanism, arranged on one side adjacent to the threaded portion, is used for positioning the nut to be installed so that the axis of the nut to be installed coincides with the axis of the screw rod, and each nut to be installed corresponds to a screw rod, and the nut positioning mechanism Including: a first Y-axis motion module; and a first Z-axis motion module, the top of which is connected to the first Y-axis motion module, and a nut positioning assembly is provided on the top, and the nut positioning assembly includes a A silo for accommodating the nut to be installed, a nut installation positioning hole and a nut rotating push assembly, the nut installation positioning hole is arranged below the silo, and the nut rotating push assembly is arranged behind the nut installation positioning hole , the first Z-axis movement module is used to move left and right relative to the first Y-axis movement module, and the nut positioning assembly moves up and down relative to the first Z-axis movement module, so that the nut is installed The positioning hole moves to the specified position; A torque-adjustable screw locking mechanism, which is arranged on the side adjacent to the top end, is used to determine the locking torque, and under the action of the locking torque, the screw is driven to rotate around the axis of the screw, so that the to-be-installed The nut is installed at the preset position of the threaded portion, and the torque-adjustable screw locking mechanism includes: a second Y-axis motion module; and a second Z-axis motion module, the top of which is connected to the second Y-axis motion module connection, and a screwdriver push assembly is provided thereon, the screwdriver push assembly includes a screwdriver push cylinder and a torque-adjustable screwdriver, and the second Z-axis motion module is used to move relative to the second Y-axis The module moves left and right, and the screwdriver push assembly moves up and down relative to the second Z-axis motion module, so that the torque-adjustable screwdriver is in contact with the top end, and the screwdriver push cylinder drives the The torque-adjustable screwdriver is rotated to drive the screw rod to rotate, so that the to-be-installed nut is installed at the preset position of the threaded portion; and A flipping mechanism, which is used for flipping the battery modules stacked horizontally by 90°, the flipping mechanism includes: a clamping assembly for fixedly clamping the battery modules that are stacked horizontally; and The turning motor is used to drive the clamping assembly to drive the battery module to turn 90°. 2. The fully automatic battery module locking device according to claim 1, wherein the nut rotating and pushing assembly comprises: a nut pushing cylinder, which is used to drive the output shaft of the nut rotating motor to move parallel to the axis of the nut to be installed; and The nut rotating motor is arranged behind the nut installation positioning hole, and the nut rotating motor is used to push the to-be-installed nut that enters the nut installation and positioning hole from the silo, and drives the to-be-installed nut. The nut rotates around the nut axis so that the nut to be installed abuts against the threaded portion. 3. The fully automatic battery module locking device according to claim 1, characterized in that, it further comprises: The nut automatic feeding mechanism is used to automatically transport the nuts to be installed into the silo. 4. The fully automatic battery module locking device according to claim 3, wherein the automatic nut feeding mechanism comprises: The feeding vibrating plate assembly includes a hopper, a vibrating plate is arranged in the hopper, and the discharge port of the hopper is located above the vibrating plate; The nut conveying assembly includes a nut conveying pipe, one end of the nut conveying pipe is connected with the discharge port, the other end of the nut conveying pipe is connected with the silo, and the lumen cross section of the nut conveying pipe is The shape matches the axial section of the nut to be installed. 5. fully automatic battery module locking device according to claim 1, is characterized in that, described clamping assembly comprises: a fixed gripper, which is in contact with the bottom of the battery modules that are stacked horizontally; a movable gripper, which is arranged opposite to the fixed gripper; The clamping cylinder is connected with the movable clamping jaws, and the clamping cylinder controls the movable clamping jaws to move up and down relative to the fixed clamping jaws, so as to fix and clamp the battery modules that are stacked horizontally. 6. The fully automatic battery module locking device according to claim 1, characterized in that, it further comprises: The clamping mechanism is used for clamping the locked battery module, and a nut is installed at the preset position of each screw thread part of the locked battery module.

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