A power battery cover plate extrusion device

Abstract

The utility model relates to the technical field of battery cover manufacturing, and specifically to a power battery cover extrusion device. It is to solve the problems of low production efficiency, high production cost and long product production cycle in the existing battery cover production, which adopts a process-divided assembly line production method. The present application includes a loading assembly, a stamping assembly and a unloading assembly. The product blank is installed on the loading assembly, and it is driven into the stamping assembly through the feeding element of the loading assembly; the stamping assembly includes a stamping machine and a plurality of stamping tools; a plurality of stamping tools are installed at intervals on the stamping head of the stamping machine to form a plurality of stamping processing stations; the inlet of the stamping machine is connected to the outlet of the loading assembly, and the outlet is connected to the unloading assembly; the unloading assembly includes a product feeding line, which is used to transfer the finished product to the receiving station. The present device can replace manual feeding and loading to actively carry out the production and processing of battery cover plates, with high production efficiency, low production cost and high output of battery cover plates.

Description

Technical Field

[0001] The present application relates to the technical field of new energy battery cover plate manufacturing, and in particular to a power battery cover plate extrusion device. Background Art

[0002] With the rise of new energy vehicles, power batteries have also entered a period of rapid development. In current power batteries, multiple single cells are assembled into a battery module, which is then installed in a battery shell. An opening is provided on the top of the battery shell for installing a battery cover to seal the shell. At the same time, a pole hole is provided on the battery cover for power output.

[0003] In order to improve the sealing of the battery cover, the pole hole on the battery cover adopts a raised structure to facilitate the sealing connection with the battery pole. At present, the production method of the battery cover is divided into multiple processes, including cutting of the cover blank, punching of the cover blank, chamfering after punching, flanging, flanging stretching, flanging stretching and leveling, flanging chamfering and flanging forming. In the prior art, the cover production enterprise adopts a separate process production, that is, each process is used as a production station, and the product of the upper process is used as the processing object of the subsequent product. Therefore, it is necessary to manually feed and unload the materials, the production efficiency is low, and each process is equipped with different processing equipment and operators, the production cost is high, and the production cycle of a single product is long. At the same time, the utilization rate of the cover blank is not high enough, and the mold precision is not high enough, resulting in insufficient product precision. Therefore, a battery cover extrusion device is urgently needed to solve the problems of low production efficiency, high production cost and long product production cycle in the existing battery cover production, which adopts a separate process assembly line production method. Utility Model Content

[0004] The purpose of this application is to provide a power battery cover plate extrusion device that can automatically produce battery cover plates. By installing a number of processing tools on the punching head of a punching machine, a continuous processing production station is formed. This can realize the automated production and processing from battery cover plate blanks to finished products, improve production efficiency, reduce production costs, and increase the output of battery cover plates per unit time.

[0005] In order to solve the above technical problems, this application adopts the following technical solutions:

[0006] A power battery cover plate extrusion device comprises a loading assembly, a stamping assembly and a unloading assembly, wherein the product blank is installed on the loading assembly and driven into the stamping assembly by a feeding element of the loading assembly; the stamping assembly comprises a stamping machine and a plurality of stamping tools; the plurality of stamping tools are installed at intervals on the stamping head of the stamping machine to form a plurality of stamping processing stations; the feed port of the stamping machine is connected to the discharge port of the loading assembly, and the discharge port is connected to the unloading assembly; the unloading assembly comprises a product feeding line for transferring the finished product to a receiving station.

[0007] Preferably, the feeding assembly includes a feeding machine and a film stripping machine; the product blank is installed on the feeding machine, and the discharge port of the feeding machine is connected to the feeding port of the film stripping machine, and the discharge port of the film stripping machine is connected to the feeding port of the punching machine. Since the product blank is attached with a protective film, the present application sets a film stripping machine between the feeding machine and the punching machine to realize that the protective film of the product blank is removed by the film stripping machine, which is convenient for the subsequent production of the product blank.

[0008] Preferably, the feeder is provided with a material tray and a material tray motor; the product blank is installed on the material tray in a material roll structure, and the material tray is driven by the material tray motor to feed the material; the feeding element includes a feeding motor and a feeding roller; the feeding rollers are arranged opposite to each other, leaving a product installation cavity between them, and the feeding roller is driven by the feeding motor; the film removal machine is provided with a film rolling roller and a film rolling motor; the film rolling roller is driven by the film rolling motor. The product blanks of the present application are stored in the form of material rolls, and the product blanks are fed by setting the rotation of the material tray and the feeding roller, without manual feeding and feeding. At the same time, the feeding speed can also be adjusted by controlling the rotation speed of the feeding roller to ensure accurate control of the product stamping position and improve the product yield.

[0009] Preferably, the punching machine is provided with an inlet and an outlet; the inlet and the outlet are respectively provided with feed rollers for conveying the product material strip; a winding roller is installed on the outlet side, the product material strip is sleeved on the winding roller, and the winding roller is driven by a winding motor.

[0010] Preferably, the punch head of the punching machine includes an upper punch head and a lower punch head; the lower punch head is fixedly mounted on the base of the punching machine, the upper punch head is radially slidably mounted on the punching machine, and the upper punch head is driven by a punching power source.

[0011] Preferably, the upper punch head and the lower punch head are respectively provided with a plurality of tool installation stations for installing punching tools to form a punching processing station; and the tool installation stations of the upper punch head and the lower punch head are respectively arranged in one-to-one correspondence.

[0012] Preferably, the stamping tools are all concave and convex tools, and the concave and convex tools are respectively installed at the tool installation stations of the upper punch head and the lower punch head, and when the concave and convex tools are closed, a stamping cavity is formed between them. The present application sets concave and convex tools to realize the use of a stamping production method to make a battery cover plate that meets the shape required by the drawing from the product blank. The specific stamping tools are divided into stamping tools, bottom hole chamfering tools, empty flanging edge stretching tools, flanging edge flattening tools, flanging edge chamfering tools and product finished product blanking cutting tools according to the processing equipment of each process in the prior art. The product blank is punched to form a bottom hole in turn, and then the bottom hole is chamfered. Then the bottom hole is formed into a flange by an empty flanging edge stretching tool, and then the flange is flattened and chamfered to form a pole hole with a convex structure. Finally, it is cut by a product finished product blanking cutting tool to form a single finished battery cover plate. Considering that the thickness of the battery cover is relatively large, the cutting quality cannot be guaranteed in one cutting. Two or more cutting processes can be designed to complete the cutting of a single finished battery cover.

[0013] Preferably, a waste hopper is provided at the bottom of each stamping processing station on the stamping machine; the waste hopper is a slope structure, and one end of the waste hopper is connected to the vibrator.

[0014] Preferably, a locking and limiting assembly is provided in the stamping area between the feed port and the discharge port of the stamping machine. The locking and limiting assembly includes relatively arranged inductive sensors, and the inductive areas thereof pass through the stamping area.

[0015] Preferably, the product feeding line is installed at the finished product blanking station of the punching machine, and its feeding port is connected to the product blanking port of the finished product blanking station.

[0016] Compared with the prior art, the beneficial effects of this application are:

[0017] The power battery cover plate extrusion device of the present application can replace manual feeding and actively carry out the production and processing of the battery cover plate, and has high production efficiency. A punching tool is installed on the punching head of the punching machine to form various processing stations, so as to reduce the number of processing equipment and reduce production costs.

[0018] The present application sets a feeder and a coiling roller to realize automatic production and processing of product blanks in the form of product strips between various stamping processing stations of the stamping machine, without the need for manual feeding and loading, thereby reducing the workload of personnel. The device of the present application is easy to operate and is easy for staff to use.

[0019] The power battery cover plate extrusion device of the present application is designed with a locking limit component, which can be locked and limited during the use of the stamping machine to prevent non-staff operation and prevent staff from accidentally entering the stamping area and affecting the processing flow, thereby improving the safety of the stamping die.

[0020] The power battery cover plate extrusion device of the present application is provided with a waste hopper at the processing station to realize automatic discharge of processing waste generated during product processing through the waste hopper, and the waste hopper adopts a shaking slope design to avoid waste clogging the hopper and reduce the purpose of manual cleaning of waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the power battery cover plate extrusion device of this embodiment;

[0022] Figure 2 This is a schematic diagram of the structure of a punching machine of the power battery cover plate extrusion device of this embodiment;

[0023] Figure 3 Schematic diagram of the punching tool structure of the power battery cover plate extrusion device in this embodiment. DETAILED DESCRIPTION

[0024] In order to make the purpose and advantages of the present application more clearly understood, the present application is specifically described below in conjunction with the embodiments. It should be understood that the following text is only used to describe one or several specific implementations of the present application, and does not strictly limit the scope of protection specifically requested by the present application.

[0025] The technical solutions adopted in this application are as follows: Figure 1-Figure 3 As shown, a power battery cover plate extrusion device includes a loading assembly, a stamping assembly and a unloading assembly, wherein a product blank 1 is installed on the loading assembly, and is driven into the stamping assembly through a feeding element of the loading assembly; the stamping assembly includes a stamping machine 2 and a plurality of stamping tools 6; a plurality of stamping tools are installed at intervals on the stamping head of the stamping machine 2 to form a plurality of stamping processing stations; the feed port of the stamping machine is connected to the discharge port of the loading assembly, and the discharge port is connected to the unloading assembly; the unloading assembly includes a product feeding line 3, which is used to transfer the finished product to the receiving station.

[0026] The feeding assembly of this embodiment includes a feeding machine 4 and a film stripping machine 5; the product blank 1 is installed on the feeding machine, and the discharge port of the feeding machine is connected to the feeding port of the film stripping machine, and the discharge port of the film stripping machine is connected to the feeding port of the punching machine.

[0027] Furthermore, a material tray 40 and a material tray motor 41 are provided on the loading machine 4; the product blank is installed on the material tray in a material roll structure, and the material tray is driven by the material tray motor to feed the material; the feeding element includes a feeding motor and a feeding roller; the feeding rollers are arranged opposite to each other, leaving a product installation cavity between them, and the feeding rollers are driven by the feeding motor; the film removing machine is provided with a film rolling roller and a film rolling motor; the film rolling roller is driven by the film rolling motor.

[0028] The punching machine 2 of this embodiment is provided with an inlet and an outlet; the inlet and the outlet are respectively provided with a feed roller for conveying the product material belt; a coiling roller is installed on the side of the outlet, the product material belt is sleeved on the coiling roller, and the coiling roller is driven by a coiling motor. Among them, the punching head of the punching machine includes an upper punching head 20 and a lower punching head 21; the lower punching head is fixedly installed on the machine base of the punching machine, the upper punching head is radially slidably installed on the punching machine, and the upper punching head is driven by a punching power source 22. In addition, the upper punching head and the lower punching head of this embodiment are respectively provided with a number of tool installation stations for installing punching tools to form a punching processing station; and the tool installation stations of the upper punching head and the lower punching head are respectively set one by one. Specifically, the punching tools of this embodiment are all concave and convex mold tools, and the concave and convex mold tools are respectively installed at the tool installation stations of the upper punching head and the lower punching head, and when the concave and convex mold tools are closed, a punching cavity is formed between them. The punching tool 6 includes a punching tool 60, a bottom hole chamfering tool 61, an empty flanging edge stretching tool 62, a flanging edge flattening tool 63, a flanging edge chamfering tool 64, a flanging edge forming tool 65 and a finished product blanking cutting tool 66. Since the thickness of the battery cover of this embodiment is 2mm, in order to ensure the cutting yield rate, the number of finished product blanking cutting tools of this embodiment is two, and two cuttings are performed. The station where the second finished product blanking cutting tool is located is the finished product blanking station. The product feed line of this embodiment is installed at the finished product blanking station of the punching machine, and its feed port is connected to the product blanking port of the finished product blanking station.

[0029] Furthermore, a waste hopper 7 is provided at the bottom of each stamping processing station on the stamping machine; the waste hopper is a slope structure, and one end of the waste hopper is connected to the vibrator.

[0030] The stamping area between the inlet and the outlet of the stamping machine of this embodiment is provided with a locking and limiting assembly, and the locking and limiting assembly includes relatively arranged grating sensors 8, and the sensing area thereof passes through the stamping area.

[0031] Working principle: When the power battery cover plate extrusion device of this embodiment is working, the operator installs the roll of the product blank on the material tray of the feeder, and then manually loads the front end of the roll into the film stripper to complete the loading. Then the device is turned on, and the product blank is driven by the feed motor to be fed to the feed inlet of the punching machine, and the film stripper performs the film stripping process on the product blank.

[0032] After the product blank enters the punching machine, it is driven by the feed roller on the inlet side of the punching machine, and then passes through the punching tool in sequence to perform the product punching, chamfering, flanging, flanging stretching, flanging stretching and leveling, flanging chamfering and flanging forming processes. Finally, after two cuttings by the finished product blanking cutting knife, the finished battery cover plate falls from the product material belt onto the product feed line below the finished product blanking station and is transported to the receiving station. The remaining product material belt is collected by the coiling roller on the outlet side of the punching machine. It should be noted that a waste hopper is provided at each processing station, and waste materials such as processing scraps generated during the stamping process of the product fall directly into the waste hopper. Since the waste hopper is set to vibrate and has a slope, the waste can be automatically discharged along the hopper. The operator only needs to set a collector at the outlet of the waste hopper.

[0033] The implementation methods of the present application are described in detail above in conjunction with the embodiments, but the present application is not limited to the above-mentioned implementation methods. For ordinary technicians in this technical field, after knowing the contents recorded in the present application, they can make several equivalent changes and substitutions thereto without departing from the principles of the present application, and these equivalent changes and substitutions should also be regarded as belonging to the protection scope of the present application.

Claims

1. A power battery cover plate extrusion device, comprising a feeding assembly, a punching assembly and a feeding assembly, characterized in that: The product blank is installed on the loading assembly, and is driven into the stamping assembly through the feeding element of the loading assembly; the stamping assembly includes a stamping machine and a plurality of stamping tools; a plurality of stamping tools are installed at intervals on the stamping head of the stamping machine to form a plurality of stamping processing stations; the feed port of the stamping machine is connected to the discharge port of the loading assembly, and the discharge port is connected to the unloading assembly; the unloading assembly includes a product feeding line for transferring the finished product to the receiving station.

2. A power battery cover plate extrusion device according to claim 1, characterized in that: The feeding assembly includes a feeding machine and a film stripping machine; the product blank is installed on the feeding machine, and the discharge port of the feeding machine is connected to the feeding port of the film stripping machine, and the discharge port of the film stripping machine is connected to the feeding port of the punching machine.

3. A power battery cover plate extrusion device according to claim 2, characterized in that: The loading machine is provided with a material tray and a material tray motor; the product blank is installed on the material tray in a material roll structure, and the material tray is driven by the material tray motor to feed the material; the feeding element includes a feeding motor and a feeding roller; the feeding rollers are arranged opposite to each other, leaving a product installation cavity between them, and the feeding rollers are driven by the feeding motor; the film removal machine is provided with a film rolling roller and a film rolling motor; the film rolling roller is driven by the film rolling motor.

4. A power battery cover plate extrusion device according to claim 1, characterized in that: The punching machine is provided with an inlet and an outlet; the inlet and the outlet are respectively provided with feed rollers for conveying the product material strip; a winding roller is installed on the side of the outlet, the product material strip is sleeved on the winding roller, and the winding roller is driven by a winding motor.

5. A power battery cover plate extrusion device according to claim 4, characterized in that: The punching head of the punching machine comprises an upper punching head and a lower punching head; the lower punching head is fixedly installed on the machine base of the punching machine, the upper punching head is radially slidably installed on the punching machine, and the upper punching head is driven by a punching power source.

6. A power battery cover plate extrusion device according to claim 5, characterized in that: The upper punch head and the lower punch head are respectively provided with a plurality of tool installation stations for installing punching tools to form a punching processing station; and the tool installation stations of the upper punch head and the lower punch head are respectively arranged in a one-to-one correspondence.

7. A power battery cover plate extrusion device according to claim 6, characterized in that: The stamping tools are all concave and convex mold tools, and the concave and convex mold tools are respectively installed at the tool installation stations of the upper punch head and the lower punch head, and when the concave and convex mold tools are closed, a stamping cavity is formed between them.

8. The power battery cover plate extrusion device according to claim 1, characterized in that: A waste hopper is respectively arranged at the bottom of each stamping processing station on the stamping machine; the waste hopper is a slope structure, and one end of the waste hopper is connected to the vibrator.

9. A power battery cover plate extrusion device according to claim 4, characterized in that: A locking and limiting assembly is provided in the stamping area between the inlet and the outlet of the stamping machine. The locking and limiting assembly includes relatively arranged inductive sensors, and the inductive areas thereof pass through the stamping area.

10. A power battery cover plate extrusion device according to claim 1, characterized in that: The product feeding line is installed at the finished product blanking station of the punching machine, and its feeding port is connected with the product blanking port of the finished product blanking station.

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