Nail pulling system and nail pulling method

Abstract

The present invention discloses a nail pulling system, which includes a second frame and a nail pulling device. The nail pulling device includes: a first frame; a first connecting block movably connected to the first frame and provided with a plurality of first chucks; a second connecting block movably connected to the first frame and provided with a plurality of second chucks; both the first connecting block and the second connecting block can move relative to the first frame, so that each of the plurality of first chucks can be clamped with a second chuck respectively; the first frame is connected to the second frame; by applying the nail pulling system of the present invention, the equipment cost can be effectively reduced.

Description

Technical Field

[0001] The present invention relates to the field of battery formation and capacity testing, and particularly to a nail pulling system and a nail pulling method. Background Art

[0002] In the current battery production process, after the electrolyte is injected into the battery, a glue nail is used to temporarily seal the liquid injection port, and then the formation and capacity testing work is carried out. After that, the glue nail is removed, and then the liquid injection port is welded.

[0003] In the existing system, usually a driving mechanism drives a pair of clamping jaws to sequentially remove the glue nails on multiple battery bodies. When the number of batteries is large, the nail pulling speed of this nail pulling method is extremely slow, seriously affecting the production efficiency; if multiple driving mechanisms and clamping jaws are added to the nail pulling system, it will not only increase the occupied space of the equipment but also increase the cost. Summary of the Invention

[0004] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, the present invention provides a nail pulling system and a nail pulling method, which can remove multiple glue nails at one time while reducing the equipment cost.

[0005] According to one aspect of the present invention, the nail pulling system includes a second rack and a nail pulling device. The nail pulling device includes: a first rack; a first connecting block movably connected to the first rack and provided with a plurality of first chucks; a second connecting block movably connected to the first rack and provided with a plurality of second chucks; both the first connecting block and the second connecting block can move relative to the first rack, so that each of the plurality of first chucks can be clamped with a second chuck respectively; the first rack is connected to the second rack.

[0006] Further, the second rack includes: a base; a translation rack arranged on the base and capable of horizontally moving along the base; a lifting rack arranged on the translation rack and capable of lifting relative to the translation rack; the nail pulling device is arranged on the lifting rack.

[0007] Further, the nail pulling system further includes a driving device for driving the translation of the translation rack and / or driving the lifting of the lifting rack.

[0008] Further, the driving device includes a translation motor for driving the translation of the translation rack and a lifting cylinder for driving the lifting of the lifting rack.

[0009] Further, a transportation device is arranged on the second rack, and the transportation device is located below the nail pulling device.

[0010] Further, the transportation device further includes a jacking device, and the jacking device is drivingly connected to the transportation device.

[0011] Further, a nail receiving box is arranged on the second rack.

[0012] According to another aspect of the present invention, a method for pulling out nails includes: a positioning step of moving the first rack and / or the transportation device so that the first rack is located above a plurality of battery bodies; a clamping step of controlling the movement of the first connecting block and the second connecting block so that each of the plurality of first chucks can respectively clamp a glue nail with a second chuck; and a separating step of moving the first connecting block and the second connecting block, or moving the plurality of battery bodies so that the glue nails are pulled out.

[0013] Further, the positioning step includes: controlling the lifting cylinder to descend so that the first connecting block and the second connecting block move above the plurality of battery bodies.

[0014] Further, the positioning step includes: controlling the lifting device to lift the transportation device so that the plurality of battery bodies in the transportation device move towards the first connecting block and the second connecting block.

[0015] When applying the nail pulling system of the present invention, during use, the first rack can be controlled so that the first connecting block and the second connecting block move above a plurality of batteries, and then the relative movement of the first connecting block and the second connecting block is controlled so that each first chuck respectively clamps a glue nail with a second chuck, and then the first rack is controlled so that a plurality of glue nails are pulled out simultaneously. During the entire nail pulling process, only the first connecting block and / or the second connecting block need to be driven to complete the clamping, and there is no need for multiple driving devices to drive multiple jaws.

[0016] The additional aspects and advantages of the present invention will be partly given in the following description, partly will become obvious from the following description, or be understood through the practice of the present invention. Description of the Drawings

[0017] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 is an axonometric view of the nail pulling device according to an embodiment of the present invention;

[0019] Figure 2 is a bottom view of the nail pulling device according to an embodiment of the present invention;

[0020] Figure 3 Figure 1 is an enlarged view of part Ⅰ in;

[0021] Figure 4 is Figure 2 is an enlarged view of part Ⅱ in;

[0022] Figure 5 is an axonometric view of the transportation device according to an embodiment of the present invention;

[0023] Figure 6Top view of the transportation device according to an embodiment of the present invention;

[0024] Figure 7 Front view of the nail pulling system according to an embodiment of the present invention;

[0025] Figure 8 Axonometric view of the nail pulling system according to an embodiment of the present invention;

[0026] The above-mentioned drawings include the following reference numerals:

[0027]

[0028] Detailed implementation manners

[0029] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions from beginning to end. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention, and should not be construed as a limitation of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0031] In the description of the present invention, the meaning of "several" is one or more, the meaning of "multiple" is two or more, "greater than", "less than", "exceeding", etc. are understood as not including the present number, and "above", "below", "within", etc. are understood as including the present number. If there is a description of "first" and "second", it is only for the purpose of distinguishing technical features and should not be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0032] In the description of the present invention, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0033] Referring to Figure 7 、 Figure 8 , this embodiment provides a nail pulling system, including a second rack 500, a nail pulling device, a nail pulling detection device, a transportation device 200, a collection device and other parts.

[0034] Such as Figures 1-4As shown in the figure, the nail pulling device of one aspect of this embodiment includes: a first frame 100; a first connecting block 110, movably connected to the first frame 100, and provided with a plurality of first chucks 111; a second connecting block 120, movably connected to the first frame 100, and provided with a plurality of second chucks 121; the first connecting block 110 and the second connecting block 120 can move relative to each other, so that each of the plurality of first chucks 111 can be respectively clamped with a second chuck 121.

[0035] When applying the nail pulling device of this embodiment, during use, the first frame 100 can be controlled to move the first connecting block 110 and the second connecting block 120 above a plurality of batteries, and then control the relative movement of the first connecting block 110 and the second connecting block 120, so that each first chuck 111 clamps a glue nail 420 with a second chuck 121 respectively, and then control the first frame 100 to pull out a plurality of glue nails 420 simultaneously. During the entire nail pulling process, only the first connecting block 110 and / or the second connecting block 120 need to be driven to complete the clamping, without using multiple driving devices to drive multiple jaws.

[0036] As Figures 4-8 shown in the figure, when pulling out the nails, either the first frame 100 can be driven to approach a plurality of battery bodies 400, or a plurality of battery bodies 400 can be placed in the transport device 200, and the transport device 200 is lifted by the lifting device 310, so that the transport device 200 drives a plurality of battery bodies 400 to approach the nail pulling device.

[0037] Among them, the first connecting block 110 and the second connecting block 120 can move relative to each other in a variety of ways; for example, a slide rail is provided on the first frame 100, so that the first connecting block 110 or the second connecting block 120 slides in the slide rail, or the first connecting block 110 and the second connecting block 120 slide relative to each other; or one of the first connecting block 110 and the second connecting block 120 can be directly drivingly connected to the driving device, and the other is fixed to the first frame 100; or both the first connecting block 110 and the second connecting block 120 are arranged to be drivingly connected to the driving device, and the driving device controls the movement of the two.

[0038] Among them, the movement process of the first connecting block 110 and / or the second connecting block 120 can be manually controlled, or according to the requirements of automatic control, driving devices such as air cylinders and linear motors can be used to drive the first connecting block 110 and / or the second connecting block 120 to move.

[0039] On the first connecting block 110, the plurality of chucks can be distributed along a variety of different paths, such as linear distribution, circular distribution, spiral distribution, etc. As long as the distribution method of the second chucks 121 on the second connecting block 120 is the same as that, it can be realized that each first chuck 111 is clamped with a second chuck 121 by driving the two connecting blocks.

[0040] As Figure 4 shown, in order to reduce the moving distance when the first connecting block 110 and / or the second connecting block 120 are clamped, the first clamping heads 111 and the second clamping heads 121 are alternately distributed in a straight line direction; when clamping, the first connecting block 110 and / or the second connecting block 120 only need to move a small distance relative to each other, so that each first clamping head 111 can be clamped with the first second clamping head 121, effectively saving the nail pulling time.

[0041] As Figure 1 shown, the first connecting block 110 and / or the second connecting block 120 are connected to the first frame 100 through linear bearings 180.

[0042] Among them, in order to realize the automatic control of the clamping of the first clamping head 111 and the second clamping head 121, a first driver 130 for driving the movement of the first connecting block 110 and a second driver 140 for driving the movement of the second connecting block 120 are provided on the frame; among them, both the first driver 130 and the second driver 140 can be realized in a variety of ways such as cylinders, linear motors or hydraulic cylinders, and a linear cylinder is preferably used.

[0043] As Figure 1 shown, in order to prevent the first connecting block 110 and the second connecting block 120 from moving excessively and damaging the clamping heads, a limiting hole is provided on the first frame 100, a first driving rod connected to the first connecting block 110 is provided in the limiting hole, the first driver 130 is drivingly connected to the first driving rod, a second driving rod connected to the second connecting block 120 is provided in the limiting hole, and the second driver 140 is drivingly connected to the second driving rod; when the first connecting block 110 and the second connecting block 120 move relative to each other, the movement ranges of the first driving rod and the second driving rod are both limited by the limiting hole, restricting the movement ranges of the first connecting block 110 and the second connecting block 120.

[0044] As Figure 1 、 Figure 2 shown, in order to enable the nail pulling device to simultaneously pull out the glue nails 420 on multiple rows of battery bodies 400, two first connecting blocks 110 and two second connecting blocks 120 are connected to the left and right sides of the first frame 100.

[0045] It should be noted that the up and down, left and right, front and back directions in this embodiment refer to Figure 7 shown, the horizontal plane referred to in this embodiment is the plane where the front and back directions and the left and right directions are located in Figure 7 .

[0046] In order to enable the nail pulling device to also perform the function of nail pulling detection, a pressing block 150 is elastically connected to the first connecting block 110, and a triggering device 170 is connected between the pressing block 150 and the first connecting block 110, so that the nail pulling device and the nail pulling detection device are integrated.

[0047] To facilitate the installation of the nail pulling device, a docking portion for docking with the lifting frame 520 is provided on the first frame 100.

[0048] According to the second aspect of this embodiment, a nail pulling system includes a second frame 500 and a nail pulling device. The nail pulling device includes: a first frame 100; a first connecting block 110 movably connected to the first frame 100 and provided with a plurality of first chucks 111; a second connecting block 120 movably connected to the first frame 100 and provided with a plurality of second chucks 121; both the first connecting block 110 and the second connecting block 120 can move relative to the first frame 100, so that each of the plurality of first chucks 111 can be respectively clamped with a second chuck 121; the first frame 100 is connected to the second frame 500; wherein the nail pulling device is the nail pulling device of the above-mentioned embodiment.

[0049] In order to enable the second frame 500 to facilitate the nail pulling device to move in the vertical and horizontal directions, the second frame 500 includes: a base 300; a translation frame 510 provided on the base 300 and capable of horizontally moving along the base 300; a lifting frame 520 provided on the translation frame 510 and capable of lifting relative to the translation frame 510; the nail pulling device is provided on the lifting frame 520.

[0050] Wherein, in order to realize the automatic control of the movement of the nail pulling device on the second frame 500, the driving device includes a translation motor 531 for driving the translation of the translation frame 510 and a lifting cylinder 532 for driving the lifting of the lifting frame 520; when pulling nails, the translation motor 531 drives the lifting bracket to move above the transportation device 200, and the lifting cylinder 532 drives the nail pulling device to descend to approach a plurality of battery bodies 400 in the transportation device 200.

[0051] As Figures 5-7 shown, a transportation device 200 is provided on the second frame 500, and the transportation device 200 is located below the nail pulling device; as Figure 6 shown, a plurality of receiving grooves are provided in the transportation device 200, and each receiving groove can place a battery body 400. A liquid injection port 410 is provided on the battery body 400, and the nail pulling device is used to pull out the glue nails 420 on the liquid injection port 410.

[0052] Further, a lifting device 310 is provided in the nail pulling system. The lifting device 310 is drivingly connected to the transport device 200, and the lifting device 310 can drive the transport device 200 to rise; preferably, the lifting device 310 can be arranged on the base 300.

[0053] As Figure 7 shown, in order to collect the pulled glue nails 420 for centralized processing, a nail receiving box can be arranged on the second rack 500 for collecting the pulled glue nails 420; further, a funnel for receiving nails can be arranged above the nail receiving box.

[0054] According to the third aspect of this embodiment, a nail pulling method includes: a positioning step of moving the first rack 100 and / or the transport device 200 so that the first rack 100 is located above a plurality of battery bodies 400; a clamping step of controlling the movement of the first connecting block 110 and the second connecting block 120 so that each of the plurality of first chucks 111 can respectively clamp a glue nail 420 with a second chuck 121; a separating step of moving the first connecting block 110 and the second connecting block 120, or moving a plurality of battery bodies 400 so that the glue nails 420 are pulled out.

[0055] Applying the nail pulling method of this embodiment effectively avoids setting a driving device on each pair of nail pulling heads during nail pulling; greatly reduces the cost of using multiple sets of driving devices and saves the occupied space of the equipment.

[0056] Among them, the positioning step includes: controlling the lifting cylinder 532 to descend so that the first connecting block 110 and the second connecting block 120 move above a plurality of battery bodies 400.

[0057] For the needs of the user, the positioning step can be set to control the lifting device 310 to lift the transport device 200 so that the plurality of battery bodies 400 in the transport device 200 move towards the first connecting block 110 and the second connecting block 120;

[0058] In the separating step, move a plurality of battery bodies 400; the lifting device 310 can be controlled to lower the transport device 200 so that the glue nails 420 on the liquid injection ports 410 are pulled out.

[0059] After the separating step, the translation motor 531 and the lifting motor can be controlled to move the first connecting block 110 and the second connecting block 120 above the funnel, and then separate the first chuck and the second chuck that clamp the glue nail 420 so that the glue nail 420 falls into the collection box 600 through the funnel.

[0060] The nail-pulling detection device according to the fourth aspect of this embodiment includes: a first frame 100; a pressing block 150 movably connected to the first frame 100; a triggering device 170 connecting the pressing block 150 and the first frame 100, and when the pressing block 150 moves relative to the first frame 100, the triggering device 170 is triggered.

[0061] When applying the nail-pulling detection device of this embodiment, during detection, the first frame 100 is controlled to move a certain distance towards the battery until the distance between the pressing block 150 and the battery body 400 is less than the distance that the glue nail 420 leaks out of the battery body 400. When there is an unremoved glue nail 420 on a certain battery body 400, the pressing block 150 can move relative to the first frame 100 after being abutted by the glue nail 420, so that the triggering device 170 is triggered. Whether there is an unremoved glue nail 420 can be detected through the triggering device 170. The whole nail-pulling detection device relies on mechanical movement to detect whether there is an unremoved glue nail 420, without the detection of optical elements, effectively solving the problem that optical detection is easily affected by the environmental air quality and improving the reliability of detection.

[0062] Among them, after the triggering device 170 is triggered, the information that there is an unremoved glue nail 420 can be transmitted in various ways. For example, a bell is set in the triggering device 170 to remind the on-site personnel by ringing the bell, or a switch of a lamp tube is connected to the triggering device 170, and the switch is closed through the triggering device 170 to give a light warning to the on-site personnel. The information that there is an unremoved glue nail 420 can also be converted into an electrical signal and transmitted to other devices for controlling the operation of the nail-pulling system.

[0063] It can be understood that the triggering device 170 can convert the information that there is an unremoved glue nail 420 into an electrical signal and output it externally in various ways. For example, a Hall element is used to sense the movement of the pressing block 150 relative to the first frame 100, or a contact switch is set on the first frame 100, and a bump capable of triggering the contact switch is set on the pressing block 150.

[0064] During the detection process, the nail-pulling detection device can also be driven to move towards the battery body 400 in various ways. For example, the first frame 100 is driven by a lifting cylinder 532 to make the nail-pulling detection device descend; or the jacking device 310 and the jacking and transporting device 200 can be controlled to make the battery body 400 approach the nail-pulling detection device.

[0065] In order to integrate the nail pulling device and the nail pulling detection device, effectively reduce the number of driving devices, and save costs, a first connecting block 110 is provided on the frame. The pressing block 150 is connected to the first connecting block 110 through an elastic connecting portion 160. After the nail pulling device finishes pulling the nail, the nail pulling detection device can be driven to detect whether there are unremoved glue nails 420. The elastic connecting portion 160 is provided to enable the pressing block 150 to automatically return to its initial state after one detection, facilitating the next detection.

[0066] Furthermore, to ensure the stable connection between the pressing block 150 and the first connecting block 110, the pressing block 150 and the first connecting block 110 are connected through a plurality of elastic connecting portions 160.

[0067] As Figure 3 shown, in order to convert the information of the unremoved glue nails 420 into an electrical signal for output, the triggering device 170 includes an insertion portion 171 provided on the pressing block 150 and a clamping portion 172 provided on the first connecting block 110. When the pressing block 150 moves relative to the first connecting block 110, the position of the insertion portion 171 relative to the clamping portion 172 changes. The clamping portion 172 uses a Hall element. When the insertion portion 171 is inserted, the Hall element can sense the movement of the insertion portion 171 and output an electrical signal.

[0068] Similarly, to ensure the stability of the detection by the pressing block 150 and avoid the situation where a single triggering device 170 is prone to deformation and affects the detection, a plurality of triggering devices 170 are provided between the first connecting block 110 and the pressing block 150.

[0069] As Figure 1 shown, in order to enable the nail pulling detection device to detect multiple rows of battery bodies 400 simultaneously, first connecting blocks 110 are provided on both sides of the first frame 100, and a pressing block 150 is provided on each first connecting block 110.

[0070] As Figure 7 、 Figure 8 shown, the nail pulling detection device is provided on the second frame 500 to facilitate the control of the movement of the nail pulling detection device. Among them, the nail pulling detection device is integrated with the nail pulling device and is both drivingly connected to the lifting frame 520, and can be lifted under the drive of the lifting cylinder 532.

[0071] As Figure 7 shown, a photoelectric detection device 610 can be provided on the second frame 500 to detect whether there are unremoved glue nails 420 after the nail pulling is completed. After the nail pulling is completed, the photoelectric detection device 610 can be used for detection first, and then the nail pulling detection device can be used for secondary detection. The detection accuracy can be effectively improved through two detections.

[0072] Among them, the photoelectric detection device 610 can select opposed fiber optics.

[0073] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art.

Claims

1. A nail pulling system, characterized in that, Comprising a second rack (500) and a nail pulling device, the nail pulling device comprising: A first rack (100); A first connecting block (110), movably connected to the first rack (100), provided with a plurality of first chucks (111), the first connecting block (110) being elastically connected to a pressing block (150) through an elastic connecting portion (160), a triggering device (170) being connected between the pressing block (150) and the first connecting block (110); A second connecting block (120), movably connected to the first rack (100), provided with a plurality of second chucks (121); Both the first connecting block (110) and the second connecting block (120) are capable of moving relative to the first rack (100) such that each of the plurality of first chucks (111) can be respectively clamped with one of the second chucks (121); The first rack (100) is connected to the second rack (500); The second rack (500) comprises: A base (300); A translation rack (510), disposed on the base (300) and capable of horizontally moving along the base (300); A lifting rack (520), disposed on the translation rack (510) and capable of lifting relative to the translation rack (510); The nail pulling device is disposed on the lifting rack (520).

2. The nail pulling system according to claim 1, characterized in that, Further comprising a driving device for driving the translation of the translation rack (510) and / or driving the lifting of the lifting rack (520).

3. The nail pulling system according to claim 2, characterized in that, The driving device comprises a translation motor (531) for driving the translation of the translation rack (510) and a lifting cylinder (532) for driving the lifting of the lifting rack (520).

4. The nail pulling system according to claim 1, characterized in that, A transport device (200) is disposed on the second rack (500), and the transport device (200) is located below the nail pulling device.

5. The nail pulling system according to claim 4, characterized in that, Further comprising a jacking device (310), the jacking device (310) being drivingly connected to the transport device (200).

6. The nail pulling system according to claim 1, characterized in that, A nail receiving box is disposed on the second rack (500).

7. A nail pulling and detection method, characterized in that, Comprising the nail pulling system according to any one of claims 1 to 6, the nail pulling method comprising the following steps: A positioning step of moving the first rack (100) and / or the transport device (200) such that the first rack (100) is located above a plurality of battery bodies (400); A clamping step of controlling the movement of the first connecting block (110) and the second connecting block (120) such that each of the plurality of first chucks (111) can respectively clamp a glue nail (420) with one of the second chucks (121); A separating step of moving the first connecting block (110) and the second connecting block (120), or moving the plurality of battery bodies (400), such that the glue nail (420) is pulled out; Detection step: control the first rack (100) to move a certain distance towards the battery, so that the distance between the pressing block (150) and the battery body (400) is less than the distance that the adhesive nail (420) leaks out of the battery body (400). When there is an unremoved adhesive nail (420) on the battery body (400), the pressing block (150) can move relative to the first rack (100) after being abutted by the adhesive nail (420), so that the triggering device (170) detects whether there is an unremoved adhesive nail (420), and the pressing block (150) returns to its initial state through the elastic connection part (160) after detection.

8. The nail pulling and detection method according to claim 7, characterized in that, The positioning step includes: controlling the lifting cylinder (532) to descend, so that the first connecting block (110) and the second connecting block (120) move above a plurality of the battery bodies (400).

9. The nail pulling and detection method according to claim 7, characterized in that, The positioning step includes: controlling the lifting device (310) to lift the transportation device (200), so that a plurality of battery bodies (400) in the transportation device (200) move towards the first connecting block (110) and the second connecting block (120).

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