Multi-battery synchronous clamping device suitable for clamping cylindrical batteries

Abstract

A multi-battery synchronous clamping device suitable for clamping cylindrical batteries comprises a mounting plate and a connecting piece, at least one clamping jaw driving mechanism is arranged on the upper bottom face of the mounting plate, and at least one clamping jaw clamping mechanism is arranged on the lower bottom face of the mounting plate. Each clamping jaw clamping mechanism comprises at least one fixed clamping jaw mounting plate and at least one movable clamping jaw mounting plate, a plurality of fixed end clamping jaws which are arranged at preset intervals are arranged on the lower side of the fixed clamping jaw mounting plate, and the upper side of the fixed clamping jaw mounting plate is fixedly connected with the lower bottom surface of the mounting plate; a plurality of movable end clamping jaws are arranged on the lower side of the movable clamping jaw mounting plate at preset intervals, and the movable clamping jaw mounting plate is fixedly connected with the lower bottom surface of the mounting plate through a linear guide rail; the fixed end clamping jaw and the movable end clamping jaw are correspondingly arranged, and the clamping jaw driving mechanism is connected with the movable clamping jaw mounting plate through a connecting piece. The utility model has the advantages of low cost, small control and maintenance difficulty, small volume and high integration level.

Description

Technical Field

[0001] The utility model relates to the technical field of tooling equipment in the lithium battery industry, in particular to a multi-battery synchronous clamping device suitable for clamping cylindrical batteries. Background Art

[0002] Lithium batteries have become the main force in the new energy industry and an indispensable daily necessity in people's lives. They are widely used in various fields. Cylindrical lithium batteries have the advantages of high production efficiency, low monomer cost, and good product consistency, and occupy a high market share of power batteries.

[0003] The cylindrical clamping device is an increasingly mature device used in the lithium cylindrical battery industry. After searching the Chinese Patent Library, it was found that the Chinese patent document CN 219563127 U discloses a cylindrical battery positioning clamping claw structure, including a mounting frame, the lower surface of the mounting frame is movably connected with a left clamping piece and a right clamping piece through a sliding groove, the upper ends of the left clamping piece and the right clamping piece are fixedly installed with a pneumatic finger cylinder, a cylindrical battery is arranged in the middle of the left clamping piece and the right clamping piece, the inner wall of the left clamping piece is respectively fixedly installed with clamping point one and clamping point four near the two ends, and the inner wall of the right clamping piece is respectively fixedly installed with clamping point two and clamping point three near the two ends, and the sliding groove runs through the middle of the surface of the mounting frame. Although this cylindrical battery positioning clamping claw structure has the advantages of compact space, strong battery clamping force, and high repeated clamping accuracy. However, each clamping structure of this cylindrical battery positioning can only clamp one cylindrical battery at a time, and its production efficiency is low. If this clamping structure matrix is ​​constructed into a multi-claw structure, it has the disadvantages of high cost, great difficulty in control and maintenance, and large size. Utility Model Content

[0004] The utility model provides a multi-battery synchronous clamping device which is low in cost, easy to control and maintain, small in size and high in integration and suitable for clamping cylindrical batteries.

[0005] The utility model provides a multi-battery synchronous clamping device suitable for clamping cylindrical batteries, comprising a mounting plate and a connecting piece, wherein at least one clamping jaw driving mechanism is arranged on the upper bottom surface of the mounting plate, and at least one clamping jaw clamping mechanism is arranged on the lower bottom surface of the mounting plate, each of the clamping jaw clamping mechanisms comprises at least one fixed clamping jaw mounting plate and at least one movable clamping jaw mounting plate, a plurality of fixed end clamps spaced at a predetermined distance are arranged on the lower side of the fixed clamping jaw mounting plate, the upper side of the fixed clamping jaw mounting plate is fixedly connected to the lower bottom surface of the mounting plate; a plurality of movable end clamps spaced at a predetermined distance are arranged on the lower side of the movable clamping jaw mounting plate, and the movable clamping jaw mounting plate is fixedly connected to the lower bottom surface of the mounting plate via a linear guide rail; the fixed end clamps and the movable end clamps are arranged correspondingly, and the clamping jaw driving mechanism is connected to the movable clamping jaw mounting plate via a connecting piece.

[0006] As an improvement to the present utility model, the at least one fixed jaw mounting plate is four pieces, each of which is provided with a first connecting plate, and connecting rods are provided between adjacent first connecting plates, and the connecting rods connect the first connecting plates into an integral frame; the at least one movable jaw mounting plate is four pieces, and the four movable jaw mounting plates are connected into an integral frame via two second connecting plates.

[0007] As an improvement to the present invention, the fixed end clamping jaws are round rods, and every two round rods constitute a fixed end clamping jaw; the movable end clamping jaws are round rods, and every two round rods constitute a movable end clamping jaw.

[0008] As an improvement to the utility model, the round rod is a steel rod, and an EPDM heat shrink tube is provided on the steel rod.

[0009] As an improvement to the present invention, an infrared reflection sensor is provided between each pair of the fixed end jaws and the movable end jaws. The infrared reflection sensor is connected to the movable jaw mounting plate via a sensor mounting bracket, and is used to detect and provide feedback of real-time information on whether there is a battery at the position of each pair of jaws.

[0010] As an improvement to the present invention, the present invention further comprises an oil receiving groove, which is located below the linear guide rail and is used to receive grease at an exposed portion of the linear guide rail.

[0011] As an improvement to the utility model, the clamp driving mechanism is a cylinder, and a floating joint for eliminating the axial error between the piston rod of the cylinder and the connecting piece is provided between the piston rod of the cylinder and the connecting piece.

[0012] As an improvement to the utility model, the utility model further comprises a position detection sensor for detecting the extended position or the retracted position of the piston rod of the cylinder.

[0013] As an improvement to the utility model, the utility model also includes a hydraulic buffer, which is used to absorb the kinetic energy of the cylinder piston during deceleration and accurately position the end of the cylinder movement; the hydraulic buffer is arranged on the hydraulic buffer mounting seat.

[0014] As an improvement to the utility model, the utility model further comprises a solenoid valve, which is used to control the air supply or exhaust to the cylinder according to the control signal of the PLC.

[0015] The utility model adopts a structure in which at least one clamping jaw driving mechanism is provided on the upper bottom surface of the mounting plate, and at least one clamping jaw clamping mechanism is provided on the lower bottom surface of the mounting plate. Each of the clamping jaw clamping mechanisms includes at least one fixed clamping jaw mounting plate 308 and at least one movable clamping jaw mounting plate. A plurality of fixed end clamps spaced at a predetermined distance are provided on the lower side of the fixed clamping jaw mounting plate, and the upper side of the fixed clamping jaw mounting plate is fixedly connected to the lower bottom surface of the mounting plate; a plurality of movable end clamps spaced at a predetermined distance are provided on the lower side of the movable clamping jaw mounting plate, and the movable clamping jaw mounting plate is fixedly connected to the lower bottom surface of the mounting plate via a linear guide rail; the fixed end clamps and the movable end clamps are correspondingly arranged, and the clamping jaw driving mechanism is connected to the movable clamping jaw mounting plate via a connecting piece. One clamping jaw driving mechanism can control a plurality of clamps, and has the advantages of low cost and easy control; a plurality of clamps are integrated into an integrated structure, which has the advantages of low maintenance difficulty and small size. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the utility model.

[0017] Figure 2 yes Figure 1 Schematic diagram of the jaw drive mechanism of the embodiment shown.

[0018] Figure 3 yes Figure 1 Schematic diagram of the clamping mechanism of the clamping jaws in the illustrated embodiment.

[0019] Figure 4 yes Figure 3 A schematic diagram of the structure from another perspective.

[0020] Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure of the gripper anti-collision mechanism. DETAILED DESCRIPTION

[0021] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] like Figures 1 to 4 As shown, Figures 1 to 4 Disclosed is a multi-battery synchronous clamping device suitable for clamping cylindrical batteries, comprising a clamping claw anti-collision mechanism 100, a clamping claw driving mechanism 200 and a clamping claw clamping mechanism 300.

[0023] The clamping jaw anti-collision mechanism 100 is used to prevent the clamping jaw assembly from colliding with other mechanisms or objects when the clamping jaw is moving downward or forward within the allowable range during the entire process of movement;

[0024] 200 clamping jaw driving mechanism, used to provide clamping power for the single battery clamping jaws in the mechanism to clamp the battery;

[0025] 300 jaw clamping mechanism, transmission mechanism and action execution mechanism for the jaw to clamp the battery;

[0026] like Figure 2 As shown, the clamp driving mechanism 200 in the utility model is a cylinder. When the cylinder is in a retracted state, the lower clamp is driven to be in an open state. At this time, the clamp open position detection slot detects a signal. When the cylinder piston rod is extended, the lower clamp is driven to be in a clamped state. At this time, the clamp closed position detection slot detects a signal. The clamp clamps the battery to carry the battery.

[0027] The clamping jaw driving mechanism 201 is a power output member, which is a cylinder in this embodiment;

[0028] The cylinder fixing seat 202 is used to fix and support the cylinder;

[0029] Floating joint 203, used to eliminate the axial error between the cylinder piston rod and the follower;

[0030] Position detection sensor 204, used to detect the position status of the cylinder and the clamping jaws;

[0031] Connecting member 302, an intermediate connecting member used to transfer the power outputted by the cylinder to the driven mechanism;

[0032] The hydraulic buffer mounting seat 206 is used to fix the hydraulic buffer 207;

[0033] The oil pressure buffer 207 is used to absorb the kinetic energy of the cylinder piston when it decelerates and to accurately position the end of the cylinder movement;

[0034] The solenoid valve 208 receives the electrical signal from the PLC to control the solenoid valve; the solenoid valve then controls the cylinder to extend or retract.

[0035] Specifically, in this embodiment, the clamp driving mechanism 200 is a cylinder, and a floating joint 203 is provided between the piston rod of the cylinder and the connecting member 302 for eliminating the axial error between the piston rod of the cylinder and the connecting member 302 .

[0036] Preferably, the utility model further comprises a position detection sensor 204 for detecting the extended position or the retracted position of the piston rod of the cylinder.

[0037] Preferably, the utility model further comprises an oil pressure buffer 207 , which is used to absorb the kinetic energy of the cylinder piston during deceleration and to precisely position the end of the cylinder movement; the oil pressure buffer 207 is arranged on the oil pressure buffer mounting seat 206 .

[0038] Preferably, the utility model further comprises a solenoid valve 208, and the solenoid valve 208 is used to control the air supply or exhaust to the cylinder according to the control signal of the PLC.

[0039] See also Figure 3 and Figure 4 The utility model provides a multi-battery synchronous clamping device suitable for clamping cylindrical batteries, including a mounting plate 306 and a connecting member 302, at least one clamping jaw driving mechanism 200 is provided on the upper bottom surface of the mounting plate 306, at least one clamping jaw clamping mechanism 300 is provided on the lower bottom surface of the mounting plate 301, each of the clamping jaw clamping mechanisms 300 includes at least one fixed clamping jaw mounting plate 308 and at least one movable clamping jaw mounting plate 303, and a plurality of clamping jaws are provided on the lower side of the fixed clamping jaw mounting plate 308 at predetermined intervals. The fixed end clamp 309, the upper side of the fixed clamp mounting plate 308 is fixedly connected to the lower bottom surface of the mounting plate 306; a plurality of movable end clamps 313 spaced at a predetermined distance are provided on the lower side of the movable clamp mounting plate 303, and the movable clamp mounting plate 303 is fixedly connected to the lower bottom surface of the mounting plate 306 via a linear guide rail 305; the fixed end clamp 309 and the movable end clamp 313 are correspondingly arranged, and the clamp driving mechanism 200 is connected to the movable clamp mounting plate 303 via a connecting piece 302.

[0040] The utility model adopts one clamping jaw driving mechanism 200 to control multiple clamping jaws, which has the advantages of low cost and easy control; a plurality of clamping jaws are integrated into an integrated structure, which has the advantages of low maintenance difficulty and small size.

[0041] Preferably, the at least one fixed jaw mounting plate 308 is four pieces, and a first connecting plate 307 is provided on each of the fixed jaw mounting plates 308. A connecting rod 301 is provided between adjacent first connecting plates 307, and the connecting rod 301 connects the first connecting plates 307 into an integral frame; the at least one movable jaw mounting plate 303 is four pieces, and the four movable jaw mounting plates 303 are connected into an integral frame through two second connecting plates 304.

[0042] Preferably, the fixed end clamping jaws 309 are round rods, and every two round rods constitute one fixed end clamping jaw 309 ; the movable end clamping jaws 313 are round rods, and every two round rods constitute one movable end clamping jaw 313 .

[0043] Preferably, the round rod is a steel rod, and an EPDM heat shrink tube is provided on the steel rod.

[0044] Preferably, an infrared reflection sensor 314 is provided between each pair of the fixed end jaws 309 and the movable end jaws 313, and the infrared reflection sensor 314 is connected to the movable jaw mounting plate 303 via a sensor mounting bracket 312, and is used to detect and feedback real-time information on whether there is a battery at each pair of jaws.

[0045] Preferably, the utility model further comprises an oil receiving groove 311 , wherein the oil receiving groove 311 is located below the linear guide rail 305 and is used to receive grease on the exposed part of the linear guide rail 305 .

[0046] like Figure 3 and Figure 4 Shown is a gripper clamping mechanism 300, which is the end effector of a large cylindrical multi-battery clamping device.

[0047] Figure 2 The extension or retraction of the cylinder piston rod will drive Figure 3 Figure 4 The transmission member 302 in the back and forth movement drives all the movable end clamps 313 to move, clamp the battery or release the battery.

[0048] A connecting rod 301 connects and fixes the four rows of fixed jaws together;

[0049] Connecting piece 302, connecting the movable end with the cylinder power piece;

[0050] The movable jaw connecting plate 303 connects the movable end jaws in the same row together and is also connected to the slider of the guide member;

[0051] A second connecting plate 304 connects the movable end clamps of different rows together;

[0052] A linear guide rail 305 is used to guide the movable end clamping jaw module;

[0053] A mounting plate 306 is used as a base plate to mount other parts of the gripper power mechanism (200) and the gripper clamping mechanism (300) to form a functional assembly;

[0054] The first connecting plate 307 is used to fix the end clamping jaw connecting plate 308 to connect and fix the four rows of fixed clamping jaws together;

[0055] A fixed jaw mounting plate 308, used for fixing and mounting the fixed end jaw 309;

[0056] The fixed end clamping jaw 309 is a round rod, on which a 3mm thick EPDM heat shrink tube is provided, and the round rod can be a steel rod;

[0057] A cylindrical battery 310 is an object to be clamped;

[0058] An oil receiving groove 311, the oil receiving groove 311 is used to receive grease exposed outside the guide rail to prevent it from dripping downward and contaminating the battery 310;

[0059] A battery in-place sensor mounting bracket 312 is used to mount an infrared reflection sensor 315 at each single clamping jaw position to detect and provide feedback on real-time information on whether a battery exists at each clamping jaw position;

[0060] The movable end clamping jaw 313 is a round rod, which may be a steel rod, and a 3mm thick EPDM heat shrink tube is provided on the round rod;

[0061] The reflective sensor 314 is used to detect and provide feedback of real-time information on whether there is a battery at each pair of grippers.

[0062] See also Figure 5 , Figure 5 yes Figure 1 Schematic diagram of the three-dimensional structure of the gripper anti-collision mechanism.

[0063] like Figure 5 As shown: the clamping jaw anti-collision mechanism 100 is used to force the clamping jaw power mechanism and the clamping jaw gripping mechanism to retract if the clamping jaw assembly collides with other mechanisms or objects when probing downward or forward. The slot detects that the clamping jaw has changed to a retracted state, and the program controls the entire clamping jaw mechanism to stop urgently, and conducts inspection or manual intervention. It includes:

[0064] The mounting adapter 101 of the large cylindrical multi-battery gripping device is used to mount the entire device on a motion module, a robot, other transport mechanisms, etc. to achieve the handling of cylindrical batteries;

[0065] Io-link master module 102, an electrical circuit connection module for connecting electrical control and returning control feedback signals;

[0066] The solenoid valve 103 is used to control the anti-collision mechanism cylinder and the clamping claw power mechanism cylinder respectively, so that the device as a whole can complete the anti-collision and battery clamping functions;

[0067] The pressure regulating valve 104 is used to adjust and display in real time the real-time air pressure of the anti-collision mechanism cylinder air circuit and the gripper power mechanism cylinder air circuit;

[0068] The connecting piece 105 of the clamping jaw anti-collision mechanism is used to lock and connect the clamping jaw anti-collision mechanism and the clamping jaw gripping mechanism on the lower side. It is connected through a linear guide rail for directional guidance;

[0069] The anti-collision cylinder 106 of the gripper anti-collision mechanism, the power output part of the anti-collision mechanism;

[0070] The cylinder joint connector 107 is used to connect the cylinder joint to the clamping mechanism of the clamping jaws for transmitting power;

[0071] The anti-collision mechanism linear guide rail group 108 is used for relative movement between the anti-collision part and the fixed part, and for directional guidance;

[0072] A slot switch 109 for detecting whether the grab assembly is in a normal state or in a retracted state;

[0073] The air pipe connector 110 is used to connect the air circuit to ensure the integrity of the pneumatic mechanism.

[0074] Since the clamping jaw anti-collision mechanism 100 is a prior art, it will not be described in detail here.

[0075] Although preferred embodiments of the present invention have been described, those skilled in the art may make additional changes and modifications to these embodiments once they are aware of the basic creative concepts. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present invention. Obviously, those skilled in the art may make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A multi-battery synchronous clamping device suitable for clamping cylindrical batteries, characterized in that: The invention comprises a mounting plate (306) and a connecting member (302), wherein at least one clamping jaw driving mechanism (200) is arranged on the upper bottom surface of the mounting plate (306), and at least one clamping jaw clamping mechanism (300) is arranged on the lower bottom surface of the mounting plate (306), each of the clamping jaw clamping mechanisms (300) comprises at least one fixed clamping jaw mounting plate (308) and at least one movable clamping jaw mounting plate (303), and a plurality of fixed end clamping jaws (309) spaced at a predetermined distance are arranged on the lower side of the fixed clamping jaw mounting plate (308), and the fixed clamping jaws are arranged on the lower side of the fixed clamping jaw mounting plate (308). The upper side of the mounting plate (308) is fixedly connected to the lower bottom surface of the mounting plate (306); a plurality of movable end clamps (313) spaced at a predetermined distance are provided on the lower side of the movable clamp mounting plate (303); the movable clamp mounting plate (303) is fixedly connected to the lower bottom surface of the mounting plate (306) via a linear guide rail (305); the fixed end clamp (309) and the movable end clamp (313) are correspondingly arranged, and the clamp driving mechanism (200) is connected to the movable clamp mounting plate (303) via a connecting piece (302).

2. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 1, characterized in that : The at least one fixed jaw mounting plate (308) is four in number, and each of the fixed jaw mounting plates (308) is provided with a first connecting plate (307), and connecting rods (301) are provided between adjacent first connecting plates (307), and the connecting rods (301) connect the first connecting plates (307) into an integral frame; the at least one movable jaw mounting plate (303) is four in number, and the four movable jaw mounting plates (303) are connected into an integral frame via two second connecting plates (304).

3. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 1 or 2, characterized in that : The fixed end clamping jaw (309) is a round rod, and every two round rods constitute a fixed end clamping jaw (309); the movable end clamping jaw (313) is a round rod, and every two round rods constitute a movable end clamping jaw (313).

4. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 3, characterized in that The round rod is a steel rod, and an EPDM heat shrink tube is arranged on the steel rod.

5. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 1 or 2, characterized in that An infrared reflection sensor (314) is provided between each pair of the fixed end clamping jaws (309) and the movable end clamping jaws (313). The infrared reflection sensor (314) is connected to the movable clamping jaw mounting plate (303) via a sensor mounting bracket (312) and is used to detect and provide feedback on real-time information on whether a battery is present at the position of each pair of clamping jaws.

6. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 1 or 2, characterized in that The oil receiving groove (311) is also included. The oil receiving groove (311) is located below the linear guide rail (305) and is used to receive grease from the exposed part of the linear guide rail (305).

7. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 1 or 2, characterized in that The clamping jaw driving mechanism (200) is a cylinder, and a floating joint (203) is provided between the piston rod of the cylinder and the connecting member (302) for eliminating the axial error between the piston rod of the cylinder and the connecting member (302).

8. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 7, characterized in that : Also included is a position detection sensor (204) for detecting the extended position or retracted position of the piston rod of the cylinder.

9. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 7, characterized in that : It also includes an oil pressure buffer (207), which is used to absorb the kinetic energy of the cylinder piston when it decelerates and accurately position the end of the cylinder movement; the oil pressure buffer (207) is arranged on the oil pressure buffer mounting seat (206).

10. The multi-battery synchronous clamping device suitable for clamping cylindrical batteries according to claim 7, characterized in that : It also includes a solenoid valve (208), wherein the solenoid valve (208) is used to control the supply or exhaust of air to the cylinder according to the control signal of the PLC.

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