Battery cover plate under plastic ultrasonic hot melt equipment

Abstract

The utility model discloses a battery cover plate lower plastic ultrasonic wave hot melting equipment, include: feeding mechanism, feeding mechanism is used for driving lower plastic to move to the jacking position, first snatch mechanism, synchronous handling mechanism, synchronous handling mechanism is used for driving lower plastic to move from lower plastic liquid injection hole detection position to the merging position, top cover piece variable pitch mechanism, top cover piece variable pitch mechanism is used for driving top cover piece to move to top cover piece positioning storage position, main line hot melting mechanism, main line hot melting mechanism is used for driving top cover piece to move from top cover piece positioning storage position to the merging position, and drives top cover piece and lower plastic to move from merging position to positioning position, hot melting edge distance positioning piece, hot melting edge distance positioning piece and positioning position correspond, and hot melting edge distance positioning piece is used for the fusion of top cover piece and lower plastic located in positioning position, reaches top cover piece and lower plastic automatic stacking and positioning, carries out ultrasonic wave hot melting, improves hot melting efficiency, and plays the effect of ultrasonic wave hot melting function efficiency.

Description

Technical Field

[0001] This utility model specifically relates to an ultrasonic heat-melting device for plastic under a battery cover, belonging to the field of automated ultrasonic heat-melting technology. Background Technology

[0002] Ultrasonic heat fusion is commonly used in automotive manufacturing, consumer electronics, and medical fields. Applications include joining automotive parts, welding electronic components in electronic products, and manufacturing plastic containers. Taking a square battery cover as an example, the ultrasonic heat fusion machine transmits ultrasonic energy to the area of ​​the snap-fit ​​hole in the top cover through the cylindrical feet of the lower plastic piece. Due to the high acoustic impedance at the interface, localized high temperatures are generated. Because plastic has poor thermal conductivity, the heat cannot dissipate quickly and accumulates at the welding point. The cylindrical feet melt rapidly, and with the continuous pressure from the actuator cylinder of the heat fusion machine for several seconds, the lower plastic piece and the top cover fuse together.

[0003] Existing semi-automatic production lines require manual stacking of top cover sheets and bottom plastic sheets into the heat-melting fixture, followed by pressing the start button for positioning and then ultrasonic heat melting. This type of heat melting in existing semi-automatic production lines is inefficient, cannot maximize the energy efficiency of the heat-melting machine, and has a very low degree of automation. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide an ultrasonic hot-melt device for plastic under battery cover.

[0005] To achieve the aforementioned objectives, the technical solution adopted by this utility model includes:

[0006] This utility model embodiment provides an ultrasonic hot-melt device for plastic under a battery cover, which includes:

[0007] The feeding mechanism is used to move the lower plastic to the lifting position;

[0008] The first gripping mechanism is used to move the lower plastic from the lifting position to the lower plastic injection hole detection position;

[0009] A synchronous transport mechanism is used to move the lower plastic from the lower plastic injection hole detection position to the merging position;

[0010] A top cover plate pitch-changing mechanism is used to move the top cover plate to the top cover plate positioning and storage position.

[0011] The main line hot melt mechanism is used to move the top cover piece from the top cover piece positioning and storage position to the merging position, and to move the top cover piece and the lower plastic from the merging position to the positioning position;

[0012] A hot-melt edge positioning component, which corresponds to a positioning position, is used to weld the top cover sheet and the lower plastic at the positioning position.

[0013] Furthermore, the feeding mechanism includes a hopper, a rotating component, and a lifting component. The hopper is used to hold the lower plastic, the rotating component is used to drive the hopper to rotate around the Z-axis of a three-dimensional coordinate system, the hopper drives the lower plastic to move between the feeding position and the lifting position, and the lifting component is used to drive the lower plastic to move between the lifting position and the lifting position along the Z-axis of the three-dimensional coordinate system.

[0014] Furthermore, the first gripping mechanism includes a first gripper, a gripper translation component, and a first gripper moving truss (6). The first gripper moving truss (6) is used to drive the first gripper to move along the Y-axis of the three-dimensional coordinate system, so that the lower plastic is removed from the lifting position. The gripper translation component is used to drive the first gripper to move along the X-axis of the three-dimensional coordinate system, so that the lower plastic moves to the lower plastic injection hole detection position.

[0015] Furthermore, the ultrasonic hot-melt device for the plastic under the battery cover also includes a buffer belt. One end of the buffer belt coincides with the detection position of the lower plastic injection hole, and the other end is the synchronous transport position. The buffer belt is used to drive the lower plastic from the detection position of the lower plastic injection hole along the Y-axis of the three-dimensional coordinate system to the synchronous transport position.

[0016] Furthermore, the synchronous transport mechanism includes a second gripper and a second gripper moving truss. The second gripper moving truss is used to drive the second gripper to move along the X-axis direction of the three-dimensional coordinate system, so that the lower plastic material moves from the synchronous transport position to the merging position.

[0017] Furthermore, the top cover plate pitch-changing mechanism includes a third gripper and a third gripper moving truss. The third gripper moving truss is used to drive the third gripper to move along the Y-axis direction of the three-dimensional coordinate system, so that the top cover plate moves from the initial position to the top cover plate positioning and storage position.

[0018] Furthermore, the main line hot-melt mechanism is sequentially provided with a top cover piece fixture, a merging fixture, and a hot-melt positioning fixture along the given Y-axis. The top cover piece positioning and storage position is located on the top cover piece fixture, the merging position is located on the merging fixture, and the positioning position is located on the hot-melt positioning fixture. The main line hot-melt mechanism is used to move the top cover piece from the top cover piece positioning and storage position to the merging position, and to move the top cover piece and the lower plastic from the merging position to the positioning position.

[0019] In a typical implementation, the ultrasonic hot-melt device for plastic under the battery cover also includes a base, the interior of which has an accommodating space.

[0020] The lower end of the feeding component is provided with a rotating component, and at least a portion of the lifting component and the rotating component are disposed in the accommodating space of the base. The rotating mechanism passes through the upper end face of the base, and a lifting hole is opened on the upper end face of the base, through which the lifting component extends.

[0021] Furthermore, a gripper lifting component is provided between the first gripper and the gripper translation component. The gripper lifting component is used to drive the first gripper to move along the Z-axis direction of the three-dimensional coordinate system. The lowest position where the gripper lifting component drives the first gripper to move along the Z-axis direction of the three-dimensional coordinate system coincides with the highest position where the lifting component drives the lower plastic to move along the Z-axis direction of the three-dimensional coordinate system.

[0022] Furthermore, a first sensor is provided on the first gripper, and the first sensor is electrically connected to the first gripper. The first sensor is used to detect whether the lower end of the first gripper is in contact with the upper surface of the lower plastic.

[0023] Furthermore, a second sensor is provided on the upper part of the hopper, and the second sensor is electrically connected to the lifting component. The second sensor is used to detect whether the lower plastic is placed in the hopper.

[0024] Furthermore, a third sensor is provided on the base, and the third sensor is electrically connected to the rotating component. The third sensor corresponds to the material discharge position of the hopper, and the third sensor is used to detect whether the lower plastic is placed in the hopper.

[0025] Furthermore, the second gripper includes a first sub-gripper and a second sub-gripper, which are arranged sequentially along a given X-axis direction.

[0026] Furthermore, the buffer belt is sequentially equipped with a fourth sensor and a fifth sensor along the Y-axis of the three-dimensional coordinate system. The fourth sensor is located at the detection position of the lower plastic injection hole. The fourth sensor and the buffer belt are electrically connected. The fourth sensor is used to detect whether the buffer belt is receiving the lower plastic gripped by the gripper.

[0027] Furthermore, the fifth sensor is located at the synchronous transport position, and the fifth sensor is electrically connected to the second gripper. The fifth sensor is used to detect whether the lower plastic is transported to the bottom of the first suction cup assembly.

[0028] Furthermore, the synchronous transport mechanism also includes a plastic injection hole detection fixture. The first sub-gripper is used to grab the lower plastic and move it along the X-axis of the three-dimensional coordinate system and transport the lower plastic into the plastic injection hole detection fixture. The second sub-gripper is used to grab the lower plastic in the plastic injection hole detection fixture at the same time and transport it to the merging position along the X-axis of the three-dimensional coordinate system.

[0029] Furthermore, the hot-melt positioning fixture includes several clamping cylinders and several top blocks, with the clamping cylinders located on both sides of the combined top cover plate and the vertical side of the lower plastic phase.

[0030] Furthermore, the hot melt positioning fixture includes several clamping cylinders, which are disposed on both sides of the two opposite sides of the top cover plate. A clamping block is disposed inside the clamping cylinder, and the clamping block extends out of the clamping cylinder and simultaneously abuts against both sides of the two opposite sides of the top cover plate and the lower plastic.

[0031] In a typical implementation case, the ultrasonic hot-melt equipment for the plastic under the battery cover also includes a cover inspection mechanism and a re-submission mechanism. Both the cover inspection mechanism and the re-submission mechanism are arranged along the Y-axis of the three-dimensional coordinate system. The cover inspection mechanism includes a 3D line scanning component, a first plastic edge distance camera, a second plastic edge distance camera, and an NG rejection component, all arranged along the Y-axis of the three-dimensional coordinate system. The NG rejection component is used to reject the top cover sheet and the lower plastic that do not meet the conditions after welding.

[0032] Furthermore, the re-discharge mechanism includes a re-discharge conveyor, a gripper rotating component, and a fourth gripper. The re-discharge conveyor has a finished product cover plate placed on it. The re-discharge conveyor is used to drive the finished product cover plate to move along the Y-axis of the three-dimensional coordinate system to below the fourth gripper. The fourth gripper grabs the finished product cover plate and rotates around the Z-axis of the three-dimensional coordinate system under the drive of the gripper rotating component.

[0033] Furthermore, the gripping structures of the first gripper, the second gripper, the third gripper, and the fourth gripper are at least one of a mechanical clamping structure or a negative pressure adsorption structure.

[0034] Compared with the prior art, the advantages of this utility model include:

[0035] 1. The present invention provides an automated production line for ultrasonic heat melting of plastic under a battery cover, which automatically stacks and positions the top cover and the bottom plastic, and finally performs ultrasonic heat melting. This automated production line greatly improves the heat melting efficiency of the production line and maximizes the energy efficiency of the ultrasonic heat melting machine.

[0036] 2. The present invention, through the setting of the cover plate inspection mechanism, can inspect and reject the finished cover plate after the top cover plate and the bottom plastic are ultrasonically heat-melted, realizing the integration of ultrasonic heat melting and defect detection, and saving the time from the ultrasonic heat melting stage to the defect detection stage, thereby greatly improving the efficiency of defective product detection. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the structure of an ultrasonic hot-melt device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0039] Figure 2 This is a schematic diagram of the structure of a hidden protective grating in a plastic ultrasonic hot-melt device under a battery cover, provided in a typical embodiment of this utility model.

[0040] Figure 3 This is a schematic diagram of the feeding mechanism, the first gripping mechanism, and the buffer belt of an ultrasonic hot-melting device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0041] Figure 4 This is a schematic diagram of the bottom structure of the hopper of an ultrasonic hot-melt device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0042] Figure 5 This is a schematic diagram of the first gripping mechanism of an ultrasonic hot-melt device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0043] Figure 6 This is a schematic diagram of the buffer belt of a plastic ultrasonic hot-melt device under a battery cover, provided in a typical embodiment of this utility model.

[0044] Figure 7 This is a schematic diagram of the synchronous transport mechanism of an ultrasonic hot-melt device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0045] Figure 8 This is a schematic diagram of the structure of a plastic injection hole detection fixture for a plastic ultrasonic hot melt device under a battery cover, provided in a typical embodiment of this utility model.

[0046] Figure 9 This is a schematic diagram of the top cover plate pitch-changing mechanism of a plastic ultrasonic hot-melt device under a battery cover, provided in a typical embodiment of this utility model.

[0047] Figure 10 This is a schematic diagram of the main heat-melting mechanism of an ultrasonic heat-melting device for plastic under a battery cover, provided in a typical embodiment of this utility model.

[0048] Figure 11 This is a schematic diagram of the structure of a hot melt positioning fixture for a battery cover cover plastic ultrasonic hot melt equipment provided in a typical embodiment of this utility model;

[0049] Figure 12 This is a schematic diagram of the structure of a hot melt positioning fixture for a plastic ultrasonic hot melt device under a battery cover, provided in another typical implementation case of this utility model;

[0050] Figure 13 This is a schematic diagram of the heat-melting synchronous transport mechanism of a plastic ultrasonic heat-melting device under a battery cover, provided in a typical embodiment of this utility model.

[0051] Figure 14 This is a schematic diagram of the cover plate inspection mechanism and re-submission mechanism of an ultrasonic hot-melt device for plastic under a battery cover plate, provided in another typical implementation case of this utility model.

[0052] Explanation of reference numerals in the attached figures:

[0053] 1. Hopper; 2. Lifting component; 3. Lower plastic part; 4. First gripper; 5. Gripper translation component; 6. First gripper moving truss (6); 7. Buffer belt; 8. Second gripper; 9. Second gripper moving truss; 10. Third gripper; 11. Third gripper moving truss; 12. Top cover plate; 13. Top cover plate fixture; 14. Merging fixture; 15. Hot melt positioning fixture; 16. Hot melt edge positioning component; 17. Base; 18. Rotating component; 19. Lifting hole; 20. Suction cup; 21. Gripper lifting component; 22. First sensor; 23. Second sensor; 24. Third sensor; 25. 26. First sub-gripper; 27. Second sub-gripper; 28. Fourth sensor; 29. ​​Fifth sensor; 20. Sixth sensor; 31. Plastic injection hole detection fixture; 32. Clamping cylinder; 33. Top block; 34. Top clamping cylinder; 35. Top clamping block; 36. 3D line scan component; 37. First plastic edge distance camera; 38. Second plastic edge distance camera; 39. NG rejection component; 40. Re-feeding conveyor component; 41. Gripper rotating component; 42. Fourth gripper; 43. Protective grating; 44. Manual operation button box; 45. Unloading and conveying line; 46. X-axis drive mechanism; 47. Z-axis drive mechanism. Detailed Implementation

[0054] In view of the shortcomings of the prior art, the inventor of this case, through long-term research and extensive practice, has come up with the technical solution of this utility model. The following will further explain the technical solution, its implementation process, and its principles.

[0055] Example 1

[0056] Please see Figures 1 to 11 ,as well as Figure 13 This is a first embodiment of an ultrasonic hot-melt device for the lower plastic 3 under a battery cover, comprising: a feeding mechanism for moving the lower plastic 3 to a lifting position; a first gripping mechanism for moving the lower plastic 3 from the lifting position to the lower plastic injection hole detection position; a synchronous transport mechanism for moving the lower plastic 3 from the lower plastic injection hole detection position to a merging position; and a top cover plate 12 pitch-changing mechanism for moving the top cover plate 12 to the top cover plate 12. The top cover sheet 12 is positioned at the storage location; the main hot-melt mechanism is used to move the top cover sheet 12 from the top cover sheet positioning storage location to the merging location, and to move the top cover sheet 12 and the lower plastic 3 from the merging location to the positioning location. After merging at the positioning location, the positioning between the lower plastic 3 and the top cover sheet 12 is completed, which is necessary for the subsequent welding; the hot-melt edge positioning component 16 corresponds to the positioning location and is used to weld the top cover sheet 12 and the lower plastic 3 located at the positioning location.

[0057] In detail, the feeding mechanism includes a hopper, a rotating component, and a lifting component. The hopper is used to hold the lower plastic material. The rotating component drives the hopper to rotate around the Z-axis of a three-dimensional coordinate system. The hopper causes the lower plastic material to move between a feeding position and a lifting position. The lifting component drives the lower plastic material to move along the Z-axis of the aforementioned three-dimensional coordinate system between a lifting position and a lifting position.

[0058] Specifically, the feeding mechanism includes a hopper 1 and a lifting component 2. The hopper 1 contains several lower plastic pieces 3. The hopper 1 can rotate 180° around the Z-axis of the aforementioned three-dimensional coordinate system, allowing it to switch between a feeding position and a lifting position (i.e., the feeding position of the hopper 1 becomes the lifting position after rotating 180° around the Z-axis of the aforementioned three-dimensional coordinate system). The lifting component 2 is positioned below the lifting position, and it drives the lower plastic pieces 3 to move along the Z-axis of the aforementioned three-dimensional coordinate system. Specifically, the lower plastic pieces move to their highest point along the Z-axis of the aforementioned three-dimensional coordinate system, which is recorded as the lifting position. The first grab... The grabbing mechanism includes a first gripper 4, a gripper translation component 5, and a first gripper moving truss (6) 6. The first gripper moving truss (6) 6 drives the first gripper 4 to move along the Y-axis of the above-mentioned three-dimensional coordinate system, so that the first gripper 4 is directly above the lifting position and grabs the lower plastic 3 in the hopper 1, and causes the lower plastic 3 to leave the lifting position. The gripper translation component 5 drives the first gripper 4 to move along the given X-axis direction, so that the lower plastic moves to the lower plastic injection hole detection position. One end of the buffer belt coincides with the lower plastic injection hole detection position, and the other end is the synchronous transport position. The buffer belt 7 is used to move the lower plastic from the lower plastic injection hole detection position along the Y-axis of the three-dimensional coordinate system to the synchronous transport position. Specifically, the buffer belt 7 receives the lower plastic 3 gripped by the gripper at the lower plastic injection hole detection position, and the buffer belt 7 moves the lower plastic 3 along the Y-axis of the three-dimensional coordinate system, moving the lower plastic 3 from the lower plastic injection hole detection position to the synchronous transport position of the buffer belt 7. The synchronous transport mechanism includes a second gripper 8 and a second gripper moving truss 9. The second gripper 8 grips the lower plastic 3 moving along the Y-axis of the three-dimensional coordinate system, and the second gripper moves... The truss 9 drives the second gripper 8 to move along the X-axis of the three-dimensional coordinate system. The movement of the second gripper 8 causes the lower plastic 3 to move from the synchronous transport position to the merged position. The top cover plate 12 pitch-changing mechanism includes a third gripper 10 and a third gripper moving truss 11. The third gripper 10 grips the top cover plate 12. The position of the third gripper 10 when it grips the top cover plate 12 is the initial position. The third gripper moving truss 11 drives the third gripper 10 to move along the Y-axis of the three-dimensional coordinate system, causing the top cover plate 12 to move from the initial position to the top cover plate positioning and storage position.Along the Y-axis of the aforementioned three-dimensional coordinate system, the main hot-melt mechanism is sequentially equipped with a top cover piece fixture 13, a merging fixture 14, and a hot-melt positioning fixture 15. Specifically, the top cover piece positioning and storage position is located on the top cover piece fixture 13, the merging position is located on the merging fixture 14, and the positioning position is located on the hot-melt positioning fixture 15. The top cover piece fixture 13 receives the top cover piece 12 gripped by the third gripper 10 from its initial position, placing the top cover piece 12 in the top cover piece positioning and storage position, and then transports the top cover piece 12 to the merging fixture 14, completing the transfer of the top cover piece 12 from the top cover piece positioning and storage position to the merging position. In other words, the merging fixture 14 receives the lower plastic 3 gripped by the second gripper 8, and merges the lower plastic 3 and the top cover plate 12 within the merging fixture 14. The merged lower plastic 3 and top cover plate 12 are then moved from the merged position to the positioning position, and subsequently positioned by the hot-melt positioning fixture 15. The hot-melt edge positioning component 16 is located above the hot-melt positioning fixture 15, that is, above the positioning position. The hot-melt edge positioning component 16 welds the merged top cover plate 12 and lower plastic 3 together. At this point, the welding step of the lower plastic 3 and top cover plate 12 is completed.

[0059] The aforementioned feeding mechanism, first gripping mechanism, buffer belt 7, synchronous conveying mechanism, top cover plate pitch changing mechanism, main line hot melt mechanism, and hot melt edge positioning component 16 are all covered by protective light curtain 42 to protect the aforementioned components. The protective light curtain 42 is equipped with a manual operation button box 43, which is electrically connected to the aforementioned components to control the start and stop of the aforementioned components, forming a controlled and complete production line.

[0060] This embodiment also includes a base 17, which has an internal accommodating space. A rotating member 18 is provided at the lower end of the feeding member. At least a portion of the lifting member 2 and the rotating member 18 are disposed in the accommodating space of the base 17. The rotating mechanism passes through the upper end surface of the base 17. A lifting hole 19 is provided on the upper end surface of the base 17. The lifting member 2 extends out from the lifting hole 19 and drives the hopper 1 to move along the Z-axis direction of the above-mentioned three-dimensional coordinate system.

[0061] A gripper lifting component 21 is provided between the first gripper 4 and the gripper translation component 5. The gripper lifting component 21 drives the gripper to move along the Z-axis direction of the above-mentioned three-dimensional coordinate system. The lowest position of the gripper lifting component 21 driving the gripper to move along the Z-axis direction of the above-mentioned three-dimensional coordinate system coincides with the highest position of the lifting component 2 driving the hopper 1 to move along the Z-axis direction of the above-mentioned three-dimensional coordinate system.

[0062] A first sensor 22 is provided on the first gripper 4. The first sensor 22 and the first gripper 4 are electrically connected. The first sensor 22 detects whether the lower end of the first gripper 4 is in contact with the upper surface of the lower plastic 3.

[0063] A second sensor 23 is provided on the lower end face of the hopper 1. The second sensor 23 is electrically connected to the lifting component 2. The second sensor 23 detects whether the lower plastic 3 is placed in the hopper 1.

[0064] A third sensor 24 is provided on the upper surface of the base 17. The third sensor 24 is electrically connected to the rotating part 18. The third sensor 24 corresponds to the material release position of the hopper 1. The third sensor 24 detects whether there is lower plastic in the hopper 1.

[0065] It should be noted that when the hopper 1 is in the feeding position, the lower plastic 3 needs to be manually placed on the hopper 1 in a given direction. At this time, the third sensor 24 corresponds to the position of the lower plastic 3 to be placed. When the third sensor 24 detects that the lower plastic 3 has been manually placed in the given position, the rotating component 18 drives the hopper 1 to rotate 180° around the Z-axis of the above three-dimensional coordinate system, and turns the hopper 1 from the feeding position to the lifting position.

[0066] When the hopper 1 rotates to the lifting position, the second sensor 23 will detect whether there is lower plastic 3 in the hopper 1. When the second sensor 23 detects that there is lower plastic 3 in the hopper 1, the lifting component 2 moves upward along the Z-axis of the above three-dimensional coordinate system, driving the grain hopper to move upward along the Z-axis of the above three-dimensional coordinate system until the upper end of the lower plastic 3 and the lower end of the first gripper 4 are in contact.

[0067] It should be further explained that when the lifting component 2 moves the lower plastic 3 in the hopper 1 along the Z-axis of the aforementioned three-dimensional coordinate system until the upper end surface of the lower plastic 3 is in contact with the lower end of the first gripper 4, the first sensor 22 will detect this and transmit a signal to the first gripper 4. After receiving the signal transmitted by the first sensor 22, the first gripper 4 will grasp the lower plastic 3 that is in contact with it and move further upward along the Z-axis of the aforementioned three-dimensional coordinate system for a certain distance.

[0068] The second gripper 8 includes a first sub-gripper 25 and a second sub-gripper 26, which are arranged sequentially along the X-axis of the aforementioned three-dimensional coordinate system. A fourth sensor 27 and a fifth sensor 28 are sequentially arranged along the Y-axis of the aforementioned three-dimensional coordinate system on the buffer belt 7. The fourth sensor 27 is electrically connected to the buffer belt 7. The fourth sensor 27 detects whether the buffer belt 7 is receiving the lower plastic 3 gripped by the gripper. If the buffer belt 7 is receiving the lower plastic 3 gripped by the gripper, the buffer belt 7 drives the lower plastic 3 to move along the Y-axis of the aforementioned three-dimensional coordinate system. The fifth sensor 28 is located below the first sub-gripper 25 and is electrically connected to the second gripper 8. The fifth sensor 28 detects whether the lower plastic 3 is conveyed to the area below the first sub-gripper 25. If the lower plastic 3 is successfully conveyed to the area below the first sub-gripper 25, the first sub-gripper 25 grips the lower plastic 3.

[0069] The synchronous transport mechanism also includes a plastic injection hole detection fixture 30. The distance between the plastic injection hole detection fixture 30 and the merging fixture 14 is equal to the distance between the first sub-gripper 25 and the second sub-gripper 26. The first sub-gripper 25 picks up the lower plastic 3 and moves it along the X-axis of the three-dimensional coordinate system, transporting the lower plastic 3 into the plastic injection hole detection fixture 30. At the same time, the second sub-gripper 26 picks up the lower plastic 3 from the plastic injection hole detection fixture 30 and transports it along the X-axis of the three-dimensional coordinate system to the merging position, i.e., along the upper... The X-axis direction of the three-dimensional coordinate system is transported to the merging fixture 14. That is, when the second sub-gripper 26 grabs the lower plastic 3 away from the plastic injection hole detection fixture 30 and transports it to the merging fixture 14, the first sub-gripper 25 will simultaneously grab the next set of lower plastic 3 from the synchronous transport position of the buffer belt 7 and transport it to the plastic injection hole detection fixture 30. The plastic injection hole detection fixture 30 also has a sixth sensor 29, which is a laser displacement sensor used to detect the 180° front and back of the lower plastic 3.

[0070] The hot-melt positioning fixture 15 includes two clamping cylinders 31 and four top blocks 32. The clamping cylinders 31 are located on both sides of the merged top cover plate 12 and the lower plastic 3. Since the hot-melt positioning fixture 15 is the key to controlling the welding yield of the lower plastic 3, this embodiment uses simultaneous positioning of the lower plastic 3 and the top cover plate 12. That is, the clamping cylinders 31 located on the perpendicular sides of the merged top cover plate 12 and the lower plastic 3 open and close at a specified interval to position the merged top cover plate 12 and the lower plastic 3. At the center line of the cover plate of the hot melt positioning fixture 15, the merged top cover plate 12 and the lower plastic 3 are limited with the center line of the cover plate as the reference. Then, the top blocks 32 (two top blocks 32 are distributed on one side) set on the other set of opposite sides of the merged top cover plate 12 and the lower plastic 3 open and close a specified distance, and the opening and closing trajectory of the top blocks 32 on both sides is symmetrical with respect to the center line of the cover plate. That is, the merged top cover plate 12 and the lower plastic 3 are limited a second time with the other set of opposite sides as the reference.

[0071] A hot-melt synchronous transport mechanism is also provided between the top cover fixture 13, the merging fixture 14, and the hot-melt positioning fixture 15. The hot-melt synchronous transport mechanism includes an X-axis drive mechanism 45 and a Z-axis drive mechanism 46. The hot-melt synchronous transport mechanism is used to drive the top cover 12 or the lower plastic 3 to be transported at high speed between the top cover fixture 13, the merging fixture 14, and the hot-melt positioning fixture 15. When the top cover 12 needs to leave the top cover fixture 13, the hot-melt synchronous transport mechanism will move upward along the Z-axis of the above-mentioned three-dimensional coordinate system under the drive of the Z-axis drive mechanism 46 until the top cover 12 is removed from the limit of the top cover fixture 13. Then, the top cover 12 is driven to move along the X-axis of the above-mentioned three-dimensional coordinate system by the X-axis drive mechanism 45. When the top cover 12 moves above the merging fixture 14, the Z-axis drive mechanism 46 will drive the hot-melt synchronous transport mechanism to move downward along the Z-axis of the above-mentioned three-dimensional coordinate system until the top cover 12 falls into the limit of the merging fixture 14.

[0072] Example 2

[0073] Please see Figure 14This is the second embodiment of the present invention. The ultrasonic hot-melt equipment for plastic under a battery cover in this embodiment further includes a cover inspection mechanism and a re-submission mechanism. Both the cover inspection mechanism and the re-submission mechanism are arranged along the Y-axis direction of the aforementioned three-dimensional coordinate system. The cover inspection mechanism includes a 3D line scanner 35, a first plastic edge distance camera 36, ​​a second plastic edge distance camera 37, and an NG rejection component 38, all arranged along the Y-axis direction of the aforementioned three-dimensional coordinate system. It also includes a material unloading and conveying line 44 for unloading the finished cover after ultrasonic welding, which passes through the 3D line scanner 35, the first plastic edge distance camera 36, ​​the second plastic edge distance camera 37, and the NG rejection component 38. The finished cover is inspected by the 3D line scanner 35, the first plastic edge distance camera 36, ​​and the second plastic edge distance camera 37. If the inspection is qualified, the finished cover is passed through the system. The finished product is conveyed to the next workstation via the unloading conveyor line 44. If it fails the inspection, the NG rejection part 38 will remove the top cover plate 12 and the lower plastic 3 that do not meet the requirements after welding. The re-feeding mechanism includes a re-feeding conveyor 39, a gripper rotating part 4018 and a fourth gripper 41. The finished product cover plate is placed on the re-feeding conveyor 39. It should be noted that the re-feeding conveyor 39 can be separated and used independently. After the batch of defective products is confirmed by manual screening, the finished product cover plate is placed on the re-feeding conveyor 39. The re-feeding conveyor 39 moves the finished product cover plate along the Y-axis of the above three-dimensional coordinate system to the lower part of the fourth gripper. The fourth gripper grabs the finished product cover plate and rotates it 90° around the Z-axis of the above three-dimensional coordinate system under the drive of the gripper rotating part 4018, and then grabs the finished product cover plate to the unloading conveyor line 44 to be conveyed to the next workstation.

[0074] Example 3

[0075] Please see Figure 12Since the hot melt positioning fixture 15 is the key to controlling the welding yield of the lower plastic 3, this solution provides another embodiment of the hot melt positioning fixture 15. The structure of the ultrasonic hot melt device for the plastic under the battery cover in this embodiment is basically the same as that in embodiment 1. The difference from embodiment 1 is that in this embodiment, the hot melt positioning fixture 15 includes several clamping cylinders 33 and limiting pins. The clamping cylinders 33 are arranged on both sides of the two opposite sides of the top cover 12, and the limiting pins are also arranged at the opposite positions of the clamping cylinders 33. A clamping block 34 is arranged inside the clamping cylinder 33. The clamping block 34 extends out of the clamping cylinder 33 and simultaneously abuts against the clamping block 34. In this embodiment, the top cover 12 and the lower plastic 3 are positioned on opposite sides. The top cover 12 is positioned first, and then the lower plastic 3 is positioned, both using the limiting pin as the positioning reference. That is, the position of the top cover 12 and the lower plastic 3 is moved by adjusting the extension distance of the six clamping cylinders 33 using the limiting pin as the positioning reference. The clamping blocks 34 are quick-change design. It should also be noted that the quick-change design of the clamping blocks 34 can be replaced with clamping blocks 34 of different shapes and sizes, thereby adjusting the positioning distance and positioning accuracy. The clamping cylinders 33 are only used as actuators to move the top cover 12 and the lower plastic 3 in position.

[0076] Figure 12 The second positioning method uses the rear limit pin of each small cylinder as the positioning reference. The positioning distance and accuracy are controlled by the external dimensions of the positioning block. The cylinder serves only as the actuator.

[0077] It should be understood that the above embodiments are merely illustrative of the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. An ultrasonic hot-melt device for plastic under a battery cover, used for welding a lower plastic sheet (3) and a top cover sheet (12), characterized in that, include: A feeding mechanism is used to transfer the lower plastic (3) to the lifting position; The first gripping mechanism is used to transfer the lower plastic (3) from the lifting position to the lower plastic injection hole detection position; A synchronous transport mechanism is used to transfer the lower plastic (3) from the lower plastic injection hole detection position to the merging position; Top cover sheet pitch changing mechanism, the top cover sheet pitch changing mechanism is used to transfer the top cover sheet (12) to the top cover sheet positioning and storage position; The main line hot melt mechanism is used to transfer the top cover piece (12) from the top cover piece positioning and storage position to the merging position, and to transfer the top cover piece (12) and the lower plastic (3) from the merging position to the positioning position; Hot melt edge positioning component (16) is used to weld the top cover piece (12) and the lower plastic (3) located at the positioning position into one piece.

2. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 1, characterized in that, The feeding mechanism includes a hopper (1), a rotating component (18), and a lifting component (2). The hopper (1) is used to place the lower plastic (3). The rotating component (18) is used to drive the hopper (1) to rotate around the Z-axis of a three-dimensional coordinate system. The hopper (1) drives the lower plastic (3) to move between the feeding position and the lifting position. The lifting component (2) is used to drive the hopper (1) to move between the lifting position and the lifting position along the Z-axis of the three-dimensional coordinate system. And / or, the first gripping mechanism includes a first gripper (4), a gripper translation component (5), and a first gripper moving truss (6). The first gripper moving truss (6) is used to drive the first gripper (4) to move along the Y-axis of the three-dimensional coordinate system, so that the lower plastic (3) is removed from the lifting position. The gripper translation component (5) is used to drive the first gripper (4) to move along the X-axis of the three-dimensional coordinate system, so that the lower plastic (3) moves to the lower plastic injection hole detection position. And / or, the ultrasonic hot-melt device for the plastic under the battery cover also includes a buffer belt (7), which is used to carry the lower plastic (3) and to transport the lower plastic (3) from the detection position of the lower plastic injection hole along the Y-axis of the three-dimensional coordinate system to the synchronous transport position; And / or, the synchronous transport mechanism includes a second gripper (8) and a second gripper moving truss (9), the second gripper moving truss (9) being used to drive the second gripper (8) to move along the X-axis direction of the three-dimensional coordinate system, so that the lower plastic (3) moves from the synchronous transport position to the merging position; And / or, the top cover plate variable pitch mechanism includes a third gripper (10) and a third gripper moving truss (11), the third gripper moving truss (11) being used to drive the third gripper (10) to move along the Y-axis direction of the three-dimensional coordinate system, so that the top cover plate (12) moves from the initial position to the top cover plate positioning and storage position; And / or, the main line hot melt mechanism is provided with a top cover piece fixture (13), a merging fixture (14) and a hot melt positioning fixture (15) in sequence along the given Y-axis direction. The top cover piece positioning storage position is located on the top cover piece fixture (13), the merging position is located on the merging fixture (14), and the positioning position is located on the hot melt positioning fixture (15). The main line hot melt mechanism is used to drive the top cover piece (12) from the top cover piece positioning storage position to the merging position, and drive the top cover piece (12) and the lower plastic (3) from the merging position to the positioning position.

3. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 2, characterized in that, It also includes a base (17), the interior of which is provided with an accommodating space; The lower end of the feeding mechanism is provided with a rotating component (18), and at least a portion of the lifting component (2) and the rotating component (18) are provided in the accommodating space of the base (17). The rotating component (18) penetrates the upper end face of the base (17), and the upper end face of the base (17) is provided with a lifting hole (19). The lifting component (2) extends out from the lifting hole (19). And / or, a gripper lifting member (21) is provided between the first gripper (4) and the gripper translation member (5). The gripper lifting member (21) is used to drive the first gripper (4) to move along the Z-axis direction of the three-dimensional coordinate system. The lowest position of the gripper lifting member (21) driving the first gripper (4) to move along the Z-axis direction of the three-dimensional coordinate system coincides with the highest position of the lifting member (2) driving the lower plastic (3) to move along the Z-axis direction of the three-dimensional coordinate system.

4. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 2, characterized in that, A first sensor (22) is provided on the first gripper (4), and the first sensor (22) and the first gripper (4) are electrically connected. The first sensor (22) is used to detect whether the first gripper (4) and the lower plastic (3) are in contact. And / or, a second sensor (23) is provided on the upper part of the hopper (1), the second sensor (23) is electrically connected to the lifting member (2), and the second sensor (23) is used to detect whether the lower plastic (3) exists in the hopper (1).

5. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 3, characterized in that, A third sensor (24) is provided on the base (17). The third sensor (24) corresponds to the material discharge position of the hopper (1). The third sensor (24) is used to detect whether the lower plastic (3) exists in the hopper (1).

6. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 2, characterized in that, The second gripper (8) includes a first sub-gripper (25) and a second sub-gripper (26), wherein the first sub-gripper (25) and the second sub-gripper (26) are arranged sequentially along the X-axis direction of the three-dimensional coordinate system; And / or, the buffer belt (7) is provided with a fourth sensor (27) and a fifth sensor (28) in sequence along the Y-axis direction of the three-dimensional coordinate system. The fourth sensor (27) is located at the detection position of the lower plastic injection hole. The fourth sensor (27) is used to detect whether the lower plastic (3) exists on the buffer belt (7). And / or, the fifth sensor (28) is located at the synchronous transport position, and the fifth sensor (28) is used to detect whether the lower plastic (3) is transported to the lower part of the first suction cup (20) group.

7. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 6, characterized in that, The synchronous transport mechanism also includes a plastic injection hole detection fixture (30), which is used to receive the lower plastic (3) transferred by the first sub-gripper (25).

8. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 2, characterized in that, The hot melt positioning fixture (15) includes several clamping cylinders (31) and several top blocks (32). The clamping cylinders (31) are located on both sides of the combined top cover plate (12) and the lower plastic (3) perpendicular to each other. And / or, the hot melt positioning fixture (15) includes a plurality of clamping cylinders (33), the clamping cylinders (33) are disposed on both sides of the two opposite sides of the top cover plate (12), the clamping cylinders (33) are provided with clamping blocks (34) inside the clamping cylinders (33), the clamping blocks (34) extend out of the clamping cylinders (33) and simultaneously abut against both sides of the two opposite sides of the top cover plate (12) and the lower plastic (3).

9. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 2, characterized in that, It also includes a cover plate inspection mechanism and a re-submission mechanism. Both the cover plate inspection mechanism and the re-submission mechanism are set along the Y-axis direction of the three-dimensional coordinate system. The cover plate inspection mechanism includes a 3D line scanning component (35), a first plastic edge distance camera (36), a second plastic edge distance camera (37), and an NG rejection component (38) set along the Y-axis direction of the three-dimensional coordinate system. The NG rejection component (38) is used to reject the top cover plate (12) and the lower plastic (3) that do not meet the conditions after welding. And / or, the re-discharge mechanism includes a re-discharge conveyor (39), a gripper rotating component (40), and a fourth gripper (41). The re-discharge conveyor (39) has a finished product cover plate placed on it. The re-discharge conveyor (39) is used to drive the finished product cover plate to move along the Y-axis of the three-dimensional coordinate system to below the fourth gripper. The fourth gripper grabs the finished product cover plate and rotates around the Z-axis of the three-dimensional coordinate system under the drive of the gripper rotating component (40).

10. The ultrasonic hot-melt equipment for plastic under the battery cover according to claim 9, characterized in that, The gripping structures of the first gripper (4), the second gripper (8), the third gripper (10), and the fourth gripper are at least one of a mechanical clamping structure or a negative pressure adsorption structure.

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