Automatic top cover plate welding equipment for power battery processing

Abstract

The utility model discloses automatic top cover plate welding equipment for power battery processing, which relates to the technical field of design of top cover plate welding devices for power battery processing, and comprises a welding main body, a welding fixing unit and an automatic welding unit, a protective cover is arranged on the upper side surface of the welding body, a round hole is formed in the position, located in the protective cover, of the welding body and penetrates through the upper side and the lower side of the welding body, a welding fixing unit is arranged in the round hole, and a welding hole is formed in the front side surface of the protective cover and extends into the welding body. The welding holes correspond to the welding fixing units, during welding, the position can be automatically adjusted for welding, the welding efficiency is not affected, and using is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of design of a top cover plate welding device for power battery processing, in particular to an automatic top cover plate welding device for power battery processing. Background Art

[0002] The power battery pack structure is mainly composed of a mold frame, a tray, and a top cover. The power battery is one of the core technologies of the electric vehicle industry, affecting the performance and safety of electric vehicles. The energy density of the battery pack increases the driving range to a certain extent, but it increases the risk of safety and reliability. In addition to the performance improvement in battery energy density, the weight reduction of the integrated structural parts of the battery pack has also been unanimously recognized by the industry. In order to facilitate the production of power batteries, a welding device is required to fix the top cover on the mold frame. In order to facilitate the welding of the top cover plate, an automatic welding device for the top cover plate used in power battery processing is required.

[0003] The existing automatic welding equipment for top cover plates used in power battery processing cannot automatically adjust the position for welding during welding, which affects the welding efficiency and is inconvenient to use. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide an automatic welding device for the top cover plate used for power battery processing. During welding, the position can be automatically adjusted for welding without affecting the welding efficiency. The use is more convenient and can effectively solve the problems in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic welding device for a top cover plate used for power battery processing, comprising a welding body, a welding fixing unit, and an automatic welding unit;

[0006] Welding body: A supporting leg is fixedly connected to each of the four corners of the lower surface, a protective cover is provided on the upper surface of the welding body, a circular hole is provided on the welding body at a position inside the protective cover, the circular hole passes through the upper and lower sides of the welding body, a welding fixing unit is provided in the circular hole, a welding hole is provided on the front surface of the protective cover, the welding hole extends into the welding body, and the welding hole corresponds to the welding fixing unit;

[0007] Automatic welding unit: comprises a fixed cross bar, a threaded column, a movable slider, an electric push rod, a hydraulic cylinder 2, a clamping fixing plate and an electric welding pen, the upper surface of the welding body is located at the position in front of the protective cover and is fixedly connected to a fixed cross bar, the upper surface of the fixed cross bar is provided with a slide groove, a threaded column is rotatably connected in the slide groove, a movable slider is slidably connected in the slide groove, the screw hole on the movable slider is threadedly connected on the corresponding threaded column, an electric push rod is fixedly connected to the upper surface of the movable slider, a hydraulic cylinder 2 is arranged on the upper end of the electric push rod, the extended end of the hydraulic cylinder 2 is fixedly connected to the clamping fixing plate, the clamping fixing plate corresponds to the welding hole on the protective cover, the clamping fixing plate is fixedly connected to the electric welding pen through a fixing seat, the electric welding pen corresponds to the welding hole on the protective cover, the input end of the electric push rod, the hydraulic cylinder 2 and the electric welding pen is electrically connected to the output end of the external power supply through the external control switch group.

[0008] The welding body is used to fix and install the device, the protective cover is used to protect the operator, the welding fixing unit is used to fix the cover plate that needs to be welded, which is convenient for welding, the fixed cross bar is used to fix the threaded column, the threaded column rotates, thereby driving the movable slider to move, and the movable slider moves to adjust the position, which is convenient for welding at different positions of the cover plate, the electric push rod is used to adjust the up and down position, the hydraulic cylinder 2 is used to adjust the front and back position, which is convenient for adjusting the position of the electric welding pen, so that the electric welding pen can contact the cover plate that needs to be welded, so as to perform welding, the clamping fixing plate is used to fix the electric welding pen, the electric welding pen is used for welding, and the electric welding pen adopts an industrial electric welding pen for welding.

[0009] Furthermore, the automatic welding unit also includes a protective shield and a connecting strip. The electric welding pen is sleeved with a protective shield, and the rear surface of the protective shield is fixedly connected to the clamping fixing plate through the connecting strip.

[0010] The connecting strip is used to fix the protective shield, and the protective shield is used as a protective device during welding to prevent sparks generated by welding from flying around, thereby facilitating welding.

[0011] Furthermore, the automatic welding unit also includes a rotating motor 2, the left end face of the welding body is located at a position corresponding to the fixed cross bar and is fixedly connected to a motor fixing plate, the upper surface of the motor fixing plate is fixedly connected to a rotating motor 2, the left end of the threaded column extends to the left side of the fixed cross bar and is fixedly connected to the output shaft on the rotating motor 2, and the input end of the rotating motor 2 is electrically connected to the output end of the external power supply through an external control switch group.

[0012] The second rotating motor is started to drive the threaded column to rotate to provide power for adjusting the welding position.

[0013] Furthermore, the welding fixing unit includes a fixed connecting frame, a rotating motor 1, a rotating cylinder, a fixed disk and a limit block. The circular hole on the welding body is rotatably connected to the fixed disk through a bearing. The upper surface of the fixed disk is fixedly connected to four limit blocks in a rectangular array. The lower surface of the welding body is located at the edge of the circular hole and is fixedly connected to a fixed connecting frame. A rotating motor 1 is fixedly connected to the fixed connecting frame. The output shaft on the rotating motor 1 is fixedly connected to one end of the rotating cylinder. The upper end of the rotating cylinder is fixedly connected to the lower surface of the fixed disk. The input end of the rotating motor 1 is electrically connected to the output end of an external power supply through an external control switch group.

[0014] The fixed connecting frame is used to fix the rotating motor. When the rotating motor is started, the rotating cylinder rotates. The rotating cylinder rotates, driving the fixed disc to rotate. The fixed disc is used to fix the workpiece to be welded, which is convenient for welding. The limit block is used to limit the workpiece to be welded to make the fixation more firm and convenient for welding.

[0015] Furthermore, the welding fixing unit also includes a supporting vertical rod and a hydraulic cylinder 1. The upper surface of the fixed disk is located on the left and right sides of the four limit blocks and is fixedly connected to a supporting vertical rod respectively. The uncorresponding sides of the two supporting vertical rods are fixedly connected to the hydraulic cylinder 1 through a hydraulic cylinder fixing frame respectively. The extended ends of the two hydraulic cylinders 1 pass through the left and right sides of the corresponding supporting vertical rods respectively. The input end of the hydraulic cylinder 1 is electrically connected to the output end of the external power supply through an external control switch group.

[0016] The supporting vertical rod is used to fix the hydraulic cylinder. Once the hydraulic cylinder is started, the position of the supporting suction cup is adjusted to facilitate the support and fixation of the supporting suction cup and the top cover, which is convenient for welding.

[0017] Furthermore, the welding fixing unit also includes a supporting suction cup, and one corresponding side of the two hydraulic cylinders is respectively fixedly connected to a supporting suction cup.

[0018] The supporting suction cup is used to fix and support the top cover that needs to be welded, making it more firmly fixed during welding and convenient to use.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] 1. The automatic welding equipment for the top cover plate used for power battery processing has the following advantages: an automatic welding unit is provided, which is started by rotating the second motor to drive the threaded column to rotate, and the fixed cross bar is used to fix the threaded column. The threaded column rotates to drive the movable slider to move, and the movable slider moves to adjust the position, which is convenient for welding different positions of the cover plate. The electric push rod is used to adjust the up and down position, and the second hydraulic cylinder is used to adjust the front and back position, which is convenient for adjusting the position of the electric welding pen, so that the electric welding pen is in contact with the cover plate to be welded, so as to perform welding. The clamping fixing plate is used to fix the electric welding pen, and the electric welding pen is used for welding. The connecting strip is used to fix the protective shield. The protective shield is used for welding, and a protective device is used to prevent sparks generated by welding from flying around, so as to perform automatic welding;

[0021] 2. The automatic welding equipment for the top cover plate used for power battery processing has the following advantages: a welding fixing unit is provided, and a fixing disc is used to fix the workpiece to be welded, which is convenient for welding. The limit block is used to limit the workpiece to be welded to make the fixation more firm. The support vertical rod is used to fix the hydraulic cylinder 1. Once the hydraulic cylinder is started, the position of the support suction cup is adjusted to facilitate the support and fixation of the support suction cup and the top cover. The support suction cup is used to fix the top cover to be welded, so that the fixation is more firm during welding. After fixation, when the angle needs to be adjusted, the fixed connecting frame is used to fix the rotating motor 1. Once the rotating motor is started, the rotating cylinder is rotated, and the rotating cylinder rotates, which drives the fixed disc to rotate to make adjustments, which is convenient for welding.

[0022] 3. This automatic welding equipment for the top cover plate used for power battery processing has the following advantages: during welding, the position can be automatically adjusted for welding, which does not affect the welding efficiency and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the side sectional structure of the utility model;

[0025] Figure 3 For this utility model Figure 2 Schematic diagram of the local enlarged structure at point A in the middle.

[0026] In the figure: 1 welding body, 2 protective cover, 3 welding fixing unit, 31 fixed connecting frame, 32 rotating motor 1, 33 rotating cylinder, 34 fixed disc, 35 limit block, 36 supporting vertical rod, 37 hydraulic cylinder 1, 38 supporting suction cup, 4 automatic welding unit, 41 fixed cross bar, 42 rotating motor 2, 43 threaded column, 44 moving slider, 45 electric push rod, 46 hydraulic cylinder 2, 47 clamping fixing plate, 48 electric welding pen, 49 protective cover, 410 connecting strip. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-3 , This embodiment provides a technical solution: an automatic welding device for a top cover plate used in power battery processing, comprising a welding body 1, a welding fixing unit 3, and an automatic welding unit 4;

[0029] Welding body 1: A supporting leg is fixedly connected to each of the four corners of the lower surface, a protective cover 2 is provided on the upper surface of the welding body 1, a circular hole is provided on the welding body 1 at a position inside the protective cover 2, the circular hole passes through the upper and lower sides of the welding body 1, a welding fixing unit 3 is provided in the circular hole, a welding hole is provided on the front surface of the protective cover 2, the welding hole extends into the welding body 1, and the welding hole corresponds to the welding fixing unit 3;

[0030] Automatic welding unit 4: includes a fixed cross bar 41, a threaded column 43, a movable slide block 44, an electric push rod 45, a hydraulic cylinder 2 46, a clamping fixing plate 47 and an electric welding pen 48. The upper surface of the welding body 1 is located at the front side of the protective cover 2 and is fixedly connected to a fixed cross bar 41. A slide groove is provided on the upper surface of the fixed cross bar 41. A threaded column 43 is rotatably connected in the slide groove. A movable slide block 44 is slidably connected in the slide groove. The screw hole on the movable slide block 44 is threadedly connected to the corresponding 43. The movable slide block 44 is provided with a screw hole on the movable slide block 44. An electric push rod 45 is fixedly connected to the side surface, and a hydraulic cylinder 46 is provided on the upper end of the electric push rod 45. The extended end of the hydraulic cylinder 46 is fixedly connected to a clamping fixing plate 47, and the clamping fixing plate 47 corresponds to the welding hole on the protective cover 2. The clamping fixing plate 47 is fixedly connected to an electric welding pen 48 through a fixing seat, and the electric welding pen 48 corresponds to the welding hole on the protective cover 2. The input ends of the electric push rod 45, the hydraulic cylinder 46 and the electric welding pen 48 are electrically connected to the output end of an external power supply through an external control switch group.

[0031] The welding body 1 is used to fix and install the device, the protective cover 2 is used to protect the operator, the welding fixing unit 3 is used to fix the cover plate to be welded, and is convenient for welding. The fixed cross bar 41 is used to fix the threaded column 43. The threaded column 43 rotates to drive the movable slider 44 to move. The movable slider 44 moves to adjust the position, which is convenient for welding at different positions of the cover plate. The electric push rod 45 is used to adjust the up and down position. The hydraulic cylinder 46 is used to adjust the front and back position, which is convenient for adjusting the position of the electric welding pen 48, so that the electric welding pen 48 is in contact with the cover plate to be welded, so as to perform welding. The clamping fixing plate 47 is used to fix the electric welding pen 48. The electric welding pen 48 is used for welding. The electric welding pen 48 adopts an industrial electric welding pen for welding.

[0032] The automatic welding unit 4 further comprises a protective shield 49 and a connecting strip 410 . A protective shield 49 is sleeved on the electric welding pen 48 . The rear surface of the protective shield 49 is fixedly connected to the clamping fixing plate 47 via the connecting strip 410 .

[0033] The connecting strip 410 is used to fix the protective shield 49. The protective shield 49 is used as a protective device during welding to prevent sparks generated by welding from flying around, thereby facilitating welding.

[0034] The automatic welding unit 4 also includes a rotating motor 42. The left end face of the welding body 1 is located at a position corresponding to the fixed cross bar 41 and is fixedly connected to a motor fixing plate. The upper surface of the motor fixing plate is fixedly connected to a rotating motor 42. The left end of the threaded column 43 extends to the left side of the fixed cross bar 41 and is fixedly connected to the output shaft on the rotating motor 42. The input end of the rotating motor 42 is electrically connected to the output end of the external power supply through an external control switch group.

[0035] The second rotating motor 42 is started to drive the threaded column 43 to rotate, thereby providing power for adjusting the welding position.

[0036] The welding fixing unit 3 includes a fixed connecting frame 31, a rotating motor 32, a rotating cylinder 33, a fixed disk 34 and a limit block 35. The circular hole on the welding body 1 is rotatably connected to the fixed disk 34 through a bearing. The upper surface of the fixed disk 34 is fixedly connected to four rectangular array limit blocks 35. The lower surface of the welding body 1 is located at the edge of the circular hole and is fixedly connected to a fixed connecting frame 31. A rotating motor 32 is fixedly connected to the fixed connecting frame 31. The output shaft on the rotating motor 32 is fixedly connected to one end of the rotating cylinder 33. The upper end of the rotating cylinder 33 is fixedly connected to the lower surface of the fixed disk 34. The input end of the rotating motor 32 is electrically connected to the output end of the external power supply through an external control switch group.

[0037] The fixed connecting frame 31 is used to fix the rotating motor 32. When the rotating motor 32 is started, the rotating cylinder 33 rotates. The rotating cylinder 33 rotates, driving the fixed disk 34 to rotate. The fixed disk 34 is used to fix the workpiece to be welded for the convenience of welding. The limit block 35 is used to limit the workpiece to be welded to make the fixation more firm and convenient for welding.

[0038] The welding fixing unit 3 also includes a supporting vertical rod 36 and a hydraulic cylinder 37. The upper surface of the fixed disk 34 is located on the left and right sides of the four limit blocks 35, and is fixedly connected to a supporting vertical rod 36 respectively. The uncorresponding sides of the two supporting vertical rods 36 are fixedly connected to the hydraulic cylinder 37 through hydraulic cylinder fixing frames respectively. The extended ends of the two hydraulic cylinders 37 respectively penetrate the left and right sides of the corresponding supporting vertical rods 36, and the input end of the hydraulic cylinder 37 is electrically connected to the output end of the external power supply through an external control switch group.

[0039] The support vertical rod 36 is used to fix the hydraulic cylinder 37. When the hydraulic cylinder 37 is started, the position of the support suction cup 38 is adjusted to facilitate the support and fixation of the support suction cup 38 and the top cover for welding.

[0040] The welding fixing unit 3 further includes a supporting suction cup 38, and one corresponding side of the two hydraulic cylinders 1 37 is respectively fixedly connected with a supporting suction cup 38.

[0041] The supporting suction cup 38 is used to fix and support the top cover that needs to be welded, so that the fixation during welding is more firm and convenient to use.

[0042] The working principle of the automatic welding equipment for top cover plates used for power battery processing provided by the utility model is as follows: first, a fixing disc 34 is used to fix the workpiece to be welded, so as to facilitate welding. The limit block 35 is used to limit the workpiece to be welded to make the fixation more firm. The support vertical rod 36 is used to fix the hydraulic cylinder 1 37. The hydraulic cylinder 1 37 is started to adjust the position of the support suction cup 38, so that the support suction cup 38 and the top cover can be supported and fixed. The support suction cup 38 is used to fix and support the top cover to be welded, so that the fixation is more firm during welding. Then, the motor 2 42 is started to drive the threaded column 43 to rotate. The fixed cross bar 41 is used to fix the threaded column 43. The threaded column 43 rotates, thereby driving the moving slider 44 to move. The moving slider 44 moves to adjust The position is convenient for welding at different positions of the cover plate, the electric push rod 45 is used to adjust the up and down position, the hydraulic cylinder 46 is used to adjust the front and back position, and it is convenient to adjust the position of the electric welding pen 48, so that the electric welding pen 48 can contact the cover plate to be welded, so as to perform welding, the clamping fixing plate 47 is used to fix the electric welding pen 48, and the electric welding pen 48 is used for welding, the connecting strip 410 is used to fix the protective shield 49, and the protective shield 49 is used as a protective device during welding to prevent sparks generated by welding from flying around, so as to perform automatic welding, and at the same time, when the angle needs to be adjusted, the connecting frame 31 is used to fix the rotating motor 32, the rotating motor 32 is started, and the rotating cylinder 33 is rotated, and the rotating cylinder 33 is rotated, which drives the fixed disk 34 to rotate, so as to perform adjustment, so that automatic welding can be used.

[0043] It is worth noting that the core chip of the external control switch group disclosed in the above embodiments is a PLC single-chip microcomputer, the electric welding pen 48 adopts an industrial electric welding pen, the rotating motor 2 42 and the rotating motor 1 32 adopt servo motors, and the external control switch group controls the operation of the electric welding pen 48, the hydraulic cylinder 1 37, the electric push rod 45, the hydraulic cylinder 2 46, the rotating motor 2 42 and the rotating motor 1 32 using methods commonly used in the prior art.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. An automatic welding device for top cover plate used in power battery processing, characterized in that: It comprises a welding body (1), a welding fixing unit (3), and an automatic welding unit (4); Welding body (1): the four corners of the lower side surface are respectively fixedly connected to a supporting leg, the upper side surface of the welding body (1) is provided with a protective cover (2), a circular hole is provided on the welding body (1) at a position inside the protective cover (2), the circular hole passes through the upper and lower sides of the welding body (1), a welding fixing unit (3) is provided in the circular hole, a welding hole is provided on the front side surface of the protective cover (2), the welding hole extends into the welding body (1), and the welding hole corresponds to the welding fixing unit (3); The automatic welding unit (4) comprises a fixed cross bar (41), a threaded column (43), a movable slide block (44), an electric push rod (45), a second hydraulic cylinder (46), a clamping fixing plate (47) and an electric welding pen (48). The upper surface of the welding body (1) is located in front of the protective cover (2) and is fixedly connected to a fixed cross bar (41). The upper surface of the fixed cross bar (41) is provided with a slide groove. A threaded column (43) is rotatably connected in the slide groove. A movable slide block (44) is slidably connected in the slide groove. The screw hole on the movable slide block (44) is threadedly connected to the corresponding threaded column (43). The movable slide block ( 44) An electric push rod (45) is fixedly connected to the upper surface, and a hydraulic cylinder 2 (46) is arranged at the upper end of the electric push rod (45). The extended end of the hydraulic cylinder 2 (46) is fixedly connected to a clamping fixing plate (47), and the clamping fixing plate (47) corresponds to the welding hole on the protective cover (2). The clamping fixing plate (47) is fixedly connected to an electric welding pen (48) through a fixing seat, and the electric welding pen (48) corresponds to the welding hole on the protective cover (2). The input ends of the electric push rod (45), the hydraulic cylinder 2 (46) and the electric welding pen (48) are electrically connected to the output end of an external power supply through an external control switch group.

2. The automatic welding equipment for top cover plates used in power battery processing according to claim 1 is characterized in that: The automatic welding unit (4) further comprises a protective shield (49) and a connecting strip (410); the electric welding pen (48) is sleeved with a protective shield (49); and the rear surface of the protective shield (49) is fixedly connected to the clamping fixing plate (47) via the connecting strip (410).

3. The automatic welding equipment for top cover plate used for power battery processing according to claim 1 is characterized in that: The automatic welding unit (4) further comprises a second rotating motor (42); the left end face of the welding body (1) is located at a position corresponding to the fixed cross bar (41) and is fixedly connected to a motor fixing plate; the upper surface of the motor fixing plate is fixedly connected to a second rotating motor (42); the left end of the threaded column (43) extends to the left side of the fixed cross bar (41) and is fixedly connected to the output shaft of the second rotating motor (42); the input end of the second rotating motor (42) is electrically connected to the output end of an external power supply via an external control switch group.

4. The automatic welding equipment for top cover plate used for power battery processing according to claim 1 is characterized in that: The welding fixing unit (3) comprises a fixed connecting frame (31), a rotating motor (32), a rotating cylinder (33), a fixed disk (34) and a limit block (35); the circular hole on the welding body (1) is rotatably connected to the fixed disk (34) via a bearing; the upper surface of the fixed disk (34) is fixedly connected to four limit blocks (35) in a rectangular array; the lower surface of the welding body (1) is fixedly connected to a fixed connecting frame (31) at a position at the edge of the circular hole; the fixed connecting frame (31) is fixedly connected to a rotating motor (32); the output shaft on the rotating motor (32) is fixedly connected to one end of the rotating cylinder (33); the upper end of the rotating cylinder (33) is fixedly connected to the lower surface of the fixed disk (34); the input end of the rotating motor (32) is electrically connected to the output end of an external power supply via an external control switch group.

5. The automatic welding equipment for top cover plate used for power battery processing according to claim 4 is characterized in that: The welding fixing unit (3) further comprises a supporting vertical rod (36) and a hydraulic cylinder one (37); the upper surface of the fixing disc (34) is fixedly connected to a supporting vertical rod (36) at positions on the left and right sides of the four limit blocks (35); the uncorresponding sides of the two supporting vertical rods (36) are respectively fixedly connected to the hydraulic cylinder one (37) via hydraulic cylinder fixing frames; the extended ends of the two hydraulic cylinders one (37) respectively penetrate the left and right sides of the corresponding supporting vertical rod (36); the input end of the hydraulic cylinder one (37) is electrically connected to the output end of an external power supply via an external control switch group.

6. The automatic welding equipment for top cover plate used for power battery processing according to claim 5 is characterized in that: The welding fixing unit (3) further comprises a supporting suction cup (38), and one corresponding side of each of the two hydraulic cylinders (37) is fixedly connected to a supporting suction cup (38).

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