Battery case assembly machine with bottom pad positioning function

Abstract

The invention provides a battery case assembly machine with a bottom pad positioning function, which comprises a rack and further comprises two conveying mechanisms and an inner frame, a battery case body and a bottom pad body are conveyed on the two conveying mechanisms respectively, the inner frame is mounted on the rack, the inner frame is rotatably sleeved with a transposition frame, the transposition frame is rotatably sleeved with a tooth cylinder, and the tooth cylinder is mounted on the inner frame. A driving gear ring is mounted on the tooth cylinder, the transposition frame and the tooth cylinder are respectively driven by a motor, a group of battery shell assembling parts and a group of pneumatic clamping parts are distributed in a circumferential array and are fixed on the transposition frame, and the pressure of the battery shell assembling parts is controlled by the pneumatic clamping parts. When the device works, continuous feeding and discharging of a battery shell body and a bottom pad body and accurate positioning and assembling after continuous feeding and discharging of the battery shell body and the bottom pad body can be integrally completed, and the automation degree and the assembling efficiency of the device are effectively improved by achieving the automatic assembling function.

Description

Technical Field

[0001] The present invention relates to the technical field of battery shell assembly machines, and in particular to a battery shell assembly machine with a bottom pad positioning function. Background Art

[0002] Batteries are often used as power sources for flashlights, radios, etc. After years of development, my country's dry cell battery technology has made breakthroughs in issues such as specific energy, cycle life, and high and low temperature adaptability. The tightness of the battery must be ensured during assembly, and usually a base pad of a certain height is added under the battery cell.

[0003] In the prior art, the patent document with publication number CN215834555U discloses an automatic assembly mechanism for a battery base pad and a battery shell, comprising a horizontally arranged support platform, wherein the four corners of the bottom end of the support platform are provided with vertically arranged support legs, which play a supporting role, and a battery shell placement platform is fixed to the top left side of the support platform, and a plurality of battery shell placement grooves arranged side by side are opened on the top of the battery shell placement platform, and the battery shell placement grooves are used to place the battery shells, and the battery shell placement platform extends from the right end of the battery shell placement groove, and a battery base pad placement platform is provided on the top of the support platform near the right end of the battery shell placement platform, and a battery base pad placement platform is provided on the top of the battery base pad placement platform, and a battery base pad placement groove corresponding to the battery shell placement groove is opened on the top of the battery base pad placement platform, and the battery base pad placement groove is used to place the battery base pad, and the battery shell placement groove in the above device is used for The battery shell is placed, and the battery bottom pad placement groove is used to place the battery bottom pad. Under the action of the electric push rod, the push rod pushes the battery bottom pad to the bottom end inside the battery shell. The grooves on both sides of the battery shell placement groove are convenient for the staff to take and place the battery shell. The electric push rod is set to provide power for the movement of the push rod, and the setting of the block has a blocking effect on the battery shell. However, the above technical scheme is not convenient for completing the continuous loading and unloading of the battery shell body and the bottom pad body and the precise positioning and assembly of the battery shell body and the bottom pad body after continuous loading and unloading during assembly. On the other hand, it is not convenient to realize ultrasonic detection and visual detection before assembly of the battery shell body and the bottom pad body. Based on this, the present invention provides a battery shell assembly machine with a bottom pad positioning function to solve the technical problems raised in the above background technology. Summary of the invention

[0004] Based on this, it is necessary to provide a battery shell assembly machine with a bottom pad positioning function to address the problems that the existing technical solutions are not convenient for completing the continuous loading and unloading of the battery shell body and the bottom pad body in an integrated manner during assembly, and the precise positioning and assembly of the battery shell body and the bottom pad body after continuous loading and unloading, and are not convenient for realizing ultrasonic inspection and visual inspection before assembly of the battery shell body and the bottom pad body.

[0005] The above purpose is achieved through the following technical solutions:

[0006] The present invention also provides a battery shell assembly machine with a bottom pad positioning function, comprising a frame, and further comprising:

[0007] Two conveying mechanisms, the two conveying mechanisms respectively convey the battery shell body and the bottom pad body;

[0008] An inner frame is mounted on the frame, a transfer frame is rotatably provided on the inner frame, a gear cylinder is rotatably provided on the transfer frame, a driving gear ring is installed on the gear cylinder, and the transfer frame and the gear cylinder are driven by a motor respectively;

[0009] A group of battery shell assembly components distributed in a circumferential array and fixed on the indexing frame;

[0010] An air clamp component, wherein the battery housing assembly component is pressure controlled by the air clamp component;

[0011] A three-axis driving platform is installed on the frame, and a bottom pad material moving mechanism is drivingly connected to the three-axis driving platform;

[0012] A dual-axis driving platform is installed on the frame, and a battery shell material moving mechanism is drivingly connected to the dual-axis driving platform;

[0013] The detection component is installed on the frame and detects the battery shell and bottom pad;

[0014] Linkage components, matching with active gear ring and battery shell assembly components

[0015] In one embodiment, the conveying mechanism includes an annular conveyor belt and a conveying frame fixed on a frame, the inner wall of the conveying frame is rotatably connected to two conveying rollers, the two conveying rollers are both drivingly connected to the annular conveyor belt, a conveying motor is installed on the side of the conveying frame, the output shaft end of the conveying motor is fixedly connected to one of the conveying rollers, partitions are equidistantly installed on the annular conveyor belt, a coding area is fixedly arranged between two of the partitions, a coding tray is installed on the coding area, a group of regularly distributed first coding grooves for stacking battery shell bodies are opened in the coding tray in one of the conveying mechanisms, and a group of regularly distributed second coding grooves for stacking bottom pad bodies are opened in the coding tray in the other conveying mechanism.

[0016] In one of the embodiments, the loading and unloading area, the detection area, the assembly area and the transfer area are arranged on the frame in a clockwise direction, the two conveying mechanisms correspond to the positions of the loading and unloading area and the assembly area respectively, and a single-chip microcomputer is built into the frame.

[0017] In one embodiment, the linkage component includes two coupling shafts, both of which are rotatably connected to the frame, and each of the coupling shafts is fixedly mounted with a linkage gear that is transmission-connected to the active ring gear, and the positions of the two coupling shafts correspond to the positions of the detection area and the transfer area, respectively.

[0018] In one embodiment, the battery shell assembly component includes a positioning shaft rotatably connected to the indexing frame, a driven gear that cooperates with the linkage gear transmission is fixedly installed on the positioning shaft, a clamping cylinder is fixedly installed on the positioning shaft, a receiving groove with a top opening fixedly opened in the clamping cylinder and used to receive the battery shell body, an annular clamping capsule is installed in the receiving groove, a ventilation flow channel is fixedly opened in the positioning shaft, the inner cavity of the annular clamping capsule is connected to the ventilation flow channel, an outer guide cylinder is rotatably connected to the positioning shaft, the inner cavity of the outer guide cylinder is connected to the ventilation flow channel, and the outer guide cylinder is connected to the air clamp component.

[0019] In one of the embodiments, the air clamp component includes a first air pump fixed on the frame, a pressure control channel and a pressure relief chamber opened on the inner frame, and an inner guide cylinder rotatably connected to the inner frame, the inner frame is provided with two valve holes, the two valve holes are respectively connected to the pressure control channel and the pressure relief chamber, the inner frame is also provided with a pressure relief hole connected to the pressure relief chamber, an inner guide cylinder is rotatably connected on the inner frame and corresponding to the position outside the valve hole, a conduit is connected between the inner guide cylinder and the outer guide cylinder, the port of the first air pump is connected to the pressure control channel, and a first air pressure probe electrically connected to the single-chip computer is fixedly arranged at the connection point between the first air pump and the pressure control channel.

[0020] In one embodiment, the bottom pad material moving mechanism includes a material moving seat transmission connected to the three-axis drive platform, a negative pressure pump and a probe column are fixedly installed on the material moving seat, the negative pressure port of the negative pressure pump is connected to a negative pressure suction pipe, a positioning column is installed at the center of the bottom surface of the negative pressure suction pipe, a group of negative pressure suction holes are opened on the bottom surface of the negative pressure suction pipe, each of the negative pressure suction holes is connected to the inner cavity of the negative pressure suction pipe, a second air pressure probe electrically connected to the single-chip computer is fixedly arranged at the connection point between the negative pressure pump and the negative pressure suction pipe, and a first ultrasonic detection probe for ultrasonic detection of the battery shell body is installed on the probe column.

[0021] In one embodiment, the battery shell material moving mechanism includes a clamping platform transmission-connected to a dual-axis driving platform, a second air pump is mounted on the clamping platform, a clamping tube is mounted on the clamping platform, a clamping channel is fixedly opened on the clamping tube, the second air pump is connected to the clamping channel, a group of regularly distributed inner clamping capsules are mounted on the clamping tube, and the inner cavity of the inner clamping capsules is connected to the clamping channel.

[0022] In one embodiment, the detection component includes a detection column installed on the inner frame, on which a second ultrasonic detection probe arranged opposite to the loading and unloading area is installed, and a visual detection probe and a third ultrasonic detection probe are fixedly installed on the top surface of the detection column.

[0023] The beneficial effects of the present invention are:

[0024] 1. When the present invention is working, it can complete the continuous loading and unloading of the battery shell body and the bottom pad body as well as the precise positioning and assembly of the battery shell body and the bottom pad body after continuous loading and unloading in an integrated manner. By realizing the above-mentioned automatic assembly function, the automation degree and assembly efficiency of the present device are effectively improved. In addition, the present device can also realize ultrasonic detection and visual detection of the battery shell body and the bottom pad body before assembly on the basis of realizing the automatic assembly function. By realizing the assembly pre-detection function, the assembly yield of the present device is effectively improved.

[0025] 2. When the present invention is assembled, the negative pressure pump cooperates with the negative pressure suction pipe, so that the negative pressure of the bottom pad body is sucked from the coding plate. After the negative pressure suction pipe sucks the negative pressure of the bottom pad body, the sucked bottom pad body is assembled into the battery shell body, and the positioning column is set to accurately position and suck the bottom pad body. When the negative pressure suction pipe sucks the negative pressure of the bottom pad body, the first ultrasonic detection probe performs ultrasonic flaw detection on the battery shell body from the internal position of the battery shell body at the position of the detection area. After the negative pressure suction pipe sucks the negative pressure of the bottom pad body, under the driving action of the three-axis driving platform, the bottom pad body sucked by the negative pressure passes through the detection areas of the visual detection probe and the third ultrasonic detection probe in turn, and then the visual detection and Ultrasonic flaw detection is carried out through visual inspection and ultrasonic flaw detection to detect the quality of the bottom gasket body to be assembled. The unloading area is used for loading and unloading of the battery shell body, and the assembly area is used for loading and assembling of the bottom gasket body. Through the position setting of the two coupling shafts, the positioning shaft can rotate at a set speed when it is in the detection area and the transfer area, and the positioning shaft can remain stationary when it is in the assembly area and the loading and unloading area. Through the rotation of the positioning shaft in the detection area and the transfer area, on the one hand, the battery shell body is fully inspected, and on the other hand, the assembled bottom gasket body can be accurately positioned in the battery shell body. The stationary setting of the positioning shaft in the assembly area and the loading and unloading area facilitates the rapid and accurate assembly of the bottom gasket body. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of a battery shell assembly machine with a bottom pad positioning function;

[0027] Figure 2 for Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0028] Figure 3 for Figure 1 A schematic diagram of the local enlarged structure at B in the middle;

[0029] Figure 4 for Figure 1 A schematic diagram of the local enlarged structure at C in the middle;

[0030] Figure 5It is a schematic diagram of the cross-sectional structure of the motor and the clamping table;

[0031] Figure 6 for Figure 5 A schematic diagram of the local enlarged structure at D in the middle;

[0032] Figure 7 for Figure 5 A schematic diagram of the local enlarged structure at E in the middle;

[0033] Figure 8 for Figure 5 A schematic diagram of the local enlarged structure at F in the middle;

[0034] Fig. 9 It is a schematic diagram of the structure of the second air pump and the endless conveyor belt.

[0035] Among them: 1. frame; 2. battery shell body; 3. bottom pad body; 4. inner frame; 5. indexing frame; 6. gear cylinder; 7. driving gear ring; 8. motor; 9. annular conveyor belt; 10. conveyor frame; 11. partition; 12. material plate; 13. coupling; 14. linkage gear; 15. positioning shaft; 16. driven gear; 17. clamping cylinder; 18. annular clamping capsule; 19. ventilation flow channel; 20. outer guide cylinder; 21. first air pump; 22. pressure control flow channel; 23. pressure relief chamber; 2 4. Inner guide cylinder; 25. Pressure relief hole; 26. Valve hole; 27. Three-axis drive platform; 28. Material transfer seat; 29. ​​Negative pressure pump; 30. Probe column; 31. Negative pressure suction tube; 32. Positioning column; 33. Negative pressure suction hole; 34. First ultrasonic detection probe; 35. Two-axis drive platform; 36. Clamping platform; 37. Second air pump; 38. Clamping tube; 39. Inner clamping bag; 40. Inspection column; 41. Second ultrasonic detection probe; 42. Visual detection probe; 43. Third ultrasonic detection probe. DETAILED DESCRIPTION

[0036] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below through embodiments and in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0037] The serial numbers of the components herein, such as "first", "second", etc., are only used to distinguish the objects described and do not have any order or technical meaning. The "connection" and "coupling" mentioned in this application, unless otherwise specified, include direct and indirect connections (couplings). In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. are based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0038] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0039] See also Figure 1-Figure 9 A battery shell assembly machine with a bottom pad positioning function includes a frame 1 and further includes:

[0040] Two conveying mechanisms, the two conveying mechanisms respectively convey the battery shell body 2 and the bottom pad body 3;

[0041] The conveying mechanism includes an annular conveyor belt 9 and a conveyor frame 10 fixed on the frame 1. The inner wall of the conveyor frame 10 is rotatably connected to two conveyor rollers, and the two conveyor rollers are both transmission-connected to the annular conveyor belt 9. A conveying motor 8 is installed on the side of the conveyor frame 10, and the output shaft end of the conveying motor 8 is fixedly connected to a conveyor roller.

[0042] The circular conveyor belt 9 is equidistantly provided with partitions 11, and a material stacking area is fixedly provided between the partitions 11. A material stacking tray 12 is installed on the material stacking area. A group of regularly distributed first stacking grooves for stacking the battery shell body 2 are provided in the material stacking tray 12 in a conveying mechanism.

[0043] The specification of the first code groove is adapted to the shape of the battery shell body 2;

[0044] During transportation, the battery shell body 2 to be assembled and the assembled battery shell body 2 are both stacked on the first coding groove in the coding tray 12;

[0045] A group of regularly distributed second coding grooves for coding the base mat body 3 are provided in the coding tray 12 of the other conveying mechanism;

[0046] The specification of the second code groove is adapted to the specification of the base pad body 3. During the assembly operation, the base pad body 3 to be assembled is regularly stacked on the second code groove;

[0047] A through hole is fixedly provided at the center of the base pad body 3, and the through hole is adapted to the specification of the positioning column 32, so as to be used for accurate positioning of the base pad body 3;

[0048] The through hole is used for the battery tab to pass through;

[0049] The rack 1 is provided with a loading and unloading area, a detection area, an assembly area and a transfer area in a clockwise direction. The two conveying mechanisms correspond to the positions of the loading and unloading area and the assembly area respectively. The rack 1 is equipped with a built-in single chip microcomputer.

[0050] The loading and unloading area is used for loading and unloading the battery shell body 2;

[0051] The assembly area is used for loading and assembling the base pad body 3;

[0052] An inner frame 4 is mounted on the frame 1, a transfer frame 5 is rotatably sleeved on the inner frame 4, a gear cylinder 6 is rotatably sleeved on the transfer frame 5, a driving gear ring 7 is mounted on the gear cylinder 6, and the transfer frame 5 and the gear cylinder 6 are driven by a motor 8 respectively;

[0053] A group of battery shell assembly components distributed in a circumferential array and fixed on the indexing frame 5;

[0054] The gas clamp component, the battery shell assembly component is pressure controlled by the gas clamp component;

[0055] A three-axis driving platform 27 is installed on the frame 1, and a bottom pad material moving mechanism is connected to the three-axis driving platform 27;

[0056] The three-axis driving platform 27 is used to drive the bottom pad material moving mechanism to move in radial, axial and longitudinal directions;

[0057] A dual-axis driving platform 35 is installed on the frame 1, and a battery shell material moving mechanism is transmission-connected to the dual-axis driving platform 35;

[0058] The dual-axis driving platform 35 is used to drive the battery shell material moving mechanism to move in radial and axial directions;

[0059] A detection component is installed on the frame 1 and detects the battery shell and the bottom pad;

[0060] Linkage components, matching with active gear ring 7 and battery shell assembly components

[0061] The linkage component includes two coupling shafts 13, both of which are rotatably connected to the frame 1, and each coupling shaft 13 is fixedly mounted with a linkage gear 14 that is transmission-connected to the active gear ring 7, and the positions of the two coupling shafts 13 correspond to the positions of the detection area and the transfer area respectively.

[0062] By setting the positions of the two coupling shafts 13, the positioning shaft 15 can rotate at a set speed when it is in the detection area and the transfer area, and can remain stationary when it is in the assembly area and the loading and unloading area;

[0063] The rotation of the positioning shaft 15 in the detection area and the transfer area allows the battery shell body 2 to be fully detected on the one hand, and the assembled base pad body 3 to be accurately positioned in the battery shell body 2 on the other hand;

[0064] The positioning shaft 15 is arranged to be stationary in the assembly area and the loading and unloading area, thereby facilitating the rapid and accurate assembly of the bottom pad body 3;

[0065] The battery shell assembly component includes a positioning shaft 15 rotatably connected to the indexing frame 5, a driven gear 16 that cooperates with the linkage gear 14 is fixedly mounted on the positioning shaft 15, and a clamping barrel 17 is fixedly mounted on the positioning shaft 15, and a receiving groove with a top opening fixedly opened in the clamping barrel 17 for receiving the battery shell body 2;

[0066] An annular clamp capsule 18 is installed in the containing groove, a ventilation flow channel 19 is fixedly opened in the positioning shaft 15, the inner cavity of the annular clamp capsule 18 is connected to the ventilation flow channel 19, an outer guide cylinder 20 is rotatably connected to the positioning shaft 15, the inner cavity of the outer guide cylinder 20 is connected to the ventilation flow channel 19, and the outer guide cylinder 20 is connected to the air clamp component.

[0067] The air clamp component includes a first air pump 21 fixed on the frame 1, a pressure control channel 22 and a pressure relief chamber 23 opened on the inner frame 4, and an inner guide cylinder 24 rotatably connected to the inner frame 4. The inner frame 4 is provided with two valve holes 26, and the two valve holes 26 are respectively connected to the pressure control channel 22 and the pressure relief chamber 23. The inner frame 4 is also provided with a pressure relief hole 25 connected to the pressure relief chamber 23. The inner guide cylinder 24 is rotatably connected to the position on the inner frame 4 corresponding to the outer side of the valve hole 26. A conduit is connected between the inner guide cylinder 24 and the outer guide cylinder 20. The port of the first air pump 21 is connected to the pressure control channel 22. A first air pressure probe electrically connected to the single-chip computer is fixedly arranged at the connection point between the first air pump 21 and the pressure control channel 22.

[0068] When working, the first air pump 21 continuously supplies pressure to the pressure control channel 22. When the battery shell body 2 is placed in the clamp 17 and the battery shell body 2 is in a position other than the loading and unloading area, the annular clamp 18 accurately clamps and limits the bottom pad body 3 in the battery shell body 2 to be assembled.

[0069] When the battery shell body 2 is in the loading and unloading area, the gas inside the annular clamp bag 18 is fully discharged through the pressure relief cavity 23 and the pressure relief hole 25, and the clamping effect on the battery shell body 2 is lost, so that the battery shell body 2 is quickly loaded and unloaded;

[0070] The bottom pad material moving mechanism includes a material moving seat 28 which is transmission-connected to the three-axis driving platform 27, and a negative pressure pump 29 and a probe column 30 are fixedly installed on the material moving seat 28 respectively. The negative pressure port of the negative pressure pump 29 is connected to a negative pressure suction pipe 31, and a positioning column 32 is installed at the center of the bottom surface of the negative pressure suction pipe 31. A group of negative pressure suction holes 33 are opened on the bottom surface of the negative pressure suction pipe 31, and each negative pressure suction hole 33 is connected to the inner cavity of the negative pressure suction pipe 31. A second air pressure probe electrically connected to the single-chip computer is fixedly arranged at the connection point between the negative pressure pump 29 and the negative pressure suction pipe 31, and a first ultrasonic detection probe 34 for ultrasonic detection of the battery shell body 2 is installed on the probe column 30.

[0071] During assembly, the negative pressure pump 29 cooperates with the negative pressure suction pipe 31 to absorb the negative pressure of the base pad body 3 from the coding plate 12. After the negative pressure suction pipe 31 absorbs the negative pressure of the base pad body 3, the absorbed base pad body 3 is assembled into the battery shell body 2.

[0072] By setting the positioning column 32, the base pad body 3 can be accurately positioned and absorbed;

[0073] When the negative pressure suction tube 31 performs negative pressure suction on the base pad body 3, the first ultrasonic detection probe 34 performs ultrasonic flaw detection on the battery shell body 2 from the internal position of the battery shell body 2 at the position of the detection area;

[0074] The battery shell material moving mechanism includes a clamping platform 36 which is transmission-connected to the dual-axis driving platform 35, a second air pump 37 is installed on the clamping platform 36, a clamping tube 38 is installed on the clamping platform 36, a clamping flow channel is fixedly opened on the clamping tube 38, the second air pump 37 is connected to the clamping flow channel, a group of regularly distributed inner clamping capsules 39 are installed on the clamping tube 38, and the inner cavity of the inner clamping capsules 39 is connected to the clamping flow channel.

[0075] By setting the clamping tube 38 and the inner clamping bag 39, the battery shell body 2 to be assembled and the assembled battery shell body 2 can be quickly clamped and moved;

[0076] The detection component includes a detection column 40 installed on the inner frame 4, a second ultrasonic detection probe 41 arranged facing the loading and unloading area is installed on the detection column 40, and a visual detection probe 42 and a third ultrasonic detection probe 43 are fixedly installed on the top surface of the detection column 40;

[0077] After the negative pressure suction pipe 31 sucks the bottom pad body 3 under negative pressure, the bottom pad body 3 sucked by negative pressure passes through the detection areas of the visual detection probe 42 and the third ultrasonic detection probe 43 in turn under the driving action of the three-axis driving platform 27, and then the bottom pad body 3 is visually inspected and ultrasonically flawed, and the quality of the bottom pad body 3 to be assembled is detected by visual inspection and ultrasonic flaw detection;

[0078] The working principle of the present invention is: during assembly, the negative pressure pump 29 cooperates with the negative pressure suction pipe 31, so that the negative pressure of the bottom pad body 3 is sucked from the coding plate 12, and after the negative pressure suction pipe 31 sucks the bottom pad body 3 under negative pressure, the sucked bottom pad body 3 is assembled into the battery shell body 2, and the positioning column 32 is set to accurately position and absorb the bottom pad body 3. When the negative pressure suction pipe 31 sucks the bottom pad body 3 under negative pressure, the first ultrasonic detection probe 34 performs ultrasonic flaw detection on the battery shell body 2 from the internal position of the battery shell body 2 at the position of the detection area. After the negative pressure suction pipe 31 sucks the bottom pad body 3 under negative pressure, under the driving action of the three-axis driving platform 27, the bottom pad body 3 sucked under negative pressure passes through the detection areas of the visual detection probe 42 and the third ultrasonic detection probe 43 in turn, and then performs bottom Visual inspection and ultrasonic flaw detection of the pad body 3 are carried out to detect the yield of the bottom pad body 3 to be assembled. The unloading area is used for loading and unloading of the battery shell body 2, and the assembly area is used for loading and assembling of the bottom pad body 3. The position setting of the two coupling shafts 13 allows the positioning shaft 15 to rotate at a set speed when it is in the detection area and the transfer area, and the positioning shaft 15 can remain stationary when it is in the assembly area and the loading and unloading area. The rotation of the positioning shaft 15 in the detection area and the transfer area allows the battery shell body 2 to be inspected in all directions on the one hand, and the assembled bottom pad body 3 can be accurately positioned in the battery shell body 2 on the other hand. The stationary setting of the positioning shaft 15 in the assembly area and the loading and unloading area facilitates the rapid and accurate assembly of the bottom pad body 3.

[0079] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0080] The above-described embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present application. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the attached claims.

Claims

1. A battery case assembly machine with a bottom pad positioning function, comprising a frame (1), characterized in that: Also includes: Two conveying mechanisms, the two conveying mechanisms respectively conveying the battery shell body (2) and the base pad body (3); An inner frame (4) is mounted on the frame (1), a transfer frame (5) is rotatably sleeved on the inner frame (4), a gear cylinder (6) is rotatably sleeved on the transfer frame (5), a driving gear ring (7) is mounted on the gear cylinder (6), and the transfer frame (5) and the gear cylinder (6) are respectively driven by a motor (8); A group of battery shell assembly components distributed in a circumferential array and fixed on a transfer frame (5); An air clamp component, wherein the battery housing assembly component is pressure controlled by the air clamp component; A three-axis driving platform (27) is mounted on the frame (1), and a bottom pad material moving mechanism is drivingly connected to the three-axis driving platform (27); A dual-axis driving platform (35) is mounted on the frame (1), and a battery shell material moving mechanism is drivingly connected to the dual-axis driving platform (35); A detection component is installed on the frame (1) and detects the battery shell and the bottom pad; The linkage component cooperates with the active gear ring (7) and the battery shell assembly component.

2. A battery shell assembly machine with a bottom pad positioning function according to claim 1, characterized in that: The conveying mechanism comprises an annular conveyor belt (9) and a conveying frame (10) fixed on the frame (1); the inner wall of the conveying frame (10) is rotatably connected to two conveying rollers, and the two conveying rollers are both connected to the annular conveyor belt (9) in a transmission manner; a conveying motor (8) is installed on the side of the conveying frame (10); the output shaft end of the conveying motor (8) is fixedly connected to one of the conveying rollers; partitions (11) are equidistantly installed on the annular conveyor belt (9); a stacking area is fixedly arranged between two of the partitions (11); a stacking disk (12) is installed on the stacking area; a group of regularly distributed first stacking grooves for stacking the battery shell body (2) are opened in the stacking disk (12) of one of the conveying mechanisms; a group of regularly distributed second stacking grooves for stacking the base pad body (3) are opened in the stacking disk (12) of the other conveying mechanism.

3. A battery shell assembly machine with a bottom pad positioning function according to claim 1, characterized in that: The frame (1) is provided with a loading and unloading area, a detection area, an assembly area and a transfer area in sequence in a clockwise direction. The two conveying mechanisms correspond to the positions of the loading and unloading area and the assembly area respectively. The frame (1) is provided with a built-in single chip microcomputer.

4. A battery shell assembly machine with a bottom pad positioning function according to claim 3, characterized in that: The linkage component comprises two coupling shafts (13), both of which are rotatably connected to the frame (1), and each of which is fixedly mounted with a linkage gear (14) which is transmission-connected to the active gear ring (7), and the positions of the two coupling shafts (13) respectively correspond to the positions of the detection zone and the transfer zone.

5. A battery shell assembly machine with a bottom pad positioning function according to claim 4, characterized in that: The battery shell assembly component comprises a positioning shaft (15) rotatably connected to the indexing frame (5), a driven gear (16) which is fixedly mounted on the positioning shaft (15) and is in transmission cooperation with the linkage gear (14), a clamping sleeve (17) is fixedly mounted on the positioning shaft (15), a receiving groove with a top opening fixedly provided in the clamping sleeve (17) and used to receive the battery shell body (2), an annular clamping capsule (18) is mounted in the receiving groove, a ventilation flow channel (19) is fixedly provided in the positioning shaft (15), an inner cavity of the annular clamping capsule (18) is connected to the ventilation flow channel (19), an outer guide tube (20) is rotatably connected to the positioning shaft (15), an inner cavity of the outer guide tube (20) is connected to the ventilation flow channel (19), and the outer guide tube (20) is connected to the air clamp component.

6. A battery shell assembly machine with a bottom pad positioning function according to claim 5, characterized in that: The air clamp component comprises a first air pump (21) fixed on the frame (1), a pressure control channel (22) and a pressure relief chamber (23) provided on the inner frame (4), and an inner guide tube (24) rotatably connected to the inner frame (4); the inner frame (4) is provided with two valve holes (26), the two valve holes (26) are respectively connected to the pressure control channel (22) and the pressure relief chamber (23); the inner frame (4) is also provided with a pressure relief hole (25) connected to the pressure relief chamber (23); an inner guide tube (24) is rotatably connected to the inner frame (4) at a position corresponding to the outer side of the valve hole (26); a conduit is connected between the inner guide tube (24) and the outer guide tube (20); a port of the first air pump (21) is connected to the pressure control channel (22); a first air pressure probe electrically connected to the single chip microcomputer is fixedly provided at the connection point between the first air pump (21) and the pressure control channel (22).

7. A battery shell assembly machine with a bottom pad positioning function according to claim 6, characterized in that: The bottom pad material shifting mechanism comprises a material shifting seat (28) which is transmission-connected to the three-axis driving platform (27); a negative pressure pump (29) and a probe column (30) are respectively fixedly mounted on the material shifting seat (28); a negative pressure port of the negative pressure pump (29) is connected to a negative pressure suction pipe (31); a positioning column (32) is mounted at the center of the bottom surface of the negative pressure suction pipe (31); a group of negative pressure suction holes (33) are opened on the bottom surface of the negative pressure suction pipe (31); each of the negative pressure suction holes (33) is connected to the inner cavity of the negative pressure suction pipe (31); a second air pressure probe electrically connected to the single chip microcomputer is fixedly mounted at the connection point between the negative pressure pump (29) and the negative pressure suction pipe (31); and a first ultrasonic detection probe (34) for ultrasonic detection of the battery shell body (2) is mounted on the probe column (30).

8. The battery shell assembly machine with bottom pad positioning function according to claim 1, characterized in that: The battery shell material transfer mechanism comprises a clamping platform (36) which is transmission-connected to a dual-axis driving platform (35); a second air pump (37) is mounted on the clamping platform (36); a clamping tube (38) is mounted on the clamping platform (36); a clamping channel is fixedly provided on the clamping tube (38); the second air pump (37) is connected to the clamping channel; a group of regularly distributed inner clamping capsules (39) are mounted on the clamping tube (38); and the inner cavity of the inner clamping capsule (39) is connected to the clamping channel.

9. A battery shell assembly machine with a bottom pad positioning function according to claim 3, characterized in that: The detection component comprises a detection column (40) mounted on the inner frame (4), a second ultrasonic detection probe (41) arranged facing the loading and unloading area is mounted on the detection column (40), and a visual detection probe (42) and a third ultrasonic detection probe (43) are fixedly mounted on the top surface of the detection column (40).

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