Double-station feeding press-in device

Abstract

This invention provides a dual-station feeding and pressing device, comprising: a first feeding and pressing mechanism, a second feeding and pressing mechanism, and a conveyor line; the first feeding and pressing mechanism and the second feeding and pressing mechanism are arranged side by side, and the conveyor line is located on one side between the first feeding and pressing mechanism and the second feeding and pressing mechanism. The dual-station feeding and pressing device of this invention achieves continuous pressing between the lower iron core and the rotating shaft by setting the first feeding and pressing mechanism, and achieves continuous pressing between the intermediate plate, the upper iron core, and the rotating shaft by setting the second feeding and pressing mechanism.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and in particular to a dual-station feeding and pressing device for assembling the iron core and shaft of a motor. Background Technology

[0002] An electric motor is an electromagnetic device that converts or transmits electrical energy based on the law of electromagnetic induction. Its main function is to generate driving torque to power electrical appliances or various mechanical equipment. An electric motor generally consists of a stator, a rotor, and other accessories. When the motor is working, the stator generates a rotating magnetic field, and the rotor is placed in this rotating magnetic field. When the coils wound around the rotor are energized, they acquire a rotational torque under the influence of the rotating magnetic field, thereby driving the rotor to rotate.

[0003] To facilitate rotor pivoting and coil winding, the rotor includes structures such as a shaft and iron cores. The shaft serves as the rotor's pivot point. Multiple iron cores are stacked sequentially on the shaft and serve as the winding carrier for the coils. Therefore, it is necessary to propose further solutions for automating the assembly of the iron cores and shaft. Summary of the Invention

[0004] The present invention aims to provide a dual-station feeding and pressing device to overcome the shortcomings of the prior art.

[0005] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows:

[0006] A dual-station feeding and pressing device includes: a first feeding and pressing mechanism, a second feeding and pressing mechanism, and a conveyor line;

[0007] The first feeding and pressing mechanism and the second feeding and pressing mechanism are arranged side by side, and the conveying line is located on one side between the first feeding and pressing mechanism and the second feeding and pressing mechanism;

[0008] The first feeding and pressing mechanism includes: a rotating shaft feeding conveyor line, a first handling robot, a first pressing unit, and a first iron core feeding conveyor line;

[0009] The first pressing unit is located between the rotating shaft feeding conveyor line and the first iron core feeding conveyor line, and the first handling robot is located in the area enclosed by the rotating shaft feeding conveyor line, the first pressing unit and the first iron core feeding conveyor line;

[0010] The rotating shaft conveyed by the rotating shaft feeding conveyor line and the lower iron core conveyed by the first iron core feeding conveyor line are transferred by the first handling robot to the first pressing unit for pressing, forming an intermediate product in which the lower iron core and the rotating shaft are assembled together.

[0011] The second feeding and pressing mechanism includes: a middle plate feeding mechanism, a second handling robot, a second pressing unit, and a second iron core feeding conveyor line;

[0012] The second iron core feeding conveyor line is arranged side by side with the first iron core feeding conveyor line. The intermediate plate feeding mechanism and the second pressing unit are located between the second iron core feeding conveyor line and the first iron core feeding conveyor line. The second handling robot is located in the area enclosed by the first iron core feeding conveyor line, the intermediate plate feeding mechanism, the second pressing unit and the second iron core feeding conveyor line.

[0013] The intermediate products conveyed by the conveyor line, the intermediate plates conveyed by the intermediate plate feeding mechanism, and the upper iron cores conveyed by the second iron core feeding conveyor line are transferred by the second handling robot to the second pressing unit for pressing, forming a finished product with the upper iron core, intermediate plate, and lower iron core sequentially mounted on the rotating shaft.

[0014] As an improvement to the dual-station feeding and pressing device of the present invention, the rotating shaft feeding conveyor line includes: a driving mechanism, a transmission mechanism, and several first fixtures;

[0015] The drive mechanism includes: a drive motor and a divider;

[0016] The transmission mechanism includes a chain and several sprockets; the several sprockets are respectively arranged at the upstream end and the downstream end according to the conveying direction, and each end is provided with two sets of sprockets arranged vertically, and the sprockets are linked together by the chain; the drive motor is connected to a sprocket through the divider.

[0017] A plurality of first fixtures are spaced apart on the chain and move cyclically with the chain; each first fixture includes: a first fixture body and two grippers disposed on the first fixture body, wherein a clamping space is formed between the two grippers.

[0018] As an improvement to the dual-station feeding and pressing device of the present invention, the transmission mechanism is set into two sets, with the sprockets of the two sets of transmission mechanisms arranged side by side, and any two sprockets arranged opposite each other being linked by a transmission shaft.

[0019] Several support plates are connected to the chains of the two sets of transmission mechanisms. Two first fixtures arranged side by side are connected to any support plate. Each first fixture moves in a cycle with the chain through the support plate it is on.

[0020] As an improvement to the dual-station loading and pressing device of the present invention, both the first and second handling robots include: a dual-gripper cylinder and a robot body; the dual-gripper cylinder includes: a first gripper and a second gripper driven by the same cylinder, and the first gripper and the second gripper are centrally symmetrically arranged.

[0021] For the first handling robot, the dual-gripper cylinder is driven by the robot body and reciprocates between the rotating shaft feeding conveyor line and the first pressing unit, and between the first iron core feeding conveyor line and the first pressing unit.

[0022] For the second handling robot, the dual-gripper cylinder is driven by the robot body and reciprocates between the conveyor line and the second pressing unit, and between the second iron core feeding conveyor line and the second pressing unit.

[0023] As an improvement to the dual-station feeding and pressing device of the present invention, both the first pressing unit and the second pressing unit include: an upper pressing fixture, a lower pressing fixture, a first servo press and a second servo press.

[0024] The upper pressing fixture includes a fixed sleeve and a pressure plate; the fixed sleeve, pressure plate and the second servo press form an integral unit, which is driven by the first servo press to move up and down relative to the lower pressing mechanism.

[0025] The fixed sleeve is vertically arranged, with one end connected to the first servo press. The pressure plate is driven by the second servo press and moves up and down within the fixed sleeve.

[0026] The lower pressing fixture is located below the upper pressing fixture and can be press-fitted with the upper pressing fixture; the lower pressing fixture includes a gripper, which is fixed on a base. When the upper pressing mechanism and the lower pressing mechanism are press-fitted, the fixed sleeve is pressed onto the base, and the gripper is housed in the fixed sleeve. The pressure plate is driven to move up and down relative to the gripper by the second servo press.

[0027] As an improvement to the dual-station feeding and pressing device of the present invention, the first pressing unit further includes: a fixed seat and a sliding seat;

[0028] The first servo press is mounted on the fixed base, and its output end is connected to the sliding base through a connecting plate. The fixed sleeve, the pressure plate and the second servo press are integrated on the sliding base. A pressure sensor is also provided between the connecting plate and the sliding base. The fixed sleeve has grooves on both sides, and the two ends of the fixed plate extend out of the grooves and are respectively connected to the corresponding second servo press for transmission.

[0029] As an improvement to the dual-station feeding and pressing device of the present invention, both the first iron core feeding conveyor line and the second iron core feeding conveyor line include: a feeding conveyor line body, a detection mechanism and a handling mechanism.

[0030] The main body of the feeding conveyor line includes: a drive unit, a transmission unit, and several second fixtures;

[0031] The transmission unit includes: a chain and several sprockets, the chain is mounted on the several sprockets, the drive unit is connected to a sprocket for transmission, and several second fixtures are spaced apart on the chain and move cyclically with the chain;

[0032] The detection mechanism includes a vision detection unit, which is located downstream of the main body of the feeding conveyor line, and the lens of the vision detection unit is set downwards.

[0033] The conveying mechanism includes a first conveying unit and a second conveying unit. The first conveying unit is located on one side of the feeding conveyor body. The iron core conveyed by the feeding conveyor body is rotated and unloaded through the first conveying unit. The second conveying unit receives the rotated and unloaded iron core and moves it horizontally to below the lens.

[0034] As an improvement to the dual-station feeding and pressing device of the present invention, the plurality of sprockets are respectively arranged at the upstream end and the downstream end according to the conveying direction, and each end is provided with two sets of sprockets arranged vertically, and the sprockets are linked together by the chain; the driving unit includes: a driving motor and a divider; the driving motor is connected to a sprocket through the divider.

[0035] As an improvement to the dual-station feeding and pressing device of the present invention, the transmission unit is configured as two sets, with the sprockets of the two sets of transmission units arranged side by side, and any two sprockets arranged opposite each other being linked by a transmission shaft.

[0036] Several carrier plates are connected to the chains of the two sets of transmission units. Multiple second fixtures are arranged side by side on any carrier plate. The second fixtures are provided with protruding claws suitable for iron core assembly. Each second fixture moves in a cycle with the chain through the carrier plate it is on.

[0037] As an improvement to the dual-station feeding and pressing device of the present invention, the first conveying unit includes: a gripper, an X-axis linear motor, a Y-axis linear motor and a Z-axis linear motor;

[0038] The gripper is driven by the Z-axis linear motor to perform Z-axis lifting motion; the gripper and the Z-axis linear motor as a whole are driven by the Y-axis linear motor to perform Y-axis translational motion; the gripper, the Y-axis linear motor, and the Z-axis linear motor as a whole are driven by the X-axis linear motor to perform X-axis translational motion.

[0039] The second conveying unit includes a carrier tray and a linear motor; the carrier tray is driven by the linear motor and reciprocates in a direction perpendicular to the feeding conveyor line.

[0040] As an improvement to the dual-station feeding and pressing device of the present invention, the intermediate plate feeding mechanism includes: a feeding turntable and a translation unit;

[0041] The feeding turntable is provided with columns suitable for stacking and assembling intermediate plates. The columns are arranged in multiple positions and distributed circumferentially on the turntable. The translation unit includes: an adsorption head, a Z-axis linear motor, and a Y-axis linear motor.

[0042] The adsorption head is connected to the output end of the Z-axis linear motor. One end of the Y-axis linear motor extends above the feeding turntable, and the other end extends above the downstream end of the rotating shaft feeding conveyor line. The adsorption head and the Z-axis linear motor together are driven by the Y-axis linear motor to reciprocate between the feeding turntable and the downstream end of the rotating shaft feeding conveyor line.

[0043] Compared with the prior art, the beneficial effects of the present invention are: the dual-station feeding and pressing device of the present invention realizes continuous pressing between the lower iron core and the rotating shaft by setting a first feeding and pressing mechanism, and realizes continuous pressing between the intermediate plate, the upper iron core and the rotating shaft by setting a second feeding and pressing mechanism.

[0044] Specifically, in the rotary shaft feeding conveyor line of the present invention, the rotary shaft is clamped and fixed by a fixture that is similar in shape to the rotary shaft. At the same time, the drive mechanism drives the chain and sprocket to move, which in turn drives the fixture on it to perform cyclic conveying motion, thereby realizing continuous feeding of the rotary shaft.

[0045] In the iron core feeding conveyor line of this invention, the iron core is fixed by setting a chain with a fixture. A drive unit drives the chain and sprocket to move, which in turn drives the fixture to perform a cyclic conveying motion, thereby realizing continuous feeding of the rotating shaft. In addition, this invention also sets up a detection mechanism and a handling mechanism to realize online continuous detection of the iron core, which helps to ensure that the fed iron core meets the pressing requirements.

[0046] In the pressing unit of the present invention, the iron cores that cooperate with the rotating shaft are kept coaxial by the fixing sleeve, and the iron cores that are kept coaxial can be pressed into the rotating shaft synchronously by the pressure plate. Attached Figure Description

[0047] To more clearly illustrate the technical solutions in the embodiments of the present invention 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 the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0048] Figure 1 This is a top view of an embodiment of the pressing device of the present invention;

[0049] Figure 2 for Figure 1 Front view of the transfer shaft loading conveyor line;

[0050] Figure 3 This is a top view of one embodiment of the first fixture in a rotating shaft feeding conveyor line;

[0051] Figure 4 A top view of another embodiment of the first fixture in a rotating shaft feeding conveyor line;

[0052] Figure 5 A three-dimensional schematic diagram of the transmission mechanism in a rotating shaft feeding conveyor line;

[0053] Figure 6 for Figure 1 A 3D schematic diagram of the transfer shaft feeding conveyor line;

[0054] Figure 7 for Figure 1 A three-dimensional schematic diagram of the first iron core feeding conveyor line in China;

[0055] Figure 8 for Figure 7 The top view of the first iron core feeding conveyor line shown;

[0056] Figure 9 for Figure 7 The image shows the front view of the first iron core feeding conveyor line.

[0057] Figure 10 for Figure 1 A 3D schematic diagram of the first material handling robot in China;

[0058] Figure 11 for Figure 10 Top view of a double-claw cylinder;

[0059] Figure 12 for Figure 1 Main view of the first press-in unit;

[0060] Figure 13 for Figure 12 A three-dimensional schematic diagram of the first pressing unit shown;

[0061] Figure 14 for Figure 1 A three-dimensional schematic diagram of the feeding turntable in the intermediate plate feeding mechanism shown;

[0062] Figure 15 for Figure 1 A three-dimensional schematic diagram of the translation unit in the intermediate plate loading mechanism shown. Detailed Implementation

[0063] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0064] One embodiment of the present invention provides a dual-station feeding and pressing device, which can realize the continuous assembly of the iron core and the rotating shaft in the motor.

[0065] like Figure 1 As shown, the pressing device in this embodiment includes: a first feeding pressing mechanism 10, a second feeding pressing mechanism 20, and a conveying line 30.

[0066] The first feeding and pressing mechanism 10 and the second feeding and pressing mechanism 20 are arranged side by side. The conveyor line 30 is located between the first feeding and pressing mechanism 10 and the second feeding and pressing mechanism 20, and conveys the intermediate products output by the first feeding and pressing mechanism 10 to the second feeding and pressing mechanism 20.

[0067] The first feeding and pressing mechanism 10 is used to realize continuous pressing between the lower iron core and the rotating shaft. It includes: a rotating shaft feeding conveyor line 11, a first handling robot 12, a first pressing unit 13, and a first iron core feeding conveyor line 14.

[0068] The first pressing unit 13 is located between the rotating shaft feeding conveyor line 11 and the first iron core feeding conveyor line 14, and the first handling robot 12 is located in the area enclosed by the rotating shaft feeding conveyor line 11, the first pressing unit 13, and the first iron core feeding conveyor line 14. Thus, the rotating shaft conveyed by the rotating shaft feeding conveyor line 11 and the lower iron core conveyed by the first iron core feeding conveyor line 14 are rotated by the first handling robot 12 to the first pressing unit 13 for pressing, forming an intermediate product in which the lower iron core and the rotating shaft are assembled together.

[0069] like Figure 2 As shown, the rotating shaft feeding conveyor line 11 includes: a drive mechanism 111, a transmission mechanism 112, and several first fixtures 113.

[0070] The drive mechanism 111 provides the power required for the operation of the rotary shaft feeding conveyor line 11 in this embodiment. The drive mechanism 111 includes a drive motor 114 and a divider 115. The drive motor 114 drives the transmission mechanism 112 via the divider 115. Thus, by providing the divider 115, the drive motor 114 can drive the transmission mechanism 112 to move according to the required unit distance.

[0071] The transmission mechanism 112 includes a chain 116 and several sprockets 117. The sprockets 117 are respectively arranged at the upstream and downstream ends according to the conveying direction, with two sets of sprockets 117 arranged vertically at each end. The sprockets 117 are linked together by the chain 116. The drive motor 114 is connected to the sprockets 117 via a divider 115, a transmission wheel 1141, and a transmission belt 1142.

[0072] Thus, when the drive motor 114 is operating, it can drive the chain 116 to circulate through the sprocket 117 connected to it. In one embodiment, the drive motor 114 is arranged vertically and is connected to the sprocket 117 through a divider 115 coaxially arranged with the sprocket 117. In this way, the drive motor 114 can drive the chain 116 to move according to the required unit distance to achieve precise feeding of the shaft.

[0073] like Figure 3 , 4 As shown, the first fixture 113 is used to clamp and fix the rotating shaft. Specifically, a plurality of first fixtures 113 are spaced apart on the chain 116 and move cyclically with the chain 116. Each first fixture 113 includes: a first fixture body 1131 and two grippers 1132 disposed on the first fixture body 1131, forming a clamping space between the two grippers 1132. In this way, the lower end of the rotating shaft to be loaded can be clamped between the two grippers 1132 and conveyed to the loading position with the cyclical movement of the chain 116.

[0074] The clamping surfaces of the two grippers 1132 are designed to mimic the contour surface of the lower end of the rotating shaft. In one embodiment, the clamping surface of any gripper 1132 includes an arcuate surface 1133, or includes an arcuate surface 1133 and a stepped surface 1134 located below the arcuate surface 1133.

[0075] like Figure 5 As shown, to facilitate the connection between the chain 116 and the first fixture 113, the transmission mechanism 112 is configured as two sets, with the sprockets 117 of the two sets of transmission mechanisms 112 arranged side by side. Any two sprockets 117 arranged opposite each other are linked by a transmission shaft 118. At the same time, the rotating shaft feeding conveyor line 11 also includes two opposing vertical plates 119, with each transmission shaft 118 pivotally connected between the two vertical plates 119.

[0076] At this time, several support plates 120 are connected to the chains 116 of the two sets of transmission mechanisms 112. The first fixture 113 is provided on any support plate 120, so that each first fixture 113 moves cyclically with the chain 116 through the support plate 120 it is on. In order to transport two shafts when the chain 116 moves a unit distance, two first fixtures 113 are connected to each support plate 120 and arranged side by side.

[0077] like Figure 6 As shown, the rotating shaft feeding conveyor line 11 can be configured as multiple lines as needed, thereby cooperating with multiple pressing units to provide rotating shafts to be assembled. In one embodiment, when two rotating shaft feeding conveyor lines 11 are configured, the upright plates 119 of the first rotating shaft feeding conveyor line 11 and the second rotating shaft feeding conveyor line 11 are fixed to a machine base 110 on both sides by columns.

[0078] The machine base 110 includes a frame 1101 and a table 1102 disposed on the frame 1101. In this embodiment, in order to reasonably arrange the drive mechanism 111 and the transmission mechanism 112, the transmission mechanism 112 is integrated above the table 1102, and the drive mechanism 111 is integrated below the table 1102. In this way, the drive mechanism 111 does not occupy the space above the table 1102, which is conducive to the side-by-side arrangement of the two rotating shaft feeding conveyor lines 11.

[0079] like Figure 7 As shown, the first iron core feeding conveyor line 14 includes: a feeding conveyor line body 141, a detection mechanism 142, and a handling mechanism 143. The feeding conveyor line body 141 includes: a drive unit 144, a transmission unit 145, and several second fixtures 146.

[0080] The drive unit 144 provides the power required for the operation of the feeding conveyor body 141 in this embodiment. The drive unit 144 includes a drive motor 147 and a divider 148. The drive motor 147 drives the transmission unit 145 via the divider 148. Thus, by providing the divider 148, the drive motor 147 can drive the transmission unit 145 to move according to the required unit distance.

[0081] like Figure 8 As shown, the transmission unit 145 includes a chain 149 and a plurality of sprockets 150. The chain 149 is mounted on the sprockets 150. A drive unit 144 is connected to one of the sprockets 150. A plurality of second fixtures 146 are spaced apart on the chain 149 and circulate with the chain 149. Thus, the iron core can be fixed by providing the chain 149 with the second fixtures 146. Specifically, to facilitate the fixing of the iron core, the second fixtures 146 have a pair of protruding claws suitable for mounting the iron core.

[0082] In one embodiment, a plurality of sprockets 150 are respectively arranged at the upstream and downstream ends according to the conveying direction, and each end is provided with two sets of sprockets 150 arranged vertically, and the sprockets 150 are linked together by a chain 149. At this time, the drive motor 147 is connected to one of the sprockets 150 through the divider 148, the transmission wheel and the transmission belt.

[0083] Thus, when the drive motor 147 operates, it can drive the chain 149 to circulate through the sprocket 150 connected to it. In one embodiment, the drive motor 147 is arranged vertically and is connected to the sprocket 150 through a divider 148 coaxially arranged with it. Therefore, the drive motor 147 can drive the chain 149 to move a required unit distance to achieve precise feeding of the iron core.

[0084] To facilitate the connection between the chain 149 and the second fixture 146, the transmission unit 145 is configured as two sets, with the sprockets 150 of the two sets of transmission units 145 arranged side by side. Any two sprockets 150 arranged opposite each other are linked by a transmission shaft 151. At the same time, the first iron core feeding conveyor line 14 also includes two opposing vertical plates 152, with each transmission shaft 151 pivotally connected between the two vertical plates 152.

[0085] At this time, several carrier plates 153 are connected to the chains 149 of the two sets of transmission units 145. Each carrier plate 153 is provided with the aforementioned second fixture 146, so that each second fixture 146 moves cyclically with the chain 149 through its respective carrier plate 153. In order to transport multiple iron cores when the chain 149 moves a unit distance, multiple second fixtures 146 suitable for iron core assembly are provided on each carrier plate 153.

[0086] The inspection mechanism 142 is used to achieve continuous online inspection of the iron core, which helps ensure that the iron core being fed meets the pressing requirements. Specifically, the inspection mechanism 142 includes a vision inspection unit located downstream of the feeding conveyor body 141, with the lens of the vision inspection unit facing downwards. In one embodiment, the vision inspection unit is a CCD camera, which is mounted downstream of the feeding conveyor body 141 via a bracket. Thus, when the iron core conveyed to the downstream end is rotated to the area below the vision inspection unit, it can be photographed and inspected by the CCD camera to determine whether there are any defects or flaws in the appearance of the iron core to be pressed.

[0087] like Figure 7 , 9 As shown, the conveying mechanism 143 is used to transfer the iron core conveyed by the feeding conveyor body 141 to the area below the vision inspection unit. The conveying mechanism 143 includes: a first conveying unit 1431 and a second conveying unit 1432.

[0088] The first handling unit 1431 is located on one side of the feeding conveyor line body 141. The iron cores conveyed by the feeding conveyor line body 141 are unloaded through the first handling unit 1431. The first handling unit 1431 includes: a gripper 1433, an X-axis linear motor 1434, a Y-axis linear motor 1435, and a Z-axis linear motor 1436. The gripper 1433 is driven by a cylinder to grab the iron cores conveyed to the downstream end, and the unloading of the iron cores is realized under the drive of the XYZ axis linear motors 1436.

[0089] Specifically, the gripper 1433 is driven by the Z-axis linear motor 1436 to perform Z-axis lifting motion; the gripper 1433 and the Z-axis linear motor 1436 as a whole are driven by the Y-axis linear motor 1435 to perform Y-axis translational motion; the gripper 1433, the Y-axis linear motor 1435 and the Z-axis linear motor 1436 as a whole are driven by the X-axis linear motor 1434 to perform X-axis translational motion.

[0090] The second transport unit 1432 receives the unloaded iron cores and moves them horizontally to below the lens. This second transport unit 1432 is arranged perpendicular to the main body 141 of the loading conveyor line. Specifically, the second transport unit 1432 includes a carrier tray 1437 and a linear motor 1438. The carrier tray 1437 is driven by the linear motor 1438 and reciprocates between the iron core unloading position and the iron core detection position, thereby continuously transporting the unloaded iron cores to below the vision inspection unit.

[0091] like Figure 10 , 11 As shown, the first handling robot 12 includes: a dual-gripper cylinder 121 and a robot body 122.

[0092] The dual-gripper cylinder 121 is driven by the robot body 122 and reciprocates between the rotating shaft feeding conveyor line 11 and the first pressing unit 13, and between the rotating shaft feeding conveyor line 11 and the first iron core feeding conveyor line 14. The robot body 122 can also drive the dual-gripper cylinder 121 to rotate.

[0093] The dual-gripper cylinder 121 includes a first gripper 123 and a second gripper 124 driven by the same cylinder, with the first gripper 123 and the second gripper 124 arranged symmetrically at the center. The dual-gripper cylinder 121 can be driven by the robot body 122 to the rotating shaft feeding conveyor line 11, where its first gripper 123 grips the rotating shaft and rotates it to the first pressing unit 13. Furthermore, the dual-gripper cylinder 121 can also be driven by the robot body 122 to the first iron core feeding conveyor line 14 and rotate 180°, where its second gripper 124 grips the iron core and rotates it to the first pressing unit 13, thereby performing a pressing fit with the rotating shaft.

[0094] like Figure 12 , 13 As shown, the first pressing unit 13 includes: an upper pressing fixture 131, a lower pressing fixture 132, a first servo press 133, and a second servo press 134.

[0095] The lower pressure fixture 132 is mounted on a machine base, and the upper pressure fixture 131 is located above the lower pressure fixture 132. The first servo press 133 and the second servo press 134 can drive the upper pressure fixture 131 to perform pressing action, so that the upper pressure fixture 131 can cooperate with the lower pressure fixture 132 to realize the pressing of the shaft and the iron core.

[0096] The pressing fixture 131 includes a fixed sleeve 135 and a pressure plate 136. The fixed sleeve 135, driven by a first servo press 133, presses the iron core to keep it fixed relative to the rotating shaft to be assembled. The pressure plate 136, driven by a second servo press 134, moves up and down within the fixed sleeve 135. Thus, after the iron core to be pressed in is fixed by the fixed sleeve 135, it can be further pressed onto the rotating shaft by the pressure plate 136.

[0097] Correspondingly, the fixed sleeve 135, the pressure plate 136, and the second servo press 134 form a whole, which is driven by the first servo press 133 to move up and down relative to the pressing fixture 132. The fixed sleeve 135 faces the pressing fixture 132 and is set vertically, with one end of it being connected to the first servo press 133 for transmission.

[0098] To facilitate the installation and fixation of the fixing sleeve 135, pressure plate 136, and second servo press 134, the first pressing unit 13 further includes a fixed base 137 and a sliding base 138. In this case, the first servo press 133 is mounted on the fixed base 137, and its output end is connected to the sliding base 138. Thus, the sliding base 138 can slide up and down relative to the fixed base 137.

[0099] To facilitate the stable movement of the sliding seat 138, the first pressing unit 13 also includes a guide mechanism. This guide mechanism includes four guide posts 139, which are mounted on the machine base where the pressing fixture 132 is located. A fixed seat 137 is installed at the top of the four guide posts 139, and the sliding seat 138 moves up and down along the guide posts 139 via four bushings.

[0100] The fixed sleeve 135, pressure plate 136, and second servo press 134 are integrally integrated onto the sliding base 138. Specifically, the fixed sleeve 135 is located below the sliding base 138, with its upper end connected to the bottom surface of the sliding base 138. The second servo press 134 is mounted on the upper end of the sliding base 138, with its output end extending below the sliding base 138. Correspondingly, the fixed base 137 has a slot for accommodating the second servo press 134.

[0101] To facilitate the connection between the pressure plate 136 and the second servo press 134, grooves are provided on both sides of the fixed sleeve 135. The two ends of the fixed plate extend from these grooves and are respectively connected to the corresponding second servo press 134. In this case, two sets of second servo presses 134 are configured, symmetrically distributed on both sides of the first servo press 133. Thus, when the two sets of second servo presses 134 are working, they can drive the pressure plate 136 to press into the fixed sleeve 135, thereby assembling the iron core and the rotating shaft. Furthermore, the use of two sets of second servo presses 134 provides a greater pressing force and ensures better stability during the movement of the pressure plate 136.

[0102] To accommodate the iron core, the fixing sleeve 135 has openwork on both sides. The first pressing unit 13 also includes a clamping mechanism 140. This clamping mechanism 140 is located outside the pressing end of the fixing sleeve 135 and can move synchronously up and down with the fixing sleeve 135. The clamping mechanism 140 includes a gripper cylinder, whose gripper arms extend to the openwork areas on both sides of the pressing end. Thus, the clamping mechanism 140 can further radially limit the iron core fixed by the fixing sleeve 135, thereby facilitating the assembly of each iron core with the rotating shaft.

[0103] To detect the force applied during the pressing of the upper pressure fixture 131, the output end of the first servo press 133 is connected to the sliding seat 138 via a connecting plate. A pressure sensor 1381 is also installed between the connecting plate and the sliding seat 138. Thus, by installing the pressure sensor 1381, the pressure value during the pressing of the upper pressure fixture 131 can be fed back in real time. In one embodiment, four pressure sensors 1381 are used, positioned at the four corners between the connecting plate and the sliding seat 138.

[0104] The lower pressure fixture 132 is located below the upper pressure fixture 131 and can be press-fitted with the upper pressure fixture 131. Specifically, the lower pressure fixture 132 includes a gripper fixed to a base. The gripper has a groove adapted to the shaft being gripped, through which the lower end of the shaft can be clamped and fixed.

[0105] When the upper pressure fixture 131 and the lower pressure fixture 132 are press-fitted together, the fixed sleeve 135 is press-fitted onto the base, and the grippers are housed within the fixed sleeve 135. At this time, the rotating shaft, which is held and fixed by the grippers, is coaxially located within the fixed sleeve 135, and the iron core is pre-assembled on the upper end of the rotating shaft within the fixed sleeve 135. Further, the pressure plate 136 is driven relative to the grippers by the second servo press 134 to perform a press-fitting action, so that the iron core is further fitted onto the rotating shaft, thereby completing the assembly between the iron core and the rotating shaft.

[0106] like Figure 1As shown, the second feeding and pressing mechanism 20 is used to realize continuous pressing between the upper iron core and the intermediate product. It includes: an intermediate plate feeding mechanism 21, a second handling robot 22, a second pressing unit 23, and a second iron core feeding conveyor line 24.

[0107] The second iron core feeding conveyor line 24 is arranged side by side with the first iron core feeding conveyor line 14. The intermediate plate feeding mechanism 21 and the second pressing unit 23 are located between the second iron core feeding conveyor line 24 and the first iron core feeding conveyor line 14. The second handling robot 22 is located in the area enclosed by the first iron core feeding conveyor line 14, the intermediate plate feeding mechanism 21, the second pressing unit 23 and the second iron core feeding conveyor line 24.

[0108] Thus, the intermediate products conveyed by the conveyor line 30, the intermediate plates conveyed by the intermediate plate feeding mechanism 21, and the upper iron cores conveyed by the second iron core feeding conveyor line 24 are transferred by the second handling robot 22 to the second pressing unit 23 for pressing, forming a finished product with the upper iron core, intermediate plate, and lower iron core sequentially mounted on the rotating shaft.

[0109] like Figure 14 , 15 As shown, the intermediate plate loading mechanism 21 includes: a loading turntable 211 and a translation unit 212.

[0110] The loading turntable 211 is used to provide intermediate plates to be assembled. Multiple uprights 213 are arranged on the turntable surface to accommodate the stacking of the intermediate plates. Thus, the intermediate plates can be rotated to the loading position by the rotation of the turntable.

[0111] The translation unit 212 includes: an adsorption head 214, a Z-axis linear motor 215, and a Y-axis linear motor 216.

[0112] The adsorption head 214 is connected to the output end of the Z-axis linear motor 215, and one end of the Y-axis linear motor 216 extends above the loading turntable 211, while the other end extends above the downstream end of the rotating shaft loading conveyor line 11. The adsorption head 214 and the Z-axis linear motor 215 together are driven by the Y-axis linear motor 216 to reciprocate between the loading turntable 211 and the downstream end of the rotating shaft loading conveyor line 11.

[0113] Thus, the Z-axis linear motor 215 drives the suction head 214 to descend, picking up the intermediate plate that has been transferred to the loading position. Driven by the Y-axis linear motor 216, the picked-up intermediate plate is further transferred to the conveyor line 30. At this time, the suction head 214 releases the picked-up intermediate plate, causing it to fall and be fitted onto the rotating shaft of the intermediate product.

[0114] The second handling robot 22 has the same structure as the first handling robot 12, including a dual-gripper cylinder and a robot body. The dual-gripper cylinder is driven by the robot body to reciprocate between the conveyor line 30 and the second pressing unit 23, and between the second iron core feeding conveyor line 24 and the second pressing unit 23. The robot body can also drive the dual-gripper cylinder to rotate.

[0115] The dual-gripper cylinder includes a first gripper and a second gripper, both driven by the same cylinder, and the first and second grippers are symmetrically arranged at their centers. The dual-gripper cylinder can be driven by the robot body to the conveyor line 30, where its first gripper picks up an intermediate product and transfers it to the second pressing unit 23. Furthermore, the dual-gripper cylinder can also be driven by the robot body to the second iron core feeding conveyor line 24 and rotate 180°, where its second gripper picks up an iron core and transfers it to the second pressing unit 23, where it is pressed into place with the rotating shaft to form the final product.

[0116] The structure and operation of the second pressing unit 23 are the same as those of the first pressing unit 13. The structure and operation of the second iron core feeding conveyor line 24 are the same as those of the first iron core feeding conveyor line 14, and will not be described again here.

[0117] In summary, the dual-station feeding and pressing device of the present invention achieves continuous pressing between the lower iron core and the rotating shaft by setting a first feeding and pressing mechanism, and achieves continuous pressing between the intermediate plate, the upper iron core and the rotating shaft by setting a second feeding and pressing mechanism.

[0118] Specifically, in the rotary shaft feeding conveyor line of the present invention, the rotary shaft is clamped and fixed by a fixture that is similar in shape to the rotary shaft. At the same time, the drive mechanism drives the chain and sprocket to move, which in turn drives the fixture on it to perform cyclic conveying motion, thereby realizing continuous feeding of the rotary shaft.

[0119] In the iron core feeding conveyor line of this invention, the iron core is fixed by setting a chain with a fixture. A drive unit drives the chain and sprocket to move, which in turn drives the fixture to perform a cyclic conveying motion, thereby realizing continuous feeding of the rotating shaft. In addition, this invention also sets up a detection mechanism and a handling mechanism to realize online continuous detection of the iron core, which helps to ensure that the fed iron core meets the pressing requirements.

[0120] In the pressing unit of the present invention, the iron cores that cooperate with the rotating shaft are kept coaxial by the fixing sleeve, and the iron cores that are kept coaxial can be pressed into the rotating shaft synchronously by the pressure plate.

[0121] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0122] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dual-station feeding and pressing device, characterized in that, The dual-station feeding and pressing device includes: a first feeding and pressing mechanism, a second feeding and pressing mechanism, and a conveyor line; The first feeding and pressing mechanism and the second feeding and pressing mechanism are arranged side by side, and the conveying line is located on one side between the first feeding and pressing mechanism and the second feeding and pressing mechanism; The first feeding and pressing mechanism includes: a rotating shaft feeding conveyor line, a first handling robot, a first pressing unit, and a first iron core feeding conveyor line; The first pressing unit is located between the rotating shaft feeding conveyor line and the first iron core feeding conveyor line, and the first handling robot is located in the area enclosed by the rotating shaft feeding conveyor line, the first pressing unit and the first iron core feeding conveyor line; The rotating shaft conveyed by the rotating shaft feeding conveyor line and the lower iron core conveyed by the first iron core feeding conveyor line are transferred by the first handling robot to the first pressing unit for pressing, forming an intermediate product in which the lower iron core and the rotating shaft are assembled together. The second feeding and pressing mechanism includes: a middle plate feeding mechanism, a second handling robot, a second pressing unit, and a second iron core feeding conveyor line; The second iron core feeding conveyor line is arranged side by side with the first iron core feeding conveyor line. The intermediate plate feeding mechanism and the second pressing unit are located between the second iron core feeding conveyor line and the first iron core feeding conveyor line. The second handling robot is located in the area enclosed by the first iron core feeding conveyor line, the intermediate plate feeding mechanism, the second pressing unit and the second iron core feeding conveyor line. The intermediate products conveyed by the conveyor line, the intermediate plates conveyed by the intermediate plate feeding mechanism, and the upper iron cores conveyed by the second iron core feeding conveyor line are transferred by the second handling robot to the second pressing unit for pressing, forming a finished product with the upper iron core, intermediate plate, and lower iron core sequentially mounted on the rotating shaft.

2. The dual-station feeding and pressing device according to claim 1, characterized in that, The rotating shaft feeding conveyor line includes: a drive mechanism, a transmission mechanism, and several first fixtures; The drive mechanism includes: a drive motor and a divider; The transmission mechanism includes a chain and several sprockets; the several sprockets are respectively arranged at the upstream end and the downstream end according to the conveying direction, and each end is provided with two sets of sprockets arranged vertically, and the sprockets are linked together by the chain; the drive motor is connected to a sprocket through the divider. A plurality of first fixtures are spaced apart on the chain and move cyclically with the chain; each first fixture includes: a first fixture body and two grippers disposed on the first fixture body, wherein a clamping space is formed between the two grippers.

3. The dual-station feeding and pressing device according to claim 2, characterized in that, The transmission mechanism is configured as two sets, with the sprockets of the two sets arranged side by side, and any two sprockets arranged opposite each other are linked by a transmission shaft. Several support plates are connected to the chains of the two sets of transmission mechanisms. Two first fixtures arranged side by side are connected to any support plate. Each first fixture moves in a cycle with the chain through the support plate it is on.

4. The dual-station feeding and pressing device according to claim 1, characterized in that, Both the first and second handling robots include: a dual-gripper cylinder and a robot body; the dual-gripper cylinder includes: a first gripper and a second gripper driven by the same cylinder, and the first gripper and the second gripper are centrally symmetrically arranged. For the first handling robot, the dual-gripper cylinder is driven by the robot body and reciprocates between the rotating shaft feeding conveyor line and the first pressing unit, and between the first iron core feeding conveyor line and the first pressing unit. For the second handling robot, the dual-gripper cylinder is driven by the robot body and reciprocates between the conveyor line and the second pressing unit, and between the second iron core feeding conveyor line and the second pressing unit.

5. The dual-station feeding and pressing device according to claim 1, characterized in that, The first pressing unit and the second pressing unit each include: an upper pressing fixture, a lower pressing fixture, a first servo press, and a second servo press; The upper pressure fixture includes a fixed sleeve and a pressure plate; the fixed sleeve, pressure plate and the second servo press form an integral unit, which is driven by the first servo press to move up and down relative to the lower pressure fixture. The fixed sleeve is vertically arranged, with one end connected to the first servo press. The pressure plate is driven by the second servo press and moves up and down within the fixed sleeve. The lower pressure fixture is located below the upper pressure fixture and can be press-fitted with the upper pressure fixture; the lower pressure fixture includes a gripper, which is fixed on a base. When the upper pressure fixture and the lower pressure fixture are press-fitted, the fixed sleeve is press-fitted on the base, and the gripper is housed in the fixed sleeve. The pressure plate is driven to move up and down relative to the gripper by the second servo press.

6. The dual-station feeding and pressing device according to claim 5, characterized in that, The first pressing unit further includes: a fixed seat and a sliding seat; The first servo press is mounted on the fixed base, and its output end is connected to the sliding base through a connecting plate. The fixed sleeve, the pressure plate and the second servo press are integrated on the sliding base. A pressure sensor is also provided between the connecting plate and the sliding base. The fixed sleeve has grooves on both sides, and the two ends of the pressure plate extend out of the grooves and are respectively connected to the corresponding second servo press for transmission.

7. The dual-station feeding and pressing device according to claim 1, characterized in that, Both the first and second iron core feeding conveyor lines include: a feeding conveyor body, a detection mechanism, and a handling mechanism; The main body of the feeding conveyor line includes: a drive unit, a transmission unit, and several second fixtures; The transmission unit includes: a chain and several sprockets, the chain is mounted on the several sprockets, the drive unit is connected to a sprocket for transmission, and several second fixtures are spaced apart on the chain and move cyclically with the chain; The detection mechanism includes a vision detection unit, which is located downstream of the main body of the feeding conveyor line, and the lens of the vision detection unit is set downwards. The conveying mechanism includes a first conveying unit and a second conveying unit. The first conveying unit is located on one side of the feeding conveyor body. The iron core conveyed by the feeding conveyor body is rotated and unloaded through the first conveying unit. The second conveying unit receives the rotated and unloaded iron core and moves it horizontally to below the lens.

8. The dual-station feeding and pressing device according to claim 7, characterized in that, The plurality of sprockets are respectively arranged at the upstream end and the downstream end according to the conveying direction, and each end is provided with two sets of sprockets arranged vertically. The sprockets are linked together by the chain. The drive unit includes a drive motor and a divider. The drive motor is connected to a sprocket through the divider.

9. The dual-station feeding and pressing device according to claim 7, characterized in that, The transmission unit is configured as two sets, with the sprockets of the two sets of transmission units arranged side by side, and any two sprockets arranged opposite each other are linked by a transmission shaft; Several carrier plates are connected to the chains of the two sets of transmission units. Multiple second fixtures are arranged side by side on any carrier plate. The second fixtures are provided with protruding claws suitable for iron core assembly. Each second fixture moves in a cycle with the chain through the carrier plate it is on.

10. The dual-station feeding and pressing device according to claim 7, characterized in that, The first conveying unit includes: a gripper, an X-axis linear motor, a Y-axis linear motor, and a Z-axis linear motor; The gripper is driven by the Z-axis linear motor to perform Z-axis lifting motion; the gripper and the Z-axis linear motor as a whole are driven by the Y-axis linear motor to perform Y-axis translational motion; the gripper, the Y-axis linear motor, and the Z-axis linear motor as a whole are driven by the X-axis linear motor to perform X-axis translational motion. The second conveying unit includes a carrier tray and a linear motor; the carrier tray is driven by the linear motor and reciprocates in a direction perpendicular to the feeding conveyor line.

11. The dual-station feeding and pressing device according to claim 1, characterized in that, The intermediate plate loading mechanism includes: a loading turntable and a translation unit; The feeding turntable is provided with columns suitable for stacking and assembling intermediate plates. The columns are arranged in multiple positions and distributed circumferentially on the turntable. The translation unit includes: an adsorption head, a Z-axis linear motor, and a Y-axis linear motor. The adsorption head is connected to the output end of the Z-axis linear motor. One end of the Y-axis linear motor extends above the feeding turntable, and the other end extends above the downstream end of the rotating shaft feeding conveyor line. The adsorption head and the Z-axis linear motor together are driven by the Y-axis linear motor to reciprocate between the feeding turntable and the downstream end of the rotating shaft feeding conveyor line.

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