Motor stator copper wire forming equipment

Abstract

The present invention discloses a motor stator copper wire forming device, which includes a mechanism for removing the wire sheath, and the mechanism for removing the wire sheath also includes a controller, the controller is used to control the movement of the cutter module, and compare the moving speed of the cutter module along the length direction of the wire with the conveying speed of the wire, and when the speeds of the two are consistent, the cutter module performs a sheath cutting action; the edge of the blade of the cutter module close to the wire side has an angle with the axial direction of the wire, the blade of the cutter includes a cutting surface arranged close to the outside of the cutter, a connecting surface connected to the cutting surface, and a guide surface connected to the connecting surface, and the side of the cutting surface away from the connecting surface is inclined toward the side away from the wire. The device of the present invention has a high production rhythm, and can achieve a smooth incision when cutting the wire sheath, and the device as a whole has a high processing efficiency under the premise of ensuring good product processing standards.

Description

Technical Field

[0001] The invention relates to the technical field of copper wire forming equipment, and in particular to a motor stator copper wire forming equipment. Background Art

[0002] Motor stator copper wire is an important component of the motor stator winding and is mainly used to generate electromagnetic fields. With the popularity of electric vehicles, the demand for motor stator copper wire is increasing, and the precision requirements are also getting higher and higher. Therefore, the processing efficiency and processing precision of motor stator copper wire are also posed with higher challenges.

[0003] At present, there have been reports on the automated processing equipment for motor stator copper wire, but the production rhythm is generally still not high. There are many factors that affect the production rhythm, such as the continuity of the loading link, the efficiency and timeliness of the unloading link. Therefore, the overall production rhythm of the whole machine depends on the mutual cooperation of various systems.

[0004] In addition, the steps of cutting the wire and removing the wire sheath are also key factors affecting the overall processing efficiency. At present, when processing the motor stator copper wire, it is necessary to cut the longer wire before forming. When cutting the wire, it is difficult to achieve fast cutting and good cutting effect at the same time. The processing efficiency of the wire sheath removal and the sheath removal effect are often the key factors affecting the processing effect of the motor stator copper wire. When using a cutter to remove the wire sheath, the cutter or the wire must be kept stationary. If the cutter needs to be stationary, the cut will be unsmooth or offset from the preset cutting position because the wire is kept moving. If the wire is kept stationary during the cutting action, it will greatly affect the production rhythm and reduce efficiency. Moreover, when the cutter cuts the sheath, it is easy to cut the core material by mistake or the sheath cut is uneven. Summary of the invention

[0005] In order to overcome the above shortcomings, the present invention provides a motor stator copper wire forming equipment, which has a high production cycle, can achieve a smooth incision when cutting the wire sheath, and makes the whole equipment have a high processing efficiency while ensuring good product processing standards.

[0006] The motor stator copper wire forming device of the present invention comprises: a feeding area, which is used to feed the material roller of the wire; a mechanism for removing the wire sheath, which comprises a cutter module and a moving part, and the moving part is used to drive the cutter module to move back and forth along the direction of wire conveying; a cutting mechanism, which is used to cut the wire; a wire pulling part, which is used to apply tension to the wire; a forming area, which is used to bend and form the cut wire segment; and a feeding area, which is used to collect the formed motor stator copper wire and remove the wire sheath. The mechanism also includes a controller, which is used to control the moving speed of the moving part and compare the moving speed of the cutter module along the conveying direction of the wire with the conveying speed of the wire. When the speeds of the two are consistent, the cutter module performs a sheath cutting action; the edge of the blade of the cutter module close to the wire has an angle with the axial direction of the wire, and the blade of the cutter includes a cutting surface arranged close to the outer side of the cutter, a connecting surface connected to the cutting surface, and a guide surface connected to the connecting surface, and the side of the cutting surface away from the connecting surface is inclined in the direction away from the wire.

[0007] The motor stator copper wire forming device of the present invention has the following beneficial effects:

[0008] ① By setting up a controller for the mechanism for removing the wire sheath, the controller is used to control the moving speed and direction of the cutter module, and compare the moving speed of the cutter module along the length direction of the wire with the conveying speed of the wire, so that the cutter module moves with the wire during the wire movement process, and when the moving speed of the cutter module is consistent with the conveying speed of the wire, the wire sheath is removed by punching. Therefore, it is not necessary to stop the conveying process of the wire when removing the sheath. When the conveying speed of the cutter module is consistent with that of the wire, the two are in a relatively static state. Therefore, it ensures a good cutting effect and does not affect the processing rhythm of the cutting at all, effectively reducing waiting time and improving processing efficiency.

[0009] ② The inclined cutting surface of the cutter structure of the present application can make the cut smooth and thorough after the sheath is removed, without the need for secondary edge processing. The setting of the guide surface not only improves the punching effect of the cutter, but also forms a accommodating space for the peeled sheath, and allows the peeled sheath to fall to the waste collection port under the action of the guide surface, thereby facilitating the discharge of the waste.

[0010] ③ The edge of the blade of the cutting knife module of the present application close to the side of the wire has an angle with the axial direction of the wire, so that a scissor-like shear shape can be formed at the wire sheath to be cut, reducing the resistance when removing the sheath from the wire, and correspondingly improving the quality of removing the wire sheath, ensuring a smooth incision edge.

[0011] ④ When the equipment of the present application is removing the sheath, the cutter module moves together with the conductor and removes the sheath when the speeds of the two are consistent, thereby improving the production rhythm of the entire machine; at the same time, by utilizing the shape setting of the cutter structure of the present application, a smooth incision effect is achieved when removing the sheath at a high rhythm, ensuring the overall efficiency of the equipment.

[0012] Furthermore, the cutter module of the wire sheath removal mechanism includes two sets of cutters arranged opposite to each other, and a pressing block facing the area of ​​the wire where the sheath is to be removed, the cutter passes through the pressing block, the pressing block includes a pressing block main body and a crimping flange protruding toward the wire, the crimping flange is located between the two cutters, and a slot for the cutter body to pass through is provided on the pressing block main body. Therefore, the area where the cutter cuts is exactly the position where the crimping flange is pressed, so when the sheath of the wire is removed, the shaking of the wire can be effectively avoided, and the stability of the wire sheath removal is fully guaranteed, so that the edge of the incision when the wire is removed is smooth, and the work efficiency is high.

[0013] Furthermore, plate body 1 and plate body 2 are symmetrically arranged on both sides of the wire, and slots are arranged in the middle of plate body 1 and plate body 2 to avoid each other. Therefore, the cutter can pass through the middle of plate body 1 and plate body 2, and it is more convenient to assemble by splitting into plate body 1 and plate body 2.

[0014] Furthermore, the plate body 1 and the plate body 2 are spaced apart from each other, and a wire feeding slot is formed between the plate body 1 and the plate body 2, and the wire feeding slot is arranged opposite to the crimping flange. The wire feeding slot can effectively reduce the shaking of the wire, and when the cutting knife module moves along the length direction of the wire, it plays an effect similar to "straightening the wire", and the wire will not shake due to the movement of the cutting knife module, so as to maintain the stability effect when cutting the wire sheath to the greatest extent.

[0015] Furthermore, the device further comprises two wire pulling parts, which work in turn. Thus, the moving stroke of each wire pulling part can be reduced, and the effect of uninterrupted wire pulling can be achieved by moving only half the distance in the entire wire pulling area.

[0016] Furthermore, each wire pulling portion includes two wire pulling clamping assemblies, and the wire pulling clamping assemblies include a support block for carrying the wire, a pressure head that can move toward or away from the wire is arranged above the support block, and a group of first blocks and second blocks are respectively arranged at the inlet end and the outlet end of the support block on the side of the support block close to the pressure head, and the two groups of first blocks and second blocks form a pressing groove on the upper surface of the support block. Therefore, since the number of wire pulling clamping assemblies is two, the pulling force applied to each wire pulling clamping assembly can be appropriately reduced, thereby ensuring that the clamping force on the wire is sufficient when pulling the wire and minimizing excessive compression of the wire. The present application cleverly utilizes the structure of the two groups of first blocks and second blocks to form a pressing groove on the support block, which is convenient for matching with the shape of the pressure head to ensure the stability of the pressing process.

[0017] Furthermore, a crimping block is provided on the lower surface of the pressure head, and a crimping protrusion is provided on the lower surface of the crimping block so as to fit into the crimping groove. An annular stop edge is provided around the upper edge of the crimping protrusion, and the stop edge can abut against the upper surfaces of the first stop block and the second stop block. Therefore, the cooperation of the stop edge with the first stop block and the second stop block can ensure that the pressure head can be smoothly inserted into the crimping groove. At the same time, the restriction of the stop edge can prevent the pressure head from moving excessively toward the wire during crimping and squeezing and deforming the wire.

[0018] Furthermore, the spacing between the first stopper and the second stopper gradually increases toward the side away from the wire input. Therefore, it can ensure that the wire can be well positioned when it passes through the wire pulling part at the beginning; and when the wire pulling clamping assembly is reset, since it moves in the opposite direction of the wire feeding direction, the area with a smaller gap between the first stopper and the second stopper first contacts the area where the wire is fed in, further ensuring the effect of limiting and centering the wire; and the area with a larger spacing between the first stopper and the second stopper provides a certain buffer space for the small displacement of the wire (the small displacement here is caused by the centering of the wire position in the area with a smaller gap between the first stopper and the second stopper).

[0019] Furthermore, the unloading area includes: multiple groups of unloading racks, each unloading rack is arranged in sequence along the direction of finished product output; and two unloading manipulators, the two unloading manipulators are respectively arranged on two conveying tracks, with the manipulator arranged on the conveying track close to one side of the unloading rack as the first manipulator, and the other unloading manipulator as the second manipulator, and a rotating cylinder is also arranged below the second manipulator. Therefore, by setting up multiple unloading racks, the accommodating capacity of the unloading area is improved, and by setting up a rotating cylinder below the second manipulator, when the manipulator resets to take materials, it will not interfere with the other manipulator moving to the unloading rack, and the material taking and unloading actions of the two manipulators will not affect each other, and there is no need to wait for one manipulator to complete the unloading action before the other manipulator starts working. Therefore, the unloading speed and accommodating capacity of the unloading area are improved, and the performance requirements of the unloading link for the faster production rhythm of the whole machine are met.

[0020] Furthermore, the unloading manipulator includes two plate-shaped clamping plates, which clamp the finished product on the upper and lower sides, and the width of the clamping plates is greater than the setting spacing of the pins of the finished motor stator copper wire to be clamped. Therefore, after the unloading manipulator clamps the pins of the motor stator copper wire, it is directly moved to the unloading rack, and then the unloading manipulator is released, and the finished product can be naturally hung on the unloading rack under the action of gravity. The entire unloading process is fast and does not require any unnecessary intervention and adjustment. This improves the efficiency of unloading work in the unloading area.

[0021] Furthermore, the cutter of the cutting mechanism includes an upper cutter and a lower cutter, and the arrangement direction of the blade edges of the upper cutter and the lower cutter is set in a vertical direction. The lower cutter is two knife bodies arranged opposite to each other, and the spacing between the two knife bodies is smaller than the width of a partial area of ​​the upper cutter. Therefore, when the upper cutter moves toward the lower cutter, it can penetrate into the gap between the two knife bodies of the lower cutter to achieve the cutting of the wire. Through this arrangement of the upper cutter and the lower cutter arranged vertically, when the wire is cut, a large pressure can be formed at the fracture, and the effect of quickly cutting the wire can be achieved, thereby better meeting the high production cycle requirements of the whole machine.

[0022] Furthermore, the upper surfaces of the two blades of the lower cutter gradually tilt downward from the edge on one side close to each other to the direction away from each other, and the width of the upwardly protruding end of the two blades of the lower cutter is smaller than the width of the blade body. Therefore, by setting the upper surface of the lower cutter in an inclined form, it can better cooperate with the upper cutter to achieve the cutting of the wire, and the width of the upwardly protruding end of the two blades of the lower cutter is smaller than the width of the blade body, which can increase the cutting force of the lower cutter on the wire, ensure the effect of cutting the wire, and ensure the high-efficiency processing of the whole machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1It is a schematic diagram of the top view of the structure of the motor stator copper wire forming device of the present invention;

[0024] Figure 2 A schematic diagram of the three-dimensional structure of a mechanism for removing a wire sheath;

[0025] Figure 3 It is a schematic diagram of the positional relationship between the pressing block main body and the wire feeding slot;

[0026] Figure 4 It is a schematic diagram of the structure of the wire feeding slot;

[0027] Figure 5 A schematic diagram of the inclination setting of the cutting blade of the cutter;

[0028] Figure 6 It is a schematic diagram of the local structure of the cutter;

[0029] Figure 7 It is a schematic diagram of the three-dimensional structure of the feeding part;

[0030] Figure 8 for Figure 7 A local enlarged schematic diagram of the middle A;

[0031] Fig. 9 It is a schematic diagram of the positional relationship between the wire pulling part and the cutting mechanism;

[0032] Fig.10 It is a schematic diagram of the connection relationship between the first stopper, the second stopper and the upper limit plate;

[0033] Fig.11 It is a schematic diagram of the connection relationship between the support block and the pressing block of the present invention;

[0034] Fig.12 It is a schematic structural diagram of a cutter of a cutting mechanism of the present invention;

[0035] Fig.13 For the present invention Fig.12 A partial enlarged schematic diagram of point B in the middle;

[0036] Fig.14 It is a schematic diagram of the three-dimensional structure of the unloading area of ​​the present invention;

[0037] Fig.15 For the present invention Fig.14 A partial enlarged schematic diagram of point C in the middle;

[0038] Fig.16 It is a schematic structural diagram of the clamping plate of the blanking robot of the present invention.

[0039] In the figure:

[0040] 1. Loading area;

[0041] 111, feeding roller; 112, adjusting roller; 113, mounting base plate; 114, traverse track; 115, feeding drive shaft; 116, connecting plate;

[0042] 117, baffle; 1181, first sensor; 1182, second sensor; 1183, third sensor; 1184, fourth sensor; 119, mounting plate;

[0043] 120, connecting piece; 1201, adjusting slot;

[0044] 2. A mechanism for removing the wire sheath;

[0045] 21. Cutter module; 221. Cutter module driving mechanism;

[0046] 24, pressing block; 241, pressing block main body; 2411, plate body 1; 2412, plate body 2; 2413, wire feeding groove; 242, crimping flange; 251, cutting surface; 252, connecting surface; 253, guide surface;

[0047] 3. Wire drawing department;

[0048] 31. Support block; 33. First stopper; 34. Second stopper; 35. Upper limit plate; 351. Horizontal plate; 36. Pressing block; 361. Pressing protrusion; 362. Stop edge;

[0049] 4. Cutting mechanism; 41. Upper cutting knife; 42. Lower cutting knife;

[0050] 5. Forming area;

[0051] 6. Unloading area; 61. Unloading rack; 62. Main guide rod; 63. Auxiliary guide rod; 64. First manipulator; 65. Second manipulator; 66. Rotating cylinder; 67. Clamping plate. DETAILED DESCRIPTION

[0052] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0053] See attached Figure 1As shown, the present invention provides a motor stator copper wire forming device, which includes the following mechanisms arranged in sequence: a loading area 1 for loading a material roller of a conductor, a mechanism 2 for removing a conductor sheath, a cutting mechanism 4 for cutting the conductor, a wire pulling portion 3 for applying a pulling force to the conductor to output outward, a forming area 5 for bending and forming the cut conductor segments, and a discharge area 6 for collecting the formed motor stator copper wire. The motor stator copper wire forming device of the present invention removes the sheath of the metal conductor at a predetermined length position through the mechanism 2 for removing the conductor sheath, and then, after being punched into a predetermined shape through a forming station, it is collected so as to facilitate subsequent discharge in the discharge area 6.

[0054] The mechanism 2 for removing the wire sheath of the present invention comprises a cutter module 21 and a moving part. The moving part is used to drive the cutter module 21 to move along the conveying direction of the wire. The moving part of the present invention can make the cutter module 21 move along with the wire during the movement of the wire, and when the moving speed of the cutter module 21 is consistent with the conveying speed of the wire, the punching action of removing the wire sheath is performed. Therefore, it is not necessary to stop the conveying process of the wire when removing the sheath. When the conveying speed of the cutter module 21 is consistent with that of the wire, the two are in a relatively static state. Therefore, it is ensured that the cutting effect is good and the processing rhythm of the cutting is not affected at all, which effectively reduces the waiting time and improves the rhythm efficiency.

[0055] See attached Figure 2 As shown, in some embodiments, the moving part includes a guide rail and a cutter module driving mechanism 221, and the mechanism for removing the wire sheath also includes a controller. The cutter module driving mechanism 221 can drive the cutter module 21 to move along the conveying direction of the wire. The controller is connected to the cutter module driving mechanism 221 and the cutter driving mechanism of the cutter module 21 and the wire pulling part for feeding the wire. The controller compares the moving speed of the moving part and the conveying speed of the wire. When the two are equal, the cutter module 21 performs a cutting action. Generally, the movement steps of the cutter module 21 during the wire conveying process are: ① Under normal circumstances, the moving part is in the initial position, and after receiving a cutting instruction, the moving part starts to accelerate; ② When the controller determines that the speed of the moving part is consistent with the conveying speed of the wire, the cutter module 21 starts to punch and cut the sheath of the wire; ③ After completing the punching and cutting action, the moving part starts to decelerate, and after the moving part moves to the set end point, it starts to move in the opposite direction of the wire conveying direction; ④ After the moving part moves to the initial position, the sheath cutting action is completed.

[0056] In some embodiments, the functions of the controller may also be integrated into the control system of the entire machine.

[0057] In some embodiments, the wire sheath removal mechanism 2 includes two cutting modules 21. The spacing between the two cutting modules 21 is exactly the spacing between any two adjacent areas of the wire from which the sheath is to be removed. Therefore, the wire sheath can be removed in two different directions, thereby improving the removal efficiency.

[0058] See attached Figure 3 and 4 As shown, the cutter module 21 of the wire sheath removal mechanism 2 of the present invention includes a pressing block 24 facing the area of ​​the wire where the sheath is to be removed, and a pair of cutters disposed through the pressing block 24. Therefore, after the cutter moves toward the wire, it contacts the sheaths on both sides of the wire, and further after the cutter moves, the sheaths on both sides of the wire are removed.

[0059] See attached Figure 5 As shown, in some embodiments, the edge of the cutting blade close to the wire is arranged in an inclined form with a certain angle to the axial direction of the wire, so that a scissor-like cutting shape can be formed, which reduces the resistance when removing the sheath of the wire and correspondingly improves the removal quality of the wire sheath, ensuring that the cutting edge is smooth. When the cutting action is not required, the distance between the cutting blade and the wire is along the direction close to the conveying source of the wire (i.e. Figure 5 Therefore, the end of the wire that is output first contacts the blade first to complete the cutting of the wire sheath, further improving the efficiency of wire sheath removal.

[0060] See attached Figure 6 As shown, in some embodiments, the blade of the cutter includes a cutting surface 251 arranged near the outside of the cutter (i.e., a working area closer to one side of the wire), a connecting surface 252 connected to the cutting surface 251, and a guide surface 253 connected to the connecting surface 252. The side of the cutting surface 251 away from the connecting surface 252 is inclined toward a side slightly away from the direction of the wire, so that a cutting line is formed at the connection between the cutting surface 251 and the connecting surface 252, which is a key area for cutting the sheath. After the sheath is cut through the cutting line, after the cutter continues to move toward the direction of the wire, the sloped surface of the cutting surface 251 peels off the sheath and is then taken away from the surface of the wire. The end of the guide surface 253 away from the connecting surface 252 is inclined in the direction away from the wire to be cut, that is, an inwardly concave notch structure is formed at the end of the cutter close to the wire to be cut, thereby improving the punching effect of the cutter and forming a accommodating space for the peeled sheath, so that the peeled sheath falls to the waste collection port under the action of the guide surface 253, which is convenient for the discharge of waste. The cutter structure of the present application can make the incision after the sheath is removed smooth and the cutting is thorough, without the need for secondary edge processing.

[0061] In some embodiments, the pressing block 24 includes a pressing block main body 241 and a pressing flange 242 protruding toward the wire (combined with the attached Figure 3 As shown in the figure, when the sheath of the wire is punched, the crimping flange 242 of the pressing block 24 is pressed on the surface of the wire. The thickness of the crimping flange 242 is less than the minimum width of the wire in a plane parallel to the force-bearing surface. A groove for the cutter body to pass through is provided on the main body 241 of the pressing block, and the cutter and the pressing block 24 can move separately. Therefore, before the sheath of the wire is cut, the pressing block 24 first moves in the direction close to the wire, until the crimping flange 242 presses and fixes the wire, and then the cutter moves in the direction of the wire, thereby completing the punching of the sheath. In some embodiments, it also includes two symmetrically arranged plate bodies 1 2411 and plate bodies 2 2412, and the middle parts of the plate bodies 1 2411 and the plate bodies 2 2412 are provided with grooves away from each other to avoid air, so that the cutter can pass between the plate bodies 1 2411 and the plate bodies 2 2412.

[0062] In some embodiments, the pressing plate and the cutter may share a driving component, such as a pressing plate driven by a driving cylinder or a motor. At the same time, the pressing block 24 is arranged on the side of the pressing plate close to the wire, and a buffer (such as a spring) is arranged between the pressing plate and the pressing block 24. Therefore, when the pressing plate moves toward the wire, the pressing block 24 first moves toward the direction close to the wire under the drive of the pressing plate; as the pressing plate continues to move, the cutter connected to the pressing plate also moves toward the direction close to the wire. Since the pressing block 24 is located on the side closer to the wire, the pressing block 24 can achieve the effect of pressing the wire first on the premise of sharing the same driving component-pressing plate with the cutter. Moreover, since the crimping flange 242 of the pressing block 24 is located in the middle of the two cutters, the area where the cutter cuts is exactly the position where the crimping flange 242 is pressed. Therefore, when the sheath of the wire is removed, the shaking of the wire can be effectively avoided, and the stability during punching is fully guaranteed. The plate body 1 2411 and the plate body 2412 are spaced apart from each other, and a wire feeding slot 2413 is formed between the plate body 1 2411 and the plate body 2412. Figure 3 and attached Figure 4 As shown in FIG. 2 , the groove wall depth of the wire feeding slot 2413 often needs to be greater than the thickness of the wire. Therefore, the present application provides a crimping flange 242 on the pressure plate, and the wire can be fully compressed under the action of the crimping flange 242. At the same time, the provision of the wire feeding slot 2413 can effectively reduce the shaking displacement of the wire, and when the cutter module 21 moves along the conveying direction of the wire, it plays an effect similar to "straightening the wire", and the wire will not shake due to the movement of the cutter module 21, and the stability effect when the wire sheath is cut is maintained to the greatest extent.

[0063] Since the upstream link of the motor stator copper wire forming device of the present invention does not interrupt the wire feeding process when the sheath is cut, the overall processing efficiency of the motor stator copper wire forming device is relatively high. Therefore, the feeding efficiency requirement of the feeding area 1 is also relatively high.

[0064] See attached Figure 7 and attached Figure 8 As shown, in some embodiments of the present invention, the feeding area 1 includes two feeding parts that can be used alternately. Each feeding part includes a rotatable feeding roller 111 and an adjusting roller 112, and a straightening mechanism arranged downstream of the adjusting roller 112. Usually, before feeding, the wire needs to pass through the feeding roller 111 and the adjusting roller 112 in sequence, and then pass through the straightening mechanism. The time required for the entire feeding and threading process is about 15 minutes. The use time of a roll of material is about two hours. Therefore, by setting two alternating feeding parts, the threading time that can be saved is 1 hour every eight hours. In this way, the waiting time of the feeding link can be greatly improved, and the production efficiency of the whole machine can be higher.

[0065] The loading area 1 of the present invention further includes a movable mounting base plate 113 and at least two transverse tracks 114 that are slidably connected to the mounting base plate 113, and the transverse tracks 114 are arranged in a direction perpendicular to the conveying direction of the wire. It also includes a driving mechanism (such as a cylinder) that drives the mounting base plate 113 to move. Therefore, when it is necessary to use the wire of a loading part for processing, the mounting base plate 113 is moved to the loading part and docked with the next station, and the wire can be loaded and threaded to another station.

[0066] The feeding drive shaft 115 for driving the feeding roller 111 to rotate is arranged on the lower side of the feeding roller 111, and a follower shaft is arranged at the same time. When feeding, the feeding roller 111 is supported by the feeding drive shaft 115 and the follower shaft. Therefore, under the action of the rear end pulling force, the feeding drive shaft 115 provides a relatively small driving force, and the feeding roller 111 can be rotated. The energy consumption is low, and the feeding roller 111 can be better adapted to the wire conveying rhythm of the wire drawing part 3.

[0067] The adjusting roller 112 of the present invention can move along the conveying direction of the wire. After the wire is discharged by the feeding roller 111, it moves upward from the side of the adjusting roller 112 away from the mechanism 2 for removing the wire sheath, and enters the next processing station after wrapping around the adjusting roller 112.

[0068] In some embodiments, the adjusting roller 112 is arranged on a guide track parallel to the conveying direction of the wire through a slider. A connecting plate 116 is arranged on the side of the adjusting roller 112 close to the guide track, and the connecting plate 116 is connected to the slider; a baffle 117 is also arranged on the connecting plate 116. A plurality of sensors are arranged along the length direction of the guide track, and the adjusting roller 112 can move forward or backward along the guide track under the action of the tension of the wire. When the adjusting roller 112 moves to the sensing path where the baffle 117 is facing the sensor, the position of the adjusting roller 112 can be sensed.

[0069] In some embodiments, a sensor is provided at each end of the length direction near the guide track, and at least two sensors are provided in the middle area of ​​the guide track. Take the example of only two sensors being provided in the middle area of ​​the guide track for explanation. From one end near the mechanism 2 for removing the wire sheath to the end away from the mechanism 2 for removing the wire sheath, the sensors are named as the first sensor 1181, the second sensor 1182, the third sensor 1183 and the fourth sensor 1184. In some embodiments, the four sensors are arranged at equal intervals. Usually, it is appropriate to locate the baffle 117 in the area between the second sensor 1182 and the third sensor 1183. When the feeding speed of the feeding roller 111 is too fast, since the rhythm of the wire pulling at the rear end remains unchanged, the adjusting roller 112 will move to the end away from the mechanism 2 for removing the wire sheath. Then, when the third sensor 1183 senses the baffle 117, it means that the speed of the feeding roller 111 is too fast at this time. At this time, the system will reduce the rotation speed of the feeding roller 111. If the fourth sensor 1184 senses the baffle 117, it means that the speed of the feeding roller 111 is too fast and should be stopped appropriately. Similarly, when the second sensor 1182 senses the baffle 117, it means that the feeding roller 111 is moved toward the end of the wire sheath removal mechanism 2 by the action of the rear end wire pulling part 3, indicating that the speed of the feeding roller 111 is too slow and the speed of the feeding roller 111 needs to be increased. When the first sensor 1181 senses the baffle 117, it means that the adjusting roller 112 has moved to the limit position and the speed of the adjusting roller 112 must be increased quickly.

[0070] In other possible implementations, the first sensor 1181 and the second sensor 1182 may be close to each other; the third sensor 1183 and the fourth sensor 1184 may be close to each other, and the distance between the second sensor 1182 and the third sensor 1183 may be set relatively far, thereby making the safe working range of the adjustment roller 112 larger.

[0071] In some embodiments, each sensor is disposed on a mounting plate 119 for fixing the guide rail via a connecting piece 120, an adjustment slot 1201 is disposed along the length direction of the guide rail on the connecting piece 120, and the sensor is fixed in the adjustment slot 1201 via a screw. The length of the adjustment slot 1201 is not less than the width of the baffle 117, and thus the relative position of the sensor and the baffle 117 can be adjusted as needed to improve the working accuracy of the device.

[0072] In some embodiments, the connecting piece 120 and the blocking piece 117 are both L-shaped, and the vertical plates of the two are arranged in a direction close to each other, thus lowering the size requirement of the sensor and reducing the limitation on the sensing distance of the sensor.

[0073] See attached Fig. 9 As shown, the wire drawing mechanism of the motor stator copper wire forming device of the present invention includes two wire drawing parts 3. The two wire drawing parts 3 are used to achieve the effect of replacing the wire drawing. Therefore, a backward pulling force is always applied to the wire.

[0074] The two wire pulling parts 3 are arranged in sequence along the conveying direction of the wire, and the two wire pulling parts 3 can move back and forth along the conveying direction of the wire. The two wire pulling parts 3 are named the first wire pulling part and the second wire pulling part respectively along the moving direction of the wire. Therefore, after the first wire pulling part clamps the wire and moves to the end of its stroke, the first wire pulling part returns to its starting point; the second wire pulling part starts to pull the wire, and after the second wire pulling part moves to the end of its stroke, the first wire pulling part starts to pull the wire, and so on. Therefore, the moving stroke of each wire pulling part can be reduced, and the effect of uninterrupted wire pulling can be achieved by moving half the distance in the entire wire pulling area.

[0075] In some embodiments, one wire pulling part 3 includes two wire pulling clamping assemblies. Therefore, the tension applied to each wire pulling clamping assembly can be appropriately reduced, thereby ensuring that the clamping force on the wire is sufficient when pulling the wire and minimizing excessive compression of the wire.

[0076] See attached Fig.10 and 11As shown, in some embodiments, the wire clamping assembly includes a support block 31 for carrying the wire, and a pressure head that can move toward or away from the wire is arranged above the support block 31. A first stopper 33, a second stopper 34 and an upper limit plate 35 are respectively arranged at the entrance and exit ends of the support block 31, and the upper limit plate 35 includes a vertical plate and a horizontal plate 351. The horizontal plate 351 extends toward the middle of the support block 31, and a groove for the wire to pass through is arranged on the vertical plate. The height of the groove on the vertical plate is greater than the height of the wire. Therefore, when the wire pulling part 3 is reset, since the moving direction of the wire pulling part 3 at this time is opposite to the conveying direction of the wire, the design of this structure will not interfere with the normal movement of the wire.

[0077] The distance between the first stopper 33 and the second stopper 34 on the side close to the wire input is slightly larger than the width of the wire and smaller than the width of the horizontal plate 351. The distance between the first stopper 33 and the second stopper 34 is larger toward the side away from the wire input ( Fig.10 The direction indicated by the arrow in the middle is the conveying direction of the wire, and the side away from the wire input is the side close to the front end of the arrow) gradually increases. Therefore, it can ensure that the wire can be well positioned when the wire is initially passed through the wire pulling part 3; and when the wire pulling clamping assembly is reset, since it moves in the direction opposite to the wire conveying direction, the area with a smaller gap between the first stopper 33 and the second stopper 34 first contacts the area where the wire is conveyed, further ensuring the effect of limiting and centering the wire; and the area with a larger gap between the first stopper 33 and the second stopper 34 provides a certain buffer space for the small displacement of the wire (that is, the shaking displacement in a direction roughly perpendicular to the wire).

[0078] In some embodiments, a group of first stopper 33 and a second stopper 34 are respectively arranged at the inlet end and the outlet end of the support block 31 on the side of the support block 31 close to the pressure head, and at least part of the surface of the two groups of first stopper 33 and the second stopper 34 close to each other is a plane, and a pressing groove is formed on the upper surface of the support block 31 by the two groups of first stopper 33 and the second stopper 34. A crimping block 36 is arranged on the lower surface of the pressure head, and a pressing protrusion 361 that can just fit into the pressing groove is arranged on the lower surface of the crimping block 36, and an annular stop edge 362 is arranged around the upper edge of the pressing protrusion 361, and the stop edge 362 can abut against the upper surface of the first stopper 33 and the second stopper 34. Therefore, the cooperation of the stop edge 362 with the first stopper 33 and the second stopper 34 can ensure that the pressure head can be smoothly inserted into the pressing groove. At the same time, the restriction of the stop edge 362 can prevent the pressure head from moving excessively toward the wire during pressing and squeezing and deforming the wire.

[0079] The cutting mechanism 4 of the present invention is used to cut the wire whose sheath has been removed (note that the wire whose sheath has been removed here refers to the wire whose sheath has been removed in part according to known requirements) in the middle of the area where the sheath has been removed. Although the determination of the break position can be made according to the conveying length of the wire. However, it is difficult for the mechanism for cutting the wire to be completely consistent with the beat of the driving mechanism in the area where the sheath is removed. Therefore, in practice, as the conveying distance of the wire gradually increases, the break spacing set in the system will gradually shift, thereby causing a certain deviation between the position where the cutting mechanism 4 completes the cutting and the reserved area for removing the sheath, which may cause the pin length of the product to be inconsistent.

[0080] The cutting mechanism 4 of the present invention selects a driving mechanism that is consistent with the driving mechanism of the wire sheath removal mechanism 2. Therefore, it helps to reduce the formation of large system errors due to the gradual accumulation of small errors in the beat of the driving mechanism in the front and rear stations. Therefore, the present application selects the cutting mechanism 4 to be consistent with the driving mechanism of the wire sheath removal mechanism 2, thereby ensuring that the wire transportation is not stopped when the specific area of ​​the sheath is removed, and there will be no gradual accumulation of errors, thereby ensuring the stability of the system during long-term operation and ensuring the high precision and high efficiency of the equipment.

[0081] In some embodiments, the drive parts of the cutter drive mechanism and the cutting mechanism 4 for removing the sheath of the present invention both include a drive shaft and a crank connected to the drive shaft. The drive shaft is eccentrically arranged at one end of the crank, and the cutter module 21 is rotatably connected to the other end of the crank. Therefore, when the drive shaft rotates, it can drive the crank to move periodically toward or away from the cutter module 21, thereby driving the cutter in the cutter module 21 to move periodically toward or away from the wire, thereby achieving the effect of removing the sheath or the effect of cutting the wire. This structure drives the motor that rotates the crank to rotate one circle to complete a punching action, and the production rhythm is greatly improved. Therefore, it is better guaranteed that the whole machine has higher production efficiency, faster production rhythm, and smooth incision.

[0082] In some embodiments, the crank has a wide head end and a narrow head end, and the drive shaft is eccentrically disposed at the wide head end of the crank, thereby providing a rotation space for the drive shaft when driving the crank to eccentrically swing.

[0083] In some embodiments, the drive shaft is driven by a motor, and a reducer connected to the motor may be selectively provided to increase the output torque. In other possible embodiments, other drive mechanisms (such as a cylinder) may be used to drive the drive shaft to rotate.

[0084] See attached Fig.12 and attached Fig.13 As shown, in some embodiments, the cutter of the cutting mechanism includes an upper cutter 41 and a lower cutter 42, and the arrangement direction of the blade edges of the upper cutter 41 and the lower cutter 42 is substantially vertical. The lower cutter 42 is two blade bodies arranged opposite to each other, and the spacing between the two blade bodies is smaller than the width of a partial area of ​​the upper cutter 41, and the blade edges of the two lower cutters 42 are also arranged in a vertical direction to the wire. The two lower cutters 42 are arranged in sequence along the length direction of the wire, so that when the upper cutter 41 moves toward the lower cutter 42, it can penetrate into the gap between the two blade bodies of the lower cutter 42, and form a cutting breakthrough at the edge of the lower cutter 42 close to the upper cutter 41, thereby achieving cutting of the wire. In some embodiments, the upper surfaces of the two blade bodies of the lower cutter 42 gradually tilt downward from the edges close to each other to the direction away from each other, that is, the upper surfaces of the two blade bodies close to each other protrude upward, so that it can better cooperate with the upper cutter 41 to achieve rapid cutting of the wire. In addition, the width of the upwardly protruding ends of the two blades of the lower cutter 42 is smaller than the width of the blade body, thereby increasing the cutting force of the lower cutter 42 on the wire and ensuring the effect of cutting the wire.

[0085] In some embodiments, the thickness of the region where the upper cutter 41 can enter the gap between the two blades of the lower cutter 42 is smaller than the thickness of both sides thereof, so that the wire can be fully cut while ensuring the strength of the upper cutter 41 .

[0086] Since the sheath removal mechanism of the present invention adopts a working mode that does not interrupt the feeding process of the wire, the overall production rhythm of the equipment is relatively fast, and thus the working efficiency and buffering capacity of the unloading area 6 are required to be relatively high.

[0087] See attached Fig.14 and 15As shown, the unloading area 6 of the motor stator copper wire forming equipment of the present invention uses a manipulator to directly clamp the motor stator copper wire that has been processed and formed, and by setting multiple groups of unloading racks 61 in the unloading area 6, and each unloading rack 61 is arranged in sequence along the direction of finished product output, thereby, each unloading rack 61 occupies a wider span. If only one manipulator is used, there will be a risk that the manipulator cannot keep up with the discharge rhythm of the finished material and cause material stacking. Therefore, the present application uses two unloading manipulators to take materials respectively and feed materials to the unloading rack 61 respectively. The two manipulators are respectively arranged on two conveying tracks, with the unloading manipulator arranged on the conveying track close to the unloading rack 61 being the first manipulator 64, and the other unloading manipulator being the second manipulator 65. Both manipulators can extend toward the direction of the unloading rack 61, so that the clamped motor stator copper wire can be directly placed on the unloading rack 61. A rotating cylinder 66 is also arranged below the second manipulator 65. Therefore, the robot can rotate to be parallel to the conveying track. Therefore, when the robot resets to pick up materials, it will not interfere with the other robot moving toward the lower material rack 61. The picking and unloading actions of the two robots do not affect each other, and there is no need to wait for one robot to complete the unloading action before the other robot starts working.

[0088] See attached Fig.16 As shown, in some embodiments, the unloading manipulator includes two plate-shaped clamping plates 67, and the clamping plates 67 can realize the clamping action from the upper and lower sides to the middle under the drive of the cylinder, and the width of the clamping plates 67 is greater than the setting spacing of the pins of the finished motor stator copper wire to be clamped. Therefore, after the unloading manipulator clamps the pins of the motor stator copper wire, it is directly moved to the unloading rack 61, and then the unloading manipulator is released, and the finished product can be naturally hung on the unloading rack 61 under the action of gravity. The whole unloading process is fast and does not require any unnecessary intervention and adjustment. This improves the efficiency of unloading work in the unloading area.

[0089] Each unloading rack 61 includes a main guide rod 62 located in the middle, and auxiliary guide rods 63 located on both sides of the main guide rod 62. The height of the main guide rod 62 is higher than the height of the auxiliary guide rod 63. Therefore, the main guide rod 62 and the two auxiliary guide rods 63 together constitute a support structure similar to a triangle, which can just match the middle shape of the motor stator copper wire. Therefore, when the manipulator places the motor stator copper wire on the loading rack, the shaking of the motor stator copper wire can be effectively prevented. When the manipulator is unloading, the motor stator copper wires on the two adjacent unloading racks 61 will not overlap each other. Therefore, the setting spacing of adjacent unloading racks 61 can be set smaller, so more unloading racks 61 can be set in a unit space. At the same time, the reciprocating movement stroke of the first manipulator 64 and the second manipulator 65 can be effectively reduced, with low cost and high efficiency.

[0090] The above implementation modes are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it. They cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A motor stator copper wire forming device, comprising: A loading area, the loading area is used to load the wire roller; A mechanism for removing the wire sheath, the mechanism comprising a cutter module and a moving part, the moving part is used to drive the cutter module to move back and forth along the direction of wire conveying; A cutting mechanism, wherein the cutting mechanism is used to cut the wire; A wire pulling portion, the wire pulling portion being used to apply a pulling force to the wire; A forming area, the forming area is used to bend and form the cut wire segments; The unloading area is used to collect the formed motor stator copper wires, and is characterized by: The wire sheath removal mechanism further includes a controller, which is used to control the moving speed of the moving part and compare the moving speed of the cutter module along the wire conveying direction with the conveying speed of the wire, and when the speeds of the two are consistent, the cutter module performs a sheath removal action; The edge of the blade of the cutting knife module close to the wire has an angle with the axial direction of the wire, the blade of the cutting knife includes a cutting surface arranged close to the outer side of the cutting knife, a connecting surface connected to the cutting surface, and a guiding surface connected to the connecting surface, and the side of the cutting surface away from the connecting surface is inclined in a direction away from the wire, The moving part is used to drive the cutter module to move along the conveying direction of the wire, and the moving part can make the cutter module move along with the wire during the movement of the wire. The movement steps of the cutter module during the wire conveying process are as follows: ① The moving part is in the initial position. After receiving a cutting instruction, the moving part starts to accelerate; ② When the controller determines that the speed of the moving part is consistent with the conveying speed of the wire, the cutting module starts to punch and cut the sheath of the wire; ③ After the punching action is completed, the moving part starts to decelerate, and after the moving part moves to the set end point, it starts to move in the direction opposite to the wire conveying direction; ④ After the moving part moves to the initial position, the cutting action of the sheath is completed.

2. The motor stator copper wire forming equipment according to claim 1, characterized in that: The cutter module of the mechanism for removing the wire sheath includes two groups of cutters arranged opposite to each other, and a pressing block facing the area of ​​the wire where the sheath is to be cut off, the cutters pass through the pressing block, the pressing block includes a pressing block main body and a crimping flange protruding toward the wire, the crimping flange is located in the middle of the two cutters, and a groove body for the cutter body to pass through is provided on the pressing block main body.

3. The motor stator copper wire forming equipment according to claim 2, characterized in that: A plate body 1 and a plate body 2 are symmetrically arranged on both sides of the conductor, and a slot body is arranged in the middle of the plate body 1 and the plate body 2 to be away from each other and avoid air.

4. The motor stator copper wire forming equipment according to claim 3, characterized in that: The plate body 1 and the plate body 2 are spaced apart from each other, a wire feeding groove is formed between the plate body 1 and the plate body 2, and the wire feeding groove is arranged opposite to the crimping flange.

5. The motor stator copper wire forming equipment according to any one of claims 1 to 4, characterized in that: It also includes two wire pulling parts, which work in turn.

6. The motor stator copper wire forming equipment according to claim 5, characterized in that: Each of the wire pulling parts includes two wire pulling clamping assemblies, and the wire pulling clamping assemblies include a support block for carrying the wire, a pressure head that can move toward or away from the wire is arranged above the support block, and a group of first blocks and second blocks are respectively arranged at the inlet end and the outlet end of the support block on the side of the support block close to the pressure head, and a pressing groove is formed on the upper surface of the support block by the two groups of first blocks and second blocks.

7. The motor stator copper wire forming equipment according to claim 6, characterized in that: A crimping block is arranged on the lower surface of the pressing head, and a crimping protrusion is arranged on the lower surface of the crimping block which can just fit into the crimping groove. An annular stop edge is arranged around the upper edge of the crimping protrusion, and the stop edge can abut against the upper surfaces of the first stop block and the second stop block.

8. The motor stator copper wire forming equipment according to claim 7, characterized in that: The distance between the first stopper and the second stopper gradually increases toward the side away from the input of the wire.

9. The motor stator copper wire forming equipment according to any one of claims 1-4, 6-8, characterized in that: The unloading area comprises: A plurality of groups of unloading racks, each of which is arranged in sequence along the direction of finished product output; and Two unloading manipulators are respectively arranged on two conveying tracks, the manipulator arranged on the conveying track close to one side of the unloading rack is the first manipulator, and the other unloading manipulator is the second manipulator, and a rotating cylinder is also arranged below the second manipulator.

10. The motor stator copper wire forming equipment according to claim 9, characterized in that: The blanking robot comprises two plate-shaped clamping plates, which clamp two pins of the finished motor stator copper wire on the upper and lower sides, and the width of the clamping plates is greater than the setting spacing of the pins of the finished motor stator copper wire to be clamped.

11. The motor stator copper wire forming equipment according to any one of claims 1-4, 6-8, and 10, characterized in that: The cutter of the cutting mechanism includes an upper cutter and a lower cutter, the edges of the blades of the upper cutter and the lower cutter are arranged in a vertical direction, the lower cutter is two oppositely arranged knife bodies, and the distance between the two knife bodies is smaller than the width of a partial area of ​​the upper cutter.

12. The motor stator copper wire forming equipment according to claim 11, characterized in that: The upper surfaces of the two blades of the lower cutter gradually incline from the edges close to each other to the direction away from each other, and the width of one end of the upward cutting blade protrusion of the two blades of the lower cutter is smaller than the width of the blade body.

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