Novel automatic uncoiling and uncoiling device for flat copper wire forming

Abstract

The utility model discloses a novel automatic uncoiling and uncoiling device for flat copper wire forming, which belongs to the technical field of flat copper wire processing and comprises a base, an uncoiling mechanism, a wire guiding mechanism, a tension mechanism and a wire pulling mechanism. The pay-off mechanism, the wire guiding mechanism, the tension mechanism and the wire pulling mechanism are arranged on the first support. The wire drawing mechanism comprises a first mounting seat, a wire drawing gear motor, a wire drawing movable wheel assembly and a wire drawing fixed wheel assembly, the first mounting seat is arranged on the first support, the wire drawing fixed wheel assembly is fixedly arranged on the first mounting seat, the wire drawing gear motor is arranged on the first mounting seat, and the wire drawing fixed wheel assembly is fixedly arranged on the wire drawing fixed wheel assembly. The wire drawing driving wheel assembly is arranged on the first mounting seat, a wire pressing air cylinder is arranged on the first mounting seat, the wire pressing air cylinder is in transmission connection with the wire drawing driving wheel assembly, and the first mounting seat is provided with a guide seat. According to the utility model, the problem that the wire feeding length needs to be accurately and synchronously matched with the uncoiling and uncoiling mechanism in the rapid wire feeding process is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of flat copper wire processing, in particular to a novel automatic unwinding and unwinding device for flat copper wire forming. Background Art

[0002] Motors typically use insulated flat copper wire to create the hairpin components in stator coils. During processing, the coiled flat copper wire undergoes buffering, straightening, paint stripping, automatic conveying, cutting, bending, and 3D molding to create the hairpin components. An automatic wire feeder is used to automatically convey the flat copper wire. However, existing automatic wire feeders lack an effective unwinding and payout system. This results in inconsistent wire feed length and the unwinding and payout mechanism during rapid wire feeding. This leads to unstable wire tension, prone to slippage and winding, impacting production efficiency and wasting copper wire. Utility Model Content

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and propose a new type of automatic unwinding and unwinding device for flat copper wire forming, which solves the problem of accurate synchronous matching of wire feeding length and unwinding and unwinding mechanism during rapid wire feeding, and keeps the tension of the pulled copper wire stable to avoid slipping and winding.

[0004] The above-mentioned problem to be solved by the present invention is achieved through the following technical solutions:

[0005] A novel automatic unwinding and unwinding device for forming flat copper wire is proposed, comprising a base, a unwinding mechanism, a conducting mechanism, a tension mechanism, and a wire pulling mechanism. A first bracket is provided on the base; the unwinding mechanism, the conducting mechanism, the tension mechanism, and the wire pulling mechanism are arranged on the first bracket according to the working process.

[0006] The wire pulling mechanism includes a first mounting seat, a wire pulling reduction motor, a wire pulling movable wheel assembly and a wire pulling fixed wheel assembly. The first mounting seat is arranged on the first bracket, and the wire pulling fixed wheel assembly is fixedly arranged on the first mounting seat. The wire pulling reduction motor is arranged on the first mounting seat and is transmission connected to the wire pulling fixed wheel assembly. The wire pulling movable wheel assembly is movably arranged on the first mounting seat and is transmission connected to the wire pulling fixed wheel assembly. A wire pressing cylinder is provided on the first mounting seat, and the wire pressing cylinder is transmission connected to the wire pulling movable wheel assembly so that the wire pulling movable wheel assembly is driven to move to adjust the relative distance between the wire pulling movable wheel assembly and the wire pulling fixed wheel assembly. The first mounting seat is provided with a guide seat at the position where the wire pulling movable wheel assembly and the wire pulling fixed wheel assembly are in contact.

[0007] In some embodiments, the wire pulling moving wheel assembly includes a first shell and a moving wheel group, the first shell is slidingly connected to the first guide rail provided on the first mounting seat, the moving wheel group is rotatably arranged in the first shell, the wire pressing cylinder is transmission-connected to the upper end surface of the first shell, the wire pulling fixed wheel assembly includes a second shell and a fixed wheel group, the fixed wheel group is rotatably arranged in the second shell, the wire pulling reduction motor is transmission-connected to the fixed wheel group, and the moving wheel group is meshingly connected to the fixed wheel group.

[0008] In some embodiments, the pay-off mechanism includes a pay-off reduction motor, a reel support shaft and a chain, the pay-off reduction motor is arranged on the base, the reel support shaft is rotatably mounted on the base, the output end of the pay-off reduction motor is provided with a driving sprocket, the reel support shaft and the driving sprocket are provided with a first driven sprocket in the same plane, the base is provided with a vertical pole at a position between the two reel support shafts, the vertical pole is provided with a second driven sprocket, the driving sprocket, the first driven sprocket and the second driven sprocket are connected through the chain transmission.

[0009] In some embodiments, the wire guide mechanism includes a second mounting seat and a first wire guide wheel, the second mounting seat is fixed to the first bracket, and the first wire guide wheel is rotatably mounted on the second mounting seat.

[0010] In some embodiments, the tension mechanism includes a third mounting seat, a tension cylinder and a second wire pulley. The third mounting seat is fixed to the first bracket. A connecting plate is provided on the third mounting seat. A second guide rail is provided on the connecting plate. A movable seat is slidably provided on the second guide rail. The output end of the tension cylinder is transmission-connected to the movable seat, and the second wire pulley is rotatably provided on the movable seat.

[0011] In some embodiments, the movable seat is located outside the second wire pulley and is provided with a wire seat and a tension adjusting member.

[0012] In some embodiments, a cleaning mechanism is provided on the first bracket between the tension mechanism and the wire pulling mechanism.

[0013] The above technical solution provided by this application has the following advantages compared with the existing technology:

[0014] The utility model provides a wire-pulling mechanism on the wire-feeding device, which actively conveys the flat copper wire into the buffer area through the wire-pulling mechanism, so that during the rapid wire-feeding process, the copper wire is always taken from the buffer area, thereby solving the problem of accurate synchronous matching of the wire-feeding length and the unwinding and unwinding mechanism during the rapid wire-feeding process, and keeping the tension of the pulled copper wire stable, avoiding slipping and winding; and the wire-pulling mechanism can continuously feed the wire at a slow speed, thereby reducing the starting and stopping frequencies of the wire-pulling reduction motor and the wire-rewinding reduction motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0016] Figure 1 This is a structural diagram of the automatic unwinding and unwinding device for forming flat copper wires of the utility model;

[0017] Figure 2 This is a structural diagram of the pay-off mechanism of the utility model;

[0018] Figure 3 This is a structural diagram of the tension mechanism of the utility model;

[0019] Figure 4 This is a structural diagram of the wire pulling mechanism of the utility model;.

[0020] Description of Figure Numbers:

[0021] 1-base; 2-pay-off mechanism; 201-pay-off reduction motor; 202-reel support shaft; 203-chain; 204-driving sprocket; 205-first driven sprocket; 206-second driven sprocket; 3-wire mechanism; 301-second mounting seat; 302-first wire pulley; 4-tension mechanism; 401-third mounting seat; 402-tension cylinder; 403-second wire pulley; 404-connecting plate; 405-second guide rail; 406-movable seat; 407-wire seat; 408-tension adjusting member; 5-wire pulling mechanism; 501-first mounting seat; 502-wire pulling reduction motor; 503-wire pressing cylinder; 504-first shell; 505-driven wheel group; 506-first guide rail; 507-second shell; 508-fixed wheel group; 509-guide seat; 6-first bracket; 7-cleaning mechanism. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), such directional indications are only used to explain the relative position relationship, movement status, etc. between the various components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0024] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0025] like Figure 1-4 As shown, the utility model proposes a novel automatic unwinding and unwinding device for flat copper wire forming, including a base 1, a unwinding mechanism 2, a conductor mechanism 3, a tension mechanism 4 and a wire pulling mechanism 5; the unwinding mechanism 2 includes a unwinding reduction motor 201, a wire drum support shaft 202 and a chain 203, the unwinding reduction motor 201 is arranged on the base 1, the wire drum support shaft 202 is rotatably assembled on the base 1, the output end of the unwinding reduction motor 201 is provided with a driving sprocket 204, the wire drum support shaft 202 is provided with a first driven sprocket 205 at a position coplanar with the driving sprocket 204, the base 1 is provided with a vertical pole at a position between the two wire drum support shafts 202, and the vertical pole is provided with a second driven sprocket 206, the driving sprocket 204, the first driven sprocket 205 and the second driven sprocket 206 are connected by a chain 203; the unwinding reduction motor 201 provides power, and the chain 203 is used to drive the wire drum support shaft 202 to rotate, thereby realizing unwinding.

[0026] A first bracket 6 is provided on the base 1. Figure 4As shown, the wire pulling mechanism 5 includes a first mounting seat 501, a wire pulling reduction motor 502, a wire pulling dynamic wheel assembly and a wire pulling fixed wheel assembly, the first mounting seat 501 is arranged on the first bracket 6, and the first mounting seat 501 is provided with a wire pressing cylinder 503; wherein the wire pulling dynamic wheel assembly includes a first shell 504 and a dynamic wheel group 505, the first shell 504 is slidably connected to the first guide rail 506 provided on the first mounting seat 501, the dynamic wheel group 505 is rotatably arranged in the first shell 504, and the wire pressing cylinder 503 is transmission-connected to the upper end surface of the first shell 504; the wire pulling fixed wheel group 508 includes a second shell 507 and a fixed wheel group 508, the fixed wheel group 508 is rotatable The movable body is arranged in the second shell 507, the wire pulling reduction motor 502 is connected to the fixed wheel group 508 in transmission, and the moving wheel group 505 is meshed with the fixed wheel group 508; the first shell 504 can be driven to move by the wire pressing cylinder 503, thereby driving the moving wheel group 505 to move up and down to adjust the relative distance between the wire pulling fixed wheel assembly, and the fixed wheel group 508 is driven to rotate by the wire pulling reduction motor 502, and the fixed wheel group 508 drives the moving wheel group 505 to rotate; further, the first mounting seat 501 is provided with a guide seat 509 at the position where the wire pulling moving wheel assembly and the wire pulling fixed wheel assembly contact, and the wire pulling direction of the flat copper wire is guided by the guide seat 509.

[0027] Reference Figure 1 As shown, the wire guide mechanism 3 includes a second mounting seat 301 and a first wire guide wheel 302 . The second mounting seat 301 is fixed to the first bracket 6 , and the first wire guide wheel 302 is rotatably mounted on the second mounting seat 301 .

[0028] Reference Figure 3 As shown, the tension mechanism 4 includes a third mounting seat 401, a tension cylinder 402 and a second wire pulley 403. The third mounting seat 401 is fixed to the first bracket 6. A connecting plate 404 is provided on the third mounting seat 401. A second guide rail 405 is provided on the connecting plate 404. A movable seat 406 is slidably provided on the second guide rail 405. The output end of the tension cylinder 402 is transmission-connected to the movable seat 406. The second wire pulley 403 is rotatably provided on the movable seat 406. The movable seat 406 is located on the outside of the second wire pulley 403 and is provided with a wire seat 407 and a tension adjusting member 408.

[0029] When in use, the wire coil is placed on the wire drum support shaft 202, and the flat copper wire passes through the first wire wheel 302 and the second wire wheel 403 in sequence, and finally the flat copper wire is placed between the fixed wheel group 508 and the moving wheel group 505, and the fixed wheel group 508 is driven by the wire pulling reduction motor 502 to drive the moving wheel group 505 to rotate. When the buffer area is short of wire, the flat copper wire is transported to the buffer area through the wire pulling mechanism 5, so that during the rapid wire feeding process, the copper wire is always taken from the buffer area, which solves the problem of accurate synchronous matching of the wire feeding length and the unwinding and unwinding mechanism during the rapid wire feeding process, and keeps the tension of the pulled copper wire stable to avoid slipping and winding. The flat copper wire passes through the wire holder 407 and then enters the second wire wheel 403. The angle when entering the second wire wheel 403 is adjusted by the wire holder 407, and then the position of the second wire wheel 403 is driven by the tension cylinder 402 and the tension adjusting member 408 to ensure the tension of the copper wire transportation, preventing the copper wire from running away during the pay-off. When the tension mechanism 4 detects that the feeding tension of the flat copper wire is greater than the set tension, the pay-off reduction motor 201 works to drive the wire drum support shaft 202 to rotate and pay out the copper wire. The wire pulling mechanism 5 and the tension mechanism 4 prevent the copper wire in the wire drum from being loose, and the copper wire is actively sent to the buffer area to avoid being stuck.

[0030] Furthermore, a cleaning mechanism 7 is provided at a position of the first bracket 6 between the tension mechanism 4 and the wire pulling mechanism 5. The cleaning mechanism 7 includes a fourth mounting seat and a cleaning brush. The fourth mounting seat is assembled on the first bracket 6, and the cleaning brush is assembled on the fourth mounting seat. The surface of the flat copper wire entering the wire pulling mechanism 5 is cleaned by the cleaning brush to ensure the cleanliness of the flat copper wire entering the subsequent process.

[0031] The above are only preferred embodiments of the present invention and do not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A new type of automatic unwinding and unwinding device for flat copper wire forming, characterized in that: include, a base, wherein a first bracket is provided on the base; A wire-releasing mechanism, which is provided on the base and is used for placing the wire coil; A conductor mechanism, which is provided on the first bracket and is used for pulling the flat copper wire on the coil; a tension mechanism, which is provided on the first bracket and is used for tensioning the pulled flat copper wire; A wire pulling mechanism for conveying the flat copper wire to the buffer area; The wire pulling mechanism includes a first mounting seat, a wire pulling reduction motor, a wire pulling movable wheel assembly and a wire pulling fixed wheel assembly. The first mounting seat is arranged on the first bracket, and the wire pulling fixed wheel assembly is fixedly arranged on the first mounting seat. The wire pulling reduction motor is arranged on the first mounting seat and is transmission connected to the wire pulling fixed wheel assembly. The wire pulling movable wheel assembly is movably arranged on the first mounting seat and is transmission connected to the wire pulling fixed wheel assembly. A wire pressing cylinder is provided on the first mounting seat, and the wire pressing cylinder is transmission connected to the wire pulling movable wheel assembly so that the wire pulling movable wheel assembly is driven to move to adjust the relative distance between the wire pulling movable wheel assembly and the wire pulling fixed wheel assembly. The first mounting seat is provided with a guide seat at the position where the wire pulling movable wheel assembly and the wire pulling fixed wheel assembly are in contact.

2. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 1 is characterized in that: The wire pulling moving wheel assembly includes a first shell and a moving wheel group, the first shell is slidingly connected to the first guide rail provided on the first mounting seat, the moving wheel group is rotatably arranged in the first shell, the wire pressing cylinder is transmission-connected to the upper end surface of the first shell, the wire pulling fixed wheel assembly includes a second shell and a fixed wheel group, the fixed wheel group is rotatably arranged in the second shell, the wire pulling reduction motor is transmission-connected to the fixed wheel group, and the moving wheel group is meshingly connected to the fixed wheel group.

3. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 1 is characterized in that: The wire-paying mechanism includes a wire-paying reduction motor, a wire drum support shaft and a chain. The wire-paying reduction motor is arranged on the base, and the wire drum support shaft is rotatably assembled on the base. A driving sprocket is provided at the output end of the wire-paying reduction motor, and a first driven sprocket is provided at a coplanar position of the wire drum support shaft and the driving sprocket. The base is provided with a vertical pole at a position between the two wire drum support shafts, and a second driven sprocket is provided on the vertical pole. The driving sprocket, the first driven sprocket and the second driven sprocket are connected through the chain transmission.

4. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 1 is characterized in that: The wire guide mechanism includes a second mounting seat and a first wire guide wheel. The second mounting seat is fixed to the first bracket, and the first wire guide wheel is rotatably arranged on the second mounting seat.

5. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 1 is characterized in that: The tension mechanism includes a third mounting seat, a tension cylinder and a second wire pulley. The third mounting seat is fixed to the first bracket. A connecting plate is provided on the third mounting seat. A second guide rail is provided on the connecting plate. A movable seat is slidably provided on the second guide rail. The output end of the tension cylinder is transmission-connected to the movable seat, and the second wire pulley is rotatably provided on the movable seat.

6. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 5 is characterized in that: The movable seat is located on the outer side of the second wire wheel and is provided with a wire seat and a tension adjusting member.

7. The novel automatic unwinding and unwinding device for forming rectangular copper wire according to claim 1 is characterized in that: The first bracket is provided with a cleaning mechanism at a position between the tension mechanism and the wire pulling mechanism.

Images