Large hoisting motor wave winding rotor copper bar bending device

Abstract

The invention relates to the technical field of copper bar bending, in particular to a large-scale hoisting motor wave winding rotor copper bar bending device, and solves the problems that when a rotor winding copper bar of a large-scale hoisting motor is bent in the prior art, manual bending operation is generally utilized, the bending difficulty is large, and the bending size and quality cannot be guaranteed to be uniform. Comprising a copper bar positioning mechanism and a rotary bending mechanism, one side of the rotary bending mechanism is rotationally connected with the copper bar positioning mechanism, a chassis supporting mechanism is installed at the bottom end of the copper bar positioning mechanism, the chassis supporting mechanism comprises a supporting base, and a center positioning seat is fixedly installed on the upper end face of the supporting base; the upper end surface of the central positioning seat is rotationally connected with a connecting seat; and the copper bar positioning mechanism comprises a copper bar positioning seat. According to the copper bar bending device, corresponding adjustment is conducted according to the sizes of copper bars, bending operation of the copper bars of different sizes can be met, the bending sizes of the copper bars can be accurately controlled conveniently, and therefore it can be guaranteed that the bending quality of the copper bars is unified.

Description

Technical Field

[0001] The invention relates to the technical field of copper bar bending, in particular to a copper bar bending device for a large-scale lifting motor wave winding rotor. Background Art

[0002] With the rapid development of social economy, the demand for large cranes is increasing. Hoisting motors play a vital role in cranes. Hoisting motors are the main power source of cranes. They convert electrical energy into mechanical energy to drive various operations of cranes, such as lifting, walking and traversing. The power and torque of the motor directly affect the performance and work efficiency of the crane. High-quality hoisting motors can provide precise control to ensure the accuracy and safety of hoisting operations. The rotor of a large hoisting motor is generally made of copper bars inserted into the winding. If the rotor burns out and needs to be overhauled and the winding replaced, the copper bars must be bent.

[0003] The existing method of bending the copper bars of the rotor winding of a large lifting motor is usually done manually, which is difficult and the size and quality of the bending cannot be guaranteed to be uniform. Therefore, it does not meet the existing needs. We have proposed a large lifting motor wave winding rotor copper bar bending device. Summary of the invention

[0004] The purpose of the present invention is to provide a large-scale lifting motor wave winding rotor copper bar bending device to solve the problem raised in the above background technology that the existing large-scale lifting motor rotor winding copper bar bending is usually performed manually, the bending is difficult, and the bending size and quality cannot be guaranteed to be uniform.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a large-scale lifting motor wave winding rotor copper bar bending device, comprising a copper bar positioning mechanism and a rotary bending mechanism, one side of the rotary bending mechanism is rotatably connected with the copper bar positioning mechanism, the bottom end of the copper bar positioning mechanism is installed with a chassis support mechanism, the chassis support mechanism comprises a support base, the upper end surface of the support base is fixedly installed with a center positioning seat, and the upper end surface of the center positioning seat is rotatably connected with a connecting seat;

[0006] The copper bar positioning mechanism comprises a copper bar positioning seat, a conical positioning groove is provided in the middle of the upper end surface of the copper bar positioning seat, a copper bar body is inserted into the inner side of the conical positioning groove, and a clamping movable plate is slidably connected to both sides of the conical positioning groove;

[0007] The rotary bending mechanism includes an installation turntable, which is fixedly connected to the upper end of the connecting seat, and three conical limit blocks are fixedly installed on the side of the conical limit block away from the lower end surface of the copper bar positioning seat, and two guide blocks are fixedly installed on the upper end surface of the installation turntable, and a positioning rod is installed between the two guide blocks, one end of the positioning rod is rotatably connected to a positioning slider, and a connecting screw is installed on the inner side of the positioning slider, and one side of the positioning slider is slidably connected to a first shaping block, and a second shaping block is installed at one end of the first shaping block, and a sliding groove is provided on the side of the first shaping block close to the positioning slider.

[0008] Preferably, the chassis support mechanism also includes a connecting threaded ring connected to the outer side of the center positioning seat, a connecting bearing is installed between the upper end of the center positioning seat and the connecting seat, two limit mounting blocks are installed on one side of the center positioning seat, and a limit rod is installed on the inner side of the limit mounting block.

[0009] Preferably, the copper bar positioning mechanism further comprises four first locking heads slidably connected to the copper bar positioning seat, and second locking heads are installed on the inner sides of both ends of the clamping movable plate.

[0010] Preferably, the rotary bending mechanism also includes four third locking heads slidably connected to the first shaping block and the second shaping block, and one end of the conical limit block is provided with a threaded mounting hole, wherein an operating handle is installed on the inner side of one of the threaded mounting holes.

[0011] Preferably, the center positioning seat is coaxial with the connecting seat and is rotatably connected via a connecting bearing, the connecting threaded ring is sleeved on the outer side of the bottom end of the connecting seat and is threadedly connected to the center positioning seat, and the mounting turntable swings back and forth relative to the axis of the center positioning seat.

[0012] Preferably, the support base is welded and fixed to two limit mounting blocks, the limit rod passes through the middle of the limit mounting block and is threadedly connected to the limit mounting block, and the two limit mounting blocks are symmetrically installed relative to the conical positioning groove.

[0013] Preferably, the upper end surfaces of the copper bar positioning seat, the clamping movable plate, the first shaping block and the second shaping block are all provided with waist-shaped holes, the bottom end of the first locking head passes through the waist-shaped hole and is threadedly connected to the supporting base, the copper bar positioning seat and the supporting base are position-adjusted by four first locking heads, the bottom end of the second locking head passes through the waist-shaped hole and is threadedly connected to the copper bar positioning seat, the two clamping movable plates and the copper bar positioning seats are position-adjusted by four second locking heads, the bottom end of the third locking head passes through the waist-shaped hole and is threadedly connected to the mounting turntable, and the first shaping block and the second shaping block are both position-adjusted with the mounting turntable through two third locking heads.

[0014] Preferably, one end of the operating handle is inserted into the inner side of the threaded mounting hole and is threadedly connected to the conical limit block, and the axes of the three threaded mounting holes coincide with the radial direction of the mounting turntable.

[0015] Preferably, one end of the positioning rod passes through two guide blocks and is in close contact with the positioning slider, the positioning rod and the two guide blocks are threadedly connected, one end of the connecting screw passes through the positioning slider and is threadedly connected to the positioning rod, the end face of the connecting screw coincides with one side of the positioning slider, one end of the positioning slider is inserted into the inner side of the slide groove, and the guide block, the positioning slider and the connecting screw slide linearly back and forth along the side of the slide groove.

[0016] Preferably, the copper bar body is bent twice, the length of the copper bar body at the first bending is 35 mm, and the length of the copper bar body at the second bending is 75 mm.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. The present invention can adjust and lock the position of the clamping movable plate on the upper end surface of the copper bar positioning seat through the second locking head, and then the two clamping movable plates can meet the clamping of copper bars of different thicknesses, and the third locking head is convenient for locking and fixing the first shaping block and the second shaping block after position adjustment, the copper bar is inserted into the inner side of the conical positioning groove and positioned and clamped through the two clamping movable plates, the positioning rod is rotated, and then the positioning rod drives the positioning slider to slide horizontally through the connecting screw under the guiding action of the two guide blocks, and then the bending length of the copper bar can be positioned by adjusting the position of the positioning slider;

[0019] 2. The present invention drives the installation turntable to rotate by the conical limit block. When the installation turntable rotates counterclockwise, the copper bar can be bent for the first time. At the same time, the conical limit block is limited by the limit rod to limit the rotation angle of the installation turntable, so as to maintain the bending accuracy of the copper bar. The bent part of the copper bar can be in contact with the side surfaces of the first shaping block and the second shaping block. Then, the installation turntable is driven to rotate clockwise by the operating handle, so as to perform the second bending operation on the copper bar. Through one adjustment, batch processing of bending multiple copper bars of the same size twice can be satisfied, and the processing accuracy and quality can be guaranteed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 A top view of the present invention as a whole;

[0022] Figure 3A front view of the present invention as a whole;

[0023] Figure 4 For the present invention Figure 3 Schematic diagram of the cross-sectional structure of area A in the middle;

[0024] Figure 5 It is a schematic diagram of the cross-sectional structure of the copper bar positioning seat of the present invention;

[0025] Figure 6 It is a schematic cross-sectional structure diagram of the rotary bending mechanism of the present invention;

[0026] Figure 7 This is a schematic diagram of the first bending and installation structure of the copper bar body of the present invention;

[0027] Figure 8 This is a schematic diagram of the first bending of the copper strip body of the present invention;

[0028] Fig. 9 It is a schematic diagram of the second bending installation structure of the copper bar body of the present invention;

[0029] Fig.10 It is a schematic diagram of the second bending of the copper strip body of the present invention.

[0030] In the figure: 1. chassis support mechanism; 101. support base; 102. limit mounting block; 103. limit rod; 104. center positioning seat; 105. connecting seat; 106. connecting threaded ring; 107. connecting bearing; 2. copper bar positioning mechanism; 201. copper bar positioning seat; 202. clamping movable plate; 203. first locking head; 204. second locking head; 205. conical positioning groove; 3. rotary bending mechanism; 301. mounting turntable; 302. conical limit block; 303. threaded mounting hole; 304. operating handle; 305. first shaping block; 306. second shaping block; 307. third locking head; 308. guide block; 309. positioning rod; 310. positioning slider; 311. slide groove; 312. connecting screw; 4. copper bar body. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0032] See also Figures 1 to 4, an embodiment provided by the present invention: a copper bar bending device for a large-scale lifting motor wave winding rotor, comprising a copper bar positioning mechanism 2 and a rotary bending mechanism 3, one side of the rotary bending mechanism 3 is rotatably connected with the copper bar positioning mechanism 2, the bottom end of the copper bar positioning mechanism 2 is installed with a chassis support mechanism 1, the chassis support mechanism 1 comprises a support base 101, the upper end surface of the support base 101 is fixedly installed with a center positioning seat 104, the upper end surface of the center positioning seat 104 is rotatably connected with a connecting seat 105, a connecting threaded ring 106 is installed on the outer side of the center positioning seat 104, a connecting bearing 107 is installed between the upper end of the center positioning seat 104 and the connecting seat 105, the center positioning seat 104 is coaxial with the connecting seat 105 and is rotatably connected through the connecting bearing 107, the connecting threaded ring 106 is sleeved on the outer side of the bottom end of the connecting seat 105 and is threadedly connected to the center positioning seat 104, and the chassis support mechanism 1 is convenient for supporting and rotating the whole;

[0033] Two limit mounting blocks 102 are installed on one side of the center positioning seat 104, and a limit rod 103 is installed on the inner side of the limit mounting block 102. The support base 101 is welded and fixed to the two limit mounting blocks 102. The limit rod 103 passes through the middle of the limit mounting block 102 and is connected to the limit mounting block 102 by a thread. The limit rod 103 is rotated on the inner side of the limit mounting block 102 to achieve axial movement adjustment of the limit rod 103, thereby limiting the conical limit block 302 and limiting the rotation angle of the rotary bending mechanism 3, thereby maintaining the bending accuracy of the copper bar body 4.

[0034] See also Figure 1 , Figure 2 and Figure 5 The copper bar positioning mechanism 2 includes a copper bar positioning seat 201, a conical positioning groove 205 is provided in the middle of the upper end surface of the copper bar positioning seat 201, and two limit mounting blocks 102 are symmetrically installed relative to the conical positioning groove 205. Both sides of the conical positioning groove 205 are slidably connected with a clamping movable plate 202, and the copper bar positioning seat 201 is slidably connected with four first locking heads 203. The inner sides of both ends of the clamping movable plate 202 are installed with second locking heads 204. The two clamping movable plates 202 can meet the needs of clamping copper bar bodies 4 of different thicknesses, and the conical positioning groove 205 can be used to position the copper bar body 4.

[0035] See also Figures 7 to 10 The copper bar body 4 is inserted into the inner side of the conical positioning groove 205. The copper bar body 4 is bent twice. The length of the copper bar body 4 in the first bending is 35 mm, and the length of the copper bar body 4 in the second bending is 75 mm. By determining the length dimensions of the two bendings of the copper bar body 4, the bending accuracy can be effectively guaranteed.

[0036] See also Figure 1 , Figure 2 , Figure 3 and Figure 6 The rotary bending mechanism 3 includes a mounting turntable 301, which is fixedly connected to the upper end of the connecting seat 105. The mounting turntable 301 swings back and forth relative to the axis of the central positioning seat 104. The conical limit block 302 is fixedly installed with three conical limit blocks 302 on the side away from the lower end surface of the copper strip positioning seat 201. One end of the conical limit block 302 is provided with a threaded mounting hole 303, and an operating handle 304 is installed on the inner side of one of the threaded mounting holes 303. The operating handle 304 One end is inserted into the inner side of the threaded mounting hole 303 and is connected to the conical limiting block 302 by threads. The axes of the three threaded mounting holes 303 coincide with the radial direction of the mounting turntable 301. The mounting position is changed between the three conical limiting blocks 302 by operating the handle 304 to meet a larger operating space. The conical limiting block 302 is limited by the limiting rod 103 to limit the rotation angle of the mounting turntable 301, thereby maintaining the bending accuracy of the copper bar body 4.

[0037] Two guide blocks 308 are fixedly installed on the upper end surface of the mounting turntable 301, a positioning rod 309 is installed between the two guide blocks 308, one end of the positioning rod 309 is rotatably connected to a positioning slider 310, a connecting screw 312 is installed on the inner side of the positioning slider 310, one side of the positioning slider 310 is slidably connected to a first shaping block 305, one end of the first shaping block 305 is installed with a second shaping block 306, a sliding groove 311 is provided on the side of the first shaping block 305 close to the positioning slider 310, one end of the positioning rod 309 passes through the two guide blocks 308 and is in close contact with the positioning slider 310, and the positioning rod 309 is in close contact with the two The guide blocks 308 are all connected by threads, one end of the connecting screw 312 passes through the positioning slider 310 and is connected to the positioning rod 309 by threads, the end face of the connecting screw 312 coincides with one side of the positioning slider 310, and one end of the positioning slider 310 is inserted into the inner side of the slide groove 311, and the guide block 308, the positioning slider 310 and the connecting screw 312 slide linearly back and forth along the side of the slide groove 311. When the positioning rod 309 rotates, the connecting screw 312 can drive the positioning slider 310 to slide horizontally, and then the first bending length of the copper bar body 4 is positioned by adjusting the position of the positioning slider 310;

[0038] The first shaping block 305 and the second shaping block 306 are slidably connected with four third locking heads 307. The upper end surfaces of the copper bar positioning seat 201, the clamping movable plate 202, the first shaping block 305 and the second shaping block 306 are all provided with waist-shaped holes. The bottom end of the first locking head 203 passes through the waist-shaped hole and is connected to the support base 101 by threads. The copper bar positioning seat 201 and the support base 101 are position-adjusted by the four first locking heads 203. The bottom end of the second locking head 204 passes through the waist-shaped hole and is connected to the copper bar positioning seat 201 by threads. The two clamping movable plates 202 and the copper bar positioning seat 201 are position-adjusted by four second locking heads 204, the bottom end of the third locking head 307 passes through the waist-shaped hole and is threadedly connected to the mounting turntable 301, the first shaping block 305 and the second shaping block 306 are both position-adjusted by two third locking heads 307 with the mounting turntable 301, and the first locking head 203, the second locking head 204 and the third locking head 307 can be used to fine-tune the position of the copper bar positioning seat 201, the clamping movable plate 202, the first shaping block 305 and the second shaping block 306 for locking and fixing.

[0039] In summary, the spacing between the two clamping movable plates 202 is adjusted according to the thickness of the copper bar body 4. Specifically, the bottom end of the second locking head 204 penetrates the clamping movable plate 202 and is connected to the copper bar positioning seat 201 by threads. The second locking head 204 can adjust and lock the position of the clamping movable plate 202 on the upper end surface of the copper bar positioning seat 201, and then the two clamping movable plates 202 can meet the requirements of clamping the copper bar body 4 of different thicknesses. The first shaping block 305 and the second shaping block 306 are adjusted according to the bending and thickness dimensions of the copper bar body 4. Specifically, the bottom end of the third locking head 307 penetrates the first shaping block 305 and the second shaping block 306 and is connected to the mounting turntable 301 by threads. The third locking head 307 facilitates the locking and fixing of the first shaping block 305 and the second shaping block 306 after position adjustment.

[0040] The copper bar body 4 is inserted into the inner side of the conical positioning groove 205 and positioned and clamped by two clamping movable plates 202, and the positioning rod 309 is rotated, and then the positioning rod 309 drives the positioning slider 310 to slide horizontally through the connecting screw 312 under the guidance of the two guide blocks 308, and then the first bending length of the copper bar body 4 can be positioned by adjusting the position of the positioning slider 310;

[0041] The operating handle 304 is manually operated, so that the operating handle 304 drives the installation turntable 301 to rotate through the conical limit block 302. The installation turntable 301 is rotated and maintained relative to the central positioning seat 104 through the connecting seat 105 and the connecting bearing 107. When the installation turntable 301 rotates counterclockwise, the copper bar body 4 can be bent for the first time. At the same time, the conical limit block 302 is limited by the limit rod 103, so that the rotation angle of the installation turntable 301 can be limited, thereby maintaining the bending accuracy of the copper bar body 4.

[0042] After the copper bar body 4 is bent for the first time, it is taken out from between the two clamping movable plates 202 and replaced, so that the bent portion of the copper bar body 4 can fit in contact with the sides of the first shaping block 305 and the second shaping block 306, and then the mounting turntable 301 is driven by the operating handle 304 to rotate clockwise, so that the copper bar body 4 can be bent for the second time. Through one adjustment, multiple copper bar bodies 4 of the same size can be processed in batches, and the processing accuracy and quality can be guaranteed.

[0043] It will be apparent to those skilled in the art that the 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 the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A copper bar bending device for a large-scale lifting motor wave winding rotor, comprising a copper bar positioning mechanism (2) and a rotary bending mechanism (3), characterized in that: One side of the rotary bending mechanism (3) is rotatably connected to a copper bar positioning mechanism (2), a bottom end of the copper bar positioning mechanism (2) is installed with a chassis support mechanism (1), the chassis support mechanism (1) comprises a support base (101), a center positioning seat (104) is fixedly installed on the upper end surface of the support base (101), and the upper end surface of the center positioning seat (104) is rotatably connected to a connecting seat (105); The copper bar positioning mechanism (2) comprises a copper bar positioning seat (201), a conical positioning groove (205) is provided in the middle of the upper end surface of the copper bar positioning seat (201), a copper bar body (4) is inserted into the inner side of the conical positioning groove (205), and a clamping movable plate (202) is slidably connected to both sides of the conical positioning groove (205); The rotary bending mechanism (3) comprises an installation turntable (301), wherein the installation turntable (301) is fixedly connected to the upper end of the connecting seat (105), and three conical limit blocks (302) are fixedly installed on the side of the conical limit block (302) away from the lower end surface of the copper strip positioning seat (201), and two guide blocks (308) are fixedly installed on the upper end surface of the installation turntable (301), and a positioning rod (309) is installed between the two guide blocks (308), and one end of the positioning rod (309) is rotatably connected to a positioning slider (310), and a connecting screw (312) is installed on the inner side of the positioning slider (310), and one side of the positioning slider (310) is slidably connected to a first shaping block (305), and one end of the first shaping block (305) is installed with a second shaping block (306), and a sliding groove (311) is provided on the side of the first shaping block (305) close to the positioning slider (310).

2. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 1, characterized in that: The chassis support mechanism (1) further comprises a connecting threaded ring (106) connected to the outer side of the center positioning seat (104); a connecting bearing (107) is installed between the upper end of the center positioning seat (104) and the connecting seat (105); two limit mounting blocks (102) are installed on one side of the center positioning seat (104); and a limit rod (103) is installed on the inner side of each limit mounting block (102).

3. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 2, characterized in that: The copper bar positioning mechanism (2) further comprises four first locking heads (203) slidably connected to the copper bar positioning seat (201), and second locking heads (204) are installed on the inner sides of both ends of the clamping movable plate (202).

4. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 3, characterized in that: The rotary bending mechanism (3) also includes four third locking heads (307) slidably connected to the first shaping block (305) and the second shaping block (306); one end of the conical limiting block (302) is provided with a threaded mounting hole (303), and an operating handle (304) is installed on the inner side of one of the threaded mounting holes (303).

5. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 4, characterized in that: The center positioning seat (104) is coaxial with the connecting seat (105) and is rotatably connected via a connecting bearing (107); the connecting threaded ring (106) is sleeved on the outer side of the bottom end of the connecting seat (105) and is threadably connected to the center positioning seat (104); and the mounting turntable (301) reciprocates relative to the axis of the center positioning seat (104).

6. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 5, characterized in that: The support base (101) is welded and fixed to the two limit mounting blocks (102); the limit rod (103) passes through the middle of the limit mounting block (102) and is threadedly connected to the limit mounting block (102); the two limit mounting blocks (102) are symmetrically installed relative to the conical positioning groove (205).

7. A large-scale hoisting motor wave winding rotor copper bar bending device according to claim 6, characterized in that: The upper end surfaces of the copper bar positioning seat (201), the clamping movable plate (202), the first shaping block (305) and the second shaping block (306) are all provided with waist-shaped holes; the bottom end of the first locking head (203) passes through the waist-shaped hole and is connected to the support base (101) by means of threads; the copper bar positioning seat (201) and the support base (101) are positionally adjusted by means of the four first locking heads (203); the bottom end of the second locking head (204) passes through the waist-shaped hole The two clamping movable plates (202) and the copper bar positioning seat (201) are connected by threads, and the positions of the two clamping movable plates (202) and the copper bar positioning seat (201) are adjusted by four second locking heads (204). The bottom end of the third locking head (307) passes through the waist-shaped hole and is connected to the mounting turntable (301) by threads. The first shaping block (305) and the second shaping block (306) are both adjusted by two third locking heads (307) with the mounting turntable (301).

8. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 7, characterized in that: One end of the operating handle (304) is inserted into the inner side of the threaded mounting hole (303) and is threadedly connected to the conical stop block (302). The axes of the three threaded mounting holes (303) coincide with the radial direction of the mounting turntable (301).

9. A large-scale lifting motor wave winding rotor copper bar bending device according to claim 8, characterized in that: One end of the positioning rod (309) passes through the two guide blocks (308) and is in close contact with the positioning slider (310); the positioning rod (309) and the two guide blocks (308) are connected by threads; one end of the connecting screw (312) passes through the positioning slider (310) and is connected to the positioning rod (309) by threads; the end face of the connecting screw (312) coincides with one side of the positioning slider (310); one end of the positioning slider (310) is inserted into the inner side of the slide groove (311); the guide block (308), the positioning slider (310) and the connecting screw (312) slide linearly back and forth along the side of the slide groove (311).

10. The large-scale hoisting motor wave winding rotor copper bar bending device according to claim 1 is characterized in that: The copper bar body (4) is bent twice, the length of the copper bar body (4) at the first bending is 35 mm, and the length of the copper bar body (4) at the second bending is 75 mm.

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