Automatic feeding device for transformer copper coil

Abstract

The utility model relates to an automatic feeding device for a transformer copper coil, a lead screw is coupled in an outer shaft, a cylindrical sliding block in threaded connection with the lead screw is fixedly connected to an inner shaft, an expansion structure comprises a disc fixedly connected to the outer shaft and a plurality of arc-shaped plates arranged in the circumferential direction, the arc-shaped plates are connected to the disc in a sliding mode in the radial direction of the disc, and the arc-shaped plates are in threaded connection with the cylindrical sliding block. And the middle cylinder is fixedly connected with a guide structure for driving the arc-shaped plate to slide. When the copper coil expanding device is used, a copper coil is moved, the expanding structure is inserted into the copper coil, then the lead screw is driven to rotate, the cylindrical sliding block and the inner shaft are driven to move in the axial direction of the inner shaft, the inner shaft moves to drive the middle cylinder to move in the axial direction of the inner shaft, the arc-shaped plates are driven by the guide structure to move outwards, and the arc-shaped plates distributed in the circumferential direction support the copper coil. And then the outer shaft is driven to drive the expansion structure to rotate, the expansion structure drives the copper coil to rotate and uncoil, and the copper coil is supported through expansion of the expansion structure from inside to outside, so that feeding of the copper coil is facilitated, and the machining efficiency is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to transformer field especially transformer copper roll technical field, specifically point to a kind of automatic feeding device for transformer copper roll. BACKGROUND

[0002] Transformer is composed of core (or magnetic core) and coil, coil has two or two or more windings, wherein the winding of power supply is called primary coil, the rest winding is called secondary coil. It can change AC voltage, current and impedance. Simple core transformer is composed of an iron core made of soft magnetic material and two coils with different number of turns wrapped around the iron core. The function of the iron core is to strengthen the magnetic coupling between the two coils. In order to reduce the eddy current and hysteresis loss in the iron core, the iron core is made of lacquered silicon steel sheets stacked together. There is no electrical connection between the two coils, and the coils are made of insulated copper wire (or aluminum wire).

[0003] The raw material of the copper plate used in the transformer is the copper roll. After the copper plate on the copper roll is wound out and flattened, it is wound on the iron core. When the copper roll is unwound, it needs to be placed in the outer shaft, and the rotation of the outer shaft is realized by the rotation of the outer shaft. Therefore, the copper roll needs to be sleeved on the outer shaft. However, the copper roll is heavy, and it is difficult to operate when the copper roll is sleeved on the outer shaft, which causes the copper roll to be difficult to load and seriously affects the processing efficiency of the transformer. UTILITY MODEL CONTENT

[0004] The utility model provides an automatic feeding device for transformer copper roll in view of the deficiency of prior art, which expands the support of copper roll from inside to outside through expansion structure, so as to facilitate copper roll feeding and ensure processing efficiency.

[0005] The utility model is realized through the following technical scheme, an automatic feeding device for transformer copper roll, expansion structure connected on outer shaft, inner shaft coaxially arranged with outer shaft and slidingly connected on outer shaft along the axial direction of outer shaft, and middle cylinder rotationally connected on inner shaft, screw rod is connected on outer shaft, cylindrical slider is fixedly connected on inner shaft and threaded on screw rod, expansion structure includes disc fixedly connected on outer shaft, and a plurality of arc-shaped plates arranged circumferentially, arc-shaped plates are slidingly connected on disc along the radial direction of disc, and guiding structure for sliding arc-shaped plates is fixedly connected on middle cylinder.

[0006] The utility model discloses a copper roll is supported from inside to outside through the expansion structure, thereby facilitating the copper roll feeding, guarantees processing efficiency.

[0007] As preferred, the guide structure comprises a first slider and a second slider in sliding connection, the sliding surfaces of the first slider and the second slider are inclined surfaces arranged inwardly and outwardly, the first slider is fixedly connected to the middle cylinder, the second slider is fixedly connected to the arc-shaped plate, a T-shaped protrusion is formed in the first slider and arranged in parallel with the sliding surface, and a T-shaped groove is formed in the second slider and matched with the T-shaped protrusion.

[0008] When the middle cylinder moves along the inner shaft, the first slider moves along the axis, and the first slider and the second slider slide relative to each other along the axis of the inner shaft, and the second slider moves along the radial direction of the inner shaft due to the inclined sliding surface, so that the arc-shaped plate moves along the radial direction.

[0009] As preferred, a long hole is formed in the disc and extends along the sliding direction of the arc-shaped plate, a limiting block is fixedly connected to the arc-shaped plate and slides in the long hole, and a limiting bolt with a width greater than the long hole is threadedly connected to the limiting block.

[0010] The long hole provides a guide for the arc-shaped plate, and the limiting bolt limits the movement of the arc-shaped plate along the axis of the inner shaft.

[0011] As preferred, a small-diameter shaft coaxial with the inner shaft is fixedly connected to the inner shaft, two bearings are arranged on the small-diameter shaft, and a sleeve ring is rotatably connected to the small-diameter shaft between the two bearings, a plurality of connecting plates are arranged on the sleeve ring in the circumferential direction, the connecting plates extend outwardly in the radial direction, and the inner cylinder is bolted to the connecting plates.

[0012] The two bearings facilitate the movement of the sleeve ring along the axis of the inner shaft, the sleeve ring rotatably connects the inner cylinder and the inner shaft, and the connecting plates connect the sleeve ring and the outer cylinder.

[0013] As preferred, the side of the outer shaft is provided with a bracket, the bracket is hinged with a support arm supporting the inner shaft through a side shaft, the support arm is provided with a support groove for the insertion of the inner shaft, the support arm is hinged on the bracket through a support shaft, the support shaft is located at the side of the inner shaft, and the side shaft extends along the height direction.

[0014] In use, when the copper roll is inserted into the outer shaft, the side shaft is driven to rotate, and the support arm is rotated to the side of the inner shaft, so as to avoid the support arm blocking the insertion of the outer shaft into the copper roll. After the copper roll is inserted into the outer shaft, the side shaft is driven to rotate, and one end of the inner shaft is inserted into the support groove, so as to support the inner shaft by the support arm, and thus both ends of the copper roll can be supported.

[0015] As preferred, the end surface of the inner shaft is fixedly connected with an extension shaft inserted into the support groove, the insertion end of the extension shaft is in the shape of a circular truncated cone, and the support groove is provided with a bearing for the insertion of the insertion end of the extension shaft. The extension shaft and the bearing are arranged to facilitate the support of the inner shaft by the support arm.

[0016] As preferred, the support arm is further provided with a push plate located in the support groove, and an electric push rod for driving the push plate into contact with the extension shaft.

[0017] The push plate and the electric push rod are arranged to push the push plate onto the extension shaft, so as to fix the inner shaft.

[0018] As preferred, the bracket is further provided with a pin shaft inserted into the support arm and arranged in parallel with the side shaft.

[0019] The pin shaft is arranged to fix the support arm.

[0020] As preferred, the support seat is slidingly connected to the base along the axial direction of the copper roll, and the base is further provided with a top plate extending upward to support the copper roll.

[0021] In use, the support seat is pushed to slide on the base, so as to move the outer shaft to the outside of the base, thus facilitating the insertion of the outer shaft into the copper roll loaded on the trolley, and avoiding the interference of the copper roll with other unwinding structures. The top plate is arranged to support the copper roll after the arc-shaped plate supports the copper roll, so as to avoid the copper roll being too heavy to break the outer shaft.

[0022] As preferred, the support seat is hingedly connected with a first rotating shaft, the support seat is further provided with a cylinder for driving the first rotating shaft to rotate, the first rotating shaft is fixedly connected with a support plate extending toward the copper roll, and the support plate is hingedly connected with a rotating roller in contact with the copper roll. The rotating roller is arranged to support the unwinding copper plate, and the first rotating shaft and the cylinder are arranged to adjust the position of the rotating roller.

[0023] The utility model discloses a beneficial effect is: moving copper roll, make the expansion structure insert to copper roll inside, then drive screw rod rotation, drive cylindrical slider and inner shaft along the inner shaft axial movement, the movement of inner shaft drives the middle cylinder along the inner shaft axial movement, under the drive of guide structure, make arc plate move outward, a plurality of circumferential arrangement's arc plate support up copper roll, then drive outer shaft and drive expansion structure rotation, and expansion structure drives copper roll rotation and unwinds, because the middle cylinder rotation is connected on the inner shaft, therefore expansion structure rotates, and the inner shaft does not rotate, and copper roll is supported from inside to outside through expansion structure and expands, thereby convenient copper roll feeding, guarantee processing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the utility model structure perspective diagram;

[0025] Figure 2 It is the utility model structure main view schematic diagram;

[0026] Figure 3 It is the utility model structure plan schematic diagram;

[0027] Figure 4 It is the utility model structure side view schematic diagram;

[0028] Figure 5 It is the utility model structure outer shaft amplification schematic diagram;

[0029] Figure 6 It is Figure 5 Middle B-B section schematic diagram;

[0030] Figure 7 It is Figure 5 Right view schematic diagram;

[0031] Figure 8 It is the outer shaft three-dimensional structure schematic diagram;

[0032] Figure 9 It is the support groove place schematic diagram;

[0033] The shown in the figure:

[0034] 1, base, 2, support, 3, cylinder, 4, rotating roller, 5, first rotation axis, 6, arc plate, 7, support arm, 8, top plate, 61, screw rod, 62, cylindrical slider, 63, inner shaft, 64, outer shaft, 65, disc, 66, second slider, 67, first slider, 68, middle cylinder, 69, long hole, 601, connecting plate, 71, pin shaft, 72, side shaft, 73, extension shaft, 74, push plate, 75, support groove. DETAILED DESCRIPTION

[0035] In order to clearly illustrate the technical features of the scheme, the following through specific implementation, the scheme is described.

[0036] Refer to the drawings Figures 1-8 The utility model discloses an automatic feeding device for transformer copper roll, including base 1, the support 2 of copper roll axle direction sliding connection on base 1, be equipped with the support of copper roll side edge on support 2, the axle joint of first rotation axis 5 is equipped on support 2, still be equipped with the cylinder 3 of driving first rotation axis 5 rotation on support 2, the cylinder body of cylinder 3 is hinged on support 2, the extension end of cylinder 3 is hinged to have connecting rod, and connecting rod is fixedly connected on first rotation axis 5, and first rotation axis 5 is fixedly connected with the support plate that extends to copper roll, and the axle joint of rotation roller 4 that contacts and is connected with copper roll is equipped on support plate.

[0037] The axle joint of outer shaft 64 that is arranged in parallel with copper roll axle line is equipped on support 2, and still be equipped with the motor of driving outer shaft 64 rotation on support 2, and the expansion structure is connected on outer shaft 64, the expansion structure includes the disc 65 of fixedly connected on outer shaft 64, and the arc plate 6 of several circumferential arrangement, the arc plate 6 is along the radial sliding connection of disc 65 on disc 65, and the long hole 69 of setting up with the arc plate 6 corresponding and along the sliding direction of arc plate 6 extends is set up on disc 65, the limiting block of sliding in long hole 69 is fixedly connected on arc plate 6, and the limiting bolt of the width greater than long hole 69 is screw-connected on limiting block.

[0038] Still be equipped with the inner shaft 63 of setting up with outer shaft 64 coaxial line in outer shaft 64, and inner shaft 63 is along its axial sliding in outer shaft 64, and the lead screw 61 of being connected with inner shaft 63 is in outer shaft 64, the cylindrical slider 62 of being fixedly connected on the lead screw 61 of screwing on inner shaft 63 is fixedly connected on inner shaft 63, and the motor of driving lead screw 61 rotation is rotationally connected in outer shaft 64, and the inner hole of setting up is equipped in cylindrical slider 62, and the screw thread of being connected with lead screw 61 is equipped in inner hole.

[0039] Still rotationally connected with the middle cylinder 68 of being sleeved on inner shaft 63 on inner shaft 63, the small diameter shaft of setting up with its coaxial line is fixedly connected in inner shaft 63, and the two bearings of setting up on small diameter shaft and the sleeve ring of being rotationally connected on small diameter shaft between two bearings are equipped, and the connecting plate 601 of several circumferential arrangement is equipped on sleeve ring, and connecting plate 601 extends outward along the radial, and is bolted with inner cylinder, and the bearing on the radial axle is thrust ball bearing.

[0040] The guiding structure of driving arc plate 6 sliding is fixedly connected on middle cylinder 68. The guiding structure includes the first slider 67 and the second slider 66 of sliding connection, the sliding surface of first slider 67 and second slider 66 is the inclined surface of setting up by inside and outside, the first slider 67 is fixedly connected on middle cylinder 68, the second slider 66 is fixedly connected on arc plate 6, the T-shaped protrusion of setting up in parallel with sliding surface is opened in first slider 67, and the T-shaped groove of cooperating with T-shaped protrusion is opened in second slider 66.

[0041] The support arm 7 is hinged to the support inner shaft 63 through a side shaft 72, the support arm 7 is provided with a support groove 75 for inserting the inner shaft 63, and the support arm 7 is hinged to the support through a support shaft located at the side of the inner shaft 63, and the side shaft 72 extends along the height direction.

[0042] The end surface of the inner shaft 63 is fixedly connected with an extension shaft 73 inserted into the support groove 75, the insertion end of the extension shaft 73 is in a circular truncated cone shape, and the support groove 75 is provided with a bearing for inserting the insertion end of the extension shaft 73.

[0043] The support arm 7 is further provided with a push plate 74 located in the support groove 75, and an electric push rod for driving the push plate 74 into contact with the extension shaft 73.

[0044] The support is further provided with a pin shaft 71 inserted into the support arm 7 and arranged in parallel with the side shaft 72, and the support is provided with an electric push rod connected with the pin shaft 71.

[0045] In use, the side shaft 72 is driven to rotate, the side shaft 72 drives the support groove 75 to rotate to the side of the outer shaft 64, the extension shaft 73 is separated from the support groove 75, then the support base 2 is driven to move on the base 1, the outer shaft 64 is moved to the side of the base 1, the trolley is pushed to move to the outer shaft 64, the outer shaft 64 is inserted into the copper roll, then the top plate 8 is driven to move upward to support the copper roll, and the trolley is removed;

[0046] Then the lead screw 61 is driven to rotate, the lead screw 61 drives the cylindrical block 62 and the inner shaft 63 to move along the axial direction of the inner shaft 63, the movement of the inner shaft 63 drives the middle cylinder 68 to move along the axial direction of the inner shaft 63, thereby driving the first sliding block 67 to move along the axial direction, at this time, the first sliding block 67 and the second sliding block 66 slide relative to each other in the axial direction of the inner shaft 63, and since the sliding surface is arranged in an inclined surface, the first sliding block 67 drives the second sliding block 66 to move along the radial direction of the inner shaft 63, thereby realizing the radial movement of the arc-shaped plate 6, and the plurality of circumferentially arranged arc-shaped plates 6 support the copper roll.

[0047] Then the side shaft 72 is driven to rotate, the extension shaft 73 is inserted into the bearing in the support groove 75, then the push plate 74 is driven to be on the extension shaft 73, then the top plate 8 is driven to move downward, the cylinder 3 is driven to drive the rotating roller 4 to be on the copper roll, then the support base 2 is driven to reset, the outer shaft 64 is driven to rotate, the outer shaft 64 drives the copper roll to rotate and unroll through the arc-shaped plate 6, since the middle cylinder 68 is rotationally connected to the inner shaft 63, the inner shaft 63 does not rotate when the expansion structure rotates, the copper roll is supported outwardly through the expansion structure, thereby facilitating the feeding of the copper roll and ensuring the processing efficiency.

[0048] Of course, the above description is also not limited to the above examples, the technical features not described in the utility model can be realized by or using the prior art, which will not be repeated here; the above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not a limitation on the utility model, the utility model has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. An automatic feeding device for transformer copper coils, characterized in that: The expansion structure is connected to the outer shaft (64), the inner shaft (63) is axially slidably connected to the outer shaft (64) and coaxially arranged with the outer shaft (64), and the middle cylinder (68) is rotatably connected to the inner shaft (63), the outer shaft (64) is provided with a lead screw (61), the inner shaft (63) is fixedly connected with a cylindrical slider (62) which is threadedly connected to the lead screw (61), the expansion structure comprises a disc (65) fixedly connected to the outer shaft (64) and a plurality of arc-shaped plates (6) arranged in the circumferential direction, the arc-shaped plates (6) are radially slidably connected to the disc (65), and the middle cylinder (68) is fixedly connected with a guide structure for sliding the arc-shaped plates (6).

2. The automatic feeding device for transformer copper coils according to claim 1, characterized in that: The guide structure comprises a first sliding block (67) and a second sliding block (66) which are slidably connected, the sliding surfaces of the first sliding block (67) and the second sliding block (66) are inclined surfaces arranged inwardly and outwardly, the first sliding block (67) is fixedly connected to the middle cylinder (68), the second sliding block (66) is fixedly connected to the arc-shaped plate (6), a T-shaped protrusion is formed in the first sliding block (67) and arranged in parallel with the sliding surface, and a T-shaped groove is formed in the second sliding block (66) and matched with the T-shaped protrusion.

3. The automatic feeding device for transformer copper coil according to claim 2, characterized in that: A long hole (69) is formed in the disc (65) and arranged corresponding to the arc-shaped plate (6) and extending in the sliding direction of the arc-shaped plate (6), the arc-shaped plate (6) is fixedly connected with a limiting block slidably connected in the long hole (69), and a limiting bolt with a width larger than the long hole (69) is threadedly connected to the limiting block.

4. The automatic feeding device for transformer copper coil according to claim 1, characterized in that: The inner shaft (63) is fixedly connected with a small-diameter shaft coaxially arranged therewith, two bearings are arranged on the small-diameter shaft, a sleeve ring is rotatably connected to the small-diameter shaft and located between the two bearings, a plurality of connecting plates (601) are arranged in the circumferential direction on the sleeve ring, the connecting plates (601) extend outwardly in the radial direction and are bolted to the inner cylinder.

5. The automatic feeding device for transformer copper coil according to claim 1, characterized in that: A support is arranged on the side of the outer shaft (64), the support is hingedly connected with a support arm (7) supporting the inner shaft (63) through a side shaft (72), the support arm (7) is provided with a support groove (75) into which the inner shaft (63) is inserted, the support arm (7) is hingedly connected to the support through a support shaft, the support shaft is located on the side of the inner shaft (63), and the side shaft (72) extends in the height direction.

6. The automatic feeding device for transformer copper coil according to claim 1, characterized in that: An extension shaft (73) is fixedly connected to the end surface of the inner shaft (63) and inserted into the support groove (75), the insertion end of the extension shaft (73) is in the shape of a circular truncated cone, and a bearing is arranged in the support groove (75) and into which the insertion end of the extension shaft (73) is inserted.

7. The automatic feeding device for transformer copper coil according to claim 5, characterized in that: The support arm (7) is further provided with a push plate (74) located in the support groove (75) and an electric push rod pushing the push plate (74) into contact with the extension shaft (73).

8. The automatic feeding device for transformer copper coil according to claim 6, characterized in that: The support is further provided with a pin shaft (71) inserted into the support arm (7) and arranged in parallel with the side shaft (72).

9. The automatic feeding device for transformer copper coil according to claim 1, characterized in that: The outer shaft (64) is rotatably connected to a support (2), the support (2) is axially slidably connected to a base (1), and the base (1) is further provided with a top plate (8) extending upwardly to support the copper roll.

10. The automatic feeding device for transformer copper coils according to claim 9, characterized in that: The first rotating shaft (5) is axially connected to the support (2), and the support (2) is provided with a cylinder (3) for driving the first rotating shaft (5) to rotate, and the first rotating shaft (5) is fixedly connected with a support plate extending towards the copper roll, and the support plate is axially connected with a rotating roller (4) in contact with the copper roll.

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