Manufacturing and conveying equipment for motor short circuit ring

Abstract

The utility model discloses manufacturing and conveying equipment for a motor short circuit ring, which comprises a conveying device, an upper die and a lower die, the upper die is matched with the lower die, the conveying device intermittently and quantitatively conveys a copper bar, the upper die is used for punching the copper bar passing through the lower die through lifting and punching of a lifting mechanism and bending the copper bar into a U-shaped short circuit ring, the sliding rail is obliquely arranged, and the shifting piece moves through a driving device. The lower die comprises a limiting part and a forming part, the limiting part limits a copper bar and cuts off the copper bar when the limiting part is matched with the upper die, the forming part is in an inverted U shape and is fixedly arranged at the high position of the sliding rail and matched with the upper die to form the cut-off copper bar into a short circuit ring, and the shifting piece is driven by the driving device to push the formed short circuit ring to the sliding rail. And the short circuit ring is conveyed on the slide rail in a sliding manner. The utility model provides the manufacturing and conveying equipment for the motor short-circuit ring, which realizes automatic manufacturing and orderly conveying of the short-circuit ring and is efficient.

Description

Technical Field

[0001] The utility model relates to a production and conveying device for a motor short-circuit ring, belonging to the technical field of motor production equipment. Background Art

[0002] In order to improve the current collection efficiency and increase the service life of the motor, when making the stator, after multiple stator punching sheets are stacked, a short-circuit ring is added to the short-circuit ring groove of the punching sheet, and then the short-circuit ring is fixed on the stator punching sheet through clamping, closing and other operations. The short-circuit ring is usually made of copper bars that are bent into a U shape and then installed on the stator punching sheet. Currently, the short-circuit rings need to be punched one by one during production, and the U-shaped short-circuit rings after stamping need to be sorted before transportation, which is not conducive to improving efficiency. Summary of the invention

[0003] The technical problem to be solved by the utility model is to provide a production and conveying device for a motor short-circuit ring, so as to realize automatic production and orderly conveying of the short-circuit ring, improve efficiency and solve the shortcomings of the prior art.

[0004] The technical scheme of the utility model is: a kind of production and conveying equipment for motor short-circuit rings, comprising a conveying device, an upper die and a lower die matched with each other, the conveying device intermittently and quantitatively conveys the copper bars, the upper die is lifted and pressed by a lifting mechanism to break the copper bars passing through the lower die and bend them into a U-shaped short-circuit ring, comprising an inclined slide rail and a shifter moved by a driving device, the lower die comprises a limiting part and a forming part, the limiting part limits the position of the copper bars and cuts the copper bars when matched with the upper die, the forming part is inverted U-shape, fixedly arranged at a high position of the slide rail and matched with the upper die to shape the cut copper bars into a short-circuit ring, the shifter is driven by the driving device to push the formed short-circuit ring onto the slide rail, so that the short-circuit ring is slidably conveyed on the slide rail.

[0005] Furthermore, the slide rail is U-shaped, with a forming portion having a lower die in the middle, and the pusher is driven to move back and forth by a driving device to push the formed short-circuit rings to both sides one by one.

[0006] Furthermore, the conveying device includes a clamping mechanism and a driving mechanism. The clamping mechanism is driven by the driving mechanism to reciprocate along the length direction of the copper bar. The clamping mechanism includes a base and a cylinder arranged above the base. A pressure plate is connected to the telescopic rod of the cylinder. The pressure plate is clamped in cooperation with the base through the extension and retraction of the cylinder.

[0007] It further comprises a plurality of groups of limiting rollers, which are in rolling cooperation with the copper bars to limit the copper bars in up and down directions and left and right directions, thereby realizing the linear conveyance of the copper bars.

[0008] By implementing the utility model, the copper strip is conveyed to the lower die in a fixed length each time through the conveying device, the upper die is lifted and pressed by the lifting mechanism to break the copper strip and form a short-circuit ring at the forming part of the lower die, and the shifting piece is driven by the driving device to push the short-circuit ring on the forming part onto the slide rail, so that the short-circuit ring is slidably conveyed on the slide rail, and this cycle is repeated to realize the automatic production and orderly conveyance of the short-circuit ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 A schematic diagram of one side of the present invention;

[0010] Figure 2 is a schematic diagram of the other side of the present invention;

[0011] Figure 3 for Figure 2 Enlarged view of point A.

[0012] As shown in the figure: upper die 1; lower die 2; copper bar 3; motor 4; base 5; cylinder 6; pressure plate 7; machine base 8; screw assembly 9; slide rail 10; puller 11; limiting part 12; forming part 13; short-circuit ring 14; limiting roller 15. DETAILED DESCRIPTION

[0013] Embodiments of the present utility model: Figures 1 to 3 As shown, a conveying device for making a motor short-circuit ring includes a conveying device, an upper mold 1 and a lower mold 2 that match each other. The conveying device is used for intermittent quantitative conveying of a copper bar 3, including a clamping mechanism that is driven by a driving mechanism to reciprocate along the length direction of the copper bar 3, wherein the clamping mechanism includes a base 5 and a cylinder 6 arranged above the base 5, a pressing plate 7 is connected to the telescopic rod of the cylinder 6, and the pressing plate 7 is clamped and placed in cooperation with the base 5 through the extension and contraction of the cylinder 6. When in use, the copper bar 3 is located between the base 5 and the pressing plate 7, the cylinder 6 is extended to clamp the copper bar 3 between the base 5 and the pressing plate 7, the driving mechanism drives it to move forward for a certain displacement, the cylinder 6 retracts, and no longer clamps the copper bar 3, the driving mechanism clamping mechanism moves backward and resets, and the intermittent quantitative conveying of the copper bar 3 is achieved in this reciprocating manner, wherein the driving mechanism includes a machine base 8 and a cylinder 6 arranged on the machine base 8. The motor 4 and the screw assembly 9 driven by the motor 4, the base 6 is provided with a guide rail slidingly connected with the base 5, the screw assembly 5 is spirally connected to the base 5, the motor 4 realizes the reciprocating movement of the clamping mechanism by the forward and reverse rotation of the screw assembly 9, the present application also includes an inclined slide rail 10, a shifter 11 moved by a driving device 13, the lower mold 2 includes a limiting portion 12 and a forming portion 13, the limiting portion 12 limits the copper bar 3 so that the copper bar 3 can be cut off when it cooperates with the upper mold 2, the forming portion 13 is an inverted U-shape, fixed at a high position of the slide rail 10 and cooperates with the upper mold 2 to shape the cut copper bar into a U-shaped short-circuit ring 14, the shape of the rail 10 is similar to the forming portion 13, the shifter 11 is driven by the driving device 13 to push the formed short-circuit ring 14 onto the slide rail 10, so that the short-circuit ring 14 slides and is transported downward on the slide rail 10.

[0014] As a preferred embodiment, the slide rail 10 is U-shaped, with a forming portion 13 with a lower mold 2 in the middle. The pusher 11 is driven to move back and forth by a driving device 13, and the driving device 13 is a cylinder, a screw assembly, etc. When reciprocating, the molded short-circuit ring is pushed to one side of the slide rail 10 for the first time, and the molded short-circuit ring is pushed to the other side of the slide rail 10 for the second time, and is pushed to both sides one by one. The pusher 11 reciprocates once to complete two-way pushing of the short-circuit ring, thereby improving the conveying efficiency.

[0015] As a preferred embodiment, several groups of limiting rollers 15 are included, and the several groups of limiting rollers 15 roll with the copper bars 3 to limit the copper bars 3 in the up and down and left and right directions before being conveyed through the conveying device, thereby ensuring the linear conveyance of the copper bars 3.

Claims

1. A conveying device for making a motor short-circuit ring, comprising a conveying device, an upper die and a lower die that match each other, wherein the conveying device intermittently and quantitatively conveys the copper strips, and the upper die is lifted and pressed by a lifting mechanism to break the copper strips passing through the lower die and bend them into a U-shaped short-circuit ring, characterized in that: It includes an inclined slide rail and a shifter moved by a driving device. The lower die includes a limiting part and a forming part. The limiting part limits the copper bar and cuts the copper bar when cooperating with the upper die. The forming part is in an inverted U shape and is fixed at a high position of the slide rail and cooperates with the upper die to shape the cut copper bar into a short-circuit ring. The shifter is driven by the driving device to push the formed short-circuit ring onto the slide rail, so that the short-circuit ring is slidably transported on the slide rail.

2. The production and conveying equipment for the motor short-circuit ring according to claim 1 is characterized in that: The slide rail is U-shaped, with a forming portion having a lower die in the middle. The pusher is driven to move back and forth by a driving device to push the formed short-circuit rings to both sides one by one.

3. The production and conveying equipment for the motor short-circuit ring according to claim 1 or 2, characterized in that: The conveying device includes a clamping mechanism and a driving mechanism. The clamping mechanism is driven by the driving mechanism to reciprocate along the length direction of the copper bar. The clamping mechanism includes a base and a cylinder arranged above the base. A pressing plate is connected to the telescopic rod of the cylinder. The pressing plate is clamped in cooperation with the base through the extension and retraction of the cylinder.

4. The production and conveying equipment for the motor short-circuit ring according to claim 3 is characterized in that: It comprises a plurality of groups of limiting rollers, which are in rolling cooperation with the copper bars to limit the copper bars in up and down directions and left and right directions, so as to realize the straight-line conveyance of the copper bars.

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