CN207664831U - A kind of rotor punching laminating tool - Google Patents

Abstract

The utility model discloses a tooling for stacking rotor punching sheets, which aims at simplifying the operation in the process of stacking the rotor iron core of an asynchronous motor. Clamping plate, the upper clamping plate is arranged above the lower clamping plate, several connecting columns are arranged between the upper clamping plate and the lower clamping plate, and several connecting columns are evenly distributed around the upper clamping plate, and the lower clamping plate The side wall is provided with a number of slots corresponding to the connecting columns, and the upper clamping plate is provided with a number of through holes corresponding to the connecting columns and for the insertion of the connecting columns, and the upper end of the connecting column is provided with threaded holes. The side wall of the connecting column is provided with a notch corresponding to the slot, and the connecting column is inserted into the slot from the notch, the length of the notch is greater than the thickness of the lower clamping plate, and an external hexagonal bolt is arranged between the threaded hole and the through hole. The utility model relates to a tool for lamination of rotor punching sheets, which can simplify the operation in the lamination process of the rotor iron core of an asynchronous motor.

Description

A rotor stamping lamination tooling

technical field

The utility model relates to a kind of motor production equipment, more specifically, it relates to a rotor stamping lamination tooling.

Background technique

At present, with the improvement of automation, the use of motors is ubiquitous. For motors, the rotor is an indispensable part. At present, the existing rotor, as shown in Figure 5, includes a rotor shaft 21, a lower fastening plate 22, several punches 23, and a rotor pressure ring. The side wall of the lower fastening plate 22 is provided with a groove 25 for easy installation, and The upper end surface of the rotor pressure ring is fixedly connected with several protrusions 26 for easy installation. When the rotor is assembled, the rotor shaft 21 is first fixed, and several punches 23 of the lower fastening plate 22 and the rotor pressure ring are sequentially sleeved on the shaft, and then the several punches 23 are stacked and cast aluminum. The sidewalls of the lower fastening plate 22 of the existing rotor terminal and the rotor pressure ring are provided with several grooves 25 for easy installation.

In the past, the traditional process was to make a process shaft, stack the rotor punched pieces on the process shaft, then press and fix the rotor with a press, remove the process shaft after punching, and then press and fix the finished shaft to make it a whole; Due to the interference fit between the inner hole of the rotor punch and the shaft, an intermediate frequency heating device must be used when the shaft is inserted into the rotor core to heat the fixed rotor punch to a certain temperature before it can be smoothly inserted into the finished shaft; This method has complex process, high labor intensity, low production efficiency and high cost.

The existing tooling for asynchronous motor rotor core lamination is mainly used to fix the rotor punching sheet during use. After the punching sheet is punched by the hydraulic press, the bolts are tightened to ensure the axial size of the punching sheet; it is not suitable for Compress the rotor core by tightening the bolts.

Therefore, a new solution needs to be proposed to solve this problem.

Utility model content

Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a rotor stamping lamination tool, which can simplify the operation during the lamination process of the asynchronous motor rotor core and shorten the lamination operation time.

The above-mentioned technical purpose of the utility model is achieved through the following technical solutions: a rotor lamination tooling, including a placement seat, the upper end surface of the placement seat is threadedly connected with a lower clamping plate, and above the lower clamping plate is arranged a On the upper clamping plate, several connecting columns are arranged between the upper clamping plate and the lower clamping plate, and several connecting columns are evenly distributed around the upper clamping plate, and the side wall of the lower clamping plate is provided with several connecting columns One-to-one corresponding card slots, the upper surface of the upper clamping plate is provided with a number of through holes corresponding to the connecting column and for the insertion of the connecting column, the upper end surface of the connecting column is provided with threaded holes, and the side of the connecting column The wall is provided with a notch corresponding to the slot, and the connecting column is snapped into the slot from the position of the notch, and the length of the notch is greater than the thickness of the lower clamping plate, and an outer hexagon is arranged between the threaded hole and the through hole. bolt.

By adopting the above-mentioned technical scheme, when it is necessary to laminate the punching sheets, first insert the rotor shaft into the inner cavity of the placement seat, and at the same time, set the lower fastening plate, several punching sheets and the pressing ring on the rotor shaft in sequence, the lower fastening plate, A number of punches and compression rings are located between the lower clamping plate and the upper clamping plate, and then snap into the slot with the threaded notch of the connecting column, and the outer hexagonal bolt penetrates the through hole from top to bottom and is threaded with the threaded hole , the upper end surface of the connecting column penetrates into the through hole, and the upper end surface of the connecting column is lower than the upper surface of the upper clamping plate; when laminating the punching pieces, turn the outer hexagonal bolt to make the connecting column drive the upper clamping plate towards the lower clamping plate Move, so as to achieve the lamination of punching sheets.

The utility model is further set as: the upper surface of the lower clamping plate is provided with a fixing device for fixing the lower fastening plate, the fixing device includes a fixing groove opened on the upper surface of the lower clamping plate, and a fixing rod arranged in the fixing groove , a fixing block sleeved on the fixing rod, and a clamping block integrally formed on the end of the fixing block facing the lower fastening plate, the clamping block is clamped into the groove, and the fixing rod is arranged vertically.

By adopting the above technical solution, the rotation of the lower fastening disc can be limited by the clamping block being snapped into the groove, thereby conveniently fixing the position of the lower fastening disc.

The utility model is further configured as follows: the bottom surface of the fixing groove is provided with a connecting groove for the fixing rod to slide up and down, the inner cavity of the connecting groove is provided with a spring that pushes the fixing rod to protrude from the connecting groove, Slides flush with the bottom of the mounting slot.

By adopting the above technical solution, when the position of the lower fixed plate needs to be fixed, the fixed block is pushed towards the direction of the lower fixed plate, and the fixed block is sleeved on the fixed rod, and at the same time the clamping block is inserted into the groove of the lower fastened plate, when When separating the clamping block from the lower fastening plate, push the fixed rod to move downwards, and make the upper end surface of the fixed rod flush with the bottom surface of the fixing groove, and then drive the fixed block to move away from the lower fastening plate, so that the clamping block is fastened to the lower fastening plate. Disk separation.

The utility model is further configured as follows: the inner wall of the upper clamping plate is fixedly connected with a plurality of limit blocks corresponding to the protrusions of the pressing ring, and the limit blocks shown are inserted between two adjacent protrusions.

By adopting the above technical solution, the compression ring can be fixed and prevented from rotating by inserting the limit block between two adjacent protrusions.

The utility model is further configured as follows: the placement seat is slidably connected with a casing along the vertical direction to push several connecting columns to rotate away from the bottom surface of the card slot, and the upper end surface of the casing is arranged to be inclined outward.

By adopting the above technical solution, when the outer hexagonal bolt is loosened and the connecting column is separated from the through hole, the sleeve is driven to move upward, and the upper end surface of the sleeve is abutted against the side wall of the connecting column, and the connecting column is pushed to rotate away from the slot Thus, the connecting column is separated from the card slot, so that the upper clamping plate and the connecting column can be quickly disassembled.

The utility model is further set as follows: the side wall of the upper clamping plate is fixedly connected with several measuring plates, the measuring plates are evenly distributed around the upper clamping plate, and the measuring plates are set vertically downward, and the side walls of the measuring plate are provided with scales Wire.

By adopting the above technical scheme, the distance between the upper clamping plate and the lower clamping plate can be read through the scale lines on the measuring plate, and at the same time, whether the upper clamping plate and the lower clamping plate can be detected through the scale lines of the three measuring plates parallel.

The utility model is further configured as follows: the side wall of the card slot is provided with a chamfer that facilitates the notch of the connecting column to snap into the card slot.

By adopting the above technical solution, the notch of the connecting column can be quickly snapped into the slot by chamfering.

In summary, the utility model has the following beneficial effects:

When the rotor needs to be assembled, first insert the rotor shaft vertically into the placement seat, then set the lower fastening plate, several punches and compression rings on the rotor shaft in turn, and make the lower fastening plate abut against the lower clamp Tighten the plate, and at the same time snap the block into the groove, then set the upper clamping plate on the rotor shaft, and make the notch of the connecting column fit into the slot, and at the same time connect the upper end surface of the connecting column with the through hole through the outer hexagonal bolt , when several punches are required to be pre-stacked, turn the hexagonal bolt to move the upper clamping plate and the lower clamping plate towards each other, so that if the punches are stacked on each other, then loosen the hexagonal bolt and Make the connecting column out of the through hole, push the sleeve upward, the upper end of the sleeve abuts against the side wall of the connecting column and push the connecting column to rotate away from the bottom surface of the slot, so that the connecting column is separated from the slot, and the upper clamping plate and the lower clamp The tight plates are separated so that the rotor can be removed quickly.

Description of drawings

Fig. 1 is a structural schematic diagram 1 of the present embodiment;

Fig. 2 is the structural schematic diagram 2 of this embodiment;

Fig. 3 is a sectional view 1 of this embodiment, which is mainly used to show threaded holes and through holes;

Fig. 4 is the second cross-sectional view of this embodiment, which is mainly used to show the fixing device;

Fig. 5 is a structural schematic diagram of a conventional rotor.

In the figure: 1. Placement seat; 2. Lower clamping plate; 3. Upper clamping plate; 4. Connecting column; 5. Card slot; 6. Notch; 7. Threaded hole; 8. Through hole; 9. Fixed Groove; 10, connecting groove; 11, fixed rod; 12, spring; 13, fixed block; 14, clamping block; 15, limit block; 16, bushing; Hex nut; 20, chamfer; 21, rotor shaft; 22, lower fastening plate; 23, punching piece; 24, pressing ring; 25, groove; 26, bump.

Detailed ways

Below in conjunction with accompanying drawing and embodiment, the utility model is described in detail.

A rotor stamping stacking tool, as shown in Figure 1 and Figure 2, includes a placement seat 1, which is arranged in a circular tube shape, and the upper end surface of the placement seat 1 is threadedly connected with a lower clamping plate 2, and the lower clamping plate The tightening plate 2 is arranged in a circular shape, and the outer diameter of the lower clamping plate 2 is greater than the outer diameter of the placement seat 1. An upper clamping plate 3 is arranged above the lower clamping plate 2, and the upper clamping plate 3 is arranged in a circular shape. Four connecting columns 4 are arranged between the upper clamping plate 3 and the lower clamping plate 2 . The side wall of the lower clamping plate 2 is provided with four slots 5, and the side wall of the connecting column 4 is provided with a gap 6 corresponding to the slot 5, and the length of the gap 6 is greater than the thickness of the lower clamping plate 2, so that the connecting column 4 The position of the notch 6 can be snapped into the corresponding slot 5, as shown in Figure 3, the upper end surface of the connecting column 4 is provided with a threaded hole 7, and the upper end surface of the upper clamping plate 3 is provided with a through hole 8 corresponding to the threaded hole 7 , the connecting column 4 can be penetrated into the through hole 8, and an external hexagon bolt 19 is threadedly connected between the through hole 8 and the threaded hole 7. When it is necessary to stack the punches 23 in this way, the rotor shaft 21 is first inserted into the inner cavity of the placement seat 1, and at the same time, the lower fastening plate 22, several punches 23 and the compression ring 24 are sleeved on the rotor shaft 21 in sequence, and the lower fastening The disk 22, several punches 23 and the compression ring 24 are located between the lower clamping plate 2 and the upper clamping plate 3, and then snap into the slot 5 at the position of the thread gap 6 of the connecting column 4, and the outer hexagonal bolt 19 is from the top to the bottom. Penetrate through the through hole 8 and threadedly connect with the threaded hole 7, the upper end surface of the connecting column 4 penetrates into the through hole 8, and the upper end surface of the connecting column 4 is lower than the upper end surface of the upper clamping plate 3; when the punching piece 23 is laminated, Turning the outer hexagonal bolt 19 makes the connecting column 4 drive the upper clamping plate 3 to move towards the lower clamping plate 2, so as to stack the punching pieces 23.

In order to fix the position of the lower fastening plate 22 conveniently, as shown in Figure 2 and Figure 4, the lower clamping plate 2 is provided with a fixing device, the fixing device includes a fixing groove 9 opened on the upper end surface of the lower clamping plate 2, and the length of the fixing groove 9 is The direction is arranged radially along the lower clamping plate 2, the bottom surface of the fixing groove 9 is provided with a connecting groove 10, and a fixing rod 11 is slidably connected in the connecting groove 10 along the vertical direction, and the fixing rod 11 can slide to be flush with the bottom surface of the fixing groove 9, And the connecting groove 10 is provided with a spring 12 that pushes the fixing rod 11 to protrude from the bottom surface of the fixing groove 9; the fixing rod 11 is provided with a fixing block 13, and the fixing block 13 is slidably connected to the fixing groove 9, and the fixing block 13 is fastened downward One end of the disc 22 is integrally formed with a clamping block 14 , which is arranged in a cuboid shape, and the clamping block 14 can be clamped into the groove 25 of the lower fastening disc 22 . In this way, when the position of the lower fixed plate needs to be fixed, the fixed block 13 is pushed toward the direction of the lower fixed plate, and the fixed block 13 is sleeved on the fixed rod 11, and the clamp block 14 is snapped into the groove 25 of the lower fastened plate 22 simultaneously. When the clamping block 14 is separated from the lower fastening disk 22, push the fixed rod 11 to move downward, and make the upper end surface of the fixed rod 11 flush with the bottom surface of the fixed groove 9, then drive the fixed block 13 to move away from the lower fastening disk 22, Thus, the clamping block 14 is separated from the lower fastening disc 22 .

In order to facilitate the fixing of the position of the compression ring 24, as shown in Figure 1, the inner wall of the upper clamping plate 3 is fixedly connected with several limit blocks 15 corresponding to the protrusions 26 of the compression ring 24, and the limit blocks 15 can be inserted Between two adjacent protrusions 26 . In this way, the compression ring 24 can be fixed and prevented from rotating by inserting the limiting block 15 between two adjacent protrusions 26 .

In order to quickly disassemble the upper clamping plate 3, as shown in Figure 3, the placement seat 1 is slid and connected with a sleeve 16 along the vertical direction, the sleeve 16 is sleeved on the placement seat 1, and the upper end surface of the sleeve 16 is The upper end surface of the sleeve 16 abuts against the side wall of the connecting column 4 and can push the connecting column 4 so that the connecting column 4 rotates away from the locking groove 5 . In this way, when the outer hexagonal bolt 19 is loosened and the connecting column 4 is separated from the through hole 8, the drive sleeve 16 moves upward, and the upper end surface of the sleeve 16 is abutted against the side wall of the connecting column 4, and the connecting column 4 is pushed away from the slot 5 direction to make the connecting column 4 disengage from the slot 5, so that the upper clamping plate 3 and the connecting column 4 can be disassembled quickly.

In order to facilitate the measurement of the height of several punches 23 stacked, as shown in Figure 1, three measuring plates 17 are fixedly connected to the side wall of the upper clamping plate 3, and the three measuring plates 17 are evenly distributed around the upper clamping plate 3, and The measuring board 17 is arranged vertically downward, and the side wall of the measuring board 17 is provided with a scale line 18 . In this way, the distance between the upper clamping plate 3 and the lower clamping plate 2 can be read through the scale line 18 on the measuring plate 17, and the upper clamping plate 3 and the lower clamping plate can be detected by the scale lines 18 of the three measuring plates 17 simultaneously. Whether plate 2 is parallel.

In order to facilitate the fast snapping of the notch 6 of the connecting column 4 into the card slot 5, as shown in Figure 1, the side wall of the card slot 5 is provided with a chamfer 20; in this way, the chamfer 20 facilitates the fast snapping of the notch 6 of the connecting post 4 into the card slot within 5.

When the rotor needs to be assembled, first insert the rotor shaft 21 vertically into the placement seat 1, then sequentially set the lower fastening plate 22, several punches 23 and compression rings 24 on the rotor shaft 21 in turn, and make the lower fastening The disk 22 abuts against the lower clamping plate 2, and at the same time clamps the clamping block 14 into the groove, then sets the upper clamping plate 3 on the rotor shaft 21, and makes the gap 6 of the connecting column 4 clamp into the clamping groove 5, At the same time, the upper end surface of the connecting column 4 is connected to the position of the through hole 8 through the outer hexagonal bolt 19. When several punches 23 are required to be pre-stacked, the outer hexagonal bolt 19 is screwed so that the upper clamping plate 3 and the lower clamping plate 2 face each other. Move, so that if each punching piece 23 overlaps each other, then loosen the outer hexagonal bolt 19 and make the connecting column 4 break away from the through hole 8, push the sleeve 16 upward, and the upper end surface of the sleeve 16 abuts against the side of the connecting column 4 wall and push the connecting column 4 to rotate away from the bottom surface of the clamping groove 5, so that the connecting column 4 is separated from the clamping groove 5, and the upper clamping plate 3 is separated from the lower clamping plate 2, so that the rotor can be quickly taken out.

The above descriptions are only preferred implementations of the present utility model, and the protection scope of the present utility model is not limited to the above-mentioned embodiments, and all technical solutions under the idea of the present utility model all belong to the protection scope of the present utility model. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principle of the utility model should also be regarded as the protection scope of the utility model.

Claims (7)

1. A tooling for stacking rotor punching, including a placement seat (1), the upper end of the placement seat (1) is threadedly connected with a lower clamping plate (2), and an upper clamp is arranged above the lower clamping plate (2) There are several connecting columns (4) between the clamping plate (3), the upper clamping plate (3) and the lower clamping plate (2), and several connecting columns (4) are evenly distributed around the upper clamping plate (3) , characterized in that: the side wall of the lower clamping plate (2) is provided with several slots (5) corresponding to the connecting columns (4), and the upper end of the upper clamping plate (3) is provided with several A through hole (8) corresponding to the connecting column (4) and for the insertion of the connecting column (4), the upper end surface of the connecting column (4) is provided with a threaded hole (7), the side of the connecting column (4) There is a notch (6) corresponding to the card slot (5) on the wall, the connecting column (4) is snapped into the card slot (5) from the notch (6), and the notch (6) is longer than the lower clip To tighten the thickness of the plate (2), an outer hexagonal bolt (19) is arranged between the threaded hole (7) and the through hole (8). 2. A rotor stamping lamination tool according to claim 1, characterized in that: the upper end surface of the lower clamping plate (2) is provided with a fixing device for fixing the lower fastening plate (22), and the fixing device includes The fixing groove (9) set on the upper end surface of the lower clamping plate (2), the fixing rod (11) set in the fixing groove (9), the fixing block (13) sleeved on the fixing rod (11) . The clamping block (14) integrally formed on the end of the fixing block (13) facing the lower fastening plate (22), the clamping block (14) snaps into the groove (25), and the fixing rod (11) is vertical set up. 3. A tool for lamination of rotor stampings according to claim 2, characterized in that: the bottom surface of the fixing groove (9) is provided with a connecting groove (10) for the fixing rod (11) to slide up and down, The inner cavity of the connecting groove (10) is provided with a spring (12) that pushes the fixing rod (11) to protrude from the connecting groove (10), and the upper end surface of the fixing rod (11) can slide to be flush with the bottom surface of the fixing groove (9) flat. 4. A rotor stamping lamination tool according to claim 2, characterized in that: the inner wall of the upper clamping plate (3) is fixedly connected with several protrusions (26) with the compression ring (24) The corresponding limit block (15), the limit block (15) shown is passed between two adjacent protrusions (26). 5. A rotor stamping lamination tooling according to claim 1, characterized in that: the placement seat (1) is slidably connected in the vertical direction to push several connecting columns (4) away from the card slot (5 ) the casing (16) whose bottom surface rotates, and the upper end surface of the casing (16) is inclined outwards. 6. A rotor stamping lamination tool according to claim 1, characterized in that several measuring plates (17) are fixedly connected to the side wall of the upper clamping plate (3), and the measuring plates (17) surround The upper clamping plates (3) are evenly distributed, and the measuring plate (17) is arranged vertically downward, and the side wall of the measuring plate (17) is provided with a scale line (18). 7. A rotor stamping lamination tooling according to claim 1, characterized in that: the side wall of the slot (5) is provided with a notch (6) for the connecting column (4) to snap into the slot Chamfer (20) of (5).