Square motor punching sheet overlying device with right-angle positioning function

Abstract

The utility model relates to a square motor punching sheet overlying device with a right-angle positioning function. The square motor punching sheet overlying device comprises an inner circle positioning die, an upper pressing plate, a lower pressing plate, a right-angle positioning plate, a sliding plate, a locking vertical plate and a locking screw, the inner circle positioning die is in a cylinder shape. The cross section shape of the inner circle positioning die is matched with the inner circle shape of the punching sheet; the lower pressing plate is in a square sheet shape; the outline of the cross section of the lower pressing plate is matched with the outline of the punching sheet; the upper pressing plate is in a square sheet shape; the outline of the cross section of the upper pressing plate is matched with the outline of the punching sheet; the right-angle positioning plate is cylindrical; the cross section of the right-angle positioning plate is L-shaped, and the included angle between two surfaces of the inner side of the right-angle positioning plate is a right angle; the locking vertical plate comprises a locking back plate and a side panel; the included angle between the locking back plate and the two faces of the inner side of the side face plate is a right angle. The sliding plate is movably connected with the locking vertical plate through a locking screw arranged on the locking back plate. According to the utility model, the iron core of the square motor punching sheet cannot rotate, distort and deform in the lamination and welding processes.

Description

Technical Field

[0001] The utility model relates to the technical field of square motor punching lamination stacking, in particular to a square motor punching lamination stacking device with right-angle positioning. Background Art

[0002] like Figure 1 , Figure 2 , Figure 3 As shown, the punching piece 1 of the square motor is positioned in the height direction by the inner circle positioning die 2 so that the inner circle of the punching piece remains concentric. The punching piece is pressed by a device (hydraulic press) and then welded to form an integral "iron core".

[0003] The defects of the prior art are:

[0004] Since the inner circle of the punching sheet is used for positioning only during the lamination process, the circumferential rotation of the punching sheet cannot be controlled, which causes the iron core of the motor to rotate and twist during the lamination and welding process. Summary of the invention

[0005] In view of the above problems, the utility model provides a square motor punching lamination lamination device with right-angle positioning, which aims to prevent the iron core of the square motor punching from rotating, twisting and deforming during the lamination and welding process.

[0006] In order to solve the above problems, the technical solution provided by the utility model is:

[0007] A square motor punching lamination lamination device with right-angle positioning comprises an inner circle positioning die, an upper pressing plate, a lower pressing plate, a right-angle positioning plate, a sliding plate, a locking vertical plate, and a locking screw, wherein:

[0008] The inner circle positioning die is cylindrical in shape; the cross-sectional shape of the inner circle positioning die matches the inner circle shape of the punching sheet;

[0009] The lower pressing plate is in the shape of a square sheet; the cross-sectional profile of the lower pressing plate matches the profile of the punching sheet;

[0010] The center of the lower pressing plate is provided with an inner hole of the lower pressing plate; the inner circle positioning die passes through the inner hole of the lower pressing plate and is movably connected with the lower pressing plate;

[0011] The upper pressing plate is in the shape of a square sheet; the cross-sectional profile of the upper pressing plate matches the profile of the punching sheet;

[0012] An inner hole of the upper pressing plate is arranged at the center of the upper pressing plate; the inner circle positioning die passes through the inner hole of the upper pressing plate and is movably connected to the upper pressing plate;

[0013] The right-angle positioning plate is in the shape of a column; the cross section of the right-angle positioning plate is in the shape of an L, and the angle between the two inner surfaces of the right-angle positioning plate is a right angle;

[0014] The bottom of the right-angle positioning plate is fixed to a right angle of the lower pressing plate by screws;

[0015] One corner of the upper pressing plate is aligned with the inner side of the right-angle positioning plate;

[0016] The locking vertical plate comprises a locking back plate and a side plate; the angle between the locking back plate and the two inner surfaces of the side plate is a right angle;

[0017] The bottom of the locking vertical plate is fixed to a right angle of the lower pressing plate by screws;

[0018] The sliding plate is movably connected to the locking vertical plate through the locking screws arranged on the locking back plate.

[0019] Preferably, a T-shaped slider is provided at the bottom of the sliding plate; the T-shaped slider is arranged in the lower pressing plate T-shaped groove of the lower pressing plate, and is used to limit the sliding plate from sliding in the vertical direction along the inner side surface of the locking back plate.

[0020] Preferably, two locking vertical plates are provided; one locking vertical plate is provided on each of two adjacent right angles on both sides of the connection between the lower pressing plate and the right-angle positioning plate.

[0021] Preferably, welding windows for welding punching sheets are provided on two side surfaces of the right-angle positioning plate.

[0022] Preferably, the inner circle positioning die is matched with the inner hole of the lower pressing plate with a small clearance;

[0023] The inner circle positioning die is matched with the inner hole of the upper pressing plate with a small gap.

[0024] Preferably, a stator core pressure plate is provided at the bottom of the punching sheet; a stator core pressure plate stop is provided at the contact position between the inner side of the stator core pressure plate and the lower pressure plate; a lower pressure plate groove is provided at a position corresponding to the stator core pressure plate stop on the lower pressure plate; the shape of the lower pressure plate groove matches the convex shape of the stator core pressure plate stop;

[0025] The stator core pressure plate is provided on the top of the punching sheet; the stator core pressure plate stop is provided at the contact position between the inner side of the stator core pressure plate and the upper pressure plate; an upper pressure plate groove is provided on the upper pressure plate at a position corresponding to the stator core pressure plate stop; the shape of the upper pressure plate groove matches the protruding shape of the stator core pressure plate stop.

[0026] Preferably, a lower pressing plate stopper is provided on the inner hole of the lower pressing plate; the top plane of the lower pressing plate stopper is flush with the bottom plane of the punching sheet; the side outer ring of the lower pressing plate stopper is matched with the inner ring of the stator core pressing plate with a small gap;

[0027] An upper pressure plate stop is provided on the inner hole of the upper pressure plate; the bottom plane of the upper pressure plate stop is flush with the top plane of the punching sheet; the side outer ring of the upper pressure plate stop is matched with the inner ring of the stator core pressure plate with a small gap.

[0028] Preferably, the outer contour of the stator core pressing plate matches the outer contour of the punching sheet; and the outer dimension of the stator core pressing plate is smaller than the outer dimension of the punching sheet.

[0029] Preferably, a semicircular groove and a key groove are provided on the outer side of the stator core pressure plate and at positions corresponding to the punching sheet;

[0030] The semicircular groove and the key groove are provided on the outer side of the lower pressing plate at positions corresponding to the punching sheet;

[0031] The semicircular groove and the key groove are provided at the outer side of the upper pressing plate and at the corresponding positions of the punching sheet.

[0032] Preferably, the outer side of the right-angle positioning plate is provided with reinforcing ribs;

[0033] The reinforcing ribs are arranged on the outer side of the locking back plate.

[0034] Compared with the prior art, the utility model has the following advantages:

[0035] Since the utility model uses the die with the right-angle positioning plate to position the punching sheet of the square motor in the circumferential direction, the iron core of the punching sheet cannot rotate, twist or deform during the lamination and welding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 It is a three-dimensional structural schematic diagram of the positioning punch of the inner circle positioning die of the prior art of the utility model;

[0037] Figure 2 It is a cross-sectional schematic diagram of a positioning punch of an inner circle positioning die of the prior art of the utility model;

[0038] Figure 3 It is a schematic front view of the positioning punch of the inner circle positioning die of the prior art of the utility model;

[0039] Figure 4 It is a three-dimensional structural schematic diagram of a square motor punching lamination stacking device with right-angle positioning according to a specific embodiment of the utility model;

[0040] Figure 5 It is a schematic diagram of the front three-dimensional structure of a square motor punching lamination device with right-angle positioning after laminating the punchings in a specific embodiment of the utility model;

[0041] Figure 6It is a schematic diagram of the back three-dimensional structure of the square motor punching lamination lamination device with right-angle positioning after lamination of the punching laminations according to a specific embodiment of the utility model;

[0042] Figure 7 A specific embodiment of the utility model Figure 6 An enlarged schematic diagram of the A region in FIG.

[0043] Figure 8 It is a schematic front view of a square motor punching lamination lamination device with right-angle positioning after lamination of punchings in a specific embodiment of the utility model;

[0044] Fig. 9 It is a schematic top view of a square motor punching lamination lamination device with right-angle positioning after lamination of punchings in a specific embodiment of the utility model;

[0045] Fig.10 A specific embodiment of the utility model Figure 8 An enlarged schematic diagram of region B in FIG.

[0046] Fig.11 A specific embodiment of the utility model Figure 8 An enlarged schematic diagram of the C region in FIG.

[0047] Among them: 1. Punch, 2. Inner circle positioning die, 3. Upper pressure plate, 4. Lower pressure plate, 5. Right angle positioning plate, 6. Sliding plate, 7. Locking vertical plate, 8. Locking screw, 9. Welding window, 10. Stator core pressure plate, 11. Semicircular groove, 12. Keyway, 13. Standard key, 3.1. Inner hole of upper pressure plate, 3.3. Groove of upper pressure plate, 3.4. Stopper of upper pressure plate, 4.1. Inner hole of lower pressure plate, 4.2. T-slot of lower pressure plate, 4.3. Groove of lower pressure plate, 4.4. Stopper of lower pressure plate, 6.1. T-slider, 7.1. Locking back plate, 7.2. Side panel, 10.1. Stopper of stator core pressure plate DETAILED DESCRIPTION

[0048] The present invention is further explained below in conjunction with specific embodiments. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0049] like Figure 4 As shown, a square motor punching lamination device with right-angle positioning comprises an inner circle positioning die 2, an upper pressing plate 3, a lower pressing plate 4, a right-angle positioning plate 5, a sliding plate 6, a locking vertical plate 7, and a locking screw 8, wherein:

[0050] The inner circle positioning die 2 is cylindrical in shape; the cross-sectional shape of the inner circle positioning die 2 matches the inner circle shape of the punching sheet 1 .

[0051] The lower pressing plate 4 is in the shape of a square sheet; the cross-sectional profile of the lower pressing plate 4 matches the profile of the punching sheet 1 .

[0052] A lower pressing plate inner hole 4.1 is provided at the center of the lower pressing plate 4; the inner circle positioning die 2 passes through the lower pressing plate inner hole 4.1 and is movably connected to the lower pressing plate 4.

[0053] The upper pressing plate 3 is in the shape of a square sheet; the cross-sectional profile of the upper pressing plate 3 matches the profile of the punching sheet 1 .

[0054] An upper pressing plate inner hole 3.1 is provided at the center of the upper pressing plate 3; the inner circle positioning die 2 passes through the upper pressing plate inner hole 3.1 and is movably connected to the upper pressing plate 3.

[0055] The right-angle positioning plate 5 is in the shape of a column; the cross section of the right-angle positioning plate 5 is in an L shape, and the angle between the two inner surfaces of the right-angle positioning plate 5 is a right angle.

[0056] The bottom of the right-angle positioning plate 5 is fixed at a right angle of the lower pressing plate 4 by screws.

[0057] One corner of the upper pressing plate 3 is aligned with the inner side of the right-angle positioning plate 5 .

[0058] The locking vertical plate 7 comprises a locking back plate 7.1 and a side panel 7.2; the angle between the inner two surfaces of the locking back plate 7.1 and the side panel 7.2 is a right angle.

[0059] The bottom of the locking vertical plate 7 is fixed at a right angle to the lower pressing plate 4 by screws.

[0060] The sliding plate 6 is movably connected to the locking vertical plate 7 via a locking screw 8 provided on the locking back plate 7.1.

[0061] The locking screw 8 is used to push the sliding plate 6 .

[0062] like Fig.11 As shown, it should be noted that a T-shaped slider 6.1 is provided at the bottom of the sliding plate 6; the T-shaped slider 6.1 is arranged in the lower pressing plate T-shaped groove 4.2 of the lower pressing plate 4, and is used to limit the sliding plate 6 from sliding in the vertical direction along the inner side surface of the locking back plate 7.1.

[0063] It should be noted that two locking vertical plates 7 are provided; one locking vertical plate 7 is provided on each of two adjacent right angles on both sides of the connection between the lower pressing plate 4 and the right-angle positioning plate 5 .

[0064] It should be noted that welding windows 9 for welding punching sheets are provided on two side surfaces of the right-angle positioning plate 5, so as to weld the punching sheets 1 into an integral iron core.

[0065] It should be further explained that the welding window 9 is convenient for inserting the standard key 13 and will not block the key slot 12 for welding.

[0066] It should be noted that the inner circle positioning die 2 and the inner hole 4.1 of the lower pressing plate are matched with a small gap; the inner circle positioning die 2 and the inner hole 3.1 of the upper pressing plate are matched with a small gap.

[0067] like Figure 8 , Fig. 9 , Fig.10 , Fig.11 As shown, it should be noted that a stator core pressure plate 10 is provided at the bottom of the punching sheet 1; a stator core pressure plate stop 10.1 is provided at the contact position between the inner side of the stator core pressure plate 10 and the lower pressure plate 4; a lower pressure plate groove 4.3 is provided at the corresponding position of the stator core pressure plate stop 10.1 on the lower pressure plate 4; the shape of the lower pressure plate groove 4.3 matches the convex shape of the stator core pressure plate stop 10.1.

[0068] A stator core pressure plate 10 is provided on the top of the punching sheet 1; a stator core pressure plate stop 10.1 is provided at the contact position between the inner side of the stator core pressure plate 10 and the upper pressure plate 3; an upper pressure plate groove 3.3 is provided on the upper pressure plate 3 at a position corresponding to the stator core pressure plate stop 10.1; the shape of the upper pressure plate groove 3.3 matches the convex shape of the stator core pressure plate stop 10.1.

[0069] It should be further explained that the lower pressure plate groove 4.3 and the upper pressure plate groove 3.3 are used to avoid the stator core pressure plate stop 10.1 and ensure that the lower pressure plate 4 and the upper pressure plate 3 can contact the stator core pressure plate 10 and the punching sheet 1 at the same time to prevent the punching sheet 1 from bouncing open.

[0070] It should be noted that a lower pressure plate stop 4.4 is provided on the inner hole 4.1 of the lower pressure plate; the top plane of the lower pressure plate stop 4.4 is flush with the bottom plane of the punching sheet 1; the side outer ring of the lower pressure plate stop 4.4 is matched with the inner ring of the stator core pressure plate 10 with a small gap.

[0071] An upper pressure plate stop 3.4 is provided on the inner hole 3.1 of the upper pressure plate; the bottom plane of the upper pressure plate stop 3.4 is flush with the top plane of the punching sheet 1; the side outer ring of the upper pressure plate stop 3.4 is matched with the inner ring of the stator core pressure plate 10 with a small gap.

[0072] It should be noted that the outer contour of the stator core pressure plate 10 matches the outer contour of the punching sheet 1; since the stator core pressure plate 10 has a larger processing error relative to the punching sheet 1, the outer dimension of the stator core pressure plate 10 is smaller than the outer dimension of the punching sheet 1, thereby ensuring that the sliding plate 6 will not squeeze the stator core pressure plate 10.

[0073] It should be noted that a semicircular groove 11 and a key groove 12 are provided on the outer side of the stator core pressure plate 10 at positions corresponding to the punching sheet 1 .

[0074] A semicircular groove 11 and a key groove 12 are provided on the outer side of the lower pressing plate 4 and at positions corresponding to the punching sheet 1 .

[0075] A semicircular groove 11 and a key groove 12 are provided on the outer side of the upper pressing plate 3 at positions corresponding to the punching sheet 1 .

[0076] It should be noted that a reinforcing rib 14 is provided on the outer side of the right-angle positioning plate 5; and a reinforcing rib 14 is provided on the outer side of the locking back plate 7.1.

[0077] like Figure 5 , Figure 6 , Figure 7 As shown, it should be noted that the specific implementation process of the utility model includes the following steps:

[0078] S1. Place the inner circle positioning die 2 in the inner hole 4.1 of the lower pressing plate.

[0079] S2. Insert the stator core pressing plate 10 at the bottom into the inner circle positioning die 2, and then stack the punching sheets 1 in sequence, and finally put another stator core pressing plate 10 on the upper part of the punching sheet 1; during the stacking process of the punching sheet 1, the inner circle of the punching sheet 1 is positioned by the inner circle positioning die 2.

[0080] S3. Tighten the locking screws 8 on the two locking vertical plates 7 so that the locking screws 8 push against the sliding plate 6, and then the sliding plate 6 pushes the punching piece 1 against the right-angle positioning plate 5, and the right-angle positioning plate 5 arranges the punching piece 1 neatly.

[0081] S4. Use a hydraulic press to press the upper pressing plate 3 so that the punching sheet 1, the stator core pressing plate 10, and the lower pressing plate 4 are pressed tightly.

[0082] S5. While maintaining the pressure, insert the standard key 13 into each key slot 12, and then weld the punching sheet 1, the stator core pressure plate 10 through the semicircular groove 11 and the key slot 12 thereon into a whole.

[0083] In the above detailed description, various features are grouped together in a single embodiment to simplify the disclosure. This method of disclosure should not be interpreted as reflecting an intention that the embodiments of the claimed subject matter require more features than are clearly stated in each claim. On the contrary, as reflected in the appended claims, the invention is in a state of having less than all the features of the disclosed individual embodiments. Therefore, the appended claims are hereby expressly incorporated into the detailed description, with each claim standing on its own as a separate preferred embodiment of the invention.

[0084] The disclosed embodiments are described above to enable any person skilled in the art to implement or use the present invention. Various modifications of these embodiments are obvious to those skilled in the art, and the general principles defined herein may also be applied to other embodiments without departing from the spirit and scope of the present disclosure. Therefore, the present disclosure is not limited to the embodiments given herein, but is consistent with the broadest scope of the principles and novel features disclosed in this application.

[0085] The above description includes examples of one or more embodiments. Of course, it is not possible to describe all possible combinations of components or methods for the purpose of describing the above embodiments, but it should be recognized by those skilled in the art that the various embodiments may be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications and variations that fall within the scope of protection of the appended claims. In addition, with respect to the term "comprising" used in the specification or claims, the word is covered in a manner similar to the term "including", just as "including," is explained as a transitional word in the claims. In addition, any term "or" used in the specification of the claims is intended to mean "non-exclusive or".

[0086] The specific implementation methods described above further illustrate the objectives, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above description is only a specific implementation method of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A square motor punching lamination lamination device with right-angle positioning, characterized in that: It comprises an inner circle positioning die (2), an upper pressing plate (3), a lower pressing plate (4), a right angle positioning plate (5), a sliding plate (6), a locking vertical plate (7), and a locking screw (8), wherein: The inner circle positioning die (2) is cylindrical in shape; the cross-sectional shape of the inner circle positioning die (2) matches the inner circle shape of the punching sheet (1); The lower pressing plate (4) is in the shape of a square sheet; the cross-sectional profile of the lower pressing plate (4) matches the profile of the punching sheet (1); The center of the lower pressing plate (4) is provided with an inner hole (4.1) of the lower pressing plate; the inner circle positioning die (2) passes through the inner hole (4.1) of the lower pressing plate and is movably connected to the lower pressing plate (4); The upper pressing plate (3) is in the shape of a square sheet; the cross-sectional profile of the upper pressing plate (3) matches the profile of the punching sheet (1); An upper pressing plate inner hole (3.1) is provided at the center of the upper pressing plate (3); the inner circle positioning die (2) passes through the upper pressing plate inner hole (3.1) and is movably connected to the upper pressing plate (3); The right-angle positioning plate (5) is in the shape of a column; the cross section of the right-angle positioning plate (5) is in the shape of an L, and the angle between the two inner surfaces of the right-angle positioning plate (5) is a right angle; The bottom of the right-angle positioning plate (5) is fixed to a right angle of the lower pressing plate (4) by means of screws; One corner of the upper pressing plate (3) is aligned with the inner side of the right-angle positioning plate (5); The locking vertical plate (7) comprises a locking back plate (7.1) and a side panel (7.2); the angle between the two inner surfaces of the locking back plate (7.1) and the side panel (7.2) is a right angle; The bottom of the locking vertical plate (7) is fixed at a right angle to the lower pressing plate (4) by means of screws; The sliding plate (6) is movably connected to the locking vertical plate (7) via the locking screw (8) provided on the locking back plate (7.1).

2. The square motor punching lamination lamination device with right-angle positioning according to claim 1 is characterized in that: A T-shaped slider (6.1) is provided at the bottom of the sliding plate (6); the T-shaped slider (6.1) is arranged in the lower pressing plate T-shaped groove (4.2) of the lower pressing plate (4) and is used to limit the sliding plate (6) from sliding in the vertical direction along the inner side surface of the locking back plate (7.1).

3. The square motor punching lamination lamination device with right-angle positioning according to claim 2 is characterized in that: Two locking vertical plates (7) are provided; one locking vertical plate (7) is provided on each of two adjacent right angles on both sides of the connection between the lower pressing plate (4) and the right-angle positioning plate (5).

4. The square motor punching lamination lamination device with right-angle positioning according to claim 3 is characterized in that: Welding windows (9) for welding punching sheets are provided on two side surfaces of the right-angle positioning plate (5).

5. The square motor punching lamination lamination device with right-angle positioning according to claim 4 is characterized in that: The inner circle positioning die (2) and the inner hole (4.1) of the lower pressing plate are matched with a small gap; The inner circle positioning die (2) and the inner hole (3.1) of the upper pressing plate are matched with a small clearance.

6. The square motor punching lamination lamination device with right-angle positioning according to claim 5 is characterized in that: A stator core pressure plate (10) is provided at the bottom of the punching sheet (1); a stator core pressure plate stop (10.1) is provided at the contact position between the inner side of the stator core pressure plate (10) and the lower pressure plate (4); a lower pressure plate groove (4.3) is provided at a position corresponding to the stator core pressure plate stop (10.1) on the lower pressure plate (4); the shape of the lower pressure plate groove (4.3) matches the protruding shape of the stator core pressure plate stop (10.1); The stator core pressure plate (10) is provided on the top of the punching sheet (1); the stator core pressure plate stop (10.1) is provided at the contact position between the inner side of the stator core pressure plate (10) and the upper pressure plate (3); an upper pressure plate groove (3.3) is provided at a position on the upper pressure plate (3) corresponding to the stator core pressure plate stop (10.1); the shape of the upper pressure plate groove (3.3) matches the protruding shape of the stator core pressure plate stop (10.1).

7. The square motor punching lamination lamination device with right-angle positioning according to claim 6 is characterized in that: A lower pressure plate stopper (4.4) is provided on the inner hole (4.1) of the lower pressure plate; the top plane of the lower pressure plate stopper (4.4) is flush with the bottom plane of the punching sheet (1); the side outer ring of the lower pressure plate stopper (4.4) is matched with the inner ring of the stator core pressure plate (10) with a small gap; An upper pressure plate stop (3.4) is provided on the inner hole (3.1) of the upper pressure plate; the bottom plane of the upper pressure plate stop (3.4) is flush with the top plane of the punching sheet (1); the side outer ring of the upper pressure plate stop (3.4) is matched with the inner ring of the stator core pressure plate (10) with a small gap.

8. The square motor punching lamination lamination device with right-angle positioning according to claim 7 is characterized in that: The outer contour of the stator core pressing plate (10) matches the outer contour of the punching sheet (1); and the outer dimension of the stator core pressing plate (10) is smaller than the outer dimension of the punching sheet (1).

9. The square motor punching lamination lamination device with right-angle positioning according to claim 8 is characterized in that: A semicircular groove (11) and a key groove (12) are provided on the outer side of the stator core pressure plate (10) at positions corresponding to the punching sheet (1); The semicircular groove (11) and the key groove (12) are provided on the outer side of the lower pressing plate (4) at positions corresponding to the punching sheet (1); The semicircular groove (11) and the key groove (12) are provided on the outer side of the upper pressing plate (3) at positions corresponding to the punching sheet (1).

10. The square motor punching lamination lamination device with right-angle positioning according to claim 9, characterized in that: The outer side of the right-angle positioning plate (5) is provided with a reinforcing rib (14); The reinforcing rib (14) is provided on the outer side of the locking back plate (7.1).

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