Cooling die after thermocuring of motor punching sheet

Abstract

The utility model discloses a motor punching sheet after thermocuring cooling die, which comprises an upper fixing ring, a lower fixing ring and a rotating sleeve, an upper accommodating groove is concentrically arranged at the top of the upper fixing ring, a lower accommodating groove is concentrically arranged at the bottom of the lower fixing ring, the bottom of the rotating sleeve extends along the radial direction to form a rotating ring, and the rotating ring is matched with the lower accommodating groove. The inward side of the upper fixing ring or the lower fixing ring is provided with air outlet channels communicated with the annular air inlet cavity, the air outlet channels are evenly distributed in the circumferential direction of the upper fixing ring or the lower fixing ring, the rotating sleeve is provided with air outlet holes communicated with the air outlet channels, and the air outlet holes are obliquely formed in the height direction. The air outlet device has the advantages of convenience in processing, good sealing effect and adjustable air outlet volume.

Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field, in particular to a motor punching piece heat curing after cooling mould. BACKGROUND

[0002] After the motor punching piece is continuously moulded by the die, needs to be stacked together in rotation, then carries out the warming to the stacked together punching piece through the heating device, and the bonding layer between the adjacent punching pieces in the high direction is partially melted, and the specific processing method between the punching pieces has been disclosed in the invention patent with the authorization announcement number "CN106716796B".

[0003] In order to solve the cooling of the laminated punching piece (i.e. iron core thin plate group) after warming, in the prior art, the applicant's one utility model patent with the authorization announcement number "CN208643833U" discloses a cooling mould, which cools the punching piece by injecting air from outside, but the following problems are found in the specific use process, first, the downward inclined air outlet channel in the center of the mould is difficult to process due to the large size of the mould, second, the sealing effect of the gasket in the original technology is not good, and third, the air outlet size cannot be adjusted according to the process requirement. UTILITY MODEL CONTENT

[0004] The utility model discloses a motor punching piece heat curing after cooling mould, has the advantages of convenient processing, good sealing effect and adjustable air outlet size.

[0005] The utility model discloses a motor punching piece heat curing after cooling mould, has the advantages of convenient processing, good sealing effect and adjustable air outlet size.

[0006] Preferably, the annular air inlet cavity is arranged at the bottom of the upper fixing ring, the bottom of the annular air inlet cavity is arranged downwardly, and the bottom of the annular air inlet cavity is the top of the lower fixing ring.

[0007] By adopting the above technical scheme, the annular air inlet cavity is conveniently formed by milling.

[0008] Preferably, the air inlet channel is arranged radially outwardly through the upper fixing ring, one end of the air inlet channel is communicated with the outside and is provided with an air pipe interface, and the other end of the air inlet channel is communicated with the annular air inlet cavity.

[0009] By adopting the above technical scheme, the air inlet pipe is connected to the air inlet channel through the air pipe interface.

[0010] Preferably, the upper fixing ring is provided with a first sealing groove below the air inlet channel, the first sealing groove is formed by recessing upwardly from the bottom of the upper fixing ring, the first sealing groove is arranged concentrically with the upper fixing ring, a first sealing ring is arranged in the first sealing groove, the top of the first sealing ring is in abutment with the first sealing groove, and the bottom of the first sealing ring is in abutment with the top of the lower fixing ring.

[0011] By adopting the above technical scheme, the first sealing groove has a sealing effect on the annular air inlet cavity.

[0012] Preferably, the air outlet channel is arranged radially through the upper fixing ring, one end of the air outlet channel is communicated with the annular air inlet cavity, and the other end of the air outlet channel is arranged to the outside of the rotary sleeve.

[0013] By adopting the above technical scheme, the machining difficulty of the air outlet channel is simplified, and the air outlet channel can be machined only by horizontal drilling.

[0014] Preferably, adjacent air outlet holes are arranged staggeredly and obliquely, the included angle between the axis of the air outlet hole and the horizontal plane is 135 degrees, and the included angle between the axes of adjacent air outlet holes and the horizontal plane is 225 degrees.

[0015] By adopting the above technical scheme, the blowing direction of the air flow can be adjusted by rotating the rotary sleeve, so that the air flow is changed from cooling the blades downwardly to adjusting the temperature in the upper heating channel.

[0016] Preferably, the inner wall of the upper fixing ring is recessed radially inwardly to form a second sealing groove, the second sealing groove is arranged concentrically with the upper fixing ring, the second sealing groove is arranged between the upper accommodating groove and the air outlet channel, a second sealing ring is arranged in the second sealing groove, one side of the second sealing ring is in abutment with the second sealing groove, and the other side of the second sealing ring is in abutment with the outer circumferential wall of the rotary sleeve.

[0017] By adopting the technical scheme, the second sealing ring seals the position above the air outlet hole and the air outlet channel, and prevents gas from entering the bearing position.

[0018] Preferably, the bottom inner circular edge of the upper fixing ring is inwardly recessed to form a third sealing groove, the third sealing groove is concentrically arranged with the upper fixing ring, a third sealing ring is arranged in the third sealing groove, the top of the third sealing ring is in abutment with the third sealing groove, the outer side of the third sealing ring is in abutment with the third sealing groove, the inner side of the third sealing ring is in abutment with the outer circumferential wall of the rotating sleeve, and the bottom of the third sealing ring is in abutment with the top of the lower fixing ring.

[0019] By adopting the technical scheme, the third sealing groove not only seals the position below the air outlet hole and the air outlet channel, but also seals the annular air inlet cavity.

[0020] Preferably, the locking structure comprises a threaded hole and a locking bolt, the threaded hole is arranged in the thickness direction of the rotating ring, the locking bolt is threadedly connected with the threaded hole, the bottom of the locking bolt is in abutment with the bottom of the lower fixing ring, and the end of the locking bolt is located on the outer side of the rotating ring.

[0021] By adopting the technical scheme, the rotating locking bolt is used to abut the bottom of the locking bolt against the bottom of the lower fixing ring, so as to limit the rotation of the rotating sleeve.

[0022] Preferably, the bottom of the rotating ring is provided with a scale, and the bottom of the lower fixing ring is provided with a mark block corresponding to the scale.

[0023] By adopting the technical scheme, the gap between the air outlet hole and the air outlet channel at this scale is used to record the cooling effect at this scale, and the inclination direction of the air outlet hole is indicated.

[0024] In summary, first, the inclined air outlet channel of the mold center is changed to be horizontally arranged, which is convenient for processing, and the annular air inlet cavity only needs to be processed from the bottom of the upper fixing ring on one side, thereby avoiding the problem of processing the annular air inlet cavity in the mold, and thus the processing is convenient; second, the first sealing ring, the second sealing ring and the third sealing ring are used to realize multiple sealing of the air inlet channel and the annular air inlet cavity, thereby avoiding gas leakage; and third, the rotating rotating sleeve is used to change the gap between the air outlet hole and the air outlet channel, thereby adjusting the air outlet size and improving the cooling effect. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structural schematic diagram of an embodiment combination state;

[0026] Figure 2 is an exploded schematic diagram of the embodiment;

[0027] Figure 3is a sectional schematic view of the embodiment;

[0028] Figure 4 is Figure 3 is an enlarged schematic view of A part shown in the figure;

[0029] Figure 5 is Figure 3 is an enlarged schematic view of B part shown in the figure;

[0030] In the figure, 1, upper fixed ring; 11, upper accommodating groove; 12, bearing; 13, annular air inlet cavity; 14, air inlet channel; 15, air outlet channel; 2, lower fixed ring; 21, lower accommodating groove; 3, rotating sleeve; 31, rotating ring; 32, air outlet hole; 33, threaded hole; 34, locking bolt; 41, first sealing groove; 42, first sealing ring; 43, second sealing groove; 44, second sealing ring; 45, third sealing groove; 46, third sealing ring; 51, scale; 52, indicating block. DETAILED DESCRIPTION

[0031] The utility model will be further explained in detail in combination with the drawings.

[0032] The specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model. Those skilled in the art can make modifications without creative contribution according to the needs after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

[0033] Embodiment:

[0034] As Figures 1 to 5 shown, a motor punching sheet hot curing cooling mold, including the upper fixed ring 1 in upper, the lower fixed ring 2 in lower, the upper fixed ring 1 and the lower fixed ring 2 are inlaid with rotating sleeve 3 in the center, and rotating sleeve 3 plays the role of fixing the upper fixed ring 1 and the lower fixed ring 2 in the height direction, and the upper fixed ring 1 and the lower fixed ring 2 can also be fixed by bolt, and the upper fixed ring 1 has the structure connected with the upper mold above, and since it is irrelevant to the air outlet hole 32 adjustment in the scheme, it is not shown in the figure.

[0035] In order to ensure the fixing effect of the rotating sleeve 3 on the upper fixing ring 1 and the lower fixing ring 2, the top of the rotating sleeve 3 is fixed by the bearing 12, and the bottom of the rotating sleeve 3 is limited by abutting, that is, the top of the upper fixing ring 1 is provided with the upper accommodating groove 11 in a concentric manner, the bottom of the lower fixing ring 2 is provided with the lower accommodating groove 21 in a concentric manner, the bottom of the rotating sleeve 3 extends radially to form the rotating ring 31, the rotating ring 31 cooperates with the lower accommodating groove 21 to limit the downward movement of the lower fixing ring 2, the outer circumferential surface of the rotating sleeve 3 cooperates with the inner circumferential surface of the upper fixing ring 1 and the lower fixing ring 2, the bearing 12 is provided in the upper accommodating groove 11 in a concentric manner, the outer ring of the bearing 12 cooperates with the upper accommodating groove 11, and the inner ring of the bearing 12 cooperates with the outer circumferential surface of the rotating sleeve 3.

[0036] The gas path of the embodiment is designed as follows: the annular air inlet cavity 13 is arranged between the upper fixing ring 1 and the lower fixing ring 2, the annular air inlet cavity 13 penetrates to the end face, one side of the upper fixing ring 1 or the lower fixing ring 2 outwardly is provided with the air inlet channel 14 which is in communication with the annular air inlet cavity 13, and one side of the upper fixing ring 1 or the lower fixing ring 2 inwardly is provided with the air outlet channel 15 which is in communication with the annular air inlet cavity 13, and the air outlet channel 15 is uniformly distributed along the circumference of the upper fixing ring 1 or the lower fixing ring 2.

[0037] In the embodiment, the specific structure of the gas path is as follows: the annular air inlet cavity 13 is arranged at the bottom of the upper fixing ring 1, the bottom of the annular air inlet cavity 13 is arranged downwardly in a penetrating manner, the bottom of the annular air inlet cavity 13 is the top of the lower fixing ring 2, that is, the bottom of the upper fixing ring 1 is inwardly milled to form the annular air inlet cavity 13, the annular air inlet cavity 13 is formed by splicing the upper fixing ring 1 and the lower fixing ring 2, the air inlet channel 14 is arranged outwardly in a penetrating manner along the radial direction of the upper fixing ring 1, one end of the air inlet channel 14 is in communication with the outside and is provided with a gas pipe interface, and the other end of the air inlet channel 14 is in communication with the annular air inlet cavity 13; the air outlet channel 15 is arranged in a penetrating manner along the radial direction of the upper fixing ring 1, one end of the air outlet channel 15 is in communication with the annular air inlet cavity 13, and the other end of the air outlet channel 15 penetrates to the outside of the rotating sleeve 3.

[0038] As shown in Figure 4 and Figure 5 , the air outlet hole 32 in communication with the air outlet channel 15 is arranged on the rotating sleeve 3, the air outlet hole 32 is arranged in an inclined manner along the height direction, by rotating the rotating sleeve 3, the size between the air outlet hole 32 and the air outlet channel 15 will change, thereby controlling the air outlet amount of the air outlet hole 32.

[0039] As shown in Figure 4 and Figure 5As shown, when the punch is cooled, the air outlet direction of the air outlet 32 ​​is downward. In order to cool the upper heating mold, the air outlet direction of the air outlet 32 ​​should be set upward. Therefore, adjacent air outlet holes 32 are staggered and tilted. The angle between the axis of the air outlet hole 32 and the horizontal plane is 135 degrees, and the angle between the axis of adjacent air outlet holes 32 and the horizontal plane is 225 degrees. When the rotating sleeve 3 rotates to the position of the next air outlet hole 32, the air outlet direction changes.

[0040] like Figures 2 to 4 As shown, the cooling device has a triple sealing structure:

[0041] First, to seal the outer side of the annular air inlet cavity 13, the upper fixing ring 1 is provided with a first sealing groove 41 below the air inlet passage 14. The first sealing groove 41 is formed by an upward depression of the bottom of the upper fixing ring 1. The first sealing groove 41 is concentrically arranged with the upper fixing ring 1. A first sealing ring 42 is provided in the first sealing groove 41. The top of the first sealing ring 42 abuts against the first sealing groove 41, and the bottom of the first sealing ring 42 abuts against the top of the lower fixing ring 2.

[0042] Second, to seal between the position below the bearing 12 and the position above the air outlet 32, the inner wall of the upper fixing ring 1 is radially inwardly recessed to form a second sealing groove 43. The second sealing groove 43 is concentrically arranged with the upper fixing ring 1 and is arranged between the upper accommodating groove 11 and the air outlet channel 15. A second sealing ring 44 is arranged in the second sealing groove 43. One side of the second sealing ring 44 abuts against the second sealing groove 43, and the other side of the second sealing ring 44 abuts against the outer circumferential wall of the rotating sleeve 3.

[0043] Third, to seal between the lower portion of the air outlet 32 ​​and the annular air inlet chamber 13, the inner circular edge of the bottom of the upper fixing ring 1 is recessed inward to form a third sealing groove 45. The third sealing groove 45 is concentrically arranged with the upper fixing ring 1. A third sealing ring 46 is arranged in the third sealing groove 45. The top of the third sealing ring 46 abuts against the third sealing groove 45, the outer side of the third sealing ring 46 abuts against the third sealing groove 45, the inner side of the third sealing ring 46 abuts against the outer circumferential wall of the rotating sleeve 3, and the bottom of the third sealing ring 46 abuts against the top of the lower fixing ring 2.

[0044] like Figure 2 and Figure 3As shown, in order to limit the rotation of the rotating sleeve 3, the position of the air outlet hole 32 is fixed, and a locking structure is arranged between the rotating ring 31 and the lower accommodating groove 21, the locking structure comprises a threaded hole 33 and a locking bolt 34, the threaded hole 33 is arranged through the thickness direction of the rotating ring 31, the locking bolt 34 is threadedly connected with the threaded hole 33, the bottom of the locking bolt 34 is in abutment with the bottom of the lower fixed ring 2, and the end of the locking bolt 34 is located on the outside of the rotating ring 31. By rotating the locking bolt 34, the fixing between the rotating sleeve 3 and the lower fixed ring 2 can be realized, and in order to align conveniently, the bottom of the rotating ring 31 is surrounded by a scale 51, and the bottom of the lower fixed ring 2 is provided with a mark block 52 corresponding to the scale 51.

[0045] In use, through the scale 51 and the mark block at the bottom, the rotating sleeve 3 is rotated, so that the gap between the air outlet hole 32 and the air outlet channel 15 changes, the air flow size is adjusted, and through further rotation, the air flow direction can be adjusted. It should be noted that the embodiment has only two air flow directions, and finally the locking bolt 34 is fixed.

Claims

1. A motor lamination hot curing post-cure cooling die, characterized by: The utility model provides an air supply structure of rotary joint, including upper fixed ring (1), lower fixed ring (2) and rotating sleeve (3), the top of upper fixed ring (1) concentricity is provided with upper accommodating groove (11), the bottom of lower fixed ring (2) concentricity is provided with lower accommodating groove (21), the bottom of rotating sleeve (3) extends along the radial direction and forms rotating ring (31), rotating ring (31) is cooperated with lower accommodating groove (21), and locking structure is arranged between rotating ring (31) and lower accommodating groove (21), the outer circumferential surface of rotating sleeve (3) is cooperated with the inner circumferential surface of upper fixed ring (1) and lower fixed ring (2), bearing (12) is arranged concentrically in upper accommodating groove (11), the outer ring of bearing (12) is cooperated with upper accommodating groove (11), and the inner ring of bearing (12) is cooperated with the outer circumferential surface of rotating sleeve (3), annular air inlet cavity (13) is arranged between upper fixed ring (1) and lower fixed ring (2), and annular air inlet cavity (13) penetrates to end face, one side of upper fixed ring (1) or lower fixed ring (2) outward is provided with air inlet channel (14) with annular air inlet cavity (13) intercommunication, and one side of upper fixed ring (1) or lower fixed ring (2) inward is provided with air outlet channel (15) with annular air inlet cavity (13) intercommunication, air outlet channel (15) is evenly distributed along the circumference of upper fixed ring (1) or lower fixed ring (2), rotating sleeve (3) is provided with air outlet hole (32) with air outlet channel (15) intercommunication, and air outlet hole (32) is inclinedly arranged along the height direction.

2. The motor lamination post-cure cooling mold of claim 1, wherein: The annular air inlet cavity (13) is arranged at the bottom of the upper fixed ring (1), the bottom of the annular air inlet cavity (13) is arranged downwardly, and the bottom of the annular air inlet cavity (13) is the top of the lower fixed ring (2).

3. The motor lamination post-cure cooling mold of claim 2, wherein: The air inlet channel (14) is arranged penetratingly outward along the radial direction of the upper fixed ring (1), one end of the air inlet channel (14) is communicated with the outside and is provided with a tracheal interface, and the other end of the air inlet channel (14) is communicated with the annular air inlet cavity (13).

4. The motor lamination post-cure cooling mold of claim 3, wherein: The upper fixed ring (1) is provided with a first sealing groove (41) below the air inlet channel (14), the first sealing groove (41) is formed by recessing upwardly from the bottom of the upper fixed ring (1), the first sealing groove (41) is arranged concentrically with the upper fixed ring (1), a first sealing ring (42) is arranged in the first sealing groove (41), the top of the first sealing ring (42) abuts against the first sealing groove (41), and the bottom of the first sealing ring (42) abuts against the top of the lower fixed ring (2).

5. The motor lamination hot curing post-cure cooling mold of claim 2, wherein: The air outlet channel (15) is arranged penetratingly along the radial direction of the upper fixed ring (1), one end of the air outlet channel (15) is communicated with the annular air inlet cavity (13), and the other end of the air outlet channel (15) penetrates to the outside of the rotating sleeve (3).

6. The motor lamination hot curing post-cure cooling mold of claim 5, wherein: Adjacent air outlet holes (32) are staggered and inclined, the angle between the axis of the air outlet hole (32) and the horizontal plane is 135 degrees, and the angle between the axes of adjacent air outlet holes (32) and the horizontal plane is 225 degrees.

7. The motor lamination hot curing post-cure cooling mold of claim 6, wherein: The inner wall of the upper fixed ring (1) is recessed radially inward to form a second sealing groove (43), the second sealing groove (43) is arranged concentrically with the upper fixed ring (1), the second sealing groove (43) is arranged between the upper accommodating groove (11) and the gas outlet channel (15), a second sealing ring (44) is arranged in the second sealing groove (43), one side of the second sealing ring (44) abuts against the second sealing groove (43), and the other side of the second sealing ring (44) abuts against the outer circumferential wall of the rotating sleeve (3).

8. The motor lamination post-cure cooling mold of claim 7, wherein: The bottom inner circular edge of the upper fixed ring (1) is recessed inward to form a third sealing groove (45), the third sealing groove (45) is arranged concentrically with the upper fixed ring (1), a third sealing ring (46) is arranged in the third sealing groove (45), the top of the third sealing ring (46) abuts against the third sealing groove (45), the outer side of the third sealing ring (46) abuts against the third sealing groove (45), the inner side of the third sealing ring (46) abuts against the outer circumferential wall of the rotating sleeve (3), and the bottom of the third sealing ring (46) abuts against the top of the lower fixed ring (2).

9. The motor lamination hot curing post-cure cooling mold of claim 6, wherein: The locking structure comprises a threaded hole (33) and a locking bolt (34), the threaded hole (33) is arranged through the thickness direction of the rotating ring (31), the locking bolt (34) is threadedly connected with the threaded hole (33), the bottom of the locking bolt (34) abuts against the bottom of the lower fixed ring (2), and the end of the locking bolt (34) is located on the outer side of the rotating ring (31).

10. The motor lamination hot curing post-cure cooling mold of claim 9, wherein: The bottom of the rotating ring (31) is surrounded by a scale (51), and the bottom of the lower fixed ring (2) is provided with a mark block (52) corresponding to the scale (51).

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