CN213701628U

CN213701628U - Forging die for motor magnetic angle

Info

Publication number: CN213701628U
Application number: CN202021934087.7U
Authority: CN
Inventors: 何洪均
Original assignee: Haian Jinduan Industrial Co ltd
Current assignee: Haian Jinduan Industrial Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-07-16
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a forging mould for motor magnetic angle, including last mould outer loop, shaping upper die, lower mould outer loop and shaping lower mould, the shaping lower mould is located shaping upper die bottom, the lower mould outer loop is located between shaping upper die and the shaping lower mould, shaping upper die, lower mould outer loop and shaping lower mould surround and form the die cavity, the lower mould outer loop forms the exhaust gap with shaping lower mould junction, the exhaust gap link up with the die cavity tip each other; through forming the exhaust gap at die cavity tip, when the lower mould inner nut extrudees the stock with last mould inner nut from top to bottom simultaneously, by the continuous removal of extrusion stock, by stock extrusion die cavity intracavity air again, the air is discharged through the exhaust gap of die cavity end connection, has reduced the resistance that gas marched to the stock for the stock can reach the extreme portion of die cavity, promotes the casting quality of magnetic angle.

Description

Forging die for motor magnetic angle

Technical Field

The utility model relates to a forge the mould, especially relate to a forge mould for motor magnetic angle.

Background

The forging die is widely used for manufacturing the magnetic angle of the motor, and the principle of the forging die is that two or more separable upper dies and lower dies are closed to form a closed die cavity, a metal blank is placed in the die cavity, and the blank is molded in the die under the extrusion of the upper die core and the lower die core, so that a precision forging piece which is almost the same as the die cavity in shape and size and has no flash and near net size is obtained.

The end part of the existing die cavity is not provided with an exhaust gap, so that when a blank is extruded, air in the die cavity cannot be exhausted, and the air forms resistance on the blank, so that the blank cannot reach the extreme end part of each magnetic angle die, and the forging quality of magnetic angles is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a forging mould for motor magnetic angle can solve current die cavity tip and do not set up exhaust clearance, when the extrusion stock for the inside air of die cavity can't be discharged, and gas forms the resistance to the stock, makes the stock can not reach the technical problem of every magnetic angle mould tip.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a forge mould for motor magnetic angle, includes mould, lower mould outer loop and shaping lower mould in the shaping, the shaping lower mould is located mould bottom in the shaping, the lower mould outer loop is located the shaping and goes up between mould and the shaping lower mould, lower mould outer loop and shaping lower mould surround the formation die cavity in the shaping, the lower mould outer loop forms the exhaust gap with shaping lower mould junction, the exhaust gap link up with the die cavity tip each other.

As an optimal technical scheme of the utility model, be equipped with the magnetic angle stock in the die cavity, the mould top is worn to establish the interior benevolence of last mould that is used for extrudeing magnetic angle stock top in the shaping, the benevolence in the lower mould that is used for extruding magnetic angle stock bottom is worn to be equipped with in shaping lower mould bottom.

As a preferred technical scheme of the utility model, the benevolence outside cover is equipped with first spring in going up the mould, first spring top is connected on benevolence top in with last mould, first spring bottom is connected on the mould top with the shaping.

As a preferred technical scheme of the utility model, benevolence outside cover is equipped with the second spring in the lower mould, second spring top is connected with shaping lower mould bottom surface, the benevolence bottom is connected in second spring bottom and the lower mould.

As an optimal technical scheme of the utility model, the mould outside is provided with the mould outer loop on the shaping.

As a preferred technical scheme of the utility model, the both ends open-ended solid fixed cylinder has been closed through the screw soon to exhaust gap bottom, gu fixed cylinder is through first sealed pad and die cavity sealing connection, gu the solid fixed ring of the inside top fixedly connected with of fixed cylinder, gu the fixed ring top surface sets up rather than the through-hole that link up each other, gu the solid fixed connection connecting cylinder in the middle of the fixed ring bottom surface, ascending mounting groove is seted up to the connecting cylinder bottom, wear to be equipped with the movable rod in the mounting groove, the extension spring is passed through on the movable rod top and is connected with the mounting groove, movable rod bottom end fixedly connected with sealing ring, the sealing ring passes through the sealed pad of second and solid fixed cylinder bottom.

As an optimized technical scheme of the utility model, the through-hole equidistance is seted up on solid fixed ring top.

As a preferred technical scheme of the utility model, the inside rotation of movable rod is connected with the gyro wheel, the movable rod reciprocates in the mounting groove through the gyro wheel.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the exhaust gap is formed at the end part of the die cavity, when the lower die inner core and the upper die inner core simultaneously extrude the magnetic angle blank up and down, the extruded magnetic angle blank continuously moves, then the air in the die cavity is extruded by the magnetic angle blank, and the air is exhausted through the exhaust gap connected with the end part of the die cavity, so that the resistance of the air to the blank advancing is reduced, the blank can reach the extreme end part of the die cavity, and the forging quality of the magnetic angle is improved;

2. through installing the solid fixed cylinder additional in the die cavity bottom, gas when the die cavity gets into the solid fixed cylinder through exhaust gap and through-hole in, high-speed gas strikes the sealing ring, remove by sealing ring pulling movable rod, by the tensile extension spring of movable rod again, when the sealing ring drives the movable rod and leaves solid fixed cylinder bottom opening, gaseous smooth discharge, then the movable rod resets under the pulling force effect of extension spring, drive the sealing ring by the movable rod and reset, the sealing ring is sealed through the second again and is sealed the pad and solid fixed cylinder opening part sealing connection.

Drawings

FIG. 1 is a schematic sectional view of a forging mold according to the present invention;

FIG. 2 is an enlarged view of a portion a of FIG. 1;

FIG. 3 is an enlarged view of the structure at b in FIG. 2;

wherein: 1. an upper die inner core; 2. a first spring; 3. an upper die outer ring; 4. forming an upper die; 5. A lower die outer ring; 6. forming a lower die; 7. a second spring; 8. the inner core of the lower die; 9. an exhaust gap; 10. a fixed cylinder; 101. a fixing ring; 102. a through hole; 103. a first gasket; 105. A movable rod; 106. a seal ring; 107. a second gasket; 108. a connecting cylinder; 109. a tension spring; 110. mounting grooves; 111. a roller; 12. magnetic angle blanks; 13. a mold cavity.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Please refer to fig. 1-3, the utility model provides a forging mould for motor magnetic angle, mould 4 on the shaping, lower mould outer loop 5 and shaping lower mould 6, shaping lower mould 6 is located mould 4 bottom on the shaping, lower mould outer loop 5 is located between mould 4 and the shaping lower mould 6 on the shaping, mould 4 on the shaping, lower mould outer loop 5 and shaping lower mould 6 surround and form die cavity 13, mould 4 outside is provided with mould outer loop 3 on the shaping, lower mould outer loop 5 forms exhaust gap 9 with shaping lower mould 6 junction, exhaust gap 9 link up each other with die cavity 13 tip, air discharges through exhaust gap 9 in the die cavity 13, be equipped with magnetic angle stock 12 in the die cavity 13, mould 4 top is worn to establish the last mould inner core 1 that is used for extrudeing magnetic angle stock 12 top on the shaping, lower mould 6 bottom is worn to be equipped with the lower mould inner core 8 that is used for extrudeing magnetic angle stock 12 bottom.

During the use, when benevolence 8 in the lower mould extrudees the magnetic angle stock with last mould benevolence 1 from top to bottom simultaneously, is constantly removed by the extrusion magnetic angle stock, again by the interior air of magnetic angle stock extrusion die cavity 13, the air is discharged through the exhaust gap 9 of die cavity 13 end connection, has reduced the resistance that gas marchd to the stock for the stock can reach the extreme of die cavity 13, promotes the casting quality of magnetic angle 12.

Please refer to fig. 1, the outer side of the inner core 1 of the upper die is sleeved with a first spring 2, the top end of the first spring 2 is connected with the top end of the inner core 1 of the upper die, the bottom end of the first spring 2 is connected with the top end of the upper die 4 in the forming, the outer side of the inner core 8 of the lower die is sleeved with a second spring 7, the top end of the second spring 7 is connected with the bottom surface of the lower die 6 in the forming, the bottom end of the second spring 7 is connected with the bottom end of the inner core 8 of the lower die.

Example 2

Referring to fig. 1 to 3, the present invention provides a forging mold for a magnetic angle of a motor, the present embodiment adopts the same technical solution as the first embodiment, except that a fixed cylinder 10 with two open ends is screwed at the bottom end of an exhaust gap 9 through a thread, the fixed cylinder 10 is hermetically connected with a mold cavity 13 through a first sealing gasket 103, a fixed ring 101 is fixedly connected to the top end inside the fixed cylinder 10, a through hole 102 is formed on the top surface of the fixed ring 101 and communicated with the fixed ring 101, a connecting cylinder 108 is fixedly connected to the middle of the bottom surface of the fixed ring 101, an upward mounting groove 110 is formed at the bottom end of the connecting cylinder 108, a movable rod 105 is inserted into the mounting groove 110, the top end of the movable rod 105 is connected with the mounting groove 110 through a tension spring 109, a sealing ring 106 is fixedly connected to the bottom end of the movable rod 105, the sealing ring 106 is hermetically connected, increase the quantity of through-hole 102, come the efficiency that promotes gas and pass through solid fixed ring 101, the inside rotation of movable rod 105 is connected with gyro wheel 111, and movable rod 105 reciprocates in mounting groove 110 through gyro wheel 111 for movable rod 105 removes more smoothly, lets sealing ring 106 open the closure smoothly.

During the use, gas in the die cavity 13 gets into in the solid fixed cylinder 10 through exhaust gap 9 and through-hole 102, high-speed gas strikes sealing ring 106, remove by sealing ring 106 pulling movable rod 105, again by the tensile extension spring 109 of movable rod 105, when sealing ring 106 drives movable rod 105 and leaves solid fixed cylinder 10 bottom opening, gas discharges smoothly, then movable rod 105 resets under the pulling force effect of extension spring 109, it resets to drive sealing ring 106 by movable rod 105, sealing ring 106 passes through sealed 107 of second again and solid fixed cylinder 10 opening part sealing connection.

The utility model provides a pair of a forging mould for motor magnetic angle, through forming exhaust gap 9 at die cavity 13 tip, when benevolence 8 in the lower mould extrudees the magnetic angle stock with interior benevolence 1 of last mould from top to bottom simultaneously, by the continuous removal of extrusion magnetic angle stock, again by the air in magnetic angle stock extrusion die cavity 13, the air is discharged through the exhaust gap 9 of die cavity 13 end connection, the resistance that gas was marchd to the stock has been reduced, make the stock can reach the extreme of die cavity 13, promote the casting quality of magnetic angle 12; through install solid fixed cylinder 10 additional in die cavity 13 bottom, gas in die cavity 13 gets into solid fixed cylinder 10 through exhaust gap 9 and through-hole 102 in, high-speed gas strikes sealing ring 106, remove by sealing ring 106 pulling movable rod 105, again by the tensile extension spring 109 of movable rod 105, when sealing ring 106 drives movable rod 105 and leaves solid fixed cylinder 10 bottom opening, gaseous smooth discharge, then movable rod 105 resets under the tensile force effect of extension spring 109, drive sealing ring 106 by movable rod 105 and reset, sealing ring 106 is sealed through the second again and is sealed 107 with solid fixed cylinder 10 opening part sealing connection.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a forge mould for motor magnetic angle, includes mould (4), lower mould outer ring (5) and shaping lower mould (6) in the shaping, shaping lower mould (6) are located mould (4) bottom in the shaping, lower mould outer ring (5) are located between mould (4) and shaping lower mould (6) in the shaping, mould (4), lower mould outer ring (5) and shaping lower mould (6) surround and form die cavity (13), its characterized in that in the shaping: and an exhaust gap (9) is formed at the joint of the lower die outer ring (5) and the lower forming die (6), and the exhaust gap (9) is communicated with the end part of the die cavity (13).

2. The forging die for the magnetic angle of the motor according to claim 1, wherein: the magnetic corner forming die is characterized in that magnetic corner blanks (12) are arranged in the die cavity (13), the top end of the forming upper die (4) penetrates through the upper die inner core (1) used for extruding the top end of the magnetic corner blanks (12), and the bottom end of the forming lower die (6) penetrates through the lower die inner core (8) used for extruding the bottom end of the magnetic corner blanks (12).

3. The forging die for the magnetic angle of the motor according to claim 2, wherein: go up interior benevolence (1) outside cover of mould and be equipped with first spring (2), first spring (2) top is connected with interior benevolence (1) top of last mould, mould (4) top is connected on first spring (2) bottom and the shaping.

4. The forging die for the magnetic angle of the motor according to claim 2, wherein: the outer side of the lower die inner core (8) is sleeved with a second spring (7), the top end of the second spring (7) is connected with the bottom surface of the forming lower die (6), and the bottom end of the second spring (7) is connected with the bottom end of the lower die inner core (8).

5. The forging die for the magnetic angle of the motor according to claim 1, wherein: and an upper die outer ring (3) is arranged on the outer side of the forming upper die (4).

6. The forging die for the magnetic angle of the motor according to claim 1, wherein: the bottom end of the exhaust gap (9) is screwed with a fixed cylinder (10) with two open ends through threads, the fixed cylinder (10) is hermetically connected with the die cavity (13) through a first sealing gasket (103), the top end in the fixed cylinder (10) is fixedly connected with a fixed ring (101), the top surface of the fixed ring (101) is provided with a through hole (102) communicated with the fixed ring, a connecting cylinder (108) is fixedly connected in the middle of the bottom surface of the fixing ring (101), an upward mounting groove (110) is arranged at the bottom end of the connecting cylinder (108), a movable rod (105) penetrates through the mounting groove (110), the top end of the movable rod (105) is connected with the mounting groove (110) through a tension spring (109), the bottom end of the movable rod (105) is fixedly connected with a sealing ring (106), and the sealing ring (106) is hermetically connected with an opening at the bottom end of the fixed cylinder (10) through a second sealing gasket (107).

7. The forging die for the motor magnetic angle as recited in claim 6, wherein: the through holes (102) are arranged at the top end of the fixing ring (101) at equal intervals.

8. The forging die for the motor magnetic angle as recited in claim 6, wherein: the movable rod (105) is internally and rotatably connected with a roller (111), and the movable rod (105) moves up and down in the mounting groove (110) through the roller (111).