CN215283051U

CN215283051U - Injection mould with inclined wedge compensation device

Info

Publication number: CN215283051U
Application number: CN202121602559.3U
Authority: CN
Inventors: 刘�文; 李超伟
Original assignee: Chongqing Meiqing Technology Co ltd
Current assignee: Chongqing Meiqing Technology Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-24
Anticipated expiration: 2031-07-15

Abstract

The utility model provides a compensation arrangement's injection mould is carved to one side in area, include: the fixed die is provided with a plurality of transversely arranged supporting pieces, and the supporting pieces are used for abutting against the iron core; the movable dies are arranged above the fixed die at intervals, and injection molding positions are formed between the movable dies and the fixed die; the sliding block is arranged at one end, close to the fixed die, of the movable die in a sliding mode and driven by the air cylinder, the sliding block is provided with a chute, the lower end face of the chute is horizontal, the upper end face of the chute is inclined upwards, and the size of a groove opening of the chute is gradually increased along the length direction of the supporting piece; the adjusting part, the adjusting part passes through the chute slides the card and goes into on the sliding block, with the perpendicular to the direction of sliding block slides, works as the movable mould to when the cover half removed, the adjusting part with support piece counterbalance. The utility model provides a traditional injection mould take place to leak glue, overflow gluey technical problem at the in-process of moulding plastics.

Description

Injection mould with inclined wedge compensation device

Technical Field

The utility model relates to a motor stator, rotor core processing technology field especially relates to a compensation arrangement's injection mould is carved to one side in area.

Background

The metal parts in the stator and the rotor of the motor are formed by overlapping a plurality of iron core pieces with the same shape and size, and in order to ensure that the iron core pieces overlapped together are completely overlapped, a shaping die and the like are generally needed to quickly buckle and shape the iron core. For example, chinese patent application No. 2018115803415: a manufacturing process of a high-speed motor rotor iron core discloses the following steps: laminating the whole rotor iron core on a laminating tool; firstly, placing a first laminated iron core along a laminating shaft, riveting a convex point upwards, and placing a universal punching sheet; placing a second layered iron core, horizontally rotating the second layered iron core by 180 degrees, and aligning the key slot of the second layered iron core with the square slot on the laminated pressing plate; repeating the above actions to complete the lamination of the iron core; then a positioning rod, a laminating pressing plate and a laminating cylinder are arranged, and a hydraulic press is used for pressing and pressure maintaining.

The iron core laminated by the process has the advantages that the thickness of each iron chip is inconsistent, so that the thickness of the whole iron core is uneven, accumulated errors are easy to generate, and the conditions of glue leakage, glue overflow and the like of the iron core are easy to cause in the injection molding process.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a compensation arrangement's injection mould is carved to one side in area to traditional injection mould takes place to leak to glue, overflow gluey technical problem at the in-process of moulding plastics among the solution correlation technique.

The utility model provides a compensation arrangement's injection mould is carved to one side in area for positioning motor decides, rotor core, include:

the fixed die is provided with a plurality of transversely arranged supporting pieces, and the supporting pieces are used for abutting against the iron core;

the movable dies are arranged above the fixed die at intervals, and injection molding positions are formed between the movable dies and the fixed die;

the sliding block is arranged at one end, close to the fixed die, of the movable die in a sliding mode and driven by an air cylinder to enable the sliding block to slide along the length direction of the supporting piece, a chute is arranged on the sliding block, the lower end face of the chute is horizontal, the upper end face of the chute is inclined upwards, and the size of a groove opening of the chute is gradually increased along the length direction of the supporting piece;

the adjusting part, the adjusting part passes through the chute slides the card and goes into on the sliding block, with the perpendicular to the direction of sliding block slides, works as the movable mould to when the cover half removed, the adjusting part with support piece counterbalance.

The utility model discloses a theory of operation: during the use, at first put into support piece with the iron core on, make support piece and iron core laminate mutually, then the drive movable mould removes, and the regulating part removes along with it at this in-process until regulating part and support piece contact, the regulating part promotes the up end of iron core when sliding in the chute and makes its each position all be in same horizontal plane, and at last, according to the promotion of regulating part, each position of the lower terminal surface of iron core also can be in same horizontal plane, realizes the compensation to iron core thickness.

Compared with the prior art, the utility model discloses following beneficial effect has:

firstly, the supporting piece can support and fix the iron core, so that one end of the iron core is static by taking the supporting piece as a reference surface;

secondly, under the coordination of the inclined groove, the adjusting piece is always in contact with the iron core and moves relatively, so that the iron core floats by taking the adjusting piece as another reference surface;

thirdly, when the supporting member and the adjusting member are used in cooperation, one end of the iron core is in a static state (influenced by the supporting member), and the other end of the iron core is in a floating state (influenced by the adjusting member), so that the supporting member and the adjusting member can compensate the thickness of the iron core (namely, when the movable mold is close to the fixed mold, the adjusting member can be firstly contacted with the upper end surface of the convex iron core and then downwards presses the upper end surface of the iron core along with the movement of the movable mold, and so on, and further, all the positions of the upper end surface of the iron core are located on the same horizontal position, in addition, the lower end surface of the iron core can be moved by the extrusion of the adjusting member, all the positions of the lower end surface of the adjusting member are located on the same horizontal position, and the upper end surface and the lower end surface of the iron core are parallel), thereby solving the problem that the thickness of the processed iron core is inconsistent due to the uneven thickness of each iron core, glue leakage occurs to the iron core in the injection molding process, The problem of glue overflow or burrs is solved, the rejection rate of the iron core is reduced, and the cost is saved; in addition, the arrangement of the chute can be suitable for iron cores with different thicknesses.

Further, the support piece comprises an accommodating part and a supporting part, the accommodating part is arranged on the side surface of the fixed die to accommodate the iron core, and the supporting part is arranged on one end, close to the movable die, of the fixed die to seal the upper end surface of the accommodating part.

Further, the regulating part is including regulating part and fixed part, the regulating part pass through the chute with sliding block sliding connection, the one end of fixed part with the connection can be dismantled to the regulating part, the other end of fixed part has the fixed slot, works as the movable mould to when the cover half removed, the fixed part passed through the fixed slot with the supporting part offsets.

Further, a movable push plate is arranged on the side face of the fixed die to be close to or far away from the fixed die.

Furthermore, the fixed die is provided with two groups of supporting positions arranged in a mirror image mode, and each group of supporting positions is formed by a plurality of supporting pieces which are arranged transversely.

Drawings

FIG. 1 is a schematic structural view of an iron core;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is a schematic structural diagram of a fixed mold of the invention;

FIG. 5 is a schematic view of the slider and the adjusting member of the present invention;

FIG. 6 is a schematic structural diagram of the slider of the present invention;

FIG. 7 is a schematic view of the adjusting part according to the present invention;

FIG. 8 is a schematic view of a fixing portion of the present invention;

FIG. 9 is a schematic view of the present invention with the movable mold omitted.

In the figure: 1. a support member; 11. an accommodating portion; 12. a support portion; 2. an adjustment member; 21. an adjustment section; 22. a fixed part; 23. fixing grooves; 3. fixing a mold; 4. moving the mold; 5. a slider; 6. a cylinder; 7. a chute; 8. a push plate.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

In order to make the objects, technical solutions and advantageous effects of the present invention more clearly understood, the following technical solutions of the present invention are further described with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 to 9, the utility model provides an injection mold with an inclined wedge compensation device, which is used for positioning a stator core and a rotor core of a motor, and comprises a support member 1, an adjusting member 2, a stationary mold 3 and a movable mold 4; the fixed die 3 is provided with a plurality of supporting pieces 1 which are transversely arranged, and the supporting pieces 1 are used for abutting against the iron core; the movable dies 4 are arranged above the fixed die 3 at intervals, and injection molding positions are formed between the movable dies 4 and the fixed die 3; the sliding block 5 is arranged at one end of the movable die 4 close to the fixed die 3 in a sliding manner and driven by the cylinder 6, so that the sliding block 5 slides along the length direction of the support member 1 (namely slides left and right), the sliding block 5 is provided with a chute 7, the lower end surface of the chute 7 is horizontal, the upper end surface of the chute 7 inclines upwards, and the size of the opening of the chute 7 gradually increases along the length direction of the support member 1; the adjusting piece 2 is clamped on the sliding block 5 in a sliding mode through the inclined groove 7, the sliding block 5 slides in the direction perpendicular to the sliding block, and when the movable die 4 moves towards the fixed die 3, the adjusting piece 2 abuts against the supporting piece 1. The supporting piece 1 can support and fix the iron core, so that one end of the iron core is static by taking the supporting piece 1 as a reference surface; under the coordination of the chute 7, the adjusting piece 2 is always in contact with the iron core and moves relatively, so that the iron core floats by taking the adjusting piece 2 as another reference surface; when the supporting piece 1 and the adjusting piece 2 are used in a matched mode, one end of the iron core is in a static state (influenced by the supporting piece 1), and the other end of the iron core is in a floating state (influenced by the adjusting piece 2), so that the supporting piece 1 and the adjusting piece 2 can compensate the thickness of the iron core (namely when the movable die 4 is close to the fixed die 3, the adjusting piece 2 can be firstly contacted with the upper end face of the convex iron core and then downwards pressed along with the movement of the movable die 4, and the like, so that all the positions of the upper end face of the iron core are located on the same horizontal position, in addition, the lower end face of the iron core can be moved by the extrusion of the adjusting piece 2, all the positions of the lower end face of the iron core are located on the same horizontal position, the upper end face and the lower end face of the iron core are located in parallel positions), and the problem that the thickness of the processed iron core is inconsistent due to the uneven thickness of each iron core piece is solved, and glue leakage of the iron core occurs in the injection molding process, The problem of glue overflow or burrs is solved, the rejection rate of the iron core is reduced, and the cost is saved; in addition, the arrangement of the chute 7 can be applied to iron cores of different thicknesses.

The supporting member 1 comprises an accommodating part 11 and a supporting part 12, the accommodating part 11 is arranged on the side surface of the fixed die 3 to accommodate the iron core, and the supporting part 12 is arranged on one end of the fixed die 3 close to the movable die 4 to seal the upper end surface of the accommodating part 11; when the core to be processed is put into the receiving portion 11, the supporting portion 12 is in three states, i.e., full contact, partial contact, or no contact, with the upper end surface of the core.

Regulating part 2 is including regulating part 21 and fixed part 22, regulating part 21 passes through chute 7 and sliding block 5 sliding connection, the one end and the regulating part 21 of fixed part 22 can be dismantled and be connected, the other end of fixed part 22 has fixed slot 23, fixed slot 23 and supporting part 12, the shape looks adaptation of iron core, when movable mould 4 moves to cover half 3, fixed part 22 offsets with supporting part 12 through fixed slot 23, make supporting part 12 push down the up end of iron core, adjust the up end of iron core, until it is located same horizontal plane.

A movable push plate 8 is arranged on the side surface of the fixed mold 3 (the push plate 8 can be driven by an air cylinder or a hydraulic cylinder and the like) so as to be close to or far away from the fixed mold 3. The push plate 8 is used for pressing the iron core tightly in the accommodating part 11.

The fixed die 3 is provided with two groups of supporting positions arranged in a mirror image mode, and each group of supporting positions is formed by a plurality of supporting pieces 1 arranged transversely to form double stations and improve the operation efficiency.

The utility model discloses a theory of operation: when the iron core adjusting device is used, firstly, the iron core is pushed into the accommodating part 11 through the push plate 8 and is abutted tightly, then the movable die 4 is driven to move, the adjusting part 2 moves along with the iron core until the fixing part 22 is inserted into the supporting part 12 through the fixing groove 23 in the process, the adjusting part 21 pushes the upper end surface of the iron core through the fixing part 22 and the supporting part 1 when sliding in the chute 7 so that all positions of the upper end surface of the iron core are located on the same horizontal plane, finally, all positions of the lower end surface of the iron core are located on the same horizontal plane according to the pushing of the adjusting part 2, and in the process, the air cylinder 6 pushes the sliding block 5 to move; the thickness of the iron core is compensated.

This embodiment is through regulating part 2 fluctuation in chute 7, realizes the compensation to iron core thickness, avoids the iron core to take place the condition of excessive glue at the in-process of moulding plastics.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a take compensation arrangement's injection mould is carved to one side for fixed position motor is decided, rotor core, its characterized in that includes:

the fixed die (3) is provided with a plurality of transversely arranged supporting pieces (1), and the supporting pieces (1) are used for abutting against the iron core;

the movable dies (4) are arranged above the fixed die (3) at intervals, and injection molding positions are formed between the movable dies (4) and the fixed die (3);

the sliding block (5) is arranged at one end, close to the fixed die (3), of the movable die (4) in a sliding mode and driven by the air cylinder (6) to enable the sliding block (5) to slide along the length direction of the supporting piece (1), the sliding block (5) is provided with a chute (7), the lower end face of the chute (7) is horizontal, the upper end face of the chute (7) is inclined upwards, and the size of a groove opening of the chute (7) is gradually increased along the length direction of the supporting piece (1);

regulating part (2), regulating part (2) pass through chute (7) slip card is gone into on sliding block (5), with the perpendicular to the direction of sliding block (5) slides, works as movable mould (4) to when cover half (3) remove, regulating part (2) with support piece (1) counterbalance.

2. The injection mold with the slanting wedge compensating apparatus as set forth in claim 1, wherein said supporting member (1) comprises a receiving portion (11) and a supporting portion (12), said receiving portion (11) being provided at a side surface of said stationary mold (3) for receiving the core, said supporting portion (12) being provided at an end of said stationary mold (3) adjacent to said movable mold (4) for sealing an upper end surface of said receiving portion (11).

3. The injection mold with the slanting wedge compensating device as set forth in claim 2, wherein the adjusting member (2) comprises an adjusting portion (21) and a fixing portion (22), the adjusting portion (21) is slidably connected to the sliding block (5) through the inclined groove (7), one end of the fixing portion (22) is detachably connected to the adjusting portion (21), the other end of the fixing portion (22) has a fixing groove (23), and when the movable mold (4) moves toward the fixed mold (3), the fixing portion (22) abuts against the supporting portion (12) through the fixing groove (23).

4. An injection mould with a slanting wedge compensating mechanism as defined in any of claims 1-3, wherein said stationary mold half (3) is provided with a movable push plate (8) on its side to approach or depart from said stationary mold half (3).

5. An injection mould with a slanting wedge compensating device as defined in any of claims 1-3, wherein said stationary mould (3) has two sets of mirror image supporting sites, each set of said supporting sites being formed by a plurality of laterally arranged supporting members (1).