CN218699909U

CN218699909U - High-stability production mold for PQ type magnetic core

Info

Publication number: CN218699909U
Application number: CN202223088110.7U
Authority: CN
Inventors: 王晓祥; 蒲成刚; 瞿德林; 商燕彬; 李丛俊
Original assignee: Zhongde Electronics Co ltd
Current assignee: Zhongde Electronics Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-24
Anticipated expiration: 2032-11-18

Abstract

The utility model discloses a high stable form production mould of PQ type magnetic core relates to the technical field of production mould, a high stable form production mould of PQ type magnetic core, including lower bolster and cope match-plate pattern, the top fixedly connected with bed die of lower bolster, the bottom fixedly connected with upper die base of cope match-plate pattern, the bottom fixedly connected with upper die of upper die base. The utility model discloses a stand and the support column that set up make the cope match-plate pattern when removing to the lower bolster, can tentatively play the function of location, locating hole through setting up, the locating pin, the spacing ring, the spacing groove, the guide post, the spout, fixed column and slider have further locate function when making the cope match-plate pattern and bed die compound die, through the supplementary piece and the butt joint piece that set up the inclined plane structure, the butt joint piece is when the downstream, can laminate with supplementary piece, further improvement the effect of location, can carry out accurate location, avoid the production of deviation, the stability of production has been guaranteed, and the practicality is realized.

Description

High-stability production mold for PQ type magnetic core

Technical Field

The utility model relates to a technical field of production mould, in particular to high stable form production mould of PQ type magnetic core.

Background

The die is various dies and tools which are used for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The PQ-type magnetic core is a sintered magnetic metal oxide consisting of various iron oxide mixtures and consists of five processes of granular material preparation, compression, sintering, grinding and sorting, wherein in the compression process, a magnetic core blank is produced by using a die and a press through a pressure forming method.

In the use of the existing PQ type magnetic core forming die, the upper die and the lower die of the die are often positioned inaccurately, the upper die and the lower die are mainly embodied in the die closing process of the upper die and the lower die, if the precision is inaccurate, the PQ type magnetic core is directly influenced for forming, the quality of a product is greatly reduced, the forming yield of the PQ type magnetic core is low, and therefore the application provides a high-stability type production die of the PQ type magnetic core to meet the requirements.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a high-stability production mold for a PQ type magnetic core, which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the present application provides the following technical solutions: the high-stability production die for the PQ-type magnetic core comprises a lower die plate and an upper die plate, wherein the lower die plate is fixedly connected to the top of the lower die plate, an upper die base is fixedly connected to the bottom of the upper die plate, an upper die is fixedly connected to the bottom of the upper die base, support columns are fixedly connected to the periphery of the top of the lower die plate, stand columns are fixedly connected to the periphery of the bottom of the upper die plate, the bottom of each stand column is slidably connected into the corresponding support column, auxiliary blocks are fixedly connected to the two sides of the top of the lower die plate, guide grooves are formed in the auxiliary blocks, butting blocks are fixedly connected to the two sides of the upper die plate, guide blocks are fixedly connected to the side walls of the butting blocks and are matched with the guide grooves, guide columns are fixedly connected to the periphery of the bottom of the upper die base, fixed columns are slidably connected into the guide columns, positioning pins are fixedly connected to the bottom of the fixed columns, two sliding grooves are formed in the side walls of the guide columns, two sliding blocks are fixedly connected to the side walls of the fixed columns, one ends of the sliding blocks are located in the sliding grooves, a second buffer spring is respectively abutted against the guide columns and located above the positioning holes, and are located above the positioning pins and located above the positioning holes of the lower die.

Preferably, the lower die and the upper die are both provided with forming grooves, and the forming grooves are used for forming the internal raw materials into the magnetic core.

Preferably, a first buffer spring is arranged inside the supporting column, and two ends of the first buffer spring are respectively abutted to the supporting column and the upright column.

Preferably, the sliding block is connected with the sliding groove in a sliding mode.

Preferably, an external thread groove is formed in the side wall of the top end of the positioning pin, an internal thread groove is formed in the inner wall of the Debi of the fixing column, and the positioning pin and the fixing column are in threaded connection through the external thread groove and the internal thread groove.

Preferably, the auxiliary block and the butt-joint block are both in an inclined plane structure, and the guide groove is formed in the inclined plane.

Preferably, the edges of the lower template, the lower die, the upper template, the upper die holder and the upper die are all provided with round corners.

Preferably, the locating pin is fixedly sleeved with a limiting ring, the locating hole is provided with a limiting groove, and the limiting ring is matched with the limiting groove

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, when making the cope match-plate pattern move to the lower bolster through stand and the support column that sets up, can tentatively play the function of location, locating hole, locating pin, spacing ring, spacing groove, guide post, spout, fixed column and slider through setting up can make the cope match-plate pattern have further locate function with the bed match-plate pattern time, through setting up auxiliary block and the butt joint piece of inclined plane structure, the butt joint piece can laminate with auxiliary block when moving downwards, the effect of location has been improved more deeply, can more accurate location, avoid the production of deviation, the stability of production has been guaranteed;

2. in the utility model, the impact force generated when the upper die base moves towards the lower die can be buffered through the arranged stand column, the supporting column and the first buffer spring, so that the impact force generated when the upper die and the lower die are closed can be preliminarily relieved, and the impact force generated when the upper die base moves towards the lower die can be further buffered through the arranged second buffer spring, thereby avoiding the damage of the upper die and the lower die caused by overlarge impact force, and prolonging the service life of the upper die and the lower die;

3. the utility model discloses in, through the internal thread groove and the external thread groove that set up, can produce wearing and tearing after the locating pin uses for a long time, can influence the location progress, internal thread groove and external thread groove make the locating pin can follow the inside quick dismantlement of fixed column and get off, reduce the change time, improve machining efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a perspective view of a mold for manufacturing a PQ-type magnetic core with high stability;

FIG. 2 is a schematic view of a three-dimensional enlarged structure of an upper mold plate, an upper mold base, an upper mold, a guide block, a butt-joint block, a guide post and a positioning pin;

FIG. 3 is a schematic view of a partially cut-away enlarged structure of a support pillar and a column;

fig. 4 is a partially cut-away enlarged structure diagram of the matching of the positioning pin and the guide post.

In the figure: 1. a lower template; 2. a lower die; 3. positioning holes; 4. positioning pins; 5. an auxiliary block; 6. a guide groove; 7. a support pillar; 8. mounting a template; 9. a column; 10. a first buffer spring; 11. an upper die holder; 12. an upper die; 13. a butt joint block; 14. a guide block; 15. a guide post; 16. a second buffer spring; 17. a chute; 18. fixing a column; 19. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b): referring to fig. 1-4, a high stability type production mold for a PQ-type magnetic core comprises a lower template 1 and an upper template 8, wherein the top of the lower template 1 is fixedly connected with a lower mold 2, the bottom of the upper template 8 is fixedly connected with an upper mold base 11, the bottom of the upper mold base 11 is fixedly connected with an upper mold 12, the mold comprises a hydraulic unit and a die-casting forming machine, the hydraulic unit and the die-casting forming machine are of the existing structure and are not repeated, the hydraulic unit is a power mechanism of the die-casting forming machine, support columns 7 are fixedly connected around the top of the lower template 1, upright columns 9 are fixedly connected around the bottom of the upper template 8, the bottom ends of the upright columns 9 are slidably connected in the support columns 7, auxiliary blocks 5 are fixedly connected to both sides of the top of the lower mold 2, guide grooves 6 are formed in the auxiliary blocks 5, butt-joint blocks 13 are fixedly connected to both sides of the upper mold 12, and guide blocks 14 are fixedly connected to the side walls of the butt joint blocks 13, the guide block 14 is matched with the guide groove 6, the guide columns 15 are fixedly connected around the bottom of the upper die base 11, the fixed columns 18 are connected in the guide columns 15 in a sliding manner, the positioning pins 4 are fixedly connected to the bottom ends of the fixed columns 18, two sliding grooves 17 are formed in the side walls of the guide columns 15, two sliders 19 are fixedly connected to the side walls of the fixed columns 18, one ends of the sliders 19 are located in the sliding grooves 17, second buffer springs 16 are arranged inside the guide columns 15, two ends of each second buffer spring 16 are respectively abutted to the guide columns 15 and the fixed columns 18, the positioning holes 3 are formed around the top of the lower die 2, the positioning pins 4 are located right above the positioning holes 3 and are matched with each other, forming grooves are formed in the lower die 2 and the upper die 12 and are used for forming internal raw materials into magnetic cores, and the sliders 19 are connected with the sliding grooves 17 in a sliding manner, a limiting ring is fixedly sleeved on the positioning pin 4, a limiting groove is arranged on the positioning hole 3, the limiting ring is matched with the limiting groove, the lower template 1 and the upper template 8 are both arranged on a hydraulic unit of a die-casting forming machine, raw materials are filled into a forming groove in the lower die 2, the hydraulic unit drives the upper die plate 8 to press downwards, the upper die plate 8 drives the upper die holder 11, the upright post 9 and the positioning pin 4 to move downwards, the upright post 9 slides in the supporting column 7, the positioning pin 4 is inserted into the positioning hole 3 along with continuous descending, then the limit ring is jointed with the limit groove to generate interference, then the positioning pin 4 is interfered with the fixed column 18 because the limit ring is pressed, the fixed column 18 slides in the guide column 15, the sliding blocks 19 at two sides of the fixed column 18 also slide in the sliding grooves 17, the fixing post 18 will then compress the second buffer spring 16, to absorb the force generated by the contact between the upper die base 11 and the lower die 2, the guide block 14 on the butt-joint block 13 is fitted into the guide groove 6 inside the auxiliary block 5 to be positioned, and finally the upper mold 12 is closed to the lower mold 2, thereby pressing and molding the material in the molding groove, and initially playing a positioning function when the upper template 8 moves towards the lower template 1 through the arranged upright posts 9 and the supporting columns 7, the positioning holes 3, the positioning pins 4, the limiting rings, the limiting grooves, the guide posts 15, the second buffer springs 16, the sliding grooves 17, the fixing posts 18 and the sliding blocks 19 are arranged, so that the upper die 12 and the lower die 2 can have a further positioning function when being matched, can be accurately positioned, avoid the generation of deviation and improve the forming precision, meanwhile, the second buffer spring 16 can buffer the impact force generated when the upper die holder 11 moves towards the lower die 2, so as to avoid the damage of the upper die 12 and the lower die 2 caused by the overlarge impact force.

The inside of support column 7 is provided with first buffer spring 10, and first buffer spring 10's both ends are inconsistent with support column 7 and stand 9 respectively, can cushion the impact force that 8 pressing of cope match-plate pattern pressed to lower bolster 1 through stand 9, support column 7 and the first buffer spring 10 that set up to the impact force that produces when preliminarily alleviating the compound die of cope match-plate pattern 12 and lower mould 2.

Set up the external thread groove on the 4 top lateral walls of locating pin, seted up the internal thread groove on the dist of fixed column 18's the inner wall, locating pin 4 and fixed column 18 are through external thread groove and internal thread groove threaded connection, through the internal thread groove and the external thread groove that set up, can produce wearing and tearing after locating pin 4 uses for a long time, can influence the location progress, internal thread groove and external thread groove make locating pin 4 can follow the inside quick dismantlement of fixed column 18 and get off, reduce the change time, improve machining efficiency.

Supplementary piece 5 and butt joint piece 13 are the inclined plane structure, and guide way 6 is seted up on the inclined plane, and through supplementary piece 5 and the butt joint piece 13 that sets up the inclined plane structure, butt joint piece 13 can laminate with supplementary piece 5 when the downstream, and positioning effect is better.

Fillets are formed on edges of the lower template 1, the lower die 2, the upper template 8, the upper die base 11 and the upper die 12.

This practical theory of operation: the lower template 1 and the upper template 8 are both installed on a hydraulic unit of a die-casting forming machine, raw materials are filled into a forming groove in the lower mold 2, the hydraulic unit can drive the upper template 8 to press downwards, the upper template 8 can drive the upper mold base 11, the upright post 9 and the positioning pin 4 to move downwards, the upright post 9 can slide in the supporting post 7, the positioning pin 4 can be inserted into the positioning hole 3 along with continuous descending, then the limiting ring can be attached to the limiting groove to generate collision, then the positioning pin 4 can collide the fixing post 18 due to the pressure of the limiting ring, the fixing post 18 can slide in the guiding post 15, the sliding blocks 19 on two sides of the fixing post 18 can also slide in the sliding groove 17, then the fixing post 18 can compress the second buffer spring 16 to absorb the force generated by the contact of the upper mold base 11 and the lower mold 2, the guiding block 14 on the butting block 13 can be attached to the guiding groove 6 in the auxiliary block 5 to be positioned, and finally the upper mold 12 is closed downwards, and the materials in the forming groove are formed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions on some technical features, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a high stable form production mould of PQ type magnetic core, includes lower bolster (1) and cope match-plate pattern (8), top fixedly connected with bed die (2) of lower bolster (1), the bottom fixedly connected with upper die base (11) of cope match-plate pattern (8), mould (12), its characterized in that on the bottom fixedly connected with of upper die base (11): the die comprises a lower die plate (1), a supporting column (7) is fixedly connected to the periphery of the top of the lower die plate (1), an upright column (9) is fixedly connected to the periphery of the bottom of an upper die plate (8), the bottom end of the upright column (9) is connected to the supporting column (7) in a sliding manner, auxiliary blocks (5) are fixedly connected to two sides of the top of a lower die (2), a guide groove (6) is formed in each auxiliary block (5), butt blocks (13) are fixedly connected to two sides of an upper die (12), guide blocks (14) are fixedly connected to the side walls of the butt blocks (13), the guide blocks (14) are matched with the guide grooves (6), guide columns (15) are fixedly connected to the periphery of the bottom of an upper die base (11), fixed columns (18) are connected to the guide columns (15) in a sliding manner, positioning pins (4) are fixedly connected to the bottom ends of the fixed columns (18), two sliding grooves (17) are formed in the side walls of the guide columns (15), two sliding blocks (19) are fixedly connected to the side walls of the fixed columns (18), one end of each sliding block (19) is located in the corresponding to the corresponding inner portion of the corresponding guide column (17), and a second buffer spring (16) is arranged in the corresponding to the corresponding buffer spring (15), locating holes (3) are formed in the periphery of the top of the lower die (2), and the locating pins (4) are located right above the locating holes (3) and are matched with each other.

2. The high stability type production mold for PQ-type magnetic core according to claim 1, wherein: the lower die (2) and the upper die (12) are provided with forming grooves, and the forming grooves are used for forming the internal raw materials into the magnetic cores.

3. The high stability type production mold for a PQ-type magnetic core according to claim 1, wherein: the inner part of the supporting column (7) is provided with a first buffer spring (10), and two ends of the first buffer spring (10) are respectively abutted against the supporting column (7) and the upright column (9).

4. The high stability type production mold for PQ-type magnetic core according to claim 1, wherein: the sliding block (19) is connected with the sliding groove (17) in a sliding mode.

5. The high stability type production mold for PQ-type magnetic core according to claim 1, wherein: an external thread groove is formed in the side wall of the top end of the positioning pin (4), an internal thread groove is formed in the inner wall of the Debi of the fixing column (18), and the positioning pin (4) is in threaded connection with the fixing column (18) through the external thread groove and the internal thread groove.

6. The high stability type production mold for PQ-type magnetic core according to claim 1, wherein: the auxiliary block (5) and the butt-joint block (13) are both of an inclined plane structure, and the guide groove (6) is formed in the inclined plane.

7. The high stability type production mold for a PQ-type magnetic core according to claim 1, wherein: fillets are formed in edges of the lower template (1), the lower die (2), the upper template (8), the upper die base (11) and the upper die (12).

8. The high stability type production mold for a PQ-type magnetic core according to claim 1, wherein: the locating pin (4) is fixedly sleeved with a limiting ring, the locating hole (3) is provided with a limiting groove, and the limiting ring is matched with the limiting groove.