CN219443345U

CN219443345U - Forming die for manufacturing high-precision U-shaped iron

Info

Publication number: CN219443345U
Application number: CN202320212929.5U
Authority: CN
Inventors: 黄忠明
Original assignee: HAIYAN ZHONGMING MACHINERY CO Ltd
Current assignee: HAIYAN ZHONGMING MACHINERY CO Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-08-01
Anticipated expiration: 2033-02-14

Abstract

The application discloses forming die that high accuracy U iron manufacture was used relates to mould technical field, including bed die and last mould, the spout has been seted up to the top surface of bed die, the inner wall sliding connection of spout has the connecting rod, the side fixedly connected with ejector pin of connecting rod, the ejector pin activity is pegged graft in the bottom surface of bed die inner wall, be provided with first spring between connecting rod and the spout, the slot has been seted up to the top surface of bed die, the inner wall of slot is provided with the second spring, the bottom surface of going up the mould is provided with the locating lever, the locating lever activity peg graft at the inner wall of slot and with the upper end butt of second spring. The utility model provides a pulling gag lever post removes and makes the locating lever lose spacingly with the locating lever separation behind the sand mould shaping, is convenient for promote the locating lever through the second spring and reciprocates and make mould and lower mould separation this moment, promotes the connecting rod through first spring simultaneously and reciprocates and drive the ejector pin and reciprocate to upwards promote the sand mould through the ejector pin.

Description

Forming die for manufacturing high-precision U-shaped iron

Technical Field

The application relates to the technical field of dies, in particular to a forming die for manufacturing high-precision U-shaped iron.

Background

The shape of the loudspeaker on different electronic and electric equipment is different, so that the corresponding accessory sizes are obviously different, on some large-scale electric equipment, the size of the U iron is also increased along with adjustment, the traditional small-scale U iron is manufactured in a stamping or stretching mode, but the method is not suitable for the work of preparing the large-scale U iron, the stamping or stretching machining process of the large-scale U iron is difficult, the requirements on equipment and processing personnel are high, the method is not suitable for mass production, the U iron is cast in a sand mold casting mode, a finished part model is required to be placed in sand, sand is then filled at the end of the model, so that a casting mold is formed, then the casting mold is used for preparing parts, and the method has the advantages of low manufacturing cost and capability of producing parts with various sizes.

The prior patent (publication number: CN 211052439U) discloses a forming die for U-shaped iron of a loudspeaker, which comprises an upper die and a lower die, wherein a die cavity penetrating through the top is formed in the lower die, a sealing groove communicated with the die cavity is formed in the top of the lower die, the area size of the sealing groove is larger than that of the die cavity, a sealing plate matched with the sealing groove is fixedly arranged at the bottom of the upper die, and a pressing plate is fixedly arranged at the bottom of the sealing plate. In the process of realizing the scheme, the following problems in the prior art are found, and the problems are not well solved: the device is cast the sand mo (u) ld through last mould and lower mould cooperation, and the operator need take out it from the lower mould after the sand mo (u) ld casting is accomplished, and the operator need use the mould instrument of getting out to get out the mould to the sand mo (u) ld this moment, and consequently the sand mo (u) ld is comparatively troublesome when getting out the mould.

Disclosure of Invention

In order to improve the device of the above-mentioned and cast the sand mould through last mould and lower mould cooperation, the operator need take out it from the lower mould after the sand mould casting is accomplished, and the operator need use the mould instrument of getting out to get out the mould to the sand mould this moment, therefore the sand mould is comparatively troublesome problem when getting out the mould, this application provides a forming die that high accuracy U iron manufacture was used.

The application provides a forming die for manufacturing high-precision U iron, which adopts the following technical scheme:

the utility model provides a forming die that high accuracy U iron was made usefulness, includes bed die and last mould, the spout has been seted up to the top surface of bed die, the inner wall sliding connection of spout has the connecting rod, the side fixedly connected with ejector pin of connecting rod, the ejector pin activity is pegged graft in the bottom surface of bed die inner wall, be provided with first spring between connecting rod and the spout, the slot has been seted up to the top surface of bed die, the inner wall of slot is provided with the second spring, the bottom surface of last mould is provided with the locating lever, the locating lever activity is pegged graft at the inner wall of slot and with the upper end butt of second spring, the side activity of bed die is pegged graft there is the gag lever post, the gag lever post runs through the bed die and is pegged graft with the side activity of locating lever post, be provided with the third spring between gag lever post and the bed die.

Through the technical scheme, the lower die and the upper die are combined together, so that the positioning rod is promoted to be inserted into the slot, and then the third spring pulls the limiting rod to move and be inserted into the positioning rod, so that the upper die and the lower die are conveniently fixed together, and the position of the upper die and the position of the lower die are reduced to change and influence the precision of the sand die in the device when the device is collided.

Optionally, in the forming mold for manufacturing high-precision U-iron, the number of the sliding grooves is four, and two of the four sliding grooves are a group and are symmetrical with respect to the lower mold.

Through the technical scheme, the four connecting rods are convenient to assemble through the four sliding grooves, the four ejector rods are driven to move upwards through the four connecting rods so as to facilitate pushing the sand mould to move upwards, and therefore operators can conveniently take the sand mould.

Optionally, in the forming mold for manufacturing high-precision U-iron, electric heating wires are disposed inside the upper mold and the lower mold.

Through above-mentioned technical scheme, be convenient for heat the sand mould through the electric heating wire to accelerate the shaping speed of sand mould.

Optionally, in the forming mold for manufacturing high-precision U iron, the top end of the ejector rod is flush with the bottom surface of the inner wall of the lower mold after the ejector rod moves downwards, and the side surface of the inner wall of the lower mold is provided with the sand inlet.

Through above-mentioned technical scheme, be convenient for the operator to pour the sand between last mould and the bed die through the sand inlet.

Optionally, in the forming mold for manufacturing high-precision U iron, the number of the slots and the positioning rods is four, the four slots are rectangular and distributed on the top surface of the lower mold, the four positioning rods are rectangular and distributed on the bottom surface of the upper mold, and the four positioning rods are respectively movably inserted into the inner walls of the four slots.

Through above-mentioned technical scheme, be convenient for increase the accuracy when mould and bed die splice through four locating levers and four slot cooperation.

Optionally, in the forming die for manufacturing high-precision U iron, the number of the limiting rods is two, the two limiting rods are symmetrical with respect to the lower die, the limiting rods are composed of two round rods and a transverse plate, and the two round rods are respectively and fixedly connected to two ends of the transverse plate.

Through above-mentioned technical scheme, peg graft through gag lever post and locating lever post and be convenient for fix it inside the slot to be convenient for fix last mould and bed die together.

Optionally, in the forming mold for manufacturing high-precision U iron, one end of the limiting rod, which is close to the positioning rod, is a chamfer surface, and the edge at the lower end of the positioning rod is subjected to fillet treatment.

Through the technical scheme, when the locating rod is in conflict with the locating rod, the locating rod automatically moves outwards, so that an operator is promoted to insert the paper pulp locating rod into the slot.

In summary, the present application includes at least one of the following beneficial effects: 1. the sand mould is formed, the limiting rod is pulled to move and separated from the positioning rod to enable the positioning rod to lose limiting, at the moment, the positioning rod is conveniently pushed to move upwards to enable the upper mould to be separated from the lower mould through the second spring, meanwhile, the connecting rod is pushed to move upwards through the first spring to drive the ejector rod to move upwards, and therefore the sand mould is pushed upwards through the ejector rod, and an operator can conveniently take out the sand mould;

2. the lower die and the upper die are combined together, so that the positioning rod is promoted to be inserted into the slot, and then the third spring pulls the limiting rod to move and be spliced with the positioning rod, so that the upper die and the lower die are conveniently fixed together, the position of the upper die and the position of the lower die are reduced to change when the device is collided, the precision of the sand die in the upper die and the lower die is influenced, and the precision of casting U-shaped iron by the sand die is conveniently increased.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a cross-sectional view of a partially expanded configuration of the present application;

fig. 3 is a partial perspective view of a cross-section of the present application.

In the figure: 1. a lower die; 2. an upper die; 3. a chute; 4. a connecting rod; 5. a push rod; 6. a first spring; 7. a slot; 8. a second spring; 9. a positioning rod; 10. a limit rod; 11. a third spring; 12. an electric heating wire; 13. sand inlet.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

Referring to fig. 1, fig. 2 and fig. 3 of the drawings, an embodiment provided in the present application is: the utility model provides a forming die that high accuracy U iron was made usefulness, includes bed die 1 and last mould 2, spout 3 has been seted up to the top surface of bed die 1, the inner wall sliding connection of spout 3 has connecting rod 4, the side fixedly connected with ejector pin 5 of connecting rod 4, ejector pin 5 activity is pegged graft in the bottom surface of bed die 1 inner wall, be provided with first spring 6 between connecting rod 4 and the spout 3, the quantity of spout 3 is four, four spout 3 are two and are a set of and about bed die 1 symmetry, are convenient for assemble four connecting rods 4 through four spouts 3, drive four ejector pins 5 through four connecting rods 4 and move upward and be convenient for promote the sand mould and reciprocate to the operator of being convenient for gets the mould to the sand mould.

The top surface of bed die 1 has seted up slot 7, slot 7's inner wall is provided with second spring 8, the bottom surface of last mould 2 is provided with locating lever 9, locating lever 9 activity peg graft at slot 7's inner wall and with the upper end butt of second spring 8, slot 7 and locating lever 9's quantity is four slot 7 is the rectangle and distributes at bed die 1's top surface, four locating lever 9 is the rectangle and distributes at the bottom surface of last mould 2, four locating lever 9 activity respectively peg graft at four slot 7's inner wall, be convenient for increase the accuracy when mould 2 and bed die 1 splice through four locating lever 9 and four slot 7 cooperation to be convenient for increase the accuracy when sand mould manufacturing.

The side activity of bed die 1 has pegged graft and has gag lever post 10, gag lever post 10 runs through bed die 1 and pegging graft with the side activity of locating lever 9, the quantity of gag lever post 10 is two, two gag lever post 10 is symmetrical about bed die 1, gag lever post 10 comprises two round bars and diaphragm, two round bars are fixed connection respectively at the both ends of diaphragm, peg graft through gag lever post 10 and locating lever 9 and be convenient for fix it inside slot 7 to be convenient for fix upper die 2 and bed die 1 together.

Be provided with third spring 11 between gag lever post 10 and the bed die 1, the one end that gag lever post 10 is close to locating lever 9 is the chamfer, the fillet is handled to the arris of locating lever 9 lower extreme, and gag lever post 10 is automatic to outside removal when locating lever 9 contradicts with gag lever post 10 to make the operator can paper pulp locating lever 9 insert inside slot 7, therefore it is more convenient when last mould 2 and bed die 1 concatenation.

Referring to fig. 2 of the drawings, the inner parts of the upper die 2 and the lower die 1 are respectively provided with an electric heating wire 12, and the electric heating wires 12 are used for conveniently heating the upper die 2 and the lower die 1, so that the molding speed of the sand mold is increased.

Referring to fig. 2 and 3 in the drawings of the specification, the top end of the ejector rod 5 is flush with the bottom surface of the inner wall of the lower die 1 after the ejector rod 5 moves downwards, a sand inlet 13 is formed in the side surface of the inner wall of the lower die 1, an operator can conveniently pour sand between the upper die 2 and the lower die 1 through the sand inlet 13, and the ejector rod 5 is convenient for rapidly demolding a sand die.

Working principle: when the forming die for manufacturing the high-precision U-shaped iron is used, the lower die 1 and the upper die 2 are combined together, so that the positioning rod 9 is promoted to be inserted into the slot 7, and then the third spring 11 pulls the limiting rod 10 to move and be spliced with the positioning rod 9, so that the upper die 2 and the lower die 1 are conveniently fixed together;

when the lower die 1 and the upper die 2 are combined together, the upper die 2 extrudes the connecting rod 4 to drive the ejector rod 5 to move downwards, at the moment, the upper end of the ejector rod 5 is flush with the inner wall of the lower die 1, and then sand is filled between the lower die 1 and the upper die 2 to form a sand die;

the sand mould shaping back pulling gag lever post 10 removes and makes locating lever 9 lose spacingly with locating lever 9 separation, is convenient for promote locating lever 9 to move up through second spring 8 at this moment and makes mould 2 and lower mould 1 separation, promotes connecting rod 4 through first spring 6 simultaneously and moves up and drive ejector pin 5 and move up to promote the sand mould through ejector pin 5, and then be convenient for the operator to the sand mould die of getting rid of, be convenient for cast the U iron through the sand mould at last.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a forming die that high accuracy U iron was made usefulness, includes bed die (1) and last mould (2), its characterized in that: the top surface of the lower die (1) is provided with a chute (3), the inner wall of the chute (3) is connected with a connecting rod (4) in a sliding manner, the side surface of the connecting rod (4) is fixedly connected with a push rod (5), the push rod (5) is movably inserted into the bottom surface of the inner wall of the lower die (1), a first spring (6) is arranged between the connecting rod (4) and the chute (3), the top surface of the lower die (1) is provided with a slot (7), the inner wall of the slot (7) is provided with a second spring (8), the bottom surface of last mould (2) is provided with locating lever (9), locating lever (9) activity grafting is at the inner wall of slot (7) and with the upper end butt of second spring (8), the side activity grafting of bed die (1) has gag lever post (10), gag lever post (10) run through bed die (1) and with the side activity grafting of locating lever (9), be provided with third spring (11) between gag lever post (10) and bed die (1).

2. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: the number of the sliding grooves (3) is four, and two sliding grooves (3) are a group and are symmetrical relative to the lower die (1).

3. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: and electric heating wires (12) are arranged in the upper die (2) and the lower die (1).

4. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: the top end of the ejector rod (5) is flush with the bottom surface of the inner wall of the lower die (1) after the ejector rod (5) moves downwards, and a sand inlet (13) is formed in the side surface of the inner wall of the lower die (1).

5. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: the number of the slots (7) and the positioning rods (9) is four, the four slots (7) are distributed on the top surface of the lower die (1) in a rectangular shape, the four positioning rods (9) are distributed on the bottom surface of the upper die (2) in a rectangular shape, and the four positioning rods (9) are movably inserted into the inner walls of the four slots (7) respectively.

6. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: the number of the limiting rods (10) is two, the two limiting rods (10) are symmetrical with respect to the lower die (1), the limiting rods (10) are composed of two round rods and a transverse plate, and the two round rods are respectively and fixedly connected to two ends of the transverse plate.

7. The forming die for manufacturing high-precision U-iron according to claim 1, wherein: one end of the limiting rod (10) close to the positioning rod (9) is a chamfer surface, and the edge at the lower end of the positioning rod (9) is subjected to fillet treatment.