CN210758745U

CN210758745U - Polyurethane sealing ring production casting forming die

Info

Publication number: CN210758745U
Application number: CN201921562822.3U
Authority: CN
Inventors: 王堃
Original assignee: Yunnan Shenxing Technology Co ltd
Current assignee: Yunnan Shenxing Technology Co ltd
Priority date: 2019-09-19
Filing date: 2019-09-19
Publication date: 2020-06-16
Anticipated expiration: 2029-09-19

Abstract

The utility model relates to a casting moulding mould technical field specifically is a polyurethane sealing washer production casting moulding mould, including last mould, the top center department of going up the mould is equipped with the sprue gate, and the top of sprue gate is equipped with main logical groove, and the main both ends that lead to the groove are equipped with the vice logical groove of symmetric distribution, and it has a plurality of intercommunication grooves to distribute about two vice logical grooves vertically and horizontally, and the position that the bottom of going up the mould is close to the edge is equipped with the spacing frame of rectangle, and the bottom of going up the mould is equipped with two rows of last sealing washer moulds that are symmetric distribution, and the bottom of going up the mould is equipped with the. This polyurethane sealing washer production casting forming die, through main logical groove, vice logical groove and the intercommunication groove to a plurality of shape mould pouring, prevent to pour into a mould the inhomogeneous condition in the shape mould, through the cooperation of spring, annular kicking block and annular briquetting, can make the pouring accomplish the back, will go up the mould and upwards release to be convenient for demolish the mould, go up rectangle slot, lower rectangle slot and U-shaped inserted block can make mould and bed die fixed position, avoid being released by the spring.

Description

Polyurethane sealing ring production casting forming die

Technical Field

The utility model relates to a casting moulding mould technical field specifically is a polyurethane seal circle production casting moulding mould.

Background

Polyurethane sealing washer generally is arranged in the engineering apparatus, plays shock attenuation and sealed effect, and the sealing washer is mostly the circular solid of revolution, and production is through casting moulding, need use forming die, and current forming die is difficult for demolising when the drawing of patterns, also takes place the more and inhomogeneous condition of pouring of surperficial deckle edge easily when pouring, in view of this, we provide a polyurethane sealing washer production casting moulding die.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyurethane sealing washer production casting mold to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a casting forming die for producing polyurethane sealing rings comprises an upper die, wherein a pouring port is arranged in the center of the top of the upper die, a main through groove is formed in the top of the pouring port, auxiliary through grooves are symmetrically formed in two ends of the main through groove, a plurality of communicating grooves are longitudinally and transversely distributed around the two auxiliary through grooves, a rectangular limiting frame is arranged at the position, close to the edge, of the bottom of the upper die, two rows of upper sealing ring-shaped dies are symmetrically distributed at the bottom of the upper die, a through hole is formed in the top of each upper sealing ring-shaped die and communicated with the communicating grooves, three through holes are formed in the tops of four upper sealing ring-shaped dies at two ends of the two auxiliary through grooves, at least eight annular pressing blocks which are symmetrically distributed with each other are arranged at the positions, close to four side edges, of the bottom of the upper die and in the rectangular limiting frame, the bottom of the upper die is provided with a lower die, the top of the lower die is provided with a frame-shaped limiting groove at a position close to the edge, the top of the lower die is provided with two rows of lower sealing ring-shaped dies which are symmetrically distributed, the positions of the lower sealing ring-shaped dies correspond to the positions of the upper sealing ring-shaped dies, the positions of the tops of the lower die, which are close to the four side edges and are positioned in the frame-shaped limiting groove, are provided with at least eight annular grooves which are symmetrically distributed mutually, and the positions of the annular grooves correspond to the positions of the annular pressing blocks.

Preferably, two sets of upper rectangular slots which are symmetrically distributed are arranged on two sides of the upper die, and two sets of lower rectangular slots which are symmetrically distributed are arranged on two sides of the lower die.

Preferably, the LED lamp also comprises a U-shaped inserting block, one end of the U-shaped inserting block is inserted into the upper rectangular slot, and the other end of the U-shaped inserting block is inserted into the lower rectangular slot.

Preferably, the bottom of ring channel bonds there is the spring, the top of spring bonds there is annular kicking block, just the surface of annular kicking block with the surface of bed die is in same horizontal plane, the internal and external diameter of annular kicking block with the inside and outside diameter of annular briquetting is the same, annular kicking block with annular briquetting all with ring channel sliding connection.

Preferably, the shape and size of the rectangular limiting frame are matched with the shape and size of the frame-shaped limiting groove, and the upper die is connected with the lower die in an inserting mode.

Preferably, the shape and size of the lower sealing ring die are the same as those of the upper sealing ring die, and the edges of the lower sealing ring die and the upper sealing ring die are completely attached.

Preferably, the height of the rectangular limiting frame is the same as that of the annular pressing block.

Compared with the prior art, the beneficial effects of the utility model are that:

this polyurethane sealing washer production casting forming die, through the main groove that is equipped with, vice logical groove and intercommunication groove are to a plurality of shape mould pouring, can prevent the inhomogeneous condition of pouring in the shape mould, through the spring that is equipped with, the cooperation of annular kicking block and annular briquetting, can make the pouring accomplish the back, upwards release last mould, thereby be convenient for demolish the mould, last rectangle slot through being equipped with, lower rectangle slot and U-shaped inserted block can make mould and bed die fixed position, avoid being released by the spring.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall exploded structure of the present invention;

fig. 3 is a schematic view of a first view angle structure of the upper mold of the present invention;

fig. 4 is a second view structural diagram of the upper mold of the present invention;

fig. 5 is a schematic sectional structure view of an upper mold of the present invention;

FIG. 6 is a schematic view of the structure of the lower mold of the present invention;

fig. 7 is a schematic sectional view of a lower mold according to the present invention;

fig. 8 is an enlarged view of a position a in the present invention.

In the figure: the casting mold comprises an upper mold 1, a pouring gate 10, a rectangular limiting frame 11, an upper sealing ring-shaped mold 12, a through hole 120, an annular pressing block 13, an upper rectangular slot 14, a main through groove 15, an auxiliary through groove 16, a communicating groove 17, a lower mold 2, a lower sealing ring-shaped mold 20, a frame-shaped limiting groove 21, an annular groove 22, a lower rectangular slot 23, a U-shaped inserting block 3, a spring 4 and an annular jacking block 5.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1 to 8, the present invention provides a technical solution:

the utility model provides a polyurethane sealing washer production casting forming die, including last mould 1, the top center department of going up mould 1 is equipped with sprue gate 10, the top of sprue gate 10 is equipped with main logical groove 15, main both ends that lead to groove 15 are equipped with symmetric distribution's vice logical groove 16, the raw materials passes through main logical groove 15 during the pouring and flows to vice logical groove 16, the raw materials flows in four last sealing washer form moulds 12 through two vice logical grooves 16 again, two vice logical groove 16 distribute with great ease around have a plurality of intercommunication grooves 17, flow in to other forms moulds through intercommunication groove 17.

The bottom of the upper die 1 is provided with a rectangular limiting frame 11 at a position close to the edge, the bottom of the upper die 1 is provided with two rows of upper sealing ring-shaped dies 12 which are symmetrically distributed, the top of each upper sealing ring-shaped die 12 is provided with a through hole 120, the through holes 120 are communicated with a communicating groove 17, when one die is filled with pouring raw materials, the upper sealing ring-shaped dies flow to other dies, the raw materials are fully filled in each die, the number of burrs after forming is reduced, the quality of formed products is improved, the tops of the four upper sealing ring-shaped dies 12 at two ends of two auxiliary through grooves 16 are provided with three through holes 120, so that the raw materials can flow to other dies through the dies at two ends of the auxiliary through grooves 16, the positions of the bottom of the upper die 1 close to the four side edges and in the rectangular limiting frame 11 are provided with at least eight annular pressing blocks 13 which are symmetrically distributed mutually, the annular pressing blocks 13 further play a limiting, the top of bed die 2 is close to the position on edge and is equipped with frame shape spacing groove 21, the top of bed die 2 is equipped with two rows and is the lower seal ring die 20 of symmetric distribution, the position of lower seal ring die 20 is corresponding with the position of last seal ring die 12, make lower seal ring die 20 and last seal ring die 12 one-to-one and can laminate completely, the position that the top of bed die 2 is close to four side edges and is located frame shape spacing groove 21 is equipped with eight at least ring channels 22 of symmetric distribution of each other, the position of ring channel 22 is corresponding with the position of annular briquetting 13, can strengthen the steadiness of bed die 1 and bed die 2 through annular briquetting 13 and ring channel 22.

In this embodiment, the both sides of going up mould 1 are equipped with the last rectangle slot 14 of two sets of symmetric distributions, and the both sides of bed die 2 are equipped with the lower rectangle slot 23 of two sets of symmetric distributions, still include U-shaped inserted block 3, and the one end of U-shaped inserted block 3 is pegged graft with last rectangle slot 14, and the other end of U-shaped inserted block 3 is pegged graft with lower rectangle slot 23, can be with last mould 1 and bed die 2 fixed position through U-shaped inserted block 3, makes and goes up sealing washer die 12 and lower sealing washer die 20 and laminate completely.

Specifically, the bottom of ring channel 22 bonds and has spring 4, the top of spring 4 bonds and has annular kicking block 5, can upwards promote last mould 1 through spring 4 and annular kicking block 5, be convenient for open last mould 1, and the surface of annular kicking block 5 and bed die 2's surface are in same horizontal plane, the inside and outside footpath of annular kicking block 5 is the same with the internal and outside footpath of annular briquetting 13, annular kicking block 5 all with ring channel 22 sliding connection with annular briquetting 13, be convenient for to the installation of last mould 1 and demolish.

Specifically, the shape and size of the rectangular limiting frame 11 are matched with the shape and size of the frame-shaped limiting groove 21, the upper die 1 is connected with the lower die 2 in an inserting mode, and the positions of the upper die 1 and the lower die 2 can be fixed through the connection of the rectangular limiting frame 11 and the frame-shaped limiting groove 21.

Further, the shape and size of the lower sealing ring mould 20 are the same as those of the upper sealing ring mould 12, and the edges are completely attached, so that raw materials are prevented from overflowing from gaps during pouring.

Besides, the height of the rectangular limiting frame 11 is the same as that of the annular pressing block 13, on one hand, the damage caused by excessive deformation of the spring 4 can be avoided, and on the other hand, the upper die 1 can be stably placed on a workbench or the ground when not used.

When the polyurethane sealing ring production casting molding mold of the embodiment is used, a user aligns the rectangular limiting frame 11 of the upper mold 1 with the frame-shaped limiting groove 21 of the lower mold 2, then presses the upper mold 1 downwards until the upper mold 1 is completely attached to the lower mold 2, then inserts the U-shaped insert 3 into the upper rectangular slot 14 and the lower rectangular slot 23 to fix the positions of the upper mold 1 and the lower mold 2, and at the moment, the annular pressing block 13 presses the annular top block 5 downwards, so that the spring 4 is compressed and deformed; then an injection molding head of a casting machine is inserted into the casting port 10, casting is carried out on the mold, raw materials enter the auxiliary through grooves 16 from the main through grooves 15, then casting is carried out on the shape molds at two ends from the auxiliary through grooves 16, after the shape molds at two ends of the auxiliary through grooves 16 are filled with the raw materials, the raw materials flow to the adjacent shape molds from the through holes 120 at the tops of the shape molds through the communication grooves 17, so that each shape mold is fully cast in sequence, and the integrity of a molded product is improved; after the pouring is finished and the cooling is finished, the user extracts the U-shaped insert block 3, and due to the reset effect of the spring 4, the annular ejecting block 5 is pushed to move upwards, so that the upper die 1 is pushed to move upwards, and then the user takes the upper die 1 away to take out a formed product.

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 polyurethane sealing washer production casting mold, includes mould (1), its characterized in that: the pouring gate is characterized in that a pouring gate (10) is arranged at the center of the top of the upper die (1), a main through groove (15) is arranged at the top of the pouring gate (10), auxiliary through grooves (16) which are symmetrically distributed are arranged at two ends of the main through groove (15), a plurality of communicating grooves (17) are longitudinally and transversely distributed around the two auxiliary through grooves (16), a rectangular limiting frame (11) is arranged at the position, close to the edge, of the bottom of the upper die (1), two rows of upper sealing ring-shaped dies (12) which are symmetrically distributed are arranged at the bottom of the upper die (1), a through hole (120) is formed in the top of each upper sealing ring-shaped die (12), the through holes (120) are communicated with the communicating grooves (17), four upper sealing ring-shaped dies (12) which are symmetrically distributed are arranged at two ends of the two auxiliary through grooves (16) are formed at the top of the three through holes (120), at least eight mutually opposite positions, close to four side edges, of the bottom of the The sealing device comprises annular pressing blocks (13) which are symmetrically distributed, a lower die (2) is arranged at the bottom of the upper die (1), frame-shaped limiting grooves (21) are formed in the positions, close to the edges, of the top of the lower die (2), two rows of lower sealing ring-shaped dies (20) which are symmetrically distributed are arranged at the top of the lower die (2), the positions of the lower sealing ring-shaped dies (20) correspond to the positions of the upper sealing ring-shaped dies (12), at least eight annular grooves (22) which are symmetrically distributed are formed in the positions, close to the four side edges, of the top of the lower die (2) and located in the frame-shaped limiting grooves (21), and the positions of the annular grooves (22) correspond to the positions of the annular pressing blocks (13).

2. The casting mold for producing the polyurethane sealing ring according to claim 1, wherein: two sides of the upper die (1) are provided with two groups of upper rectangular slots (14) which are symmetrically distributed, and two sides of the lower die (2) are provided with two groups of lower rectangular slots (23) which are symmetrically distributed.

3. The casting mold for producing the polyurethane sealing ring according to claim 2, wherein: the novel LED lamp is characterized by further comprising a U-shaped inserting block (3), one end of the U-shaped inserting block (3) is connected with the upper rectangular slot (14) in an inserting mode, and the other end of the U-shaped inserting block (3) is connected with the lower rectangular slot (23) in an inserting mode.

4. The casting mold for producing the polyurethane sealing ring according to claim 1, wherein: the bottom of ring channel (22) bonds and has spring (4), the top of spring (4) bonds and has annular kicking block (5), just the surface of annular kicking block (5) with the surface of bed die (2) is in same horizontal plane, the interior external diameter of annular kicking block (5) with the interior external diameter of annular briquetting (13) is the same, annular kicking block (5) with annular briquetting (13) all with ring channel (22) sliding connection.

5. The casting mold for producing the polyurethane sealing ring according to claim 1, wherein: the shape and size of the rectangular limiting frame (11) are matched with the shape and size of the frame-shaped limiting groove (21), and the upper die (1) is connected with the lower die (2) in an inserting mode.

6. The casting mold for producing the polyurethane sealing ring according to claim 1, wherein: the shape and the size of the lower sealing ring mould (20) are the same as those of the upper sealing ring mould (12), and the edges of the lower sealing ring mould and the upper sealing ring mould are completely attached.

7. The casting mold for producing the polyurethane sealing ring according to claim 1, wherein: the height of the rectangular limiting frame (11) is the same as that of the annular pressing block (13).