CN217798906U

CN217798906U - Device for automatically eliminating shrinkage porosity phenomenon in valve body casting

Info

Publication number: CN217798906U
Application number: CN202221599639.2U
Authority: CN
Inventors: 邱根民; 江仁军
Original assignee: Jiangsu Davi Machinery Co ltd
Current assignee: Jiangsu Davi Machinery Co ltd
Priority date: 2022-06-23
Filing date: 2022-06-23
Publication date: 2022-11-15
Anticipated expiration: 2032-06-23

Abstract

The utility model discloses an automatic eliminate device of valve body foundry goods internal shrinkage porosity phenomenon, the on-line screen storage device comprises a base, the upper surface dead axle of base rotates and is connected with the rolling disc, the upper surface of rolling disc is provided with the standing groove, be provided with the mould in the standing groove, the sprue has been seted up to the upper surface of mould, fixedly connected with ring gear on the outline of rolling disc bottom, the ring gear transmission is connected with two complementary unit who eliminates the foundry goods internal shrinkage porosity, complementary unit includes that base upper surface dead axle rotates the gear of connection, base upper surface edge is close to a side-mounting fixed plate of gear, the spout has been seted up on the surface of fixed plate and has the propelling movement frame through the spacing sliding connection of this spout, the last fixed surface of gear is connected with the eccentric column that promotes the propelling movement of propelling movement frame, the one end setting that the pushing movement is close to the standing groove strikes the mould. The utility model discloses possess the shrinkage porosity phenomenon that effectively reduces the interior valve body foundry goods of mould, easy operation, the problem of proposing in the background art has been solved to the advantage that the practicality is high.

Description

Device for automatically eliminating shrinkage porosity phenomenon in valve body casting

Technical Field

The utility model relates to a valve body foundry goods technical field, concretely relates to automatic eliminate device of interior shrinkage porosity phenomenon of valve body foundry goods.

Background

The casting is an object with certain shape, size and performance obtained by pouring smelted liquid metal into a prepared casting mould by pouring, injecting, sucking or other casting methods, cooling and then performing subsequent processing means such as grinding and the like.

Modern valve body casting belongs to the foundry goods equipment, but current foundry goods is when carrying out the valve body casting, in the foundry goods solidification later stage, the change of temperature gradient, many tiny crystalline grains can appear in the casting solution, grow up after interconnect at the crystalline grain, cut apart into the little molten bath that does not communicate with each other with remaining molten metal, these little molten baths can not obtain the feeding of liquid when further cooling and solidification, can produce many tiny holes, when the shrinkage porosity phenomenon appears in the course of working in the shrinkage porosity valve body casting, can reduce the life-span and the performance of valve body casting, improve this and propose the device of the interior shrinkage porosity phenomenon of automatic elimination valve body casting.

Disclosure of Invention

An object of the utility model is to provide an automatic eliminate device of valve body foundry goods internal shrinkage porosity phenomenon possesses the shrinkage porosity phenomenon that effectively reduces the valve body foundry goods in the mould, easy operation, the problem of proposing among the background art has been solved to the advantage that the practicality is high.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides an automatic eliminate device of valve body foundry goods internal shrinkage porosity phenomenon, includes the base, the upper surface dead axle of base rotates and is connected with the rolling disc, the upper surface of rolling disc is provided with the standing groove, be provided with the mould in the standing groove, the sprue has been seted up to the upper surface of mould, fixedly connected with ring gear on the outline of rolling disc bottom, the ring gear transmission is connected with two complementary units that eliminate the internal shrinkage porosity of foundry goods, complementary unit includes that the base upper surface dead axle rotates the gear of connection, base upper surface edge is close to a side-mounting fixed plate of gear, the spout has been seted up on the surface of fixed plate and has the propelling movement frame through the spacing sliding connection of this spout, the last fixed surface of gear is connected with the eccentric column that promotes the propelling movement of propelling movement frame, the one end that the propelling movement frame is close to the standing groove sets up and strikes the head to the mould knocking.

Preferably, the number of the gears is two, the two gears are respectively located on two sides of the toothed ring, the two gears are meshed with the toothed ring on the rotating disc, the lower surface of the base is fixedly provided with the driving motor, and an output shaft of the driving motor penetrates through the upper surface of the base and is fixedly connected with the rotating disc.

Preferably, the eccentric columns on the two gears are alternately arranged, and the upper surface of the pushing frame is provided with an annular groove matched with the eccentric columns.

Preferably, the upper surface of the base is close to two portal frames which are symmetrically arranged and fixedly connected with two sides of the mold, the lower surfaces of the two portal frames are fixedly connected with limiting strips, and the upper surface of the pushing frame is provided with a sliding groove and is in limiting sliding connection with the limiting strips through the sliding groove.

Preferably, the opposite sides of the two portal frames are fixedly connected with protection plates, one side of each protection plate, which is close to the mold, is provided with a first arc-shaped groove matched with the protection plate, and one side of each protection plate, which is close to the eccentric column, is provided with a second arc-shaped groove matched with the protection plate.

Preferably, two the tip that promotes the frame and be close to the mould is seted up and is supplied to strike the spacing gliding through-hole of head, be provided with the spring in the through-hole, spring one end and through-hole inner wall fixed connection, the spring other end with strike head fixed connection.

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

1. the utility model discloses a rolling disc drives the mould and rotates, can make the casting solution that is located in the mould evenly distributed in the mould, and the eccentric post of gear upper surface promotes the pushing frame, when the striking head on the pushing frame moves to the mould, strikes the mould through the striking head and makes the mould vibrate slightly, can reduce the shrinkage porosity phenomenon in the mould;

2. the spring is arranged in the through hole on the pushing frame, the spring plays a role of buffering, the knocking head is prevented from causing overlarge impact force to the surface of the die, the knocking head is made to knock the die to make the die vibrate slightly, and the shrinkage porosity phenomenon in the die can be reduced;

3. the utility model discloses a set up the guard plate and can prevent that unnecessary casting solution from dripping to ring gear and gear on, through arc wall one and arc wall two of seting up on the guard plate, prevent to cause the motion to interfere to eccentric post and sprue.

Drawings

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

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

FIG. 3 is a schematic view of the three-dimensional structure of the present invention;

fig. 4 is a schematic view of the sectional structure of the pushing frame of the present invention.

In the figure: 1. a base; 2. rotating the disc; 3. a placement groove; 4. a mold; 5. a material injection port; 6. a toothed ring; 7. a gear; 8. an eccentric column; 9. a pushing frame; 10. a fixing plate; 11. a gantry; 12. a spring; 13. a drive motor; 14. a protection plate; 15. a limiting strip; 16. a knocking head.

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.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an automatic eliminate device of valve body foundry goods internal shrinkage porosity phenomenon, the on-line screen storage device comprises a base 1, the upper surface dead axle of base 1 rotates and is connected with rolling disc 2, the upper surface of rolling disc 2 is provided with standing groove 3, be provided with mould 4 in the standing groove 3, sprue 5 has been seted up to the upper surface of mould 4, fixedly connected with ring gear 6 on the outline of rolling disc 2 bottom, ring gear 6 transmission is connected with two complementary units that eliminate the internal shrinkage porosity of foundry goods, complementary unit includes that base 1 upper surface dead axle rotates gear 7 of connection, base 1 upper surface edge is close to one side installation fixed plate 10 of gear 7, the spout has been seted up on the surface of fixed plate 10 and has the propelling movement frame 9 through the spacing sliding connection of this spout, the last fixed surface of gear 7 is connected with the eccentric column 8 that promotes propelling movement frame 9 and move, the one end that propelling movement frame 9 is close to standing groove 3 is provided with the head of knocking 16 of beating to mould 4.

Through the sprue 5 of seting up on the mould 4, pour into casting solution into mould 4 through sprue 5 in, when rolling disc 2 on the base 1 rotates, can make mould 4 on the rolling disc 2 rotate along with rolling disc 2, rotate through mould 4, can make the casting solution evenly distributed who is located mould 4 in mould 4, along with fixedly connected with ring gear 6 on the outline of rolling disc 2, ring gear 6 is connected with the auxiliary mechanism transmission, when gear 7 carries out the dead axle rotation at the upper surface of base 1 through the auxiliary mechanism, can make the eccentric column 8 of gear 7 upper surface promote and push away movable rack 9, when the motion of beating head 16 to mould 4 on promoting rack 9, beat mould 4 through beating head 16 and make mould 4 vibrate slightly, can reduce the shrinkage porosity phenomenon in the mould 4.

The number of the gears 7 is two, the two gears 7 are respectively located on two sides of the toothed ring 6, the two gears 7 are all meshed with the toothed ring 6 on the rotating disc 2, the lower surface of the base 1 is fixedly provided with the driving motor 13, and an output shaft of the driving motor 13 penetrates through the upper surface of the base 1 and is fixedly connected with the rotating disc 2.

By arranging the driving motor 13, when the driving motor 13 rotates and drives the rotating disc 2 to rotate, the two gears 7 are engaged with the gear ring 6 on the rotating disc 2 through the two gears 7, and the rotating disc 2 rotates to enable the two gears 7 to rotate.

The eccentric columns 8 on the two gears 7 are arranged alternately, and the upper surface of the pushing frame 9 is provided with an annular groove matched with the eccentric columns 8.

The upper surface of the pushing frame 9 is provided with an annular groove matched with the eccentric column 8, when the eccentric column 8 rotates along with the rotation of the gear 7, the eccentric column 8 moves in the annular groove on the pushing frame 9 and pushes the pushing frame 9 to reciprocate in the horizontal direction, and the eccentric columns 8 on the two gears 7 are alternately arranged, so that the knocking head 16 on the pushing frame 9 can alternately knock the outer wall of the mold 4.

Two portal frames 11 that the both sides fixedly connected with symmetry that the upper surface of base 1 is close to mould 4 set up, the equal fixedly connected with spacing 15 of lower surface of two portal frames 11, and the sliding tray has been seted up and through this sliding tray and the spacing sliding connection of spacing 15 to the upper surface of pushing away frame 9.

The upper surface of the pushing frame 9 is provided with a sliding groove and is connected with the limiting strip 15 in a sliding mode through the sliding groove, and the pushing frame 9 can reciprocate in the more stable horizontal direction under the action of the limiting strip 15.

Equal fixedly connected with guard plate 14 of the opposite side of two portal frames 11, the arc wall one of looks adaptation is seted up with it to one side that two guard plates 14 are close to mould 4, and the arc wall two of looks adaptation is seted up with it to one side that two guard plates 14 are close to eccentric post 8.

Prevent unnecessary casting solution drippage to ring gear 6 and gear 7 through setting up guard plate 14 on, through the arc wall I and the arc wall II of seting up on the guard plate 14, prevent to cause the motion to interfere to eccentric post 8 and sprue 5.

The end parts of the two pushing frames 9 close to the mold 4 are provided with through holes for limiting and sliding the knocking heads 16, springs 12 are arranged in the through holes, one ends of the springs 12 are fixedly connected with the inner walls of the through holes, and the other ends of the springs 12 are fixedly connected with the knocking heads 16.

Through setting up to be provided with spring 12 in the through-hole on pushing away frame 9, play the effect of buffering through setting up spring 12, prevent that striking head 16 from causing too big impact force to the surface of mould 4.

The working principle is as follows: this automatic eliminate device of interior shrinkage porosity phenomenon of valve body foundry goods, through the sprue 5 of seting up on the mould 4 during the use, pour into casting solution to mould 4 in through sprue 5, through the driving motor 13 of opening the base 1 lower surface, the output shaft of driving motor 13 runs through base 1's upper surface and rolling disc 2 fixed connection, rotate and drive rolling disc 2 when driving motor 13 rotates, when rolling disc 2 on the base 1 rotates, can make mould 4 on the rolling disc 2 rotate along with rolling disc 2, rotate through mould 4, can make the casting solution evenly distributed who is located mould 4 in mould 4.

Meanwhile, when the rotating disc 2 continuously rotates, the two gears 7 are meshed with the toothed ring 6 on the rotating disc 2, the gears 7 can rotate, the gears 7 rotate, annular grooves matched with the eccentric columns 8 are formed in the upper surface of the pushing frame 9, when the eccentric columns 8 rotate along with the rotation of the gears 7, the eccentric columns 8 move in the annular grooves in the pushing frame 9 and push the pushing frame 9 to reciprocate in the horizontal direction, the eccentric columns 8 on the two gears 7 are alternately arranged, the knocking heads 16 on the pushing frame 9 can alternately knock the outer wall of the mold 4, the springs 12 are arranged in the through holes in the pushing frame 9, the springs 12 are arranged to play a buffering role, the knocking heads 16 are prevented from causing overlarge impact force on the surface of the mold 4, the knocking heads 16 knock the mold 4 to slightly, and the shrinkage and shrinkage phenomena in the mold 4 can be reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic eliminate device of interior shrinkage porosity phenomenon of valve body foundry goods, includes base (1), its characterized in that: the upper surface dead axle of base (1) rotates and is connected with rolling disc (2), the upper surface of rolling disc (2) is provided with standing groove (3), be provided with mould (4) in standing groove (3), sprue (5) have been seted up to the upper surface of mould (4), fixedly connected with ring gear (6) on the outline of rolling disc (2) bottom, ring gear (6) transmission is connected with two complementary unit that eliminate the casting shrinkage porosity, complementary unit includes that base (1) upper surface dead axle rotates gear (7) of connecting, base (1) upper surface edge is close to one side-mounting fixed plate (10) of gear (7), the spout has been seted up on the surface of fixed plate (10) and has been pushed away frame (9) through the spacing sliding connection of this spout, the last fixed surface of gear (7) is connected with and pushes away eccentric column (8) that pushes away frame (9) motion, the one end that pushes away frame (9) is close to standing groove (3) sets up and strikes head (16) to mould (4).

2. The device for automatically eliminating the shrinkage porosity phenomenon in the valve body casting according to claim 1, wherein: gear (7) are provided with two, two gear (7) are located the both sides of ring gear (6) respectively, two gear (7) all mesh with ring gear (6) on rolling disc (2), the lower fixed surface of base (1) installs driving motor (13), the output shaft of driving motor (13) runs through the upper surface and rolling disc (2) fixed connection of base (1).

3. The device for automatically eliminating the shrinkage porosity phenomenon in the valve body casting according to claim 1, wherein: eccentric columns (8) on the two gears (7) are arranged alternately, and annular grooves matched with the eccentric columns (8) are formed in the upper surface of the pushing frame (9).

4. The device for automatically eliminating the shrinkage porosity phenomenon in the valve body casting according to claim 1, wherein: two portal frames (11) that the both sides fixedly connected with symmetry that base (1) upper surface is close to mould (4) set up, two the equal fixedly connected with spacing (15) of lower surface of portal frame (11), the upper surface of propelling movement frame (9) has been seted up the sliding tray and has been passed through this sliding tray and spacing sliding connection of spacing (15).

5. The device for automatically eliminating the shrinkage porosity phenomenon in the valve body casting according to claim 4, wherein: the two equal fixedly connected with guard plate (14) in opposite side of portal frame (11), two arc wall one of looks adaptation is seted up with it to one side that guard plate (14) are close to mould (4), two arc wall two of looks adaptation is seted up with it to one side that guard plate (14) are close to eccentric post (8).

6. The device for automatically eliminating the phenomenon of the shrinkage porosity of the valve body casting according to claim 1, wherein: two the tip that push frame (9) is close to mould (4) is seted up and is supplied to strike spacing gliding through-hole of head (16), be provided with spring (12) in the through-hole, spring (12) one end and through-hole inner wall fixed connection, the spring (12) other end and strike head (16) fixed connection.