CN212469650U

CN212469650U - Wear-resisting cast ball sand-lined mold with good air permeability

Info

Publication number: CN212469650U
Application number: CN202021111453.9U
Authority: CN
Inventors: 杨晶明
Original assignee: Merrill Lynch Technology Co ltd
Current assignee: Merrill Lynch Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-05
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a wear-resisting cast ball sand-lined mould that gas permeability is good relates to wear-resisting cast ball mould field, including the cope match-plate pattern, lower bolster and base, the center of cope match-plate pattern is equipped with a sprue, a plurality of runners and a plurality of rising heads have all been seted up to both sides that cope match-plate pattern and lower bolster are relative, a plurality of runners be the annular around the sprue and distribute and communicate with the sprue, a plurality of rising heads communicate with a plurality of runners respectively, the outside of a plurality of rising heads all is equipped with a plurality of ball bowls, the last bottom of ball bowl is equipped with an exhaust hole, and ball bowl internal surface covers there is one deck resin sand, the outside of cope match-plate pattern and lower bolster is passed through the mutual fixed connection of fixed establishment, the slider of the two sets of symmetric distributions of lower extreme fixedly. The utility model discloses be convenient for drive cope match-plate pattern and lower bolster are controlled and are rocked to be convenient for make the inside molten iron of ball bowl rock, be convenient for with air escape, avoid gassing and gas pocket, improve the quality of casting the ball.

Description

Wear-resisting cast ball sand-lined mold with good air permeability

Technical Field

The utility model relates to a wear-resisting ball mould field of casting, in particular to wear-resisting ball sand-lined mould of casting that the gas permeability is good.

Background

The wear-resistant casting ball is widely applied to powder engineering in the industries of cement, chemical engineering, medicine and the like, in recent years, a metal mold sand-coating technology is applied and developed relatively quickly, the metal mold sand-coating casting technology is a novel casting technology for forming a casting mold by coating a sand layer on a metal mold cavity, the advantages of a sand mold casting process and a metal mold casting process are absorbed, the technical defects of the sand mold casting process and the metal mold casting process are overcome, the wear-resistant casting ball is characterized in that the sand consumption is small, the yield is high, the physical performance and the surface smoothness of a casting are greatly improved, and the production cost is obviously reduced.

Chinese patent publication No. CN2649220Y discloses a wear-resistant sand-coated casting ball mold, which improves the speed of molten metal after casting and reduces the probability of thermal fatigue and thermal crack of the molten metal through the structures of an upper mold plate, a lower mold plate, a sprue, a ball bowl, a cross gate, a riser, and an exhaust hole, so as to significantly improve the service life of the molten metal mold, improve the production efficiency of casting balls, and reduce the production cost.

Therefore, it is necessary to provide a wear-resistant sand-lined casting ball mold with good air permeability to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wear-resisting cast ball sand-lined mould that gas permeability is good to after the molten iron casting that proposes in solving above-mentioned background art, remain unnecessary air in the molten iron easily, lead to inside bubble and the gas pocket that contains behind the molten iron cooling, influence the problem of the quality of cast ball.

In order to achieve the above object, the utility model provides a following technical scheme: a wear-resistant cast ball sand-lined mold with good air permeability comprises an upper template, a lower template and a base, wherein a sprue is arranged at the center of the upper template, a plurality of cross runners and a plurality of risers are respectively arranged on two opposite sides of the upper template and the lower template, the cross runners are annularly distributed around the sprue and are communicated with the sprue, the risers are respectively communicated with the cross runners, a plurality of ball bowls are respectively arranged on the outer sides of the risers, an exhaust hole is arranged at the upper bottom of each ball bowl, and a layer of resin sand is coated on the inner surface of the ball bowl, the outer sides of the upper template and the lower template are fixedly connected with each other through a fixing mechanism, the lower end of the lower template is fixedly connected with two groups of symmetrically distributed sliding blocks, the upper end of the base is provided with two groups of sliding grooves matched with the sliding blocks and is in sliding connection with the lower template, and one side of the upper end of the base is provided with a driving mechanism which is connected with the lower template.

Preferably, actuating mechanism includes driving motor, carousel and rectangle frame, driving motor's lower extreme passes through motor cabinet and base fixed connection, driving motor's output passes through the shaft coupling and rotates and be connected with the pivot, the other end of pivot and one side center department fixed connection of carousel, the eccentric fixedly connected with slide bar of department of opposite side of carousel, the slide bar insert the inside of rectangle frame and with rectangle frame sliding connection, the rectangle frame is close to one side fixedly connected with connecting rod of lower bolster, the other end of connecting rod and the left side middle part fixed connection of lower bolster.

Preferably, the lower ends of the two groups of sliding blocks are connected with balls in a rolling manner through spherical grooves, and the lower sides of the balls are abutted to the groove bottoms of the sliding grooves.

Preferably, the fixing mechanism comprises a plurality of first box fasteners and a plurality of second box fasteners, the first box fasteners are fixedly connected with the lower sides of the front side and the rear side of the upper template respectively, the second box fasteners are fixedly connected with the upper sides of the front side and the rear side of the lower template respectively, and the first box fasteners and the second box fasteners are matched with each other and fastened.

Preferably, the lower end of the upper template is fixedly connected with a plurality of positioning pins which are uniformly distributed, and the upper end of the lower template is provided with a plurality of positioning grooves matched with the positioning pins.

The utility model discloses a technological effect and advantage:

1. through the mutual matching of the base, the two groups of sliding blocks, the two groups of sliding grooves, the driving motor, the rotating shaft, the rotary table, the sliding rods, the rectangular frame and the connecting rods, the upper template and the lower template can be conveniently driven to swing left and right, so that molten iron in the ball bowl can be conveniently swung, air can be conveniently discharged, bubbles and air holes are avoided, and the quality of a cast ball is improved;

2. the friction force of the sliding block and the sliding groove can be reduced through the arranged balls, so that the lower template and the base slide mutually more flexibly, the upper template and the lower template can be rapidly disassembled and assembled through the arrangement of a plurality of first box fasteners and a plurality of second box fasteners, and people can use the lower template conveniently.

Drawings

Fig. 1 is a schematic front sectional view of the present invention.

Fig. 2 is a schematic side sectional view of the present invention.

Fig. 3 is a schematic side view of the driving mechanism of the present invention.

In the figure: 1. mounting a template; 2. a lower template; 3. a base; 4. a slider; 5. a drive motor; 6. a turntable; 7. a rectangular frame; 8. a slide bar; 9. a connecting rod; 10. a ball bearing; 11. a first box fastener; 12. a second box fastener; 13. and a positioning pin.

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.

The utility model provides a wear-resisting cast ball sand-lined mold with good air permeability, as shown in figures 1-3, which comprises an upper template 1, a lower template 2 and a base 3, wherein the center of the upper template 1 is provided with a sprue, the two opposite sides of the upper template 1 and the lower template 2 are respectively provided with a plurality of cross runners and a plurality of risers, the cross runners are annularly distributed around the sprue and are communicated with the sprue, the risers are respectively communicated with the cross runners, the outer sides of the risers are respectively provided with a plurality of ball bowls, the upper bottom of the ball bowls is provided with an exhaust hole, the inner surfaces of the ball bowls are covered with a layer of resin sand, the structures are structures in a comparison file, as the prior art, the outer sides of the upper template 1 and the lower template 2 are fixedly connected with each other through a fixing mechanism, the lower end of the lower template 2 is fixedly connected with two groups of symmetrically distributed sliders 4, the upper end of the base 3 is provided with two groups of chutes matched with the sliders 4 and is connected, one side of the upper end of the base 3 is provided with a driving mechanism, and the driving mechanism is connected with the lower template 2.

Meanwhile, the driving mechanism comprises a driving motor 5, a rotary table 6 and a rectangular frame 7, the lower end of the driving motor 5 is fixedly connected with the base 3 through a motor base, the output end of the driving motor 5 is rotatably connected with a rotary shaft through a coupler, the other end of the rotary shaft is fixedly connected with the center of one side of the rotary table 6, the other side of the rotary table 6 is fixedly connected with a slide bar 8 at the eccentric position, the slide bar 8 is inserted into the rectangular frame 7 and is slidably connected with the rectangular frame 7, a connecting rod 9 is fixedly connected to one side of the rectangular frame 7 close to the lower template 2, the other end of the connecting rod 9 is fixedly connected with the middle part of the left side of the lower template 2, the driving motor 5 rotates to drive the rotary shaft to rotate, the rotary table 6 is driven by the rotary shaft to rotate, the slide bar 8 can be driven by the rotary table 6 to rotate, because the slide bar 8, the connecting rod 9 can drive the lower template 2 and the upper template 1 to reciprocate left and right.

In addition, the lower ends of the two groups of sliding blocks 4 are all connected with balls 10 through spherical grooves in a rolling mode, the lower sides of the balls 10 are abutted to the groove bottoms of the sliding grooves, friction force between the sliding blocks 4 and the sliding grooves can be reduced, and therefore the lower template 2 and the base 1 can slide more flexibly.

And, fixed establishment includes a plurality of first box fasteners 11 and a plurality of second box fasteners 12, a plurality of first box fasteners 11 respectively with upper template 1 around both sides below fixed connection, a plurality of second box fasteners 12 respectively with lower template 2 around both sides top fixed connection, first box fastener 11 and second box fastener 12 mutually support the lock joint, be convenient for carry out the dismouting with upper template 1 and lower template 2 fast.

More specifically, a plurality of evenly distributed's of lower extreme fixedly connected with locating pin 13 of cope match-plate pattern 1, a plurality of and 13 assorted constant head tanks of locating pin are seted up to the upper end of lower bolster 2, are convenient for fix a position when installing cope match-plate pattern 1 and lower bolster 2 each other.

The utility model discloses the theory of operation:

during the use, after the molten iron pours into a plurality of ball bowls into, start driving motor 5, driving motor 5 is rotatory to drive the pivot rotatory, the pivot drives carousel 6 rotatory, carousel 6 is rotatory to drive slide bar 8 and rotates, because slide bar 8 and rectangular frame 7 sliding connection, thereby slide bar 8 rotates and to drive reciprocating motion about rectangular frame 7, reciprocating motion about rectangular frame 7 can drive connecting rod 9, connecting rod 9 can drive reciprocating motion about lower bolster 2 and cope match-plate pattern 1, can make the molten iron in the ball bowl rock, thereby be convenient for discharge the air in molten iron and the ball bowl, avoid containing bubble and gas pocket in the molten iron, be convenient for improve the quality of cast ball.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a wear-resisting cast ball sand-lined mould that gas permeability is good which characterized in that: the casting mold comprises an upper mold plate (1), a lower mold plate (2) and a base (3), wherein a sprue is arranged at the center of the upper mold plate (1), a plurality of runners and a plurality of risers are respectively arranged at two opposite sides of the upper mold plate (1) and the lower mold plate (2), the plurality of runners are distributed annularly around the sprue and are communicated with the sprue, the plurality of risers are respectively communicated with the plurality of runners, a plurality of ball bowls are respectively arranged at the outer sides of the plurality of risers, an exhaust hole is arranged at the upper bottom of each ball bowl, a layer of resin sand is coated on the inner surface of each ball bowl, the upper mold plate (1) and the lower mold plate (2) are fixedly connected with each other through a fixing mechanism, two groups of symmetrically distributed sliding blocks (4) are fixedly connected at the lower end of the lower mold plate (2), two groups of sliding grooves matched with the sliding blocks (4) are arranged at the upper end of the base (3) and are connected with the, and one side of the upper end of the base (3) is provided with a driving mechanism, and the driving mechanism is connected with the lower template (2).

2. The wear-resistant casting ball sand-lined mold with good air permeability as claimed in claim 1, wherein: actuating mechanism includes driving motor (5), carousel (6) and rectangle frame (7), the lower extreme of driving motor (5) passes through motor cabinet and base (3) fixed connection, the output of driving motor (5) is rotated through the shaft coupling and is connected with the pivot, the other end of pivot and one side center department fixed connection of carousel (6), the eccentric fixedly connected with slide bar (8) of locating of opposite side of carousel (6), slide bar (8) insert the inside of rectangle frame (7) and with rectangle frame (7) sliding connection, rectangle frame (7) are close to one side fixedly connected with connecting rod (9) of lower bolster (2), the other end of connecting rod (9) and the left side middle part fixed connection of lower bolster (2).

3. The wear-resistant casting ball sand-lined mold with good air permeability as claimed in claim 1, wherein: the lower ends of the two groups of sliding blocks (4) are connected with balls (10) in a rolling mode through spherical grooves, and the lower sides of the balls (10) are abutted to the groove bottoms of the sliding grooves.

4. The wear-resistant casting ball sand-lined mold with good air permeability as claimed in claim 1, wherein: the fixing mechanism comprises a plurality of first box fasteners (11) and a plurality of second box fasteners (12), the first box fasteners (11) are fixedly connected with the front side and the rear side of the upper template (1) respectively, the second box fasteners (12) are fixedly connected with the front side and the rear side of the lower template (2) respectively, and the first box fasteners (11) and the second box fasteners (12) are matched with each other and fastened.

5. The wear-resistant casting ball sand-lined mold with good air permeability as claimed in claim 1, wherein: the lower end of the upper template (1) is fixedly connected with a plurality of positioning pins (13) which are uniformly distributed, and the upper end of the lower template (2) is provided with a plurality of positioning grooves matched with the positioning pins (13).