CN218252784U - Anti-offset casting mold for alloy valve body - Google Patents

Abstract

The utility model belongs to the technical field of the mould, concretely relates to alloy valve body prevents excursion casting mould, comprises a frame, fixed mounting has the lower mould on the frame, be provided with the mold core on the lower mould, be provided with ejection mechanism on the frame, fixed mounting has the cylinder on the frame, the cylinder pole and the frame sliding connection of cylinder, the outside sliding connection of cylinder pole has the adapter sleeve, the welding has last mould on the adapter sleeve, upward be provided with guiding mechanism on the mould. The utility model discloses a set up motor, lead screw, backup pad, ejector pin, roof, dog, fender ring, spring isotructure, rotate through the motor drive lead screw and be the screw motion with the backup pad, and then make the backup pad pass through the spring action on keeping off the ring for the ejector pin is ejecting with roof elasticity, makes the drawing of patterns more convenient after the valve body shaping.

Description

Anti-offset casting mold for alloy valve body

Technical Field

The utility model relates to the technical field of mold, specifically be an alloy valve body prevents squinting casting mould.

Background

The valve body is a main part in the valve, and the processing form of the valve body is generally formed by casting, and the processing form of the combination Jin Fati is generally formed by a casting die. The utility model discloses a utility model patent that bulletin number is CN212285792U discloses a casting mould for low temperature valve body, including last mould, lower mould and mold core, go up the mould and include last mould sandbox and the last mould sand mould in last mould sandbox, be equipped with the sprue gate in going up the mould sand mould, the sprue gate intercommunication has the sprue gate, and the sprue gate intercommunication has the subchannel, and the lower mould includes lower mould sandbox and the lower mould sand mould in the lower mould sandbox, be equipped with the die cavity that holds the mold core in the lower mould sand mould, the die cavity is communicated with the subchannel, the mold core includes the foam model of making according to valve body shape size, the foam model intussuseption is filled with the loam core, all coat with the flame retardant coating on the inner wall of die cavity, sprue gate and subchannel and the outer wall of loam core; the mold core of this patent is formed by foam model parcel loam core, can obtain the valve body foundry goods that has the hole after the casting, need not to carry out the secondary operation of loosing core again, has improved production efficiency, has reduced manufacturing cost. However, the above patents have the following disadvantages: when the casting mold is used, the upper mold and the lower mold are slightly deviated during mold closing, so that the forming precision of the valve body is low, and meanwhile, the valve body is tightly jointed with the mold core after being formed, so that the demolding is troublesome. Therefore, improvements are needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an alloy valve body prevents skew casting mould has slightly squinted when having solved last mould and lower mould compound die, leads to valve body shaping precision lower, simultaneously, and the valve body shaping back closes the seam with the tight silk of mold core, leads to the more troublesome problem of drawing of patterns.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an alloy valve body prevents skew casting mould, includes the frame, fixed mounting has the lower mould on the frame, be provided with the mold core on the lower mould, be provided with ejection mechanism on the frame, ejection mechanism includes motor, lead screw, backup pad, ejector pin, roof, dog, fender ring, spring, fixed mounting has the cylinder on the frame, the cylinder pole and the frame sliding connection of cylinder, the outside sliding connection of cylinder pole has the adapter sleeve, the welding has last mould on the adapter sleeve, upward be provided with guiding mechanism on the mould, guiding mechanism includes guide block, guide slot, storage tank, supporting shoe, pressure spring, the welding has the guide block on going up the mould.

Preferably, the connecting sleeve is connected with a limiting pin in a sliding mode, and the limiting pin is connected with the cylinder rod through threads. The connecting sleeve and the cylinder rod are connected by arranging the limiting pin.

Preferably, fixed mounting has the motor on the frame, the welding has the lead screw on the output of motor, there is the backup pad in the outside of lead screw through threaded connection, sliding connection has the ejector pin in the backup pad, ejector pin and lower mould sliding connection, the welding has the roof on the ejector pin, roof and mold core contact, the welding has the dog on the ejector pin, dog and backup pad contact, the fixed ring that has connect in the outside of ejector pin keeps off, the outside of ejector pin is provided with the spring. The screw rod is driven by the motor to rotate and the supporting plate is in threaded motion, so that the supporting plate acts on the baffle ring through the spring, the ejector rod elastically ejects the top plate, and the valve body is convenient to demould after being molded.

Preferably, one end of the spring is in contact with the support plate, and the other end of the spring is in contact with the stopper ring. Through setting up the spring for the fender ring is by elasticity jack-up.

Preferably, the lower die is provided with a guide groove, the upper die is provided with a containing groove, the containing groove is connected with a supporting block in a sliding manner, and the containing groove is internally provided with a pressure spring. Through guide block and guide slot cooperation, lead the compound die of mould and lower mould, ensure that valve body shaping size is accurate, act on the supporting shoe through the pressure spring, cushion the compound die of mould and lower mould, avoid going up mould and lower mould compound die collision damage.

Preferably, one end of the pressure spring is welded with the supporting block, and the other end of the pressure spring is welded with the upper die. The movement of the supporting block is buffered by arranging the pressure spring.

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

1. the utility model discloses a set up motor, lead screw, backup pad, ejector pin, roof, dog, fender ring, spring isotructure, rotate through the motor drive lead screw and be the screw motion with the backup pad, and then make the backup pad pass through the spring action on keeping off the ring for the ejector pin is ejecting with roof elasticity, makes the drawing of patterns more convenient after the valve body shaping.

2. The utility model discloses a set up guide block, guide slot, storage tank, supporting shoe, pressure spring isotructure, cooperate through guide block and guide slot, lead the compound die of last mould and lower mould for go up the accurate compound die of mould and lower mould, ensure that valve body shaping size is accurate, act on the supporting shoe through the pressure spring, cushion the compound die of last mould and lower mould, avoid going up mould and lower mould compound die collision damage.

Drawings

FIG. 1 is a perspective view of the whole structure of the present invention;

fig. 2 is a front cross-sectional view of the present invention shown in fig. 1;

FIG. 3 is an enlarged view of the point A of FIG. 2 according to the present invention;

fig. 4 is an enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a frame; 2. a lower die; 3. a mold core; 4. an ejection mechanism; 5. a cylinder; 6. a cylinder rod; 7. connecting sleeves; 71. a spacing pin; 8. an upper die; 9. a guide mechanism; 41. a motor; 42. a screw rod; 43. a support plate; 44. a top rod; 45. a top plate; 46. a stopper; 47. a baffle ring; 48. a spring; 91. a guide block; 92. a guide groove; 93. a containing groove; 94. a support block; 95. and (5) pressing a spring.

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 and 2, an alloy valve body anti-deviation casting mold comprises a frame 1, a lower mold 2 is fixedly mounted on the frame 1, a mold core 3 is arranged on the lower mold 2, an ejection mechanism 4 is arranged on the frame 1, a cylinder 5 is fixedly mounted on the frame 1, a cylinder rod 6 of the cylinder 5 is connected with the frame 1 in a sliding manner, a connecting sleeve 7 is connected to the outer side of the cylinder rod 6 in a sliding manner, a limit pin 71 is connected to the connecting sleeve 7 in the sliding manner, the limit pin 71 is connected with the cylinder rod 6 through threads, the connecting sleeve 7 is connected with the cylinder rod 6 through the limit pin 71, an upper mold 8 is welded on the connecting sleeve 7, and a guide mechanism 9 is arranged on the upper mold 8.

Referring to fig. 2 and 4, the ejection mechanism 4 includes a motor 41, a lead screw 42, a support plate 43, a push rod 44, a top plate 45, a stopper 46, a stopper ring 47, and a spring 48, the motor 41 is fixedly mounted on the frame 1, the lead screw 42 is welded on an output end of the motor 41, the support plate 43 is connected to an outer side of the lead screw 42 through a thread, the push rod 44 is connected to the support plate 43 in a sliding manner, the push rod 44 is connected to the lower mold 2 in a sliding manner, the top plate 45 is welded to the push rod 44, the top plate 45 contacts the mold core 3, the stopper 46 is welded to the push rod 44, the stopper 46 contacts the support plate 43, the stopper ring 47 is fixedly sleeved on an outer side of the push rod 44, the spring 48 is disposed on an outer side of the push rod 44, one end of the spring 48 contacts the support plate 43, the other end of the spring 48 contacts the stopper ring 47, the stopper ring 47 is elastically ejected by the spring 48, the lead screw 42 is driven to rotate by the motor 41 and the support plate 43 to perform a thread motion, the support plate 43 acts on the stopper ring 47 through the spring 48, so that the push the top plate 45 elastically, and the valve body is more conveniently demolded after being molded.

Referring to fig. 2, the guiding mechanism 9 includes a guide block 91, a guide groove 92, a receiving groove 93, a supporting block 94, and a pressure spring 95, the guide block 91 is welded on the upper die 8, the guide groove 92 is formed on the lower die 2, the receiving groove 93 is formed in the upper die 8, the supporting block 94 is slidably connected in the receiving groove 93, the pressure spring 95 is arranged in the receiving groove 93, one end of the pressure spring 95 is welded to the supporting block 94, the other end of the pressure spring 95 is welded to the upper die 8, the pressure spring 95 is arranged to buffer movement of the supporting block 94, the upper die 8 and the lower die 2 are guided by matching the guide block 91 with the guide groove 92, so that the upper die 8 and the lower die 2 are precisely closed, the valve body is ensured to be precise in molding size, the pressure spring 95 acts on the supporting block 94, the closing of the upper die 8 and the lower die 2 is buffered, and the collision damage of the upper die 8 and the lower die 2 is avoided.

The utility model discloses the concrete implementation process as follows: during the use, drive cylinder pole 6 through cylinder 5 and extend, make and go up mould 8 downstream and lower mould 2 compound die, in this process, guide block 91 gets into in the guide slot 92 and leads the compound die of last mould 8 and lower mould 2, make and go up mould 7 and the accurate compound die of lower mould 2, ensure that valve body shaping size is accurate, act on supporting shoe 94 through pressure spring 95, cushion the compound die of going up mould 8 and lower mould 2, avoid going up mould 8 and lower mould 2 compound die collision damage, when drawing of patterns to the product, starter motor 41, motor 41 starts drive lead screw 42 and rotates, lead screw 42 rotates and backup pad 43 is threaded motion, and then make backup pad 43 rebound, and act on fender ring 47 through spring 48, make ejector pin 44 ejecting roof 45 elasticity, it is more convenient to make the drawing of patterns after the valve body shaping.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)

1. An anti-offset casting die for an alloy valve body comprises a frame (1) and is characterized in that: the improved die is characterized in that a lower die (2) is fixedly mounted on the frame (1), a die core (3) is arranged on the lower die (2), an ejection mechanism (4) is arranged on the frame (1), the ejection mechanism (4) comprises a motor (41), a lead screw (42), a supporting plate (43), an ejector rod (44), a top plate (45), a stop block (46), a stop ring (47) and a spring (48), a cylinder (5) is fixedly mounted on the frame (1), a cylinder rod (6) of the cylinder (5) is slidably connected with the frame (1), a connecting sleeve (7) is slidably connected to the outer side of the cylinder rod (6), an upper die (8) is welded on the connecting sleeve (7), a guide mechanism (9) is arranged on the upper die (8), and the guide mechanism (9) comprises a guide block (91), a guide groove (92), a containing groove (93), a supporting block (94) and a pressure spring (95).

2. The alloy valve body deviation-preventing casting die as claimed in claim 1, wherein: the connecting sleeve (7) is connected with a limiting pin (71) in a sliding mode, and the limiting pin (71) is connected with the cylinder rod (6) through threads.

3. The alloy valve body deviation-preventing casting die as claimed in claim 1, wherein: fixed mounting has motor (41) on frame (1), the welding has lead screw (42) on the output of motor (41), there is backup pad (43) outside of lead screw (42) through threaded connection, sliding connection has ejector pin (44) on backup pad (43), ejector pin (44) and lower mould (2) sliding connection, the welding has roof (45) on ejector pin (44), roof (45) and mold core (3) contact, the welding has dog (46) on ejector pin (44), dog (46) and backup pad (43) contact, the outside of ejector pin (44) is fixed to be cup jointed and is kept off ring (47), the outside of ejector pin (44) is provided with spring (48).

4. The alloy valve body anti-offset casting mold according to claim 3, wherein: one end of the spring (48) is in contact with the support plate (43), and the other end of the spring (48) is in contact with the stopper ring (47).

5. The alloy valve body anti-offset casting mold according to claim 1, wherein: the mould is characterized in that a guide block (91) is welded on the upper mould (8), a guide groove (92) is formed in the lower mould (2), a containing groove (93) is formed in the upper mould (8), a supporting block (94) is connected in the containing groove (93) in a sliding mode, and a pressure spring (95) is arranged in the containing groove (93).

6. The alloy valve body shift-preventing casting mold according to claim 5, wherein: one end of the pressure spring (95) is welded with the supporting block (94), and the other end of the pressure spring (95) is welded with the upper die (8).

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