CN217749303U

CN217749303U - Quick mold opening device for sand-lined mold

Info

Publication number: CN217749303U
Application number: CN202221725260.1U
Authority: CN
Inventors: 杨林奇
Original assignee: Hunan Suyuante Technology Co ltd
Current assignee: Hunan Suyuante Technology Co ltd
Priority date: 2022-07-05
Filing date: 2022-07-05
Publication date: 2022-11-08
Anticipated expiration: 2032-07-05

Abstract

The utility model relates to a cover mould sand technical field, specifically speaking relates to a quick mold opening device is used to sand-lined mould. The support is internally provided with a reciprocating screw rod in a rotating mode at the center of the bottom, a nut pair is arranged on the reciprocating screw rod, supporting plates are symmetrically arranged on the front side and the rear side of the outer wall of the nut pair, and round rods are arranged on the upper surface of the outer end of each supporting plate. The utility model discloses well reciprocal lead screw rotates, make the nut pair along reciprocal lead screw rebound, make silo rebound simultaneously, and make the swash plate promote first die body and first die body die sinking, thereby realize quick die sinking, after a casting film finishes, need the casting film once more, tectorial membrane sand materials in the silo fall down the die cavity from the feed opening, reciprocal lead screw continues to rotate, the nut pair drives the silo rebound, make the swash plate promote first die body and second die body compound die simultaneously, the die cavity suitable for reading on the silo compresses tightly on with first die body and the second die body here, be favorable to guaranteeing the compactness of casting tectorial membrane sand.

Description

Quick mold opening device for sand-lined mold

Technical Field

The utility model relates to a cover mould sand technical field, specifically speaking relates to a quick mold opening device is used to cover sand mould.

Background

The precoated sand is a casting moulding sand with a layer of phenolic resin coated on the surface of raw sand, and its production method includes two coating processes of cold method and hot method, in which the cold method uses ethyl alcohol to dissolve resin, and adds urotropine in the course of mixing sand to make both coat on the surface of sand grain, and the ethyl alcohol is volatilized to obtain precoated sand, and the hot method preheats sand to a certain temp., adds resin to make it melt, and stirs to make the resin coat on the surface of sand grain, and adds urotropine aqueous solution and lubricant, and then the above-mentioned materials are cooled, broken and screened to obtain the precoated sand for casting steel and iron castings.

The existing fast mold opening device for precoated sand is inconvenient to add precoated sand materials to a mold cavity after one-time film casting is finished, in the process of casting the mold, the sufficiency of the precoated sand materials fed into the mold cavity is difficult to guarantee, the precoated sand materials in the mold cavity are insufficient, when a mold body is extruded, the compactness of a cast sand mold is affected, and bad phenomena such as air bubbles and white spots are easy to occur, so that the yield of the precoated sand mold is affected, when the mold is closed, a part of the precoated sand materials are easy to extrude, and a discharging device cannot compact the upper opening of the mold cavity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick mold opening device is used to sand lined mold to solve the problem that proposes in the above-mentioned background art.

In order to realize the above object, the utility model provides a quick mold opening device is used to sand-coated mould, which comprises a bracket, the support is inside to be located bottom center department and rotates and to be equipped with reciprocal lead screw, the tip stretches out the support lower part under the reciprocal lead screw, the tip is equipped with driving motor under the reciprocal lead screw, it is vice to be equipped with the nut on the reciprocal lead screw, bilateral symmetry is equipped with the backup pad around the vice outer wall of nut, the outer tip's of backup pad upper surface is equipped with the round bar, support upper portion is equipped with the workstation, is located workstation upper surface front portion slides and is equipped with first die body, is located workstation upper surface rear end portion slides and is equipped with the second die body, first die body and the interactive cooperation of second die body are located first die body with second die body outer wall opposite side has all seted up the die cavity, is located first die body with second die body outer wall left and right sides department has all seted up the chute, the round hole has been seted up to workstation upper surface front and back symmetry, the round bar passes the round hole and stretches out workstation upper portion, the fixed end portion is equipped with the silo, the silo is located the bottom is close to left and right sides department symmetry is equipped with the swash plate, the chute sliding connection, the silo, the inside is located the center department has seted up the unloading mouth.

As a further improvement of the technical scheme, bosses are symmetrically arranged on the left and right sides of the outer side of the rear end part of the first die body, notches are symmetrically arranged on the left and right sides of the outer side of the front end part of the second die body, and the bosses are in clamping fit with the notches.

As a further improvement of the technical scheme, the outer wall of the boss is provided with a shifting rod, the feed opening is hinged with a cover plate, the rear end part of the cover plate is fixedly provided with a vertical plate, the vertical plate and the cover plate form a V shape, and the shifting rod is movably matched with the vertical plate.

As a further improvement of the technical scheme, the inner wall of the trough is fixedly provided with a stop block at the rear end part of the feed opening, and the stop block is movably matched with the vertical plate.

As a further improvement of the technical scheme, sliding grooves are symmetrically formed in the left and right of the upper surface of the workbench, sliding blocks are symmetrically arranged at the bottoms of the first die body and the second die body, and the sliding blocks are connected with the sliding grooves in a sliding mode.

As a further improvement of the technical scheme, the outer wall of the first die body is located at the front end part and the outer wall of the second die body is located at the rear end part and is provided with a groove, and the round rod is located inside the groove.

As a further improvement of the technical scheme, the outer wall of the round rod is positioned on the upper surface of the workbench and is provided with a spring, and the upper end part of the spring is movably matched with the trough.

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

1. in this quick mold opening device for sand-lined mold, driving motor's pivot is rotated, drives reciprocal lead screw and rotates, makes the nut vice along reciprocal lead screw rebound, makes round bar promote silo rebound simultaneously, makes the swash plate promote first die body and first die body die sinking in the time of the silo rebound to realize quick die sinking, the tectorial membrane sand mould that people of being convenient for will cast takes out.

2. In this quick mold opening device for sand-lined mold, after a casting film finishes, need the casting film once more, the material falls to the die cavity from the feed opening for the tectorial membrane sand in the silo, and reciprocal lead screw continues to rotate, and when the nut pair drove the silo downward shifting this moment, make the swash plate promote first die body and second die body compound die, and the silo compresses tightly the die cavity suitable for reading on first die body and the second die body here simultaneously, is favorable to guaranteeing the degree of compactness of casting tectorial membrane sand.

Drawings

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

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

FIG. 3 is a schematic view of the whole structure of the mold after opening the mold of the present invention;

FIG. 4 is a schematic view of the overall structure of the transmission structure of the present invention;

fig. 5 is a schematic view of the overall structure of the first mold body and the second mold body of the present invention;

FIG. 6 is an exploded view of the first and second mold bodies of the present invention;

fig. 7 is the overall structure diagram of the trough of the present invention.

The various reference numbers in the figures mean:

1. a support; 2. a reciprocating screw rod; 20. a nut pair; 21. a support plate; 22. a round bar; 220. a spring;

3. a work table; 30. a first mold body; 300. a boss; 31. a second mold body; 310. a notch; 32. a deflector rod; 33. a mold cavity; 34. a chute; 35. a chute; 36. a slider; 37. a groove; 38. a circular hole;

4. a trough; 40. a sloping plate; 41. a feed opening; 42. a cover plate; 420. a vertical plate; 43. and a stop block.

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 for simplicity of 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. 1-7, the present embodiment provides a fast mold opening device for a sand-lined mold, including a bracket 1, in order to ensure that the sand-lined mold can continuously work in a circulating manner, a reciprocating screw rod 2 is rotatably disposed at the center of the bottom inside the bracket 1, the lower end of the reciprocating screw rod 2 extends to the lower portion of the bracket 1, a driving motor is disposed at the lower end of the reciprocating screw rod 2, a nut pair 20 is disposed on the reciprocating screw rod 2, support plates 21 are symmetrically disposed at the front and rear sides of the outer wall of the nut pair 20, a round rod 22 is disposed on the upper surface of the outer end of the support plate 21 in order to ensure the mold opening and closing work of the sand-lined mold, a worktable 3 is disposed at the upper portion of the bracket 1, a first mold body 30 is slidably disposed at the front portion of the upper surface of the worktable 3, a second mold body 31 is slidably disposed at the rear end of the upper surface of the worktable 3, and the first mold body 30 and the second mold body 31 are in an interactive fit, be located first die body 30 and second die body 31 outer wall opposite side and all seted up die cavity 33, be located first die body 30 and second die body 31 outer wall left and right sides department and all seted up chute 34, round hole 38 has been seted up to the symmetry around the workstation 3 upper surface, round bar 22 passes round hole 38 and stretches out workstation 3 upper portion, in order to guarantee the inside tectorial membrane sand materials's of die cavity 33 of coated sand mould sufficiency and the degree of compactness of compound die casting tectorial membrane sand mould, the fixed silo 4 that is equipped with in round bar 22 upper end, silo 4 outer wall is located the bottom and is close to left and right sides department symmetry and is equipped with swash plate 40, in order to make coated sand mould can the fast die sinking, with swash plate 40 and chute 34 sliding connection, in order to guarantee after the primary casting membrane finishes, be convenient for add the tectorial membrane sand materials to coated sand mould's die cavity 33, the inside center department that is located of silo 4 has seted up feed opening 41, feed opening 41 is located die cavity 33 directly over.

The working process is as follows: reciprocating screw 2 rotates and makes rather than the vice 20 upward movements of nut of meshing, make round bar 22 promote silo 4 upward movement simultaneously, silo 4 makes swash plate 40 promote first die body 30 and the separation of first die body 30 in the time of upward movement, thereby realize quick die sinking, and after a casting film is ended, need the casting film once more, precoated sand in silo 4 is with expecting to fall to die cavity 33 in from feed opening 41, reciprocating screw 2 continues to rotate, vice 20 drive silo 4 downstream of nut this moment, make swash plate 40 promote first die body 30 and second die body 31 compound die, meanwhile, silo 4 compresses tightly the die cavity 33 upper opening of first die body 30 and second die body 31, be favorable to guaranteeing the degree of compactness of casting precoated sand.

Further, in order to enable the first mold body 30 and the second mold body 31 to be quickly matched, bosses 300 are symmetrically arranged on the left and right of the outer side of the rear end portion of the first mold body 30, notches 310 are symmetrically arranged on the left and right of the outer side of the front end portion of the second mold body 31, and the bosses 300 are in clamping fit with the notches 310.

It is worth to say that, in order to facilitate automatic addition of precoated sand materials to the mold cavity 33 after one-time film casting is finished, the shift lever 32 is arranged on the outer wall of the boss 300, the cover plate 42 is hinged to the feed opening 41, the vertical plate 420 is fixedly arranged at the rear end of the cover plate 42, the vertical plate 420 and the cover plate 42 form a V shape, the shift lever 32 is movably matched with the vertical plate 420, when mold closing is performed again after one-time film casting is finished, the round rod 22 drives the trough 4 to move downwards, and the trough 4 drives the inclined plate 40 to push the first mold body 30 and the second mold body 31 to close the mold, meanwhile, the first mold body 30 drives the shift lever 32 to shift the cover plate 42 to open, so that the precoated sand materials in the trough 4 fall into the mold cavity 33, and the vertical plate 420 and the cover plate 42 form a V shape, so that the shift lever 32 can shift the vertical plate 420.

Further, in order to prevent that the angle that riser 420 drove apron 42 upset is too big, influences the shaping of precoated sand casting, the 4 inner walls of silo are located feed opening 41 rear end portion fixed and are equipped with dog 43, dog 43 and riser 420 clearance fit, and dog 43 can block riser 420, prevents that it from driving the angle that apron 42 overturned too big, plays spacing effect.

Further, in order to ensure the movement track and the movement stability when the first die body 30 and the second die body 31 open and close the film, sliding grooves 35 are symmetrically formed in the left and right of the upper surface of the workbench 3, sliding blocks 36 are symmetrically arranged at the bottoms of the first die body 30 and the second die body 31, the sliding blocks 36 are slidably connected with the sliding grooves 35, and the sliding blocks 36 move back and forth along the inner portions of the sliding grooves 35, so that the movement track and the movement stability when the first die body 30 and the second die body 31 open and close the film can be ensured.

Further, in order to ensure the reasonability of the structure, grooves 37 are formed in the front end portion of the outer wall of the first die body 30 and the rear end portion of the outer wall of the second die body 31, and the round rod 22 is located inside the grooves 37.

Further, in order to guarantee the stationarity of the trough 4 when pressing the first die body 30 and the second die body 31 and prevent the overlarge collision, the outer wall of the round rod 22 is located on the upper surface of the workbench 3 and is provided with a spring 220, the upper end of the spring 220 is movably matched with the trough 4, and the spring 220 can play a role in buffering and damping.

When the quick mold opening device for the sand-lined mold is used specifically, the reciprocating screw rod 2 rotates to enable the nut pair 20 meshed with the reciprocating screw rod to move upwards, the round rod 22 is enabled to push the trough 4 to move upwards, the trough 4 moves upwards while the sloping plate 40 pushes the first mold body 30 and the first mold body 30 to be separated, so that quick mold opening is achieved, when mold closing is carried out again after one-time film casting is finished, the round rod 22 drives the trough 4 to move downwards, the trough 4 drives the sloping plate 40 to push the first mold body 30 and the second mold body 31 to be closed, meanwhile, the first mold body 30 drives the shifting lever 32 to shift the cover plate 42 to be opened, precoated sand materials in the trough 4 fall into the mold cavity 33, the reciprocating screw rod 2 continues to rotate, the nut pair 20 drives the trough 4 to move downwards at the moment, the sloping plate 40 pushes the first mold body 30 and the second mold body 31 to be closed, meanwhile, the trough 4 compresses the upper openings of the mold cavities 33 of the first mold body 30 and the second mold body 31 tightly, and the compactness of the precoated sand can be guaranteed.

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 the preferred embodiments of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a quick mold opening device is used to sand-lined mould, includes support (1), its characterized in that: a reciprocating screw rod (2) is rotatably arranged in the support (1) at the center of the bottom, the lower end of the reciprocating screw rod (2) extends out of the lower portion of the support (1), a driving motor is arranged at the lower end of the reciprocating screw rod (2), a nut pair (20) is arranged on the reciprocating screw rod (2), support plates (21) are symmetrically arranged on the front side and the rear side of the outer wall of the nut pair (20), a round rod (22) is arranged on the upper surface of the outer end portion of the support plate (21), a workbench (3) is arranged on the upper portion of the support (1), a first die body (30) is slidably arranged on the front portion of the upper surface of the workbench (3), a second die body (31) is slidably arranged on the rear end portion of the upper surface of the workbench (3), a die cavity (33) is respectively arranged on the opposite sides of the outer walls of the first die body (30) and the second die body (31), inclined plates (34) are respectively arranged on the left side and the right side of the outer walls of the first die body (30) and the second die body (31), inclined plates (38) are symmetrically arranged on the front side and the outer walls of the upper surface of the workbench (3), a trough (4) is symmetrically arranged on the left side and right side and the upper portion of the trough (4) is provided with a trough (4), swash plate (40) and chute (34) sliding connection, feed opening (41) have been seted up to inside being located center department of silo (4), feed opening (41) are located die cavity (33) directly over.

2. The quick mold opening device for the sand-lined mold according to claim 1, characterized in that: the outer side bilateral symmetry of first die body (30) rear end portion is equipped with boss (300), the outer side bilateral symmetry of second die body (31) front end portion is seted up jaggedly (310), boss (300) and breach (310) joint cooperation.

3. The quick mold opening device for the sand-lined mold according to claim 2, characterized in that: the outer wall of the boss (300) is provided with a deflector rod (32), the feed opening (41) is hinged to a cover plate (42), the rear end of the cover plate (42) is fixedly provided with a vertical plate (420), the vertical plate (420) and the cover plate (42) form a V shape, and the deflector rod (32) is movably matched with the vertical plate (420).

4. The quick mold opening device for the sand-lined mold according to claim 3, characterized in that: the inner wall of the trough (4) is positioned at the rear end part of the feed opening (41) and is fixedly provided with a stop block (43), and the stop block (43) is movably matched with the vertical plate (420).

5. The quick mold opening device for the sand-lined mold according to claim 1, characterized in that: the upper surface of the workbench (3) is bilaterally symmetrically provided with sliding grooves (35), the bottoms of the first die body (30) and the second die body (31) are symmetrically provided with sliding blocks (36), and the sliding blocks (36) are connected with the sliding grooves (35) in a sliding mode.

6. The quick mold opening device for the sand-lined mold according to claim 1, characterized in that: the outer wall of the first die body (30) is located at the front end portion, the outer wall of the second die body (31) is located at the rear end portion, grooves (37) are formed in the front end portion and the rear end portion, and the round rod (22) is located inside the grooves (37).

7. The quick mold opening device for the sand-lined mold according to claim 1, characterized in that: the outer wall of the round rod (22) is located a spring (220) is arranged on the upper surface of the workbench (3), and the upper end of the spring (220) is movably matched with the trough (4).