Die for sand-lined iron mold casting

Abstract

The utility model relates to the technical field of iron mold sand casting, and discloses a mold for iron mold sand-lined casting. The mold for sand-lined iron mold casting comprises a lower mold body, a mold cavity is formed in the inner side of the lower mold body, an upper mold body is arranged at the top end of the lower mold body, sealing structures are arranged on the two sides of the lower mold body, and a demolding structure is arranged on the inner side of the mold cavity. By arranging the motor, the second air cylinder, the inserting rod, the clamping plate and the clamping seats, after the mold is closed, the clamping seats on the two sides of the upper mold move downwards to penetrate through the clamping plate and the inserting rod, at the moment, the motor operates to drive the inserting rod at the output end and the clamping plate to rotate anticlockwise, the clamping plate is made to rotate to be perpendicular to the clamping seat, the clamping plate and the clamping seat are clamped, and the clamping effect is achieved. At the moment, a first air cylinder runs, the first air cylinder drives a motor, an inserting rod and a clamping plate to move downwards through a mounting cover, so that the clamping plate is tightly clamped with a clamping seat after being stressed, and the upper die is driven to move downwards, so that the upper die is tightly attached to the lower die.

Description

TECHNICAL FIELD

[0001] The utility model relates to iron coated sand casting technical field, concretely is a mould for iron coated sand casting. BACKGROUND

[0002] Iron coated sand casting production technology, this method adopts metal model - cast iron model and cast iron cavity as sand box iron type with castings appearance near shape, near shape iron type covers a layer 6~10mm's coated sand sand moulding to form casting mold for pouring into castings - this is iron coated sand casting, iron coated sand casting has the characteristics of sand casting, namely has rigid sand mold shell, makes sand mold overall strength high, does not deform, its adaptability is extensive, castings easy demolding, and positioning is reliable, high precision.

[0003] The existing mould for iron coated sand casting, after mould is used for many times, due to abrasion, when closing mould, gap can appear, thereby influencing the accurate setting of sand mold, and even can cause coated sand leakage, for this, an urgent need arises to provide a mould for iron coated sand casting. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of moulds for iron coated sand casting, to solve the existing mould for iron coated sand casting in the background art described above, after mould is used for many times, due to abrasion, when closing mould, gap can appear, thereby influencing the accurate setting of sand mold, and even can cause coated sand leakage and in sand mold demolding, easy to be adhered with mould cavity, and the problem of inconvenient demolding.

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of mould for iron coated sand casting, including lower mould, the inside of lower mould is provided with mould cavity, and the top of lower mould is provided with upper mould, the both sides of lower mould are provided with sealing structure, the inside of mould cavity is provided with demolding structure.

[0006] The sealing structure includes an equipment housing, a first air cylinder is mounted inside the equipment housing, an installation cover is provided on the output end of the first air cylinder, a motor is mounted inside the installation cover, a plug rod is provided on the output end of the motor, a clamping plate is fixed to the end of the plug rod, and clamping seats are provided on the two sides of the upper mould.

[0007] The demolding structure includes a mould box, an auxiliary plate is connected to the side of the mould box, an extrusion block is provided at the bottom of the mould box, a heat insulation push plate is provided below the extrusion block, a second air cylinder is mounted at the bottom end of the heat insulation push plate, a sand mold is provided inside the mould box, and a magnetic block is provided on the inner wall of the auxiliary plate.

[0008] Preferably, a module is fixed to the bottom end of the upper mould, a sand blasting pipe is provided inside the upper mould, a guide rod is fixed to the bottom end of the upper mould, and a guide groove matching the guide rod is provided inside the lower mould.

[0009] Preferably, the upper die and the lower die are movably connected through guide rods and guide grooves, the sand blasting pipe penetrates to the bottom end of the mold block, and the mold block is clamped and connected with the mold box.

[0010] Preferably, the equipment shell is fixedly installed with the lower die, and the first air cylinder is fixedly installed with the equipment shell through a mounting groove, and the motor is movably connected with the first air cylinder through a mounting cover.

[0011] Preferably, the inner side of the clamping seat is provided with an insertion slot matched with the clamping plate, and the insertion rod is clamped and fixed with the clamping seat through the clamping plate and the insertion slot.

[0012] Preferably, the outer wall of the lower die is provided with a magnetic attraction groove matched with the magnetic attraction block, the mold box is clamped and connected with the mold cavity, and the mold box and the mold cavity are clamped and installed through the magnetic attraction block and the magnetic attraction groove.

[0013] Preferably, the second air cylinder is fixedly installed with the lower die through a mounting groove, the number of the second air cylinders is two, the two sides of the extrusion block are provided with movable blocks, the inner side of the mold box is provided with a movable slot, and the extrusion block is movably connected with the mold box through the movable blocks and the movable slot.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] Firstly, the utility model discloses a motor, a second air cylinder, an insertion rod, a clamping plate and a clamping seat are arranged, after the mold is closed, the clamping seat on the two sides of the upper die moves downwards and penetrates through the clamping plate and the insertion rod, at this time, the motor rotates to drive the insertion rod and the clamping plate on the output end to rotate counterclockwise, so that the clamping plate rotates to be perpendicular to the clamping seat, the clamping plate is clamped with the clamping seat, at this time, the first air cylinder operates, the first air cylinder drives the motor, the insertion rod and the clamping plate to move downwards through the mounting cover, so that the clamping plate is tightly clamped with the clamping seat after being stressed, and the upper die moves downwards, so that the upper die and the lower die are tightly attached.

[0016] Secondly, the utility model discloses an auxiliary plate, a mold box, a second air cylinder, an extrusion block and a heat insulation push plate are arranged, when the mold is demolded, the motor drives the insertion rod and the clamping plate to rotate to be horizontal to the clamping seat, so that the upper die and the lower die can be separated, the mold box can be directly demolded from the mold cavity through the auxiliary plate, then tools are used to extrude the two extrusion blocks at the bottom of the mold box, so that the extrusion blocks move upwards on the mold box and push the sand mold and the mold box to separate, demolding is realized, or the two second air cylinders in the lower die can be directly controlled to operate, the heat insulation push plate on the output end is extended, the heat insulation push plate pushes the extrusion block to move upwards, the extrusion block pushes the sand mold and the mold box to separate, and demolding is realized. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a whole structure schematic view of the utility model;

[0018] Figure 2 It is the schematic view of the sealing structure of the utility model;

[0019] Figure 3 It is the schematic view of the utility model Figure 2 It is the enlarged schematic view of A;

[0020] Figure 4 It is the schematic view of the clamping seat structure of the utility model;

[0021] Figure 5 It is the schematic view of the demolding structure of the utility model;

[0022] Figure 6 It is the schematic view of the utility model Figure 5 It is the enlarged schematic view of B;

[0023] Figure 7 It is the enlarged schematic view of C of the utility model. Figure 5

[0024] Wherein: 1, lower mould; 2, mould cavity; 3, upper mould; 4, module; 5, sealing structure; 501, equipment shell; 502, first air cylinder; 503, mounting cover; 504, motor; 505, inserting rod; 506, clamping plate; 507, clamping seat; 6, guide rod; 7, demolding structure; 701, mould box; 702, magnetic suction block; 703, sand mould; 704, second air cylinder; 705, heat insulation push plate; 706, extrusion block; 707, auxiliary plate; 8, sand blasting pipe. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-4 ​The utility model provides a kind of mould for iron type sand-coated casting, including lower mould 1, the inside of lower mould 1 is provided with mould cavity 2, and the top of lower mould 1 is provided with upper mould 3, the both sides of lower mould 1 are provided with sealing structure 5, the inside of mould cavity 2 is provided with stripping structure 7, sealing structure 5 includes equipment shell 501, the inside of equipment shell 501 is installed with first air cylinder 502, the output of first air cylinder 502 is provided with mounting cover 503, the inside of mounting cover 503 is installed with motor 504, the output of motor 504 is provided with plug rod 505, the end of plug rod 505 is fixed with clamping plate 506, the both sides of upper mould 3 are provided with clamping seat 507, the bottom of upper mould 3 is fixed with mould block 4, and the inside of upper mould 3 is provided with sand blasting pipe 8, the bottom of upper mould 3 is fixed with guide rod 6, and the inside of lower mould 1 is provided with guide slot matched with guide rod 6, and upper mould 3 and lower mould 1 are movably connected by guide rod 6 and guide slot, sand blasting pipe 8 penetrates to the bottom of mould block 4, and mould block 4 is engaged with mould box 701, equipment shell 501 is fixedly installed with lower mould 1, and first air cylinder 502 is fixedly installed with equipment shell 501 by mounting groove, motor 504 is movably connected with first air cylinder 502 by mounting cover 503, the inside of clamping seat 507 is provided with plug slot matched with clamping plate 506, and plug rod 505 is engaged and fixed with clamping seat 507 by clamping plate 506 and plug slot, after upper mould 3 and lower mould 1 are closed by guide rod 6 and guide slot, the clamping seat 507 on the both sides of upper mould 3 moves down and passes clamping plate 506 and plug rod 505, at this time, the operation of motor 504 in equipment shell 501 is controlled, the inside technology of motor 504 is prior art, after the operation of motor 504, plug rod 505 and clamping plate 506 on the output are rotated counterclockwise by 90 degrees, so that clamping plate 506 is rotated to be perpendicular to clamping seat 507, so that clamping plate 506 is engaged with clamping seat 507, at this time, first air cylinder 502 operates, and first air cylinder 502 drives motor 504, plug rod 505 and clamping plate 506 to move down by mounting cover 503, so that clamping plate 506 is tightly engaged with clamping seat 507 after being stressed, and upper mould 3 moves down, so that upper mould 3 and lower mould 1 are tightly attached.

[0027] Please refer to Figures 5-7The utility model relates to an iron type sand coated casting mould, and the demoulding structure 7 includes mould box 701, the side of mould box 701 is connected with auxiliary plate 707, and the bottom of mould box 701 is provided with extrusion block 706, the lower portion of extrusion block 706 is provided with heat insulation push plate 705, the bottom end of heat insulation push plate 705 is installed with second cylinder 704, the inside of mould box 701 is provided with sand mould 703, the inner wall of auxiliary plate 707 is provided with magnetic attraction piece 702, the outer wall of lower mould 1 is provided with the magnetic attraction groove that matches with magnetic attraction piece 702, mould box 701 is clamped with mould cavity 2, and mould box 701 is clamped with mould cavity 2 through magnetic attraction piece 702, magnetic attraction groove, second cylinder 704 is fixedly installed with lower mould 1 through mounting groove, and the number of second cylinder 704 is two, and the both sides of extrusion block 706 are provided with movable block, the inside of mould box 701 is provided with movable slot, and extrusion block 706 is movably connected with mould box 701 through movable block, movable slot, when demoulding, motor 504 drives plug rod 505 and clamping plate 506 to rotate to the horizontal of clamping seat 507, then upper mould 3 and lower mould 1 can be separated, and the whole mould box 701 can be directly demoulded from mould cavity 2 through auxiliary plate 707, and the magnetic attraction piece 702 in the inner wall of auxiliary plate 707 is separated from the magnetic attraction groove on the surface of lower mould 1, then the two extrusion blocks 706 at the bottom of mould box 701 are extruded using tools, when extrusion block 706 is forced to move up on mould box 701, sand mould 703 is pushed away from mould box 701, and demoulding is realized, and it is convenient to clean and replace the demoulded mould box 701, also can directly control the operation of the two second cylinders 704 in lower mould 1, drive the heat insulation push plate 705 of output end to stretch out, then the heat insulation push plate 705 pushes extrusion block 706 to move up, and extrusion block 706 pushes sand mould 703 and mould box 701 to separate, and demoulding is realized.

[0028] In use, after the upper die 3 and the lower die 1 are closed through the guide rod 6 and the guide groove, the clamping seat 507 on both sides of the upper die 3 moves downward through the clamping plate 506 and the plug rod 505, at this time, the motor 504 inside the control equipment shell 501 is operated, the internal technology of the motor 504 is the prior art, after the motor 504 is operated, the plug rod 505 and the clamping plate 506 at the output end are driven to rotate counterclockwise by 90 degrees, so that the clamping plate 506 is rotated to be perpendicular to the clamping seat 507, so that the clamping plate 506 is clamped with the clamping seat 507, at this time, the first air cylinder 502 is operated, the first air cylinder 502 drives the motor 504, the plug rod 505 and the clamping plate 506 to move downward through the mounting cover 503, so that the clamping plate 506 is tightly clamped with the clamping seat 507 after being stressed, and the upper die 3 moves downward, so that the upper die 3 and the lower die 1 are tightly attached, at this time, the coated sand can enter between the mold block 4 and the mold box 701 through the sand blasting pipe 8, and is shaped into a sand mold 703 through pouring, when demolding, the motor 504 drives the plug rod 505 and the clamping plate 506 to rotate to be horizontal to the clamping seat 507, so that the upper die 3 and the lower die 1 can be separated, the entire mold box 701 can be directly pushed out of the mold cavity 2 through the auxiliary plate 707, then tools are used to extrude the two extrusion blocks 706 at the bottom of the mold box 701, so that the extrusion blocks 706 are stressed to move upward on the mold box 701, the sand mold 703 is pushed away from the mold box 701, demolding is realized, or the two second air cylinders 704 inside the lower die 1 are directly controlled to operate, the heat insulation push plate 705 at the output end is extended, the heat insulation push plate 705 pushes the extrusion blocks 706 to move upward, the extrusion blocks 706 push the sand mold 703 away from the mold box 701, so that rapid demolding is realized.

[0029] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made by those skilled in the art without departing from the principles and spirit of the application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A mold for iron sand-coated casting, comprising a lower mold (1), characterized in that: The inside of the lower mold (1) is provided with a mold cavity (2), and the top end of the lower mold (1) is provided with an upper mold (3), the two sides of the lower mold (1) are provided with a sealing structure (5), and the inside of the mold cavity (2) is provided with a demolding structure (7); The sealing structure (5) comprises a device shell (501), a first air cylinder (502) is mounted on the inside of the device shell (501), an installation cover (503) is arranged on the output end of the first air cylinder (502), a motor (504) is mounted on the inside of the installation cover (503), a plug rod (505) is arranged on the output end of the motor (504), a clamping plate (506) is fixedly connected to the end of the plug rod (505), and clamping seats (507) are arranged on the two sides of the upper mold (3). The demolding structure (7) comprises a mold box (701), an auxiliary plate (707) is connected to the side of the mold box (701), an extrusion block (706) is arranged at the bottom of the mold box (701), a heat insulation push plate (705) is arranged below the extrusion block (706), a second air cylinder (704) is mounted on the bottom end of the heat insulation push plate (705), a sand mold (703) is arranged on the inside of the mold box (701), and magnetic attraction blocks (702) are arranged on the inner wall of the auxiliary plate (707).

2. A mold for sand-coated iron casting according to claim 1, characterized in that: The bottom end of the upper mold (3) is fixedly connected with a mold block (4), the inside of the upper mold (3) is provided with a sand blasting pipe (8), the bottom end of the upper mold (3) is fixedly connected with a guide rod (6), and the inside of the lower mold (1) is provided with a guide groove matched with the guide rod (6).

3. A mold for sand-coated iron casting according to claim 2, characterized in that: The upper mold (3) and the lower mold (1) are movably connected through the guide rod (6) and the guide groove, the sand blasting pipe (8) penetrates to the bottom end of the mold block (4), and the mold block (4) is clamped and connected with the mold box (701).

4. The mold for sand-coated iron mold casting according to claim 1, characterized by: The device shell (501) and the lower mold (1) are fixedly installed, the first air cylinder (502) and the device shell (501) are fixedly installed through the installation groove, and the motor (504) and the first air cylinder (502) are movably connected through the installation cover (503).

5. The mold for sand-coated iron casting according to claim 1, characterized in that: The inside of the clamping seat (507) is provided with a plug groove matched with the clamping plate (506), and the plug rod (505) and the clamping seat (507) are clamped and fixed through the clamping plate (506) and the plug groove.

6. The mold for sand-coated iron casting according to claim 1, characterized in that: The outer wall of the lower mold (1) is provided with a magnetic attraction groove matched with the magnetic attraction block (702), the mold box (701) is clamped and connected with the mold cavity (2), and the mold box (701) and the mold cavity (2) are clamped and installed through the magnetic attraction block (702) and the magnetic attraction groove.

7. The mold for sand-coated iron casting according to claim 1, characterized in that: The second air cylinder (704) and the lower mold (1) are fixedly installed through the installation groove, the number of the second air cylinder (704) is two, the two sides of the extrusion block (706) are provided with movable blocks, the inside of the mold box (701) is provided with a movable slot, and the extrusion block (706) and the mold box (701) are movably connected through the movable blocks and the movable slot.

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