CN217142225U

CN217142225U - Sand mold die with automatic blanking function

Info

Publication number: CN217142225U
Application number: CN202221025881.9U
Authority: CN
Inventors: 彭海成; 孙玉国; 刘敏
Original assignee: Jilin Chengxin Industrial Co ltd
Current assignee: Jilin Chengxin Industrial Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-08-09
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a sand mould with automatic blanking function, which comprises a base (1), wherein a blanking groove (2) is arranged on the base (1); a lower frame body (3) is arranged above the charging chute (2), and a portal frame (4) is arranged above the lower frame body (3); two inner side surfaces of the portal frame (4) are respectively provided with a lifting device, and an upper frame body (5) is arranged between the two lifting devices; a material pushing plate (6) is arranged on the top surface of the upper frame body (5), and a material pushing cylinder (7) is connected to the top surface of the material pushing plate (6); a plurality of vibrating pieces (8) are arranged on the bottom surface of the material pushing plate (6); two side surfaces of the upper frame body (5) are provided with upper blocking devices; supporting devices are arranged on two sides of the charging chute (2), and each supporting device is connected with a lower retaining device. The utility model discloses not only can improve work efficiency, still have the advantage that stability in use is high, long service life, convenient to use and clearance are convenient.

Description

Sand mold die with automatic blanking function

Technical Field

The utility model relates to a sand mould, especially take sand mould of automatic unloading function.

Background

Sand casting refers to a manufacturing method for producing castings in sand molds, which is used for a long time in single-piece production, mass production and mass production of castings because of its low manufacturing cost used in its entirety, and a sand mold is indispensable in the sand casting process; the sand mould among the present sand casting all is the uncovered bar framework that has wood or other metal material to make, and this type of mould is at the in-process that uses, and the unloading etc. of filling grit and follow-up casting shaping in earlier stage all need artifical manually operation, need consume a large amount of labours, has not only increased the time of using, has still reduced the efficiency that the sand mould used, and then has influenced the work efficiency of the whole process of casting. Therefore, the conventional sand mold has a problem of low work efficiency in the process of sand casting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sand mould of automatic unloading function in area is provided. The utility model has the advantages of high work efficiency.

The technical scheme of the utility model: the sand mold die with the automatic blanking function comprises a base, wherein a blanking groove is formed in the top surface of the base; a lower frame body is arranged above the charging chute, and a portal frame is arranged above the lower frame body; two inner side surfaces of the portal frame are respectively provided with a lifting device, and an upper frame body is arranged right above the lower frame body and is arranged between the two lifting devices; the upper frame body and the lower frame body are of an upper and lower open structure, a material pushing plate is arranged on the top surface of the upper frame body, and a material pushing cylinder located on the top surface of the portal frame is connected to the top surface of the material pushing plate; a plurality of vibrating pieces which are uniformly distributed in a ring shape are arranged on the bottom surface of the material pushing plate; two side surfaces of the upper frame body are respectively provided with an upper blocking device for blocking the bottom end part of the upper frame body; supporting devices are arranged on two sides of the charging chute, and each supporting device is connected with a lower blocking device used for blocking the bottom end part of the lower frame body; the upper blocking device and the lower blocking device are respectively arranged on the bottom surfaces of the upper frame body and the lower frame body, so that the upper frame body and the lower frame body can form an uncovered adjusting frame, the leakage phenomenon cannot occur in the use process, and the use stability is ensured; through the material pushing plate and the material pushing cylinder, the sand and the subsequent casting finished products are automatically taken down from the sand mold, the vibration scattering capacity of the vibration piece on the material pushing plate on the sand is matched, the blanking time is shortened, and the working efficiency is improved.

In the sand mold with the automatic blanking function, the lower baffle device comprises a mounting frame positioned on one side of the supporting device far away from the blanking groove, two symmetrically distributed lower baffle cylinders are arranged on the side surface of the mounting frame facing the supporting device, and a horizontally arranged lower baffle plate for blocking the bottom end part of the lower frame body is arranged between the end parts of the two lower baffle cylinders; a first mounting groove is formed in the end face, facing the lower frame body, of the upper surface of the lower baffle, a photosensitive sensor is arranged in the first mounting groove, and the photosensitive sensor is electrically connected with the lower baffle cylinder; the both sides of first mounting groove all are provided with the second mounting groove, all are provided with first magnet piece in every second mounting groove.

In the sand mold with the automatic blanking function, a plurality of uniformly distributed mounting seats are arranged on the side surface of the mounting frame facing to the lower frame body, and each mounting seat is arranged above the lower baffle cylinder; each mounting seat is fixedly connected with the side face of the lower frame body.

In the sand mold with the automatic blanking function, the upper gear device comprises an upper gear cylinder, and an upper gear moving member is mounted on the upper gear cylinder; an upper baffle plate used for blocking the bottom surface of the upper frame body is arranged on the bottom surface, far away from the end part of the upper blocking cylinder, of the upper blocking moving member, a third installation groove is formed in the side surface, facing the upper frame body, of the upper baffle plate, and a plurality of uniformly distributed second magnet pieces are arranged in the third installation groove.

In the sand mold with the automatic blanking function, the supporting device comprises a supporting cylinder located below the lower frame body, and a supporting plate is mounted on the supporting cylinder; be provided with wearing parts on the top surface of backup pad, be equipped with on the backup pad near the terminal surface of charging chute and be convex sand guide plate, the tip setting of sand guide plate is in the top of charging chute notch.

In the sand mold with the automatic blanking function, the lifting device comprises a ball screw, and a servo motor is mounted at the end part of the ball screw; the ball screw is provided with a nut seat, the nut seat is provided with a movable seat, and the movable seat is fixedly connected with the side surface of the upper frame body.

In the sand mold with the automatic blanking function, each side wall of the lower frame body is provided with a cavity, and each cavity is internally provided with an electric vibrating piece; the electric vibrating piece can improve the looseness of the sand mold in the lower frame body in the blanking process, and further improves the blanking working speed.

In the sand mold with the automatic blanking function, the middle part of the inner bottom surface of the blanking groove is provided with a blanking opening, and two sides of the blanking opening are provided with guide plates which are obliquely arranged; a buffer plate is arranged between the top end parts of the two guide plates, and a hemispherical bulge is arranged in the middle of the top surface of the buffer plate; a shakeout channel is arranged at the position, corresponding to the circumference of the convex part of the hemisphere, on the buffer plate; the sand mold can be crushed by utilizing the hemispherical bulges, so that the finished internal casting can be conveniently taken out, and the use is convenient; and the broken sand can automatically fall into the blanking groove by arranging the blanking channel on the buffer plate, so that manual subsequent sand treatment is not needed, and the cleaning is facilitated.

Compared with the prior art, the utility model improves the existing sand mold, the upper frame body and the lower frame body are arranged on the base, the upper blocking device and the lower blocking device are respectively arranged on the bottom surfaces of the upper frame body and the lower frame body, and the upper blocking device and the lower blocking device are utilized to enable the upper frame body and the lower frame body to form an uncovered adjusting frame, so that the sand can not leak when the upper frame body and the lower frame body are filled with the sand; when the subsequent pouring molding is carried out, the falling phenomenon of the sand mold in the sand mold die consisting of the upper frame body and the lower frame body can be avoided, and the use stability is ensured; the top surface of the upper frame body is provided with the material pushing plate, the material pushing cylinder is connected to the material pushing plate, the bottom surface of the material pushing plate is provided with a plurality of vibration parts which are uniformly distributed in an annular shape, and the material pushing cylinder is used for driving the material pushing plate to move between the upper frame body and the lower frame body, so that sand and a subsequent casting finished product can be automatically taken down from a sand mold, manual blanking work is not needed, and the working efficiency is improved; the vibrating piece is arranged on the material pushing plate, so that a vibrating force can be transmitted to the sand formed in the material pushing plate, the sand is dispersed, the blanking work is facilitated, the blanking time is shortened, and the working efficiency is further improved; the lifting devices are arranged on the two side surfaces of the portal frame, and the upper frame body is arranged between the two lifting devices, so that the distance between the upper frame body and the lower frame body can be adjusted, the work of filling sand into the upper frame body and the lower frame body is facilitated, and the use is facilitated; the blanking groove is matched with the material pushing plate, so that sand and casting finished products in the blanking process can be collected, the phenomenon that the sand and the casting finished products drop around is avoided, and the cleaning is convenient; simultaneously all be provided with strutting arrangement through the both sides at the charging conduit, every strutting arrangement all sets up the below at framework down to make down the framework intussuseption grit and use the sand mould to carry out the in-process of casting, strutting arrangement and lower fender device can mutually support, when guaranteeing that whole sand mould can not appear leaking the sand phenomenon, have reduced the pressure that lower fender device bore, thereby have prolonged life. In addition, the photosensitive sensor and the first magnet piece are arranged on the end surface of the lower baffle plate, so that the position of the lower baffle plate can be positioned by using the photosensitive sensor, the phenomenon that the two lower baffle plates mutually generate impact is avoided, and the service life is prolonged; the arrangement of the first magnet piece enables the connection to be more stable when the two lower baffles are attached, so that the integral sand blocking capacity can be ensured, and the use stability is ensured; the installation seats which are uniformly distributed and used for supporting the lower frame body are arranged on the installation frame, so that a certain moving path can be provided for the lower blocking cylinder, and the use is convenient; the lower frame body can be conveniently disassembled and assembled, and the overhaul is convenient; the second magnet pieces are arranged on the side surfaces of the upper baffles, and the second magnet pieces can be used for increasing the stability of the connection of the two upper baffles, so that the structural stability is further improved; the electric vibrating pieces are arranged on the inner side wall of the lower frame body, so that the looseness of sand molds in the lower frame body can be improved in the blanking process, the stable blanking work is further facilitated, the blanking time is shortened, and the work efficiency is improved; the buffer plate is arranged in the blanking groove, the hemispherical bulge is arranged on the top surface of the buffer plate, and the sand mold can be crushed by the hemispherical bulge, so that the taking-out of a finished internal casting product is facilitated, and the use is facilitated; and the broken sand can automatically fall into the blanking groove by arranging the blanking channel on the buffer plate, so that manual subsequent sand treatment is not needed, and the cleaning is facilitated. Therefore, the utility model discloses not only can improve work efficiency, still have the advantage that stability in use is high, long service life, convenient to use and clearance are convenient.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a top view of a baffle plate;

FIG. 3 is a bottom view of the upper frame;

FIG. 4 is a side view of the lower baffle plate;

FIG. 5 is an enlarged view of a portion of FIG. 1 at A;

fig. 6 is a partially enlarged view at B in fig. 1.

The symbols in the drawings are: 1-a base, 2-a blanking groove, 3-a lower frame body, 4-a portal frame, 5-an upper frame body, 6-a material pushing plate, 7-a material pushing cylinder, 8-a vibrating piece, 9-a mounting frame, 10-a lower blocking cylinder, 11-a lower baffle plate, 12-a first mounting groove, 13-a photosensitive sensor, 14-a second mounting groove, 15-a first magnet piece, 16-a mounting seat, 17-an upper blocking cylinder, 18-an upper blocking moving piece, 19-an upper baffle plate, 20-a third mounting groove, 21-a second magnet piece, 22-a supporting cylinder, 23-a supporting plate, 24-a wear-resisting piece, 25-a ball screw, 26-a servo motor, 27-a moving seat, 28-an electric vibrating piece, 29-a sand falling port and 30-a guide plate, 31-buffer plate, 32-hemispherical bulge and 33-shakeout channel.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples are given. The sand mold with the automatic blanking function is formed as shown in figures 1 to 6 and comprises a base 1, wherein a blanking groove 2 is arranged on the top surface of the base 1; a lower frame body 3 is arranged above the charging chute 2, and a portal frame 4 is arranged above the lower frame body 3; two inner side surfaces of the portal frame 4 are respectively provided with a lifting device, and an upper frame body 5 is arranged right above the lower frame body 3 and is arranged between the two lifting devices; the upper frame body 5 and the lower frame body 3 are both of an upper and lower open structure, a material pushing plate 6 is arranged on the top surface of the upper frame body 5, and a material pushing cylinder 7 positioned on the top surface of the portal frame 4 is connected to the top surface of the material pushing plate 6; a plurality of vibration parts 8 which are uniformly distributed in a ring shape are arranged on the bottom surface of the material pushing plate 6; two side surfaces of the upper frame body 5 are respectively provided with an upper blocking device for blocking the bottom end part of the upper frame body 5; supporting devices are arranged on two sides of the charging chute 2, and each supporting device is connected with a lower blocking device used for blocking the bottom end of the lower frame body 3.

The lower baffle device comprises a mounting frame 9 positioned on one side of the supporting device far away from the charging chute 2, two symmetrically distributed lower baffle cylinders 10 are arranged on the side surface of the mounting frame 9 facing the supporting device, and a horizontally arranged lower baffle plate 11 for blocking the bottom end part of the lower frame body 3 is arranged between the end parts of the two lower baffle cylinders 10; a first mounting groove 12 is formed in the end face of the lower frame body 3 above the lower baffle plate 11, a photosensitive sensor 13 is arranged in the first mounting groove 12, and the photosensitive sensor 13 is electrically connected with the lower baffle cylinder 10; second mounting grooves 14 are formed in both sides of the first mounting groove 12, and a first magnet piece 15 is arranged in each second mounting groove 14; a plurality of uniformly distributed mounting seats 16 are arranged on the mounting frame 9 and the side surface of the lower frame body 3, and each mounting seat 16 is arranged above the lower baffle cylinder 10; each mounting seat 16 is fixedly connected with the side surface of the lower frame body 3; the upper gear device comprises an upper gear cylinder 17, and an upper gear moving piece 18 is arranged on the upper gear cylinder 17; an upper baffle plate 19 for blocking the bottom surface of the upper frame body 5 is arranged on the bottom surface of the upper blocking moving piece 18, which is far away from the end part of the upper blocking cylinder 17, a third mounting groove 20 is arranged on the upper surface of the upper baffle plate 19 and on the side surface of the upper frame body 5, and a plurality of second magnet pieces 21 which are uniformly distributed are arranged in the third mounting groove 20; the supporting device comprises a supporting cylinder 22 positioned below the lower frame body 3, and a supporting plate 23 is arranged on the supporting cylinder 22; a wear-resistant part 24 is arranged on the top surface of the supporting plate 23, an arc-shaped sand guide plate is arranged on the end surface, close to the charging chute 2, of the supporting plate 23, and the end part of the sand guide plate is arranged above the notch of the charging chute 2; the lifting device comprises a ball screw 25, and a servo motor 26 is arranged at the end part of the ball screw 25; a nut seat is arranged on the ball screw 25, a moving seat 27 is arranged on the nut seat, and the moving seat 27 is fixedly connected with the side surface of the upper frame body 5; each side wall of the lower frame body 3 is internally provided with a cavity, and each cavity is internally provided with an electric vibrating piece 28; a shakeout opening 29 is formed in the middle of the inner bottom surface of the blanking groove 2, and guide plates 30 which are obliquely arranged are mounted on two sides of the shakeout opening 29; a buffer plate 31 is arranged between the top end parts of the two guide plates 30, and a hemispherical bulge 32 is arranged in the middle of the top surface of the buffer plate 31; the buffer plate 31 is provided with a shakeout passage 33 at a position corresponding to the circumference of the hemispherical protrusion 32.

The working principle is as follows: in the casting process, firstly, the whole device is connected with an external safe commercial power, so that the photosensitive sensor 13 is electrified and started; then the lower gear cylinder 10 is controlled to start, and the lower gear cylinder 10 can drive the lower baffle plate 11 to move towards the bottom surface of the lower frame body 3 after being started; when the lower baffle cylinder 10 drives the lower baffles 11 to move towards the bottom surface of the lower frame 3, the distance between the two lower baffles 11 is reduced, and when the end surfaces of the two lower baffles 11 move to the central shaft of the lower frame 3, the two lower baffles 11 just shield the whole bottom surface of the lower frame 3, and the end surfaces of the two lower baffles 11 just adhere to each other; when the end surfaces of the two lower baffle plates 11 are attached together, the two lower baffle plates 11 can be more stably attached together and cover the bottom end part of the lower frame body 3 by utilizing the mutual attraction between the first magnet pieces 15; meanwhile, the photosensitive sensor 13 (the photosensitive sensor used in the present invention may specifically adopt models such as LXD/GB5-AIE, LXD/GB3-A1DPS or LS 560) cannot detect light, at this time, the photosensitive sensor 13 will send a signal to a peripheral controller (the controller is disposed on the side of the base 1, and specifically may adopt programmable controllers of models such as FX2C-20MRD, Cortex-R8, or Cortex-M7), and after the controller receives the signal transmitted from the photosensitive sensor 13, the controller will control the lower baffle cylinder 10 to pause, so that the lower baffle 11 stays at the current position; then the controller controls the supporting cylinder 22 to start, the supporting cylinder 22 drives the supporting plate 23 to move upwards after starting, finally the top surface of the supporting plate 23 is contacted with the bottom surface of the lower baffle plate 11, and the supporting plate 23 can be used for supporting the lower baffle plate 11 and reducing the pressure; sand can then be filled into the upper frame body 5 and the lower frame body 3 and compacted, and then the finished product is placed in the lower frame body 3 to complete the fixed die.

After the sand fixing in the lower frame body 3 is completed, the finished product is taken down, then the servo motor 26 and the upper shift cylinder 17 are started for a certain time, and the upper shift cylinder 17 drives the upper baffle plate 19 to move out of the bottom surface of the upper frame body 5 after being started, so that the sand on the upper frame body 5 and the sand on the lower frame body 3 can be matched together; after the servo motor 26 is started in the forward direction, the ball screw 25 is driven to rotate, the nut seat is driven to move towards the top surface of the base 1 in the rotating process of the ball screw 25, the moving seat 27 is driven to move towards the base 1 in the moving process of the nut seat, the upper frame body 5 is driven to move together in the moving process of the moving seat 27, the upper frame body 5 coincides with the lower frame body 3 in the moving process of the upper frame body 5, and therefore the upper die and the lower die can be formed by sand in the upper frame body 5 and the lower frame body 3; then, the casting liquid is injected into the sand mold in the lower frame 3 through the sand on the upper frame 5, and the casting work is performed.

After the casting operation is completed, the sand in the upper frame 5 and the lower frame 3 and the casting finished product in the sand need to be taken out; at this time, the support cylinder 22 and the lower baffle cylinder 10 are controlled to stop, and after the support cylinder 22 stops, the support plate 23 is driven to move towards the base 1, so that the support plate 23 is separated from the lower baffle 11; after the lower baffle cylinder 10 stops, the two lower baffles 11 are driven to be away from each other, so that the bottom surface in the lower frame body 3 is opened; then controlling the material pushing cylinder 7, the vibrating piece 8 and the electric vibrating piece 28 to be electrified and started, wherein the vibrating piece 8 and the electric vibrating piece 28 can generate vibration after being started and transmit the vibration to the sand on the upper frame body 5 and the sand on the lower frame body 3, so that the sand on the upper frame body 5 and the sand on the lower frame body 3 are loosened, and the subsequent material pushing work is facilitated; after the pushing cylinder 7 is started, the pushing plate 6 is driven to move towards the inside of the upper frame body 5, sand in the upper frame body 5 can be pushed into the lower frame body 3 in the moving process of the pushing plate 6, and finally the sand and a finished product in the lower frame body 3 are pushed into the blanking groove 2; because the supporting plate 23 is provided with the arc-shaped sand guide plate, the sand and the finished product can be guided by the sand guide plate, and the sand outside the finished product can be primarily scattered; after the sand and the finished product move into the blanking groove 2, the finished product and the sand can be in contact with the buffer plate 31, the sand on the surface of the finished product is further scattered by utilizing the hemispherical protrusions on the buffer plate 31, the finished product is finally left on the buffer plate 31, the scattered sand can flow to the inner bottom surface of the blanking groove 2 through the blanking channel 33, and finally the sand flows out through the blanking port 29 to be repeatedly used in subsequent treatment.

Claims

1. Sand mould of automatic unloading function in area, its characterized in that: comprises a base (1), wherein a charging chute (2) is arranged on the top surface of the base (1); a lower frame body (3) is arranged above the charging chute (2), and a portal frame (4) is arranged above the lower frame body (3); two inner side surfaces of the portal frame (4) are respectively provided with a lifting device, and an upper frame body (5) positioned right above the lower frame body (3) is arranged between the two lifting devices; the upper frame body (5) and the lower frame body (3) are both of an upper and lower open structure, a material pushing plate (6) is arranged on the top surface of the upper frame body (5), and a material pushing cylinder (7) located on the top surface of the portal frame (4) is connected to the top surface of the material pushing plate (6); a plurality of vibrating pieces (8) which are uniformly distributed in a ring shape are arranged on the bottom surface of the material pushing plate (6); two side surfaces of the upper frame body (5) are respectively provided with an upper blocking device for blocking the bottom end part of the upper frame body (5); supporting devices are arranged on two sides of the charging chute (2), and each supporting device is connected with a lower blocking device used for blocking the bottom end of the lower frame body (3).

2. The sand mold with the automatic blanking function according to claim 1, characterized in that: the lower blocking device comprises a mounting frame (9) positioned on one side of the supporting device far away from the charging chute (2), two lower blocking cylinders (10) which are symmetrically distributed are arranged on the side surface of the mounting frame (9) facing the supporting device, and a lower baffle (11) which is horizontally arranged and used for blocking the bottom end part of the lower frame body (3) is arranged between the end parts of the two lower blocking cylinders (10); a first mounting groove (12) is formed in the end face, facing the lower frame body (3), of the upper surface of the lower baffle plate (11), a photosensitive sensor (13) is arranged in the first mounting groove (12), and the photosensitive sensor (13) is electrically connected with the lower baffle cylinder (10); the two sides of the first mounting groove (12) are provided with second mounting grooves (14), and a first magnet piece (15) is arranged in each second mounting groove (14).

3. The sand mold with the automatic blanking function according to claim 2, characterized in that: a plurality of uniformly distributed mounting seats (16) are arranged on the upper surface of the mounting rack (9) and the side surface of the lower frame body (3), and each mounting seat (16) is arranged above the lower baffle cylinder (10); each mounting seat (16) is fixedly connected with the side surface of the lower frame body (3).

4. The sand mold with the automatic blanking function according to claim 1, characterized in that: the upper gear device comprises an upper gear cylinder (17), and an upper gear moving piece (18) is installed on the upper gear cylinder (17); an upper baffle (19) used for blocking the bottom surface of the upper frame body (5) is arranged on the bottom surface, away from the end part of the upper blocking cylinder (17), of the upper blocking moving part (18), a third installation groove (20) is formed in the side surface of the upper frame body (5) above the upper baffle (19), and a plurality of second magnet pieces (21) which are uniformly distributed are arranged in the third installation groove (20).

5. The sand mold with the automatic blanking function according to claim 1, characterized in that: the supporting device comprises a supporting cylinder (22) positioned below the lower frame body (3), and a supporting plate (23) is arranged on the supporting cylinder (22); the top surface of the supporting plate (23) is provided with a wear-resistant part (24), the end surface, close to the charging chute (2), of the supporting plate (23) is provided with a circular arc-shaped sand guide plate, and the end part of the sand guide plate is arranged above the notch of the charging chute (2).

6. The sand mold with the automatic blanking function according to claim 1, wherein: the lifting device comprises a ball screw (25), and a servo motor (26) is installed at the end part of the ball screw (25); the ball screw (25) is provided with a nut seat, the nut seat is provided with a movable seat (27), and the movable seat (27) is fixedly connected with the side surface of the upper frame body (5).

7. The sand mold with the automatic blanking function according to claim 1, characterized in that: and each side wall of the lower frame body (3) is internally provided with a cavity, and each cavity is internally provided with an electric vibration sheet (28).

8. The sand mold with the automatic blanking function according to any one of claims 1 to 7, characterized in that: a shakeout opening (29) is formed in the middle of the inner bottom surface of the blanking groove (2), and guide plates (30) which are obliquely arranged are arranged on two sides of the shakeout opening (29); a buffer plate (31) is arranged between the top end parts of the two guide plates (30), and a hemispherical bulge (32) is arranged in the middle of the top surface of the buffer plate (31); a shakeout channel (33) is arranged on the buffer plate (31) at the position corresponding to the circumference of the hemispherical bulge (32).