CN212384576U

CN212384576U - Casting sand box turnover machine

Info

Publication number: CN212384576U
Application number: CN202021779715.9U
Authority: CN
Inventors: 张鹏; 保五生; 张天兴; 张旭
Original assignee: Zhengzhou Yusheng Casting Co ltd
Current assignee: Zhengzhou Yusheng Casting Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-01-22
Anticipated expiration: 2030-08-24

Abstract

The utility model relates to a casting sand box turnover machine, which comprises a rotary unit, a bearing unit, a chute unit and a limit unit, wherein the rotary unit comprises brackets at two sides and a rotary shaft rotatably arranged between the brackets at two sides; the lower part of the rotating shaft is provided with the bearing unit, and the bearing unit comprises lower clamping seats on two sides, a connecting plate for connecting the clamping seats on the two sides and a bracket arranged below the connecting plate; the upper part of the rotating shaft is provided with a chute unit, the chute unit comprises upper clamping seats on two sides and a chute connected with the upper clamping seats on the two sides, and the upper clamping seat and the lower clamping seat are mutually buckled on the rotating shaft; the limiting unit is arranged in the chute in a rotating mode and comprises a limiting frame and a grate plate arranged in the limiting frame, a plurality of connecting rods are arranged between the limiting frame and the bracket, and a dust hood is arranged on the upper portion of the limiting frame. The utility model discloses it is rational in infrastructure, can once only with molding sand and foundry goods good separation, and can avoid the diffusion of raise dust, guarantee the clean and tidy of operation environment.

Description

Casting sand box turnover machine

Technical Field

The utility model relates to a V method casting technical field especially relates to a casting sand box turnover machine.

Background

The V-method casting is to seal a sand box by using a plastic film, pump out air in the mould by a vacuum pumping system, have pressure difference inside and outside the mould to compact dry sand to form a required cavity, solidify a casting by core setting, mould assembling, pouring and vacuumizing, remove negative pressure, and collapse the moulding sand to obtain the casting.

After the required casting is obtained, the sand box is required to be placed on a box turnover machine, a worker is positioned at a sand falling position and operates the box turnover machine to turn over and pour sand so as to take out the model and the casting, in terms of the sand falling position, the safety coefficient is low, raised dust which is swung up during pouring sand is diffused to be bad in working environment, the pollution is serious, the operation of the existing box turnover machine is complex when the sand box is assembled and disassembled, the fixation of the sand box in a turnover mode is difficult to guarantee, and the molding sand and the casting cannot be well separated at one time during pouring sand.

Taking a semi-automatic box overturning device disclosed in the publication No. CN 106735111 a as an example, the semi-automatic box overturning device is matched with a clamping hole formed in a sand box through a clamping jaw to fix the sand box, as can be seen from fig. 1, the sand box is in a suspended state after being fixed, the clamping jaw is stressed greatly, the clamping jaw is difficult to maintain a stable clamping state during box overturning, so that the sand box is unstable, and the state of a casting during sand pouring cannot be known, which has certain limitations. Therefore, the casting sand box turnover machine is provided.

Disclosure of Invention

The utility model discloses a solve traditional box turnover machine sand box fixed inconvenient, the raise dust of falling sand is big, and the problem of the unable good separation of molding sand and foundry goods provides a casting sand box turnover machine, can guarantee to the good fixed of sand box and the clean and tidy of operation environment, has realized disposable separation molding sand and foundry goods.

In order to achieve the above object, the utility model adopts the following technical scheme:

a casting sand box turnover machine comprises a rotary unit, a bearing unit, a chute unit and a limiting unit, wherein the rotary unit comprises brackets on two sides and a rotary shaft rotatably arranged between the brackets on the two sides;

the lower part of the rotating shaft is provided with the bearing unit, the bearing unit comprises lower clamping seats on two sides, a connecting plate connected with the clamping seats on the two sides and an L-shaped bracket arranged below the connecting plate, a rotating lifting lug is arranged on one side of the bracket, and a foot pad is arranged at the bottom of the bracket;

the chute unit is arranged at the upper part of the rotating shaft and comprises upper clamping seats on two sides and a chute connected with the upper clamping seats on the two sides, the upper clamping seats and the lower clamping seats have the same structure and are fastened on the rotating shaft and are connected and fastened through bolts;

the limiting unit is arranged in the chute in a rotating mode and comprises a limiting frame in a shape like a Chinese character 'hui' and a grate plate arranged in the limiting frame, a plurality of connecting rods are detachably arranged between the limiting frame and the bracket, a dust hood is arranged on the upper portion of the limiting frame, and an air port of the dust hood faces upwards.

Furthermore, the rotating shaft is positioned at the top end of the support, and clamping grooves are symmetrically formed in two ends of the rotating shaft; the upper clamping seat and the lower clamping seat are vertically buckled in the clamping groove, and the upper clamping seat and the lower clamping seat are connected and fastened through bolts.

Furthermore, the bracket comprises a plurality of supporting plates arranged at intervals and a reinforcing plate connected with the supporting plates, the cross sections of the supporting plates are L-shaped, the vertical ends of the supporting plates are fixedly connected with the connecting plate, and the horizontal ends of the supporting plates are connected with the reinforcing plate to form a grid shape.

Furthermore, the chute comprises a flat plate part and side plate parts which are integrally formed, the section of the flat plate part is in an inverted convex shape, the side plate parts are fixedly arranged on the left side and the right side of the flat plate part, and the side plate parts are vertically and fixedly arranged on the upper clamping seat; the lower end of the flat plate part is connected with the connecting plate bolt, and the section of the flat plate part is L-shaped.

Furthermore, a fixed rod is inserted between the side plate parts at the two sides, and bolts are arranged at the two ends of the fixed rod; the limiting frame is rotatably arranged on the fixing rod.

Furthermore, the limiting frame and the bracket are vertically corresponding and arranged in parallel; the connecting rod comprises a vertical rod part and a clamping plate part, and the upper end and the lower end of the vertical rod part are connected with the limiting frame and the bracket through bolts respectively.

Furthermore, the dust hood is arranged around the limit frame in a U-shaped surrounding manner and comprises a hood body, a plurality of air holes formed in the inner side wall of the hood body and air pipe joints arranged on the outer side wall of the hood body;

air deflectors are arranged on the inner side wall of the cover body and positions corresponding to the air holes, and the air deflectors are bent upwards in an L shape to control the air inlet direction.

Furthermore, pull rods are further arranged on two sides of the bracket, the lower ends of the pull rods are hooked on the supporting plate, and adjusting bolts are arranged at the upper ends of the pull rods after the pull rods are bent.

Through the technical scheme, the beneficial effects of the utility model are that:

the utility model has the advantages of reasonable structural design, the bracket is used for bearing the sand box, the matched chute of the bracket can pour the molding sand to the sand silo conveniently, the bracket and the chute can be connected in a detachable way, and the maintenance and the overhaul are convenient; the bracket, the limiting frame and the connecting rod are matched with each other, so that the sand box can be fixed, and the sand box is further ensured to be fixed by the aid of the pull rod, and accidents caused by deviation in the box turning process are avoided; the grate plate can separate the molding sand from the casting at one time, so that the molding sand for casting automatically flows out, and the casting is remained in the sand box, thereby improving the shakeout efficiency.

The dust hood arranged in the utility model is arranged around the limit frame, and is matched with the dust absorption fan when the molding sand is poured, and the swinging dust is absorbed in time, thereby improving the working environment; the box turnover device has the advantages that the box turnover device is stable in operation and flexible in use as rotary power through the travelling crane or the speed reduction motor, the box turnover efficiency can be improved, the labor intensity is reduced, the operation safety of workers is guaranteed, and the box turnover device has good practicability.

Drawings

Fig. 1 is a schematic view of the whole structure of the casting sand box turning machine of the present invention.

Fig. 2 is an exploded view of fig. 1 of a casting flask box-turning machine of the present invention.

Fig. 3 is a half sectional view of fig. 1 of a casting flask box-turning machine of the present invention.

Fig. 4 is an enlarged schematic view of a point a in fig. 3 of the casting flask box-turning machine of the present invention.

Fig. 5 is an enlarged schematic view of the casting flask box-turning machine of the present invention at the position B in fig. 3.

Fig. 6 is a schematic diagram of the turnover and sand pouring operation of the casting sand box turnover machine of the utility model.

Fig. 7 is a schematic view of the rotation of the gear motor of the casting sand box turning machine of the present invention.

The reference numbers in the drawings are as follows: the device comprises a support 1, a rotating shaft 2, a lower clamping seat 3, a connecting plate 4, a bracket 5, a supporting plate 51, a reinforcing plate 52, a rotating lifting lug 6, a foot pad 7, an upper clamping seat 8, a chute 9, a flat plate 91, a side plate 92, a limiting frame 10, a grate plate 11, a connecting rod 12, a vertical rod 121, a clamping plate 122, a dust hood 13, a cover body 131, an air hole 132, an air pipe joint 133, a clamping groove 14, a fixing rod 15, an air deflector 16, a speed reduction motor 17, a pull rod 18 and an adjusting bolt 19.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings:

as shown in fig. 1 to 6, the casting sand box turnover machine comprises a rotary unit, a bearing unit for bearing a sand box, a chute unit for shakeout and a limiting unit for limiting the sand box, wherein the rotary unit comprises supports 1 on two sides and a rotary shaft 2 rotatably arranged between the supports 1 on the two sides, the rotary shaft 2 is positioned at the top ends of the supports 1, and clamping grooves 14 are symmetrically formed in two ends of the rotary shaft 2.

The bearing unit is arranged at the lower part of the rotating shaft 2 by taking the radial direction of the rotating shaft 2 as a symmetrical center, and comprises lower clamping seats 3 at two sides, a connecting plate 4 fixedly connected with the clamping seats at two sides and an L-shaped bracket 5 fixedly arranged below the connecting plate 4, wherein the bracket 5 is used for bearing a sand box;

specifically, the bracket 5 includes three support plates 51 arranged at intervals and four reinforcing plates 52 connecting the three support plates 51, the cross section of each support plate 51 is L-shaped, the vertical end of each support plate 51 is fixedly connected with the connecting plate 4, and the horizontal end of each support plate 51 is connected with the reinforcing plates 52 to form a grid-shaped cross section.

The turning lifting lug 6 is arranged on one side of the bracket 5, the travelling crane is further arranged in the embodiment, when the box turning and sand pouring operation is carried out, a lifting hook of the travelling crane is hooked on the turning lifting lug 6, and the travelling crane is used as power to drive the bracket 5 to turn over along the turning shaft 2, so that the box turning and sand pouring operation is carried out.

In order to prevent the bracket 5 from directly contacting the ground to cause abrasion, the bottom of the bracket 5 is provided with two pad feet 7, the pad feet 7 are of a plate-shaped structure made of rubber, the length direction of the pad feet 7 is the same as the arrangement direction of the reinforcing plate 52, and the lower end surface of the pad feet 7 is flush with the lower end surface of the support 1, so that the bracket 5 is suspended and does not directly contact the ground.

The chute unit is arranged on the upper portion of the rotating shaft 2 and comprises upper clamping seats 8 on two sides and chutes 9 connected with the upper clamping seats 8 on the two sides, the upper clamping seats 8 and the lower clamping seats 3 are identical in structure, the upper clamping seats 8 and the lower clamping seats 3 are buckled in the clamping grooves 14, and the upper clamping seats 8 and the lower clamping seats 3 are fastened through bolts.

In this embodiment, the chute 9 is used for receiving molding sand poured out from a sand box, the chute 9 includes a flat plate portion 91 and side plate portions 92 which are integrally formed, the cross section of the flat plate portion 91 is in an inverted "convex" shape, the side plate portions 92 are fixedly arranged on the left side and the right side of the flat plate portion 91, the cross section of each side plate portion 92 is in a right trapezoid shape, and each side plate portion 92 is vertically and fixedly arranged on the upper clamping seat 8.

In order to prevent that when pouring sand, the molding sand landing outside chute 9, the flat plate part 91 lower extreme surpasss upper clamping seat 8 and extends to even 4 positions of board and even 4 bolted connection of board, and the cross-section is "L" shape after flat plate part 91 and even 4 connection of board, and then chute 9 three sides are sealed, only the upside is uncovered, and the molding sand is followed the upside roll-off of chute 9 during the upset, is avoided the molding sand from chute 9 lower extreme roll-off.

The limiting unit is rotatably arranged in the chute 9 and comprises a square-shaped limiting frame 10 and grate plates 11 arranged in the limiting frame 10, specifically, fixing rods 15 are inserted between the side plate parts 92 on two sides, the length of each fixing rod 15 is the same as the width of the chute 9, bolts are arranged at two ends of each fixing rod 15 to limit the fixing rods to move left and right, the limiting frame 10 is rotatably arranged on the fixing rods 15, and the width of each limiting frame 10 is smaller than the length of each fixing rod 15.

In this embodiment, the limiting frame 10 and the bracket 5 are arranged in parallel and vertically corresponding to each other, the sand box is clamped and fixed between the limiting frame 10 and the bracket 5 for being turned over, a plurality of connecting rods 12 are detachably arranged between the limiting frame 10 and the bracket 5, each connecting rod 12 comprises a vertical rod part 121 and a clamping plate part 122, the upper end and the lower end of each vertical rod part 121 are connected with the limiting frame 10 and the bracket 5 through bolts, and the clamping plate parts 122 clamp the sand box when the sand box is turned over.

In order to avoid the diffusion of raised dust which is swung up when the box is turned over and sand is poured, the clean and tidy workshop environment is ensured, the upper part of the limiting frame 10 is detachably provided with a hollow dust hood 13 with a U-shaped section through bolts, and an air port of the dust hood 13 faces upwards.

Specifically, the dust hood 13 is arranged around the limit frame 10, the dust hood 13 includes a hood body 131, a plurality of air holes 132 formed in the inner side wall of the hood body 131, and an air duct joint 133 arranged on the outer side wall of the hood body 131, the air holes 132 are rectangular holes, the air holes 132 are located in the inner walls of the three sides of the hood body 131, air deflectors 16 are arranged on the inner side wall of the hood body 131 and in positions corresponding to the air holes 132, the air deflectors 16 are bent upwards in an L shape, the air deflectors 16 are matched with the air holes 132 to enable the openings of the air holes 132 to face upwards, so that molding sand can be prevented from falling into the air holes 132 during sand pouring, and the accuracy of dust collection operation can be ensured.

In this embodiment, still be provided with dust exhausting fan, dust exhausting fan is connected to tuber pipe joint 133 through the tuber pipe, and dust cage 13 is when the operation, and the raise dust that has swung is upwards filled, and the case turning process, wind hole 132 opening orientation constantly change to in inhale the raise dust.

In order to optimize the product structure, in the embodiment, pull rods 18 are further arranged on two sides of the bracket 5, the cross section of the lower end of each pull rod 18 is -shaped and is hooked on the supporting plate 51, the cross section of the upper end of each pull rod 18 is Gamma-shaped, and an adjusting bolt 19 is arranged at the upper end of each pull rod 18, so that the sand box is further reinforced through the pull rods 18;

as described above, the bracket 5 is suspended by the foot 7, and it is for easy installation of the lower end of the tie bar 18 and the pallet 51.

In an initial state, the bracket 1 is fixed on the ground through foundation bolts; the upper end of the vertical rod part 121 is not arranged with the limiting frame 10, and the limiting frame 10 is turned over to be leaned on the chute 9; the tie rods 18 are not mounted with the bracket 5.

During the operation of turning over and pouring sand, the sand box is hung on the bracket 5, the limiting frame 10 is put down and is abutted against the upper end of the sand box, the upper end of the vertical rod part 121 is fixedly connected onto the limiting frame 10 through a bolt, the clamping plate part 122 is clamped on the side wall of the sand box after connection, so as to limit the position of the sand box, the lower end of the pull rod 18 is arranged on the bracket 5, the upper end of the pull rod is clamped on the side wall of the sand box, and the adjusting bolt 19 is screwed down and abutted against the side wall of the sand box so as;

the sand box is fixed behind bracket 5, hangs driving hook on gyration lug 6, starts the driving and turns over the case and pours the sand, and dust exhausting fan starts, suction hood 13 removes dust, at bracket 5 upset in-process, and molding sand constantly pours to chute 9 in the sand box, and rethread chute 9 pours to the sand silo, and grate plate 11 plays the effect of disposable separation molding sand and foundry goods, and then the foundry goods stays in the sand box.

In this embodiment, as shown in fig. 7, a reduction motor 17 may be provided on one side of the frame 1, and the reduction motor 17 is in transmission connection with the revolving shaft 2, so that the turnover and sand pouring operation can be performed by using the reduction motor 17 as the turnover power.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the present invention, so that equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. The casting sand box turnover machine is characterized by comprising a rotary unit, a bearing unit, a chute unit and a limiting unit, wherein the rotary unit comprises brackets (1) on two sides and a rotary shaft (2) rotatably arranged between the brackets (1) on the two sides;

the lower part of the rotating shaft (2) is provided with the bearing unit, the bearing unit comprises lower clamping seats (3) at two sides, a connecting plate (4) for connecting the clamping seats at the two sides and an L-shaped bracket (5) arranged below the connecting plate (4), one side of the bracket (5) is provided with a rotating lifting lug (6), and the bottom of the bracket (5) is provided with a pad foot (7);

the chute unit is arranged at the upper part of the rotating shaft (2) and comprises upper clamping seats (8) on two sides and a chute (9) connected with the upper clamping seats (8) on the two sides, the upper clamping seats (8) and the lower clamping seats (3) have the same structure, are buckled on the rotating shaft (2) and are connected and fastened through bolts;

the limiting unit is arranged in the chute (9) in a rotating mode and comprises a square-shaped limiting frame (10) and a grate plate (11) arranged in the limiting frame (10), a plurality of connecting rods (12) are detachably arranged between the limiting frame (10) and the bracket (5), a dust hood (13) is arranged on the upper portion of the limiting frame (10), and an air opening of the dust hood (13) faces upwards.

2. The casting sand box turning machine as claimed in claim 1, wherein the rotating shaft (2) is positioned at the top end of the bracket (1), and clamping grooves (14) are symmetrically formed at two ends of the rotating shaft (2); the upper clamping seat (8) and the lower clamping seat (3) are buckled in the clamping groove (14) up and down, and the upper clamping seat (8) and the lower clamping seat (3) are connected and fastened through bolts.

3. The casting sand box turnover machine according to the claim 2, characterized in that the bracket (5) comprises a plurality of supporting plates (51) arranged at intervals and a reinforcing plate (52) connected with the supporting plates (51), the cross section of the supporting plate (51) is L-shaped, the vertical end of the supporting plate (51) is fixedly connected with the connecting plate (4), and the horizontal end of the supporting plate (51) is connected with the reinforcing plate (52) to form a grid shape.

4. The casting sand box turnover machine according to the claim 1, characterized in that the chute (9) comprises a flat plate part (91) and side plate parts (92) which are integrally formed, the cross section of the flat plate part (91) is in a shape of inverted 'convex', the side plate parts (92) are fixedly arranged at the left side and the right side of the flat plate part (91), and the side plate parts (92) are vertically and fixedly arranged on the upper clamping seat (8);

the lower end of the flat plate part (91) is connected with the connecting plate (4) through a bolt, and the cross section is L-shaped.

5. The casting sand box turnover machine as claimed in claim 4, wherein a fixing rod (15) is inserted between the side plate parts (92) at two sides, and bolts are arranged at two ends of the fixing rod (15); the limiting frame (10) is rotatably arranged on the fixing rod (15).

6. A foundry flask box-turnover machine according to claim 5, characterized in that said limit frames (10) and said brackets (5) are arranged correspondingly up and down and in parallel;

the connecting rod (12) comprises a vertical rod part (121) and a clamping plate part (122), and the upper end and the lower end of the vertical rod part (121) are connected with the limiting frame (10) and the bracket (5) through bolts respectively.

7. The casting sand box turnover machine according to the claim 1, characterized in that the dust hood (13) is provided around the limit frame (10) in a U-shape, the dust hood (13) comprises a hood body (131), a plurality of air holes (132) provided on the inner side wall of the hood body (131), and an air pipe joint (133) provided on the outer side wall of the hood body (131);

the air guide plates (16) are arranged on the inner side wall of the cover body (131) and the positions corresponding to the air holes (132), and the air guide plates (16) are bent upwards in an L shape to control the air inlet direction.

8. A foundry flask box-turnover machine according to claim 1, characterized in that the brackets (5) are provided with pull rods (18) at both sides, the lower ends of the pull rods (18) are hooked on the supporting plate (51), and the upper ends of the pull rods (18) are provided with adjusting bolts (19) after being bent.