CN209902208U

CN209902208U - Sand box

Info

Publication number: CN209902208U
Application number: CN201920178165.6U
Authority: CN
Inventors: 戎振钜
Original assignee: Hangzhou Zhenhua Sheet Metal Co Ltd
Current assignee: Hangzhou Zhenhua Sheet Metal Co Ltd
Priority date: 2019-01-31
Filing date: 2019-01-31
Publication date: 2020-01-07
Anticipated expiration: 2029-01-31

Abstract

The utility model relates to a casting equipment technical field, more specifically say, it relates to a sand box, aims at solving the problem of being connected stability between framework and the reticular lamina, and its technical scheme main points are: comprises two identical flask units above and below, the flask units comprising a mesh plate; the net-shaped plate is characterized by also comprising four side plates which are vertical to the net-shaped plate and detachably connected with the net-shaped plate, wherein one side of each side plate, facing the net-shaped plate, is provided with a plug board embedded in the side wall of the net-shaped plate; the clamping piece is used for clamping the adjacent side plates. The utility model discloses a set up the plugboard, peg graft the plugboard in netted board lateral wall for mutual joint prevents that netted board from reciprocating between curb plate and the netted board, strengthens the area of contact between curb plate and the netted board simultaneously, makes the curb plate be connected inseparabler with netted spare.

Description

Sand box

Technical Field

The utility model relates to a casting equipment technical field, more specifically say, it relates to a sand box.

Background

The sand box is important equipment in the lost foam casting production and plays an important role in the casting process; the box body of the lost foam adopts steel plates, channel steel, stainless steel meshes, pore plates and the like for welding and forming, and is divided into the following parts according to different purposes: the composite sand box can ensure that the cast reaches the most reasonable negative pressure field when the casting is vacuumized in the sand box, so that the cast full-box casting is well molded; for some simple casting with low requirement, a simple sand box can be adopted.

The prior art sand box (as shown in fig. 1) comprises two sand box units, wherein each sand box unit comprises a frame body and a mesh plate 11 fixed in the frame body, the mesh plate 11 is usually connected with the frame body through welding, in the actual production, dry sand without an adhesive needs to be added in the sand box units, the dry sand is sucked during pouring, negative pressure is generated in the dry sand, a mold is extruded, the frame body is in a negative pressure state for a long time, and the welding with the mesh plate 11 is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a sand box, through setting up the plugboard, peg graft the plugboard in netted board lateral wall for mutual joint prevents that netted board from reciprocating between curb plate and the netted board, strengthens the area of contact between curb plate and the netted board simultaneously, makes the curb plate be connected inseparabler with netted piece.

The above technical purpose of the present invention can be achieved by the following technical solutions: a flask comprising two identical flask units located above and below, respectively, the flask units comprising a mesh plate; the connecting piece is connected with the side plates of the netted plate, and the side plates are connected with the connecting piece.

Through adopting above-mentioned technical scheme, set up the plugboard on the curb plate, peg graft the plugboard in the reticular lamina lateral wall for mutual joint prevents that the reticular lamina from reciprocating between curb plate and the reticular lamina, strengthens the area of contact between curb plate and the reticular lamina simultaneously, makes curb plate and netted piece be connected inseparabler.

The utility model discloses further set up to: the sand box unit further comprises a clamping piece for clamping the adjacent side plates, and the clamping piece is provided with a clamping groove for clamping the side plates along the length direction.

By adopting the technical scheme, after the side plates and the mesh plates are mutually clamped, the clamping grooves correspond to the side plates, and then the clamping pieces slide along the vertical direction, so that the adjacent side plates are clamped in the clamping grooves, and the purpose of fixing the side plates is achieved; simultaneously, the joint spare can make the connection between curb plate and the reticular lamina inseparabler when the adjacent curb plate of joint to guarantee the stability of whole sand box.

The utility model discloses further set up to: a limiting block is fixed at the top end of the clamping piece of the lower sand box unit; a first groove for clamping the limiting block is formed in the bottom end of the clamping piece of the sand box unit above the sand box unit.

Through adopting above-mentioned technical scheme, because the phenomenon of dislocation appears easily in the installation of the sand box unit of top and below, the foundry goods that leads to pouring the completion takes place the wrong limit, influences the foundry goods finished product, through setting up stopper and first recess, after the sand box unit of top and below all installs fixed the completion, aim at the stopper with the first recess of cope flask and place for the sand box unit of top and below remains the state that corresponds throughout, guarantees gradual smooth completion.

The utility model discloses further set up to: and a clamping block for limiting the left and right movement of the reticular plate is fixed on the side wall of the insertion plate.

Through adopting above-mentioned technical scheme, the fixture block is fixed in the lateral wall of plugboard to the butt in the lateral wall of reticular lamina makes the reticular lamina can not remove in left and right directions, and simultaneously, the fixture block has increased the area of contact between curb plate and the plugboard, makes the connection between plugboard and the reticular lamina inseparabler.

The utility model discloses further set up to: the sand box locking mechanism comprises a sand box unit, a locking assembly and a locking mechanism, wherein the sand box unit is arranged on the side plate of the sand box unit, the locking assembly is used for locking the sand box unit above and below, the locking assembly comprises a fixing block fixed on the side plate of the sand box unit above, a rack sliding along the length direction of the fixing block, a gear meshed with the rack and coaxially fixed with a rotating shaft, an insert block fixed at one end of the rack close to a clamping piece and with a U-shaped longitudinal section, and second grooves respectively formed in the side wall of the clamping.

By adopting the technical scheme, after the sand box units above and below are installed, the rotating shaft and the gear are rotated, so that the gear drives the rack to move along the length direction of the longitudinal plate, the insert block is driven to be inserted into the second groove, the upper and lower second fixture blocks are mutually abutted by the U-shaped insert block, dislocation or movement of the upper and lower sand boxes can be avoided in the operation process, and the integrity of a cast workpiece is ensured.

The utility model discloses further set up to: the two ends of the insertion block close to the clamping piece are provided with pointed ends; the second groove is set to be in a shape matched with the tip.

Through adopting above-mentioned technical scheme, set up the both ends of inserted block into most advanced, when the inserted block moves to the second recess under the rack drive, can conveniently insert in the second recess by the inserted block, reach the purpose of convenient butt joint.

The utility model discloses further set up to: the fixed block is provided with a chute which is T-shaped in longitudinal section and is connected with the rack in a sliding manner along the length direction of the fixed block.

Through adopting above-mentioned technical scheme, set up the spout into "T" type for the rack can be more stable at the slip in-process, and can not rock from top to bottom, makes the inserted block can' T aim at the second recess.

The utility model discloses further set up to: two groups of racks, the inserting blocks and the second grooves are arranged; the two racks are meshed with the gear simultaneously and the racks drive the plug blocks to be inserted into the second grooves in opposite directions.

Through adopting above-mentioned technical scheme, the gear drives two sets of racks simultaneously and removes to opposite direction for the inserted block can peg graft in relative second recess simultaneously, is favorable to further stabilizing the relation of connection between the sand box unit of top and below.

To sum up, the utility model discloses following beneficial effect has:

firstly, the insertion plate is inserted into the side wall of the reticular plate through the insertion plate, so that the side plate and the reticular plate are clamped with each other, the reticular plate is prevented from moving up and down, and meanwhile, the contact area between the side plate and the reticular plate is enhanced, and the side plate and the reticular piece are connected more tightly;

secondly, the stability of connection between the side plates is enhanced by arranging the clamping pieces;

thirdly, the sand box units above and below can not be staggered during installation by arranging the limiting blocks, so that the integrity of castings is ensured;

fourthly, through setting up locking Assembly for can interconnect's inseparabler between the sand box unit of top and below.

Drawings

FIG. 1 is a schematic diagram of a prior art structure;

FIG. 2 is a schematic structural diagram according to a first embodiment;

FIG. 3 is a schematic partial structure diagram according to the first embodiment;

FIG. 4 is a schematic structural diagram of the second embodiment;

FIG. 5 is a partially enlarged view of the second embodiment;

FIG. 6 is a schematic structural diagram of a limiting block;

fig. 7 is a schematic structural view of the locking assembly.

In the figure: 1. a flask unit; 11. a mesh plate; 12. a side plate; 13. a plugboard; 2. a clamping piece; 21. a card slot; 3. A clamping block; 4. a limiting block; 5. a first groove; 6. a locking assembly; 61. a fixed block; 62. a rack; 63. a gear; 64. A rotating shaft; 65. a rotating wheel; 66. inserting a block; 67. a second groove; 68. a chute.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

The first embodiment is as follows: a sand box, as shown in fig. 2 and 3, comprises two identical sand box units 1 at the upper part and the lower part, wherein the sand box unit 1 comprises a reticular plate 11, four side plates 12, a clamping piece 2 and an inserting plate 13; through setting up plugboard 13, peg graft plugboard 13 in 11 lateral walls of reticular lamina for mutual joint prevents that reticular lamina 11 from reciprocating between curb plate 12 and the reticular lamina 11, strengthens the area of contact between curb plate 12 and the reticular lamina 11 simultaneously, makes curb plate 12 and netted piece be connected inseparabler. The plugboard 13 is vertically fixed on the side wall of the side plate 12 close to the reticular plate 11, the plugboard 13 is perpendicular to the reticular plate 11, and the same plugboard 13 is arranged at the contact position of the side plate 12 and the reticular plate 11.

The working process is as follows: the side plates 12 are inserted into the side walls of the mesh plate 11 through the insertion plates 13 and welded, and then the joints of the adjacent side plates 12 are welded to each other.

Example two: a sand box, as shown in figures 4 and 5, is different from the first embodiment in that: four fixture blocks 3 are fixed on each plug board 13, and the fixture blocks 3 are abutted against the side wall of the reticular board 11 to prevent the reticular board 11 from moving left and right.

The clamping pieces 2 are provided with four groups, the cross sections of the clamping pieces 2 are I-shaped, clamping grooves 21 are formed in the clamping pieces 2 along the length direction of the clamping pieces, and the clamping grooves 21 are used for clamping the adjacent side plates 12.

As shown in fig. 6, a limiting block 4 is fixed at the top end of the clamping piece 2 of the sand box unit 1 below, and the limiting block 4 is in a quadrangular pyramid shape; the first groove 5 of joint stopper 4 is seted up to the 2 bottom of joint spare of sand box unit 1 of top.

As shown in fig. 7, two sets of locking assemblies 6 for locking the flask units 1 above and below are respectively mounted on the outer side walls of the opposite side plates 12; the locking assembly 6 comprises a fixed block 61, a rack 62, a gear 63, a rotating shaft 64, a rotating wheel 65, an inserting block 66 and a second groove 67; one part of the fixing block 61 is fixed on the outer side wall of the cope side plate 12, and the other part abuts against the drag side plate 12; the fixed block 61 is provided with two sliding chutes 68 with T-shaped longitudinal sections along the length direction, and the sliding chutes 68 are communicated with two ends of the fixed block 61; the rack 62 is slidably connected in the chute 68, and the saw teeth of the rack 62 are oppositely arranged and are simultaneously meshed with the gear 63; the gear 63 is coaxially fixed with the rotating shaft 64, and the other end of the rotating shaft 64 is coaxially fixed with the rotating wheel 65; the longitudinal section of the insertion block 66 is U-shaped and is fixed at one end of the rack 62 close to the clamping piece 2, and the two ends of the insertion block 66 close to the clamping piece 2 are provided with tips; the second grooves 67 are opened in the side walls of the catcher 2 of the flask unit 1 above and below, respectively, and the shape of the second grooves 67 is the same as the shape of the insert blocks 66 near both ends of the catcher 2.

The working process is as follows: inserting the inserting plate 13 into the side wall of the reticular plate 11, so that the side plates 12 and the reticular plate 11 are mutually clamped, the reticular plate 11 is prevented from moving up and down, the clamping grooves 21 correspond to the side plates 12, and then the clamping pieces 2 slide along the vertical direction, so that the adjacent side plates 12 are clamped in the clamping grooves 21, and the purpose of fixing the side plates 12 is achieved; then the upper flask unit 1 is mounted on the lower flask unit 1, and the turning wheel 65 is driven to drive the rotating shaft 64, the gear 63 and the rack 62 to move, so that the rack 62 drives the insert block 66 to move towards the corresponding second groove 67, so that the insert block 66 is inserted into the second groove 67, and the cope and the drag flasks are tightly connected.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A flask comprising two identical flask units (1) located above and below, respectively, said flask units (1) comprising a web plate (11), characterized in that: the novel connecting plate is characterized by further comprising four side plates (12) detachably connected with the reticular plate (11) and a clamping piece (2) for clamping the adjacent side plates (12), wherein the side plates (12) are provided with inserting plates (13) embedded in the side walls of the reticular plate (11) towards one side of the reticular plate (11).

2. A molding box according to claim 1, wherein: the sand box unit (1) further comprises a clamping piece (2) for clamping the adjacent side plates, and the clamping piece (2) is provided with a clamping groove (21) for clamping the side plates (12) along the length direction of the clamping piece (2).

3. A molding box according to claim 2, wherein: a limiting block (4) is fixed at the top end of the clamping piece (2) of the sand box unit (1) below; a first groove (5) for clamping the limiting block (4) is formed in the bottom end of the clamping piece (2) of the sand box unit (1) above.

4. A molding box according to claim 2, wherein: the side wall of the insertion plate (13) is fixed with a clamping block (3) for limiting the left and right movement of the reticular plate (11).

5. A molding box according to claim 2, wherein: the sand box locking mechanism is characterized by further comprising a locking assembly (6) for locking the sand box units (1) above and below, wherein the locking assembly (6) comprises a fixing block (61) fixed on a side plate (12) of the sand box unit (1) above, a rack (62) sliding along the length direction of the fixing block (61), a gear (63) which is meshed with the rack (62) and coaxially fixed with a rotating shaft (64), an insert block (66) which is fixed at one end, close to the clamping piece (2), of the rack (62) and has a U-shaped longitudinal section, and second grooves (67) which are respectively formed in the side wall of the clamping piece (2) and are inserted into the insert block (66).

6. A molding box according to claim 5, wherein: the two ends of the insertion block (66) close to the clamping piece (2) are provided with pointed ends; the second groove (67) is shaped to fit the tip.

7. A molding box according to claim 5, wherein: the fixed block (61) is provided with a chute (68) which is T-shaped in longitudinal section and is connected with the rack (62) in a sliding manner along the length direction of the fixed block.

8. A molding box according to claim 5, wherein: two groups of racks (62), two groups of inserting blocks (66) and two groups of second grooves are arranged; the two racks (62) are meshed with the gear (63) simultaneously, and the racks (62) drive the inserting block (66) to be inserted into the second groove (67) in the opposite direction.