CN112276019A

CN112276019A - Automatic sand casting device

Info

Publication number: CN112276019A
Application number: CN202011244814.1A
Authority: CN
Inventors: 郑孙
Original assignee: Anhui Hanshan Lintou Zhengsun Casting Factory
Current assignee: Anhui Hanshan Lintou Zhengsun Casting Factory
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-01-29

Abstract

The invention discloses an automatic sand casting device, which belongs to the technical field of sand casting and comprises a fixed box body, a balanced placement component, a tamping component and a cleaning component, wherein an extension edge is fixed at the upper end of the fixed box body, the cleaning component is fixed at the upper end of the extension edge, vertical plates are fixed at the inner sides of the two ends of the extension edge, cross bars are fixed at the upper ends of the two vertical plates, the tamping component is fixed on the cross bars, the balanced placement component is arranged below the tamping component, a workbench is fixed at the bottom of the balanced placement component, and the workbench is fixed at the upper end of the fixed box body; this casting device is through the screw in of tensioning screw, the height at adjustable regulating block both ends, and then can adjust putting the levelness of whole sand mould, increases the distribution degree of consistency of sand, improves the quality of mould preparation.

Description

Automatic sand casting device

Technical Field

The invention belongs to the technical field of sand casting, and particularly relates to an automatic sand casting device.

Background

A fully automatic molding machine is a casting apparatus for manufacturing sand molds. Its main functions are: filling sand, namely filling loose molding sand into a sand box; compacting the molding sand, namely compacting the loose molding sand in the sand box by different methods such as jolt ramming, compaction, jolt ramming, injection pressing and the like, so that the sand mould has necessary strength in the processes of carrying, pouring and the like; and (4) stripping, namely taking out the mold from the compacted sand mold by using different mechanisms. The most common mold is made of molding sand, the molding sand has good fluidity, is easy to mold and low in price, and steel, iron and most nonferrous alloy castings can be obtained by a sand casting method, so that the casting method is wide in application.

However, the existing sand casting device is not provided with a horizontal detection device, the device is easily placed in a skew mode in the using process, the sand is unevenly distributed in the sand shaking process, in addition, the existing sand casting device cannot judge the compression ratio of the raw sand, the sand mould is not firmly pressed enough or is too firmly pressed, and the disadvantage of casting is caused.

Therefore, how to design an automatic sand casting device becomes a problem to be solved currently.

Disclosure of Invention

The invention aims to provide an automatic sand casting device which is used for improving the levelness of sand placement.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automatic sand casting device, this automatic sand casting device is including fixed box, balanced subassembly, the subassembly of ramming, clearance subassembly of putting, fixed box upper end is fixed with the extension limit, and the extension limit is fixed the clearance subassembly, extension limit both ends inboard is fixed with the riser, and two riser upper ends are fixed with the horizontal pole, fix on the horizontal pole the subassembly of ramming, the subassembly is put for balancing below the subassembly of ramming, and balanced subassembly bottom of putting is fixed with the workstation, and the workstation is fixed in fixed box upper end.

Preferably, the balanced subassembly of putting is including seting up recess on the workstation, all begin the square groove about recess middle part symmetry on the wall of recess both sides, square inslot portion is fixed with the dead lever, and the dead lever outside rotates and is connected with the regulating block, and the regulating block upper end is fixed with the tensioning piece, and the regulating block is kept away from square groove end and is fixed with the board of putting, puts the board bottom and is fixed with the damping piece, is fixed with the spirit level between two regulating blocks on the recess homonymy lateral wall.

Adopt above-mentioned scheme: the sand molds are placed on the placing plate, and meanwhile, the placing blocks inside the two square grooves can slide along the fixing rods, so that the sand molds with different sizes can be placed.

Preferably, the tensioning piece includes threaded connection and is in the tensioning screw of workstation upper end, tensioning screw thread end is contradicted with the regulating block upper end, and the regulating block lower extreme is fixed with adjusting spring, and adjusting spring keeps away from the regulating block end and fixes in the square groove bottom.

Adopt above-mentioned scheme: through the screw in of tensioning screw, the height at adjustable regulating block both ends, and then can adjust putting the levelness of whole sand mould, increase the distribution degree of consistency of sand, improve the quality of mould preparation.

Preferably, the damping piece comprises a damping spring fixedly fixed at the lower end of the placing plate, a cushion block is fixed at the end, far away from the placing plate, of the damping spring, and the cushion block is placed at the bottom of the groove.

Adopt above-mentioned scheme: when the tamping is carried out, the damping spring is placed at the bottom of the sand mold, so that the vibration of the whole sand mold is reduced, the vibration at the bottom of the sand mold is further reduced, and the sand mold is prevented from being damaged in the tamping process.

Preferably, the tamping assembly comprises a cylinder fixed at the upper end of the cross rod, a connecting rod is fixed at the bottom of the cylinder and penetrates through the cross rod, a connecting plate is fixed at the penetrating end, and a tamping plate is connected to the bottom of the connecting plate through screws.

Adopt above-mentioned scheme: the connection plate is connected with the tamping plate through screws, and the tamping plates with different sizes can be conveniently replaced for sand moulds with different sizes.

Preferably, the clearance subassembly is including rotating the connection and being in prolong the board of placing of limit upper end, place the board upper end and slide and be connected with the joint seat, the inside arc joint mouth that is equipped with of joint seat, the inside joint of arc joint mouth has the clearance tuber pipe, clearance tuber pipe one end is connected with the intake pipe, and one end is connected with the air jet, and the joint seat is equipped with a plurality ofly along placing board length direction.

Adopt above-mentioned scheme: carry out sand grain clearance on to the workstation through the air jet, avoid because the levelness that sand grain influence was put reduces, provide good environment for subsequent sand mould tamping, improve the tamping quality.

Preferably, the cleaning assembly further comprises meshes arranged at the upper end of the fixed box body, the meshes are communicated to the inside of the fixed box body, one end of the fixed box body is hinged to a baffle, and a pull rod is fixed on the baffle.

Adopt above-mentioned scheme: the excessive sand on the fixed box body is collected through the meshes, the cost is saved, and the fixed box body can be opened through the baffle plate, so that the sand collection is facilitated.

The invention has the beneficial effects that:

1. the automatic sand casting device is characterized in that the balance placing assembly comprises a groove formed in the workbench, square grooves symmetrical with the middle of the groove are formed in the two side walls of the groove, a fixing rod is fixed inside each square groove, the outer portion of each fixing rod is rotatably connected with an adjusting block, a tensioning piece is fixed at the upper end of each adjusting block, a placing plate is fixed at the position, far away from the square groove end, of each adjusting block, a damping piece is fixed at the bottom of each placing plate, and a level meter is fixed between the two adjusting blocks on the same side wall of the groove; put the sand mould on putting the board, the piece of putting of two square inslots inside can follow the dead lever and slide simultaneously, can put not unidimensional sand moulds, screw in through the tensioning screw, the height at adjustable regulating block both ends, and then can adjust the levelness of putting of whole sand mould, increase the distribution degree of consistency of sand, improve the quality of mould preparation, and in the time of realizing the rammer, place damping spring bottom the sand mould, reduce the whole vibration that receives of sand mould, and then reduce the vibration of sand mould bottom, prevent that the sand mould from damaging at the tamping in-process.

2. The automatic sand casting device is characterized in that the tamping assembly comprises an air cylinder fixed at the upper end of the cross rod, a connecting rod is fixed at the bottom of the air cylinder and penetrates through the cross rod, a connecting plate is fixed at the penetrating end, and a tamping plate is connected to the bottom of the connecting plate through screws; the connection plate is connected with the tamping plate through screws, and the tamping plates with different sizes can be conveniently replaced for sand moulds with different sizes.

3. The automatic sand casting device is characterized in that the cleaning assembly is arranged and comprises a placing plate which is rotatably connected to the upper end of the extending edge, the upper end of the placing plate is connected with a clamping seat in a sliding mode, an arc-shaped clamping opening is formed in the clamping seat, a cleaning air pipe is clamped in the arc-shaped clamping opening, one end of the cleaning air pipe is connected with an air inlet pipe, the other end of the cleaning air pipe is connected with an air jet, and the clamping seat is provided with a plurality of air jet holes along the; carry out sand grain clearance on to the workstation through the air jet, avoid because the levelness that sand grain influence was put reduces, provide good environment for subsequent sand mould tamping, improve the tamping quality.

Drawings

Fig. 1 is a schematic perspective view of an automatic sand casting apparatus according to the present invention;

FIG. 2 is a schematic front view of the automatic sand casting apparatus of FIG. 1 in accordance with the present invention;

FIG. 3 is an enlarged schematic view of the automatic sand casting apparatus of the present invention at the point I in FIG. 1;

FIG. 4 is a schematic structural diagram of a balance placement assembly of an automatic sand casting device according to the present invention;

fig. 5 is an enlarged schematic view of the automatic sand casting device according to the present invention at II in fig. 4.

In the figure: 1. fixing the box body; 2. a balance placement component; 3. a tamping assembly; 4. cleaning the assembly; 5. extending the edges; 6. a vertical plate; 7. a cross bar; 8. a work table; 9. a groove; 10. a square groove; 11. fixing the rod; 12. an adjusting block; 13. placing the plate; 14. a level gauge; 15. tensioning the screw; 16. adjusting the spring; 17. a damping spring; 18. cushion blocks; 19. a cylinder; 20. a connecting rod; 21. a connecting plate; 22. compacting the plate; 23. placing the plate; 24. a clamping seat; 25. an arc card interface; 26. cleaning an air pipe; 27. an air inlet pipe; 28. an air jet; 29. mesh openings; 30. a baffle plate; 31. a pull rod.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 5 together, an automatic sand casting apparatus according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

This automatic sand casting device is including fixed box 1, balanced subassembly 2, the subassembly of ramming 3, the clearance subassembly 4 of putting, fixed box 1 upper end is fixed with extension limit 5, and extension limit 5 upper ends are fixed clearance subassembly 4, 5 both ends inboards on extension limit are fixed with riser 6, and two riser 6 upper ends are fixed with horizontal pole 7, fix on the horizontal pole 7 the subassembly 2 is put for the balance to ramming 3, ramming 3 below, balanced subassembly 2 bottom of putting is fixed with workstation 8, and workstation 8 is fixed in fixed box 1 upper end.

Specifically, balanced subassembly 2 of putting is including seting up recess 9 on the workstation 8, all begin on the wall of recess 9 both sides about the square groove 10 of recess 9 middle part symmetry, square groove 10 inside is fixed with dead lever 11, dead lever 11 outside rotates and is connected with regulating block 12, and regulating block 12 upper end is fixed with the tensioning piece, and regulating block 12 keeps away from square groove 10 end and is fixed with puts board 13, puts board 13 bottom and is fixed with the damping piece, is fixed with spirit level 14 between two regulating block 12 on the recess 9 homonymy wall.

Specifically, the tensioning piece includes threaded connection and is in tensioning screw 15 of 8 upper ends of workstation, 15 screwing ends of tensioning screw are contradicted with regulating block 12 upper end, and regulating block 12 lower extreme is fixed with adjusting spring 16, and adjusting spring 16 keeps away from that regulating block 12 is fixed in square groove 10 bottom.

Specifically, the damping piece includes the damping spring 17 of fixing in putting the board 13 lower extreme, and damping spring 17 is kept away from and puts board 13 end and is fixed with cushion 18, and cushion 18 places in recess 9 bottom.

Specifically, the tamping assembly 3 comprises a cylinder 19 fixed at the upper end of the cross rod 7, a connecting rod 20 is fixed at the bottom of the cylinder 19, the connecting rod 20 penetrates through the cross rod 7, a connecting plate 21 is fixed at the penetrating end, and a tamping plate 22 is connected to the bottom of the connecting plate 21 through screws.

Specifically, clearance subassembly 4 is including rotating to be connected the board 23 of placing of extension 5 upper ends in limit places board 23 upper end and slides and be connected with joint seat 24, and joint seat 24 is inside to be equipped with arc joint mouth 25, and the inside joint of arc joint mouth 25 has clearance air pipe 26, and clearance air pipe 26 one end is connected with intake pipe 27, and one end is connected with air jet 28, and joint seat 24 is equipped with a plurality ofly along placing board 23 length direction.

Specifically, clearance subassembly 4 is still including seting up the mesh 29 in fixed box 1 upper end, and inside the mesh 29 communicates to fixed box 1, and fixed box 1 one end is articulated to be connected with baffle 30, is fixed with pull rod 31 on the baffle 30.

The working principle of the invention is as follows: when the sand mold tamping machine is used, the sand mold is placed inside the groove 9 on the workbench 8, when the sand mold tamping machine is placed, the placing plate 23 is firstly rotated, the sand mold is convenient to place, the sand mold is placed behind the placing plate 13, the horizontality of the level gauge 14 is checked, the placing horizontality of the sand mold is judged, if the sand mold is not leveled, the height of the adjusting block 12 is adjusted through the rotating tensioning spring 15, the cylinder 19 is opened until the level gauge 14 is displayed to be horizontal, the driving connecting rod 20 moves downwards, the driving tamping plate 22 tamps sand grains inside the sand mold, in the tamping process, the damping spring 17 at the bottom of the sand mold performs cushioning, after the tamping is finished, the air inlet pipe 27 is opened, air is sprayed to the workbench through the air nozzle 28, sand grains inside the groove 9 are blown to the inside the fixed box body 1 along the mesh 29, and the sand grains inside the fixed box body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic sand casting device, its characterized in that, this automatic sand casting device includes fixed box (1), balanced subassembly (2), the subassembly of ramming (3), clearance subassembly (4) of putting, fixed box (1) upper end is fixed with extension limit (5), and extension limit (5) upper end is fixed clearance subassembly (4), extension limit (5) both ends inboard is fixed with riser (6), and two riser (6) upper ends are fixed with horizontal pole (7), and fixed on horizontal pole (7) the subassembly of ramming (3), ramming subassembly (3) below are for balanced subassembly (2) of putting, and balanced subassembly (2) bottom of putting is fixed with workstation (8), and workstation (8) are fixed in fixed box (1) upper end.

2. The automatic sand casting device according to claim 1, wherein the balance placement assembly (2) comprises a groove (9) formed in the workbench (8), square grooves (10) symmetrical with respect to the middle of the groove (9) are formed in the two side walls of the groove (9), fixing rods (11) are fixed inside the square grooves (10), adjusting blocks (12) are rotatably connected to the outside of the fixing rods (11), tensioning members are fixed at the upper ends of the adjusting blocks (12), a placement plate (13) is fixed to the adjusting blocks (12) far away from the ends of the square grooves (10), shock absorbing members are fixed to the bottom of the placement plate (13), and a level gauge (14) is fixed between the two adjusting blocks (12) on the same side wall of the groove (9).

3. The automatic sand casting device according to claim 2, wherein the tensioning member comprises a tensioning screw (15) which is in threaded connection with the upper end of the workbench (8), the screwing end of the tensioning screw (15) is abutted against the upper end of the adjusting block (12), an adjusting spring (16) is fixed at the lower end of the adjusting block (12), and the adjusting spring (16) is far away from the end of the adjusting block (12) and is fixed at the bottom of the square groove (10).

4. An automatic sand casting device according to claim 2, wherein the damping means comprises a damping spring (17) fixed to the lower end of the setting plate (13), a spacer (18) being fixed to the damping spring (17) at a position away from the setting plate (13), the spacer (18) being placed at the bottom of the recess (9).

5. An automatic sand casting device according to claim 1, characterized in that the tamping assembly (3) comprises a cylinder (19) fixed at the upper end of the cross bar (7), a connecting rod (20) is fixed at the bottom of the cylinder (19), the connecting rod (20) penetrates through the cross bar (7), a connecting plate (21) is fixed at the penetrating end, and a tamping plate (22) is screwed at the bottom of the connecting plate (21).

6. The automatic sand casting device according to claim 1, wherein the cleaning assembly (4) comprises a placing plate (23) rotatably connected to the upper end of the extending edge (5), a clamping seat (24) is connected to the upper end of the placing plate (23) in a sliding mode, an arc-shaped clamping interface (25) is arranged inside the clamping seat (24), a cleaning air pipe (26) is clamped inside the arc-shaped clamping interface (25), one end of the cleaning air pipe (26) is connected with an air inlet pipe (27), one end of the cleaning air pipe is connected with an air jet (28), and the clamping seat (24) is provided with a plurality of air jets along the length direction of the placing plate (23).

7. An automatic sand casting device according to claim 1, characterized in that the cleaning assembly (4) further comprises a mesh (29) arranged at the upper end of the fixed box body (1), the mesh (29) is communicated to the inside of the fixed box body (1), one end of the fixed box body (1) is hinged with a baffle plate (30), and a pull rod (31) is fixed on the baffle plate (30).