阅读说明：本技术 一种覆膜砂造型机内部筛分用可自动加砂装置 (Inside screening of tectorial membrane sand molding machine is with adding sand device automatically ) 是由 田小珍 于 2021-05-28 设计创作，主要内容包括：本发明提供一种覆膜砂造型机内部筛分用可自动加砂装置,所述伸缩底杆的外端上表面固定安装有贴块,所述滑杆的左右两侧均活动安装有调节架,所述调节架的顶端活动连接有转动杆,所述转动杆的外侧表面设置有转盘,所述转盘和转动杆的相对端设置有相对应的啮合盘,所述啮合盘的外表面贴合有摆动杆。在积累到一定重量后,原砂的重量带动托盘底部的伸缩底杆向下移动,同时托盘贯穿挡板柱,筛分后的原砂透过挡板柱与托盘之间的通孔排出,伸缩底杆带动贴块表面的斜块来挤压摆动杆,从而带动摆动杆顶端的啮合盘相互卡合,使转动杆转动的同时带动转盘一同转动,来进行进砂,从而实现了原砂在进入造型机后自动加砂的目的,同时还对砂料进行筛分。(The invention provides an automatic sand adding device for screening inside a precoated sand molding machine, wherein a sticking block is fixedly arranged on the upper surface of the outer end of a telescopic bottom rod, adjusting frames are movably arranged on the left side and the right side of a sliding rod, the top ends of the adjusting frames are movably connected with a rotating rod, a rotating disc is arranged on the outer side surface of the rotating rod, corresponding meshing discs are arranged at the opposite ends of the rotating disc and the rotating rod, and a swinging rod is attached to the outer surface of each meshing disc. After accumulating certain weight, the flexible sill bar downstream of the weight drive tray bottom of former sand, the tray runs through the baffle post simultaneously, the former sand after the screening sees through the through-hole discharge between baffle post and the tray, flexible sill bar drives the sloping block on piece surface and extrudees the swinging arms, thereby drive the mutual block of meshing dish on swinging arms top, make the dwang pivoted drive the carousel together and rotate simultaneously, advance the sand, thereby realized that former sand adds the purpose of sand after getting into the molding machine, still sieve the sand material simultaneously.)

1. The utility model provides an inside screening of tectorial membrane sand molding machine is with adding sand device automatically, includes sand storage tank (1), its characterized in that: the sand storage tank is characterized in that a sand inlet chamber (2) is fixedly installed inside the sand storage tank (1), a sand inlet pipeline (3) is fixedly connected to the bottom of the adjacent sand inlet chamber (2), the sand inlet pipeline (3) penetrates through the upper surface of the screening chamber (4), sliding rods (5) are slidably installed on the left side and the right side of the sand inlet pipeline (3), a screen plate (6) is fixedly installed at the bottom end of each sliding rod (5), a corresponding tray (7) is arranged below each screen plate (6), baffle columns (8) are inserted into the bottom of each tray (7), a telescopic bottom rod (9) is fixedly installed on the lower surface of each tray (7), a patch (10) is fixedly installed on the upper surface of the outer end of each telescopic bottom rod (9), adjusting frames (11) are movably installed on the left side and the right side of each sliding rod (5), and rotating rods (12) are movably connected to the top ends of the adjusting frames (11), the outer side surface of the rotating rod (12) is provided with a rotating disk (13), the opposite ends of the rotating disk (13) and the rotating rod (12) are provided with corresponding meshing disks (14), the outer surface of the meshing disc (14) is attached with a swing rod (15), the inner side of the bottom end of the swing rod (15) is attached to the outer surface of the attachment block (10), a movable frame (16) is slidably arranged on the outer surface of the rotating disc (13), a material pushing rod (17) is attached to the inner side surface of the movable frame (16), the material pushing rod (17) penetrates through the sand inlet pipeline (3), an elastic frame (18) is arranged above the top end of the movable frame (16), the bottom end of the elastic frame (18) is attached with a fan blade rod (19), the fan blade rod (19) penetrates through the sand inlet chamber (2), and the outer surface of the vane rod (19) is engaged with a toothed plate (20), and the top end of the toothed plate (20) is slidably mounted on the outer surface of the inclined rod (21).

2. The automatic sand adding device for screening the interior of the precoated sand molding machine according to claim 1, characterized in that: the top end of the inclined rod (21) is fixedly installed on the inner upper wall of the sand storage tank (1), the outer surface of the fan blade rod (19) is provided with a fluted disc corresponding to the toothed plate (20), and the elastic frame (18) is obliquely arranged on the inner upper wall of the sand storage tank (1).

3. The automatic sand adding device for screening the interior of the precoated sand molding machine according to claim 1, characterized in that: the connecting part of the inner part of the movable frame (16) and the outer surface of the rotary disc (13) is respectively provided with a sliding hole and a convex column which correspond to each other, and the outer surface of the rotary disc (13) is fixedly connected with a spring at the outer side of the meshing disc (14).

4. The automatic sand adding device for screening the interior of the precoated sand molding machine according to claim 1, characterized in that: the joint of the rotary table (13) and the meshing disc (14) is provided with a limiting rod and a sliding hole, the inner side surface of the movable frame (16) is provided with an inclined block corresponding to the material pushing rod (17), and a spring is fixedly connected between the movable frame (16) and the sand inlet pipeline (3).

5. The automatic sand adding device for screening the interior of the precoated sand molding machine according to claim 1, characterized in that: fixed connection between dwang (12) and the drive shaft, parallel arrangement about sieve (6) and tray (7), the surface at baffle post (8) is run through to the bottom of sieve (6).

6. The automatic sand adding device for screening the interior of the precoated sand molding machine according to claim 1, characterized in that: the inner side of the sticking block (10) is provided with an inclined block corresponding to the swing rod (15), the sand inlet pipeline (3) and the screening chamber (4) are of an intercommunicating structure, and the pushing rod (17) is internally provided with a cambered surface corresponding to the sand inlet pipeline (3).

Technical Field

The invention belongs to the technical field of precoated sand molding machines, and particularly relates to an automatic sand adding device for screening inside a precoated sand molding machine.

Background

The precoated sand is molding sand or core sand coated with a layer of binder before the surface of sand is molded, the sand mold is obtained by curing and molding the binder, and a precoated sand molding machine is a machine for processing precoated sand, and the precoated sand is continuously consumed in the production process, so that a specific automatic sand adding device is needed to supplement the raw sand in the molding machine in time.

When adding sand, can't last adding sand automatically, can't sieve the sand material when the amount of labour is big, the difference of sand material volume causes the inside jam of screening room easily, influences follow-up operation process to can't add sand according to inside sand material volume, so, in view of this, improve the research to current structure and disappearance, provide inside screening of tectorial membrane sand molding machine with automatic sand adding device, in order to reach the purpose that more practical value nature had more.

Disclosure of Invention

In order to solve the technical problems, the invention provides an automatic sand adding device for screening the interior of a precoated sand molding machine, which is achieved by the following specific technical means:

an automatic sand adding device for screening inside a precoated sand molding machine comprises a sand storage tank, wherein a sand inlet chamber is fixedly mounted inside the sand storage tank, a sand inlet pipeline is fixedly connected to the bottom of the sand inlet chamber, the sand inlet pipeline penetrates through the upper surface of the screening chamber, slide rods are slidably mounted on the left side and the right side of the sand inlet pipeline, a sieve plate is fixedly mounted at the bottom end of each slide rod, a corresponding tray is arranged below the sieve plate, a baffle column is inserted into the bottom of the tray, a telescopic bottom rod is fixedly mounted on the lower surface of the tray, a patch is fixedly mounted on the upper surface of the outer end of the telescopic bottom rod, adjusting frames are movably mounted on the left side and the right side of each slide rod, rotating rods are movably connected to the top ends of the adjusting frames, rotating disks are arranged on the outer side surfaces of the rotating rods, and corresponding meshing disks are arranged at the opposite ends of the rotating disks and the rotating rods, the surface laminating of meshing dish has the swinging arms, the inboard laminating in the surface of piece of subsides in the bottom of swinging arms, the surface slidable mounting of carousel has the adjustable shelf, the inboard surface laminating of adjustable shelf has the ejector pad pole, the ejector pad pole runs through in the inside of advancing the sand pipe way, the top of adjustable shelf is provided with the elastic frame, the laminating in the bottom of elastic frame has the flabellum pole, the flabellum pole runs through in the inside of advancing the sand room, and the surface meshing of flabellum pole has the pinion rack, the top slidable mounting of pinion rack is at the surface of sloping pole.

Furthermore, the top end of the inclined rod is fixedly installed on the inner upper wall of the sand storage tank, a fluted disc corresponding to the toothed plate is arranged on the outer surface of the fan blade rod, and the elastic frame is obliquely arranged on the inner upper wall of the sand storage tank.

Furthermore, the joint of the inner part of the movable frame and the outer surface of the rotary disc is respectively provided with a corresponding sliding hole and a corresponding convex column, and the outer surface of the rotary disc is fixedly connected with a spring at the outer side of the meshing disc.

Further, the junction of carousel and meshing dish is provided with gag lever post and slide opening, the inboard surface of adjustable shelf is provided with the sloping block corresponding with the ejector pin, fixedly connected with spring between adjustable shelf and the sand inlet pipe, when the carousel is rotatory, through the combination of projection and slide opening between carousel and the adjustable shelf, drive the adjustable shelf and reciprocate, when the adjustable shelf rebound, the adjustable shelf at first contacts with the ejector pin, releases the former sand in the sand inlet pipe to the screening room, and when removing to the top, after the adjustable shelf extrusion elastic frame, drives the flabellum pole and moves to the inboard simultaneously, when the flabellum pole removed, the surperficial fluted disc combines the back with the pinion rack, drives the flabellum pole and rotates.

Further, fixed connection between dwang and the drive shaft, sieve and tray are parallel arrangement from top to bottom, the bottom of sieve runs through the surface at the baffle post.

Further, the inboard of tiling is provided with the sloping block corresponding with the swinging arms, it is the intercommunication structure to advance sand pipe and screening room, the inside of ejector sleeve is provided with and advances the corresponding cambered surface of sand pipe, and after the former sand after the screening sees through the sieve and gets into the tray, after accumulating certain weight, the weight of former sand drives the flexible sill bar downstream of tray bottom, and flexible sill bar drives the sloping block on tiling surface and extrudees the swinging arms to drive the mutual block of meshing dish on swinging arms top, drive the carousel and rotate together when making the dwang pivoted.

Compared with the prior art, the invention has the following beneficial effects:

1. the automatic sand feeding device drives the adjusting frame to swing up and down on two sides of the sliding rod while the rotating rod rotates, so that the sieve plate at the bottom of the sliding rod is driven to vibrate up and down in the sieving chamber, the sieve plate is in a motion state, the interior of the sieve plate is prevented from being blocked, the sieved raw sand enters the tray through the sieve plate, after a certain weight is accumulated, the weight of the raw sand drives the telescopic bottom rod at the bottom of the tray to move downwards, the tray penetrates through the baffle post, the sieved raw sand is discharged through a through hole between the baffle post and the tray, the telescopic bottom rod drives the inclined block on the surface of the sticking block to extrude the swinging rod, so that meshing discs at the top end of the swinging rod are mutually clamped, the rotating rod rotates and drives the rotating discs to rotate together to feed the sand, the purpose of automatically feeding the sand after the raw sand enters the molding machine is achieved, and meanwhile, sand materials are sieved.

2. When the rotary table and the rotary rod rotate together, the movable frame is driven to move up and down through the combination of the convex columns and the sliding holes between the rotary table and the movable frame, when the movable frame moves upwards, the movable frame is firstly contacted with the material pushing rod to push raw sand in the sand inlet pipeline out to the screening chamber, when the movable frame moves to the top end, the movable frame extrudes the elastic frame to drive the fan blade rods to simultaneously move inwards after the elastic frame is extruded, and when the fan blade rods move, the surface fluted disc is combined with the toothed plate to drive the fan blade rods to rotate, so that the fan blade rods mix sand in the sand inlet chamber and push the sand into the sand inlet pipeline, and the problem of blockage caused by the interior of the pipeline is effectively prevented.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the sand storage tank of the present invention;

FIG. 3 is a schematic view of the internal structure of the classifying chamber of the present invention;

FIG. 4 is a schematic view of the structure of the joint between the blade bar and the sand inlet chamber according to the present invention;

fig. 5 is a schematic view showing the structure of the joint of the engagement disc and the rocking lever of the present invention.

In the figure: 1. a sand storage tank; 2. a sand inlet chamber; 3. a sand inlet pipe; 4. a screening chamber; 5. a slide bar; 6. a sieve plate; 7. a tray; 8. a baffle post; 9. a telescopic bottom rod; 10. sticking blocks; 11. an adjusting bracket; 12. rotating the rod; 13. a turntable; 14. an engaging disk; 15. a swing lever; 16. a movable frame; 17. a material pushing rod; 18. an elastic frame; 19. a fan blade rod; 20. a toothed plate; 21. a tilting lever.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

the invention provides an automatic sand adding device for screening inside a precoated sand molding machine, which is shown in the attached drawings 1-5: comprises a sand storage tank 1, a sand inlet chamber 2 is fixedly arranged in the sand storage tank 1, the bottom of the adjacent sand inlet chamber 2 is fixedly connected with a sand inlet pipeline 3, the sand inlet pipeline 3 penetrates through the upper surface of a screening chamber 4, the sand inlet pipeline 3 and the screening chamber 4 are of an intercommunicating structure, the left side and the right side of the sand inlet pipeline 3 are respectively provided with a sliding rod 5 in a sliding way, the bottom end of the sliding rod 5 is fixedly provided with a screen plate 6, a corresponding tray 7 is arranged below the screen plate 6, the bottom of the tray 7 is inserted with a baffle column 8, the screen plate 6 and the tray 7 are arranged in parallel up and down, the bottom of the screen plate 6 penetrates through the outer surface of the baffle column 8, the lower surface of the tray 7 is fixedly provided with a telescopic bottom rod 9, the upper surface of the outer end of the telescopic bottom rod 9 is fixedly provided with a sticking block 10, the left side and the right side of the sliding rod 5 are respectively and movably provided with an adjusting frame 11, the top end of the adjusting frame 11 is movably connected with a rotating rod 12, and the rotating rod 12 is fixedly connected with a driving shaft, the outer side surface of the rotating rod 12 is provided with a rotating disc 13, the opposite ends of the rotating disc 13 and the rotating rod 12 are provided with corresponding meshing discs 14, the outer surface of the rotating disc 13 is fixedly connected with a spring at the outer side of the meshing discs 14, the joint of the rotating disc 13 and the meshing discs 14 is provided with a limiting rod and a sliding hole, the outer surface of the meshing discs 14 is attached with a swinging rod 15, the inner side of the bottom end of the swinging rod 15 is attached to the outer surface of the sticking block 10, the inner side of the sticking block 10 is provided with an inclined block corresponding to the swinging rod 15, after the screened raw sand enters the tray 7 through the sieve plate 6 and accumulates to a certain weight, the weight of the raw sand drives the telescopic bottom rod 9 at the bottom of the tray 7 to move downwards, the telescopic bottom rod 9 drives the inclined block on the surface of the sticking block 10 to extrude the swinging rod 15, thereby, the engaging discs 14 at the top end of the swing lever 15 are engaged with each other, and the rotating disc 13 is rotated together with the rotation of the rotating lever 12.

A movable frame 16 is slidably mounted on the outer surface of the rotary disc 13, corresponding sliding holes and protruding columns are respectively arranged at the joints of the inner part of the movable frame 16 and the outer surface of the rotary disc 13, a material pushing rod 17 is attached to the inner side surface of the movable frame 16, the material pushing rod 17 penetrates through the sand inlet pipeline 3, an inclined block corresponding to the material pushing rod 17 is arranged on the inner side surface of the movable frame 16, an arc surface corresponding to the sand inlet pipeline 3 is arranged inside the material pushing rod 17, a spring is fixedly connected between the movable frame 16 and the sand inlet pipeline 3, an elastic frame 18 is arranged above the top end of the movable frame 16, the elastic frame 18 is obliquely arranged by taking the inner upper wall of the sand storage tank 1 as a reference, a fan blade rod 19 is attached to the bottom end of the elastic frame 18, the fan blade rod 19 penetrates through the inner part of the sand inlet chamber 2, a toothed plate 20 is engaged with the outer surface of the fan blade rod 19, the top end of the toothed plate 20 is slidably mounted on the outer surface of the inclined rod 21, and the top end of the inclined rod 21 is fixedly mounted on the inner upper wall of the sand storage tank 1, the surface of fan leaf pole 19 is provided with the corresponding fluted disc of pinion rack 20, when carousel 13 is rotatory, through the combination of projection and slide opening between carousel 13 and the adjustable shelf 16, drive adjustable shelf 16 and reciprocate, when adjustable shelf 16 upwards moved, adjustable shelf 16 at first contacts with ejector beam 17, release the raw sand in the pipeline 3 that will advance to screening room 4, and when removing to the top, after the adjustable shelf 16 extrusion elastic frame 18, drive flabellum pole 19 simultaneously and inwards move, when fan leaf pole 19 removed, the surperficial fluted disc combines with pinion rack 20 after, drive flabellum pole 19 rotates.

The specific use mode and function of the embodiment are as follows:

in the invention, after raw sand is poured into a sand inlet chamber 2, the raw sand enters a screening chamber 4 through a sand inlet pipeline 3, a rotating rod 12 is driven to rotate through a driving shaft, an adjusting frame 11 is driven to swing up and down on two sides of a sliding rod 5 while the rotating rod 12 rotates, so that a screen plate 6 at the bottom of the sliding rod 5 is driven to vibrate up and down in the screening chamber 4, the screen plate 6 is in a motion state, the blockage inside is avoided, the screened raw sand enters a tray 7 through the screen plate 6, after a certain weight is accumulated, the weight of the raw sand drives a telescopic bottom rod 9 at the bottom of the tray 7 to move downwards, the tray 7 penetrates through a baffle column 8, the screened raw sand is discharged through a through hole between the baffle column 8 and the tray 7, the telescopic bottom rod 9 drives an inclined block on the surface of a sticking block 10 to extrude a swinging rod 15, so as to drive meshing discs 14 at the top ends of the swinging rods 15 to be mutually clamped, and drive a rotating disc 13 to rotate together while the rotating rod 12, the sand feeding is carried out, so that the purpose of automatically feeding the sand after the raw sand enters the molding machine is achieved, meanwhile, the sand material is screened, when the rotary table 13 and the rotary rod 12 rotate together, the movable frame 16 is driven to move up and down through the combination of the convex columns and the sliding holes between the rotary table 13 and the movable frame 16, when the movable frame 16 moves upwards, the movable frame 16 firstly contacts with the material pushing rod 17 to push the raw sand in the sand feeding pipeline 3 out to the screening chamber 4, and when the raw sand moves to the top end, the movable frame 16 pushes the elastic frame 18 to drive the fan blade rods 19 to simultaneously move inwards, when the fan blade rods 19 move, the surface fluted disc is combined with the toothed plate 20 to drive the fan blade rods 19 to rotate, the fan blade rods 19 mix the sand material in the sand feeding chamber 2 and push the sand material into the sand feeding pipeline 3, and the problem of blocking caused by the interior of the pipeline is effectively prevented.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.