CN110842180A

CN110842180A - Simple sand removing device for circular castings

Info

Publication number: CN110842180A
Application number: CN201911234190.2A
Authority: CN
Inventors: 林宗华
Original assignee: Hanshan Shengrong Machinery Parts Factory
Current assignee: Hanshan Shengrong Machinery Parts Factory
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-02-28

Abstract

The invention discloses a simple sand removing device for a circular casting, which comprises a workbench, wherein a power rack is fixedly arranged on the upper end surface of the workbench, a rotating shaft penetrates through the power rack, a crank is welded at one end part of the rotating shaft, a connecting rod is hinged at the other end part of the crank, a driving rocker is hinged at the other end part of the connecting rod, a driven rocker is rotatably arranged on the side surface of the middle position of the driving rocker, and the other end part of the driven rocker is hinged on the power rack. According to the simple sand removing device for the round castings, the crank rocker structure is designed to enable the lifting rod to drive the wooden hammer to repeatedly lift and reciprocate, the first circular arc-shaped convex strip and the second circular arc-shaped convex strip are designed in the sand storage box in a matched mode, so that the workpiece seat and the workpiece can generate a left-right shaking effect in the processes of descending and ascending, the effect of vibration sand removal is achieved, the sand removing effect is remarkably improved, the simple sand removing device is suitable for different working conditions, and a better using prospect is brought.

Description

Simple sand removing device for circular castings

Technical Field

The invention relates to the field of casting processing, in particular to a simple sand removing device for a round casting.

Background

The sand mold casting requires placing a finished part mold or a wooden mold in sand, filling the mold with sand, opening the box and taking out the pattern, and then forming the mold from the sand. Adopting a sand mold for casting, and cleaning the sand mold in the casting after the casting process is finished; at present, most manufacturers rely on manual cleaning, namely, casting pieces are continuously knocked by manually utilizing a wooden hammer, the process is time-consuming and labor-consuming, local areas are difficult to avoid missing, the working time is prolonged, the efficiency is low, besides, mechanical vibrating bed equipment is introduced into part of manufacturers, the equipment is expensive, difficult to maintain and high in cost, and is not suitable for all manufacturers of different scales, and therefore, the simple sand removing device for the round casting pieces is provided.

Disclosure of Invention

The invention mainly aims to provide a simple sand removing device for a round casting, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

a simple sand removing device for a round casting comprises a workbench, wherein a power frame is fixedly arranged on the upper end surface of the workbench, a rotating shaft penetrates through the power frame, a crank is welded at one end of the rotating shaft, the other end of the crank is hinged with a connecting rod, the other end of the connecting rod is hinged with a driving rocker, the side surface of the middle position of the driving rocker is rotatably provided with a driven rocker, the other end of the driven rocker is hinged on the power frame, the other end of the driving rocker, which is far away from the connecting rod, is hinged with a lifting rod, one end of the power frame extends outwards to be provided with a limiting step and the lifting rod longitudinally passes through the limiting step, the lower end part of the lifting rod is welded with a connecting part, the lifting rod is movably connected with the wood hammer through the connecting part, and a clamping groove for moving the wood hammer is horizontally arranged in the connecting part;

the sand removing device comprises a workbench, a sand removing box, a workpiece seat, a plurality of sets of first arc-shaped convex strips, a plurality of sets of second arc-shaped convex strips, a plurality of sets of sand leaking holes, a clamping sleeve, a workpiece, a sand outlet, a sand sucking pipe, a fan and a sand storage box, wherein the upper end face of the workbench is riveted on one side of a power frame, the workpiece seat is movably arranged in the sand removing box, the workpiece seat is connected with the bottom of the sand removing box through two sets of symmetrical springs, the two side faces of the workpiece seat are symmetrically provided with two sets of first arc-shaped convex strips, the two side walls of the sand removing box are longitudinally distributed with the second arc-shaped convex strips, the workpiece seat is uniformly provided with the plurality of sets of sand leaking holes, the middle position of the upper end face of the workpiece seat is sleeved with the workpiece through the clamping sleeve, the.

Preferably, the four corners of the lower end of the workbench are welded with the support legs, and the sand storage box is located below the workbench.

Preferably, a bearing for rotating the rotating shaft is installed in the power frame, and the lifting rod can move up and down in the limiting step.

Preferably, the second arc-shaped convex strips on the two side walls in the sand removing box are asymmetrically distributed, and the workpiece is positioned under the wood hammer.

Preferably, a hand wheel is sleeved on one end part of the rotating shaft, which is far away from the crank.

Preferably, a coupler is sleeved on one end part, far away from the crank, of the rotating shaft, the coupler is rotationally connected with a speed reducer at the end part of the three-phase motor, and the three-phase motor is fixed by using a motor base.

The invention provides a simple sand removing device for a round casting through improvement, and compared with the prior art, the simple sand removing device has the following remarkable improvements and advantages:

(1) design crank rocker structure makes the lifter drive wooden hammer and do the reciprocating motion of relapse, and circular-arc sand grip and No. two circular-arc sand grips of design in the cooperation sand storage box make work piece seat and work piece descend and the in-process that rises to produce the effect of rocking about, reach the effect of vibration degritting, and the degritting effect is showing and is promoting.

(2) The fan is added, sand is absorbed by the sand absorption pipe and enters the sand storage box to be collected in a centralized manner by opening the fan in time, and the sand is prevented from remaining in the sand removal box to interfere with work.

(3) The three-phase motor is designed, and can be used for replacing a hand wheel, so that the movement stability of the lifting rod is ensured, and the lifting rod is more labor-saving.

(4) Whole device design is simple, and the cost is cheap, and convenient operation reduces manufacturing cost, improves work efficiency, is applicable to the producer of all production scales, and the effect of use is better for traditional mode.

Drawings

FIG. 1 is a schematic view showing the overall structure of a simple sand removing device for round castings according to a first embodiment of the present invention;

FIG. 2 is a detailed structure diagram of a sand removing box of the simple sand removing device for round castings according to the present invention;

FIG. 3 is a schematic view showing the overall structure of a simple sand removing device for round castings according to a second embodiment of the present invention.

In the figure: 1. a work table; 2. a power frame; 3. a rotating shaft; 4. a crank; 5. a connecting rod; 6. an active rocker; 7. a driven rocker; 8. a limiting step; 9. a lifting rod; 10. a connecting portion; 11. a wooden hammer; 12. a card slot; 13. removing the sand box; 14. a workpiece seat; 15. a spring; 16. a first arc-shaped convex strip; 17. a second arc-shaped convex strip; 18. a sand leakage hole; 19. a card sleeve; 20. a workpiece; 21. a sand outlet; 22. a sand suction pipe; 23. a fan; 24. a sand storage box; 25. a hand wheel; 26. a motor base; 27. a three-phase motor; 28. a coupling is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-2, a simple sand removing device for a round casting comprises a workbench 1, wherein a power frame 2 is fixedly arranged on the upper end surface of the workbench 1, a rotating shaft 3 penetrates through the power frame 2, a crank 4 is welded at one end of the rotating shaft 3, a connecting rod 5 is hinged at the other end of the crank 4, a driving rocker 6 is hinged at the other end of the connecting rod 5, a driven rocker 7 is rotatably arranged on the side surface of the middle position of the driving rocker 6, the other end of the driven rocker 7 is hinged on the power frame 2, a lifting rod 9 is hinged at the other end, far away from the connecting rod 5, of the driving rocker 6, a limiting step 8 extends outwards from one end of the power frame 2, the lifting rod 9 longitudinally penetrates through the limiting step 8, a connecting part 10 is welded at the lower end part of the lifting rod 9, the lifting rod 9 is movably connected with a wood hammer 11 through the connecting part 10;

a sand removing box 13 is riveted on one side of the upper end surface of the workbench 1, which is positioned on the power frame 2, a workpiece seat 14 is movably arranged in the sand removing box 13, the workpiece seat 14 is connected with the bottom of the sand removing box 13 by two groups of symmetrical springs 15, two groups of first arc-shaped convex strips 16 are symmetrically arranged on two side surfaces of the workpiece seat 14, a plurality of groups of second arc-shaped convex strips 17 are longitudinally distributed on two side walls of the sand removing box 13, a plurality of groups of sand leaking holes 18 are uniformly formed in the workpiece seat 14, a workpiece 20 is sleeved on the middle position of the upper end surface of the workpiece seat 14 by a clamping sleeve 19, a sand outlet 21 is formed in the middle position of the bottom of the sand removing box 13, a sand suction pipe 22 is arranged on the sand outlet 21, a fan 23 is arranged on the sand suction pipe 22, the fan 23 is fixedly arranged on the lower end surface of the workbench 1, and the other end of;

four corners of the lower end of the workbench 1 are welded with supporting legs, and the sand storage box 24 is positioned below the workbench 1; a bearing for rotating the rotating shaft 3 is installed in the power frame 2, and the lifting rod 9 can move up and down in the limiting step 8; the second arc-shaped convex strips 17 on the two side walls in the sand box 13 are asymmetrically distributed, and the workpiece 20 is positioned right below the wood hammer 11; a hand wheel 25 is sleeved on one end part of the rotating shaft 3 far away from the crank 4; in the process of descending the workpiece seat 14, because the contact friction force and the extrusion force exist between the wood hammer 11 and the workpiece 20, the wood hammer 11 can move left and right along with the workpiece seat 14, and therefore the clamping groove 12 needs to be designed for the wood hammer 11 to move.

When the simple sand removing device for the circular castings is used, a workpiece 20 is fixed on a workpiece seat 14 through a clamping sleeve 19, a hand wheel 25 is rotated to drive a rotating shaft 3 to rotate, a crank 4 makes circular motion, a connecting rod 5 moves up and down, the connecting rod 5 is matched with a driven rocker 7 to enable a driving rocker 6 to swing regularly, a lifting rod 9 can reciprocate up and down in a limiting step 8, when the lifting rod 9 descends, a wood hammer 11 knocks down on the workpiece 20 and continues to apply pressure to the workpiece seat 14, the workpiece seat 14 descends in a sand removing box 13, after the lifting rod 9 descends to a certain degree, a first circular arc convex strip 16 on one side is in contact with a second circular arc convex strip 17 and is extruded, the workpiece seat 14 moves to the other side, the first circular arc convex strip 16 on the other side is in contact with the second circular arc convex strip 17 and is extruded continuously, to original one side removal, so relapse, work piece seat 14 drives work piece 20 and rocks about in desanding case 13, reach the effect of vibration desanding, lifter 9 and wooden hammer 11 retrieve when the bottom, work piece seat 14 rises and rocks about under the effect of spring 15 reset elasticity, so wooden hammer 11 relapse many times, can thoroughly detach work piece 20 surface and inside sand grain, the sand grain of production leaks sand hole 18 from a plurality of groups and discharges, and in time through opening fan 23, utilize sand suction pipe 22 to absorb the sand grain and get into sand storage box 24 in concentrate the collection, prevent interference work.

Example two:

as shown in fig. 3, a coupling 28 is sleeved on one end of the rotating shaft 3 away from the crank 4, the coupling 28 is rotationally connected with a reducer at the end of the three-phase motor 27, and the three-phase motor 27 is fixed by using a motor base 26; the three-phase motor 27 is used as a motive power, can rotate forwards and backwards at a constant speed, is used for replacing the hand wheel 25, can ensure the motion stability of the lifting rod 9, is more labor-saving, has advantages compared with the hand wheel 25, and can be flexibly selected according to actual needs.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 a circular foundry goods plain type sand removing device, includes workstation (1), its characterized in that: the upper end face of workstation (1) is fixed to be provided with power frame (2), run through on power frame (2) and be provided with pivot (3), a tip welding of pivot (3) has crank (4), another tip of crank (4) articulates there is connecting rod (5), another tip of connecting rod (5) articulates there is initiative rocker (6), the middle part position side of initiative rocker (6) is rotated and is provided with driven rocker (7), another tip of driven rocker (7) articulates on power frame (2), another tip that connecting rod (5) were kept away from in initiative rocker (6) articulates there is lifter (9), the outside extension of one end of power frame (2) is provided with spacing step (8) and lifter (9) vertically pass spacing step (8), the lower tip welding of lifter (9) has connecting portion (10) and lifter (9) utilize connecting portion (10) and wooden hammer (11) ) The connecting part (10) is horizontally provided with a clamping groove (12) for the movement of the wood hammer (11);

the sand removing device is characterized in that a sand removing box (13) is riveted to one side, located on a power rack (2), of the upper end face of the workbench (1), a workpiece seat (14) is movably arranged in the sand removing box (13), the workpiece seat (14) is connected with the bottom of the sand removing box (13) through two groups of symmetrical springs (15), two groups of first arc-shaped convex strips (16) are symmetrically arranged on two side faces of the workpiece seat (14), a plurality of groups of second arc-shaped convex strips (17) are longitudinally distributed on two side walls of the sand removing box (13), a plurality of groups of sand leaking holes (18) are uniformly formed in the workpiece seat (14), a workpiece (20) is sleeved at the middle position of the upper end face of the workpiece seat (14) through a clamping sleeve (19), a sand outlet (21) is formed in the middle position of the bottom of the sand removing box (13), a sand sucking pipe (22) is installed on the sand outlet (21), a fan (23) is arranged on the sand sucking pipe (22), and the fan (23) is fixedly installed on the ) The other end of the sand suction pipe (22) is communicated with the sand storage box (24).

2. The simple sand removing device for the round castings according to claim 1, characterized in that: the four corners of the lower end of the workbench (1) are welded with the supporting legs, and the sand storage box (24) is positioned below the workbench (1).

3. The simple sand removing device for the round castings according to claim 2, characterized in that: the power machine frame (2) is internally provided with a bearing for rotating the rotating shaft (3), and the lifting rod (9) can move up and down in the limiting step (8).

4. The simple sand removing device for the round castings according to claim 3, characterized in that: the second arc-shaped convex strips (17) on the two side walls in the sand removing box (13) are asymmetrically distributed, and the workpiece (20) is positioned under the wood hammer (11).

5. The simple sand removing device for the round castings according to claim 4, wherein: and a hand wheel (25) is sleeved on one end part of the rotating shaft (3) far away from the crank (4).

6. The simple sand removing device for the round castings according to claim 4, wherein: the end part, far away from the crank (4), of the rotating shaft (3) is sleeved with a coupler (28), the coupler (28) is rotationally connected with a speed reducer at the end part of the three-phase motor (27), and the three-phase motor (27) is fixed through a motor base (26).