CN219052859U

CN219052859U - Sand unloading mechanism for bottom of lost foam casting sand box

Info

Publication number: CN219052859U
Application number: CN202223480177.5U
Authority: CN
Inventors: 贾良军; 李国辉; 李洪涛; 刘兰栓
Original assignee: Nanyang Sunrise Mechanical & Electronic Co ltd
Current assignee: Nanyang Sunrise Mechanical & Electronic Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-23
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of lost foam casting, in particular to a sand unloading mechanism for a lost foam casting sand box bottom, which comprises a base, wherein a double-shaft motor is fixedly connected to the bottom of the base, two output ends of the double-shaft motor are respectively and fixedly connected with a gear, one side of the base is connected with a sand box in a sliding manner, two sides of the sand box are meshed with the outer surfaces of the gears, four corners of the sand box are respectively and fixedly connected with an electric telescopic rod, and the output ends of the four electric telescopic rods are fixedly connected with a cleaning frame. The utility model has the advantages that: according to the utility model, the movable sand box is arranged, sand can drop from the bottom of the sand box by moving the sand box, meanwhile, the sand on the base can be scraped, and the sand remained on the inner wall of the sand box can be scraped by arranging the cleaning frame.

Description

Sand unloading mechanism for bottom of lost foam casting sand box

Technical Field

The utility model relates to the technical field of lost foam casting, in particular to a sand unloading mechanism for the bottom of a lost foam casting sand box.

Background

Chinese patent publication No. CN213195547U discloses a sand unloading mechanism for lost foam casting sand box bottom, through hydraulic means, can be very easy with the sand in the sand box unloading, and the sand of unloading can slowly slide to ground and can not be scattered, and the foundry goods slides out together with the sand, and the foundry goods can not be damaged because of falling subaerial, also can not produce a large amount of dust because of having the fall with ground, reduces the cost of ash removal in the factory. However, when the mechanism is in actual use, in order to keep the gravity center stable, the sand box is lifted up by the hydraulic device and unloaded at a limited angle with the ground, so that after the sand box is completely lifted up, part of sand still adheres to the inside of the sand box, and the sand box needs to be cleaned manually, so that the manual work burden is increased.

In order to solve the problem, the utility model provides a sand unloading mechanism for the bottom of a lost foam casting sand box.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a sand unloading mechanism for a lost foam casting sand box bottom, so as to solve the problems mentioned in the background art and overcome the defects in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a sand unloading mechanism for a lost foam casting sand box bottom, which comprises a base, wherein a double-shaft motor is fixedly connected to the bottom of the base, two output ends of the double-shaft motor are respectively and fixedly connected with a gear, one side of the base is slidably connected with a sand box, two sides of the sand box are meshed with the outer surfaces of the gears, four corners of the sand box are respectively and fixedly connected with an electric telescopic rod, and the output ends of the four electric telescopic rods are fixedly connected with a cleaning frame.

By the above-mentioned scheme preferred, both sides of base are fixedly connected with two first supporting legs and two second supporting legs respectively, first supporting leg is vertical setting, the second supporting leg is the slope setting.

By above-mentioned arbitrary scheme preferably, a spout has been seted up respectively to the both sides of base, the both sides of base are fixedly connected with a supporting shoe respectively, every a rotation hole has all been seted up to one side of supporting shoe, two output rotations of biax motor are connected in the inside of rotation hole.

The technical effect achieved by adopting the scheme is as follows: the supporting block can provide certain supporting and limiting functions for the double-shaft motor.

By any of the above schemes, it is preferable that two sides of the sand box are respectively and fixedly connected with a sliding block, the outer surface of the sliding block is matched with the inner surface of the sliding groove, and the outer surface of the sliding block is slidably connected with the inner surface of the sliding groove.

By any of the above schemes, it is preferable that a rack is fixedly connected to one side of each of the sliders, and one side of the rack is meshed with one side of the gear.

By above-mentioned arbitrary scheme preferably, the four corners of sand box is fixedly connected with a extension board respectively, every a through-hole has all been seted up to one side of extension board, one side fixed connection of electric telescopic handle is in one side of extension board, electric telescopic handle's output shaft peg graft in the inside of through-hole.

By any of the above schemes, preferably, the sand box is of a square structure with an open top and bottom, the outer surface of the cleaning frame is matched with the inner surface of the sand box, and the outer surface of the cleaning frame is connected with the inner surface of the sand box in a sliding manner.

The technical effect achieved by adopting the scheme is as follows: the cleaning frame moves up and down to clean the inside of the sand box.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

according to the utility model, the movable sand box is arranged, after the lost foam casting is finished, sand can fall from the bottom of the sand box by moving the sand box, meanwhile, the sand on the base can be scraped, and compared with overturning type sand unloading, the sand box can be used for more thoroughly cleaning the sand in the sand box, and the manual work burden is reduced.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of the overall structure according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a sand unloading state according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a connection structure of a biaxial motor according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a flask according to an embodiment of the utility model;

fig. 5 is a schematic structural view of a cleaning frame according to an embodiment of the present utility model.

In the figure: the cleaning device comprises a 1-base, a 101-sliding groove, a 102-supporting block, a 2-double-shaft motor, a 3-gear, a 4-sand box, a 401-sliding block, a 402-rack, a 403-supporting plate, a 5-electric telescopic rod and a 6-cleaning frame.

Detailed Description

As shown in fig. 1 to 5, a sand unloading mechanism for the bottom of a lost foam casting sand box comprises a base 1, wherein the bottom of the base 1 is fixedly connected with a double-shaft motor 2, two output ends of the double-shaft motor 2 are respectively and fixedly connected with a gear 3, one side of the base 1 is slidably connected with a sand box 4, two sides of the sand box 4 are meshed with the outer surface of the gear 3, four corners of the sand box 4 are respectively and fixedly connected with an electric telescopic rod 5, the output ends of the four electric telescopic rods 5 are fixedly connected with a cleaning frame 6, the stroke of the electric telescopic rod 5 is enough to drive the cleaning frame 6 to move to the bottom of the sand box 4, and the movement of the cleaning frame 6 can be realized in other manners.

Two sides of the base 1 are fixedly connected with two first supporting legs and two second supporting legs respectively, the first supporting legs are arranged vertically, the second supporting legs are arranged obliquely, the first supporting legs play a role in supporting in the vertical direction, and the second supporting legs avoid rollover and other conditions caused by unstable gravity center in the movement process of the sand box 4.

Two sides of the base 1 are respectively provided with a chute 101, two sides of the base 1 are respectively fixedly connected with a supporting block 102, one side of each supporting block 102 is provided with a rotating hole, two output ends of the double-shaft motor 2 are rotationally connected to the inside of the rotating hole, and one side of the base 1 is provided with a blank groove for falling sand.

Two sides of the sand box 4 are fixedly connected with a sliding block 401 respectively, the outer surface of the sliding block 401 is matched with the inner surface of the sliding groove 101, and the outer surface of the sliding block 401 is connected with the inner surface of the sliding groove 101 in a sliding mode.

One side of each sliding block 401 is fixedly connected with a rack 402, one side of the rack 402 is meshed with one side of the gear 3, and the sliding blocks 401 limit the whole sand box.

Four corners of sand box 4 are fixedly connected with a extension board 403 respectively, and a through-hole has all been seted up to one side of every extension board 403, and one side fixed connection of electric telescopic handle 5 is in one side of extension board 403, and electric telescopic handle 5's output shaft peg graft in the inside of through-hole.

The sand box 4 is a vertically open square structure, the outer surface of the cleaning frame 6 is matched with the inner surface of the sand box 4, the outer surface of the cleaning frame 6 is slidably connected with the inner surface of the sand box 4, and the cleaning frame 6 descends to scrape sand attached to the inner walls of four sides of the sand box 4.

The sand unloading mechanism for the bottom of the lost foam casting sand box has the following working process:

in the lost foam casting process, lost foam casting sand is placed in the inside of sand box 4, electric telescopic rod 5 drives clearance frame 6 and is in the top of sand box 4, when the casting is accomplished and is unloaded the sand, start biax motor 2 and drive gear 3 and rotate, sand box 4 with gear 3 meshing will slide under the restriction of

spout

101, 1 at this moment place the instrument of connecing the sand in advance in one side of base 1 shakeout, the in-process sand box 4 is taken with inside sand to one side of base 1 and is offered the blank in the removal process and move, then the sand falls into and connect sand instrument from the blank, can set up the buffer and avoid leading to the fact the damage with the fine part of casting that sand falls down together, after sand box 4 moves to the limit, the sand in the time and on the base 1 is just cleared up to accomplish completely, if sand box 4 inner wall still has the sand at this moment, four electric telescopic rod 5 drive clearance frame 6 down motion, scrape off the sand that the sand is inside of sand box 4 is left, electric telescopic rod 5 and biax motor 2 all have external power supply.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

according to the utility model, the movable sand box 4 is arranged, after the lost foam casting is finished, sand can fall from the bottom of the sand box 4 by moving the sand box 4, meanwhile, the sand on the base 1 can be scraped, and the residual sand on the inner wall of the sand box 4 can be scraped by arranging the cleaning frame 6.

Claims

1. The utility model provides a sand mechanism is unloaded at lost foam casting sand box bottom which characterized in that: including base (1), the bottom fixedly connected with biax motor (2) of base (1), two output of biax motor (2) are fixedly connected with gear (3) respectively, one side sliding connection of base (1) has sand box (4), the both sides of sand box (4) mesh with the surface of gear (3), the four corners of sand box (4) are fixedly connected with electric telescopic handle (5) respectively, four the output fixedly connected with clearance frame (6) of electric telescopic handle (5).

2. The sand unloading mechanism for the bottom of the lost foam casting sand box according to claim 1, wherein: two sides of the base (1) are fixedly connected with two first supporting legs and two second supporting legs respectively, the first supporting legs are arranged vertically, and the second supporting legs are arranged obliquely.

3. The sand unloading mechanism for the bottom of the lost foam casting sand box according to claim 2, wherein: two sides of the base (1) are respectively provided with a sliding groove (101), two sides of the base (1) are respectively fixedly connected with a supporting block (102), one side of each supporting block (102) is provided with a rotating hole, and two output ends of the double-shaft motor (2) are rotationally connected to the inside of the rotating hole.

4. A lost foam casting sand box bottom sand unloading mechanism according to claim 3, wherein: two sides of the sand box (4) are fixedly connected with a sliding block (401) respectively, the outer surface of the sliding block (401) is matched with the inner surface of the sliding groove (101), and the outer surface of the sliding block (401) is connected with the inner surface of the sliding groove (101) in a sliding mode.

5. The sand unloading mechanism for the bottom of the lost foam casting sand box of claim 4, wherein: one side of each sliding block (401) is fixedly connected with a rack (402), and one side of the rack (402) is meshed with one side of the gear (3).

6. The sand unloading mechanism for the bottom of the lost foam casting sand box according to claim 5, wherein: the sand box is characterized in that four corners of the sand box (4) are respectively fixedly connected with a support plate (403), one side of each support plate (403) is provided with a through hole, one side of the electric telescopic rod (5) is fixedly connected with one side of the support plate (403), and an output shaft of the electric telescopic rod (5) is inserted into the through holes.

7. The sand unloading mechanism for the bottom of the lost foam casting sand box of claim 6, wherein: the sand box (4) is of a vertically opened square structure, the outer surface of the cleaning frame (6) is matched with the inner surface of the sand box (4), and the outer surface of the cleaning frame (6) is connected with the inner surface of the sand box (4) in a sliding mode.