CN213288558U

CN213288558U - Casting sand hopper

Info

Publication number: CN213288558U
Application number: CN202021289589.9U
Authority: CN
Inventors: 李�浩
Original assignee: Sichuan Dujiang Foundry Co ltd
Current assignee: Sichuan Dujiang Foundry Co ltd
Priority date: 2020-07-02
Filing date: 2020-07-02
Publication date: 2021-05-28
Anticipated expiration: 2030-07-02

Abstract

The utility model provides a casting sand hopper relates to casting sand hopper technical field. This casting sand hopper, including the workbin, the last fixed surface of workbin is connected with the sand hopper body, and the inside of workbin is provided with three bracing piece, and the spout of three and inner wall intercommunication is all seted up at the front and back of workbin, and the inside of six spouts is run through in the both ends of three bracing piece slip respectively, and the inside of six spouts all slides and pegs graft and have the slider, and six sliders are fixed cup joints the both ends at three bracing piece respectively, and the one end that three bracing piece lies in the workbin inside all fixes the cup joint and has had a plurality of ejector pin. This casting sand hopper through setting up ejector pin, bracing piece, transfer line, transmission frame, push rod and eccentric wheel, has reached the effect through the speed of reciprocating drive knockout of ejector pin, has solved current sand hopper at the knockout in-process, and the drain hole blocks up easily to cause the lower problem of knockout efficiency of sand hopper.

Description

Casting sand hopper

Technical Field

The utility model relates to a casting sand hopper technical field specifically is a casting sand hopper.

Background

Casting is a method of casting liquid metal into a casting cavity which is adapted to the shape of a part, and cooling and solidifying the liquid metal to obtain the part or a blank, wherein the cast substance is mostly metal which is originally in a solid state but is heated to a liquid state, and the material of the casting mold can be sand, metal or even ceramic.

The sand casting is to produce castings by using clay bonded sand as a molding material, the sand hopper has an important function in casting, and the discharging port of the conventional sand hopper is easy to block in the shakeout process, so that the shakeout efficiency of the sand hopper is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a casting sand hopper has solved current sand hopper at the shakeout in-process, and the drain hole blocks up easily to cause the lower problem of shakeout efficiency of sand hopper.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a casting sand hopper, includes the workbin, the last fixed surface of workbin is connected with sand hopper body, and the inside of workbin is provided with three bracing piece, and the spout of three and inner wall intercommunication is all seted up to the front and back face of workbin, and the inside of six spouts is run through in the both ends of three bracing piece slip respectively, and the inside of six spouts all slides and pegs graft and have the slider, and six sliders are fixed respectively and cup joint the both ends at three bracing piece, and the one end that three bracing piece lies in the workbin inside all fixes the cup joint have a plurality of ejector pin.

The inside of the blanking box is provided with a rotating shaft which is positioned below the plurality of ejector rods, the front end and the rear end of the rotating shaft respectively rotate to penetrate through the inner wall of the front surface and the rear surface of the blanking box, the front surface and the rear surface of the blanking box are respectively and fixedly connected with two fixed shafts, the outer surfaces of the four fixed shafts are respectively and rotatably sleeved with transmission rods, the two ends of the four transmission rods are respectively and slidably sleeved with transmission frames, one ends of the eight transmission frames, far away from the four transmission rods, are respectively and rotatably sleeved at the two ends of the three supporting rods, the front side and the rear side of the blanking box are respectively provided with eccentric wheels, the two eccentric wheels are respectively and fixedly sleeved at the outer surface of the rotating shaft, push rods are arranged above the two eccentric wheels, the upper ends of the two push rods are respectively and fixedly sleeved at the two ends of the supporting rods positioned in the middle, the equal fixedly connected with in bottom surface of two fixed plates promotes the spring, and the bottom surface of two promotion springs all is connected with the last fixed surface that is located the bracing piece in the middle of, and two promotion springs slide respectively and cup joint at the surface of two slide bars, and the positive fixedly connected with motor of workbin, the output of motor and the positive fixed connection of pivot.

Preferably, the one end that three bracing piece is located workbin inside all fixedly cup joints two baffles, six baffles respectively with the positive back inner wall sliding contact of workbin, a plurality of ejector pin all is located between six baffles.

Preferably, the lower ends of the two push rods are hinged with rollers, and the lower ends of the two rollers are respectively in rolling contact with the upper surfaces of the two eccentric wheels.

Preferably, the circumference side of the motor is fixedly connected with an installation frame, and the back of the installation frame is fixedly connected with the front of the blanking box.

Preferably, the three support rods are arranged in parallel and distributed in a triangular shape.

Preferably, the upper ends of the plurality of ejector rods are all triangular, and the plurality of ejector rods are respectively and equidistantly distributed on the outer surfaces of the three support rods.

(III) advantageous effects

The utility model provides a casting sand hopper. The method has the following beneficial effects:

1. this casting sand hopper, through setting up the ejector pin, the bracing piece, the transfer line, the transmission frame, push rod and eccentric wheel, when sand is gone on to the sand hopper body, the starter motor drives the pivot and rotates, then drive the eccentric wheel and rotate, then the eccentric wheel reciprocates with the bracing piece that drives the centre that is located under the effect that promotes the spring, thereby drive the transmission frame and rotate, then drive the transfer line and rotate, then drive the bracing piece that is located both sides through the transmission frame that is located both sides and reciprocate, thereby it reciprocates to drive the ejector pin through the bracing piece, the effect of the speed of reciprocating drive shakeout through the ejector pin has been reached, current sand hopper is at the shakeout in-process has been solved, the drain hole blocks up easily, thereby cause the lower problem of shakeout efficiency of sand hopper.

2. This casting sand hopper through setting up the baffle, and the in-process that reciprocates is carried out when the bracing piece drives the slider and slides inside the spout, drives the baffle simultaneously and reciprocates, carries out the shutoff to the spout, has reached the effect that prevents sand and spill from the spout, has solved the bracing piece at gliding in-process, and sand spills from the spout and causes the extravagant problem of sand.

Drawings

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

FIG. 2 is a schematic view of the connection between the post rod and the support rod of the present invention;

FIG. 3 is a schematic view of the connection between the push rod and the roller of the present invention;

fig. 4 is a schematic view of the connection between the transmission rod and the transmission frame of the present invention.

Wherein, 1 blanking box, 2 supporting rods, 3 sliding chutes, 4 sand hopper bodies, 5 sliding blocks, 6 push rods, 7 rotating shafts, 8 fixed shafts, 9 transmission frames, 10 transmission rods, 11 eccentric wheels, 12 fixed plates, 13 sliding rods, 14 push rods, 15 pushing springs, 16 motors, 17 baffles, 18 rollers and 19 mounting frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the utility model provides a casting sand hopper, as shown in figures 1-4, comprising a blanking box 1, the upper surface of the blanking box 1 is fixedly connected with a sand hopper body 4, three support rods 2 are arranged inside the blanking box 1, the three support rods 2 are arranged in parallel, the three support rods 2 are distributed in a triangle shape, three chutes 3 communicated with the inner wall are arranged on the front back surface of the blanking box 1, two ends of the three support rods 2 respectively penetrate through the six chutes 3 in a sliding manner, sliders 5 are inserted into the six chutes 3 in a sliding manner, the six sliders 5 are respectively fixedly sleeved at two ends of the three support rods 2, one end of the three support rods 2 positioned inside the blanking box 1 is respectively fixedly sleeved with a plurality of ejector rods 6, the upper ends of the ejector rods 6 are respectively in a triangle shape, the ejector rods 6 are respectively distributed on the outer surfaces of the three support rods 2 in an equidistance manner, so as to drive the sand to slide downwards.

The inside of the blanking box 1 is provided with a rotating shaft 7, the rotating shaft 7 is positioned below a plurality of ejector rods 6, the front end and the rear end of the rotating shaft 7 respectively penetrate through the inner wall of the front surface and the back surface of the blanking box 1 in a rotating manner, two fixing shafts 8 are fixedly connected to the front surface and the back surface of the blanking box 1, transmission rods 10 are rotatably sleeved on the outer surfaces of the four fixing shafts 8, transmission frames 9 are slidably sleeved at the two ends of the four transmission rods 10, one ends of the eight transmission frames 9, far away from the four transmission rods 10, are respectively rotatably sleeved at the two ends of three support rods 2, two baffles 17 are fixedly sleeved at one end of the three support rods 2, positioned in the blanking box 1, six baffles 17 are respectively in sliding contact with the inner wall of the front surface and the back surface of the blanking box 1, the plurality of ejector rods 6 are positioned between the six baffles 17, the length of each baffle 17 is twice that, eccentric wheels 11 are arranged on the front side and the rear side of the blanking box 1, the two eccentric wheels 11 are fixedly sleeved on the outer surface of the rotating shaft 7, push rods 14 are arranged above the two eccentric wheels 11, rollers 18 are hinged to the lower ends of the two push rods 14, the lower ends of the two rollers 18 are respectively in rolling contact with the upper surfaces of the two eccentric wheels 11, the rollers 18 are arranged to reduce the friction force between the eccentric wheels 11 and the push rods 14, so that the abrasion between the eccentric wheels 11 and the push rods 14 is reduced, the upper ends of the two push rods 14 are respectively fixedly sleeved at the two ends of the supporting rod 2 positioned in the middle, a fixed plate 12 is fixedly connected to the front back surface of the blanking box 1, slide rods 13 penetrate through the upper surfaces of the two fixed plates 12 in a sliding manner, the lower ends of the two slide rods 13 are respectively fixedly connected with the upper surface of the supporting rod 2 positioned in, the bottom surfaces of the two pushing springs 15 are fixedly connected with the upper surface of the support rod 2 positioned in the middle, the two pushing springs 15 are respectively sleeved on the outer surfaces of the two slide rods 13 in a sliding mode, the motor 16 is fixedly connected to the front surface of the blanking box 1, the mounting frame 19 is fixedly connected to the side surface of the circumference of the motor 16, the front surface of the blanking box 1 is fixedly connected to the back surface of the mounting frame 19, and the output end of the motor 16 is fixedly connected with the front surface of the rotating shaft 7.

Theory of operation, when sand down was carried out at sand hopper body 4, starter motor 16 drives pivot 7 and rotates, then drive eccentric wheel 11 and rotate, thereby promote push rod 14 and remove, then eccentric wheel 11 reciprocates with the bracing piece 2 that drive under the effect that promotes spring 15 is located the centre, thereby drive transmission frame 9 and rotate, then drive transfer line 10 and rotate, then drive the bracing piece 2 that is located both sides through the transmission frame 9 that is located both sides and reciprocate, the bracing piece 2 that is located both sides is opposite with the bracing piece 2 moving direction that is located the centre, drive ejector pin 6 through bracing piece 2 and reciprocate, thereby the speed of driving the knockout through reciprocating of ejector pin 6, prevent that sand from taking place to block up.

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 casting sand hopper, includes workbin (1), its characterized in that: the sand hopper is characterized in that a sand hopper body (4) is fixedly connected to the upper surface of the blanking box (1), three supporting rods (2) are arranged inside the blanking box (1), three sliding chutes (3) communicated with the inner wall are formed in the front and back surfaces of the blanking box (1), two ends of each supporting rod (2) respectively penetrate through the six sliding chutes (3) in a sliding mode, sliding blocks (5) are inserted into the six sliding chutes (3) in a sliding mode, the six sliding blocks (5) are respectively fixedly sleeved at two ends of the three supporting rods (2), and a plurality of ejector rods (6) are respectively fixedly sleeved at one end, located inside the blanking box (1), of each supporting rod (2);

the inner part of the blanking box (1) is provided with a rotating shaft (7), the rotating shaft (7) is positioned below a plurality of ejector rods (6), the front end and the rear end of the rotating shaft (7) respectively rotate to penetrate through the inner wall of the front back surface of the blanking box (1), the front back surface of the blanking box (1) is fixedly connected with two fixed shafts (8), the outer surfaces of the four fixed shafts (8) are respectively rotatably sleeved with a transmission rod (10), the two ends of the four transmission rods (10) are respectively slidably sleeved with a transmission frame (9), one ends of the eight transmission frames (9) far away from the four transmission rods (10) are respectively rotatably sleeved at the two ends of three support rods (2), the front side and the rear side of the blanking box (1) are respectively provided with eccentric wheels (11), the two eccentric wheels (11) are respectively fixedly sleeved on the outer surface of the rotating shaft (7), push rods (14) are arranged above the two eccentric wheels (11), the upper ends of the two push rods, the equal fixedly connected with fixed plate (12) in the positive back of workbin (1) down, the upper surface of two fixed plates (12) all slides and runs through slide bar (13), the lower extreme of two slide bars (13) all with the upper surface fixed connection who is located middle bracing piece (2), the equal fixedly connected with in bottom surface of two fixed plates (12) promotes spring (15), the bottom surface of two promotion springs (15) all with the upper surface fixed connection who is located middle bracing piece (2), two promote spring (15) and slide respectively and cup joint the surface at two slide bars (13), the positive fixedly connected with motor (16) of workbin (1) down, the output of motor (16) and the positive fixed connection of pivot (7).

2. A foundry sand hopper according to claim 1, wherein: the one end that three bracing piece (2) are located workbin (1) inside all fixedly cup joints two baffles (17), six baffles (17) respectively with workbin (1) the positive back inner wall sliding contact, a plurality of ejector pin (6) all are located between six baffles (17).

3. A foundry sand hopper according to claim 1, wherein: the lower ends of the two push rods (14) are hinged with rollers (18), and the lower ends of the two rollers (18) are respectively in rolling contact with the upper surfaces of the two eccentric wheels (11).

4. A foundry sand hopper according to claim 1, wherein: the circumference side fixedly connected with mounting bracket (19) of motor (16), the equal front fixed connection of workbin (1) in the back of mounting bracket (19).

5. A foundry sand hopper according to claim 1, wherein: the three support rods (2) are arranged in parallel, and the three support rods (2) are distributed in a triangular shape.

6. A foundry sand hopper according to claim 1, wherein: the upper ends of the ejector rods (6) are triangular, and the ejector rods (6) are respectively distributed on the outer surfaces of the three support rods (2) at equal intervals.