CN215615002U - Conveying and sand discharging combined mechanism of sand casting automatic shakeout equipment - Google Patents

Abstract

The application discloses automatic knockout equipment's of sand casting transport combination mechanism that goes out, including the conveyer belt, equidistant range is provided with the holding tank on the conveyer belt, be provided with the play sand board that can open in the holding tank, be provided with in the frame and connect the sand hopper, the upper portion that connects the sand hopper forms fortune sand passageway with the lower surface cooperation of conveyer belt, the lower part that connects the sand hopper is provided with out the sand passageway, it communicates fortune sand passageway and frame outside respectively to go out the sand passageway, be provided with the cracker in the play sand passageway, when going out the sand board and removing to fortune sand passageway along with the conveyer belt in, it can open automatically and carry the waste sand in the fortune sand passageway to go on in going out the sand passageway broken, can carry the sand box and carry two processes to combine to go on simultaneously with waste sand, make the collection and the processing of waste sand more simple and convenient, increase production efficiency, reduce the energy consumption.

Description

Conveying and sand discharging combined mechanism of sand casting automatic shakeout equipment

Technical Field

The application relates to the technical field of sand casting, in particular to a conveying and sand discharging combined mechanism of automatic sand shakeout equipment for sand casting.

Background

The sand casting technology is a casting method for preparing a casting mold by taking sand as a main molding material. Because the sand casting is characterized by the characteristics (no limitation of the shape, size, complexity and alloy type of parts, short production period and low cost), the sand casting is still the most widely applied casting method in the casting production, especially single-piece or small-batch castings.

The basic flow of the traditional sand casting process comprises the following steps: the method comprises the steps of sand preparation, molding, core making, molding, pouring, shakeout, grinding processing, inspection and the like, wherein the shakeout refers to a process of separating molding sand and a casting in a casting mold.

At present, the shakeout method generally used in casting production is a vibration method (impact method), that is, shakeout and shakeout machines are classified into mechanical vibration and electromagnetic vibration according to the method of generating vibration by using the collision between a casting mold and the shakeout machine. Mechanical vibration shakers are classified into eccentric vibration type and inertial vibration type, and the latter is commonly used.

However, the prior sand box conveying mechanism has the following defects: the shakeout machine and the molding sand crusher are independently arranged, the crushing treatment is carried out after shakeout, the occupied size of equipment is large, and the production efficiency is low.

Disclosure of Invention

An object of this application provides a sand casting automatic knockout equipment's that can carry out the sand box simultaneously and carry and collect the processing with the waste sand transport delivery sand outlet combined mechanism.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows: a conveying and sand discharging combined mechanism of sand mold casting automatic shakeout equipment comprises a conveyor belt, wherein accommodating grooves are arranged on the conveyor belt at equal intervals, openable sand discharging plates are arranged in the accommodating grooves, a sand receiving hopper is arranged in a rack, the upper part of the sand receiving hopper is matched with the lower surface of the conveyor belt to form a sand conveying channel, a sand discharging channel is arranged at the lower part of the sand receiving hopper and is respectively communicated with the sand conveying channel and the outer part of the rack, a crusher is arranged in the sand discharging channel, and when the sand discharging plates move into the sand conveying channel along with the conveyor belt, the sand discharging plates can be automatically opened and convey waste sand in the sand conveying channel into the sand discharging channel to be crushed;

as an improvement, the holding tank includes joint side and joint side, it includes link and joint end to go out the sand board, the link rotate connect in the joint side, the slope of joint side sets up and makes it is less than 90 degrees to go out the biggest opening angle of sand board, go out sand board link with joint side cooperation joint.

As an improvement, the outlet of the sand conveying channel is provided with a cleaning device, the top of the cleaning device is provided with a cleaning brush, and the cleaning brush can be matched with the clamping end of the sand outlet plate for cleaning.

As an improvement, cutting columns are arranged at the outlet of the sand outlet channel at equal intervals, and cutting angles are arranged on one sides of the cutting columns facing the inside of the sand outlet channel.

As an improvement, blockers for blocking the sand boxes from entering the rack are arranged on the left side and the right side of the conveyor belt outside the rack.

Preferably, the cutting angle is in the shape of an acute angle or an arc angle.

As a modification, the lower surface of the conveyor belt in the frame is arranged to be inclined downwards.

Compared with the prior art, the beneficial effect of this application lies in: through the structure of reforming transform the conveyer belt, make the conveyer belt can be when carrying the sand box, carry out automatic collection and processing to the waste sand that the shakeout in-process dropped, this process does not need to spend extra time, can go on in step with the shakeout process, do not need solitary equipment simultaneously, reduce the volume of whole equipment, it is simultaneously more energy-conserving, this transport goes out sand combined mechanism simple structure, the preparation is convenient, and the strong difficult trouble of stability, the waste sand that falls can be sheltered from by the frame, reduce the scattered of dust and overflow, the protection production environment, be favorable to the environmental protection.

Drawings

FIG. 1 is a perspective view of a preferred embodiment according to the present application;

FIG. 2 is a front view of a preferred embodiment according to the present application;

FIG. 3 is a cross-sectional view taken along the line A-A of FIG. 2, in accordance with a preferred embodiment of the present application;

FIG. 4 is a top view of a preferred embodiment according to the present application;

FIG. 5 is an enlarged view at a of FIG. 3 according to a preferred embodiment of the present application;

FIG. 6 is a cross-sectional view taken in the direction B-B of FIG. 2, in accordance with a preferred embodiment of the present application.

In the figure: 1. a frame; 11. a sand receiving hopper; 111. a sand outlet channel; 112. a crusher; 12. cutting the column; 2. a sand box; 21. A through hole; 22. an upper box body; 23. a lower box body; 3. a conveying and sand discharging combined mechanism; 31. a conveyor belt; 32. accommodating grooves; 321. a connection side; 322. clamping and connecting sides; 33. a sand discharging plate; 331. a connecting end; 332. a clamping end; 4. a shakeout mechanism; 41. a controller; 42. A clamping assembly; 43. a vibrator; 5. a sand conveying channel; 6. a positioning device; 61. a cylinder; 62. a positioner; 7. a blocker; 8. a cleaning device; 81. and cleaning the brush.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present application is further described with reference to the accompanying drawings:

as shown in fig. 1 to 3, a preferred embodiment of the present application includes a frame 1, a sand box 2, a conveying and sand-discharging combined mechanism 3 and a shakeout mechanism 4, the conveying and sand-discharging combined mechanism 3 is disposed on the front side of the frame 1, the shakeout mechanism 4 is disposed inside the frame 1, the conveying and sand-discharging combined mechanism 3 can convey the sand box 2 to the shakeout mechanism 4 and perform shakeout operation by the shakeout mechanism 4, the conveying and sand-discharging combined mechanism 3 can also collect and process fallen waste sand, the shakeout and sand-discharging processes are performed synchronously, and the production efficiency is increased.

The sand box 2 is provided with a plurality of through holes 21 which are used for being matched and connected with the shakeout mechanism 4 in a bilateral symmetry mode, the positions of the through holes 21 are arranged according to the shapes and the positions of castings in the sand box 2, and the castings in the sand box 2 are prevented from being damaged by the shakeout mechanism 4 during shakeout operation.

Carry out sand combined mechanism 3 and include conveyer belt 31, equidistant range is provided with holding tank 32 on conveyer belt 31, be provided with the sand discharging plate 33 that can open in the holding tank 32, be provided with in the frame 1 and connect sand hopper 11, the upper portion that connects sand hopper 11 forms fortune sand passageway 5 with the lower surface cooperation of conveyer belt 31, the lower part that connects sand hopper 11 is provided with sand passageway 111, sand passageway 111 communicates fortune sand passageway 5 and frame 1 outside respectively, be provided with breaker 112 in the sand passageway 111, sand discharging plate 33 and conveyer belt 31's integral type design, can reduce the volume of whole equipment, simultaneously because sand discharging plate 33 follows conveyer belt 31 and moves, need not use extra drive arrangement can realize the collection of waste sand, carry and handle, more energy-concerving and environment-protective.

Go out sand board 33 when conveyer belt 31 upper portion, can hide to in the holding tank 32, do not influence the transport of conveyer belt 31 to sand box 2, when going out sand board 33 along with conveyer belt 31 removes to fortune sand passageway 5 in, it can receive the automatic upset of influence of gravity to open and carry the waste sand in the fortune sand passageway 5 to go out the sand passageway 111 in broken, in order to reduce the degree of difficulty of waste sand transportation, the lower surface downward sloping setting of conveyer belt 31 in the frame 1, the upper portion that connects sand hopper 11 also sets up with the lower surface cooperation slope of conveyer belt 31, make waste sand can be along the more relaxed slumping in the inclined plane, avoid waste sand to pile up in fortune sand passageway 5.

As shown in fig. 3, the sand box 2 is of a traditional split design, and comprises an upper box 22 and a lower box 23 which are vertically communicated, the vertically communicated open structure can improve the shakeout efficiency, the sand box 2 does not need to be overturned for shakeout, the upper box 22 and the lower box 23 are detachably connected, the mold core is convenient to install, a plurality of through holes 21 are formed in both sides of the upper box 22 and both sides of the lower box 23, and when the shakeout mechanism 4 is prevented from contacting the sand box 2, the separation or deformation caused by insufficient fixing strength between the upper box 22 or the lower box 23 is avoided.

The rear side of the frame 1 is provided with the positioning device 6, the positioning device 6 comprises an air cylinder 61 and a positioner 62, the air cylinder 61 is arranged on the frame 1, the air cylinder 61 controls the positioner 62 to position the sand box 2 on the conveying belt 31, the positioner 62 can be abutted to the lower box 23, the sand outlet plate 33 can smoothly discharge sand due to the fact that the conveying belt 31 needs to move ceaselessly, the sand box 2 needs to stop and be matched with the sand falling mechanism 4, the sand box 2 can be kept in a relatively unchanged position through the positioning device 6, the sand falling mechanism 4 can perform sand falling operation on the sand box 2, the weight of the sand box 2 is large, the air cylinder 61 in the positioning device 6 can play a role in buffering, and damage to the sand box 2 when in contact collision with the positioning device 6 is avoided.

The conveyer belt 31 left and right sides outside frame 1 is provided with the blocker 7 that is used for blockking sand box 2 and gets into frame 1, because the operation that conveyer belt 31 does not stop, and wait for the sand box 2 of knockout and need wait on conveyer belt 31, can fix the sand box 2 of waiting for the knockout on conveyer belt 31 through blocker 7, avoids waiting for the sand box 2 of knockout to get into in frame 1.

As shown in fig. 4, the shakeout mechanism 4 comprises a controller 41, a clamping assembly 42 and vibrators 43, the controller 41 is arranged on the left side and the right side of the frame 1, the clamping assembly 42 is arranged in the frame 1 and connected with the controller 41, the controller 41 can control the clamping assembly 42 to rotate, lift and stretch, the number of the vibrators 43 is the same as the number of the through holes 21, the vibrators 43 are fixedly arranged on the clamping assembly 42, the vibrators 43 are suitable for being matched and extending into the through holes 21, the number of the through holes 21 is set according to the shape of the casting in the sand box 2, the vibrators 43 are ensured to be capable of fixing the casting after extending into the through holes 21 and preventing the casting from falling out of the sand box 2, the vibrators 43 are coated with buffer layers made of rubber or plastics, and the materials of the buffer layers are rubber or plastics, because the vibrators 43 can gradually expose the casting after vibrating and contact with the vibrators 43, in order to prevent the casting from being damaged due to collision with the vibrators 43, the buffer layer is arranged outside the vibrators 43, friction can be increased through the buffer layer, the vibrators 43 are matched to clamp, the casting is prevented from falling, and meanwhile the surface of the casting is protected from being damaged.

As shown in fig. 5, the accommodating groove 32 includes a connection side 321 and a clamping side 322, the sand outlet plate 33 includes a connection end 331 and a clamping end 332, the connection end 331 rotates to be connected to the connection side 321, the connection side 321 inclines to set up the maximum opening angle of the sand outlet plate 33 to be smaller than 90 degrees, when the sand outlet plate 33 moves to the upper portion of the conveyor belt 31 along with the conveyor belt 31, because the sand outlet plate 33 is not completely perpendicular to the horizontal plane, the sand outlet plate 33 can be automatically accommodated in the accommodating groove 32 under the influence of gravity, the clamping end 332 of the sand outlet plate 33 is clamped with the clamping side 322 in a matching manner, the position of the sand outlet plate 33 in the accommodating groove 32 is fixed, and the sand outlet plate 33 is prevented from rotating.

Further, the upper portion of the conveyor belt 31 may be inclined, and the connection side 321 does not need to be additionally provided, and the sand plate 33 may be automatically stored.

Fortune sand passageway 5's exit is provided with cleaning device 8, cleaning device 8's top is provided with clearance brush 81, clearance brush 81 can cooperate the joint end 332 of the play sand board 33 of clearance process, because go out sand board 33 and use joint end 332 contact sand waste in fortune sand passageway 5, make sand waste can be promoted in fortune sand passageway 5, be stained with sand waste for avoiding on joint end 332, can't accomodate completely to the holding tank 32 in, influence the transportation of sand box 2, set up cleaning device 8 at fortune sand passageway 5 end, it leaves fortune sand passageway 5 along with the conveyer belt motion to go out sand board 33, can contact with clearance brush 81, certain clearance function has been played.

As shown in fig. 6, the cutting columns 12 are arranged at the outlet of the sand outlet channel 111 at equal intervals, one side of each cutting column 12 facing the inside of the sand outlet channel 111 is provided with a cutting angle, and the cutting angle is an acute angle or an arc angle, so that the waste sand flowing out of the outlet of the sand outlet channel 111 can be cut to a certain extent, and the possibility of waste sand agglomeration is reduced.

The operation principle of the device is as follows: placing the sand box 2 on a conveying belt through a hoisting device, enabling the sand box 2 to enter the rack 1 along with the conveying belt, enabling the controller 41 to control the clamping assembly 42 to move, enabling the vibrator 43 to extend into the through hole 21, enabling the clamping assembly 42 to ascend, starting the vibrator 43, enabling the clamping assembly 42 to rotate while vibrating, enabling waste sand to fall onto the conveying belt, enabling the waste sand to fall into the sand conveying channel 5 along with the movement of the conveying belt, enabling the sand outlet plate 33 of the conveying belt in the sand conveying channel 5 to be opened to help the waste sand to be conveyed into the sand outlet channel 111, enabling the crusher 112 in the sand outlet channel 111 to further crush the waste sand, and then conveying the waste sand to the outside of the rack 1 from the outlet of the sand outlet channel 111 to be recovered; when the sand discharging plate 33 leaves the sand conveying channel 5 along with the conveying belt, the sand discharging plate can be contacted with the cleaning device 8 for cleaning, and then the sand discharging plate 33 automatically resets and is accommodated in the accommodating groove 32 when returning to the upper part of the conveying belt; the casting in the sand box 2 can be clamped by the vibrator 43 without falling, after the sand falling is finished, the clamping assembly 42 puts the sand box 2 and the casting back to the conveying belt, and finally the casting and the sand box 2 are carried to other equipment by hoisting equipment or a manipulator for subsequent processing.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (7)

1. The utility model provides a sand casting automatic knockout equipment's transport goes out sand combined mechanism which characterized in that: the sand conveying device comprises a conveying belt, wherein holding tanks are arranged at equal intervals on the conveying belt, openable sand discharging plates are arranged in the holding tanks, a sand receiving hopper is arranged in a frame, the upper part of the sand receiving hopper is matched with the lower surface of the conveying belt to form a sand conveying channel, a sand discharging channel is arranged at the lower part of the sand receiving hopper and is respectively communicated with the sand conveying channel and the outside of the frame, breakers are arranged in the sand discharging channel, and when the sand discharging plates move into the sand conveying channel along with the conveying belt, the sand discharging plates can be automatically opened and convey waste sand in the sand conveying channel into the sand discharging channel to be broken.

2. The conveying and sand-discharging combined mechanism of the sand casting automatic shakeout equipment according to claim 1, characterized in that: the holding tank includes connection side and joint side, it includes link and joint end to go out the sand board, the link rotate connect in the connection side, the slope of connection side sets up and makes the biggest opening angle of going out the sand board is less than 90 degrees, go out sand board card link with joint side cooperation joint.

3. The sand conveying and discharging combined mechanism of the sand casting automatic shakeout equipment according to claim 2, characterized in that: the outlet of the sand conveying channel is provided with a cleaning device, the top of the cleaning device is provided with a cleaning brush, and the cleaning brush can cooperate with the cleaning process of the clamping end of the sand outlet plate.

4. The conveying and sand-discharging combined mechanism of the sand casting automatic shakeout equipment according to claim 1, characterized in that: the outlet of the sand outlet channel is provided with cutting columns at equal intervals, and one side of each cutting column, which faces the inside of the sand outlet channel, is provided with a cutting angle.

5. The conveying and sand-discharging combined mechanism of the sand casting automatic shakeout equipment according to claim 1, characterized in that: and blockers used for blocking sand boxes from entering the rack are arranged on the left side and the right side of the conveyor belt outside the rack.

6. The sand conveying and discharging combined mechanism of the sand casting automatic shakeout equipment according to claim 4, characterized in that: the cutting angle is in the shape of an acute angle or an arc angle.

7. A combined conveying and sand-discharging mechanism of an automatic sand shakeout equipment for sand casting according to any one of claims 1 to 6, characterized in that: the lower surface of the conveyor belt in the rack is arranged in a downward inclined mode.

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