CN209935812U

CN209935812U - Core shooting machine

Info

Publication number: CN209935812U
Application number: CN201920685139.2U
Authority: CN
Inventors: 王鼎铭
Original assignee: Suzhou Mingzhi Technology Co Ltd
Current assignee: Suzhou Mingzhi Technology Co Ltd
Priority date: 2019-05-14
Filing date: 2019-05-14
Publication date: 2020-01-14
Anticipated expiration: 2029-05-14

Abstract

The utility model relates to a casting trade technical field discloses a core shooting machine. The core shooter comprises a frame; the sand feeding hopper and the shooting head are arranged on the rack, the shooting head is positioned below the sand feeding hopper, and the sand feeding hopper conveys sand materials in the sand feeding hopper into the shooting head; the mould shooting plate is detachably connected below the shooting head, and after the mould shooting plate and the shooting head are fixed, the shooting head shoots sand into the mould through the mould shooting plate; the sand blocking plate is arranged above the mould shooting plate, a through hole is formed in the sand blocking plate, and the sand material sprayed by the shooting head can pass through the through hole; and the cover plate is covered at the opening of the sand adding hopper. The utility model discloses an improve the point to the clearance in-process and optimize, reduce the time of retooling clearance and after-shift clearance.

Description

Core shooting machine

Technical Field

The utility model relates to a casting trade technical field especially relates to a core shooting machine.

Background

The mold changing process of the existing core shooter generally comprises the steps of disassembling a mold shooting plate, cleaning shooting head residual sand, loading the mold shooting plate, disassembling a mold template and loading a new mold. Wherein the shooting head is arranged on the shooting barrel, and the shooting barrel is used for placing the raw material sand. The mold injection plate is positioned right below the injection head, and the lower surface of the mold injection plate is provided with an injection nozzle which is used for injecting sand into the mold.

After the worker goes off duty, the core shooting machine stops working, and the worker needs to clean the core shooting machine. The post-job cleaning process of the core shooter generally comprises the following steps: cleaning equipment sand hopper, cleaning equipment top, cleaning shooting head and shooting barrel, cleaning shooting plate mechanism, cleaning trolley, cleaning equipment base and cleaning floor.

From the analysis of the practical use statistical result, at present, a customer switches a mold 2 times every day and cleans the mold for two shifts, the occupied time is about 1 hour, and the mold changing and cleaning time is long.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a core shooter optimizes through the improvement point to the clearance in-process, reduces the time of retooling clearance and after-shift clearance.

To achieve the purpose, the utility model adopts the following technical proposal:

there is provided a core shooter comprising:

a frame;

the sand feeding hopper and the shooting head are arranged on the rack, the shooting head is positioned below the sand feeding hopper, and the sand feeding hopper conveys sand materials in the sand feeding hopper into the shooting head;

the mould shooting plate is detachably connected below the shooting head, and after the mould shooting plate and the shooting head are fixed, the shooting head shoots sand into the mould through the mould shooting plate;

further comprising:

the sand blocking plate is arranged on the mold shooting plate, can extend into the shooting head and is detachably connected with the shooting head, the sand blocking plate is arranged above the mold shooting plate, a through hole is formed in the sand blocking plate, and the sand material sprayed by the shooting head can pass through the through hole;

and the cover plate is covered at the opening of the sand adding hopper.

Preferably, the core shooter further comprises a protective cover, wherein the protective cover is arranged at the bottom of the core shooter and is configured to cover the hydraulic pipeline, the air pipe, the cable and the wire passing groove which are arranged at the bottom of the core shooter.

Preferably, the sand material that still includes in the clearance in the penetrating head and the mould shooting plate, the dolly is configured to hold the sand material in the penetrating head and the mould shooting plate, the sand material in the penetrating head and the mould shooting plate can once only be held in the dolly.

Preferably, the trolley further comprises a baffle fixed on the ground or the rack, and the baffle is used for positioning the trolley and shielding floating dust or splashed sand generated by the sand falling into the trolley.

Preferably, one end of the injection head, which is close to the injection plate of the mold, is provided with an automatic clamping assembly, and the automatic clamping assembly can clamp or loosen the sand baffle.

Preferably, the through hole is at least one of a round hole, a kidney-shaped hole or a strip-shaped hole.

The utility model has the advantages that: the utility model provides a set up the sand baffle in shooting head department, because of being provided with the through-hole on the sand baffle, the sand material that has certain pressure that the shooting head sprays can get into the mould through the through-hole and shoot the inboard, does not influence the just production work of core shooter. When the core shooter is replacing the mold, the mold shooting plate needs to be replaced. At the moment, after the mould shooting plate and the shooting head are separated, under the action of the sand baffle plate, only a small amount of sand in the shooting head falls off, and the continuous work of the core shooting machine after the mould is replaced cannot be influenced. The falling amount of the sand materials is reduced, and the manual workload is reduced.

In addition, set up the apron on adding the sand hopper, keep apart flying sand or floating dust when adding sand or shakeout in to adding the sand hopper, avoid flying sand to amass and fall at the equipment top, reduce workman and clean work load and clean the time.

Drawings

FIG. 1 is a schematic structural view of the core shooter of the present invention in a normal operating state (excluding the carriage);

FIG. 2 is a schematic structural view (excluding a trolley) of the core shooter sand baffle of the present invention after disassembly;

fig. 3 is a schematic structural view of the core shooter of the present invention when the whole machine is cleaned.

In the figure:

1. adding a sand hopper;

2. shooting a head;

3. injecting a plate by a mold;

4. a sand baffle plate; 41. a circular hole; 42. a strip-shaped hole;

5. a cover plate;

6. a trolley is provided.

7. A sand discharging hopper;

8. shooting a barrel;

9. lifting turnover mechanism.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

The embodiment provides a core shooting machine, which shoots sand into a mould and forms a sand core in the mould, wherein the sand core is used for subsequently casting parts. The cleaning mode after the core shooter produces the sand core generally comprises two conditions: one is when the product of needs production different grade type, need change the mould, need dismantle the change mould this moment and penetrate the board, lead to the sand material to drop to need the clearance. The other method is that the sand material contains a certain bonding component, and the core shooting machine needs to be cleaned immediately after being shut down, so that the core shooting machine is prevented from being blocked due to the coagulation of the sand material when being reused, and the core shooting machine cannot work normally.

As shown in fig. 1-3, the core shooter comprises a frame (the frame is not shown in the figure), and the structure from top to bottom comprises a sand discharge hopper 7, a sand feeding hopper 1, a shooting barrel 8, a shooting head 2, a mould shooting plate 3 and a lifting turnover mechanism 9. Wherein, the sand discharging hopper 7, the sand adding hopper 1, the shooting barrel 8, the shooting head 2 and the lifting turnover mechanism 9 are all fixed on the frame.

The sand discharging hopper 7 is used for placing the mixed sand materials, the sand discharging hopper 7 is arranged above the sand adding hopper 1, and the sand adding hopper 1 is conical. Penetrate a section of thick bamboo 8 and be located the sand feeding 1 directly below, penetrate head 2 and be located sand feeding 1 below, mould shooting plate 3 can dismantle and connect in penetrating head 2 below. The mould shooting plate 3 belongs to a part of the structure of the mould for forming the sand core, and the mould shooting plate 3 and the mould structure for forming the sand core are separately and respectively installed. When the core shooter works, the mould shooting plate 3 is arranged on the shooting head 2, the mould shooting plate 3 is positioned right above the mould structure of the forming sand core, and sand in the shooting head 2 is shot into the mould of the forming sand core through the mould shooting plate 3. And the mould structure for molding the sand core is arranged on the frame. When the mold injection plate 3 is replaced, the mold injection plate 3 can be automatically installed from the injection head 2.

The core shooter also comprises a sand baffle 4 and a cover plate 5. Wherein, keep off sand board 4 and set up on mould shooting plate 3, keep off sand board 4 and can stretch into in penetrating head 2 and can dismantle and connect in penetrating head 2. Specifically, be provided with shop bolt, constant head tank or location arch on the board 3 is penetrated to the mould, make sand guard 4 place on the board 3 is penetrated to the mould as limit structure, and sand guard 4 penetrates board 3 with the mould and can dismantle with the connection, and sand guard 4 can be at any time manually placed on the board 3 is penetrated to the mould, penetrates the limit structure of board 3 through the mould and fixes a position. The sand blocking plate 4 enters the shooting head 2 along with the mold shooting plate 3, and after the relative position adjustment on the mold shooting plate 3 and the shooting head 2 is completed, the sand blocking plate 4 is clamped by the automatic clamping assembly to be ready for work.

Above-mentioned automatic clamping assembly includes the cylinder and presss from both sides tight head, and the cylinder is fixed in the frame, presss from both sides tight head and connects in the output of cylinder, is provided with on the outer wall of penetrating the head and presss from both sides tight hole, presss from both sides tight head and can stretch into or withdraw from through pressing from both sides tight hole and penetrate inside 2 of head to press from both sides tightly or loosen sand baffle 4.

Specifically, keep off sand board 4 and be pressed from both sides tight back by the self-holding subassembly, penetrate the lower extreme of head 2 and be provided with automatic buckle structure, penetrate board 3 and penetrate head 2 through the fixed mould of control button control automatic buckle mechanism. The automatic buckle structure comprises a rotary buckle (not shown in the figure) arranged on the shooting head 2 and a driving piece for controlling the rotary buckle to rotate along the vertical direction as a central shaft, wherein the driving piece is fixed on the rack. After the position adjustment of the mold injection plate 3 is completed, the driving piece controls the rotation of the rotary buckle, the rotary buckle is positioned below the mold injection plate 3 and abuts against the lower surface of the mold injection plate 3, and the mold injection plate 3 is clamped between the rotary buckle and the injection head 2.

Alternatively, the mold shooting plate 3 can move up and down relative to the frame and can rotate relative to the frame. Specifically, in the present embodiment, the lifting and turning mechanism 9 can lift and lower relative to the frame and can rotate relative to the frame. When the plate 3 is shot to the mould needs to be changed or dismantled, the lifting turnover mechanism 9 can be lifted to support the mould to shoot the plate 3 and keep off the sand plate 4, and then the lifting turnover mechanism 9 drives the plate and the plate to descend together for a preset distance and turn over, so that residual sand in the shooting head 2 is cleaned. In other embodiments, the rotation and the lifting of the mold shooting plate 3 can be controlled by other mechanisms.

Specifically, the lifting turnover mechanism 9 is the structure of CN202506812U in the prior patent. When the core shooter works, the lifting turnover mechanism 9 is separated from the mould shooting plate 3, and the lifting turnover mechanism 9 does not interfere the sand shooting of the mould shooting plate 3 into the mould structure of the formed sand core. When the mold shooting plate 3 is disassembled or replaced, the lifting turnover mechanism 9 ascends to support the mold shooting plate 3 and the sand baffle plate 4. The rotation center axis of the lifting and turning mechanism 9 in this embodiment is located at one side of the lifting and turning mechanism, and as shown in fig. 1, the rotation center axis is located at a certain height of the lifting and turning mechanism 9. Since the die blank 3 needs to be removed, the position of the rotation center axis of the rotor 9 needs to be determined in consideration of whether the die blank 3 is easily replaced. After the mold injection plate 3 rotates along with the rotating part 9, one end of the mold injection plate 3, which descends, is close to a worker.

When the core shooter works, the lifting turnover mechanism 9 drives the mould shooting plate 3 to rotate to a horizontal state (as shown in figure 1). Because of the sand blocking plate 4 is positioned on the mold shooting plate 3, the lifting turnover mechanism 9 rises to the outlet which is in abutting joint with the shooting head 2, the sand blocking plate 4 can enter the shooting head 2 along with the rising of the mold shooting plate 3, and then is clamped by the automatic clamping assembly. The mold injection plate 3 is clamped by an automatic clamping structure to fix the mold injection plate 3. After the structures are fixed, the work is started.

Be provided with the through-hole on the sand blocking plate 4, core shooting machine still includes shooter drive assembly, and shooter drive assembly provides injection power for the sand material in shooter 2, and the sand material of spraying can pass through the through-hole. The air pump is arranged on the rack, and two ends of the air pipe are respectively connected to air outlets of the jet head and the air pump. At this point, the mold structure for molding the core has been installed just below the mold shooting plate 3. The sand discharge hopper 7 starts to discharge sand into the sand feeding hopper 1, and sand in the sand feeding hopper 1 is conveyed into the shooting barrel 8 through the bottom opening of the conical sand feeding hopper 1. The sand material in the shooting barrel 8 is sprayed into the mould shooting plate 3 through the shooting head 2 under high pressure, the mould shooting plate 3 is provided with a shooting nozzle, the shooting nozzle can be inserted into a sand inlet hole in the mould structure of the molding sand core, and the sand material is sprayed into the mould structure of the molding sand core through the shooting nozzle on the mould shooting plate 3.

The purpose of setting the sand baffle 4 is: because of the mould penetrates a partial structure that board 3 belongs to the mould, every group mould all includes that a type mould penetrates board 3, and the mould that corresponds when changing the mould structure of shaping psammitolite penetrates board 3 also needs to dismantle the change. Therefore, when the mold is replaced, the lifting turnover mechanism 9 drives the mold injection plate 3 to descend and separate from the injection head 2, the residual sand in the injection head 2 needs to be cleaned at each time, and the waste of sand materials and the increase of the manual workload are caused. When the mold is replaced, since the sand blocking plate 4 and the mold shooting plate 3 are not fixedly connected as described above, and in the process of replacing the mold shooting plate 3, the sand blocking plate 4 is still clamped by the automatic clamping assembly and is located inside the shooting head 2. After setting up sand guard 4, when changing the mould, the mould penetrates board 3 and penetrates the head 2 separation back, blocks the inside sand material of penetrating head 2 through sand guard 4. When the complete machine was shut down, when clearing up the complete machine, automatic clamping subassembly loosened sand guard 4, and sand guard 4 was provided with location structure because of mould shooting plate 3 is last, consequently descends and rotates along with mould baffle 3, and at this moment, the inside sand material landing of shooting head 2 clears up again.

After the whole machine is shut down, when sand in the injection head 2 is cleaned, the automatic clamping assembly loosens the sand baffle 4, and the sand baffle 4 is positioned on the upper surface of the mold injection plate 3. The automatic buckling mechanism loosens the mold shooting plate 3, and the lifting turnover mechanism 9 drives the sand baffle 4 and the mold shooting plate 3 to descend and turn over. In the upset process, penetrate the first sand material that 2 and mould penetrated in the board 3 and begin to empty, wait to penetrate the first sand material that 2 and mould penetrated in the board 3 and all empty the back, the manual work can be with keeping off sand board 4 and take off from mould penetrates board 3, cleans (for example air-blast) sand board 4, prevents the through-hole jam of keeping off sand board 4.

Alternatively, the through hole on the sand guard 4 may be at least one of a circular hole 41, a kidney-shaped hole or a strip-shaped hole 42. In the embodiment, the through hole of the sand baffle 4 is a combination of a round hole 41 and a kidney-shaped hole. The sand material in the shooting head 2 provides pressure for shooting the sand by the shooting head 2 through an external driving part such as an air pump, so that the sand material can meet the requirement of sand shooting and pass through, and the sand material enters the mold shooting plate 3 through the through hole. When the core shooting machine does not work, the sand material in the shooting head 2 has no pressure, so the sand material in the shooting head 2 can not drop in a large amount, a small amount of sand leakage does not influence the sand material amount in the shooting head 2, and the follow-up whole machine continues to work, compared with the prior art, the waste amount of the sand material is greatly reduced, and meanwhile, the cleaning workload of workers is reduced.

The core shooter in the embodiment further comprises a cover plate 5, and the cover plate 5 is arranged at the opening of the sand feeding hopper 1 in a covering mode.

In the core shooting machine in this embodiment, when the mixed sand material is added to the sand adding hopper 1 from the sand discharging hopper 7, sand particles and dust fly out of the upper portion of the sand adding hopper 1, so that the sand accumulated on the top of the equipment needs to be manually cleaned, and the manual workload is large. Therefore, the cover plate 5 is additionally arranged, so that flying sand is isolated when sand is added or dropped into the sand adding hopper 1, the flying sand is prevented from being accumulated on the top of the equipment, and the cleaning workload and the cleaning time of workers are reduced. The cover plate 5 may be made of a plastic or metal plate.

The sand material in the working process of the core shooting machine contains some viscous hard components, and after the sand material falls onto the structure, the sand material is hard on the structure after a long time, so that the sand material is difficult to clean completely. And in the cleaning process, the hydraulic pipeline and the cable are easily damaged. Further resulting in increased maintenance difficulty after equipment failure. The core shooting machine in the embodiment further comprises a protective cover, the protective cover is arranged at the bottom of the core shooting machine, and the protective cover is configured to cover a hydraulic pipeline, a cable and a wire passing groove which are arranged at the bottom of the core shooting machine. Therefore, the bottom of the core shooting machine is covered with the structures of all the parts in the protective cover through the protective cover, so that sand materials, dust and impurities in the working process of the whole machine and the cleaning process of workers are prevented from falling onto the structures, the sand materials, the dust and the impurities are prevented from being hardened, and the hydraulic pipeline, the cable and the wire passing groove structure of the core shooting machine are protected.

Optionally, as shown in fig. 3, the core shooter in this embodiment further comprises a trolley 6, and the trolley 6 is configured to contain the sand inside the shooting head 2 and the mold shooting plate 3 when cleaning the sand inside the shooting head 2 and the mold shooting plate 3.

When the mould is replaced or the whole machine is stopped and cleaned, the trolley 6 is moved to a preset position, the lifting turnover mechanism 9 drives the structures of the mould shooting plate 3 and the sand blocking plate 4 to descend, and then the mould shooting plate and the sand blocking plate rotate relative to the frame. At this time, the upper surface of the mold shooting plate 3 is used as an inclined surface, and the residual sand in the mold shooting plate 3 and the shooting head 2 is slid into the trolley 6 along the inclined surface.

Alternatively, the sand in the shooting head 2 and the mold shooting plate 3 can be contained in the trolley 6 at one time. Generally, a conventional cart 6 is used which is commonly available on the market. The various sizes of the trolley 6 in this embodiment are increased and therefore the volume of the trolley 6 is increased so that the volume of the trolley 6 matches the volume of sand typically remaining in the core shooting machine. Avoid dolly 6 to need empty clearance many times, simultaneously, also avoid because of dolly 6 size is little, lead to sand material landing to dolly 6 and drop to ground outward, or the empty in-process of sand material in the shooting head 2, change dolly 6 midway, lead to sand material to drop to ground, all increase workman's the work load that cleans under the above-mentioned condition. The trolley 6 in the embodiment can contain the residual sand in the shooting head 2 at one time, and the residual sand in the shooting head 2 can integrally and quickly slide to the trolley due to the large size of the trolley. The problem of current dolly need transport sand clearance time many times, drop the volume at the bottom surface when reducing the sand removal, reduce ground and clean the time.

Optionally, the core shooter in this embodiment further includes a baffle (not shown in the figure), which is fixed on the ground or on the frame, and is used for positioning the trolley 6 and shielding floating dust or splashed sand generated by the sand falling into the trolley 6. The concrete position of this baffle is confirmed according to actual need, as long as satisfy lift tilting mechanism 9 and mould shooting plate 3 and rotate the slope after, the sand material export just in time is located dolly 6 top can.

In addition, the baffle can also reduce the problem that floating dust or floating sand produced by sand materials sliding into the trolley 6 falls into the gap of the internal structure at the bottom of the core shooting machine to cause difficulty in cleaning.

In this embodiment, through setting up sand guard 4, reduce the change mould in-process, the volume that drops of sand material to this reduces the follow-up work load that cleans of work. Meanwhile, the cover plate 5 is arranged at the opening of the sand adding hopper 1, so that the cleaning time of the top of the whole machine is reduced. The bottom of the whole machine is provided with a protective cover, and the trolley with larger size is redesigned to match the production requirement. The improvement measures shorten the time for manually cleaning the injection plate 3 of the mold from 19-25 minutes to 6-8 minutes. The ground cleaning time is shortened from the original 30-50 minutes to 10-15 minutes. Meanwhile, due to the arrangement of the sand baffle 4, the total time of die change and cleaning of the equipment is saved by 50 percent.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A core shooter comprising:

a frame;

the sand feeding device comprises a sand feeding hopper (1) and a shooting head (2), wherein the sand feeding hopper (1) and the shooting head (2) are arranged on the rack, the shooting head (2) is positioned below the sand feeding hopper (1), and sand materials in the sand feeding hopper (1) are conveyed into the shooting head (2);

the sand shooting device comprises a mould shooting plate (3), wherein the mould shooting plate (3) is detachably connected below a shooting head (2), and after the mould shooting plate (3) and the shooting head (2) are fixed, the shooting head (2) shoots sand into the mould through the mould shooting plate (3);

it is characterized by also comprising:

the sand blocking plate (4) is arranged on the mold shooting plate (3), the sand blocking plate (4) can extend into the shooting head (2) and is detachably connected to the shooting head (2), the sand blocking plate (4) is arranged above the mold shooting plate (3), a through hole is formed in the sand blocking plate (4), and sand sprayed by the shooting head (2) can pass through the through hole;

and the cover plate (5) is arranged at the opening of the sand adding hopper (1).

2. The core shooting machine of claim 1, further comprising a protective cover disposed at a bottom of the core shooting machine, the protective cover configured to cover hydraulic lines, air pipes, cables, and wire passing channels disposed at the bottom of the core shooting machine.

3. Core shooting machine as claimed in claim 1, characterized by further comprising a trolley (6), said trolley (6) being configured to contain the sand inside said shooting head (2) and said mould shooting plate (3) when cleaning said sand inside said shooting head (2) and said mould shooting plate (3), said sand inside said shooting head (2) and said mould shooting plate (3) being able to be contained inside said trolley (6) at one time.

4. Core shooting machine as claimed in claim 3, characterized by further comprising a baffle fixed to the ground or to said frame, said baffle being intended to position said trolley (6) and to screen said sand from floating dust or splashes produced by said sand falling inside said trolley (6).

5. Core shooting machine as claimed in claim 1, characterized in that the end of said shooting head (2) close to said shooting plate of the mould (3) is provided with an automatic clamping assembly able to clamp or release said sand trap (4).

6. Core shooting machine as claimed in claim 1, characterized in that said through hole is at least one of a circular hole (41), a kidney-shaped hole or a strip-shaped hole (42).