CN215144495U

CN215144495U - High-efficiency core shooter

Info

Publication number: CN215144495U
Application number: CN202121196231.6U
Authority: CN
Inventors: 孔垂玉; 孔垂颖; 徐文熹
Original assignee: Shanxi Yongnai Electric Co ltd
Current assignee: Shanxi Yongnai Electric Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-12-14
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses a high-efficiency core shooter, which comprises a frame, a sand shooting component and a mould component, wherein the frame is provided with a material carrying plate, a left support plate and a right support plate which are symmetrically arranged, a guide pillar is fixedly connected between the left support plate and the right support plate, and the sand shooting component is fixed on the frame; the sand shooting assembly comprises a sand storage box and a sand shooting air pump, a partition plate is arranged in the sand storage box and divides the sand storage box into a left sand storage box and a right sand storage box, the side wall of the left sand storage box and the side wall of the right sand storage box are respectively connected with a sand shooting air pump tee joint through a first pipeline and a second pipeline, a first electromagnetic valve is arranged on the first pipeline, a second electromagnetic valve is arranged on the second pipeline, a left conveying pipeline is fixedly connected in the left sand storage box in a perpendicular mode, and a right conveying pipeline is fixedly connected in the right sand storage box in a perpendicular mode. This high efficiency core shooter production efficiency is high, the reliability is high, and the operator is got the material time and is sufficient, gets the material security height.

Description

High-efficiency core shooter

Technical Field

The utility model belongs to the technical field of core shooting machine technique and specifically relates to indicate a high efficiency core shooting machine.

Background

The core shooter adopts precoated sand to make cores, and is suitable for both hot core boxes and cold core boxes. The surface of the coated sand is coated with a layer of molding sand or core sand of solid resin film before molding. There are two film-coating processes of cold method and hot method: dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the hot method is that sand is preheated to a certain temperature, resin is added to melt the sand, the resin is stirred to coat the surface of the sand, urotropine aqueous solution and lubricant are added, and the coated sand is obtained after cooling, crushing and screening, and is used for steel casting and iron casting. The core shooter is widely applied to the casting industry, and a core manufactured by the core shooter has accurate size and smooth surface. The core shooter has the working principle that a core-sand mixture taking liquid or solid thermosetting resin as a binder is shot into a heated core box, a sand core is preheated in the core box and quickly hardened to a certain thickness and then taken out, and a high-quality sand core finished product with a smooth surface and an accurate size is formed. At present, a precoated sand core shooter in the market is produced by using one set of mold usually when in work, when a product is taken, the mold is always kept open, next production can be carried out after the material taking is finished, the production is interrupted, potential safety hazards exist in the material taking in the mold, the production rhythm is unreasonable, and the production efficiency of the precoated sand core shooter is low. Application number is 201910180275.0's utility model patent discloses a serialization production type tectorial membrane sand core shooting machine, this patent realize supporting automatically the product and shift through setting up rotatory supporting component, and then realize the serialization production of tectorial membrane sand core shooting machine. But the tectorial membrane sand is when pouring into and piece together the mould subassembly, and the pay-off passageway on the pay-off ball easily spills or glues glutinous tectorial membrane sand with pay-off hole intercommunication department, and easy wearing and tearing when causing the pay-off ball to slide in the spout of fixing a position, owing to need take off the product that has processed earlier from piecing together the mould subassembly, the product could utilize the rotation of rotation support assembly to get into production next time, so practical production efficiency promotes less.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high efficiency core shooter, this high efficiency core shooter production efficiency is high, the reliability is high, and the operator gets the material time sufficient, gets the material security height.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a high-efficiency core shooter comprises a rack, a sand shooting assembly and a mould assembly, wherein the rack is provided with a material carrying plate, a left supporting plate and a right supporting plate which are symmetrically arranged, a guide pillar is fixedly connected between the left supporting plate and the right supporting plate, and the sand shooting assembly is fixed on the rack; the sand shooting assembly comprises a sand storage box and a sand shooting air pump, a partition plate is arranged in the sand storage box and divides the sand storage box into a left sand storage box and a right sand storage box which are closed, the side wall of the left sand storage box and the side wall of the right sand storage box are respectively connected with a sand shooting air pump tee joint through a first pipeline and a second pipeline, a first electromagnetic valve is arranged on the first pipeline, a second electromagnetic valve is arranged on the second pipeline, a left conveying pipeline is vertically and fixedly connected in the left sand storage box, and a right conveying pipeline is vertically and fixedly connected in the right sand storage box; the die assembly comprises a movable die plate, a left fixed die plate and a right fixed die plate, wherein the left fixed die plate is positioned on the inner side of the left supporting plate, the right fixed die plate is positioned on the inner side of the right supporting plate, and the movable die plate is arranged between the left fixed die plate and the right fixed die plate and can move left and right on the guide pillar; the material loading plate is provided with a left sand inlet channel and a right sand inlet channel, the left sand inlet channel is connected with the left conveying pipe, and the right sand inlet channel is connected with the right conveying pipe.

Preferably, a left pressure relief electromagnetic valve and a detachable left material injection cover are arranged at the top of the left sand storage box, a transparent left observation window is arranged on the side wall of the left sand storage box, a right pressure relief electromagnetic valve and a detachable right material injection cover are arranged at the top of the right sand storage box, and a transparent right observation window is arranged on the side wall of the right sand storage box.

Preferably, a left pouring opening formed after the movable template and the left fixed template are assembled is communicated with the left sand inlet channel, and a right pouring opening formed after the movable template and the right fixed template are assembled is communicated with the right sand inlet channel.

Preferably, a left suck-back prevention one-way valve is arranged between the first electromagnetic valve and the left sand storage box, and a right suck-back prevention one-way valve is arranged between the second electromagnetic valve and the right sand storage box.

Further preferably, the movable die plate is driven by an air cylinder system to slide left and right on the guide posts.

In the technical scheme, the movable template slides left and right on the guide post under the driving of the air cylinder system to realize the die assembly of the movable template and the left fixed template or the right fixed template; the sand storage box is divided into a left sand storage box and a right sand storage box which are closed by arranging a partition plate in the sand storage box, the side wall of the left sand storage box and the side wall of the right sand storage box are respectively connected with a sand shooting air pump tee joint through a first pipeline and a second pipeline, so that the left sand storage box and the right sand storage box can be respectively and independently controlled to independently work only by controlling the opening and closing of a first electromagnetic valve and a second electromagnetic valve, and the left sand inlet channel is connected with the left conveying pipe and the right sand inlet channel is connected with the right conveying pipe, so that the sand shooting air pump can independently complete sand injection of the corresponding side template through the corresponding conveying pipe; the sand inlet channel is fixedly connected with the conveying pipe, so that abrasion and shutdown caused by precoated sand leakage are avoided, and the reliability is greatly improved; and the product is taken off from the mould subassembly and can go on simultaneously with the production of next product, gives the operator sufficient material time of getting, gets the material security and improves greatly.

Drawings

Fig. 1 is a schematic view of the high efficiency core shooter.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1, the high-efficiency core shooter comprises a frame 10, a sand shooting assembly 20 and a mold assembly 30, wherein a material loading plate 40, a left support plate 50 and a right support plate 60 which are symmetrically arranged are arranged on the frame 10, and a guide pillar 70 is fixedly connected between the left support plate 50 and the right support plate 60; the sand shooting assembly 20 is fixed on the frame 10, the sand shooting assembly 20 comprises a sand storage box 21 and a sand shooting air pump 22, a partition plate 24 is arranged in the sand storage box 21, the partition plate 24 divides the sand storage box 21 into a left sand storage box 211 and a right sand storage box 212 which are closed, the side wall of the left sand storage box 211 and the side wall of the right sand storage box 212 are respectively connected with the sand shooting air pump 22 through a first pipeline 241 and a second pipeline 242 in a three-way manner, a first electromagnetic valve 251 is arranged on the first pipeline 241, a second electromagnetic valve 252 is arranged on the second pipeline 242, and the left sand storage box 211 and the right sand storage box 212 can be respectively and independently controlled to work independently by controlling the first electromagnetic valve 251 and the second electromagnetic valve 252 to be opened and closed; a left material conveying pipe 261 is vertically and fixedly connected in the left sand storage box 211, a right material conveying pipe 262 is vertically and fixedly connected in the right sand storage box 212, and whether the material conveying pipe on the corresponding side is discharged or not can be controlled by controlling the opening and closing of a first electromagnetic valve 251 and a second electromagnetic valve 252; the mold assembly 30 comprises a movable mold plate 31, a left fixed mold plate 32 and a right fixed mold plate 33, wherein the left fixed mold plate 32 is positioned on the inner side of the left support plate 50, the right fixed mold plate 33 is positioned on the inner side of the right support plate 60, the movable mold plate 31 is arranged between the left fixed mold plate 32 and the right fixed mold plate 33 and is driven by an air cylinder system to move left and right on the guide pillar 70, and the mold closing of the movable mold plate 31 and the left fixed mold plate 32 or the mold closing of the movable mold plate 31 and the right fixed mold plate 33 is realized; a left sand inlet channel 41 and a right sand inlet channel 42 are arranged on the material carrying plate 40, the left sand inlet channel 41 is connected with a left conveying pipe 261, the right sand inlet channel 42 is connected with a right conveying pipe 262, and a left pouring opening formed after the movable template 31 and the left fixed template 32 are assembled is communicated with the left sand inlet channel 41, so that sand is poured into the movable template 31 and the left fixed template 32; a right pouring opening formed after the movable mould plate 31 and the right fixed mould plate 33 are matched is communicated with the right sand inlet channel 42, so that sand injection of the movable mould plate 31 and the right fixed mould plate 33 is realized, and sand injection of the corresponding side mould plate can be completed by one sand injection air pump 22 through the corresponding material conveying pipe independently from left to right; in addition, the sand inlet channel is fixedly connected with the conveying pipe, so that abrasion and shutdown caused by precoated sand leakage are avoided, and the reliability is greatly improved. In this embodiment, a left pressure relief solenoid valve 271 and a detachable left material injection cover 281 are arranged on the top of the left sand storage box 211 to facilitate the addition of precoated sand into the left sand storage box 211, a transparent left observation window 291 is arranged on the side wall of the left sand storage box 211 to observe the sand condition in the left sand storage box 211, a right pressure relief solenoid valve 272 and a detachable right material injection cover 282 are arranged on the top of the right sand storage box 212, and a transparent right observation window 292 is arranged on the side wall of the right sand storage box 212 to observe the sand condition in the right sand storage box 212.

In a preferred embodiment, a left suck-back prevention check valve 81 is arranged between the first electromagnetic valve 251 and the left sand storage box 211, the conducting direction of the left suck-back prevention check valve 81 is directed to the left sand storage box 211 by the sand shooting air pump 22, a right suck-back prevention check valve 82 is arranged between the second electromagnetic valve 252 and the right sand storage box 212, and the conducting direction of the right suck-back prevention check valve 82 is directed to the right sand storage box 212 by the sand shooting air pump 22, so that the coated sand is prevented from being sucked back into the first pipeline 241 and the second pipeline 242.

In the technical scheme, during work, the movable template 31 is driven by the air cylinder system to slide leftwards on the guide pillar 70, so that the movable template 31 and the left fixed template 32 are matched, and a left pouring opening formed after the movable template 31 and the left fixed template 32 are matched is communicated with the left sand inlet channel 41; opening a first electromagnetic valve 251, closing a second electromagnetic valve 252, starting a sand shooting air pump 22, enabling a first pipeline 241 to be communicated with the sand shooting air pump 22, pressing the precoated sand in the left sand storage box 211 into a mold cavity formed by closing the movable mold plate 31 and the left fixed mold plate 32 through a left feed pipe 261, a left sand inlet channel 41 and a left sprue gate, opening a left pressure relief electromagnetic valve 271 after the precoated sand is heated and cured in the mold cavity, and enabling redundant precoated sand in the mold cavity to flow back into the left sand storage box 211; the movable template 31 slides rightwards on the guide post 70 under the driving of an air cylinder system, the movable template 31 and the left fixed template 32 are demolded, the movable template 31 and the right fixed template 33 are assembled, a right pouring opening formed after the movable template 31 and the right fixed template 33 are assembled is communicated with the right sand feeding channel 42, the first electromagnetic valve 251 is closed, the second electromagnetic valve 252 is opened, the sand shooting air pump 22 is started, the second pipeline 242 is communicated with the sand shooting air pump 22, the production of the next product is realized, an operator takes the product off from the left mold assembly by utilizing the time interval for producing the next product and places the product on the material carrying plate 40, sufficient material taking time is provided for the operator, and the material taking safety is improved; the left sand storage box 211 and the right sand storage box 212 can be respectively and independently controlled to independently work only by controlling the first electromagnetic valve 251 and the second electromagnetic valve 252 to be opened and closed, so that the sand injection of the corresponding side template can be completed by one sand shooting air pump 22 through the corresponding conveying pipe independently from left to right, the sand inlet channel is fixedly connected with the conveying pipe, the precoated sand cannot leak, and the reliability is high; the product is taken off from the mould subassembly and can be gone on simultaneously with the production of next product, gives the operator sufficient material time of getting, gets the material security and improves greatly, and production efficiency improves greatly simultaneously.

The embodiment is only for the illustration of the concept and implementation of the present invention, and is not limited thereto, and the technical solution without substantial transformation is still within the protection scope under the concept of the present invention.

Claims

1. A high-efficiency core shooter comprises a rack, a sand shooting assembly and a mould assembly, wherein the rack is provided with a material carrying plate, a left supporting plate and a right supporting plate which are symmetrically arranged, a guide pillar is fixedly connected between the left supporting plate and the right supporting plate, and the sand shooting assembly is fixed on the rack; the sand shooting assembly is characterized by comprising a sand storage box and a sand shooting air pump, wherein a partition plate is arranged in the sand storage box and divides the sand storage box into a left sand storage box and a right sand storage box which are closed, the side wall of the left sand storage box and the side wall of the right sand storage box are respectively connected with a sand shooting air pump tee joint through a first pipeline and a second pipeline, a first electromagnetic valve is arranged on the first pipeline, a second electromagnetic valve is arranged on the second pipeline, a left conveying pipeline is vertically and fixedly connected in the left sand storage box, and a right conveying pipeline is vertically and fixedly connected in the right sand storage box; the die assembly comprises a movable die plate, a left fixed die plate and a right fixed die plate, wherein the left fixed die plate is positioned on the inner side of the left supporting plate, the right fixed die plate is positioned on the inner side of the right supporting plate, and the movable die plate is arranged between the left fixed die plate and the right fixed die plate and can move left and right on the guide pillar; the material loading plate is provided with a left sand inlet channel and a right sand inlet channel, the left sand inlet channel is connected with the left conveying pipe, and the right sand inlet channel is connected with the right conveying pipe.

2. The core shooter according to claim 1, characterized in that a left pressure relief solenoid valve and a detachable left feeding cover are arranged on the top of the left sand storage box, a transparent left observation window is arranged on the side wall of the left sand storage box, a right pressure relief solenoid valve and a detachable right feeding cover are arranged on the top of the right sand storage box, and a transparent right observation window is arranged on the side wall of the right sand storage box.

3. The high efficiency core shooter according to claim 2, wherein the left pouring port formed by the movable die plate and the left fixed die plate after being assembled is communicated with the left sand feeding channel, and the right pouring port formed by the movable die plate and the right fixed die plate after being assembled is communicated with the right sand feeding channel.

4. The high efficiency core shooter according to claim 3, characterized in that a left suck back prevention check valve is provided between the first solenoid valve and the left sand storage box, and a right suck back prevention check valve is provided between the second solenoid valve and the right sand storage box.

5. The high efficiency core shooting machine as claimed in claim 1 wherein the moving platen is driven by a cylinder system to slide side to side on guide posts.