CN110666142A - Cutting mechanism for casting head of casting valve - Google Patents

Cutting mechanism for casting head of casting valve Download PDF

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Publication number
CN110666142A
CN110666142A CN201910900196.2A CN201910900196A CN110666142A CN 110666142 A CN110666142 A CN 110666142A CN 201910900196 A CN201910900196 A CN 201910900196A CN 110666142 A CN110666142 A CN 110666142A
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CN
China
Prior art keywords
casting
head
supporting cylinder
cutter
supporting
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Granted
Application number
CN201910900196.2A
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Chinese (zh)
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CN110666142B (en
Inventor
贾光辉
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Hanshan County People And Foundry Co Ltd
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Hanshan County People And Foundry Co Ltd
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Priority to CN201910900196.2A priority Critical patent/CN110666142B/en
Publication of CN110666142A publication Critical patent/CN110666142A/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00Cutting-off surplus material, e.g. gates; Cleaning and working on castings

Abstract

The invention discloses a cutting mechanism for a casting head of a casting valve, which comprises a supporting cylinder body, wherein supporting legs are arranged at the bottom of the supporting cylinder body, a spiral plate is arranged in the supporting cylinder body, sawteeth are arranged at the bottom edge of a cutter head, the vertex angle of the cutter head is connected with a cutter bar, and the cutter bar is sleeved in the spiral plate; the innermost layer of the spiral plate forms a cylindrical cavity structure, the top of the supporting cylinder body is connected with a driving shaft and a motor in a penetrating mode, the lower portion of the driving shaft is connected with a V-shaped rod, and the cutter bar is inserted in the middle of the V-shaped rod in a penetrating mode. The V-shaped rod and the spiral plate are used for controlling the rotation of the cutter bar, the rotation is along the Archimedes spiral precession track, the variable diameter rotation causes the sawtooth of the cutter head to carry out pressurization angle grinding on the casting head, so that the casting head is sawed, the sawing process is quick and effective, the possibility of damaging the surface of a valve casting in the cutting process is avoided, the cut scraps can be wrapped by the supporting legs, the scraps cannot fly around, and the cleaning is convenient.

Description

Cutting mechanism for casting head of casting valve
Technical Field
The invention relates to the technical field of valve casting, in particular to a cutting mechanism for casting gates of casting valves.
Background
The casting process of the valve is generally carried out by ① casting mould, ② melting and pouring of casting metal, ③ casting treatment and inspection, wherein the casting treatment comprises removing the impurities on the surface of the core and the casting, cutting off a casting head, scraping burrs, flashing and the like, heat treatment, shaping, rust prevention treatment, rough machining and the like.
The existing process of casting head cutting generally adopts manual movement or machine tool manual movement to control a saw-toothed disc rotating at a high speed to cut the casting head of a valve casting. However, during cutting, accidental damage to the surface of the casting is easily caused by careless operation, and the prior art does not have cutting protection measures.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a cutting mechanism for a casting head of a casting valve.
In order to achieve the purpose, the invention adopts the following technical scheme:
the cutting mechanism for the casting valve casting head comprises a supporting cylinder body and a cutter head erected at the bottom of the supporting cylinder body, wherein the cutter head is located right below the supporting cylinder body and is of a flat triangular cone structure, a top inclined plane of the cutter head is a smooth and tough surface, sawteeth are arranged on the bottom edge of the cutter head, a cutter bar is fixedly connected to the top angle of the cutter head, and the top end of the cutter bar extends into the supporting cylinder body;
the support leg is arranged at an opening on the bottom surface of the support barrel, the bottom end of the support leg is flush with the bottom surface of the tool bit, a vertical spiral plate is fixedly arranged in the support barrel, a spiral cavity structure is formed by the spiral plate and the inner wall of the support barrel, and the tool bar is sleeved in the spiral cavity structure;
the innermost layer wall of the spiral plate forms a cylindrical cavity structure, the width of the smooth and tough surface of the tool bit is the same as the inner diameter of the cylindrical cavity structure, a driving shaft penetrates through the center of the top surface of the supporting cylinder body, the bottom end of the driving shaft extends into the upper part of the cylindrical cavity structure, the top end of the driving shaft is connected with a motor, and the motor is fixedly connected to the top surface of the supporting cylinder body through a supporting rod;
the lower part of the driving shaft is fixedly sleeved with a V-shaped rod, the cutter bar is inserted in the middle of the V-shaped rod, and the V-shaped rods are distributed along the driving shaft in a central symmetry manner.
Preferably, the supporting legs are of a conical cylinder structure, and the cross sections of the supporting legs are right-angled triangles.
Preferably, the cross section of cutter arbor is trapezoidal arc, and the cutter arbor is laminated with V-arrangement pole and spiral plate slip respectively.
Preferably, the serrations of the cutting head face inwardly of the cylindrical cavity structure.
Compared with the prior art, the invention has the beneficial effects that:
the V-shaped rod and the spiral plate are used for controlling the rotation of the cutter bar, the rotation is along the Archimedes spiral precession track, the variable diameter rotation causes the sawtooth of the cutter head to carry out pressurization angle grinding on the casting head, so that the casting head is sawed, the sawing process is quick and effective, the possibility of damaging the surface of a valve casting in the cutting process is avoided, the cut scraps can be wrapped by the supporting legs, the scraps cannot fly around, and the cleaning is convenient.
Drawings
Fig. 1 is a schematic structural view of a cutting mechanism for a casting type valve gate according to the present invention;
fig. 2 is a plan view showing a screw plate of a cutting mechanism for a casting-type valve gate according to the present invention;
fig. 3 is a perspective view showing a screw plate of a cutting mechanism for a casting-type valve gate according to the present invention;
fig. 4 is a perspective view showing a cutter head of a cutting mechanism for a casting-type valve gate according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, the cutting mechanism for the casting gate of the casting valve comprises a supporting cylinder body 1 and a cutter head 2 erected at the bottom of the supporting cylinder body 1, wherein the cutter head 2 is located right below the supporting cylinder body 1, the cutter head 2 is in a flat triangular cone structure, a top inclined plane of the cutter head 2 is a smooth and tough surface, sawteeth 3 are arranged on the bottom edge of the cutter head 2, a cutter bar 4 is fixedly connected to the top angle of the cutter head 2, and the top end of the cutter bar 4 extends into the supporting cylinder body 1; a supporting foot 5 is arranged at an opening on the bottom surface of the supporting cylinder 1, the bottom end of the supporting foot 5 is flush with the bottom surface of the tool bit 2, a vertical spiral plate 6 is fixedly arranged in the supporting cylinder 1, the spiral plate 6 and the inner wall of the supporting cylinder 1 form a spiral cavity structure, and the tool bar 4 is sleeved in the spiral cavity structure; the innermost layer wall of the spiral plate 6 forms a cylindrical cavity structure 7, a driving shaft 8 penetrates through the center of the top surface of the supporting cylinder body 1, the bottom end of the driving shaft 8 extends into the upper part of the cylindrical cavity structure 7, the top end of the driving shaft 8 is connected with a motor 9, and the motor 9 is fixedly connected to the top surface of the supporting cylinder body 1 through a supporting rod 10; the lower part of the driving shaft 8 is fixedly sleeved with a V-shaped rod 11, the cutter bar 4 is inserted in the middle of the V-shaped rod 11, and the V-shaped rods 11 are distributed along the driving shaft 8 in a central symmetry manner.
Referring to fig. 1, the supporting leg 5 is a conical cylinder structure, and the cross section of the supporting leg 5 is a right triangle for wrapping chips generated by cutting below the supporting cylinder 1, so that the supporting leg is convenient to clean.
Referring to fig. 4, cutter arbor 4's cross section is trapezoidal arc, and cutter arbor 4 slides the laminating with V-arrangement pole 11 and spiral plate 6 respectively, avoids cutter arbor 4 rotatory, and inside 3 sawtooth towards drum cavity structure 7 of tool bit 2, guarantee the sawtooth towards inside.
The working process of the invention is as follows: sleeving the cutter bar 4 and the cutter head 2 in the outermost spiral cavity of the spiral plate 6, and sleeving a casting head of a valve casting in the cylindrical cavity structure 7 to enable the supporting leg 5 to be in contact with the surface of the valve casting;
slightly pressurize and support barrel 1, motor 9 is opened, driving shaft 8 drives the rotation of V-arrangement pole 11, make cutter arbor 4 along the spiral plate 6 internal rotation, thereby make each cutter arbor 4 internal contraction be close to each other, and simultaneously, sawtooth 3 of tool bit 2 supports the bottom position of dead head, the internal contraction is rotatory simultaneously, belong to the pressurization angle of dead head and grind the processing, thereby the dead head is amputated fast, and the excision process is to the surface of valve casting damage-free possibility, the piece of excision can be wrapped by supporting legs 5, can not fly to everywhere, be convenient for clear up.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (4)

1. The cutting mechanism for the casting valve casting head comprises a supporting cylinder body (1) and a cutter head (2) erected at the bottom of the supporting cylinder body (1), and is characterized in that the cutter head (2) is located under the supporting cylinder body (1), the cutter head (2) is of a flat triangular cone structure, a top inclined plane of the cutter head (2) is a smooth and tough plane, sawteeth (3) are arranged on the bottom edge of the cutter head (2), a cutter bar (4) is fixedly connected to the top angle position of the cutter head (2), and the top end of the cutter bar (4) extends into the supporting cylinder body (1);
a supporting foot (5) is arranged at an opening of the bottom surface of the supporting cylinder body (1), the bottom end of the supporting foot (5) is flush with the bottom surface of the cutter head (2), a vertical spiral plate (6) is fixedly arranged in the supporting cylinder body (1), the spiral plate (6) and the inner wall of the supporting cylinder body (1) form a spiral cavity structure, and the cutter bar (4) is sleeved in the spiral cavity structure;
the inner-most wall of the spiral plate (6) forms a cylindrical cavity structure (7), a driving shaft (8) penetrates through the center of the top surface of the supporting cylinder body (1), the bottom end of the driving shaft (8) extends into the upper part of the cylindrical cavity structure (7), the top end of the driving shaft (8) is connected with a motor (9), and the motor (9) is fixedly connected to the top surface of the supporting cylinder body (1) through a supporting rod (10);
the lower part of the driving shaft (8) is fixedly sleeved with a V-shaped rod (11), the cutter bar (4) is inserted in the middle of the V-shaped rod (11), and the V-shaped rods (11) are distributed in a central symmetry mode along the driving shaft (8).
2. The mechanism of claim 1, wherein the supporting legs (5) are of a conical cylindrical structure, and the cross section of the supporting legs (5) is of a right triangle shape.
3. The mechanism of claim 1, wherein the cross section of the cutter bar (4) is in a trapezoid shape, and the cutter bar (4) is in sliding fit with the V-shaped rod (11) and the spiral plate (6) respectively.
4. Cutting mechanism for casting valve gates according to claim 1, characterized in that the serrations (3) of the cutting head (2) are directed towards the inside of the cylindrical cavity structure (7).
CN201910900196.2A 2019-09-23 2019-09-23 Cutting mechanism for casting head of casting valve Active CN110666142B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910900196.2A CN110666142B (en) 2019-09-23 2019-09-23 Cutting mechanism for casting head of casting valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910900196.2A CN110666142B (en) 2019-09-23 2019-09-23 Cutting mechanism for casting head of casting valve

Publications (2)

Publication Number Publication Date
CN110666142A true CN110666142A (en) 2020-01-10
CN110666142B CN110666142B (en) 2021-04-27

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1161278A1 (en) * 1984-01-04 1985-06-15 Предприятие П/Я М-5873 Method of working planar surfaces
CN102421574A (en) * 2009-05-09 2012-04-18 范肯-科菲尔有限责任及两合公司 Film peeling method
CN204052956U (en) * 2014-05-28 2014-12-31 山东联诚集团有限公司 A kind of automobile shock ring removes casting dead head and overlap Special compound tool
CN107855590A (en) * 2017-11-28 2018-03-30 江苏天宏自动化科技有限公司 Aluminium knuckle is cut automatically emits machine
EP3369502A1 (en) * 2017-03-03 2018-09-05 Schwäbische Werkzeugmaschinen GmbH Method for turning with two cutter tool and cutting tool therefor
CN108941665A (en) * 2017-05-23 2018-12-07 中国航空工业集团公司西安飞行自动控制研究所 A kind of boring and milling method for cavity plane
CN208467235U (en) * 2018-07-11 2019-02-05 湖北金洋资源股份公司 Casting head of casting device for excising
CN208977862U (en) * 2017-06-02 2019-06-14 Tvi发展生产有限两合公司 Cutter unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1161278A1 (en) * 1984-01-04 1985-06-15 Предприятие П/Я М-5873 Method of working planar surfaces
CN102421574A (en) * 2009-05-09 2012-04-18 范肯-科菲尔有限责任及两合公司 Film peeling method
CN204052956U (en) * 2014-05-28 2014-12-31 山东联诚集团有限公司 A kind of automobile shock ring removes casting dead head and overlap Special compound tool
EP3369502A1 (en) * 2017-03-03 2018-09-05 Schwäbische Werkzeugmaschinen GmbH Method for turning with two cutter tool and cutting tool therefor
CN108941665A (en) * 2017-05-23 2018-12-07 中国航空工业集团公司西安飞行自动控制研究所 A kind of boring and milling method for cavity plane
CN208977862U (en) * 2017-06-02 2019-06-14 Tvi发展生产有限两合公司 Cutter unit
CN107855590A (en) * 2017-11-28 2018-03-30 江苏天宏自动化科技有限公司 Aluminium knuckle is cut automatically emits machine
CN208467235U (en) * 2018-07-11 2019-02-05 湖北金洋资源股份公司 Casting head of casting device for excising

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