阅读说明：本技术 一种铸造消失模木钻头的制作方法及应用 (Manufacturing method and application of cast lost foam wood drill bit ) 是由 袁泉江 李�浩 邓广平 雷中钰 黄冬宁 朱春波 蒋卫 马兴江 黄超 陈章智 雷国 于 2019-09-12 设计创作，主要内容包括：本发明涉及一种铸造模具的技术领域,更具体地说,它涉及一种铸造消失模木钻头的制作方法及应用,其技术方案要点是：硬质木料加工成圆柱,圆柱的一端加工成装夹杆,另一端加工为圆锥,圆锥的顶端加工成球面,且在圆锥的表面等分为四个排屑槽,分割成的四个刀刃粘贴上砂布条,该木钻头与台钻配合使用。本发明具有加工工艺简单、效率高、质量好、降低铸造成本以及减少二次机械加工工序的优点。(The invention relates to the technical field of casting molds, in particular to a manufacturing method and application of a cast lost foam wood drill bit, and the technical scheme is as follows: stereoplasm timber is processed into the cylinder, and cylindrical one end is processed into clamping pole, and the other end is processed into the circular cone, and the top of circular cone is processed into the sphere, and equally divide into four chip grooves on the surface of circular cone, and the emery cloth strip is pasted to four cutting edges of cutting apart into, and this wood drill bit uses with the bench drill cooperation. The invention has the advantages of simple processing technology, high efficiency, good quality, reduced casting cost and reduced secondary machining procedures.)

1. The manufacturing method of the cast lost foam wood drill bit is characterized by comprising the following steps:

(1) firstly, according to the size requirement of a circular hole site to be processed in a drawing, selecting hard wood as a material for manufacturing a wood drill bit, and processing the wood drill bit by using a wood lathe;

(2) turning wood into a cylinder with the diameter of 40mm and the length of 80 mm;

(3) turning a round bar with the diameter of 12mm and the length of 40mm at one end of the cylinder to form a clamping rod;

(4) turning a cone with 8mm taper at the other end of the clamping rod to be used as a cutting edge surface, and setting the length of the cone to be 30 mm;

(5) the top end of the cone is processed into a spherical surface;

(6) the blade surface is evenly divided into four equal parts, and four chip grooves with the depth of 8mm and the width of 10mm are respectively shoveled by a woodworking circular shovel;

(7) semi-resin alumina abrasive cloth is selected and cut into abrasive cloth strips with the length of 85mm and the width of 7mm, and the abrasive cloth strips are adhered to a wood drill bit by glue to serve as four blades, so that the wood drill bit with four chip grooves is manufactured.

2. Use of a cast lost foam wood drill bit, comprising:

(1) firmly clamping a wood drill bit on a bench drill, and adjusting a working platform to fix the drilling depth;

(2) adjusting the position of a working platform above the foam model;

(3) and (5) opening the bench drill, adjusting the proper rotating speed, and feeding and grinding to finish machining.

Technical Field

The invention relates to the technical field of casting molds, in particular to a manufacturing method and application of a cast lost foam wood drill bit.

Background

In a traditional sand casting, a rough blank is manufactured according to a design drawing under a general condition, and then machining is carried out, so that the design requirement is finally met. With the continuous innovation of the casting technology, the traditional sand casting is gradually changed into lost foam casting, and the lost foam casting is cast into a product required by a design drawing as soon as possible. However, the lost foam mold support cannot meet the design requirements for the special-shaped circular hole diameter and various special-shaped casting parts, and secondary machining is still needed.

The design drawing of the existing aluminum casting die spare part of the continuous casting machine has dozens of semicircular apertures, the design requirement is higher, the existing lost foam die manufacturing technology cannot meet the design requirement, and the design requirement can be met only through secondary machining, so that the manufacturing cost of the aluminum casting die is undoubtedly increased, and the improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a manufacturing method and application of a cast lost foam wood drill bit, and the cast lost foam wood drill bit has the advantages of simple processing technology, high efficiency, good quality, reduced casting cost and reduced secondary machining procedures.

The technical purpose of the invention is realized by the following technical scheme: a manufacturing method for casting a lost foam wood drill bit comprises the following steps:

(1) firstly, according to the size requirement of a circular hole site to be processed in a drawing, selecting hard wood as a material for manufacturing a wood drill bit, and processing the wood drill bit by using a wood lathe;

(2) turning wood into a cylinder with the diameter of 40mm and the length of 80 mm;

(3) turning a round bar with the diameter of 12mm and the length of 40mm at one end of the cylinder to form a clamping rod;

(4) turning a cone with 8mm taper at the other end of the clamping rod to be used as a cutting edge surface, and setting the length of the cone to be 30 mm;

(5) the top end of the cone is processed into a spherical surface;

(6) the blade surface is evenly divided into four equal parts, and four chip grooves with the depth of 8mm and the width of 10mm are respectively shoveled by a woodworking circular shovel;

(7) semi-resin alumina abrasive cloth is selected and cut into abrasive cloth strips with the length of 85mm and the width of 7mm, and the abrasive cloth strips are adhered to a wood drill bit by glue to serve as four blades, so that the wood drill bit with four chip grooves is manufactured.

The invention also provides an application of the cast lost foam wood drill bit, which comprises the following steps:

(1) firmly clamping a wood drill bit on a bench drill, and adjusting a working platform to fix the drilling depth;

(2) adjusting the position of a working platform above the foam model;

(3) and (5) opening the bench drill, adjusting the proper rotating speed, and feeding and grinding to finish machining.

Through the technical scheme, the wood drill bit is matched with the bench drill for use, the round hole can be machined and formed at one time, the machined round hole is high in precision, the size is easy to guarantee, the quality is good, the scale of the plane of the bench drill is utilized, the relative position between the round holes can be accurately controlled, the round hole can be clamped and completed at one time, the design requirements are difficult to guarantee compared with the prior art that the round hole can be only scribed, manufactured in a split mode and polished, the process is simple, the operation is simple and convenient, the round hole is manufactured and completed on an evaporative pattern die, the pouring amount of molten steel is reduced, the casting cost is reduced, and the secondary machining is reduced due to the fact that the round hole is formed in one step in the casting process, the machining cost is zero, the production cost is greatly reduced, the production period is.

In conclusion, the invention has the following beneficial effects:

firstly, the wood drill bit is matched with a bench drill for use, and the circular hole diameter is formed through primary grinding, so that the secondary machining procedures are reduced, and the working efficiency is improved;

secondly, the structure of the wood drill bit is simple and reliable, the operation is convenient, and the manufacturing cost is low.

Drawings

FIG. 1 is a front view of a wood drill bit according to the present embodiment;

fig. 2 is a side view of the wood drill of the present embodiment.

In the figure: 1. installing a clamping rod; 2. a chip groove; 3. a blade face; 4. an abrasive cloth strip.

Detailed Description

The invention is described in detail below with reference to the figures and examples.

As shown in fig. 1 and 2, a method for manufacturing a cast lost foam wood drill bit includes the following steps:

(1) firstly, according to the size requirement of a circular hole site to be processed in a drawing, selecting hard wood as a material for manufacturing a wood drill bit, and processing the wood drill bit by using a wood lathe;

(2) turning wood into a cylinder with the diameter of 40mm and the length of 80 mm;

(3) turning a round bar with the diameter of 12mm and the length of 40mm at one end of a cylinder to form a clamping rod 1;

(4) turning a cone with 8mm taper at the other end of the clamping rod 1 to be used as a cutting edge surface 3, and setting the length of the cone to be 30 mm;

(5) the top end of the cone is processed into a spherical surface;

(6) the blade surface 3 is evenly divided into four equal parts, and four chip grooves 2 with the depth of 8mm and the width of 10mm are respectively shoveled by a woodworking circular shovel;

(7) semi-resin alumina abrasive cloth is selected and cut into abrasive cloth strips 4 with the length of 85mm and the width of 7mm, the abrasive cloth strips 4 are pasted with glue to serve as four blades, and a wood drill bit with four chip grooves 2 is manufactured.

The invention also provides an application of the cast lost foam wood drill bit, which comprises the following steps:

(1) firmly clamping a wood drill bit on a bench drill, and adjusting a working platform to fix the drilling depth;

(2) adjusting the position of a working platform above the foam model;

(3) and (5) opening the bench drill, adjusting the proper rotating speed, and feeding and grinding to finish machining.

The wood drill bit is matched with the bench drill for use, the round holes can be machined and formed at one time, the machined round holes are high in precision, the size is easy to guarantee, the quality is good, the relative positions of the round holes can be accurately controlled by utilizing the plane scales of the bench drill, the round holes can be clamped and finished at one time, compared with the prior art, the round holes can be scribed, manufactured in a slicing mode and polished again, the design requirement is difficult to guarantee, the process is simple, the operation is simple and convenient, the round holes are manufactured and finished on the lost foam mold, the pouring amount of molten steel is reduced, the casting cost is reduced, and the round holes are formed at one time in the casting process, so that the secondary machining is reduced, the machining cost is zero, the production cost is greatly reduced, the production period is shortened, and the.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.