JP3563519B2 - Manufacturing method of hammer with nail - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for manufacturing a hammer with nails.
[0002]
Problems to be solved by the prior art and the invention
2. Description of the Related Art Conventionally, there has been proposed a hammer with a nail puller in which a grip portion is connected to a head portion having a nail punching portion at one end and a hitting portion at the other end, and a grip portion is provided at right angles to the head portion.
[0003]
By the way, the head part of this conventionally proposed hammer with nail puller has a drawback that the hitting part and the nail puller part are integrated and manufactured by forging, so that the manufacturing is troublesome and the manufacturing cost is high. .
[0004]
The present invention provides a method of manufacturing a hammer with nails that solves such a problem.
[0005]
[Means for Solving the Problems]
The gist of the present invention will be described with reference to the accompanying drawings.
[0006]
A method for manufacturing a hammer with nails, comprising a head portion 3 having a nail puncher 2 at one end and a striker 1 at the other end, and a grip portion 4 connected to the head portion 3 at a right angle thereto. A substrate 5 having a rectangular width detail 5a and a rectangular wide portion 5b connected to each other is punched out from a plate material by a punching process, and then the substrate 5 is drawn in a width direction by a drawing process. moderately curved form in the longitudinal direction position was HabaHoso portion 5a of the substrate 5 so as to form moderately curved in substantially U-shaped cross section, followed by, wide width of the substrate 5 both sides of this position was HabaHoso portion 5a of the substrate 5 to that of the formed cross-section substantially U-shaped in the with the place holes drilled in step a position was part 5b forming the through hole 5c the part top surface by cutting by a cutting process in the longitudinal direction to form the tapered surface 5d, then, HabaHoso of the substrate 5 Forming the fitting portion 5f rounded by processes squeezed position was wide width portion 5b of the substrate 5 to form a 5a and was the location of the group V-shaped claw feature 5e by a cutting process to end In the meantime, the nailed body 2 is manufactured. On the other hand, the punched body 1 having the fitting portion 1b to be fitted into the fitted portion 5f of the nailed body 2 formed at the base end and the hitting portion 1a formed at the tip is formed by a cutting process. Then, a beating body 1 in which a through hole 1c is formed in the fitting portion 1b by a hole punching process is manufactured, and the fitting portion 1b of the beating body 1 is inserted into the fitted portion 5f of the nailed body 2 to penetrate the beating body 1. insert City as the through hole 5c of the hole 1c and nail pull member 2 matches, the core 7 in case致孔the through hole 1c of the striking body 1 and the through hole 5c of the claw member 2 made in agreement The core member 7 and the outer surface of each of the continuous portions of the core member 7 and the head portion 3 are covered with an appropriate coating material 8. Those relating to the manufacturing method of the hammer with claw, which comprises forming a grip portion 4.
[0007]
Function and effect of the present invention
According to the present invention, a nailed body 2 is formed from a base material 5 obtained from a punching step through a drawing step, a punching step, a cutting step, and a drawing step, while a punched body 1 is formed through a cutting step. 1 and a nail puller 2 are connected to each other to form a head portion 3, and a core 7 is inserted and fixed to the head portion 3, and the core 7 and the connecting portion between the core 7 and the head 3 are respectively provided. The outer surface is coated with a suitable coating material 8 to form the gripping portion 4 to manufacture a hammer with nails.
[0008]
Since the present invention employs the above-described manufacturing method, it is easy to manufacture and excellent in mass productivity, and furthermore, an innovative hammer with a nail remover, which can be easily achieved in which the weight of the head portion 3 can be easily reduced. Production method.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
The drawings illustrate one embodiment of the present invention and will be described below.
[0010]
As shown in FIGS. 1, 2, and 3, the nailed body 2 forms a base material 5 having a rectangular wide portion 5a and a rectangular wide portion 5b connected by a punching process from an appropriate steel member. Subsequently, the substrate 5 is appropriately curved in the width direction by a drawing process to form a substantially U-shaped cross section, and the position of the width detail 5a of the substrate 5 is appropriately curved in the length direction. Then, a through-hole 5c is formed by a perforation process at an appropriate position at the position of the wide portion 5b of the base material 5, and the U-shaped cross section formed at the position of the width detail 5a of the base material 5 is formed. The top surfaces of both sides of the object are cut in the length direction by a cutting process (milling process) to form a tapered surface 5d. Subsequently, a V-shape is formed on the base end of the base material 5 at the position of the width detail 5a by a cutting process. A nail-pulling portion 5e is formed, and the position of the wide portion 5b of the base material 5 is rounded by a drawing process. It is intended to manufacture by forming to be fitting portion 5f. Incidentally, the end of the nail removing portion 5e is appropriately subjected to a finishing cutting step.
[0011]
Reference numeral 10 denotes a stop.
[0012]
As shown in FIG. 4, the beating body 1 has a fitting portion 1b to be fitted into the fitted portion 5f of the nail puller 2 formed at a base end and a beating portion 1a formed at a tip end, and is formed by a cutting process. A through hole 1c is formed in the fitting portion 1b of the hit body 1 by a hole making process.
[0013]
Reference numeral 9 denotes a groove portion for strengthening the integration with the covering material 8 when the grip portion 4 described later is provided.
[0014]
When connecting the nailed body 2 and the beating body 1 thus manufactured, the fitting portion 1b of the beating body 1 is fitted to the fitted portion 5f of the nailed body 2 as shown in FIGS. The through-hole 1c and the through-hole 5c are inserted so as to match each other, and the core 7 is passed through the matching hole, and the core 7 is fixed by the stoppers 6, 10, and this is put into a mold and put into a synthetic resin member. (For example, a polypropylene resin) is supplied to form the grip portion 4, and a hammer with a nail is formed (insert molding).
[0015]
The grip portion 4 is provided with a non-slip grip 11 formed of a member such as rubber or elastomer.
[0016]
Reference numeral 12 designates a bit formed at the distal end, and is a cap body which is screwed into the proximal end of the grip portion 4.
[0017]
According to the manufacturing method as described above, an expensive forging machine which has been used at the time of manufacturing the head portion 3 according to this type of hammer is no longer necessary, and therefore, the manufacturing cost of the hammer becomes very low. Since the work efficiency is improved, the mass productivity is excellent, and the weight of the head 3 can be easily reduced.
[Brief description of the drawings]
FIG. 1 is an explanatory view of a manufacturing process of the present embodiment.
FIG. 2 is an explanatory view of a manufacturing process of the present embodiment.
FIG. 3 is an explanatory view of a manufacturing process of the present embodiment.
FIG. 4 is an explanatory view of a manufacturing process of the present embodiment.
FIG. 5 is a perspective view of the hammer with nails according to the present embodiment.
FIG. 6 is a cross-sectional view of the hammer with nails according to the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Beating body 1a Beating part 1b Fitting part 1c Through hole 2 Nail punching body 3 Head part 4 Gripping part 5 Base material 5a Rectangular width detail 5b Rectangular wide width part 5c Through hole 5d Tapered surface 5e Nail punching part 5f Fit Part 7 Core material 8 Coating material

Claims (1)

A method for manufacturing a hammer with a nail puncher, comprising a head portion having a nail puncher at one end and a hitter at the other end, and a grip portion connected to the head portion at a right angle to the head portion by a punching process from an appropriate plate material. A base material in which rectangular width details and a rectangular wide portion are continuously formed is punched and formed. Subsequently, the base material is appropriately curved in the width direction by a drawing process to form a substantially U-shaped cross section. the position was HabaHoso portion of the substrate while forming the Jo moderately curved in the lengthwise direction, followed by step drilled hole in place of the position was wide width portion of the base the tapered surface by cutting by HabaHoso section a was the position in to the cutting step in the length direction of the side portions the top surface of one of the formed cross-section substantially U-shaped in the of the substrate to form a through hole formed, subsequently, V-shaped claw feature by a cutting process to the proximal end of position was HabaHoso portion of the substrate Rounded by the process squeezed position was wide width portion of the substrate so as to form to produce a nail pull member to form the fitting portion, while the fitting portion is fitted into the fitting portion of the claw member A beating body formed at the base end and having a beating part formed at the tip is formed by a cutting process, and a beating body having a through hole formed at the fitting part by a hole making step is manufactured. to be fitting portion of the body, inserted City to meet and the through hole of the through hole and nail pull of該殴striking body, if formed by the through-hole of the striking bodies meet and the through hole of the claw member致孔Characterized in that a gripping portion is formed by inserting and fixing a core material to an outer surface of the core material and an outer surface of each of a continuous portion of the core material and the head portion, and forming a gripping portion. Manufacturing method.

Images