JP3062658B1 - Refillable wax processing machine - Google Patents

Abstract

Kind Code: A1 Provided is a refillable brazing machine capable of replenishing a desired amount of brazing to a processing chip at a desired time and changing the type of brazing to be used easily and economically. SOLUTION: A metal processing tip is protruded from one end of a heat insulating handle, and an arm for holding a wax stick removably at the tip of the handle is attached to and detached from the processing tip at the tip end surface of the wax stick. The arm is constantly displaced by a spring so that the wax stick is at a position separated from the processing chip, and the wax stick is pressed by pressing the arm against the spring. A brazing replenishing type brazing machine comprising a heating means for bringing the machined chip into contact with the machined chip and applying heat to the machined chip.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brazing machine used for restoring a brazing mold such as a wax crown in a dental technician. The present invention relates to a refillable brazing machine capable of continuing processing such as restoration.

[0002]

2. Description of the Related Art Conventionally, as a wax supply type brazing machine of this type, a processing tip with a tank, which is formed by projecting a processing tip from one end of a tank filled with wax through a wax supply hole, is attached to a handle. Further, there is known a structure in which a processing tip is always electrically heated to keep a brazing state in a molten state.

However, in the above-mentioned conventional apparatus, in order to replenish molten chips from the tank to the processing chips, the processing chips must be inclined downward, and the amount of replenishment of the wax varies depending on the degree of the inclination angle. However, in the actual machining operation, there is a disadvantage that a high degree of skill is required to proceed with paying attention to both the machining operation using the machining tip and the inclination angle of the wax supply, and the type of the brazing used is When changing, it takes time to replace the wax,
In order to avoid this, an uneconomic measure is required to prepare a processing tip with a tank into which different kinds of wax are injected in advance.

[0004]

SUMMARY OF THE INVENTION According to the first and second aspects of the present invention, a desired amount of brazing is replenished at a desired time irrespective of the inclination angle of a machined chip, and the type of brazing used can be changed. The task is to do it easily and economically.

Therefore, the invention of claim 1 of the present application provides a base of an elastic arm which has a metal processing tip protruding at one end of a heat insulating handle, and which holds a wax stick at its tip in a detachable manner.
At the same time , fix the end so that the tip of the brazing stick is always separated from the processing tip.
Pressing the elastic arm against its elasticity makes the filter
At the position where the tip of the stick
The present invention proposes a brazing replenishing type brazing machine which has a heating means for making the working tip freely movable and for applying heat to the machining tip.

[0006] The invention according to claim 2 of the present application is characterized in that one end of the heat insulating handle is provided.
Metalworking tip projecting from the, in the handle, wax stearyl the tip
Arm that detachably holds the
The tip of the hook can swing freely in the direction to contact and separate from the above processing tip.
Support the above arm with a spring, the above wax stick
Make sure that the tip is always separated from the above processing tip
While holding elastically, the arm is pressed against the spring.
Press the tip of the wax stick to
And apply heat to the above processed chip
Refillable brazing machine equipped with heating means for
suggest.

According to the first and second aspects of the present invention,
The brazing is applied to the processed chip heated by the heating means.
When the stick is touched by pressing, the wax
The tip of the tip melts and supplies molten wax to the processing chip
Will be done.

[0008]

In the structure of the present invention for supporting the arm so as to be displaceable so that the tip end surface of the brazing stick comes into contact with and separate from the processing tip, the arm made of an elastic material is elastically moved toward and away from the arm. One that supports the arm made of an elastic material and one that supports the arm made of a rigid material so that it can swing and displace so as to be in contact with and separate from the above-mentioned ones are included.

The "heating means" includes resistance heating,
Dielectric heating, induction electric heating device, such as heating, by connecting to the fabricated chip in addition to what is always heated to the working tip, gas, leave installed burner such as petroleum, the machining chips in contact with the flames when needed What is heated by heating is used.

Further, the above-mentioned "wax melting pallet portion" includes one having a flat surface, one having a concave surface, one having a concave curved surface, one having a curved surface, and the like. Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In FIGS.
A copper electric heating rod (2) around which a nichrome wire coil is wound is provided inside a tip of the handle, and the tip of the electric heating rod (2) is protruded from the tip of the handle (1). ) Is detachably fitted, and the electric cord (4) connected to the nichrome wire is connected to the voltage regulator (6) via the connector (5).

An elastic arm (7) made of a thin strip-shaped thin steel plate is provided on a handle (1) of a processing machine provided with a heating means as described above, and an arm is provided with respect to a diameter extension line of the handle (1) in a cross section. (7) With the plate surface oriented at a right angle, the handle (1) is fixed to the rear end of the arm (7) by the screw (8) at the base end thereof, and the arm (7) has 1) is extended to a position corresponding to the processing tip (3) at a slight inclination angle with respect to 1), a clip (9) is attached to the extension end, and a wax stick (10) is attached to the clip (9).
Is oriented almost perpendicularly to the processing chip (3),
The elastic arm (7) which is detachably held by the elastic arm (7)
The pattern (1) is separated from the position where it contacts the pattern (1) by an angle of inclination.
When elastically displaced to a position separated from the processing tip (3), the tip of the wax stick (10) comes into contact with and separates from the processing tip (3) almost vertically.

In this case, the elastic arm (7) has a wax stick (1) protruding from the clip (9) as appropriate.
0) is always tilted by its own elasticity so that it is at a position slightly apart from the processing tip (3), but the elastic arm (7) resists the elasticity to handle the handle (1). When pressed, the wax stick (10) is in a positional relationship in contact with the processing tip (3).

The clip (9) is such that a pair of curved holding pieces (11), (11) elastically pressed by a spring can be opened and closed by pressing the knobs (12), (12). One of the knobs (12) is fixed to the tip of the arm (7).

The wax stick (10) is formed by shaping a wax into a round bar having an appropriate length, which is elastically held between the holding pieces (11) and (11) of the clip.

As shown in FIG. 3, the processing tip (3) has, for example, a flat surface having an area which is appropriately larger than the tip end surface of the wax stick (10) at an intermediate portion of a spatula-shaped tip body (3 '). A round plate-shaped brazing fusion pallet (13) having a surface is formed.

The rear end of the machined chip body (3 ') has a cylindrical fitting opening (15) having a plurality of cut grooves (15) to be detachably fitted to the tip of the electric heating rod (2). 1
A stepped backflow stopper (16) is formed at the connection between the processed chip (3) and the larger fitting opening (14).

The operation of the above example will now be described. The power switch of the voltage regulator (6) is turned on to heat the electric heating rod (2) to a desired temperature. While holding the handle (1), the elastic arm (7) in the inclined position is pressed with a finger to bring the tip end surface of the wax stick (10) into contact with the wax melting pallet (13) of the heated processing tip (3). Due to the above-mentioned contact, uniform brazing is performed on the entire tip surface of the brazing stick (10), whereby a desired amount of brazing is quickly melted from the brazing stick (10), and the molten brazing is spread over a wide pallet. It is safely reserved at (13).

When the required amount of the molten solder has been retained, the pressing of the finger on the arm (7) is released, and the arm (7) is elastically returned to the original inclined position. Separate from (3).

The tip of the processing tip (3) is appropriately inclined downward, and the molten wax of the pallet (13) is caused to flow down to the tip of the processing tip (3) to repair a wax mold such as a wax crown. When the molten wax in the pallet portion (13) is consumed, the operation of bringing the wax stick (10) into contact with the pallet portion (13) is repeated to sequentially supply the wax.

Another embodiment shown in FIG. 4 is a rigid arm (7
The bracket (1) protruding from the handle (1a) at the base end of (a)
7a) by means of a shaft (18a) so as to be swingably displaceable, and by bending the leaf spring (19a) with the handle (1a) and the arm (7).
During a), the arm (7a) is fixed to the handle (1a) by the screw (20a) so that the brazing stick (10a) at the tip is always separated from the processing tip (3a). It is elastically held, and other structures are substantially the same as those in FIGS.

FIG. 5 shows still another embodiment in which the gas burner (2b) is used as a heating means in the processing machine of FIG.
Accordingly, the fitting opening (14b) of the processing chip (3b) is detachably fitted to the processing chip mounting pin (21b) protruding from the tip of the handle (1b), and the processing chip (3b) is inserted as shown in the figure. In order to retract the wax stick (10b) away from the flame when coming into contact with the flame, the rigid arm (7b) that has been swung upward is stopped by a stopper (22b) projecting from the bracket (17b) as shown in the figure. It is held in a position slightly inclined backward, and the other structure is substantially the same as that of FIG.

Another embodiment shown in FIG. 6 is a processing machine shown in FIGS. 1 to 3, in which a gas burner is used as a heating means, and a processing chip mounting pin (not shown) protruding from the tip of the handle (1c). The resilient arm (7c) is provided so that the fitting opening of the processing tip (3c) is removably fitted to the processing chip (3c) and the wax stick (10c) is retracted to a position away from the flame when the processing tip (3c) comes into contact with the flame. Is pivotally supported by a pin with a head (8c), and the wax stick (10c) at the tip is pivoted from a position above the processing tip (3c) to a position appropriately shifted laterally as shown in the figure. The other structures are substantially the same as those in FIGS.

The machined tip (3d) shown in FIG. 7 has a sub-tip whose tip is appropriately shortened from the lower part of the base (25d) of the tip body (3'd), whose tip is tapered slightly upward. A piece (23d) is extended substantially parallel to the chip body with a small gap therebetween, and a molten brazing retaining groove (24d) is formed between the chip body (3'd) and the sub piece (23d). The tip body (3'd) supplies the molten wax of the pallet (13d) to the wax mold with the tip body of the tip body being inclined downward to perform brazing or to correct the shape of the wax mold. The tip lower surface of the tip body (3′d) is applied to the wax pattern, and excess wax of the wax pattern is sucked into the retaining groove (24d) with the tip inclined upward.

The processing tip (3e) shown in FIG. 8 forms a brush-like tip body (3'e) by bundling and implanting a large number of copper wires at the tip of a cylindrical metal base (25e). Then, the wax melting pallet (13) is attached to the base (25e).
e), the wax melted in the pallet portion (13e) can be sucked and stored in a large amount by the brush-like tip body (3'e), so that the work such as raising the wax can be continued. In addition to the above, the tip of the tip body (3'e) can also be used to raise the details. The outer peripheral surface near the base of the brush-shaped tip body (3'e) may be used as a pallet portion, and a wax stick may be brought into direct contact with the pallet portion. In each of the embodiments shown in FIGS. 1 to 6, the processing chip is not limited to the above example, but may have various structures.

[0027]

According to the brazing refillable brazing machine of the first and second aspects of the present invention, the desired amount of melting is achieved by bringing the brazing stick into contact with the processing chip heated by the heating means by pushing the arm. The wax can be replenished when desired, and the type of wax used can be easily and economically changed by replacing the desired type of wax stick at the end of the arm.

[0028]

[Brief description of the drawings]

FIG. 1 is a side view of a wax supply type brazing machine.

FIG. 2 is a plan view of the same.

FIG. 3 is an enlarged perspective view of a processing chip.

FIG. 4 is a partially omitted side view of another embodiment.

FIG. 5 is a side view of still another embodiment.

FIG. 6 is a plan view of another embodiment.

FIG. 7 is an enlarged perspective view of another example of the processing chip.

FIG. 8 is an enlarged perspective view of still another example of the processing chip.

[Explanation of symbols]

1, 1a, 1b, 1c Handle 2, 2a Electric heating rod 2b Gas burner 3, 3a, 3b, 3c, 3d, 3e Processing chip 7, 7a, 7b, 7c, 7d Arm 10, 10a, 10b, 10c Wax stick 13, 13a, 13b, 13c, 13d, 13e Wax melting pallet 19a, 19b Leaf spring

Claims (2)

(57) [Claims] 1. A metal processing tip protrudes from one end of a heat-insulating handle, and a wax stick is detachably held at the tip of the handle.
Fix the base end of the elastic arm so that the tip of the brazing stick is always at a position separated from the processing tip .
And pushing the elastic arm against its elasticity.
The tip of the wax stick contacts the processing tip
And a heating means for applying heat to the processing chip, wherein the heating chip is provided with a heating means for applying heat to the processing chip. 2. A metal processing tip is attached to one end of a heat-insulating handle.
Protruding and holding the wax stick on the handle detachably at the tip
Arm with the tip of the wax stick on the above processing tip
The arm is swingably supported in the direction of contact and separation.
At the time, it is elastic so that
Holding and pushing the arm against the spring
The tip of the wax stick contacts the processing tip
So as to touch, a heating means for applying heat to the working tip
Also, a wax supply type wax processing machine.