JPH0441033A - Key reproducing machine - Google Patents

Abstract

PURPOSE:To obtain the key reproducing machine which is easy to carry, is formable to a small size and is low in production cost by placing a key base material held in parallel with a master key on a die, pressing the individual key punches forming the key peaks of the master key onto a puncher and lowering the puncher. CONSTITUTION:The base material and the master key are crimped and fixed to a key holding means 16 and a latch 31 is shifted forward to adjust the master key and the key base material longitudinally and transversely. The key holding means 16 is shifted forward until the front end of the key base material rides on the die 11. The puncher 14 is thereafter pressed to the valley part of the key peak of the master key and a pressing handle 18 is pressed to form the one key pattern to the key base material by the puncher 14. While the key holding means 16 is laterally moved with respect to a revolving shaft 26, the above-mentioned stage is repeated, by which the key patterns corresponding to the respective key peaks are formed on the key base material.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a duplicate key duplicating machine for duplicating duplicate keys by press processing.

[Conventional technology]

Most conventional duplicate key duplicating machines have a rotating cutter and the cutter moves to follow the original key to be duplicated, forming a key thread on the key base material (blank key). .

[Problems to be Solved by the Invention] Therefore, there is a problem in that the overall size of the device increases, making it inconvenient to carry.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a duplicate key duplicating machine that is easy to carry, can be formed compactly, and is inexpensive to manufacture.

[Means for Solving the Problems] A duplicate key duplicating machine according to claim 1, which meets the above object, includes a puncher that forms individual plucked shapes of keys, a die that pairs with the puncher, and a die that pairs with the puncher. and a key holding means which holds the original key to be duplicated and the key base material to be newly duplicated side by side with a gap therebetween and is movable at least vertically and horizontally.

The duplicate key duplicating machine according to claim 2 is the duplicate key duplicating machine according to claim 1, in which the original key and the key base material are arranged in the puncher movement direction and held between the key holding means, and the original key is The punching position of the key base material arranged at the lower part of the puncher is determined by bringing the formed key thread into contact with the front part of the puncher.

The duplicate key duplicating machine according to claim 3 is the duplicate key duplicating machine according to claim 1 or 2, in which the key holding means simultaneously holds the central fixing member, the upper and lower upper plates, and the lower plate. The clamping state of the original key, which is disposed between the tightening handle, the lower plate that clamps the key base material, and the central fixing member, and which is sandwiched between the upper plate and the fixing member, is checked with the lower plate. An elastic body is arranged to give priority to the clamping state of the key base material clamped between the locking member and the fixing member.

And, the combination I! described in claim 4! The duplicating machine is a duplicate key duplicating machine according to claim 1, 2, or 3,
The driving means includes a pressing handle, and the key holding means is configured to be rotatable with respect to the base end.

(Function) In the duplicate key duplicating machine according to claim 1, the key holding means holds the original key and the key base material side by side, moves them vertically and horizontally, places the key base material on the die, and removes the original key. By pressing the individual pick molds that form the key thread of the key against a puncher and then lowering the puncher using a driving means, a key thread with a shape that approximates the shape of the key thread of the original key is created to the extent that it does not pose any problem in using the key. can be formed on the key base material, and by sequentially changing the contact position of the original key to the puncher,
The key pile of the original key is copied to the key base material.

In the duplicate key duplicating machine according to claim 2, in particular, the original key and the key base material are held side by side in the direction of movement of the puncher, so that the narrowed front side of the puncher is attached to the key pile formed on the original key. By bringing the parts into contact with each other, the puncher can be made to directly follow the original key. Therefore, by canting the key base material with the puncher, the plucked shape of the original key is formed on the key base material.

The combination I described in claim 3! In a duplicating machine, in particular, the key holding means has an elastic body disposed between the central fixing member and the lower plate, so when the handle that tightens the lower plate, fixing member, and upper plate at the same time is opened, the repulsive force of the elastic body is first applied. As a result, a gap between the lower plate and the fixing member is opened, so that the key base material can be released from the clamped state preferentially.

In the duplicate key duplicating machine according to claim 4, in particular, since the key holding means is rotatable around the base end, the key holding means is turned upward and the original key and key base material are rotated. Since it can be loaded from the top, it is easy to attach the original key and key base material.

Further, by using a pressing handle as the driving means, the operation can be performed by manual means of pressing. [Embodiment] Next, referring to the attached drawings, an embodiment embodying the present invention will be explained, and the present invention will be explained. Provide for understanding of the invention.

Here, FIG. 1 is a side view of a duplicate key duplicating machine according to an embodiment of the present invention, FIGS. 2 and 3 are enlarged sectional views of the same parts, and FIG. 4 is a cross section taken along arrow 1-1 in FIG. Figures 5 and 5 are partial sectional views taken along arrows - - ■ in Figure 2, and Figures 6 and 7 are perspective views showing the duplicating machine in use.

As shown in FIGS. 1 to 3, a duplicate key duplicating machine 10 according to an embodiment of the present invention includes a frame J2 having a substantially C-shaped side surface to which a die 11 serving as a lower die is fixed, and a frame J2 having a substantially C-shaped side surface. A guide member 13 integrally molded with the die 11, a puncher 14 serving as an upper mold attached via the guide member 13, and a puncher 14 attached to the frame 12 so as to be rotatable and movable in the radial direction. It comprises left and right support arms 15, a key holding means 16 rotatably attached to the tips of the support arms 15, and a height adjustment plate 17 to which the frame 12 is attached. These will be explained in detail below.

The frame 12 is made of die-cast aluminum, zinc, etc., cast iron, or cast steel, and has a push handle 18 at the top.
is rotatably attached by a pin 19, and a guide member 13 in which a puncher 14 is slidably disposed is disposed. The manual handle 18 is in contact with the upper end of the puncher 14, and the head of the puncher 14 has a circular cross section and a spring 20 is disposed inside to constantly urge the puncher 14 upward. ing.

In this embodiment, the guide member 13 and the lower die 11 are integrally constructed so that the press cores are always aligned, but the guide member 13 and the lower die 11 may be separated. It is also possible to do so.

As shown in FIGS. 4 and 5, the puncher 14 has the following features:
The cut portion 21 has a cross section of 70 to 120 degrees (preferably approximately 85 degrees).
The guide member 13 has a short flat part (which may be in the shape of a circular arc with a large radius of curvature) 22 at the front thereof, and the guide member 13 is designed to prevent the puncher 14 having such a shape from rotating. A sliding hole 23 that can be moved up and down is formed.

As shown in FIGS. 1, 6, and 7, support arms 15 made of plates are attached to the frame 12 via pins 24 on both sides. The base end of the support arm 15 forms a long hole 25, and the support arm 15 is attached so that it can rotate and move back and forth in the radial direction.

A support shaft 26 is attached to the tip of the support arm 15, and a key holding means 16 is attached to the support shaft 26 so as to be rotatable and slidable in the lateral direction. A fixing member 27, an upper plate 28 and a lower plate 29 attached to the fixing member 27, a handle 30 for simultaneously tightening the upper plate 28 and the lower plate 29 to the fixing member 27,
The hooks rotatably attached to both sides of the fixing member 27 are constructed with metal fittings 31.

At the tip of the fixing member 27, there is a stepped portion 3 that becomes thinner vertically.
2.33 is formed so that either the original key 34 or the thinned parts on both sides of the key base material 35 can be easily held, and the lower plate 29 is provided with the handle 30.
For tightening, a female thread 37 is carved into which a male thread 36 is screwed. Female threads 38 are formed on both left and right sides of the fixing member 27, and guide rods 41 are loosely fitted into guide holes 39 and 40 formed on both sides of the upper plate 28 and the lower plate 29.
are screwed together with the female screw 38. Note that the guide rod may be fixed to the fixing member by press fitting without using screws.

Further, the lower plate 29 is provided with a protrusion 43 that is pressed by an elastic body 42 (for example, a spring, weak rubber), and the tip of the protrusion 43 protrudes from the lower end of the lower plate 29. Note that this protrusion 43; do not use the original key 34;
This is to engage with a scale hole formed at a predetermined position on a code board (not shown) used when manufacturing a duplicate key using a key code, so when duplicating a duplicate key from only the original key, the above projection Since the body 43 is not needed, it is removed. Note that 44 indicates a set screw, and 44a indicates an O-ring (which may be a spring) as an example of an elastic body.

A hook 31 is rotatably provided on both sides of the fixing member 27 via a pin 45 and a seat plate 46. Holding means 16
This is for adjusting the base W134 and the key base material 35 in the left-right direction when the key base material 35 is attached to the key body.

The frame 12 is provided with pins 47 and 48 that protrude on both sides, so that the height adjustment plate 17 can be removably attached, and the plate that displays the key code described above can be attached to this part. It looks like this. And the frame 12 in the part where the support arm 15 is provided.
A rubber plate 49 is arranged on the top of the key holding means 16 so that the key holding means 16 can be placed thereon without causing any damage.

Therefore, when using this duplicate key duplicating machine 10, first rotate the key holding means 16 and place it on the rubber plate 49 as shown in FIG.
Loosen the upper plate 28 and lower plate 29 attached to 7.

Then, attach the main key 34 to the tip of the upper plate 28 and the fixing member 27, then slightly operate the handle 30 to tighten it, using the elastic force of the O-ring 44a located inside. , the fixing member 27 that becomes the upper plate 28 and the middle plate is attached to the lower plate 29.
Before tightening the fixing member 27, tighten the original key 34, and then place the key base material 35 at the tip of the lower plate 29 and the fixing member 27 in correspondence with the original key 34, The handle 30 is further tightened to clamp and fix the key base material 35 and the original key 34 to the key holding means 16, and the above-mentioned hook is attached to the metal 31.
Tilt it forward to adjust the main key 34 and key base material 35 in the front, back, left and right directions.

Then, the key holding means 16 is tilted forward as shown in FIG. 7 so that the tip of the key base material 35 rests on the die 11. In this case, since the height (thickness) differs depending on the key, a height adjusting plate 17 of an appropriate thickness is used and placed on the upper end of the die 11 so that the blade portion of the key to be processed comes into contact with it.

After this, the puncher 1 is inserted into the valley of the key mountain of the original key 34.
4, and press the key holding means 16 sufficiently with one hand, press the pressing handle 18 with the other hand, and punch a mold into the key base material 35 with the puncher 14. Let it form. Then, by repeating this process while moving the key holding means 16 laterally with respect to the rotation shaft 26, forming molds on the key base material 35 corresponding to all the key threads provided on the original key 34, Key stock 35
Copy the key on one side of the key, and copy the key thread on the other side using the same process. In this way, a duplicate key is manufactured.

In this embodiment, a gap is provided on both sides of the intermediate fixing member 27 to sandwich the original key 34 and the key base material 35. Therefore, for example, synthetic resin may be used for the relatively thick grip portion. It has the feature that even if it is a key, duplicate keys can be easily manufactured.

〔Effect of the invention〕

In the duplicate key duplicating machine according to claim 1, the original key and the key base material are held side by side by the key holding means, and the key holding means is movable vertically and horizontally, so that the original key is held by the puncher. By moving the key while making contact with the base material, a key thread that is the same as or very similar to the key thread formed on the original key is formed on the key base material, thereby making it possible to duplicate the key.

Further, since the original key and the key base material are held with a certain gap provided, a duplicate key can be manufactured without any problem even if the key has a thick grip portion.

In the duplicate key duplicating machine according to claim 2, the depth of the key pile is adjusted using a guide bar or the like in conventional duplicate key duplicating machines, but the original key and the key base material are aligned in the direction of movement of the puncher. By bringing the key ridge formed on the original key into contact with the front part of the puncher, the puncher determines the position at which to cut the key base material, eliminating the need for adjustments during assembly and operation (cutting), and improving the structure. It becomes easy.

The combination according to claim 3! For duplicating machines, especially when holding the original key and key base material with one handle, it is possible to loosen and replace only the key base material while holding the original key, so installing the key base material is a labor-intensive task. It turned out to be extremely easy to do.

In the duplicate key duplicating machine according to claim 4, since the drive means is comprised of a pressing handle, the structure is simple and no power is required, making the device simple.

Furthermore, since the key holding means is rotatable around the base end, the original key and key base material can be easily attached by rotating the key holding means to an appropriate position.

[Brief explanation of the drawing]

FIG. 1 is a side view of a duplicate key duplicating machine according to an embodiment of the present invention;
Figures 2 and 3 are enlarged sectional views of the same parts, Figure 4 is a sectional view taken along arrows 1-1 in Figure 2, Figure 5 is a partial sectional view taken along arrows ■-■ in Figure 2, and Figure 6. and FIG. 7 is a perspective view showing the state in which the duplicate key duplicating machine is used. [Explanation of symbols] 10-------- Unique key duplicator, 11-----Dice, 12--111-frame, 13--------
1.-Guide member, 14--Puncher, 15--
------- Support arm, 16-------- Key holding means, 17 -------- Height adjustment plate, 18--
・Press handle, 19 ・-----・Bin, 20-・
-・Spring, 21-...-Cut part, 22-・
−・−Plane part, 23−・−Sliding hole, 24−・−11−
- Bottle, 25 ・---～---Elongated hole, 26------・
・・Rotating shaft, 27------Fixing member, 2 B---
------Top plate, 29...-Lower plate, 30-.
−・・−Handle, 31−・−・−Hook is gold, 32.33
・−・−・−Double part, 34−・−−1−−Original key, 35 −
-----One key base material, 36------ Male thread, 37.3
8--Female screw, 39.40--Guide hole, 41--Guide Rond, 42--Elastic body, 43--Protrusion, 4 Set screw , 44 a.
---0 ring, 45 bin, 46 ・--111 Seat plate, 47.48 bin, 49--Rubber plate

Claims (4)

[Claims] (1) A puncher that forms the individual key shapes of the key, a die that pairs with the puncher, a driving means for moving the puncher, and a gap between the original key to be duplicated and the key base material to be newly duplicated. 1. A duplicate key duplicating machine characterized by comprising a key holding means which is arranged and held side by side and is movable at least vertically and horizontally. (2) The original key and the key base material are arranged in the puncher moving direction and held between the key holding means, and the key thread formed on the original key is placed in the lower part of the puncher by abutting the front part of the puncher. 2. The duplicate key duplicating machine according to claim 1, wherein the punching position of the key base material that has been punched is determined. (3) The key holding means is arranged between a central fixing member, upper and lower upper plates and lower plates, a handle that simultaneously tightens these, the lower plate that holds the key base material, and the central fixing member. An elastic body is arranged to prioritize the clamping state of the original key clamped between the upper plate and the fixing member over the clamping state of the key base material clamped between the lower plate and the fixing member. A duplicate key duplicating machine according to claim 1 or 2. (4) Claim 1, wherein the driving means comprises a pressing handle, and the key holding means is rotatable with respect to the base end.
2. The duplicate key duplicating machine according to paragraph 2, paragraph 3.