JPH0641840Y2 - Positioning device for press plate - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention is designed to determine the position of the backing plate of a press used for punching characters used for stickers, name plates, etc. from a PVC film. The present invention relates to a position adjusting device for a press receiving plate that can be finely adjusted with respect to a press block that moves up and down.

[Conventional technology]

When stamping characters used for stickers, name plates, etc. from PVC film, the PVC film attached to the mount is temporarily attached to the work plate via the rubber plate, and this work plate is placed on the press plate. Place a punching die on the lower surface of the press block above the backing plate via a hot plate that is heated by electric heat, lower the press block toward the backing plate, and turn the heated punching die into PVC film. I pressed it and punched out the required characters from the PVC film.

[Problems to be solved by the device]

However, if there is a slight change in the thickness of the rubber plate that is interposed between the PVC film and the work plate depending on the location, or if there is a minute difference in parallelism between the punching die and the receiving plate, one sheet It was not always possible to cleanly punch all of the large numbers of letters from the PVC film.

This invention provides a position adjusting device for a press backing plate in which the punching die is pressed flat against the vinyl chloride film on the backing plate by finely adjusting the heights of both sides and front and back of the backing plate. The purpose is to do.

[Means for Solving the Problems]

A position adjusting device for a press receiving plate according to the present invention is provided with a horizontal base and front and rear inclined surfaces which are disposed on both sides of a front portion of the base and are positionally adjustable in the front-back direction with respect to the base. A pair of rear adjustment pieces having an upper surface and a pair of front adjustment pieces fixed on both sides of the rear portion of the base and inclined on the upper and lower sides in the front-rear direction opposite to the inclined surfaces of the front adjustment pieces. And a pair of front slides each of which has an inclined surface on the lower surface in the same direction as the inclined surface of the front adjustment piece and is placed on the inclined surface of each of the front adjustment pieces and the upper surface of which is smooth. A piece, and a pair of rear slide pieces that have an inclined surface in the same direction as the inclined surface of the rear adjustment piece on the lower surface, are placed on the inclined surface of each of the rear adjustment pieces, and the upper surface is a smooth surface; Male threads in different directions are engraved on both ends, and Pair of screw rods in which one of the front slide pieces is screwed and one of the rear slide pieces is screwed into the male screw on the other end side, and an upper surface of the pair of front slide pieces and a pair of rear slide pieces And a press block that moves up and down toward the receiving plate.

[Action]

When the screw rod is rotated, the front slide piece and the rear slide piece screwed to both ends of the screw rod move in opposite directions along the screw rod, and the slide piece and the rear slide piece are separated from each other. Both rise or fall to adjust the height of the backing plate.

Further, by adjusting the position of the front adjustment piece in the front-back direction with respect to the base, the height of the front portion of the receiving plate can be adjusted.

〔Example〕

 Next, an embodiment of the present invention will be described with reference to the drawings.

FIG. 5 is a front view of the press, FIG. 6 is a sectional view taken along line VI-VI of FIG. 5, and a base 2 made of an iron plate is provided in the middle of the mount 1.
Is fixed horizontally, and a T-shaped bracket 3 is fixed to the lower surface of the base 2 when viewed from the front. An upper end of an H-shaped link 4 when viewed from the front is pivotally attached to the bracket 3 by a pin 5, and an upper end of a link 6 and a tip of a horizontal link 7 are attached to a pin 8 at a lower end of the link 4. Is pivoted by. At the lower end of the link 6, the upper end of an L-shaped link 9 when viewed from the side is pivotally attached by a pin 10, and at the other end of the link 9, there is a link 11 (see FIG. 6) whose length can be changed. The tip is pivotally attached by a pin 12, and the other end of the link 11 is pivotally attached by a pin 13 to the gantry 1 side.

A motor 14 and a speed reducer 15 are attached to the gantry 1,
The crank disk 16 of the reduction gear 15 is decelerated from the motor 14 via the reduction gear 15. The base end of the horizontal link 7 is pivotally attached by a pin 17 to an eccentric position of the crank disc 16.

An intermediate portion of the operating bar 18 extending in the left-right direction is fixed to an intermediate portion of the L-shaped link 9 when viewed from the side, and lower ends of operating plates 19 are fixed to both ends of the operating bar 18, respectively. ing. The working plate 19 extends upward through a gap between the inside of the gantry 1 and both sides of the base 2, and the tip of the link 21 is pivotally attached to the upper rear of the working plate 19 by a pin 20. The base end of 21 is pivotally attached to the gantry 1 by a pin 22.

Both ends of a shaft 23 are fixed to the upper portions of the working plates 19 and 19, and the press block 24 is supported by the shaft 23. A lower surface of the press block 24 is a flat surface, and a heat insulating plate 25 such as glass wool is fixed to the lower surface of the heat insulating plate 25. A punching die 28 is attached to the lower surface of the heating plate 27, as is apparent from FIG. The punching die 28 is a flat plate made of a metal such as magnesium, and has letters or the like to be punched out on its lower surface.

A pair of front adjusting pieces 29, 30 are provided on both sides of the front of the horizontal base 2 described above. The front adjustment pieces 29, 30 are the first
As shown in the enlarged vertical side view of the figure and the perspective view of FIG. 3, the bolt is L-shaped when viewed from the side and screwed through a long hole 31 formed in the base 2 and long in the front-rear direction. By 32, it is fixed to the base 2. A stopper bolt 33 and an adjusting bolt 34 are provided on the front surfaces of the front adjusting pieces 29, 30, and when the adjusting bolt 34 is tightened with the bolt 32 and the stopper bolt 33 in a loosened state, the length of the long hole 31 becomes longer. Front adjustment piece 29,30
Moves rearward (rightward in FIGS. 1 and 6) with respect to the base 2. If the stopper bolt 33 is tightened with the bolt 32 and the adjustment bolt 34 loosened, the long hole 31
The front adjusting pieces 29, 30 move forward (to the left in FIGS. 1 and 6) with respect to the base 2 within the range of the length. As is apparent from FIGS. 1 and 3, the front adjusting pieces 29, 30 are provided with inclined surfaces 35 in the front-rear direction that are low in the front and high in the rear.

As shown in FIGS. 1 and 2, a pair of rear adjusting pieces 36, 37 are provided on both sides of the rear portion of the horizontal base 2. The rear adjusting pieces 36, 37 are fixed to the base 2 by bolts 38, and the upper surfaces of the rear adjusting pieces 36, 37 have inclined surfaces of the front adjusting pieces 29, 30 as shown in FIGS. 1 and 4. Contrary to 35,
Front and back high slopes 39
Is provided.

Front slide pieces 40, 41 (see FIGS. 1 to 3) are placed on the inclined surfaces 35 of the front adjustment pieces 29, 30. The lower surfaces of the front slide pieces 40, 41 are the front adjustment pieces 29,
It is an inclined surface in the same direction as the inclined surface 35 of 30, and the upper surfaces of the front slide pieces 40, 41 are horizontal smooth surfaces.

Rear slide pieces 42, 43 (see FIGS. 1, 2, and 4) are placed on the inclined surfaces 39 of the rear adjustment pieces 36, 37. The lower surfaces of the rear slide pieces 42, 43 are inclined surfaces in the same direction as the inclined surfaces 39 of the rear adjustment pieces 36, 37,
The upper surfaces of the rear slide pieces 42, 43 are horizontal smooth surfaces.

A receiving plate 44 is placed over the upper surfaces of the front slide pieces 40, 41 and the rear slide pieces 42, 43 described above. The backing plate 44 can be displaced in the vertical direction, but in order to prevent displacement in the front, rear, left, and right directions, a vertical rod 45 is provided on the lower surface.
(Refer to FIGS. 1 and 2), the rod 45 is slidably passed through the base 2, and a spring 47 is interposed between the nut 46 attached to the lower end of the rod 45 and the base 2 to receive it. The plate 44 is always in contact with the upper surfaces of the front slide pieces 40, 41 and the rear slide pieces 42, 43.

As shown in FIG. 1, FIG. 2, FIG. 5, and FIG.
A pair of front and rear screw rods 48, 49 are provided below the rods. Male and female screws having opposite directions are provided at both ends of the screw rods 48, 49, for example, a right screw 50 (see FIG. 1) at the front end. Left screw 51 is engraved at the rear end, the right screw 50 at the front end is screwed to the front slide pieces 40, 41, and the left screw 51 at the rear end is the rear slide piece 42, 41. It is screwed to 43. Screw rod 48,49
The front end of the lock plate 54 is screwed to the sleeve 53 attached to the bracket 52 fixed to the front edge of the receiving plate 44, and the lock nut 54 is screwed to the rear end of the screw rods 48, 49. It is rotatably supported by a bracket 55 fixed to the rear edge of the rear. And at the rear end of the screw rods 48, 49, sprockets 56, 57
(See Fig. 2) is firmly attached, and sprockets 56 and 57
A chain 58 is stretched between them.

FIG. 7 shows that the crank disc 16 is rotated from the state shown in FIG.
° Shows rotated state. In this state the pin
17 moves to the left to displace the link 7 to the left, and the pin 8
The link 4 is rotated clockwise about the pin 5 via the, and the link 6 is pulled up to the upper left in FIG. As a result, the links 4 and 6 are bent in a V-shape, and the link 11 is rotated clockwise about the pin 13 so that L
The character-shaped link 9 is pulled up, and the operating plates 19 and 19 are displaced upward together with the operating bar 18 fixed to the link 9. At this time, the upper link 21 rotates clockwise around the pin 22. When the working plates 19 and 19 are displaced upward, the press block 24 is lifted via the shaft 23 and separated from the receiving plate 44.

In the state shown in FIG. 7 in which the press block 24 is raised in this manner, the working plate 59 is inserted and placed on the receiving plate 44. 61
Is a handle of the work plate 59, and a work material such as a vinyl sheet with a mount is preliminarily attached to the upper surface of the work plate 59 via a rubber plate 63.
60 is attached.

After placing the work plate 59 on the receiving plate 44 and simultaneously pressing the two push button switches 62 mounted on both sides of the front of the gantry 1, the motor 14 is rotated, and the crank disk 16 is passed through the speed reducer 15.
Rotates 180 degrees from the state shown in FIG. 7 to the state shown in FIG. The fact that the two push button switches 62 are pressed at the same time is a safety measure to prevent your hands from being caught.

The crank disc 16 rotates 180 ° from the state shown in FIG.
In the state shown in the figure, the link 7 is displaced to the right and pulls the pin 8, and the links 4 and 6 which are bent in a dogleg shape become a straight state, and the link 9, the operating bar 18, the operating plate 19, and the shaft 23.
The press block 24 descends via the, the motor 14 stops for the time set by the timer, and the press block 24 maintains the descended state of FIG. When the time set by the timer elapses, the motor 14 rotates again and the crank disc
16 is rotated 180 ° from the state shown in FIG. 6 to the state shown in FIG. 7 in which the press block 24 is raised as shown in FIG.
The motor 14 is stopped.

As shown in FIG. 6, while the press block 24 is descending, the punching die 28 (see FIG. 7) heated by the hot plate 27 presses the punching material 60, and the punching material 60 is pressed. The required shape such as letters will be punched from 60.

However, the rubber plate 63 interposed between the material to be punched 60 and the work plate 59 may have a slight change in thickness depending on the location, or the parallelism between the punching die 28 and the receiving plate 44. If there is a minute difference, the punching die 28 does not uniformly press the entire surface of the material 60 to be punched, and the pressing state becomes uneven, resulting in defective punching.

When it is necessary to lower the upper left portion of the receiving plate 44 in FIG. 2 in order to correct such uneven pressing,
When the bolt 32 and the stopper bolt 33 shown in FIG. 1 are loosened and the adjustment bolt 34 is tightened, the front adjustment piece 29 moves to the right in FIGS. 1 and 2, and the front slide piece 40 is moved.
Is supported by the lower part of the inclined surface 35, the front slide piece 40 descends, and the upper left portion of the receiving plate 44 in FIG. 2 descends. On the contrary, when it is necessary to raise the upper left portion of the receiving plate 44 in FIG. 2, when the bolt 32 and the adjusting bolt 34 shown in FIG. 1 are loosened, the stopper bolt 33 is tightened. , The front adjustment piece 29 moves to the left in FIGS. 1 and 2, the front slide piece 40 comes to be supported at a high position of the inclined surface 35, and the front slide piece 40 rises. The upper left portion of the backing plate 44 in FIG. 2 rises. In this way, the front slide piece 40 is moved in the left-right direction in FIGS. 1 and 2 to adjust the height of the upper left portion of the receiving plate 44 in FIG. 2, and then the bolt 32, the stopper bolt 33, and the adjustment. When the bolt 34 is tightened, the front adjusting piece 29 is fixed to the base 2 and can hold the adjusted height of the upper left portion of the receiving plate 44 in FIG.

When it is necessary to adjust the height of the lower left portion of the receiving plate 44 in FIG. 2, if the front adjustment piece 30 is moved in the left-right direction in FIG. Second
The height of the lower left part in the figure can be adjusted.

If the punching die 28 (see FIG. 7) presses the material 60 to be punched generally too weakly or too strongly, the second die
When the lock nuts 54, 54 shown in the figure are loosened and one of the screw rods 48, 49 is rotated by a tool, this rotation is made through the sprocket 56, 57 and the chain 58 and the other screw rod 49, 48.
, The screw rods 48, 49 simultaneously rotate in the same direction.
As a result, the front slide piece 40 and the rear slide piece 42, and the front slide piece 41 and the rear slide piece 43, which are screwed into the male threads of the screw rods 48 and 49 in mutually different directions, are close to each other. Ascending along the inclined surfaces 35 and 39 (see FIGS. 3 and 4) to raise the receiving plate 44 in general, and the front slide piece 40 and the rear slide piece 42, and the front slide piece 41. The rear slide piece 43 and the rear slide piece 43 are separated from each other and descend along the inclined surfaces 35 and 39 to generally lower the receiving plate 44, and the punching die 28 presses the punched material 60 in general. Can be adjusted. After making this adjustment, tighten the lock nuts 54, 54 to prevent the screw rods 48, 49 from rotating.

By removing the chain 58 and rotating only one of the screw rods 48 and 49, the height of only one side of the receiving plate 44 can be adjusted.

[Effect of device]

In this invention, the height of the front part of the receiving plate can be adjusted by adjusting the position of the front adjusting piece forward and backward, and the height of the receiving plate side can be adjusted by rotating the screw rod. There is an effect that the material to be punched can be adjusted so that it can be punched out uniformly.

[Brief description of drawings]

1 is a longitudinal sectional view taken along the line I--I of FIG. 2, FIG. 2 is a plan view of FIG. 1, and FIG. 3 is a front adjusting piece and a front slide piece. FIG. 4, FIG. 4 is a perspective view of the rear adjustment piece and the rear slide piece, FIG. 5 is a front view of the press, FIG. 6 is a vertical side view taken along line VI-VI of FIG. 5, and FIG. It is a vertical side view which shows the state different from FIG. 2 ... Base, 24 ... Press block 29, 30 ... Front adjustment piece 35, 39 ... Inclined surface, 36, 37 ... Rear adjustment piece 40, 41 ... Front slide piece 42, 43 ... Rear slide piece 44 ... Support plate, 48,49… Screw rod 50… Right thread, 51… Left thread

Claims (1)

[Scope of utility model registration request] 1. A pair of fronts having a horizontal base and front and rear inclined surfaces which are provided on both sides of a front portion of the base and are attached to the base such that the position of the base can be adjusted in the front-back direction. And a pair of rear adjusting pieces fixed to both sides of the rear part of the base and having inclined surfaces which are opposite to the inclined surfaces of the front adjusting piece and which are inclined in the front-rear direction at the upper and lower sides, and the front surface on the lower surface. A pair of front slide pieces, each of which has an inclined surface in the same direction as the inclined surface of the partial adjustment piece and is placed on the inclined surface of each of the front adjustment pieces and has a smooth upper surface, and the rear portion on the lower surface. A pair of rear slide pieces, each of which has an inclined surface in the same direction as the inclined surface of the adjustment piece and is placed on the inclined surface of each of the rear adjustment pieces and has a smooth upper surface, and different directions at both ends. Male screw is engraved and one front slide piece is attached to the male screw on one end side. And a pair of screw rods in which one of the rear slide pieces is screwed into a male screw on the other end side, and the pair of front and rear slide pieces are mounted on the upper surface and the upper surface of the pair of rear slide pieces. And a press block which moves up and down toward the receiving plate.