JPS6018525B2 - Method and device for removing a product from a vulcanized sheet member made of rubber-like elastic material - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention is a method for manufacturing products from a vulcanized sheet member made of a rubber-like elastic material, in which annular products are arranged vertically and horizontally, and burrs are attached to the inside and outside of each product. The present invention relates to a method and device for extracting.

Conventionally, when manufacturing O-rings, gaskets, etc. made from rubber-like elastic materials, burrs were removed manually from products with burrs that were manufactured through a vertical bending process, which was extremely inefficient. It was hot. As a solution to this problem, the first
As shown in the figure and FIG.
Vulcanized sheet members 1 are formed by arranging the vulcanized sheet members 1 with an inner circumferential burr 2 on the inside of each product 4 and an outer circumferential burr 3 on the outer side, and are arranged in the same manner as the vulcanized sheet members 1. A method of punching multiple products at the same time using a punching die has been attempted, but the alignment of the products within the vulcanized sheet member adhered to the alignment of the punching die during the punching process, resulting in misalignment. This has caused the problem that the product may be damaged by the punching die. The present invention provides a take-out device that can take out products continuously without damaging them.

As described above, the present invention comprises a vulcanized sheet member made of a rubber-like elastic material, in which products are arranged at regular intervals in the vertical and horizontal directions, and burrs are attached to the inside and outside of each product. The product is obtained by removing the inner and outer burrs using a vulcanized sheet member. Place the rounded sheet member on the sheet member feeding slope so that each product is aligned with each outer sheathing die hole, and feed the sheet member feeding plate one pitch at a time in the product arrangement to fit into the outer die hole. The inner circumferential burr is removed by the engaging hollowing die and hollowing punch, and a distance equal to an integral multiple of the product arrangement pitch is removed from the hollowing punch and hollowing die, and the sheet member is moved forward in the direction of movement of the sheet member feeding plate. The product is obtained by separating the product from the outer periphery burr using an outer punch placed in the outer punch and an outer punch die bored in the sheet member feed plate, and the vulcanized sheet member is sent one pitch at a time of the product arrangement pitch. After the hollowing process is completed, by keeping the hollowing die engaged with the outer cutting die hole of the sheet member feeding plate and feeding the hollowing die one pitch,
The sheet member feeding plate and the vulcanized sheet member are fed by one pitch, and after the outer drawing process is completed, the outer punch engages with the outer drawing die hole to stop the movement of the sheet member feeding plate. , disengage the hollowing die from the sheet member feed plate, return the hollowing die and hollowing punch to their initial positions, and set the next hollowing process. This process allows for continuous product removal by repeating the process.

In order to be able to take out all the products formed on the vulcanized sheet member, as will be described later, a number of outer punching dies are bored in the sheet member feed plate compared to the number of products of the vulcanized sheet member. When stacking the thinned sheet members, it is necessary to leave outer punching dies on the front and rear ends of the sheet member feed plate where the product is not placed. The method for removing a product from a sheet member made of rubber-like elastic material according to the present invention is performed in the following order of steps.

01 Products are arranged at a constant pitch, and vulcanized sheet sections made of rubber-like elastic material with burrs attached to the inside and outside of each product are arranged at the same pitch as the product arrangement pitch described above. The product position of the vulcanized sheet member and the position of the outer punching die hole match on the sheet member feeding slope movably arranged on the top surface of the main body of the ejecting device, and the position of the sheet member feeding plate is A process in which the front and rear ends are left with external die holes through which the product cannot be ejected.

'2' Engage the punching punch with the punching die hole at the front end of the sheet member feeding plate, and insert the punching die held in the punching die holder arranged on the main body into the punching die hole on the front end of the sheet member feeding plate. The process of engaging the hole.

{3} A process of removing inner peripheral burrs using a hollowing punch held by a hollowing punch holder arranged corresponding to the hollowing die holder and a hollowing die held by the hollowing die holder.

'41 Keep the middle plate die engaged with the outer punching die hole, disengage the outer punch and the outer punching die hole, and move the middle plate die holder outward by a distance equal to one pitch of the product arrangement. The process of moving the punch to the holder.

■ The process of lowering the outer punch toward the outer punching die hole while maintaining the engagement between the hollowing die and the hollowing die hole.

(At this time, the product whose inner periphery burr has already been removed and is sent to the lower part of the outer punching die is separated from the vulcanized sheet member.) [6] The outer punch is engaged with the outer punching die hole. The process of disengaging the hollow die from the outer die hole and returning the hollow die holder and the hollow punch holder to their original positions.

The above-described method for taking out a product from a vulcanized sheet member according to the present invention is illustrated in the drawings and is performed by a product taking out device described below.

First, on the upper surface 31 of the main body 30 shown in FIG.
As shown in the figure, a guide rail 32 is provided, and as shown in FIG. 4, on this guide rail 32, as shown in FIG. The sheet member feed plate 20, which has a number of outer punching die holes 21 drilled therein than the number of product arrays, is made movable, and a third
As shown in the drawings and FIG. 4, the hollow punch holder 13 and the outer punch holder 23 are rearranged as described later, and the weights 17 and 27 are mounted on the hollow punch holder 3 and the outer punch holder 23, respectively. ing.

As shown in FIG. 5, a window 33 is provided in the middle of the guide rail 32 of the main body 30, and below the window 33,
A hollow die holder 10 (see FIG. 8), which holds the hollow die 11 and is provided with means for moving vertically, reciprocates along the upper surface 31 of the main body 30 by a distance equal to the product arrangement pitch L'. The hollow punch holder 13 is arranged as shown in FIG.
The hollow die holder 1 is connected via the hollow punch holder support 16, and the hollow die 11 held by the hollow die holder and the hollow punch 12 held by the hollow punch holder 13 correspond to each other. It is arranged like this.

The sliding parts of the hollow punch 12 and the hollow punch holder 13 include
As shown in FIG. 7, an appropriate amount of play is maintained.

The hollow punch holder 13 has, as shown in FIG.
A sheet member holding column 9 is attached, and a burr holding plate 7 that elastically presses the vulcanized sheet member 1 by a spring means 8 is attached to the sheet member holding column 9. Through-holes through which the punches 12 penetrate are provided corresponding to the number of punches 12.

Further, as shown in FIG. 8, a hollowing die 11 is disposed in the hollowing die holder 10, and the hollowing die 11 is fitted into the outer cutting die hole 21 of the sheet member feed plate 20 to form a hollow die. The punching die 11 and the sheet member feeding plate 20 are raised until the upper surfaces thereof are substantially the same (see arrow a in FIG. 8), and the hollowing die 11 and the sheet member feeding plate 20 are kept in a state where they are aligned with each other, Move leftward (arrow b) on Figure 8, then descend (arrow c)
Then, the hollow die 11 and the outer die hole 21 are disengaged and moved to the original position (arrow d).

On the other hand, as shown in FIG. 3, the outer punch holder 23 holding the outer punch 22
Holing punch 1 when the hollow die holder 10 is at the end position of the reciprocating movement described above, with the main body 3 being attached to the main body 3 by 6.
2, the interval between the hollow die 11 and the outer punch 22 is set to be equal to an integral multiple of the product arrangement pitch L.

The number of arrangement pitches of the outer punching die holes 21 bored in the sheet member feeding plate 20 is smaller than the number of product arrangement pitches of the vulcanized sheet member 1, and is at least equal to the maximum interval between the hollow punch 12 and the outer punch 22. The corresponding product arrangement pitch number n and the product arrangement pitch number n-1 corresponding to the maximum interval are increased by a total of 11 minutes, and when the sheet member 1 is placed on the sheet section feed plate 20, At least n outer die holes 21 in which the product 4 is not loaded are left in front of the sheet member feeding plate 20, and at least n-1 holes are left behind the sheet member feeding plate 20. As shown in FIGS. 9 and 10, the center punch 12 and the outer punch 22 have sharp protrusions 15, 25 on their punching surfaces 14, 24.

Further, in order to apply punching force to the hollow punch 12 and the outer punch 22, adjustable weights 17 and 27 are attached to the hollow punch holder 13 and the outer punch holder 23, respectively.

The lifting process of the hollowing punch 12, the outer punching punch 22, and the hollowing die 11 is performed by a cam mechanism (not shown) attached to each of them. Further, the hollow die holder 10 and the hollow punch holder 13 are given reciprocating motion by a combination of a cam mechanism and a spring means (not shown), and the starting position of the reciprocating movement is adjusted by a handle 19 attached to the side surface of the main body 30. .

The present invention has the above-mentioned configuration requirements, and thus has the following features:
It brings about the following effects.

In the present invention, the products 4 are arranged at a constant pitch, and the trimmed and longitudinal sheet members 1 with inner and outer burrs 2 and 3 attached to the inside and outside of each product 4 are arranged in the same manner as the arrangement of the products. With this, the outer die hole 21 is provided, and the main body 30 is formed.
A light is placed on the sheet member feeding plate 20 which is reciprocatably arranged on the sheet member feed plate 20, and a combination of the hollow punch 12 and the hollow die 11 and the outer punch. The combination of the punch 22 and the outer punching die hole 21 allows the product to be punched out one row at a time.
There is no risk of damaging the product during the punching process,
Product collection is carried out in an extremely efficient manner.

In addition, if an appropriate play is provided between the hollow punch 12 and the outer punch 22 and the hollow punch holder 13 and the outer punch holder 23, the hollow sheet member 1 and the hollow punch 1
Since the punch 2 or the outer punch 22 is guided to the inner circumferential surface or outer circumferential surface of the product, burrs on the inner circumference and outer circumference can be appropriately removed.

Furthermore, the punching force of the center punch 12 and the outer punch 22 is
The inner burr 2 and the outer burr 3 can be removed by using the weights 17 and 27 provided on the hollow punch holder 3 and the outer punch holder 23, but it is adjusted to the extent that the product 4 is not damaged. By doing so, even if the positions of the product 4 of the vulcanized sheet member 1 and the hollow punch 12 or the outer punch 22 are largely misaligned, the product 4 can be prioritized by the hollow punch 12 or the outer punch 22. Therefore, the occurrence of defective products can be effectively prevented.
In addition, in the present invention, the hollowing die holder 10 is moved while maintaining the engagement state between the hollowing die hole 21 of the sheet portion feed plate 20 and the hollowing die 11 to prepare for the outer punching process, While maintaining the engaged state of the hollow die 11 and the hollow die hole 21, the product 4 is removed using the outer punch 22 and the outer die hole 21, and then the outer punch 22 and the outer die hole 21 are removed. The hollowing die 11 and the hollowing die hole are disengaged from each other, and the hollowing punch 12 and the hollowing die 11 are disengaged from each other, and the hollowing die holder 10 and the hollowing punch holder 13 are Since the process is carried out to prepare for the hollowing process of the next product, the sheet member feed plate 20 and the position of the vulcanized sheet member 1 in the take-out device are maintained accurately and stably throughout the entire process. The sauce, center cutting process, and outer cutting process are all performed accurately.

In addition, by shaping the hollow punch 12 and the jacket punch 22 to have a small diameter part and a large diameter part with a tapered part in between, the tips of the punches do not hit the product part in the initial stage of burr punching. There is no risk of damage to the product, and after punching, each large part engages with the hollow die 11 and the outer cover die hole 21, and the sheet member feed plate 20 and the vulcanized sheet member 1 are separated. Hold position accurately. Furthermore, when the hollow punch 12 and the outer punch 22 are provided with sharp protrusions 15 and 25, the inner burr 2 and the outer burr 3 are easily broken by the protrusions 15 and 25, so that small Only punching force is required, and no burrs remain.

In addition, when manufacturing the vulcanized sheet member 1, the posture of the vulcanized sheet member 1 is stabilized by providing reinforcing protrusions 5 running vertically and horizontally on the outside of the product 4, as shown in FIGS. 1 and 2. death,
The handling of the vulcanized sheet section 1 during the product process becomes easier.

[Brief explanation of the drawing]

Fig. 1 is a plan view of a vulcanized sheet made of rubber-like elastic material which is the object of the product removal method and bag counterfeit processing according to the present invention, and Fig. 2 is a cross section taken at the position indicated by the arrow 0-0 on Fig. 1. 3 is a side view of the product take-out device according to the present invention, FIG. 4 is a plan view thereof, FIG. 5 is a plan view with a part of FIG. 4 removed, and FIG. Figure 7 is an enlarged side view of the hollow die holder and burr holding plate shown in Figure 6.
FIG. 8 is a sectional view showing the hollow die holder and the relationship between the hollow die and the sheet member feeding plate.
Figures 1 and 10 are front views showing an example of a hollow punch and an outer punch used in the present invention. 1... Curved sheet member, 2... Inner periphery burr, 3... Outer periphery burr, 4... Product, 5
...Reinforcement protrusion, 7...Burr holding plate, 8
... Spring means, 9 ... Burr holding column, 10 ... Hollow die holder, 11 ...
Hollow die, 12... Hollow punch, 13...
Hollow punch holder, 14...Punching surface, 15...
...Protrusion, 16.. Hollow punch holder support, 17.. Weight, 19. ．．・．． ．．・Handle, 20... Sheet member feed plate, 21... External extraction die hole, 22... External extraction punch, 23...
Outer punch holder, 24...Punching surface, 25...
...Protrusion, 26...Outer punch holder support, 27...Weight, 30...Main body, 3
1...Top surface, 32...Guide rail,
33... Window section. Figure 1 Figure 2 Figure 4 Figure 3 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10

Claims (1)

[Scope of Claims] 1. A rubber-like elastic material in which a plurality of products 4 are arranged at a constant pitch L, and inner and outer burrs 2 and 3 are left on the inside and outside of the products 4. In the method of taking out the product 4 from the sulfur sheet member 1, a main body 30, an external punch holder 23 mounted on the top surface of the main body 30 into which the vertically moving external punch 22 is inserted, and a vertically movable hollow punch holder 23, which is mounted on the top surface of the main body 30; The punch 12 is inserted, and the hollow punch 12 reaches a position nL that is an integral multiple of the product arrangement pitch L in the vulcanized sheet member 1 with respect to the outer punch 22, and a position that is 1 pitch L away from the position. A hollow punch holder 13 is movably arranged on the main body 30 so as to reciprocate between the hollow punch holder 13 and the hollow die 1 facing the hollow punch 12.
1, a hollow die holder 10 is arranged to be reciprocally movable in conjunction with the hollow punch holder 13 and movable in the vertical direction; The number of product array pitches n and the minimum interval are equal to the pitch L and correspond to at least the maximum interval between the outer punch 22 and the center punch 12 compared to the number of product arrays of the vulcanized sheet member 1. A number of outer punching die holes 21 are bored by a total of 2n-1 of the product arrangement pitch number n-1 corresponding to The vulcanized sheet member 1 is placed on the sheet member feed plate 20 and at the front end of the vulcanized sheet member 1 using a device having a sheet member feed plate 20 arranged to be reciprocally movable toward the outer punch holder 23 side. A certain product 4 and the sheet member feeding plate 2
The outer punch 22 is placed so that the distance between the outer punch die holes 21 at the front end of the sheet member 0 is equal to the maximum distance nL between the outer punch 22 and the center punch 12, and the outer punch 22 is placed on the sheet member feeding plate 20. , and then inserting the hollow die 11 into the corresponding outer punch die hole 21 and lowering the hollow punch 12; a step of disengaging the outer die hole 21;
The hollow punch holder 13 and the hollow die holder 10
The step of advancing the vulcanized sheet member 1 by one array pitch L by advancing toward the outer punch holder 23, and the step of moving the outer punch 22 in the state where the hollow die 11 and the outer punch die hole 21 are engaged. In the step of lowering the outer punching die hole 21 to the outer punching die hole 21 side, when the outer punching punch 22 and the outer punching die hole 21 are engaged, the engagement between the hollow die 11 and the outer punching die hole 21 is released, and the middle The process of moving the punching punch holder 13 and the punching die holder 10 backward by one pitch L of the product arrangement is repeated to remove the inner periphery burr 2 as the punch 12 descends and remove the product as the punch punch 22 descends. 4. A method for taking out a product from a vulcanized sheet member made of a rubber-like elastic material, characterized by repeating the cutting process in step 4. 2. A plurality of products 4 are arranged at a constant pitch L, and the inner and outer burrs 2 and 3 are left on the inside and outside of the products 4. In the device for taking out the product 4, a main body 30, an outer punch holder 23 mounted on the upper surface of the main body 30 into which an outer punch 22 that moves in the vertical direction is inserted, a hollow punch 12 that moves in the vertical direction is inserted, The hollow punch 12 reciprocates with respect to the outer punch 22 between a position nL that is an integral multiple of the product arrangement pitch L in the vulcanized sheet member 1 and a position 1 pitch L away from the position. a hollow punch holder 13 movably disposed on the main body 13; a hollow die 1 facing the hollow punch 12;
1, a hollow die holder 10 is arranged to be reciprocally movable in conjunction with the hollow punch holder 13 and movable in the vertical direction; The number n of product arrangement pitches and the minimum interval corresponding to at least the maximum problem between the outer punch 22 and the center punch 12 compared to the number of product arrangement of the vulcanized sheet member 1 with an arrangement equal to the pitch L A number of outer punching die holes 21 are bored by a total of 2n-1 of the product arrangement pitch number n-1 corresponding to A device for taking out a product from a vulcanized sheet member made of a rubber-like elastic material, which has a sheet member feeding plate 20 arranged so as to be movable back and forth toward the outer punch holder 23 side.