KR20080021357A - Non post mold apparatus - Google Patents

Abstract

A postless molding apparatus is provided to replace a punching holder plate and a stripper without replacing upper and lower housings, a holder plate, a punching, and a die plate by using a fitting pin. A postless molding apparatus comprises upper and lower housings(110,120), upper and lower holder plates(134,154), a punching(158), a die(138), and fitting pins(210). The upper and lower housings reciprocate vertically on guide posts and have upper and lower clamps(180,190) at the top and the bottom. The upper and lower holder plates have stepped portions(152) at two sides to be horizontally accommodated in the housing by the clamps. The die and the punch are each installed to the upper and lower holder plates to punch a work between the die and the punch. The upper and lower holder plates, the die, the punching each have fitting grooves(134',154',138',158') formed vertically. The upper and lower housings each have fitting holes(110',120') corresponding to the fitting grooves. The fitting pin is inserted into the fitting holes and the fitting grooves.

Description

Non post mold apparatus

1 is a perspective view showing the configuration of a post-free die device according to the prior art.

Figure 2 is a perspective view showing the configuration of a post-free die device according to the present invention.

3 is an exploded perspective view showing the configuration of a post-free die apparatus according to the present invention.

Figure 4 is a front view showing the configuration of a post-free die device according to the present invention.

Figure 5 is a perspective view showing the configuration of the alignment pin of the post-free die device according to the present invention.

6 and 7 are cross-sectional views showing the operating state of the alignment pin of the post-free die device according to the present invention.

** Description of Codes for Major Configurations of Drawings **

100: no-post mold 102: main base

104: guide shaft 106: punching mechanism

110: lower housing 110 ': lower housing alignment groove

114: guide bush 120: upper housing

120 ': upper housing alignment groove

130: die module 132: stepped portion

134: lower holder plate 134 ': lower holder plate alignment hole

134 ": Lower holder screw groove

136: die plate 136 ': die plate alignment hole

138: die 138 ': die alignment hole

150: punching module 152: stepped portion

154: Upper Holder Plate 154 'Upper Holder Plate Alignment Hole

154 ": upper holder screw groove

156: Punching Plate 156 ': Punching Plate Alignment Hole

158: Punching 158 ': Punching Alignment Hole

170: punching holder plate 172: stripper

180: lower clamp 190: upper clamp

200: pressurization portion 210: alignment pin

212: horizontal groove 220: fixed screw

222: screw body 224: horizontal rod

226: stove home 230: bolt

The present invention relates to a post-free die apparatus, and more particularly, a punching and die module which is fixed to a press machine and puts a molding object between the upper and lower housings which are reciprocated vertically while being guided by a guide post and punches. In order to align the furnace, the module is formed in the alignment hole through the module, the housing is formed in the alignment groove corresponding to the alignment hole, the alignment pin is inserted into the alignment hole and the alignment groove, and the alignment pin In order to fix, to form a screw groove extending in the horizontal direction on one side of the module and communicate with the alignment hole, install a fixing screw in the screw groove, horizontally in the horizontal direction in the alignment pin to adjust the alignment pin up and down A groove is formed, and a thread is formed on the outer circumferential surface of the fixing screw and eccentrically at the center of rotation of the screw ahead thereof The horizontal bar is formed and inserted into the horizontal groove. When the fixing screw rotates, the horizontal bar rotates to form a rotation radius by an eccentric distance, and the dowel pin reciprocates up and down by the eccentric distance. Push-in into the custom groove of the mold, and when the mold release relates to a post-free mold device for separating or aligning the alignment pin in the housing of the housing to engage or separate the module with the housing.

As shown in FIG. 1, in the conventional mold apparatus, the upper housing 12 and the lower housing 14 are parallel to each other up and down by a guide set 10 including a guide bush 2 and a guide shaft 4. The punching module mounting plate 22 and the die module mounting plate 24 are fixedly installed on the bottom surface of the upper housing 12 and the upper surface of the lower housing 14, respectively. On the other hand, on the punching module mounting plate 22 and the die module mounting plate 24, a punching module 42 and a die module (not shown) and a die 34 having a direct role in molding are respectively installed. 44 are respectively installed.

That is, the punching module 42 is fastened to the punching module mounting plate 22 of the upper housing 12 by bolts (not shown) from the bottom surface, and the die module 44 is installed at the lower die of the lower housing 14. It is seated on the plate 24 and fastened by bolts (not shown) from the top. As the upper housing 12 provided with the punching module 42 descends, the molding object (not shown) placed between the punching module 42 and the die module 44 is punched out.

Thus, when the punching module 42 and the die module 44 are engaged, a post pin 52 and a post groove 54 are necessary for correct positioning.

However, in setting the punching module 42 and the die module 44 in the press machine, the post pin 52 for aligning the punching module 42 and the die module 44 up and down is subject to frictional wear in the punching process. Due to the frequent repair replacement, there is a problem that the replacement of the post pin 52 is cumbersome and the process of forming the post pin 52 on the mold is also difficult.

In addition, even if the vertical alignment of the punching module 42 and the die module 44 is performed by the post pin 52 and the post groove 54, the punching module 42 is connected to the die module 44 by hydraulic pressure. When repeatedly punched against, no matter how much the bolts are tightened, the vertical alignment is inevitably disturbed, which in turn causes a defect of the molding object and causes a decrease in productivity.

In addition, when the punching module 42 and the die module 44 are separated from the punching module mounting plate 22 and the die module mounting plate 24, the punching module 42 and the die module 44 are engaged with each other. When separated, the mold replacement is very difficult due to the weight of the modules 42 and 44.

Accordingly, the present invention has been made to solve the problems of the prior art as described above, an object of the present invention is to produce a product even if not using a post pin formed on the punching module and the die module to align the module up and down It is possible to provide a post-free mold apparatus.

Another object of the present invention is to provide a post-less mold apparatus for receiving the punching module and the die module in a horizontal direction.

Still another object of the present invention is to provide a post-free die apparatus in which the punching module and the die module are vertically aligned, and the punching module and the die module are not shaken from impact when punched.

According to a feature of the present invention for achieving the object as described above, the present invention is fixed to the press machine up and down reciprocating while being guided by the guide post, the top and bottom clamps are installed on the bottom and top, respectively The upper and lower holder plates having stepped portions on both sides to be received in the horizontal direction of the housing by the clamp and the upper and lower holder plates, respectively, are installed on the upper and lower portions of the upper and lower holder plates, respectively. Punching, die performing punching.

The upper and lower holder plate and the punching, the die is formed in the alignment hole penetrating in the vertical direction, the upper and lower housings are formed in the matching groove corresponding to the alignment hole, the alignment hole and the The dowel pin is inserted.

One side surface of the upper and lower holder plates extends in a horizontal direction to form a screw groove communicating with the alignment groove, and a fixing screw is installed in the screw groove to fix the alignment pin.

The dowel pin is formed in one side in the transverse direction long and is formed in both sides of the rounded rectangular transverse groove.

The fixed screw is a screw body formed with a screw thread on the outer circumferential surface, one side of the screw body extends eccentrically at the center of rotation of the screw, the diameter is equal to the height of the horizontal groove, the horizontal rod inserted into the horizontal groove, The other side of the screw body is provided with a stove groove for rotating the fixed screw.

A lower housing provided on the main base of the press and provided with a guide shaft extending upward at an upper edge thereof, and an upper portion provided with a guide bush installed above the lower housing and extended downward at a lower edge thereof to guide the guide shaft. A housing, a die module installed on the lower housing to seat a molding object during operation, a punching module installed below the upper housing and provided with a punching or other molding mechanism to punch and mold the molding object, and the die module. A lower clamp installed on an upper surface of the lower housing to be slidably received in a horizontal direction of the lower housing, and an upper portion installed on a lower surface of the upper housing so that the punching module is slidably received in a horizontal direction of the upper housing clamp; It includes.

The lower clamp has a "b" shape in cross section and the upper clamp has a "b" shape in cross section.

The die module may include a lower holder plate positioned on the lower housing and having a stepped portion to slide between the lower clamp and the lower housing, a die plate provided on the lower holder plate, and a die provided on the die plate. Include.

The punching module may include an upper holder plate positioned below the upper housing and having a stepped portion so as to slide between the upper clamp and the upper housing, a punching plate disposed below the upper holder plate, and a punching portion installed below the punching plate. Include.

The punching consists of a punching holder plate and a stripper between which punching and other forming mechanisms such as pins are provided.

The punching module and the die module are formed with a fitting hole penetrating in the vertical direction, respectively, the upper and lower housings are formed with a matching groove corresponding to the matching hole, and a matching pin is inserted into the matching hole and the matching groove. do.

The dowel pin is formed with a horizontal groove of a rectangular shape long in the horizontal direction.

One side of the module further includes a fixing screw inserted into the horizontal direction to fix or move the alignment pin.

The fixing screw is composed of a screw body and a horizontal rod extending from one side of the screw body and inserted into the horizontal groove, the other side of the screw body is provided with a stove groove for rotating the fixing screw.

The horizontal rod is installed eccentrically with respect to the screw body so that when the screw body is rotated, the horizontal rod rotates while drawing a circle equal to the diameter of the screw body, and the dowel pin is reciprocated vertically by the horizontal rod.

According to the non-post mold apparatus according to the present invention having such a configuration, there is an advantage that the defective rate is reduced.

Hereinafter, with reference to the accompanying drawings a preferred embodiment of the post-free die device according to the present invention having the configuration as described above will be described in detail.

As shown in Figs. 2, 3 and 4, the post-free die 100 of the present invention is provided with a guide shaft 104 installed on the main base 102 of the press and extending upward in the upper corner. An upper housing 120 provided on the lower housing 110, an upper housing 120 installed above the lower housing 110, and having a guide bush 114 extending downward in the lower corner, and installed on the lower housing 110. And a punching module 150 which is installed under the upper housing 120 and is provided with a punching mechanism 106 to punch the product.

The die module 130 is slidably received in the lower housing 110 in the horizontal direction of the main base 102 to be seated, and at the same time, a cross section for fixing the die module 130 to the lower housing 110 is formed. '' The lower clamp 180 and the punching module 150 are slidably mounted to the upper housing 120 in a horizontal direction, and at the same time, the punching module 150 is fixed to the upper housing 120. This "b" shaped upper clamp 190 is included.

The die module 130 includes a lower holder plate 134 disposed on the lower housing 110 and having a stepped portion 132 to slide between the lower clamp 180 and the lower housing 110. The die plate 136 is installed on the lower holder plate 134, and the die 138 is provided on the die plate 136.

The punching module 150 includes an upper holder plate 154 positioned below the upper housing 120 and having a stepped portion 152 to slide between the upper clamp 190 and the upper housing 120, and the upper portion. A punching plate 156 is installed below the holder plate 154 and a punching 158 is installed below the punching plate 156. The punching 158 consists of a punching holder plate 170 and a stripper 172, and a punching mechanism 106 such as a pin and a spring is installed therebetween.

However, in the present invention, the upper housing 120, the upper holder plate 154 and the punching plate 156 are used repeatedly without being replaced, but only the punching 158 is replaced according to the molding object. Accordingly, the punching 158 is not limited, and punching includes various molding operations such as bending, piercing, and blocking.

The upper side of the press machine is provided with a pressurizing unit 200 which is operated up and down by hydraulic pressure, and the upper housing 120 is pressed by the spring 116 when the upper housing 120 is pressed by the pressing unit 200. The guide bush 114 is spaced at a predetermined distance with respect to the 110, and the guide bush 114 is vertically reciprocated while being guided by the guide shaft 104.

In the present invention, the guide pin and the guide hole for vertically aligning the punching module 150 and the die module 130 are not provided. Accordingly, the alignment pin 210 is used to align the punching module 150 and the die module 130 up and down as shown in FIG. 5.

The punching module 150 composed of the upper holder plate 154, the punching plate 156 and the punching 158 has at least two vertical alignment holes 154 ′, 156 ′, and 158 ′ penetrating from the top to the bottom thereof. And at least two fitting grooves 120 'are formed in the upper housing 120 at positions corresponding to the fitting holes 154', 156 ', and 158'.

Therefore, when the fitting pin 210 is inserted into the fitting groove 120 'of the upper housing 120 and the fitting holes 154', 156 ', and 158' of the punching module 150, the upper housing 120 and the punching module The front and rear left and right intervals between the 150 and the punching modules 150 are automatically coincided with each other, and the upper housing 120 and the punching module 150 are moved back and forth even if a considerable pressure is applied by the pressing unit 200 during the press operation. Do not flow or distract from

The die module 130 composed of the lower holder plate 134, the die plate 136, and the die 138 is also formed with a plurality of vertically aligned fitting holes 134 ′, 136 ′, and 138 ′, and has a lower housing. Custom grooves 110 ′ are formed in 110.

One side of the alignment pin 210 is formed with a horizontal groove 212 of a long rectangular shape in the horizontal direction, it is rounded at both edges. A fixing screw 220 is installed in the vertical direction with respect to the alignment pin 210. A screw groove 145 " is formed horizontally in one side of the upper holder plate 154 so as to communicate with the alignment hole 154 '. A screw groove 134 " is also formed in the lower holder plate 134. .

The fixed screw 220 is composed of a screw body 222 and a horizontal rod 224 extending from one side of the screw body 222 and inserted into the horizontal groove 212. The diameter of the horizontal rod 224 coincides with the height of the horizontal groove 212. The horizontal rod 224 is installed eccentrically with respect to the screw body 222 so that when the screw body 222 is rotated, the horizontal rod 224 is rotated while drawing a circle as the diameter of the screw body 222 . The other side of the screw body 222 is provided with a stove groove 226 is inserted into the stove.

Therefore, while the alignment pin 210 is inserted into the alignment holes 134 ', 136', 138 ', 154', 156 ', and 158', the fixing screw 220 is inserted into the screw groove 145 " Fixing the 210, by rotating the screw body 222 it is possible to move the alignment pin 210 up and down as shown in Figs.

As such, adjusting the alignment pin 210 up and down using the fixing screw 220, first, assembling the punching module 150 or the die module 130 using the alignment pin 210, and then assembled the module 130, Custom grooves formed on the bottom of the upper housing 120 or the upper surface of the lower housing 110 by rotating the fixing screw 220 in the state in which the 150 is stored in the clamps 180 and 190, respectively. Inserted into (120 ', 110') is to match the vertical alignment of the housing (120, 110) and the module (150, 130).

That is, the front and rear left and right positions of the upper holder plate 154, the punching plate 156 and the punching 158 using the alignment pin 210 and then fixed using a plurality of bolts 230. At this time, the alignment pin 210 is located through the alignment holes 154 ', 156, 158' of each plate, the upper end of the alignment pin 210 is located at least under the upper surface of the upper holder plate 154, assembly Insert the punching module 150 into the upper clamp 190 in a sliding manner, and then rotate the fixing screw 220 using a stove or the like to raise the alignment pin 210 onto the upper surface of the upper holder plate 154. When seated in the seating groove 120 ′, vertical alignment between the upper housing 120 and the upper module 150 is also completed.

As described above, in the present invention, except for the upper and lower housings which are reciprocated vertically while being guided by the guide post during the production of the press die, all the mold plates must be molded according to the stacked molding objects. The upper and lower housings, as well as the holder plate and the punching or die plate are used as it is, but only the punching holder plate and stripper that directly acts on the molding can be seen that the configuration to save the mold cost as a technical idea. Within the scope of the basic technical idea of the present invention, many other modifications will be possible to those skilled in the art.

As described above, according to the configuration of the present invention, the following effects can be expected.

First, by not processing separate post pins on the punching module and the die module, an effect of shortening the production process due to the processing of the post pins is expected.

Second, by receiving the module in the horizontal direction by using a clamp provided on the bottom or the upper surface of the housing is expected to work easy to increase the productivity effect.

Third, because the dowel pin is installed through various plates and connects the module and the housing, an additional dosing process is omitted when setting, thus reducing the work time.

Fourth, even when pressure is applied to the module when punching, it is expected that the effect of reducing the defective rate of the product during molding is not disturbed by the fitting pin.

Claims (15)

Up and down housings fixed to the press machine and reciprocating up and down while being guided by guide posts, and having upper and lower clamps respectively installed on the bottom and the upper surfaces thereof; Upper and lower holder plates each having a stepped portion at both sides to be received in the horizontal direction of the housing by the clamp; A punching and a die which are respectively installed on upper and lower portions of the upper and lower holder plates to insert products therebetween and perform punching; Post-free mold apparatus, characterized in that configured to include. The method of claim 1, The upper and lower holder plate and the punching, the die is formed with a fitting hole penetrating in the vertical direction, Custom grooves corresponding to the fitting holes are formed in the upper and lower housings, Post-forming mold apparatus, characterized in that the alignment pin is inserted into the alignment hole and the alignment groove. The method of claim 2, One side surface of the upper and lower holder plates extend in the horizontal direction to form a screw groove communicating with the alignment groove, The screw groove is provided with a fixed screw is installed, characterized in that for fixing the alignment pin. The method of claim 3, wherein The alignment pin is The post-free mold apparatus, characterized in that formed on one side is elongated in the transverse direction and rounded rectangular grooves on both sides. The method of claim 4, wherein The fixing screw, Screw body formed with a thread on the outer peripheral surface, One side of the screw body is eccentrically extending from the center of rotation of the screw, the diameter is equal to the height of the horizontal groove, the horizontal rod is inserted into the horizontal groove, The other side of the screw body is provided, no post mold apparatus, characterized in that it comprises a stove groove for rotating the fixed screw. A lower housing installed on the main base of the press and having a guide shaft extending upward at an upper edge thereof; An upper housing installed above the lower housing and having a guide bush extending downward to guide the guide shaft; A die module installed on the lower housing to seat a molding object during operation; A punching module installed below the upper housing and provided with a punching guitar forming mechanism to punch and mold the molding object; A lower clamp installed on an upper surface of the lower housing such that the die module is received in a sliding manner in a horizontal direction of the lower housing; An upper clamp installed at a bottom of the upper housing such that the punching module is received in a sliding manner in a horizontal direction of the upper housing; Post-free mold apparatus, characterized in that configured to include. The method of claim 6, The lower clamp has a "b" shaped cross-section, the upper clamp is a post-shaped mold apparatus, characterized in that the "b" shaped. The method of claim 6, The die module, A lower holder plate positioned on the lower housing and having a step portion to slide between the lower clamp and the lower housing; A die plate installed on the lower holder plate; A die installed on the die plate; Post-free mold apparatus, characterized in that configured to include. The method of claim 6, The punching module, An upper holder plate positioned below the upper housing and having a step portion to slide between the upper clamp and the upper housing; A punching plate installed under the upper holder plate; Punching is installed below the punching plate; Post-free mold apparatus, characterized in that configured to include. The method of claim 9, The punching is, Post-free mold apparatus, characterized in that consisting of a punching holder plate and a stripper is provided between the punching and other forming mechanisms such as pins. The method of claim 6, The punching module and the die module are each formed with a fitting hole penetrating in the vertical direction, Custom grooves corresponding to the fitting holes are formed in the upper and lower housings, Post-forming mold apparatus, characterized in that the alignment pin is inserted into the alignment hole and the alignment groove. The method of claim 6, The alignment pin is a post-free mold apparatus, characterized in that the horizontal groove is formed in a long rectangular in the transverse direction on one side. The method of claim 12, One side of the module is inserted in the horizontal direction, the post-free mold apparatus, characterized in that it further comprises a fixing screw for fixing or moving the alignment pin. The method of claim 13, The fixed screw is composed of a horizontal rod extending from one side of the screw body and the screw body and inserted into the horizontal groove, The other side of the screw body is a post-free mold apparatus, characterized in that provided with a groove for rotating the fixed screw. The method of claim 14, The horizontal rod is installed eccentrically with respect to the screw body so that when the screw body rotates, the horizontal rod rotates while drawing a circle equal to the diameter of the screw body, Post-free mold apparatus characterized in that the dowel pin is reciprocated vertically by the horizontal rod.

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