KR20100120384A - Mold for press molding of door hinge - Google Patents

Abstract

PURPOSE: A compatible press mold for a vehicle door hinge is provided to adjust the width of a molding groove with an easy operation using a ball screw. CONSTITUTION: A compatible press mold for a vehicle door hinge comprises a lower mold(100) and an upper mold. The lower mold has a U-shaped molding groove(120) on top in which a pair of side blocks(121) are arranged to move horizontally on a base and a lifting block(122) supporting the side blocks is installed outside the side blocks and moves vertically. A height adjusting part for controlling phase is formed in the lifting block. The moving width of the side blocks is increased when the lifting block is raised by the height adjusting part and decreased when the lifting block is lowered. Therefore, the width of the U-shaped molding groove is controlled according to the thickness of a plate material.

Description

Press mold for vehicle door hinge with common use {Mold for press molding of door hinge}

The present invention relates to a press mold for a vehicle door hinge having a common property, and more particularly, both ends of the plate-like member are seated on a lower mold having a 'm-shaped forming groove, and then an upper mold having a' m'-shaped forming protrusion is provided. It is configured to press-form by pressing through the door hinge of the '∪', and in particular, the width of the 'm-shaped forming groove provided in the lower mold is configured to enable the press forming of plate members having various thicknesses. It relates to a press mold for a vehicle door hinge having a.

In general, a vehicle door hinge bundle installed between the vehicle and the door to open and close the door is connected to a pair of door hinges through a hinge shaft as shown in FIG. 1.

The door hinge constituting the door hinge bundle for a vehicle deploys a roll-shaped iron plate having a large area, and then obtains a plate member having a shape required for the iron plate, and forms a hinge hole through both sides of the obtained plate member. Next, the plate-like member is manufactured through a press process including a bending process of bending the '∪' type.

Then, the bending process, the plate-like member obtained through the piercing is formed in the order to press the through the upper die provided with a '∪' shaped molding projection, and then ' A tolerance equal to the thickness of the plate member must be formed between the inner wall of the shaping groove and the shaping protrusion of the shaping groove.

On the other hand, in general, the roll-shaped iron plate forming the base material of the door hinge, the thickness of the front end portion, the middle portion and the second half portion during the manufacturing process, even if the plate member obtained from the same roll-shaped iron sheet by this thickness variation, Deviation in thickness occurs.

Therefore, in the related art, the support blocks are fixed to both sides of the lower mold through fastening, respectively, to form a '∪' shaped groove, and the operator changes the fastening position of the support block in consideration of the deviation value of the plate member. The width of the shaping groove of the '∪' type is configured to be adjusted.

However, the process by which the operator changes the fastening position of the fixed block to adjust the width of the '∪' shaped groove, is very cumbersome and takes a lot of time according to the work, which impairs the continuity of the work and decreases productivity The problem arises.

An object of the present invention devised to solve the above problems, the both ends of the plate-like member is seated on the lower mold formed with a 'm-shaped forming groove, and then pressed through the upper mold provided with a' ∪ 'shaped molding protrusion,' 도어 'door hinge is configured to press-molded, in particular is configured to enable the width adjustment of the' ∪-shaped forming groove provided in the lower mold, the vehicle door hinge having a common structure configured to enable the press molding of the plate-shaped member of various thickness To provide a press mold.

The above object is achieved by the following configuration provided in the present invention.

Press mold for vehicle door hinge having commonality according to the present invention,

A lower mold having a '∪' shaped groove formed on an upper portion of the base body; It consists of an upper mold with a '∪' shaped protrusion formed in the lower part, and the upper mold moves up and down through the '∪' shaped forming protrusion through the lower and lower '에' shaped groove where the plate member is seated. In the press mold of the door hinge for a vehicle configured to plastically deform the plate-shaped member into a '∪' type door hinge,

Forming groove of the '형성된' type formed on the upper portion of the lower mold, a pair of side blocks on both sides of the base is arranged in a left and right transport structure, the lifting block for supporting the side block on the outside of the side block up and down Exposed in a lifting structure, the outer surface of the side block and the inner surface of the side block is configured to face up and down, these opposite outer surface and the inner surface is composed of an inward inclined surface inclined gradually inwardly from the bottom to the top On the other hand, the elevating block is provided with a height adjusting unit for adjusting the phase, when the elevating block is elevated by the control of the height adjusting unit, the movement width of the side block supported by the inward inclined structure is widened, the inclined inward structure when the elevating block is lowered It is configured to narrow the moving width of the side block supported by

By adjusting the left and right positions of the side block supporting both sides of the plate member to be bent by lifting the lifting block up and down according to the thickness of the plate member, it is configured to be able to adjust the width of the '∪' shaped groove formed in the base body It is done.

Preferably, the height adjustment portion, the control block is disposed in the front and rear transfer structure is disposed on the bottom surface of the lifting block, and comprises a ball screw for advancing the control block,

The upper surface of the adjusting block and the lower surface of the elevating block form an upwardly inclined structure in which the inclination angle increases from the first half to the second half, and the phase of the elevating block is increased by rotating the ball screw in the forward direction and advancing the adjusting block. Rotate in the reverse direction to retract the control block is configured to lower the phase of the lifting block.

More preferably, a spring is installed between the base and the inner side of the side block, the side block is configured to have a tendency to move outward by the elastic force of the spring, the outer surface of the side block is always inside the lifting block It is configured to keep in close contact with the side.

In the present invention, the servo motor is installed at the end of the ball screw, and the control block for adjusting the phase of the lifting block by the forward and reverse driving of the servo motor is configured to be made.

As described above, in the present invention, both ends of the pierced plate-like member is seated on the lower mold formed with a 'm-shaped forming groove, and then pressurized through the upper mold provided with a' m'-shaped forming protrusion, and the door of the 'm'. In suggesting the press mold of the door hinge configured to press-form the hinge, side blocks forming both side walls of the forming groove are provided in a left-right conveying structure, and the outer surface of the side block is configured to be supported by the lifting block. An inwardly inclined structure is formed between the side block and the elevating block, and the movement width of the side block and the forming groove is adjusted by the up and down of the elevating block.

When configured in this way, when the width of the molding groove is configured to be adjustable, it is possible to form a plate member having a different thickness, so that it has commonality. It can have the convenience of operability.

Hereinafter, with reference to the accompanying drawings will be described in detail a press mold for a vehicle door hinge having commonality proposed as a preferred embodiment of the present invention.

1 shows the overall configuration of a press mold for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention, Figure 2 is a vehicle door hinge press having a commonality proposed as a preferred embodiment in the present invention Figure 3 shows the manufacturing process of the door hinge through the mold in sequence, Figure 3 shows the configuration of the lower mold in the press mold for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention, Figure 4 and FIG. 5 is a view illustrating a width control state of a molding groove provided in a lower mold in a press mold for a vehicle door hinge having commonality proposed as a preferred embodiment of the present invention.

The press mold 1 for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention, as shown in Figs. 1 and 2, '∪' shaped groove 120 in the upper portion of the base body 110 A lower mold 100 formed with; The upper mold 200 includes the upper mold 200 in which the molding protrusion 210 of the '∪' type is disposed in the lower portion, and the upper mold 200 in the molding groove 120 of the lower mold in which the plate member P is seated. This lowering is made to advance and inject the molding protrusion 210 of the '∪' type, so that the plate-like member P is plastically deformed into the '∪' type door hinge p '.

Referring to the drawings, the 'm' shaped groove 120 formed on the upper portion of the base body 110 constituting the lower die 100 has a pair of side blocks 121 left and right on both sides of the base surface. It is formed in the form, as shown in Figure 2a the '∪' shaped grooves 120 is provided with a plate-shaped member (P) is seated on the upper portion of the lower mold 100 is provided with a '∪' shaped upper projection is provided When the lowering, the plate-like member is inserted into the '∪' shaped molding groove 120 by the pressure by the '∪' shaped molding protrusion 120 as shown in Figure 2b so that the bottom surface on the base surface, both sides The door hinge P ', which is in close contact with the inner surface of the side block and is plastically deformed into a' ∪ 'shape, and then plastically deformed into the' ∪ 'shape by the demolding member 130, is formed as shown in FIG. 2C. Demold in

Preferably, the forming groove 120 should always be placed in the plate-like member (P) having the same thickness, but the plate-like member to be supplied and manufactured in the field because the thickness is not constant, in this embodiment to solve this By providing a width adjusting structure that can easily adjust the width between the side block 121, it is possible to share by forming a plate member having a different thickness.

To this end, in this embodiment, as shown in Figures 3 to 5, the side block 121 is installed in the left and right transport structure on the base body 110, while the side block (121) on the outside of the side block 121 An elevating block 122 for supporting the outer surface of 121 is provided in an up and down elevating structure.

According to this embodiment, the outer surface of the side block 121 and the inner surface of the elevating block 122 is configured to face up and down, these opposite outer surface and the inner surface is inclined inward gradually from the bottom toward the top To form an inwardly inclined structure (A).

Therefore, as shown in FIG. 4A, when the elevating block 122 rises, the moving width W of the side block 121 in which the inclined outer surface is in close contact with the inner surface of the inclined elevating block 122 is relatively wide. Also, as shown in FIG. 5A, when the elevating block 122 descends, the moving width W of the side block 121 inclined inward to the inner surface of the inclined elevating block 122 is relatively narrowed. do.

In the present embodiment is configured to enable the press working of the plate-like member (P) of various thickness by adjusting the moving width (W) of the side block 121 according to the lifting of the lifting block (122).

That is, when manufacturing a door hinge by pressing a relatively thick plate-like member to raise the lifting block 122 as shown in Figure 3 to set a wide width (W) of the side block 121, and a relatively thin plate-like In the case of manufacturing a door hinge by pressing the member, the lifting block 122 is lowered to form a narrow width W of the side block 121.

Here, the height adjustment of the elevating block 122 for adjusting the movement width (W) of the side block 121 is made by a height adjusting unit to be described later, in the present embodiment on the bottom surface of the elevating block 122 The control block 123, which is moved forward and backward by the forward and reverse rotation of the ball screw 124, is disposed, and the height adjustment part is provided so that the up and down lifting of the lifting block 122 can be achieved through the advance and fall of the control block 123.

The height adjustment unit, the control block 123 is disposed in the front and rear conveying structure on the bottom of the elevating block 122; It comprises a ball screw 124 for advancing the control block 123, the upper surface of the control block 123 and the bottom surface of the elevating block 122 is an up and down inclination structure in which the inclination angle is increased toward the second half in the first half ( B) is achieved.

Accordingly, as the ball screw 124 is rotated in the forward direction to move the control block 123 as shown in FIG. 4B, the phase of the elevating block 122 becomes relatively high, and the ball screw 124 is reversed as shown in FIG. 5B. When the control block 123 is retracted by rotating, the phase of the elevating block 122 is lowered.

Referring to the drawings showing a preferred embodiment the ball screw 124 penetrates through the lead bracket 124a having a lead in the inner diameter to retreat by forward and reverse rotation, the handle 125 is provided at the end of the forward and reverse through the handle 125 Although the ball screw 124 is configured to be moved in and out by rotation, a servo motor may be mounted as necessary to configure the moving distance of the adjusting block and the lifting height of the lifting block by electric motor. It is intended as a right of invention.

If the height adjustment unit is arranged to arrange the adjustment block 123 on the bottom of the lifting block 122 and the control block 123 to be advanced through the ball screw 124, in the press working process of the plate-like member The resulting strong impact is not transmitted directly to the ball screw 124.

In particular, when the transfer direction of the side block 121 for supporting the plate-like member to be bent and the control block 123 for supporting the bottom surface of the elevating block 122 as in the present embodiment orthogonal, the plate-like member (P) Even if excessive impact is generated on the side block 121 in the pressing process, since the strong impact generated during the press working of the plate member is not directly transmitted to the adjusting block 123 and the ball screw 124, the device is stable. Durability can be secured.

On the other hand, in the present embodiment to implement such a press mold 1, the spring 126 is installed between the base body 110 and the inner side of the side block 121, and thus the side block 121 is The spring force of the spring 126 tends to move outward. Thus, the outer surface of the side block 121 can always maintain a close contact state by the elastic force of the spring 126 on the inner surface of the elevating block 122.

Then, when the side block 121 is configured to maintain the state in close contact with the lifting block 122, the side block 121 located on the inside during the press working of the plate member suddenly transferred to the outside by interference with the plate member By colliding with the elevating block 122, the deformation or damage of the local or all of the device including the elevating block 122 and the side block 121 is generated, the problem that the noise caused by the collision can be solved.

1 is a view showing the overall configuration of a press mold for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention,

Figure 2 shows sequentially the manufacturing process of the door hinge through the press mold for the vehicle door hinge having a common suggestion in the present invention,

Figure 3 shows the configuration of the lower mold in the press mold for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention,

4 and 5 are sequentially showing the width control state of the molding groove provided in the lower mold in the press mold for a vehicle door hinge having commonality proposed as a preferred embodiment in the present invention.

**** Explanation of symbols for the main parts of the drawing ****

1. Press mold for vehicle door hinge

100. Bottom 110. Base Body

120. '∪' shaped groove 121. Side block

122. Elevation block 123. Control block

124. Ball screw 124a. Lead bracket

125. Handle 126. Spring

130. Demolding member

200. Upper 210. Forming protrusion of '∪' type

P. Plate member P '. Car door hinges

A. Inward Slope Structure B. Upward Slope Structure

Claims (3)

A lower mold having a '∪' shaped groove formed on an upper portion of the base body; It consists of an upper mold with a '∪' shaped protrusion formed in the lower part, and the upper mold moves up and down through the '∪' shaped forming protrusion through the lower and lower '에' shaped groove where the plate member is seated. In the press mold of the door hinge for a vehicle configured to plastically deform the plate-shaped member into a '∪' type door hinge, Forming groove of the '형성된' type formed on the upper portion of the lower mold, a pair of side blocks on both sides of the base is arranged in a left and right transport structure, the lifting block for supporting the side block on the outside of the side block up and down Exposed in a lifting structure, the outer surface of the side block and the inner surface of the side block is configured to face up and down, these opposite outer surface and the inner surface is composed of an inward inclined surface inclined gradually inwardly from the bottom to the top On the other hand, the elevating block is provided with a height adjusting unit for adjusting the phase, when the elevating block is elevated by the control of the height adjusting unit, the movement width of the side block supported by the inward inclined structure is widened, the inclined inward structure when the elevating block is lowered It is configured to narrow the moving width of the side block supported by By adjusting the left and right positions of the side block supporting both sides of the plate member to be bent by lifting the lifting block up and down according to the thickness of the plate member, it is configured to be able to adjust the width of the '∪' shaped groove formed in the base body Press mold for vehicle door hinge having commonality. According to claim 1, wherein the height adjustment portion, the control block is disposed in the front and rear conveying structure disposed on the bottom surface of the lifting block, and comprises a ball screw for advancing the control block, The upper surface of the adjusting block and the lower surface of the elevating block form an upwardly inclined structure in which the inclination angle increases from the first half to the second half, and the phase of the elevating block is increased by rotating the ball screw in the forward direction and advancing the adjusting block. Pressing for the door hinge, characterized in that the phase of the elevating block is lowered when the control block is retracted by rotating in a reverse direction. The method of claim 1, wherein a spring is installed between the base and the inner side of the side block, the side block is configured to have a tendency to move outward by the elastic force of the spring, the outer surface of the side block is always Door hinge press mold, characterized in that configured to keep in close contact with the inner surface.

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