KR100427351B1 - A clinching type hemming machine equiped flexible die carrier - Google Patents

Abstract

The present invention relates to a precision clinching type hemming machine equipped with a flexible die carrier, comprising: a base, a main body installed on the base, a die member provided on an upper surface of the main body, and supporting the overlapping first and second panels; The die member drive rack is installed on the bottom of the main body and is equipped with a pinion on the rotating shaft, the servo controller for controlling the servo motor, and the up and down drive in engagement with the pinion of the servo motor. And a body provided to be detachably attached to an upper surface of the main body and having a space for moving the die member, and prior clinching means for bending the first panel of the die member at a predetermined angle to both sides of the space portion of the body. And a main clinching means installed on the body of the upper side of the preceding clinching means and further bending the first panel to the second panel. And a flexible die carrier.

Description

Precision clinching type hemming machine with flexible die carrier {A CLINCHING TYPE HEMMING MACHINE EQUIPED FLEXIBLE DIE CARRIER}

The present invention relates to a precision clinching type hemming machine equipped with a flexible die carrier, and more specifically, one die member is lifted by using a rack and pinion, and the preceding clinching means and the main clinching of the orthogonal driving method. The present invention relates to a precision clinching type hemming machine equipped with a flexible die carrier, by which the first panel and the second panel can be joined by means, thereby reducing the equipment manufacturing cost.

In general, a method of joining a member consisting of an inner panel and an outer panel, such as a vehicle body, is mainly used to fasten or weld two members by using bolts or rivets.

However, the fastening method using bolts or rivets requires a separate fastening member and a lot of fastening labor, and the joining process using welding has a problem that the welding work is difficult and traces remain after welding. Hemming (Hemming) method of hitting and folding to be folded on the inner panel has been adopted a lot.

1 is a diagram schematically showing a hemming machine according to the prior art, and FIG. 2 is a diagram schematically showing a hemming die installed and operated in the hemming machine of FIG.

As shown in Figs. 1 and 2, the conventional hemming die 1 is provided with an upper mold 3 and a lower mold 5, and the hemming die 1 is mounted on a die carriage 7 to hemming machine. (9) It is carried inside. The upper mold (3) is coupled to the ram (2) and the lower mold (5) is fixed to the sliding base (4), the hemming operation is made by the vertical operation of the ram (2) in this state.

3 is an enlarged view of portion 'A' of FIG. 2, and as shown, the outer panel 8 having the flange 6 is mounted on the tip of the upper protrusion of the lower mold 5 and the upper mold 3 The upper punch 15 which presses the clamp 13 and the flange part 6 of the outer panel 11 downward so that the inner panel 8 installed in the inner side of the outer panel 11 may be fixed to protruding downward) do.

In addition, the lower mold 5 is provided with a pre-punch 17 for applying a striking force so that the flange portion 6 pressed and pressed by the upper punch 15 is completely folded to be in close contact with the inner panel 8.

When the hemming machine 9 is operated in this state, the upper mold 3 installed on the ram 2 is lowered so that the clamp 13 and the upper punch 15 are lowered, so that the clamp 13 is the inner panel 8. At the same time, the upper punch 15 is bent inward by pressing the flange portion 6 of the outer panel 11, and in this state, the prepunch 17 strikes the flange portion 6 to perform a hemming operation. Done.

However, the conventional hemming machine is expensive to manufacture the equipment, it is operated by hydraulic pressure, the operating environment is not clean, and the work is not precisely performed by the link type prepunch, the quality of the hemming is reduced. In addition, there is a problem in that it is difficult to identify, repair and repair due to the complex structure of the equipment and to cope with the multi-vehicle method.

The present invention was created to solve the above-mentioned problems, and is capable of dealing with multiple vehicles, is easy to repair and repair, and is equipped with a flexible die carrier capable of improving work quality by precision control. The purpose is to provide a ching type hemming machine.

1 schematically shows a hemming machine according to the prior art;

FIG. 2 is a schematic illustration of a hemming die installed and operated in the hemming machine of FIG.

3 is an enlarged view of a portion 'A' of FIG. 2;

4 is a schematic illustration of a precision clinching type hemming machine equipped with a flexible die carrier in accordance with a preferred embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10 ... base 20 ... body

30.Die member 31 ... First panel

33 2nd Panel 40 Servo Motor

41 ... Pinion 43 ... Die Member Drive Rack

50 ... Servo Controller 60 ... Die Carrier

The precision clinching type hemming machine equipped with the flexible die carrier of this invention for achieving the said object is a base; A main body installed on the base; A die member installed on an upper surface of the main body and supporting the overlapped first / second panels; A servo motor installed on the bottom of the main body and having a pinion mounted on a rotating shaft; A servo controller for controlling the servo motor; A die member driving rack engaged with the pinion of the servomotor and driven up and down and having one end coupled to the die member to lift the die member; And a body provided to be detachably attached to an upper surface of the main body and having a space for moving the die member, and bending the first panel of the die member to the second panel side at both sides of the space portion of the body. And a flexible die carrier comprising a preliminary clinching means and a main clinching means installed on the body on the upper side of the preliminary clinching means and further bending the first panel to the second panel side. .

In the present invention, both sides of the rack is installed with an Elm guide is characterized in that the guide guide the operation of the die member drive rack.

In the present invention, the preceding clinching means, the preceding motor member is installed in the die carrier and the pinion is mounted on the rotating shaft; And a first rack having a preceding pressing member which is engaged with the pinion of the preceding motor member and is bent at an angle to the first panel by a predetermined angle.

In the present invention, the main clinching means, the main motor member is installed on the body above the preceding motor member, the pinion is mounted on the rotating shaft; And a main pressurizing member which is engaged with the pinion of the main motor member and is installed at the front end to bend and join the first panel to the second panel.

In the present invention, the preceding motor member is characterized in that the stepping motor capable of precise control.

In the present invention, the main motor member is characterized in that the stepping motor capable of precise control.

Hereinafter, a precision clinching type hemming machine equipped with a flexible die carrier according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention and to those skilled in the art to fully understand the scope of the invention. It is provided to inform you.

4 is a schematic view of a precision clinching type hemming machine equipped with a flexible die carrier according to a preferred embodiment of the present invention.

As shown in FIG. 4, the precision clinching type hemming machine 100 equipped with the flexible die carrier according to the present invention includes a base 10, a main body 20 installed on the base 10, A die member 30 installed on an upper surface of the main body 20 to support the first and second panels 31 and 33, a servo motor 40 installed on a lower surface of the main body 20, and A servo controller 50 for controlling the servo motor 40, a die member drive rack 43 engaged with and lifted by a pinion 41 coupled to a rotational shaft of the servo motor 40, and the die member drive rack 43 The die carrier 30 which is lifted and lowered by the &lt; RTI ID = 0.0 &gt;) &lt; / RTI &gt; and the first and second panels 31 and 33 provided to the die member 30 and detachably mounted to the main body 20 are formed. ).

The base 10 has a plate shape, the main body 20 is coupled to the upper surface.

The main body 10 refers to a press body, and the die member 30 is located on the upper surface of the main body 10.

First and second panels 31 and 33 to be joined are positioned on the upper surface of the die member 30. The first panel 31 refers to a panel in contact with the die member 30, and the second panel 33 refers to a panel located on an upper surface of the first panel 31. The first and second panels 31 and 33 refer to panels requiring mutual bonding, such as an inner panel and an outer panel of a vehicle door.

On the other hand, the servo motor 40 is installed on the bottom of the main body 20. The servo motor 40 is controlled by the servo controller 50. The servo controller 50 controls the servo motor 40 to control the position and speed of the die member 30. The pinion 41 is installed on the rotation shaft of the servomotor 40, and the die member driving rack 43 is engaged with the pinion 41 so that the die member driving rack 43 is lifted by driving the servomotor 40. Driven.

As such, one end of the die member driving rack 43 is engaged with the pinion 41, and the other end of the die member 30 is coupled. Therefore, the die member 30 has a structure that is elevated together by the drive of the die member drive rack 43.

On the other hand, the die carrier 60 is installed on the upper portion of the main body 20 to be detachable.

The die carrier 60 has a body 63 provided with a space portion 61 through which the die member 30 driven up and down is moved, and a preliminary clean installed on both sides of the space portion 61 of the body 63. And a main clinching means 67 provided on the body 63 on the upper side where the preceding clinching means 65 is installed.

The preceding clinching means (65) is installed on the body (63) and is engaged with the pinion of the preceding motor member (69) and the pinion of the preceding motor member (69), the pinion of which is mounted on a rotating shaft, and the first panel (31) at the tip. Is provided with a first rack 64 on which a preceding pressing member 62 is bent at a predetermined angle approximately 45 ° to the second panel 33 side. The preceding motor member 69 is preferably provided with a stepping motor that is easy to precisely control.

The main clinching means 67 is installed on the body 63 on the upper side of the preceding motor member 69 and is engaged with the pinion of the main motor member 66 and the main motor member 66 having the pinion mounted on the rotating shaft. The main pressing member 68 which joins the 1st panel 31 and the 2nd panel 33 mutually by installing the 1st panel 31 by the 2nd panel 33 further is provided. The main motor member 66 is preferably provided as a stepping motor (Easy stepping motor).

That is, the first panel 31 and the second panel 33 provided in the die member 30 moved in the space portion 61 of the die carrier 60 are preceded by the clinching means 65 and the main clinching means. By 67 precise control action, they are sequentially bonded to each other.

The operation of the precision clinching type hemming machine equipped with the flexible die carrier according to the present invention having the above configuration will be described.

The robot (not shown) loads and seats the first panel 31 and the second panel 33 on the die member 30 of the precision clinching type hemming machine 100 equipped with the flexible die carrier according to the present invention.

Next, the die member 30 is raised by the die member drive rack 43 and the pinion 41 provided on the rotation shaft of the servomotor 40 using the servo motor 40 as the power source.

Then, the first panel 31 is clinched at an approximately 45 ° angle by an orthogonal driving method in the direction of the second panel 33 by the preceding clinching means 65 using the preceding motor member 40 as a power source.

Next, the die member 30 is further raised, and the first panel 31 is further bent in an orthogonal driving manner by the main clinching means 65 which uses the main motor member 69 as a power source, thereby providing a first panel 31. ) And the second panel 33 are clinched together. After that, the die member 30 is lowered in the downward direction by about 10 mm and then rises again to finish the work.

Then, the die member 30 is returned to its original position, and the first and second panels 31 and 33 which are hemmed upon completion of work are unloaded by a robot (not shown).

The precision clinching type hemming machine equipped with the flexible die carrier according to the present invention as described above has the following effects.

By raising and lowering one die member by using a drive rack and pinion, and joining the first panel and the second panel by using the preliminary clinching means and the main clinching means of the orthogonal driving method, the equipment manufacturing cost is increased. Savings.

In addition, the die carriers can be exchanged as necessary to facilitate maintenance and repair.

The present invention has been described above with reference to the embodiments shown in the drawings. However, the present invention is not limited thereto, and various modifications or other embodiments falling within the scope equivalent to the present invention are possible by those skilled in the art. Therefore, the true scope of protection of the present invention should be defined by the following claims.

Claims (6)

Base; A main body installed on the base; A die member installed on an upper surface of the main body and supporting the overlapped first / second panels; A servo motor installed on the bottom of the main body and having a pinion mounted on a rotating shaft; A servo controller for controlling the servo motor; A die member driving rack engaged with the pinion of the servomotor and driven up and down and having one end coupled to the die member to lift the die member; And A body which is detachably installed on an upper surface of the main body and has a space for moving the die member, and prior to bending the first panel of the die member at a predetermined angle to both sides of the space portion of the body at a predetermined angle; Flexible die carrier comprising a clinching means and a main clinching means installed on the body on the upper side of the preceding clinching means and further bending the first panel to the second panel side. Precision clinching type hemming machine with die carrier. The method of claim 1, Precision clinching type hemming machine equipped with a flexible die carrier, characterized in that the guide is installed on both sides of the rack to guide the operation of the die member drive rack. The method of claim 1, The preceding clinching means, A preceding motor member mounted to the die carrier and mounted with a pinion on a rotating shaft; And Precision clean with a flexible die carrier, characterized in that the first rack is equipped with a preceding pressing member which is engaged with the pinion of the preceding motor member and bends the first panel to the second panel by a predetermined angle. Ching Type Heming Machine. The method of claim 1, The main clinching means, A main motor member installed on a body above the preceding motor member and having a pinion mounted on a rotating shaft; And A precision clinching type hemming machine equipped with a flexible die carrier, characterized in that the main pressing member is moved in engagement with the pinion of the main motor member, and a main pressing member is installed at the front end to bend and join the first panel to the second panel. The method of claim 3, And said preceding motor member is a stepping motor capable of precision control. The method of claim 4, wherein The main motor member is a precision clinching type hemming machine equipped with a flexible die carrier, characterized in that the stepping motor capable of precise control.