KR100801113B1 - Simultaneous manufacturing machine for punching and bending of weather strip coupling bar - Google Patents

Abstract

An apparatus for simultaneously punching and bending a weather strip coupling bar of a vehicle door is provided to increase the productivity thereof by integrally forming a punching device and a bending device on a single apparatus. A simultaneous manufacturing apparatus for punching and bending a weather strip coupling bar of a vehicle door comprises a lower frame(200), a driving cylinder coupled at one side of the lower frame, a driving unit, a slide plate, a reference guide(600), an upper frame(700) coupled at an upper end of the reference guide, a plurality of punches(800) and a plurality of molds(900). The slide plate is linked with an upper side of the driving unit to move up and down. The reference guide is vertically coupled at two sides of the slide plate. The punches are installed on the bottom of the upper frame to simultaneously perform punching and bending processes. The mold is formed with a recess(920) mating to the punch and supports a material at an upper side of the lower frame.

Description

Simultaneous manufacturing machine for punching and bending of weather strip coupling bar}

Figure 1a is a front perspective view of the semi-finished product before molding the automobile door weather strip coupling bar.

Figure 1b is a perspective view of the rear of the finished product after molding the automobile door weather strip coupling bar.

1C is a cross-sectional view of an automobile door weather strip.

Figure 2 is a perspective view of the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar according to an embodiment of the present invention.

Figure 3 is a front view of the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar according to an embodiment of the present invention.

4A to 4B are side views of the punching and bending co-molding machine of the automobile door weather strip coupling bar according to an embodiment of the present invention.

5 is an assembly view of the punch and mold of the present invention.

6 is a perspective view of the leg of the present invention.

Explanation of symbols on the main parts of the drawings

100: Punching and bending simultaneous molding machine for automobile door weather strip coupling bar

110 material 120 bonding bar

130: Lip

200: lower frame 210: support rod

220: work plate 230: positive button

240: leg 241: leg cylinder

242: leg guide 243: lip holding member

244 leg body 245 cylindrical roller bearing

300: driving cylinder 310: bracket

321 Tie Rod 322 Trunnion Bracket

323 Trunnion Pin

400: drive unit 410: cylinder connecting member

420: guide plate 430: plate cam

431 guide hole 440 operating member

441: connecting pin 450: support member

460: Bearing

500: slide plate

600: Reference Guide 610: Guide Tube

700: upper frame

800: Punch 810: Punch Block

811: Bolt 820: Guide Block

821: guide ball 830: spring

840a, 840b: 1st Punch Guide

850a, 850b: 2nd Punch Guide

900: Mold 910a ~ 910d: Guide groove

920: recessed groove 930: fixed groove

940: Material Guide 950: Through Hole

960: limit switch 970: warning lights

The present invention relates to a punching and bending simultaneous molding machine for an automobile door weather strip coupling bar for forming a weather strip coupling bar for coupling a weather strip of an automobile to a door trim, and more particularly, punching and bending operations for forming a coupling bar are performed. It relates to a molding machine which is made simultaneously in one device.

Conventionally, a punching machine is used to form a bonding bar in a semi-finished weather strip, and the bending of the bonding bar uses a bending machine configured separately from the punching machine. Accordingly, in the conventional weather strip bonding bar forming method, two processes, a punching process for forming a bonding bar shape and a bending process for bending a punched bonding bar at a right angle, are sequentially performed by separate devices, thereby increasing productivity. Falling and working time is long, it is difficult to maintain a stable quality, increase the risk of work, there is a problem that occupies a lot of work space because it must be equipped with two devices punching machine and bending machine.

Therefore, in order to solve the above problem, the present invention punching and bending of the weather strip coupling bar is made on the same device to reduce the labor and increase productivity, and simultaneously punching and bending of the car door weather strip coupling bar that can shorten the working time It is an object to provide a molding machine.

The object of the present invention described above is a lower frame supported on the floor, a driving cylinder coupled to one side of the lower frame, a driving unit installed in the lower frame and interlocked with the driving cylinder, and a driving unit above the driving unit. A slide plate which interlocks and moves up and down, a reference guide coupled to both sides of the slide plate in a vertical direction, an upper frame coupled to an upper end of the reference guide, and mounted on a bottom of the upper frame and simultaneously punching and bending A plurality of punches to be carried out, and a recess groove corresponding to the punch is formed, and is achieved by the punching and bending co-molding machine of the automobile door weather strip coupling bar composed of a plurality of molds supporting the material on the upper side of the lower frame.

Here, the driving unit is hingedly coupled to the drive cylinder and the plate plate is formed on each of the upper side of the plate cam, the operation member is hinged to one end of each of the plate cam to move up and down and the other end is coupled to the slide plate, And a support member having one end coupled to the bottom of the guide plate and the other end hinged to the pair of bearings fixed to the inner side of the lower frame at intervals from each other.

In addition, the present invention is a support rod coupled to the upper direction of the lower frame in the vertical direction, the work plate is coupled to the upper end of the support bar and provided with a positive button, located between the work plate and the lower frame and flipped the lip of the material A plurality of legs for exposing the processing point, and a leg cylinder fixed to the rear of the leg and the cylinder rod is connected to the leg is characterized in that it further comprises.

In addition, the present invention is characterized in that it further comprises a take-out means consisting of a plurality of lifters protruding upward from the inside of the mold, and a plurality of take-out cylinders connected to the lower side of the lifter.

In addition, the present invention is characterized in that it is provided on the outside of the outermost mold of the mold, the reference point limit switch to inform whether or not through the warning lights whether it is set in the correct machining position.

Hereinafter, the present invention will be described in detail with reference to preferred embodiments of the accompanying drawings. Figure 1a is a front perspective view of the semi-finished product before molding the automobile door weather strip coupling bar, Figure 1b is a rear perspective view of the finished product after molding the automobile door weather strip coupling bar, Figure 1c is a cross-sectional view of the automotive door weather strip, Figure 2 is an embodiment of the present invention Perspective view of the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar according to the example, Figure 3 is a front view of the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar, Figure 4a to 4b Is a side view of the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar according to an embodiment of the present invention, Figure 5 is an assembly view of the punch and the mold of the present invention, Figure 6 is a perspective view of the leg of the present invention.

Punching and bending simultaneous molding machine 100 of the vehicle door weather strip coupling bar according to an embodiment of the present invention, as shown in Figures 1 to 5, the lower frame 200 is firmly supported on the floor and the lower A driving cylinder 300 coupled to one side of the frame 200, a driving unit 400 installed inside the lower frame 200 and interlocked with the driving cylinder 300, and a driving unit above the driving unit 400. A slide plate 500 which works in conjunction with the 400 and moves up and down, a reference guide 600 coupled to both sides of the slide plate 500 in a vertical direction, and an upper portion coupled to an upper end of the reference guide 600. A frame 700, a plurality of punches 800 mounted on the bottom surface of the upper frame 700 and simultaneously punching and bending, and recesses 920 corresponding to the cross-sectional shape of the punch 800 are formed. And a plurality of pieces supporting the material on the upper side of the lower frame 200 The mold 900 is configured.

Here, the lower frame 200 is a metal structure of a rectangular parallelepiped, is seated on the bottom to firmly support the mold 900, the bracket 310 is fixed to the upper side of the lower frame 200, the driving cylinder 300 is hinged to this bracket 310.

In this case, a hydraulic cylinder, an air cylinder, or the like may be used as the driving cylinder 300, and it is preferable to use a trunnion type air cylinder having a trunnion bracket 322 supported by the tie rod 321.

In addition, the drive unit 400 is hinged to the trunnion pin 323 of the trunnion bracket 322, the drive unit 400 is transmitted to the punch 800 to be described later the processing force by the drive cylinder 300 As a function of the guide plate, one end is coupled to the cylinder connecting member 410 hinged to the trunnion pin 323 and the guide plate 420 each having a plate cam 430 formed on both sides of the other end, respectively, Is coupled to the both ends of the slide plate 500 which is hinged by a pair of connecting pins 441 on the outside of the rectangular guide hole 431 formed in the plate cam 430 of the upper and lower ends and the other end will be described later Two pairs of operation members 440 and one end is coupled to the bottom surface of the guide plate 420 and the other end is hinged to a pair of bearings 460 fixed at intervals to each other inside the lower frame 200, respectively. It is preferable that the support member 450 is configured.

On the other hand, the end of the operating member 440 is coupled to the slide plate 500 by a flange, the slide plate 500 is a rectangular plate-shaped member in conjunction with the vertical motion of the operating member 440 lower frame ( 200) It moves up and down inside.

In addition, the cylindrical reference guide 600 is coupled to both ends of the slide plate 500, the reference guide 600 is back to the upper frame 200 through the guide tube 610 formed on the upper side of the lower frame 200 The nut is fastened.

In addition, a plurality of hexahedral punch blocks 810 are coupled to the bottom of the upper frame 200, and each punch block 810 is mounted with bolts 811 to replace the punches 800. As shown in FIGS. 2 and 3, the reference numeral 800 may be used to punch the contour of the coupling bar 120 to the material 110 while descending, and to bend the contour shape of the punched coupling bar 120 while descending. In the illustrated embodiment, eight punches 800 are shown in the punch block 810, but the number and shape of the punches 800 and the distance between the punches 800 may be adjusted as necessary.

In addition, the punch 800 performs a punching operation through the guide hole 821 of the guide block 820, and the punch block 810 and the guide block 820 are four punch guides in which the spring 830 is coalesced ( 840a ~ 850b) is guided up and down. At this time, the two primary punch guides 840a and 840b positioned in the diagonal direction are inserted into the guide grooves 910a and 910d of the mold 900 which will be described later even while the punch is being raised or lowered to guide the punch 800. The remaining two secondary punch guides 850a and 850b are inserted into the guide grooves 910b and 910c when descending, and are separated from the guide grooves 910b and 910c when rising, and the secondary punch guides 850a and 850b are raised. The guide block 820 is fixed to the bolt is moved together.

On the other hand, the upper portion of the lower frame 200 is provided with a mold 900 corresponding to the punch 800, the upper surface of the die 900 recessed groove 920 corresponding to the shape of the punch 800. And, when one side of the raw material 110 is inserted during processing is formed a fixing groove 930 provided to be fixed to the raw material 110 during processing, the punch guide 840a when the punch guide (840a ~ 850b) is lowered 850b) four guide grooves 910a to 910d are formed to insert the ends to prevent shaking of the punch 800 during processing.

In addition, the material guide 940 for supporting the material 110 to the mold 900 on one side of the mold 900, and fixed to the rear of the material guide 940, the cylinder rod is extended to the material guide 940 It is preferable that a support cylinder (not shown) connected in a closed state is provided, and the material guide 940 is provided to guide an accurate processing position of the coupling bar 120 and to prevent shaking of the material 110 during molding. As a step, a step is formed at one end in the height direction, and a support groove is formed at the step. Therefore, when the support cylinder is driven, the cylinder rod is contracted and one side end of the material 110 is inserted into the support groove of the material guide 940 to prevent the shaking of the material 110 during processing. As the rod is extended, the material guide 940 comes out in front of the mold 900 and the material 110 is separated from the support groove. At this time, in order to prevent damage to the material 110 by the material guide 940, the material guide 940 is preferably a material such as synthetic resin.

In addition, the mold 900 is preferably provided with a material take-out means to easily separate the material 110 from the mold 900 after processing, the through hole 950 on one side of each recess groove 920 The cylinder rod pushes the lifter by the operation of the ejection cylinder (not shown) formed at the lower end of the lifter by inserting a cylindrical lifter (not shown) into the through hole 950. It is preferable to push the material 110 from the mold 900 while protruding upward from the inside.

In addition, it is preferable to use the limit switch 960 in order to form the coupling bar 120 in the correct position of the material (110). The limit switch 960 is installed on the outer side of the outermost mold 900 of the mold 900, one end in the longitudinal direction of the material 110 to reach the limit switch 960, the two contact points of the switch is connected When the current flows so that the beacon 970 installed on the lower frame 200 is turned on. In this case, the limit switch 960 is installed at the same height as the mold 900 on which the material 110 is seated, and adjusts the position at which the first coupling bar is molded in the material 110 by adjusting a gap with the mold 900. Therefore, if the material guide 940 guides the forming position of the coupling bar 120 in the width direction of the material 110, the limit switch 960 is the coupling bar 120 in the longitudinal direction of the material 110 By guiding the molding position, it ensures the stable quality of the finished product.

On the other hand, the upper side of the lower frame 200 is coupled to the support rod 210 with a screw in the vertical direction, the rectangular work plate 220 is provided with a positive button 230 on the upper end of the support rod 210 is coupled do. Between the work plate 220 and the lower frame 200 is repeated a number of legs 240 to expose the point where the coupling bar 120 will be processed in the material 110 by repeating the lip 130 of the material by repeating forward and backward And a plurality of leg cylinders 241 are fixed to the rear of the leg 240 and the cylinder rod is connected to the leg body 244 to provide driving force for the leg 240 to move forward and backward. As the leg cylinder 241, it is preferable to use an air cylinder.

At this time, the number of the legs 240 is preferably the same as the number of the coupling bar 120 to be molded, in this embodiment shown the eight legs 240 is provided, but can be adjusted as needed. In addition, the leg 240 is moved forwards and backwards on the leg guide 242 coupled to the bottom surface of the work plate 220, a pair of lip holding member 243 both sides of the hexahedral leg body 244 Each end is coupled to the middle, and the middle portion is bolted with a cylindrical roller bearing 245 in between, one end of the spring (not shown) is coupled to both ends of the bolt and the other end of the spring (not shown) is the leg guide 242 Is coupled to both sides, and by the elastic restoring force of the elongated spring when the leg 240 is advanced, it is returned to its original position while contracting upon retraction. Therefore, when the leg cylinder 244 is operated and the leg body 244 is moved forward, the cylindrical roller bearing 245 comes into contact with the leg guide 242 and the lip holding member 243 is advanced, and the lip ( 130) is folded to expose the machining position, after processing the elongated spring is contracted and the leg 240 is returned to its original position.

Referring to the operation according to a preferred embodiment of the punching and bending simultaneous molding machine of the vehicle door weather strip coupling bar having the above-described configuration is as follows.

First, the material 110 is seated on the mold 900. At this time, one end of the material 110 touches the limit switch 960 provided on one side of the outermost mold 900 so that two contact points of the limit switch 960 are connected to each other. 970) is turned on.

Thereafter, as the support cylinder is operated, the material guide 940 supports the material 110 to the mold 900, and the leg cylinder 241 is operated so that the leg 240 is operated at the bottom of the work plate 220. Advancing along the leg guide 242 toward the lip member 243 exposes the forming point of the coupling bar 120 by lifting the lip 130 of the material 110.

Here, the driving cylinder 300 is operated by pressing the pumping button 230 provided on the work plate 220, one end of the guide plate 420 is a cylinder connecting member 410 hinged to the driving cylinder 300 The other end is coupled to the support member 450 hinged to the bearing 460 fixed to the inner wall of the lower frame 200, the guide plate 420 rotates slightly about the bearing 460 And, the driving cylinder 300 is lowered while rotating slightly around the bracket 310 fixed to the lower frame 200.

At this time, the operation member 440 is hinged to the guide hole 431 of the plate cam 430 coupled to the upper portion of the guide plate 420, relative to the rotation of the guide plate 420, the operation member 440 moves toward the bearing 460 in the rectangular oval guide hole 431 and descends as a whole.

In addition, the end of the operating member 440 is coupled to the slide plate 500 and both ends of the slide plate 500 are coupled to the upper frame 700 by the reference guide 600, so that the upper frame ( 700 is lowered, and the coupling bar 120 is formed from the material 110 supported by the mold 900 by the punch 800 attached to the bottom of the upper frame 700. At this time, the punch 800 is lowered and punching the contour shape of the coupling bar 120 to the material 110, while continuing to descend the bending of the coupling bar 120 in a perpendicular downward direction along the contour of the coupling bar 120. do.

Finally, when the material guide 940 and the leg 240 are in the original position after the forming of the coupling bar 120 and the punch 800 is raised, the lifter provided inside the mold 900 is removed by the ejection cylinder. While protruding to the upper side of the present embodiment will be separated from the mold 900, the finished product formed by the eight coupling bars 120 is formed.

The entire process from the operation of the material guide 940 to the extraction of the finished product is performed automatically sequentially.

As described above, the punching and bending simultaneous molding machine of the automobile door weather strip coupling bar according to the present invention is configured such that the punching machine and the bending machine are integrally formed on the same device. Accordingly, this simultaneous molding machine can reduce the labor maneuver, increase the productivity, shorten the working time, there is an advantage of reducing the production cost. This present simultaneous molding machine is very useful when used in the molding of automobile door weather strip coupling bar.

Claims (6)

A lower frame supported on the floor; A driving cylinder coupled to one side of the lower frame; A driving unit installed inside the lower frame and interlocked with a driving cylinder; A slide plate which interlocks with the driving unit and moves up and down at an upper side of the driving unit; A reference guide coupled to both sides of the slide plate in a vertical direction; An upper frame coupled to an upper end of the reference guide; A plurality of punches mounted on the bottom of the upper frame and simultaneously performing punching and bending; And Punching and bending simultaneous molding machine of the automobile door weather strip coupling bar is formed of a plurality of molds to support the material from the upper side of the lower frame is formed with a recess groove corresponding to the punch In claim 1, The drive unit is hingedly coupled to the drive cylinder and the plate plate is formed on each of the upper side of the plate cam, the operation member is hinged to one end of each of the plate cam is moved up and down and the other end is coupled to the slide plate, and the Punching and bending of the vehicle door weather strip coupling bar, one end of which is coupled to the bottom of the guide plate and the other end of the support frame is hinged to a pair of bearings fixed at intervals inside the lower frame. Simultaneous molding machine. In claim 1 or 2, The car door weather strip coupling bar further comprises a material guide for supporting the material at the machining position on the upper side of the lower frame, and a support cylinder fixed to the rear of the material guide and the cylinder rod is connected to the material guide. Punching and bending simultaneous molding machine. In claim 3, A support rod coupled vertically to the upper side of the lower frame, a work plate coupled to the upper end of the support rod and provided with a positive button, and positioned between the work plate and the lower frame to flip the lip of the material to expose the processing point And a leg cylinder fixed to the rear of the leg and having a cylinder rod connected to the leg, wherein the punching and bending co-molding machine of the automobile door weather strip coupling bar. In claim 4, Punching and bending simultaneous molding machine of the vehicle door weather strip coupling bar further comprises a take-out means consisting of a lifter protruding upward from the inside of the mold, and a blowout cylinder connected to the lower side of the lifter. In claim 5, Punching and bending simultaneous molding machine of the vehicle door weather strip coupling bar further comprises a reference point limit switch is installed on the outside of the outermost mold of the mold, to indicate whether or not it is set in the correct machining position through the warning lights.

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