KR200342157Y1 - Punching apparatus for constant velocity joint cover ring - Google Patents

Abstract

The present invention is a specific shape that is easy to roll and fasten the fastening part on one side while cutting in a certain length unit in the process of passing through the punching means and the bending means of the metal band having a predetermined width of the upper and lower sets of molds, respectively Punching is formed in the form of a metal piece to increase the productivity of the easy-to-use constant velocity joint cover fastening ring to enable mass production of the constant velocity joint cover fastening ring, thereby significantly reducing the manufacturing cost, supply reel (5) Punching means for punching and bending the material (10) continuously supplied through the guide (6) from the connecting portion 11 and the connecting groove 12 and the fastening hole 13 and the fastening protrusion 14 is formed ( 2) and; The bending mold 314 and the push rod 316 are moved up and down by the operating table 315 so that the fastening portion 15 is formed with respect to the bent portion formed at the distal end portion of the material 10 by the punching means 2. Center and left and right support molds 321 and 322 operated by the wedge pieces 324 to form a top bending mold 31 and a shape corresponding to the molding portion 314a of the bending mold 314. Bending means (3), which is a lower bending mold (32), which becomes (323); It is a constant velocity joint cover fastening ring punching device, characterized in that it is a take-out means (4) for taking out the molded metal piece (1).

Description

Punching apparatus for constant velocity joint cover ring

The present invention relates to a constant velocity joint cover fastening ring punching device, and more particularly, in the manufacture of a fastening ring for sealing the end of the cover of the constant velocity joint filled with the fluid, the metal strip having a predetermined width, respectively, In the process of passing through the punching means and bending means of the lower set of dies, the joints are cut in a certain length unit and bent at one side, and at the same time, they are punched into a specific form of metal pieces that are easy to roll up, thereby making it easy to use By increasing the productivity of the cover fastening ring to enable the mass production of the constant velocity joint cover fastening ring to reduce the manufacturing cost significantly.

Bellows type cover to prevent the outflow of lubricating grease inside and to prevent the inflow of foreign substances into the joint by covering the external shape of the drive shaft joint that is used as a component for power transmission of a front wheel drive vehicle. Is installed, and one end of the cover is tightened by a tightening ring to maintain a sealed state.

Thus, the fastening ring, which is a component of the constant velocity joint, which is an indispensable component of the all-wheel drive vehicle, is installed to tighten the end of the bellows type cover only by winding a narrow metal strip in a circular shape due to its configuration. In order to keep the fastening ring attached to one end of the constant velocity joint cover with quick and easy airtightness, the fastening ring should be easy to install. Although the fastening ring molding has to be formed in order to be easily bent at the same time to maintain the airtightness during installation, the fastening ring molding has been formed to perform the desired function by passing through the metal belt several times in sequence We had to go through a cumbersome process to get things done.

However, the conventional constant velocity joint cover tightening ring for more easily installed at one end of the constant velocity joint and at the same time to maintain a more tightly coupled state, the work for the formation of each component is not a single operation process It is formed in a circular shape while going through the separate working process sequentially so that one end of the constant velocity joint cover is kept in a sealed state, so that mass production of the tightening ring becomes impossible, so that the manufacturing cost of the tightening ring increases. There was a problem that the rate of defects of the product was increased in the course of the work process, which greatly deteriorated the reliability of the product.

Therefore, the object of the present invention is a conventional tightening ring forming means that the manufacturing of the fastening ring for maintaining one end of the constant velocity joint cover in the sealed state as described above can be punched into a specific form through a separate manufacturing process In order to solve the various problems, the constant velocity joint cover fastening ring can be punched into a metal piece just before the final bending molding in the form of a ring in the next process with only one upper and lower mold operation. It is to provide a constant velocity joint cover tightening ring punching device that can significantly reduce the production cost of the fastening ring by increasing the productivity of the constant velocity joint cover fastening ring by making the production of quick and easy.

1 is a schematic perspective view of a punching device according to the present invention.

Figure 2 is a schematic view of the punching means forming a punching device according to the present invention.

Figure 3 is a schematic view of the lower punching mold of the punching means forming a punching device according to the present invention.

Figure 4 is a schematic front view of the bending means forming a punching device according to the present invention.

Figure 5 is a schematic side view of the bending means forming a punching device according to the present invention.

6a to 6d is a manufacturing process of the metal piece using a punching device according to the present invention.

7 is a perspective view of a metal piece produced by the punching device of the present invention.

Explanation of symbols on the main parts of the drawings

1: metal piece 2: punching means

3: bending means 4: taking out means

5: supply reel 6: guide

10 material 11: connector

12: connecting groove 13: fastener

14: fastening protrusions 21,22; Punching Mold

31,32: bending mold 41: cylinder

42: ejector

In order to achieve the above object, the constant velocity joint buckle fastener ring punching device according to the present invention, in constructing the constant velocity joint cover tightening ring punching device A, is continuously connected from the supply reel 5 to the guide 6. The upper and lower punching molds 21 and 22 are formed by punching and bending the material 10 supplied to the connecting portion 11, the connecting groove 12, and the fastening hole 13 and the fastening protrusion 14. Punching means (2); The bending mold 314 and the push rod 316 are moved up and down by the operating table 315 so that the fastening portion 15 is formed with respect to the bent portion formed at the distal end portion of the material 10 by the punching means 2. Central and left and right support molds 321 and 322 operated by the wedge pieces 324 to form a shape corresponding to the molding portion 314a of the bending mold 314 and the south bending mold 31 to be made. Bending means (3), which is a lower bending mold (32), which becomes (323); Characterized in that the take-out means (4) consisting of the cylinder 41 and the ejector 42 to take out the molded metal piece (1).

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

1 is a perspective view schematically showing the configuration of the constant velocity joint cover tightening ring punching device according to the present invention, Figure 2 is a schematic view of the punching means forming a constant velocity joint cover tightening ring punching device according to the present invention, Figure 3 Is a schematic view showing the configuration of the lower punching mold forming the constant velocity joint cover tightening ring punching means according to the present invention, Figure 4 is a schematic front view showing the configuration of the bending means forming a constant velocity joint cover tightening ring punching device according to the present invention. 5 is a schematic side view showing the configuration of the bending means forming the constant velocity joint cover tightening ring punching device according to the present invention, Figure 6a to 6d is a manufacturing process diagram showing a manufacturing process of the metal piece using the punching means according to the present invention 7 is a perspective view of a metal piece manufactured by the constant velocity joint cover tightening ring punching device according to the present invention, The castle consists of a punching means (2), a bending means (3) and a take-out means (4).

The punching means (2) is located on one side of the guide (8) to continuously feed the material 10, the upper punching die 21 to repeat the ascending and descending operation and the lower punching fixed position The lower punching mold 22 has a plurality of guide protrusions 221 formed in two rows at predetermined intervals, and a band-shaped material 10 having a predetermined width and thickness is guided and supplied therebetween. A punching process is being done.

In addition, the plate surface of the lower punching mold 22 has a projection 222 for forming the fastening protrusions 14 by the first operation on the material 10 to be supplied and transported first, and the tip portion of the material 1 is fixed. A bent portion 223 to bend the portion to some extent to form a bent portion, a recess 224 for forming the connection groove 12, and then the fastening hole 13 in the material 10 by the secondary operation A perforated part 225 for forming the cutting part and a cutting part 226 for cutting the material 10 corresponding to the length of the metal piece 1 are formed at the same time as the connecting part 11 is formed at the rear end. .

At this time, the lower side of the upper punching die 21 forming the punching means 2 corresponds to each of the components provided on the upper side of the lower punching die 22 so as to enable the corresponding punching operation to each corresponding portion. Of course.

The bending means 3 is installed adjacent to one side of the punching means 2, and a fastening protrusion 14 is formed on one side by the punching means 2, and at the same time, the tip portion is formed into a bent portion that is bent at a predetermined portion. It is to form a fastening portion 15 by completely bending the temporary bending portion to be bent in a desired shape with respect to the material 10 to be transported in a state in which the connection groove 12 is formed. At this time, the punching means 2 is operated once again, so that the connecting portion 11 and the fastening hole 13 are formed at the rear end of the material 10.

The bending means (3) is also composed of a pair of upper and lower bending molds 31 and 32, respectively, so that the upper bending mold 31 moves up and down with respect to the lower bending mold 32, and the upper bending The mold 31 is provided with an operating table 315 in a form in which a plurality of support shafts 313, 313a are elastically supported by a spring 312 on the support frame 311, and the operating table 315 is provided. At the lower end, a bending mold 314 having a specific shape of the molding portion 314a is installed at the front end with a plurality of push rods 316, which causes the molding portion 314a of the bending mold 314 to have one side of the material 10. The fastening part 15 is formed in the back.

The lower bending mold 32 constituting the bending means 3 has a center in the support frame 327 to form a shape corresponding to the forming portion 314a of the noddle mold 314 constituting the upper bending mold 31. Supported by the spring 326 to the support mold 321 and both sides thereof, the left and right move forward and backward by the wedge piece 324 pushed down by a plurality of push rods 316 and always by the spring 325 Left and right support molds 322 and 323 which are supported to be pulled outward are installed, and a support hole 328 is provided at a corresponding portion of the front support shaft 313 of the upper bending mold 31 of the support frame 327. Is projected to a certain height so that the lower surface of the support shaft 313 is in contact with and supported when the upper bending mold 31 descends.

The dispensing means 4 is installed at the rear of a portion where the bent portion 314a of the bending means 2 and each of the supporting molds 321, 322, 323 are contacted to withdraw the punched metal piece 1. In one embodiment, a cylinder 41 operated by pneumatic or hydraulic pressure and an ejector 42 connected to the cylinder 41 are provided.

It will be described for the operation state of the constant velocity joint cover tightening ring punching device (A) according to the present invention having the configuration as described above.

First, a band-shaped metal material 10 having a predetermined width and thickness is transported into and out of the punching means 2 of the punching device A by the feed reel 7 by the feed reel 7.

When the material 10 is transferred to the punching means 2, the upper punching die 21 is lowered by the switch operation and the recess 224, the protrusion 222, and the bent portion 223 of the lower punching mold 22 are lowered. First, a temporary bending part for forming the fastening part 15 together with the connecting groove 12 and the fastening protrusion 14 at the front end of the material 10 is primarily formed.

Subsequently, the material 10 continues to be conveyed, so that the bent portion at the tip of the material 1 is between the upper bending mold 31 and the lower bending mold 32 of the bending means 3, that is, the molding portion of the bending mold 314 ( 314a and between the supporting molds 321, 322, 323 of the lower bending mold 32, the rear end of the material 10 is a cutting portion formed in the lower punching mold 22 of the punching means (2) In the state of 226, the punching means 2 and the bending means 3 work together, and the punching means 2 has the form of the metal piece 1 which has the connection part 11 of the form in which the raw material 10 was set. And the punched portion is formed in the length and the bending portion (3) is completely bent by the bending portion 223 of the punching means (2) at the end of the material 10 by the bending means (3) 15) is to be formed. In other words, the bent portion between the connecting groove 12 and the fastening protrusion 14 of the material 10 is positioned on the center of the lower bending mold 32 and on the left and right support molds 321, 322, 323. At the same time, as the operating table 315 of the upper bending mold 31 descends, the bending mold 314 attached to the lower end thereof descends together, and the molding part 314a formed in a specific shape at the lower end of the bending mold 314 is The center and the left and right support molds 321, 322, 323 are in contact with the bending portion of the material 10, wherein the push rod 316 of the upper bending mold 31 is the operating table 315 The lower and right support molds 322 and 323 are in contact with both sides thereof in accordance with the lowering of the wedge pieces 324 as the lower wedge pieces 324 are pushed down while being lowered together with the lower bending mold 32. Is a specific type of fastening while pressing the both sides of the bent portion of the material 10 is pressed by the forming portion 314a while being moved to gather toward the center support mold 321 Forming the metal piece 1 to the material 10 while simultaneously forming the forming part 314a and the pushing rod 316 as the operating table 315 in the lowered state ascends and rises again. The process is completed.

At this time, as the operating table 315 is raised and the pressing force from the pusher 316 against the wedge piece 324 is removed, the wedge piece 324 is regained by the elasticity of the spring 326 thereunder. At the same time, the left and right support molds 322 and 323 are pulled by the tension force of the spring 325 and are also returned to their original positions.

Since the cylinder 41 of the take-out means 4 is operated to eject the molded metal piece 1 while the ejector 42 is retracted to collect the metal pieces 1 to be transported to the next process.

Thus, the constant velocity joint cover tightening ring punching device (A) according to the present invention is first connected to the tip of the material (10) by the punching means (2) to the material (10) to be fed and supplied with a predetermined width and thickness After forming the grooves 12, the fastening protrusions 14 and the bent portion for forming the fastening portion 15 is formed, and then to be transferred back to the bending means 3 by one step by the secondary operation of the punching means (2) While cutting the material 10, at the same time, the connecting portion 11 and the fastening hole 13 are formed at the rear end, and the bending means 3 forms the fastening portion 15 of a perfect shape with respect to the already formed bent portion. In order to achieve a constant velocity joint cover fastening ring, it is to be made of one metal piece 1 having a certain length and a specific shape.

As described above, although the present invention has been described with reference to the above embodiments, it is not necessarily limited thereto, and various modifications may be made without departing from the scope and spirit of the present invention.

As apparent from the above description, according to the constant velocity joint cover tightening ring punching device of the present invention, a band-shaped metal material having a predetermined width and thickness is continuously supplied to the punching means and the bending means by a guide. According to the operation of the punching means and the bending means, it is possible to repeatedly manufacture the unit metal pieces of a certain length having a specific shape before forming the circular ring as the constant velocity joint cover tightening ring, thereby improving the manufacturing workability of the constant velocity joint cover tightening ring. It is possible to mass-produce the constant velocity joint cover fastening ring, which provides useful effects such as cost reduction.

Claims (1)

In constructing the constant velocity joint cover tightening ring punching device (A), Punching and bending of the material 10 continuously supplied from the supply reel 5 through the guide 6 to form a connection portion 11, a connection groove 12, a fastening hole 13 and a fastening protrusion 14 Punching means (2) which are formed into upper and lower punching molds (21, 22) to be provided; The bending mold 314 and the push rod 316 are moved up and down by the operating table 315 so that the fastening portion 15 is formed with respect to the bent portion formed at the distal end portion of the material 10 by the punching means 2. Center and left and right support molds 321 and 322 operated by the wedge pieces 324 to form a shape corresponding to the upper bending mold 31 and the forming portion 314a of the bending mold 314. Bending means (3), which is a lower bending mold (32), which becomes (323); A constant velocity joint cover fastening ring punching device, characterized in that it comprises a take-out means (4) consisting of a cylinder (41) and an ejector (42) to take out the molded metal piece (1).