KR101907316B1 - Pipe ring forming machine - Google Patents

Abstract

The present invention relates to a pipe ring forming machine for forming a protrusion ring on the outer circumferential surface of a pipe. The pipe ring forming machine includes: a vibration aligner for transferring a pipe material; a supplying device for supplying the transferred pipe material to an input device; the input device for putting the supplied pipe into a molding device; the molding device for forming a protrusion ring to a predetermined height at a point adjacent to a cross section part of the pipe material after fixing the pipe material and compressing the pipe material with a pressing punch; and a discharging device for discharging the finished pipe material from the molding device. The pipe ring forming machine according to the present invention can maximize work efficiency and productivity since the protrusion ring forming process is unmanned and automated when the protrusion ring is formed at the point adjacent to the cross section part of the pipe, and enhance molding accuracy of the protrusion ring through improvement of the structure of the molding device.

Description

[0001] PIPE RING FORMING APPARATUS [0002]

The present invention relates to a pipe annular protruding lid forming apparatus, and more particularly, to a pipe annular protruding lid forming apparatus for supplying an annular protruding lid to an outer periphery of a pipe in a single operation by sequentially supplying pipes to a molding apparatus.

In general, an annular protruding frame having a predetermined thickness as shown in Fig. 9 is formed at a point adjacent to an end face of the pipe so as to connect or fix the pipe-to-pipe fitting or pipe to a specific element.

A method of forming the annular protruding frame with the pipe includes forming an annular protruding frame by joining a ring having a predetermined thickness to a point adjacent to the end face of the pipe or by inserting a molding wheel into the pipe, There was a method of forming an annular protruding frame through molding.

Here, the above-mentioned bonding method has a problem that the efficiency of the work force, the time, and the workload is remarkably reduced due to a very high dependency on the manual work by the operator. In the pressure molding method described below, But there was a problem that the difficulty, accuracy, and safety of the annular protruding protrusion molding from the pipe could not be guaranteed.

To overcome this problem, Korean Patent Application No. 2007-0042448 (hereinafter, referred to as "prior art") has been developed in order to supplement the above-mentioned conventional method. And a predetermined portion of the pipe is expanded and expanded outwardly by a strong driving force of the molding wheel to constitute a predetermined protruding frame, and in the subsequent process, the extended protruding frame is fixed to the fixing base and the moving base Thereby completing the annular protruding frame having a predetermined thickness.

Therefore, in the prior art, there has been a problem in that it is difficult to alternately perform the process of expanding the protrusion and the process of compressing, and the accuracy of the operation of the forming wheel is so great that the annular protrusion can not be obtained precisely Especially, it has been pointed out that there is a difficulty in the process for forming the annular protruding frame by the pipe, and the waste of manpower, time, and mass production have been impossible.

Korean Patent Application No. 2007-0042448

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned conventional problems.

It is an object of the present invention to provide a method and apparatus for automatically shaping an annular protruding frame to form an annular protruding frame at a point adjacent to an end face of a pipe for a specific purpose, thereby maximizing efficiency and productivity, So that the molding precision of the annular protruding frame can be improved by improving the structure.

According to an aspect of the present invention, there is provided an apparatus for shaping a pipe annular protruding lid, comprising: a vibrating aligner for conveying a pipe material; a supply device for supplying the transferred pipe material to the charging device; A molding device for fixing the inserted pipe material and then pressing it with a joining punch to form an annular protruding frame at a predetermined height to a point adjacent to the end face of the pipe material; And a discharge device for discharging the material from the molding apparatus.

The present invention is intended to maximize the precision of forming the pipe material in the molding apparatus by increasing the accuracy of the input and supplying the pipe material through the above means while improving the fixing and molding stability of the pipe material, It is possible to prevent the occurrence of scratches and defects as much as possible, and to provide an accurate annular protruding frame to be formed and formed.

In addition, the present invention has an advantage that a molding device for forming an annular protruding frame with a pipe material can be improved by automation, so that work efficiency and mass production can be achieved while manpower and cost reduction can be expected.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view showing a three-
Fig. 2 is a plan view of the entire structure of the present invention in plan view, Fig.
Fig. 3 is an enlarged side sectional view of the feeding apparatus according to the present invention, Fig.
Fig. 4 is an enlarged view of an injection apparatus shown in the present invention,
Fig. 5 is a view showing an example of the flat section of the molding apparatus shown in the present invention,
6 is a side view of a jig shown in the present invention,
7 is a view showing an embodiment of a joint block shown in the present invention,
8 is a partially enlarged view of the molding apparatus shown in the present invention,
Fig. 9 is an illustration of a pipe in which an annular protruding frame is formed by the present invention; Fig.

The present invention will now be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements throughout.

In the following description, the well-known techniques which are deemed to blur the gist of the present invention will be abbreviated or briefly described, and the same names will be described with a single code.

In addition, the following description explains the position and operation of the configuration with reference to the orientation table of FIG. 1 attached hereto.

First, the configuration of the present invention will be described.

The apparatus for forming a pipe annular protruding strip according to the present invention comprises a vibrating aligner 1 for conveying a pipe material a largely as shown in Figs. 1 and 2, a feeder 3 for feeding the conveyed pipe material a, (3) for feeding the supplied pipe material (a) into the molding apparatus (4), and a fixing device (4) for fixing the inserted pipe material (a) to the joining punch 5 And a molding device (4) for shaping the annular protruded frame (a1) to a predetermined size at a position adjacent to the end face of the pipe material (a) by compression,

The vibrating aligner 1 is a device for aligning and moving a work in one direction by a normal vibration, and a conveying feeder 11 is connected to one side of the vibrating aligner 1 so as to smoothly supply the pipe material a to the feeder 2. .

3, the supply device 2 includes a supply die 21 for connecting the transfer feeder 11 and one end of the vibration aligner 1, A supply block 23 for transporting by the cylinder 22 and a material tunnel 24 formed at a lower depth of the supply block 23 at a predetermined depth.

1, the material tunnel 24 is formed in the same direction as the longitudinal direction of the conveying feeder 11 of the vibration aligner 1, and the degree to which the pipe material (a) can be drawn As shown in FIG.

The feeding device 3 includes a feeding rail 31 for connecting the other end of the feeding die 21 to the center of the feeding device 21 while keeping a certain length in a crossing line with the feeding die 21 of the feeding device 2, 31) is placed on the lengthwise line of the upper surface and is operated by the input cylinder (32).

The input cylinder 32 is provided on the side of the input rail 31 and connects the cylinder rod and one end of the input stand 33 to operate the input stand 33.

The input stand 33 is connected to the opposite end of the other end of the input cylinder 33, that is, one end connected to the cylinder rod of the input cylinder 32, so that the pipe material a can be charged more safely and accurately. the diameter of the insert tool 34 and the diameter of the insertion tool 33 and the insertion tool 34 are smaller than the inner diameter of the insertion tool 34a.

The molding apparatus 4 includes a transfer clamp 42 for transferring a predetermined distance by a transfer cylinder 41 and a lower rail and a fixing clamp 43 for symmetrically installing the transfer clamp 42 at a predetermined interval, A pressurizing punch 5 which is installed at one side of the feed clamp 42 and the fixed clamp 43 and is operated by the pressurizing cylinder 51 and a pressurizing punch 5 which is provided at one side of the fixed platen 43, And a position fixing plate 62 having a magnet 61 which flows on the center line of one side of the fixing clamp 43 by the feeding clamp 42 and the fixing clamp 43. The feeding clamp 42 and the fixing clamp 43, And the jig 42 'or 43' for fixing the pipe material (a) to the inner side of each of the eyes is symmetrical.

The jig 42 'or 43', which is symmetrical to the conveying clamp 42 and the fixing clamp 43, has a block installation space 7 formed at one end thereof with a predetermined size and a block installation space 7 And a semi-circular fixing groove 71 formed in the longitudinal direction of the jig 42 'and 43' and connected to the block installation space 7, A hooking step 72 formed at one side of the fixing groove 71 and a pair of upper and lower brackets 73 inserted into the block installation space 7 are formed in the guide groove 7 ' And the joint block 74 is fixed to the block mounting space 7 by a pair of connecting pins 7 "while being fixed to the outer periphery of the connecting pin 7" A predetermined molding gap 77 and a sufficient elastic force are secured between the joint block 74 and the opposite side surfaces 76 and 76 'of the block installation space 7 by the elastic spring 75 To be And at the same time a semicircular gripping groove 78 is formed at the center of the joint block 74 and a protruding tooth forming groove 79 is formed which is connected to the gripping groove 78 and is formed to be slightly larger than the diameter of the gripping groove 78, .

Here, the above-described molding apparatus will be described in more detail. As shown in FIGS. 1 and 2, the feeding clamp and the fixing clamp are arranged in a direction intersecting one end of the feeding rail, while the fixing clamp is fixed to the feeding cylinder. And is configured to be spaced apart and contacted.

In addition, the semicircular fixing grooves which are symmetrically formed in the longitudinal direction of the both side jigs are formed so as to have a circular shape having the same diameter as the outer diameter of the pipe material when they are brought into contact with each other with the feeding clamp and the fixing clamp.

As shown in FIG. 6, the joint blocks provided on both side jigs are inserted into a block installation space formed to have a certain space on one side of the jig, while upper and lower members are inserted into guide grooves in a lower space (For reference, the width of the joint block is slightly smaller than the width of the block installation space, so that the joint block can be moved in the block installation space as described above. .

 On the other hand, the joint block 74 provided in the block installation space 7 is connected by a pair of coupling pins 7 '', one side 76 'of the block installation space 7 and one side And the elastic springs 75 are disposed at the outer circumferences of the joint pins located at the same intervals. (For reference, the molding interval is constantly maintained at the elastic force of the elastic spring. To be able to be.

Further, the grip groove formed at the inner center of the joint block is formed in the same configuration as the fixing groove of the jig described above, and the protrusion groove forming groove connected to the grip groove is formed to have the same diameter as the size of the annular protrusion groove to be formed from the pipe material Is preferred,

Next, an embodiment of the present invention will be described.

The present invention relates to a molding apparatus for precisely projecting an annular protruding frame to a point adjacent to an end face of a pipe material, the apparatus comprising: a pipe material feed process; a pipe material feed process; , * Pipe material primary fixing process, * Pipe material secondary fixing process, * Pipe material forming process. And all the processes according to the present invention are automatically controlled by the control sensor and the microcomputer.

To explain this in more detail,

* Pipe material transfer process

A method for automatically transferring a plurality of pipe materials for forming an annular protruding frame is provided. A vibration aligner (1) storing a large amount of pipe material (a) is connected to a feeder (2) through a feeder Material (a) is automatically fed in a line.

At this time, the transported pipe material (a) is inserted into the material tunnel (24) inside the supply block (23) of the supply device (2) connected to one end of the transport feeder (11).

For reference, the vibrating aligner is a sorting and feeding apparatus using vibration, and detailed description of its construction and operation will be omitted.

* Pipe material supply process

The process of supplying the pipe material transferred by the pipe material transferring process to the charging device is carried out through the upper pipe material transfer process from the transfer feeder 11 to the inner material tunnel 24 of the supply block 23, the feed cylinder 22 feeds the feed block 23 to the upper side of the feed rail 31 along the feed die 21 as shown in FIG. Then, the pipe material a transferred as described above is naturally dropped from the material tunnel 24 at the above position and supplied to the input rail 31.

The material tunnel 24 of the supply block 23 is in the form of a normal tunnel with openings on both sides and a lower part. Therefore, when the pipe material is inserted through the side portion of the pipe in the pipe transfer process described above and the supply block reaches the upper side of the input rail of the input device after the supply block moves along the supply die in the pipe material supply process, The pipe material will fall down naturally.

* Pipe material input process

When a pipe material is supplied to a feeding rail of a feeding device by a pipe material feeding process, the supplied one pipe material is fed into a molding device. In this process, one pipe material a The feeding cylinder 32 pushes the pipe material a while feeding the feeding stand 33 in the longitudinal direction of the feeding rail 31 (in the direction of the molding apparatus) (42) and the fixed clamp (43).

The input stand 33 is formed with one end for pushing the pipe material a and a step 35 with an insertion tool 34 having a diameter slightly smaller than the inside diameter diameter of the pipe material a, So that the safety and accuracy of the transfer of the pipe material can be ensured by engaging the tool with the tool while being inserted into the tool so that the pipe material can be easily inserted into the space between the transfer clamp and the stationary clamp.

* Pipe material primary fixing process

A step of placing the pipe material in a space between the feed clamp and the stationary clamp by a process of injecting the pipe material so that the pipe material is fixed to the center of the space between the feed clamp and the stationary clamp, When the pipe material a is poured into the space between the conveying clamp 42 and the fixed clamp 43 of the molding apparatus 4 by the stand 33 as shown in Figure 5A, The formed position fixing plate 62 is moved by the transfer cylinder 6 to one side of the center of the space between the transfer clamp 42 and the fixed clamp 43 to adsorb the inserted pipe material a by the magnetic force of the magnet 61, Position.

When the pipe material (a) is fixed to the position fixing plate 62 by the magnetic force, the charging base 33 returns to the original position. In this case, When the two side jigs 42 'and 43' are closely fixed to the pipe material a in the secondary pipe fixing step and the molding step of the pipe material, the jig 42 'and 43' So that the process of feeding the pipe material (a) of the next part can be carried out continuously / smoothly. In this case, ), It is possible to prepare and carry out the introduction of the next pipe material (a).

* Pipe material secondary fixing process

When one pipe material is fixed to the position fixing plate by the first pipe fixing step, the feed clamp is moved in the direction of the fixed clamp so as to press-fix the pipe material. As shown in FIG. 5 (b) 42 are moved to the fixing clamp 43 by the transfer cylinder 41 to press-fix the pipe material a between the side jigs 42 ', 43'. At this time, the position fixing plate 62 returns to the original position.

In other words, the feed clamp 42 and the fixed clamp 43 are configured such that the jig 42 ', 43' of the symmetrical construction is opposed to the inner side of the feed clamp 42 and the jig 42 ', 43' And a joint block 74 of the joint block 74 is provided.

Therefore, when the upper feed clamp 42 is conveyed in the direction of the fixed clamp 43 and the mutual contact of the two side jigs 42 'and 43' is made, the fixing grooves 71 of the side jigs 42 'and 43' The rear end of the pipe material a is pressed and fixed to the engaging step 72 of the fixing groove 71 while the rear end of the pipe material a is fixed to the joint block 74 of the side jigs 42 ' A fixed length of the front side of the pipe material (a) is located in the holding groove (78) and is pressed and fixed.

* Pipe material forming process

When the pipe material is pressed and fixed in the both side jigs of the feed clamp and the fixed clamp by the pipe material secondary fixing step, the press punch forms the pipe material, and as shown in FIG. 7 (a) When the pipe material a is fixed to the joint block 74 of the jigs 42 'and 43' on both sides by the jig 42 'and 43' in the above-described manner, The press punch 5 presses the joint block 74 in the direction of one side 76 'of the block installation space 7 of the jig 42', 43 'as shown in FIG. 7 (b) The annular protruding frame a1 is formed to be extended by the protruding tab forming groove 79 formed in the holding groove 78 of the block 74. [

The rear of the pipe material a is pressed and fixed by the jigs 42 'and 43' and the front of the pipe material a is fixed by the joint block 74. In the state where the press punch 5 is fixed to the joint block 74 are pressed with a strong force, the joint block 74 is pulled in by a molding interval 77 between one side 76 of the joint block 74 and one side 76 'of the block installation space 7 A part of the pipe material located in the molding space 77 is pressed and simultaneously the pipe material a is expanded into the protruding protrusion forming groove 79 of the joint block 74 by the pressing force so that the annular protruding protrusion a1 is formed do.

The molding interval 77 provided between the one side face 76 of the joint block 74 and the one side face 76 'of the block installation space 7 is determined by the diameter value of the annular protrusion rim a1 to be obtained, It is preferable to calculate the compression ratio of the contaminant pipe material (a) and form it in a dimension suitable for the compression pipe material (a). (The shapes of the molding intervals shown in the drawings of the present invention are partially enlarged to facilitate understanding of the drawings and the construction thereof.)

When the annular protruding frame is formed at a position adjacent to the end face of the pipe material, the above-mentioned pipe material forming process is reversed and the natural discharge through the lower discharge passage 101 is released . In the reverse order of the molding process, the joint block is returned from the block installation space to the original state having the molding space by the elastic spring

In the meantime, when the pipe material is discharged, unexpectedly, the fixing groove 71, the holding groove 78, the protruding groove forming groove 79 of the jig 42 ', 43', and the joint block 74, The jig 42 'or 43' is provided with a discharge device in case the pipe material (a) can not be smoothly discharged due to insufficient penetration of the pipe material (a).

The discharging device includes a fixed discharging device 8 provided on a jig 42 'of the conveying clamp 42 and a fluid discharging device 9 provided on a jig 43' of the fixing clamp 43,

The fixed ejection device 8 has a fixing table 81 having a predetermined height at one side of the conveyance clamp 42 and one end connected to the fixing table 81 and the other end connected to the jig 42 ' And a discharge pin (82) passing through the block installation space (7) for a predetermined length,

The flow discharging device 9 includes a discharge cylinder 91 provided at one side of the fixed clamp 43 and a discharge cylinder 91 having one end connected to the discharge cylinder 91 and the other end connected to the block of the jig 43 ' And a discharge pin (92) which is inserted into the installation space (7).

The discharging device according to the above constitution is characterized in that an initial state in a contact waiting state (before the molding process) with a certain distance between the transfer clamp and the clamp clamp, and an initial state in the contact state between the transfer clamp and the clamp clamp, And then discharged.

First, in the initial state, the discharge pin 82 of the fixed discharge device 8 is fixed in position by the fixing table 81 and is inserted into the block installation space 7 of the one side jig 42 ' And the discharge pin 92 of the opposite side flow discharge device 9 is positioned in the through hole 93 formed in the block installation space 7 of the other side jig 43 '.

This initial state is therefore such that when the transfer clamp 42 is transferred to the stationary clamp 43 for the pipe material secondary securing process and the pipe material forming process the jig 42 ' (8) is released from the fixed discharge pin (82) by the conveyance so as to avoid interference in the subsequent pipe material secondary fixing step and the pipe forming step, that is, the side jig (42 ' 43 'and the press action interference of the joint block 74 into the block installation space 7 of the both side jigs 42', 43 '.

Since the discharge pin 92 of the flow discharging device 9 is located in the one through hole 92 of the block installation space 7 as described above, the same action as the above is obtained from the fixed clamp 43 do. (Refer to (a) and (b) of Fig. 5)

Conversely, the operating states of the fixed discharge device 8 and the fluid discharge device 9 are such that when the transfer clamp 42 is separated from the fixed clamp 43 after the molding process is completed, The discharge pin 82 of the fixed discharge device 8 is again drawn into the block installation space 7 of the one side jig 42 'by the return action of the clamp 42 and unintentionally unintentionally moves the jig 42 of the transfer clamp 42 ') Or the pipe material (a) fitted in the joint block (74).

Also, in this state, the discharge pin 92 of the flow discharge device 9 is drawn into the block installation space 7 of the jig 43 'by the discharge cylinder 91 and has the same effect as above.

The present invention aims at completing the annular protruding frame by a point adjacent to the end face of the pipe through the above-mentioned series of processes. It is possible to obtain a good quality product through the quick, accurate supply of the initial pipe material, safe injection and precise molding process Features are expected.

Also, by adopting the indirect compression method using a joint block instead of pushing one end of the pipe material with a pressurizing punch, the defective (poor) rate of the pipe material is extremely low, and the joint block can be easily replaced So that the maintenance boss and the protrusion forming grooves of various dimensions can be formed at an avenue.

In addition, the present invention realizes a series of processes in an automated and unattended manner, thereby reducing manpower, manufacturing cost, and mass production, so that a high competitive power can be expected from the same industry.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. That is, those skilled in the art will appreciate that many modifications and variations can be made in the present invention without departing from the spirit or scope of the appended claims. Accordingly, all such appropriate modifications and alterations and equivalents should be regarded as falling within the scope of the present invention.

a: pipe material a1: annular projection
1: Vibrator aligner 11: Feed feeder
2: feeder 21: feeder die
22: feed cylinder 23: feed block
24: Material tunnel 3: Input device
31: input rail 32: input cylinder
33: input rod 34: insertion tool
35: Step 4: Molding device
41: Feed cylinder 42: Feed clamp
42 ': Jig 43: Fixing clamp
43 ': Jig 5: Pressurized punch
51: pressure cylinder 6: transfer cylinder
61: Magnet 62: Positioning plate
7: Block installation space 7 ': Guide groove
7 "joint pin 71: fixing groove
72: stitching step 73: hanging
74: joint block 75: elastic spring
76: one side 76 ': one side
77: forming interval 78: gripping groove
79: extrusion molding groove 8: fixed ejection device
81: fixed base 82: exhaust pin
9: Flow discharge device 91: Discharge cylinder
92: exhaust pin 101: exhaust passage

Claims (3)

A vibrating aligner 1, a supply device 2, a charging device 3, and a molding device 4,
The vibrating aligner (1) is a device for aligning and moving a work in one direction by a normal vibration, and a conveying feeder (11) is installed on one side thereof to be connected to a feeder,
The feeding device 2 includes a feeding die 21 for connecting the feeding feeder 11 and one end of the vibrating aligner 1 to each other, And a supply block 23 for carrying out the above-
The feeding device 3 includes a feeding rail 31 for connecting the other end of the feeding die 21 to the center of the feeding device 21 while keeping a certain length in a crossing line with the feeding die 21 of the feeding device 2, 31), and a charging base (33) for being operated by the charging cylinder (32)
The molding apparatus 4 includes a transfer clamp 42 for transferring a predetermined distance by a transfer cylinder 41 and a lower rail and a fixing clamp 43 for symmetrically installing the transfer clamp 42 at a predetermined interval, A pressurizing punch 5 which is installed at one side of the feed clamp 42 and the fixed clamp 43 and is operated by the pressurizing cylinder 51 and a pressurizing punch 5 which is provided at one side of the fixed platen 43, A position fixing plate 62 having a magnet 61 that flows on the center line of one side of the conveying clamp 42 and the fixing clamp 43 by the conveying clamp 42 and the fixing clamp 42, (43 ') for fixing the pipe material (a) to the inner side of the pipe (42)
The jigs 42 'and 43' have a block installation space 7 formed at one end thereof with a predetermined size, guide grooves 7 'formed at the lower and upper portions of the block installation space 7, And a locking step 72 formed at one side of the fixing groove 71 so as to be connected to the block installation space 7 while being formed in the longitudinal direction of the fixing groove 42 ' And a joint block 74 which is inserted into the block installation space 7 so that the upper and lower barbs 73 are inserted into the guide groove 7 'of the block installation space 7, 74 are positioned in the block installation space 7 with a pair of coupling pins 7 "and the elastic spring 75 is disposed on the outer periphery of the coupling pin 7" so that the joint block 74 and the block installation space 7 and the opposing side surfaces 76, 76 'of the joint block 74, the elastic spacing 77 and the elastic force of the elastic spring 75 can be ensured. At the same time, Wherein the protruding protrusion forming groove (79) is formed to be larger than the diameter of the gripping groove (78) while being connected to the gripping groove (78) of the semicircle and the gripping groove (78) .
The method according to claim 1,
The input stand 33 of the charging device 3 is connected to the other end of the input rod 33, that is, the input rod 33 connected to the cylinder rod of the input cylinder 32, so that the pipe material a can be charged more safely and accurately. The diameter of the insertion tool 34 and the diameter of the insertion tool 33 and the insertion tool 34 is set to be slightly smaller than the inner diameter diameter of the pipe material a at the other end And a step (35) generated by the pipe annular protruding frame forming device.
The method according to claim 1,
The fixed discharge device 8 is constituted by the jig 42 'of the transfer clamp 42 and the flow discharge device 9 is constituted by the jig 43' of the fixed clamp 43,
The fixed ejection device 8 includes a fixing table 81 having a predetermined height at one side of the conveyance clamp 42 and one end connected to the fixing table 81 and the other end connected to the jig 42 ' And a discharge pin 82 passing through the block installation space 7 for a predetermined length,
The flow discharging device 9 includes a discharge cylinder 91 provided at one side of the fixed clamp 43 and a discharge cylinder 91 having one end connected to the discharge cylinder 91 and the other end connected to the block of the jig 43 ' And a discharge pin (92) which is inserted into the installation space (7).

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