WO2011102229A1 - Seaming device and connection guide member - Google Patents

Abstract

A seaming device is provided with: a processing unit (120) which includes a processing roller (127) for performing bending processing on a flange part (214) and a flange part (215), and a processing guide part (140); the processing guide part (140) which extends along the flange part (214) and the flange part (215) and guides a guide roller (129) so that the processing roller (127) processes the flange part (214) and the flange part (215); a retreat guide part (141) which is provided at a position apart from the processing guide part (140) and guides the guide roller (129) so that the processing roller (127) retreats from the flange part (214) and the flange part (215); and a switching unit which performs switching between a state in which a guide member is guided from the retreat guide part to the processing guide part and a state in which the guide member is guided from the processing guide part to the retreat guide part.

Description

Seaming device and connection guide member

The present invention relates to a seaming device and a connection guide member, and more particularly to a seaming device and a connection guide member for producing a large molded product.

Conventionally, various seaming devices are known. For example, Japanese Patent Application Laid-Open No. 2007-14982 describes an NC servo seamer that winds a bottom plate (top plate) around a can body. This NC servo seamer has a can cylinder placed thereon, a lifter table that is rotatably provided, a lifter air cylinder that moves the lifter table up and down, and a can cylinder that is covered with a bottom plate (top plate). And a chuck that supports the chuck.

Further, this NC servo seamer includes a chuck rotating servo motor for rotating the chuck, and a first seaming roll and a second seaming roll for processing the can body and the bottom plate (top plate).

The NC servo seamer includes a first seaming roll electric actuator and a second seaming roll electric actuator that move the first seaming roll and the second seaming roll in accordance with the rotation angle of the can body, and a chuck. A rotation servomotor and a drive control panel for the first and second seaming roll electric actuators.

JP 2007-14982 A

Since the NC servo seamer rotates the product can, it is necessary to firmly fix the can body and the bottom plate (top plate) so as not to be displaced during the seaming process. For this reason, there exists a possibility that a crack and a dent may arise on the surface of a can.

If the first seaming roll and the second seaming roll are rotated around the product while the can body and the bottom surface are stationary, the first seaming roll actuator and the second seaming roll actuator are rotated. Need to be rotated as well.

For this reason, routing of the wiring connected to the first seaming roll actuator and the second seaming roll actuator becomes very complicated. In the NC servo seamer, it is very difficult to change the number of seaming rolls. When connecting a plurality of guide parts, there are cases where it is desired to change the guide part to be connected depending on the situation. As a connection guide member capable of switching the connection state between the guide portions, for example, a method of switching the connection state of the guide portions by rotating a short side guide portion is conceivable. However, when such a connection guide member is employed, it is necessary to arrange the end portions of the respective guide portions on the turning circle of the connection guide member. For this reason, a big restriction | limiting arises regarding arrangement | positioning etc. of the edge part of a guide part.

The present invention has been made in view of the above-described problems, and a first object of the present invention is to allow seaming processing to be performed in a state where an object to be seamed is stationary. To provide a seaming device in which the number can be easily changed and the structure is simplified. The second object of the present invention is to provide a connection guide member that can increase the degree of freedom of the arrangement of the end portions of the guide portion in the connection guide member that connects a plurality of guide portions.

A seaming device that performs a bending process on the first flange portion of the first workpiece and the second flange portion of the second workpiece to join the first workpiece and the second workpiece. The seaming device includes a processing unit including a processing roller for bending the first flange portion and the second flange portion and a guide member, and extends along the first flange portion and the second flange portion. A processing guide portion that guides the guide member so as to process the second flange portion. The seaming device is provided at a position away from the processing guide portion, and a retraction guide portion that guides the guide member so as to retreat the processing roller from the first and second flange portions, and the processing guide from the retraction guide portion. A switching device that switches between a state in which the guide member is guided to the part and a state in which the guide member is guided from the processing guide part to the retreat guide part.

Preferably, the switching device is a connection guide portion that connects the processing guide portion and the retraction guide portion. The connection guide portion includes a state in which the retracting guide portion and the processing guide portion are connected so that the guide member can enter the processing guide portion from the retracting guide portion, and the retracting guide portion from the processing guide portion. The state where the retracting guide portion and the processing guide portion are connected is switched so that the guide member can enter.

Preferably, the connection guide portion can be deformed by forming a plurality of slits at intervals in the extending direction of the connection guide portion.

Preferably, the seaming device is provided on the rotating member so as to be rotatable about a center line passing through the first workpiece and the second workpiece, and to be movable back and forth toward the center line. It further includes a movable member provided, and a fixed plate disposed closer to the first workpiece and the second workpiece than the rotating member. The processing roller and the guide member are provided on the movable member, and a recess is formed in the peripheral edge of the fixed plate. The retracting guide portion and the processing guide portion are formed on a fixed plate, and the retracting guide portion is located outside the processing guide portion. The processing guide portion includes a first inlet side end portion into which the guide member enters from the retraction guide portion, and a first outlet side end portion located on the opposite side of the first inlet side end portion, and the retraction guide portion. Includes a second inlet side end portion into which the guide member enters from the processing guide portion, and a second outlet side end portion located on the opposite side of the second inlet side end portion. The first inlet-side end and the second inlet-side end are located on one side of the recess, on the first outlet-side end, the second outlet-side end, and the other side of the recess. To position. The connection guide portion can be switched between a state in which the first inlet side end and the second outlet side end are connected and a state in which the first outlet side end and the second inlet side end are connected. The connection guide part which concerns on this invention is a connection guide which is arrange | positioned between several guide parts and can switch the connection of guide parts. The connection guide portion is formed to be elastically deformable by forming a plurality of slit portions at intervals.

Preferably, the processing guide portion includes a first inlet side end portion into which the guide member enters and a first outlet side end portion from which the guide member comes out. The retracting guide part includes a second inlet side end part into which the guide member enters and a second outlet side end part located on the opposite side to the second inlet side end part. The switching device includes: a connecting member formed with a connecting groove in which a first inlet side end, a second inlet side end, a first outlet side end, and a second outlet side end are connected; and a connecting member And a provided occlusion member. A first outlet side end and a second outlet side end are connected to the first end of the connection groove, and a first inlet side end and a second inlet side end are connected to the second end of the connection groove. The The closing member selectively closes the first inlet side end and closes the first inlet side end, thereby guiding the guide member to the second inlet side end, The second inlet side end portion is selectively closed and at least one of the second closing member that guides the guide member to the first inlet side end portion by closing the second inlet side end portion is included.

Preferably, the closing member selectively closes the first outlet side end and closes the first outlet side end to guide the guide member to the second end side of the connection groove. A closing member and a fourth closing member that selectively closes the second outlet side end and closes the second outlet side end to guide the guide member to the second end side of the connection groove. Including at least one.

Preferably, the connecting member is located below the first workpiece and the second workpiece. The first inlet side end is located above the second inlet side end, and the first outlet side end is located above the second outlet side end. The closing member includes a second closing member and a fourth closing member. The connection guide member according to the present invention is a connection guide member that is arranged between a plurality of guide portions and can switch the connection between the guide portions, and the plurality of slit portions are formed at intervals, and can be elastically deformed. Formed.

According to the seaming device according to the present invention, it is possible to perform seaming with the object to be processed stationary, and to easily change the number of processing rollers. According to the connection guide member according to the present invention, when a plurality of guide portions are connected, the degree of freedom such as the arrangement of the end portions of the guide portions can be increased.

It is a side view of the seaming device concerning this embodiment. It is a disassembled perspective view of a workpiece | work. It is a perspective view which shows a workpiece | work when hold | maintained by the chuck | zipper. It is sectional drawing which shows a seaming unit. It is a front view of a fixed plate. It is a top view which shows a rotation member and a stationary plate. It is a top view which shows a structure of a connection guide part and its vicinity. It is a top view which shows the connection guide part just before each process unit processes. It is a top view which shows a rotation member, a stationary plate, and a rotation member. FIG. 10 is a plan view showing a rotating member and a fixed plate showing a state where the rotating member is rotated from the state shown in FIG. 9. It is a top view which shows the connection state of the connection guide part after a process unit enters in the process guide part. It is a top view of the rotation member and fixed plate which show a state when a rotation member further rotates from the state shown in FIG. It is sectional drawing which shows the flange part and flange part in the state before processing. It is sectional drawing which shows the process in which a process unit processes a flange part and a flange part. It is sectional drawing which shows the state which a process roller processes a flange part and a flange part. It is sectional drawing which shows the state which a process unit processes a flange part and a flange part. It is sectional drawing which shows the state which a process roller processes a flange part and a flange part. It is sectional drawing which shows the state which a process roller processes a flange part and a flange part. It is a perspective view which shows a molded product. It is a top view which shows a guide main-body part typically. It is a top view which shows the stationary plate mounted in the seaming apparatus which concerns on this Embodiment 2. FIG. It is a top view which shows a switching apparatus and its periphery. It is sectional drawing which shows the structure of a closure member and its periphery. It is sectional drawing which shows the state which moved the closure member from the state shown in FIG. 23, and protruded the closure member from the bottom face of the connection groove | channel. It is a top view which shows the structure in the switching device in the state in which the end surface of the closing member and the closing member was flush with the bottom surface of the connection groove, and its surroundings. It is a top view which shows a rotating member, a fixed plate, etc. just before each processing unit processes. It is a top view of the switching apparatus in the state shown in FIG. It is a top view which shows the state which rotated the rotation member from the state shown in FIG. It is a top view which shows the state which the rotation member rotated further from the state shown in FIG. It is a top view which shows the switching apparatus in the state shown in FIG. FIG. 30 is a plan view showing a state where the rotating member is further rotated from the state shown in FIG. 29. It is a top view which shows the 1st modification of a switching apparatus. It is a top view which shows the modification of the switching apparatus shown in the said FIG. It is a top view which shows the 2nd modification of a switching apparatus. It is a top view which shows the 3rd modification of a switching device.

A seaming device 100 according to an embodiment of the present invention will be described with reference to FIGS. Note that in the embodiments described below, when referring to the number, amount, and the like, the scope of the present invention is not necessarily limited to the number, amount, and the like unless otherwise specified. In the following embodiments, each component is not necessarily essential for the present invention unless otherwise specified. In addition, when there are a plurality of embodiments below, it is planned from the beginning to appropriately combine the features of each embodiment unless otherwise specified.

(Embodiment 1)
FIG. 1 is a side view of a seaming device 100 according to the present embodiment. As shown in FIG. 1, a seaming device 100 includes a chuck 102 that holds a workpiece 101, and a seaming unit 103 and a seaming unit 104 that are provided so as to be able to advance and retract toward the workpiece 101 supported by the chuck 102. Including.

The workpiece 101 is disposed between the seaming unit 103 and the seaming unit 104, and the seaming unit 103 and the seaming unit 104 process the workpiece 101 with the workpiece 101 sandwiched therebetween.

FIG. 2 is an exploded perspective view of the workpiece 101. As shown in FIG. 2, the workpiece 101 includes a body portion 210, a top plate portion 211 disposed on the upper surface side of the body portion 210, and a drain pan 212 disposed on the bottom surface side of the body portion 210.

A flange portion 213 is formed on the upper end side of the body portion 210, and a flange portion 214 is formed on the lower end side of the body portion 210. A flange portion 215 is formed on the upper side portion of the drain pan 212, and a flange portion 216 is also formed on the peripheral portion of the top plate portion 211.

FIG. 3 is a perspective view showing the workpiece 101 when held by the chuck 102. As shown in FIG. 3, the body portion 210, the top plate portion 211, and the drain pan 212 are fixed by the chuck 102 so that the respective flange portions come into contact with each other. Specifically, the flange portion 214 and the flange portion 215 come into contact with each other, and the flange portion 213 and the flange portion 216 come into contact with each other.

The overhang amount of the flange portion 215 formed on the drain pan 212 is larger than the overhang amount of the flange portion 214 formed on the body portion 210, and the overhang amount of the flange portion 216 is greater than the overhang amount of the flange portion 213. Is also getting bigger. An opening 217 is defined by the body portion 210, the top plate portion 211, and the drain pan 212.

In addition, the flange part 216 is not formed in the part which prescribes | regulates the opening part 217 among the peripheral parts of the top-plate part 211, The part which prescribes | regulates the opening part 217 among the peripheral parts of the drain pan 212, The flange portion 215 is not formed.

The seaming device 100 shown in FIG. 1 performs a bending process on the flange portion 216 and the flange portion 213 to integrally connect the top plate portion 211 and the body portion 210, and at the same time, the flange portion 214 and the flange portion 215. The body portion 210 and the drain pan 212 are integrally coupled by performing a bending process.

1, the seaming device 100 includes a drive unit 105 that moves the seaming unit 103 forward and backward, and a drive unit 106 that moves the seaming unit 104 forward and backward.

The drive unit 105 includes a base 107 provided with a drive unit therein, a slide base 108 capable of sliding on the upper surface of the base 107, and a motor 109 provided on the upper surface of the slide base 108.

The drive unit 106 also includes a base 110 provided with a drive unit therein, a slide base 111 provided so as to be slidable on the upper surface of the base 110, and a motor 112 provided on the upper surface of the slide base 111.

The slide base 108 slides on the base 107 by a drive unit provided in the base 107, and the slide base 111 also slides on the base 110 by a drive unit provided in the base 110.

The seaming unit 103 includes a rotating member 113 provided rotatably on a shaft portion 114 provided on the slide table 108, and the seaming unit 104 is also provided rotatably on a shaft portion 115 provided on the slide table 111. The rotation member 116 is included.

The rotating member 113 is rotated by the motor 109, and the rotating member 116 is also rotated by the motor 112.

A fixed plate 117 is fixed to the end portion of the shaft portion 114, and a fixed plate 118 is fixed to the end portion of the shaft portion 115. The fixed plate 117 is disposed closer to the workpiece 101 than the rotating member 113, and the fixed plate 118 is also disposed closer to the workpiece 101 than the rotating member 116. The rotating member 113 rotates around the rotation center line O1 by the driving force from the motor 109, while the fixed plate 117 does not rotate. Similarly, the rotating member 116 rotates about the rotation center line O2 by the driving force from the motor 112, while the fixed plate 118 does not rotate.
The rotation center line O1 and the rotation center line O2 both extend so as to pass through the workpiece 101.

Here, the seaming unit 103 and the seaming unit 104 have substantially the same configuration. Therefore, the configuration of the seaming unit 104 will be described in detail.

FIG. 4 is a cross-sectional view showing the seaming unit 104. As shown in FIG. 4, a ring-shaped gear 121 is formed on the outer surface of the rotating member 116. The output shaft of the motor 112 is engaged with the gear 121 and is rotated by the driving force from the motor 112. The driving gear 122 is fixed.

The rotating member 116 rotates around the rotation center line O2 by the driving force from the motor 112. The rotating member 116 is attached to the outer peripheral surface of the shaft portion 115 via a bearing 123.

Therefore, the driving force from the motor 112 is not transmitted to the shaft portion 115, and the shaft portion 115 and the fixed plate 118 fixed to the tip portion of the shaft portion 115 do not rotate.

A plurality of processing units 120 are provided on the main surface inside the rotating member 116. The rotating member 116 is formed in a disc shape, and a plurality of holding portions 124 are arranged at intervals on the outer peripheral edge of the rotating member 116, and the processing unit 120 is rotated by the holding portion 124. It is provided so as to be able to advance and retreat toward the center line O2. The processing unit 120 includes a slide bar (movable part) 125 extending from the outer peripheral side of the rotation member 116 toward the rotation center line O2, a roller holder 126 fixed to the inner end of the slide bar 125, and the roller holder 126. The processing roller 127 is disposed, a shaft portion 128 that rotatably supports the processing roller 127, and a guide roller 129 that is rotatably provided on the shaft portion 128.

The slide bar 125 is inserted into the guide hole 130 formed in the holding portion 124 and is slidably moved in the guide hole 130. As a result, the slide bar 125, the processing roller 127, and the guide roller 129 are provided so as to be able to advance and retract toward the rotation center line O2.

A processing surface for bending the flange portion 214 and the flange portion 215 shown in FIG. 3 is formed on the peripheral surface of the processing roller 127.

The guide roller 129 of the processing unit 120 enters the processing guide portion 140 and the retraction guide portion 141 formed on the main surface of the fixed plate 118. As a result, the processing roller 127 is guided by the processing guide portion 140 and the retraction guide portion 141.

FIG. 5 is a front view of the fixed plate 118. As shown in FIG. 5, the fixed plate 118 is formed in a substantially disc shape. On the main surface of the fixing plate 118, a processing guide portion (processing guide groove portion) 140 extending along the flange portion 214 and the flange portion 215 and a position away from the processing guide portion 140 are formed. A retraction guide portion (retraction guide groove) 141 for retreating the guide roller 129 from the flange portion 215 is formed. The retracting guide portion 141 is formed on the outer peripheral side of the processing guide portion 140.

A concave portion 145 is formed in the outer peripheral edge portion of the fixing plate 118, and the connection guide portion 143 is disposed in the concave portion 145. A guide groove 144 is formed in the connection guide portion 143. As the rotating member 116 shown in FIG. 4 rotates, the processing guide section 140 advances in the retraction guide section 141 and the processing guide section 140 in the rotation direction R as shown in FIG.

The inner peripheral edge portion of the concave portion 145 includes a side surface portion 150, a side surface portion 151 located on the front side in the rotation direction R with respect to the side surface portion 150, and a bottom side portion 152 connecting the side surface portion 150 and the side surface portion 151.

The outlet side end 146 of the retracting guide part 141 and the outlet side end 147 of the processing guide part 140 are arranged on the side surface part 150. On the side surface portion 151, an inlet side end portion 148 of the retracting guide portion 141 and an inlet side end portion 149 of the processing guide portion 140 are located.

The connection guide part 143 connects the outlet side end part 146 and the inlet side end part 149, or connects the outlet side end part 147 and the inlet side end part 148. As a matter of course, the connection guide part 143 can connect the outlet side end part 147 and the inlet side end part 149, or connect the outlet side end part 146 and the inlet side end part 148.

For example, when the connection guide portion 143 connects the outlet side end portion 146 of the retracting guide portion 141 and the inlet side end portion 149 of the processing guide portion 140, the guide roller 129 that advances in the retracting guide portion 141 is connected. It passes through the guide part 143 and enters the processing guide part 140. In this way, when the guide roller 129 enters the processing guide portion 140, the processing roller 127 of the processing unit 120 provided with the guide roller 129 processes the workpiece 101.

Further, the connection guide portion 143 connects the outlet side end portion 147 of the processing guide portion 140 and the inlet side end portion 148 of the retraction guide portion 141, so that the guide roller 129 that has passed through the processing guide portion 140 is Then, it passes through the connection guide part 143 and enters the retreat guide part 141. As a result, the processing roller in which the flange portion 214 and the flange portion 215 are bent is retracted away from the flange portion 214 and the flange portion 215.

The recess 145 is located on the outer peripheral side of the fixed plate 118 with respect to the opening 217 of the workpiece 101 to be arranged. In the present embodiment, the concave portion 145 and the connection guide portion 143 are located below the opening 217. The processing guide portion 140 extends along the flange portion 214 and the flange portion 215, while being formed so as to be away from the opening portion 217.

FIG. 6 is a plan view showing the rotating member 116 and the fixed plate 118. As shown in FIG. 6, a plurality of processing units 120A to 120J are arranged on the main surface of the rotating member 116.

In the state shown in FIG. 6, each of the processing units 120A to 120J is in a state before processing the workpiece 101. The guide rollers 129 of the respective processing units 120A to 120J are located in the retracting guide portion 141, and the respective processing rollers 127 are retracted from the workpiece 101.

FIG. 7 is a plan view showing the configuration of the connection guide portion 143 and the vicinity thereof. In FIG. 7, the connection guide portion 143 includes a guide main body portion 163 that is deformable, a support portion 164 that is fixed to one end portion of the guide main body portion 163, and the other end portion of the guide main body portion 163. And a support portion 165 fixed to the head.

A guide groove through which the guide roller 129 can pass is formed on the upper surface of the guide main body 163, and similar guide grooves are formed on the upper surfaces of the support portion 164 and the support portion 165.

The support part 164 moves along the side part 150 by the driving force from the driving part 160, and the support part 165 also moves along the side part 151 by the driving force from the driving part 161. The drive part 160 and the drive part 161 are being fixed to the back surface of the fixed board 118, as shown in FIG.

The support portion 164 moves along the guide base 166 fixed to the fixed plate 118, and the support portion 165 also moves along the guide stand 167 fixed to the fixed plate 118.

The guide main body 163 is formed with first slits and second slits extending in the radial direction of the fixed plate 118 alternately with an interval in the extending direction of the guide main body 163.

The first slit extends outward from the radially inner side of the guide body 163, and the second slit extends radially inward from the radially outer side of the guide body 163. It extends.

Since a plurality of such first slits and second slits are formed, the guide main body 163 can be elastically deformed, and further, the guide main body 163 can be expanded and contracted.

Seaming is performed on the workpiece 101 by using the seaming device 100 configured as described above. First, as shown in FIG. 3, the chuck 102 holds the top plate portion 211, the body portion 210 and the drain pan 212. Then, the driving unit 105 and the driving unit 106 shown in FIG. 1 are driven, and the seaming unit 103 and the seaming unit 104 are brought close to the workpiece 101.

Thereafter, the motor 109 and the motor 112 are driven, and the rotating member 113 and the rotating member 116 start to rotate.

FIG. 8 is a plan view showing the connection guide portion 143 immediately before each processing unit 120 performs processing. In FIG. 8, before the rotating member 113 (the rotating member 116) rotates, the connection guide portion 143 includes an outlet side end portion 146 of the retracting guide portion 141 and an inlet side end portion 149 of the processing guide portion 140. Connect.

Thereby, the guide roller 129 located in the retracting guide portion 141 can enter the processing guide portion 140 through the connection guide portion 143.

9 is a plan view showing the rotating member 116, the fixed plate 118, and the rotating member 116. As shown in FIG. 8, the connection guide portion 143 has an end portion of the retracting guide portion 141 and an end portion of the processing guide portion 140. The state after connecting the parts is shown.

As shown in FIG. 9, after the connection guide part 143 connects the outlet side end part 146 of the retraction guide part 141 and the inlet side end part 149 of the processing guide part 140, the rotating member 116 rotates. Thus, the guide roller 129 of the processing unit 120 sequentially enters the processing guide portion 140.

Then, when the guide roller 129 enters the processing guide portion 140, the processing roller 127 of the processing unit 120 including the guide roller 129 processes the workpiece 101.

Then, as the rotating member 116 further rotates from the state shown in FIG. 9, the guide rollers 129 of the other processing units 120 sequentially enter the processing guide portion 140.

Thereby, the processing roller 127 of the processing unit 120A processes the flange portion 214 and the flange portion 215, and the processing roller 127 of the processing unit 120B further processes the flange portion 214 and the flange portion 215 processed by the processing unit 120A. It will be.

Then, the processing rollers 127 of the processing units 120C to 120J sequentially bend the flange portion 214 and the flange portion 215.

FIG. 10 is a plan view showing the rotating member 116 and the fixed plate 118 in a state where the rotating member 116 is rotated from the state shown in FIG.

As shown in FIG. 10, in the process of processing the workpiece 101, the peripheral surface of the workpiece 101 is pushed toward the rotation center line O2 by a plurality of processing rollers 127. For this reason, it is difficult for the workpiece 101 to be displaced during the processing of the flange portion 214 and the flange portion 215.

In the state shown in FIG. 10, all the guide rollers 129 of the processing units 120A to 120J enter the processing guide section 140.

Note that the machining unit 120 that first enters the machining guide unit 140 has already been worked over the entire circumference of the flange portion 214 and the flange portion 215 of the workpiece 101, and has been retracted to a position away from the workpiece 101.

On the other hand, finally, the processing unit 120J that has entered the processing guide portion 140 further processes the flange portion 214 and the flange portion 215 by further rotating the rotating member 116. As described above, the processing unit 120A has already processed the flange portion 214 and the flange portion 215, and needs to be retracted to the retracting guide portion 141. Therefore, the connection guide part 143 switches the connection state between the processing guide part 140 and the retracting guide part 141.

FIG. 11 is a plan view showing a connection state of the connection guide portion 143 after the processing unit 120J enters the processing guide portion 140. FIG. As shown in FIG. 11, the connection guide portion 143 connects the outlet side end portion 147 of the retracting guide portion 141 and the inlet side end portion 148 of the retracting guide portion 141.

Thereby, the guide roller 129 of each processing unit 120 can sequentially enter the retreat guide part 141 through the connection guide part 143.

FIG. 12 is a plan view showing the rotating member 116 and the fixed plate 118 when the rotating member 116 further rotates from the state shown in FIG.

In the state shown in FIG. 12, as shown in FIG. 11, the connection guide portion 143 includes the outlet side end portion 147 of the processing guide portion 140 and the inlet side end portion 148 of the retraction guide portion 141. Is connected.

Then, as shown in FIG. 12, when the rotating member 116 rotates, the guide roller 129 of the processing unit 120 that has finished processing the workpiece 101 passes through the connection guide portion 143.
The guides 141 for retraction are sequentially entered.

On the other hand, the processing units 120E to 120J further bend the flange portion 214 and the flange portion 215 as the rotating member 116 rotates. When the processing unit 120 performs processing, the inner peripheral surface of the workpiece 101 is supported by a support member provided on the chuck.

Further, as the rotating member 116 rotates and the guide rollers 129 of all the processing units 120 enter the retreat guide portions 141, all the processing rollers 127 retreat from the workpiece 101 as shown in FIG. Then, the machining of the workpiece 101 is completed.

Here, the guide roller 129 provided in each of the processing units 120A to 120J performs different processing on the flange portion 214 and the flange portion 215.

FIG. 13 is a cross-sectional view showing the flange portion 214 and the flange portion 215 in a state before being processed. As shown in FIG. 13, the flange portion 215 is formed so as to protrude from the flange portion 214.

FIG. 14 is a cross-sectional view showing a process of processing the flange portion 214 and the flange portion 215 by the processing unit 120A. As shown in FIG. 14, the flange portion 215 is bent by the processing roller 127A of the processing unit 120A. Specifically, the flange portion 215 is curved along the processing surface 290A formed on the peripheral surface of the processing roller 127A.

Then, when the rotating member 116 further rotates, the processing roller of the processing unit 127A further processes the portion processed by the processing roller 127A.

FIG. 15 is a cross-sectional view showing a state in which the processing roller 127C processes the flange portion 215 and the flange portion 214. As shown in FIG. 15, the processing surface 290C of the processing roller 127C has a smaller bending angle than the processing surface 290A of the processing roller 127A.

The flange portion 215 is bent deeper by the processing surface 290C of the processing roller 127C. As the rotating member 116 rotates, the processing unit 120D further processes the flange portion 214 and the flange portion 215 processed by the processing roller 127C.

FIG. 16 is a cross-sectional view showing a state in which the processing unit 120E processes the flange portion 215 and the flange portion 214. As shown in FIG. 16, the processing surface 290E formed on the peripheral surface of the processing roller 127E has a smaller bending angle than the processing surface 290A and the processing surface 290C, and the processing roller 127E has the flange portion 215 at the flange portion 214. Bend along the surface.

Thereafter, when the rotating member 116 is further rotated, the processing unit 120F further processes the flange portion 215 and the flange portion 214 processed by the processing roller 127E.

FIG. 17 is a cross-sectional view showing a state in which the processing roller 127G processes the flange portion 215 and the flange portion 214. As shown in FIG. 17, the processing roller 127 </ b> G causes the flange portion 215 to be in close contact with the flange portion 214 so that the bent flange portion 215 is along the front and back surfaces of the flange portion 214.

As the rotating member 116 further rotates, the processing unit 120H processes the flange portion 215 and the flange portion 214 processed by the processing roller 127G.

FIG. 18 is a cross-sectional view showing a state in which the processing roller 127I processes the flange portion 215 and the flange portion 214. As shown in FIG. 18, the processing roller 127 </ b> I bends the flange portion 214 and the flange portion 215 processed along the surface of the flange portion 214, so that the flange portion 214 extends along the surface of the body portion 210. And the flange part 215 is bent.

Thereafter, when the rotating member 116 further rotates, the processing unit 120J processes the flange portion 215 and the flange portion 214 bent by the processing roller 127I.

In this way, the bending process of the flange part 215 and the flange part 214 is completed. Although the case where the seaming unit 104 processes the flange portion 215 and the flange portion 214 has been described, the seaming unit 103 is also bent into the flange portion 216 and the flange portion 213 shown in FIG. Apply processing. Thereby, a molded product 200 as shown in FIG. 19 is formed.

According to the seaming device 100, the processing of the workpiece 101 can be completed by rotating the rotating members 116 and 113 once, and the molding time can be shortened.

When the molded product 200 is completed, each processing unit 120 is in a state of being retracted from the workpiece 101 as shown in FIG.

Here, depending on the workpiece 101 to be processed, it is necessary to further bend each flange portion with a plurality of processing units 120.

In this case, a new machining unit 120 can be added by changing the interval between the machining units 120.

Furthermore, when the number of processing units 120 is reduced, for example, some processing units 120 can be removed from the state shown in FIG.

Therefore, in the seaming device 100 according to the present embodiment, the ten processing units 120 are mounted on the rotating member 116, but the number can be appropriately changed according to the shape of the workpiece 101. The guide main body 163 will be described in detail with reference to FIG. FIG. 20 is a schematic diagram showing the guide main body 163 in a natural state. As shown in FIG. 20, the guide main body 163 in the natural state is formed in an elongated shape, and the guide main body 163 includes a side 170 and a side 171.

In the guide main body 163, a plurality of first slits 168 and second slits 169 are selectively formed. In the example shown in FIG. 20, the first slits 168 and the second slits 169 are alternately formed. ing.

The opening 181 of the first slit 168 is located at the side 170, and the first slit 168 extends from the side 170 toward the side 171. The opening 180 of the second slit 169 is located at the side 171, and the second slit 169 extends from the side 171 toward the side 170.

The width of the first slit 168 is formed so as to decrease from the side portion 171 toward the side portion 170, and the width of the second slit 169 is decreased from the side portion 170 side toward the side portion 171. Is formed. The guide body 163 may be formed by bending a thin metal plate or by laminating thin metal plates with slits.

As shown in FIGS. 8 and 11, the guide body 163 configured as described above can be elastically deformed and can be expanded and contracted.

For this reason, by connecting the connection guide part 143 including the guide main body part 163, the connection between the end portions of the processing guide part 140 and the retreat guide part 141 can be switched. Accordingly, it is not necessary to arrange the end portions of the processing guide portion 140 and the retracting guide portion 141 on a virtual circle, and the degree of freedom of arrangement of the end portions can be increased.

(Embodiment 2)
The seaming device 100 according to the second embodiment will be described with reference to FIGS. Of the configurations shown in FIG. 21 to FIG. 35, the same or corresponding components as those shown in FIG. 1 to FIG.

FIG. 21 is a plan view showing the fixing plate 118 mounted on the seaming device 100 according to the second embodiment. In the example shown in FIG. 21, a recess 145 is formed at the lower end of the fixed plate 118. The recess 145 is provided with a switching device 300, and the switching device 300 is disposed below the workpiece 101. In FIG. 21, the upper side of the page is the upward direction in the vertical direction, and the lower side of the page is the downward direction in the vertical direction.

The switching device 300 switches between a state in which the guide roller 129 is guided from the retraction guide unit 141 to the processing guide unit 140 and a state in which the guide roller 129 is guided from the processing guide unit 140 to the retraction guide unit 141.

FIG. 22 is a plan view showing the switching device 300 and its surroundings. As shown in FIG. 22, the switching device 300 is provided in the recess 145 and has a connection plate (connection member) 310 fixed to the fixed plate 118, a connection groove 301 formed in the connection plate 310, and a connection plate. A closing member 302 and a closing member 303 provided on 310 are provided.

The recess 145 and the connection plate 310 extend in an arc shape. The side portion 311 of the connection plate 310 is in contact with the side surface portion 150 of the recess 145, and the side portion 312 of the connection plate 310 is in contact with the side surface portion 151 of the recess 145.

An outlet side end 146 of the retracting guide portion 141 and an outlet side end 147 of the processing guide portion 140 are disposed on the side surface portion 150 of the concave portion 145, and the processing guide is provided on the side surface portion 151 of the concave portion 145. An inlet side end 149 of the portion 140 and an inlet side end 148 of the retracting guide portion 141 are disposed.

The connection groove 301 extends from the side part 311 to the side part 312. The outlet side end 147 of the processing guide part 140 and the outlet side end part 146 of the retracting guide part 141 are connected to the end part of the connecting groove 301 on the side part 311 side. An end portion 149 of the processing guide portion 140 and an inlet end portion 148 of the retracting guide portion 141 are connected to the end portion of the connection groove 301 on the side portion 312 side. In the example shown in FIG. 22, the outlet side end 147 is disposed above the outlet side end 146, and the inlet side end 149 is disposed above the inlet side end 148.

The closing member 302 and the closing member 303 are provided in the connection groove 301, the closing member 302 is disposed in the vicinity of the outlet side end 146, and the closing member 303 is in the vicinity of the inlet side end 148. Is arranged.

The closing member 302 and the closing member 303 are movably provided by a drive unit 304 and a drive unit 305 provided on the back side of the connection plate 310. Specifically, the closing member 302 can be switched between a state in which the driving member 304 protrudes from the bottom surface of the connection groove 301 and a state in which the end surface of the closing member 302 is substantially flush with the bottom surface of the connection groove 301. ing.

The closing member 303 can be switched by the drive unit 305 between a state in which it protrudes from the bottom surface of the connection groove 301 and a state in which the end surface of the closing member 303 is substantially flush with the bottom surface of the connection groove 301.

FIG. 23 is a cross-sectional view showing the configuration of the closing member 303 and its surroundings. As shown in FIG. 23, the closing member 303 is movably provided by a driving unit 305 such as a hydraulic cylinder provided on the back side of the connection plate 310.

The connection plate 310 includes a guide wall portion 320 and a guide wall portion 321 that define the connection groove 301. The closing member 303 is provided in a hole 322 formed in the connection plate 310, and is provided so as to be movable in the hole 322 by the driving unit 305.

In the state shown in FIG. 23, the end surface 306 of the closing member 303 and the bottom surface of the connection groove 301 are substantially flush. The end surface 306 of the closing member 303 is formed in a flat surface shape, and the end surface 306 is flush with the bottom surface of the connection groove 301, so that the end surface 306 also constitutes a part of the bottom surface of the connection groove 301.

FIG. 24 is a cross-sectional view showing a state in which the closing member 303 is moved from the state shown in FIG. 23 and the closing member 303 is protruded from the bottom surface of the connection groove 301. As illustrated in FIG. 24, the guide width of the connection groove 301 is narrowed by the closing member 303 protruding from the bottom surface of the connection groove 301.

FIG. 25 is a plan view showing the configuration of the switching device 300 and its surroundings in a state in which the end surfaces of the closing member 303 and the closing member 302 are flush with the bottom surface of the connection groove 301. As shown in FIG. 25, the end surface of the closing member 302 is flush with the bottom surface of the connection groove 301, so that the outlet side end portion 146 is opened and the retraction guide portion 141 and the connection groove 301 communicate with each other. The guide roller 129 moving in the rotation direction R in the retracting guide part 141 enters the connecting groove 301 from the outlet side end part 146 by the communication between the retracting guide part 141 and the connecting groove 301.

The connection plate 310 is provided at the lower end portion of the fixed plate 118, and the guide roller 129 has its own weight applied downward. For this reason, the guide roller 129 that has entered the connection groove 301 moves in the rotation direction R in the connection groove 301 while being in contact with the guide wall portion 321 provided on the lower side of the connection plate 310.

In the state shown in FIG. 25, the end surface of the closing member 303 and the bottom surface of the connection groove 301 are flush with each other, and the inlet side end portion 148 of the retracting guide portion 141 is opened. The guide roller 129 moves into the connecting groove 301 in the rotation direction R while being in contact with the guide wall portion 321, thereby entering the retraction guide portion 141 from the inlet side end portion 148.

In other words, in the state shown in FIG. 25, the switching device 300 moves the guide roller 129 passing through the retraction guide part 141 from the outlet side end 146 of the retraction guide part 141 to the inlet side end of the retraction guide part 141. Section 149 is guided.

A guide projection 313 is provided on the side portion 311 side of the connection plate 310, and a guide projection 314 is provided on the side portion 312 of the connection plate 310. The guide protrusion 314 includes a guide surface 317 and a guide surface 318 arranged in the vertical direction. A short guide groove is formed by the guide surface 317 and the inner wall surface of the guide wall portion 321.

The guide roller 129 heading from the connection groove 301 toward the inlet side end 148 reaches the inlet side end 148 after being guided by the short guide groove.

The guide surface 317 extends away from the guide wall part 321 as it goes from the side part 312 side to the side part 311. For this reason, when the guide roller 129 enters the groove formed by the guide surface 317 and the guide wall portion 321, the guide roller 129 is prevented from colliding with the guide protrusion 314.

22, the closing member 302 protrudes from the bottom surface of the connection groove 301, and the closing member 303 also protrudes from the bottom surface of the connection groove 301. Therefore, the outlet side end 146 is closed by the closing member 302, and the inlet side end 148 is closed by the closing member 303.

The guide protrusion 313 includes a guide surface 315 and a guide surface 316 arranged in the vertical direction. The closing member 302 includes a curved guide surface 307. When the blocking member 302 protrudes from the connection groove 301, the guide surface 307 is positioned so as to rise from the connection groove 301, and the guide surface 307 is connected to the guide surface 316. A guide groove is formed by the guide surface 316 and the guide surface 307 and the inner surface of the guide wall portion 320.

The closing member 303 includes a curved guide surface 308. As the closing member 303 protrudes from the connection groove 301, the guide surface 308 is connected to the guide surface 318. A guide groove is formed by the guide surface 318 and the guide surface 308 and the inner surface of the guide wall portion 320. As a result, in the state shown in FIG. 22, the switching device 300 forms a guide groove 330 that guides the guide roller 129 from the outlet side end 147 to the inlet side end 149.

The machining process of the workpiece 101 by driving the seaming device 100 configured as described above will be described with reference to FIGS.

FIG. 26 is a plan view showing the rotating member 116, the fixed plate 118, and the like immediately before each processing unit 120 performs processing. The guide rollers 129 of the respective processing units 120A to 120J are located in the retracting guide portion 141, and the respective processing rollers 127 are retracted from the workpiece 101.

26, as shown in FIG. 27, the closing member 303 protrudes from the connection groove 301. The end surface of the closing member 302 is flush with the bottom surface of the connection groove 301. For this reason, the guide roller 129 located in the retraction guide part 141 enters the connection groove 301 from the outlet side end part 146 by the rotation of the rotating member 116, and thereafter, the processing guide part by the closing member 303. 140 is guided to the inlet end portion 149.

FIG. 28 is a plan view showing a state in which the rotating member 116 is rotated in the rotation direction R from the state shown in FIG. As shown in FIG. 28, when the rotating member 116 rotates in the rotation direction R, the guide roller 129 such as the processing unit 120A sequentially enters the processing guide portion 140. Thereby, the workpiece 101 starts to be processed.

FIG. 29 is a plan view showing a state in which the rotating member 116 is further rotated from the state shown in FIG. In the state shown in FIG. 29, the guide rollers 129 of all the processing units 120A to 120J enter the processing guide section 140.

At this time, as shown in FIG. 30, the closing member 302 protrudes from the connection groove 301. On the other hand, the end surface of the closing member 302 is flush with the bottom surface of the connection groove 301.

Therefore, when the rotating member 116 further rotates, the guide rollers 129 of the processing units 120A to 120J enter the connection groove 301 from the outlet side end portion 147 while being guided by the guide surface 307. Thereafter, since the weight of the guide roller 129 is applied downward, the guide roller 129 is guided by the guide wall portion 321 and reaches the inlet side end portion 148.

FIG. 31 is a plan view showing a state in which the rotating member 116 is further rotated from the state shown in FIG. As shown in FIG. 31, when the rotating member 116 rotates, the guide rollers 129 such as the processing unit 120 </ b> A sequentially enter the retreat guide unit 141.

Then, when the guide rollers 129 of all the processing units 120A to 120J enter the retreat guide portion 141, the state shown in FIG. 26 is obtained.

Also in the seaming device 100 according to the second embodiment, the processing rollers 127 of the processing units 120A to 120J process the workpiece 101 as the processing units 120A to 120J pass through the processing guide section 140.

As described above, according to the seaming device 100 according to the second embodiment, the switching device 300 moves the closing member 302 and the closing member 303 while the processing units 120A to 120J process the workpiece 101. The state in which the guide roller 129 is guided from the retracting guide portion 141 to the processing guide portion 140 and the state in which the guide roller 129 is guided from the processing guide portion 140 to the retracting guide portion 141 are switched. This switching of the guide path can be achieved by moving the closing member 302 and the closing member 303 by the driving unit 304 and the driving unit 305, and can suppress the deterioration of each member over time.

Although the seaming device 100 in which the switching device 300 is mounted has been described with reference to FIGS. 21 to 31, the switching device 300 is not limited to the configuration described above.

FIG. 32 is a plan view showing a first modification of the switching device 300. In the example shown in FIG. 32, the switching device 300 is disposed on the upper end side of the fixed plate 118 and above the workpiece 101. In the example shown in FIG. 32, the outlet side end 146 of the retracting guide portion 141 is located above the outlet side end 147 of the processing guide portion 140, and the inlet side end of the retracting guide portion 141. The part 148 is located above the inlet side end part 149 of the processing guide part 140.

32 includes a closing member 341 that selectively closes the inlet side end 149, a closing member 340 that selectively closes the outlet side end 147, and a drive unit that moves the closing member 340. 342 and a drive unit 343 that moves the closing member 341.

When the closing member 340 protrudes from the bottom surface of the connection groove 301, the guide roller 129 that has entered the connection groove 301 from the retracting guide portion 141 is guided toward the inlet side end portion 148 or the inlet side end portion 149. Is done.

The guide roller 129 that has entered the connection groove 301 tends to be displaced downward by its own weight, but the blocking member 340 supports the guide roller 129 that has entered the connection groove 301 to enter the connection groove 301. The collision between the guide roller 129 and the guide wall 320 is suppressed.

When the closing member 341 protrudes from the bottom surface of the connection groove 301, the guide roller 129 is guided to the inlet side end portion 148 and enters the retreat guide portion 141.

On the other hand, when the end surface of the closing member 341 is flush with the bottom surface of the connection groove 301, the guide roller 129 is displaced downward by its own weight and is guided by the guide wall portion 320. Thereafter, the guide roller 129 reaches the inlet side end portion 149 and enters the processing guide portion 140.

FIG. 33 is a plan view showing a modification of the switching device 300 shown in FIG. In the example shown in FIG. 33, the switching device 300 does not include the closing member 340 and the drive unit 342. In this switching device 300, for example, the end surface of the closing member 341 is flush with the bottom surface of the connection groove 301, so that the guide roller 129 that has entered the connection groove 301 from the outlet side end 146 is inserted into the inlet side end 149. Can be guided to. Further, since the closing member 341 protrudes from the bottom surface of the connection groove 301, the guide roller 129 that has entered the connection groove 301 from the processing guide portion 140 can be guided to the inlet side end portion 148.

As a result, each guide roller 129 can be guided to the processing guide section 140 at the start of processing. Further, the guide roller 129 of the processing unit 120 that has processed the workpiece 101 can be moved from the processing guide portion 140 to the retracting guide portion 141, and the processing roller 127 that has processed the workpiece 101 is retracted from the workpiece 101. Can be made. As described above, the closing member 340 and the drive unit 342 shown in FIG. 32 are not essential components of the switching device 300.

FIG. 34 is a plan view showing a second modification of the switching device 300. In the example shown in FIG. 34, the switching device 300 is provided on the lower end side of the fixed plate 118 and is disposed below the workpiece 101.

In the example shown in FIG. 34, the switching device 300 does not include the closing member 302 and the driving unit 304. As described above, in the switching device 300 arranged on the lower end side of the fixed plate 118, the closing member 302 and the drive unit 304 are not essential components.

Also in this example, the guide roller 129 can be guided to the inlet side end portion 149 by the blocking member 303 protruding from the bottom surface of the connection groove 301. Since the end surface of the closing member 303 is flush with the bottom surface of the connection groove 301, the guide roller 129 is guided to the inlet side end portion 148.

FIG. 35 is a plan view showing a third modification of the switching device 300. In the example shown in FIG. 35, the fixing plate 118 is arranged in the horizontal direction, and the switching device 300 selectively selects the closing member 302 that selectively closes the outlet side end 146 and the inlet side end 148. A closing member 303 that selectively closes the outlet side end 147, and a closing member 341 that selectively closes the inlet side end 149.

The switching device 300 causes the blocking members 340 and 303 to protrude from the bottom surface of the connection groove 301, and the end surfaces of the blocking members 302 and 341 and the bottom surface of the connection groove 301 are flush with each other. The end face of the connection groove 301 and the bottom face of the connection groove 301 are flush with each other, and the state in which the closing members 340 and 303 are protruded from the bottom face of the connection groove 301 is appropriately switched.

As described above, the switching device 300 appropriately drives the respective blocking members 302, 303, 340, and 341 to guide the guide roller 129 from the retracting guide portion 141 to the processing guide portion 140, and the guide roller 129. Can be appropriately switched from the processing guide portion 140 to the retracting guide portion 141.

Although the embodiments of the present invention have been described above, the embodiments disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is defined by the terms of the claims, and is intended to include any modifications within the scope and meaning equivalent to the terms of the claims. Furthermore, the above numerical values are examples, and are not limited to the above numerical values and ranges.

The present invention can be applied to a seaming device, and is particularly suitable for a seaming device for producing a large molded product. Further, the present invention can be applied to a connection guide member that connects guide portions to each other.

100 seaming device, 102 chuck, 103, 104 seaming unit, 105, 106 drive unit, 107, 110 base, 108, 111 slide base, 109, 112 motor, 113, 116 rotating member, 114, 115 shaft, 117, 118 fixed plate, 120, 120A to 120J processing unit, 121 gear, 122 drive gear, 123 bearing, 124 holding part, 125 slide bar, 126 roller holder, 127, 127A to 127J processing roller, 129 guide roller, 130 guide hole, 140 Processing guide part, 141 Retraction guide part, 143 Connection guide part, 144 Guide groove, 145 Recessed part, 146, 147 Exit side end part, 148, 149 Entrance side end part, 150, 151 Side face part, 1 2 bottom part, 160, 161 drive part, 163 guide body part, 164, 165 support part, 166, 167 guide stand, 200 molded product, 210 body part, 211 top plate part, 212 drain pan, 213, 214, 215, 216 Flange part, 217 opening part, 290A, 290C, 290E processing surface, O1, O2 rotation center line, R rotation direction.

Claims (8)

1. The first workpiece (210) is bent by bending the first flange portion (214) of the first workpiece (210) and the second flange portion (215) of the second workpiece (212). And a seaming device for joining the second workpiece (212),
   A processing roller (127) for bending the first flange portion (214) and the second flange portion (215), and a processing unit (120) including a guide member;
   It extends along the first flange part (214) and the second flange part (215), and the processing roller (127) processes the first flange part (214) and the second flange part (215). A processing guide part (140) for guiding the guide member (129);
   The guide member (129) provided at a position away from the processing guide portion (140) and retracting the processing roller (127) from the first flange portion (214) and the second flange portion (215). A retraction guide part (141) for guiding
   The guide member (129) is guided from the retracting guide portion (141) to the processing guide portion (140), and the guide is guided from the processing guide portion (140) to the retracting guide portion (141). A switching device for switching between a state of guiding the member (129);
   A seaming device.
2. The switching device is a connection guide part (143) for connecting the processing guide part (140) and the retraction guide part (141),
   The connection guide part (143)
   The retracting guide part (141) and the processing guide part (140) are connected so that the guide member (129) can enter the processing guide part (140) from the retracting guide part (141). State to
   The retraction guide portion (141) and the processing guide portion (140) are connected so that the guide member (129) can enter the retraction guide portion (141) from the processing guide portion (140). The seaming device according to claim 1, wherein the seaming device is switched to a state to be performed.
3. The seaming device according to claim 2, wherein the connection guide part (143) is made deformable by forming a plurality of slits at intervals in the extending direction of the connection guide part (143).
4. A rotating member (116) provided rotatably about a center line passing through the first workpiece (210) and the second workpiece (212);
   A movable member (125) provided on the rotating member (116) so as to be able to advance and retract toward the center line;
   A fixing plate (118) disposed closer to the first workpiece (210) and the second workpiece (212) than the rotating member (116);
   Further comprising
   The processing roller (127) and the guide member (129) are provided on the movable member (125),
   A concave portion (145) is formed in the peripheral portion of the fixing plate (118),
   The retracting guide part (141) and the processing guide part (140) are formed on the fixing plate (118),
   The retracting guide part (141) is located outside the processing guide part (140),
   The processing guide part (140) is opposite to the first inlet side end part (149) from which the guide member (129) enters from the retraction guide part (141) and the first inlet side end part (149). A first outlet side end (147) located on the side,
   The retracting guide part (141) is opposite to the second inlet side end part (148) into which the guide member (129) enters from the processing guide part (140) and the second inlet side end part (148). A second outlet side end (146) located on the side,
   The first inlet side end (149) and the second inlet side end (148) are located on one side of the recess (145),
   The first outlet side end (147) and the second outlet side end (146) are located on the other side of the recess (145),
   The connection guide portion (143) includes a state where the first inlet side end portion (149) and the second outlet side end portion (146) are connected, and the first outlet side end portion (147) and the second outlet side end portion (146). The seaming device according to claim 2, wherein the seaming device can be switched between a state in which the inlet side end portion (148) is connected.
5. The processing guide part (140) includes a first inlet side end part (149) into which the guide member (129) enters and a first outlet side end part (147) from which the guide member (129) comes out. Including
   The retraction guide part (141) includes a second inlet side end part (148) into which the guide member (129) enters, and a second outlet side end located on the opposite side of the second inlet side end part (148). Part (146),
   The switching device (300) includes the first inlet side end (149), the second inlet side end (148), the first outlet side end (147), and the second outlet side end (146). And a closing member provided in the connecting member,
   The first outlet side end (147) and the second outlet side end (146) are connected to the first end of the connection groove, and the first inlet side end ( 149) and the second inlet end (148),
   The closing member selectively closes the first inlet side end portion (149), and closes the first inlet side end portion (149), whereby the guide member (129) is closed to the second inlet. Selectively closing the first closing member (341) guided to the side end (148) and the second inlet side end (148), and closing the second inlet side end (148); The seaming device according to claim 1, comprising at least one of a second closing member (303) for guiding the guide member (129) to the first inlet side end (149).
6. The closing member selectively closes the first outlet side end portion (147) and closes the first outlet side end portion (147) so that the guide member (129) is inserted into the connection groove. Selectively closing the third closing member (342) guided to the second end side and the second outlet side end (146), and closing the second outlet side end (146); The seaming device according to claim 5, further comprising at least one of a fourth closing member (302) for guiding the guide member (129) to the second end side of the connection groove.
7. The connecting member is located below the first workpiece (210) and the second workpiece (212);
   The first inlet side end (149) is located above the second inlet side end (148),
   The first outlet side end (147) is located above the second outlet side end (146),
   The seaming device according to claim 6, wherein the closing member includes the second closing member (303) and the fourth closing member (302).
8. A connection guide member (129) disposed between a plurality of guide portions and capable of switching the connection between the guide portions,
   A connection guide member in which a plurality of slit portions are formed at intervals and formed to be elastically deformable.

Images