JP4909577B2 - Press device and press device system - Google Patents

Description

  The present invention relates to a press apparatus and a press apparatus system.

  2. Description of the Related Art Conventionally, a multi-stage press apparatus that presses a plurality of workpieces (resin film, etc., together with a molded product after processing, hereinafter referred to as “product”) with a single press has been used. This multi-stage press apparatus has an upper press board, at least one intermediate press board, and a lower press board. The upper and lower press machines each have one press surface on the lower or upper surface, and the intermediate press machine has two upper and lower press surfaces. Each press board is disposed so as to be stacked one above the other with the press surfaces parallel and substantially horizontal. This pressing apparatus operates as follows. First, the press machines are arranged at intervals in the stacking direction, and the product is placed on the press surfaces of the lower press machine and the intermediate press machine. Next, when the press machines are driven in a direction in which the press machines approach each other, the upper and lower surfaces of the product eventually come into contact with the opposing press surfaces of the adjacent press machines (that is, the product is sandwiched between the press machines above and below the product). When the press panel is further driven, a compressive load is applied to the product, and the product is pressed. Next, after the press work is completed, the press disks are driven in directions in which the press disks are separated from each other so that the product can be taken out from the multistage press apparatus.

  Moreover, a press apparatus system is comprised by this multistage press apparatus and the stacker and loader mentioned later. The stacker temporarily stores products before / after pressing, and the loader is responsible for transporting products between the stacker and the multistage press apparatus. Note that the product always remains placed on the feed plate (carrier plate) during a series of steps by the press apparatus system. That is, the product is stored in the stacker while being placed on the feed plate, conveyed by a loader, and pressed by a multistage press. After processing, the product is transported by the loader while being placed on the feed plate, and stored again in the stacker.

  In the stacker, a plurality of products processed by one press are stored with the same relative positional relationship as when they are arranged in a multistage press apparatus. The stacker has a substantially rectangular parallelepiped housing and a support arm protruding inward from the inner wall of the housing. Further, the support arm includes a claw portion protruding upward from the tip thereof. Each feed plate is stored in the stacker while being supported from below by a plurality of support arms (directly claw portions).

  Furthermore, the stacker is connected to a transport mechanism such as a belt conveyor mechanism. The product before press working is transported from the previous process to the stacker via this belt conveyor mechanism in a state of being placed on the feed plate, and then stored in the stacker by a known mechanism. In addition, the pressed product stored in the stacker is transported to the subsequent process via the belt conveyor mechanism while still being placed on the feed plate.

  Next, specific functions of the loader will be described. The loader (1) first moves in front of the stacker, (2) takes out the product from the stacker while maintaining the positional relationship during storage, and (3) then loads the product while maintaining the positional relationship. Move to the front of the multi-stage press machine, (4) Next, while maintaining the positional relationship, the product is transferred onto the lower press machine and the intermediate press machine of the multi-stage press machine. Thus, the multi-stage press apparatus is ready to press the product. Moreover, when taking out the press-processed product from a multistage press apparatus and storing it in a stacker, it is carried out by a procedure reverse to the above process. That is, the loader moves in front of the multi-stage press apparatus, takes out the press-processed product from the multi-stage press apparatus, moves in front of the stacker while loading the product, and finally stores the product in the stacker. In the meantime, the relative positional relationship of the product when the loader takes out the product is maintained.

A conventional example of such a loader is disclosed in Patent Document 1. In the configuration disclosed in Patent Document 1, the loader includes a plurality of pairs of loader arms, and a single feed plate is placed on the pair of loader arms.
7-115240

  Each of the loader arms can be driven up and down in conjunction with each other, and by moving the loader arm upward, the feed plate above the loader arm can be scooped up. In addition, with the feed plate placed on the loader arm, the loader is moved so that the loader arm enters the stacker or the press device, and then the loader arm is lowered to position the feed plate below the feed plate. The feed plate can be transferred onto the support arm of the stacker or the press disk of the press device.

  Plural pairs of loader arms are arranged side by side in the vertical direction, and by simultaneously lowering the plural pairs of loader arms, a plurality of feed plates placed on each loader arm can be simultaneously placed on the support arm of the press panel or stacker. It can be mounted on. Further, by simultaneously raising a plurality of pairs of loader arms, it is possible to scoop up a plurality of feeding plates placed on the press arm or the support arm of the stacker at the same time.

  In the configuration as disclosed in Patent Document 1, it is necessary to feed the loader arm into the stacker and the press device when the feeding plate is unloaded. In a multi-stage press apparatus, a hydraulic cylinder that normally drives a press board is disposed below the lower press board. For this reason, when a support mechanism for supporting the loader arm is provided on the tip side of the loader arm (the end on the side close to the stacker or the press device), the support mechanism itself is the hydraulic cylinder of the press device. The loader arm cannot be fed into the press device. Therefore, the support mechanism for supporting the loader arm is provided only on the base end side of the loader arm (the end on the side distal to the stacker or the press device). That is, the loader arm is supported by a cantilever structure.

  Further, in order to support the product and the feed plate with the loader arm, the length of the loader arm needs to be approximately the same as the maximum product dimension in the length direction. When a product is supported by such a long loader arm, a bending moment is concentrated on the base end of the loader arm. Furthermore, as mentioned above, the loader arm needs to be raised and lowered. For this reason, the conventional loader is usually provided with a drive mechanism (cylinder mechanism, ball screw mechanism, rack-pinion mechanism, etc.) for driving the loader arm in the vertical direction on the base end side of the loader arm. For this reason, the above-mentioned bending moment is concentrated on the drive mechanism, particularly the meshing portion. For this reason, in the conventional configuration, especially when a product having a relatively large weight and / or a relatively long maximum product length is transported, it is necessary to increase the engagement area so as to sufficiently withstand this bending moment. there were. As a result, there is a problem that the drive mechanism for driving the loader arm in the vertical direction is enlarged, and the loader and the press apparatus system are enlarged.

  In order to solve the above problems, the present invention provides a compact press device capable of transporting / pressing a product having a relatively large weight or size without enlarging a drive mechanism and the like, and the press device and loader. An object of the present invention is to provide a press device system provided.

  In order to achieve the above object, a press apparatus according to the present invention comprises an upper press board, at least one intermediate press board, and a lower press board, and a press board driving means capable of moving at least one press board in a vertical direction. A first drive mode in which the press board driving means moves the intermediate press board and the lower press board in parallel while maintaining a relative positional relationship; and And switching means for switching between the second drive mode for moving the press panel.

  In the above configuration, the product is pressed by the following procedure. First, the product placed on the loader arm is transferred onto the lower press machine and the intermediate press machine. In this case, the loader on which the product is placed is sent into the press device, and then the lower press plate and the intermediate press plate are raised in the first drive mode. Then, the lower press board and the intermediate press board scoop up the product placed on the loader arm from below, and as a result, the product moves onto the press board. The product is then pressed. At this time, the press machines are driven in the second movement mode, and the press machines are brought close to each other and brought into contact with the upper surface of the product. At this time, the upper and lower surfaces of the product are sandwiched between the press panels. From this state, the product is pressurized by further driving the press platen.

  According to the above configuration, since the press device takes up and down movement necessary for transferring the product, it is not necessary to provide a raising mechanism on the loader arm. For this reason, it is possible to firmly fix the base end portion (fixed end) of the loader arm to which a large bending moment is applied to the loader body using a means that does not increase the size of the loader, such as rib insertion. Therefore, even if the product is heavy, the loader can hold the product sufficiently without increasing the size of the loader.

  Further, the above configuration is a configuration in which the product is transferred onto the press plate by the press plate rising in the vertical direction and scooping up the product from the loader. When the loader arm moves in the horizontal direction, Does not contact the member. For this reason, the loader arm and other members do not come into contact with each other during horizontal movement of the arm, and the position of the product on the loader arm is not shifted.

  Moreover, it is good also as a structure which can switch a 1st drive mode and a 2nd drive mode by a switching means as follows. First, the lower press plate is fixed on the table surface plate of the press device, and the lower press plate moves up and down integrally with the table surface plate by the press plate drive means that can drive the table surface plate in the vertical direction. Has been. The switching means includes an intermediate press board guide means for detachably supporting the intermediate press board from below, an engagement mechanism for connecting the intermediate press board guide means and the table surface plate, and a control means for controlling the engagement mechanism. Is done. The control means controls the engagement mechanism to switch to the first drive mode by connecting the intermediate press plate guide means and the table surface plate, and releases the engagement between the intermediate press plate guide means and the table surface plate. By doing so, the mode is switched to the second drive mode.

  In such a configuration, in the first drive mode, the intermediate press platen guide and the table surface plate are connected, so that the lower press platen and the intermediate press platen are driven together. In the second drive mode, only the lower press platen is driven and the intermediate press platen is not driven. When the lower press plate rises and comes into contact with the upper intermediate press plate through the product, the intermediate press plate is pushed up and lifted away from the intermediate press plate guide means. Further, when the intermediate press plate comes into contact with the upper intermediate press plate via the product, the upper intermediate press plate is similarly pushed up. This process is repeated until the uppermost intermediate press plate comes into contact with the upper press plate via the product, and all products are sandwiched between the press plates. By further pushing up the lower press board from this state, the product is pressed between the press boards. Thus, according to the said structure, the press disk drive means should just have a function only to drive only a lower press disk.

  The engagement mechanism has an engagement pin. In the first drive mode, the engagement pin engages both the intermediate press panel guide means and the table surface plate, and in the second drive mode, the engagement pin It is good also as a structure which has an engagement pin drive means to which an engagement pin moves horizontally so that only either one of an intermediate press board guide means and a table surface plate may be engaged. For example, the intermediate press panel guide means is formed with an insertion hole through which the engagement pin is inserted in the horizontal direction, and the engagement pin drive means is configured such that the engagement pin protrudes from the insertion hole in the first drive mode. And the engagement pin is driven so that the entire engagement pin is inserted into the insertion hole in the second drive mode (that is, the engagement pin is retracted into the insertion hole). .

  Here, you may comprise so that an engagement pin may be inserted, sliding in an insertion hole. In the first drive mode, the shear stress applied to the engagement pin drive means by the load of the intermediate press plate and the product placed thereon can be reduced, and the engagement pin drive means can be prevented from being damaged. That is, according to the above configuration, the engagement pin and the insertion hole are in close contact with each other with a wide contact area, and most of the shear stress applied to the engagement pin is received by the inner peripheral surface of the insertion port. As a result, the force resulting from the shear stress is hardly applied to the engagement pin driving means.

  As described above, according to the present invention, even if the product has a large weight and / or a large size, the product can be sufficiently held without increasing the size of the loader.

  Hereinafter, the configuration of a press apparatus system according to an embodiment of the present invention will be described with reference to the drawings. In the description, the expression “up, down, left, and right” indicating the direction in the figure is used. This expression is based on the direction of the page on which the quotation mark can be read correctly. 1 to 4 are top views showing the entire press apparatus system according to the present embodiment. The press apparatus system 1 includes a stacker 100 on which a product before processing is placed, a press apparatus 200 that presses the product, and a loader 300 that conveys the product from the stacker 100 to the press apparatus 200.

  The stacker 100 and the press device 200 are arranged side by side in the vertical direction in the figure. Further, the loader 300 is adjacent to the right side of the stacker 100 and the press device 200 in the drawing, and delivers products at that location. Therefore, the loader 300 can move between a first position adjacent to the stacker 100 (lower right in the drawing, FIG. 1) and a second position adjacent to the press device 200 (upper right in the drawing, FIG. 2). (Vertical direction in the figure).

  As shown in FIGS. 1 and 2, the loader 300 includes loader arms 310 and 320 extending in the left-right direction in the drawings, and when the loader 300 is in the first position (FIG. 1), It is possible to move 320 toward the stacker 100. When the loader arms 310 and 320 are moved (FIG. 3), both loader arms enter the stacker 100, and products placed in the stacker are transferred to the loader arms 310 and 320, or the loader arms 310 and 320 are moved. It is possible to transfer the product placed on the stacker 100.

  Further, when the loader 300 is in the second position (FIG. 2), it is possible to move the loader arms 310 and 320 toward the press device 200. When the loader arms 310 and 320 are moved (FIG. 4), both loader arms enter the press device 200, and the products placed on the loader arms 310 and 320 are transferred onto the hot platen of the press device 200. Alternatively, the product placed on the hot platen of the press apparatus 200 can be transferred to the loader arms 310 and 320.

  In a series of steps in this embodiment, the product is conveyed and pressed while being placed on a carrier plate that is a rectangular metal plate. A plurality of resin plate products P are placed on the stacker 100 in the vertical direction. Each product P is placed on a metal carrier plate M. As shown in FIG. 1, each of the carrier plates M is supported by the support arms 111 to 114 of the product switching rack 110 at the four corners. The support arms 111 and 112 extend from the upper side in the figure to support the carrier plate M, and the support arms 113 and 114 extend from the lower side in the figure to support the carrier plate M. The support arms 111 and 113 are arranged side by side in the vertical direction in the figure. Similarly, the support arms 112 and 114 are arranged side by side in the vertical direction in the figure.

  FIG. 5 is a side view of the stacker 100 (projected from left to right in FIG. 1). As shown in FIG. 5, each of the support arms 111 to 114 has a plurality of sets in the vertical direction, and one carrier plate M is placed on the set of support arms 111 to 114 arranged in the horizontal direction. It is supposed to be placed.

  The support arms 111 to 114 can be moved up and down in the vertical direction by the cylinder mechanism 130. The cylinder mechanism 130 may be driven by either hydraulic pressure or pneumatic pressure. Other drive mechanisms such as a rack-pinion mechanism and a ball screw mechanism can also be used.

  The carrier plate M on which the product P is placed is carried into the stacker 100 from the left side in FIG. In order to carry the product P into the stacker 100, a lifting conveyor 120 that conveys the carrier plate M in the left-right direction in FIG. 1 (hereinafter referred to as “conveying direction”) is used. The lifting conveyor 120 is movable in the vertical direction (direction perpendicular to the paper surface). The lifting conveyor 120 is driven so that the plate placed thereon can be conveyed from left to right in FIG. The driving of the lifting conveyor 120 is performed by a driving mechanism (not shown).

  As shown in FIGS. 1, 3, and 5, the size of the lifting conveyor 120 in the vertical direction in FIG. 1 (hereinafter referred to as “width direction”) is the distance between the support arms 111 and 113 in the width direction, and the support arms 112 and 114. It is formed narrower than the width direction interval. Therefore, when there is no carrier plate M on a portion (region 121) between the support arms 111 to 114 of the lifting conveyor 120, it can freely move up and down without interfering with the support arms 111 to 114.

  The procedure for placing the carrier plate M and the product P on the support arms 111 to 114 of the stacker 100 will be described below. 6A to 6D are cross-sectional views taken along line AA in FIG. As shown in the figure, each of the support arms 112 and 114 has claw portions 112h and 114h extending vertically upward. The support arms 111 and 113 also have claw portions 111h and 113h having the same shape (see FIG. 1).

  FIG. 6A shows a state before the carrier plate M is conveyed into the stacker 100. As shown in FIG. 6A, the upper surface 122 of the lifting conveyor 120 is at a position higher than the horizontal plane TS1 defined by the upper ends of the claw portions of the uppermost support arms 111 to 114.

  Next, the lifting conveyor 120 is driven so that the upper surface 122 of the lifting conveyor 120 moves forward (in the direction from left to right in FIG. 1), and the carrier plate M on which the product P is placed is supported by the support arms 111-11 of the lifting conveyor 120. It moves on the part between 114 (area | region 121: FIG. 1, FIG. 3). FIG. 6B shows this state. In this state, the bottom surface of the carrier plate M is at a position higher than the horizontal plane TS1 defined by the upper ends of the claw portions of the uppermost support arms 111 to 114. Therefore, the carrier plate M and the product P are conveyed into the stacker 100 without interference between the carrier plate M and the claw portions 111h to 114h of the support arm.

  Next, the lifting conveyor 120 is lowered to the position shown in FIG. As a result, the carrier plate M is placed on the claw portion of the uppermost support arm.

  Next, the lifting conveyor 120 is driven so that the upper surface 122 of the lifting conveyor 120 moves forward (that is, moves from left to right in FIG. 1), and the carrier plate M on which the product P is placed is supported by the support arms 111 to 114 of the lifting conveyor 120. It moves on the part in between (area 121: FIG. 1). FIG. 6D shows this state. In this state, the bottom surface of the carrier plate M is at a position higher than the horizontal plane TS2 defined by the upper ends of the claw portions of the second support arms 111 to 114 from the top, and the upper end of the carrier plate is the uppermost support arm 111. It is in the position lower than level surface BS1 defined by the lower end of -114. Further, the width dimension of the product P is shorter than the width dimension of the gap between the support arms 111 and 113 and the width dimension of the gap between the support arms 112 and 114, and The height is lower than the horizontal plane TS1 defined by the upper ends of the claw portions of the uppermost support arms 111 to 114 (that is, the position of the bottom surface of the upper carrier plate M). Accordingly, the carrier plate M and the product P are conveyed into the stacker 100 without interference between the carrier plate M, the claw portions 111h to 114h of the support arm, and the upper carrier plate.

  Hereinafter, by carrying out the steps of FIG. 6C and FIG. 6D for all of the support arms 111 to 114 (see FIG. 2), each of the support arms 111 to 114 has a carrier plate. M and product P are placed.

  The procedure for taking out the carrier plate M and the product P arranged in the stacker 100 as described above by the loader 300 will be described below with reference to FIGS.

  As described above, the loader 300 includes the loader arms 310 and 320 extending in a direction parallel to the conveying direction of the carrier plate M by the lifting conveyor 120. Further, only one loader arm 310, 320 is shown in the figure, but actually, the loader arm 310, 320 has a height corresponding to each set of the support arms 111-114. One by one.

  As illustrated, the loader arms 310 and 320 are a kind of cantilever beams supported by arm guides 311 and 321 extending in the vertical direction. The loader 300 is driven so that the loader arms 310 and 320 enter the stacker 100 starting from the free ends 312 and 322 of the loader arms 310 and 320, so that the arm guides 311 and 321 do not interfere with the stacker 100. . Hereinafter, the optimum loader 300 position for transferring the product from the stacker is defined as the product take-out position (position of the loader 300 in FIG. 3).

  Hereinafter, a specific procedure for taking out the carrier plate M and the product P placed thereon from the stacker 100 using the loader 300 will be described. Each of FIGS. 7A to 7C is a cross-sectional view taken along line AA of FIG. Moreover, FIG.7 (d) is BB sectional drawing of FIG.

  FIG. 7A shows a state before the loader arms 310 and 320 are inserted into the stacker 100. At this time, the loader 300 is in the first position.

  Next, the loader 300 is moved to the product removal position. FIG. 7B shows a state in which the movement of the loader 300 to the product removal position is completed. As shown in FIG. 7 (b), the loader arms 310 and 320 respectively enter the gaps between the bottom surfaces of the carrier plate M in the width direction (left and right ends in the figure) and the support arms. It has become. In the present embodiment, both ends in the width direction of the carrier plate M are bent in a crank shape, and the height dimension of the gap portion between the bottom surface at both ends in the width direction of the carrier plate M and the support arm is increased. Positioning can be easily performed when 310 and 320 are fed between the carrier plate M and the support arm.

  Next, the support arms 111 to 114 are lowered. FIG. 7C shows a state where the lowering of the support arms 111 to 114 is completed. As shown in the figure, when the support arm is lowered, the carrier plate M is separated from the support arm and placed on the loader arms 310 and 320.

  Next, the loader 300 is moved to the first position. FIG. 7D shows a cross section in the width direction of the loader 300 when the movement of the loader 300 to the first position is completed. Since the carrier plate M is supported only by the loader arms 310 and 320 in the state of FIG. 7C, when the loader 300 is moved from the state of FIG. 7C, as shown in FIG. 7D. The carrier plate M and the product P are taken out from the stacker 100 while the carrier plate M (and the product P thereon) is placed on the loader arms 310 and 320.

  As described above, in the present embodiment, when the product P is taken out from the stacker 100, the support arm of the stacker 100 is driven in the vertical direction, and the loader arms 310 and 320 of the loader 300 are driven in the vertical direction. Not. The length of the support arm in the width direction may be such that the loader arms 310 and 320 can be inserted between the support arm and the bottom surface of the carrier plate M, that is, slightly longer than the width direction dimensions of the loader arms 310 and 320. Accordingly, when the carrier plate M is placed on the support arms 111 to 114, the bending moment applied to the fixed ends of the support arms 111 to 114, which are cantilever beams driven in the vertical direction, is relatively small. Even if P is heavy, the product can be sufficiently retained. On the other hand, the loader arms 310 and 320 to which a large bending moment is applied to their fixed ends (ends on the arm guides 311 and 321 side) do not need to be driven in the vertical direction. . Therefore, since the loader arms 310 and 320 are directly fixed to the arm guides 311 and 321, they can be firmly supported. Therefore, the loader arms 310 and 320 can sufficiently hold the product even if the product P is heavy.

  Next, the carrier plate M and the product P held by the loader 300 are placed on a hot platen (described later) of the press device 200. 1-4, in this embodiment, the stacker 100 and the press apparatus 200 are installed side by side in the width direction (the up-down direction in the figure). With the carrier plate M placed on the loader arms 310 and 320, the loader 300 is moved from the first position (FIG. 1) to the second position (FIG. 2). As a result, the loader 300 is adjacent to the right side of the press device 200 in the drawing. When the loader 300 is moved from the second position toward the press device 200 (from the right to the left in FIG. 2), the loader arms 310 and 320 and the carrier plate M and the product P placed thereon are placed. Enters the press device 200 (FIG. 4). The position of the loader 300 at this time is defined as a product arrangement position (position of the loader 300 in FIG. 4).

  In the present embodiment, when the lower press machine and the intermediate press machine of the press device 200 move upward, the press machine scoops up the carrier plate M, and the carrier plate M moves onto the hot platen as the press machine. ing. For this reason, in the present embodiment, the press apparatus 200 is provided with an intermediate hot platen guide mechanism 210 that connects the lower hot platen and the intermediate hot platen and simultaneously raises / lowers them.

  An outline of the intermediate hot platen guide mechanism 210 will be described. FIG. 8 is a front view of the press device 200. As shown in FIGS. 1 and 8, the intermediate hot platen guide mechanism 210 is a prismatic guide bar 211 provided in the vicinity of both ends in the width direction of the hot platen 220 and extending in two vertical directions (perpendicular to the paper surface). And a guide plate 212 for securing the rigidity of the intermediate hot plate guide mechanism 210 by connecting two guide bars 211 arranged in the transport direction. Further, in the middle of each guide bar 211, a hot plate receiving block 214 corresponding to each of the intermediate hot plates 223 is fixed. Hot plate guides 223a are formed at both ends of the intermediate hot plate in the width direction so as to protrude in the width direction, and the hot plate guide 223a is placed on the hot plate receiving block 214 so that the intermediate hot plate 223 becomes an intermediate hot plate. The guide mechanism 210 is supported from below.

  In addition, a rail 211a extending vertically in the vertical direction is formed on one side of the bar 211, which is the farthest side from the hot platen. A guide member 272 that engages with the rail 211a is fixed to the inner surface of the side frame 271 of the press device 200. When the rail 211a is guided by the guide member 272, the moving direction of the intermediate hot platen guide mechanism 210 is limited only in the vertical direction.

  The lower end of the bar 211 is engaged so that the intermediate hot platen guide mechanism 210 moves up and down with the vertical movement of the table surface plate 251 on which the lower hot platen 222 is fixed. A mechanism 213 is provided. The engagement mechanism 213 includes an engagement pin 213b, a cylinder drive mechanism 213a that moves the engagement pin 213b forward and backward in the conveyance direction, and an insertion hole 213c through which the engagement pin 213b is inserted and supported from the circumferential direction. .

  As shown in FIG. 8, when the engagement pin 213b is driven to advance, the engagement pin 213b protrudes from the insertion hole 213c and is formed to extend horizontally from the side surface of the table surface plate 251. Both engage so that the cylindrical surface of the engagement pin 213c contacts the surface 251a. In this state, the intermediate hot platen guide mechanism moves up and down as the table surface plate 251 moves up and down. In this state, when the hydraulic cylinder 260 is driven to raise the table surface plate 251 and the lower heat plate 222, the bar 211 rises as the table surface plate 251 rises, and the intermediate heat plate 223 supported by the bar 211. Also rise while keeping their distance from each other. Here, the insertion hole 213c is formed by fitting a low friction sliding bush made of a low friction material (for example, fluorine resin) into the engagement mechanism. Further, the inner diameter of the insertion hole is slightly larger than the outer diameter of the engagement pin 213b. When the table surface plate is driven with the engagement pin 213b in the slot 251a, a shearing stress corresponding to the load of the intermediate heating plate 223 is applied to the engagement pin 213b. In this embodiment, since the engagement pin 213b is subjected to shear stress in a state where the inner periphery of the insertion hole 213c and the engagement pin 213b are in close contact with each other, much of this shear stress is received at the inner periphery of the insertion hole 213c. The magnitude of the bending stress generated in the cylinder driving mechanism 213a by the shear stress can be minimized. For this reason, according to the present embodiment, it is possible to prevent a phenomenon in which the cylinder driving mechanism 213a is damaged due to the shear stress applied to the engagement pin 213b.

  When the engagement pin 213b is driven so as to be separated from the slot 251a and completely accommodated in the insertion hole 213c, the engagement state between the intermediate heating plate guide mechanism 210 and the table surface plate 251 is released. Even if the table surface plate 251 is raised in this state, the intermediate heating plate 223 does not move. When the lower heating plate 222 rises and comes into contact with the intermediate heating plate thereon (via the product P), the intermediate heating plate 223 is supported by the lower heating plate 222. When the table surface plate 251 is further raised from this state, the hot platen guide 223a is separated from the hot platen receiving block 214, and the lower hot platen 222 and the intermediate hot platen 223 are moved upward together. Here, when the lower heating plate 222 and the intermediate heating plate 223 come into contact with the intermediate heating plate on the upper stage (via the product P), the intermediate heating plate 223 is integrated with the lower heating plate 222 in the same manner. Move upward. This process is repeated to bring the uppermost intermediate heating plate 223 into contact with the upper heating plate 221 with all the intermediate heating plates 223 integrated with the lower heating plate 222. In this state, the product P is pressed by applying pressure to the product P through the lower surface plate 222. Note that the size and the mounting position of the heating plate guide 223a and the heating plate receiving block 214 in the conveying direction are configured so that the heating plate guide 223a of the intermediate heating plate 223 and the heating plate receiving block 214 thereabove do not interfere with each other. ing. More specifically, in FIG. 8, the end face on the right side of the heating plate guide 223 a on the left side in the drawing of the intermediate heating plate 223 at a certain stage is the heating plate receiving block 214 corresponding to the intermediate heating plate 223 on the upper stage. It is formed on the left side in the figure from the end face on the left side in the figure. Similarly, the end face on the left side in the drawing of the right side hot platen guide 223a in the drawing of the intermediate heating plate 223 in a certain stage is the end face on the right side in the drawing of the heating plate receiving block 214 corresponding to the intermediate heating plate 223 in the upper stage. It is formed on the right side in the figure.

  Hereinafter, a procedure for installing the carrier plate M and the product P held by the loader 300 in the press device 200 will be described in detail. 9A to 9C are cross-sectional views of the press device 200 taken along the line CC in FIG. In FIGS. 9A to 9C, only one carrier plate M and one product P are shown, but the loader 300 holds in the installation process of the present embodiment described below. The same installation process is simultaneously performed for all carrier plates M and products P.

  In the present embodiment, the carrier plate M placed on the loader arms 310 and 320 of the loader 300 raises the intermediate heat plate 223 and the lower heat plate 222 located below each loader arm, thereby raising the heat plate. Moved to.

  FIG. 9A shows a state in which the loader 300 is moved to the product placement position, and the loader arms 310 and 320, the carrier plate M, and the product P are carried into the press device 200. At this time, the bottom surface of the carrier plate M is disposed at a position higher than the top surfaces of the corresponding intermediate heat plate 223 and lower heat plate 222.

  Next, the engagement pin 213b is brought into contact with the engagement surface 251a of the table surface plate 251 using the cylinder drive mechanism 213a, and the table surface plate 251 and the intermediate heating plate guide mechanism 210 are engaged (FIG. 8). When the table surface plate 251 is raised from this state, the lower heat plate 222 and the intermediate heat plate 223 are simultaneously raised as described above. Then, the heating plate is brought into contact with the upper carrier plate M and further lifted. FIG. 9B shows this state. As a result, the carrier plate M is slightly lifted from the loader arms 310 and 320, and the carrier plate M and the product P are held only by the heating plates 222 and 223.

  Next, the loader 300 is moved from the product placement position to the second position. FIG. 9C shows a state when this movement is completed. As a result, the carrier plate M on which the product P is placed is placed on the intermediate heating plate 223 and the lower heating plate 223. From this state, the table surface plate 251 is lowered to the lowest limit, and then the engagement pin 213b is extracted from the slot 251a (FIG. 8) using the cylinder drive mechanism 213a and stored in the insertion hole 213c. In this state, even if the table surface plate 251 is moved upward, the intermediate heating plate 223 does not move. By driving the table surface plate 251 from this state, the product P can be pressed as described above.

  As described above, in this embodiment, when the product P is installed in the press apparatus 200, the lower heat plate 222 and the intermediate heat plate 223 are driven in the vertical direction, and the loader arms 310 and 320 of the loader 300 are driven. Is not driven vertically. Accordingly, the loader arms 310 and 320 to which a large bending moment is applied to the fixed ends (the end portions on the arm guides 311 and 321 side) do not require a driving mechanism in the portions, and are directly fixed to the arm guides 311 and 321. It is possible to support firmly. Therefore, the loader arms 310 and 320 can sufficiently hold the product even if the product P is heavy.

  After the carrier plate M and the product P are placed on the intermediate hot platen 220, the product P is vacuum-pressed. The procedure will be described below. FIG. 10 is a side view of the press device 200 after the carrier plate M and the product P are placed on the intermediate hot platen 220. FIG. 11 is a front view of the press device 200 as viewed from the right side in FIG.

  As described above, the lower heating platen 222 is placed on the table surface plate 251. An upper heating plate 221 fixed to the bottom surface of the crown surface plate 252 is disposed above the product P placed on the uppermost intermediate heating plate 223. The crown surface plate 252 is fixed to the lower end of a crown surface plate fixing frame 253 that extends downward from the ceiling of the device frame of the press device 200.

  The table surface plate 251 is driven in the vertical direction by a cylinder 260 that is hydraulically or pneumatically driven. Further, as described above, each of the intermediate heating plates 223 is configured to be integrated with the lower heating plate 222 via the product P by the raising of the lower heating plate 222 and to rise together with the lower heating plate. Accordingly, the table surface plate 251 is raised until the product P and the carrier plate M are sandwiched between the lower heat plate 222, the intermediate heat plate 223, and the upper heat plate 221, and the table surface plate 251 is further moved from this state. By raising, the product P is pressed between the hot plates.

  The temperature of the lower heating plate 222, the intermediate heating plate 223, and the upper heating plate 221 is adjusted by heating means (not shown) (for example, a heating medium that circulates in a pipe formed in the heating plate). The temperature of the hot platen is controlled according to the characteristics of the product P.

  The table surface plate 251, the crown surface plate 252, the intermediate heat plater 220, the upper heat platen 221, the intermediate heat platen guide mechanism 210, and the device frame that supports them are arranged in the vacuum chamber 280.

  The vacuum chamber 280 forms a space (shaded portion in FIG. 10) sealed by the walls surrounding the four sides and the upper and lower sides. As shown in FIG. 10, an opening 282 is provided on the wall surface (right side in FIG. 10) that forms one side surface of the vacuum chamber 280, and the product P is taken in and out through this opening 282. Further, a slide door 284 is provided on the wall surface where the opening 282 is formed, and when the product P is installed or taken out, the slide door 284 is slid downward to be mounted on the loader arms 310 and 320 and the loader arms 310 and 320. The placed product P is allowed to pass through the opening. Further, when the product P is pressed, the slide door 284 moves upward, blocks the opening 282, and the space in the vacuum chamber 280 is sealed.

  The press work of the product P by the press apparatus 200 having the above configuration is performed as follows. After placing the product P on the intermediate heating plate 220 according to the above-described procedure with the sliding door 284 slid downward, the sliding door 284 is raised, and the table plate 251, the crown platen 252, The intermediate heating plate 220, the intermediate heating plate guide mechanism 210, and the device frame that supports them are sealed from the outside. Next, the atmospheric pressure in the vacuum chamber is lowered by a vacuum pump (not shown).

  Next, the table surface plate 251 is raised and the product P is pressed. When the press working is completed, the pressure inside the chamber is returned to the atmospheric pressure by a booster valve (not shown), the table surface plate 251 is lowered, and the slide door 284 is lowered. When the table surface plate 251 is lowered, the hot platen guide 223a of the intermediate hot platen 223 is caught on the hot platen block 214 in order from the upper side during the lowering, and the adjacent intermediate hot platens 223 or the lowermost plate is placed. The intermediate heating plate 223 and the lower heating plate 222 are sequentially separated. In this state, the product P can be taken out from the press device 200.

  Next, the product P is taken out from the press device 200 using the loader 300. For the removal of the product P, the procedure reverse to the procedure for transporting the product P shown in FIG. 9, that is, the processes shown in FIGS. 9C, 9B, and 9A are executed in this order. Made by. The taken out product is conveyed to the stacker 100 by the loader 300. The transport of the product to the stacker 100 after the loader 300 has moved to the product takeout position is the reverse of the product P takeout procedure shown in FIG. 3, that is, FIG. 6 (d), FIG. 6 (c), FIG. 6 (b) and 6 (a) are executed in this order.

  The moving mechanism of the loader 300 will be described below with reference to the drawings. FIG. 11 is a side view of the loader 300 in the second position seen through in the width direction (the upward direction from the bottom in FIG. 2). The loader 300 is a first for moving in the transport direction between the first position (FIG. 1) or the second position (FIG. 2) and the product removal position (FIG. 3) or the product placement position (FIG. 4). A moving mechanism 340 and a second moving mechanism 330 for moving in the width direction between the first position and the second position are provided.

  The first moving mechanism 340 rotates a pair of ball screws 341 and 342 passed in the conveying direction and the horizontal direction, nuts 343 and 344 engaged with the ball screws 341 and 342, and the ball screws 341 and 342, respectively. And a first motor 345 to be driven. Arm guides 311 and 312 are suspended from the nuts 343 and 344, respectively. Therefore, when the ball screw 341 is rotationally driven by the first motor 345, the arm guides 311 and 312 and the loader arms 310 and 320 together with the nuts 343 and 344 move in the transport direction (left and right in the figure). The ball screws 341 and 342 are suspended from the ceiling plate 350 of the loader 300, and the motor 345 is fixed to the upper surface of the ceiling plate 350. The torque of the rotation shaft of the first motor 345 was passed to a drive pulley 346 attached to the rotation shaft of the motor 345 and driven pulleys 341a and 342a provided at the ends (right side in the figure) of the ball screws 341 and 342. This is transmitted to the ball screws 341 and 342 via the endless belt 347.

  As described above, in the present embodiment, the loader arms 310 and 320 are movable between the first position or the second position and the product removal position or the product placement position by the ball screw mechanism. In this embodiment, the first moving mechanism moves the loader arm by the ball screw mechanism, but instead of the ball screw mechanism, a cylinder mechanism (hydraulic or pneumatic drive), a rack-pinion mechanism, or the like is used. May be used.

  The loader arms 310 and 320 and the arm guides 311 and 312 are suspended from the ceiling plate 350 as described above, and the second moving mechanism described below causes the ceiling plate to move between the first position and the second position. It is supposed to move.

  The second moving mechanism 330 includes a pair of linear rails 331 and 332 passed horizontally and a rail engaging block 333 that can engage with the linear rails 331 and 332 and move on the rail in the width direction. 334. The rail engaging blocks 333 and 334 are both fixed on the ceiling plate 350, and the linear rails 331 and 332 are suspended from the ceiling 2. The ceiling plate 350, the loader arms 310 and 320, and the arm guides 311 and 321 are movable along the linear rails 331 and 332 (that is, between the first position and the second position).

  A rack 335 extending horizontally in the width direction is suspended from the ceiling 2. A second motor 336 is fixed on the ceiling plate 350. A pinion 337 that engages with the rack 335 is attached to the rotation shaft of the second motor 336. Therefore, the ceiling plate 350 and the loader arms 310 and 320 can be driven in the width direction along the linear rails 331 and 332 by driving the second motor 336.

  In the present embodiment, the second moving mechanism moves the loader arm by the rack-pinion mechanism, but instead of the rack-pinion mechanism, a cylinder mechanism (hydraulic or pneumatic driving), a ball screw mechanism, or the like May be used.

It is a top view which shows the whole press apparatus system by embodiment of this invention, Comprising: The state when a loader exists in a 1st position is shown. It is a top view which shows the whole press apparatus system by embodiment of this invention, Comprising: The state when a loader exists in a 2nd position is shown. It is a top view which shows the whole press apparatus system by embodiment of this invention, Comprising: The state when a loader exists in a product taking-out position is shown. It is a top view which shows the whole press apparatus system by embodiment of this invention, Comprising: The state when a loader exists in a product arrangement position is shown. It is a side view of a stacker by an embodiment of the invention. 6 shows a procedure for placing a carrier plate and a product on a support arm of a stacker according to an embodiment of the present invention. 6 shows a procedure for taking out a carrier plate and a product placed thereon from a stacker using a loader according to an embodiment of the present invention. It is a front view of the press apparatus by embodiment of this invention. 6 shows a procedure for installing a carrier plate and a product held by a loader in a press device according to an embodiment of the present invention. It is a front view of the press apparatus by embodiment of this invention. It is a side view of the loader by embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Press apparatus system 100 Stacker 111, 112, 113, 114 Support arm 130 Cylinder mechanism 200 Press apparatus 210 Intermediate | middle hot platen guide mechanism 211 Bar 213 Engagement mechanism 213a Drive cylinder 213b Engagement pin 213c Insertion hole 214 Hot plate receiving block 221 Upper part Heating plate 222 Lower heating plate 223 Intermediate heating plate 223a Heating plate guides 231, 232, 233, 234 Guide shaft 240 Loader arm support roller 251 Table surface plate 251a Engagement surface 300 Loader 310, 320 Loader arm 311, 321 Arm guide 330 2 moving mechanism 340 1st moving mechanism M carrier plate P product

Claims (11)

In a press apparatus in which an upper fixed press machine, at least one intermediate movable press machine, and a lower movable press machine are arranged at predetermined intervals in the vertical direction ,
A lock mechanism capable of locking or unlocking the relative movement of the intermediate movable press plate and the lower movable press plate in the vertical direction;
By moving the lower movable press board upward,
In a state where the relative movement is locked by the lock mechanism, all the movable press plates move integrally in the vertical direction while the interval between adjacent movable press plates is maintained at the predetermined interval. Can do
In a state where the lock by the lock mechanism is released, the intermediate movable press plate is lifted by the lower movable press plate, and the intermediate movable press plate is placed between the upper fixed press plate and the lower movable press plate. The second operation can be performed,
Press board driving means;
Characterized by comprising a pressing device. The lower movable press platen has a table surface plate that supports a hot platen ,
The locking mechanism is
Intermediate press board guide means for detachably supporting the intermediate movable press board from below;
Engaging mechanism capable of engaging the intermediate press plate guide means to move up and down with the vertical movement of the table surface plate
With
When the press board driving means moves the lower movable press board upward,
In the engaged state in which the intermediate press plate guide means and the table surface plate are engaged by the engagement mechanism , the first operation is performed,
The disengagement state where engagement between the by the engaging mechanism intermediate press platen guide means and said table surface plate is released, wherein said second operation is performed, according to claim 1 Press equipment. The intermediate press panel guide means includes:
A vertically extending bar,
A press board receiving block fixed in the middle of the bar and supporting the intermediate movable press board from below;
I have a,
When the press board driving means moves the lower movable press board upward,
In the engaged state, the press plate receiving block moves integrally with the lower movable press plate via the bar, so that the intermediate movable press plate supported by the press plate receiving block also has the lower movable press plate. Move together,
In the disengaged state, the intermediate movable press plate is lifted from the press plate receiving block by the lower movable press plate and is sandwiched between the upper fixed press plate and the lower movable press plate. to press apparatus according to claim 2. The engagement mechanism is
Engaging pin movable in a horizontal direction,
It said engaging pins, the intermediate press plate guide means to engage both of said table plate position, or the intermediate press platen guide means and only one of a position engaging the of the table plate, Engaging pin driving means for horizontally moving ;
And having a pressing apparatus according to claim 2 or claim 3. The engaging pin driving means, characterized in that it is fixed to the intermediate press platen guide means, the press apparatus according to claim 4. The intermediate press panel guide means has an insertion hole through which the engagement pin is inserted,
The engaging pin driving means, said engaging pin, the position where it comes into contact with the table plate and protrudes from the insertion hole, or the position where the whole of the engaging pin is inserted into said insertion hole, moving It is not characterized by Rukoto, pressing apparatus according to claim 4 or claim 5. The engaging pin is being inserted while sliding into the insertion hole, the press apparatus according to claim 6. The insertion hole is characterized by being formed by fitting a low friction sliding bush to said intermediate press platen guide means, the press apparatus according to claim 7. In a press device having a press board portion in which an upper fixed press board, at least one intermediate movable press board, and a lower movable press board are arranged in a vertical direction,
A press board driving means for moving the lower movable press board in a vertical direction;
The press board driving means integrally moves the intermediate movable press board and the lower movable press board upward in a first state in which the press machines adjacent to each other in the press machine part are positioned at a predetermined interval. A first drive mode, a second state in which the adjacent press plates are in contact with each other via a workpiece, and a second drive mode in which each movable press plate is moved between the first state. Switching means for switching between
With
After the workpiece has been fed into position by a predetermined flying height from each said movable press platen, the press platen drive means, thereby integrally moving the respective movable press platen upwardly in said first operating mode yo is, characterized in that it placed simultaneously each workpiece in the floating position the respective movable pressing surface plate press. After the workpiece is placed on the movable press platen, the switching means may be switched to the press platen driving means operates in the second driving mode, according to claim 9 Press equipment. The press device according to any one of claims 1 to 10,
A plurality of loader arm means for holding each of a plurality of workpieces pressed by the pressing device;
A loader arm driving means for feeding a work piece held by each loader arm means to a position floating by a predetermined amount from each movable press board by moving each loader arm means;
A loader with
It characterized by having a press system.

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