JP2020506055A - Air injection edge bending machine - Google Patents

Abstract

The present invention relates to an air injection edge bending machine. The air injection edge bending machine has a rotary pressing edge bending device for bending a work, and the rotary pressing edge bending device has a rotary pressing mechanism. The rotary pressure mechanism has a rotary pressure roller composed of an inclined surface and a horizontal surface. The inclined surface presses the work downward so that the work has a slope, and the horizontal plane presses the work having the slope flat. Depending on the magnitude of the external force applied to the rotary pressing mechanism, the rotary pressing roller moves in the axial direction, and switches the work surface directly opposite the work between the inclined surface and the horizontal surface. As described above, since the rotary pressure roller is movable in the axial direction, the work surface directly opposite to the work can be switched between the inclined surface and the horizontal surface. This makes it possible to form the slope of the workpiece and then press the slope flat. The method can bend a workpiece with a lower pressure than a conventional edge bending machine.

Description

   The present invention relates to the field of shock absorber processing, and more particularly to an air injection edge bending machine.

   Conventionally, air injection and edge bending of a shock absorber have been performed by different facilities. Productivity is poor because air is injected after the edge is bent. At the time of air injection, it is necessary to insert a spacer at the sealing ring of the shock absorber waiting to be processed, so that the sealing ring is likely to be damaged, and the sealing performance of the completed shock absorber is affected. In addition, the conventional edge bending machine requires a stronger pressure when edge bending a work.

   An object of the present invention is to solve at least one of the conventional technical problems. Therefore, the present invention needs to provide an air injection edge bending machine.

   The present invention provides an air injection edge bending machine. The edge bending machine has a rotary pressing edge bending device for bending a workpiece, the rotary pressing edge bending device has a rotary pressing mechanism, and the rotary pressing mechanism has a rotary pressing device including an inclined surface and a horizontal surface. Has a pressure roller. The inclined surface presses the work downward so that the work comes to have a slope, and the horizontal plane presses the work having the slope flat. Since the rotary pressure roller can move in the axial direction according to the magnitude of the external force applied to the rotary pressure mechanism, the work surface directly opposite to the workpiece is switched between the inclined surface and the horizontal surface.

   Preferably, the rotary pressing mechanism has a first bearing, a second bearing, and a compression spring. The rotary pressing roller has a rotary pressing unit and a rotary pressing shaft connected to the rotary pressing unit. The rotation pressing unit has a first end, a second end opposed to the first end, and a rotation pressing surface connecting the first end and the second end. The rotary pressing surface presses the work rotationally, and the rotary pressing surface includes a linear rotary pressing portion and an arc rotary pressing portion connected to the linear rotary pressing portion. The linear rotation pressing unit forms the horizontal plane, and the arc rotation pressing unit forms the inclined surface. The end of the rotary pressurizing shaft is connected to the second end, and the rotary pressurizing shaft is provided with the first bearing, the second bearing, and the compression spring, and the compression spring is connected to the first bearing. The rotary pressure roller is interposed between the second bearings, and moves in the axial direction of the rotary pressure shaft.

   Preferably, an adjustment washer is interposed between the first end and the first bearing.

   Preferably, a lock nut is fixed to a rear end of the rotary pressure shaft.

   Preferably, the rotary press edge bending device includes a seal roll mounting plate and a guide mechanism, wherein the guide mechanism and the rotary press mechanism are mounted in the seal roll mount plate, and the guide mechanism is configured such that the work is the work piece. The position of the work is adjusted so that the axis is the same as that of the rotary press edge bending device.

   Preferably, the first bearing, the second bearing, and the compression spring are located between a rear end of the rotary pressing shaft and the second end, and a rotary pressing shaft cover is provided on an outer side surface of the seal roll mounting plate. Is fixed, and the lock nut and the rear end of the rotary pressing shaft are exposed to the outside from the rotary pressing shaft cover.

   Preferably, the seal roll mounting plate has a columnar shape, and the number of the rotary pressing mechanism is three. The three rotary pressing mechanisms are uniformly arranged along the circumference of the seal roll mounting plate.

   Preferably, the rotary pressing shaft is disposed along a radial direction of the seal roll mounting plate, and a first end of the rotary pressing portion faces a center of the seal roll mounting plate.

   Preferably, the number of the guide mechanisms is three, and the three guide mechanisms are uniformly arranged along the circumference of the seal roll mounting plate, and the rotary press mechanism is alternately arranged with the guide mechanism. I do.

   Preferably, each of the guide mechanisms has a guide shaft, a guide roller and a guide bearing, the guide shaft is mounted in the seal roll mounting plate, the guide roller is mounted on the guide shaft, and the guide roller and the guide shaft are mounted. The guide bearing is interposed between them.

   As described above, in the air injection edge bending machine using the method of practicing the present invention, since the rotating pressure roller is movable in the axial direction, the work surface directly opposite the work can be switched between the inclined surface and the horizontal surface. This makes it possible to form the slope of the work and then press the slope flat. The method can bend a workpiece with a lower pressure than a conventional edge bending machine.

   Some of the supplements and advantages associated with the present invention will be set forth in the following description, and some will be apparent through the description, or may be learned by practice of the present invention.

The above description, supplementary explanation, and advantages of the present invention will become more apparent and easy to understand in the following description of the embodiment with reference to the accompanying drawings.
1 is a three-dimensional view of an air-injection edge bending machine that uses the method of the present invention. It is the 2nd three-dimensional drawing of the same air injection edge bending machine. It is the three-dimensional figure of the 3rd of the same air injection edge bending machine. It is a structure diagram of a work. It is an enlarged view of the V part of the same work. It is a structural diagram of the fixing device of the air injection edge bending machine. It is a three-dimensional view of the rotary press edge bending apparatus of the air injection edge bending machine. It is a figure of the preliminary edge bending state by the rotary press edge bending apparatus of the air injection edge bending machine. It is a figure of the main edge bending state by the rotary press edge bending apparatus of the air injection edge bending machine. It is an arrow view of the rotary press edge bending apparatus of the air injection edge bending machine. It is an enlarged view of the XI part of the rotary press edge bending apparatus. It is a structural diagram of an air injection device and a rotary sealing device of the air injection edge bending machine. It is a bird's-eye view of an air injection device and a rotary sealing device of the air injection edge bending machine. It is an arrow view of the XIV-XIV direction of the air injection device. It is a partial arrow view of the rotary sealing device of the air injection edge bending machine. FIG. 16 is an enlarged view of an XVI part in FIG. It is a three-dimensional drawing of the double screw pressure feeder of the same air injection edge bending machine. It is a bird's-eye view of the double screw pressure feeder of the air injection edge bending machine. It is a structural diagram of the double screw pressure feeder of the air injection edge bending machine. It is a three-dimensional view of the rotation unit of the air injection edge bending machine. It is an arrow view of the rotation unit of the air injection edge bending machine. It is another arrow view of the rotation unit of the air injection edge bending machine. It is a three-dimensional view of the rod extraction mechanism of the air injection edge bending machine. It is a structural diagram of the rod extraction mechanism of the air injection edge bending machine. It is a figure of a piston rod extraction state by the rod extraction mechanism of the air injection edge bending machine. FIG. 26 is an enlarged view of a XXVI part of FIG. 25. FIG. 27 is an enlarged view of a portion XXVII of FIG. 25. It is a figure of a piston rod pressing state of the air injection edge bending machine. It is a figure in the repulsion force measurement mechanism of the air injection edge bending machine in a non-contact state. It is a figure in the state where the repulsion force measuring mechanism of the air injection edge bending machine was in contact. FIG. 4 is a perspective view of a rotary press edge bending apparatus of an air injection edge bending machine using another embodiment of the present invention. FIG. 5 is a partial arrow view of a rotary press edge bending apparatus of an air injection edge bending machine using another embodiment of the present invention.

   The method for carrying out the present invention will be described in detail below. An example of the implementation method is shown in the accompanying drawings. The same or similar reference numerals appearing all the time represent the same or similar parts, or parts having the same or similar functions. It is to be understood that the following implementations described with reference to the accompanying drawings are by way of example only and should not be read as limiting the scope of the invention unnecessarily.

   In the description of the present invention, the terms "center", "vertical", "horizontal", "length", "width", "thickness", "top", "bottom", "front", "back" Or azimuth such as "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" or The term indicating a positional relationship refers to an azimuth or a positional relationship according to the attached drawings. These words are intended to explain the present invention more simply and easily, and do not indicate or imply the azimuth of the related devices or components or the structure or operation at a specific azimuth. Therefore, it is to be understood that they should not be read as unnecessarily limiting the scope of the invention. In addition, it should be understood that the terms "first" and "second" are for descriptive purposes only and should not be read as indicating or implying relative importance or quantity of features of the related art. Thus, a feature limited to "first" or "second" may refer to or have one or several of the above features. In the description of the present invention, the meaning of “some” is two or more than two unless specifically stated otherwise.

   In the description of the present invention, the terms “attach”, “connect”, and “connect” can be understood in a broad sense unless otherwise specified and limited. For example, a fixed connection or a detachable connection, or an integral connection; a mechanical connection, an electrical connection, or a connection capable of communicating with each other; a direct connection or a connection via an intermediate; Interaction relationship between two parts. Those skilled in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

   In the description of the present invention, the presence of a first feature “on” or “below” a second feature means that the first and second features are In addition to contacting, it also means that the first and second features are not in direct contact but are in contact with each other with different features. Moreover, the fact that the first feature is on the second feature "above", "above" and "above" means that the first feature is directly above and obliquely above the second feature, or It only means that the distance of the first feature to the horizontal is higher than the second feature. The fact that the first feature is on the second feature “below”, “below” and “below” means that the first feature is directly above and obliquely above the second feature, or It only means that the distance of the feature to the horizontal is lower than the second feature.

   The following disclosure sets forth a number of different implementations or examples for implementing different structures of the present invention. In order to simplify the disclosure of the present invention, a description will be given below using specific examples of parts and installations. Of course, it is for illustration only and is not intended to limit the invention. In each example relating to the present invention, numerals and alphabets can be repeatedly referred to. The repetition is to clarify the purpose and to simplify the work, and does not itself dictate the relationship between the various implementation methods and installations. In addition, while the present invention provides specific examples of various manufacturing techniques and materials, those of ordinary skill in the art will also appreciate the application and use of other manufacturing techniques.

   Please refer to Figs. The air-injection edge bending machine 10 using the method of the present invention has a rotary press edge bending device 12 for edge bending a workpiece 20. The rotary press edge bending device 12 has a rotary press mechanism 123, the rotary press mechanism 123 has a rotary press roller 123a consisting of an inclined surface and a horizontal surface, and the inclined surface is used to move the workpiece so that the workpiece 20 has a slope. Pressing downward, the horizontal plane presses flatly the work 20 having the slope. Depending on the magnitude of the external force applied to the rotary pressing mechanism 123, the rotary pressing roller 123a moves in the axial direction, and switches the work surface directly opposite the work 20 between the inclined surface and the horizontal plane.

   In the air injection edge bending machine 10 using the method of the present invention, since the rotary pressure roller 123a can move in the axial direction, the work surface directly opposite the work 20 is switched between the inclined surface and the horizontal surface. This makes it possible to form the slope of the work 20 and then press the slope flat. The method can bend the workpiece 20 with a lower pressure than a conventional edge bending machine.

   The rotary pressing mechanism 123 also has a first bearing 123b, a second bearing 123c, and a compression spring 123d, and the rotary pressing roller 123a is connected to the rotary pressing unit 123h and the rotary pressing unit 123h. Having. The rotation pressing portion 123h has a first end 123j, a second end 123k facing the first end 123j, and a rotation pressing surface 123l connecting the first end 123j and the second end 123k. The rotational pressing surface 123l rotationally presses the work 20. The rotary pressing surface 123l includes a linear rotary pressing portion 123m and an arc rotary pressing portion 123n connected to the linear rotary pressing portion 123m. The linear rotation pressing unit 123m forms a horizontal plane, and the arc rotation pressing unit 123n forms an inclined surface. The tip of the rotary pressure shaft 123i is connected to the second end 123k, and the rotary pressure shaft 123i is provided with a first bearing 123b, a second bearing 123c, and a compression spring 123d, and the compression spring 123d is connected to the first bearing 123b and the second bearing 123b. The rotary pressure roller 123a is disposed between the two bearings 123c, and can move in the axial direction of the rotary pressure shaft 123i.

   Based on the above, since the rotary pressing roller 123a can move in the axial direction of the rotary pressing shaft 123i, the rotary pressing point of the rotary pressing surface 123l and the work 20 can be changed, and the rotary pressing roller 123a can rotate linearly from the circular rotary pressing portion 123n. By changing to the end, the work 20 can be pre-bent and then main-bent to a horizontal plane. This allows the workpiece 20 to be bent at a pressure lower than that of the conventional edge bending machine.

   Please refer to Figures 1 to 5. The air-injection edge bending machine 10 using the method of the present invention first injects air into the work 20 and manufactures the shock absorber by bending the work 20. The work 20 has a cylindrical oil cylinder 21, a piston rod 22, a guide device 23, and an oil seal 24. The oil cylinder 21 has a bottom portion and a top portion facing the bottom portion, and the bottom portion is a sealed end. The piston rod 22 enters the oil cylinder 21 from the top of the oil cylinder 21 and partially exposes outside the oil cylinder 21. A guide device 23 is provided at the top of the oil cylinder 21. The guide device 23 is provided on the piston rod 22, and the guide device 23 is provided between the oil cylinder 21 and the piston rod 22. An oil seal 24 is provided at the top of the oil cylinder 21, and the oil seal 24 seals the top of the oil cylinder 21. The oil seal 24 is installed on the piston rod 22 and abuts on the guide device 23. After the workpiece 20 is edge-bent by the air injection edge bending machine 10, the top portion of the oil cylinder 21 is turned back to press the oil seal 24.

   The air injection edge bending machine 10 has a fixing device 11, a rotary press edge bending device 12, an air injection device 13, a rotary sealing device 14, and a double screw pressure feeder 15. The fixing device 11 fixes the work 20, and the air injection device 13 injects air into the work 20. The rotary press edge bending device 12 bends the work 20, and the rotary sealing device 14 ensures air injection into the work 20 and sealing performance during the bend processing. The double screw pressure feeder 15 controls the elevation of the rotary press edge bending device 12.

   Please refer to FIG. In the present embodiment, the fixing device 11 includes a base 111, a bracket 112, a positioning block 113, a link device 114, a pressing rod 115, an air cylinder 116, and a connecting rod 117. The base 111 mounts the work 20, and the base 111 has a bottom plate 111a and a column-shaped fixing portion 111b installed on the bottom plate 111a. The fixing portion 111b mounts the work 20. The bracket 112 is fixed to the bottom plate 111a, the positioning block 113 is fixed to the bracket 112, the positioning block 113 has a semi-annular shape, and the positioning block 113 is on the fixing portion 111b. The air cylinder 116 drives the connecting rod 117, the air cylinder 116 is fixed to the bracket 112, the air cylinder 116 is connected to the connecting rod 117, and the link device 114 is rotatably mounted on the bracket 112. The link device 114 has an L shape, the link device 114 has a first link 114a and a second link 114b connected to the first link 114a, one end of the first link 114a is connected to a connecting rod 117, The link 114b is connected to the pressing rod 115. The pressing bar 115 presses the work 20 against the positioning block 113. More specifically, the second link 114b forms a mounting groove 114c, the pressing rod 115 has a cylindrical contact portion 115a and a column portion 115b connected to the contact portion 115a, and the contact portion 115a is a column. The shaft is the same as the portion 115b, and the diameter of the contact portion 115a is larger than the diameter of the cylindrical portion 115b. The cylindrical portion 115b is provided through the mounting groove 114c, the fixing nut 11a is mounted on the cylindrical portion 115b, and the second link 114b is installed between the contact portion 115a and the fixing nut 11a. When the air injection edge bending machine 10 is operated, the bottom of the work 20 is attached to the fixed portion 111b, and the positioning portion is installed so as to cover the outer side surface of the work 20. The air cylinder 116 presses the second link 114b against the contact portion 115a by moving the connecting rod 117 forward, and the contact portion 115a presses the workpiece 20 against the positioning block 113. After the operation of the air injection edge bending machine 10 is completed, the air cylinder 116 causes the connecting rod 117 to move backward, and the pressing rod 115 releases the work 20.

   Please refer to Figs. In the present embodiment, the rotary pressing edge bending device 12 is a horizontal rotary pressing edge bending device. The rotary press edge bending device 12 includes a seal roll mounting plate 121, a guide mechanism 122, and a rotary press mechanism 123. The guide mechanism 122 and the rotary press mechanism 123 are mounted in the seal roll mounting plate 121, and the guide mechanism 122 adjusts the position of the work 20 so that the work 20 has the same axis as the rotary press edge bending apparatus 12. The rotation pressing mechanism 123 presses the work 20 by rotation to bend the work 20. The seal roll mounting plate 121 has a columnar shape, and a cylindrical processing cavity 121a is formed in the center of the seal roll mounting plate 121. The guide mechanism 122 is installed in the seal roll mounting plate 121, and the number of the guide mechanisms 122 is three. The three guide mechanisms 122 are uniformly arranged along the circumference of the seal roll mounting board 121, and each guide mechanism 122 has a guide shaft 122a, a guide roller 122b, and a guide bearing 122c. The guide shaft 122a is mounted in the seal roll mounting plate 121, the guide roller 122b is installed on the guide shaft 122a, and the guide bearing 122c is installed between the guide roller 122b and the guide shaft 122a.

   In the present embodiment, the number of the rotary pressing mechanisms 123 is three, and the three rotary pressing mechanisms 123 are uniformly arranged along the circumference of the seal roll mounting plate 121. One guide mechanism 122 is provided between the adjacent rotary press mechanisms 123. The rotation pressure mechanism 123 includes a rotation pressure roller 123a, a first bearing 123b, a second bearing 123c, a compression spring 123d, an adjustment washer 123e, a lock nut 123f, and a rotation pressure shaft cover 123g. The rotary pressing roller 123a has a rotary pressing unit 123h and a rotary pressing shaft 123i connected to the rotary pressing unit 123h. The rotary pressing part 123h basically has the shape of a truncated cone. The rotation pressing portion 123h has a first end 123j, a second end 123k facing the first end 123j, and a rotation pressing surface 123l connecting the first end 123j and the second end 123k. The rotary pressing surface 123l has a linear rotary pressing portion 123m and an arc rotary pressing portion 123n connected to the linear rotary pressing portion 123m. The tip of the rotary pressing shaft 123i is connected to the second end 123k, the rotary pressing shaft 123i is disposed along the radial direction of the seal roll mounting plate 121, and the first end 123j of the rotary pressing portion 123h is It faces the center of the mounting plate 121. A first bearing 123b, a second bearing 123c, and a compression spring 123d are provided on the rotating pressure shaft 123i. The compression spring 123d is disposed between the first bearing 123b and the second bearing 123c, and the adjustment washer 123e is disposed between the first end 123j and the first bearing 123b of the rotary pressing unit 123h. I have. The lock nut 123f is fixed to the rear end of the rotating pressure shaft 123i. The first bearing 123b, the second bearing 123c, and the compression spring 123d are located between the second end 123k of the rotary pressing portion 123h and the rear end of the rotary pressing shaft 123i, and are rotationally pressed against the outer side surface of the seal roll mounting plate 121. The shaft cover 123g is fixed, and the lock nut 123f and the rear end of the rotating pressure shaft 123i are exposed outside from the rotating pressure shaft cover 123g.

   The rotary press edge bending apparatus 12 has two work flows. Each is a preliminary edge bend and a main edge bend. At the time of preliminary edge bending, the edge bending portion of the work 20 is in the processing cavity 121a of the seal mounting plate, and the three guide rollers 122b arranged uniformly adjust the position of the work 20, and the seal mounting plate rotates at high speed. While pressing down. The arc-shaped rotary pressing portion 123n of the rotary pressing roller 123a rotationally presses the top portion of the oil cylinder 21 of the work 20 to the slope. During this edge bending, the seal roll mounting plate 121 is pressed down while rotating at high speed, and the pressure is increased, so that the rotating pressure shaft 123i moves the adjustment washer 123e and the first bearing 123b backward, and compresses the compression spring 123d. I do. At this time, the rotational pressing point changes from the circular rotary pressing section 123n to the linear rotary pressing section 123m. The linear rotation pressing portion 123m of the rotary pressing roller 123a bends the top portion of the work-like oil cylinder 21 so as to be parallel to the edge bending portion 211 of the linear rotation pressing portion 123m. The edge bent portion 211 presses the oil seal 24 of the oil cylinder 21 and seals a top portion of the oil cylinder 21.

   Please refer to Fig. 31 and Fig. 32. In another embodiment, the rotary press edge bending device 12 is a vertical rotary press edge bending device. The rotary press edge bending device 12 has a seal roll mounting plate 121, a guide mechanism and a rotary press mechanism 123. The guide mechanism and the rotary press mechanism 123 are mounted in the seal roll mounting plate 121, and the guide mechanism adjusts the position of the work 20 so that the work 20 has the same axis as the rotary press edge bending device 12. The rotation pressing mechanism 123 presses the work 20 by rotation, and bends the work 20. The seal roll mounting plate 121 has a columnar shape, and a cylindrical processing cavity is formed in the center of the seal roll mounting plate 121. The number of the rotary pressing mechanisms 123 is three, and the three rotary pressing mechanisms 123 are alternately arranged along the axial direction of the seal roll mounting plate 121. Each rotary pressure mechanism 123 has a rotary pressure roller 123a, a first bearing 123b, a second bearing, a compression spring, an adjustment washer, a lock nut, and a rotary pressure shaft cover. The rotary pressing roller 123a has a rotary pressing unit 123h and a rotary pressing shaft 123i connected to the rotary pressing unit 123h. The rotary pressing part 123h basically has the shape of a truncated cone. A rotary pressing surface is formed on the outer peripheral surface of the rotary pressing portion 123h, and the rotary pressing surface 123l includes a linear rotary pressing portion 123m and an arc rotary pressing portion 123n connected to the linear rotary pressing portion 123m. The axial direction of the rotary pressure shaft 123i is parallel to the axial direction of the seal roll mounting plate 121. A first bearing 123b, a second bearing, and a compression spring are provided on the rotary pressure shaft 123i, and the compression spring is provided between the first bearing 123b and the second bearing. An adjustment washer is interposed between one end of the rotary pressurizing unit 123h and the first bearing 123b, and a lock nut is fixed above the rotary pressurizing shaft 123i, and the first bearing 123b, the second bearing, and the compression spring are fixed. Is located between one end of the rotary pressing unit 123h and the upper side of the rotary pressing shaft 123i, and the rotary pressing unit 123h passes through the bottom of the seal roll mounting plate 121 and is exposed to the outside.

   Please refer to Figs. In the present embodiment, the air injection device 13 includes a first chuck block 131, a second chuck block 132, a first clamp mechanism 133, and a second clamp mechanism 134. The first chuck block 131 and the second chuck block 132 surround and form a sealed cavity 13a, and the rotary press edge bending device 12 is housed in the sealed cavity 13a. The first clamp mechanism 133 has a first hydraulic clamp cylinder 133a, a first hydraulic cylinder bracket 133b, and a first chuck block pedestal 133c. The first hydraulic clamp cylinder 133a is attached to the first hydraulic cylinder bracket 133b, and is connected to the first hydraulic clamp cylinder 133a and the first chuck block 131 on the left and right sides of the first chuck block pedestal 133c, respectively. The first hydraulic clamp cylinder 133a moves the first chuck block 131 via the first chuck block pedestal 133c. The second clamp mechanism 134 has a second hydraulic clamp cylinder 134a, a second hydraulic cylinder bracket 134b, and a second chuck block pedestal 134c. The second hydraulic clamp cylinder 134a is attached to the second hydraulic cylinder bracket 134b, and the left and right sides of the second chuck block pedestal 134c are connected to the second chuck block 132 and the second hydraulic clamp cylinder 134a, respectively. The second hydraulic clamp cylinder 134a moves the second chuck block 132 via the second chuck block pedestal 134c. An air import 13b is provided on the second chuck block pedestal 134c, and the air import 13b penetrates through the sealed cavity 13a.

   More specifically, the first chuck block pedestal 133c basically has a rectangular shape. The left side of the first chuck block pedestal 133c is connected to the first hydraulic clamp cylinder 133a. The right side of the first chuck block pedestal 133c contacts the left side of the first chuck block 131. There are two first hooks 133d on the right side of the first chuck block pedestal 133c, and the two first hooks 133d are fixed to the upper surface and the lower surface of the first chuck block pedestal 133c, respectively. There are two first slots 131a on the left surface of the first chuck block 131, and each first hook 133d is hooked on one first slot 131a. The second chuck block pedestal 134c is basically in the shape of a rectangular parallelepiped. The left side of the second chuck block pedestal 134c contacts the right side surface of the second chuck block 132, and the right side of the second chuck block pedestal 134c is connected to the second hydraulic clamp cylinder 134a. There are two second hooks 134d on the left side of the second chuck block seat 134c, and the two second hooks 134d are fixed to the upper surface and the lower surface of the second chuck block seat 134c, respectively. There are two second slots 132a on the right surface of the second chuck block 132, and each second hook 134d hooks on one second slot 132a.

   In the present embodiment, the air import 13b is installed on the upper surface of the second chuck block pedestal 134c, the second chuck block pedestal 134c and the second chuck block 132 form an air inlet passage 13c, and the air inlet passage 13c is It penetrates through the air import 13b and the sealed cavity 13a. A first edge is formed on the right side of the first chuck block 131, a second edge is formed on the left side of the second chuck block 132, and the first edge and the second edge abut to form a sealed cavity 13a. There is a sealing layer at the first edge and the second edge to ensure the sealing performance when the first chuck block 131 and the second chuck block 132 are surrounded. Both semicircular grooves are installed on the upper surface of the first chuck block 131 and the second chuck block 132, two first semicircular grooves are installed symmetrically, and two first semicircular grooves are surrounded. A first connection point 13d is formed, and the first connection point 13d is joined to the rotary sealing device 14. Both the lower surface of the first chuck block 131 and the lower surface of the second chuck block 132 have a second semicircular groove, two semicircular grooves are symmetrically installed, and the two semicircular grooves surround the second connection. A portion 13e is formed. The second connection point 13e is joined to the oil cylinder 21 of the workpiece 20, and the first connection point 13d and the second connection point 13e are both provided with a sealing ring 13f to ensure the sealing performance of the joined point.

   The work flow of the air injection device 13 is as follows. After the work 20 is set, the first hydraulic clamp cylinder 133a moves the first chuck block 131 via the first chuck block pedestal 133c. The second hydraulic clamp cylinder 134a moves the second chuck block 132 via the second chuck block pedestal 134c. The first chuck block 131 and the second chuck block 132 clamp the work 20, and the first chuck block 131 and the second chuck block 132 abut to form the sealed cavity 13a. The air enters from the air import 13b and is injected into the cavity of the work 20 through the air inlet passage 13c.

   Please refer to Fig. 15 and Fig. 16. In the present embodiment, in the present embodiment, the rotary sealing device 14 and the rotary press edge bending device 12 have the same axis. The rotary sealing device 14 has a fixing mechanism 141 and a rotating mechanism 142, and the rotating mechanism 142 rotates with respect to the fixing mechanism 141. The rotating mechanism 142 is connected to the rotary press edge bending device 12 and rotates the rotary press edge bending device 12.

   Specifically, the entire rotary sealing device 14 has a basically columnar shape. A part of the rotary sealing device 14 extends through the first connection point 13d and into the sealing cavity 13a of the air injection device 13. Another part of the rotary sealing device 14 is exposed to the outside. The rotary sealing device 14 includes an air injection rotary bush 141b, a rear cover 141a, an outer rotary sealing cover 141c, a rotary pressurizing main shaft 142a, a flange 142b, and a hydraulic pressurizing cylinder connecting rod 14a. The air injection rotary bush 141b has a basically cylindrical shape, the rear cover 141a and the outer rotary sealing cover 141c are fixed above and below the air injection rotary bush 141b, respectively, and the rotary pressurizing edge bending device 12 includes the outer rotary sealing cover 141c. And a flange 142b is interposed between the rotary press edge bending device 12 and the outer rotary sealing cover 141c, and the rotary press main shaft 142a is disposed through the air injection rotary bush 141b and is rotatable. The pressure main shaft 142a is fixedly connected to the flange 142b. The flange 142b is fixedly connected to the rotary press edge bending device 12, the hydraulic press cylinder connecting rod 14a is disposed through the air injection rotary bush 141b, and the hydraulic press cylinder connecting rod 14a and the air injection rotary bush 141b Do the same. A driven sealing ring pedestal 14b is installed between the air injection rotary bush 141b and the rotary pressurizing spindle 142a, a first rotary pressure sealing ring 14f is installed on the driven sealing ring pedestal 14b, and the air injection rotary bush 141b and the rotary pressurizing main spindle. The first rotary pressure bearing 14c is provided between 142a. The first rotary pressure bearing 14c is on the driven sealing ring seat 14b, and the second rotary pressure bearing 14e is provided between the rotary pressure main shaft 142a and the hydraulic pressure cylinder connecting rod 14a. There is a spacer 14d between the rotary pressurizing main shaft 142a and the hydraulic pressurizing cylinder connecting rod 14a, and between the rotary pressurizing main shaft 142a and the hydraulic pressurizing cylinder connecting rod 14a, a first inner sealing ring seat 142c and a second inner sealing ring seat 142d. Is sandwiched between them. The first inner sealing ring seat 142c is installed on the flange 142b, the second inner sealing ring seat 142d is installed on the first inner sealing ring seat 142c, the first inner sealing ring seat 142c, the second inner sealing ring seat 142d, and the hydraulic pressure. The second rotary pressure sealing ring 14g is interposed between the pressurized cylinder connecting rods 14a, and the second rotary bearing 14e is on the second inner sealing ring seat 142d. Among them, the fixing mechanism 141 has a rear cover 141a, an air injection rotating bush 141b, and an outer rotating sealing cover 141c, and the rotating mechanism 142 has a rotating pressure main shaft 142a, a flange 142b, a first inner sealing ring seat 142c, and a second inner sealing ring. It has a pedestal 142d.

   The work flow of the rotary sealing device 14 is as follows. When the air injection device 13 injects air into the work 20, the first hydraulic clamp cylinder 133a and the second hydraulic clamp cylinder 134a move the first chuck block 131 and the second chuck block 132 in relative directions, respectively, Let it be clamped. The rotary pressing main shaft 142a rotates the rotary pressing edge bending device 12 at high speed via the flange 142b and presses the rotary pressing edge bending device 12 downward. The rear cover 141a, the air injection rotary bush 141b, and the outer rotary sealing cover 141c are connected and do not rotate. The rotary pressing main shaft 142a, the flange 142b, the first inner sealing ring pedestal 142c, and the second inner sealing ring pedestal 142d rotate simultaneously, and the rotary pressing main shaft 142a rotates via the first rotary bearing 14c and the second rotary bearing 14e. Make sure you do.

   In the present embodiment, the air-injection edge bending machine 10 also has a mounting plate 10a and an elastic part 10b connecting the mounting plate 10a and the rear cover 141a. The elastic component 10b is installed in a direction parallel to the axial direction of the rotary press edge bending device 12, one end of the elastic component 10b is fixedly connected to the mounting plate 10a, and the other end of the elastic component 10b is connected to the rear cover 141a. Preferably, the elastic component 10b is a spring and the number is two. The two springs are respectively installed on the left and right sides in the axial direction of the rotary press edge bending device 12. The rotary sealing device 14 is fixed to the mounting plate 10a, the rotary pressing edge bending device 12 is fixed to the rotary sealing device 14, and the rotary sealing device 14 and the rotary pressing edge bending device 12 have the same axis. The rotary sealing device 14, the rotary press edge bending device 12, and the air injection device 13 are all installed axially symmetrically. The first axial stop block 10c is provided on the first chuck block pedestal 133c, and the second axial stop block 10d is provided on the second chuck block pedestal 134c. The first axial stop block 10c and the second axial stop block 10d limit the axial position of the rotary pressing edge bending device 12. The first axial stop block 10c and the second axial stop block 10d are basically in the shape of "Otsu", and the first axial stop block 10c has a first fixing portion 10e, a first joining portion 10f, and a first fixing portion. It has a first extending portion 10g connecting the portion 10e and the first joining portion 10f. The second axial stop block 10d has a second fixing portion 10h, a second joining portion 10i, and a second extending portion 10j connecting the second fixing portion 10h and the second joining portion 10i. The first axial stop block 10c and the second axial stop block 10d are installed axially symmetrically. The first fixing part 10e and the first chuck block pedestal 133c are fixedly connected, the second fixing part 10h and the second chuck block pedestal 134c are fixedly connected, and the first joint 10f and the second joint 10i lock the rear cover 141a. Then, the axial position of the rotary pressing edge bending device 12 is limited.

   When the air injection device 13 is operated, the first chuck block 131 and the second chuck block 132 form a sealed cavity 13a. Since the pressure of the air increases and the rotary press edge bending device 12 receives the pressure increase by the elastic component 10b, the first axial stop block 10c and the second axial stop block 10d lock the rear cover 141a, and press the rotary press. Limit the position of the edge bending device 12 in the axial direction. This realizes that the rotary pressure edge bending device 12 does not rise.

   Please refer to Figs. In the present embodiment, the double screw pressure feeder 15 includes a motor 151, a first power transmission mechanism 152, a second power transmission mechanism 153, a first screw 154, a second screw 155, a first screw nut 156, and a first screw nut base 157. , A second screw nut 158, a second screw nut pedestal 159, an elevating plate 15a, and a fixed plate 15b. The first power transmission mechanism 152 has a first driving pulley 152a, a first driven pulley 152b, and a first belt 152c connecting the first driving pulley 152a and the first driven pulley 152b. The first driven pulley 152b is connected to the first screw 154. The second power transmission mechanism 153 has a second driving pulley 153a, a second driven pulley 153b, and a second belt 153c connecting the second driving pulley 153a and the second driven pulley 153b. Second driven pulley 153b is connected to second screw 155. The motor 151 drives the first driving pulley 152a and the second driving pulley 153a. The first driving pulley 152a is on the second driving pulley 153a, and the first driving pulley 152a has the same axis as the second driving pulley 153a. The first screw 154 and the second screw 155 move the lifting plate 15a up and down. The first screw nut pedestal 157 and the second screw nut pedestal 159 are fixed to the elevating plate 15a. The first screw 154 and the first screw nut seat 157 are connected via a first screw nut 156, and the second screw 155 and the second screw nut seat 159 are connected via a second screw nut 158. A rotary sealing device 14 and a rotary press edge bending device 12 are attached to the bottom of the lifting plate 15a, and the rotary press edge bending device 12 is below the rotary seal device 14. The first screw 154 and the second screw 155 are respectively on both sides of the axis of the rotary press edge bending device 12, and the first screw 154 and the second screw 155 face in parallel. The first screw nut pedestal 157 is near the left side of the elevating plate 15a, and the second screw nut pedestal 159 is near the right side of the elevating plate 15a. The elevating plate 15a and the fixed plate 15b are installed in parallel, and the motor 151, the first power transmission mechanism 152, and the second power transmission mechanism 153 are mounted on the top surface of the fixed plate 15b. Both ends of the first screw 154 and the second screw 155 pass through the fixed plate 15b and the elevating plate 15a, respectively. Preferably, the first driving pulley 152a and the second driving pulley 153a have an integrated structure. By doing so, the pressure balance between the first screw 154 and the second screw 155 is maintained, and power transmission is stabilized.

   The work flow of the double screw pressure feeder 15 is as follows. The motor 151 rotates to move the first driving pulley 152a and the second driving pulley 153a. The first driving pulley 152a moves the first driven pulley 152b via the first belt 152c. The first driven pulley 152b moves the first screw 154, and the first screw 154 and the first screw nut 156 change the rotational movement into a linear movement. The second driving pulley 153a moves the second driven pulley 153b via the second belt 153c, the second driven pulley 153b moves the second screw 155, and the second screw 155 and the second screw nut 158 perform a linear motion by rotating. Change to As the left and right are moved up and down in synchronization, the elevating plate 15a moves up and down.

   Please refer to Figs. In the present embodiment, the air injection edge bending machine 10 also has a rotating unit 16. The rotation unit 16 has a drive mechanism 161, a rod 162, a universal joint 163, and a rod head 164. The drive mechanism 161 drives the rotation of the rod 162. The drive mechanism 161 has a motor 161a for rotating the rod, a drive gear 161b for rotating the rod, and a driven gear 161c for rotating the rod. A motor 161a for rotating the rod is connected to a drive gear 161b for rotating the rod. The driving gear 161b that rotates the rod meshes with the driven gear 161c that rotates the rod. The rod 162 has a first connection side 162a and a second connection side 162b that is back-to-back with the first connection side 162a. The first connection side 162a of the rod 162 is connected to a driven gear 161c that rotates the rod. A universal joint 163 is installed on the rod 162, the universal joint 163 is installed between the first connection side 162a and the second connection side 162b, and the universal joint 163 is installed near the second connection side 162b. The second connection side 162b of the rod 162 is fixedly connected to the rod head 164. The rotary bush 16a is provided on the first connection side 162a of the rod 162, and the rotary bearing 16b is provided between the rotary bush 16a and the rod 162. The drive mechanism 161 is attached to the connection plate 16c, and the drive gear 161b for rotating the rod and the driven gear 161c for rotating the rod are on the top surface of the connection plate 16c. The body of the motor 161a that rotates the rod is below the connection plate 16c. A motor adjustment plate 16d is provided at the bottom of the connection plate 16c. The main body of the motor 161a for rotating the rod is fixed to the motor adjusting plate 16d, and the drive shaft of the motor 161a for rotating the rod passes through the connecting plate 16c and is connected to the drive gear for rotating the rod. The rod 162 passes through the connection plate 16c and is connected to a driven gear 161c that rotates the rod. The universal joint 163 and the rod head 164 are below the connecting plate 16c, and the rod head 164 forms an inner thread and connects with the thread of the piston rod 22 of the workpiece 20.

   The motor 161a for rotating the rod rotates the rod 162 via the driving gear 161b for rotating the rod and the driven gear 161c for rotating the rod. Then, the rod head 164 is engaged with the thread of the work 20 via the universal joint 163. By doing so, the rod head 164 can be flexibly connected via the universal joint 163 in the two directions of the X and Y axes. Can connect with threads.

   Please refer to Figures 23 to 27. In the present method, the air injection edge bending machine 10 also has a rod extraction mechanism 17. The rod extraction mechanism 17 includes a rod extraction power device 171, a lifting frame 172, a movable plate 173, a screw 174, and a screw nut 175. The rotating unit 16 is mounted on the movable plate 173, the movable plate 173 is slidably mounted on the lifting frame 172, and the screw 174 and the movable plate 173 are connected via a screw nut 175. The rod extraction power unit 171 rotates the screw 174 to move the movable plate 173 up and down along the lifting frame 172. The rod extraction power unit 171 has a motor 171a, a drive wheel 171b, and a driven wheel 171c. The motor 171a is connected to the driving wheel 171b, the driving wheel 171b is connected to the driven wheel 171c, and the driven wheel 171c is connected to the screw 174. The rod extracting mechanism 17 is attached to the lifting plate 15a, and the lifting gantry 172 has two opposed side plates 172a. The two side plates 172a are fixed to the elevating plate 15a. A line rail 172b is provided on each side plate 172a, and a movable plate 173 is slidably mounted between the two line rails 172b. One end of the screw 174 is fixed to the top part of the lifting frame 172, and the other end of the screw 174 is connected to the driven wheel 171c.

   When the air injecting device 13 injects air into the work 20, first, the piston rod 22 of the work 20 is extracted so that a gap for introducing air is formed between the guide device 23 fixed to the piston rod 22 and the oil cylinder 21. There is a need. The procedure for extracting the piston rod 22 with the air injection edge bending machine 10 is as follows. First, the motor 171a rotates the screw 174 via the drive wheel 171b and the driven wheel 171c, changes the rotational motion to a linear motion via the screw nut 175, and moves the movable plate 173 downward, whereby the rod 162 moves downward. To exercise. Then, the rod rotating motor 161a rotates the rod 162 via the driving gear 161b for rotating the rod and the driven gear 161c for rotating the rod. The rod head 164 is engaged with the thread of the piston rod 22 of the work 20 via the universal joint 163. When the motor 171a rotates in the opposite direction, the movable plate 173 moves upward, and the piston rod 22 of the work 20 is extracted.

   See Figure 28. In the present method, the air injection edge bending machine 10 also has a push rod power unit 18. The pressing rod power unit 18 includes a hydraulic pressing cylinder 181, a pressing connecting rod 182, and a pressing rod 183. The hydraulic pressurizing cylinder 181 is attached to the lifting frame 172. After the piston rod 22 is extracted and air is injected, the hydraulic cylinder rod of the hydraulic pressure cylinder 181 is inserted and pressed downward. The hydraulic cylinder rod of the hydraulic pressure cylinder 181 is in contact with the pressing connecting rod 182. The pressing rod 183 contacts the oil seal 24 of the oil cylinder 21 of the work 20. The oil seal 24 comes into contact with the guide device 23 of the oil cylinder 21 and press-fits the guide device 23 into the oil cylinder 21.

   Please refer to Fig. 29 and Fig. 30. In the present embodiment, the air-injection edge bending machine 10 also has a repulsion force measuring mechanism 19. The repulsive force measuring mechanism 19 has a weighing sensor 191, a sensor head 192, and a sensor protrusion pin 193. The sensor protruding pin 193 is installed on the driven gear 161c that rotates the rod. The first connection side 162a of the rod 162 is recessed inward in the axial direction to form a conical groove 162c. The sensor protruding pin 193 is directly opposite the conical groove 162c, the sensor head 192 is directly above the sensor protruding pin 193, the weighing sensor 191 is electrically connected to the sensor head 192, and the weighing sensor 191 is the sensor head 192. Directly above.

   After the air is injected by the air injection edge bending machine 10 and the edge bending is completed, the rod 162 leaves the thread of the work 20. The piston rod 22 receives the rise in air pressure, and the piston rod 22 pushes the rod 162 to move the driven gear 161c for turning the rod and the sensor protrusion pin 193 upward, and presses the sensor head 192 to the weighing sensor 191. Reads the thrust of the piston rod 22.

   The work flow of the air injection edge bending machine 10 of the present invention is as follows. First, air is injected into the work 20, then the edge is bent, and finally, the thrust of the piston rod 22 is measured. The air injection device 13 and the rotary press edge bending device 12 work in the same station, and both the air injection and the edge bending are performed in the sealed cavity 13a, and the oil seal 24 is not damaged. The sealing performance of the shock absorber can be guaranteed.

   In this manual, reference terms such as “one method of implementation”, “partial method of implementation”, “exemplary method of implementation”, “example”, “specific example”, or “partial method” Examples ”means that the specific features, structures, materials, and features described based on the above-described implementation methods and examples are included in at least one implementation method or example of the present invention. In this manual, descriptions of the above terms do not necessarily imply the same implementation methods or examples. Moreover, the specific features, structures, materials, and characteristics described may be combined in any or many implementations or examples in any appropriate manner.

   The method of implementing the present invention has been described above. However, those skilled in the art can understand as follows. Variations, modifications, exchanges, and configuration changes can be made to these implementation methods without departing from the principles and spirit of the present invention. The scope of the invention is limited by the claims and their equivalents.

Claims (10)

   An air injection edge bending machine, wherein the air injection edge bending machine has a rotary pressing edge bending device for edge bending a work, the rotary pressing edge bending device has a rotary pressing mechanism, and The pressure mechanism has a rotating pressure roller composed of an inclined surface and a horizontal surface. The inclined surface presses the work downward so that the work comes out with a slope, and the horizontal plane presses the work with the slope flatly, and the rotation force is applied by the magnitude of the external force applied to the rotary pressing mechanism. The air-injection edge bending machine, wherein the pressure roller is movable in the axial direction, so that a work surface directly opposite the work is switched between the inclined surface and the horizontal surface.    The rotary pressing mechanism has a first bearing, a second bearing, and a compression spring. The rotary pressing roller has a rotary pressing unit and a rotary pressing shaft connected to the rotary pressing unit. The pressure portion has a first end, a second end opposed to the first end, and a rotation pressing surface connecting the first end and the second end, wherein the rotation pressing surface rotationally presses the work, and The pressing surface includes a linear rotation pressing unit and an arc rotation pressing unit connected to the linear rotation pressing unit. The linear rotation pressing unit forms the horizontal plane, and the arc rotation pressing unit defines the inclined surface. Forming, the tip of the rotary pressurizing shaft is connected to the second end, the rotary pressurizing shaft is provided with the first bearing, the second bearing and the compression spring, and the compression spring is the The rotary pressure roller is disposed between one bearing and the second bearing. Air injection hemming machine according to claim 1 which moves in the axial direction of the shaft, characterized in that.    The air-injection edge bending machine according to claim 2, wherein an adjustment washer is interposed between the first end and the first bearing.    The air injection edge bending machine according to claim 3, wherein a lock nut is fixed to a rear end of the rotary pressurizing shaft.    The rotary press edge bending apparatus has a seal roll mounting plate and a guide mechanism, the guide mechanism and the rotary press mechanism are mounted in the seal roll mount plate, and the guide mechanism is configured to rotate the work by the rotary press. The air-injection edge bending machine according to claim 4, wherein the position of the work is adjusted so that the axis of the workpiece is the same as that of the edge bending device.    The first bearing, the second bearing, and the compression spring are located between a rear end of the rotary pressing shaft and the second end, and a rotary pressing shaft cover is fixed to an outer side surface of the seal roll mounting plate. The air injection edge bending machine according to claim 5, wherein a rear end of the lock nut and the rotating pressure shaft is exposed outside the rotating pressure shaft cover.    The seal roll mounting plate has a columnar shape, and the number of the rotary pressing mechanism is three. 7. The air-injection edge bending machine according to claim 6, wherein the three rotary pressing mechanisms are uniformly arranged along a circumference of the seal roll mounting plate.    8. The rotary pressurizing shaft is disposed along a radial direction of the seal roll mounting plate, and a first end of the rotary pressurizing portion faces a center of the seal roll mounting plate. The air-injection edge bending machine according to 1.    The number of the guide mechanisms is three, the three guide mechanisms are uniformly arranged along the circumference of the seal roll mounting board, and the rotary press mechanism is alternately arranged with the guide mechanism, The air injection edge bending machine according to claim 8, wherein: Each of the guide mechanisms has a guide shaft, a guide roller and a guide bearing, the guide shaft is mounted in the seal roll mounting plate, the guide roller is mounted on the guide shaft, and between the guide roller and the guide shaft. The air-injection edge bending machine according to claim 9, wherein the guide bearing is sandwiched and installed.