Multi-station hydraulic punch

Abstract

The application relates to the technical field of punch presses, and discloses a multi-station hydraulic punch press which comprises a frame, a hydraulic cylinder, a lifting plate, a first guide rail, a first sliding block, a first bending plate, a punch head, a first motor, a first gear and a first rack. During use, the hydraulic cylinder is controlled to work, thereby driving the lifting plate to descend or ascend. The first guide rail and the plurality of first sliding blocks drive the plurality of first bending plates to descend or ascend. The plurality of punch heads are further driven to descend or ascend, so that a plurality of through holes can be punched at one time. The plurality of motors are controlled to work, and under the meshing action between the first rack and the plurality of first gears and the guiding and supporting action of the first guide rail and the plurality of first sliding blocks, the plurality of first bending plates can move along the width direction of the frame respectively, and finally the distance between two adjacent punch heads is changed. Therefore, a plurality of through holes with equal intervals can be punched at one time, a plurality of through holes with different intervals can also be punched at one time, and the application range is improved.

Description

Technical Field

[0001] This application relates to the field of punch press technology, and more particularly to a multi-station hydraulic punch press. Background Technology

[0002] A related technology (publication number: CN219564265U) discloses a workpiece fixing device for a multi-station punch press, including a main board. Support rods are fixedly connected to the four corners of the bottom of the main board. Support frames are welded to both sides of one end of the main board. An operating table is mounted on the crossbar of the support frame. Hydraulic cylinders are equidistantly mounted on the bottom of the operating table. Telescopic rods are mounted on the bottom of each hydraulic cylinder. Connecting plates are fixedly connected to the bottom of each telescopic rod. Punching heads are mounted on the bottom of each connecting plate.

[0003] In the process of implementing the technical solution disclosed herein, it was found that the above technical solution has at least the following problems:

[0004] This multi-station punch press workpiece fixing device, driven by multiple hydraulic cylinders, allows multiple punch heads to descend or rise synchronously, enabling the simultaneous punching of multiple round holes at equal intervals, thus improving punching efficiency. However, the spacing between the multiple punch heads cannot be adjusted, making it impossible to punch multiple through holes with different spacings at once. Therefore, its application range is limited, and there is room for improvement.

[0005] It should be noted that the information disclosed in the background section above is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to those skilled in the art. Utility Model Content

[0006] To provide a basic understanding of some aspects of the disclosed technical solutions, a brief summary is given below. This summary is not a general commentary, nor is it intended to identify key / important components or describe the scope of protection of these technical solutions, but rather serves as an introduction to the detailed explanations that follow.

[0007] This disclosure provides a multi-station hydraulic punch press capable of punching out multiple through holes with different spacings in one operation.

[0008] In some technical solutions, a multi-station hydraulic punch press includes: a frame; a hydraulic cylinder mounted on the top wall of the frame along its height; a lifting plate mounted on the moving end of the hydraulic cylinder and located inside the frame; a first guide rail mounted on the bottom surface of the lifting plate along its width; a first slider slidably mounted on the first guide rail and evenly distributed along its width; a first bending plate mounted on a plurality of the first sliders; a punch mounted on the bottom surface of a plurality of the first bending plates along its height; a first motor mounted on a plurality of the first bending plates; a first gear mounted on the rotating end of a plurality of the first motors; and a first rack mounted on the top surface of the lifting plate along its width and meshing with a plurality of the first gears.

[0009] Optionally, it further includes: a support plate, installed between opposite side walls of the girder, the support plate including strip holes formed thereon, the strip holes being distributed along the width direction of the girder; a second guide rail, installed on the top surface of the support plate along the width direction of the girder; a second slider, slidably installed on the second guide rail, evenly distributed along the width direction of the girder; a second bending plate, respectively installed on a plurality of second sliders, each of the plurality of second bending plates including through holes formed thereon, the diameter of the plurality of through holes being larger than the diameter of the plurality of punches; a second motor, respectively installed on a plurality of second bending plates; a second gear, respectively installed on the rotating end of a plurality of second motors; and a second rack, installed on the bottom surface of the support plate along the width direction of the girder and meshing with a plurality of second gears.

[0010] Optionally, it also includes: a first limiting piece, which is respectively installed at both ends of the second guide rail.

[0011] Optionally, it further includes: optical axes, which are slidably disposed along the height direction of the truss frame through the top wall of the truss frame and are evenly distributed around the hydraulic cylinder, with the bottom ends of the plurality of optical axes connected to the lifting plate.

[0012] Optionally, it also includes: linear bearings, each slidably mounted on one of the optical axes and all mounted on the top wall of the truss frame.

[0013] Optionally, it also includes: connecting plates, each mounted on the top of one of the optical axes.

[0014] Optionally, it also includes a base plate, which is mounted on the bottom wall of the frame.

[0015] Optionally, it also includes: a base, which is respectively installed at the four corners of the bottom surface of the base plate.

[0016] Optionally, it also includes a floating joint installed between the movable end of the hydraulic cylinder and the lifting plate.

[0017] Optionally, it also includes: a second limiting piece, which is respectively installed at both ends of the first guide rail.

[0018] The multi-station hydraulic punch press disclosed herein can achieve the following technical effects:

[0019] This disclosure provides a multi-station hydraulic punch press, comprising a frame, hydraulic cylinders, a lifting plate, a first guide rail, a first slider, a first bending plate, a punch, a first motor, a first gear, and a first rack. The hydraulic cylinder is mounted on the top wall of the frame along its height direction to provide driving force, enabling movement along the frame's height. The lifting plate is mounted on the moving end of the hydraulic cylinder and located inside the frame, moving along its height direction under the drive of the hydraulic cylinder. The first guide rail is mounted on the bottom surface of the lifting plate along the frame's width direction to support the slidable sliders. The first sliders are slidably mounted on the first guide rails and evenly distributed along the frame's width direction. The first guide rails and the multiple first sliders together provide guidance and support. The first bending plates are respectively mounted on the multiple first sliders and can move along the frame's width direction under the guidance and support of the first guide rails and the multiple first sliders. Punches are mounted on the bottom surfaces of multiple first bending plates along the height of the frame, each designed to abut against the sheet metal to be punched. First motors are mounted on the multiple first bending plates, providing driving force to achieve rotary motion. First gears are mounted on the rotating ends of the multiple first motors, rotating under their drive. A first rack is mounted on the top surface of the lifting plate along the width of the frame and meshes with the multiple first gears, collectively converting the rotary motion into linear motion.

[0020] During operation, controlling the hydraulic cylinders lowers or raises the lifting plate. Through the first guide rail and multiple first sliders, multiple first bending plates rise or fall, which in turn lowers or rises multiple punches, allowing multiple through holes to be punched simultaneously. Controlling multiple motors, through the meshing of the first rack and multiple first gears, and guided by the first guide rail and multiple first sliders, allows the multiple first bending plates to move along the width of the frame, ultimately changing the distance between adjacent punches. Therefore, multiple through holes can be punched at equal intervals in a single operation, or multiple through holes with different intervals can be punched simultaneously, thus expanding the applicability.

[0021] The above general description and the description below are exemplary and illustrative only and are not intended to limit this application. Attached Figure Description

[0022] One or more embodiments are illustrated by way of example with reference to the accompanying drawings. These illustrations and drawings do not constitute a limitation on the embodiments. Elements having the same reference numerals in the drawings are shown as similar elements. The drawings are not to be scaled. And wherein:

[0023] Figure 1 This is a front view structural schematic diagram of a multi-station hydraulic punch press provided in an embodiment of this disclosure;

[0024] Figure 2 yes Figure 1 Enlarged structural diagram at point A;

[0025] Figure 3 yes Figure 1 Enlarged structural diagram at point B;

[0026] Figure 4 This is a cross-sectional structural schematic diagram of a multi-station hydraulic punch press provided in an embodiment of this disclosure;

[0027] Figure 5 yes Figure 4 Enlarged structural diagram at point C;

[0028] Figure 6 yes Figure 4 Enlarged structural diagram at point D;

[0029] Figure 7 This is a side view of a multi-station hydraulic punch press provided in an embodiment of this disclosure.

[0030] Figure label:

[0031] 1. U-shaped frame; 2. Hydraulic cylinder; 3. Lifting plate; 4. First guide rail; 5. First slider; 6. First bending plate; 7. Punch; 8. First motor; 9. First gear; 10. First rack; 11. Support plate; 12. Second guide rail; 13. Second slider; 14. Second bending plate; 15. Second motor; 16. Second gear; 17. Second rack; 18. First limiting plate; 19. Optical axis; 20. Linear bearing; 21. Connecting plate; 22. Base plate; 23. Base; 24. Floating joint; 25. Second limiting plate. Detailed Implementation

[0032] To provide a more detailed understanding of the features and technical content of the embodiments of this disclosure, the implementation of the embodiments of this disclosure will be described in detail below with reference to the accompanying drawings. The accompanying drawings are for illustrative purposes only and are not intended to limit the embodiments of this disclosure. In the following technical description, for ease of explanation, several details are used to provide a full understanding of the disclosed embodiments. However, one or more embodiments may still be implemented without these details. In other cases, well-known structures and devices may be simplified in their depiction to simplify the drawings.

[0033] The terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this disclosure are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate for the embodiments of this disclosure described herein. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion.

[0034] In this disclosure, the terms "upper," "lower," "inner," "middle," "outer," "front," and "rear," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for better describing the embodiments of this disclosure and their implementations, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to require them to be constructed and operated in a specific orientation. Furthermore, some of the aforementioned terms may be used to indicate other meanings besides orientation or positional relationship; for example, the term "upper" may in some cases indicate a dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this disclosure according to the specific circumstances.

[0035] Furthermore, the terms "set up," "connect," and "fix" should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this disclosure according to the specific circumstances.

[0036] Unless otherwise stated, the term "multiple" means two or more.

[0037] In this embodiment of the disclosure, the character " / " indicates that the objects before and after it are in an "or" relationship. For example, A / B means: A or B.

[0038] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0039] It should be noted that, unless otherwise specified, the embodiments and features described in the present disclosure can be combined with each other.

[0040] Combination Figures 1 to 7 As shown, this embodiment of the present disclosure provides a multi-station hydraulic punch press, including a frame 1, a hydraulic cylinder 2, a lifting plate 3, a first guide rail 4, a first slider 5, a first bending plate 6, a punch 7, a first motor 8, a first gear 9, and a first rack 10. The hydraulic cylinder 2 is mounted on the top wall of the frame 1 along its height direction, providing driving force to enable movement along the height direction of the frame 1. The lifting plate 3 is mounted on the moving end of the hydraulic cylinder 2 and located inside the frame 1, moving along the height direction of the frame 1 under the drive of the hydraulic cylinder 2. The first guide rail 4 is mounted on the bottom surface of the lifting plate 3 along the width direction of the frame 1, supporting the slidable sliders. The first sliders 5 are slidably mounted on the first guide rail 4, evenly distributed along the width direction of the frame 1, and together with the first guide rail 4, they provide guidance and support. The first bending plates 6 are respectively mounted on multiple first sliders 5, and under the guidance and support of the first guide rail 4 and the multiple first sliders 5, they can move along the width direction of the U-shaped frame 1. The punches 7 are respectively mounted on the bottom surfaces of the multiple first bending plates 6 along the height direction of the U-shaped frame 1, and are used to abut against the plate to be punched. The first motors 8 are respectively mounted on the multiple first bending plates 6, and are used to provide driving force to realize the rotational motion function. The first gears 9 are respectively mounted on the rotating ends of the multiple first motors 8, and rotate under the drive of the multiple first motors 8. The first rack 10 is mounted on the top surface of the lifting plate 3 along the width direction of the U-shaped frame 1, and meshes with the multiple first gears 9, together converting the rotational motion into linear motion.

[0041] This disclosure provides a multi-station hydraulic punch press. During operation, controlling the hydraulic cylinder 2 causes the lifting plate 3 to descend or rise. Through the first guide rail 4 and multiple first sliders 5, multiple first bending plates 6 can descend or rise. This, in turn, causes multiple punches 7 to descend or rise, enabling the punching of multiple through holes in a single operation. Controlling multiple motors, under the meshing action of the first rack 10 and multiple first gears 9, and with the guiding support of the first guide rail 4 and multiple first sliders 5, allows the multiple first bending plates 6 to move along the width direction of the frame 1, ultimately changing the distance between adjacent punches 7. Therefore, it can punch multiple through holes at equal intervals in a single operation, or punch multiple through holes with different intervals in a single operation, thus improving its applicability.

[0042] Optionally, combined Figure 1 , Figure 3 , Figure 4 , Figure 6 and Figure 7 As shown, the assembly also includes a support plate 11, a second guide rail 12, a second slider 13, a second bending plate 14, a second motor 15, a second gear 16, and a second rack 17. The support plate 11 is installed between the opposite side walls of the frame 1. The support plate 11 includes strip-shaped holes distributed along the width direction of the frame 1 for passing through the stamped circular waste material. The second guide rail 12 is installed on the top surface of the support plate 11 along the width direction of the frame 1 to support the slidable second slider 13. The second slider 13 is slidably installed on the second guide rail 12 and is evenly distributed along the width direction of the frame 1. The second guide rail 12 and the multiple second sliders 13 together provide guidance and support. The second bending plate 14 is installed on the multiple second sliders 13 and can move along the width direction of the frame 1 under the guidance and support of the second guide rail 12 and the multiple second sliders 13. Each of the multiple second bending plates 14 includes through holes, the diameter of which is larger than the diameter of the multiple punches 7. Each through hole is used for the passage of the multiple punches 7. Second motors 15 are mounted on the multiple second bending plates 14, providing driving force to achieve rotary motion. Second gears 16 are mounted on the rotating ends of the multiple second motors 15, rotating under their drive. Second racks 17 are mounted along the width direction of the frame 1 on the bottom surface of the support plate 11 and mesh with the multiple second gears 16, collectively converting the rotary motion into linear motion.

[0043] In this embodiment, multiple second motors 15 are controlled to operate. Under the meshing action of the second rack 17 and multiple second gears 16, and the guiding and supporting action of the second guide rail 12 and multiple second sliders 13, multiple second bending plates 14 can move along the width direction of the U-shaped frame 1, ultimately changing the position of multiple through holes. This allows the multiple through holes to be located directly below multiple punches 7, thereby enabling the punching of multiple round holes on the sheet metal.

[0044] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a first limiting piece 18. The first limiting piece 18 is respectively installed at both ends of the second guide rail 12.

[0045] In this embodiment, the first limiting pieces 18 at both ends are used to limit the movement of the multiple second sliders 13 from falling off the second guide rail 12.

[0046] Optionally, combined Figure 1 , Figure 4 , Figure 5 and Figure 7As shown, it also includes optical axes 19. The optical axes 19 are slidably installed along the height direction of the U-shaped frame 1 through the top wall of the U-shaped frame 1, and are evenly distributed around the hydraulic cylinder 2. The bottom ends of multiple optical axes 19 are connected to the lifting plate 3.

[0047] In this embodiment of the disclosure, multiple optical axes 19 are used to serve as guide supports to improve the stability of the lifting plate 3 during movement and reduce the radial force on the moving end of the hydraulic cylinder 2.

[0048] Optionally, combined Figure 1 , Figure 4 , Figure 5 and Figure 7 As shown, it also includes linear bearings 20. The linear bearings 20 are slidably mounted on multiple optical shafts 19, and are all installed on the top wall of the U-shaped frame 1.

[0049] In this embodiment of the disclosure, a plurality of linear bearings 20 are used to reduce the friction between the plurality of optical axes 19 and the top wall of the swivel frame 1, and to improve the accuracy of the plurality of optical axes 19 when sliding relative to the top wall of the swivel frame 1.

[0050] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, it also includes a connecting plate 21. The connecting plates 21 are respectively mounted on the top of the plurality of optical axes 19.

[0051] In this embodiment of the disclosure, the connecting plate 21 is used to enable the multiple optical axes 19 to move synchronously, thereby strengthening the relative positional relationship between the multiple optical axes 19.

[0052] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, it also includes a base plate 22. The base plate 22 is installed on the bottom wall of the U-shaped frame 1.

[0053] In this embodiment of the disclosure, the base plate 22 is used to support the truss frame 1 and improve the structural strength of the truss frame 1.

[0054] Optionally, combined Figure 1 , Figure 4 and Figure 7 As shown, it also includes a base 23. The base 23 is installed at the four corners of the bottom surface of the base plate 22.

[0055] In this embodiment, the bases 23 at the four corners are used to abut against the ground, thereby supporting the entire device.

[0056] Optionally, combined Figure 1 , Figure 4 and Figure 5As shown, it also includes a floating joint 24. The floating joint 24 is installed between the moving end of the hydraulic cylinder 2 and the lifting plate 3.

[0057] In this embodiment of the disclosure, the floating joint 24 is used to eliminate installation errors, so that the hydraulic cylinder 2 can work smoothly even if the coaxiality is reduced.

[0058] Optionally, combined Figure 1 and Figure 2 As shown, it also includes a second limiting piece 25. The second limiting pieces 25 are respectively installed at both ends of the first guide rail 4.

[0059] In this embodiment, the second limiting pieces 25 at both ends are used to limit the movement of the multiple first sliders 5 from falling off the first guide rail 4.

[0060] The foregoing description and accompanying drawings have fully illustrated embodiments of this disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the order of operation may vary. Parts and features of some embodiments may be included or substituted for parts and features of other embodiments. Embodiments of this disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from its scope. The scope of this disclosure is limited only by the appended claims.

Claims

1. A multi-station hydraulic punch press, characterized in that, include: U-shaped frame; A hydraulic cylinder is installed on the top wall of the sculpted frame along the height direction of the sculpted frame; The lifting plate is installed on the moving end of the hydraulic cylinder and is located inside the U-shaped frame; The first guide rail is installed on the bottom surface of the lifting plate along the width direction of the U-shaped frame; The first slider is slidably mounted on the first guide rail and is evenly distributed on the first guide rail along the width direction of the U-shaped frame. The first bending plate is respectively installed on multiple first sliders; Punches are installed on the bottom surfaces of multiple first bending plates along the height direction of the truss frame. The first motor is installed on multiple of the first bending plates; The first gear is installed on the rotating end of multiple first motors respectively; The first rack is installed on the top surface of the lifting plate along the width direction of the U-shaped frame and meshes with a plurality of the first gears.

2. A multi-station hydraulic punch press according to claim 1, characterized in that, Also includes: A support plate is installed between the opposite side walls of the truss frame. The support plate includes strip holes formed thereon, and the strip holes are distributed along the width direction of the truss frame. The second guide rail is installed on the top surface of the support plate along the width direction of the U-shaped frame; The second slider is slidably mounted on the second guide rail and is evenly distributed on the second guide rail along the width direction of the U-shaped frame; The second bending plate is respectively installed on a plurality of second sliders. Each of the plurality of second bending plates includes a through hole formed thereon. The diameter of the plurality of through holes is larger than the diameter of the plurality of punches. The second motor is installed on multiple second bending plates; The second gear is installed on the rotating end of multiple second motors respectively; The second rack is installed on the bottom surface of the support plate along the width direction of the U-shaped frame and meshes with a plurality of the second gears.

3. A multi-station hydraulic punch press according to claim 2, characterized in that, Also includes: The first limiting plates are respectively installed at both ends of the second guide rail.

4. A multi-station hydraulic punch press according to claim 1, characterized in that, Also includes: The optical axes are slidably inserted through the top wall of the truss frame along its height direction and are evenly distributed around the hydraulic cylinder. The bottom ends of the multiple optical axes are connected to the lifting plate.

5. A multi-station hydraulic punch press according to claim 4, characterized in that, Also includes: Linear bearings are slidably mounted on multiple optical axes and are all installed on the top wall of the truss frame.

6. A multi-station hydraulic punch press according to claim 4, characterized in that, Also includes: Connecting plates are respectively installed on the top of the multiple optical axes.

7. A multi-station hydraulic punch press according to claim 1, characterized in that, Also includes: The base plate is installed on the bottom wall of the truss frame.

8. A multi-station hydraulic punch press according to claim 7, characterized in that, Also includes: The base is installed at the four corners of the bottom surface of the base plate.

9. A multi-station hydraulic punch press according to any one of claims 1 to 8, characterized in that, Also includes: A floating joint is installed between the moving end of the hydraulic cylinder and the lifting plate.

10. A multi-station hydraulic punch press according to any one of claims 1 to 8, characterized in that, Also includes: The second limiting plates are respectively installed at both ends of the first guide rail.

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