Positioning device for bending machine
By designing a bending machine positioning device including a rotating shaft, a linear guide rail assembly and a screw, the problem of increased space occupation when positioning thin plates of different widths in the prior art is solved, and efficient positioning and precise fixing of thin plates of different sizes is achieved.
Patent Information
- Application Number
- CN202421216495.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-05-30
AI Technical Summary
When the existing bending machine positioning device locates thin plates of different widths, the length of the push seat must be similar to the width of the support seat, resulting in an increase in device space.
A positioning device including a first support plate, a rotating shaft, a second support plate, a first linear guide rail assembly, a third support plate, a first screw, a second linear guide rail assembly, a fourth support plate and a second screw are designed. The second support plate is driven to deflect through the rotating shaft, and the thin plate is pressed and positioned by using linear guide rail components and screws to achieve effective positioning of thin plates of different sizes.
This device can effectively reduce space occupation, is suitable for positioning thin plates of different sizes and specifications, and ensure positioning accuracy by pressing and fixing.
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Figure CN222569058U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of positioning devices, for example, to a positioning device for a bending machine. Background Art
[0002] At present, a bending machine is a machine that can bend thin plates. The related art (publication number: CN217798553U) discloses an auxiliary positioning device for the oblique bending mechanism of a bending machine, which includes a support seat and two positioning seats and a push seat located on the upper surface of the support seat. The two positioning seats are used to position the two sides of the thin plate, and the push seat is used to position the other side of the plate, so as to realize the positioning function of the thin plate.
[0003] In the process of implementing the above embodiments, it is found that there are at least the following problems in the related art:
[0004] In order to realize the positioning function of thin plates of different widths, the length of the push seat needs to be designed to be similar to the width of the support seat. Therefore, when the width of the thin plate to be positioned is large, the push seat will extend a long distance relative to the support seat, increasing the space occupied by the device.
[0005] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of the present application, and therefore may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content
[0006] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical components or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.
[0007] The disclosed embodiment provides a positioning device for a bending machine to reduce the space occupied by the device.
[0008] In some embodiments, a positioning device for a bending machine includes: a first support plate; a rotating shaft rotatably mounted on the first support plate, and located on both sides of the first support plate along the length direction of the first support plate; a second support plate, respectively connected to the rotating shafts on both sides, and the planes where the second support plates on both sides are located are parallel to the planes where the first support plates are located; a first linear guide rail assembly, respectively mounted on the second support plates on both sides; a third support plate, respectively mounted on the moving ends of the first linear guide rail assemblies on both sides; a first screw, respectively threadedly connected to the third support plates on both sides; a second linear guide rail assembly, mounted on the first support plate along the width direction of the first support plate, and located between the second support plates on both sides; a fourth support plate, mounted on the moving end of the second linear guide rail assembly; a second screw, rotatably mounted on the fourth support plate; wherein the second screw and the first screws on both sides are used to resist the plate.
[0009] Optionally, the first linear guide assembly includes: a first guide rail, respectively installed on the second support plates on both sides; a first slider, respectively slidably installed on the first guide rails on both sides, and the third support plates on both sides are respectively installed on the first sliders on both sides; a first guide rail clamp, respectively connected to the third support plates on both sides, and used to clamp or loosen the first guide rails on both sides.
[0010] Optionally, the first linear guide rail assembly further includes: first limit blocks, which are respectively installed on the second support plates on both sides and are respectively located at the ends of the first guide rails on both sides.
[0011] Optionally, the second linear guide rail assembly includes: a pad block installed on the first support plate; a second guide rail installed on the pad block along the width direction of the first support plate; a second slider slidably installed on the second guide rail, and the fourth support plate is installed on the second slider; a second guide rail clamp connected to the fourth support plate, for clamping or loosening the second guide rail.
[0012] Optionally, the second linear guide rail assembly further includes: a second limit block, mounted on the cushion block and located at an end of the second guide rail.
[0013] Optionally, it also includes: a first knob connected to the first screw rod for holding.
[0014] Optionally, it also includes: a second knob connected to the second screw rod for holding.
[0015] Optionally, it also includes: a connecting rod, one end of which is respectively connected to the rotating shafts on both sides; a third screw rod, which is rotatably connected to the other end of the connecting rods on both sides; a threaded barrel, one end of which is respectively threadedly connected to the third screw rods on both sides; a fourth screw rod, which is respectively threadedly connected to the other end of the threaded barrel on both sides, and both are rotatably installed on the first support plate.
[0016] Optionally, it further includes: a support rod, one end of which is connected to the first support plate; and a fifth support plate, which is connected to the other end of the support rod and is used to contact the ground or a desktop.
[0017] The positioning device for a bending machine provided in the embodiment of the present disclosure can achieve the following technical effects:
[0018] A positioning device for a bending machine provided by an embodiment of the present disclosure includes a first support plate, a rotating shaft, a second support plate, a first linear guide assembly, a third support plate, a first screw, a second linear guide assembly, a fourth support plate and a second screw. The rotating shaft is rotatably mounted on the first support plate, and is located on both sides of the first support plate along the length direction of the first support plate, and the rotating shafts on both sides can perform rotational motion relative to the first support plate. The second support plate is respectively connected to the rotating shafts on both sides, and driven by the rotating shafts on both sides, both can rotate relative to the first support plate. The first linear guide assemblies are respectively mounted on the second support plates on both sides, and are both used to play the role of guiding support. The third support plates are respectively mounted on the moving ends of the first linear guide assemblies on both sides, and are both used to support the thin plate to be bent. The first screw is respectively threadedly connected to the third support plates on both sides, and is both used to press and position the thin plate. The second linear guide assembly is mounted on the first support plate along the width direction of the first support plate, and is located between the second support plates on both sides, and is used to play the role of guiding support. The fourth support plate is mounted on the moving end of the second linear guide assembly, and is used to support the thin plate to be bent. The second screw rod is rotatably mounted on the fourth support plate and is used for pressing and positioning the thin plate.
[0019] During use, driven by the rotating shafts on both sides, the second support plates on both sides can be deflected relative to the first support plates. Then, through the first linear guide rail assemblies on both sides, the positions of the third support plates on both sides relative to the second support plates on both sides can be changed, so as to support and position the thin plate with two oblique edges. Finally, by tightening the first screws on both sides, the two oblique edge areas of the thin plate can be pressed and fixed. Through the second linear guide rail assembly, the position of the fourth support plate relative to the first support plate can be changed, so as to support and position the other side of the thin plate. Then, by tightening the second screw rod, the area where the other side of the thin plate is located can be pressed and fixed. Through the cooperation of the second linear guide rail assembly and the first linear guide rail assemblies on both sides, thin plates of different sizes can be pressed and positioned. In addition, the fourth support plate and the third support plates on both sides can always move within the plane where the first support plate is located, reducing space occupancy.
[0020] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] One or more embodiments are exemplarily described by corresponding drawings, which do not limit the embodiments. Elements with the same reference numerals in the drawings are shown as similar elements, and the drawings do not constitute a scale limitation, and wherein:
[0022] Figure 1 is a schematic cross-sectional structural diagram of a positioning device for a bending machine provided in an embodiment of the present disclosure;
[0023] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;
[0024] Figure 3 It is a schematic diagram of the main structure of a positioning device for a bending machine provided by an embodiment of the present disclosure;
[0025] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure at the middle BB;
[0026] Figure 5 It is a schematic diagram of the top view of the structure of a positioning device for a bending machine provided in an embodiment of the present disclosure.
[0027] Reference numerals:
[0028] 1: first support plate; 2: rotating shaft; 3: second support plate; 4: third support plate; 5: first screw rod; 6: fourth support plate; 7: second screw rod; 8: first guide rail; 9: first slider; 10: first guide rail clamp; 11: cushion block; 12: second guide rail; 13: second slider; 14: second guide rail clamp; 15: first knob; 16: second knob; 17: connecting rod; 18: third screw rod; 19: threaded barrel; 20: fourth screw rod; 21: support rod; 22: fifth support plate. DETAILED DESCRIPTION
[0029] In order to be able to understand the features and technical contents of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The attached drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.
[0030] The terms "first", "second", etc. in the specification and claims of the embodiments of the present disclosure and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the terms used in this way can be interchanged where appropriate, so that the embodiments of the embodiments of the present disclosure described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.
[0031] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to have a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.
[0032] In addition, the terms "disposed", "connected", and "fixed" should be understood in a broad sense. For example, "connected" 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, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present disclosure can be understood according to specific circumstances.
[0033] Unless otherwise stated, the term "plurality" means two or more.
[0034] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B indicates: A or B.
[0035] The term "and / or" is a description of the association relationship between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or, A and B.
[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
[0037] Combination Figures 1 to 5 As shown, the embodiment of the present disclosure provides a positioning device for a bending machine, including a first support plate 1, a rotating shaft 2, a second support plate 3, a first linear guide assembly, a third support plate 4, a first screw 5, a second linear guide assembly, a fourth support plate 6 and a second screw 7. The rotating shaft 2 is rotatably mounted on the first support plate 1, and is located on both sides of the first support plate 1 along the length direction of the first support plate 1. The second support plate 3 is respectively connected to the rotating shafts 2 on both sides, and the planes where the second support plates 3 on both sides are located are parallel to the plane where the first support plate 1 is located. The first linear guide assembly is respectively mounted on the second support plates 3 on both sides. The third support plate 4 is respectively mounted on the moving ends of the first linear guide assembly on both sides. The first screw 5 is respectively threadedly connected to the third support plates 4 on both sides. The second linear guide assembly is mounted on the first support plate 1 along the width direction of the first support plate 1, and is located between the second support plates 3 on both sides. The fourth support plate 6 is mounted on the moving end of the second linear guide assembly. The second screw 7 is rotatably mounted on the fourth support plate 6. Among them, the second screw 7 and the first screws 5 on both sides are used to abut against the plate.
[0038] A positioning device for a bending machine provided by an embodiment of the present disclosure includes a first support plate 1, a rotating shaft 2, a second support plate 3, a first linear guide assembly, a third support plate 4, a first screw 5, a second linear guide assembly, a fourth support plate 6 and a second screw 7. The rotating shaft 2 is rotatably mounted on the first support plate 1, and is located on both sides of the first support plate 1 along the length direction of the first support plate 1. The rotating shaft 2 on both sides can rotate relative to the first support plate 1. The second support plate 3 is respectively connected to the rotating shafts 2 on both sides, and can rotate relative to the first support plate 1 under the drive of the rotating shafts 2 on both sides. The first linear guide assemblies are respectively mounted on the second support plates 3 on both sides, and are used to play the role of guiding support. The third support plates 4 are respectively mounted on the moving ends of the first linear guide assemblies on both sides, and are used to support the thin plate to be bent. The first screw 5 is respectively threadedly connected to the third support plates 4 on both sides, and is used to press and position the thin plate. The second linear guide assembly is mounted on the first support plate 1 along the width direction of the first support plate 1, and is located between the second support plates 3 on both sides, and is used to play the role of guiding support. The fourth support plate 6 is mounted on the moving end of the second linear guide assembly, and is used to support the thin plate to be bent. The second screw rod 7 is rotatably mounted on the fourth support plate 6, and is used to press and position the thin plate.
[0039] During use, driven by the rotating shafts 2 on both sides, the second support plates 3 on both sides can be deflected relative to the first support plate 1. Then, through the first linear guide assemblies on both sides, the positions of the third support plates 4 on both sides relative to the second support plates 3 on both sides can be changed, so as to support and position the thin plate with two beveled edges. Finally, by tightening the first screws 5 on both sides, the two beveled edge areas of the thin plate can be pressed and fixed. Through the second linear guide assembly, the position of the fourth support plate 6 relative to the first support plate 1 can be changed, so as to support and position the other side of the thin plate. Then, by tightening the second screw 7, the area where the other side of the thin plate is located can be pressed and fixed. Through the cooperation of the second linear guide assembly and the first linear guide assemblies on both sides, thin plates of different sizes can be pressed and positioned. In addition, the fourth support plate 6 and the third support plates 4 on both sides can always move in the plane where the first support plate 1 is located, reducing space occupancy.
[0040] Optionally, combined Figure 1 and Figure 3 As shown, the first linear guide assembly includes a first guide rail 8, a first slider 9 and a first guide rail clamp 10. The first guide rail 8 is respectively mounted on the second support plates 3 on both sides. The first sliders 9 are slidably mounted on the first guide rails 8 on both sides, and the third support plates 4 on both sides are respectively mounted on the first sliders 9 on both sides. The first guide rail clamps 10 are respectively connected to the third support plates 4 on both sides, and are respectively used to clamp or loosen the first guide rails 8 on both sides.
[0041] In the disclosed embodiment, the first linear guide assembly includes a first guide rail 8, a first slider 9 and a first guide rail clamp 10. The first guide rail 8 and the first slider 9 act as guide supports so that the third support plate 4 can perform linear motion relative to the second support plate 3. The first guide rail clamp 10 is used to clamp or loosen the first guide rail 8 to determine the position of the third support plate 4 relative to the second support plate 3. During use, the position of the third support plate 4 relative to the second support plate 3 can be adjusted by loosening the first guide rail clamp 10. The relative position of the third support plate 4 and the second support plate 3 can be fixed by tightening the first guide rail clamp 10, thereby completing the position adjustment of the third support plate 4.
[0042] Optionally, combined Figure 1 , Figure 3 and Figure 5 As shown, the first linear guide rail assembly further includes a first limit block. The first limit blocks are respectively installed on the second support plates 3 on both sides and are respectively located at the ends of the first guide rails 8 on both sides.
[0043] In the disclosed embodiment, the first linear guide assembly further includes first limit blocks respectively mounted on the second support plates 3 on both sides and respectively located at the ends of the first guide rails 8 on both sides. The first limit blocks are used to limit the position to prevent the first slider 9 from falling off the first guide rail 8.
[0044] Optionally, combined Figures 1 to 3 As shown, the second linear guide assembly includes a pad 11, a second guide rail 12, a second slider 13 and a second guide rail clamp 14. The pad 11 is mounted on the first support plate 1. The second guide rail 12 is mounted on the pad 11 along the width direction of the first support plate 1. The second slider 13 is slidably mounted on the second guide rail 12, and the fourth support plate 6 is mounted on the second slider 13. The second guide rail clamp 14 is connected to the fourth support plate 6 and is used to clamp or release the second guide rail 12.
[0045] In the disclosed embodiment, the second linear guide assembly includes a pad 11, a second guide rail 12, a second slider 13 and a second guide rail clamp 14. The pad 11 is used to support and raise the height so as to adjust the position height of the second guide rail 12 and the second slider 13. The second guide rail 12 and the second slider 13 act as a guide support so that the fourth support plate 6 can make linear motion relative to the first support plate 1. The second guide rail clamp is used to clamp or loosen the second guide rail to determine the position of the fourth support plate 6 relative to the first support plate 1. During use, the position of the fourth support plate 6 relative to the first support plate 1 can be adjusted by loosening the second guide rail clamp 14. The relative position of the fourth support plate 6 and the first support plate 1 can be fixed by tightening the second guide rail clamp 14, thereby completing the position adjustment of the fourth support plate 6.
[0046] Optionally, combined Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the second linear guide rail assembly further includes a second limit block. The second limit block is installed on the cushion block 11 and is located at the end of the second guide rail 12.
[0047] In the disclosed embodiment, the second linear guide rail assembly further comprises a second stop block mounted on the cushion block 11 and located at the end of the second guide rail 12. The second stop block is used to limit the position to prevent the second slider 13 from falling off the second guide rail 12.
[0048] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a first knob 15. The first knob 15 is connected to the first screw rod 5 for holding.
[0049] In the embodiment of the present disclosure, a first knob 15 connected to the first screw rod 5 is further included. The first knob 15 is used for holding so as to manually drive the first screw rod 5 to rotate.
[0050] Optionally, combined Figures 1 to 3 As shown, it also includes a second knob 16. The second knob 16 is connected to the second screw rod 7 for holding.
[0051] In the embodiment of the present disclosure, a second knob 16 connected to the second screw rod 7 is further included. The second knob 16 is used for holding so as to manually drive the second screw rod 7 to rotate.
[0052] Optionally, combined Figure 1 , Figure 3 and Figure 4 As shown, it also includes a connecting rod 17, a third screw rod 18, a threaded barrel 19 and a fourth screw rod 20. One end of the connecting rod 17 is respectively connected to the rotating shafts 2 on both sides. The third screw rod 18 is rotatably connected to the other end of the connecting rod 17 on both sides. One end of the threaded barrel 19 is respectively threadedly connected to the third screw rods 18 on both sides. The fourth screw rod 20 is respectively threadedly connected to the other end of the threaded barrel 19 on both sides, and both can be rotatably installed on the first support plate 1.
[0053] In the disclosed embodiment, a connecting rod 17, a third screw 18, a threaded barrel 19 and a fourth screw 20 are also included. One end of the connecting rod 17 is respectively connected to the rotating shaft 2 on both sides, and is used to drive the rotating shaft 2 on both sides to rotate. The third screw 18 is rotatably connected to the other end of the connecting rod 17 on both sides, and can rotate relative to the connecting rod 17 on both sides. One end of the threaded barrel 19 is respectively threadedly connected to the third screw 18 on both sides, and the relative positions of the two can be changed through the interaction between the threads. The fourth screw 20 is respectively threadedly connected to the other end of the threaded barrel 19 on both sides, and the relative positions of the two can be changed through the interaction between the threads. The fourth screw 20 on both sides can be rotatably installed on the first support plate 1, and can rotate relative to the first support plate 1. During use, the threaded barrel 19 is rotated to extend the length of the third screw 18 and the fourth screw 20. Then the connecting rod 17 can drive the rotating shaft 2 to rotate, so that the second support plate 3 deflects relative to the first support plate 1. Finally, the deflection accuracy of the third support plate 4 is changed so as to be able to support and position the inclined edge of the thin plate.
[0054] Optionally, combined Figure 1 and Figure 3 As shown, it also includes a support rod 21 and a fifth support plate 22. One end of the support rod 21 is connected to the first support plate 1. The fifth support plate 22 is connected to the other end of the support rod 21 and is used to contact the ground or the desktop.
[0055] In the embodiment of the present disclosure, a support rod 21 and a fifth support plate 22 are also included. One end of the support rod 21 is connected to the first support plate 1, and the other end is connected to the fifth support plate 22, which is used to determine the relative position of the first support plate 1 and the fifth support plate 22. The fifth support plate 22 is used to contact the ground or the desktop, thereby supporting the entire device.
[0056] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present 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. Unless explicitly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present 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 the scope thereof. The scope of the present disclosure is limited only by the appended claims.
Claims
1. A positioning device for a bending machine, characterized in that: include: a first support plate; A rotating shaft is rotatably mounted on the first supporting plate and is located on both sides of the first supporting plate along the length direction of the first supporting plate; Second support plates are respectively connected to the rotating shafts on both sides, and the planes where the second support plates on both sides are located are parallel to the plane where the first support plate is located; A first linear guide assembly is respectively installed on the second support plates on both sides; A third support plate is mounted on the moving ends of the first linear guide rail assemblies on both sides respectively; A first screw rod, threadedly connected to the third support plates on both sides; A second linear guide assembly is installed on the first support plate along the width direction of the first support plate and is located between the second support plates on both sides; a fourth support plate mounted on the moving end of the second linear guide assembly; A second screw rod is rotatably mounted on the fourth support plate; Wherein, the second screw rod and the first screw rods on both sides are used to abut against the plate.
2. A positioning device for a bending machine according to claim 1, characterized in that: The first linear guide assembly comprises: A first guide rail, mounted on the second supporting plates on both sides respectively; A first slider is slidably mounted on the first guide rails at both sides, and the third support plates at both sides are mounted on the first sliders at both sides; The first guide rail clamps are respectively connected to the third support plates on both sides and are used to clamp or loosen the first guide rails on both sides.
3. A positioning device for a bending machine according to claim 2, characterized in that: The first linear guide assembly also includes: The first limiting blocks are respectively installed on the second supporting plates on both sides and are respectively located at the ends of the first guide rails on both sides.
4. A positioning device for a bending machine according to claim 1, characterized in that: The second linear guide assembly comprises: A cushion block, mounted on the first supporting plate; a second guide rail, mounted on the cushion block along a width direction of the first support plate; A second slider is slidably mounted on the second guide rail, and the fourth support plate is mounted on the second slider; The second guide rail clamp is connected to the fourth support plate and is used for clamping or loosening the second guide rail.
5. A positioning device for a bending machine according to claim 4, characterized in that: The second linear guide assembly also includes: The second limiting block is installed on the cushion block and is located at the end of the second guide rail.
6. A positioning device for a bending machine according to any one of claims 1 to 5, characterized in that: Also includes: The first knob is connected to the first screw rod and is used for holding.
7. A positioning device for a bending machine according to any one of claims 1 to 5, characterized in that: Also includes: The second knob is connected to the second screw rod and is used for holding.
8. A positioning device for a bending machine according to any one of claims 1 to 5, characterized in that: Also includes: A connecting rod, one end of which is respectively connected to the rotating shafts on both sides; A third screw rod is rotatably connected to the other end of the connecting rods on both sides; A threaded barrel, one end of which is threadedly connected to the third screw rods on both sides; The fourth screw rod is threadedly connected to the other end of the threaded barrel on both sides, and is rotatably installed on the first supporting plate.
9. A positioning device for a bending machine according to any one of claims 1 to 5, characterized in that: Also includes: A support rod, one end of which is connected to the first support plate; The fifth support plate is connected to the other end of the support rod and is used for contacting the ground or a desktop.
Citation Information
Patent Citations
Auxiliary positioning device for oblique line bending mechanism of bending machine
CN217798553U