Hinge bending mechanism

Abstract

A hinge bending mechanism comprises a fixed seat, a guide plate, a movable seat, an upper bending die, a mounting seat, a lower bending die and a driving device. The mounting seat is mounted on the fixing seat, a bending lower die is mounted on the mounting seat, the bending lower die is provided with a first bending cambered surface, a placement table and a first limiting convex strip, the placement table is located below the rear side of the first limiting convex strip, and the bending cambered surface is located below the rear side of a first limiting convex block; the guide plate is installed on the fixed seat, the movable seat is installed on the guide plate in an inclined moving mode, a second limiting protruding strip is arranged at the bottom of the movable seat, and the second limiting protruding block can abut against the front side face of the first limiting protruding strip. According to the hinge bending mechanism provided by the utility model, the problem that a workpiece cannot be bent due to the fact that the bending lower die of the bending mechanism in the prior art is easy to displace in the bending and die closing process is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hinge bending technical field especially relates to a hinge bending mechanism. BACKGROUND

[0002] Hinge, also known as hinge, is a kind of mechanical component for connecting two or more fixed objects and allowing them to rotate within a certain range. The design of hinge allows the connected objects to rotate or translate flexibly while maintaining the connection, thereby realizing various opening and closing actions. People usually adopt bending mechanism to bend hinge and then perform edge rolling.

[0003] However, the bending lower die of the bending mechanism in the prior art is prone to displacement during the bending die closing process, resulting in the workpiece not being bent. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a hinge bending mechanism to solve the phenomenon that the bending lower die of the bending mechanism in the prior art is prone to displacement during the bending die closing process, resulting in the workpiece not being bent.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A hinge bending mechanism, comprising a fixed seat, a guide plate, a moving seat, a bending upper die, a mounting seat, a bending lower die and a driving device;

[0007] The mounting seat is installed on the fixed seat, the mounting seat is provided with the bending lower die, the bending lower die is provided with a first bending curved surface, a placing table and a first limiting convex strip, the placing table is located below the rear side of the first limiting convex strip, and the bending curved surface is located below the rear side of the first limiting convex strip;

[0008] The guide plate is installed on the fixed seat, the moving seat is obliquely movably installed on the guide plate, the bottom of the moving seat is provided with a second limiting convex strip, and the second limiting convex strip can abut against the front side of the first limiting convex strip;

[0009] The bending upper die is installed on the moving seat, a die closing groove is arranged between the bottom of the bending upper die and the second limiting convex strip, the bottom of the bending upper die is provided with a second bending curved surface, and the second bending curved surface can abut against the first bending curved surface;

[0010] The first limiting convex strip is matched with the die closing groove, the first limiting convex strip can abut against the inner top surface of the die closing groove, and the driving device is used to drive the moving seat to move.

[0011] Further, a front side of the first limiting convex strip is provided with a first inclined surface, and a rear side of the second limiting convex strip is provided with a second inclined surface, which can abut against the first inclined surface.

[0012] Specifically, the moving seat is provided with a mounting groove, which is located at the rear side of the mold closing groove and installs the bending upper die.

[0013] Preferably, the fixing seat comprises two fixing plates, which are oppositely arranged.

[0014] The fixing plate comprises a horizontal section, a connecting section, an inclined section and a limiting section.

[0015] One end of the connecting section is connected to the horizontal section, and the other end of the connecting section is connected to one end of the inclined section, and the other end of the inclined section is connected to the limiting section.

[0016] The left and right ends of the mounting seat are respectively installed on the top of the horizontal section of the two fixing plates, the left and right ends of the guide plate are respectively installed on the inclined section of the two fixing plates, the moving seat can abut against the bottom of the limiting section of the two fixing plates, and the driving device is installed on the top of the two fixing plates.

[0017] In some embodiments, the guide plate is provided with a guide rail, and the moving seat is slidingly installed on the guide rail.

[0018] Further, the mounting seat comprises a bottom plate, a pad plate, a locking plate and a locking screw.

[0019] The bottom plate is installed on the top surface of the horizontal end of the two fixing plates, the pad plate is installed on the top surface of the bottom plate, the front side of the pad plate abuts against the bending lower die, the locking plate is installed on the top surface of the bottom plate, one end of the locking screw is installed on the locking plate, and the other end of the locking screw passes through the pad plate and is installed on the bottom plate.

[0020] Specifically, the mounting seat further comprises a vertical plate and a supporting screw.

[0021] The vertical plate is installed on the rear side of the bottom plate, the supporting screw is installed on the vertical plate, the supporting screw can abut against the locking plate, the locking plate is provided with an adjusting groove, and the locking plate can move forward and backward along the length direction of the adjusting groove.

[0022] Compared with the prior art, one of the above technical solutions has the following beneficial effects:

[0023] Through the fixed seat, the guide plate, the moving seat, the second limiting convex strip, the bending upper die, the second bending camber, the mounting seat, the bending lower die, the first bending camber, the placement table and the first limiting convex strip, the driving device and the die closing recess, in the die closing process, the first limiting convex strip is opposite to the inner top surface of the die closing recess, the workpiece is prevented from being damaged, the second limiting convex strip is opposite to the front side surface of the first limiting convex strip, the phenomenon that the bending lower die is displaced forward is avoided, and the production quality of the hinge bending mechanism is improved. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the structural schematic diagram of the hinge bending mechanism of one embodiment of the utility model;

[0025] Figure 2 It is Figure 1 the enlarged view of A of

[0026] Figure 3 It is Figure 2 the enlarged view of B of

[0027] Figure 4 It is the structural schematic diagram of the mounting recess of one embodiment of the utility model;

[0028] Figure 5 It is the structural schematic diagram of the mounting seat and the fixed plate of one embodiment of the utility model;

[0029] Wherein: fixed seat 1, fixed plate 11, horizontal section 12, connecting section 13, inclined section 14, limiting section 15, guide plate 2, guide rail 21, moving seat 3, second limiting convex strip 31, second inclined surface 311, mounting recess 32, bending upper die 4, second bending camber 41, mounting seat 5, bottom plate 51, backing plate 52, locking plate 53, adjusting groove 531, locking screw 54, vertical plate 55, supporting screw 56, bending lower die 6, first bending camber 61, placement table 62, first limiting convex strip 63, first inclined surface 631, driving device 7, die closing recess 8. DETAILED DESCRIPTION

[0030] The embodiments of the utility model are described in detail below, the examples of the embodiments are shown in the drawings, wherein the same or similar signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, only for explaining the utility model, and cannot be understood as the limitation of the utility model.

[0031] In the description of the utility model, need understanding is, the term "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inner", "outer", "inboard", "outboard", "inner end", "outer end", "axial", "radial", "circumferential" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as a limitation on the utility model. In addition, the features defined as "first", "second" can explicitly or implicitly include one or more features, for distinguishing the described features, without order, without difference. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0032] In an embodiment of the utility model, such as Figures 1-5As shown, a hinge bending mechanism, comprising a fixed seat 1, a guide plate 2, a moving seat 3, a bending upper die 4, a mounting seat 5, a bending lower die 6 and a driving device 7; the mounting seat 5 is installed on the fixed seat 1, the mounting seat 5 is installed with the bending lower die 6, the bending lower die 6 is provided with a first bending curved surface 61, a placing table 62 and a first limiting convex strip 63, the placing table 62 is below the rear side of the first limiting convex strip 63, the bending curved surface 61 is below the rear side of the first limiting convex strip 63; the guide plate 2 is installed on the fixed seat 1, the moving seat 3 is installed on the guide plate 2 in an inclined manner, the bottom of the moving seat 3 is provided with a second limiting convex strip 31, the second limiting convex strip 31 can be abutted to the front side of the first limiting convex strip 63; the bending upper die 4 is installed on the moving seat 3, the bottom of the bending upper die 4 and the second limiting convex strip 31 are provided with a die closing groove 8, the bottom of the bending upper die 4 is provided with a second bending curved surface 41, the second bending curved surface 41 can be abutted to the first bending curved surface 61; the first limiting convex strip 63 is matched with the die closing groove 8, and the first limiting convex strip 63 can be abutted to the inner top surface of the die closing groove 8, the driving device 7 is used to drive the moving seat 3 to move. In this embodiment, the driving device 7 is a hydraulic oil cylinder, the driving device 7 is installed on the top of the fixed seat 1, the output end of the driving device 7 is connected to the bending upper die 4, when working, the workpiece is placed on the bending lower die 6, specifically, one end of the workpiece is placed on the placing table 62, so that the workpiece is placed in an inclined manner, after being placed, the driving device 7 drives the moving seat 3 to move downward along the length direction of the guide plate 2 in an inclined manner until the bending upper die 4 and the bending lower die 6 are closed, at this time, the workpiece placed in an inclined manner is bent under the action of the placing table 62, the first bending curved surface 61 and the second bending curved surface 41, the first limiting convex strip 63 enters into the die closing groove 8, and the top surface of the first limiting convex strip 63 is abutted to the moving seat 3, that is, the inner top surface of the die closing groove 8, the first limiting convex strip 63 plays a limiting role, preventing the workpiece from being damaged, and the second limiting convex strip 31 is abutted to the inclined surface of the front side of the first limiting convex strip 63, the second limiting convex strip 31 plays a blocking role, which can prevent the bending lower die 6 from moving forward during the pressing process; through the fixed seat 1, the guide plate 2, the moving seat 3, the second limiting convex strip 31, the bending upper die 4, the second bending curved surface 41, the mounting seat 5, the bending lower die 6, the first bending curved surface 61, the placing table 62 and the first limiting convex strip 63, the driving device 7 and the die closing groove 8, in the die closing process, the first limiting convex strip 63 is abutted to the inner top surface of the die closing groove 8, preventing the workpiece from being damaged, the second limiting convex strip 31 is abutted to the front side of the first limiting convex strip 63, avoiding the phenomenon that the bending lower die 6 moves forward, and the production quality of the hinge bending mechanism is improved.

[0033] AsFigures 1-2 and Figure 4 As shown, the front side of the first limiting protrusion 63 is provided with a first inclined surface 631, and the rear side of the second limiting protrusion 31 is provided with a second inclined surface 311. The second inclined surface 311 can abut against the first inclined surface 631. In this embodiment, when the second limiting protrusion 31 abuts against the first limiting protrusion 63, specifically, the second inclined surface 311 fits against the first inclined surface 631, thereby making the entire rear side of the second inclined protrusion 31 act as a block, with the force evenly distributed, ensuring the blocking and limiting effect.

[0034] like Figure 4 As shown, the movable base 3 is provided with a mounting groove 32, which is located on the rear side of the mold closing groove 8. The upper bending die 4 is mounted in the mounting groove 32. In this embodiment, the bottom of the movable base 3 is recessed from bottom to top to form the mounting groove 32, which is located on the rear side of the mold closing groove 8. The top of the upper bending die 4 is mounted in the mounting groove 32 and locked in place with two locking screws. The embedded structure not only reduces the space occupied but also improves the stability of the installation and prevents misalignment during mold closing.

[0035] like Figures 1-2 and Figure 5 As shown, the fixed base 1 includes two fixed plates 11 arranged opposite each other. Each fixed plate 11 includes a horizontal section 12, a connecting section 13, an inclined section 14, and a limiting section 15. One end of the connecting section 13 is connected to the horizontal section 12, and the other end of the connecting section 13 is connected to one end of the inclined section 14. The other end of the inclined section 14 is connected to the limiting section 15. The left and right ends of the mounting base 5 are respectively installed on the top of the horizontal section 12 of the two fixed plates 11. The left and right ends of the guide plate 2 are respectively installed on the inclined section 14 of the two fixed plates 11. The movable base 3 can abut against the bottom of the limiting section 15 of the two fixed plates 11. The driving device 7 is installed on the top of the two fixed plates 11. In this embodiment, the horizontal segment 12, the connecting segment 13, the inclined segment 14, and the limiting segment 15 are an integral structure. The fixed base 1 consists of two fixed plates 11. During installation, the bottom of the left and right ends of the mounting base 5 is installed on the top surface of the horizontal segment 12 of the two fixed plates 11, and the left and right ends of the guide plate 2 are installed on the rear side of the inclined segment 14 of the two fixed plates 11. The movable base 3 is installed on the guide plate 2. During the process of the driving device 7 driving the movable base 3 to tilt upward and reset, when the limiting ends 15 of the two fixed plates 1 abut against the movable base 3, it proves that the movable base 3 has been reset in place.

[0036] likeFigures 1-2 As shown in the figure, the guide plate 2 is provided with guide rails 21, and the moving seat 3 is slidingly installed on the guide rails 21. In the embodiment, the number of the guide rails 21 is two, and the moving seat 3 is slidingly installed on the two guide rails 21. The guide rails 21 play a guiding role and ensure the accuracy of the movement of the moving seat 3.

[0037] As shown in the figure, Figure 1 and Figure 5 The mounting seat 5 comprises a bottom plate 51, a cushion plate 52, a locking plate 53 and locking screws 54. The bottom plate 51 is installed on the top surface of the horizontal end 12 of the two fixed plates 11. The cushion plate 52 is installed on the top surface of the bottom plate 51. The front side of the cushion plate 52 abuts against the bending lower die 6. The locking plate 53 is installed on the top surface of the bottom plate 52. One end of the locking screw 54 is installed on the locking plate 53. The other end of the locking screw 54 penetrates through the cushion plate 52 and is installed on the bottom plate 51. In the embodiment, the number of the locking screws 54 is three. When the mounting seat 5 is installed, the bottom plate 51 is first installed on the top surface of the horizontal end 12 of the two fixed plates 11. Then, the cushion plate 52 is placed on the top surface of the bottom plate 51. The locking plate 53 is installed on the top surface of the cushion plate 52. Then, the three locking screws 54 are used to sequentially connect the bottom plate 51, the cushion plate 52 and the locking plate 53.

[0038] As shown in the figure, Figure 1 and Figure 5 The mounting seat 5 further comprises a vertical plate 55 and support screws 56. The vertical plate 55 is installed on the rear side of the bottom plate 51. The support screws 56 are installed on the vertical plate 55. The support screws 56 can abut against the locking plate 53. The locking plate 53 is provided with an adjusting groove 531. The locking plate 53 can move forward and backward along the length direction of the adjusting groove 531. In the embodiment, the number of the support screws 56 is two, and the number of the adjusting grooves 531 is three. The position of the locking plate 53 in the forward and backward direction can be adjusted through the support screws 56. Thus, the locking plate 53 can be pressed on the middle part of the top surface of the bottom plate 52, and the locking quality of the locking plate 53 is ensured.

[0039] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] Although the embodiments of the utility model have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and purposes of the utility model, and the scope of the utility model is defined by the claims and their equivalents.

Claims

1. A hinge bending mechanism characterized by: The utility model provides a bending device for sheet metal, including fixed seat, guide plate, mobile seat, bending upper die, mounting seat, bending lower die and drive arrangement. The mounting seat is installed on the fixed seat, the mounting seat is installed with the bending lower die, the bending lower die is equipped with first bending camber, placement platform and first limiting convex strip, the placement platform is located below the rear side of the first limiting convex strip, the bending camber is located below the rear side of the first limiting convex strip; The guide plate is installed on the fixed seat, the mobile seat is installed on the guide plate and can be inclined, the bottom of the mobile seat is equipped with a second limiting convex strip, and the second limiting convex strip can be abutted against the front side of the first limiting convex strip; The bending upper die is installed on the mobile seat, a die closing groove is arranged between the bottom of the bending upper die and the second limiting convex strip, the bottom of the bending upper die is equipped with a second bending camber, and the second bending camber can be abutted against the first bending camber; The first limiting convex strip is matched with the die closing groove, and the first limiting convex strip can be abutted against the inner top surface of the die closing groove, and the drive arrangement is used to drive the mobile seat to move.

2. The hinge bending mechanism according to claim 1, characterized in that: The front side of the first limiting convex strip is provided with a first inclined surface, the rear side of the second limiting convex strip is provided with a second inclined surface, and the second inclined surface can be abutted against the first inclined surface.

3. The hinge bending mechanism according to claim 1, wherein: The mobile seat is provided with a mounting groove, the mounting groove is located at the rear side of the die closing groove, and the mounting groove is installed with the bending upper die.

4. The hinge bending mechanism according to claim 1, wherein: The fixed seat comprises two fixed plates, and the two fixed plates are oppositely arranged; The fixed plate comprises a horizontal section, a connecting section, an inclined section and a limiting section; One end of the connecting section is connected to the horizontal section, the other end of the connecting section is connected to one end of the inclined section, and the other end of the inclined section is connected to the limiting section; The left and right ends of the mounting seat are respectively installed on the top of the horizontal section of the two fixed plates, the left and right ends of the guide plate are respectively installed on the inclined section of the two fixed plates, the mobile seat can be abutted against the bottom of the limiting section of the two fixed plates, and the drive arrangement is installed on the top of the two fixed plates.

5. The hinge bending mechanism according to claim 1, wherein: The guide plate is provided with a guide rail, and the mobile seat is slidingly installed on the guide rail.

6. The hinge bending mechanism according to claim 4, wherein: The mounting seat comprises a bottom plate, a pad plate, a locking plate and a locking screw; The bottom plate is installed on the top surface of the horizontal end of the two fixed plates, the pad plate is installed on the top surface of the bottom plate, the front side of the pad plate is abutted against the bending lower die, the locking plate is installed on the top surface of the bottom plate, one end of the locking screw is installed on the locking plate, the other end of the locking screw penetrates through the pad plate and is installed on the bottom plate.

7. The hinge bending mechanism according to claim 6, wherein: The mounting seat further comprises a vertical plate and a supporting screw; The vertical plate is installed on the rear side of the bottom plate, the supporting screw is installed on the vertical plate, the supporting screw can be abutted against the locking plate, the locking plate is provided with an adjusting groove, and the locking plate can move forward and backward along the length direction of the adjusting groove.

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