Bending mechanism and bending machine thereof
By designing the coordination of the fixed shaft, fixed plate, rotating shaft, and limiting components in the bending mechanism, the problem of cumbersome mold replacement in existing bending machines is solved, enabling rapid mold switching and improving operational convenience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2026-03-20
AI Technical Summary
Existing bending machines are cumbersome to operate when changing different upper and lower bending dies, and it is difficult to switch them directly without disassembly, which has limitations.
A bending mechanism was designed, which realizes the rotation switching of the upper and lower dies through the cooperation of a fixed shaft, a fixed plate, a rotating shaft and a limiting component. The limiting component is used to lock and fix the die, simplifying the die replacement process.
This allows for easy switching between molds of different bending shapes without disassembling the upper and lower molds, thus improving operational efficiency.
Smart Images

Figure CN224010895U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of bending machine, especially a bending mechanism and bending machine thereof. BACKGROUND
[0002] The bending machine is usually a commonly used bending equipment, and the bending machine has a wide range of applications.
[0003] The bending machine in the prior art usually comprises a bending table, a bending mechanism, a support frame and a driving mechanism, the driving mechanism is installed on the support frame, the bending mechanism comprises a bearing frame, a bending upper die and a bending lower die, the bending upper die is installed inside the bearing frame, the bending lower die is installed on the top of the bending table, the driving mechanism drives the bearing frame to move, and then the workpiece is placed between the bending upper die and the lower die for bending processing.
[0004] The bending upper and lower dies are usually set in a fixed bending mode, and when the bending shape is changed, the bending upper and lower dies need to be replaced respectively, and the new bending upper and lower dies are usually installed after the bending upper and lower dies are disassembled, but this way is complicated to operate, and the bending mechanism is not convenient to switch and use different bending upper and lower dies without disassembling the bending upper and lower dies, which has certain limitations. TECHNICAL SOLUTION
[0005] The utility model aims at providing a bending mechanism and bending machine to solve the problems in the background.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a bending mechanism comprising:
[0007] A bending table is provided with a through slot in the top, and a lower die is arranged inside the through slot.
[0008] A bearing frame is arranged above the bending table, and an upper die is arranged inside the bearing frame.
[0009] An auxiliary mechanism is arranged on the bending table, and is used for rotating and switching the matched upper die and lower die.
[0010] Preferably, the auxiliary mechanism comprises:
[0011] Two fixed shafts are rotatably arranged inside the through slot and the bearing frame respectively, and the upper die and the lower die are fixedly connected to the outside of the two fixed shafts.
[0012] A fixed plate is fixedly connected to the bottom of the bending table.
[0013] A plurality of rotating shafts are respectively fixedly connected to the end portions of the two fixed shafts and are respectively rotatably connected to the fixed plate and the bearing frame.
[0014] A plurality of limiting members are respectively arranged on the two side portions of the bearing frame and the side portion of the fixed plate.
[0015] Preferably, the limiting member comprises:
[0016] A connecting frame is arranged on the side portion of the fixed plate and the bearing frame, and the side portion of the fixed plate and the bearing frame is provided with a sliding groove.
[0017] A locking column is slidably and penetratingly connected with the inner cavity of the sliding groove.
[0018] A limiting groove is arranged on the side portion of the fixed shaft, and the locking column is slidably and penetratingly connected with the inner cavity of the limiting groove.
[0019] Preferably, the limiting member further comprises:
[0020] An auxiliary rod is arranged on the side portion of the locking column, and the outer wall of the auxiliary rod is slidably and penetratingly connected with the side portion of the connecting frame.
[0021] A spring is sleeved on the outer portion of the auxiliary rod.
[0022] An assembling plate is fixedly connected with the side portion of the auxiliary rod, one end of the spring is in abutment with the inner wall of the connecting frame, and the other end of the spring is in abutment with the assembling plate.
[0023] Preferably, the side portion of the assembling plate is threadedly and penetratingly connected with a locking bolt, and one end of the locking bolt is threadedly and penetratingly connected with the locking column.
[0024] Preferably, the top end and the bottom end of the connecting frame are fixedly connected with an assembling plate, the side portion of the assembling plate is threadedly and penetratingly connected with a positioning bolt, and one end of the positioning bolt is threadedly and penetratingly connected with the fixed plate.
[0025] Another purpose of the present application is to provide a bending machine, which comprises the bending mechanism.
[0026] The present application has the following technical effects and advantages:
[0027] The utility model discloses a fixed shaft, fixed plate, rotating shaft and limit piece's mutual cooperation is utilized, and two fixed axles are fixed and supported to upper mould and lower mould respectively, and rotating shaft makes two fixed axles rotate and set respectively between the bearing frame and fixed plate and rotate, and makes fixed axle drive upper mould or lower mould and rotates and switches, and limit piece locks fixed axle fixedly, to lock fixedly the upper and lower mould after switching, and then is favorable in the case where not to upper and lower mould dismounts, directly corresponding switching use of upper and lower mould, convenient operation. BRIEF DESCRIPTION OF DRAWINGS
[0028] Fig. 1 It is whole structure schematic diagram of the utility model.
[0029] Fig. 2 It is fixed axle place front structure schematic diagram of the utility model.
[0030] Fig. 3 It is fixed plate place front section view structure schematic diagram of the utility model.
[0031] In the drawing: 1, bending table;2, bearing frame;3, upper mould;4, lower mould;5, auxiliary mechanism;51, fixed axle;52, fixed plate;53, rotating shaft;54, connecting frame;55, assembly plate;56, auxiliary rod;57, spring;58, locking post. DETAILED DESCRIPTION
[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0033] The utility model provides a kind of bending mechanism as Figs. 1-3 As shown in formula, a bending mechanism includes bending table 1 top and is provided with through slot, it is favorable to make one of fixed axles 51 rotate inside it, the inside of through slot is provided with lower mould 4, lower mould 4 and upper mould 3 are arranged in annular array, and upper and lower correspond, and lower mould 4 and upper mould 3 are respectively arranged in different bending shape, and then can be switched and used;Bearing frame 2 is set on the top of bending table 1, and the inside of bearing frame 2 is provided with upper mould 3;Auxiliary mechanism 5 is set on bending table 1, and auxiliary mechanism 5 is used to rotate and switch the compatible upper mould 3 and lower mould 4.
[0034] Further, the auxiliary mechanism 5 comprises two fixed shafts 51, a fixed plate 52, a plurality of rotating shafts 53 and a plurality of limiting pieces. The fixed shafts 51 are beneficial to rotatably support the lower mold 4 and the upper mold 3, thereby facilitating the rotation switching of the lower mold 4 and the upper mold 3 without disassembling the lower mold 4 and the upper mold 3. The fixed plate 52 is beneficial to rotatably support one of the fixed shafts 51. The rotating shafts 53 are beneficial to make the fixed shafts 51 rotate around them, thereby facilitating the rotation switching of the fixed shafts 51. The two fixed shafts 51 are rotatably arranged in the through slot and the bearing frame 2, respectively. The upper mold 3 and the lower mold 4 are fixedly connected to the outer portions of the two fixed shafts 51, respectively. The fixed plate 52 is fixedly connected to the bottom of the bending table 1. The plurality of rotating shafts 53 are fixedly connected to the end portions of the two fixed shafts 51, respectively. The plurality of rotating shafts 53 are rotatably connected to the fixed plate 52 and the bearing frame 2, respectively. The plurality of limiting pieces are arranged on the two side portions of the bearing frame 2 and the side portion of the fixed plate 52, respectively.
[0035] Further, the limiting piece comprises a connecting frame 54, a locking column 55 and a limiting groove. The connecting frame 54 is beneficial to guide and support the sliding of the auxiliary rod 56. The locking column 55 is beneficial to limit and fix the fixed shaft 51 after being rotated to 90 degrees, thereby completing the switching and fixing of the lower mold 4 and the upper mold 3. The outer portion of the locking column 55 is fixedly connected with anti-skid particles, thereby avoiding the random sliding of the locking column 55. The limiting groove is beneficial to limit the relative position of the locking column 55 and the fixed shaft 51. The connecting frame 54 is located on the side portions of the fixed plate 52 and the bearing frame 2. The side portions of the fixed plate 52 and the bearing frame 2 are both provided with sliding grooves. The locking column 55 is slidably and penetratingly connected with the inner cavities of the sliding grooves. The limiting groove is provided on the side portion of the fixed shaft 51 and is slidably and penetratingly connected with the inner cavity of the limiting groove. The top end and the bottom end of the connecting frame 54 are both fixedly connected with assembly plates. The side portion of each assembly plate is threadedly and penetratingly connected with a positioning bolt. The positioning bolt and the assembly plate are beneficial to install and disassemble the connecting frame 54. One end of the positioning bolt is threadedly and penetratingly connected with the fixed plate 52.
[0036] Specifically, the limiting piece further comprises an auxiliary rod 56, a spring 57 and an assembling plate 58, the auxiliary rod 56 is beneficial to pull the locking column 55 to move, so as to facilitate the locking column 55 to be separated from the fixed shaft 51, the spring 57 is beneficial to push the locking column 55 to move, so as to facilitate the locking column 55 to return to the original position after moving, and facilitate repeated operation of the locking column 55, the assembling plate 58 is beneficial to connect the auxiliary rod 56 with the locking column 55, and then beneficial to install and disassemble the locking column 55, the end of the auxiliary rod 56 is located at the side of the locking column 55, the outer wall of the auxiliary rod 56 is in sliding insertion connection with the side of the connecting frame 54, the spring 57 is sleeved outside the auxiliary rod 56, the side of the assembling plate 58 is fixedly connected with the auxiliary rod 56, one end of the spring 57 is in abutment with the inner wall of the connecting frame 54, the other end of the spring 57 is in abutment with the assembling plate 58, the side of the assembling plate 58 is in threaded insertion connection with the locking bolt, and one end of the locking bolt is in threaded insertion connection with the locking column 55.
[0037] The bending machine comprises the bending mechanism.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of protection of the present application.
Claims
1. A bending mechanism, characterized in that, include: The bending table (1) has a through groove on the top, and a lower mold (4) is provided inside the through groove. The support frame (2) is located above the bending table (1), and the upper mold (3) is provided inside the support frame (2). An auxiliary mechanism (5) is provided on the bending table (1). The auxiliary mechanism (5) is used to rotate and switch the upper mold (3) and the lower mold (4) of the matching mold.
2. The bending mechanism according to claim 1, characterized in that, The auxiliary mechanism (5) includes: Two fixed shafts (51) are respectively rotatably disposed inside the through groove and the support frame (2), and the upper mold (3) and the lower mold (4) are respectively fixedly connected to the outside of the two fixed shafts (51); A fixing plate (52) is fixedly connected to the bottom of the bending table (1); Multiple rotating shafts (53) are fixedly connected to the ends of two fixed shafts (51), and the multiple rotating shafts (53) are rotatably connected to the fixed plate (52) and the support frame (2). Multiple limiting members are respectively disposed on both sides of the support frame (2) and the side of the fixing plate (52).
3. A bending mechanism according to claim 2, characterized in that, The limiting component includes: A connecting frame (54) is located on the side of the fixing plate (52) and the support frame (2). The sides of the fixing plate (52) and the support frame (2) are provided with sliding grooves. Locking pin (55), which is slidably inserted into the inner cavity of the slide groove; The limiting groove is located on the side of the fixed shaft (51), and the locking pin (55) is slidably inserted into the inner cavity of the limiting groove.
4. A bending mechanism according to claim 3, characterized in that, The limiting component also includes: An auxiliary rod (56) is located at the side of a locking post (55), and the outer wall of the auxiliary rod (56) is slidably inserted into the side of a connecting frame (54). A spring (57) is sleeved on the outside of the auxiliary rod (56); Assembly plate (58), the side of the assembly plate (58) is fixedly connected to the auxiliary rod (56), one end of the spring (57) is in contact with the inner wall of the connecting frame (54), and the other end of the spring (57) is in contact with the assembly plate (58).
5. A bending mechanism according to claim 4, characterized in that, The side of the assembly plate (58) is threadedly connected to a locking bolt, and one end of the locking bolt is threadedly connected to the locking post (55).
6. A bending mechanism according to claim 3, characterized in that, The top and bottom ends of the connecting frame (54) are fixedly connected to an assembly plate, and the side of the assembly plate is threaded with a positioning bolt. One end of the positioning bolt is threadedly connected to the fixing plate (52).
7. A bending machine, characterized in that, The bending machine includes the bending mechanism as described in any one of claims 1-6.