High-precision large-angle folding machine

Abstract

The utility model discloses a high accuracy big angle of bending line machine, including frame, be provided with workstation on the frame, the bending mechanism includes the positioning rotary table, the bending top pressure spare, the bending guide seat, the first drive part and the second drive part, and the positioning rotary table rotatable installation is in the workstation, and the positioning rotary table is provided with the positioning perforation, the bending top pressure spare installs on the positioning rotary table, and is set apart with the positioning perforation, the bending guide seat can be along the height direction of frame close or far from the positioning perforation movement, and the bending guide seat is used for in close to the positioning perforation movement after the wear and tear of positioning perforation, and is set apart with the bending top pressure spare, the positioning mechanism, the positioning mechanism includes the positioning spare and positioning spare drive part, and the positioning spare is spaced apart distribution with the positioning rotary table on the workstation. The utility model is in when carrying out the bending action, can through the end of workpiece of positioning spare and rest against the location, and in the bending carries out with positioning spare drive part to drive the positioning spare far from the positioning rotary table to avoid the workpiece.

Description

Technical Field

[0001] This utility model relates to the field of folding machine technology, and in particular to a high-precision folding machine with large bending angle. Background Technology

[0002] When bending workpieces with high hardness, such as steel wire or steel pipe, a bending machine is needed to bend the workpiece to a specific angle. During the bending process, the workpiece is positioned and supported by an end plate of a positioning structure before bending.

[0003] In related technologies, during the bending process, a positioning structure is used to abut against the end of the workpiece. Since the bending trajectory is arc-shaped, the positioning structure's positioning of the workpiece end can easily interfere with the bending trajectory, causing the workpiece end to easily collide with the positioning structure during the bending process, thus interfering with the bending action. Utility Model Content

[0004] In order to overcome at least one of the defects of the prior art, the present invention provides a high-precision large-angle bending machine, which can position the end of the workpiece against the positioning component during the bending operation, and drive the positioning component away from the positioning turntable during the bending process to avoid the workpiece.

[0005] The technical solution adopted by this utility model to solve its problem is: A high-precision large-angle bending machine includes, A frame, on which a worktable is provided; A bending mechanism includes a positioning turntable, a bending pressure member, a bending guide seat, a first driving member, and a second driving member. The positioning turntable is rotatably mounted on the worktable and has a positioning through hole. The bending pressure member is mounted on the positioning turntable and spaced apart from the positioning through hole. The bending guide seat is rotatably mounted on the frame and corresponds to the positioning through hole. The bending guide seat can move closer to or away from the positioning through hole along the height direction of the frame. After moving closer to the positioning through hole, the bending guide seat is used to pass through the positioning through hole and is spaced apart from the bending pressure member. The first driving member drives the positioning turntable to rotate, and the second driving member drives the bending guide seat to move along the height direction of the frame. A positioning mechanism, comprising a positioning element and a positioning element drive, wherein the positioning element and the positioning turntable are spaced apart on the worktable; the positioning element is used for positioning and abutting against the end of the workpiece; and the positioning element drive is used to drive the positioning element to move closer to or away from the positioning turntable.

[0006] As an optional implementation, the bending top pressing component includes a top pressing frame and a top pressing roller, the top pressing frame being mounted on the positioning turntable, and the top pressing roller being rotatably mounted on the top pressing frame.

[0007] As an optional implementation, the frame is provided with a mounting base, which is located below the workbench; The first driving component includes a first cylinder, a rack, and a gear. The gear is rotatably mounted on the mounting base, the rack meshes with the gear, and is connected to the piston rod of the first cylinder. The bottom end of the positioning turntable is provided with a rotating sleeve, which passes through the gear and is connected to the gear; the bending guide seat passes through the rotating sleeve and corresponds to the positioning hole.

[0008] As an optional implementation, the bending guide seat includes a connecting seat and a guide post. The connecting seat is connected to the driving end of the second driving member, and the guide post is rotatably connected to the connecting seat and passes through the rotating sleeve corresponding to the positioning hole.

[0009] As an optional implementation, the second drive component includes a second cylinder, the piston rod of which is connected to the connecting seat.

[0010] As an optional implementation, the worktable is further provided with a clamping mechanism, and the clamping mechanism, the bending mechanism and the positioning mechanism are arranged sequentially and at intervals on the worktable; the clamping mechanism includes a clamping drive member, a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are arranged at intervals to form a clamping gap; the clamping drive member is used to drive the first clamping plate and the second clamping plate to move closer to each other or further away from each other.

[0011] As an optional implementation, the clamping drive includes a third cylinder, the piston rod of which is connected to the first clamping plate, and the second clamping plate is fixedly connected to the worktable.

[0012] As an optional implementation, the opposite ends of the first clamping plate and the second clamping plate are each provided with a plurality of clamping tooth grooves.

[0013] As an optional implementation, the positioning element includes a positioning plate.

[0014] As an optional implementation, the positioning element drive includes a fourth cylinder, the piston rod of which is connected to the positioning plate.

[0015] In summary, this utility model has the following technical effects: When the bending top pressure component and the positioning turntable rotate, the bending top pressure component rotates relative to the bending guide seat, pressing the workpiece against the bending top pressure component and the bending guide seat, driving the workpiece to turn. After the bending action, the positioning component drive component can drive the positioning component away from the positioning and rotate, thus achieving avoidance of the workpiece end during the bending action, reducing the interference between the workpiece and the positioning component during bending, and making the bending action smoother. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the folding machine of this utility model; Figure 2 This is a schematic diagram of the folding machine of this utility model from another perspective; Figure 3 This is a partial structural schematic diagram of the folding machine of this utility model; Figure 4 This is a partial structural schematic diagram of the folding machine of this utility model; Figure 5 This is a schematic diagram of another view of the partial structure of the folding machine of this utility model; Figure 6 This is a schematic diagram of the structure of the first driving component and the second driving component of this utility model; Figure 7 This is a schematic diagram of the structure of the first driving component and the second driving component of this utility model.

[0018] The meanings of the reference numerals in the attached drawings are as follows: 10, frame; 11, worktable; 12, mounting base; 20, bending mechanism; 21, positioning turntable; 211, rotating sleeve; 22, bending top pressure component; 221, top pressure frame; 222, top pressure roller; 23, bending guide seat; 24, first cylinder; 25, gear; 26, second cylinder; 27, rack; 30, positioning component; 40, clamping mechanism; 41, first clamping plate; 42, second clamping plate; 43, third cylinder; 44, clamping tooth groove. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0021] Furthermore, in addition to indicating location or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0022] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0023] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0024] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0025] See Figures 1-7This utility model discloses a high-precision large-angle bending machine, including a frame 10, a bending mechanism 20, and a positioning mechanism. Both the bending mechanism 20 and the positioning mechanism are mounted on the frame 10. A worktable 11 is provided on the frame 10. The bending mechanism 20 includes a positioning turntable 21, a bending pressure member 22, a bending guide seat 23, a first driving member, and a second driving member. The positioning turntable 21 is rotatably mounted on the worktable 11 and rotates under the drive of the first driving member. The positioning turntable 21 is provided with positioning through holes.

[0026] The aforementioned bending top pressing component 22 is installed on the positioning turntable 21, and the bending top pressing component 22 is spaced apart from the positioning through hole; the bending guide seat 23 is rotatably installed on the frame 10, and the bending guide seat 23 is correspondingly arranged with the positioning through hole. Under the drive of the second driving component, the bending guide seat 23 can move closer to or away from the positioning through hole along the height direction of the frame 10. The bending guide seat 23 is used to pass through the positioning through hole after moving closer to the positioning through hole. After passing through the positioning through hole, the bending guide seat 23 can be spaced apart from the bending top pressing component 22.

[0027] In addition, the positioning mechanism includes a positioning element 30 and a positioning element drive. The positioning element 30 and the positioning turntable 21 are distributed at intervals on the worktable 11. The positioning element 30 can be positioned and abutted against the end of the workpiece. The positioning element drive is used to drive the positioning element 30 to move closer to or away from the positioning turntable 21.

[0028] Based on the above structure, when using the high-precision large-angle bending machine of this utility model, the workpiece such as steel wire or steel pipe that needs to be bent is placed on the positioning turntable 21. The positioning component 30 can approach the positioning turntable 21 under the drive of the positioning component driving component. The end of the workpiece that needs to be bent can abut against the positioning component 30, and the bending position of the workpiece is located between the positioning through hole and the bending top pressure component 22. After that, the bending guide seat 23 can move close to the positioning through hole under the drive of the second driving component and extend from the positioning through hole to the end face of the positioning turntable 21. At this time, the workpiece is located between the bending top pressure component 22 and the bending guide seat 23, and the end of the workpiece is positioned and abutted by the positioning component 30.

[0029] The first driving component drives the positioning turntable 21 to rotate. Since the bending guide seat 23 rotates relative to the positioning turntable 21, when the bending pressing component 22 and the positioning turntable 21 rotate, the bending pressing component 22 rotates relative to the bending guide seat 23, pressing the bending pressing component 22 and the bending guide seat 23 onto the workpiece, driving the workpiece to turn. After the bending action, the positioning component driving component can drive the positioning component 30 away from the positioning component and rotate. Therefore, it is possible to avoid the end of the workpiece during the bending action, reduce the interference between the workpiece and the positioning component 30 during bending, and make the bending action smoother.

[0030] As an optional implementation, the bending pressing component 22 includes a pressing frame 221 and a pressing roller 222. The pressing frame 221 is mounted on the positioning turntable 21, and the pressing roller 222 is rotatably mounted on the pressing frame 221. That is, when the positioning turntable 21 rotates, the pressing frame 221 rotates together with the positioning turntable 21 and presses towards the workpiece. The pressing roller 222 on the pressing frame 221 can contact the workpiece to complete the pressing action. The pressing roller 222 rotates relative to the pressing frame 221, so it has a rolling tendency during the pressing process. This can form an arc structure at the bending position during the bending process, rather than a right-angle bend, and it is not easy to break.

[0031] As an optional implementation, a mounting base 12 can also be provided on the frame 10, positioned below the worktable 11. The first driving component includes a first cylinder 24, a rack 27, and a gear 25. The gear 25 is rotatably mounted on the mounting base 12, and the rack 27 meshes with the gear 25 and is connected to the piston rod of the first cylinder 24. Additionally, a rotating sleeve 211 can be provided at the bottom of the positioning turntable 21. The rotating sleeve 211 passes through and connects to the gear 25; a bending guide seat 23 passes through the rotating sleeve 211 and corresponds to the positioning through hole.

[0032] Based on this structure, when driving the positioning turntable 21, the piston rod of the first cylinder 24 extends to drive the rack 27 to move relative to the gear 25. When the rack 27 moves, it drives the gear 25 to rotate. The rotation of the gear 25 drives the rotating sleeve 211 connected to it to rotate, thus causing the positioning turntable 21 to rotate. Since the bending guide seat 23 passes through the rotating sleeve 211 to the positioning hole, the rotation drive structure of the positioning turntable 21 is driven by the rack 27 outside the gear 25. The bending guide seat 23 can avoid the rotation drive structure of the positioning turntable 21 inside the rotating sleeve 211. Therefore, the rotation drive structure can be staggered with the up-and-down movement drive structure of the bending guide seat 23 and they do not interfere with each other.

[0033] As an optional implementation, the bending guide seat 23 includes a connecting seat and a guide post. The connecting seat is connected to the driving end of the second driving member. The guide post is rotatably connected to the connecting seat and passes through the rotating sleeve 211 corresponding to the positioning through hole. In this way, when the bending action is performed, the guide post can rotate relative to the connecting seat and contact the workpiece with the outer surface of the arc. It can also form an arc structure at the bending point, reducing the possibility of breakage.

[0034] As an optional implementation, the second driving component includes a second cylinder 26, the piston rod of the second cylinder 26 is connected to the connecting seat, and when the bending guide seat 23 moves up and down, the piston rod of the second cylinder 26 can extend and retract to drive the connecting seat to move up and down, thereby driving the guide column installed on the connecting seat to move up and down.

[0035] As an optional implementation, a clamping mechanism 40 may also be provided on the worktable 11. The clamping mechanism 40, the bending mechanism 20 and the positioning mechanism are arranged sequentially and at intervals on the worktable 11. When the workpiece is placed, the workpiece can be positioned sequentially by the clamping mechanism 40, the bending mechanism 20 and the positioning mechanism.

[0036] Specifically, the clamping mechanism 40 includes a clamping drive member, a first clamping plate 41 and a second clamping plate 42. The first clamping plate 41 and the second clamping plate 42 are spaced apart to form a clamping gap. The clamping drive member can drive the first clamping plate 41 and the second clamping plate 42 to move closer to each other or further away from each other.

[0037] When performing the workpiece bending action, the workpiece can be placed between the first clamping plate 41 and the second clamping plate 42. The first clamping plate 41 and the second clamping plate 42 move closer to each other and are clamped under the action of the clamping drive. The bending position of the workpiece is placed between the bending top pressure member 22 and the bending guide seat 23 of the positioning turntable 21, and the end of the workpiece is abutted by the positioning member 30. In this way, the two sides of the workpiece bending position are clamped and fixed by the clamping mechanism 40, while the other end is positioned by the positioning member 30, and the bending state is stable.

[0038] More specifically, the clamping drive includes a third cylinder 43, the piston rod of the third cylinder 43 is connected to the first clamping plate 41, and the second clamping plate 42 is fixedly connected to the worktable 11. That is, the clamping and releasing actions of the clamping mechanism 40 are driven by the piston rod of the third cylinder 43. The structure is simple, and the first clamping plate 41 is set to be movable while the other second clamping plate 42 is set to be fixed. Only one drive structure is needed, and the clamping state is more stable than that of two movable clamping plates.

[0039] As an optional implementation, the opposite ends of the first clamping plate 41 and the second clamping plate 42 are provided with a plurality of clamping teeth 44. The plurality of clamping teeth 44 can grip the surface of the workpiece during clamping, increase the gripping force, and make the clamping state more stable.

[0040] As an optional implementation, the positioning element 30 includes a positioning plate to position the end of the workpiece, resulting in a simple structure. Of course, the positioning element 30 can also be selected as a positioning block or other structures.

[0041] As an optional implementation, the positioning member drive includes a fourth cylinder, the piston rod of the fourth cylinder is connected to the positioning plate, so that the positioning plate moves closer to or further away from the positioning turntable 21 by the extension and retraction of the piston rod of the fourth cylinder, and the drive structure is simple.

[0042] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A high-precision large-angle bending machine, characterized in that, include, A frame, on which a worktable is provided; A bending mechanism includes a positioning turntable, a bending pressure member, a bending guide seat, a first driving member, and a second driving member. The positioning turntable is rotatably mounted on the worktable and has a positioning through hole. The bending pressure member is mounted on the positioning turntable and spaced apart from the positioning through hole. The bending guide seat is rotatably mounted on the frame and corresponds to the positioning through hole. The bending guide seat can move closer to or away from the positioning through hole along the height direction of the frame. After moving closer to the positioning through hole, the bending guide seat is used to pass through the positioning through hole and is spaced apart from the bending pressure member. The first driving member drives the positioning turntable to rotate, and the second driving member drives the bending guide seat to move along the height direction of the frame. A positioning mechanism, comprising a positioning element and a positioning element drive, wherein the positioning element and the positioning turntable are spaced apart on the worktable; the positioning element is used for positioning and abutting against the end of the workpiece; and the positioning element drive is used to drive the positioning element to move closer to or away from the positioning turntable.

2. The high-precision large-angle bending machine according to claim 1, characterized in that, The bending top pressing component includes a top pressing frame and a top pressing roller. The top pressing frame is mounted on the positioning turntable, and the top pressing roller is rotatably mounted on the top pressing frame.

3. The high-precision large-angle bending machine according to claim 1, characterized in that, The frame is provided with a mounting base, which is located below the workbench; The first driving component includes a first cylinder, a rack, and a gear. The gear is rotatably mounted on the mounting base, the rack meshes with the gear, and is connected to the piston rod of the first cylinder. The bottom end of the positioning turntable is provided with a rotating sleeve, which passes through the gear and is connected to the gear; the bending guide seat passes through the rotating sleeve and corresponds to the positioning hole.

4. The high-precision large-angle bending machine according to claim 3, characterized in that, The bending guide seat includes a connecting seat and a guide post. The connecting seat is connected to the driving end of the second driving member. The guide post is rotatably connected to the connecting seat and passes through the rotating sleeve corresponding to the positioning hole.

5. The high-precision large-angle bending machine according to claim 4, characterized in that, The second driving component includes a second cylinder, the piston rod of which is connected to the connecting seat.

6. The high-precision large-angle bending machine according to any one of claims 1-5, characterized in that, The workbench is also provided with a clamping mechanism, and the clamping mechanism, the bending mechanism and the positioning mechanism are arranged sequentially at intervals on the workbench; the clamping mechanism includes a clamping drive member, a first clamping plate and a second clamping plate, the first clamping plate and the second clamping plate are arranged at intervals to form a clamping gap; the clamping drive member is used to drive the first clamping plate and the second clamping plate to move closer to each other or further away from each other.

7. The high-precision large-angle bending machine according to claim 6, characterized in that, The clamping drive includes a third cylinder, the piston rod of which is connected to the first clamping plate, and the second clamping plate is fixedly connected to the worktable.

8. The high-precision large-angle bending machine according to claim 6, characterized in that, The ends of the first clamping plate and the second clamping plate opposite to each other are provided with multiple clamping tooth grooves.

9. The high-precision large-angle bending machine according to any one of claims 1-5, characterized in that, The positioning element includes a positioning plate.

10. The high-precision large-angle bending machine according to claim 9, characterized in that, The positioning component drive includes a fourth cylinder, and the piston rod of the fourth cylinder is connected to the positioning plate.

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