CN109702057B - Accurate and convenient manual sheet bending machine and operation method thereof - Google Patents
Accurate and convenient manual sheet bending machine and operation method thereof Download PDFInfo
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- CN109702057B CN109702057B CN201910195415.1A CN201910195415A CN109702057B CN 109702057 B CN109702057 B CN 109702057B CN 201910195415 A CN201910195415 A CN 201910195415A CN 109702057 B CN109702057 B CN 109702057B
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Abstract
The invention provides an accurate and convenient manual sheet bending machine which comprises a base, a positioning column and a spring, wherein the base is provided with a positioning hole; the left side and the right side of the base are fixedly provided with side plates through bolts; the upper ends of the inner opposite side walls of the two parallel side plates are embedded with a bottom plate through grooves. According to the invention, the edge groove and the positioning column on the angle scale are arranged, the outer wall of the angle scale is provided with scales, the outer end position of the jack is just corresponding to the long scale strip, namely the starting scale, the scale can adopt a more accurate dividing disc at the moment, the central axis of the side wall of the bending plate is provided with a pointer pointing to the angle scale, the edge groove is formed in the curved side wall of the angle scale, when the upper end of the positioning column is abutted against the angle scale, the spring is in a compressed state, the positioning column can be ensured to be always in the edge groove, and when passing through the jack, the positioning column can be accurately inserted for positioning.
Description
Technical Field
The invention belongs to the technical field of machining and manufacturing, and particularly relates to an accurate and convenient manual sheet bending machine.
Background
The bending machine is a machine capable of bending thin plates, and mainly structurally comprises a support, a workbench and a clamping plate, wherein the workbench is arranged on the support and comprises a base and a pressing plate, the base is connected with the clamping plate through a hinge and comprises a seat shell, a coil and a cover plate, the coil is arranged in a recess of the seat shell, and the cover plate covers the top of the recess. The bending machine is important equipment for bending and forming workpieces in the sheet metal industry and is used for pressing steel plates into parts in various shapes according to process requirements.
The bending operation of the thin plate in a household small factory is a production operation with a small value, if a large bending machine is adopted, the production cost is high, one machine corresponds to one person, the space is limited, and the bending angle is difficult to achieve the expected precision by adopting a simple and crude bending device.
Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and an accurate and convenient manual sheet bending machine is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the technical problems, the invention provides an accurate and convenient manual sheet bending machine, which aims to solve the problems that the sheet bending operation in a household small factory is a production operation with a small value, if a large bending machine is adopted, the production cost is high, one machine corresponds to one person, the space is limited, and a simple and crude bending device is adopted, the bending angle is difficult to achieve the expected accuracy.
The purpose and the effect of the accurate and convenient manual sheet bending machine are achieved by the following specific technical means:
the accurate portable manual sheet bending machine comprises a base, side plates, grooves, a bottom plate, a pressing plate, a bending plate, a first rotating pin, a limiting column, a rotating wheel, a connecting plate, a second rotating pin, an angle limiting box, an angle scale, side grooves, jacks, an inner plate, a pointer, a positioning column and a spring; the left side and the right side of the base are fixedly provided with side plates through bolts; the upper ends of the inner opposite side walls of the two parallel side plates are embedded with a bottom plate through grooves; the front ends of the tops of the side plates are rotatably connected to the side plates at two ends of the pressing plate through first rotating pins, and the rear ends of the pressing plate are rotatably connected to the rear ends of the side plates through second rotating pins; the outer end of the second rotating pin is fixedly connected with a connecting plate, and the lower end of the connecting plate is fixedly sleeved on the rotating wheel below; the two rotating wheels are fixedly connected through a rotating shaft penetrating through the two parallel side plates; the top of the rear end of the side plate is rotatably connected with a bending plate through a rotating shaft; the lower ends of the side walls of the left end and the right end of the bending plate are fixedly provided with angle scales through hexagon socket head cap bolts; an angle limiting box is fixedly mounted on the side plate below the angle scale through a bolt; a positioning column is arranged in the plane of the top of the angle limiting box, and the lower end of the positioning column is fixedly connected with a spring; and a jack corresponding to the positioning column is arranged in the side wall of the angle scale.
Furthermore, a limiting column is vertically arranged outside the outer wall of the side plate, and when the pressing plate and the bottom plate are mutually parallel, the stop lever on the rotating wheel can just lean against the limiting column.
Furthermore, an inner plate is fixedly installed at the bottom of the rear end of the pressing plate through bolts, and the rear end of the inner plate is inclined downwards from the right to the upper and inclined backwards.
Furthermore, scales are arranged on the outer wall of the angle scale, the outer end position where the jack is located corresponds to the long scale bar just, namely the initial scale, the scale can adopt a more accurate dividing scale at the moment, and a pointer pointing to the angle scale is arranged at the central axis of the side wall of the bending plate.
Furthermore, an edge groove is formed in the side wall of the curved surface of the angle scale, the width of the edge groove is consistent with the diameters of the jack and the positioning column, and when the upper end of the positioning column abuts against the angle scale, the spring is in a compressed state.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the side groove and the positioning column on the angle scale are arranged, the outer end position of the jack is just corresponding to the long scale strip through the scale arranged on the outer wall of the angle scale, namely the starting scale, at the moment, the scale can adopt a more accurate dividing scale, and the pointer pointing to the angle scale is arranged on the central axis of the side wall of the bending plate, so that the bending angle is more accurate, the cost is lower compared with that of a large-scale bending machine, the side groove is formed in the curved side wall of the angle scale, the width of the side groove is consistent with the diameters of the jack and the positioning column, when the upper end of the positioning column is abutted against the angle scale, the spring is in a compressed state, the positioning column can be ensured to be always in the side groove, when the positioning column passes through the jack, the positioning column can be accurately inserted for positioning, the positioning column is suitable for bending thin plates.
Drawings
FIG. 1 is a front right upper axial view of the present invention.
Fig. 2 is a schematic view of the left rear lower axial view of the present invention.
Fig. 3 is a schematic axial view of the angle limiting box and the main body of the present invention in a separated state.
Fig. 4 is a schematic view of the enlarged portion of fig. 3 of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a base; 2. a side plate; 201. a groove; 3. a base plate; 4. pressing a plate; 5. bending the plate; 6. a first rotation pin; 7. a limiting column; 8. a rotating wheel; 9. a connecting plate; 10. a second rotation pin; 11. an angle limiting box; 12. an angle scale; 1201. a side groove; 1202. a jack; 13. an inner plate; 14. a pointer; 15. a positioning column; 16. a spring.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 4:
the invention provides an accurate and convenient manual sheet bending machine which comprises a base 1, side plates 2, a groove 201, a bottom plate 3, a pressing plate 4, a bending plate 5, a first rotating pin 6, a limiting column 7, a rotating wheel 8, a connecting plate 9, a second rotating pin 10, an angle limiting box 11, an angle scale 12, a side groove 1201, a jack 1202, an inner plate 13, a pointer 14, a positioning column 15 and a spring 16, wherein the side plate 2 is arranged on the base; the left side and the right side of the base 1 are fixedly provided with side plates 2 through bolts; the upper ends of the inner opposite side walls of the two parallel side plates 2 are embedded with a bottom plate 3 through grooves 201; the front end of the top of the side plate 2 is rotatably connected to the side plates at two ends of the pressing plate 4 through a first rotating pin 6, and the rear end of the pressing plate 4 is rotatably connected to the rear end of the side plate 2 through a second rotating pin 10; the outer end of the second rotating pin 10 is fixedly connected with a connecting plate 9, and the lower end of the connecting plate 9 is fixedly sleeved on the lower rotating wheel 8; the two rotating wheels 8 are fixedly connected through a rotating shaft penetrating through the two parallel side plates 2; the top of the rear end of the side plate 2 is rotatably connected with a bending plate 5 through a rotating shaft; the lower ends of the side walls of the left end and the right end of the bending plate 5 are fixedly provided with angle scales 12 through hexagon socket head cap bolts; an angle limiting box 11 is fixedly arranged on the side plate 2 below the angle scale 12 through bolts; a positioning column 15 is arranged in the top plane of the angle limiting box 11, and the lower end of the positioning column 15 is fixedly connected with a spring 16; a jack 1202 corresponding to the positioning column 15 is opened in the side wall of the angle scale 12.
The outer wall of the side plate 2 is vertically and externally provided with a limiting column 7, when the pressing plate 4 and the bottom plate 3 are parallel to each other, the stop lever on the rotating wheel 8 can just lean against the limiting column 7 to limit the moving position of the rotating wheel 8, so that the passing gap between the inner plate 13 below the pressing plate 4 and the bottom plate 3 is ensured, the closing and the separation can be realized, and the purpose of bending the thin plate is further realized.
The bottom of the rear end of the pressing plate 4 is fixedly provided with an inner plate 13 through a bolt, and the rear end of the inner plate 13 is inclined downwards to the upper side and backwards, so that the flatness of the bent part of the thin plate is ensured.
Wherein, be provided with the scale on the outer wall of angle scale 12, the outer end position at its jack 1202 place corresponds long scale strip just, is the originated scale promptly, and the scale can adopt more accurate graduated disk this moment, and the lateral wall axis department of the board 5 of bending is provided with pointer 14 to angle scale 12 for it is more accurate to bend the angle, compares in large-scale bending mechanical cost cheap.
The side groove 1201 is formed in the curved side wall of the angle scale 12, the width of the side groove 1201 is consistent with the diameters of the insertion hole 1202 and the positioning column 15, when the upper end of the positioning column 15 abuts against the angle scale 12, the spring 16 is in a compressed state, it is guaranteed that the positioning column 15 can be always located in the side groove 1201, and when passing through the insertion hole 1202, the positioning column can be accurately inserted for positioning.
The specific use mode and function of the embodiment are as follows:
when the bending device is used, a thin plate to be bent is placed between the bottom plate 3 and the inner plate 13, a preset bending angle is set through the hexagon socket head cap screw on the adjusting angle disc 12, when the rotating wheel 8 rotates backwards to enable the inner plate 13 to tightly abut against the thin plate, the bending plate 5 is pulled to be bent until the positioning column 15 is inserted into the insertion hole 1202 to stop, the positioning column 15 is pressed downwards and pulled out, and the bending plate 5 is reset to be capable of repeatedly bending.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. Manual sheet metal bender of accurate portable, its characterized in that: the accurate portable manual sheet bending machine comprises a base (1), side plates (2), a groove (201), a bottom plate (3), a pressing plate (4), a bending plate (5), a first rotating pin (6), a limiting column (7), a rotating wheel (8), a connecting plate (9), a second rotating pin (10), an angle limiting box (11), an angle scale (12), a side groove (1201), a jack (1202), an inner plate (13), a pointer (14), a positioning column (15) and a spring (16); the left side and the right side of the base (1) are fixedly provided with side plates (2) through bolts; the upper ends of the inner opposite side walls of the two parallel side plates (2) are embedded with a bottom plate (3) through grooves (201); the front end of the top of the side plate (2) is rotatably connected to the side plates at two ends of the pressing plate (4) through a first rotating pin (6), and the rear end of the pressing plate (4) is rotatably connected to the rear end of the side plate (2) through a second rotating pin (10); the outer end of the second rotating pin (10) is fixedly connected with the connecting plate (9), and the lower end of the connecting plate (9) is fixedly sleeved on the rotating wheel (8) below; the two rotating wheels (8) are fixedly connected through rotating shafts penetrating through the two parallel side plates (2); the top of the rear end of the side plate (2) is rotatably connected with a bending plate (5) through a rotating shaft; the lower ends of the side walls of the left end and the right end of the bending plate (5) are fixedly provided with angle scales (12) through hexagon socket head cap bolts; an angle limiting box (11) is fixedly arranged on the side plate (2) below the angle scale (12) through bolts; a positioning column (15) is arranged in the top plane of the angle limiting box (11), and the lower end of the positioning column (15) is fixedly connected with a spring (16); a jack (1202) corresponding to the positioning column (15) is arranged in the side wall of the angle scale (12); a limiting column (7) is vertically and externally arranged on the outer wall of the side plate (2); an inner plate (13) is fixedly arranged at the bottom of the rear end of the pressing plate (4) through bolts; a pointer (14) pointing to the angle scale (12) is arranged at the central axis of the side wall of the bending plate (5); and a side groove (1201) is formed in the curved side wall of the angle scale (12).
2. A precision portable manual sheet bending machine according to claim 1, wherein: when the pressure plate (4) and the bottom plate (3) are mutually parallel, the stop lever on the rotating wheel (8) can just lean against the limiting column (7).
3. A precision portable manual sheet bending machine according to claim 1, wherein: the rear end of the inner plate (13) is inclined and inclined backwards from the right to the bottom to the top.
4. A precision portable manual sheet bending machine according to claim 1, wherein: scales are arranged on the outer wall of the angle scale (12), the outer end position where the insertion hole (1202) is located just corresponds to the long scale strip, namely the initial scale, and the scale is a more accurate index scale.
5. A precision portable manual sheet bending machine according to claim 1, wherein: the width of the side groove (1201) is consistent with the diameters of the insertion hole (1202) and the positioning column (15), and when the upper end of the positioning column (15) abuts against the angle scale (12), the spring (16) is in a compressed state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195415.1A CN109702057B (en) | 2019-03-14 | 2019-03-14 | Accurate and convenient manual sheet bending machine and operation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910195415.1A CN109702057B (en) | 2019-03-14 | 2019-03-14 | Accurate and convenient manual sheet bending machine and operation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109702057A CN109702057A (en) | 2019-05-03 |
| CN109702057B true CN109702057B (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910195415.1A Active CN109702057B (en) | 2019-03-14 | 2019-03-14 | Accurate and convenient manual sheet bending machine and operation method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112935025A (en) * | 2021-01-28 | 2021-06-11 | 重庆长安汽车股份有限公司 | Bending equipment for laser welding experiment piece of automobile body-in-white top cover |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2215607C2 (en) * | 2001-07-31 | 2003-11-10 | ОАО Челябинский металлургический комбинат "МЕЧЕЛ" | Universal apparatus for manual bending of sheet blanks |
| CN202028652U (en) * | 2010-12-21 | 2011-11-09 | 廊坊广厦新源石化设备制造有限公司 | Flanging machine for sheet |
| CN104785582B (en) * | 2015-05-05 | 2016-11-02 | 福建龙岩尔彬农业发展有限责任公司 | Portable simple sheet metal apparatus for bending |
| CN205042936U (en) * | 2015-10-14 | 2016-02-24 | 西南石油大学 | Manual bender |
| JP2019018219A (en) * | 2017-07-14 | 2019-02-07 | 秋夫 湯田 | Desktop manual bender |
| CN207695383U (en) * | 2017-11-23 | 2018-08-07 | 昆山高川金属制品有限公司 | A kind of manual rapid workpiece veneer reeling machine |
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