CN212598374U - Bending machine for sheet metal production - Google Patents

Bending machine for sheet metal production Download PDF

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Publication number
CN212598374U
CN212598374U CN202020889039.4U CN202020889039U CN212598374U CN 212598374 U CN212598374 U CN 212598374U CN 202020889039 U CN202020889039 U CN 202020889039U CN 212598374 U CN212598374 U CN 212598374U
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shaped
upper die
sheet metal
die
lower die
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CN202020889039.4U
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Chinese (zh)
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贾永民
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Bochuan Electric Co ltd
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Bochuan Electric Co ltd
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Abstract

The utility model relates to a bending machine for sheet metal production, which comprises a frame and a punching mechanism, wherein the punching mechanism is specifically a hydraulic cylinder, the axial direction of the hydraulic cylinder is arranged along the vertical direction, an upper die base is fixed at the lower end of the hydraulic cylinder, and an upper die is arranged at the lower end of the upper die base; the upper die is detachably connected with the upper die base; a lower die base is arranged on the machine frame right below the stamping mechanism, a lower die is arranged at the upper end of the lower die base, and the lower die is detachably connected with the lower die base; the die head at the upper end of the lower die comprises a platform and an inclined plane, and the lower end part of the die head of the upper die is provided with a notch matched with the die head of the lower die; the bending machine for sheet metal production further comprises a limiting baffle arranged on the rack, the limiting baffle is 7-shaped and comprises a transverse pressing plate and a vertical top plate, one side of the transverse pressing plate is fixedly connected with one side of the vertical top plate, the transverse pressing plate is used for limiting the insertion depth of a piece to be bent, and the vertical top plate is used for limiting one side of the piece to be bent to turn over when the piece to be bent is bent; thereby the width of one side of the bent sheet metal part is consistent.

Description

Bending machine for sheet metal production
Technical Field
The utility model particularly relates to a bender is used in panel beating production.
Background
The sheet metal is an important processing technology and mainly aims at cold processing of sheet metal (such as steel plates, copper plates, aluminum plates and the like); the method mainly comprises the technological methods of stamping, cutting, bending, splicing, riveting and the like. At present, the metal sheet bending mode mainly comprises manual bending and mechanical bending, and the manual bending has poor bending effect and low bending efficiency; the machinery is bent effectual, the efficient of bending.
The utility model discloses a Chinese utility model with the publication number of 203508668U, which comprises a frame and a workbench arranged on the frame, wherein a bending mechanism is arranged above the frame, a lower template is arranged on the workbench, a die cavity corresponding to the bending mechanism is arranged on the lower template, and a backing plate for supporting a product to be processed is arranged on the upper plane of the lower template; the size of the base plate is matched with that of the lower template. Through increasing the backing plate, the sheet metal component to be processed is bent simultaneously with the backing plate during bending processing, so that the bending of the short and small right-angle side sheet metal component becomes possible. However, when the bending device is used, the width of one side edge of the bent sheet metal part is not consistent, and further cutting is needed to reduce the processing efficiency.
SUMMERY OF THE UTILITY MODEL
In order to make the width of one side edge of the bent sheet metal part consistent, the utility model provides a bending machine for sheet metal production; in order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
a bending machine for sheet metal production comprises a rack and a stamping mechanism arranged on the rack, wherein the stamping mechanism is a hydraulic cylinder of which the upper end is fixedly connected with the rack, the hydraulic cylinder is axially arranged along the vertical direction, an upper die holder is fixed at the lower end of the hydraulic cylinder, and an upper die is arranged at the lower end of the upper die holder; the upper die is detachably connected with the upper die base; a lower die base is arranged on the machine frame right below the stamping mechanism, a lower die is arranged at the upper end of the lower die base, and the lower die is detachably connected with the lower die base; the die head at the upper end of the lower die comprises a platform protruding upwards and an inclined plane arranged on one side of the platform, and the lower end part of the die head of the upper die is provided with a notch matched with the die head of the lower die; the bending machine for sheet metal production is characterized in that the bending machine for sheet metal production further comprises a limiting baffle arranged on the rack, the limiting baffle is in a 7-shaped shape and comprises a transverse pressing plate and an upright top plate, one side of the transverse pressing plate is fixedly connected with one side of the upright top plate, the transverse pressing plate is used for limiting the insertion depth of a piece to be bent, and the upright top plate is used for limiting one side of the piece to be bent to overturn.
The utility model discloses a panel beating production is with bender's beneficial effect: by arranging the limiting baffle on the rack, after the sheet metal part to be bent is inserted, one end of the sheet metal part to be bent is pressed against the vertical top plate of the limiting baffle, and the vertical top plate limits the insertion depth of the sheet metal part to be bent and simultaneously performs width fixing on the side edge of one side of the sheet metal part to be bent; so that the width of the side edge of one side of the bent sheet metal part is consistent; in the bending process, the transverse pressing plate limits the overturning of the bending piece, so that the feeding of the bending machine and the bending of the sheet metal part are facilitated; the upper die and the upper die holder and the lower die holder are detachably connected, so that the die is convenient to replace, and the bending machine is suitable for bending at different angles.
Furthermore, the hydraulic cylinders comprise 3 groups, and two ends of each hydraulic cylinder are respectively and fixedly connected with the upper end surfaces of the rack and the upper die holder; 3 groups of hydraulic cylinders are uniformly arranged at intervals along the length direction of the upper die holder; and the upper die holder is used for driving the upper die holder to reciprocate along the vertical direction.
Has the advantages that: the hydraulic cylinders are arranged into 3 groups and are uniformly arranged along the length direction of the upper die base at intervals, so that the upper die base is balanced in stress in the bending process, and the bending effect of the sheet metal part is improved.
Furthermore, the upper die and the upper die holder, and the lower die holder are detachably connected in an inserting manner, a T-shaped through groove is formed in the lower end of the upper die holder, and a T-shaped boss matched with the T-shaped through groove is arranged on the upper end surface of the upper die; an inverted T-shaped through groove is formed in the upper end of the lower die base, and an inverted T-shaped boss matched with the inverted T-shaped through groove is arranged on the lower end face of the lower die; the upper die and the upper die holder and the lower die holder are detachably connected by inserting the T-shaped through grooves and the T-shaped bosses and the inverted T-shaped through grooves and the inverted T-shaped bosses.
Has the advantages that: the T-shaped boss and the inverted T-shaped boss are respectively inserted into the T-shaped through groove and the inverted T-shaped through groove, so that the upper die and the upper die base as well as the lower die and the lower die base can be detachably connected, the structure is simple, the connection is simple and convenient, and the force transmission in the vertical direction of the upper die and the upper die base as well as the lower die and the lower die base is facilitated.
Further, bolt through holes are respectively formed in the side walls of the T-shaped boss and the T-shaped through groove and the side walls of the inverted T-shaped boss and the T-shaped through groove; the T-shaped boss and the side wall of the T-shaped through groove as well as the inverted T-shaped boss and the side wall of the T-shaped through groove are reinforced by bolts inserted into the bolt through holes.
Has the advantages that: the T-shaped boss and the side wall of the T-shaped through groove and the inverted T-shaped boss and the side wall of the T-shaped through groove are reinforced by bolts inserted into the bolt through holes; the upper die is prevented from sliding along the length direction of the upper die base and the lower die is prevented from sliding along the length direction of the lower die base; along upper die base length direction, go up the emergence dislocation between mould and the lower mould, be unfavorable for bending of sheet metal component.
Further, an included angle between a platform of the die head at the upper end of the lower die and the inclined surface is 60 degrees.
Has the advantages that: the included angle between the platform and the inclined plane is 60 degrees, so that the sheet metal part is bent to form a 60-degree included angle, and the process requirements are met.
Further, a platform of the die head at the upper end of the lower die is in arc surface transition with the inclined surface.
Has the advantages that: adopt the arc surface transition between platform and the inclined plane, avoid the junction on platform and inclined plane to form most advanced, form the crease on the sheet metal component after making to bend, reduce the intensity of sheet metal component after bending.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the bending machine for sheet metal production of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a cross-sectional view taken at B-B of FIG. 3;
FIG. 5 is an enlarged view at C of FIG. 4;
fig. 6 is the utility model discloses a sheet metal production is with the structural schematic diagram of the embodiment user state of bender.
Reference numbers in the figures: the die comprises a frame 1, a hydraulic cylinder 2, an upper die holder 3, an upper die 4, a lower die holder 5, a lower die 6, a limit baffle 7, a transverse pressing plate 71, a vertical top plate 72, a sheet metal part 8, a T-shaped boss 9, an inverted T-shaped boss 10, a bolt 11, a notch 12, a platform 13, an inclined surface 14, an arc surface 15, a T-shaped through groove 16 and an inverted T-shaped through groove 17.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the utility model discloses a concrete structure of the embodiment of bender is used in panel beating production is as shown in figure 1, figure 3 and figure 4, including frame 1, punching press mechanism, upper die base 3, die holder 5, go up mould 4, lower mould 6 and limit baffle 7. The definition is left and right along the length direction of bender, and is the fore-and-aft direction along the width direction of bender, and is upper and lower along vertical direction. The stamping mechanism is arranged on the frame 1, specifically a hydraulic cylinder 2, and the axial direction of the hydraulic cylinder 2 is arranged along the vertical direction; the upper end of the hydraulic cylinder 2 is fixedly connected with the frame 1, and the lower end face of the hydraulic cylinder 2 is fixedly connected with the upper die base 3. In this embodiment, the number of the hydraulic cylinders 2 includes 3 groups, two ends of the hydraulic cylinders 2 are respectively and fixedly connected with the upper end surfaces of the frame 1 and the upper die base 3, the 3 groups of hydraulic cylinders 2 are uniformly arranged at intervals along the length direction (i.e. the left and right direction) of the upper die base 3, and the 3 groups of hydraulic cylinders 2 are simultaneously used for driving the upper die base 3 to reciprocate along the up-down direction; in the process of bending the sheet metal part 8, the upper die base 3 is stressed in a balanced manner, and the bending effect of the sheet metal part 8 is improved. In other embodiments, the stamping mechanism may also adopt air cylinders instead of hydraulic cylinders, and the number of the hydraulic cylinders may also be 1 group, 2 groups or more than 4 groups instead of 2 groups; when the hydraulic cylinders are more than 4 groups, the hydraulic cylinders are evenly arranged at intervals along the left-right direction.
As shown in fig. 2 and 5, the upper die 4 is disposed at a lower end of the upper die holder 3, and the upper die 4 is detachably connected to the upper die holder 3. In this embodiment, the upper die 4 is specifically connected with the upper die holder 3 in an inserting manner, that is, a T-shaped through groove 16 is formed at the lower end of the upper die holder 3, and the T-shaped through groove 16 penetrates through the upper die holder 3 along the left-right direction; a T-shaped boss 9 is arranged on the upper end surface of the upper die 4; the T-shaped boss 9 is matched with the T-shaped through groove 16; the T-shaped boss 9 is inserted into the T-shaped through groove 16, so that the upper die 4 and the upper die base 3 can be detachably connected, the structure is simple, the connection is simple and convenient, and the force transmission between the upper die 4 and the upper die base 3 along the up-down direction is facilitated. Bolt holes penetrating along the front-back direction are formed in the side walls of the two sides of the T-shaped boss 9 and the T-shaped through groove 16, the number of the bolt holes comprises 3 groups, and the bolt holes are uniformly arranged at intervals along the left-right direction; bolts 11 are inserted into the bolt holes and used for reinforcing the connection between the upper die 4 and the upper die base 3; the upper die 4 and the upper die base 3 are prevented from being dislocated along the left and right directions; is not beneficial to bending the sheet metal part 8. In other embodiments, the detachable connection between the upper die and the upper die base directly adopts the connection of the bolt 11 to replace the insertion connection between the T-shaped boss and the T-shaped through groove.
A lower die base 5 is arranged on the frame 1 right below the stamping mechanism, a lower die 6 is arranged at the upper end of the lower die base 5, and the lower die 6 is detachably connected with the lower die base 5; in the embodiment, the lower die 6 and the lower die holder 5 are detachably connected in a plug-in manner, that is, an inverted T-shaped through groove 17 is formed in the upper end of the lower die holder 5, and an inverted T-shaped boss 10 is formed on the lower end surface of the lower die 6; the inverted T-shaped boss 10 is matched with the inverted T-shaped through groove 17, and the inverted T-shaped boss 10 is inserted into the inverted T-shaped through groove 17, so that the lower die 6 and the lower die holder 5 can be detachably connected, the structure is simple, the connection is simple and convenient, and the installation of the lower die 6 on the lower die holder 5 and the transmission of force between the upper die 4 and the upper die holder 3 along the vertical direction are facilitated. Bolt holes penetrating along the front-back direction are formed in the side walls of the two sides of the inverted T-shaped boss 10 and the inverted T-shaped through groove 17, the number of the bolt holes comprises 3 groups, and the bolt holes are uniformly arranged at intervals along the left-right direction; a bolt 11 is inserted in the bolt hole and used for reinforcing the connection between the lower die 6 and the lower die base 5; prevent that lower mould 6 and die holder 5 from taking place the dislocation along left right direction, be unfavorable for bending of sheet metal component 8. In other embodiments, the detachable connection between the lower die and the lower die holder directly adopts the bolt 11 connection instead of the insertion connection between the inverted T-shaped boss 10 and the inverted T-shaped through groove 17. The die head at the upper end of the lower die 6 comprises a platform 13 protruding upwards and an inclined surface 14 arranged on the front side of the platform 13, and the lower end part of the die head of the upper die 4 is provided with a notch 12 matched with the die head of the lower die 6. In this embodiment, an included angle between the platform 13 and the inclined surface 14 is 60 °, and the platform 13 and the inclined surface 14 are transited by using the arc surface 15; the included angle is set to be 60 degrees, and the bending process requirement is met; the arc surface 15 is used for transition, so that the connecting part of the platform 13 and the inclined surface 14 is prevented from forming a tip, a crease is formed on the bent sheet metal part 8, and the strength of the bent sheet metal part 8 is reduced. In other embodiments, the included angle between the platform and the inclined surface can be 45 degrees, 75 degrees or 90 degrees instead of 60 degrees according to the process requirements; under the prerequisite that intensity satisfies the requirement after the sheet metal component is bent, not set up the arc surface between platform and the inclined plane.
Limiting baffle 7's effect both ends respectively with frame 1 fixed connection, limiting baffle 7 presents "7" style of calligraphy, including horizontal clamp plate 71 and perpendicular roof 72, one side of horizontal clamp plate 71 and one side fixed connection of perpendicular roof 72, perpendicular roof 72 is used for the restriction to treat the depth of insertion of the piece of bending, and horizontal clamp plate 71 is used for making when waiting to bend sheet metal component 8 keep balance, and the restriction is waited to bend one side upset when bending.
As shown in fig. 6, in use, after the sheet metal part 8 to be bent is inserted, one end of the sheet metal part to be bent is pressed against the vertical top plate 72 of the limiting baffle 7, and the vertical top plate 72 limits the insertion depth of the sheet metal part 8 to be bent and simultaneously, the width of the side edge of one side of the sheet metal part 8 to be bent is fixed; so that the width of the side edge of one side of the bent sheet metal part 8 is consistent; and starting the stamping mechanism to enable the upper die 4 to be pressed on the sheet metal part 8 to finish the bending of the sheet metal part 8.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (6)

1. The bending machine for sheet metal production comprises a rack and a stamping mechanism arranged on the rack, and is characterized in that the stamping mechanism is a hydraulic cylinder of which the upper end is fixedly connected with the rack, the axial direction of the hydraulic cylinder is arranged along the vertical direction, an upper die holder is fixed at the lower end of the hydraulic cylinder, and an upper die is arranged at the lower end of the upper die holder; the upper die is detachably connected with the upper die base; a lower die base is arranged on the machine frame right below the stamping mechanism, a lower die is arranged at the upper end of the lower die base, and the lower die is detachably connected with the lower die base; the die head at the upper end of the lower die comprises a platform protruding upwards and an inclined plane arranged on one side of the platform, and the lower end part of the die head of the upper die is provided with a notch matched with the die head of the lower die; the bending machine for sheet metal production is characterized in that the bending machine for sheet metal production further comprises a limiting baffle arranged on the rack, the limiting baffle is in a 7-shaped shape and comprises a transverse pressing plate and an upright top plate, one side of the transverse pressing plate is fixedly connected with one side of the upright top plate, the upright top plate is used for limiting the insertion depth of a piece to be bent, and the transverse pressing plate is used for limiting one side of the piece to be bent to turn over.
2. The bending machine for sheet metal production according to claim 1, wherein the hydraulic cylinders comprise 3 groups, and two ends of each hydraulic cylinder are fixedly connected with the upper end surfaces of the frame and the upper die holder respectively; 3 groups of hydraulic cylinders are uniformly arranged at intervals along the length direction of the upper die holder; and the upper die holder is used for driving the upper die holder to reciprocate along the vertical direction.
3. The bending machine for sheet metal production according to claim 1, wherein the upper die and the upper die holder, and the lower die holder are detachably connected by inserting, a T-shaped through groove is formed in the lower end of the upper die holder, and a T-shaped boss matched with the T-shaped through groove is arranged on the upper end surface of the upper die; an inverted T-shaped through groove is formed in the upper end of the lower die base, and an inverted T-shaped boss matched with the inverted T-shaped through groove is arranged on the lower end face of the lower die; the upper die and the upper die holder and the lower die holder are detachably connected by inserting the T-shaped through grooves and the T-shaped bosses and the inverted T-shaped through grooves and the inverted T-shaped bosses.
4. The bending machine for sheet metal production according to claim 3, wherein bolt through holes are respectively formed in the side walls of the T-shaped boss and the T-shaped through groove, and in the side walls of the inverted T-shaped boss and the T-shaped through groove; the T-shaped boss and the side wall of the T-shaped through groove as well as the inverted T-shaped boss and the side wall of the T-shaped through groove are reinforced by bolts inserted into the bolt through holes.
5. The bending machine for sheet metal production according to claim 1, wherein an included angle between a platform of the die head at the upper end of the lower die and the inclined surface is 60 °.
6. The bending machine for sheet metal production according to claim 5, wherein a circular arc surface is adopted for transition between the platform and the inclined surface of the die head at the upper end of the lower die.
CN202020889039.4U 2020-05-22 2020-05-22 Bending machine for sheet metal production Active CN212598374U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020889039.4U CN212598374U (en) 2020-05-22 2020-05-22 Bending machine for sheet metal production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020889039.4U CN212598374U (en) 2020-05-22 2020-05-22 Bending machine for sheet metal production

Publications (1)

Publication Number Publication Date
CN212598374U true CN212598374U (en) 2021-02-26

Family

ID=74751957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020889039.4U Active CN212598374U (en) 2020-05-22 2020-05-22 Bending machine for sheet metal production

Country Status (1)

Country Link
CN (1) CN212598374U (en)

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