CN114346006B

CN114346006B - Panel bending device and lamp post forming method

Info

Publication number: CN114346006B
Application number: CN202210069990.9A
Authority: CN
Inventors: 黎辉
Original assignee: SICHUAN HUATI LIGHTING TECHNOLOGY CO LTD
Current assignee: SICHUAN HUATI LIGHTING TECHNOLOGY CO LTD
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2023-05-02
Anticipated expiration: 2042-01-21
Also published as: CN114346006A

Abstract

The invention discloses a plate bending device and a lamp post forming method, wherein the bending device comprises: the limiting mechanism sequentially comprises a first limiting block, a second limiting block and a plurality of first lifting rods from bottom to top, wherein a trapezoidal groove is formed in the top of the first limiting block, a plate is placed on the first limiting block, a die is pulled inwards from the bottom of the second limiting block to form a trapezoidal pressure head, and the trapezoidal pressure head is matched with the trapezoidal groove and used for folding out a trapezoidal depression; the pressing mechanism comprises a pressing block and a plurality of second lifting rods, wherein the second lifting rods and the first lifting rods are connected to the support, the pressing block is located on two sides of the second limiting block and used for flattening the tilted plate. The technical process of bending the plate is simplified, the trapezoid recess of the plate can be directly formed by hydraulic pressure, and the efficiency of lamp post forming is improved.

Description

Panel bending device and lamp post forming method

Technical Field

The invention relates to the technical field of lamp post processing, in particular to a plate bending device and a lamp post forming method.

Background

The lamp post is mostly made of steel, the length is about tens of meters, even longer, the method generally adopted for forming the lamp post comprises cold drawing, rolling, bending and welding, and the production die and processing equipment used by the cold drawing method have high cost and are not beneficial to production; in the rolling method, the round tube needs to be polished, and the process is complicated; as shown in fig. 7, in the method for bending a plate by using a bending machine, the plate needs to be bent, turned over and turned around multiple times, which takes a long time, and the facets on two sides of the groove have a height difference after bending.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides the plate bending device and the lamp post forming method, which simplify the plate bending process flow, enable the trapezoid concave of the plate to be directly formed by hydraulic pressure, and improve the lamp post forming efficiency; the thickness problem of all panel is solved, and bending device can be used to bend the panel of multiple thickness.

In order to achieve the object of the invention, the following scheme is adopted:

a panel bending device for bending panel, two panel welding that bend are the lamp pole together, and the lamp pole cross-section is the octagon, and wherein four limits are equipped with trapezoidal sunken, and the narrower limit of trapezoidal sunken is inside towards the lamp pole, and four trapezoidal sunken interval settings, bending device includes:

the limiting mechanism sequentially comprises a first limiting block, a second limiting block and a plurality of first lifting rods from bottom to top, wherein a trapezoidal groove is formed in the top of the first limiting block, a plate is placed on the first limiting block, a die is pulled inwards from the bottom of the second limiting block to form a trapezoidal pressure head, and the trapezoidal pressure head is matched with the trapezoidal groove and used for folding out a trapezoidal depression;

the pressing mechanism comprises a pressing block and a plurality of second lifting rods, wherein the second lifting rods and the first lifting rods are connected to the support, the pressing block is located on two sides of the second limiting block and used for flattening the tilted plate.

Further, two briquetting tops are together through the horizontal plate, and first lifter runs through the horizontal plate.

Further, still including the supporting mechanism who is located the support both sides, supporting mechanism includes a plurality of fourth telescopic links and cylindricality bracing piece, and the fourth telescopic link slope sets up on supporting the slide, and supporting slide bottom is equipped with the slide rail, and fourth telescopic link top is connected in cylindricality bracing piece lateral wall, and the cylindricality bracing piece is used for supporting panel.

Further, still include the fixture that is located the supporting mechanism outside, fixture includes fifth lifter, sixth telescopic link and splint, and fifth lifter top is located perpendicularly to sixth telescopic link, and sixth telescopic link one end is located to splint for the centre gripping removes panel.

Further, the device also comprises pushing mechanisms symmetrically arranged on two sides of the first limiting block, wherein each pushing mechanism comprises a pushing block and a plurality of third telescopic rods, the top of the first limiting block is drawn inwards to form a trapezoid supporting body, and the pushing blocks can slide on the side surfaces of the trapezoid supporting body through the third telescopic rods.

Further, when the pushing block moves to the highest point, two opposite sides of the pushing block and the top of the trapezoid supporting body form a trapezoid groove, and the top of the pushing block is matched with the bottom of the pressing block.

Further, the device also comprises a V-shaped pressure head and a V-shaped support body.

The method for forming the street lamp post adopts the plate bending device, and comprises the following steps:

s1, folding a first trapezoid concave

Placing the plate on a first limiting block, clamping the plate by a clamping plate to move the plate to a first position, and moving a support sliding plate to a preset position along a sliding rail, wherein a cylindrical support rod abuts against the bottom of the plate;

the first lifting rod is used for enabling the second limiting block to descend and press the plate, the third telescopic rod is used for moving the pushing block to enable the end portion of the plate to tilt, after the pushing block moves to the highest point, the second lifting rod is used for enabling the pressing block to descend and flattening the tilted plate, and the first trapezoid recess is folded;

s2, folding a second trapezoid concave

The pushing block, the pressing block and the second limiting block return to the initial state, the plate is clamped by using the clamping plate and lifted, then the plate is moved to a second position, and the step of folding out the second trapezoid recess is the same as that of the first trapezoid recess;

s3, continuously bending the plate by adopting a plate bending device

After the second trapezoid concave is folded, transferring the plate to a plate bending device with the trapezoid pressure head replaced by the V-shaped pressure head and the trapezoid support body replaced by the V-shaped support body, and placing the opening of the trapezoid concave downwards;

sequentially moving the plate to a third position, a fourth position, a fifth position and a sixth position by using a clamping mechanism, and making V-shaped bending on the plate by using the cooperation of a limiting mechanism, a supporting mechanism and a pushing mechanism at each position;

s4, welding the two bent plates together.

Further, in the process of tilting the end part of the plate, the cylindrical supporting rod is lifted by the fourth telescopic rod, so that the cylindrical supporting rod always abuts against the plate, and in the process of flattening the plate, the cylindrical supporting rod also always abuts against the plate.

Further, two of the V-shaped bends are positioned on two sides of the trapezoidal recess.

The invention has the beneficial effects that:

1. the invention adds a forming die, one set of upper die comprises a pressing block and a second limiting block, which are used for controlling the final external dimension, and two sets of lower die comprise a first limiting block and two pushing blocks, wherein the first limiting block ensures the middle plane, and the pushing blocks are used for forming the side surfaces.

2. The supporting mechanism can support the horizontally placed plates and can also be used for supporting the plates which are tilted, so that the stability of the plates is greatly improved, the plates are prevented from being deformed due to gravity after being tilted, the labor force required by people to hold the plates is also saved, and potential safety hazards are avoided.

Drawings

FIG. 1 is a block diagram of a plate bending device according to an embodiment;

FIG. 2 is a cross-sectional view of an embodiment of a sheet bending device;

FIG. 3 is a block diagram of an embodiment of a plate disposed on a first stop block;

FIG. 4 is a block diagram of an embodiment in which the pusher block is moved to the highest point;

FIG. 5 is a block diagram of the press block depression of the embodiment;

FIG. 6 is a block diagram of an embodiment wherein two trapezoidal depressions are folded in a sheet material;

FIG. 7 is a flow chart of a prior art sheet bending;

FIG. 8 is a flow chart of an embodiment of a sheet bending;

fig. 9 is a schematic diagram of a cross-sectional structure of a lamp post according to an embodiment.

Detailed Description

Example 1

As shown in fig. 9, there is a lamp post 6 with an octagonal cross section, four sides of the lamp post 6 are provided with trapezoidal depressions 61, the narrow sides of the trapezoidal depressions 61 face the inside of the lamp post 6, the four trapezoidal depressions 61 are arranged at intervals, that is to say, four sides with the trapezoidal depressions 61 are all four straight sides, when the lamp post 6 is produced, two plates 4 are required to be bent, and then the two plates 4 are bent and welded together, as shown in fig. 1, the embodiment provides a plate bending device for bending the plates 4, and the bending device comprises a limiting mechanism and a pressing mechanism 2.

Specifically, as shown in fig. 2, the limiting mechanism sequentially comprises a first limiting block 11, a second limiting block 12 and a plurality of first lifting rods 13 from bottom to top, wherein a trapezoidal groove 111 is formed at the top of the first limiting block 11, the first limiting block 11 is used for horizontally placing the plate 4, a trapezoidal pressure head 121 is formed by drawing a die inwards at the bottom of the second limiting block 12, and the trapezoidal pressure head 121 is matched with the trapezoidal groove 111 and used for folding out the trapezoidal recess 61.

Specifically, the pushing mechanism 2 includes briquetting 21, a plurality of second lifter 22, and second lifter 22, first lifter 13 all are connected in support 5, and briquetting 21 is located second stopper 12 both sides, and two briquetting 21 tops link together through horizontal plate 23, and first lifter 13 runs through horizontal plate 23, and briquetting 21 is used for flattening wandered panel 4.

More specifically, the pushing mechanism 3 is symmetrically arranged at two sides of the first limiting block 11, the pushing mechanism 3 comprises a pushing block 31 and a plurality of third telescopic rods 32, the top of the first limiting block 11 is drawn inwards to form a trapezoid supporting body 112, the pushing block 31 can slide on the side surface of the trapezoid supporting body 112 through the third telescopic rods 32, when the pushing block 31 moves to the highest point, two opposite side edges of the pushing block 31 and the top of the trapezoid supporting body 112 form a trapezoid groove 111, and the top of the pushing block 31 is matched with the bottom of the pressing block 21.

In general, the bending machine in the prior art is a set of dies adapted from top to bottom, while the upper die in this embodiment includes a pressing block 21 and a second limiting block 12 for controlling the final overall dimension, and two sets of lower dies including a first limiting block 11 and two pushing blocks 31, the first limiting block 11 ensuring a middle plane, and the pushing blocks 31 being used for forming side surfaces, and this structure makes this embodiment capable of solving the thickness problem of all the boards 4 for bending boards 4 of 3 mm and other thicknesses.

More specifically, it is considered that the plate 4 may be deformed by gravity after tilting; in addition, before the plate 4 is bent in the prior art, the plate 4 is supported by manpower, manpower is consumed, potential safety hazards exist, the plate 4 horizontally placed by the support mechanism 7 can be supported by the support mechanism 7, the plate 4 can be supported by the support mechanism 7, the stability of the plate 4 is greatly improved, the support mechanism 7 comprises a plurality of fourth telescopic rods 71 and cylindrical support rods 72, the fourth telescopic rods 71 are obliquely arranged on the support sliding plate 73, sliding rails 74 are arranged at the bottom of the support sliding plate 73, the tops of the fourth telescopic rods 71 are connected to the side walls of the cylindrical support rods 72, and the cylindrical support rods 72 are propped against the lower surface of the plate 4.

More specifically, in order to facilitate moving the plate 4 and to a preset position, the present embodiment further includes a clamping mechanism 8 located outside the supporting mechanism 7, where the clamping mechanism 8 includes a fifth lifting rod 81, a sixth telescopic rod 82 and a clamping plate 83, the sixth telescopic rod 82 is vertically disposed at the top of the fifth lifting rod 81, and the clamping plate 83 is disposed at one end of the sixth telescopic rod 82 and is used for clamping the moving plate 4.

In addition, the power sources of the telescopic rod and the lifting rod according to the embodiment may be an air cylinder, an oil cylinder, or the like.

Example 2

The present embodiment provides another board bending device, and the structure of the present embodiment 2 is substantially the same as that of the embodiment 1, except that: in this embodiment 2, the pressing mechanism 2 is not provided, and the pressing mechanism 3 is provided with a limiting mechanism, a supporting mechanism 7 and a pushing mechanism, wherein the trapezoidal pressing head 121 is replaced by a V-shaped pressing head, and the trapezoidal supporting body 112 is replaced by a V-shaped supporting body.

Example 3

As shown in fig. 5, this embodiment provides a method for forming a street lamp pole, which adopts the plate bending device of embodiment 1, and the forming method includes the following steps:

s1, folding out a first trapezoid recess 61

As shown in fig. 3, the plate 4 is placed on the first limiting block 11, the clamping plate 83 clamps the plate 4 to move to the first position, the supporting slide plate 73 moves to a preset position along the slide rail 74, and the cylindrical supporting rod 72 abuts against the bottom of the plate 4;

the first lifting rod 13 makes the second limiting block 12 descend and press the plate 4, as shown in fig. 4, the third telescopic rod 32 moves the pushing block 31 to enable the end part of the plate 4 to lift, and in the process of lifting the end part of the plate 4, the fourth telescopic rod 71 is utilized to enable the cylindrical supporting rod 72 to lift, so that the cylindrical supporting rod always abuts against the plate 4;

as shown in fig. 5, after the pushing block 31 moves to the highest point, the second lifting rod 22 descends the pressing block 21 and flattens the tilted plate 4, and the first trapezoid recess 61 is folded, so that the cylindrical supporting rod 72 always abuts against the plate 4 in the process of flattening the plate 4;

s2, folding out a second trapezoid recess 61

The pushing block 31, the pressing block 21 and the second limiting block 12 return to the initial state, the clamping plate 83 clamps the plate 4 and lifts the plate, then the plate 4 is moved to the second position, the step of folding out the second trapezoidal recess 61 is the same as that of the first trapezoidal recess 61, the first lifting rod 13 enables the second limiting block 12 to descend and press the plate 4, the third telescopic rod 32 moves the pushing block 31 to enable the end of the plate 4 to lift, after the pushing block 31 moves to the highest point, the second lifting rod 22 enables the pressing block 21 to descend and flatten the lifted plate 4, and the second trapezoidal recess 61 is folded out, as shown in fig. 6;

s3, continuously bending the plate 4 by adopting the plate bending device in the embodiment 2

After folding out the second trapezoidal recess 61, the sheet material 4 is transferred to the sheet material bending apparatus in embodiment 2, and the trapezoidal recess 61 is placed with its opening facing downward;

the plate 4 is sequentially moved to a third position, a fourth position, a fifth position and a sixth position by using a clamping mechanism 8, V-shaped bends are formed on the plate 4 by using the cooperation of a limiting mechanism, a supporting mechanism 7 and a pushing mechanism 3 at each position, wherein the two V-shaped bends are positioned at two sides of a trapezoid recess 61;

s4, welding the two bent plates 4 together.

As shown in FIG. 7, (1) - (8) are the prior art steel plate bending flow charts, only two trapezoid recesses 61 are formed after 8 times of bending, as shown in FIG. 8, the two trapezoid recesses 61 are formed by only two steps I-II, the production efficiency of products is greatly improved, the consistency of the products is good, the bending procedures III-VI are the same as the original ones, but the bending device is different from the original one, the bending device of the embodiment 1 is firstly used for bending the two trapezoid recesses 61, and then the bending device of the embodiment 2 is used for completing V-shaped bending by the cooperation of the limiting mechanism, the supporting mechanism 7 and the pushing mechanism 3.

The above embodiments are merely for illustrating the technical ideas and features of the present invention, and are not meant to be exclusive or limiting. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.

Claims

1. The utility model provides a panel bending device, its characterized in that is used for bending panel (4), and two panel (4) welding that bend are lamp pole (6) together, and lamp pole (6) cross-section is octagon, and wherein four limits are equipped with trapezoidal sunken (61), and the narrower limit of trapezoidal sunken (61) is inside towards lamp pole (6), and four trapezoidal sunken (61) interval settings, bending device include:

the limiting mechanism sequentially comprises a first limiting block (11), a second limiting block (12) and a plurality of first lifting rods (13) from bottom to top, wherein the first limiting block (11) is used for placing a plate (4), and the bottom of the second limiting block (12) is drawn inwards to form a trapezoid pressure head (121);

the pressing mechanism (2) comprises pressing blocks (21) and a plurality of second lifting rods (22), wherein the second lifting rods (22) and the first lifting rods (13) are connected to the support (5), the pressing blocks (21) are positioned on two sides of the second limiting block (12), the tops of the two pressing blocks (21) are connected together through a horizontal plate (23), and the first lifting rods (13) penetrate through the horizontal plate (23);

the support mechanism (7) is positioned at two sides of the support (5), the support mechanism (7) comprises a plurality of fourth telescopic rods (71) and cylindrical support rods (72), the fourth telescopic rods (71) are obliquely arranged on the support sliding plate (73), sliding rails (74) are arranged at the bottoms of the support sliding plate (73), the tops of the fourth telescopic rods (71) are connected to the side walls of the cylindrical support rods (72), and the cylindrical support rods (72) are used for supporting the plates (4);

the pushing mechanism (3) is symmetrically arranged on two sides of the first limiting block (11), the pushing mechanism (3) comprises a pushing block (31) and a plurality of third telescopic rods (32), the top of the first limiting block (11) is drawn inwards to form a trapezoidal support body (112), the pushing block (31) can slide on the side face of the trapezoidal support body (112) through the third telescopic rods (32), when the pushing block (31) moves to the highest point, two opposite sides of the pushing block (31) and the top of the trapezoidal support body (112) form a trapezoidal groove (111), a trapezoidal pressing head (121) is matched with the trapezoidal groove (111) and used for folding out a trapezoidal depression (61), and the top of the pushing block (31) is matched with the bottom of the pressing block (21) and used for flattening a tilted plate (4).

2. The plate bending device according to claim 1, further comprising a clamping mechanism (8) located outside the supporting mechanism (7), wherein the clamping mechanism (8) comprises a fifth lifting rod (81), a sixth telescopic rod (82) and a clamping plate (83), the sixth telescopic rod (82) is vertically arranged at the top of the fifth lifting rod (81), and the clamping plate (83) is arranged at one end of the sixth telescopic rod (82) and used for clamping the movable plate (4).

3. The sheet bending device of claim 2, further comprising a V-shaped ram and a V-shaped support.

4. A method for forming a street lamp post, characterized in that the plate bending device of claim 3 is adopted, and the forming method comprises the following steps:

s1, folding a first trapezoid concave (61)

Placing the plate (4) on a first limiting block (11), clamping the plate (4) by a clamping plate (83) to move the plate to a first position, and moving a supporting sliding plate (73) to a preset position along a sliding rail (74), wherein a cylindrical supporting rod (72) is abutted against the bottom of the plate (4);

the second limiting block (12) is lowered by the first lifting rod (13) and presses the plate (4), the pushing block (31) is moved by the third telescopic rod (32) to enable the end part of the plate (4) to tilt, after the pushing block (31) is moved to the highest point, the pressing block (21) is lowered by the second lifting rod (22) and presses the tilted plate (4) flat, and the first trapezoid recess (61) is folded;

s2, folding a second trapezoid concave (61)

The pushing block (31), the pressing block (21) and the second limiting block (12) return to the initial state, the plate (4) is clamped by the clamping plate (83) and lifted, then the plate (4) is moved to a second position, and the step of folding out the second trapezoid recess (61) is the same as that of the first trapezoid recess (61);

s3, adopting a plate bending device to continue bending the plate (4)

After the second trapezoid concave (61) is folded, the plate (4) is transferred to a plate bending device after the trapezoid pressure head (121) is replaced by a V-shaped pressure head and the trapezoid support body (112) is replaced by a V-shaped support body, and the opening of the trapezoid concave (61) is downward;

the plate (4) is sequentially moved to a third position, a fourth position, a fifth position and a sixth position by using a clamping mechanism (8), and V-shaped bending is performed on the plate (4) by using the cooperation of a limiting mechanism, a supporting mechanism (7) and a pushing mechanism (3) at each position;

s4, welding the two bent plates (4) together.

5. A street lamp pole shaping method as claimed in claim 4, characterized in that the cylindrical support rod (72) is lifted by means of the fourth telescopic rod (71) during tilting of the end of the plate (4) so that it always abuts against the plate (4), and the cylindrical support rod (72) also always abuts against the plate (4) during flattening of the plate (4).

6. A street light pole shaping method according to claim 4, wherein two V-shaped folds are located on both sides of the trapezoidal recess (61).