CN114346006A

CN114346006A - Plate bending device and lamp post forming method

Info

Publication number: CN114346006A
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: 2022-04-15
Anticipated expiration: 2042-01-21
Also published as: CN114346006B

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, a trapezoidal groove is formed in the top of the first limiting block, a plate is placed on the first limiting block, the bottom of the second limiting block is inwardly pulled to form a trapezoidal pressure head, and the trapezoidal pressure head is matched with the trapezoidal groove and used for folding out a trapezoidal recess; push down the mechanism, including briquetting, a plurality of second lifter, first lifter all connect in the support, and the briquetting is located second stopper both sides for flatten the panel of perk. Simplify the process flow that panel was bent, make the trapezoidal sunken direct hydraulic forming of panel, improve the fashioned efficiency of lamp pole.

Description

Plate 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

Most lamp posts are made of steel, the length is about tens of meters, and even longer, the lamp post is usually formed by cold drawing, rolling, bending and welding and the like, and production molds and processing equipment used in the cold drawing method have high cost and are not beneficial to production; in the rolling method, the circular tube needs to be polished, and the process is complicated; as shown in fig. 7, in the forming method of bending a plate by using a bending machine, it takes a long time to bend, turn over, and turn around many times, and there is a height difference between facets on both sides of a groove after bending.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the plate bending device and the lamp post forming method, which simplify the process flow of plate bending, enable the trapezoidal depression of the plate to be directly formed by hydraulic pressure, and improve the forming efficiency of the lamp post; the problem of the thickness of all panels is solved, and the bending device can be used for bending panels with various thicknesses.

In order to realize the purpose of the invention, the following scheme is adopted:

the utility model provides a panel bending device for bend 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 intervals set up, and 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, a trapezoidal groove is formed in the top of the first limiting block, a plate is placed on the first limiting block, the bottom of the second limiting block is inwardly pulled to form a trapezoidal pressure head, and the trapezoidal pressure head is matched with the trapezoidal groove and used for folding out a trapezoidal recess;

push down the mechanism, including briquetting, a plurality of second lifter, first lifter all connect in the support, and the briquetting is located second stopper both sides for flatten the panel of perk.

Furthermore, the tops of the two pressing blocks are connected together through a horizontal plate, and the first lifting rod penetrates 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 the slide bottom and being equipped with the slide rail, and the fourth telescopic link top is connected in cylindricality bracing piece lateral wall, and the cylindricality bracing piece is used for supporting panel.

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

Further, still locate the pushing mechanism of first stopper both sides including the symmetry, pushing mechanism is including promoting piece, a plurality of third telescopic link, and the inside draft in first stopper top forms trapezoidal supporter, promotes the piece and can slide on trapezoidal supporter side through the third telescopic link.

Further, when the pushing block moves to the highest point, two opposite side edges of the pushing block and the top of the trapezoidal support body form a trapezoidal groove, and the top of the pushing block is matched with the bottom of the pressing block.

Furthermore, the trapezoidal pressure head is replaced by a V-shaped pressure head, and the trapezoidal support body is replaced by a V-shaped support body.

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

s1 folding the first trapezoidal recess

The plate is placed on the first limiting block, the clamping plate clamps the plate and moves the plate to a first position point, the supporting sliding plate moves to a preset position along the sliding rail, and the cylindrical supporting 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 moves the pushing block to enable the end portion of the plate to tilt, and after the pushing block moves to the highest point, the second lifting rod is used for enabling the pressing block to descend and press the tilted plate to be flat, and a first trapezoidal recess is formed by folding;

s2 folding the second trapezoidal recess

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

s3, adopting another plate bending device to continuously bend the plate

After the second trapezoidal recess is folded, transferring the plate to the plate bending device, wherein the opening of the trapezoidal recess is placed downwards;

the plate is sequentially moved to a third site, a fourth site, a fifth site and a sixth site by using the clamping mechanism, and at each site, the plate is bent in a V shape by using the matching of the limiting mechanism, the supporting mechanism and the pushing mechanism;

and S4, welding the two bent plates together.

Furthermore, in the process of tilting the end part of the plate, the fourth telescopic rod is used for lifting the cylindrical supporting rod, so that the cylindrical supporting rod always supports against the plate, and in the process of flattening the plate, the cylindrical supporting rod also always supports against the plate.

Furthermore, two 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, wherein one set of upper die comprises a pressing block and a second limiting block and is used for controlling the final appearance size, and the other set of lower die comprises a first limiting block and two pushing blocks, the first limiting block ensures a middle plane, the pushing blocks are used for forming side surfaces, the structure can enable trapezoidal depressions to be directly hydraulically formed, only two steps are used for folding out the two trapezoidal depressions, and then the final product is bent, so that the efficiency is improved by 50%, the product consistency is good, the thickness problem of all plates can be solved, and the plate bending die is used for bending plates with 3 mm and other thicknesses.

2. The supporting mechanism can support the horizontally placed plates and can also be used for supporting the raised plates, the stability of the plates is greatly improved, the plates are prevented from being deformed due to gravity after being raised, manpower for holding the plates by people is saved, and potential safety hazards are avoided.

Drawings

FIG. 1 is a structural view of a plate bending apparatus according to an embodiment;

FIG. 2 is a cross-sectional view of a sheet bending apparatus according to an embodiment;

FIG. 3 is a structural diagram of a plate placed on a first stopper according to an embodiment;

FIG. 4 is a block diagram of the embodiment with the pushing block moved to the highest point;

FIG. 5 is a view showing the construction of the pressing of the briquette according to the embodiment;

FIG. 6 is a view showing the structure of two trapezoidal recesses folded on the plate material of the embodiment;

FIG. 7 is a flow chart of bending a plate material in the prior art;

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

fig. 9 is a cross-sectional structure diagram of the lamp post of the embodiment.

Detailed Description

Example 1

As shown in fig. 9, there is a lamp post 6 with an octagonal cross section, wherein four sides are provided with trapezoidal recesses 61, the narrow side of the trapezoidal recess 61 faces the inside of the lamp post 6, the four trapezoidal recesses 61 are arranged at intervals, that is, four straight sides are provided, and four sides are provided with the trapezoidal recesses 61, when producing the lamp post 6, two plates 4 are needed, the plates 4 are firstly 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 includes a limiting mechanism 1 and a pressing mechanism 2.

Specifically, as shown in fig. 2, the limiting mechanism 1 sequentially comprises a first limiting block 11, a second limiting block 12 and a plurality of first lifting rods 13 from bottom to top, a trapezoidal groove 111 is formed in the top of the first limiting block 11, the first limiting block 11 is used for horizontally placing the plate 4, an inward drawing die at the bottom of the second limiting block 12 forms a trapezoidal pressure head 121, 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 comprises a pressing block 21 and a plurality of second lifting rods 22, the second lifting rods 22 and the first lifting rods 13 are connected to the support 5, the pressing block 21 is located 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, the first lifting rods 13 penetrate through the horizontal plate 23, and the pressing block 21 is used for flattening the warped plates 4.

More specifically, still including the pushing mechanism 3 of locating first stopper 11 both sides symmetrically, pushing mechanism 3 is including pushing piece 31, a plurality of third telescopic link 32, the inside draft at first stopper 11 top forms trapezoidal supporter 112, pushes piece 31 and can slide on trapezoidal supporter 112 side through third telescopic link 32 and when pushing piece 31 removes to the peak, pushes two relative sides of piece 31, trapezoidal supporter 112 top and constitutes trapezoidal recess 111, pushes piece 31 top and briquetting 21 bottom adaptation.

Under general conditions, prior art's bender is one set of mould of upper and lower adaptation, and mould one set on this embodiment, goes up the mould and includes briquetting 21 and second stopper 12 for control final overall dimension, and there are two sets of lower moulds in addition, and the lower mould includes first stopper 11 and two promotion pieces 31, and first stopper 11 guarantees the midplane, promotes piece 31 and is used for the shaping side, and this kind of structure makes this embodiment can solve the thickness problem of all panel 4, is used for bending panel 4 of 3 millimeters and other thickness.

More specifically, it is considered that the sheet 4 may be deformed by gravity after being tilted; in addition, before plate 4 is bent in prior art, all the manpower is to hold plate 4, not only consume the manpower, still there are some potential safety hazards, this embodiment is still including the supporting mechanism 7 that is located 5 both sides of support, supporting mechanism 7 can support the plate 4 that the level was put, also can be used to support the plate 4 of perk, very big improvement the stability of plate 4, supporting mechanism 7 includes a plurality of fourth telescopic links 71 and cylindricality bracing piece 72, fourth telescopic link 71 slope sets up on supporting slide 73, supporting slide 73 bottom is equipped with slide rail 74, fourth telescopic link 71 top is connected in cylindricality bracing piece 72 lateral wall, cylindricality bracing piece 72 supports at plate 4 lower surface.

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

In addition, the power source of the telescopic rod and the lifting rod related to the embodiment can be an air cylinder, an oil cylinder and the like.

Example 2

The present embodiment provides another plate 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 limiting mechanism 1, the supporting mechanism 7 and the pushing mechanism 3 are provided, the trapezoidal pressing head 121 is replaced by a V-shaped pressing head 121 ', and the trapezoidal supporting body 112 is replaced by a V-shaped supporting body 112'.

Example 3

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

s1, folding the first trapezoidal recess 61

As shown in fig. 3, the plate 4 is placed on the first stopper 11, the clamping plate 83 clamps the plate 4 and moves the plate 4 to the first position, the support sliding plate 73 moves to the preset position along the sliding rail 74, and the cylindrical support rod 72 abuts against the bottom of the plate 4;

the first lifting rod 13 enables the second limiting block 12 to descend and press the plate 4, as shown in fig. 4, the third telescopic rod 32 moves the pushing block 31 to tilt the end of the plate 4, and in the process of tilting the end of the plate 4, the fourth telescopic rod 71 is utilized to raise the cylindrical supporting rod 72 to enable the cylindrical supporting rod to always abut against the plate 4;

as shown in fig. 5, after the pushing block 31 moves to the highest point, the second lifting rod 22 lowers the pressing block 21 and flattens the tilted plate 4 to form a first trapezoidal depression 61, and the cylindrical support rod 72 always supports against the plate 4 in the process of flattening the plate 4;

s2, folding out the second trapezoidal 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 and lifts the plate 4, then the plate 4 is moved to the second position point, the step of folding out the second trapezoidal depression 61 is the same as that of the first trapezoidal depression 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 part of the plate 4 to be tilted, and 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 tilted plate 4, and the second trapezoidal depression 61 is folded out, as shown in fig. 6;

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

After the second trapezoidal recess 61 is folded, the plate 4 is transferred to the plate bending device in example 2, and the opening of the trapezoidal recess 61 is placed downwards;

the plate 4 is sequentially moved to a third site, a fourth site, a fifth site and a sixth site by using the clamping mechanism 8, and at each site, V-shaped bends are formed on the plate 4 by using the matching of the limiting mechanism 1, the supporting mechanism 7 and the pushing mechanism 3, wherein two V-shaped bends are positioned at two sides of the trapezoidal recess 61;

and S4, welding the two bent plates 4 together.

As shown in fig. 7, firstly to eighty percent (r) are steel plate bending flow charts of the prior art, and after 8 times of bending, only two trapezoidal recesses 61 are formed, as shown in fig. 8, in the embodiment, only two steps of i to ii are used to fold out the two trapezoidal recesses 61, so that the production efficiency of products is greatly improved, the product consistency is good, the bending processes of iii to vi are the same as the prior art, but the used bending device is different from the prior art, in the embodiment, the bending device of embodiment 1 is used to fold out the two trapezoidal recesses 61, and then the bending device of embodiment 1 is used to complete V-shaped bending by matching of the limiting mechanism 1, the supporting mechanism 7 and the pushing mechanism 3.

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

Claims

1. The utility model provides a panel bending device, its characterized in that for bend panel (4), two panel (4) welds together for lamp pole (6) that bend, and lamp pole (6) cross-section is the octagon, and wherein four limits are equipped with trapezoidal sunken (61), and inside trapezoidal sunken (61) narrower limit orientation lamp pole (6), four trapezoidal sunken (61) intervals set up, and bending device includes:

the limiting mechanism (1) sequentially comprises a first limiting block (11), a second limiting block (12) and a plurality of first lifting rods (13) from bottom to top, a trapezoidal groove (111) is formed in the top of the first limiting block (11), a plate (4) is placed on the first limiting block (11), a trapezoidal pressure head (121) is formed by inward drawing of 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 a trapezoidal recess (61);

push down mechanism (2), including briquetting (21), a plurality of second lifter (22), first lifter (13) all connect in support (5), and briquetting (21) are located second stopper (12) both sides for flatten the panel (4) of perk.

2. The device for bending sheet metal according to claim 1, wherein the two press blocks (21) are connected together at the top by a horizontal plate (23), and the first lifting rod (13) penetrates through the horizontal plate (23).

3. The plate bending device according to claim 1, further comprising support mechanisms (7) located on two sides of the support (5), wherein each 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 plates (73), sliding rails (74) are arranged at the bottoms of the support sliding plates (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).

4. The plate bending device according to claim 3, 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 the other end of the sixth telescopic rod (82) and used for clamping and moving the plate (4).

5. The plate bending device according to any one of claims 1 to 4, further comprising pushing mechanisms (3) symmetrically arranged on two sides of the first limiting block (11), wherein the pushing mechanisms (3) comprise pushing blocks (31) and a plurality of third telescopic rods (32), the tops of the first limiting blocks (11) are inwardly drawn to form trapezoidal supporting bodies (112), and the pushing blocks (31) can slide on the side faces of the trapezoidal supporting bodies (112) through the third telescopic rods (32).

6. The plate bending device according to claim 5, wherein when the pushing block (31) moves to the highest point, two opposite side edges of the pushing block (31) and the top of the trapezoidal support body (112) form a trapezoidal groove (111), and the top of the pushing block (31) is matched with the bottom of the pressing block (21).

7. Panel bending device according to claim 5 or 6, wherein the trapezoidal ram (121) is replaced by a V-ram (121 ') and the trapezoidal support (112) is replaced by a V-support (112').

8. A method for forming a street lamp post, which is characterized in that the plate bending device of claim 5 or 6 is adopted, and the method comprises the following steps:

s1 folding the first trapezoidal recess (61)

The plate (4) is placed on the first limiting block (11), the clamping plate (4) is clamped by the clamping plate (83) and moved to a first position point, the supporting sliding plate (73) moves to a preset position along the sliding rail (74), and the cylindrical supporting rod (72) abuts against the bottom of the plate (4);

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

s2 folding a second trapezoidal recess (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 point, and the step of folding out the second trapezoidal recess (61) is the same as that of the first trapezoidal recess (61);

s3, bending the plate continuously by another plate bending device (4)

After the second trapezoidal recess (61) is folded, the plate (4) is transferred to the plate bending device according to claim 7, and the trapezoidal recess (61) is placed with the opening facing downwards;

the plate (4) is sequentially moved to a third site, a fourth site, a fifth site and a sixth site by using a clamping mechanism (8), and at each site, the plate (4) is bent in a V shape by using the matching of a limiting mechanism (1), a supporting mechanism (7) and a pushing mechanism (3);

and S4, welding the two bent plates (4) together.

9. The molding method of street light pole according to claim 8, characterized in that the fourth telescopic rod (71) is used to raise the cylindrical support rod (72) to always abut against the plate (4) during the tilting process of the end of the plate (4), and the cylindrical support rod (72) always abuts against the plate (4) during the flattening process of the plate (4).

10. Method for forming a street light pole according to claim 8, characterized in that the two V-shaped bends are located on both sides of the trapezoidal recess (61).