CN220005652U - Metal plate flattening and bending die - Google Patents

Abstract

The utility model provides a metal plate flattening and bending die, which relates to the technical field of aluminum alloy processing and is used for the metal plate flattening and bending die, and the metal plate flattening and bending die comprises: the operation panel is fixed in last mould, U type frame and the bed die of operation panel, go up the mould setting in the top of bed die, the operation panel is fixed with two square poles of symmetry, every square pole sliding connection has the movable plate. According to the utility model, a person operates the adjusting screw rod to drive the movable plate to move on the operating platform, so that the distance between the movable plate and the bending end can be adjusted, different bending widths can be adjusted according to actual bending requirements, and the person operates the limiting mechanism on the movable block, and adjusts different distances between the abutting plates according to the length of the sheet metal part to be bent by adjusting the points of the movable block, which are positioned on the long rod, on the basis of the length of the sheet metal part to be bent, so that the positioning length and the width of the abutting plate on the sheet metal part can be adjusted, and the sheet metal part bending positioning device is suitable for bending positioning of sheet metal parts with different sizes.

Description

Metal plate flattening and bending die

Technical Field

The utility model relates to the technical field of aluminum alloy processing, in particular to a sheet metal flattening and bending die.

Background

The metal plate has the characteristics of light weight, high strength, conductivity, low cost, high mass productivity and the like, and is widely applied to the fields of electronic appliances, communication, automobile industry, medical appliances and the like, for example, in computer cases, mobile phones and MP3, and the metal plate is an indispensable component. Along with the wider and wider application of the sheet metal, the design of the sheet metal part becomes an important ring in the product development process, and mechanical engineers must be skilled in mastering the design skills of the sheet metal part, so that the designed sheet metal not only meets the requirements of functions, appearance and the like of the product, but also has the advantages of simple manufacturing and low cost.

Chinese patent CN113751605a discloses a method for manufacturing a narrow side of a box-shaped hollow member by one-step bending and forming, which comprises the following steps: step one: positioning the box-shaped hollow part sheet metal part on the positioning block; step two: the driving rod drives the moving block to move forwards, so that the core rod is inserted into the inner cavity of the sheet metal part of the box-shaped hollow part; step three: clamping and fixing the box-shaped hollow piece nut piece between the core rods; step four: the upper die body is driven to move downwards relative to the lower die body, the bending block guide plate and the bending block fixing needle extrude the eccentric bending block to rotate so as to flatten the wing plate, and the side surface of the lower jacking block extrudes the narrow edge of the sheet metal part to form flattened threads, so that the box-shaped hollow part is manufactured; step five: the upper die body driving part drives the upper die block to move upwards, the eccentric bending block resets under the action of gravity, and the lower die block resets under the action of a spring; step six: the driving rod drives the moving block to return to the initial position, the box-shaped hollow piece is taken down, and the process is finished.

However, the existing sheet metal blank pressing bending die does not have a positioning function during processing, a bending width is inconvenient to determine, the bending position is easy to slide when a bending sheet metal part is pressed down, bending position deviation is caused, the bending width is inconsistent, the next flattening operation cannot be performed, more defective products are generated, and the technical problem of production and processing of the sheet metal part is not facilitated.

Disclosure of Invention

In view of the above, the present utility model is directed to a sheet metal flattening and bending die, which solves all or one of the above-mentioned problems in the prior art.

Based on the above object, the utility model provides a sheet metal flattening and bending die for flattening and bending a sheet metal part, the sheet metal flattening and bending die comprises: the operation panel, install in last mould, U type frame and the bed die of operation panel, go up the mould and be located the top of bed die, the back symmetry of operation panel is fixed with two square poles, two square pole sliding connection has the movable plate, the movable plate is fixed with the stock through two extension boards, the surface sliding connection of stock has five movable blocks, every the movable block is provided with stop gear, every the movable block all is fixed with the butt plate that is the L type, the one end surface slip of butt plate is at the top of bed die, the operation panel is fixed with the riser, there is adjusting screw at the middle part of riser through threaded connection, adjusting screw's one end is passed through the bearing and is rotated the surface of connection at the movable plate, adjusting screw's the other end is fixed with the knob.

Optionally, two hydraulic cylinders are symmetrically fixed at the top of the U-shaped frame, and the output end of each hydraulic cylinder is fixedly connected with the upper die.

Optionally, the bottom of the upper die is a bending end, the upper die is provided with a flattening end, and the flattening end is matched with the top of the lower die.

Optionally, two slide bars and a limiting plate fixed on the slide bars are symmetrically fixed on the top of the upper die, and the slide bars penetrate through the U-shaped frame in a sliding mode.

Optionally, stop gear includes the arc, the movable block is equipped with the spout, arc sliding connection is in the spout, a fixed surface of arc has the rubber pad, the surface in close contact with of rubber pad and stock, the arc is connected with fastening screw through the bearing rotation, fastening screw's one end runs through the movable block and be fixed with the knob on the fastening screw, fastening screw and movable block threaded connection.

Optionally, the arc is fixed with two symmetrical locating levers, the one end sliding connection of locating lever is in the spout, the other end sliding of locating lever runs through the movable block.

Optionally, the movable block is provided with two symmetrical through openings, two through openings are matched with the positioning rod, and the through openings are communicated with the sliding groove.

Optionally, the movable plate is rotatably connected with a round rod through a pin shaft, and the round rod slides on the top of the operating platform.

Optionally, the movable plate is provided with two symmetrical square grooves, the square grooves are matched with square rods, and the square rods are fixed with limiting plates.

Optionally, the moving block is provided as a square block, and the moving block is slidably connected to the moving plate.

According to the sheet metal flattening and bending die, when the sheet metal flattening and bending die is used, a person can operate the adjusting screw rod to drive the moving plate to move on the operating platform, so that the distance between the moving plate and the bending end can be adjusted, and different bending widths can be adjusted according to actual bending requirements. The spacing mechanism on the personnel operation movable block can adjust different intervals between the abutting plates according to the length of the sheet metal part needing to be bent through adjusting the points of different positioning of the movable block on the long rod, so that all the abutting plates can be contacted with the bending edges of the sheet metal part, the length of the sheet metal part is short, the interval between the abutting plates is small, the length of the sheet metal part is long, the interval between the abutting plates is large, and therefore the positioning length and the width of the abutting plates to the sheet metal part are adjustable, and the sheet metal part bending positioning device is suitable for sheet metal parts of different sizes.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a perspective view of an overall structure of a sheet metal flattening and bending die provided by the utility model;

fig. 2 is a perspective view of a slide plate structure of the sheet metal flattening and bending die provided by the utility model;

FIG. 3 is a partially cut-away perspective view of a moving block for a sheet metal flattening and bending die;

fig. 4 is a perspective view of a chute structure of the sheet metal flattening and bending die provided by the utility model;

fig. 5 is a perspective view of a moving plate structure of the sheet metal flattening and bending die provided by the utility model;

wherein:

1. an operation table; 2. a U-shaped frame; 3. a lower die; 4. an upper die; 5. square bar; 6. a moving plate; 7. a long rod; 8. a moving block; 9. a limiting mechanism; 901. an arc-shaped plate; 902. a chute; 903. a rubber pad; 904. fastening a screw; 905. a positioning rod; 906. a through port; 10. a retaining plate; 11. a riser; 12. adjusting a screw; 13. a hydraulic cylinder; 14. bending the end; 15. flattening the end; 16. a slide bar; 17. a round bar; 18. a square groove.

Description of the embodiments

The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent.

It should be noted that unless otherwise defined, technical or scientific terms used in the embodiments of the present utility model should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present disclosure pertains. The terms "first," "second," and the like, as used in this disclosure, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.

Embodiment 1, as shown in fig. 1-5, the utility model provides a sheet metal flattening and bending die which is used for flattening and bending sheet metal parts. The sheet metal flattening and bending die comprises a rigid operation table 1, a U-shaped frame 2 and a lower die 3 are respectively fixed at the top of the operation table 1, and an upper die 4 is arranged above the lower die 3. The operation table 1 is fixed with two symmetrical square bars 5, and the surface of two square bars 5 is connected with a movable plate 6 in a sliding way. The back of the movable plate 6 is fixed with a long rod 7 through two support plates, and the surface of the long rod 7 is connected with five movable blocks 8 in a sliding manner. Each moving block 8 is provided with a limiting mechanism 9 and an L-shaped retaining plate 10, and one end of the retaining plate 10 slides on the top of the lower die 3. The top of the operation table 1 is fixed with a vertical plate 11, the middle part of the vertical plate 11 is connected with an adjusting screw 12 through threads, one end of the adjusting screw 12 is rotationally connected to the surface of the moving plate 6 through a bearing, and the other end of the adjusting screw 12 is fixed with a knob.

When the adjustable screw rod is used, the adjusting screw rod 12 can be rotated to drive the moving block 8 arranged on the adjustable screw rod to correspondingly move through the moving plate 6, and then the retaining plate 10 can be driven to correspondingly move, so that the positioning width of the retaining plate 10 can be adjusted. Personnel operate the stop gear 9, can adjust the fastening position of movable block 8 on stock 7 to can adjust the conflict length of the bent hem of butt plate 10 and sheet metal component, so that fix a position the sheet metal component of different length.

The working process is as follows: the adjusting screw 12 is rotated, the movable plate 6 can be driven to move on the operating platform 1 under the cooperation of the vertical plate 11, the movable plate 6 can drive the long rod 7, the movable blocks 8 arranged on the long rod 7 and the retaining plate 10 to move, and the operation limiting mechanism 9 can enable each movable block 8 to be fastened at different positions on the long rod 7, so that the length of the retaining plate 10 for positioning sheet metal parts can be adjusted.

As shown in fig. 1-5, two hydraulic cylinders 13 are symmetrically fixed at the top of the U-shaped frame 2, and the output ends of the two hydraulic cylinders 13 are fixed with the top of the upper die 4; the bottom end of the upper die 4 is a bending end 14, and one side of the upper die 4 contacted with the top of the lower die 3 is a flattening end 15. Two slide bars 16 are symmetrically fixed at the top of the upper die 4, and the top ends of the two slide bars 16 penetrate through the top of the U-shaped frame 2 in a sliding mode and are fixed with limiting plates. When the die is used, the hydraulic cylinder 13 is started, the upper die 4 can be driven to move up and down, in the process of moving the upper die 4 up and down, the slide bar 16 can limit and guide the upper die 4, the condition that the upper die 4 shakes and deviates is avoided, the bending end 14 can bend a sheet metal part, and the flattening end 15 can flatten a bent place.

The working principle here is: the hydraulic cylinder 13 can provide power for the upper die 4, so that the upper die 4 can complete bending and flattening operations under the cooperation of the lower die 3, the slide rod 16 can limit and guide the up-and-down movement of the upper die 4, the bending end 14 is matched with the groove of the lower die 3, one side of the sheet metal part can be pressed down, the bending operation is performed under the cooperation of the groove, and the flattening end 15 can realize flattening operations under the cooperation of the top plane of the lower die 3.

As shown in fig. 1-5, the limiting mechanism 9 comprises an arc-shaped plate 901, a sliding groove 902 is formed in the moving block 8, and the arc-shaped plate 901 is slidably connected in the sliding groove 902. A rubber pad 903 is fixed to one surface of the curved plate 901, and the rubber pad 903 is in close contact with the surface of the long rod 7. The surface of the arc 901 is rotatably connected with a fastening screw 904 through a bearing, one end of the fastening screw 904 penetrates through one surface of the moving block 8 and is fixed with a knob, and the fastening screw 904 is in threaded connection with the moving block 8.

Two positioning rods 905 are symmetrically fixed on the surface of the arc-shaped plate 901, one ends of the two positioning rods 905 are slidably connected in the sliding groove 902, and the other ends of the positioning rods 905 slidably penetrate through one surface of the moving block 8. Two through openings 906 are symmetrically formed in one surface of the moving block 8, the through openings 906 are matched with the positioning rods 905, and the two through openings 906 are communicated with the sliding groove 902.

When the movable block is used, the fastening screw 904 is rotated, the position where the rubber pad 903 is in close contact with the surface of the long rod 7 can be adjusted according to the requirement, and the positioning point of the movable block 8 can be adjusted, so that the distance between the abutting plates 10 can be conveniently adjusted. The positioning rod 905 is used for limiting the arc 901 when the arc 901 which is rotatably connected to one end of the fastening screw 904 correspondingly moves, so that the rotation of the arc 901 is avoided, and the through hole 906 is used for enabling the positioning rod 905 to smoothly slide and penetrate through the moving block 8.

The working principle here is: the fastening screw 904 is rotated to drive the arc 901 to correspondingly move, the arc 901 can enable the rubber pad 903 to be in close contact with the long rod 7 or to be in a separation state, the positioning point of the moving block 8 can be very conveniently adjusted, under the cooperation of the positioning rod 905 and the through hole 906, the rotation of the arc 901 is limited, the arc 901 can only move back and forth, and the through hole 906 can move in cooperation with the arc 901 to drive the movement of the positioning rod 905.

As shown in fig. 1 to 5, the bottom end of the moving plate 6 is rotatably connected with a round bar 17 through a pin shaft, and the round bar 17 slides on the top of the operating table 1. Two square grooves 18 are symmetrically formed in the surface of the moving plate 6, the square grooves 18 are matched with the square rods 5, and limiting plates are fixed at the end parts of the square rods 5. The movable block 8 is a square block, and one surface of the movable block 8 is slidably connected to the movable plate 6. In use, the round bar 17 can slide smoothly on the console 1 when the adjusting screw 12 is turned. The square rod 5 and the square groove 18 can limit the moving plate 6 which is rotated at the end part of the adjusting screw 12; the movable block 8 is a square block and is slidably connected to the movable plate 6, and the square block can enable the movable block 8 to move only on the surface of the long rod 7 but not rotate, so that the abutting plate 10 can be well limited.

The working principle here is: the round bar 17 rolls on the top of the operation table 1, so that the movable plate 6 can be conveniently and correspondingly moved; the rotating shaft rotates the movable plate 6 connected to the end part of the adjusting screw 12, so that the movable plate 6 can be easily rotated in the moving process of the adjusting screw 12, and the square rod 5 and the square groove 18 can limit the rotation of the movable plate 6 so that the movable plate can only be moved; because the long rod 7 is round, the square movable block 8 is matched with the vertical surface of the movable plate 6, and the condition that the movable block 8 rotates can be avoided.

Working principle: when the sheet metal part bending device is used, a person places one side of the sheet metal part to be bent at the top of the lower die 3, so that the side of the sheet metal part can be in contact with the surface of each retaining plate 10, and the sheet metal part can be positioned. After the positioning, a person starts the hydraulic cylinder 13, the output end of the hydraulic cylinder 13 stretches out, the upper die 4 can be driven to move downwards until the bending end 14 of the upper die 4 extrudes the sheet metal part into the groove in the lower die 3, and the sheet metal part can be bent. After bending, the output end of the hydraulic cylinder 13 is retracted, so that the upper die 4 moves upwards to be separated from contact with the sheet metal part, at the moment, a person can take down the bent sheet metal part, then the bending part of the sheet metal part is placed at the top of the upper die 4, and the lower part of the pressing end 15 is flattened.

The hydraulic cylinder 13 is started again to drive the upper die 4 to move downwards, the bending end 14 is inserted into the groove of the lower die 3, the flattened end 15 is gradually close to the top of the lower die 3 until the bending part of the sheet metal part is flattened by being matched with the lower die 3, and then the hydraulic cylinder 13 drives the upper die 4 to move upwards again to reset, so that bending and flattening operations on the sheet metal part can be completed.

When the sheet metal parts need to be bent, the personnel rotate the adjusting screw 12, under the cooperation of the vertical plates 11, the movable plate 6 can be driven to move on the square rod 5, so that the movable plate 6 is far away from or close to the lower die 3, the movable plate 6 can drive the retaining plate 10 to correspondingly move, the distance from the retaining plate 10 to the bending end 14 can be increased or reduced, and different widths can be bent according to actual needs. The personnel operate the stop gear 9 on the corresponding movable block 8, rotate the fastening screw 904, can drive the arc 901 to move in the direction of keeping away from the stock 7, until the rubber pad 903 breaks away from the contact with the surface of the stock 7, at this moment the movable block 8 can move on the surface of the stock 7, after adjusting the butt plate 10 on this movable block 8 to suitable position, the personnel reverse-rotate the fastening screw 904, make the rubber pad 903 closely contact with the surface of the stock 7 again, can limit the movable block 8 and butt plate 10 again, make the butt plate 10 fix in corresponding position, thus the distance between the butt plates 10 can be very convenient to the personnel adjust the position of butt plate 10 according to the length of sheet metal piece, make every butt plate 10 all can contact with the bending edge of sheet metal piece, the location length and the width of butt plate 10 all can be adjusted, thereby can adapt to the location of bending of different sizes of sheet metal.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the disclosure, including the claims, is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as above, which are not provided in detail for the sake of brevity.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. A metal plate flattens mould of bending for the flattening of sheet metal component is bent, its characterized in that, the metal plate flattens mould of bending includes: the operation panel, install in last mould, U type frame and the bed die of operation panel, go up the mould and be located the top of bed die, the back symmetry of operation panel is fixed with two square poles, two square pole sliding connection has the movable plate, the movable plate is fixed with the stock through two extension boards, the surface sliding connection of stock has five movable blocks, every the movable block is provided with stop gear, every the movable block all is fixed with the butt plate that is the L type, the one end surface slip of butt plate is at the top of bed die, the operation panel is fixed with the riser, there is adjusting screw at the middle part of riser through threaded connection, adjusting screw's one end is passed through the bearing and is rotated the surface of connection at the movable plate, adjusting screw's the other end is fixed with the knob.

2. The sheet metal flattening and bending die of claim 1, wherein two hydraulic cylinders are symmetrically fixed at the top of the U-shaped frame, and the output ends of the hydraulic cylinders are fixedly connected with the upper die.

3. The sheet metal flattening and bending die of claim 1, wherein the bottom end of the upper die is a bent end, the upper die is provided with a flattening end, and the flattening end is matched with the top of the lower die.

4. The sheet metal flattening and bending die of claim 1, wherein two slide bars and a limiting plate fixed on the slide bars are symmetrically fixed on the top of the upper die, and the slide bars penetrate through the U-shaped frame in a sliding manner.

5. The sheet metal flattening and bending die set according to claim 1, wherein the limiting mechanism comprises an arc plate, the moving block is provided with a chute, the arc plate is slidably connected in the chute, a rubber pad is fixed on one surface of the arc plate and is in close contact with the surface of the long rod, the arc plate is rotatably connected with a fastening screw through a bearing, one end of the fastening screw penetrates through the moving block and is fixedly provided with a knob on the fastening screw, and the fastening screw is in threaded connection with the moving block.

6. The sheet metal flattening and bending die according to claim 5, wherein the arc plate is fixed with two symmetrical positioning rods, one ends of the positioning rods are slidably connected in the sliding grooves, and the other ends of the positioning rods slidably penetrate through the moving blocks.

7. The sheet metal flattening and bending die of claim 6, wherein the moving block is provided with two symmetrical through openings, the two through openings are matched with the positioning rod, and the through openings are communicated with the sliding groove.

8. The sheet metal flattening and bending die set forth in claim 1, wherein the moving plate is rotatably connected with a round bar through a pin shaft, and the round bar slides on top of the operating table.

9. The sheet metal flattening and bending die according to claim 1, wherein the moving plate is provided with two symmetrical square grooves, the square grooves are matched with square rods, and the square rods are fixed with limiting plates.

10. The sheet metal flattening and bending die of claim 1, wherein the moving block is provided as a square block, and the moving block is slidably connected to the moving plate.