CN111496036A

CN111496036A - Multi-stage bending die for sheet metal processing

Info

Publication number: CN111496036A
Application number: CN202010371645.1A
Authority: CN
Inventors: 汪煜; 胡峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2020-08-07

Abstract

The invention relates to the field of sheet metal machining, in particular to a multistage bending die for sheet metal machining, wherein one ends of a fixed base and a movable base and one side of a sliding block are symmetrically and fixedly connected with a first clamping block, one side of the first clamping block is of a semi-circular arc structure, one end, corresponding to the first clamping block, of the first clamping block is provided with a first slot, a plurality of second clamping blocks are symmetrically arranged between the first clamping blocks, one sides of the second clamping blocks are of semi-circular arc structures and are symmetrically arranged with the first clamping block, two ends of the second clamping block are symmetrically provided with a second slot, movable discs are inserted into the first slot and the second slot, connecting rods are fixedly connected between the two movable discs, limiting grooves of arc structures are formed in the movable discs, and limiting clamping blocks are inserted into the limiting grooves. The multi-stage bending machine can realize multi-stage bending of pipe fitting sheet metal parts, has high bending precision and is suitable for popularization.

Description

Multi-stage bending die for sheet metal processing

Technical Field

The invention relates to the field of sheet metal machining, in particular to a multistage bending die for sheet metal machining.

Background

In the sheet metal processing field, can often need to bend the sheet metal component, like the sheet metal component of pipe fitting class, when bending the sheet metal component of pipe fitting class usually, all insert the pipe fitting in the equipment of bending, bend the pipe fitting through the mode of rotating or pressing, but this kind of processing mode can only carry out unilateral bending to the pipe fitting, can't carry out multistage bending, like the spill return bend, just at this moment need artifical manual operation, carry out multistage bending to the pipe fitting, but artifical manual operation, can't ensure the precision of bending, influence the processingquality of pipe fitting, waste time and energy simultaneously, machining efficiency is low.

Disclosure of Invention

In order to solve the problems, the invention provides a sheet metal machining multi-stage bending die which can be used for simultaneously bending sheet metal parts of pipe fittings in different directions and at different angles in a multi-stage mode, has higher machining precision and improves the machining efficiency and quality of bending the sheet metal parts of the pipe fittings.

In order to achieve the purpose, the invention adopts the following technical scheme that the sheet metal processing multistage bending die comprises a fixed base, wherein the top of the fixed base is symmetrically provided with a movable groove, a first sliding groove is symmetrically arranged in the movable groove, a movable base is inserted in the movable groove, the bottom of the movable base is inserted in the first sliding groove, the top of the movable base is flush with the top of the fixed base, the top of the fixed base and the top of the movable base are symmetrically and fixedly connected with sliding rails, sliding blocks are inserted in the sliding rails, springs are sleeved on the outer sides of the sliding rails, and one ends of the springs are fixedly connected to the sliding blocks;

one end of the fixed base and one end of the movable base and one side of the sliding block are symmetrically and fixedly connected with a first clamping block, one side of the first clamping block is of a semicircular arc structure, one end corresponding to the first clamping block is provided with a first slot, a plurality of second clamping blocks are symmetrically arranged between the first clamping blocks, one side of each second clamping block is of a semicircular arc structure and is symmetrically arranged with the first clamping block, the second clamping blocks are arranged in a serial manner, two ends of each second clamping block are symmetrically provided with a second slot, movable discs are inserted in the first slot and the second slot, connecting rods are fixedly connected between the two movable discs, limiting grooves of arc structures are arranged in the movable discs, limiting clamping blocks are inserted in the limiting grooves, the outer sides of the limiting clamping blocks are of arc structures and are in contact with the inner walls of the limiting grooves, the clamping device is characterized in that one end of the limiting clamping block is fixedly connected with a rotating handle, and one end of the rotating handle, which is far away from the limiting clamping block, penetrates through the first clamping block and the second clamping block and extends to the outside.

As a preferred technical scheme, the inner walls of the first clamping blocks are provided with second sliding grooves, the first clamping blocks are symmetrically provided with pressing plates, one sides of the pressing plates are of outer arc structures, one ends of the pressing plates are inserted into the second sliding grooves, and one sides of the pressing plates are fixedly connected with spring rods.

As a preferred technical scheme of the invention, the inner walls of the second clamping blocks are symmetrically provided with third sliding grooves, the third sliding grooves are inserted with elastic sheets, and the elastic sheets are inserted with rollers.

As a preferred technical scheme of the invention, one end of the first clamping block and two ends of the second clamping block are both arc-shaped structures.

As a preferred technical scheme of the invention, machining grooves are symmetrically formed in the fixed base, the movable base and the movable base below the first clamping block and the second clamping block, four sliding grooves are formed in the machining grooves, a plurality of supporting frames are inserted in the four sliding grooves, and the tops of the supporting frames are of arc structures and are symmetrically arranged and contacted with the second clamping block.

As a preferred technical scheme of the invention, a fifth sliding groove is formed in one side of the fixed base, an installation frame is inserted into the fifth sliding groove, a hydraulic cylinder is fixedly connected to the installation frame, a pressing head is fixedly connected to an output end of the hydraulic cylinder, and the bottom of the pressing head is of an arc structure and is symmetrically arranged with the second clamping block.

The invention has the beneficial effects that:

1. the multi-stage bending machine can simultaneously perform multi-stage bending on the sheet metal parts of the pipe fittings in different directions and different angles, has higher processing precision, and improves the processing efficiency and quality of the bending of the sheet metal parts of the pipe fittings.

2. The first clamping block and the second clamping block are designed, the first clamping block and the second clamping block can be connected with each other through the connecting rod and the movable disc to achieve movement at a certain angle, the movable disc can be locked through the limiting clamping block, the first clamping block and the second clamping block are fixedly connected together, the first clamping block and the second clamping block can be opened and closed aiming at the bending point of a pipe fitting, and the bending accuracy is guaranteed.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic cross-sectional structural view of the present invention;

FIG. 3 is a schematic cross-sectional structural view of the first and second clamping blocks of the present invention;

FIG. 4 is a diagram of a first slot configuration of the present invention;

FIG. 5 is a schematic diagram of the spring plate structure of the present invention;

fig. 6 is a schematic view of the structure of the movable disk of the present invention.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

As shown in fig. 1 to 6, a multistage mould of bending of panel beating, including fixed baseplate 1, movable groove 11 has been seted up to fixed baseplate 1's top symmetry, a spout 12 has been seted up to the symmetry in movable groove 11, movable groove 11 interpolation is equipped with movable baseplate 2, movable baseplate 2's bottom is inserted and is established in a spout 12, movable baseplate 2's top flushes with fixed baseplate 1's top, fixed baseplate 1 is used for fixing subaerial, movable groove 11 joins in marriage a number of spouts 12 and is used for connecting movable baseplate 2 and realize movable baseplate 2's removal.

The equal symmetry fixedly connected with slide rail 14 in fixed baseplate 1 and movable baseplate 2's top all inserts on slide rail 14 and is equipped with slider 15, and the outside of slide rail 13 all is equipped with spring 16, and the equal fixed connection of one end of spring 16 realizes movable baseplate 2's removal on slider 15, and slide rail 13 cooperates spring 16 to be used for connecting slider 15 and realizes slider 15's removal.

One end of the fixed base 1 and one end of the movable base 2 and one side of the sliding block 15 are symmetrically and fixedly connected with a first clamping block 3, one side of the first clamping block 3 is of a semicircular arc structure, one end corresponding to the first clamping block 3 is provided with a first slot 31, a plurality of second clamping blocks 4 are symmetrically arranged between the first clamping blocks 3, one side of each second clamping block 4 is of a semicircular arc structure and is symmetrically arranged with the first clamping block 3, the second clamping blocks 4 are arranged in a serial manner, two ends of each second clamping block 4 are respectively provided with a second slot 41, movable discs 32 are inserted into the first slot 31 and the second slot 41, a connecting rod 33 is fixedly connected between the two movable discs 32, the first clamping block 3 is matched with the second clamping block 4 to clamp the pipe fitting, the first slot 31 and the second slot 41 are used for inserting and extending the movable discs 32 and the connecting rod 33, the movable disk 32 and the connecting rod 33 are used to connect the first clamping block 3 and the second clamping block 4 in series with each other.

The spacing groove 34 of arc structure has all been seted up in activity disc 32, all insert in the spacing groove 34 and be equipped with spacing fixture block 35, the outside of spacing fixture block 35 is the arc structure and contacts with the inner wall of spacing groove 34, the equal fixedly connected with in one end of spacing fixture block 35 rotates handle 36, the one end that spacing fixture block 35 was kept away from to rotatory handle 36 all runs through No. 3 grip blocks and No. two grip blocks 4 extend to outside, spacing groove 34 cooperates spacing fixture block 35 can be fixed activity disc 32, make a grip block 3 and No. two grip blocks 4 fixed connection become a whole, rotatory handle 36 is used for opening and shutting spacing fixture block 35.

No. two spout 5 have all been seted up on grip block 3's the inner wall, equal symmetry is equipped with clamp plate 51 in grip block 3, one side of clamp plate 51 is outer arc structure, clamp plate 51's one end is all inserted and is established in No. two spout 5, the equal fixedly connected with spring beam 52 in one side of clamp plate 51, No. two spout 5 are used for connecting clamp plate 51 and realize its removal, cooperation spring beam 52 can press clamp plate 51 at the both ends of pipe fitting, form the centre gripping, the clamp plate 51 of outer arc structure is to the inner wall contact of pipe fitting, the centre gripping effect is improved.

No. three chutes 42 are symmetrically formed in the inner wall of the second clamping block 4, the elastic sheets 43 are inserted into the third chutes 42, rollers 44 are inserted into the elastic sheets 43, the third chutes 42 are used for connecting the elastic sheets 43, the elastic sheets 43 are used for clamping pipe fittings, the pipe fittings can adapt to different diameters, and the rollers 44 can enable the pipe fittings to move in the second clamping block 4 when the first clamping block 3 and the second clamping block 4 are separated from each other.

One end of the first clamping block 3 and two ends of the second clamping block 4 are both arc-shaped structures, and the arc-shaped structures at one end of the first clamping block 3 and two ends of the second clamping block 4 can adapt to deformation of the bent pipe fitting.

Fixed baseplate 1 with movable baseplate 2 on and be located the equal symmetry in below of grip block 3 and No. two grip blocks 4 and seted up processing groove 6, No. four spout 61 has all been seted up in processing groove 6, all insert in No. four spout 61 and be equipped with a plurality of support frames 62, the top of support frame 62 is the arc structure and sets up and contact with No. two grip blocks 4 symmetries, processing groove 6 is used for joining in marriage bending of No. one grip block 3 and No. two grip blocks 4, No. four spout 61 is used for connecting and removes support frame 62, support frame 62 is used for supporting No. two grip blocks 4's part, be used for the cooperation to bend.

No. five spout 7 have been seted up to one side of fixed baseplate 1, No. 7 interpolations in No. five spout are equipped with mounting bracket 71, fixedly connected with pneumatic cylinder 72 on the mounting bracket 71, the output fixedly connected with press head 73 of pneumatic cylinder 72, the bottom of press head 73 be the arc structure and with No. two grip blocks 4 symmetry settings, No. five spout 7 are used for connecting and remove mounting bracket 71, mounting bracket 71 drives pneumatic cylinder 72 and removes, pneumatic cylinder 72 presses No. two grip blocks 4 and its pipe fitting through flexible drive press head 73, the realization is bent.

When in use:

1. before the multi-stage bending die is used, the die is checked to ensure the normal operation of the die;

2. fixing the movable disc 32 by the pipe fitting operation limiting clamping block 35 to enable the first clamping block 3 and the second clamping block 4 to be fixed into a whole, placing the pipe fitting to be bent between the first clamping block 3 and the second clamping block 4, and operating the movable base 2 to clamp the pipe fitting;

3. opening a limiting clamping block 35 on a first clamping block 3 or a second clamping block 4 at a position to be bent, separating the first clamping block 3 or the second clamping block 4 from each other, pushing a sliding block 15 to elongate the first clamping block 3 and the second clamping block 4 under the action of a sliding rail and a spring 16, and pushing a pipe to the central positions of the first clamping block 3 and the second clamping block 4 through a pressing plate 51 to keep the position of the pipe;

4. the positions of the hydraulic cylinder 72 and the supporting frame 62 are adjusted, and the hydraulic cylinder 72 is operated to drive the pressing head 73 to bend the second clamping block 4 and the pipe fitting.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sheet metal working multistage mould of bending, includes fixed baseplate (1), its characterized in that: the movable base is characterized in that movable grooves (11) are symmetrically formed in the top of the fixed base (1), first sliding grooves (12) are symmetrically formed in the movable grooves (11), movable bases (2) are inserted into the movable grooves (11), the bottoms of the movable bases (2) are inserted into the first sliding grooves (12), the tops of the movable bases (2) are flush with the top of the fixed base (1), sliding rails (14) are symmetrically and fixedly connected to the tops of the fixed base (1) and the movable base (2), sliding blocks (15) are inserted into the sliding rails (14), springs (16) are sleeved on the outer sides of the sliding rails (13), and one ends of the springs (16) are fixedly connected to the sliding blocks (15);

one end of the fixed base (1) and one end of the movable base (2) and one side of the sliding block (15) are symmetrically and fixedly connected with a first clamping block (3), one side of the first clamping block (3) is of a semi-circular arc structure, one end of the first clamping block (3) corresponding to the first clamping block is provided with a first slot (31), a plurality of second clamping blocks (4) are symmetrically arranged between the first clamping blocks (3), one side of each second clamping block (4) is of a semi-circular arc structure and is symmetrically arranged with the first clamping block (3), the second clamping blocks (4) are arranged in a serial mode, two slots (41) are symmetrically arranged at two ends of each second clamping block (4), movable discs (32) are inserted into the first slot (31) and the second slot (41), and a connecting rod (33) is fixedly connected between the two movable discs (32), all set up spacing groove (34) of arc structure in activity disc (32), all insert in spacing groove (34) and be equipped with spacing fixture block (35), the outside of spacing fixture block (35) be the arc structure and with the inner wall of spacing groove (34) contacts, the equal fixedly connected with in one end of spacing fixture block (35) rotates handle (36), rotatory handle (36) are kept away from the one end of spacing fixture block (35) all run through No. one grip block (3) with No. two grip blocks (4) extend to outside.

2. The multi-stage bending die for sheet metal processing according to claim 1, characterized in that: the inner wall of a clamping block (3) on all seted up No. two spout (5), equal symmetry is equipped with clamp plate (51) in a clamping block (3), one side of clamp plate (51) is outer arc structure, the one end of clamp plate (51) is all inserted and is established in No. two spout (5), the equal fixedly connected with spring beam (52) in one side of clamp plate (51).

3. The multi-stage bending die for sheet metal processing according to claim 1, characterized in that: no. three chutes (42) are symmetrically formed in the inner wall of the second clamping block (4), elastic sheets (43) are inserted into the third chutes (42), and rollers (44) are inserted into the elastic sheets (43).

4. The multi-stage bending die for sheet metal processing according to claim 1, characterized in that: one end of the first clamping block (3) and two ends of the second clamping block (4) are both arc-shaped structures.

5. The multi-stage bending die for sheet metal processing according to claim 1, characterized in that: fixed baseplate (1) with movable baseplate (2) go up and be located No. one grip block (3) with processing groove (6) have all been seted up to the equal symmetry in below of No. two grip blocks (4), No. four spout (61) have all been seted up in processing groove (6), all insert in No. four spout (61) and be equipped with a plurality of support frames (62), the top of support frame (62) be the arc structure and with No. two grip blocks (4) symmetry sets up and contacts.

6. The multi-stage bending die for sheet metal processing according to claim 1, characterized in that: one side of unable adjustment base (1) seted up No. five spout (7), No. five spout (7) interpolation is equipped with mounting bracket (71), fixedly connected with pneumatic cylinder (72) on mounting bracket (71), the output fixedly connected with press head (73) of pneumatic cylinder (72), the bottom of press head (73) be the arc structure and with No. two grip blocks (4) symmetry sets up.