CN215543944U

CN215543944U - Sheet metal bending machine

Info

Publication number: CN215543944U
Application number: CN202120947777.4U
Authority: CN
Inventors: 朱继高; 刘浩
Original assignee: Hubei Jinpeng Automobile Co ltd
Current assignee: Hubei Jinpeng Automobile Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-01-18
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a sheet metal bending machine, which comprises an upper die of the bending machine, a lower die of the bending machine and a frame, the two sides of the frame are fixedly provided with a screw rod driving device, the screw rod driving device is connected with a supporting frame, the support frame is driven by the screw rod driving device to do reciprocating motion along the screw rod direction, the support frame comprises a cross beam, the upper end surface of the cross beam is horizontally and fixedly connected with a guide rod I, the guide rod I is connected with a clamping device in a sliding way, the upper end of the clamping device is connected with a baffle rod, a lifting baffle mechanism is arranged between the supporting frame and the lower die of the bending machine, the liftable baffle plate mechanism is fixedly connected with the frame, the utility model aims at the sheet metal material needing to be bent twice, the secondary location when can realize the panel beating and bend avoids artifical naked eye location inaccurate when bending, prevents to cause the panel beating material extravagant at the in-process plate positioning deviation of bending.

Description

Sheet metal bending machine

Technical Field

The utility model relates to the technical field of sheet metal material processing, in particular to a sheet metal bending machine.

Background

In the sheet metal processing, need bend the panel beating, with be applicable to different mechanical structure, consequently, the panel beating bender need be used, through the clamp of the last lower mould of panel beating bender, make middle panel beating bending deformation, thereby produce certain bending angle, reach our demand, at the in-process of bending, need fix a position the panel beating material, confirm the position that is fit for with the panel beating material, bend at the definite position of panel beating material, but only lean on the manual work to advance line location, produce the displacement very easily, cause the positioning deviation, thereby lead to the position of bending inaccurate, lead to the panel beating material extravagant.

Existing authorized public numbers: CN111151606A, the patent name "panel beating bender convenient to location" Chinese utility model patent discloses a panel beating bender, which comprises a frame, the vertical direction of frame front end from top to bottom is provided with the matched with mould and the lower mould of bending, the mould up-and-down motion under drive arrangement effect on bending, the lower mould joint of bending has the setting element, the setting element includes the length direction perpendicular with the length direction's of the lower mould of bending locating lever, the locating lever below is provided with first gag lever post and second gag lever post, first gag lever post and second gag lever post centre gripping the lower mould of bending.

The defects of the prior art are as follows: when bending the sheet metal material, the position of bending still needs artifical naked eye to aim at to produce positioning error, especially when being directed at the large-scale sheet metal material that needs bend twice, bend twice and all aim at through the human eye, produce positioning error easily, bend in batches and add man-hour, the rejection rate of work piece will greatly increased, lead to manufacturing cost to increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a sheet metal bending machine which can perform bending positioning on a sheet metal material twice.

The technical scheme adopted by the utility model for realizing the technical purpose is as follows: the utility model provides a panel beating bender, includes mould, bender lower mould and frame on the bender, the fixed lead screw drive arrangement that is provided with in frame both sides, the last support frame that is connected with of lead screw drive arrangement, reciprocating motion is along the lead screw direction at lead screw drive arrangement's drive to the support frame, the support frame includes the crossbeam, the horizontal fixedly connected with guide arm one of crossbeam up end, sliding connection has clamping device on the guide arm one, the clamping device upper end is connected with the shelves pole, be provided with liftable baffle mechanism between support frame and the bender lower mould, liftable baffle mechanism and frame fixed connection can rise.

As a further arrangement of the utility model, the liftable baffle mechanism comprises two guide rods II, two guide rails, a cylinder and a baffle, wherein the two ends of the guide rods II are fixed on the frame, the two guide rails II are respectively positioned at the inner side and the outer side of the support frame, the two ends of the guide rails are respectively connected with the two guide rods II in a sliding manner, the two guide rails are respectively connected with a slide block I in a sliding manner, the slide block I is positioned between the lower die of the bending machine and the support frame, the cylinder is fixed on the slide block I, the working end of the cylinder is vertically upward, and the bottom of the baffle is connected with the working ends of the two cylinders.

According to the further arrangement of the utility model, two sliding blocks II are connected to the two guide rails in a sliding manner, the two sliding blocks II are positioned on one side of the first sliding block, which is far away from the lower die of the bending machine, a stroke groove is formed in the cross beam, a hanging rod is vertically embedded in the stroke groove, one end of the hanging rod is fixedly connected with the bottom of the clamping device, and the other end of the hanging rod is fixedly connected with the second sliding block.

The clamping device comprises a base, a first clamping block, a second clamping block and a set bolt, wherein the bottom of the base is connected to the first guide rod in a sliding mode, the second clamping block is fixed to the upper end of the base and is far away from one side of a lower die of the bending machine, a through threaded hole is formed in the second clamping block along the first guide rod in the vertical direction, the threaded hole is matched with the set bolt, the first clamping block is located on the upper end of the base and is close to one side of the lower die of the bending machine, the set bolt penetrates through the threaded hole to be fixedly connected with the clamping block, and the stop lever is located between the first clamping block and the second clamping block.

The bending machine further comprises a base plate with a through hole in the middle, a first support is fixed on one side face of the lower die of the bending machine close to the support frame, a second support is connected between the first clamping block and the second clamping block, the base plate is placed on the first support and the second support, the upper end face of the base plate is coplanar with the upper end face of the lower bending die, the width of the through hole is matched with the baffle, the length of the through hole enables the baffle to move forward and backward by a certain amount, and the upper end face of the baffle when falling is lower than the plane of the base plate.

As a further arrangement of the utility model, the lower sides of the first sliding block and the second sliding block, which are contacted with the guide rail, are provided with through threaded holes, and the threaded holes are matched with bolts in threaded connection.

The screw driving device comprises a screw, two limiting rods and a mounting plate, wherein the mounting plate is fixedly connected with the rack, the screw is horizontally and rotatably connected with the mounting plate, the two limiting rods are positioned at two sides of the screw, two ends of the two limiting rods are respectively and horizontally and fixedly connected with the mounting plate, and the lower end of the support frame is slidably connected to the screw and the two limiting rods.

Compared with the prior art, the utility model has the beneficial effects that:

1. before bending, the position of the liftable baffle mechanism is adjusted according to the position of a sheet metal material to be bent, so that the distance between the baffle and a lower die of a bending machine is matched with the position of the first bending, the position of the baffle rod is adjusted by controlling the support frame through the lead screw driving device, so that the position of the baffle rod is matched with the position of the lower die of the bending machine and the position of the second bending, when the bending is started, the baffle of the liftable baffle mechanism is higher than the lower die plane of the bending machine, the sheet metal material is placed on the lower die of the bending machine, one end of the sheet metal material is abutted against the baffle of the liftable baffle mechanism, after the first bending is completed, the liftable baffle mechanism is controlled to be lower than the lower die plane of the bending machine, the sheet metal material is pushed, one end of the sheet metal material is abutted against the baffle rod, the second bending is completed, the bending is not required to depend on manual naked eyes to position the bending position of the workpiece by abutting the baffle and the baffle rod against the sheet metal material, convenient and fast, the location is accurate, when bending in batches, can reduce the rejection rate, reduces extravagantly, practices thrift the cost.

2. The front and back displacement of the steerable support frame of lead screw drive arrangement, thereby the front and back displacement of control shelves pole, clamping device slides on guide rail one, thereby the horizontal displacement of control shelves pole, clamping device and slider two are connected to the jib, consequently, the synchronous horizontal migration of clamping device and guide rail two, the baffle on the guide rail two also can carry out horizontal adjustment, slider two self can slide on guide rail two, thereby control baffle's front and back position, consequently, baffle and shelves pole homoenergetic are adjusted at horizontal direction and fore-and-aft direction, fix a position different sheet metal material's different positions of bending, therefore, the practicality is high.

3. When processing the sheet metal material that only once bends, through the position of adjusting the pin, can satisfy the location demand, when needs fix a position twice, through the lift of cylinder control baffle, be used for the panel beating to bend for the first time when rising, make sheet metal material push the pin and bend for the second time when falling back, whole process does not need artifical naked eye location, convenient and fast, and the location is accurate.

4. The second guide rail can be connected with the clamping device through the second sliding block, the horizontal position and the front and back position of the second guide rail and the clamping device can move synchronously, adjustment is convenient, and adjustment steps are reduced.

5. The clamping device is used for clamping the stop lever, and can be used for adjusting the horizontal position of the stop lever simultaneously to meet different bending positions of different sheet metal materials, and the stop lever can be conveniently replaced when being inappropriate.

6. The effect of backing plate is used for accepting the sheet metal material, and when processing great sheet metal material be, do not have the backing plate sheet metal material to produce decurrent bending easily under the action of gravity to unable accurate positioning, sheet metal material can easily push away to baffle or shelves pole department rather than the butt when having the backing plate, fixes a position more easily, and the purpose of opening the hole can make the baffle can go up and down while can do certain position control in the front and back direction, satisfies different sheet metal material's different positions of bending.

7. The first sliding block and the second sliding block can be fixed on the second guide rail through bolts, and after the position of the first sliding block and the second sliding block is adjusted, the sliding blocks cannot move on the second guide rail after the bolts are screwed down, so that the position of the baffle and the stop lever is fixed, and the situation that the positioning deviation is caused by displacement in the bending process is avoided.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a sheet metal bending machine according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a partial cross-sectional view of a sheet metal bending machine of the present invention;

FIG. 4 is a schematic view of the structure at B in FIG. 3;

fig. 5 is a schematic view of a first bending structure of the sheet metal bending machine of the present invention;

fig. 6 is a schematic view of a second bending structure of the sheet metal bending machine of the present invention;

in the figure, 1, an upper die of a bending machine, 2, a lower die of the bending machine, 3, a frame, 4, a liftable baffle plate mechanism, 41, a baffle plate, 42, an air cylinder, 43, a first slide block, 44, a second slide block, 45, a guide rail, 46, a second guide rod, 47, a bolt, 51, a support frame, 511, a cross beam, 52, a first guide rod, 53, a clamping device, 531, a base, 532, a first clamping block, 533, a second clamping block, 534, a fastening bolt, 54, a baffle rod, 6, a suspension rod, 71, a cushion plate, 72, a first support, 73, a second support, 8, a screw rod driving device, 81, a mounting plate, 82, a limiting rod, 83, a screw rod, 9 and a sheet metal material.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1 to 6, a panel beating bender, mould 1, bender lower mould 2 and frame 3 on the bender, the fixed lead screw drive device 8 that is provided with in 3 both sides of frame, be connected with support frame 51 on the lead screw drive device 8, reciprocating motion is done along the lead screw direction to support frame 51 under the drive of lead screw drive device 8, support frame 51 includes crossbeam 511, a horizontal fixedly connected with guide arm 52 of crossbeam 511 up end, sliding connection has clamping device 53 on the guide arm 52, clamping device 53 upper end is connected with shelves pole 54, be provided with liftable baffle mechanism 4 between support frame 51 and the bender lower mould 2, liftable baffle mechanism 4 and frame 3 fixed connection.

As a further arrangement of the utility model, the liftable baffle mechanism 4 comprises two guide rods two 46, two guide rails 45, an air cylinder 42 and a baffle 41, two ends of which are fixed on the frame 3, two guide rods two 46 are respectively positioned at the inner side and the outer side of the support frame 51, two ends of the guide rails 45 are respectively connected with the two guide rods two 46 in a sliding manner, two guide rails 45 are respectively connected with a sliding block one 43 in a sliding manner, the sliding block one 43 is positioned between the lower die 2 of the bending machine and the support frame 51, the air cylinder 42 is fixed on the sliding block one 43, the working end is vertically upward, and the bottom of the baffle 41 is connected with the working ends of the two air cylinders 42.

As a further arrangement of the utility model, two sliding blocks 44 are slidably connected to the two guide rails 45, the sliding blocks 44 are positioned on one side of the sliding blocks 43 away from the lower die 2 of the bending machine, a stroke groove is formed in the cross beam 511, a suspension rod 6 is vertically embedded in the stroke groove, one end of the suspension rod 6 is fixedly connected with the bottom of the clamping device 53, and the other end of the suspension rod is fixedly connected with the sliding blocks 44.

As a further arrangement of the present invention, the clamping device 53 includes a base 531, a first clamping block 532, a second clamping block 533 and a set bolt 534, the bottom of the base 531 is slidably connected to the first guide rod 52, the second clamping block 533 is fixed to the upper end of the base 531 at a side away from the lower die 2 of the bending machine, the second clamping block 533 is provided with a through threaded hole along the vertical direction of the first guide rod 52, the threaded hole is matched with the set bolt 534, the first clamping block 532 is located at the upper end of the base 531 at a side close to the lower die 2 of the bending machine, the set bolt 534 is fixedly connected to the first clamping block 532 through the threaded hole, and the stopper 54 is located between the first clamping block 532 and the second clamping block 533.

The bending machine further comprises a backing plate 71 with a through hole in the middle, a first support 72 is fixed on one side surface of the lower die 2 of the bending machine close to the support frame, a second support 73 is connected between the first clamping block and the second clamping block, the backing plate 71 is placed on the first support 72 and the second support 73, the upper end surface of the backing plate 71 is coplanar with the upper end surface of the lower die bending machine 2, the width of the through hole is matched with the baffle plate 41, the length of the through hole enables the baffle plate 41 to perform certain amount of forward and backward displacement, and the upper end surface of the baffle plate 41 when falling is lower than the plane of the backing plate 71.

As a further arrangement of the present invention, threaded holes are formed through the lower sides of the first slider 43 and the second slider 44, which are in contact with the guide rail 45, and bolts 47 are screwed into the threaded holes.

As a further arrangement of the present invention, the lead screw driving device 8 includes a lead screw 83, two limiting rods 82, and an installation plate 81, the installation plate 81 is fixedly connected with the frame 3, the lead screw 83 is horizontally and rotatably connected with the installation plate 81, the two limiting rods 82 are located at two sides of the lead screw, two ends of the two limiting rods 82 are respectively and horizontally and fixedly connected with the installation plate 81, and the lower end of the support frame 51 is slidably connected to the lead screw 83 and the two limiting rods 82.

The technical principle of the utility model is as follows:

loosening the bolt 47, opening a motor of the screw driving device 8, driving the support frame 51 to move back and forth through the screw 83, thereby realizing the back and forth position adjustment of the baffle 54, meanwhile, the base 531 of the clamping device 53 can slide on the guide rod I52, thereby carrying out the horizontal position adjustment on the baffle 54, the bottom of the clamping device 53 is connected with the hanger rod 6, one end of the hanger rod 6 is fixedly connected with the slider II 44, when the clamping device 53 moves, the guide rail 45 connected with the hanger rod 6 and the slider II 44 also moves horizontally, thereby synchronously adjusting the horizontal position of the slider I43 on the guide rail 45, finally realizing the horizontal position adjustment of the baffle 41, the slider I43 slides on the guide rail 45, realizing the back and forth position adjustment of the baffle 41, and after the back and forth position adjustment and the horizontal position adjustment of the baffle 54 and the baffle 41 are carried out according to the position of the sheet metal material 9 to be bent, tightening the bolt 47, the positions of the baffle 54 and the baffle 41 are fixed, when the bending is performed, the air cylinder 42 is opened, the baffle 41 rises, the sheet metal material 9 is pushed to the baffle and is abutted against the baffle, the first bending is performed, after the first bending is completed, the air cylinder 42 is closed, the baffle descends, the sheet metal material 9 is pushed to the stop rod 54 and is abutted against the stop rod, the second bending is performed, the bending process is completed by abutting the baffle 41 and the stop rod 54 against the sheet metal material 9, the positioning is completed by the baffle 41 and the stop rod 54, the positions of the baffle 41 and the stop rod 54 are adjustable, the bending machine can adapt to different sheet metal material 9 bending positions twice, the adaptability is wide, mainly positioning deviation caused by manual naked eye positioning is avoided, the material waste is caused, the positioning mode is convenient and rapid, the positioning is accurate, when the bending is performed in batches, the rejection rate can be reduced, the waste is reduced, and the cost is saved.

Meanwhile, when the sheet metal material 9 which is bent only once is processed, the position of the stop lever 54 is adjusted, the air cylinder 42 is closed, the baffle 41 does not participate in the work, the positioning requirement can be met, when the sheet metal material is required to be bent twice, the baffle 41 participates in the work, various different working conditions can be adapted, and the practicability of the sheet metal material bending machine is further improved; installation backing plate 71 can be used for accepting sheet metal material 9 between bender lower mould 2 and support frame 51, when processing great sheet metal material 9, do not have backing plate 71 sheet metal material 9 to produce decurrent bending easily under the action of gravity, thereby unable accurate positioning, sheet metal material 9 can easily push to baffle 41 or shelves pole 54 department rather than the butt when having backing plate 71, fix a position more easily, open the through-hole and then can make certain position control in the fore-and-aft direction when can make baffle 41 lift, satisfy the different bending position of different sheet metal material 9.

Claims

1. The utility model provides a panel beating bender, includes mould (1), bender lower mould (2) and frame (3) on the bender, its characterized in that: frame (3) both sides are fixed and are provided with lead screw drive device (8), be connected with support frame (51) on lead screw drive device (8), reciprocating motion is followed the lead screw direction in support frame (51) under the drive of lead screw drive device (8), support frame (51) include crossbeam (511), crossbeam (511) the horizontal fixedly connected with guide arm (52) of up end, sliding connection has clamping device (53) on guide arm (52), clamping device (53) upper end is connected with shelves pole (54), be provided with between support frame (51) and bender lower mould (2) and can rise baffle mechanism (4), can rise baffle mechanism (4) and frame (3) fixed connection.

2. The sheet metal bending machine according to claim 1, characterized in that: two guide rods two (46), two guide rails (45), cylinder (42) and baffle (41) that can rise baffle mechanism (4) on frame (3) are fixed including both ends, two guide rods two (46) are located support frame (51) inside and outside both sides respectively, the both ends of guide rail (45) respectively with two guide rods two (46) sliding connection, two equal sliding connection has slider one (43) on guide rail (45), slider one (43) are located between bender lower mould (2) and support frame (51), cylinder (42) are fixed on slider one (43), and the work end is vertical upwards, the bottom of baffle (41) links to each other with the work end of two cylinders (42).

3. The sheet metal bending machine according to claim 2, characterized in that: two equal sliding connection has slider two (44) on guide rail (45), slider two (44) are located slider one (43) and keep away from bender lower mould (2) one side, the stroke groove has been seted up on crossbeam (511), vertical the inlaying is equipped with jib (6) in the stroke groove, jib (6) one end and clamping device (53) bottom fixed connection, one end and slider two (44) fixed connection.

4. The sheet metal bending machine according to claim 1, characterized in that: clamping device (53) include base (531), press from both sides tight piece (532), press from both sides tight piece two (533) and tightly press from both sides set bolt (534), base (531) bottom sliding connection in on guide arm one (52), press from both sides tight piece two (533) and fix base (531) upper end is kept away from bender lower mould (2) one side, press from both sides tight piece two (533) and be equipped with the through thread hole along guide arm one (52) vertical direction, the screw hole with tightly press from both sides set bolt (534) phase-match, press from both sides tight piece one (532) and be located base (531) upper end is close to bender lower mould (2) one side, tightly press from both sides set bolt (534) and pass the screw hole with press from both sides tight piece one (532) fixed connection, shelves pole (54) are located press from both sides tight piece one (532) and press from both sides between tight piece two (533).

5. The sheet metal bending machine according to claim 4, wherein: still include backing plate (71) that the centre is equipped with the through-hole, bender lower mould (2) are close to a support frame side and are fixed with support one (72), press from both sides and be connected with support two (73) between the piece one and press from both sides tight piece two, backing plate (71) up end with bender lower mould (2) up end coplane, the width of through-hole with baffle (41) phase-match, the length of through-hole enables baffle (41) and carries out a certain amount of displacement from beginning to end, up end when baffle (41) descend is less than backing plate (71) plane.

6. The sheet metal bending machine according to claim 2, characterized in that: and a penetrating threaded hole is formed in the lower side of the first sliding block (43) and the second sliding block (44) which are in contact with the guide rail (45), and a bolt (47) is in threaded connection with the threaded hole in a matching manner.

7. The sheet metal bending machine according to claim 1, characterized in that: lead screw drive arrangement (8) are including lead screw (83), two gag lever post (82), mounting panel (81) and frame (3) fixed connection, lead screw (83) are rotated with mounting panel (81) level and are connected, two gag lever post (82) are located the lead screw both sides, both ends respectively with mounting panel (81) level fixed connection, support frame (51) lower extreme sliding connection be in on lead screw (83) and two gag lever posts (82).