CN112845808A

CN112845808A - Can reduce panel beating punching device of hole edge burr

Info

Publication number: CN112845808A
Application number: CN202011618853.3A
Authority: CN
Inventors: 任慧琴; 熊斌; 涂伟
Original assignee: Kunshan Chuangsiwei Electromechanical Equipment Co ltd
Current assignee: Kunshan Chuangsiwei Electromechanical Equipment Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-28

Abstract

The invention discloses a sheet metal punching device capable of reducing burrs at the edge of a hole, which comprises a workbench, wherein clamping devices are movably arranged on the front side and the rear side of the left side and the right side of the workbench, the rear end of the workbench is vertically and upwards fixedly connected with a back plate, the top end of the back plate is horizontally and fixedly connected with a top seat forwards, a hydraulic cylinder is fixedly arranged in the center of the top end of the top seat, and the output end of the hydraulic cylinder is vertically and downwards fixedly connected with a hydraulic rod. According to the invention, the punching column is movably arranged above the workbench, the polishing plates are movably arranged on the left side and the right side above the punching column, the top end of the punching column is connected with the output end of the motor, the third telescopic rod is extended to drive the polishing plates to move downwards, the fourth telescopic rod is extended to drive the polishing plates to move inwards, the hydraulic rod is extended to drive the polishing plates to extend into the punching holes of the metal plate, the motor drives the punching column to rotate to drive the polishing plates to rotate, and the polishing layers polish and deburr the inner wall surfaces of the holes, so that the workload is greatly reduced, and the working efficiency is improved.

Description

Can reduce panel beating punching device of hole edge burr

Technical Field

The invention relates to the technical field of sheet metal machining, in particular to a sheet metal punching device capable of reducing burrs at the edge of a hole.

Background

Sheet metal is a comprehensive cold working process for sheet metal (generally below 6 mm), including shearing, punching/cutting/compounding, folding, welding, riveting, splicing, forming (such as automobile bodies), and the like. The remarkable characteristic is that the thickness of the same part is consistent. The product processed by the sheet metal process is called a sheet metal part. The metal plate has the characteristics of light weight, high strength, conductivity (capable of being used for electromagnetic shielding), low cost, good large-scale mass production performance 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, the metal plate is an essential component. Along with the more and more extensive application of panel beating, the design of sheet metal component has become a very important ring in the product development process, and mechanical engineer must skilled master the design skill of sheet metal component for the panel beating of design both satisfies the requirements such as function and the outward appearance of product, can make stamping die make simple, with low costs again.

When punching a hole to the panel beating, downthehole wall surface can produce the burr, still need the manual deburring of polishing to downthehole wall surface of workman after punching a hole, and work load is great, and work efficiency is low.

Disclosure of Invention

The invention aims to provide a sheet metal punching device capable of reducing burrs at the edge of a hole so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a can reduce panel beating punching device of hole edge burr, includes the workstation, both sides are all movable around the left and right sides of workstation are provided with clamping device, the vertical fixedly connected with backplate that makes progress in the rear end of workstation, the horizontal fixedly connected with footstock that the top of backplate is preceding, the fixed mounting in top central authorities of footstock has the pneumatic cylinder, the downward vertical fixedly connected with hydraulic stem of output of pneumatic cylinder, the bottom of hydraulic stem pass the footstock and with the connecting plate top central authorities fixed connection of level setting, the bottom of connecting plate is through the connecting rod fixedly connected with second mounting panel of vertical downward even setting, the vertical punching press post that is provided with in bottom of second mounting panel, the equal activity in left and right sides of punching press post is provided with the polishing piece.

As a further scheme of the invention: the utility model discloses a vertical fixedly connected with first mounting panel of the equal vertical of four corners of workstation top, the inboard first telescopic link that transversely sets up through the level of the inboard of first mounting panel is connected with first movable block, the inboard second telescopic link that vertically sets up through the level of the inboard of first movable block is connected with the second movable block, the second movable block is provided with clamping device.

As a still further scheme of the invention: clamping device includes the horizontal fixed connection's of the below of second movable block lower plate of horizontal in, the vertical fixedly connected with riser that makes progress of the top inboard of second movable block, the horizontal fixedly connected with roof of the inside horizontal in top of riser, there is the horizontal punch holder that sets up of level below of roof through spring coupling, threaded connection has the threaded rod on the roof, the bottom of threaded rod is passed the spring and is extended to punch holder top central authorities, and roof and fixedly connected with adjustment handle are stretched out on the top.

As a still further scheme of the invention: the motor is fixedly mounted on the second mounting plate, and the top end of the stamping column penetrates through the second mounting plate and is fixedly connected with the output end of the motor.

As a still further scheme of the invention: the top of punching press post is to fixedly connected with fixed plate all around, the activity is provided with the activity ring on the punching press post of fixed plate below, the equal vertical first slide rail of having laid in the both sides of pushing down in the fixed plate below, the equal fixed mounting in both ends has the first pulley that matches about the inner wall of activity ring, the third telescopic link that the both sides all passed through vertical setting about the activity ring top corresponds the position with the fixed plate bottom and is connected.

As a still further scheme of the invention: the equal vertical activity of activity ring bottom left and right sides is provided with the pole setting, the equal downward vertical fixedly connected with outer connecting block in activity ring bottom left and right sides outer end, the equal downward vertical fixedly connected with in-connection piece in activity ring bottom left and right sides inner, the horizontal fixedly connected with guide bar of level between corresponding in-connection piece and the outer connecting block, the guide bar is passed on the top of pole setting, the horizontal second slide rail of having laid on the activity ring diapire between in-connection piece and the outer connecting block, the top of pole setting and the second slide rail correspond position department fixed mounting have the second pulley that matches, horizontally connect has the fourth telescopic link between outer connecting block below and the pole setting.

As a still further scheme of the invention: the horizontal fixedly connected with extension rod of the inside level in bottom of pole setting, the downward fixedly connected with polishing disc in bottom of extension rod, the cross-section of polishing disc is the arc, and the edge is unanimous with punching press post edge, the outer wall of polishing disc is provided with the layer of polishing.

As a still further scheme of the invention: the stamping device is characterized in that a groove is formed inwards in the position, corresponding to the stamping column, above the workbench, a positioning ring is movably arranged in the groove, the left end and the right end of the bottom of the positioning ring are connected with the corresponding positions of the inner bottom wall of the groove through a vertically arranged fifth telescopic rod, and a protrusion is arranged downwards on the inner wall of the positioning ring.

As a still further scheme of the invention: the blanking hole is formed in the position, corresponding to the inner ring of the positioning ring, of the workbench below the groove, the collecting box is fixedly connected to the bottom of the workbench below the blanking hole, the collecting box is internally provided with a fixing partition plate which is obliquely and fixedly connected to the lower portion of the right side, through holes are uniformly formed in the fixing partition plate, the collecting box below the fixing partition plate is internally provided with a collecting tank in a drawing mode, and the collecting box on the right side of the fixing partition plate is communicated with the lower portion of the right side to form a blanking.

As a still further scheme of the invention: the bottom of workstation fixed welding downwards has the supporting seat, the supporting seat includes the support frame of even setting.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the clamping device is movably arranged on the workbench to clamp and fix the sheet metal part, so that the sheet metal part is convenient to punch and polish.

2. According to the invention, the punching column is movably arranged above the workbench, the polishing plates are movably arranged on the left side and the right side above the punching column, the top end of the punching column is connected with the output end of the motor, the third telescopic rod is extended to drive the polishing plates to move downwards, the fourth telescopic rod is extended to drive the polishing plates to move inwards, the hydraulic rod is extended to drive the polishing plates to extend into the punching holes of the metal plate, the motor drives the punching column to rotate to drive the polishing plates to rotate, and the polishing layers polish and deburr the inner wall surfaces of the holes, so that the workload is greatly reduced, and the working efficiency is improved.

3. According to the invention, the collecting box is arranged below the blanking hole, the fixed partition plate is arranged in the collecting box, the collecting tank is arranged below the fixed partition plate, the right side of the fixed partition plate is communicated with the blanking pipe, punched waste falls onto the fixed partition plate through the blanking hole and then enters the blanking pipe, and waste scraps generated during polishing fall into the collecting box through the blanking hole and then fall into the collecting tank through the through hole.

Drawings

Fig. 1 is a schematic structural diagram of a sheet metal punching device capable of reducing burrs at a hole edge.

Fig. 2 is an enlarged schematic view of the structure of the region a in fig. 1.

Fig. 3 is a schematic structural diagram of a polishing device in a sheet metal punching device capable of reducing burrs at the edge of a hole.

Fig. 4 is an enlarged schematic view of the structure of the region B in fig. 1.

Fig. 5 is a schematic structural diagram of a collection box in the sheet metal punching device capable of reducing burrs at the edge of a hole.

In the figure: 1 workbench, 2 back plates, 3 top seats, 4 supporting seats, 5 first mounting plates, 6 first telescopic rods, 7 first movable blocks, 8 second telescopic rods, 9 second movable blocks, 10 lower clamping plates, 11 vertical plates, 12 top plates, 13 springs, 14 upper clamping plates, 15 threaded rods, 16 adjusting handles, 17 hydraulic cylinders, 18 hydraulic rods, 19 connecting plates, 20 connecting rods, 21 second mounting plates, 22 motors, 23 stamping columns and 24 fixing plates, 25 third telescopic rods, 26 movable rings, 27 first sliding rails, 28 first pulleys, 29 external connecting blocks, 30 internal connecting blocks, 31 guide rods, 32 second sliding rails, 33 second pulleys, 34 vertical rods, 35 fourth telescopic rods, 36 extending rods, 37 polishing sheets, 38 polishing layers, 39 grooves, 40 positioning rings, 41 bulges, 42 fifth telescopic rods, 43 blanking holes, 44 collecting boxes, 45 fixed partition plates, 46 through holes, 47 blanking pipes and 48 collecting boxes.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-5, a sheet metal punching device capable of reducing burrs at the edge of a hole comprises a workbench 1, wherein clamping devices are movably arranged at the front side and the rear side of the left side and the right side of the workbench 1 to clamp and fix a sheet metal part, a back plate 2 is vertically and vertically fixedly connected with the rear end of the workbench 1 upwards, a top seat 3 is horizontally and fixedly connected with the top end of the back plate 2 forwards, a hydraulic cylinder 17 is fixedly arranged at the center of the top end of the top seat 3, an output end of the hydraulic cylinder 17 is vertically and vertically connected with a hydraulic rod 18 downwards, the bottom end of the hydraulic rod 18 penetrates through the top seat 3 and is fixedly connected with the center of the top end of a horizontally arranged connecting plate 19, a second mounting plate 21 is fixedly connected with the bottom end of the connecting plate 19 through a connecting rod 20 which is vertically and uniformly arranged downwards, a punching column 23 is vertically arranged at the, and (4) stamping the sheet metal part, wherein the left side and the right side of the stamping column 23 are respectively and movably provided with a polishing piece 37.

The equal vertical fixedly connected with first mounting panel 5 of four corners of workstation 1 top, the inboard of first mounting panel 5 inwards is connected with first movable block 7 through the horizontal first telescopic link 6 that sets up of level, the inboard of first movable block 7 inwards is connected with second movable block 9 through the vertical second telescopic link 8 that sets up of level, second movable block 9 is provided with clamping device, through the flexible of first telescopic link 6 and second telescopic link 8, make clamping device press from both sides tightly fixedly to the not unidimensional sheet metal component, and can drive its removal after pressing from both sides tightly.

Clamping device includes horizontal fixed connection's lower plate 10 in the below of second movable block 9, the inboard vertical fixedly connected with riser 11 that makes progress in the top of second movable block 9, the horizontal fixedly connected with roof 12 of the inside horizontal of top of riser 11, the below of roof 12 is connected with the horizontal punch holder 14 that sets up of level through spring 13, threaded connection has threaded rod 15 on roof 12, spring 13 is passed to the bottom of threaded

rod

15 and 14 top central authorities of punch holder extend, roof 12 and fixedly connected with regulation handle 16 are stretched out on the top, rotatory regulation handle 16, it moves down to drive when threaded rod 15 is rotatory, promote punch holder 14 downwards, press from both sides tight sheet metal component with the cooperation of lower plate 10, punch holder 14 below and lower plate 10 top set up in the rubber pad.

Fixed mounting has motor 22 on the second mounting panel 21, and the top of punching press post 23 pass second mounting panel 21 and with motor 22's output fixed connection, when motor 22 drive punching press post 23 is rotatory, drive polishing piece 37 and rotate, polish the burring to the downthehole wall.

Fixedly connected with fixed plate 24 all around in the top of punching press post 23, the activity is provided with movable ring 26 on punching press post 23 of fixed plate 24 below, first slide rail 27 has been laid to the equal vertical both sides of 23 left and right sides in fixed plate 24 below, the equal fixed mounting in both ends has the first pulley 28 of matching about the inner wall of movable ring 26, the third telescopic link 25 that all passes through vertical setting in both sides all corresponds the position with fixed plate 24 bottom and is connected about movable ring 26 top, flexible drive movable ring 26 up-and-down motion through third telescopic link 25, thereby drive and polish 37 up-and-down motions of piece, when the punching press, it packs up to polish 37 upward motions of piece, after the punching press, it stretches into downthehole to polish 37 downward motions.

The equal vertical activity in the left and right sides in activity ring 26 bottom is provided with pole setting 34, the equal downward vertical fixedly connected with outer connecting block 29 in activity ring 26 bottom left and right sides outer end, the equal downward vertical fixedly connected with in-connection block 30 in activity ring 26 bottom left and right sides inner, the horizontal fixedly connected with guide bar 31 of level between corresponding in-connection block 30 and the outer connecting block 29, guide bar 31 is passed on the top of pole setting 34, the horizontal second slide rail 32 of having laid of activity ring 26 diapire between in-connection block 30 and the outer connecting block 29, the top of pole setting 34 and the second slide rail 32 correspond position department fixed mounting have the second pulley 33 that matches, horizontally connected with fourth telescopic link 35 between outer connecting block 29 below and the pole setting 34, drive pole setting 34 inwards or outwards removal through the flexible of fourth telescopic link 35.

The horizontal fixedly connected with extension rod 36 of the inside level in bottom of pole setting 34, the downward fixedly connected with polishing piece 37 of bottom of extension rod 36, the cross-section of polishing piece 37 is the arc, and the edge is unanimous with punching press post 23 edge, and the outer wall of polishing piece 37 is provided with the layer 38 of polishing, and the layer 38 of polishing sets up to dull polish form.

The position department that corresponds with punching column 23 above 1 workstation inwards has seted up recess 39, and recess 39 internalization is provided with holding ring 40, and both ends all correspond the position with recess 39 inner wall through the fifth telescopic link 42 of vertical setting about holding ring 40 bottom and are connected, and the 40 inner walls of holding ring are provided with protruding 41 downwards, and the extension of fifth telescopic link 42 drives holding ring 40 rebound and sheet metal component bottom butt when punching a hole, punches a hole to it and carries out the location support.

The position department has seted up blanking hole 43 with the holding ring 40 inner circle corresponds on the workstation 1 of recess 39 below, 1 bottom fixedly connected with collecting box 44 of workstation of blanking hole 43 below, incline fixedly connected with fixed baffle 45 to right side below in the collecting box 44, through-hole 46 has evenly been seted up on the fixed baffle 45, the pull formula is provided with collecting vat 48 in the collecting box 44 of fixed baffle 45 below, collecting box 44 on fixed baffle 45 right side is provided with unloading pipe 47 to right side below intercommunication, the waste material that the punching press produced falls into on fixed baffle 45 through blanking hole 43, then go into unloading pipe 47, the sweeps that produce when polishing fall into in collecting box 44 through blanking hole 43, fall into 48 through-hole 46 in, the collecting vat 48 outside is connected with the handle, the accessible handle is taken out collecting vat 48 and is cleared up the sweeps.

The bottom of workstation 1 fixed welding downwards has supporting seat 4, and supporting seat 4 carries out the outrigger including the support frame of even setting to workstation 1.

The working principle of the invention is as follows: the clamping device is driven to move to the edge of a sheet metal part through the extension of the first telescopic rod 6 and the second telescopic rod 8, the adjusting handle 16 is rotated to drive the threaded rod 15 to rotate and move downwards, the upper clamping plate 14 is pushed downwards to be matched with the lower clamping plate 10 to clamp the sheet metal part, the sheet metal part can be driven to move through the extension of the first telescopic rod 6 and the second telescopic rod 8 after clamping, the fifth telescopic rod 42 extends to drive the positioning ring 40 to move upwards to abut against the bottom of the sheet metal part during punching to position and support punched holes of the sheet metal part, meanwhile, the hydraulic rod 18 extends to drive the punching column 23 to move downwards, the punching column 23 punches the sheet metal part, waste materials fall onto the fixed partition plate 45 through the blanking hole 43 and then enter the blanking pipe 47, the hydraulic rod 18 shortens to drive the punching column 23 to ascend to the initial position after punching, the fifth telescopic rod 42 shortens to drive the positioning ring 40 to return to, then extension of third telescopic link 25 drives the downstream of loose ring 26, thereby drive polishing piece 37 downstream, fourth telescopic link 35 extension drives pole setting 34 inward movement, thereby polishing piece 37 inward movement, just correspond rather than being located punching column 23 below, hydraulic stem 18 extension this moment drives polishing piece 37 and stretches into the punching press of panel beating downthehole, motor 22 drive punching column 23 is rotatory to be driven polishing piece 37 rotatory, layer 38 of polishing polishes the burring to downthehole wall surface, the sweeps that produce during polishing falls into collecting box 44 through unloading hole 43 in, fall into collecting vat 48 through-hole 46.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The sheet metal punching device capable of reducing the burrs at the edges of holes comprises a workbench (1) and is characterized in that clamping devices are movably arranged on the front side and the rear side of the left side and the right side of the workbench (1) respectively, a backboard (2) is vertically and vertically fixedly connected to the rear end of the workbench (1), a top seat (3) is horizontally and fixedly connected to the top end of the backboard (2) forwards, a hydraulic cylinder (17) is fixedly arranged at the center of the top end of the top seat (3), a hydraulic rod (18) is vertically and fixedly connected to the output end of the hydraulic cylinder (17) downwards, the bottom end of the hydraulic rod (18) penetrates through the top seat (3) and is fixedly connected with the center of the top end of a connecting plate (19) horizontally arranged, a second mounting plate (21) is fixedly connected to the bottom end of the connecting plate (19) through a connecting rod (20) vertically and downwards uniformly arranged, a punching column (23) is vertically arranged at the bottom, the left side and the right side of the punching column (23) are respectively and movably provided with a polishing piece (37).

2. The sheet metal punching device capable of reducing burrs at the edge of a hole is characterized in that a first mounting plate (5) is vertically and longitudinally fixedly connected to four corners above a workbench (1), a first movable block (7) is connected to the inner side of the first mounting plate (5) inwards through a first horizontally arranged telescopic rod (6), a second movable block (9) is connected to the inner side of the first movable block (7) inwards through a second horizontally and longitudinally arranged telescopic rod (8), and a clamping device is arranged on the second movable block (9).

3. The sheet metal punching device capable of reducing burrs at the edge of a hole is characterized in that the clamping device comprises a lower clamp plate (10) horizontally and fixedly connected with a horizontal inner side of the lower portion of a second movable block (9), a vertical plate (11) vertically and vertically fixedly connected with the inner side of the top end of the second movable block (9), a top plate (12) horizontally and fixedly connected with the horizontal inner side of the top end of the vertical plate (11), an upper clamp plate (14) horizontally and transversely arranged is connected with the lower portion of the top plate (12) through a spring (13), a threaded rod (15) is connected onto the top plate (12) in a threaded mode, the bottom end of the threaded rod (15) penetrates through the spring (13) to extend towards the center of the top end of the upper clamp plate (14), and the top end of the threaded rod extends out of the top plate (12) and is fixedly connected with an.

4. The sheet metal punching device capable of reducing the hole edge burrs as claimed in claim 1, wherein a motor (22) is fixedly mounted on the second mounting plate (21), and the top end of the punching column (23) penetrates through the second mounting plate (21) and is fixedly connected with the output end of the motor (22).

5. The sheet metal punching device capable of reducing burrs at the edge of a hole according to claim 1, wherein a fixing plate (24) is fixedly connected to the periphery of the upper portion of the punching column (23), a movable ring (26) is movably arranged on the punching column (23) below the fixing plate (24), first sliding rails (27) are vertically paved on the left side and the right side of the pressing column (23) below the fixing plate (24), first pulleys (28) which are matched with each other are fixedly installed at the left end and the right end of the inner wall of the movable ring (26), and the left side and the right side of the upper portion of the movable ring (26) are connected with the bottom of the fixing plate (24) in corresponding positions through a vertically arranged third telescopic rod (25).

6. The sheet metal punching device capable of reducing burrs at the edge of a hole according to claim 5, wherein upright rods (34) are vertically and movably arranged on the left side and the right side of the bottom of the movable ring (26), outer ends of the left side and the right side of the bottom of the movable ring (26) are vertically and fixedly connected with outer connecting blocks (29) downwards, inner ends of the left side and the right side of the bottom of the movable ring (26) are vertically and fixedly connected with inner connecting blocks (30) downwards, guide rods (31) are horizontally and fixedly connected between the corresponding inner connecting blocks (30) and the outer connecting blocks (29), the top ends of the upright rods (34) penetrate through the guide rods (31), second sliding rails (32) are horizontally laid on the bottom walls of the movable ring (26) between the inner connecting blocks (30) and the outer connecting blocks (29), and matched second pulleys (33) are fixedly arranged at corresponding positions of the top ends of the upright rods (34) and the second sliding rails, and a fourth telescopic rod (35) is horizontally connected between the lower part of the outer connecting block (29) and the vertical rod (34).

7. The sheet metal punching device capable of reducing the burrs at the edges of holes in the sheet metal punching device according to claim 5, wherein an extension rod (36) is horizontally and transversely fixedly connected to the bottom end of the vertical rod (34) inwards, a polishing sheet (37) is fixedly connected to the bottom end of the extension rod (36) downwards, the cross section of the polishing sheet (37) is arc-shaped, the edge of the polishing sheet is consistent with the edge of the punching column (23), and a polishing layer (38) is arranged on the outer wall of the polishing sheet (37).

8. The sheet metal punching device capable of reducing burrs at the edge of a hole according to claim 1, wherein a groove (39) is formed inwards at a position above the workbench (1) corresponding to the punching column (23), a positioning ring (40) is movably arranged in the groove (39), the left end and the right end of the bottom of the positioning ring (40) are connected with the corresponding positions of the inner bottom wall of the groove (39) through a vertically arranged fifth telescopic rod (42), and a protrusion (41) is arranged downwards on the inner wall of the positioning ring (40).

9. The sheet metal punching device capable of reducing burrs at the edge of a hole according to claim 1, wherein a blanking hole (43) is formed in a position, corresponding to an inner ring of the positioning ring (40), of the workbench (1) below the groove (39), a collecting box (44) is fixedly connected to the bottom of the workbench (1) below the blanking hole (43), a fixed partition plate (45) is fixedly connected to the inner portion of the collecting box (44) in an inclined manner towards the lower right side, through holes (46) are uniformly formed in the fixed partition plate (45), a collecting groove (48) is arranged in the collecting box (44) below the fixed partition plate (45) in a pulling manner, and a blanking pipe (47) is communicated with the collecting box (44) on the right side of the fixed partition plate (45) towards the lower right side.

10. The sheet metal punching device capable of reducing burrs at the edge of a hole according to claim 1, wherein a support seat (4) is fixedly welded at the bottom of the workbench (1) downwards, and the support seat (4) comprises uniformly arranged support frames.