CN212704076U - Circular pipe positioning and clamping device - Google Patents

Abstract

The utility model relates to a circular tubular product positioning and clamping device belongs to the technical field that punches a hole, and it includes frame and workstation, be provided with the drift in the frame, the workstation is fixed in the frame, be provided with the fixed plate on the workstation, the fixed plate can be dismantled and set up on the workstation, the fixed plate is provided with places the piece, it is located to place the piece under the drift, the length direction's of the one side of workstation is kept away from to the fixed plate both sides all are provided with locating component and clamping mechanism, clamping mechanism is located two relative one sides of locating component. The round pipe is positioned through the positioning assembly, then the round pipe is clamped through the locking clamp, the round pipe can be fixed, and the punch can punch the round pipe.

Description

Circular pipe positioning and clamping device

Technical Field

The application relates to the technical field of punching machines, in particular to a circular pipe positioning and clamping device.

Background

The punch press is a stamping type press. In national production, the stamping process has the advantages of material and energy conservation, high efficiency, low technical requirement on operators and capability of making products which cannot be machined through various die applications compared with the traditional machining, so that the stamping process has wider and wider application.

The stamping production is mainly for plates, blanking, punching, forming, deep drawing, trimming, fine stamping, shaping, riveting, extruding and the like can be performed through a die, and the stamping production is widely applied to various fields. Chinese utility model patent that bulletin number is CN204262148U discloses a punch press, including the punch press lathe bed, be equipped with the drift link that is used for fixed drift on the punch press lathe bed, be equipped with the die on the punch press lathe bed, be equipped with the frock that is used for the clamping angle steel on the die, the frock is including the piece that compresses tightly that is used for compressing tightly the up end on angle steel horizontal limit, and the right side that compresses tightly is equipped with the locating piece that is used for with the lateral surface location fit on the vertical limit of angle steel with restriction angle steel towards the right side removal, the punch press still including be used for with the tip limit fit of angle steel is with the setting element of restriction angle steel forward.

Circular tubular product uses in actual life more extensively, and the surface of circular tubular product is the arc, to the correlation technique among the above-mentioned, is difficult to fix circular tubular product to punch a hole to circular tubular product.

Disclosure of Invention

In order to solve the problem that circular tubular product is difficult to fix on the punch press, this application provides a circular tubular product positioning and clamping device.

The application provides a pair of circular tubular product positioning and clamping device adopts following technical scheme:

a punch is arranged on the rack, the workbench is fixed on the rack, a fixing plate is arranged on the workbench, the fixing plate is detachably arranged on the workbench, a placing block is arranged on the fixing plate and is positioned right below the punch, positioning components and clamping mechanisms are arranged on two sides of one surface of the fixing plate, away from the workbench, in the length direction, and the clamping mechanisms are positioned on one side, opposite to the two positioning components, of the fixing plate;

clamping mechanism includes first fixed block and locking clamp, first fixed block is followed the width direction sliding connection of fixed plate, the locking clamp is fixed in on the first fixed block, be provided with on the locking clamp and supply the tubular product of different diameters to carry out the tight reducing piece of clamp.

Through adopting above-mentioned technical scheme, under the general condition, the hole on the circular tubular product is drilled through the drill bit, but when needing the hole of different shapes on the circular tubular product, the drill bit is difficult to realize, consequently need process the hole above the circular tubular product through the punch press, when pressing from both sides tightly circular tubular product on the punch press, at first place circular tubular product on placing the piece, secondly fix a position circular tubular product through locating component, then press from both sides circular tubular product tightly through the locking clamp, can fix circular tubular product, the drift can punch a hole to circular tubular product. The setting of reducing piece can be fixed to the circular tubular product of different diameters.

Preferably, the clamping mechanisms are arranged in two groups, one clamping mechanism is arranged on one side of the fixed plate in the width direction, and the other clamping mechanism is arranged on the other side of the fixed plate in the width direction.

Through adopting above-mentioned technical scheme, all be provided with a clamping mechanism in fixed plate width direction's both sides, can exert a relative power through two clamping mechanisms to circular tubular product, fix circular tubular product.

Preferably, the clamping mechanisms are arranged in four groups, the four groups of clamping mechanisms are arranged in pairs, each pair of clamping mechanisms are symmetrically arranged along the central line of the fixed plate in the width direction, and the two pairs of clamping mechanisms are positioned on the opposite sides of the two positioning assemblies.

Through adopting above-mentioned technical scheme, can press from both sides tight circular tubular product through every pair of clamping mechanism, make the power that the both ends of circular tubular product length direction all arrived can balance, reduce the phenomenon that circular tubular product produced the slope on the fixed plate.

Preferably, the locking clamp includes two first clamping pieces and the second clamping piece of holding tightly each other, first clamping piece and first fixed block fixed connection, the second clamping piece and the pin joint of first clamping piece, first clamping piece and second clamping piece all include a plurality of locking sections, every the locking section sets up to the arc, every adjacent two articulated each other between the locking section, the reducing part includes spacing spring, spacing spring is fixed in between two adjacent locking sections.

Through adopting above-mentioned technical scheme, when fixing circular tubular product, at first open the locking clamp, place circular tubular product in the locking clamp, spacing spring will be compressed, because the locking section sets up to the arc, spacing spring's resilience force will exert force to the locking section, the locking section will rotate round the centre of a circle of locking section, can hold circular tubular product tightly.

Preferably, the end of the first clamping piece and the end of the second clamping piece far away from the locking section are provided with compression springs, and the compression springs are fixed between the first clamping piece and the second clamping piece.

Through adopting above-mentioned technical scheme, compression spring's setting can exert opposite thrust to first clamping piece and second clamping piece all the time to can be fixed firm more reliable with circular tubular product through first clamping piece and second clamping piece.

Preferably, it is every to be provided with first stud between the clamping mechanism, first stud screw thread wears to locate two between the first fixed block, and with stud threaded connection, first mounting groove has been seted up to the fixed plate along its width direction, first stud rotates and sets up in first mounting groove.

Through adopting above-mentioned technical scheme, when needing to press from both sides tight to circular tubular product, rotate first stud, can make two first fixed blocks along first stud length direction relative movement, press from both sides tight to circular tubular product, make circular tubular product be in under the drift all the time, the phenomenon that the punching a hole on the messenger circular tubular product is difficult to produce the skew.

Preferably, the fixed plate has seted up the second mounting groove along its width direction, be provided with second double-end screw in the second mounting groove, second double-end screw rotates and sets up in the second mounting groove, the equal thread bush in both ends of second double-end screw is equipped with the second fixed block, the fixed sucking disc that is provided with on the second fixed block, the sucking disc sets up with the tubular product laminating.

Through adopting above-mentioned technical scheme, after circular tubular product installation was accomplished, rotate second stud, second fixed block along the length direction relative movement of second stud, sucking disc and circular tubular product contact continue to rotate stud, extrude between sucking disc and the circular tubular product, with the inside air escape of sucking disc, can hold circular tubular product with the sucking disc, reduce circular tubular product and produce circumferential motion.

Preferably, the positioning assembly comprises a cylinder and positioning blocks, the cylinder and the positioning blocks are located at two ends of the fixing plate in the length direction, the cylinder is fixed on the rack, the positioning blocks are fixed at one ends, opposite to the telescopic rods, of the cylinder, and the pipe is arranged between the two positioning blocks.

Through adopting above-mentioned technical scheme, place circular tubular product on the fixed plate, start two cylinders, carry out the butt with two locating piece relative motion, with the tip of circular tubular product, can fix a position circular tubular product on the one hand, on the other hand can be with the reliable clamp of circular tubular product between two locating pieces.

Preferably, the vertical screw rod that is provided with on the first fixed block, it is equipped with the gag lever post to rotate the cover on the screw rod, the tip of screw rod is provided with lock nut, the gag lever post is towards the one side of first fixed block and the one side laminating each other of keeping away from first mounting of second clamping piece.

Through adopting above-mentioned technical scheme, when installing circular tubular product, push down the second clamping piece, then rotate the gag lever post, with the relative butt of gag lever post and second clamping piece, carry on spacingly to the gag lever post through lock nut, place circular tubular product in the locking clamp, rotate the gag lever post at last, with gag lever post and second clamping piece disconnection, can make first clamping piece reset, press from both sides tightly circular tubular product.

Preferably, the opposite surfaces of the first clamping piece and the second clamping piece are provided with a plurality of rubber bulges.

Through adopting above-mentioned technical scheme, the bellied setting of rubber can increase the frictional force between circular tubular product and first clamping piece and the second clamping piece on the one hand, makes circular tubular product be difficult to produce circumferential motion, and on the other hand can protect the surface of circular tubular product, reduces the damage on circular tubular product surface.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the positioning assembly and the clamping mechanism, the effect of fixedly clamping the round pipe can be achieved;

2. through the arrangement of the variable diameter parts, the effect of fixing the circular pipes with different diameters can be achieved;

3. through the setting of second mounting groove, second double-end screw, second fixed block and sucking disc, can play the effect that reduces circular tubular product and produce circumferential motion.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a press machine according to the present application;

FIG. 2 is a schematic view of the positioning and clamping device of the present application;

FIG. 3 is a schematic view of the mounting structure of the clamping mechanism of the present application;

FIG. 4 is a schematic view of the mounting structure of the suction cup of the present application;

fig. 5 is a schematic view of the structure of the clamping mechanism in the present application.

In the figure, 1, a frame; 11. a work table; 12. a punch; 2. a fixing plate; 21. placing the blocks; 22. an arc-shaped slot; 3. a positioning assembly; 31. a cylinder; 32. positioning blocks; 4. a clamping mechanism; 41. a first fixed block; 42. a locking clamp; 421. a first clip piece; 422. a second clip; 423. a locking section; 424. a limiting spring; 425. a compression spring; 426. a first double-headed screw; 427. a first mounting groove; 428. a rubber bulge; 429. a turntable; 5. a second mounting groove; 51. a second double-ended screw; 52. a second fixed block; 53. a suction cup; 6. a screw; 61. a limiting rod; 62. locking the nut; 7. a circular tube.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The application discloses a circular tubular product positioning and clamping device, refer to fig. 1, including frame 1 and workstation 11, be provided with drift 12 in the frame 1, workstation 11 is fixed in frame 1, workstation 11 is located drift 12 under, there is fixed plate 2 through bolt locking on workstation 11, the integral type is provided with places piece 21 on fixed plate 2, place piece 21 and be located drift 12 under, place and seted up arc wall 22 on the piece 21, circular tubular product 7 is placed in the arc wall 22. The length direction's of the one side of fixed plate 2 keeping away from workstation 11 both sides all are provided with locating component 3 and clamping mechanism 4, and clamping mechanism 4 is located two locating component 3 relative one side.

Referring to fig. 1, the positioning assembly 3 includes cylinders 31 and positioning blocks 32 located at two ends of the fixing plate 2 in the length direction, the cylinders 31 are fixed at two sides of the frame 1, the telescopic rods of the two cylinders 31 extend and contract relatively, the two positioning blocks 32 are fixed at two ends of the two cylinders 31 opposite to each other, and the circular tube 7 is disposed between the two positioning blocks 32. Set up locating piece 32 into the circular cone, coincide the apex of locating piece 32 and the axis of circular tubular product 7, then drive actuating cylinder 31, reliably carry out the butt with circular tubular product 7 through locating piece 32.

Referring to fig. 2 and 3, in the present embodiment, the clamping mechanisms 4 are arranged in four groups, each two groups of clamping mechanisms 4 are a pair, two pairs of clamping mechanisms 4 are respectively located at two ends of the circular tube 7 in the length direction, and each pair of clamping mechanisms 4 are arranged oppositely. The clamping mechanism 4 includes a first fixing block 41 and a locking clamp 42 fixed to the first fixing block 41. The fixing plate 2 is formed with a first mounting groove 427 along a width direction thereof, a first stud 426 is disposed between each pair of clamping mechanisms 4, and the first stud 426 is rotatably disposed in the first mounting groove 427. The two first fixing blocks 41 are located in the first mounting groove 427, and the first stud 426 is threaded between the two first fixing blocks 41 and is in threaded connection with the first stud 426.

Referring to fig. 2 and 4, a second mounting groove 5 is formed in the fixing plate 2 along the width direction of the fixing plate, a second fixing block 52 is placed in the second mounting groove 5, a suction cup 53 is fixedly arranged on the second fixing block 52, the suction cup 53 is attached to the circular pipe 7, a second stud 51 is arranged in the second mounting groove 5, the second stud 51 is rotatably arranged in the second mounting groove 5, and the second stud 51 is threaded between the two second fixing blocks 52. A turntable 429 is fixed to each end of the first and second stud screws 426 and 51 to facilitate movement of the first and second fixing blocks 41 and 52.

Referring to fig. 5, the locking clip 42 includes a first jaw 421 and a second jaw 422, and the first jaw 421 and the second jaw 422 clasp the circular tube 7. First clamping piece 421 and first fixed block 41 fixed connection, second clamping piece 422 and the pin joint of first clamping piece 421 press second clamping piece 422 can realize opening and shutting of first clamping piece 421 and second clamping piece 422, press from both sides tightly and loosen circular tubular product 7. The locking clamp 42 is provided with a reducing part, in this embodiment, the reducing part includes a limiting spring 424, the first clamping piece 421 and the second clamping piece 422 both include a plurality of locking sections 423, each locking section 423 is set to be arc-shaped, every two adjacent locking sections 423 are hinged to each other, and the limiting spring 424 is fixed between the two adjacent locking sections 423. The resilience of the limiting spring 424 exerts a force on the locking section 423, and the locking section 423 rotates around the circle center of the locking section 423, so that the round pipe 7 can be clasped.

Referring to fig. 5, a plurality of rubber protrusions 428 are disposed on opposite surfaces of the first clip 421 and the second clip 422 to increase friction between the circular tube 7 and the first clip 421 and the second clip 422, so that the circular tube 7 is not easy to move circumferentially. One end of the first clamping piece 421 and the second clamping piece 422 far away from the locking section 423 is provided with a compression spring 425, the compression spring 425 is fixed between the first clamping piece 421 and the second clamping piece 422, and the compression spring 425 applies opposite thrust to the first clamping piece 421 and the second clamping piece 422, so that the first clamping piece 421 and the second clamping piece 422 apply opposite thrust to the round pipe 7, and the round pipe 7 can be fixed more firmly and reliably.

Referring to fig. 3 and 5, a screw 6 is vertically arranged on the first fixing block 41, a limiting rod 61 and a locking nut 62 are sequentially sleeved on the screw 6, the limiting rod 61 is rotatably sleeved on the screw 6, the locking nut 62 is in threaded connection with the screw 6, and one surface of the limiting rod 61 facing the first fixing block 41 and one surface of the second clamping piece 422 far away from the first fixing piece are mutually attached. When the limiting rod 61 and the second clamping piece 422 are abutted relatively, the locking nut 62 is rotated, the second clamping piece 422 is pressed down through the limiting rod 61, and the opening and closing sizes of the first clamping piece 421 and the second clamping piece 422 are adjusted to install the round pipes 7 with different diameters.

The implementation principle of the circular pipe positioning and clamping device in the embodiment of the application is as follows: first, press second clamping piece 422, rotate gag lever post 61, with the lower surface of gag lever post 61 and the upper surface laminating of second clamping piece 422, rotate lock nut 62, press down second clamping piece 422, can open first clamping piece 421 and second clamping piece 422. Next, the turntable 429 on the first stud 426 and the second stud 51 is rotated to move the first fixed blocks 41 and the second fixed blocks 52 arranged in pairs toward both sides in the width direction of the fixed blocks. Thirdly, place circular tubular product 7 on placing the piece 21, rotate carousel 429 on the first double-end screw 426, make the both ends of circular tubular product 7 place on second clamping piece 422, then rotate gag lever post 61, break away from the connection with gag lever post 61 and second clamping piece 422, first clamping piece 421 resets, presss from both sides tightly circular tubular product 7. Then, the rotating disc 429 on the second stud 51 is rotated, the second fixing block 52 moves relatively along the length direction of the second stud 51, the suction cup 53 is in contact with the circular pipe 7, the stud is continuously rotated, the suction cup 53 and the circular pipe 7 are squeezed, air in the suction cup 53 is exhausted, and the circular pipe 7 is prevented from moving circumferentially by sucking the suction cup 53 to the circular pipe 7. Finally, the round tube 7 is punched by a punch 12.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a circular tubular product positioning and clamping device, includes frame (1) and workstation (11), be provided with drift (12) on frame (1), workstation (11) are fixed in on frame (1), its characterized in that: the punching device is characterized in that a fixing plate (2) is arranged on the workbench (11), the fixing plate (2) is detachably arranged on the workbench (11), a placing block (21) is arranged on the fixing plate (2), the placing block (21) is positioned under the punch (12), positioning components (3) and clamping mechanisms (4) are arranged on two sides of one surface, far away from the workbench (11), of the fixing plate (2) in the length direction, and the clamping mechanisms (4) are positioned on one side, opposite to the two positioning components (3);

clamping mechanism (4) include first fixed block (41) and locking clamp (42), first fixed block (41) are followed the width direction sliding connection of fixed plate (2), locking clamp (42) are fixed in on first fixed block (41), be provided with on locking clamp (42) and supply the tubular product of different diameters to carry out the reducing of pressing from both sides tightly.

2. The round pipe positioning and clamping device as recited in claim 1, wherein: the clamping mechanisms (4) are arranged in two groups, one clamping mechanism (4) is arranged on one side of the fixed plate (2) in the width direction, and the other clamping mechanism (4) is arranged on the other side of the fixed plate (2) in the width direction.

3. The round pipe positioning and clamping device as recited in claim 2, wherein: the clamping mechanisms (4) are arranged into four groups, the four groups of clamping mechanisms (4) are arranged in pairs, each pair of clamping mechanisms (4) are symmetrically arranged along the central line of the fixed plate (2) in the width direction, and the two pairs of clamping mechanisms (4) are positioned on one side opposite to the two positioning assemblies (3).

4. The round pipe positioning and clamping device as recited in claim 3, wherein: locking clamp (42) include two first clamping piece (421) and second clamping piece (422) of holding tightly each other, first clamping piece (421) and first fixed block (41) fixed connection, second clamping piece (422) and first clamping piece (421) pin joint, first clamping piece (421) and second clamping piece (422) all include a plurality of locking sections (423), every locking section (423) all set up to the arc, every adjacent two it is articulated each other between locking section (423), the reducing part is spacing spring (424), spacing spring (424) are fixed in between two adjacent locking sections (423).

5. The round pipe positioning and clamping device as recited in claim 4, wherein: one ends, far away from the locking section (423), of the first clamping piece (421) and the second clamping piece (422) are provided with compression springs (425), and the compression springs (425) are fixed between the first clamping piece (421) and the second clamping piece (422).

6. The round pipe positioning and clamping device as recited in claim 3, wherein: a first double-threaded screw (426) is arranged between each pair of clamping mechanisms (4), the first double-threaded screw (426) penetrates through the two first fixing blocks (41) in a threaded mode and is in threaded connection with the first double-threaded screw (426), a first mounting groove (427) is formed in the fixing plate (2) in the width direction of the fixing plate, and the first double-threaded screw (426) is rotatably arranged in the first mounting groove (427).

7. The round pipe positioning and clamping device as recited in claim 1, wherein: second mounting groove (5) have been seted up along its width direction to fixed plate (2), be provided with second double-end screw (51) in second mounting groove (5), second double-end screw (51) rotate to set up in second mounting groove (5), the equal thread bush in both ends of second double-end screw (51) is equipped with second fixed block (52), fixed sucking disc (53) that are provided with on second fixed block (52), sucking disc (53) and circular tubular product (7) laminating setting.

8. The round pipe positioning and clamping device as recited in claim 1, wherein: the positioning assembly (3) comprises air cylinders (31) and positioning blocks (32) which are located at two ends of the fixing plate (2) in the length direction, the air cylinders (31) are fixed on the rack (1), the positioning blocks (32) are fixed at two ends, opposite to telescopic rods, of the air cylinders (31), and the circular pipes (7) are arranged between the positioning blocks (32).

9. The round pipe positioning and clamping device as recited in claim 5, wherein: the vertical screw rod (6) that is provided with on first fixed block (41), it is equipped with gag lever post (61) to rotate the cover on screw rod (6), the tip of screw rod (6) is provided with lock nut (62), the one side of first mounting is kept away from each other laminating to gag lever post (61) one side and second clamping piece (422) towards first fixed block (41).

10. The round pipe positioning and clamping device as recited in claim 4, wherein: and a plurality of rubber bulges (428) are arranged on the opposite surfaces of the first clamping piece (421) and the second clamping piece (422).

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