CN209174645U - Metal tube double end bending machine - Google Patents

Abstract

The utility model provides a kind of metal tube double end bending machine, including base, pressing and bending device, feeding device, blanking device and lifting drive, pressing and bending device includes elastic lifting seat, bed die tool, two hinged seats, two Bending Moulds and stamping die, bed die tool can be installed on to elastic lifting on elastic lifting seat, the opposite both ends for being installed on elastic lifting seat of two hinged seats, Bending Mould is articulated on hinged seat, reset spring is connected between Bending Mould and base, limited block is formed between Bending Mould and hinged seat, stamping die is liftably set to the surface of bed die tool by lifting drive, bed die tool is equipped with underside recess, Bending Mould is equipped with bending groove, stamping die bottom surface is equipped with top side corresponding with underside recess groove, its inclined-plane is equipped with oblique groove, feeding device and Blanking device is respectively used to automatic charging and automatic blanking.The metal tube double end bending machine is conducive to production efficiency of keeping the safety in production and improve.

Description

Metal tube double end bending machine

Technical field

The utility model relates to metal tube bending equipment, in particular to a kind of metal tube double end bending machine.

Background technique

The multilayer document basket made of metal tube material, including a support frame and the multiple nets being installed on support frame Basket, support frame include pedestal, and pedestal includes the metal tube for two double end bendings being oppositely arranged and is connected to two double end bendings Metal tube between two connecting tubes, the metal tube of double end bending generally use by straight tube progress both ends bending forms, it is existing Apparatus for bending the degree of automation it is inadequate, also transition relies on manual operation and completes bending, and it is hidden to there is safety in operation Suffer from, and production efficiency is lower.

Utility model content

In view of the above, the utility model provides a kind of metal tube double end bending machine, the metal tube double end bending function It is automatically performed entire process, reduces manual operation risk, is conducive to production efficiency of keeping the safety in production and improve.

The utility model relates to technical solution:

A kind of metal tube double end bending machine, including base, pressing and bending device, feeding device, blanking device and lifting are driven Dynamic device, pressing and bending device includes elastic lifting seat, bed die tool, two hinged seats, two Bending Moulds and stamping die, bullet Property lifting seat be installed on base, bed die tool can be installed on to elastic lifting on elastic lifting seat, and two hinged seats are opposite to be installed In the both ends of elastic lifting seat, each Bending Mould is articulated on each hinged seat, is connected between each Bending Mould and base There is reset spring, so that Bending Mould and bed die tool keep horizontal, is formed between each Bending Mould and each hinged seat limited Position block, to limit the rotation angle of each Bending Mould, stamping die is liftably set to bottom by lifting drive The surface of mold, bed die tool is equipped at least one underside recess, for accommodating the lower half of workpiece flat segments, Bending Mould It is equipped with the bending groove being conducted with underside recess, for accommodating the lower half of workpiece bending section, stamping die has a bottom Face and the opposite inclined-plane for being connected to bottom surface both ends, bottom surface is equipped with top side corresponding with underside recess groove, for accommodating workpiece The upper half of flat segments, inclined-plane are equipped with oblique groove corresponding with bending groove, and oblique groove is connected with top side groove, oblique Groove is used to accommodate the upper half of workpiece bending section；Feeding device and blanking device are respectively used to automatic charging and automatic blanking.

Further, the elastic lifting seat includes the bottom plate being fixed on the machine seat, and vertically convexedly stretches in four on bottom plate Guide post, the spring being sheathed on each guide post and four bolts, bed die tool offer through-hole corresponding with each guide post, often One guide post is arranged in each through-hole, and spring is held between bottom plate and bed die tool, and bed die tool offers corresponding with each bolt Perforation, the outer diameter of bolt is less than the internal diameter of perforation, and bolt, which passes through, perforates and be spirally connected with bottom plate.

Further, punching cutter is vertically installed on the bottom plate, correspondence offers on Bending Mould and stamping die Punching corresponding with punching cutter.

Further, the feeding device includes material storing box, crosswise pushing mechanism and longitudinal delivery device, material storing box installation In on base, the bottom side of material storing box is equipped with feed opening, and crosswise pushing mechanism includes being set on base and being located at below material storing box Two sliding rails disposed in parallel, the bearing seat being slideably positioned on two sliding rails, and for driving bearing seat to reciprocatingly slide Laterally driven part, longitudinal delivery device are installed on base, for the workpiece on bearing seat to be pushed to pressing and bending device Predetermined position.

Further, the bearing seat includes seat board and vertically convexedly stretches in the support plate of seat plate on both sides, opens up on support plate There is the accommodation groove for accommodating workpiece.

Further, longitudinal delivery device includes guide rail, and the sliding block being slideably positioned on guide rail is fixed on sliding block Push rod, the supporting piece being fixed on push rod, and for drive sliding block slide zigzag tread patterns part.

Further, clamping plate is installed, clamping plate is located at supporting piece or more on the sliding block.

Further, the blanking device includes fixing seat, driven in translation cylinder, connecting plate, two clamping jaws and two clamping jaws Actuator, fixing seat include both side plate and cover at top plate on both side plate, and driven in translation cylinder is installed on top plate lower surface, connects Plate is fixed in the translation end of driven in translation cylinder, the opposite both ends for being installed on connecting plate of two clamping jaws, two clamping jaw actuator difference The both ends of connecting plate are installed on, for driving the opposite clamping of each clamping jaw or opening, on base top surface and are located at two clamping jaws Underface offers landing mouth.

Further, the clamping jaw includes the clamping jaw seat for being fixed on connecting plate, the strap being fixed on above clamping jaw seat, The articulated slab being articulated with below clamping jaw seat.

Further, the telescopic rod of the clamping jaw actuator and the driving end of articulated slab are hinged, and the position of strap is high Has preset distance in bed die.

To sum up, the utility model metal tube double end bending machine is liquidated backfin bending apparatus automatic charging by feeding device, punching Backfin bending apparatus completes bending operation under the driving of lifting drive, the good workpiece of bending pass through again blanking device it is automatic under Material, forms automated operation so on circulate, is automatically performed entire process, reduce manual operation risk, be conducive to safety Production and raising production efficiency.

Detailed description of the invention

Fig. 1 is the main view of workpiece of the utility model metal tube double end bending machine after the workpiece of bending and bending；

Fig. 2 is the assembling assumption diagram of the utility model metal tube double end bending machine；

Fig. 3 is the local assembling assumption diagram at the first visual angle of the utility model metal tube double end bending machine；

Fig. 4 is the local assembling assumption diagram at the second visual angle of the utility model metal tube double end bending machine；

Fig. 5 is the partial exploded view of the utility model metal tube double end bending machine；

Fig. 6 is the exploded view of the pressing and bending device of the utility model metal tube double end bending machine.

Specific embodiment

Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear Chu is fully described by.It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to Limit scope of protection of the utility model.

Fig. 1 to Fig. 6 is please referred to, the utility model provides a kind of metal tube double end bending machine, for by the both ends phase of straight tube A Doubling bending at bend pipe B, metal tube double end bending machine include base 1, pressing and bending device 2, feeding device 3, blanking device 4 and Lifting drive 5, pressing and bending device 2 include elastic lifting seat 21, bed die tool 22, two hinged seats, 23, two benders Tool 24 and stamping die 25, elastic lifting seat 21 are installed on base 1, and bed die tool 22 can be installed on elastic lifting to elastic lifting On seat 21, the opposite both ends for being installed on elastic lifting seat 21 of two hinged seats 23, each Bending Mould 24 is articulated with each hinged On seat 23, it is connected with reset spring (not shown) between each Bending Mould 24 and base 1, so that Bending Mould 24 and bed die have 22 keep horizontal, limited block are formed between each Bending Mould 24 and each hinged seat 23, to limit each Bending Mould 24 rotation angle, stamping die 25 are liftably set to the surface of bed die tool 22, bed die tool by lifting drive 5 22 are equipped at least one underside recess 221, and for accommodating the lower half of workpiece flat segments, Bending Mould 24 is equipped with and bottom side The bending groove 241 that groove 221 is conducted, for accommodating the lower half of workpiece bending section, stamping die 25 has a bottom surface 251 And the opposite inclined-plane 252 for being connected to 251 both ends of bottom surface, bottom surface 251 are equipped with top side corresponding with underside recess 221 groove 253, For accommodating the upper half of workpiece flat segments, inclined-plane 252 is equipped with oblique groove 254 corresponding with bending groove 241, oblique recessed Slot 254 and top side groove 253 are connected, and oblique groove 254 is used to accommodate the upper half of workpiece bending section；Feeding device 3 and blanking Device 4 is mounted side by side on base 1, is respectively used to automatic charging and automatic blanking；When 25 downward punching press of stamping die, it is placed in The flat segments of workpiece in underside recess 221 decline, and are placed in the workpiece both ends in two bending grooves 241 relative to hinged seat 23 Axis rotation and bending.

Fig. 5 and Fig. 6 is please referred to, elastic lifting seat 21 includes the bottom plate 211 being fixed on base 1, vertically convexedly stretches in bottom plate Four guide posts 212 on 211, the spring 213 being sheathed on each guide post 212 and four bolts 214, bed die tool 22 open up Have through-hole corresponding with each guide post 212, each guide post 212 is arranged in each through-hole, spring 213 be held in bottom plate 211 with Between bed die tool 22, bed die tool 22 offers perforation corresponding with each bolt 214, and the outer diameter of bolt 214 is less than the interior of perforation Diameter, bolt 214, which passes through, perforates and is spirally connected with bottom plate 211.By turn bolt 214 be adjustable spring 213 elastic force and So that underside recess 221 and two bending grooves 241 are conducted.

For the ease of other connecting tubes affixed on bend pipe B, need to drill on bend pipe B.In order to further increase production Efficiency, is vertically installed with punching cutter 215 on bottom plate 211, corresponding on Bending Mould 24 and stamping die 25 to offer and punching The corresponding punching of cutter 215, to workpiece punching.The number of punching cutter 215 and position depending on actual needs, this The punching cutter 215 that embodiment is is four, and every two punching cutter 215 is one group to same workpiece punching.

Further, the inside on bottom plate 211 positioned at four guide posts 212 is provided with buffer stopper 216, and buffer stopper 216 can be adopted With elastic material block, to reduce stamping die 25 to the impact force of bottom plate 211, and play the role of limit.

Fig. 4 and Fig. 5 is please referred to, feeding device 3 includes material storing box 31, crosswise pushing mechanism 32 and longitudinal delivery device 33, Material storing box 31 is installed on base 1, and for storing straight tube A to be processed, the bottom side of material storing box 31 is equipped with feed opening 311, laterally Delivery device 32 includes two sliding rails 321 disposed in parallel for being set on base 1 and being located at 31 lower section of material storing box, sliding setting Bearing seat 322 on two sliding rails 321, and the laterally driven part 323 for driving bearing seat 322 to reciprocatingly slide, material storing box Straight tube A in 31 glides from feed opening 311 and is positioned on bearing seat 322, laterally driven part 323 drive bearing seat 322 and its On straight tube A slide into the outside of material storing box 31 together and stop, longitudinal delivery device 33 is installed on base 1, for that will carry Straight tube A on seat 322 pushes to predetermined position (the i.e. underside recess 221 and two 254 shapes of oblique groove of pressing and bending device 2 At accommodating space in).

Bearing seat 322 includes seat board 3221 and vertically convexedly stretches in the support plate 3222 of 3221 two sides of seat board, support plate 3222 On offer accommodation groove 3223 for accommodating straight tube A.

Material storing box 31 includes opposite two support plates 311 erected, and the oblique cunning between two support plates 311 is fixed in inclination Plate 312, feed opening 311 are located at the least significant end of taper slide 312, so that straight tube A slides along the downslide of taper slide 312 through feed opening 311 To accommodation groove 3223.

The side for stretching outer stretching of seat board 322 is equipped with limiting slot 3224, is fixed with and 3224 phase of limiting slot on 1 top surface of base The limited block 3225 of cooperation, so that accommodation groove 3223 and underside recess 221 and two oblique grooves 254 are conducted.

Longitudinal delivery device 33 includes guide rail 331, and the sliding block 332 being slideably positioned on guide rail 331 is fixed in sliding block 332 On push rod 333, the supporting piece 334 being fixed on push rod 333, and for drive sliding block 332 slide zigzag tread patterns part 335, when bearing seat 322, which carries straight tube A, slides into 31 outside of material storing box, supporting piece 334 is held in the end of straight tube A, vertical To under the driving of actuator 335, the promotion of supporting piece 334 straight tube A slides into underside recess 221 along accommodation groove 3223 and two oblique In groove 254.

Conical structure can be used in supporting piece 334, so that conical end is arranged in straight tube A, so that stress more evenly, pushes away It send more stable.

Further, clamping plate 336 is installed, clamping plate 336 is located at 334 or more supporting piece, straight tube A is determined on sliding block 332 It is slided in accommodation groove 3223, prevents straight tube A from popping up.

Longitudinal delivery device 33 further includes transition carrier block 337, and transition carrier block 337 is set to be pushed along accommodation groove 3223 The side in direction offers the lead-over groove 3371 being conducted with accommodation groove 3223 on transition carrier block 337, with guide straight tube A from Accommodation groove 3223 transits in underside recess 221 and two oblique grooves 254, and straight tube A is avoided to lack stabilization during push It supports and slides.

Fig. 3 to Fig. 5 is please referred to, blanking device 4 includes fixing seat 41,43, two driven in translation cylinder 42, connecting plate clamping jaws 44 And two clamping jaw actuators 45, fixing seat 41 include both side plate and cover at top plate on both side plate, driven in translation cylinder 42 is installed In top plate lower surface, connecting plate 43 is fixed in the translation end of driven in translation cylinder 42, and two clamping jaws 44 are opposite to be installed on connecting plate 43 Both ends, two clamping jaw actuators 45 are respectively arranged in the both ends of connecting plate 43, for drive the opposite clamping of each clamping jaw 44 or It opens, offers on 1 top surface of base and positioned at the underface of two clamping jaws 44 and slide mouth 11, so that workpiece slides to base 1 In the predetermined container of side.

Driven in translation cylinder 42 drives two clamping jaws 44 to be moved to stopping at the both ends of workpiece with open configuration, and two clamping jaws drive Moving part 45 respectively drives two clamping jaws 44 with respect to clamping workpiece, and driven in translation cylinder 42 drives two clamping jaws 44 for being clamped with workpiece to move Stopping when moving to the surface for sliding mouth 11, two clamping jaw actuators 45 respectively drive two clamping jaws 44 and open, and workpiece is detached from two A clamping jaw 44 simultaneously falls along mouth 11 is slid.

Driven in translation cylinder 42 includes cylinder body 421, is arranged in the piston rod 422 of cylinder body 421 and is fixed in the top of fixing seat 41 Two fixed blocks 423 on plate, the both ends of piston rod 422 are individually fixed on two fixed blocks 423, and cylinder body 421 can be along piston Bar 422 reciprocatingly slides, and connecting plate 43 is fixed on cylinder body 421.

Clamping jaw 44 includes the clamping jaw seat 441 for being fixed on connecting plate 43, is fixed on the strap 442 of 441 top of clamping jaw seat, It is articulated with the articulated slab 443 of 441 lower section of clamping jaw seat.

The telescopic rod of clamping jaw actuator 45 and the driving end of articulated slab 443 are hinged, to drive 443 opposing fingers seat of articulated slab Axis on 441 rotates and clamps or open with 442 phase of strap, and the position of strap 442 is higher than bed die and has 22 pre- spacings From workpiece being lifted away to the underside recess 221 of bed die tool 22 and clamping workpiece upwards outward when rotating upwards so as to articulated slab 443 It is mobile to take out.

Holding tank 4421 is offered on strap 442, for stable holding workpiece, prevents from sliding.

It is located to slide to tilt down at mouth 11 on 1 top surface of base and is provided with slide plate 12, so that workpiece is sliding along slide plate 12 Drop down onto predetermined position.

In use, straight tube A is placed in material storing box 31, the straight tube A of lowermost end is due to gravity slide-in support plate In accommodation groove 3223 on 3222, support plate 3222 drives straight tube A to slide into material storing box 31 under the driving of laterally driven part 323 Stop when outside, supporting piece 334 is held in the end of straight tube A under the drive of sliding block 332 and pushes straight tube A along accommodation groove 3223 It is moved in underside recess 221 and two oblique grooves 254, supporting piece 334 and sliding block 332 return to initial position and be ready for down The push process of one wheel, stamping die 25 push drive 22 decline of bed die tool and the rotation of two Bending Moulds 24 and formed opening to On notch configuration, straight tube A strikes out bend pipe B in notch configuration, after molding, stamping die 25 rise, bed die tool 22 and two A Bending Mould 24 resets, and two clamping jaws 44 are moved to the gap location of bed die tool 22 and two Bending Moulds 24, articulated slab 443 to Bend pipe B is lifted away from the underside recess 221 of bed die tool 22 upwards and clamped after bend pipe B moves preset distance outward by upper rotation to stop Only, articulated slab 443 is rotated down release bend pipe B.

To sum up, the utility model metal tube double end bending machine is liquidated 2 automatic charging of backfin bending apparatus by feeding device 3, Pressing and bending device 2 completes bending operation under the driving of lifting drive 5, and the good workpiece of bending passes through blanking device 4 again Automatic blanking forms automated operation so on circulate, is automatically performed entire process, reduces manual operation risk, favorably In safety in production and improve production efficiency.

The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases The technical field of pass, is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of metal tube double end bending machine, which is characterized in that including base (1), pressing and bending device (2), feeding device (3), blanking device (4) and lifting drive (5), pressing and bending device (2) include elastic lifting seat (21), bed die tool (22), two hinged seats (23), two Bending Moulds (24) and stamping die (25), elastic lifting seat (21) are installed on base (1) on, bed die tool (22) can be installed on to elastic lifting on elastic lifting seat (21), and two hinged seats (23) are opposite to be installed on bullet Property lifting seat (21) both ends, each Bending Mould (24) is articulated on each hinged seat (23), each Bending Mould (24) with Base is connected with reset spring between (1), so that Bending Mould (24) and bed die tool (22) keep horizontal, each Bending Mould (24) it is formed with limited block between each hinged seat (23), to limit the rotation angle of each Bending Mould (24), punching press Mold (25) is liftably set to the surface of bed die tool (22) by lifting drive (5), and bed die tool (22) is equipped with At least one underside recess (221), for accommodating the lower half of workpiece flat segments, Bending Mould (24) is equipped with and underside recess (221) the bending groove (241) being conducted, for accommodating the lower half of workpiece bending section, stamping die (25) has a bottom surface (251) and the opposite inclined-plane (252) for being connected to bottom surface (251) both ends, bottom surface (251) are equipped with corresponding with underside recess (221) Top side groove (253), for accommodating the upper half of workpiece flat segments, inclined-plane (252) are equipped with corresponding with bending groove (241) Oblique groove (254), oblique groove (254) and top side groove (253) are connected, and oblique groove (254) is for accommodating workpiece folding The upper half of curved segment；Feeding device (3) and blanking device (4) are respectively used to automatic charging and automatic blanking.

2. metal tube double end bending machine according to claim 1, which is characterized in that the elastic lifting seat (21) includes solid Due to the bottom plate (211) on base (1), four guide posts (212) on bottom plate (211) are vertically convexedly stretched in, each guide post is sheathed on (212) spring (213) and four bolts (214) on, bed die tool (22) offer corresponding with each guide post (212) logical Hole, each guide post (212) are arranged in each through-hole, and spring (213) is held between bottom plate (211) and bed die tool (22), bottom Mold (22) offers perforation corresponding with each bolt (214), and the outer diameter of bolt (214) is less than the internal diameter of perforation, bolt (214) it passes through and perforates and be spirally connected with bottom plate (211).

3. metal tube double end bending machine according to claim 2, which is characterized in that right angle setting on the bottom plate (211) Have punching cutter (215), correspondence offers corresponding with punching cutter (215) on Bending Mould (24) and stamping die (25) Punching.

4. metal tube double end bending machine according to claim 1, which is characterized in that the feeding device (3) includes storing Case (31), crosswise pushing mechanism (32) and longitudinal delivery device (33), material storing box (31) are installed on base (1), material storing box (31) bottom side is equipped with feed opening (311), and crosswise pushing mechanism (32) includes being set on base (1) and being located at material storing box (31) The sliding rail (321) disposed in parallel of two of lower section, the bearing seat (322) being slideably positioned on two sliding rails (321), and for driving The laterally driven part (323) that dynamic bearing seat (322) reciprocatingly slide, longitudinal delivery device (33) are installed on base (1), and being used for will Workpiece on bearing seat (322) pushes to the predetermined position of pressing and bending device (2).

5. metal tube double end bending machine according to claim 4, which is characterized in that the bearing seat (322) includes seat board (3221) and vertically the support plate (3222) of seat board (3221) two sides is convexedly stretched in, support plate offers on (3222) for accommodating work The accommodation groove (3223) of part.

6. metal tube double end bending machine according to claim 4, which is characterized in that it is described longitudinal direction delivery device (33) include Guide rail (331), the sliding block (332) being slideably positioned on guide rail (331), the push rod (333) being fixed on sliding block (332) are affixed In the supporting piece (334) on push rod (333), and the zigzag tread patterns part (335) for driving sliding block (332) to slide.

7. metal tube double end bending machine according to claim 6, which is characterized in that be equipped with folder on the sliding block (332) Plate (336), clamping plate (336) are located at supporting piece (334) or more.

8. metal tube double end bending machine according to claim 1, which is characterized in that the blanking device (4) includes fixing Seat (41), driven in translation cylinder (42), connecting plate (43), two clamping jaws (44) and two clamping jaw actuators (45), fixing seat (41) Including both side plate and top plate on both side plate is covered at, driven in translation cylinder (42) is installed on top plate lower surface, and connecting plate (43) is solid It is connected to the translation end of driven in translation cylinder (42), the opposite both ends for being installed on connecting plate (43) of two clamping jaws (44), two clamping jaws drive Moving part (45) is respectively arranged in the both ends of connecting plate (43), for driving each clamping jaw (44) opposite clamping or opening, base (1) It offers on top surface and immediately below two clamping jaws (44) and slides mouth (11).

9. metal tube double end bending machine according to claim 8, which is characterized in that the clamping jaw (44) includes being fixed on company The clamping jaw seat (441) of fishplate bar (43), the strap (442) being fixed on above clamping jaw seat (441), is articulated with clamping jaw seat (441) The articulated slab (443) of lower section.

10. metal tube double end bending machine according to claim 9, which is characterized in that clamping jaw actuator (45) are stretched Contracting bar and the driving end of articulated slab (443) are hinged, and the position of strap (442) is higher than bed die and has (22) preset distance.