CN114101454A - Special-shaped pipe fitting production line and production process thereof - Google Patents
Special-shaped pipe fitting production line and production process thereof Download PDFInfo
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- CN114101454A CN114101454A CN202111146845.8A CN202111146845A CN114101454A CN 114101454 A CN114101454 A CN 114101454A CN 202111146845 A CN202111146845 A CN 202111146845A CN 114101454 A CN114101454 A CN 114101454A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 78
- 238000005498 polishing Methods 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 17
- 238000000465 moulding Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims abstract description 5
- 238000003825 pressing Methods 0.000 claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 14
- 238000002347 injection Methods 0.000 claims description 13
- 239000007924 injection Substances 0.000 claims description 13
- 238000004804 winding Methods 0.000 claims description 12
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 3
- 241001330002 Bambuseae Species 0.000 claims description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 3
- 239000011425 bamboo Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000007493 shaping process Methods 0.000 abstract description 9
- 230000008961 swelling Effects 0.000 abstract description 6
- 239000000047 product Substances 0.000 description 3
- 239000013589 supplement Substances 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 241001133184 Colletotrichum agaves Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
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- 230000007547 defect Effects 0.000 description 1
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- 239000011521 glass Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/033—Deforming tubular bodies
- B21D26/047—Mould construction
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Fluid Mechanics (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The application relates to a special-shaped pipe fitting production line and a production process thereof, relating to the field of pipe fitting production, wherein the special-shaped pipe fitting production line comprises a pipe shrinking machine, a drawing machine, a profiling device, a water expansion forming machine, a cutting device and a polishing device which are sequentially arranged; a production process of special-shaped pipe fittings comprises the following steps: s1, shrinking a pipe; s2, stretching; s3, molding; s4, expanding the tube; s5, cutting; and S6, polishing. This application has and is convenient for carry out the drawing of patterns to the pipe fitting after the water swelling shaping, improves work efficiency's effect.
Description
Technical Field
The application relates to the field of pipe fitting production, in particular to a special-shaped pipe fitting production line and a production process thereof.
Background
With the rapid development of society, in addition to the use of conventional round tubes, a variety of different special-shaped pipe fittings are required in the manufacture of equipment in various industries, and the special-shaped pipe fittings are applied to various structural members, tools and mechanical parts.
In the processing of the special-shaped pipe fitting, the pipe-expanding or pipe-contracting is firstly carried out on the end face of the pipe fitting through a pipe-contracting machine, the pipe fitting after pipe contracting is passed through a drawing machine, the diameter of the pipe fitting is changed to meet the requirement of the required diameter, the pipe fitting after drawing is placed into a pipe fitting profiling device to be stamped on the pipe wall of the pipe fitting to form a recess, the pipe fitting after stamping is placed into a water-swelling forming machine to be stamped and swelled inside the pipe fitting, so that the pipe fitting is more matched with the design shape of a product, a worker places the pipe fitting after pipe expanding into a cutting device to be cut, and finally the cut pipe fitting is polished at a polishing device to form the product.
The Chinese patent document with the application number of 202021625929.0 discloses a pipe fitting water expansion forming machine, which comprises a rack and a lower die arranged on the rack, wherein an upper die moving towards the lower die is arranged above the lower die, the upper surface of the upper die and the lower surface of the lower die are both provided with inwards concave grooves, pipe fittings are placed in the grooves, and water injection barrels inserted into the upper die and the lower die in opposite directions are arranged on two sides of the rack.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: after the pipe fitting is placed between the lower die and the upper die and is subjected to water expansion forming, the pipe fitting is tightly attached to the inner wall of the cavity of the upper die or the lower die, and the pipe fitting needs to be manually taken out from the upper die or the lower die by a worker, so that time and labor are wasted, and the working efficiency is reduced.
Disclosure of Invention
In order to facilitate the drawing of patterns to the pipe fitting after the water swelling shaping, improve work efficiency, this application provides a special-shaped pipe fitting production line and production technology thereof.
First aspect, this application provides a special-shaped pipe fitting production line, adopts following technical scheme:
the utility model provides a special-shaped pipe fitting production line, is including draw gear, drawbench, die mould device, the water inflation make-up machine, cutting device and the polishing device that sets gradually, the water inflation make-up machine includes the frame, locates lower mould in the frame and locating lower mould top just is in opposite directions in the last mould of lower mould motion, all set up the recess that supplies the pipe fitting to place on lower mould and the last mould, the both sides of frame are provided with insert the water injection section of thick bamboo in mould and the lower mould in opposite directions, two be provided with respectively in the recess with the clamp plate of bottom wall activity parallel and level in the recess, be equipped with actuating mechanism in the frame, actuating mechanism is used for driving two the clamp plate is close to each other or keeps away from.
By adopting the technical scheme, the pipe fitting is placed in the groove of the lower die, the upper die descends to be matched with the lower die, the water injection cylinder injects water at high pressure from the pipe fittings in two sides to expand the pipe fitting, then the upper die ascends, and meanwhile the driving mechanism drives the two pressing plates in the upper die and the lower die to be close to each other, so that the pipe fitting clamped in the upper die or the lower die is separated, the pipe fitting after expansion molding is conveniently demoulded, a worker can conveniently take the pipe fitting after expansion molding, and the working efficiency is improved; the pressing plate which is movably flush with the inner bottom wall of the groove is convenient for extruding and demoulding the pipe fitting after water expansion forming and is also convenient for ensuring the water expansion forming quality of the pipe fitting; the pipe fitting to be processed is sequentially expanded or contracted through a pipe reducing machine, stretched through a drawing machine, pre-pressed and formed through a pressing device, water-swelling and formed through a water-swelling forming machine, cut through a cutting device and polished through a polishing device to obtain a special-shaped pipe fitting product.
Optionally, the driving mechanism comprises an output assembly, a connecting block and a transmission assembly;
the connecting blocks are provided with two connecting blocks which are respectively fixedly connected with the two pressing plates, the output assembly is arranged on the rack and used for driving one connecting block to ascend and descend, the transmission assembly is arranged between the two connecting blocks and used for realizing the continuity motion of being close to or being far away from the two connecting blocks.
By adopting the technical scheme, when the pipe fitting in the upper die or the lower die needs to be demolded, the output assembly drives the connecting block on the upper die to descend, so that the pressing plate in the upper die is driven to descend, the pipe fitting clamped in the upper die is conveniently extruded, the pipe fitting is separated from the upper die, the connecting block on the lower die is driven to ascend through the transmission assembly, so that the pressing plate in the lower die extrudes and demolds the pipe fitting clamped in the lower die, and therefore, the automatic demolding of the pipe fitting can be realized no matter the pipe fitting is clamped in the upper die or the lower die after water expansion molding, the operation is convenient, and the time and the labor are saved; when the pipe fitting in the recess carries out the water inflation shaping to going up mould and lower mould compound die back when needs, rises through the connecting block on the drive of output assembly goes up the mould, makes the interior diapire parallel and level of last mould recess of clamp plate on the last mould, makes the interior diapire parallel and level of clamp plate on the lower mould and lower mould recess through drive assembly to in the pipe fitting to in the recess carry out the water inflation shaping, keep going on smoothly of pipe fitting water inflation shaping.
Optionally, the output assembly includes a slide bar, a gear, a first rack and a second rack;
the sliding rod is vertically arranged, the sliding rod is fixedly connected with a connecting block connected with an upper die, the sliding rod vertically slides to penetrate through the connecting block connected with a lower die, the first rack is fixedly connected with the upper die, the second rack is vertically arranged on the outer side wall of the sliding rod, the gear is horizontally rotatably installed on the rack, and the first rack and the second rack are parallel to and meshed with the gear.
By adopting the technical scheme, when the lower die rises, the first rack is driven to rise, the second rack is driven to fall through the gear, and then the pressing plate in the upper die is driven to fall through the sliding rod so as to push the pipe in the upper die out of the groove of the upper die, or the pressing plate in the lower die is driven to rise through the transmission assembly so as to push the pipe in the lower die out of the groove of the lower die, so that the pipe subjected to water expansion molding automatically drops out of the groove, the labor is saved, and the working efficiency is improved; when the lower mould descends, the first rack is driven to descend, the second rack is driven to ascend through the gear, the two pressing plates are kept away from each other through the transmission assembly to enable the pressing plates to be parallel and level with the inner bottom wall of the groove, so that water expansion forming is conducted on the pipe fitting, the stability of pipe fitting demoulding is achieved, a power source is saved, and cost is reduced.
Optionally, the transmission assembly includes a connecting rod and a fixing plate;
the fixed plate is equipped with two, two the fixed plate symmetry is located the both sides of connecting block and respectively horizontal slip set up in the frame, the connecting rod is equipped with two sets ofly, and is a set of the connecting rod and one the connecting block is corresponding, and every group connecting rod has two, two the one end of connecting rod all is articulated mutually rather than the connecting block that closes on, two the other end of connecting rod is articulated mutually with two fixed plates respectively.
By adopting the technical scheme, when the connecting block connected with the upper die ascends, the two connecting rods connected with the upper die are driven to mutually approach, so that the two fixing plates are driven to slide and approach, the connecting block connected with the lower die is driven to move downwards, and the two pressing plates are mutually far away; when the connecting block that links to each other with last mould descends, drive two connecting rods that link to each other with last mould and keep away from each other to drive two fixed plates and slide and keep away from, and then drive the connecting block upward movement that links to each other with the lower mould, realize being close to each other of two clamp plates.
Optionally, a flexible water baffle is arranged between the two fixing plates, and the water baffle is located on one side, far away from the upper die, of the connecting rod.
By adopting the technical scheme, when the upper die and the lower die are closed, the two fixing plates are far away from each other, so that the water baffle forms a barrier at one side of the rack, water sprayed by the water injection cylinder is not easy to splash onto workers in the process of injecting water to the pipe fitting, and the operation experience of the workers is improved; meanwhile, the flexible water baffle is convenient for the two fixing plates to be folded when sliding, and the smooth operation of the fixing plates is kept.
Optionally, two rolling cavities are respectively formed in one side, close to the fixing plate, of the fixing plate, rolling assemblies are arranged in the rolling cavities, and the rolling assemblies are used for rolling the water baffle.
By adopting the technical scheme, the winding cavity is matched with the winding assembly, so that the water baffle can be wound regularly, the normal movement between the connecting rods is not easily influenced by the water baffle, and the smooth operation of demoulding is ensured; meanwhile, the pipe fitting on the upper die or the lower die can be conveniently taken and placed by workers.
Optionally, the rolling assembly comprises a rotating rod and a coil spring, the rotating rod is vertically rotated and arranged in the rolling cavity, one side of the coil spring is fixedly connected with the rotating rod, and the other side of the coil spring is fixedly connected with one side of the water baffle.
Through adopting above-mentioned technical scheme, when two fixed plates kept away from each other, the breakwater is pulled respectively from both sides and is expanded, and the coil spring is stretched, and when two fixed plates were close to each other, under the effect of coil spring restoring force, the both sides of breakwater were rolled up respectively on the dwang, made the breakwater by orderly rolling.
In a second aspect, the present application provides a production process of a special-shaped pipe fitting, which adopts the following technical scheme:
a production process of special-shaped pipe fittings comprises the following steps:
s1, pipe shrinking: putting a round pipe blank to be processed into a pipe reducing machine to be processed to obtain a prefabricated pipe fitting;
s2, stretching: placing the prefabricated pipe fitting into a drawing machine for drawing treatment to obtain a reducer pipe fitting;
s3, molding: putting the pipe into a profiling device for prepressing and forming to obtain a semi-finished pipe fitting;
s4, tube expansion: placing the semi-finished pipe fitting into a water expansion forming machine for water expansion forming to obtain a clamping and pressing pipe fitting;
s5, cutting: cutting the formed pipe fitting at a cutting device to obtain the formed pipe fitting;
s6, polishing: and (5) placing the formed pipe fitting at a polishing device for polishing and polishing to obtain a finished pipe fitting.
By adopting the technical scheme, the pipe end of the round pipe blank is expanded or contracted through the pipe contracting machine so as to process and form the end of the round pipe blank to obtain a prefabricated pipe fitting, the prefabricated pipe fitting is stretched through the drawing machine to enable the prefabricated pipe fitting to deform and the pipe diameter to be reduced to obtain the reducing pipe fitting, the reducing pipe fitting is placed into the profiling device to be pre-pressed in shape to form a semi-finished pipe fitting, the semi-finished pipe fitting is placed into a groove of a lower die at a water expansion forming machine, an upper die is driven to descend and is matched with the lower die, high-pressure water is injected into the semi-finished pipe fitting through a water injection cylinder to enable the semi-finished pipe fitting to be water-expanded and formed and matched with the shape of the groove, so that a clamping and pressing pipe fitting is obtained, the clamping and pressing pipe fitting is cut through the cutting device to obtain a formed pipe fitting, and the outer peripheral wall or the end of the formed pipe fitting is polished to obtain a finished pipe fitting.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the pipe fitting is placed into the groove of the lower die, the upper die descends to be matched with the lower die, the water injection cylinder injects water at high pressure from the pipe fittings in two side directions to enable the pipe fitting to be expanded and formed, then the upper die ascends, and meanwhile, the driving mechanism drives the two pressing plates in the upper die and the lower die to be close to each other, so that the pipe fitting clamped in the upper die or the lower die is separated, the demoulding of the pipe fitting after the expansion forming is facilitated, workers can take the pipe fitting after the expansion forming conveniently, and the working efficiency is improved;
2. when the pipe fitting in the upper die or the lower die needs to be demoulded, the output assembly drives the connecting block on the upper die to descend so as to drive the pressing plate in the upper die to descend, so that the pipe fitting clamped in the upper die can be conveniently extruded, the pipe fitting is separated from the upper die, the connecting block on the lower die is driven to ascend through the transmission assembly, so that the pipe fitting clamped in the lower die is extruded and demoulded by the pressing plate in the lower die, and therefore, the automatic demould of the pipe fitting can be realized no matter the pipe fitting is clamped in the upper die or the lower die after water expansion forming, the operation is convenient, and the time and the labor are saved;
3. when the lower die rises, the first rack is driven to rise, the second rack is driven to fall through the gear, and then the pressing plate in the upper die is driven to fall through the sliding rod so as to push the pipe in the upper die out of the upper die groove, or the pressing plate in the lower die is driven to rise through the transmission assembly so as to push the pipe in the lower die out of the lower die groove, so that the pipe formed by water expansion automatically drops out of the groove, the labor is saved, the working efficiency is improved, the power source is saved, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a schematic structural view of a water expansion machine in an embodiment of the present application;
FIG. 3 is a schematic view showing a connection structure between an upper die, a lower die and a driving mechanism of the water-swelling machine according to the embodiment of the present application;
FIG. 4 is a schematic view of another perspective of the connection between the upper and lower dies and the drive mechanism of the water jet expansion machine in the embodiment of the present application;
FIG. 5 is an enlarged partial schematic view of portion A of FIG. 4;
FIG. 6 is a schematic view of the connection structure between the water baffle, the fixing plate and the rolling assembly in the embodiment of the present application.
Reference numerals: 1. a pipe reducing machine; 2. a drawing machine; 3. a profiling device; 4. a water expansion forming machine; 41. a frame; 42. a lower die; 43. an upper die; 44. a groove; 441. sinking a groove; 45. a water injection barrel; 5. a cutting device; 6. a polishing device; 7. pressing a plate; 8. a drive mechanism; 81. an output component; 811. a slide bar; 812. a gear; 813. a first rack; 814. a second rack; 82. connecting blocks; 821. a defect supplement part; 822. a fixed part; 83. a transmission assembly; 831. a connecting rod; 832. a fixing plate; 8321. a winding cavity; 9. a water baffle; 10. a winding component; 101. rotating the rod; 102. a coil spring; 11. a slider; 12. mounting a plate; 13. a hanger; 14. and (4) a notch.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses special-shaped pipe fitting production line. Referring to fig. 1, the special-shaped pipe production line comprises a pipe reducing machine 1, a drawing machine 2, a profiling device 3, a water expansion forming machine 4, a cutting device 5 and a polishing device 6 which are arranged in sequence.
Referring to fig. 2 and 3, the water-swelling forming machine 4 includes a frame 41, a lower mold 42 fixed on the frame 41, and an upper mold 43 disposed over the lower mold 42 and moving toward the lower mold 42, a cylinder is fixed on the frame 41, an output end of the cylinder is fixedly connected to the mounting plate 12 horizontally disposed, the upper mold 43 is fixedly connected to a lower surface of the mounting plate 12, a groove 44 for placing a pipe is disposed on each of opposite sides of the lower mold 42 and the upper mold 43, the groove 44 is consistent with a special pipe, water injection tubes 45 oppositely inserted into the upper mold 43 and the lower mold 42 are disposed on both sides of the frame 41, a sinking groove 441 is disposed on each of inner bottom walls of the two grooves 44, a pressing plate 7 is telescopically disposed in the sinking groove 441, a stretching direction of the pressing plate 7 is vertical, the pressing plate 7 is rectangular, the pressing plate 7 is adapted to the sinking groove 441, the pressing plate 7 is movably flush with the inner bottom wall of the groove 44, a driving mechanism 8 is disposed on the frame 41, the drive mechanism 8 is used to drive the two pressing plates 7 toward and away from each other.
Referring to fig. 3 and 4, in order to facilitate the pressing plate 7 to extrude the pipe clamped in the upper die 43 or the lower die 42, the automatic demolding is performed, so that the labor is saved, and the working efficiency is improved. The driving mechanism 8 comprises an output component 81, a connecting block 82 and a transmission component 83; the two connecting blocks 82 are respectively fixedly connected with the two pressing plates 7, each connecting block 82 comprises a fixing part 822 and a supplement part 821, one side of each upper die 43 or lower die 42 is provided with a notch 14, the inner bottom wall of each upper die 43 or lower die 42 is provided with a connecting groove communicated with the notch 14 or the sinking groove 441, one end of each fixing part 822 penetrates through the notch 14 and the connecting groove and is fixedly connected with one side, close to the notch 14, of each pressing plate 7, and the supplement part 821 is fixedly connected to the fixing part 822 and is located at the notch 14; when the pressing plate 7 is sunk into the sinking groove 441, one side of the pressing plate 7, which is far away from the groove 44, is flush with the inner bottom wall of the groove 44, one side of the fixing part 822, which is far away from the connecting groove, is flush with the inner bottom wall of the groove 44, and meanwhile, the gap portion 821 is matched with the gap 14, so that smooth water swelling forming of the pipe fitting is ensured after the upper die 43 and the lower die 42 are matched; the output assembly 81 is arranged on the frame 41, the output assembly 81 is used for driving one connecting block 82 to lift, the transmission assembly 83 is arranged between the two connecting blocks 82, and the transmission assembly 83 is used for realizing the continuous motion close to or far away from the two connecting blocks 82.
Referring to fig. 4 and 5, the output assembly 81 includes a sliding bar 811, a gear 812, a first rack 813, and a second rack 814; the slide bar 811 is vertically arranged, the lower end of the slide bar 811 is fixedly connected with the fixing part 822 connected with the upper die 43, the fixing part 822 connected with the lower die 42 is provided with a through hole, the slide bar 811 vertically slides to penetrate through the through hole, the first rack 813 is fixedly connected with the upper die 43, the second rack 814 is vertically arranged on the outer side wall of the slide bar 811, the rack 41 is fixedly connected with the hanging bracket 13, the gear 812 is horizontally rotatably installed on the hanging bracket 13, the mounting plate 12 is provided with a through hole for the hanging bracket 13 to vertically slide to penetrate through, and the first rack 813 and the second rack 814 are parallel and are all meshed with the gear 812.
The transmission assembly 83 includes a connecting rod 831 and a fixing plate 832; two fixing plates 832 are arranged, the two fixing plates 832 are symmetrically arranged on two sides of the connecting block 82 and are respectively arranged on the rack 41 in a horizontal sliding manner, a sliding block 11 is fixedly connected to one side of the fixing plate 832 close to the lower die 42, a sliding groove is formed in one side of the lower die 42 facing the fixing plates 832, the two sliding grooves are arranged at intervals along the length direction of the rack 41, and the two sliding blocks 11 are respectively matched with the two sliding grooves in a horizontal sliding manner; the connecting rods 831 are provided with two groups, one group of connecting rods 831 corresponds to one connecting block 82, each group of connecting rods 831 is provided with two groups, one ends of the two connecting rods 831 are hinged to the adjacent connecting block 82, the hinge axes are consistent with the width direction of the rack 41, the other ends of the two connecting rods 831 are hinged to the two fixing plates 832 respectively, and the hinge axes are consistent with the width direction of the rack 41.
When the lower die 42 rises and needs to demold the pipe fitting in the upper die 43 or the lower die 42, the lower die 42 drives the first rack 813 to rise, the gear 812 drives the second rack 814 to fall, and the slide rod 811 drives the pressing plate 7 in the upper die 43 to fall so as to push the pipe fitting in the upper die 43 out of the groove 44 of the upper die 43, so that the pipe fitting is released from the upper die 43, and meanwhile, the pressing plate 7 in the lower die 42 rises so as to push the pipe fitting in the lower die 42 out of the groove 44 of the lower die 42, therefore, the pipe fitting can be automatically released from the groove 44 after water expansion molding no matter the pipe fitting is clamped in the upper die 43 or the lower die 42, labor is saved, and working efficiency is improved; when lower mould 42 descends, drive first rack 813 and descend, it rises to drive second rack 814 through gear 812, it is close to each other to drive two connecting rods 831 that link to each other with last mould 43, thereby drive two fixed plates 832 and slide and be close to, and then drive the connecting block 82 that links to each other with lower mould 42 and move down, realize keeping away from each other of two clamp plates 7 and make clamp plate 7 and the inner bottom wall parallel and level of recess 44, so as to carry out the water inflation shaping to the pipe fitting, realize the stability of pipe fitting drawing of patterns, the power supply has been saved, and cost is reduced.
Referring to fig. 2 and 6, in order to prevent water sprayed by the water injection tube 45 from easily splashing on a worker during the process of injecting water into the pipe fitting, the operation experience of the worker is improved; a flexible water baffle 9 is arranged between the two fixing plates 832, the water baffle 9 is a waterproof soft glass crystal plate, and the water baffle 9 is positioned on one side of the connecting rod 831 far away from the upper die 43.
A winding cavity 8321 is respectively arranged at one side of each fixing plate 832 close to the fixing plate, and a winding component 10 for winding the water baffle 9 is arranged in the winding cavity 8321. The winding assembly 10 comprises a rotating rod 101 and a coil spring 102, the rotating rod 101 is vertically and rotatably installed in the winding cavity 8321, one side of the coil spring 102 is fixedly connected with the rotating rod 101, and the other side of the coil spring 102 is fixedly bonded with one side of the water baffle 9. When the two fixing plates 832 are far away from each other, the water deflector 9 is pulled and unfolded from two sides respectively, the coil spring 102 is stretched, and when the two fixing plates 832 are close to each other, under the restoring force of the coil spring 102, two sides of the water deflector 9 are wound on the rotating rod 101 respectively, so that the water deflector 9 is wound neatly.
The implementation principle of this application embodiment a special-shaped pipe fitting production line does: put into the recess 44 of lower mould 42 with the pipe fitting, go up the mould 43 and descend and carry out the compound die with lower mould 42, water injection section of thick bamboo 45 carries out high-pressure water injection from the pipe fitting of bilateral directions, make the water swelling shaping of pipe fitting, then it rises to go up mould 43, two clamp plates 7 in mould 43 and the lower mould 42 are close to each other in the drive of actuating mechanism 8 drive simultaneously, thereby make the pipe fitting of card in last mould 43 or lower mould 42 deviate from, so that the pipe fitting drawing of patterns after the water swelling shaping, make things convenient for the staff to take the pipe fitting after the water swelling shaping, and the work efficiency is improved.
The embodiment of the application also discloses a production process of the special-shaped pipe fitting. The production process of the special-shaped pipe fitting comprises the following steps:
s1, pipe shrinking: putting a round pipe blank to be processed into a pipe reducing machine 1, and processing and forming the end part of the round pipe blank to obtain a prefabricated pipe fitting;
s2, stretching: placing the prefabricated pipe fitting into a drawing machine 2 for drawing treatment to obtain a reducing pipe fitting with a reduced pipe diameter;
s3, molding: putting the pipe into a profiling device 3 for shape prepressing to obtain a semi-finished pipe fitting;
s4, tube expansion: placing the semi-finished pipe fitting into a groove 44 of a lower die 42 at a water expansion forming machine 4, driving an upper die 43 to descend and to be matched with the lower die 42, injecting water into the semi-finished pipe fitting through a water injection cylinder 45 at high pressure, and enabling the semi-finished pipe fitting to be subjected to water expansion forming and to be matched with the shape of the groove 44 to obtain a clamping and pressing pipe fitting;
s5, cutting: cutting the formed pipe fitting at a cutting device 5 to obtain a formed pipe fitting;
s6, polishing: and (5) placing the formed pipe fitting at the polishing device 6 for polishing and polishing to obtain a finished pipe fitting.
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 (8)
1. The utility model provides a special-shaped pipe fitting production line, is including draw gear (1), drawbench (2), die mould device (3), the water swell make-up machine (4), cutting device (5) and the polishing device (6) that set gradually, water swell make-up machine (4) include frame (41), locate lower mould (42) on frame (41) and locate lower mould (42) top and in opposite directions last mould (43) of lower mould (42) motion, all set up recess (44) that supply the pipe fitting to place on lower mould (42) and last mould (43), the both sides of frame (41) are provided with inserts water injection section of thick bamboo (45) in last mould (43) and lower mould (42) in opposite directions, its characterized in that: two be provided with respectively in recess (44) with bottom wall activity parallel and level's clamp plate (7) in recess (44), be equipped with actuating mechanism (8) on frame (41), actuating mechanism (8) are used for driving two clamp plate (7) are close to each other or keep away from.
2. The ABC as claimed in claim 1, wherein: the driving mechanism (8) comprises an output assembly (81), a connecting block (82) and a transmission assembly (83);
connecting block (82) are equipped with two, two connecting block (82) respectively with two clamp plate (7) rigid coupling, output assembly (81) are located on frame (41), output assembly (81) are used for driving one connecting block (82) go up and down, drive assembly (83) are located between two connecting blocks (82), drive assembly (83) are used for realizing the continuity motion that is close to or keeps away from between two connecting blocks (82).
3. The ABC as claimed in claim 2, wherein: the output assembly (81) comprises a sliding rod (811), a gear (812), a first rack (813) and a second rack (814);
the sliding rod (811) is vertically arranged, the sliding rod (811) is fixedly connected with a connecting block (82) connected with an upper die (43), the sliding rod (811) vertically slides to penetrate through the connecting block (82) connected with a lower die (42), a first rack (813) is fixedly connected with the upper die (43), a second rack (814) is vertically arranged on the outer side wall of the sliding rod (811), a gear (812) is horizontally and rotatably arranged on the rack (41), and the first rack (813) and the second rack (814) are parallel to and meshed with the gear (812).
4. The ABC of claim 3, wherein: the transmission assembly (83) comprises a connecting rod (831) and a fixing plate (832);
fixed plate (832) are equipped with two, two fixed plate (832) symmetry is located the both sides of connecting block (82) and respectively horizontal sliding set up in on frame (41), connecting rod (831) are equipped with two sets ofly, and are a set of connecting rod (831) and one connecting block (82) are corresponding, and every connecting rod of group (831) has two, two the one end of connecting rod (831) all articulates rather than connecting block (82) that closes on mutually, two the other end of connecting rod (831) articulates with two fixed plate (832) mutually respectively.
5. The ABC of claim 4, wherein: a flexible water baffle (9) is arranged between the two fixing plates (832), and the water baffle (9) is positioned on one side, far away from the upper die (43), of the connecting rod (831).
6. The ABC of claim 5, wherein: two rolling chamber (8321) have been seted up respectively to one side that fixed plate (832) are close to mutually, be equipped with rolling subassembly (10) in rolling chamber (8321), rolling subassembly (10) are used for carrying out the rolling to breakwater (9).
7. The ABC of claim 6, wherein: the winding assembly (10) comprises a rotating rod (101) and a coil spring (102), the rotating rod (101) is vertically rotated and arranged in a winding cavity (8321), one side of the coil spring (102) is fixedly connected with the rotating rod (101), and the other side of the coil spring (102) is fixedly connected with one side of a water baffle (9).
8. A production process of special-shaped pipe fittings is characterized by comprising the following steps: the method comprises the following steps:
s1, pipe shrinking: putting a round pipe blank to be processed into a pipe reducing machine (1) to be processed to obtain a prefabricated pipe fitting;
s2, stretching: placing the prefabricated pipe fitting into a drawing machine (2) for drawing treatment to obtain a reducing pipe fitting;
s3, molding: putting the pipe into a profiling device (3) for prepressing and forming to obtain a semi-finished pipe fitting;
s4, tube expansion: placing the semi-finished pipe fitting into a water expansion forming machine (4) for water expansion forming to obtain a clamping and pressing pipe fitting;
s5, cutting: the formed pipe fitting is placed at a cutting device (5) to be cut to obtain the formed pipe fitting;
s6, polishing: and (5) placing the formed pipe fitting at the polishing device (6) for polishing and polishing to obtain a finished pipe fitting.
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