CN214078676U - Round steel tube flanging die - Google Patents
Round steel tube flanging die Download PDFInfo
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- CN214078676U CN214078676U CN202023035988.5U CN202023035988U CN214078676U CN 214078676 U CN214078676 U CN 214078676U CN 202023035988 U CN202023035988 U CN 202023035988U CN 214078676 U CN214078676 U CN 214078676U
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Abstract
The application relates to the field of dies, in particular to a round steel tube flanging die which comprises a first processing die and a second processing die; the first processing die comprises a first punch, a first lower die plate and a first positioning column, and a first round angle is arranged at the bottom end of the first punch; the first positioning column is fixed on the upper surface of the first lower template, a first positioning hole for positioning the circular steel tube is formed in the first positioning column, and a second round angle is arranged at the edge of the top end of the first positioning hole; the second processing die comprises a second punch, a second lower template and a second positioning column; the second positioning column is fixed on the upper surface of the second lower template, and a second positioning hole for positioning the circular steel tube is formed in the second positioning column. This application can improve the machining efficiency to the circular steel tube.
Description
Technical Field
The application relates to the field of dies, in particular to a round steel tube flanging die.
Background
Flanging refers to a method for forming a straight wall or a flange with a certain angle along a closed or unclosed curve edge on a plane part or a curved part of a blank by using the action of a die. Flanging is one of the stamping processes. The types of the flanging are various, and the classification methods are different. Wherein the stretch type cuffs can be divided into extension type cuffs and compression type cuffs according to deformation properties.
The related art discloses a circular steel tube, which is flanged in a casting or rolling forming processing mode, so that one end of the circular steel tube is processed into a flange plate, and a fifth fillet is processed between the circular steel tube and the flange plate.
In view of the above-mentioned related art, the applicant found in the process of machining a round steel pipe that: the round steel tube is processed by casting or roll forming, and the processing efficiency is very low.
SUMMERY OF THE UTILITY MODEL
In order to improve the machining efficiency of circular steel tube, this application provides a circular steel tube turn-ups mould.
The application provides a pair of circular steel tube turn-ups mould adopts following technical scheme:
a round steel pipe flanging die comprises a first processing die and a second processing die;
the first processing die comprises a first punch, a first lower die plate and a first positioning column, and a first round angle is arranged at the bottom end of the first punch;
the first positioning column is fixed on the upper surface of the first lower template, a first positioning hole for positioning the circular steel tube is formed in the first positioning column, and a second round angle is arranged at the edge of the top end of the first positioning hole;
the second processing die comprises a second punch, a second lower template and a second positioning column;
the second positioning column is fixed on the upper surface of the second lower template, and a second positioning hole for positioning the circular steel tube is formed in the second positioning column.
By adopting the technical scheme, when a worker processes the circular steel tube, the circular steel tube is placed in the first positioning hole, the punch drives the first punch to slide downwards, so that the bottom end of the first punch acts on the top end of the circular steel tube, and the top end of the circular steel tube is preliminarily flanged; then place the circular steel tube in the second locating hole, control the second drift through another punch press and slide downwards to make the bottom of second drift act on the top of circular steel tube, realize once more realizing the turn-ups to the top of circular steel tube, thereby processing into the flange dish on the top of circular steel tube, form the fifth fillet between the top of circular steel tube and the flange dish, compare cast die or roll forming in the background art, improved the machining efficiency of circular steel tube.
Optionally, a first unloading assembly is arranged on the first lower template, the first unloading assembly is mounted on the first lower template, and the first unloading assembly is used for ejecting the round steel pipe out of the first positioning hole; the second lower template is provided with a second unloading assembly, the second unloading assembly is installed on the second lower template, and the second unloading assembly is used for ejecting the round steel tube out of the first positioning hole.
Through adopting above-mentioned technical scheme, first processing mould finishes the back with the circular steel tube processing, and the first subassembly of unloading pushes out the circular steel tube in the first reference column, and the staff places the circular steel tube in the second locating hole of second reference column, and the second subassembly of unloading pushes out the circular steel tube in the second reference column, has improved the efficiency that the staff processed the circular steel tube.
Optionally, the first unloading assembly comprises a first screw, a first spring, a first unloading plate, a first stop block, a first nut and a first sliding block;
the top end of the first screw is in threaded fit with the first lower template, the bottom end of the first screw is sequentially arranged on the first discharging plate, the first spring, the first stop block and the first nut in a penetrating manner, the first discharging plate, the first spring and the first stop block are in sliding fit with the first screw, and the first nut is in threaded fit with the first screw;
the top end of the first spring abuts against the lower surface of the first discharging plate, the bottom end of the first spring abuts against the upper surface of the first stop block, and the lower surface of the first stop block abuts against the upper surface of the first nut;
a plurality of first punching needles are fixedly arranged at the top end of the first discharging plate, penetrate through the first lower template, are positioned in the first positioning holes, and are in sliding fit with the first lower template;
the first sliding block is matched with the first positioning hole in a sliding mode, the top end of the first punching needle is fixedly connected with the lower surface of the first sliding block, and the first sliding block is used for bearing the round steel tube.
By adopting the technical scheme, a worker places the circular steel tube into the first positioning hole, the punch presses the first punch to downwards slide, the first punch drives the circular steel tube to downwards slide, the circular steel tube drives the first sliding block to downwards slide in the first positioning hole, the first sliding block drives the first punching needle to downwards slide, the first punching needle drives the first discharging plate to downwards slide, so that the distance between the first discharging plate and the first stop block is reduced, and the first discharging plate and the first stop block have a compression effect on the first spring, so that the bottom end of the first punch slides to the top end of the first positioning hole; the bottom end of the first punch is provided with a first fillet, the edge of the top end of the first positioning hole is provided with a second fillet, and the processing effect on the top end of the circular steel tube is realized under the combined action of the first punch and the first positioning column; after the machining is finished, the punch controls the first punch to slide upwards, the top end of the first spring in the compression state drives the first discharging plate to slide upwards, the first discharging plate drives the first punching needle to slide upwards, the first punching needle drives the first sliding block to slide upwards, and the first sliding block drives the circular steel tube to slide upwards so that the top end of the circular steel tube stretches out of the first positioning hole, and a worker can take the circular steel tube out of the first positioning hole conveniently.
Optionally, a first base plate is fixedly arranged on the lower surface of the first positioning column, a plurality of second bolts penetrate through the first base plate, and the plurality of second bolts are in threaded fit with the first lower template; the first punching needles penetrate through the first base plate, and the first punching needles are matched with the first base plate in a sliding mode.
Through adopting above-mentioned technical scheme, be fixed in first die plate through a plurality of second bolt on with first backing plate to on being fixed in first die plate with first backing plate, and then being fixed in first die plate with first locating column, increased the convenience that the staff installed and dismantled first locating column.
Optionally, a plurality of third bolts penetrate through the first base plate, and the third bolts are in threaded fit with the bottom end of the first positioning column.
Through adopting above-mentioned technical scheme, on being fixed in first backing plate with first location post through a plurality of third bolt, increased the convenience that the staff installed and dismantled first location post.
Optionally, the lower surface of the second punch is fixedly provided with an inserting part, and the inserting part is matched with the inner side wall of the circular steel tube in a clamping mode.
By adopting the technical scheme, when the punch press drives the second punch to slide downwards, the second punch drives the inserting part to slide downwards, the second punch drives the circular steel tube to slide downwards, so that the bottom end of the inserting part slides into the second positioning hole, and meanwhile, the lower surface of the flange plate at the top end of the circular steel tube is abutted against the upper surface of the second positioning column; the outer side wall of the inserting part and the inner side wall of the second positioning hole have a clamping effect on the circular steel tube, so that the circular steel tube can be limited from deforming; the bottom end of the second punch and the top end of the second positioning column have clamping effect on the flange, so that the finish machining of the flange is completed, and the machining quality of the round steel pipe is improved.
Optionally, a third fillet is arranged between the inserting part and the second punch, and a fourth fillet is arranged at the edge of the top end of the second positioning hole.
Through adopting above-mentioned technical scheme, carry out secondary operation through grafting portion and second reference column to the round steel pipe, third fillet and fourth fillet have the clamping action to the top of round steel pipe to the fillet between the top of messenger's round steel pipe and the ring flange reaches the requirement of production.
Optionally, the upper surface of the nut of the second bolt is located below the upper surface of the first pad.
Through adopting above-mentioned technical scheme, the staff is at the in-process of processing, and circular steel tube and staff's hand can not all be collided each other with the nut discovery of second bolt, all has the guard action to circular steel tube and staff.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when a worker processes the circular steel tube, the circular steel tube is placed in the first positioning hole, the first punch is driven by the punch to slide downwards, so that the bottom end of the first punch acts on the top end of the circular steel tube, and preliminary flanging of the top end of the circular steel tube is achieved; then, the circular steel tube is placed in the second positioning hole, the second punch is controlled to slide downwards through another punch press, so that the bottom end of the second punch acts on the top end of the circular steel tube, flanging of the top end of the circular steel tube is achieved again, a flange plate is machined at the top end of the circular steel tube, a fifth round angle is formed between the top end of the circular steel tube and the flange plate, and compared with cast molding or roll molding in the background technology, the machining efficiency of the circular steel tube is improved;
2. the first base plate is fixed on the first lower template through the plurality of second bolts, so that the first base plate is fixed on the first lower template, the first positioning column is fixed on the first lower template, and convenience of installing and detaching the first positioning column by workers is improved;
3. when the punch press drives the second punch to slide downwards, the second punch drives the inserting part to slide downwards, the inserting part drives the circular steel tube to slide downwards, so that the bottom end of the inserting part slides into the second positioning hole, and meanwhile, the lower surface of a flange plate at the top end of the circular steel tube is abutted against the upper surface of the second positioning column; the outer side wall of the inserting part and the inner side wall of the second positioning hole have a clamping effect on the circular steel tube, so that the circular steel tube can be limited from deforming; the bottom end of the second punch and the top end of the second positioning column have clamping effect on the flange, so that the finish machining of the flange is completed, and the machining quality of the round steel pipe is improved.
Drawings
Fig. 1 is a schematic structural view of a round steel pipe in the embodiment of the present application.
Fig. 2 is a schematic structural diagram of a first processing die in an embodiment of the present application.
Fig. 3 is a half sectional view from another perspective of the first processing die in the embodiment of the present application.
Fig. 4 is a schematic structural view of a second processing die in the embodiment of the present application.
Fig. 5 is a half sectional view of the second processing die from another perspective in an embodiment of the present application.
Description of reference numerals: 1. round steel pipes; 11. a flange plate; 12. a fifth fillet; 2. a first processing die; 21. a first punch; 211. a first die shank; 212. a first rounded corner; 22. a first lower template; 23. a first positioning post; 231. a first backing plate; 232. a first positioning hole; 2321. a second rounded corner; 24. a first discharge assembly; 241. a first screw; 242. a first spring; 243. a first stripper plate; 2431. a first punch pin; 244. a first stopper; 245. a first nut; 246. a first sliding block; 3. a first bolt; 4. a second bolt; 5. a third bolt; 6. a second processing die; 61. a second punch; 611. a second die shank; 612. a plug-in part; 613. a third fillet; 62. a second lower template; 63. a second positioning column; 631. a second backing plate; 632. a second positioning hole; 6321. a fourth fillet; 64. a second discharge assembly; 641. a second screw; 642. a second spring; 643. a second stripper plate; 6431. a second punch pin; 644. a second stopper; 645. a second nut; 646. a second sliding block; 7. a fourth bolt; 8. a fifth bolt; 9. and a sixth bolt.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses a round steel tube flanging die for flanging a round steel tube 1. Referring to fig. 1, a flange 11 is integrally formed at the top end of the circular steel tube 1, and a fifth fillet 12 is formed between the flange 11 and the circular steel tube 1.
Referring to fig. 2, the circular steel tube flanging die comprises a first processing die 2 for primarily flanging a circular steel tube 1, and the first processing die 2 comprises a first punch 21, a first lower template 22 and a first positioning column 23.
Referring to fig. 2 and 3, the first punch 21 is shaped like a cylinder, the length direction of the first punch 21 is a vertical direction, a first rounded corner 212 is provided at the bottom end of the first punch 21, and a first die shank 211 for connecting a punch press is fixedly provided at the top end of the first punch 21. Specifically, the shape of the first die shank 211 is a cylinder, the length direction of the first die shank 211 is the vertical direction, the first die shank 211 is provided with a first bolt 3 in a penetrating manner, and the first bolt 3 is in threaded fit with the first punch 21, so that the first die shank 211 is fixed to the top end of the first punch 21. So set up, the staff can install first die shank 211 on the punch press, drives first die shank 211 through the punch press and slides along vertical direction, and first die shank 211 drives first drift 21 and slides along vertical direction.
With continued reference to fig. 2 and 3, the first positioning column 23 is shaped as a cylinder, and the length direction of the first positioning column 23 is the vertical direction. The bottom end of the first positioning column 23 is fixedly provided with a first base plate 231, the first base plate 231 is fixedly connected with the first lower template 22, and the horizontal sections of the first base plate 231 and the first lower template 22 are rectangular. Specifically, four second bolts 4 are inserted into the first pad 231, and the four second bolts 4 are all in threaded fit with the first lower template 22, so that the first pad 231 is fixed on the upper surface of the first lower template 22, and the upper surfaces of the nuts of the second bolts 4 are located below the upper surface of the first pad 231.
With continued reference to fig. 2 and 3, four third bolts 5 are inserted into the first shim plate 231, and the four third bolts 5 are all in threaded fit with the bottom end of the first positioning column 23, so as to fix the first positioning column 23 on the upper surface of the first shim plate 231. So set up, the staff is fixed in the bottom of first reference column 23 with first backing plate 231 through four third bolts 5, then is fixed in the upper surface of first lower template 22 with first backing plate 231 through four third bolts 5, has increased the convenience that the staff installed and dismantled first reference column 23.
Continuing to refer to fig. 2 and 3, first locating hole 232 that is used for fixing a position the circular steel tube 1 is seted up at the top of first locating column 23, and the bottom of first locating hole 232 runs through in first locating column 23, and the edge on first locating hole 232 top is provided with second fillet 2321. So set up, the staff can place the circular steel tube 1 that needs processing in first locating hole 232, and first locating hole 232 has the positioning action to first circular steel tube 1.
With continued reference to fig. 2 and 3, the first discharging assembly 24 is disposed on the first lower die plate 22, and the first discharging assembly 24 is used for ejecting the circular steel tube 1 out of the first positioning hole 232. In the present embodiment, the first discharging assembly 24 includes a first screw 241, a first spring 242, a first discharging plate 243, a first stopper 244, a first nut 245 and a first sliding block 246, and specifically, the first discharging plate 243, the first stopper 244 and the first sliding block 246 are all cylindrical in shape. Furthermore, the length direction of the first screw 241 is a vertical direction, the top end of the first screw 241 is in threaded fit with the center position of the first lower template 22, the bottom end of the first screw 241 sequentially penetrates through the first discharging plate 243, the first spring 242, the first stopper 244 and the first nut 245, the first discharging plate 243, the first spring 242 and the first stopper 244 are in sliding fit with the first screw 241, and the first nut 245 is in threaded fit with the first screw 241. Further, the top end of the first spring 242 abuts against the lower surface of the first discharging plate 243, the bottom end of the first spring 242 abuts against the upper surface of the first stopper 244, and the lower surface of the first stopper 244 abuts against the upper surface of the first nut 245.
Referring to fig. 3, a plurality of first punching needles 2431 are fixedly disposed at the top end of the first discharging plate 243, in this embodiment, the number of the first punching needles 2431 is four, the length directions of the four first punching needles 2431 are vertical directions, the top ends of the four first punching needles 2431 sequentially penetrate through the first lower template 22 and the first backing plate 231, the four first punching needles 2431 are slidably engaged with the first lower template 22, and the four first punching needles 2431 are slidably engaged with the first backing plate 231. The top ends of the four first punching needles 2431 are located in the first positioning hole 232, and the top ends of the four first punching needles 2431 are fixedly connected with the lower surface of the first sliding block 246. The four first punching pins 2431 each have a length greater than the thickness of the first lower mold plate 22 and the first shim plate 231. With such arrangement, when the circular steel tube 1 is subjected to primary processing, the punch press drives the first punch 21 to slide downwards, the first punch 21 drives the circular steel tube 1 to slide downwards, the circular steel tube 1 drives the first sliding block 246 to slide downwards, the first sliding block 246 drives the first discharging plate 243 to slide downwards, and the first discharging plate 243 and the first stop block have a compression effect on the first spring 242; after finishing processing, the punch press drives first drift 21 and upwards slides, removes the effort on the top of circular steel tube 1 of the bottom of first drift 21, drives first stripper 243 through first spring 242 and upwards slides, and first stripper 243 drives first sliding block 246 and upwards slides, and first sliding block 246 drives circular steel tube 1 and upwards slides to the top that makes circular steel tube 1 stretches out in first locating hole 232, is convenient for the staff and takes out circular steel tube 1 from first locating hole 232.
Referring to fig. 4, the circular steel tube flanging die further comprises a second processing die 6 for performing secondary flanging on the circular steel tube 1, and the second processing die 6 comprises a second punch 61, a second lower template 62, a second positioning column 63 and a second discharging assembly 64;
referring to fig. 4 and 5, the second punch 61 is shaped like a cylinder, the length direction of the second punch 61 is a vertical direction, and a second die shank 611 for connecting a punch press is fixedly provided at the top end of the second punch 61. Specifically, the second die shank 611 is cylindrical, the length direction of the second die shank 611 is vertical, a fourth bolt 7 penetrates through the second die shank 611, and the fourth bolt 7 is in threaded fit with the second punch 61, so that the second die shank 611 is fixed to the top end of the second punch 61. An inserting part 612 is integrally formed on the lower surface of the second punch 61, and the inserting part 612 is in clamping fit with the inner side wall of the circular steel tube 1. A third fillet 613 is provided between the spigot 612 and the second punch 61. So set up, the staff can install second die shank 611 on the punch press, and drive second die shank 611 through the punch press and slide along vertical direction, and second die shank 611 drives second drift 61 and slides along vertical direction.
With continued reference to fig. 4 and 5, the second positioning pillar 63 is shaped as a cylinder, and the length direction of the second positioning pillar 63 is a vertical direction. The bottom end of the second positioning column 63 is fixedly provided with a second pad 631, the second pad 631 is fixedly connected with the second lower template 62, and the horizontal cross sections of the second pad 631 and the second lower template 62 are rectangular. Specifically, wear to be equipped with four fifth bolts 8 on the second backing plate 631, four fifth bolts 8 all with second lower bolster 62 screw-thread fit to be fixed in the upper surface of second lower bolster 62 with second backing plate 631, and the upper surface of the nut of fifth bolt 8 is located the below of second backing plate upper surface.
With continued reference to fig. 4 and 5, four sixth bolts 9 are inserted into the second pad plate 631, and the four sixth bolts 9 are all in threaded fit with the bottom ends of the second positioning pillars 63, so as to fix the second positioning pillars 63 on the upper surface of the second pad plate 631. So set up, the staff is fixed in second backing plate 631 the bottom of second reference column 63 through four sixth bolts 9, then is fixed in the upper surface of second lower bolster 62 with second backing plate 631 through four fifth bolts 8, has increased the convenience that the staff installed and dismantled second reference column 63.
With reference to fig. 4 and 5, a second positioning hole 632 for positioning the circular steel tube 1 is formed at the top end of the second positioning column 63, a fourth rounded corner 6321 is formed at the edge of the top end of the second positioning hole 632, and the bottom end of the second positioning hole 632 penetrates through the second positioning column 63. So set up, the staff can place the circular steel tube 1 that needs the processing in second locating hole 632, and second locating hole 632 has the positioning action to second circular steel tube 1.
With continued reference to fig. 4 and 5, the second lower die plate 62 is provided with a second discharging assembly 64, and the second discharging assembly 64 is used for ejecting the round steel tube 1 from the second positioning hole 632. In this embodiment, the second discharging assembly 64 includes a second screw 641, a second spring 642, a second discharging plate 643, a second stopper 644, a second nut 645 and a second sliding block 646, and the second discharging plate 643, the second stopper 644 and the second sliding block 646 are all cylindrical in shape. Specifically, the length direction of the second screw 641 is a vertical direction, the top end of the second screw 641 is in threaded fit with the central position of the second lower template 62, the bottom end of the second screw 641 sequentially penetrates through the second discharging plate 643, the second spring 642, the second stopper 644 and the second nut 645, the second discharging plate 643, the second spring 642 and the second stopper 644 are in sliding fit with the second screw 641, and the second nut 645 is in threaded fit with the second screw 641. Furthermore, the top end of the second spring 642 abuts against the lower surface of the second discharging plate 643, the bottom end of the second spring 642 abuts against the upper surface of the second stopper 644, and the lower surface of the second stopper 644 abuts against the upper surface of the second nut 645.
Referring to fig. 5, a plurality of second punching needles 6431 are fixedly disposed at the top end of the second discharging plate 643, in this embodiment, the number of the second punching needles 6431 is four, the length directions of the four second punching needles 6431 are vertical directions, the top ends of the four second punching needles 6431 sequentially pass through the second lower template 62 and the second pad 631, the four second punching needles 6431 are slidably engaged with the second lower template 62, and the four second punching needles 6431 are slidably engaged with the second pad 631. The top ends of the four second punching pins 6431 are located in the second positioning holes 632, and the top ends of the four second punching pins 6431 are fixedly connected with the lower surface of the second sliding block 646. According to the arrangement, the round steel tube 1 is subjected to preliminary processing, the punch press drives the second punch 61 to slide downwards, the second punch 61 drives the round steel tube 1 to slide downwards, the round steel tube 1 drives the second sliding block 646 to slide downwards, the second sliding block 646 drives the second discharging plate 643 to slide downwards, and the second discharging plate 643 and the second stop block have a compression effect on the second spring 642; after the processing is finished, the punch press drives the second punch 61 to slide upwards, the acting force of the bottom end of the second punch 61 on the top end of the round steel tube 1 is removed, the second discharging plate 643 is driven to slide upwards through the second spring 642, the second discharging plate 643 drives the second sliding block 646 to slide upwards, the second sliding block 646 drives the round steel tube 1 to slide upwards, so that the top end of the round steel tube 1 extends out of the second positioning hole 632, and the round steel tube 1 can be conveniently taken out from the second positioning hole 632 by a worker.
The implementation principle of the round steel tube flanging die in the embodiment of the application is as follows:
when a worker uses the first processing die 2 to perform primary processing on the circular steel tube 1, the circular steel tube 1 is placed in the first positioning hole 232, the punch press drives the first punch 21 to slide downwards, the first punch 21 drives the circular steel tube 1 to slide downwards, the circular steel tube 1 drives the first sliding block 246 to slide downwards in the first positioning hole 232, the first sliding block 246 drives the first punching needle 2431 to slide downwards, the first punching needle 2431 drives the first discharging plate 243 to slide downwards, and the first discharging plate 243 and the first stop block 244 have a compression effect on the first spring 242 so that the bottom end of the first punch 21 slides to the top end of the first positioning hole 232; because the bottom end of the first punch 21 is provided with the first fillet 212, and the edge of the top end of the first positioning hole 232 is provided with the second fillet 2321, under the combined action of the first punch 21 and the first positioning column 23, the top end of the circular steel tube 1 is subjected to preliminary processing;
after the preliminary machining is finished, the punch press controls the first punch 21 to slide upwards, the top end of the first spring 242 in a compressed state drives the first discharging plate 243 to slide upwards, the first discharging plate 243 drives the first punching needle 2431 to slide upwards, the first punching needle 2431 drives the first sliding block 246 to slide upwards, and the first sliding block 246 drives the circular steel tube 1 to slide upwards, so that the top end of the circular steel tube 1 extends out of the first positioning hole 232, and a worker can take the circular steel tube 1 out of the first positioning hole 232 conveniently;
when a worker uses the second processing die 6 to perform fine processing on the circular steel tube 1, the circular steel tube 1 is placed in the second positioning hole 632, the punch press drives the second punch 61 to slide downwards, the second punch 61 drives the inserting portion 612 to slide downwards, the second punch 61 drives the circular steel tube 1 to slide downwards, so that the bottom end of the inserting portion 612 slides into the second positioning hole 632, and meanwhile, the lower surface of the flange plate 11 at the top end of the circular steel tube 1 abuts against the upper surface of the second positioning column 63; the outer side wall of the insertion part 612 and the inner side wall of the second positioning hole 632 have a clamping effect on the circular steel tube 1, so that the circular steel tube 1 can be limited from deforming; the bottom end of the second punch 61 and the top end of the second positioning column 63 have clamping effect on the flange 11, so that the finish machining of the flange 11 is completed; because the third fillet 613 is arranged between the inserting part 612 and the second punch 61 and the fourth fillet 6321 is arranged at the edge of the top end of the second positioning hole 632, the fifth fillet 12 at the top end of the circular steel tube 1 is finely machined, and the machining quality of the circular steel tube 1 is improved; in the process that the circular steel tube 1 slides downwards, the bottom end of the circular steel tube 1 drives the second sliding block 646 to slide downwards in the second positioning hole 632, the second sliding block 646 drives the second punching needle 6431 to slide downwards, the second punching needle 6431 drives the second discharging plate 643 to slide downwards, and the second discharging plate 643 and the second stop 644 have a compression effect on the second spring 642 so that the bottom end of the second punch 61 slides to the top end of the second positioning hole 632;
after finishing, the punch press controls the second punch 61 to slide upwards, the top end of the second spring 642 in the compressed state drives the second discharging plate 643 to slide upwards, the second discharging plate 643 drives the second punching needle 6431 to slide upwards, the second punching needle 6431 drives the second sliding block 646 to slide upwards, and the second sliding block 646 drives the circular steel tube 1 to slide upwards, so that the top end of the circular steel tube 1 extends out of the second positioning hole 632, and the circular steel tube 1 can be taken out from the second positioning hole 632 by a worker conveniently.
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 circular steel tube turn-ups mould which characterized in that: comprises a first processing die (2) and a second processing die (6);
the first processing die (2) comprises a first punch head (21), a first lower die plate (22), a first positioning column (23) and a first round angle (212) arranged at the bottom end of the first punch head (21);
the first positioning column (23) is fixed on the upper surface of the first lower template (22), a first positioning hole (232) used for positioning the circular steel tube (1) is formed in the first positioning column (23), and a second fillet (2321) is arranged at the edge of the top end of the first positioning hole (232);
the second processing die (6) comprises a second punch head (61), a second lower template (62) and a second positioning column (63);
the second positioning column (63) is fixed on the upper surface of the second lower template (62), and a second positioning hole (632) for positioning the circular steel tube (1) is formed in the second positioning column (63).
2. The round steel tube flanging die of claim 1, characterized in that: the first lower template (22) is provided with a first unloading assembly (24), and the first unloading assembly (24) is used for ejecting the round steel pipe (1) out of the first positioning hole (232); and a second unloading assembly (64) is arranged on the second lower template (62), and the second unloading assembly (64) is used for ejecting the round steel tube (1) out of the second positioning hole (632).
3. The round steel tube flanging die of claim 2, characterized in that: the first discharging assembly (24) comprises a first screw (241), a first spring (242), a first discharging plate (243), a first stop block (244), a first nut (245) and a first sliding block (246);
the top end of the first screw rod (241) is in threaded fit with the first lower template (22), the bottom end of the first screw rod (241) sequentially penetrates through the first discharging plate (243), the first spring (242), the first stop block (244) and the first nut (245), the first discharging plate (243), the first spring (242) and the first stop block (244) are in sliding fit with the first screw rod (241), and the first nut (245) is in threaded fit with the first screw rod (241);
the top end of the first spring (242) abuts against the lower surface of the first discharging plate (243), the bottom end of the first spring (242) abuts against the upper surface of the first stop block (244), and the lower surface of the first stop block (244) abuts against the upper surface of the first nut (245);
a plurality of first punching needles (2431) are fixedly arranged at the top end of the first discharging plate (243), the first punching needles (2431) penetrate through the first lower die plate (22), the top ends of the first punching needles (2431) are positioned in the first positioning holes (232), and the first punching needles (2431) are in sliding fit with the first lower die plate (22);
the first sliding block (246) is in sliding fit with the first positioning hole (232), the top ends of the first punching needles (2431) are fixedly connected with the lower surface of the first sliding block (246), and the first sliding block (246) is used for bearing the round steel tube (1).
4. The round steel tube flanging die of claim 3, characterized in that: a first base plate (231) is fixedly arranged on the lower surface of the first positioning column (23), a plurality of second bolts (4) penetrate through the first base plate (231), and the second bolts (4) are in threaded fit with the first lower template (22); the first punching needles (2431) penetrate through the first backing plate (231), and the first punching needles (2431) are matched with the first backing plate (231) in a sliding mode.
5. The round steel tube flanging die of claim 4, characterized in that: a plurality of third bolts (5) penetrate through the first base plate (231), and the third bolts (5) are in threaded fit with the bottom end of the first positioning column (23).
6. The round steel tube flanging die of claim 1, characterized in that: the lower surface of the second punch (61) is fixedly provided with an inserting part (612), and the inserting part (612) is in clamping fit with the inner side wall of the circular steel tube (1).
7. The round steel tube flanging die of claim 6, characterized in that: a third round corner (613) is arranged between the inserting part (612) and the second punch (61), and a fourth round corner (6321) is arranged at the edge of the top end of the second positioning hole (632).
8. The round steel tube flanging die of claim 4, characterized in that: the upper surface of the nut of the second bolt (4) is located below the upper surface of the first shim plate (231).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035988.5U CN214078676U (en) | 2020-12-15 | 2020-12-15 | Round steel tube flanging die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023035988.5U CN214078676U (en) | 2020-12-15 | 2020-12-15 | Round steel tube flanging die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214078676U true CN214078676U (en) | 2021-08-31 |
Family
ID=77428259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023035988.5U Active CN214078676U (en) | 2020-12-15 | 2020-12-15 | Round steel tube flanging die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214078676U (en) |
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2020
- 2020-12-15 CN CN202023035988.5U patent/CN214078676U/en active Active
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