CN113814302A - Ton bucket base U type pipe double-end pit-pressing throat forming die - Google Patents
Ton bucket base U type pipe double-end pit-pressing throat forming die Download PDFInfo
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- CN113814302A CN113814302A CN202111128647.9A CN202111128647A CN113814302A CN 113814302 A CN113814302 A CN 113814302A CN 202111128647 A CN202111128647 A CN 202111128647A CN 113814302 A CN113814302 A CN 113814302A
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- 238000003825 pressing Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009172 bursting Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Classifications
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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
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
- B21D19/10—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws working inwardly
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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
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/04—Reducing; Closing
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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
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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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
- B21D51/00—Making hollow objects
- B21D51/16—Making hollow objects characterised by the use of the objects
- B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
- B21D51/20—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like barrels
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention relates to a processing device for a ton barrel part, in particular to a double-head pit-pressing necking forming die for a U-shaped circular tube of a ton barrel base. The forming machine is characterized by comprising a bottom plate, wherein two positioning blocks are symmetrically arranged on the bottom plate, a limiting through groove is formed in the top of each positioning block, and a forming mechanism is arranged on the bottom plate on one side of the limiting through groove. The forming mechanism comprises a bracket fixed on the bottom plate, and a core sleeve is arranged on the bracket. Four radial holes are uniformly distributed between the outer side wall and the inner side wall of the core sleeve along the circumferential direction of the core sleeve, and forming punches are arranged in the radial holes. And cavities are formed in the core sleeve walls on one sides of the radial holes, and a first return spring is arranged between the forming punch and the cavities. The outside of the core sleeve corresponding to the radial hole is sleeved with a rotating sleeve, the inner wall of the rotating sleeve corresponding to the forming punch is provided with involute chutes, and the rotating sleeve is connected with a rotating arm. The support is provided with a driving cylinder, a lining core is arranged in the core sleeve, and a piston rod of the driving cylinder is in linkage fit with the lining core. The die has the advantages of high working efficiency, short forming time and high productivity.
Description
Technical Field
The invention relates to a processing device of a ton barrel part, in particular to a double-head pit-pressing necking forming die for a U-shaped circular tube (reinforcing rod) of a ton barrel base, which is used for performing pit-pressing necking on two ends of the U-shaped circular tube of the ton barrel base.
Background
A ton drum is a medium bulk container. Commonly known as: ton loading, ton packaging and kiloliter barrel. Has the advantages of light weight, high strength, corrosion resistance and the like. It can be widely used in chemical industry, medicine, food, coating, and oil industry. Is a necessary tool for storing and transporting liquid products in modern storage. The ton barrel is mainly formed by combining an inner container and a metal frame. A U-shaped round pipe (reinforcing rod) can be arranged on the metal frame base of the ton barrel. And both ends of the U-shaped round pipe need to be subjected to pit pressing and necking treatment.
At present, an automatic bending forming machine is adopted in the industry to carry out pit pressing and necking treatment on two ends of a U-shaped circular pipe respectively, namely, one end of the U-shaped circular pipe is firstly sent into the automatic bending forming machine to carry out pit pressing and necking treatment; then, drawing out one processed end, and sending the other end of the U-shaped circular tube into an automatic bending forming machine for pit pressing and necking treatment; and finally, taking out the U-shaped round pipe. The two ends of the processing mode are respectively processed in sequence, steps of repeated feeding, repeated rotation and the like are needed, the working efficiency is low, the time required by forming is long, and the productivity is low.
Disclosure of Invention
The invention aims to solve the technical problem of providing a double-head crater pressing and necking forming die for a U-shaped round pipe of a ton barrel base, and the die is high in working efficiency, short in forming time and high in productivity.
In order to solve the problems, the following technical scheme is provided:
the double-head pit-pressing necking forming die for the U-shaped circular tube of the ton barrel base is characterized by comprising a bottom plate, wherein two positioning blocks are symmetrically arranged on the bottom plate, a limiting through groove is formed in the corresponding position of the tops of the two positioning blocks, and a forming mechanism is arranged on the bottom plate on one side of the limiting through groove. The forming mechanism comprises a support fixed on the bottom plate, a core sleeve horizontally arranged is fixed on the support, and the axis of the core sleeve is perpendicular to the limiting through groove. Four radial holes are uniformly distributed between the outer side wall and the inner side wall of the core sleeve along the circumferential direction of the core sleeve, the axes of the four radial holes are coplanar, forming punches are arranged in the radial holes, the forming punches are matched with the radial holes in a sliding mode, and the length of each forming punch is greater than that of each radial hole. The core sleeve wall on one side of the radial hole is internally provided with a cavity which is communicated with the radial hole, the cavity is internally provided with a first return spring which is longitudinally arranged along the forming punch, one end of the first return spring is fixed on the inner side wall of the cavity, and the other end of the first return spring is fixedly connected with the forming punch. The outside cover of that section core cover that radial hole corresponds has the rotation cover, rotates and is the cooperation of rotating form between the lateral wall of the interior lateral wall of cover and core, all there is the spout of gradually bursting at the seams on the rotation cover inner wall that the shaping drift corresponds, rotates the cover and is connected with the rotor arm. The support corresponding to one end of the core sleeve far away from the positioning block is provided with a driving cylinder, the core sleeve is internally provided with a lining core, one end of the lining core penetrates through one end of the core sleeve far away from the positioning block and extends out, the lining core is in sliding fit with the core sleeve, and a piston rod of the driving cylinder is in linkage fit with the lining core.
The rotating arm comprises an outer sleeve, the outer sleeve is sleeved outside the rotating sleeve, and the outer sleeve is in linkage fit with the rotating sleeve; the outer wall of the outer sleeve is provided with a protruding part extending towards the other forming mechanism, and the outer end of the protruding part is provided with rollers horizontally arranged.
And a second return spring is arranged between the rotating arm and the bottom plate.
The inner cavity of one end of the core sleeve close to the positioning block is trumpet-shaped.
The driving cylinder is a core-pulling cylinder.
The lining core is divided into a first section body, a second section body and a third section body in sequence from the extending end to the other end of the lining core, the first section body, the second section body and the third section body are coaxially arranged, the outer diameter of the first section body is larger than the inner diameter of the core sleeve, the second section body is matched with the inner diameter of the core sleeve, and the outer diameter of the third section body is smaller than the inner diameter of the U-shaped circular tube.
One end of the forming punch close to the rotating sleeve is provided with a pulley, so that the forming punch is matched with the rotating sleeve in a rolling way.
The support comprises a front supporting seat and a rear supporting seat in sequence from one side close to the positioning block to the other side, a distance is reserved between the front supporting seat and the rear supporting seat, the core sleeve is fixed between the front supporting seat and the rear supporting seat, one end of the core sleeve is positioned on the side wall of the front supporting seat close to the positioning block, a pressure cover is arranged on the side wall of the front supporting seat corresponding to the core sleeve, a yielding hole is arranged on the pressure cover corresponding to the central hole of the core sleeve, and the other end of the core sleeve is positioned on the side wall of the rear supporting seat far away from the positioning block. The rotating sleeve is positioned in the distance between the front supporting seat and the rear supporting seat. The driving cylinder is connected with the rear supporting seat.
And a first fixing plate is fixed on the side wall of the rear supporting seat far away from the positioning block through a bolt, the first fixing plate is vertical to the axis of the core sleeve, and the driving cylinder is fixed on the first fixing plate. A second fixing plate is arranged between the first fixing plate and the rear supporting seat, a guide rod is fixed on the side wall of the rear supporting seat far away from the positioning block, the guide rod is parallel to the axis of the core sleeve, a guide hole is formed in the second fixing plate corresponding to the guide rod, the second fixing plate is connected with the guide rod through the guide hole, the second fixing plate and the guide rod are in longitudinal sliding fit along the guide rod, one end of the lining core is fixed on the second fixing plate, and the other end of the lining core is positioned in the core sleeve; the outer end of the piston rod of the driving cylinder is connected with the second fixing plate.
By adopting the scheme, the method has the following advantages:
because the bottom plate of the ton barrel base U-shaped circular tube double-end pit-pressing necking forming die is symmetrically provided with two positioning blocks, the corresponding positions of the tops of the two positioning blocks are provided with limiting through grooves, the bottom plate on one side of the limiting through grooves is provided with a forming mechanism, the forming mechanism comprises a bracket fixed on the bottom plate, the bracket is provided with a core sleeve, four radial holes are uniformly distributed between the outer side wall and the inner side wall of the core sleeve along the circumferential direction of the core sleeve, forming punches are arranged in the radial holes, the wall of the core sleeve on one side of the radial holes is provided with a cavity, the cavity is communicated with the radial holes, a first return spring is arranged in the cavity, one end of the first return spring is fixed on the inner side wall of the cavity, the other end of the first return spring is fixedly connected with the forming punches, the outer side of the core sleeve corresponding to the radial holes is sleeved with a rotating sleeve, the inner wall of the rotating sleeve corresponding to the forming punches is provided with involute chutes, and the rotating sleeve is connected with a rotating arm, the driving cylinder is arranged on the support corresponding to one end of the core sleeve far away from the positioning block, the lining core is arranged in the core sleeve, and the lining core is in linkage fit with a piston rod of the driving cylinder. When the die is used, the die is arranged on a press machine or a punch press, so that the driving block of the press machine or the punch press is in linkage fit with the two rotating walls of the die. When the positioning block is in work, two ends of the U-shaped circular tube are inclined downwards and are inserted into the core sleeves from one ends of the two core sleeves close to the positioning block in a one-to-one correspondence manner; then, downwards pressing the U-shaped circular pipe to enable the straight part of the U-shaped circular pipe to enter the limiting through grooves of the two positioning blocks, and completing limiting; then, the piston rods of the two forming mechanism driving cylinders extend out, so that the two lining cores enter two ends of the U-shaped circular tube respectively; then, a driving block of the press machine or the punch press descends to drive rotating arms of the two forming mechanisms to drive the rotating sleeve to rotate, the rotating sleeve moves in the rotating process, one end of the forming punch moves from the deep end to the shallow end of the involute chute, the involute chute pushes the forming punch to move towards the center of the core sleeve under the guiding action of the radial hole, the first return spring is stretched to generate elastic potential energy, and the forming punch performs pit pressing and necking treatment on the head of the U-shaped circular tube under the action of the lining core; after pit pressing and necking are completed, a driving block of a press machine or a punch moves upwards, a rotating arm drives a rotating sleeve to reset, one end of a forming punch moves from the shallow end to the deep end of an involute sliding chute, the elastic potential energy of a first reset spring is released, the forming punch resets, and a driving cylinder drives a lining core to reset; and finally, freely taking out the formed U-shaped circular tube. The forming die is formed by combining two forming mechanisms, each forming mechanism is provided with four forming punches, and after one-time stamping, two end port parts of the U-shaped circular tube respectively have four pit pressing shapes corresponding to the forming parts of the forming punches, namely, pit pressing and necking operations at two ends of the U-shaped circular tube can be completed by one-time operation. Compared with the two-end separated molding in the background technology, the working efficiency is greatly improved, the molding time is greatly shortened, and the productivity is higher.
Drawings
FIG. 1 is a schematic structural diagram of a double-head crater pressing and necking forming die for a U-shaped round pipe of a base of a ton barrel;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 2;
fig. 4 is a schematic view of a double-headed crater-pressing necking forming die for a U-shaped circular tube of a ton barrel base according to the present invention in a forming operation (a hidden positioning block, a front supporting seat and a core sleeve are in a half-section state).
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4, the ton barrel base type circular tube double-end pit-pressing necking forming die comprises a bottom plate 1, two positioning blocks 9 are symmetrically arranged on the bottom plate 1, limiting through grooves 25 are respectively arranged at corresponding positions of the tops of the two positioning blocks 9, and forming mechanisms are respectively arranged on the bottom plate 1 at one side of each limiting through groove 25. The forming mechanism comprises a bracket fixed on the bottom plate 1, a core sleeve 5 horizontally arranged is fixed on the bracket, and the axis of the core sleeve 5 is vertical to the limiting through groove 25. Four radial holes are uniformly distributed between the outer side wall and the inner side wall of the core sleeve 5 along the circumferential direction of the core sleeve, the axes of the four radial holes are coplanar, forming punches 6 are arranged in the radial holes, the forming punches 6 are in sliding fit with the radial holes, and the length of each forming punch 6 is greater than that of each radial hole. The die cavity 20 is formed in the wall of the core sleeve 5 on one side of the radial hole, the die cavity 20 is communicated with the radial hole, the first return spring 21 longitudinally arranged along the forming punch 6 is arranged in the die cavity 20, one end of the first return spring 21 is fixed on the inner side wall of the die cavity 20, and the other end of the first return spring 21 is fixedly connected with the forming punch 6. The outside cover that section core cover 5 that radial hole corresponds has and rotates cover 12, rotates and is the cooperation of rotating form between 12 inside walls of cover and the outside wall of core cover 5, all there is involute spout 24 on the rotating sleeve 12 inner wall that shaping drift 6 corresponds, rotates cover 12 and is connected with the rotor arm. A driving cylinder 18 is arranged on the bracket corresponding to one end of the core sleeve 5 far away from the positioning block 9, and the driving cylinder 18 is a core-pulling cylinder. The core sleeve 5 is internally provided with an inner lining core, one end of the inner lining core penetrates through one end of the core sleeve 5 far away from the positioning block 9 and extends out, the inner lining core is in sliding fit with the core sleeve 5, and a piston rod of the driving cylinder 18 is in linkage fit with the inner lining core. The support sequentially comprises a front supporting seat 3 and a rear supporting seat 25 from one side to the other side close to a positioning block 9, a distance is reserved between the front supporting seat 3 and the rear supporting seat 25, a core sleeve 5 is fixed between the front supporting seat 3 and the rear supporting seat 25, one end of the core sleeve 5 is positioned on the side wall of the front supporting seat 3 close to the positioning block 9, a pressure cover 4 is arranged on the side wall of the front supporting seat 3 corresponding to the core sleeve 5, a yielding hole 22 is arranged on the pressure cover 4 corresponding to a central hole of the core sleeve 5, and the other end of the core sleeve 5 is positioned on the side wall of the rear supporting seat 25 far away from the positioning block 9. The swivel sleeve 12 is located in the distance between the front bearing block 3 and the rear bearing block 25. The drive cylinder 18 is connected to a rear support block 25. The side wall of the rear bearing seat 25 far away from the positioning block 9 is fixed with a first fixing plate 17 through a bolt 16, the first fixing plate 17 is vertical to the axis of the core sleeve 5, and the driving cylinder 18 is fixed on the first fixing plate 17. A second fixing plate 14 is arranged between the first fixing plate 17 and the rear supporting seat 25, a guide rod 15 is fixed on the side wall of the rear supporting seat 25 far away from the positioning block 9, the guide rod 15 is parallel to the axis of the core sleeve 5, a guide hole is arranged on the second fixing plate 14 corresponding to the guide rod 15, the second fixing plate 14 is connected with the guide rod 15 through the guide hole, the second fixing plate 14 and the guide rod 15 are in longitudinal sliding fit along the guide rod 15, one end of the lining core is fixed on the second fixing plate 14, and the other end of the lining core is positioned in the core sleeve 5. The outer end of the piston rod of the driving cylinder 18 is connected with the second fixing plate 14.
In order to reduce the friction force, the rotating arm comprises an outer sleeve 23, the outer sleeve 23 is sleeved outside the rotating sleeve 12, and the outer sleeve 23 is in linkage fit with the rotating sleeve 12. The outer wall of the outer sleeve 23 is provided with a protruding part 7 extending towards the other forming mechanism, and the outer end of the protruding part 7 is provided with a roller 8 horizontally arranged.
In order to realize automatic reset, a second reset spring 2 is arranged between the rotating arm and the bottom plate 1.
In order to facilitate the entering of the U-shaped round pipe 11, the inner cavity of one end of the core sleeve 5 close to the positioning block 9 is trumpet-shaped.
To achieve mechanical restraint, the distance that the liner core enters the U-shaped circular tube 11 is controlled. The lining core is sequentially divided into a first section 19-1, a second section 19-2 and a third section 19-3 from the extending end to the other end, the first section 19-1, the second section 19-2 and the third section 19-3 are coaxially arranged, the outer diameter of the first section 19-1 is larger than the inner diameter of the core sleeve 5, the second section 19-2 is matched with the inner diameter of the core sleeve 5, and the outer diameter of the third section 19-3 is smaller than the inner diameter of the U-shaped circular tube 11.
To reduce friction, a pulley 13 is provided on the end of the forming punch 6 adjacent to the rotating sleeve 12, so that the forming punch 6 is in rolling engagement with the rotating sleeve 12.
In use, the dies are mounted on a press or punch with the rollers 8 of the die extension 7 all located below the drive block 10 of the press or punch. When the positioning device works, two ends of the U-shaped circular tube 11 are inclined downwards and are inserted into the core sleeves 5 from one ends of the two core sleeves 5 close to the positioning blocks 9 in a one-to-one correspondence manner. Then, the U-shaped round pipe 11 is pressed downwards, so that the straight part of the U-shaped round pipe enters the limiting through grooves 25 of the two positioning blocks 9, and limiting is completed. Then, the piston rods of the two forming mechanism driving cylinders 18 are extended, so that the third sections 19-3 of the two lining cores enter the two ends of the U-shaped circular tube 11 respectively. Then, a driving block 10 of the press machine or the punch press descends to drive rotating arms of the two forming mechanisms to drive a rotating sleeve 12 to rotate, a second return spring 2 is stretched, one end of a forming punch 6 moves from the deep end to the shallow end of an involute chute 24 in the rotating process of the rotating sleeve 12, the involute chute 24 pushes the forming punch 6 to move towards the center of a core sleeve 5 under the guiding action of a radial hole, a first return spring 21 is stretched to generate elastic potential energy, and the forming punch 6 performs pit pressing and necking treatment on the head of the U-shaped circular tube 11 under the action of an lining core. After the hole pressing and necking are completed, the driving block 10 of the press machine or the punch press moves upwards, the elastic potential energy of the second reset spring 2 is released, the rotating arm drives the rotating sleeve 12 to reset, one end of the forming punch 6 moves from the shallow end to the deep end of the involute chute 24, the elastic potential energy of the first reset spring 21 is released, the forming punch 6 resets, and the driving cylinder 18 drives the lining core to reset. And finally, freely taking out the formed U-shaped circular tube 11.
Claims (9)
1. The double-head pit-pressing necking forming die for the U-shaped round pipe of the base of the ton barrel is characterized by comprising a bottom plate (1), wherein two positioning blocks (9) are symmetrically arranged on the bottom plate (1), limiting through grooves (25) are formed in corresponding positions of the tops of the two positioning blocks (9), and forming mechanisms are arranged on the bottom plate (1) on one side of each limiting through groove (25); the forming mechanism comprises a bracket fixed on the bottom plate (1), a core sleeve (5) horizontally arranged is fixed on the bracket, and the axis of the core sleeve (5) is vertical to the limiting through groove (25); four radial holes are uniformly distributed between the outer side wall and the inner side wall of the core sleeve (5) along the circumferential direction of the core sleeve, the axes of the four radial holes are coplanar, forming punches (6) are arranged in the radial holes, the forming punches (6) are in sliding fit with the radial holes, and the length of the forming punches (6) is greater than that of the radial holes; the core sleeve (5) on one side of the radial hole is provided with a cavity (20), the cavity (20) is communicated with the radial hole, a first return spring (21) longitudinally arranged along the forming punch (6) is arranged in the cavity (20), one end of the first return spring (21) is fixed on the inner side wall of the cavity (20), and the other end of the first return spring (21) is fixedly connected with the forming punch (6); the outer side of the section of the core sleeve (5) corresponding to the radial hole is sleeved with a rotating sleeve (12), the inner side wall of the rotating sleeve (12) is in rotating fit with the outer side wall of the core sleeve (5), involute sliding grooves (24) are formed in the inner wall of the rotating sleeve (12) corresponding to the forming punch (6), and the rotating sleeve (12) is connected with a rotating arm; a driving cylinder (18) is arranged on the support corresponding to one end of the core sleeve (5) far away from the positioning block (9), a lining core is arranged in the core sleeve (5), one end of the lining core penetrates through one end of the core sleeve (5) far away from the positioning block (9) and extends out, the lining core is in sliding fit with the core sleeve (5), and a piston rod of the driving cylinder (18) is in linkage fit with the lining core.
2. The double-head crater pressing and necking forming die for the U-shaped round pipe of the ton barrel base as claimed in claim 1, wherein the rotating arm comprises an outer sleeve (23), the outer sleeve (23) is sleeved outside the rotating sleeve (12), and the outer sleeve (23) is in linkage fit with the rotating sleeve (12); the outer wall of the outer sleeve (23) is provided with a protruding part (7) extending towards the other forming mechanism, and the outer end of the protruding part (7) is provided with rollers (8) horizontally arranged.
3. The double-headed crater-pressing necking forming die for the U-shaped round pipe of the ton barrel base as claimed in claim 1, wherein a second return spring (2) is arranged between the rotating arm and the bottom plate (1).
4. The double-headed crater sink forming die for the U-shaped circular tube of the base of the ton barrel as claimed in claim 1, wherein the inner cavity of the core sleeve (5) near the positioning block (9) is horn-shaped.
5. The double-head crater-pressing necking forming die for the U-shaped round pipe of the ton barrel base as claimed in claim 1, characterized in that the driving cylinder (18) is a core-pulling cylinder.
6. The double-head crater-pressing necking forming die for the U-shaped round pipe of the ton barrel base as claimed in claim 1, wherein the lining core is sequentially divided into a first section (19-1), a second section (19-2) and a third section (19-3) from the outer extension end to the other end, the first section (19-1), the second section (19-2) and the third section (19-3) are coaxially arranged, the outer diameter of the first section (19-1) is larger than the inner diameter of the core sleeve (5), the second section (19-2) is matched with the inner diameter of the core sleeve (5), and the outer diameter of the third section (19-3) is smaller than the inner diameter of the U-shaped round pipe.
7. The double-head crater-sink forming die for the U-shaped round tube of the ton barrel base as claimed in claim 1, wherein a pulley (13) is provided at one end of the forming punch (6) close to the rotating sleeve (12) to enable the forming punch (6) to be in rolling fit with the rotating sleeve (12).
8. The double-head pit-pressing necking forming die for the U-shaped circular tube of the ton barrel base as claimed in any one of claims 1 to 7, wherein the support sequentially comprises a front supporting seat (3) and a rear supporting seat (25) from one side to the other side close to the positioning block (9), a distance is reserved between the front supporting seat (3) and the rear supporting seat (25), the core sleeve (5) is fixed between the front supporting seat (3) and the rear supporting seat (25), one end of the core sleeve (5) is positioned on the side wall of the front supporting seat (3) close to the positioning block (9), a pressing cover (4) is arranged on the side wall of the front supporting seat (3) corresponding to the core sleeve (5), a relief hole (22) is arranged on the pressing cover (4) corresponding to the central hole of the core sleeve (5), and the other end of the core sleeve (5) is positioned on the side wall of the rear supporting seat (25) far away from the positioning block (9); the rotating sleeve (12) is positioned in the space between the front supporting seat (3) and the rear supporting seat (25); the driving cylinder (18) is connected with a rear support base (25).
9. The double-head crater-pressing necking forming die for the U-shaped round pipe of the ton barrel base as claimed in claim 8 is characterized in that a first fixing plate (17) is fixed on the side wall of the rear supporting seat (25) far away from the positioning block (9) through a bolt (16), the first fixing plate (17) is perpendicular to the axis of the core sleeve (5), and the driving cylinder (18) is fixed on the first fixing plate (17); a second fixing plate (14) is arranged between the first fixing plate (17) and the rear supporting seat (25), a guide rod (15) is fixed on the side wall of the rear supporting seat (25) far away from the positioning block (9), the guide rod (15) is parallel to the axis of the core sleeve (5), a guide hole is formed in the second fixing plate (14) corresponding to the guide rod (15), the second fixing plate (14) is connected with the guide rod (15) through the guide hole, the second fixing plate (14) and the guide rod (15) are matched in a longitudinal sliding mode along the guide rod (15), one end of the lining core is fixed on the second fixing plate (14), and the other end of the lining core is located in the core sleeve (5); the outer end of the piston rod of the driving cylinder (18) is connected with the second fixing plate (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111128647.9A CN113814302A (en) | 2021-09-29 | 2021-09-29 | Ton bucket base U type pipe double-end pit-pressing throat forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111128647.9A CN113814302A (en) | 2021-09-29 | 2021-09-29 | Ton bucket base U type pipe double-end pit-pressing throat forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113814302A true CN113814302A (en) | 2021-12-21 |
Family
ID=78921346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111128647.9A Pending CN113814302A (en) | 2021-09-29 | 2021-09-29 | Ton bucket base U type pipe double-end pit-pressing throat forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113814302A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598732A (en) * | 1990-04-12 | 1997-02-04 | Dischler; Helmut | Compression tool |
| KR20010001297A (en) * | 1999-06-03 | 2001-01-05 | 구자홍 | The device of capillary tube and the method |
| CN201529716U (en) * | 2009-10-19 | 2010-07-21 | 浙江精功科技股份有限公司 | Round downpipe necking device |
| CN205887866U (en) * | 2016-07-29 | 2017-01-18 | 江西艾芬达暖通科技股份有限公司 | Normal bend pipe end two punching press throat equipment |
| CN111360169A (en) * | 2020-03-25 | 2020-07-03 | 宁波继峰科技有限公司 | Spinning type double-head pipe shrinking machine for automobile headrest support rod |
| CN211588279U (en) * | 2019-12-31 | 2020-09-29 | 博维恩冷冻科技（苏州）有限公司 | U-shaped copper pipe necking device |
| CN112642950A (en) * | 2020-11-14 | 2021-04-13 | 江苏首华智能装备有限公司 | Vehicle three way catalyst converter carrier pipe necking down device |
-
2021
- 2021-09-29 CN CN202111128647.9A patent/CN113814302A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5598732A (en) * | 1990-04-12 | 1997-02-04 | Dischler; Helmut | Compression tool |
| KR20010001297A (en) * | 1999-06-03 | 2001-01-05 | 구자홍 | The device of capillary tube and the method |
| CN201529716U (en) * | 2009-10-19 | 2010-07-21 | 浙江精功科技股份有限公司 | Round downpipe necking device |
| CN205887866U (en) * | 2016-07-29 | 2017-01-18 | 江西艾芬达暖通科技股份有限公司 | Normal bend pipe end two punching press throat equipment |
| CN211588279U (en) * | 2019-12-31 | 2020-09-29 | 博维恩冷冻科技（苏州）有限公司 | U-shaped copper pipe necking device |
| CN111360169A (en) * | 2020-03-25 | 2020-07-03 | 宁波继峰科技有限公司 | Spinning type double-head pipe shrinking machine for automobile headrest support rod |
| CN112642950A (en) * | 2020-11-14 | 2021-04-13 | 江苏首华智能装备有限公司 | Vehicle three way catalyst converter carrier pipe necking down device |
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