CN109772963B - Angle-adjustable pressure-bearing seat of bending machine - Google Patents
Angle-adjustable pressure-bearing seat of bending machine Download PDFInfo
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- CN109772963B CN109772963B CN201910088935.2A CN201910088935A CN109772963B CN 109772963 B CN109772963 B CN 109772963B CN 201910088935 A CN201910088935 A CN 201910088935A CN 109772963 B CN109772963 B CN 109772963B
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- supporting table
- swinging blocks
- rotating sleeve
- swinging
- limiting plate
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- 238000005452 bending Methods 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005465 channeling Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Abstract
The invention relates to an angle-adjustable pressure-bearing seat of a bending machine, wherein two pairs of swinging blocks are symmetrically hinged on the upper surface of a bottom plate, the lower ends of the same pairs of swinging blocks are respectively and symmetrically hinged with a threaded rod through gear meshing, the free ends of the two threaded rods on the same pair of swinging blocks are respectively connected with the two ends of the same threaded cylinder, two connecting rods are fixedly connected between the two swinging blocks on the same side of the two pairs of swinging blocks, a rotating sleeve is coaxially sleeved on each connecting rod, an annular supporting table is arranged in the middle of the rotating sleeve, a positioning groove with an arc-shaped circumferential surface is formed in the circumferential surface of the supporting table, each end of the supporting table is provided with an inwards-sunk annular spring mounting groove, two ends of the supporting table on each rotating sleeve are respectively and coaxially sleeved with a circular limiting plate, an adjusting nut matched with threads on the rotating sleeve is arranged on the outer side of each limiting plate, and a spring is sleeved between each limiting plate and one end of the corresponding supporting table.
Description
Technical Field
The invention relates to a bent pipe forming device, in particular to a bending machine pressure-bearing seat with an adjustable angle.
Background
In the use of metal pipe, many occasions need to use the metal return bend to connect, just must accomplish with the help of special return bend machinery in order to satisfy the demand, but the return bend of different angles is needed again in different occasions, and the processing production in-process of metal pipe often a bender can only process to the metal pipe of a bending angle, and the angle of buckling of different return bends all need correspond the bender pressure-bearing seat that matches with it, and the pertinence is strong adaptability poor, and machining efficiency is low, manufacturing cost is high, and the operation is inconvenient moreover.
Disclosure of Invention
In order to solve the problems, the invention provides an angle-adjustable pressure-bearing seat of a bending machine.
The specific contents are as follows: angle-adjustable's bender pressure-bearing seat, this pressure-bearing seat include bottom plate, swing piece, connecting rod and rotation sleeve, characterized by:
the upper surface of bottom plate on symmetry articulated two pairs of swinging blocks, through gear engagement, between the upper end inboard of same pair of swinging blocks respectively symmetry articulated a threaded rod, the free end of two threaded rods on same pair of swinging blocks is respectively through threaded connection at the both ends of same screw thread section of thick bamboo, two pairs of swinging blocks on same one side correspond respectively between two swinging blocks along the length direction horizontal fixed two connecting rods of swinging block, coaxial suit a rotation sleeve that matches with it on every connecting rod, the both ends of every rotation sleeve laminate with the side of corresponding swinging block respectively, rotation sleeve's middle being equipped with an annular supporting bench, the periphery of supporting bench on be equipped with a week cross-section and be curved constant head tank, be equipped with an annular spring mounting groove of invagination on each end of supporting bench on the periphery at both ends of rotation sleeve respectively, the both ends of a supporting bench on each rotation sleeve be equipped with the screw thread respectively coaxial spacing board respectively, be equipped with one with the rotation sleeve on the outside of each spacing board with the rotation sleeve on the screw nut of screw thread adjustment nut, the support bench corresponds between the one end of supporting bench and the corresponding one end of supporting bench and the spring and the spacing nut suit by the supporting bench.
Preferably, two parallel ear plates extending downwards are vertically fixed on the center of the lower surface of the bottom plate.
Preferably, two rows of pulleys are respectively fixed on a pair of parallel side surfaces of the bottom plate through revolute pairs, each row of pulleys comprises three pulleys, and the side surface where the pulleys are positioned is parallel to the swinging plane of the swinging block.
Preferably, the diameter of the limiting plate is larger than that of the supporting table.
The beneficial technical effects of the invention
According to the pressure-bearing seat of the bending machine with the adjustable angle, two pairs of swinging blocks are symmetrically hinged on the upper surface of a bottom plate, the lower ends of the same pairs of swinging blocks are symmetrically hinged with one threaded rod through gear meshing, the upper ends of the same pairs of swinging blocks are symmetrically hinged with one threaded rod, the free ends of the two threaded rods on the same pair of swinging blocks are respectively connected with the two ends of the same threaded cylinder, the relative distance between the two threaded rods is adjusted through the threaded cylinder, the included angle between the same pair of swinging blocks is adjusted, so that metal pipes with different bending angles can be produced, two connecting rods are fixedly connected between the two pairs of swinging blocks on the same side of the swinging blocks, a rotating sleeve is coaxially sleeved on each connecting rod, the rotating sleeve can relatively rotate along with the angle change in the bending process of the metal pipes, sliding friction force is converted into rolling friction force to reduce friction, an annular supporting table is arranged in the middle of the rotating sleeve, two ends of the supporting table on each rotating sleeve are coaxially sleeved with one limiting plate, an adjusting nut matched with the threads on the rotating sleeve is arranged on the outer side of each limiting plate, one end of the corresponding supporting table is sleeved with one spring, the supporting table is sleeved between the limiting plate and one end of the corresponding supporting table, the two supporting plates can be positioned in the same circle, and the corresponding positioning groove can be adjusted, and the metal pipe can be positioned in the same position can be positioned in a bending machine can not need to be adjusted, and can be positioned in a bending machine with the bending machine.
Drawings
Fig. 1 is a schematic perspective view of an angle-adjustable press seat of a bending machine;
fig. 2 is a left side view of an angularly adjustable press seat of the bending machine;
fig. 3 is a front view of an angularly adjustable press seat of the bending machine;
FIG. 4 is a cross-sectional view taken along the direction A-A in FIG. 3;
FIG. 5 is an enlarged schematic view of B in FIG. 4;
FIG. 6 is an embodiment of the present invention;
in the figure: 11. base plate, 111, ear plate, 112, pulley, 12, swinging block, 13, connecting rod, 14, rotating sleeve, 15, limiting plate, 16, supporting table, 161, positioning groove, 17, adjusting nut, 18, threaded cylinder, 19, threaded rod, 20, spring, 21, supporting frame, 22, pressure head, 23, pressure bearing seat of the invention, 24, metal pipe.
Detailed Description
In a first embodiment, see fig. 1-6, an angularly adjustable press seat for a bending machine, the press seat comprising a base plate, a swinging block, a connecting rod and a rotating sleeve,
two pairs of swinging blocks are symmetrically hinged on the upper surface of the bottom plate, the inner sides of the lower ends of the same pairs of swinging blocks are meshed through gears, threaded rods are symmetrically hinged between the inner sides of the upper ends of the same pairs of swinging blocks, the free ends of the two threaded rods on the same pairs of swinging blocks are respectively connected with the two ends of the same threaded cylinder through threads, the distance between the two threaded rods is adjusted through screwing the threaded cylinder, so that the included angle between the same pairs of swinging blocks is adjusted to adapt to bending angles of different metal pipes, two connecting rods are horizontally fixed between the two pairs of swinging blocks on the same side of the two pairs of swinging blocks along the length direction of the swinging blocks correspondingly, a rotating sleeve matched with the connecting rods is coaxially sleeved on each connecting rod, the two ends of each rotating sleeve are respectively attached to the side faces of the corresponding swinging blocks, and the rotating sleeve can relatively rotate along with the change of the angle in the bending process of the metal pipes, the sliding friction force is converted into rolling friction force to reduce friction, an annular supporting table is arranged in the middle of the rotating sleeve, a positioning groove with an arc-shaped circumferential section is arranged on the circumferential surface of the supporting table, an inward annular spring mounting groove is arranged at each end of the supporting table, threads are respectively arranged on the circumferential surfaces of the two ends of the rotating sleeve, two ends of the supporting table on each rotating sleeve are respectively coaxially sleeved with a circular limiting plate, an adjusting nut matched with the threads on the rotating sleeve is arranged on the outer side of each limiting plate, a spring is sleeved between each limiting plate and one end of the corresponding supporting table, one end of the spring is supported in the spring mounting groove of the corresponding end of the supporting table on the limiting plate supported by the nut, the support of the spring ensures that the limiting plate is always clung to the corresponding adjusting nut to prevent mess channeling.
The supporting table is characterized in that a circular arc-shaped positioning groove is formed in the circumferential surface of the supporting table, so that the metal pipe can be automatically positioned through the positioning groove when being placed on the supporting table, then the positions of the limiting plates on two sides are readjusted according to the pipe diameter, repeated positioning is not needed in the production of the same batch of metal pipes, the arc-shaped curvature radius of the positioning groove is larger than the radius of the coarsest pipe which can be processed, and damage to the pipe surface caused by the edge of the positioning groove is avoided.
Two parallel lug plates extending downwards are vertically fixed on the center of the lower surface of the bottom plate and are used for being connected with a power device to provide bending power for the pressure-bearing seat.
Two rows of pulleys are respectively fixed on a pair of parallel side surfaces on the bottom plate through revolute pairs, each row of pulleys comprises three pulleys, and the side surface where the pulleys are positioned is parallel to the swinging plane of the swinging block and is used for installing the pressure-bearing seat. The diameter of limiting plate be greater than the diameter of brace table, guarantee that the limiting plate can carry out spacingly to the tubular metal resonator of placing on the brace table.
The application process of the invention comprises the following steps:
referring to fig. 6, the bearing seat of the invention is installed on the supporting frame of the corresponding bending machine through pulleys on two sides of the bearing seat, is corresponding to the pressure head on the supporting frame, is connected with the power device through the lug plate on the lower surface of the bottom plate, simultaneously screws two threaded cylinders according to the actually required bending angle of the metal pipe, enables the included angle between the same pair of swinging blocks to reach the required angle, places two ends of the metal pipe to be bent on the positioning grooves of the supporting tables on the two upper rotating sleeves, automatically positions the two ends of the metal pipe, adjusts the corresponding limiting plate to enable the corresponding limiting plate to be tangent with the corresponding side surface of the metal pipe, clamps and limits the metal pipe through the two limiting plates on the same end, and finally bends through other equipment.
Claims (2)
1. Angle-adjustable's bender pressure-bearing seat, this pressure-bearing seat include bottom plate, swing piece, connecting rod and rotation sleeve, characterized by:
two pairs of swinging blocks are symmetrically hinged on the upper surface of the bottom plate, the inner sides of the lower ends of the same pair of swinging blocks are engaged through gears, the inner sides of the upper ends of the same pair of swinging blocks are symmetrically hinged with a threaded rod respectively, the free ends of the two threaded rods on the same pair of swinging blocks are connected with the two ends of the same threaded cylinder respectively through threads, two pairs of connecting rods are horizontally fixed between the two swinging blocks on the same side of the swinging blocks respectively along the length direction of the swinging blocks, a rotating sleeve matched with the rotating sleeve is coaxially sleeved on each connecting rod, the two ends of each rotating sleeve are respectively attached to the side surfaces of the corresponding swinging blocks, an annular supporting table is arranged in the middle of the rotating sleeve, a positioning groove with an arc-shaped cross section is formed in the circumferential surface of the supporting table, an inwards-sunk annular spring mounting groove is formed in each end of the supporting table, threads are respectively formed in the circumferential surface of two ends of each rotating sleeve, two ends of each supporting table are respectively coaxially provided with a circular limiting plate, an adjusting nut matched with the rotating sleeve is coaxially arranged on the outer side of each limiting plate, one end of each limiting plate is sleeved with one end of the corresponding spring, and the other end of each supporting table is sleeved with one end of the corresponding supporting table, and the limiting nut is sleeved with one end of the corresponding supporting table;
two rows of pulleys are respectively fixed on a pair of parallel side surfaces on the bottom plate through a revolute pair, each row of pulleys comprises three pulleys, and the side surface where the pulleys are positioned is parallel to the swinging plane of the swinging block;
the diameter of the limiting plate is larger than that of the supporting table.
2. The angularly adjustable press seat of a bending machine according to claim 1, characterized in that: two parallel ear plates extending downwards are vertically fixed on the center of the lower surface of the bottom plate.
Priority Applications (1)
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CN201910088935.2A CN109772963B (en) | 2019-01-30 | 2019-01-30 | Angle-adjustable pressure-bearing seat of bending machine |
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CN201910088935.2A CN109772963B (en) | 2019-01-30 | 2019-01-30 | Angle-adjustable pressure-bearing seat of bending machine |
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CN109772963A CN109772963A (en) | 2019-05-21 |
CN109772963B true CN109772963B (en) | 2024-01-19 |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003311330A (en) * | 2002-04-22 | 2003-11-05 | Tookin Kk | Method and device for bending metallic sheet |
CN205833902U (en) * | 2016-07-14 | 2016-12-28 | 浙江沪新不锈钢制造有限公司 | High precision steel tube automatic bending machine |
CN206578155U (en) * | 2016-12-07 | 2017-10-24 | 安徽鲲鹏装备模具制造有限公司 | A kind of plate bending machine of upward bending |
CN206966378U (en) * | 2017-05-22 | 2018-02-06 | 任丘市力洋压缩机制造有限公司 | Compressor oil pipe bending machine |
CN108817146A (en) * | 2018-05-03 | 2018-11-16 | 傅飞 | A kind of L shape workpiece automatic bending machine |
CN208116477U (en) * | 2018-05-07 | 2018-11-20 | 新昌县羽林街道全顺机械厂 | A kind of adjustable round tube bending machine |
CN109092939A (en) * | 2018-09-22 | 2018-12-28 | 华北理工大学 | A kind of computer room power distribution cabinet processing sheet metal bending device |
CN209647305U (en) * | 2019-01-30 | 2019-11-19 | 华北水利水电大学 | The bending machine Pressure Block of adjustable angle |
-
2019
- 2019-01-30 CN CN201910088935.2A patent/CN109772963B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003311330A (en) * | 2002-04-22 | 2003-11-05 | Tookin Kk | Method and device for bending metallic sheet |
CN205833902U (en) * | 2016-07-14 | 2016-12-28 | 浙江沪新不锈钢制造有限公司 | High precision steel tube automatic bending machine |
CN206578155U (en) * | 2016-12-07 | 2017-10-24 | 安徽鲲鹏装备模具制造有限公司 | A kind of plate bending machine of upward bending |
CN206966378U (en) * | 2017-05-22 | 2018-02-06 | 任丘市力洋压缩机制造有限公司 | Compressor oil pipe bending machine |
CN108817146A (en) * | 2018-05-03 | 2018-11-16 | 傅飞 | A kind of L shape workpiece automatic bending machine |
CN208116477U (en) * | 2018-05-07 | 2018-11-20 | 新昌县羽林街道全顺机械厂 | A kind of adjustable round tube bending machine |
CN109092939A (en) * | 2018-09-22 | 2018-12-28 | 华北理工大学 | A kind of computer room power distribution cabinet processing sheet metal bending device |
CN209647305U (en) * | 2019-01-30 | 2019-11-19 | 华北水利水电大学 | The bending machine Pressure Block of adjustable angle |
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