CN209902116U - Copper pipe bender with adjustable bending angle - Google Patents

Copper pipe bender with adjustable bending angle Download PDF

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Publication number
CN209902116U
CN209902116U CN201920554181.0U CN201920554181U CN209902116U CN 209902116 U CN209902116 U CN 209902116U CN 201920554181 U CN201920554181 U CN 201920554181U CN 209902116 U CN209902116 U CN 209902116U
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CN
China
Prior art keywords
arc groove
fixed
rack
base
oil cylinder
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Expired - Fee Related
Application number
CN201920554181.0U
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Chinese (zh)
Inventor
毛汉林
王清军
毛金夫
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Shaoxing Yinhan Pipe Fitting Co Ltd
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Shaoxing Yinhan Pipe Fitting Co Ltd
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Priority to CN201920554181.0U priority Critical patent/CN209902116U/en
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Publication of CN209902116U publication Critical patent/CN209902116U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A copper pipe bending machine with an adjustable bending angle comprises a base, wherein a feeding mechanism, a bending mechanism arranged on the right side of the feeding mechanism and a bending angle adjusting mechanism are arranged on the base; the bending angle adjusting mechanism comprises a rotating shaft fixed on the right-angle plate, a gear is fixed on the rotating shaft, a rack is meshed above the gear, one end of the rack is fixedly connected with a piston rod of a first oil cylinder fixed on the base, and the other end of the rack is connected with an adjusting screw in a threaded manner; the base is formed with a rack groove communicated with the bearing hole and a step hole communicated with the rack groove, the rack is sleeved in the rack groove, the screw section of the adjusting screw is sleeved in the small end hole of the step hole, and the head of the adjusting screw is pressed on the step surface of the step hole. The turning angle of the shaping block is adjusted through the adjusting screw, so that bent pipes with various different angle specifications can be manufactured, and the production cost can be effectively reduced.

Description

Copper pipe bender with adjustable bending angle
The technical field is as follows:
the utility model relates to a technical field of copper pipe processing, more specifically say and relate to a copper pipe bender of angle adjustable of bending.
Background art:
the copper tube is also called copper tube. One type of non-ferrous metal pipe is a pressed and drawn seamless pipe. Copper pipes are strong and corrosion resistant, and are commonly used for manufacturing heat exchange equipment (such as condensers, evaporators and the like). The heat dissipation copper pipe mostly needs to be used on air conditioning equipment, and a lot of heat dissipation copper pipes can be used for indirect heating equipment after need bending, but current copper pipe bender can only bend the copper pipe into an angle, when need bend into other angles, then need prepare another bender and bend, and manufacturing cost is higher.
The utility model has the following contents:
the utility model aims at being not enough to prior art, and provide a copper pipe bender of angle of bending adjustable, it adjusts the rotation angle of shaping piece through adjusting screw to can make the pipe of bending of multiple different angle specifications, effectively reduction in production cost.
A copper pipe bending machine with an adjustable bending angle comprises a base, wherein a feeding mechanism, a bending mechanism arranged on the right side of the feeding mechanism and a bending angle adjusting mechanism are arranged on the base;
the feeding mechanism comprises a feeding support fixed on the base, a semicircular groove penetrating in the left-right direction is formed in the feeding support, a first ejector rod capable of moving left and right is arranged in the semicircular groove, a first pressing block capable of lifting and moving left and right is arranged above the right end of the semicircular groove, and a first arc-shaped surface is formed on the lower bottom surface of the first pressing block;
the bending mechanism comprises a right-angle plate arranged in a concave platform at the right end of the base, a shaping block is fixed on the right-angle plate, a semicircular arc groove and a straight arc groove which is arranged at the upper end of the semicircular arc groove and is tangent to the semicircular arc groove are formed in the outer wall of the shaping block, a second ejector rod is sleeved at the right end of the straight arc groove, a second pressing block is arranged above the straight arc groove in the vertical direction, and a second arc surface is formed on one surface, facing the straight arc groove, of the second pressing block;
the bending angle adjusting mechanism comprises a rotating shaft fixed on the right-angle plate, the circle center of the semicircular arc groove is superposed with the central axis of the rotating shaft, the rotating shaft is hinged in a bearing hole of the base through a bearing, a gear is arranged in the bearing hole and fixed on the rotating shaft, a rack is meshed above the gear, one end of the rack is fixedly connected with a piston rod of a first oil cylinder fixed on the base, and the other end of the rack is screwed with an adjusting screw; the base is provided with a rack groove communicated with the bearing hole and a step hole communicated with the rack groove in a molding mode, the rack is inserted and sleeved in the rack groove, a screw section of the adjusting screw is inserted and sleeved in a small end hole of the step hole, and the head of the adjusting screw is pressed against the step surface of the step hole.
The feeding mechanism further comprises a first guide sliding rail which is fixed on the first pressing block and arranged in the left-right direction, the first guide sliding rail is inserted and sleeved on a first guide seat, a second oil cylinder is fixed on the first guide seat, a piston rod of the second oil cylinder is fixedly connected with the right end of the first guide sliding rail through a connecting arm, the first guide seat is fixed at the lower end of a piston rod of a third oil cylinder, the first guide seat is inserted and sleeved on a second guide seat which is vertically guided, and the third oil cylinder and the second guide seat are fixed on the base;
the left end of the first ejector rod is fixedly connected with a piston rod of a sixth oil cylinder fixed on the feeding support through a connecting block.
The bending mechanism further comprises a fourth oil cylinder connected with the second ejector rod and a second guide slide rail fixedly connected with the second pressing block, the second guide slide rail is inserted and sleeved on the third guide seat, the upper end of the second guide slide rail is fixedly connected with a piston rod of the fifth oil cylinder, and the fourth oil cylinder, the third guide seat and the fifth oil cylinder are fixed on the right-angle plate.
The novel rotary table is characterized in that a large arc groove and a small arc groove which take the rotary shaft as the circle center are formed in the concave platform, the small arc groove is formed in the front side of the large arc groove, a step pull rod is fixed on the rear side wall of the right-angle plate, a small section of the step pull rod is inserted in the small arc groove, and a large section of the step pull rod is inserted in the large arc groove.
The left end of the first ejector rod is sequentially formed with a first conical part, a first mandrel and a first top part from left to right;
a second conical part, a second mandrel and a second top part are sequentially formed at the right end of the second ejector rod from right to left;
the first mandrel and the second mandrel are matched with an inner hole of the copper pipe to be bent, and the first top and the second top are pressed at two ends of the copper pipe respectively.
And the distance L1 between the central axis of the rotating shaft and the upper side edge of the right-angle plate is equal to the distance L2 between the central axis of the rotating shaft and the vertical wall on the left side of the concave platform.
The beneficial effects of the utility model reside in that:
the turning angle of the shaping block is adjusted through the adjusting screw, so that bent pipes with various different angle specifications can be manufactured, and the production cost can be effectively reduced.
Description of the drawings:
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2 taken about A-A;
FIG. 4 is a cross-sectional view of FIG. 3 taken about B-B;
FIG. 5 is a cross-sectional view of FIG. 3 taken about C-C;
FIG. 6 is an enlarged view of a portion of FIG. 4 taken about D;
fig. 7 is a cross-sectional view of fig. 2 taken about E-E.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 7, the copper pipe bending machine with the adjustable bending angle comprises a base 1, wherein a feeding mechanism 2, a bending mechanism 3 arranged on the right side of the feeding mechanism 2 and a bending angle adjusting mechanism 4 are arranged on the base 1;
the feeding mechanism 2 comprises a feeding support 21 fixed on the base 1, a semicircular groove 211 penetrating in the left-right direction is formed in the feeding support 21, a first ejector rod 22 capable of moving left and right is arranged in the semicircular groove 211, a first pressing block 23 capable of lifting and moving left and right is arranged above the right end of the semicircular groove 211, and a first arc-shaped surface 231 is formed on the lower bottom surface of the first pressing block 23;
the bending mechanism 3 comprises a right-angle plate 31 arranged in a concave platform 101 at the right end of the base 1, a shaping block 32 is fixed on the right-angle plate 31, a semicircular arc groove 321 and a straight arc groove 322 which is arranged at the upper end of the semicircular arc groove 321 and is tangent with the semicircular arc groove are formed on the outer wall of the shaping block 32, a second ejector rod 33 is sleeved at the right end of the straight arc groove 322, a second pressing block 34 is arranged above the straight arc groove 322 in the vertical direction, and a second arc surface 341 is formed on one surface of the second pressing block 34 facing the straight arc groove 322;
the bending angle adjusting mechanism 4 comprises a rotating shaft 41 fixed on the right-angle plate 31, the circle center of the semicircular arc groove 321 is overlapped with the central axis of the rotating shaft 41, the rotating shaft 41 is hinged in a bearing hole 102 of the base 1 through a bearing, a gear 42 is arranged in the bearing hole 102, the gear 42 is fixed on the rotating shaft 41, a rack 43 is meshed above the gear 42, one end of the rack 43 is fixedly connected with a piston rod of a first oil cylinder 44 fixed on the base 1, and the other end of the rack 43 is screwed with an adjusting screw 45; a rack groove 103 communicated with the bearing hole 102 and a stepped hole 104 communicated with the rack groove 103 are formed in the base 1, the rack 43 is inserted in the rack groove 103, a screw section of the adjusting screw 45 is inserted in a small end hole of the stepped hole 104, and the head of the adjusting screw 45 is pressed against the stepped surface of the stepped hole 104.
Furthermore, the feeding mechanism 2 further comprises a first guide slide rail 24 fixed on the first press block 23 in the left-right direction, the first guide slide rail 24 is inserted and sleeved on a first guide seat 25, a second oil cylinder 26 is fixed on the first guide seat 25, a piston rod of the second oil cylinder 26 is fixedly connected with the right end of the first guide slide rail 24 through a connecting arm 27, the first guide seat 25 is fixed at the lower end of a piston rod of a third oil cylinder 28, the first guide seat 25 is inserted and sleeved on a vertically-guided second guide seat, and the third oil cylinder 28 and the second guide seat are fixed on the base 1;
the left end of the first top rod 22 is fixedly connected with a piston rod of a sixth oil cylinder 20 fixed on the feeding support 21 through a connecting block 29.
Furthermore, the bending mechanism 3 further includes a fourth oil cylinder 35 connected to the second top rod 33, and a second guide slide rail 37 fixedly connected to the second press block 34, the second guide slide rail 37 is inserted and sleeved on the third guide seat 38, the upper end of the second guide slide rail 37 is fixedly connected to a piston rod of the fifth oil cylinder 39, and the fourth oil cylinder 35, the third guide seat 38 and the fifth oil cylinder 39 are fixed to the right-angle plate 31.
Furthermore, a large arc groove 105 and a small arc groove 106 which take the rotating shaft 41 as a circle center are formed on the concave platform 101, the small arc groove 106 is arranged on the front side of the large arc groove 105, a step pull rod 30 is fixed on the rear side wall of the right-angle plate 31, a small section of the step pull rod 30 is inserted in the small arc groove 106, and a large section of the step pull rod 30 is inserted in the large arc groove 105.
Furthermore, a first taper part 221, a first mandrel 222 and a first top part 223 are sequentially formed at the left end of the first top bar 22 from left to right;
a second conical part, a second mandrel and a second top part are sequentially formed at the right end of the second ejector rod 33 from right to left;
the first mandrel 222 and the second mandrel are matched with the inner hole of the copper pipe 9 to be bent, and the first top 223 and the second top are respectively pressed against two ends of the copper pipe 9.
Furthermore, the distance L1 between the central axis of the rotating shaft 41 and the upper side of the rectangular plate 31 is equal to the distance L2 between the central axis of the rotating shaft 41 and the vertical wall 107 on the left side of the concave platform 101.
The working principle is as follows: firstly, a copper pipe 9 to be bent is placed in the semicircular groove 211, at the moment, the first ejector rod 22 is positioned on the left side of the copper pipe 9, the upper side edge of the right-angle plate 31 is pressed on the vertical wall 107, and the semicircular groove 211 and the straight arc groove are coaxially arranged; secondly, a piston rod of the fourth oil cylinder 35 extends to push the second top rod 33 to move left; the piston rod of the sixth oil cylinder 20 contracts to drive the first ejector rod 22 to move right through the connecting block 29, the first mandrel at the right end of the first ejector rod 22 is inserted into the left end of the copper pipe 9, then the copper pipe is continuously pushed to move right and is inserted into the straight arc groove, and finally the right end of the copper pipe 9 is inserted into the second mandrel of the second ejector rod, so that the copper pipe is clamped between the first ejector rod and the second ejector rod; a piston rod of the fifth oil cylinder 39 extends to drive the second guide slide rail 37 to move downwards along the third guide seat 38, and the second guide slide rail 37 drives the second pressing block 34 to move downwards and press against the right end of the copper pipe 9; simultaneously, the piston rod of the third oil cylinder 28 extends to drive the first guide seat 25 to move downwards, the first guide seat 25 drives the first pressing block 23 to move downwards through the first guide sliding rail 24 and presses against the left end of the copper pipe 9, and therefore the copper pipe 9 is fixed; thirdly, the piston rod of the first oil cylinder 44 contracts to drive the rack 43 to move right, the rack 43 drives the gear 42 to rotate clockwise (forward looking direction), the gear 42 drives the rectangular plate 31 to rotate clockwise through the rotating shaft 41, and when the head of the adjusting screw is pressed against the step surface of the step hole 104, the rectangular plate 31 stops rotating; the right angle plate 31 drives the shaping block 32 to rotate, in the turning process of the shaping block 32, the copper pipe is always attached to the side wall of the semicircular arc groove 321 on the shaping block 32, so that the copper pipe is bent, meanwhile, when the copper pipe is bent, the piston rod of the second oil cylinder extends to drive the connecting arm 27 to move right, the connecting arm 27 drives the first guide slide rail 24 to move right, the first guide slide rail 24 drives the first pressing block 23 to move right, and the first pressing block is always pressed against the left end of the copper pipe in the bending process of the copper pipe; fourthly, after the copper pipe is bent, the first pressing block and the second pressing block move upwards for resetting, the first ejector rod moves leftwards for resetting, the second ejector rod moves downwards for resetting, the bent copper pipe is unbound and automatically slides off the shaping block, and then a piston rod of the first oil cylinder extends to drive the right-angle plate to turn over and reset anticlockwise; fifthly, when the folding angle needs to be adjusted, the adjusting screw 45 can move on the rack by rotating the adjusting screw 45, the moving distance of the rack is changed by changing the distance between the head of the adjusting screw 45 and the step surface of the step hole 104, and the rotating angle of the gear is changed by changing the movement of the rack, so that the rotating angle of the rectangular plate and the shaping block is changed.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.

Claims (6)

1. The utility model provides a copper pipe bender of angle adjustable of bending, includes base (1), its characterized in that: the base (1) is provided with a feeding mechanism (2), a bending mechanism (3) arranged on the right side of the feeding mechanism (2) and a bending angle adjusting mechanism (4);
the feeding mechanism (2) comprises a feeding support (21) fixed on the base (1), a semicircular groove (211) penetrating in the left-right direction is formed in the feeding support (21), a first ejector rod (22) capable of moving left and right is arranged in the semicircular groove (211), a first pressing block (23) capable of lifting and moving left and right is arranged above the right end of the semicircular groove (211), and a first arc-shaped surface (231) is formed on the lower bottom surface of the first pressing block (23);
the bending mechanism (3) comprises a right-angle plate (31) arranged in a concave platform (101) at the right end of the base (1), a shaping block (32) is fixed on the right-angle plate (31), a semicircular arc groove (321) and a straight arc groove (322) which is arranged at the upper end of the semicircular arc groove (321) and is tangent to the semicircular arc groove are formed in the outer wall of the shaping block (32), a second ejector rod (33) is sleeved at the right end of the straight arc groove (322), a second pressing block (34) is arranged above the straight arc groove (322) in the vertical direction, and a second arc-shaped surface (341) is formed on one surface, facing the straight arc groove (322), of the second pressing block (34);
the bending angle adjusting mechanism (4) comprises a rotating shaft (41) fixed on the right-angle plate (31), the circle center of the semicircular arc groove (321) is overlapped with the central axis of the rotating shaft (41), the rotating shaft (41) is hinged in a bearing hole (102) of the base (1) through a bearing, a gear (42) is arranged in the bearing hole (102), the gear (42) is fixed on the rotating shaft (41), a rack (43) is meshed above the gear (42), one end of the rack (43) is fixedly connected with a piston rod of a first oil cylinder (44) fixed on the base (1), and the other end of the rack (43) is screwed with an adjusting screw (45); the base (1) is formed with a rack groove (103) communicated with the bearing hole (102) and a step hole (104) communicated with the rack groove (103), the rack (43) is inserted in the rack groove (103), a screw section of the adjusting screw (45) is inserted in a small end hole of the step hole (104), and the head of the adjusting screw (45) is pressed on a step surface of the step hole (104).
2. The copper pipe bending machine with the adjustable bending angle according to claim 1, is characterized in that: the feeding mechanism (2) further comprises a first guide sliding rail (24) which is fixed on the first pressing block (23) and arranged in the left-right direction, the first guide sliding rail (24) is inserted and sleeved on a first guide seat (25), a second oil cylinder (26) is fixed on the first guide seat (25), a piston rod of the second oil cylinder (26) is fixedly connected with the right end of the first guide sliding rail (24) through a connecting arm (27), the first guide seat (25) is fixed at the lower end of a piston rod of a third oil cylinder (28), the first guide seat (25) is inserted and sleeved on a second guide seat which is vertically guided, and the third oil cylinder (28) and the second guide seat are fixed on the base (1);
the left end of the first ejector rod (22) is fixedly connected with a piston rod of a sixth oil cylinder (20) fixed on the feeding support (21) through a connecting block (29).
3. The copper pipe bending machine with the adjustable bending angle according to claim 1, is characterized in that: the bending mechanism (3) further comprises a fourth oil cylinder (35) connected with the second ejector rod (33) and a second guide sliding rail (37) fixedly connected with the second pressing block (34), the second guide sliding rail (37) is inserted and sleeved on the third guide base (38), the upper end of the second guide sliding rail (37) is fixedly connected with a piston rod of the fifth oil cylinder (39), and the fourth oil cylinder (35), the third guide base (38) and the fifth oil cylinder (39) are fixed on the right-angle plate (31).
4. The copper pipe bending machine with the adjustable bending angle according to claim 1, is characterized in that: concave platform (101) are gone up the shaping and have big circular arc groove (105) and small circle arc groove (106) that use pivot (41) as the centre of a circle, and small circle arc groove (106) set up the front side in big circular arc groove (105), be fixed with step pull rod (30) on the rear side wall of right angle board (31), the segment plug bush of step pull rod (30) is in small circular arc groove (106), and the major segment plug bush of step pull rod (30) is in big circular arc groove (105).
5. The copper pipe bending machine with the adjustable bending angle according to claim 1, is characterized in that: a first conical part (221), a first mandrel (222) and a first top part (223) are sequentially formed at the left end of the first ejector rod (22) from left to right;
a second conical part, a second mandrel and a second top part are sequentially formed at the right end of the second ejector rod (33) from right to left;
the first mandrel (222) and the second mandrel are matched with an inner hole of a copper pipe (9) to be bent, and the first top part (223) and the second top part are respectively pressed against two ends of the copper pipe (9).
6. The copper pipe bending machine with the adjustable bending angle according to claim 1, is characterized in that: the distance L1 between the central axis of the rotating shaft (41) and the upper side of the right-angle plate (31) is equal to the distance L2 between the central axis of the rotating shaft (41) and the vertical wall (107) on the left side of the concave platform (101).
CN201920554181.0U 2019-04-23 2019-04-23 Copper pipe bender with adjustable bending angle Expired - Fee Related CN209902116U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920554181.0U CN209902116U (en) 2019-04-23 2019-04-23 Copper pipe bender with adjustable bending angle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920554181.0U CN209902116U (en) 2019-04-23 2019-04-23 Copper pipe bender with adjustable bending angle

Publications (1)

Publication Number Publication Date
CN209902116U true CN209902116U (en) 2020-01-07

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Application Number Title Priority Date Filing Date
CN201920554181.0U Expired - Fee Related CN209902116U (en) 2019-04-23 2019-04-23 Copper pipe bender with adjustable bending angle

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111496032A (en) * 2020-05-22 2020-08-07 杭涛 Pipe bending forming equipment and bending process
CN111545603A (en) * 2020-06-23 2020-08-18 张亚 Sheet metal bending machine and sheet metal bending method
CN111922147A (en) * 2020-07-06 2020-11-13 黄维淼 Copper pipe bending device
CN111922117A (en) * 2020-07-29 2020-11-13 许益波 Metal punch forming forging method
CN111957774A (en) * 2020-06-24 2020-11-20 东风汽车底盘系统有限公司 Guide arm lateral bending forming tool
CN113843322A (en) * 2021-08-30 2021-12-28 王顺龙 Annular new material processing equipment of buckling
CN115780595A (en) * 2023-01-06 2023-03-14 山西万瑞交通科技发展有限公司 Galvanized pipe bending machine capable of assisting in positioning

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111496032A (en) * 2020-05-22 2020-08-07 杭涛 Pipe bending forming equipment and bending process
CN111545603A (en) * 2020-06-23 2020-08-18 张亚 Sheet metal bending machine and sheet metal bending method
CN111545603B (en) * 2020-06-23 2022-01-04 杭州业东五金机械有限公司 Sheet metal bending machine and sheet metal bending method
CN111957774A (en) * 2020-06-24 2020-11-20 东风汽车底盘系统有限公司 Guide arm lateral bending forming tool
CN111922147A (en) * 2020-07-06 2020-11-13 黄维淼 Copper pipe bending device
CN111922117A (en) * 2020-07-29 2020-11-13 许益波 Metal punch forming forging method
CN111922117B (en) * 2020-07-29 2024-01-30 浙江立濠锻压有限公司 Metal stamping forming forging method
CN113843322A (en) * 2021-08-30 2021-12-28 王顺龙 Annular new material processing equipment of buckling
CN113843322B (en) * 2021-08-30 2023-12-29 宁波市海曙宇众金属制品有限公司 Annular new material processing equipment of buckling
CN115780595A (en) * 2023-01-06 2023-03-14 山西万瑞交通科技发展有限公司 Galvanized pipe bending machine capable of assisting in positioning
CN115780595B (en) * 2023-01-06 2023-04-11 山西万瑞交通科技发展有限公司 Galvanized pipe bending machine capable of assisting in positioning

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