CN107755483B - Bending device and bending method for medical instrument traction rod - Google Patents

Bending device and bending method for medical instrument traction rod Download PDF

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Publication number
CN107755483B
CN107755483B CN201711112388.4A CN201711112388A CN107755483B CN 107755483 B CN107755483 B CN 107755483B CN 201711112388 A CN201711112388 A CN 201711112388A CN 107755483 B CN107755483 B CN 107755483B
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bending
rod
traction rod
traction
shaping
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CN107755483A (en
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汪群友
华盟章
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Tongling Yibang Technology Co ltd
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Tongling Yibang Technology Co ltd
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Abstract

The invention provides a medical instrument traction rod bending device applied to the technical field of medical instrument parts, wherein a traction rod limiting pipe (2) is arranged on a device limiting block (1) of the medical instrument traction rod bending device, a shaping block (6) on the traction rod limiting pipe (2) is of a semicircular structure in section, an arc-shaped surface (7) is arranged on the outer side of the shaping block (6), a rod body (4) of a traction rod (3) is of a structure capable of being inserted into the traction rod limiting pipe (2), and a bending part (5) of the traction rod (3) is of a structure capable of bypassing the arc-shaped surface (7) of the shaping block (6). The bending device and the bending method for the medical instrument traction rod have low cost, can conveniently and rapidly complete bending treatment of the traction rod for rod piece raw material processing, prevent the connecting part of the traction rod from breaking in the bending process, ensure that the arc shape of the joint part of the rod body part and the bending part meets the requirement, and reduce the rejection rate.

Description

Bending device and bending method for medical instrument traction rod
Technical Field
The invention belongs to the technical field of medical instrument parts, and particularly relates to a medical instrument traction rod bending device and a medical instrument traction rod bending method.
Background
In some medical devices, a U-shaped traction rod (traction shaft) is required, and the traction rod of the structure is generally formed by bending a rod member material of a straight rod structure, and then forming the U-shaped traction rod consisting of a rod body portion and a bending portion. In the prior art, when the traction rod is processed, the traction rod is thinner, so that the rod body part and the bending part are broken or the bending radian is not satisfactory or the parallelism between the rod body part and the bending part is insufficient, and the use of medical equipment cannot be met.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: to the prior art not enough, provide a simple structure, low in manufacturing cost can convenient and fast accomplish the processing of bending of member raw materials processing traction lever to prevent that the connecting portion of traction lever from breaking at the in-process of bending, ensure that the body of rod portion and the portion of bending of traction lever after bending can not take place to kick-back, ensure simultaneously that the joint portion arc shape of body of rod portion and portion of bending satisfies the requirement, thereby effectively improve traction lever processingquality, reduce the disability rate, medical instrument traction lever bending device of reduce cost.
The technical scheme adopted by the invention is as follows:
the invention relates to a medical instrument traction rod bending device, which comprises a device limiting block, wherein a traction rod limiting pipe is arranged on the device limiting block, the traction rod comprises a rod body part and a bending part, a shaping block is arranged on the traction rod limiting pipe, the shaping block is of a semicircular section structure, an arc-shaped surface is arranged on the outer side of the shaping block, the rod body part of the traction rod is of a structure capable of being inserted into the traction rod limiting pipe, and the bending part of the traction rod is of a structure capable of bypassing the arc-shaped surface of the shaping block.
The shaping block is arranged at the upper end position of one end of the traction rod limiting pipe, an arc transition structure is arranged between the shaping block and the end opening of the traction rod limiting pipe, the joint part of the rod body part and the bending part is a C-shaped connecting part, and the connecting part is arranged to be capable of being attached to the arc surface when the bending part of the traction rod bypasses the arc surface of the shaping block.
After the bending part of the traction rod bypasses the arc-shaped surface of the shaping block, the bending part is arranged to be capable of bending to a structure parallel to the rod body part, the device limiting block is further provided with a cylinder, the telescopic rod of the cylinder is arranged to be capable of exerting pressure on the structure of the bending part, and the cylinder is connected with a control part capable of controlling the telescopic rod of the cylinder to stretch out and draw back.
When the telescopic rod of the air cylinder applies pressure on the bending part, the telescopic rod of the air cylinder is arranged to be capable of pushing the bending part to move towards the rod body.
The medical instrument traction rod bending device further comprises a shaping block, the shaping block is movably clamped in a track of a positioning block at the lower end of the traction rod limiting pipe through a connecting bar, a concave shaping surface is arranged on the shaping block and is in a C-shaped concave structure, after the bending part of the traction rod bypasses an arc-shaped surface of the shaping block, the shaping surface of the shaping block is arranged to be capable of being abutted against the structure on the connecting part of the traction rod along the track, and a C-shaped shaping gap part is formed between the shaping surface and the arc-shaped surface.
The invention also relates to a bending method of the medical instrument traction rod, which has the advantages of simple steps and low manufacturing cost, can conveniently and rapidly complete the bending treatment of the traction rod for processing the rod piece raw material, prevents the connecting part of the traction rod from breaking in the bending process, ensures that the rod body part and the bending part of the bent traction rod cannot rebound, and simultaneously ensures that the arc shape of the joint part of the rod body part and the bending part meets the requirements, thereby effectively improving the processing quality of the traction rod, reducing the rejection rate and lowering the cost.
The bending steps of the medical instrument traction rod bending method provided by the invention are as follows: 1) The rod body of the traction rod to be bent is inserted into a traction rod limiting pipe 2 on a device limiting block, a bending part 5 of the traction rod 3 is bent upwards, and the traction rod 3 bypasses an arc-shaped surface 7 of a shaping block 6 on the traction rod limiting pipe 2; 2) Bending the bending part 5 of the traction rod 3 to a state of being arranged in parallel with the rod body part 4; 3) The control part controls the extension of the telescopic rod 10 of the air cylinder 9, the telescopic rod 10 of the air cylinder 9 applies pressure on the bending part 5, and the pressure applied by the telescopic rod 10 of the air cylinder 9 pushes the bending part 5 to move towards the rod body part 4; 4) The control part controls the telescopic rod 10 of the air cylinder 9 to shrink, the bending treatment of the traction rod 3 is completed, the steps are repeated, and the traction rod can be bent in batches.
After the bending part 5 of the traction rod 3 is bent to be parallel to the rod body part 4, the shaping block 11 is pushed to move along the track 13 to abut against the connecting part 8 of the traction rod 3, and the shaping gap part 15 between the shaping surface 14 and the arc-shaped surface 7 of the shaping block 11 clamps the connecting part 8.
After the control part controls the telescopic rod 10 of the air cylinder 9 to shrink, the shaping block 11 is pushed to leave the connecting part 8, the traction rod 3 which is subjected to bending treatment is taken out, and the traction rod 3 is put into another traction rod 3 to be subjected to bending treatment.
By adopting the technical scheme of the invention, the following beneficial effects can be obtained:
according to the bending device and the bending method for the medical instrument traction rod, when a rod piece raw material of a straight rod structure is bent to form a U-shaped traction rod, the rod body part of the traction rod formed by bending the rod piece raw material is inserted into a traction rod limiting pipe on a device limiting block, the bending part of the traction rod is bent upwards, the traction rod bypasses an arc-shaped surface of a shaping block on the traction rod limiting pipe, and then the bending part of the traction rod is bent to be parallel to the rod body part 4; the control part controls the extension of the telescopic rod of the air cylinder, the telescopic rod of the air cylinder applies pressure on the bending part, and the pressure applied by the telescopic rod of the air cylinder pushes the bending part to move towards the rod body part; finally, the control part controls the telescopic rod of the air cylinder to shrink, the bending treatment of the traction rod is completed, the steps are repeated, and the traction rod can be bent in batches. Above-mentioned structure, the spacing pipe of traction lever, design piece, cylinder cooperation can carry out spacingly, moulding to the parallelism of the portion of bending of traction lever and body of rod portion, and the arc shape of the junction of portion of bending of shaping piece and body of rod portion can carry out the buckling plasticity, after the traction lever shaping, the traction lever shape can not warp the rebound. Like this, staff's operation processing apparatus of bending when processing the traction lever, convenient laborsaving effectively ensures the machining efficiency and the processingquality of traction lever, reduces intensity of labour, improves the yield, reduces the material extravagant, satisfies large-scale batch production demand. The bending device and the bending method for the medical instrument traction rod have low manufacturing cost, can conveniently and rapidly complete bending treatment of the traction rod for rod piece raw material processing, prevent the connecting part of the traction rod from breaking in the bending process, ensure that the rod body part and the bending part of the bent traction rod cannot rebound, and simultaneously ensure that the arc shape of the joint part of the rod body part and the bending part meets the requirements, thereby improving the processing quality of the traction rod, reducing the rejection rate and reducing the cost.
Drawings
The following is a brief description of what is expressed in the drawings of this specification and the references in the drawings:
FIG. 1 is a schematic diagram of a front view of a medical device drawbar bending apparatus according to the present invention when bending a drawbar;
FIG. 2 is a schematic side view of a medical device drawbar bending apparatus according to the present invention when the drawbar is not bent;
the reference numerals are: 1. a device limiting block; 2. a traction rod limiting pipe; 3. a traction rod; 4. a rod body; 5. a bending part; 6. shaping blocks; 7. an arc surface; 8. a connection part; 9. a cylinder; 10. a telescopic rod; 11. shaping blocks; 12. a connecting strip; 13. a track; 14. shaping the surface; 15. shaping the gap part; 16. and (5) positioning blocks.
Detailed Description
The following describes the shape, structure, mutual position and connection relation between parts, action of parts and working principle of the specific embodiment of the present invention by describing examples in further detail:
as shown in fig. 1 and fig. 2, the invention relates to a medical instrument traction rod bending device, which comprises a device limiting block 1, wherein a traction rod limiting pipe 2 is arranged on the device limiting block 1, a traction rod 3 comprises a rod body part 4 and a bending part 5, a shaping block 6 is arranged on the traction rod limiting pipe 2, the shaping block 6 is of a semicircular cross section structure, an arc-shaped surface 7 is arranged on the outer side of the shaping block 6, the rod body part 4 of the traction rod 3 is of a structure capable of being inserted into the traction rod limiting pipe 2, and the bending part 5 of the traction rod 3 is of a structure capable of bypassing the arc-shaped surface 7 of the shaping block 6. In the structure, when the rod member raw material of the straight rod structure is bent to manufacture the U-shaped traction rod, the rod body 4 of the traction rod 3 is formed after the rod member raw material is bent and is inserted into the traction rod limiting pipe 2 on the device limiting block 1, the bending part 5 of the traction rod 3 is bent upwards, the traction rod 3 bypasses the arc-shaped surface 7 of the shaping block 6 on the traction rod limiting pipe 2, and then the bending part 5 of the traction rod 3 is bent to be parallel to the rod body 4; the control part controls the extension of the telescopic rod 10 of the air cylinder 9, the telescopic rod 10 of the air cylinder 9 applies pressure on the bending part 5, and the pressure applied by the telescopic rod 10 of the air cylinder 9 pushes the bending part 5 to move towards the rod body part 4; finally, the control part controls the telescopic rod 10 of the air cylinder 9 to shrink, the bending treatment of the traction rod 3 is completed, and the steps are repeated, so that the traction rod can be bent in batches. Above-mentioned structure, the spacing pipe 2 of traction lever, design piece 6, cylinder 9 cooperation can carry out spacing, moulding to the parallelism of the portion 5 of bending of traction lever and body of rod portion 4, and design piece 6 can carry out the roll-over plasticity to the arc shape of the junction portion of the portion of bending and body of rod portion, after the traction lever shaping, the traction lever shape can not warp the bounce. Above-mentioned medical instrument traction lever bending device, staff's operation processing apparatus of bending when processing the traction lever, convenient laborsaving effectively ensures the machining efficiency and the processingquality of traction lever, reduces intensity of labour, improves the yield, reduces the material extravagant, satisfies large-scale batch production demand. The bending device for the medical instrument traction rod has the advantages of simple structure and low manufacturing cost, can conveniently and rapidly complete bending treatment of the traction rod for rod piece raw material processing, prevents the connecting part of the traction rod from breaking in the bending process, ensures that the rod body part and the bending part of the bent traction rod cannot rebound, and simultaneously ensures that the arc shape of the joint part of the rod body part and the bending part meets the requirements, thereby effectively improving the processing quality of the traction rod, reducing the rejection rate and lowering the cost.
The shaping block 6 is arranged at the upper end position of one end of the traction rod limiting pipe 2, an arc transition structure is arranged between the shaping block 6 and the end opening of the traction rod limiting pipe 2, the joint part of the rod body part 4 and the bending part 5 is a C-shaped connecting part 8, and the connecting part 8 is arranged to be capable of being attached to the arc surface 7 when the bending part 5 of the traction rod 3 bypasses the arc surface 7 of the shaping block 6. According to the structure, when the traction rod is processed, after the rod piece raw material is bent, the rod piece raw material is qualitatively and quickly abutted against the joint part of the rod body part and the bending part from the inner side part, so that the joint part is bent along the shape of the outer side surface of the qualitative block during bending, an arc-shaped joint part is formed, the joint part is smooth in shape, bending stress is uniform, and the problem of breakage caused by overlarge local bending stress can be avoided.
After the bending part 5 of the traction rod 3 bypasses the arc-shaped surface 7 of the shaping block 6, the bending part 5 is arranged to be capable of bending to a structure parallel to the rod body part 4, the device limiting block 1 is further provided with an air cylinder 9, the telescopic rod 10 of the air cylinder 9 is arranged to be capable of exerting pressure on the bending part 5, and the air cylinder 9 is connected with a control component capable of controlling the telescopic rod 10 of the air cylinder 9 to stretch. According to the structure, the bending part of the bent traction rod can be forced to bend further through the arrangement of the air cylinder, and the bending part and the rod body part are just in a horizontal state when the telescopic rod of the air cylinder extends to the longest state through the arrangement formed by extending the air cylinder, so that after the telescopic rod is folded in place, the telescopic rod of the air cylinder is kept in a compressed state for a period of time, and cannot rebound after being loosened.
When the telescopic rod 10 of the air cylinder 9 applies pressure on the bending part 5, the telescopic rod 10 of the air cylinder 9 is provided with a structure capable of pushing the bending part 5 to move towards the rod body part 4.
The medical instrument traction rod bending device further comprises a shaping block 11, the shaping block 11 is movably clamped in a track 13 of a positioning block 16 at the lower end of the traction rod limiting tube 2 through a connecting strip 12, a concave shaping surface 14 is arranged on the shaping block 11, the shaping surface 14 is of a C-shaped concave structure, after the bending part 5 of the traction rod 3 bypasses the arc-shaped surface 7 of the shaping block 6, the shaping surface 14 of the shaping block 11 is arranged to be capable of moving along the track 13 to lean against the structure on the connecting part 8 of the traction rod 3, and a C-shaped shaping gap part 15 is formed between the shaping surface 14 and the arc-shaped surface 7. Above-mentioned structure, plastic piece and design piece cooperation compress tightly, mould the arc shape of joint portion from the joint portion outside to can form circular-arc joint portion, make joint portion shape slick and sly transition, the atress of buckling is even, can not appear local bending stress too big and fracture problem.
The invention also relates to a bending method of the medical instrument traction rod, which has the advantages of simple steps and low manufacturing cost, can conveniently and rapidly complete the bending treatment of the traction rod for processing the rod piece raw material, prevents the connecting part of the traction rod from breaking in the bending process, ensures that the rod body part and the bending part of the bent traction rod cannot rebound, and simultaneously ensures that the arc shape of the joint part of the rod body part and the bending part meets the requirements, thereby effectively improving the processing quality of the traction rod, reducing the rejection rate and lowering the cost.
The bending steps of the medical instrument traction rod bending method provided by the invention are as follows: 1) The rod body 4 of the traction rod 3 to be bent is inserted into the traction rod limiting pipe 2 on the device limiting block 1, the bending part 5 of the traction rod 3 is bent upwards, and the traction rod 3 bypasses the arc-shaped surface 7 of the shaping block 6 on the traction rod limiting pipe 2; 2) Bending the bending part 5 of the traction rod 3 to a state of being arranged in parallel with the rod body part 4; 3) The control part controls the extension of the telescopic rod 10 of the air cylinder 9, the telescopic rod 10 of the air cylinder 9 applies pressure on the bending part 5, and the pressure applied by the telescopic rod 10 of the air cylinder 9 pushes the bending part 5 to move towards the rod body part 4; 4) The control part controls the telescopic rod 10 of the air cylinder 9 to shrink, the bending treatment of the traction rod 3 is completed, the steps are repeated, and the traction rod can be bent in batches.
After the bending part 5 of the traction rod 3 is bent to be parallel to the rod body part 4, the shaping block 11 is pushed to move along the track 13 to abut against the connecting part 8 of the traction rod 3, and the shaping gap part 15 between the shaping surface 14 and the arc-shaped surface 7 of the shaping block 11 clamps the connecting part 8.
After the control part controls the telescopic rod 10 of the air cylinder 9 to shrink, the shaping block 11 is pushed to leave the connecting part 8, the traction rod 3 which is subjected to bending treatment is taken out, and the traction rod 3 is put into another traction rod 3 to be subjected to bending treatment.
According to the bending device and the bending method for the medical instrument traction rod, when a rod piece raw material of a straight rod structure is bent to form a U-shaped traction rod, the rod body part of the traction rod formed by bending the rod piece raw material is inserted into a traction rod limiting pipe on a device limiting block, the bending part of the traction rod is bent upwards, the traction rod bypasses an arc-shaped surface of a shaping block on the traction rod limiting pipe, and then the bending part of the traction rod is bent to be parallel to the rod body part 4; the control part controls the extension of the telescopic rod of the air cylinder, the telescopic rod of the air cylinder applies pressure on the bending part, and the pressure applied by the telescopic rod of the air cylinder pushes the bending part to move towards the rod body part; finally, the control part controls the telescopic rod of the air cylinder to shrink, the bending treatment of the traction rod is completed, the steps are repeated, and the traction rod can be bent in batches. Above-mentioned structure, the spacing pipe of traction lever, design piece, cylinder cooperation can carry out spacingly, moulding to the parallelism of the portion of bending of traction lever and body of rod portion, and the arc shape of the junction of portion of bending of shaping piece and body of rod portion can carry out the buckling plasticity, after the traction lever shaping, the traction lever shape can not warp the rebound. Like this, staff's operation processing apparatus of bending when processing the traction lever, convenient laborsaving effectively ensures the machining efficiency and the processingquality of traction lever, reduces intensity of labour, improves the yield, reduces the material extravagant, satisfies large-scale batch production demand. The bending device and the bending method for the medical instrument traction rod have low manufacturing cost, can conveniently and rapidly complete bending treatment of the traction rod for rod piece raw material processing, prevent the connecting part of the traction rod from breaking in the bending process, ensure that the rod body part and the bending part of the bent traction rod cannot rebound, and simultaneously ensure that the arc shape of the joint part of the rod body part and the bending part meets the requirements, thereby improving the processing quality of the traction rod, reducing the rejection rate and reducing the cost.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the specific implementation of the invention is not limited by the foregoing, but rather is within the scope of the invention as long as various modifications are made by the method concept and technical scheme of the invention, or the concept and technical scheme of the invention are directly applied to other occasions without modification.

Claims (4)

1. A medical instrument drawbar bending device which is characterized in that: the medical instrument traction rod bending device comprises a device limiting block (1), wherein a traction rod limiting pipe (2) is arranged on the device limiting block (1), a traction rod (3) comprises a rod body part (4) and a bending part (5), a shaping block (6) is arranged on the traction rod limiting pipe (2), the section of the shaping block (6) is in a semicircular structure, an arc-shaped surface (7) is arranged on the outer side of the shaping block (6), the rod body part (4) of the traction rod (3) is arranged to be capable of being inserted into the structure in the traction rod limiting pipe (2), and the bending part (5) of the traction rod (3) is arranged to be capable of bypassing the arc-shaped surface (7) of the shaping block (6);
the shaping block (6) is arranged at the upper end position of one end part of the traction rod limiting pipe (2), an arc transition structure is arranged between the shaping block (6) and the end opening of the traction rod limiting pipe (2), the joint part of the rod body part (4) and the bending part (5) is a C-shaped connecting part (8), and when the bending part (5) of the traction rod (3) bypasses an arc-shaped surface (7) of the shaping block (6), the connecting part (8) is of a structure which can be attached to the arc-shaped surface (7);
the medical instrument traction rod bending device further comprises a shaping block (11), the shaping block (11) is movably clamped in a track (13) of a positioning block (16) at the lower end of the traction rod limiting tube (2) through a connecting strip (12), a concave shaping surface (14) is arranged on the shaping block (11), the shaping surface (14) is of a C-shaped concave structure, after the bending part (5) of the traction rod (3) bypasses an arc-shaped surface (7) of the shaping block (6), the shaping surface (14) of the shaping block (11) is arranged to be capable of moving along the track (13) to abut against a structure on a connecting part (8) of the traction rod (3), and a C-shaped shaping gap part (15) is formed between the shaping surface (14) and the arc-shaped surface (7);
after the bending part (5) of the traction rod (3) bypasses the arc-shaped surface (7) of the shaping block (6), the bending part (5) is arranged to be capable of being bent to a structure parallel to the rod body part (4), the device limiting block (1) is further provided with an air cylinder (9), the telescopic rod (10) of the air cylinder (9) is arranged to be capable of exerting pressure on the bending part (5), and the air cylinder (9) is connected with a control component capable of controlling the telescopic rod (10) of the air cylinder (9) to stretch;
when the telescopic rod (10) of the air cylinder (9) applies pressure on the bending part (5), the telescopic rod (10) of the air cylinder (9) is of a structure capable of pushing the bending part (5) to move towards the rod body part (4).
2. The medical device drawbar bending method of the medical device drawbar bending device according to claim 1, wherein: the bending steps of the medical instrument traction rod bending method are as follows: 1) inserting a rod body (4) of a traction rod (3) to be bent into a traction rod limiting pipe (2) on a device limiting block (1), bending a bending part (5) of the traction rod (3) upwards, and bypassing an arc-shaped surface (7) of a shaping block (6) on the traction rod limiting pipe (2) by the traction rod (3); 2) Bending a bending part (5) of the traction rod (3) to a state of being arranged in parallel with the rod body part (4); 3) The control part controls the extension of the telescopic rod (10) of the air cylinder (9), the telescopic rod (10) of the air cylinder (9) applies pressure on the bending part (5), and the pressure applied by the telescopic rod (10) of the air cylinder (9) pushes the bending part (5) to move towards the rod body part (4); 4) The control part controls the telescopic rod (10) of the air cylinder (9) to shrink, the bending treatment of the traction rod (3) is completed, the steps are repeated, and the traction rod can be bent in batches.
3. The medical device drawbar bending method according to claim 2, wherein: after bending the bending part (5) of the traction rod (3) to a state of being parallel to the rod body part (4), pushing the shaping block (11) to move along the track (13) to abut against the connecting part (8) of the traction rod (3), and clamping the connecting part (8) by the shaping gap part (15) between the shaping surface (14) of the shaping block (11) and the arc-shaped surface (7).
4. The medical device drawbar bending method according to claim 2, wherein: after the control part controls the telescopic rod (10) of the air cylinder (9) to shrink, the shaping block (11) is pushed to leave the connecting part (8), the traction rod (3) which is subjected to bending treatment is taken out, and the traction rod (3) is put into another traction rod for bending treatment.
CN201711112388.4A 2017-11-13 2017-11-13 Bending device and bending method for medical instrument traction rod Active CN107755483B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711112388.4A CN107755483B (en) 2017-11-13 2017-11-13 Bending device and bending method for medical instrument traction rod

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Application Number Priority Date Filing Date Title
CN201711112388.4A CN107755483B (en) 2017-11-13 2017-11-13 Bending device and bending method for medical instrument traction rod

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CN107755483A CN107755483A (en) 2018-03-06
CN107755483B true CN107755483B (en) 2024-04-05

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109013778B (en) * 2018-07-06 2019-09-27 王玲玲 A kind of medical instrument draw bar bending processing unit

Citations (7)

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Publication number Priority date Publication date Assignee Title
SU1440580A1 (en) * 1986-11-24 1988-11-30 В.П.Буцкивский Arrangement for bending u-shaped articles
JP2000140948A (en) * 1998-11-09 2000-05-23 Maezawa Kyuso Industries Co Ltd Corrugated tube bending device
CN201105298Y (en) * 2007-10-10 2008-08-27 中国海洋石油总公司 U-shaped pipe bending tool
CN101352738A (en) * 2008-09-10 2009-01-28 西部金属材料股份有限公司 Device for producing thin wall tantalum material heat exchanger U-shaped pipe
CN103861915A (en) * 2014-04-03 2014-06-18 程明琴 Pressure maintaining shaping U-shaped furnace tube bending technology using bending roller range sensor
CN203751034U (en) * 2013-12-27 2014-08-06 楚天科技股份有限公司 Compression moulding and shaping tooling of U-shaped reinforcing rib
CN207823639U (en) * 2017-11-13 2018-09-07 铜陵元一精工机械有限公司 A kind of medical instrument draw bar apparatus for bending

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1440580A1 (en) * 1986-11-24 1988-11-30 В.П.Буцкивский Arrangement for bending u-shaped articles
JP2000140948A (en) * 1998-11-09 2000-05-23 Maezawa Kyuso Industries Co Ltd Corrugated tube bending device
CN201105298Y (en) * 2007-10-10 2008-08-27 中国海洋石油总公司 U-shaped pipe bending tool
CN101352738A (en) * 2008-09-10 2009-01-28 西部金属材料股份有限公司 Device for producing thin wall tantalum material heat exchanger U-shaped pipe
CN203751034U (en) * 2013-12-27 2014-08-06 楚天科技股份有限公司 Compression moulding and shaping tooling of U-shaped reinforcing rib
CN103861915A (en) * 2014-04-03 2014-06-18 程明琴 Pressure maintaining shaping U-shaped furnace tube bending technology using bending roller range sensor
CN207823639U (en) * 2017-11-13 2018-09-07 铜陵元一精工机械有限公司 A kind of medical instrument draw bar apparatus for bending

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