CN113732752A - Positioning fixture for pipe bending - Google Patents
Positioning fixture for pipe bending Download PDFInfo
- Publication number
- CN113732752A CN113732752A CN202111054463.2A CN202111054463A CN113732752A CN 113732752 A CN113732752 A CN 113732752A CN 202111054463 A CN202111054463 A CN 202111054463A CN 113732752 A CN113732752 A CN 113732752A
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- Prior art keywords
- positioning
- bent pipe
- groove
- push rod
- hinged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to a positioning fixture, in particular to a positioning fixture for machining a bent pipe. A positioning clamp for machining a bent pipe comprises a bottom plate, wherein a vertical plate and a support are fixed on the bottom plate, the support and the vertical plate are arranged at intervals, the support is hinged to the middle of a lever, one end of the lever is hinged to a pressure head, and the pressure head is used for being matched with one end of a bent pipe workpiece; the riser is equipped with to support open-ended recess, the recess is used for cooperating with the other end of return bend work piece, the recess side is equipped with two at least clamping mechanism who is used for pressing from both sides tight return bend work piece, clamping mechanism with be equipped with between the support and carry out the circumference positioning mechanism of circumference location to the return bend work piece. The invention has the advantages of pre-positioning the bent pipe and avoiding repeated disassembly and assembly of the bent pipe to adjust the position of the bent pipe.
Description
Technical Field
The invention relates to a positioning fixture, in particular to a positioning fixture for machining a bent pipe.
Background
In daily production life, the elbow is often used for conveying liquid or gas, so the sealing requirement is high. Each time of machining requires that the positions of bent pipe workpieces are consistent, otherwise, uncontrollable factors can be generated at the butt joint position after the machined bent pipe is in butt joint with other pipelines, and therefore the sealing performance of the joint position is difficult to guarantee.
The chinese national intellectual property office discloses a utility model patent that publication number is CN204135753U, and this patent discloses a processing return bend terminal surface anchor clamps, including angle bar, a pair of fixed connection first parallels on the angle bar, a pair of fixed connection second parallels and a pair of clamp plate on the angle bar, a pair of first parallels and a pair of second parallels evenly distributed on same circumference, and a pair of first parallels level sets up, the vertical setting of a pair of second parallels, a pair of clamp plate sets up in the outside of first parallels, and a pair of clamp plate all through clamp bolt connection on the angle bar.
The above-mentioned technical method has the following problems: during the use, at first need contact the one end and the second parallels of return bend, then carry out accurate location to the return bend through the locating pin, need dismouting return bend in order to adjust the return bend position repeatedly at this in-process, the availability factor is low.
Disclosure of Invention
The invention provides a positioning fixture for elbow processing, which can pre-position an elbow to avoid repeatedly disassembling and assembling the elbow to adjust the position of the elbow.
Aiming at the purposes, the invention adopts the following scheme: a positioning clamp for machining a bent pipe comprises a bottom plate, wherein a vertical plate and a support are fixed on the bottom plate, the support and the vertical plate are arranged at intervals, the support is hinged to the middle of a lever, one end of the lever is hinged to a pressure head, and the pressure head is used for being matched with one end of a bent pipe workpiece; the riser is equipped with to support open-ended recess, the recess is used for cooperating with the other end of return bend work piece, the recess side is equipped with two at least clamping mechanism who is used for pressing from both sides tight return bend work piece, clamping mechanism with be equipped with between the support and carry out the circumference positioning mechanism of circumference location to the return bend work piece.
When in use, the bent pipe workpiece is placed in the groove; then, by operating the lever, the pressure head moves upwards under the action of the lever and performs pre-positioning and fixing on the bent pipe; then, rotating the bent pipe workpiece, and fixing the bent pipe workpiece through a circumferential positioning mechanism; and finally, fixing the bent pipe workpiece through a clamping mechanism to avoid circumferential rotation of the bent pipe workpiece.
According to the invention, the elbow workpiece is pre-positioned through the pressure head, and the elbow workpiece can be circumferentially rotated for circumferential positioning under the action of the circumferential positioning mechanism, so that the problem that the clamping mechanism is repeatedly disassembled and assembled for adjusting the position of the elbow workpiece is solved, and the efficiency of positioning the elbow workpiece is improved. The force application direction to the bent pipe is changed through the lever, and the use is more convenient.
Preferably, the pressure head comprises a push rod, the support is fixed with a sliding sleeve, the push rod is slidably matched in the sliding sleeve, one end of the push rod is hinged with the lever, and the other end of the push rod is fixed with a vibration avoiding mechanism. The push rod with the stationary blade is articulated to make the push rod can be along the axial rectilinear movement of push rod, and the sliding sleeve plays the guide effect to the push rod, is convenient for keep away the mechanism that shakes and aims at the return bend work piece and carry out prepositioning to the return bend work piece, and it is more convenient to use.
As preferred, keep away the mechanism that shakes includes the connecting piece, the connecting piece is equipped with to recess open-ended sphere groove, the central screw-thread fit in sphere groove has the mounting, the mounting outside is equipped with the protruding arch to circumference outside, protruding with be equipped with between the connecting piece with sphere groove complex sphere piece, the circumference outside of sphere piece be equipped with return bend work piece complex extension, the extension with there is the clearance between the connecting piece, sphere piece center is equipped with the hole of stepping down, the internal diameter in hole of stepping down is greater than the external diameter of mounting, protruding with be equipped with between the sphere piece and avoid the foreign matter to get into the anti-scrap lid in hole of stepping down. Through the cooperation of spherical groove and spherical piece for the terminal surface of extension can keep parallel with the terminal surface of return bend work piece voluntarily, avoids the extension to have the clearance with the terminal surface of return bend. The fixing piece is used for fixing the positions of the connecting piece and the spherical piece, and the spherical piece is prevented from being separated from the connecting piece. When the elbow is processed, processing chips and dust exist in the elbow. Be equipped with between mounting and the spherical piece and prevent that the bits lid, the foreign matter of avoiding return bend work piece inside gets into the hole of stepping down in order to influence the cooperation of spherical groove and spherical piece to avoid the extension to have the clearance with the terminal surface of return bend. The inner diameter of the abdicating hole is larger than the outer diameter of the fixing piece, so that the spherical sheet can roll with the spherical groove.
Preferably, a locking mechanism for limiting the axial movement of the push rod is provided on the circumferential outer side of the push rod. The locking mechanism prevents the push rod from moving linearly along the axial direction of the push rod, so that the vibration avoiding mechanism is prevented from being separated from the bent pipe workpiece, hands of workers are liberated, and the workers can conveniently perform circumferential positioning on the bent pipe workpiece.
Preferably, the locking mechanism includes two coaxial pipes that set up, the outer wall of pipe be equipped with the locking groove that the push rod shape matches, the cooperation has the locking lever in the pipe, the locking lever passes one behind the pipe with another pipe screw-thread fit, the one end that the pipe was kept away from to the locking lever is fixed with the handle. The push rod is clamped through the two circular tubes, the reset of the push rod is avoided, the lever does not need to be stressed all the time, and the use is more convenient.
Preferably, the circumferential positioning mechanism comprises a positioning block, the positioning block is fixed to the vertical plate, the positioning block is in sliding fit or in threaded fit with a threaded rod, and a nut is in threaded fit with the threaded rod. The end part of the threaded rod is contacted with the bent pipe workpiece to prevent the bent pipe workpiece from rotating continuously, so that the circumferential positioning of the bent pipe workpiece is realized. Thereby the nut is kept away from the threaded rod and is avoided taking place to slide between threaded rod and locating piece with the contact of locating piece contact of return bend work piece to the fixed unchangeable position of the circumference location of assurance return bend work piece. The position of the nut on the threaded rod is adjusted, so that the length of the threaded rod extending out of the nut is controlled, the position of the bent pipe workpiece is controlled when the bent pipe workpiece is in contact with the threaded rod, the circumferential positioning position of the bent pipe workpiece is adjusted, the bent pipe workpieces of different models are adapted, and the universality of the device is improved. The threaded rod is matched with the positioning block in a sliding mode, and the threaded rod directly penetrates through the positioning block, so that the installation is more convenient. The threaded rod is in threaded fit with the positioning block, the positioning block and the nut are twisted, relative rotation between the nut and the threaded rod is avoided, or the threaded rod and the nut are prevented from axially moving due to the gap between the threads, and the circumferential positioning precision of the bent pipe workpiece is improved.
Preferably, the circumferential positioning mechanism comprises a circumferential positioning driving mechanism, and the circumferential positioning driving mechanism and the threaded rod are located on two opposite sides of the groove. The circumferential positioning driving mechanism is designed to be foolproof, rotates the bent pipe workpiece and ensures that the end part of the threaded rod is contacted with the bent pipe workpiece, so that the circumferential positioning position of the bent pipe workpiece is fixed.
Preferably, the clamping mechanism comprises a pressure plate, and the pressure plate is connected with an output end of the clamping driving mechanism. The clamping driving mechanism drives the press plate to be close to or far away from the bottom of the groove, so that the press plate can be mounted or dismounted, and the bent pipe is prevented from moving in the circumferential direction and being separated from the groove.
Preferably, the clamping mechanism further comprises a fixed seat, the fixed seat is fixed to the vertical plate, the fixed seat is connected with two connecting pieces which are arranged in parallel, each connecting piece is in a strip shape, one end of each connecting piece is hinged to the fixed seat, the other end of each connecting piece is hinged to the middle of the corresponding pressing plate, and one end of each pressing plate is hinged to the output end of the corresponding clamping driving mechanism. One end of the pressing plate is hinged with the clamping driving mechanism, the middle of the pressing plate is hinged with the support through the connecting piece, the pressing plate is in an upright state when not working, and one end of the bent pipe workpiece is convenient to place in the groove.
Preferably, the riser comprises a riser body and a component body, the recess being located in the component body. After long-time use, wearing and tearing can appear in the recess bottom surface, and wearing and tearing can lead to the return bend position to take place the change that the naked eye can not observe to increase the risk that inside gas or liquid leaked during the return bend work. For avoiding above-mentioned risk, the riser needs often to be changed, need pull down clamping mechanism and the circumference positioning mechanism fixed with the riser during the change, then on installing new riser again, the process is comparatively complicated. The groove is positioned on the split body, and only the split body needs to be replaced when the groove is replaced, so that the process of reinstallation of the clamping mechanism and the circumferential positioning mechanism is reduced, and the groove is more convenient to use. The components can be processed by the grinding machine, the parallelism between the bottom surfaces of the components and the bottom surface of the groove is kept within 0.02, the components can be reused, and the cost is saved.
The invention has the following advantages: the elbow workpiece is pre-positioned through the pressing head, and can be circumferentially rotated for circumferential positioning under the action of the circumferential positioning mechanism, so that the problem that the clamping mechanism is repeatedly disassembled and assembled for adjusting the position of the elbow workpiece is solved, and the efficiency of positioning the elbow workpiece is improved; the force application direction to the bent pipe is changed through the lever, so that the use is more convenient; the push rod is hinged with the fixed plate, so that the push rod can linearly move along the axial direction of the push rod, the sliding sleeve plays a role in guiding the push rod, the vibration-preventing mechanism is convenient to align the bent pipe workpiece and pre-position the bent pipe workpiece, and the use is more convenient; the spherical groove is matched with the spherical sheet, so that the end face of the extension part can be automatically kept parallel to the end face of the bent pipe workpiece, and a gap between the extension part and the end face of the bent pipe is avoided; the fixing piece is used for fixing the positions of the connecting piece and the spherical piece and avoiding the spherical piece and the connecting piece from being separated from each other; when the bent pipe is processed, processing chips and dust exist in the bent pipe; a chip-preventing cover is arranged between the fixing piece and the spherical sheet, so that foreign matters in the bent pipe workpiece are prevented from entering the abdicating hole to influence the matching of the spherical groove and the spherical sheet, and a gap is prevented from being formed between the extending part and the end face of the bent pipe; the inner diameter of the abdicating hole is larger than the outer diameter of the fixing piece, so that the spherical sheet can roll with the spherical groove; the locking mechanism prevents the push rod from moving linearly along the axial direction of the push rod, so that the vibration avoiding mechanism is prevented from being separated from the bent pipe workpiece, the hands of workers are liberated, and the workers can conveniently circumferentially position the bent pipe workpiece; the push rod is clamped through the two circular tubes, so that the reset of the push rod is avoided, the lever does not need to be stressed all the time, and the use is more convenient; the end part of the threaded rod is contacted with the bent pipe workpiece to prevent the bent pipe workpiece from continuously rotating, so that the circumferential positioning of the bent pipe workpiece is realized; the surface of the nut, which is far away from the contact of the threaded rod and the bent pipe workpiece, is in contact with the positioning block, so that the threaded rod and the positioning block are prevented from sliding, and the circumferential positioning position of the bent pipe workpiece is ensured to be fixed; the length of the threaded rod extending out of the nut is controlled by adjusting the position of the nut on the threaded rod, so that the position of the bent pipe workpiece when the bent pipe workpiece is contacted with the threaded rod is controlled, the circumferential positioning position of the bent pipe workpiece is adjusted, the bent pipe workpiece is suitable for bent pipe workpieces of different models, and the universality of the device is improved; the circumferential positioning driving mechanism is designed to be foolproof, rotates the bent pipe workpiece and ensures that the end part of the threaded rod is contacted with the bent pipe workpiece so as to realize that the circumferential positioning position of the bent pipe workpiece is fixed; the clamping driving mechanism drives the press plate to be close to or far away from the bottom of the groove so as to realize the installation or the disassembly of the bent pipe by the press plate and avoid the circumferential movement of the bent pipe and the separation of the bent pipe from the groove; one end of the pressing plate is hinged with the clamping driving mechanism, the middle part of the pressing plate is hinged with the bracket through the connecting sheet, and the pressing plate is in an upright state when not working, so that one end of the bent pipe workpiece is conveniently placed in the groove; the groove is positioned on the split body, and only the split body needs to be replaced when the groove is replaced, so that the process of reinstallation of the clamping mechanism and the circumferential positioning mechanism is reduced, and the groove is more convenient to use. The components can be processed by the grinding machine, the parallelism between the bottom surfaces of the components and the bottom surface of the groove is kept within 0.02, the components can be reused, and the cost is saved.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a schematic structural diagram of the vibration isolation mechanism of the present invention;
FIG. 4 is a schematic structural view of the locking mechanism of the present invention;
FIG. 5 is a perspective view of the circumferential positioning mechanism of the present invention;
fig. 6 is a perspective view of the clamping mechanism of the present invention.
Description of reference numerals: a base plate 1; a vertical plate 2; a vertical plate body 21; the component bodies 22; a bracket 31; a lever 32; a ram 33; a push rod 34; a sliding sleeve 35; a groove 4; a clamping mechanism 5; a pressure plate 51; the clamp driving mechanism 52; a fixed base 53; a connecting piece 54; a circumferential positioning mechanism 6; a positioning block 61; a threaded rod 62; a nut 63; a circumferential positioning drive mechanism 64; a pipe bending workpiece 7; a vibration isolation mechanism 8; a connecting member 81; a spherical groove 82; a fixing member 83; a projection 84; a spherical piece 85; an extension 86; a relief hole 87; a chip-resistant cover 88; a lock mechanism 9; a circular tube 91; a lock groove 92; a lock lever 93; a handle 94.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a positioning fixture for pipe bending comprises a base plate 1, wherein a vertical plate 2 and a support 31 are fixed on the base plate 1, the support 31 and the vertical plate 2 are arranged at intervals, the support 31 is hinged with the middle part of a lever 32, one end of the lever 32 is hinged with a pressure head 33, and the pressure head is used for being matched with one end of a pipe bending workpiece; the vertical plate 2 is provided with a groove 4 which is opened towards the support 31, the groove 4 is used for being matched with the other end of the elbow workpiece, the side surface of the groove 4 is provided with at least two clamping mechanisms 5 which are used for clamping the elbow workpiece 7, and a circumferential positioning mechanism 6 which is used for circumferentially positioning the elbow workpiece 7 is arranged between the clamping mechanisms 5 and the support 31.
As shown in fig. 2, the pressing head 33 includes a push rod 34, the bracket 31 is fixed with a sliding sleeve 35, the push rod 34 is slidably fitted in the sliding sleeve 35, one end of the push rod 34 is hinged to the lever 32, and the other end of the push rod 34 is fixed with the vibration-damping mechanism 8. A locking mechanism 9 for restricting axial movement of the push rod 34 is provided on the circumferential outer side of the push rod 34. The riser 2 comprises a riser body 21 and a component body 22, the recess 4 being located in the component body 22.
As shown in fig. 3, the vibration isolation mechanism 8 includes a connecting member 81, the connecting member 81 is provided with a spherical groove 82 opening to the groove 4, a fixing member 83 is screwed into the center of the spherical groove 82, a protrusion 84 protruding outward in the circumferential direction is provided outside the fixing member 83, a spherical piece 85 matching with the spherical groove 82 is provided between the protrusion 84 and the connecting member 81, an extending portion 86 matching with the bent pipe workpiece 7 is provided on the outer side in the circumferential direction of the spherical piece 85, a gap is provided between the extending portion 86 and the connecting member 81, a recess hole 87 is provided in the center of the spherical piece 85, the inner diameter of the recess hole 87 is larger than the outer diameter of the fixing member 83, and a chip-proof cover 88 preventing foreign matters from entering the recess hole 87 is provided between the protrusion 84 and the spherical piece 85.
As shown in fig. 4, the locking mechanism 9 includes two coaxially disposed circular tubes 91, a locking groove 92 is disposed on an outer wall of the circular tube 91, the locking groove is matched with the push rod 34, a locking rod 93 is engaged in the circular tube 91, the locking rod 93 is engaged with the other circular tube 91 after passing through one circular tube 91, and a handle 94 is fixed at an end of the locking rod 93 away from the circular tube 91.
As shown in fig. 5, the circumferential positioning mechanism 6 includes a positioning block 61, the positioning block 61 is fixed to the vertical plate 2, the positioning block 61 is screwed with a threaded rod 62, and the threaded rod 62 is screwed with a nut 63. The circumferential positioning mechanism 6 includes a circumferential positioning drive mechanism 64, and the circumferential positioning drive mechanism 64 and the threaded rod 62 are located on opposite sides of the groove 4. The threaded rod 62 forms an included angle with the horizontal plane to facilitate engagement with the bent pipe workpiece 7.
As shown in fig. 6, the clamping mechanism 5 includes a pressure plate 51, and an output end of a clamping drive mechanism 52 is connected to the pressure plate 51. The clamping mechanism 5 further comprises a fixed seat 53, the fixed seat 53 is fixed with the vertical plate 2, the fixed seat 53 is connected with two connecting pieces 54 which are arranged in parallel, each connecting piece 54 is in a strip shape, one end of each connecting piece 54 is hinged to the fixed seat 53, the other end of each connecting piece 54 is hinged to the middle of the corresponding pressing plate 51, and one end of each pressing plate 51 is hinged to the output end of the corresponding clamping driving mechanism 52. The surface of the pressure plate 51 away from the pressure plate 51 and the clamping driving mechanism 52 is a cambered surface. The cambered surfaces help increase the contact area of the pressure plate 51 with the bent pipe workpiece 7.
When in use, the bent pipe workpiece is placed in the groove; then, by operating the lever, the pressure head moves upwards under the action of the lever and performs pre-positioning and fixing on the bent pipe; then, rotating the bent pipe workpiece, wherein the bent pipe workpiece is contacted with the end part of the threaded rod; then starting a circumferential positioning driving mechanism, wherein the output end of the circumferential positioning driving mechanism pushes the bent pipe workpiece to make the bent pipe workpiece contact with the end part of the threaded rod; upon activation of the clamp drive mechanism, the platen rotates so that the end of the platen compresses the bent tube workpiece into the groove.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The positioning fixture for machining the bent pipe is characterized by comprising a base plate (1), wherein a vertical plate (2) and a support (31) are fixed on the base plate (1), the support (31) and the vertical plate (2) are arranged at intervals, the support (31) is hinged to the middle of a lever (32), one end of the lever (32) is hinged to a pressure head (33), and the pressure head (33) is used for being matched with one end of a bent pipe workpiece (7); riser (2) be equipped with to support (31) open-ended recess (4), recess (4) are used for cooperating with the other end of return bend work piece (7), recess (4) side is equipped with two at least clamping mechanism (5) that are used for pressing from both sides tight return bend work piece (7), clamping mechanism (5) with be equipped with between support (31) and carry out circumference positioning mechanism (6) that circumference was fixed a position to return bend work piece (7).
2. The positioning fixture for pipe bending according to claim 1, wherein the pressing head (33) comprises a push rod (34), the bracket (31) is fixed with a sliding sleeve (35), the push rod (34) is slidably fitted in the sliding sleeve (35), one end of the push rod (34) is hinged to the lever (32), and the other end of the push rod (34) is fixed with a vibration-avoiding mechanism (8).
3. The positioning fixture for pipe bending according to claim 2, wherein the vibration-proof mechanism (8) comprises a connecting member (81), the connecting member (81) is provided with a spherical groove (82) opening to the groove (4), a fixing member (83) is in threaded fit with the center of the spherical groove (82), a protrusion (84) protruding towards the circumferential outer side is arranged outside the fixing member (83), a spherical piece (85) matched with the spherical groove (82) is arranged between the protrusion (84) and the connecting member (81), an extending portion (86) matched with the bent pipe workpiece (7) is arranged on the circumferential outer side of the spherical piece (85), a gap exists between the extending portion (86) and the connecting member (81), a yielding hole (87) is arranged at the center of the spherical piece (85), and the inner diameter of the yielding hole (87) is larger than the outer diameter of the fixing member (83), and a chip-preventing cover (88) for preventing foreign matters from entering the abdicating hole (87) is arranged between the bulge (84) and the spherical sheet (85).
4. The positioning jig for pipe bending according to claim 2, characterized in that a circumferential outer side of the push rod (34) is provided with a locking mechanism (9) for restricting an axial movement of the push rod (34).
5. The positioning fixture for pipe bending according to claim 4, characterized in that the locking mechanism (9) comprises two coaxially arranged round pipes (91), the outer wall of the round pipe (91) is provided with a locking groove (92) matched with the shape of the push rod (34), the round pipe (91) is internally fitted with a locking rod (93), the locking rod (93) passes through one of the round pipe (91) and the other of the round pipe (91) in threaded fit, and one end of the locking rod (93) away from the round pipe (91) is fixed with a handle (94).
6. The positioning fixture for pipe bending according to claim 1, wherein the circumferential positioning mechanism (6) comprises a positioning block (61), the positioning block (61) is fixed with the vertical plate (2), the positioning block (61) is slidably fitted with a threaded rod (62), and the threaded rod (62) is threadedly fitted with a nut (63).
7. The positioning jig for pipe bending according to claim 5, characterized in that the circumferential positioning mechanism (6) includes a circumferential positioning drive mechanism (64), the circumferential positioning drive mechanism (64) and the threaded rod (62) being located on opposite sides of the groove (4).
8. The positioning fixture for pipe bending according to claim 1, wherein the clamping mechanism (5) comprises a pressure plate (51), and an output end of a clamping driving mechanism (52) is connected to the pressure plate (51).
9. The positioning fixture for pipe bending according to claim 7, wherein the clamping mechanism (5) further comprises a fixing seat (53), the fixing seat (53) is fixed to the vertical plate (2), the fixing seat (53) is connected with two connecting pieces (54) arranged in parallel, the connecting pieces (54) are in a strip shape, one end of each connecting piece (54) is hinged to the corresponding fixing seat (53), the other end of each connecting piece (54) is hinged to the middle of the corresponding pressing plate (51), and one end of each pressing plate (51) is hinged to the output end of the corresponding clamping driving mechanism (52).
10. The positioning jig for pipe bending according to claim 1, characterized in that the riser (2) includes a riser body (21) and a component body (22), and the groove (4) is located in the component body (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054463.2A CN113732752A (en) | 2021-09-09 | 2021-09-09 | Positioning fixture for pipe bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111054463.2A CN113732752A (en) | 2021-09-09 | 2021-09-09 | Positioning fixture for pipe bending |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732752A true CN113732752A (en) | 2021-12-03 |
Family
ID=78737428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111054463.2A Withdrawn CN113732752A (en) | 2021-09-09 | 2021-09-09 | Positioning fixture for pipe bending |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732752A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825418A (en) * | 2012-09-29 | 2012-12-19 | 南车戚墅堰机车有限公司 | Elbow welding device |
| CN104289940A (en) * | 2014-10-21 | 2015-01-21 | 江苏万盛铸造有限公司 | Fixture special for machining of end face of special bend |
| CN104308604A (en) * | 2014-10-21 | 2015-01-28 | 江苏万盛铸造有限公司 | Fixture for machining of end faces of bend |
| CN204263038U (en) * | 2014-11-19 | 2015-04-15 | 广东肇庆动力技研有限公司 | A kind of tube bending jig |
| CN106112612A (en) * | 2016-06-28 | 2016-11-16 | 宁波亚吉机电科技有限公司 | A kind of hydraulically operated fixture of quick-clamping location |
| CN106514104A (en) * | 2016-12-22 | 2017-03-22 | 佛山市景和汽配有限公司 | Welding device for automobile bent pipe |
| CN206474838U (en) * | 2016-12-23 | 2017-09-08 | 广东南海昌和模具有限公司 | Special bent pipe welder |
-
2021
- 2021-09-09 CN CN202111054463.2A patent/CN113732752A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102825418A (en) * | 2012-09-29 | 2012-12-19 | 南车戚墅堰机车有限公司 | Elbow welding device |
| CN104289940A (en) * | 2014-10-21 | 2015-01-21 | 江苏万盛铸造有限公司 | Fixture special for machining of end face of special bend |
| CN104308604A (en) * | 2014-10-21 | 2015-01-28 | 江苏万盛铸造有限公司 | Fixture for machining of end faces of bend |
| CN204263038U (en) * | 2014-11-19 | 2015-04-15 | 广东肇庆动力技研有限公司 | A kind of tube bending jig |
| CN106112612A (en) * | 2016-06-28 | 2016-11-16 | 宁波亚吉机电科技有限公司 | A kind of hydraulically operated fixture of quick-clamping location |
| CN106514104A (en) * | 2016-12-22 | 2017-03-22 | 佛山市景和汽配有限公司 | Welding device for automobile bent pipe |
| CN206474838U (en) * | 2016-12-23 | 2017-09-08 | 广东南海昌和模具有限公司 | Special bent pipe welder |
Non-Patent Citations (1)
| Title |
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| 黄小邪: "弯管液压夹具", 《HTTPS://JIAJIANJU.COM/?ID=65》 * |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211203 |
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| WW01 | Invention patent application withdrawn after publication |