CN113500229B - Bent pipe punching equipment and punching method - Google Patents
Bent pipe punching equipment and punching method Download PDFInfo
- Publication number
- CN113500229B CN113500229B CN202110875965.5A CN202110875965A CN113500229B CN 113500229 B CN113500229 B CN 113500229B CN 202110875965 A CN202110875965 A CN 202110875965A CN 113500229 B CN113500229 B CN 113500229B
- Authority
- CN
- China
- Prior art keywords
- puncher
- die holder
- turntable
- wheel die
- punching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004080 punching Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 27
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005452 bending Methods 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000008569 process Effects 0.000 abstract description 12
- 238000013459 approach Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 210000004907 gland Anatomy 0.000 description 4
- 229910002804 graphite Inorganic materials 0.000 description 4
- 239000010439 graphite Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/18—Joggling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses bent pipe punching equipment and a punching method, wherein the bent pipe punching equipment comprises a workbench, a wheel die holder, a turntable, a puncher, a driving mechanism for driving the turntable to rotate and a plurality of quick clamps for fixing pipe fittings, wherein the turntable is arranged above the workbench in a rotating way, the puncher is fixed on the turntable, the left side surface of the wheel die holder is an arc surface, the arc surface is convenient for positioning of a bent pipe, and the turntable rotates to drive the puncher to rotate around the axis of the arc surface on the left side of the wheel die holder; when punching, fixing the puncher on the turntable; then fixing the bent pipe on the front side or the rear side of the wheel die holder through a quick clamp; then driving the turntable to move the puncher to a required position; finally, the puncher is driven to open holes in the bent pipe. The puncher and the pipe fitting are positioned on the same operation plane by driving the puncher to rotate through the turntable, so that the punching process is more stable, and the consistency of the positions among the holes can be ensured by rotating the turntable for many times; the method can conveniently and rapidly realize punching on the bent pipe.
Description
Technical Field
The invention relates to the field of manual punches, in particular to a bent pipe punching device and a punching method.
Background
Currently, when a hole is formed in an elbow, marking point confirmation is usually performed on a hole to be drilled in the elbow, and then a drilling platform is taken out of the pipe fitting after marking point to perform drilling treatment. The method is time-consuming and labor-consuming, and has low working efficiency; meanwhile, a certain error exists in the manual punctuation. When punching, due to manual operation, inclined holes are often punched, and the use of the subsequent bent pipe is affected. If the pipe is punched and then bent, the position, the size and the shape of the hole can be changed under the action of the tensile force in the process of bending. Patent document with publication number of CN204686093U discloses a pipe perforating device, which belongs to the field of pipe tools. It has solved the inconvenient problem of current trompil sword use. This pipe fitting trompil device includes the fixing base, the fixing base includes left side board, right side board and roof, still include the handle of a knife, the handle of a knife tip is equipped with the tool bit, the roof has the locating hole, the handle of a knife passes the locating hole and makes the tool bit arrange in the fixing base in, the locating hole both sides still are equipped with bar hole one and bar hole two, still include bolt one and bolt two, bolt one and bolt two press from both sides tightly on bar hole one and bar hole two through with the nut spiro union, still respectively spiro union have reference column one and reference column two in bolt one and the bolt two, be connected with locating piece one and locating piece two on reference column one and the reference column two respectively, left side board and right side board spiro union have adjusting bolt respectively, and left side board and right side board have left clamp splice and right clamp splice respectively through adjusting bolt connection, left clamp splice and right clamp splice have the indent arcwall that mutually face of setting of face each other. The pipe openings mentioned in the above patent are only capable of perforating straight pipes, and for bent pipes with various directions, especially true bent pipes with various angles, perforation cannot be performed.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a pipe bending punching apparatus and a punching method that can punch holes on the side surfaces of pipe members that are bent at a plurality of places.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the pipe bending punching method comprises a workbench, a wheel die holder, a rotary table, a puncher for punching pipe fittings, a driving mechanism for driving the rotary table to rotate and a plurality of quick clamps for fixing the pipe fittings, wherein the rotary table is arranged above the workbench in a rotating way, the puncher is fixed on the rotary table, the left side surface of the wheel die holder is an arc surface, the driving mechanism drives the rotary table to drive the puncher to rotate around the axis of the arc surface on the left side of the wheel die holder, and the quick clamps can fix the pipe bending on the front side or the rear side of the wheel die holder; the punching step of the bent pipe is as follows:
step 1): fixing the puncher on the turntable;
step 2): the bent pipe is fixed on the front side or the rear side of the wheel die holder through a quick clamp;
step 3): the driving mechanism drives the turntable to move the puncher to a required position;
step 4): driving a puncher to open holes on the bent pipe;
step 5): repeating the step 3) and the step 4) until the punching is finished.
The bent pipe punching equipment applying the bent pipe punching method is characterized in that a main shaft is arranged on a workbench, a rotary table is rotatably arranged on the main shaft, a wheel die holder is detachably and fixedly arranged on the main shaft, two adjusting grooves are formed in the rotary table, the two adjusting grooves are symmetrically arranged on two sides of the main shaft, and a puncher is fixed in any one of the adjusting grooves through a first locking screw. Like this for equipment is more stable, and two accent grooves are convenient to adjust the puncher, and the convenience is subsequent with trading and maintenance.
Preferably, the adjusting groove is formed in the rotary table, the puncher comprises a mounting seat and a punching head, the punching head is arranged above the mounting seat in a sliding mode, and when the puncher is installed, the mounting seat is fixed in the adjusting groove through a first locking screw.
Preferably, the punch head is directed toward the axis of the arcuate surface of the wheel die holder. In this way, the pore diameters are always ensured,
preferably, a plurality of threaded holes are formed in the adjusting groove, and when the distance between the wheel die holder and the puncher needs to be adjusted, the puncher or the idler wheel is fixed at the threaded holes at other positions through the first locking screw. In this way, the spacing between the wheel die holder and the punch can be adjusted.
Preferably, the driving mechanism comprises a screw rod, two driving arms and two sliding blocks, one ends of the two driving arms are hinged to the bottom of the turntable, the hinge points of the two driving arms and the turntable are located on two sides of the main shaft, the other ends of the two driving arms are respectively hinged to the two sliding blocks, threads on the screw rod are divided into two sections and are mutually opposite threads, and the screw rod rotates to drive the two sliding blocks to be close to each other or to be far away from each other. Therefore, the rotating angle of the turntable can be accurately controlled through the screw rod, and the hole distance between every two holes is ensured.
Preferably, both drive arms are curved arms. In this way, the rotation range of the turntable can be increased.
Preferably, the two transmission arms are respectively arranged below the two adjusting grooves in a hinged manner with the turntable. In this way, the stability of the device is improved.
Preferably, the workbench is fixedly arranged on the main shaft, the turntable is rotatably arranged on the main shaft, and the distances between the two transmission arms and the turntable are the same. In this way, the stability of the device is improved.
Preferably, the workbench is fixedly provided with an index plate with an angle mark, the index plate is arc-shaped, and the turntable is positioned at the inner side of the index plate. By the arrangement, the current bent pipe angle can be determined more intuitively, the included angle between holes of the pipe fitting is determined, and the hole position accuracy is guaranteed.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the curved surface of the left seat of the wheel die is convenient to be matched with the curved section of the bent pipe, and the bent pipe can be more quickly fixed through a plurality of quick clamps; the puncher and the pipe fitting are positioned on the same operation plane by driving the puncher to rotate through the turntable, so that the punching process is more stable, and the consistency of the positions among the holes can be ensured by rotating the turntable for many times; the method can conveniently and rapidly realize punching on the bent pipe.
Drawings
FIG. 1 is a schematic illustration of a first process for bending a tube;
FIG. 2 is a second schematic illustration of a process of bending a tube;
FIG. 3 is a schematic diagram III of a process of bending a pipe;
FIG. 4 is a schematic diagram of a process of bending a tube;
FIG. 5 is a schematic view of the structure with the drive mechanism removed;
FIG. 6 is a cross-sectional view taken at A-A of FIG. 5;
FIG. 7 is a schematic diagram of the connection of the wheel mold base, turntable and rollers;
FIG. 8 is a schematic view of the structure with the wheel mold base and rollers removed;
FIG. 9 is a schematic diagram of a driving mechanism;
FIG. 10 is a schematic view of a tube structure after bending;
FIG. 11 is a schematic view of a wheel die holder;
FIG. 12 is a schematic diagram of a first bend punching process;
FIG. 13 is a second schematic diagram of the elbow punching process;
fig. 14 is a schematic structural view of the hole puncher.
Reference numerals: 1. a work table; 11. a work panel; 12. a support frame; 2. a driving mechanism; 21. a first bearing seat; 22. a second bearing seat; 23. a screw rod; 24. a handle; 25. a feed nut; 251. a linear bearing; 26. a slide block; 27. a guide rod; 28. a transmission arm; 281. a first hinge shaft; 282. a second hinge shaft; 29. a graphite copper sleeve; 3. a turntable; 31. an adjustment tank; 311. a threaded hole; 32. an adjusting plate; 321. a limiting hole; 33. a roller shaft; 34. a third locking screw; 35. an index plate; 36. a gland; 4. wheel mold base; 41. a first molding groove; 42. a fixing groove; 43. a mounting part; 44. a second positioning hole; 5. a roller; 6. A quick clamp; 7. a puncher; 71. a mounting base; 72. a first hinge plate; 73. a guide plate; 74. a second hinge plate; 75. an operation lever; 76. a third hinge plate; 77. a connecting piece; 78. a chuck; 79. a punching head; 8. a main shaft; 81. a connecting key; 82. a first lock nut; 83. a second lock nut; 84. a third lock nut; 85. a bearing clamp ring; 86. a first bearing; 87. a second bearing; 88. a second locking screw; 10. a pipe fitting; 101. a first straight line segment; 102. a first curved section; 103. a second straight line segment; 104. a second curved section; 105. a third straight line segment; 106. a third curved section; 107. and a fourth straight line segment.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Example 1
The multi-direction multi-angle pipe bending forming equipment comprises a workbench 1, rollers 5, a wheel die holder 4, a rotary table 3, a driving mechanism 2 for driving the rotary table 3 to rotate and a plurality of quick clamps 6 for clamping a pipe 10, wherein the pipe 10 is fixed on the front side or the rear side of the arc-shaped end of the wheel die holder 4 through the quick clamps 6, the rotary table 3 is rotatably arranged above the workbench 1, the wheel die holder 4 is fixedly arranged above the workbench 1, the wheel die holder 4 is arranged above the rotary table 3, the rollers 5 are rotatably arranged above the rotary table 3, and the rotary table 3 drives the rollers 5 to rotate around the axis of the arc-shaped end of the wheel die holder 4. The workbench 1 comprises a working panel 11 and a supporting frame 12, wherein the supporting frame 12 is fixedly connected to the bottom of the working panel 11.
As shown in fig. 11, the left end of the wheel die holder 4 is a semicircular arc surface, a first forming groove 41 recessed inwards is arranged on the arc surface on the left side of the wheel die holder 4, and a notch of the cross section of the first forming groove 41 is arc-shaped; the front side surface and the rear side surface of the wheel die holder 4 are respectively provided with a fixed groove 42 formed by inwards sinking, the section gaps of the two fixed grooves 42 are arc-shaped, the section gaps of the first forming groove 41 and the section gaps of the fixed grooves 42 are the same, the two fixed grooves 42 extend in the left and right directions and penetrate through the wheel die holder 4, and the two fixed grooves 42 are respectively communicated with the front end and the rear end of the first forming groove 41; the front end face and the rear end face of the wheel die holder 4 are both provided with mounting portions 43 in a protruding mode, the mounting portions are located above the fixing grooves 42, and the plurality of quick members 6 are symmetrically and fixedly mounted on the tops of the two mounting portions 43 respectively. The outer circumferential surface of the roller 5 is provided with a second forming groove which is concave inwards, and the section gap of the second forming groove is the same as the section gap of the first forming groove 41.
Before the pipe is bent, the pipe 10 is inserted between the wheel die holder 4 and the roller 5, after the bending position of the pipe 10 is determined, the pipe 10 is fixed at the fixing groove 42 of the wheel die holder 4 through the quick clamp 6. The structure of the quick clamp 6 can be referred to in patent documents such as a quick clamp head with publication number of CN204843937U and an adjustable quick clamp with publication number of CN 104625996A. In the embodiment, the quick clamp 6 comprises a clamping seat, a pressing handle, a connecting plate, a pressing plate and a pressing head, wherein the clamping seat is fixed at the top of the installation part, the pressing handle is hinged on the clamping seat, the pressing plate is hinged at one end of the pressing handle, two ends of the connecting plate are respectively hinged with the pressing handle and the pressing plate, and the pressing head is fixed on the pressing plate; when the pipe fitting 10 is fixed, the pressing handle is pressed down so that the pressing plate drives the pressing head to press the pipe fitting 10 between the wheel die holder 4 and the pressing head, and meanwhile, the angle of the pressing plate is locked by the connecting plate; after the forming, the pressing handle is reversely lifted, so that the pressing plate and the pressing head are driven to act, and the pipe fitting 10 is released.
In this embodiment, as shown in fig. 5-8, the apparatus further includes a spindle 8, the bottom of the spindle 8 is fixedly mounted on the working panel 11, the turntable 3 is rotatably mounted on the spindle 8, the turntable 3 coincides with the axis of the spindle 8, the spindle 8 is coaxial with the circular arc surface on the left side of the wheel mold base 4, the wheel mold base 4 is fixedly mounted on the spindle 8, and the turntable 3 is located below the wheel mold base 4. The main shaft 8 is a step shaft, the diameter of the middle part of the main shaft 8 is larger than that of the upper end and the lower end, the main shaft 8 is provided with three shaft shoulders, connecting keys 81 are fixedly connected to the sections on the upper side and the lower side of the main shaft 8, and a first positioning hole in a convex shape is formed in the working panel 11; when the main shaft 8 is fixed, the bottom section of the main shaft 8 is inserted into and passes through the first positioning hole, the connecting key 81 positioned at the lower side is inserted into the first positioning hole, the shaft shoulder positioned at the lower side of the main shaft 8 is abutted against the top of the working panel 11, and the main shaft 8 is fixed on the working panel 11 through the first locking nut 82; the first lock nut 82 is in threaded connection with the main shaft 8, and the first lock nut 82 is screwed from bottom to top to fix the main shaft 8 on the working panel 11. And the rotary disk 3 is rotatably installed: the turntable 3 is rotationally connected with the main shaft 8 through a first bearing 86, the first bearing 86 is arranged at a shaft shoulder of the main shaft 8 in the middle, the shaft shoulder of the main shaft 8 is propped against the bottom of an inner ring of the first bearing 86, a bearing compression ring 85 is sleeved on the main shaft 8, a third lock nut 84 is connected onto the main shaft 8 in a threaded manner, the bearing compression ring 85 is positioned between the turntable 3 and the third lock nut 84, and the bearing compression ring 85 is used for limiting axial movement of the turntable 3.
The fixed mounting of the wheel die holder 4: the wheel die holder 4 is provided with a second positioning hole 44, the second positioning hole 44 comprises a through hole and a key groove, the through hole penetrates through the wheel die holder 4, the key groove is formed in the bottom of the wheel die holder 4 and communicated with the through hole, and the top section of the main shaft 8 is in threaded connection with a second locking nut 83; the wheel die holder 4 is fixedly arranged on the main shaft 8 through a second lock nut 83 and a connecting key 81, when the wheel die holder 4 is arranged, the wheel die holder 4 is arranged on the main shaft 8 from bottom to top, the main shaft 8 passes through a through hole of the second positioning hole 44, the connecting key 81 fixed on the upper section of the main shaft 8 is inserted into a key slot of the second positioning hole 44 from bottom to top, and a shaft shoulder on the upper side of the main shaft 8 is used for supporting the wheel die holder 4; the top section of the main shaft 8 is provided with a second lock nut 83, the second lock nut 83 is in threaded connection with the main shaft 8, and the second lock nut 83 is located on the upper side of the wheel die holder 4, so that the wheel die holder 4 is fixed on the main shaft 8 through the second lock nut 83. Through the structure of the nut, the connecting key 81 and the like, the disassembly and the maintenance of the equipment and the replacement of parts are convenient; the method of replacing the wheel die holder 4 is suitable for processing pipe fittings 10 with various specifications. The axis of the main shaft 8 and the axis of the circular arc surface at the left end of the wheel holder 4 overlap. The bottom of the wheel die holder 4 is provided with a key slot, the key slot is communicated with the second positioning hole 44, the section with the connecting key 81 at the upper side of the main shaft 8 is inserted into and passes through the second positioning hole 44, the connecting key 81 at the upper side is inserted into the key slot, and the top of the connecting key 81 is abutted against the top of the key slot, so that the wheel die holder 4 is supported on the main shaft 8 and the main shaft 8 is limited to rotate; the top of the main shaft 8 is connected with a second lock nut 83 in a threaded manner, and the top of the wheel die holder 4 is pressed by rotating the second lock nut 83, so that the wheel die holder 4 is fixed on the main shaft 8. So arranged, the radial movement of the wheel die holder 4 is limited by the main shaft 8, the axial movement of the wheel die holder 4 is limited by the connecting key 81 and the second locking nut 83, and the rotation of the wheel die holder 4 is limited by the connecting piece; meanwhile, through the structures of the nut, the connecting key 81 and the like, the disassembly and the maintenance of the equipment and the replacement of parts are convenient; the method of replacing the wheel die holder 4 is suitable for processing pipe fittings 10 with various calibers. The wheel die holder 4 is fixedly arranged on the main shaft 8, and the axis of the main shaft 8 is coincident with the axis of the circular arc surface on the left side of the wheel die holder 4. The equipment structure is simplified by the arrangement, so that the equipment is installed and is more convenient to process.
In this embodiment, two adjusting grooves 31 are formed at the top of the turntable 3, the two adjusting grooves 31 are symmetrically arranged, the device further comprises an adjusting plate 32, and the adjusting plate 32 is fixed in any one of the adjusting grooves 31 through a first locking screw; the bottom surfaces of the two adjusting grooves 31 are provided with a plurality of threaded holes 311 matched with the first locking screws, so that the distance between the adjusting plate 32 and the wheel die holder 4 can be adjusted in a large range by connecting the first locking screws with the threaded holes 311 at different positions; the adjusting plate 32 is provided with a limiting hole 321, the limiting hole 321 is a step hole, the limiting hole 321 penetrates through the adjusting plate 32 from top to bottom, a threaded part of the first locking screw penetrates through the limiting hole 321 to be connected with a threaded hole 311 on the turntable 3, and when the adjusting plate is locked, only the head part of the first locking screw is required to be abutted against the step surface of the limiting hole 321, so that the position of the adjusting plate 32 is fixed; before the adjusting plate 32 is thoroughly fixed, the adjusting plate 32 can be moved in a small range, so that the distance between the wheel die holder 4 and the adjusting plate 32 is more accurate; the range of movement of the adjustment plate 32 is approximately the length of the limiting aperture 321; further, there are two limiting holes 321, the adjusting plate 32 is fixed on the turntable 3 through two first locking screws, and the roller shaft 33 is located between the two limiting holes 321. The roller 5 is installed: the roller 5 is rotatably arranged on a roller shaft 33, and the roller shaft 33 is fixed on the adjusting plate 32 through a second locking screw 88; the adjusting plate 32 is provided with a countersunk hole, the countersunk hole penetrates through the adjusting plate 32 from bottom to top, and the second locking screw 88 penetrates through the countersunk hole from bottom to top and is in threaded connection with the roller shaft 33; the roller shaft 33 is a step shaft, the diameter of the bottom of the roller shaft 33 is larger, the roller 5 is rotatably mounted on the roller shaft 33 through two second bearings 87, the two second bearings 87 are arranged in the vertical direction, the inner ring of the second bearing 87 positioned at the lower side is abutted against the shaft shoulder of the roller shaft 33, the top of the roller shaft 33 is in threaded connection with a third locking screw 34, a gland 36 is sleeved on the threaded section of the third locking screw 34, the gland 36 is abutted against the inner ring of the second bearing 87 positioned at the upper side, the third locking screw 34 is screwed, and when the third locking screw 34 is screwed, the head of the third locking screw 34 is abutted against the gland, so that the roller 5 is mounted on the roller shaft 33.
In this embodiment, as shown in fig. 9, the driving mechanism 2 includes a screw 23, two transmission arms 28, and two sliders 26; the lead screw 23 is a positive and negative tooth lead screw, the lead screw 23 rotates and sets up in work panel 11 top, and the lead screw 23 is used for driving two sliders 26 left and right directions to remove, but the direction of movement of two sliders 26 is opposite, and the same end of two drive arms 28 articulates respectively at the top of two sliders 26 through two second articulated shafts 282, and the other end of two drive arms 28 articulates in the bottom of carousel 3 through two first articulated shafts 281, and two first articulated shafts 281 are located the adjustment tank 31 below respectively with carousel 3 articulated position, and the distance between two first articulated shafts 281 and the main shaft 8 is the same. The device further comprises a first bearing seat 21, a second bearing seat 22, two feed nuts 25, two guide rods and two linear bearings; the first bearing seat 21 and the second bearing seat 22 are fixedly arranged on the top end surface of the working panel 11, the first bearing seat 21 is positioned on the left side of the second bearing seat 22, graphite copper sleeves 29 are arranged on the first bearing seat 21 and the second bearing seat 22, a lead screw 23 is rotatably arranged on the first bearing seat 21 and the second bearing seat 22 through two graphite, two graphite copper sleeves 29 are respectively arranged on the first bearing seat 21 and the second bearing seat 22, the lead screw 23 extends rightward to pass through the second bearing seat 22, and a handle 24 is fixedly arranged at the right end of the lead screw 23; the thread section of the screw rod 23 is positioned between the first bearing seat 21 and the second bearing seat 22, the thread on the screw rod 23 is divided into two sections, and the two sections of threads are mutually opposite threads; the two feed nuts 25 are respectively arranged on the two sections of threads of the screw rod 23, so that the two feed nuts 25 are arranged in the left-right direction; the two guide rods 27 are respectively arranged on the front side and the rear side of the screw rod 23, the right end of the guide rod 27 positioned at the rear side is fixed on the feed nut 25 positioned at the right side, the guide rod 27 positioned at the rear side extends leftwards to penetrate through the feed nut 25 positioned at the left side, the guide rod 27 positioned at the rear side is in sliding connection with the feed nut positioned at the left side through one of the linear bearings 251, the left end of the guide rod 27 positioned at the front side is fixedly connected with the feed nut 25 positioned at the left side, the guide rod 27 positioned at the front side extends rightwards to penetrate through the feed nut 25 positioned at the right side, and the guide rod 27 positioned at the front side is in sliding connection with the feed nut 25 positioned at the right side through the other linear bearing 251. Two slide blocks 26 are located between the two feed nuts 25, and the two slide blocks 26 are fixed to two guide bars 27, respectively. Further, both the driving arms 28 are bent arms, so that the rotation angle of the turntable 3 can be increased. When the turntable 3 is driven to rotate: the hand handle 24 drives the screw rod 23 to rotate, the screw rod 23 rotates to drive the two feed nuts 25 to approach or separate from each other, the two feed nuts 25 respectively drive the two sliding blocks 26 to move with the guide rod 27, the two sliding blocks 26 drive the two transmission arms 28 to act, and the two transmission arms 28 drive the turntable 3 to rotate through the first hinging rod 281; when the two feed nuts 25 are brought close to each other, the apparatus is viewed from above, and the turntable 3 rotates forward; when the two feed nuts 25 are distanced from each other, the apparatus is viewed from the top, and the turntable 3 is reversed.
In this embodiment, the rotary table further comprises an index plate 35 with angle marks, the index plate 35 is arc-shaped, and the rotary table 3 is positioned on the inner side of the index plate 35. The dividing disc 35 is equal in height to the rotary disc 3.
In daily life work, bent pipes with multiple directions and multiple bending angles are frequently seen, and a plurality of planes are occasionally parallel to each other between planes where the bent pipes are bent, but a certain included angle is formed between most of the planes. In the present embodiment, as shown in fig. 10, the pipe 10 after bending includes a first straight line segment 101, a second straight line segment 103, a third straight line segment 105, and a fourth straight line segment 107; the first straight line segment 101 is vertically erected, the bottom of the first straight line segment 101 is connected with the second straight line segment 103 through a first bending segment 102, the second straight line segment 103 points to the right, the other end of the second straight line segment 103 is connected with a third straight line 105 segment through a second bending segment 104, the third straight line 105 segment points to the right front, the other end of the third straight line 105 segment is connected with a fourth straight line segment 107 through a third bending segment 106, and the fourth straight line segment 107 points to the right; wherein the same plane where the central lines of the first straight line segment 101, the first bending segment 102 and the second straight line segment 103 are positioned is a first plane; the same plane where the central lines of the second straight line segment 103, the second curved segment 104 and the third straight line segment 105 are positioned is a second plane, and the same plane where the central lines of the third straight line segment 105, the third curved segment 106 and the fourth straight line segment 107 are positioned is a third plane; the first plane, the second plane and the third plane are not parallel to each other, and any two planes have included angles.
Taking the pipe fitting 10 of the present embodiment as an example, the bending process of the pipe fitting 10 is as follows: as shown in fig. 1 and 2, when the pipe 10 is subjected to the first bending forming, the pipe 10 is inserted between the roller 5 and the wheel die holder 4, after the bending position of the pipe 10 is determined, the pipe 10 is fixed on the wheel die holder 4 by using the quick clamp 6; the rotary table 3 is driven to rotate clockwise through the driving mechanism 2, the rotary table 3 rotates to drive the roller 5 to move around the main shaft 8, and the roller 5 pushes the pipe fitting 10 when moving, so that the pipe fitting 10 bends backwards along the left end of the wheel die holder 4, and further the pipe fitting 10 completes the first bending; when the bending angle is reached, the rotary table 3 is driven to rotate anticlockwise, so that the roller 5 is reset, the quick clamp 6 is opened, the pipe fitting 10 which is subjected to primary bending is taken out, at the moment, the first straight line segment 101 and the first bending segment 102 are molded, and a first plane where the first straight line segment 101, the first bending segment 102 and the second straight line segment 103 are positioned is determined according to the central lines of the first straight line segment 101, the first bending segment 102 and the second straight line segment 103; as shown in fig. 3, when the pipe 10 is bent and formed for the second time, the adjusting plate 32 is removed from the current adjusting groove 31, the adjusting plate 32 and the roller 5 are installed in the other adjusting groove 31, the pipe 10 is rotated to enable the first straight line segment 101 to point upwards, the rest positions of the pipe 10 are inserted into gaps at the rear sides of the roller 5 and the wheel die holder 4, after the positions of the second bending segments 104 are determined, the pipe 10 is fixed by using the quick clamp 6, the rotating disc 3 is driven to rotate clockwise, the rotating disc 3 drives the roller 5 to move, the roller 5 pushes the pipe 10 to gradually bend forwards along the left end of the wheel die holder 4, after the bending requirement is met, the rotating disc 3 is driven to rotate anticlockwise, the roller 5 is reset, the quick clamp 6 is opened, the pipe 10 after the second bending is taken out, and at the moment, the second straight line segment 103 and the second bending segment 104 are formed, and the second plane where the second straight line segment 103, the second bending segment 104 and the third straight line segment 105 are located are determined; as shown in fig. 4, when the pipe 10 is bent for the third time, the adjusting plate 32 and the roller 5 are removed from the current adjusting groove 31 and installed in the other adjusting groove 31, the rest section of the pipe 10 is inserted into the gap between the wheel die holder 4 and the roller 5, after the position of the third bending section 106 is determined, the pipe 10 is fixed on the wheel die holder 4 by using the quick clamp 6, the rotary table 3 is driven to rotate anticlockwise, the rotary table 3 drives the roller 5 to move, the roller 5 pushes the pipe 10 to bend backwards from the left side of the wheel die holder 4, after the bending requirement is met, the rotary table 3 is driven to rotate clockwise, the roller 5 is reset, the quick clamp 6 is opened to take out the pipe 10, the third plane where the pipe 10 is located is driven according to the central lines of the third straight line section 105, the third bending section 106 and the fourth straight line section 107, and the pipe 10 is bent and formed in a multi-direction multi-angle on the same equipment.
Example 2
As shown in fig. 12 to 14, a punching apparatus, based on the pipe bending apparatus of the embodiment 1, includes a punch 7, the punch 7 being fixedly installed in any one of the adjustment grooves 31 by a first locking screw; the puncher 7 comprises a mounting seat 71 and a punching head 79 for forming an opening, the mounting seat 71 is in sliding fit with the adjusting groove 31, a plurality of locking holes are formed in the mounting seat 71, and a first locking screw penetrates through the locking holes to be connected with a threaded hole in the adjusting groove 31, so that the puncher 7 is fixed in the adjusting groove; when the position of the punch 7 needs to be adjusted, the punch 71 is fixed at the thread groove 311 at other positions by the first locking screw; the punch head 79 is slidably disposed over the mount 71 with the punch head 79 pointing toward the axis of the spindle 8. So set up, adjustable puncher 7 and the interval between the wheel die holder 4, change the wheel die holder of different specifications, be convenient for handle the pipe fitting of different specifications. Further, a guide plate 73 and a first hinge plate 72 are fixedly installed at the top of the installation seat 71, the guide plate 73 is located between the first hinge plate 72 and the wheel mold base 4, a second hinge plate 74 is hinged to the first hinge plate 72, one end of the second hinge plate 74 is fixedly connected with an operating rod 75, the operating rod 75 is tilted upwards in an initial state, a third hinge plate 76 is hinged to the other end of the second hinge plate 74, the third hinge plate 76 is located between the second hinge plate 74 and the guide plate 73, a connecting piece 77 is hinged to the other end of the third hinge plate 76, the connecting piece 77 penetrates through the guide plate 73 and is in sliding fit with the guide plate 73, and a punching head 79 is fixedly installed at the other end of the connecting piece 77. Preferably, the connector 77 is provided with a chuck 78 for clamping and fixing the punching head 79, and specific mechanisms of the chuck 78 can be referred to in patent documents such as a drill chuck with publication number CN211564618U and a drill chuck with publication number CN 206811191U. Preferably, the punch head 79 is wedge-shaped or tapered due to one end of the opening. The punching process of the punching head 79 is: pressing down the operating lever 75, the operating lever 75 drives the second hinge plate 74 to rotate around the hinge point of the second hinge plate 74 and the first hinge plate 72, the other end of the second hinge plate 74 drives the third hinge plate 76 to move towards one side of the wheel die holder 4 and tilt upwards, the third hinge plate 76 pushes the connecting piece 77 to approach the wheel die holder 4, the connecting piece 77 drives the clamping head 78 to approach the wheel die holder 4, the clamping head 78 drives the punching head 79 to approach the wheel die holder 4, and the punching head 79 abuts against the pipe fitting and opens holes in the pipe fitting.
In other embodiments, the connector 77 is a motor, the collet 78 is mounted on the output end of the motor, the chuck is a drill bit, and the drill bit is mounted on the collet 78.
In other embodiments, the connector 77 is an electric push rod, the electric push rod is fixed on the mounting base, the chuck 78 is mounted on the extending end of the electric push rod, and the chuck 78 clamps and fixes the punching head 79.
Example 3
The method for punching the bent pipe of the embodiment 2 comprises the following steps:
step 1): fixing the puncher 7 on the turntable 3;
step 2): the bent pipe is fixed on the front side or the rear side of the wheel die holder 4 through a quick clamp 6;
step 3): the driving mechanism 2 drives the turntable to move the puncher 7 to a required position; the handle 24 is rocked to drive the screw rod 23 to rotate, the screw rod 23 drives the feed nut 25 to move relatively, the feed nut 25 drives the two sliding blocks 26 to move relatively through the guide rod 27, the two sliding blocks 26 drive the rotary table 3 to rotate through the driving arm 28, and the rotary table 3 drives the puncher 7 to move for a proper angle and then stops the screw rod 23 to rotate.
Step 4): driving the puncher 7 to open holes in the bent pipe; pressing down the operating lever 75, the operating lever 75 drives the second hinge plate 74 to rotate around the hinge point of the second hinge plate 74 and the first hinge plate 72, the other end of the second hinge plate 74 drives the third hinge plate 76 to move towards one side of the wheel die holder 4 and tilt upwards, the third hinge plate 76 pushes the connecting piece 77 to approach the wheel die holder 4, the connecting piece 77 drives the clamping head 78 to approach the wheel die holder 4, the clamping head 78 drives the punching head 79 to approach the wheel die holder 4, and the punching head 79 abuts against the pipe fitting and opens holes in the pipe fitting.
Step 5): repeating the step 2) and the step 3) until the punching is finished.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the invention.
Claims (10)
1. A method for punching an elbow is characterized in that: the pipe bending machine comprises a workbench (1), a wheel die holder (4), a rotary table (3), a puncher (7) for punching pipe fittings, a driving mechanism (2) for driving the rotary table (3) to rotate and a plurality of quick clamps (6) for fixing the pipe fittings, wherein the rotary table (3) is rotationally arranged above the workbench (1), the puncher (7) is fixed on the rotary table (3), the left side surface of the wheel die holder (4) is an arc surface, the driving mechanism (2) drives the rotary table (3) to drive the puncher (7) to rotate around the axis of the arc surface on the left side of the wheel die holder (4), and the plurality of quick clamps (6) can fix bent pipes on the front side or the rear side of the wheel die holder (4); the punching step of the bent pipe is as follows:
step 1): fixing the puncher (7) on the turntable;
step 2): the bent pipe is fixed on the front side or the rear side of the wheel die holder (4) through a quick clamp (6);
step 3): the driving mechanism (2) drives the rotary table (3) to move the puncher (7) to a required position;
step 4): driving a puncher (7) to open holes on the bent pipe;
step 5): repeating the step 3) and the step 4) until the punching is finished.
2. A pipe bending apparatus employing a pipe bending method as defined in claim 1, wherein: install main shaft (8) on workstation (1), carousel (3) rotate and install on main shaft (8), wheel die holder (4) detachable fixed mounting is on main shaft (8), has seted up two adjustment tank (31) on carousel (3), and two adjustment tank (31) symmetry set up in main shaft (8) both sides, and puncher (7) are fixed in arbitrary one adjustment tank (31) through first locking screw.
3. The elbow perforating apparatus as defined in claim 2 wherein: the puncher (7) comprises a mounting seat (71) and a punching head (79), wherein the mounting seat (71) is fixed in any one of the adjusting grooves (31) through a first locking screw, and the punching head (79) is arranged above the mounting seat (71) in a sliding mode.
4. A pipe bending and perforating apparatus as defined in claim 3, and further characterized by: the punching head (79) points to the axis of the arc-shaped surface of the wheel die holder (4).
5. The elbow perforating apparatus as defined in claim 2 wherein: a plurality of threaded holes (311) are formed in the adjusting groove (31), and when the distance between the wheel die holder (4) and the puncher (7) needs to be adjusted, the puncher (7) can be fixed at the threaded holes (311) in different positions through first locking screws.
6. The elbow perforating apparatus as defined in claim 2 wherein: the driving mechanism (2) comprises a screw rod (23), two transmission arms (28) and two sliding blocks (26), one ends of the two transmission arms (28) are hinged to the bottom of the rotary table (3), the hinge points of the two transmission arms (28) and the rotary table (3) are located on two sides of the main shaft (8), the other ends of the two transmission arms (28) are respectively hinged to the two sliding blocks (26), threads on the screw rod (23) are divided into two sections and are mutually opposite threads, and the screw rod (23) rotates to drive the two sliding blocks (26) to be close to or far away from each other.
7. The elbow perforating apparatus as defined in claim 6, wherein: both drive arms (28) are curved arms.
8. The elbow perforating apparatus as defined in claim 6, wherein: the hinged parts of the two transmission arms (28) and the turntable (3) are respectively positioned below the two adjusting grooves (31).
9. The elbow perforating apparatus as defined in claim 8, wherein: the distance between the hinge joint of the two transmission arms (28) and the turntable (3) and the main shaft (8) is the same.
10. The elbow perforating apparatus as defined in claim 2 wherein: an index plate (35) with an angle mark is fixedly arranged on the workbench (1), the index plate (35) is arc-shaped, and the turntable (3) is positioned at the inner side of the index plate (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875965.5A CN113500229B (en) | 2021-07-30 | 2021-07-30 | Bent pipe punching equipment and punching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110875965.5A CN113500229B (en) | 2021-07-30 | 2021-07-30 | Bent pipe punching equipment and punching method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113500229A CN113500229A (en) | 2021-10-15 |
| CN113500229B true CN113500229B (en) | 2023-12-19 |
Family
ID=78014740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110875965.5A Active CN113500229B (en) | 2021-07-30 | 2021-07-30 | Bent pipe punching equipment and punching method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113500229B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426446A (en) * | 1972-04-11 | 1976-02-25 | Oltmanns H | Devices for piercing holes in the grooves of corrugated tubes |
| DE3320486A1 (en) * | 1983-06-07 | 1984-12-13 | Kraftanlagen Ag, 6900 Heidelberg | Clamping device for machining pipe bends |
| CN207547686U (en) * | 2017-11-30 | 2018-06-29 | 上海阿爱姆电器有限公司 | Vertical and horizontal car rear cover hinge Special machine for drilling with cooling antirust device |
| CN209109899U (en) * | 2018-11-05 | 2019-07-16 | 宁波蒙恩铝业有限公司 | Aluminum profile disc type Manual pipe-bending device |
| CN209736691U (en) * | 2019-04-04 | 2019-12-06 | 吴树峰 | Bent pipe drilling device for machining electromagnetic valve |
| CN212664961U (en) * | 2020-07-06 | 2021-03-09 | 安平县瑞铁交通设施有限公司 | Drilling machine convenient to operate and used for machining steel pipes |
| CN215545108U (en) * | 2021-07-30 | 2022-01-18 | 浙江金马逊机械有限公司 | Elbow punching equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7739893B2 (en) * | 2004-06-04 | 2010-06-22 | Chun-Jen Chien | 2-way reinforcement bending machine |
-
2021
- 2021-07-30 CN CN202110875965.5A patent/CN113500229B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426446A (en) * | 1972-04-11 | 1976-02-25 | Oltmanns H | Devices for piercing holes in the grooves of corrugated tubes |
| DE3320486A1 (en) * | 1983-06-07 | 1984-12-13 | Kraftanlagen Ag, 6900 Heidelberg | Clamping device for machining pipe bends |
| CN207547686U (en) * | 2017-11-30 | 2018-06-29 | 上海阿爱姆电器有限公司 | Vertical and horizontal car rear cover hinge Special machine for drilling with cooling antirust device |
| CN209109899U (en) * | 2018-11-05 | 2019-07-16 | 宁波蒙恩铝业有限公司 | Aluminum profile disc type Manual pipe-bending device |
| CN209736691U (en) * | 2019-04-04 | 2019-12-06 | 吴树峰 | Bent pipe drilling device for machining electromagnetic valve |
| CN212664961U (en) * | 2020-07-06 | 2021-03-09 | 安平县瑞铁交通设施有限公司 | Drilling machine convenient to operate and used for machining steel pipes |
| CN215545108U (en) * | 2021-07-30 | 2022-01-18 | 浙江金马逊机械有限公司 | Elbow punching equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113500229A (en) | 2021-10-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113458212B (en) | Manual pipe bending equipment and pipe bending method thereof | |
| DE102005043000B4 (en) | Driven tool with alignment guide and drill with alignment guide | |
| CN215545108U (en) | Elbow punching equipment | |
| CN110814111B (en) | Bending radius adjustable pipe bending device | |
| CN111659948A (en) | Aerospace catheter margin excision digital control system, method and equipment | |
| JP2011524819A (en) | Chamfering amount adjustment device for portable chamfering machine | |
| CN111687492B (en) | Pipe fitting flat opening device and U-shaped opening flat opening processing method thereof | |
| CN111673466A (en) | Pipe fitting cutting equipment and horseshoe opening cutting method thereof | |
| CN111730221A (en) | Clamp device for changing laser processing angle | |
| CN113500229B (en) | Bent pipe punching equipment and punching method | |
| CN113458213B (en) | Pipe bending equipment and roller set driving mechanism thereof | |
| CN113458210B (en) | Pipe bending equipment and pipe bending assembly thereof | |
| CN113580824B (en) | Elbow identification printing equipment and identification printing method | |
| CN113458211B (en) | Multidirectional and multi-angle pipe fitting bending forming equipment and forming method | |
| CN111644681A (en) | Aerospace catheter allowance cutting equipment and catheter clamping device thereof | |
| CN215544013U (en) | Pipe bending equipment and roller set driving mechanism thereof | |
| CN215883047U (en) | Elbow mark printing equipment | |
| CN216065011U (en) | Multidirectional multi-angle pipe bending forming equipment | |
| CN216095796U (en) | Manual pipe bending equipment | |
| CN215879401U (en) | Pipe bending equipment and pipe bending assembly thereof | |
| CN214290182U (en) | Bending device | |
| CN221415102U (en) | Radial drilling device for pipe fitting | |
| CN219520181U (en) | Pipe clamp hollowed-out punching machine for automobile pipeline | |
| CN218925804U (en) | Workpiece bending device | |
| CN117483841A (en) | Radial drilling device for pipe fitting |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 321403 6 Xinyuan Road, Xinbi street, Jinyun, Lishui, Zhejiang Applicant after: Zhejiang Kingmasun Intelligent Manufacturing Co.,Ltd. Address before: 321403 No. 6 Xinyuan Road, Jinyun Industrial Park, Lishui, Zhejiang. Applicant before: ZHEJIANG KING-MAZON MACHINERY Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |