CN117428226B - Drilling positioner that machining used - Google Patents
Drilling positioner that machining used Download PDFInfo
- Publication number
- CN117428226B CN117428226B CN202311764001.9A CN202311764001A CN117428226B CN 117428226 B CN117428226 B CN 117428226B CN 202311764001 A CN202311764001 A CN 202311764001A CN 117428226 B CN117428226 B CN 117428226B
- Authority
- CN
- China
- Prior art keywords
- positioning shaft
- extrusion
- drilling
- elastic expansion
- positioning
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 67
- 238000003754 machining Methods 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 56
- 230000009471 action Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000004080 punching Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000003746 surface roughness Effects 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
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
-
- 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
- B23Q3/065—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding workpieces being specially deformable, e.g. made from thin-walled or elastic material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling positioning device for machining, which comprises a frame, wherein a workbench is arranged on the frame, a positioning mechanism is arranged on the workbench, and a drilling mechanism is arranged above the workbench; the positioning mechanism comprises a clamping piece and a positioning shaft, the clamping piece is clamped at two ends of the positioning shaft, a plurality of elastic expansion sleeves and a plurality of extrusion pieces are arranged on the positioning shaft, the elastic expansion sleeves and the extrusion pieces are alternately arranged on the positioning shaft, and the two ends of the positioning shaft are respectively provided with a propping piece. According to the invention, the thin-wall pipe fitting to be processed is clamped without external force, so that the deformation of the thin-wall pipe fitting caused by external clamping force is avoided, the elastic expansion sleeve is used as the lining of the thin-wall pipe fitting, the elastic expansion sleeve effectively supports the thin-wall pipe fitting, the problem that the thin-wall pipe fitting is easy to deform due to clamping and vibration in the drilling process is effectively solved, and the processing precision of the thin-wall pipe fitting is improved.
Description
Technical Field
The invention belongs to the technical field of machining equipment, and particularly relates to a drilling positioning device for machining.
Background
Drilling refers to the operation of machining holes in solid materials by using a drill bit, and the hole machining of various parts is finished by turning, boring, milling and other machine tools, and most of the hole machining is finished by using a drilling machine and a drilling tool (drill bit, reamer and the like). When the pipe fitting is processed, because branches are needed or holes are needed to be drilled on the pipe fitting for other reasons, the pipe fitting is not easy to place, so that a common pipe fitting drilling method is to fix the pipe fitting before drilling, for example, find a weight to clamp the pipe fitting, prevent the pipe fitting from moving, mark the drilling position on the pipe fitting, and drill holes by using a drilling tool.
As disclosed in chinese patent CN215090849U, a pipeline drilling device convenient for positioning includes a set of symmetrical clamping devices, lifting mechanisms, cross bars and drilling devices, wherein the lifting mechanisms are respectively installed above the clamping devices, the cross bars are installed between the lifting devices, and the drilling devices are installed on the cross bars; the clamping device comprises a first clamping arc plate, a second clamping arc plate and clamping rollers, one sides of the first clamping arc plate and the second clamping arc plate are hinged, the other sides of the first clamping arc plate and the second clamping arc plate are connected through buckles, a polygonal channel is formed in the middle of the first clamping arc plate and the second clamping arc plate when the first clamping arc plate and the second clamping arc plate are closed, and the clamping rollers are installed on the inner sides of the polygonal channel through shaft seats. The pipeline drilling equipment of this patent installs a plurality of gyro wheels in clamping device inboard, promotes clamping device when porous operation and makes the gyro wheel remove along the pipeline and can change drilling position and carry out the relocation drilling, compares in current drilling equipment, has reduced and has carried out the trouble that different position drilling need loosen clamping positioning device and carry out the centre gripping location again, improves pipeline drilling's work efficiency.
The pipeline drilling equipment is mainly suitable for thick-wall pipe fittings, the processing of the thin-wall pipe fittings is troublesome, in the actual production process, the thin-wall pipe fittings have the problems of difficult clamping, difficult processing, low precision, high failure rate and the like, and the main reasons are that the thin-wall pipe fittings are poor in rigidity and weak in strength, if an inner hole is processed by positioning a forming excircle during drilling, the problem of processing deformation is generated due to the thin wall and poor rigidity of the thin-wall pipe fittings, and the precision of parts is difficult to guarantee. The factors influencing the processing precision of the thin-wall pipe fitting are numerous, and mainly comprise: (1) The workpiece is deformed under the action of clamping force due to thin wall, so that the dimensional accuracy and the shape accuracy of the workpiece are affected; (2) Vibration deformation is easy to generate vibration during processing, so that the workpiece is deformed, and the size precision, shape, position precision and surface roughness of the workpiece are affected. The deformation is usually irregular and cannot be controlled, and the deformation generated during processing of each workpiece is not necessarily the same, so that the processing precision of the thin-wall pipe fitting is greatly affected.
Disclosure of Invention
The invention aims to provide a drilling positioning device for machining, which is used for solving the problems in the prior art.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the drilling positioning device for machining comprises a frame, wherein a workbench is arranged on the frame, a positioning mechanism is arranged on the workbench, and a drilling mechanism is arranged above the workbench; the positioning mechanism comprises a clamping piece and a positioning shaft, wherein the clamping piece is clamped at two ends of the positioning shaft, a plurality of elastic expansion sleeves and a plurality of extrusion pieces are arranged on the positioning shaft, the elastic expansion sleeves and the extrusion pieces are alternately arranged on the positioning shaft, the two ends of the positioning shaft are respectively provided with a tight supporting piece, the tight supporting pieces are used for tightly supporting the elastic expansion sleeves or the extrusion pieces, and the elastic expansion sleeves expand under the extrusion action of the extrusion pieces, so that the elastic expansion sleeves tightly support the inner wall of a thin-wall pipe fitting to be processed.
As an optional implementation manner of the technical scheme, the extrusion piece comprises an extrusion ring, the extrusion ring is movably sleeved on the positioning shaft, and extrusion inclined planes used for extruding the elastic expansion sleeve are arranged on two sides of the extrusion ring.
As an optional implementation manner of the above technical scheme, the surface of the positioning shaft is provided with a limiting chute along the axial direction thereof, and the inner wall of the extrusion ring is provided with a limiting convex strip matched with the limiting chute.
As an optional implementation manner of the above technical scheme, the circumferential surface of the positioning shaft is provided with a plurality of limiting sliding grooves with different lengths, and one ends of the limiting sliding grooves extend to the end part of the positioning shaft.
As an optional implementation manner of the above technical scheme, the elastic expansion sleeve comprises a sleeve body, wherein a plurality of through holes are uniformly formed in the circumferential direction of the sleeve body, each through hole is provided with an opening extending to the side edge of the sleeve body, and the directions of two adjacent openings are opposite.
As an optional implementation manner of the above technical scheme, expansion inclined planes matched with the extrusion inclined planes are arranged on the inner walls of the two sides of the sleeve body.
As an optional implementation manner of the above technical solution, the tightening member includes a tightening nut, the tightening nut is in threaded connection with the positioning shaft, and a tightening inclined plane adapted to the expansion inclined plane is disposed on one side of the tightening nut.
As an optional implementation manner of the above technical solution, the clamping member includes a left chuck and a right chuck, the left chuck and the right chuck are respectively clamped at two ends of the positioning shaft, and the left chuck is provided with a rotation driving mechanism; the right chuck is arranged on the workbench in a sliding manner, and is provided with a linear driving mechanism.
As an optional implementation manner of the above technical solution, the rotation driving mechanism includes a rotation driving motor, and an output end of the rotation driving motor is connected with the left chuck; the linear driving mechanism comprises a linear driving cylinder, and the output end of the linear driving cylinder is connected with the right chuck.
As an optional implementation manner of the foregoing technical solution, the drilling mechanism includes a drilling machine, and the drilling machine is disposed above the workbench and is provided with a transverse driving mechanism and a longitudinal driving mechanism.
As an optional implementation manner of the technical scheme, the transverse driving mechanism comprises a transverse driving motor, the transverse driving motor is provided with a mounting seat, the output end of the transverse driving motor is provided with a transverse driving screw, the drilling machine is in threaded connection with the transverse driving screw, and the drilling machine is in sliding fit with the mounting seat.
As an optional implementation manner of the above technical solution, the longitudinal driving mechanism includes a longitudinal driving cylinder, an output end of the longitudinal driving cylinder is connected with a mounting seat, and the mounting seat is slidably disposed on the frame.
The beneficial effects of the invention are as follows:
the invention provides a drilling positioning device for machining, which clamps a thin-wall pipe fitting to be machined without external force, avoids deformation of the thin-wall pipe fitting caused by external clamping force, and effectively supports the thin-wall pipe fitting by using an elastic expansion sleeve as a lining of the thin-wall pipe fitting, so that the problem that the thin-wall pipe fitting is easy to deform due to clamping and vibration in the drilling process is effectively solved, and the machining precision of the thin-wall pipe fitting is improved. The invention has the characteristics of simple structure and convenient processing and use, can effectively control and reduce the processing deformation of the thin-wall pipe fitting, and ensures the product precision and the product quality.
Drawings
Fig. 1 is a schematic structural view of a drilling positioning apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a positioning mechanism according to an embodiment of the present invention.
Fig. 3 is a schematic view of an internal structure of a positioning mechanism according to an embodiment of the present invention.
Fig. 4 is a schematic view of a positioning shaft according to an embodiment of the present invention.
FIG. 5 is a schematic view showing an internal structure of the extrusion ring according to an embodiment of the present invention.
In the figure: 1-a frame; 2-a workbench; 3-positioning the shaft; 4-thin-wall pipe fittings; 5-extruding the ring; 6-limiting sliding grooves; 7, a sleeve body; 8-through holes; 9-opening; 10-tightly abutting the nut; 11-left chuck; 12-right chuck; 13-a rotary drive mechanism; 14-a linear drive mechanism; 15-a drilling machine; 16-a transverse drive motor; 17-a mounting base; 18-driving the screw transversely; 19-a longitudinal drive cylinder; 20-limit convex strips.
Detailed Description
Example 1
As shown in fig. 1, the present embodiment provides a drilling positioning device for machining, which is mainly used for machining a thin-walled pipe fitting 4, and prevents the thin-walled pipe fitting 4 from deforming during the machining process. The drilling positioning device comprises a frame 1, a foot pad is arranged at the bottom of the frame 1, a workbench 2 is arranged on the frame 1, a positioning mechanism is arranged on the workbench 2 and used for positioning a thin-wall pipe fitting 4, and machining of the thin-wall pipe fitting 4 is facilitated. The drilling mechanism is movably arranged above the workbench 2, and can be lifted and moved, so that the thin-wall pipe fitting 4 positioned by the positioning mechanism can be conveniently drilled.
Specifically, the positioning mechanism comprises a clamping piece and a positioning shaft 3, the clamping piece is clamped at two ends of the positioning shaft 3, a plurality of elastic expansion sleeves and a plurality of extrusion pieces are arranged on the positioning shaft 3, the elastic expansion sleeves and the extrusion pieces are alternately arranged on the positioning shaft 3, and the corresponding number of the elastic expansion sleeves and the extrusion pieces are appropriately arranged according to the length of the thin-wall pipe fitting 4. The two ends of the positioning shaft 3 are respectively provided with a propping piece, and the propping pieces are used for propping the elastic expansion sleeve or the extrusion piece, and the elastic expansion sleeve expands under the extrusion action of the extrusion piece so that the elastic expansion sleeve is propped against the inner wall of the thin-wall pipe fitting 4 to be processed. The elastic expansion sleeves and the extrusion pieces are sleeved on the positioning shaft 3, the thin-wall pipe fitting 4 is sleeved outside the elastic expansion sleeves, pressure is applied to the elastic expansion sleeves or the extrusion pieces at the end parts of the positioning shaft 3 through the two abutting pieces, all the elastic expansion sleeves expand under the action of the extrusion pieces, and after the elastic expansion sleeves expand, the elastic expansion sleeves are in contact with the inner wall of the thin-wall pipe fitting 4 and tightly abut against the inner wall of the thin-wall pipe fitting 4, so that the positioning function of the thin-wall pipe fitting 4 is realized.
According to the invention, the thin-wall pipe fitting 4 to be processed is not clamped by means of external force, so that the deformation of the thin-wall pipe fitting 4 caused by external clamping force is avoided, the elastic expansion sleeve is used as the inner lining of the thin-wall pipe fitting 4, the elastic expansion sleeve effectively supports the thin-wall pipe fitting 4, the problem of easy deformation of the thin-wall pipe fitting 4 caused by clamping and vibration in the drilling process is effectively solved, and the processing precision of the thin-wall pipe fitting 4 is improved. The invention has the characteristics of simple structure and convenient processing and use, can effectively control and reduce the processing deformation of the thin-wall pipe fitting 4, and ensures the product precision and the product quality.
Example 2
The embodiment is optimized on the basis of embodiment 1, specifically, the extrusion part comprises an extrusion ring 5, the extrusion ring 5 is movably sleeved on the positioning shaft 3, and extrusion inclined planes for extruding the elastic expansion sleeve are arranged on two sides of the extrusion ring 5. The extrusion inclined plane is contacted with the elastic expansion sleeve, which is beneficial to the expansion of the elastic expansion sleeve.
As shown in fig. 4 and 5, preferably, the surface of the positioning shaft 3 is provided with a limit chute 6 along the axial direction thereof, and the inner wall of the extrusion ring 5 is provided with a limit convex strip 20 adapted to the limit chute 6. The limit convex strips 20 are matched with the limit sliding grooves 6, so that the extrusion ring 5 only moves in the axial direction, and the extrusion ring 5 is prevented from rotating when the elastic expansion sleeve is extruded.
As shown in fig. 4, in order to uniformly expand each elastic expansion sleeve, the circumferential surface of the positioning shaft 3 is provided with a plurality of limiting sliding grooves 6 with different lengths, and one ends of the limiting sliding grooves 6 extend to the end of the positioning shaft 3. The extrusion ring 5 is arranged on the positioning shaft 3 from the opening 9 end of the limiting chute 6, the extrusion ring 5 slides to the tail end of the limiting chute 6 along the surface of the positioning shaft 3, then an elastic expansion sleeve is arranged, another extrusion ring 5 is arranged, the installation of the elastic expansion sleeve and the extrusion ring 5 is gradually completed, finally a propping piece is arranged, the extrusion ring 5 is propped tightly by the propping piece, and because the lengths of the limiting chutes 6 are different, when the extrusion rings 5 are extruded and slide to the tail end of the limiting chute 6, the expansion of the maximum range of the elastic expansion sleeve is generated, and the supporting and positioning of the thin-wall pipe fitting 4 are completed.
As shown in fig. 2 and 3, the elastic expansion sleeve comprises a sleeve body 7, a plurality of through holes 8 are uniformly formed in the circumferential direction of the sleeve body 7, each through hole 8 is provided with an opening 9 extending to the side edge of the sleeve body 7, and the directions of two adjacent openings 9 are opposite. The inner walls of the two sides of the sleeve body 7 are respectively provided with an expansion inclined plane which is matched with the extrusion inclined plane, thereby being beneficial to the smooth expansion of the elastic expansion sleeve.
The abutting piece comprises an abutting nut 10, the abutting nut 10 is in threaded connection with the positioning shaft 3, and an abutting inclined surface matched with the expansion inclined surface is arranged on one side of the abutting nut 10. When the abutting nuts 10 are installed, one abutting nut 10 is fixed first, then the other abutting nut 10 is screwed, each extrusion ring 5 slides to the tail end of the limiting chute 6 after being extruded, and each elastic expansion sleeve expands in the maximum range.
As shown in fig. 1, the clamping member includes a left chuck 11 and a right chuck 12, the left chuck 11 and the right chuck 12 are respectively clamped at both ends of the positioning shaft 3, and the left chuck 11 is provided with a rotation driving mechanism 13; the right chuck 12 is slidably arranged on the workbench 2, the right chuck 12 is provided with a linear driving mechanism 14, and the jaws of the right chuck 12 can rotate along with the positioning shaft 3, so that circumferential punching is conveniently performed on the thin-wall pipe fitting 4.
Specifically, the rotation driving mechanism 13 includes a rotation driving motor, an output end of which is connected to the left chuck 11; the linear driving mechanism 14 includes a linear driving cylinder, and an output end of the linear driving cylinder is connected to the right chuck 12. The rotary driving motor drives the thin-wall pipe fitting 4 to rotate so as to conveniently punch holes in different positions of the thin-wall pipe fitting 4. The right chuck 12 is driven to move left and right by the linear driving cylinder, so that the thin-wall pipe fitting 4 can be conveniently disassembled and assembled.
Example 3
As shown in fig. 1, this embodiment is optimized on the basis of embodiment 1, and specifically, the drilling mechanism includes a drilling machine 15, the drilling machine 15 is disposed above the table 2, and the drilling machine 15 is provided with a lateral driving mechanism and a longitudinal driving mechanism. The transverse driving mechanism comprises a transverse driving motor 16, the transverse driving motor 16 is provided with a mounting seat 17, the output end of the transverse driving motor 16 is provided with a transverse driving screw 18, the drilling machine 15 is in threaded connection with the transverse driving screw 18, and the drilling machine 15 is in sliding fit with the mounting seat 17. The longitudinal driving mechanism comprises a longitudinal driving air cylinder 19, the output end of the longitudinal driving air cylinder 19 is connected with a mounting seat 17, and the mounting seat 17 is arranged on the frame 1 in a sliding manner. The frame 1 is provided with a portal frame, the mounting seat 17 is slidably mounted on the portal frame, the longitudinal driving cylinder 19 drives the drilling machine 15 to move up and down, the transverse driving motor 16 drives the drilling machine 15 to move left and right, and the punching function of different positions of the thin-wall pipe fitting 4 is realized.
Example 4
As shown in fig. 1 to 5, the present embodiment provides a drilling positioning device for machining, which is mainly used for machining a thin-walled pipe fitting 4, and prevents the problem of deformation of the thin-walled pipe fitting 4 during machining. The drilling positioning device comprises a frame 1, a foot pad is arranged at the bottom of the frame 1, a workbench 2 is arranged on the frame 1, a positioning mechanism is arranged on the workbench 2 and used for positioning a thin-wall pipe fitting 4, and machining of the thin-wall pipe fitting 4 is facilitated. The drilling mechanism is movably arranged above the workbench 2, and can be lifted and moved, so that the thin-wall pipe fitting 4 positioned by the positioning mechanism can be conveniently drilled.
Specifically, the positioning mechanism comprises a clamping piece and a positioning shaft 3, the clamping piece is clamped at two ends of the positioning shaft 3, a plurality of elastic expansion sleeves and a plurality of extrusion pieces are arranged on the positioning shaft 3, the elastic expansion sleeves and the extrusion pieces are alternately arranged on the positioning shaft 3, and the corresponding number of the elastic expansion sleeves and the extrusion pieces are appropriately arranged according to the length of the thin-wall pipe fitting 4. The two ends of the positioning shaft 3 are respectively provided with a propping piece, and the propping pieces are used for propping the elastic expansion sleeve or the extrusion piece, and the elastic expansion sleeve expands under the extrusion action of the extrusion piece so that the elastic expansion sleeve is propped against the inner wall of the thin-wall pipe fitting 4 to be processed. The elastic expansion sleeves and the extrusion pieces are sleeved on the positioning shaft 3, the thin-wall pipe fitting 4 is sleeved outside the elastic expansion sleeves, pressure is applied to the elastic expansion sleeves or the extrusion pieces at the end parts of the positioning shaft 3 through the two abutting pieces, all the elastic expansion sleeves expand under the action of the extrusion pieces, and after the elastic expansion sleeves expand, the elastic expansion sleeves are in contact with the inner wall of the thin-wall pipe fitting 4 and tightly abut against the inner wall of the thin-wall pipe fitting 4, so that the positioning function of the thin-wall pipe fitting 4 is realized.
In this embodiment, the extrusion piece includes extrusion ring 5, and extrusion ring 5 movable sleeve is established on locating shaft 3, and extrusion ring 5's both sides all are equipped with the extrusion inclined plane that is used for extrusion elastic expansion cover. The extrusion inclined plane is contacted with the elastic expansion sleeve, which is beneficial to the expansion of the elastic expansion sleeve. Preferably, the surface of the positioning shaft 3 is provided with a limiting chute 6 along the axial direction thereof, and the inner wall of the extrusion ring 5 is provided with a limiting convex strip 20 matched with the limiting chute 6. The limit convex strips 20 are matched with the limit sliding grooves 6, so that the extrusion ring 5 only moves in the axial direction, and the extrusion ring 5 is prevented from rotating when the elastic expansion sleeve is extruded.
In order to uniformly expand each elastic expansion sleeve, the circumferential surface of the positioning shaft 3 is provided with a plurality of limiting sliding grooves 6 with different lengths, and one ends of the limiting sliding grooves 6 extend to the end part of the positioning shaft 3. The extrusion ring 5 is arranged on the positioning shaft 3 from the opening 9 end of the limiting chute 6, the extrusion ring 5 slides to the tail end of the limiting chute 6 along the surface of the positioning shaft 3, then an elastic expansion sleeve is arranged, another extrusion ring 5 is arranged, the installation of the elastic expansion sleeve and the extrusion ring 5 is gradually completed, finally a propping piece is arranged, the extrusion ring 5 is propped tightly by the propping piece, and because the lengths of the limiting chutes 6 are different, when the extrusion rings 5 are extruded and slide to the tail end of the limiting chute 6, the expansion of the maximum range of the elastic expansion sleeve is generated, and the supporting and positioning of the thin-wall pipe fitting 4 are completed.
In this embodiment, the elastic expansion sleeve includes a sleeve body 7, a plurality of through holes 8 are uniformly arranged in the circumferential direction of the sleeve body 7, each through hole 8 is provided with an opening 9 extending to the side edge of the sleeve body 7, and the directions of two adjacent openings 9 are opposite. The inner walls of the two sides of the sleeve body 7 are respectively provided with an expansion inclined plane which is matched with the extrusion inclined plane, thereby being beneficial to the smooth expansion of the elastic expansion sleeve.
The abutting piece comprises an abutting nut 10, the abutting nut 10 is in threaded connection with the positioning shaft 3, and an abutting inclined surface matched with the expansion inclined surface is arranged on one side of the abutting nut 10. When the abutting nuts 10 are installed, one abutting nut 10 is fixed first, then the other abutting nut 10 is screwed, each extrusion ring 5 slides to the tail end of the limiting chute 6 after being extruded, and each elastic expansion sleeve expands in the maximum range.
In the present embodiment, the clamping member includes a left chuck 11 and a right chuck 12, the left chuck 11 and the right chuck 12 are respectively clamped at two ends of the positioning shaft 3, and the left chuck 11 is provided with a rotation driving mechanism 13; the right chuck 12 is slidably arranged on the workbench 2, the right chuck 12 is provided with a linear driving mechanism 14, and the jaws of the right chuck 12 can rotate along with the positioning shaft 3, so that circumferential punching is conveniently performed on the thin-wall pipe fitting 4. The rotary driving mechanism 13 comprises a rotary driving motor, and the output end of the rotary driving motor is connected with the left chuck 11; the linear driving mechanism 14 includes a linear driving cylinder, and an output end of the linear driving cylinder is connected to the right chuck 12. The rotary driving motor drives the thin-wall pipe fitting 4 to rotate so as to conveniently punch holes in different positions of the thin-wall pipe fitting 4. The right chuck 12 is driven to move left and right by the linear driving cylinder, so that the thin-wall pipe fitting 4 can be conveniently disassembled and assembled.
In the present embodiment, the boring mechanism includes a boring machine 15, the boring machine 15 being provided above the table 2, the boring machine 15 being provided with a lateral drive mechanism and a longitudinal drive mechanism. The transverse driving mechanism comprises a transverse driving motor 16, the transverse driving motor 16 is provided with a mounting seat 17, the output end of the transverse driving motor 16 is provided with a transverse driving screw 18, the drilling machine 15 is in threaded connection with the transverse driving screw 18, and the drilling machine 15 is in sliding fit with the mounting seat 17. The longitudinal driving mechanism comprises a longitudinal driving air cylinder 19, the output end of the longitudinal driving air cylinder 19 is connected with a mounting seat 17, and the mounting seat 17 is arranged on the frame 1 in a sliding manner. The frame 1 is provided with a portal frame, the mounting seat 17 is slidably mounted on the portal frame, the longitudinal driving cylinder 19 drives the drilling machine 15 to move up and down, the transverse driving motor 16 drives the drilling machine 15 to move left and right, and the punching function of different positions of the thin-wall pipe fitting 4 is realized.
In the description of the present invention, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be fixedly connected, detachably connected, or integrally formed; may be a mechanical or electrical connection; may be directly connected or indirectly connected through an intermediate medium, and may be in communication with the inside of two elements or in interaction with the two elements, the specific meaning of the terms being understood by those skilled in the art. Furthermore, the particular features, structures, etc. described in the examples are included in at least one embodiment and those of skill in the art may combine features of different embodiments without contradiction. The scope of the present invention is not limited to the above-described specific embodiments, and embodiments which can be suggested to those skilled in the art without inventive effort according to the basic technical concept of the present invention are all within the scope of the present invention.
Claims (5)
1. The drilling positioning device for machining comprises a frame (1), wherein a workbench (2) is arranged on the frame (1), a positioning mechanism is arranged on the workbench (2), and a drilling mechanism is arranged above the workbench (2); the positioning mechanism is characterized by comprising a clamping piece and a positioning shaft (3), wherein the clamping piece is clamped at two ends of the positioning shaft (3), a plurality of elastic expansion sleeves and a plurality of extrusion pieces are arranged on the positioning shaft (3), the elastic expansion sleeves and the extrusion pieces are alternately arranged on the positioning shaft (3), two ends of the positioning shaft (3) are respectively provided with a tight supporting piece, the tight supporting pieces are used for tightly supporting the elastic expansion sleeves or the extrusion pieces, and the elastic expansion sleeves expand under the extrusion action of the extrusion pieces so that the elastic expansion sleeves tightly support the inner wall of a thin-wall pipe fitting (4) to be processed;
the extrusion piece comprises an extrusion ring (5), the extrusion ring (5) is movably sleeved on the positioning shaft (3), and extrusion inclined planes for extruding the elastic expansion sleeve are arranged on two sides of the extrusion ring (5); a limiting chute (6) is arranged on the surface of the positioning shaft (3) along the axial direction of the positioning shaft, and a limiting raised line (20) matched with the limiting chute (6) is arranged on the inner wall of the extrusion ring (5); the periphery of the positioning shaft (3) is provided with a plurality of limiting sliding grooves (6) with different lengths, and one ends of the limiting sliding grooves (6) extend to the end part of the positioning shaft (3);
the elastic expansion sleeve comprises a sleeve body (7), a plurality of through holes (8) are uniformly formed in the circumferential direction of the sleeve body (7), openings (9) extending to the side edges of the sleeve body (7) are formed in each through hole (8), and the directions of two adjacent openings (9) are opposite; expansion inclined planes which are matched with the extrusion inclined planes are arranged on the inner walls of the two sides of the sleeve body (7); the abutting piece comprises an abutting nut (10), the abutting nut (10) is in threaded connection with the positioning shaft (3), and an abutting inclined surface matched with the expansion inclined surface is arranged on one side of the abutting nut (10); when the abutting nuts (10) are installed, one abutting nut (10) is fixed first, then the other abutting nut (10) is screwed down, each extrusion ring (5) slides to the tail end of the limiting chute (6) after being extruded, and each elastic expansion sleeve expands in the maximum range.
2. Drilling positioning device for machining according to claim 1, characterized in that the clamping means comprise a left chuck (11) and a right chuck (12), the left chuck (11) and the right chuck (12) being clamped at the two ends of the positioning shaft (3), respectively, the left chuck (11) being provided with a rotary drive mechanism (13); the right chuck (12) is arranged on the workbench (2) in a sliding manner, and the right chuck (12) is provided with a linear driving mechanism (14).
3. Drilling positioning device for machining according to claim 2, characterized in that the rotary drive mechanism (13) comprises a rotary drive motor, the output of which is connected to the left chuck (11); the linear driving mechanism (14) comprises a linear driving cylinder, and the output end of the linear driving cylinder is connected with the right chuck (12).
4. Drilling positioning device for machining according to claim 1, characterized in that the drilling means comprise a drilling machine (15), the drilling machine (15) being arranged above the table (2), the drilling machine (15) being provided with a transverse drive and a longitudinal drive.
5. The drilling positioning device for machining according to claim 4, wherein the transverse driving mechanism comprises a transverse driving motor (16), the transverse driving motor (16) is provided with a mounting seat (17), the output end of the transverse driving motor (16) is provided with a transverse driving screw (18), the drilling machine (15) is in threaded connection with the transverse driving screw (18), and the drilling machine (15) is in sliding fit with the mounting seat (17); the longitudinal driving mechanism comprises a longitudinal driving air cylinder (19), the output end of the longitudinal driving air cylinder (19) is connected with a mounting seat (17), and the mounting seat (17) is arranged on the frame (1) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311764001.9A CN117428226B (en) | 2023-12-21 | 2023-12-21 | Drilling positioner that machining used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311764001.9A CN117428226B (en) | 2023-12-21 | 2023-12-21 | Drilling positioner that machining used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117428226A CN117428226A (en) | 2024-01-23 |
| CN117428226B true CN117428226B (en) | 2024-04-05 |
Family
ID=89548382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311764001.9A Active CN117428226B (en) | 2023-12-21 | 2023-12-21 | Drilling positioner that machining used |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117428226B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623541A (en) * | 1945-05-02 | 1949-05-19 | Milton Lloyd Benjamin | An improved expanding arbor |
| US3997176A (en) * | 1975-09-19 | 1976-12-14 | Borg-Warner Corporation | Expansible mandrel |
| JP2004209598A (en) * | 2002-12-27 | 2004-07-29 | Citizen Watch Co Ltd | Workpiece gripping device and automatic lathe |
| RU2291760C2 (en) * | 2005-04-11 | 2007-01-20 | Открытое акционерное общество "Станкотехника" | Thin-wall parts working mandrel |
| CN202556863U (en) * | 2012-05-23 | 2012-11-28 | 武汉文林科技有限公司 | Novel laminated board limiting hanging board |
| CN203459697U (en) * | 2013-07-29 | 2014-03-05 | 江苏森威精锻有限公司 | Sleeve expanding clamp for boring inner hole of tubular part |
| CN104190977A (en) * | 2014-07-29 | 2014-12-10 | 南通理工学院 | Cylindrical workpiece outer circle machining clamp and using method thereof |
| CN206811157U (en) * | 2017-04-26 | 2017-12-29 | 苏州市意可机电有限公司 | Macrotype tubular thin-wall part processes tension tool |
| CN210010695U (en) * | 2019-06-11 | 2020-02-04 | 辉县市恒锐机械有限公司 | Bush is anchor clamps processed in batches |
| CN111438828A (en) * | 2020-03-30 | 2020-07-24 | 大同新成新材料股份有限公司 | Turnover type automatic drilling machine for intelligent pantograph carbon slide plate and drilling method thereof |
| CN111702199A (en) * | 2020-07-30 | 2020-09-25 | 北京小螺智能科技有限公司 | Turning fixture for machining large-diameter thin-wall steel lining |
| CN112207590A (en) * | 2020-10-13 | 2021-01-12 | 安徽中鑫精密铸造科技有限公司 | Multifunctional overturning platform |
| CN214641892U (en) * | 2021-03-04 | 2021-11-09 | 郑州杰微电子技术有限公司 | Positioning tool for KVM extender production |
| CN215090849U (en) * | 2021-05-21 | 2021-12-10 | 郑州航空工业管理学院 | Pipeline drilling equipment convenient to location |
| CN217702381U (en) * | 2022-08-01 | 2022-11-01 | 重庆优齐机械制造有限公司 | Crossbeam anchor clamps that punch a hole for vehicle processing |
| CN218612996U (en) * | 2022-11-03 | 2023-03-14 | 浙江正权科技装备有限公司 | Hollow tubular part machining clamp |
| CN219336022U (en) * | 2023-03-29 | 2023-07-14 | 青岛涵锐精密机械有限公司 | Multi-section type rubber expansion sleeve expansion mandrel reverse expansion clamp |
| CN219944678U (en) * | 2023-03-21 | 2023-11-03 | 重庆日立亨科技有限公司 | Battery box drilling equipment |
| CN219986879U (en) * | 2023-04-14 | 2023-11-10 | 四川省浙南金属制品有限责任公司 | Clamp for machining parts |
| CN220145321U (en) * | 2023-06-27 | 2023-12-08 | 江阴市博仑铝业有限公司 | Aluminum profile machining clamp |
-
2023
- 2023-12-21 CN CN202311764001.9A patent/CN117428226B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB623541A (en) * | 1945-05-02 | 1949-05-19 | Milton Lloyd Benjamin | An improved expanding arbor |
| US3997176A (en) * | 1975-09-19 | 1976-12-14 | Borg-Warner Corporation | Expansible mandrel |
| JP2004209598A (en) * | 2002-12-27 | 2004-07-29 | Citizen Watch Co Ltd | Workpiece gripping device and automatic lathe |
| RU2291760C2 (en) * | 2005-04-11 | 2007-01-20 | Открытое акционерное общество "Станкотехника" | Thin-wall parts working mandrel |
| CN202556863U (en) * | 2012-05-23 | 2012-11-28 | 武汉文林科技有限公司 | Novel laminated board limiting hanging board |
| CN203459697U (en) * | 2013-07-29 | 2014-03-05 | 江苏森威精锻有限公司 | Sleeve expanding clamp for boring inner hole of tubular part |
| CN104190977A (en) * | 2014-07-29 | 2014-12-10 | 南通理工学院 | Cylindrical workpiece outer circle machining clamp and using method thereof |
| CN206811157U (en) * | 2017-04-26 | 2017-12-29 | 苏州市意可机电有限公司 | Macrotype tubular thin-wall part processes tension tool |
| CN210010695U (en) * | 2019-06-11 | 2020-02-04 | 辉县市恒锐机械有限公司 | Bush is anchor clamps processed in batches |
| CN111438828A (en) * | 2020-03-30 | 2020-07-24 | 大同新成新材料股份有限公司 | Turnover type automatic drilling machine for intelligent pantograph carbon slide plate and drilling method thereof |
| CN111702199A (en) * | 2020-07-30 | 2020-09-25 | 北京小螺智能科技有限公司 | Turning fixture for machining large-diameter thin-wall steel lining |
| CN112207590A (en) * | 2020-10-13 | 2021-01-12 | 安徽中鑫精密铸造科技有限公司 | Multifunctional overturning platform |
| CN214641892U (en) * | 2021-03-04 | 2021-11-09 | 郑州杰微电子技术有限公司 | Positioning tool for KVM extender production |
| CN215090849U (en) * | 2021-05-21 | 2021-12-10 | 郑州航空工业管理学院 | Pipeline drilling equipment convenient to location |
| CN217702381U (en) * | 2022-08-01 | 2022-11-01 | 重庆优齐机械制造有限公司 | Crossbeam anchor clamps that punch a hole for vehicle processing |
| CN218612996U (en) * | 2022-11-03 | 2023-03-14 | 浙江正权科技装备有限公司 | Hollow tubular part machining clamp |
| CN219944678U (en) * | 2023-03-21 | 2023-11-03 | 重庆日立亨科技有限公司 | Battery box drilling equipment |
| CN219336022U (en) * | 2023-03-29 | 2023-07-14 | 青岛涵锐精密机械有限公司 | Multi-section type rubber expansion sleeve expansion mandrel reverse expansion clamp |
| CN219986879U (en) * | 2023-04-14 | 2023-11-10 | 四川省浙南金属制品有限责任公司 | Clamp for machining parts |
| CN220145321U (en) * | 2023-06-27 | 2023-12-08 | 江阴市博仑铝业有限公司 | Aluminum profile machining clamp |
Non-Patent Citations (1)
| Title |
|---|
| 大型薄壁筒件胀形装夹方法研究;赵慧凯;机械设计;20190920;第第36卷卷(第第9期期);第63-66页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117428226A (en) | 2024-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105710730A (en) | Machine tool for processing workpieces | |
| CN108907736B (en) | Connecting rod processing system | |
| CN117428226B (en) | Drilling positioner that machining used | |
| CN217290946U (en) | Clamp for laser cutting | |
| CN211840281U (en) | Rotary type porous drilling machine fixture for thin-wall sleeve part | |
| CN107877290B (en) | Deburring device for hydraulic press beam | |
| JP4407934B2 (en) | Shaft processing equipment | |
| CN205817027U (en) | A kind of tool for drilling fixture | |
| CN219093678U (en) | Self-centering drilling machine workbench | |
| CN115781346B (en) | Frock clamp that numerical control lathe cylinder body processing was used | |
| CN209887710U (en) | High-precision intelligent punching device | |
| CN216938715U (en) | Special unilateral self-centering rotary table for sawing machine | |
| CN211614932U (en) | Cylinder work piece holder | |
| CN219901130U (en) | Clamp for thin-wall cylindrical workpiece | |
| CN220498432U (en) | Zero point positioning fixture with quick type changing function | |
| CN215545071U (en) | Motor flange end cover machining device | |
| CN218696324U (en) | Special-shaped part tool clamp | |
| CN218575978U (en) | High-stability machining part tool clamp | |
| CN219818085U (en) | Drilling device for rear axle box | |
| CN215588476U (en) | Porous drill jig | |
| CN213794423U (en) | Milling equipment | |
| CN220196396U (en) | Cylindrical centripetal positioning punching device | |
| CN220943278U (en) | Machining tool for double-sided drilling of double-necked flange | |
| CN220051432U (en) | Special-shaped workpiece fixing device | |
| CN215393694U (en) | Gear machining device capable of efficiently cutting |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |