CN111515693A - Numerical control machining center based on gang tool and shock absorber joint of processing thereof - Google Patents
Numerical control machining center based on gang tool and shock absorber joint of processing thereof Download PDFInfo
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- CN111515693A CN111515693A CN202010400421.9A CN202010400421A CN111515693A CN 111515693 A CN111515693 A CN 111515693A CN 202010400421 A CN202010400421 A CN 202010400421A CN 111515693 A CN111515693 A CN 111515693A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Mechanical Engineering (AREA)
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- Optics & Photonics (AREA)
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Abstract
The invention discloses a numerical control machining center based on a combined cutter, which comprises a machine tool base, a workpiece clamping tool, a left combined cutter and a right combined cutter, wherein the left combined cutter and the right combined cutter are oppositely arranged on the left side and the right side of the workpiece clamping tool, and the rotation axes of the left combined cutter and the right combined cutter are superposed. The invention also discloses a shock absorber joint which is machined by the numerical control machining center based on the combined cutter. The numerical control machining center based on the combined cutter and the processed shock absorber joint based on the technical scheme have the advantages that the machining process is simplified, the cutter does not need to be replaced in the machining process, machining efficiency is greatly improved, the shock absorber joint only needs to translate left and right in the machining process, overturning is not needed, coaxiality of a blind hole and a mounting hole can be accurately ensured through the left combined cutter and the right combined cutter which are coaxially arranged, machining precision and machining quality of the shock absorber joint are ensured, assembly precision is guaranteed, and oil leakage hidden danger can be avoided.
Description
Technical Field
The invention relates to the technical field of machining of shock absorber joints, in particular to a numerical control machining center based on a combined tool and a shock absorber joint machined by the numerical control machining center.
Background
Under the working condition, the impact force born by the shock absorber joint is almost the largest in all parts of the motorcycle, so the shock absorber joint belongs to one of the core safety parts of the motorcycle; in addition, the shock absorber joint is also an appearance part of the motorcycle and has aesthetic requirements. Therefore, the main machine factory has strict requirements on the processing precision, the processing quality and the appearance effect of the shock absorber joint.
The shock absorber connector is provided with a large-depth blind hole (the depth is more than 500m) and a mounting hole which is coaxially communicated with the large-depth blind hole. The existing numerical control machining center adopts a common cutter to machine the shock absorber joint one by one, so that not only are machining procedures multiple and the cutter needs to be frequently replaced, and the machining efficiency is extremely low, but also the shock absorber joint needs to turn when machining a blind hole and a mounting hole, so that the coaxiality of the blind hole and the mounting hole is difficult to guarantee, the assembly precision is influenced, and the hidden danger of oil leakage can also exist. It is urgent to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a numerical control machining center based on a combined tool and a damper joint machined by the numerical control machining center.
The technical scheme is as follows:
the utility model provides a numerical control machining center based on gang tool, includes the lathe base, can remove the work piece clamping frock about the lathe base relatively, receives left gang tool of left cutter actuating mechanism driven and receives right gang tool of right cutter actuating mechanism driven, its main points lie in: the left combined cutter and the right combined cutter are oppositely arranged on the left side and the right side of the workpiece clamping tool, the rotating axes of the left combined cutter and the right combined cutter coincide, the left combined cutter comprises a left cutter bar, a hole milling blade is at least arranged on the left cutter bar, a cutting edge of the hole milling blade protrudes out of the outer end face and the outer peripheral face of the left cutter bar, the right combined cutter comprises a right cutter bar, and a drill bit penetrating out of the outer end face of the right cutter bar is at least arranged on the right cutter bar.
The structure above adopting, move the work piece clamping frock earlier, accomplish the trompil of mounting hole through the drill bit on the right gang tool, move work piece clamping frock left again, accomplish through the hole milling blade on the left gang tool and mill the blind hole, can accomplish the blind hole and the mounting hole processing that the bumper shock absorber connects, manufacturing procedure has not only been simplified, the course of working also need not to change the cutter, machining efficiency has been improved greatly, and the bumper shock absorber connects and only need control the translation in the course of working, need not the upset, left gang tool and right gang tool through coaxial setting, can accurately ensure the axiality of blind hole and mounting hole, ensure the machining precision and the processingquality that the bumper shock absorber connects, assembly precision has both been guaranteed, can avoid taking place oil leakage hidden danger again.
Preferably, the method comprises the following steps: the outer end of the left cutter bar is provided with at least one polishing extrusion head along the circumferential direction, and the extrusion surfaces of the polishing extrusion heads protrude out of the peripheral surface of the left cutter bar. By adopting the structure, the left combined cutter can extrude and polish the hole wall of the blind hole while milling the blind hole, the machining process of the shock absorber joint is further simplified, the machining efficiency is improved, and the machining quality is ensured.
Preferably, the method comprises the following steps: and milling hole chip guide grooves are formed in the side of the milling hole blade in a recessed mode, polishing chip guide grooves are formed in the side of the polishing extrusion head in a recessed mode, and the milling hole chip guide grooves and the polishing chip guide grooves extend inwards from the outer end face of the left cutter rod in the axial direction. By adopting the structure, smooth chip removal in the hole milling and polishing processes can be ensured, and the processing quality is ensured.
Preferably, the method comprises the following steps: the middle part of the left cutter bar is provided with a left chamfer blade, and one end of the left chamfer blade, which is close to the hole milling blade, is provided with a blind hole chamfer edge attached to the peripheral surface of the left cutter bar. By adopting the structure, the left combined cutter can complete chamfering at the inlet of the blind hole while milling the blind hole, the coaxiality is excellent, the machining process of the shock absorber joint is further simplified, the machining efficiency is improved, and the machining quality is ensured.
Preferably, the method comprises the following steps: the drill bit comprises a large hole section and a small hole section, wherein the large hole section penetrates out of the outer end face of the right cutter bar, the small hole section is located at the outer end of the large hole section, the maximum outer diameter of the large hole section is larger than that of the small hole section, and the large hole section and the small hole section are coaxially arranged. By adopting the structure, the special mounting holes with large outside and small inside can be processed at one time, the coaxiality is excellent, the processing procedure of the shock absorber connector is further simplified, the processing efficiency is improved, and the processing quality is ensured.
Preferably, the method comprises the following steps: the outer end of the right cutter bar is provided with a right chamfering blade, the outer end of the right chamfering blade is provided with a mounting hole chamfering blade, and the mounting hole chamfering blade protrudes out of the outer end face of the right cutter bar and is attached to the outer peripheral face of the large hole section. By adopting the structure, the right combined cutter can complete the chamfering at the inlet of the mounting hole while drilling the mounting hole, the coaxiality is excellent, the machining procedure of the shock absorber joint is further simplified, the machining efficiency is improved, and the machining quality is ensured.
Preferably, the method comprises the following steps: an end face blade is arranged at the outer end of the right cutter bar, and an end face cutting edge of the end face blade protrudes out of the outer end face and the outer peripheral face of the right cutter bar and leaves a gap with the outer peripheral face of the large hole section. By adopting the structure, the right combined cutter can complete the end face forming processing of the shock absorber joint while drilling the mounting hole, thereby not only improving the appearance quality of the shock absorber joint, but also improving the processing efficiency.
Preferably, the method comprises the following steps: the machine tool comprises a machine tool base and is characterized in that a tool base capable of moving left and right along the machine tool base is arranged on the machine tool base, a workpiece clamping tool is arranged on the tool base in a back-and-forth moving mode, and at least two positioning seats arranged side by side in the front-and-back direction are arranged on the workpiece clamping tool. By adopting the structure, the machining of the joints of the shock absorbers is completed through one-time feeding and discharging, and the machining efficiency is further improved.
Preferably, the method comprises the following steps: the workpiece clamping tool comprises a base, a portal frame arranged on the base and a pressing plate capable of lifting along the portal frame, wherein a clamping cylinder used for driving the pressing plate to lift is arranged on the portal frame, the positioning seat comprises an upper positioning seat body arranged on the lower surface of the pressing plate and a lower positioning seat body arranged on the upper surface of the base, and each upper positioning seat body is arranged up and down relative to the corresponding lower positioning seat body. By adopting the structure, the structure is simple and reliable, the clamping is stable, the realization is easy, and the cost is low.
The utility model provides a bumper shock absorber connects which the main points lie in: the numerical control machining center based on the combined cutter is adopted for machining.
By adopting the structure, the shock absorber joint is high in machining precision, good in machining quality and high in assembling precision, and meanwhile, the hidden danger of oil leakage can be avoided.
Compared with the prior art, the invention has the beneficial effects that:
the numerical control machining center based on the combined cutter and the shock absorber joint based on machining of the numerical control machining center based on the combined cutter are adopted, the structure is novel, the design is ingenious, the implementation is easy, the machining process is simplified, the cutter does not need to be replaced in the machining process, the machining efficiency is greatly improved, the shock absorber joint only needs to translate left and right in the machining process, the overturning is not needed, the coaxiality of the blind hole and the mounting hole can be accurately ensured through the left combined cutter and the right combined cutter which are coaxially arranged, the machining precision and the machining quality of the shock absorber joint are ensured, the assembly precision is ensured, and the oil leakage hidden danger can be avoided.
Drawings
FIG. 1 is a schematic structural diagram of a numerical control machining center;
FIG. 2 is a schematic view of the internal structure of the NC machining center;
FIG. 3 is a schematic structural view of a workpiece clamping tool;
FIG. 4 is a schematic view of a left gang tool in one view;
FIG. 5 is a schematic view of the left gang tool from another perspective;
FIG. 6 is a schematic view of a right gang tool in a view;
FIG. 7 is a schematic view of another perspective of the right gang tool;
FIG. 8 is a schematic view of the shock absorber joint from one perspective;
fig. 9 is a schematic view of another view of the shock absorber joint.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1 and 2, a combined tool-based numerical control machining center mainly includes a machining center outer shell 8, and a machine tool base 1, a tool base 2, a workpiece clamping tool 3, a left combined tool 6 driven by a left tool driving mechanism 4, and a right combined tool 7 driven by a right tool driving mechanism 5, all of which are disposed in the machining center outer shell 8. The tool base 2 can move left and right under the control of the left and right driving mechanisms along the machine tool base 1, and the workpiece clamping tool 3 can move front and back under the control of the front and back driving mechanisms along the tool base 2. The left combined tool 6 and the right combined tool 7 are oppositely arranged on the left side and the right side of the workpiece clamping tool 3, and the rotating axes of the left combined tool 6 and the right combined tool 7 are overlapped, so that the coaxiality of a blind hole 9a and a mounting hole 9b machined by the shock absorber joint can be guaranteed.
Referring to fig. 1-3, at least two positioning seats 3a are arranged on the workpiece clamping tool 3 in parallel along the front-back direction. Specifically, the workpiece clamping tool 3 includes a base 3b, a gantry 3c arranged on the base 3b and a pressing plate 3d capable of ascending and descending along the gantry 3c, a clamping cylinder 3e for driving the pressing plate 3d to ascend and descend is arranged on the gantry 3c, the positioning seats 3a include upper positioning seat bodies 3a1 arranged on the lower surface of the pressing plate 3d and lower positioning seat bodies 3a2 arranged on the upper surface of the base 3b, and each upper positioning seat body 3a1 is respectively arranged opposite to the corresponding lower positioning seat body 3a2 from top to bottom.
Referring to fig. 4 and 5, the left combined cutting tool 6 includes a left tool bar 61, at least a hole milling insert 62 is disposed on the left tool bar 61, and a cutting edge 62a of the hole milling insert 62 protrudes from an outer end surface and an outer peripheral surface of the left tool bar 61.
Further, in order to mill the blind hole 9a and polish the hole wall 9a1 of the blind hole 9a, at least one polishing extrusion head 63 is arranged at the outer end of the left cutter bar 61 along the circumferential direction, and the extrusion surfaces 63a of the polishing extrusion heads 63 are all protruded out of the outer circumferential surface of the left cutter bar 61. The polishing extrusion head 63 is made of alloy material and has extremely high hardness.
In order to ensure smooth chip removal in the processes of hole milling and polishing, a hole milling chip guide groove 66 is formed by recessing the hole milling blade 62, a polishing chip guide groove 64 is formed by recessing the polishing extrusion head 63, and the hole milling chip guide groove 66 and the polishing chip guide groove 64 both extend inwards from the outer end surface of the left cutter bar 61 along the axial direction. The width and depth of the milling flutes 66 are much larger than those of the polishing flutes 64, because only minute burrs and the like are removed during polishing, and the polishing flutes 64 do not need to be large.
Further, in order to chamfer the inlet of the blind hole 9a while milling the blind hole 9a, a blind hole inlet chamfer 9c is formed. Therefore, the middle of the left cutter bar 61 is provided with a left chamfer insert 65, and one end of the left chamfer insert 65 close to the hole milling insert 62 has a blind hole chamfer edge 65a attached to the outer peripheral surface of the left cutter bar 61. In this embodiment, the left chamfer blade 65 is fixed to the outer peripheral surface of the left cutter bar 61 by a lock pin, and is stable and reliable.
Referring to fig. 6 and 7, the right combined cutter 7 includes a right cutter bar 71, at least a drill 72 penetrating from an outer end surface of the right cutter bar 71 is disposed on the right cutter bar 71, and a mounting hole 9b can be drilled on an end surface of the damper joint by the drill 72.
Specifically, referring to fig. 8, since the mounting hole 9b is a special-shaped hole with a large outer portion and a small inner portion, that is, the mounting hole 9b includes a large hole portion 9b1 and a small hole portion 9b2 in order from the outside to the inside, a step is formed between the large hole portion 9b1 and the small hole portion 9b 2. Therefore, the drill bit 72 includes a large hole section 72a penetrating from the outer end face of the right cutter bar 71 and a small hole section 72b located at the outer end of the large hole section 72a, and the maximum outer diameter of the large hole section 72a is larger than that of the small hole section 72b, and the two are coaxially arranged.
Further, in order to chamfer the entrance of the mounting hole 9b while drilling the mounting hole 9b, a mounting hole entrance chamfer 9d is formed. Therefore, the outer end of the right cutter bar 71 is provided with a right chamfer blade 73, the outer end of the right chamfer blade 73 is provided with a mounting hole chamfer edge 73a, and the mounting hole chamfer edge 73a protrudes out of the outer end surface of the right cutter bar 71 and is attached to the outer peripheral surface of the large hole section 72 a.
Furthermore, in order to complete the forming process of the end surface 9e of the damper joint while drilling the mounting hole 9b, the outer end of the right cutter bar 71 is provided with an end surface blade 74, and an end surface cutting edge 74a of the end surface blade 74 protrudes from the outer end surface and the outer peripheral surface of the right cutter bar 71 and has a gap with the outer peripheral surface of the large hole section 72 a.
Referring to fig. 8 and 9, a shock absorber joint is machined by the above-mentioned numerical control machining center based on the combined tool.
The piston rod of the clamping cylinder 3e pulls the pressing plate 3d upwards, a worker can place the shock absorber joint to be processed on each upper positioning seat body 3a1 respectively, then the piston rod of the clamping cylinder 3e pushes the pressing plate 3d downwards, and each lower positioning seat body 3a2 fixes the corresponding shock absorber joint on the upper positioning seat body 3a1 respectively. The left and right driving mechanisms drive the workpiece clamping tool 3 to move rightwards firstly, the workpiece clamping tool is gradually close to the right combined cutter 7, and the mounting hole 9b, the mounting hole inlet chamfer 9d and the end face 9e of the shock absorber joint are machined at one time. And the left and right driving mechanisms drive the workpiece clamping tool 3 to move leftwards and gradually approach the left combined tool 6, and all the procedures of milling the blind hole 9a, polishing the hole wall 9a1 of the blind hole 9a and machining the inlet chamfer 9c of the blind hole are completed at one time. The processing time of a shock absorber joint is shortened from about 20min to about 30s, so that the processing efficiency is greatly improved, the processing coaxiality is ensured, and the processing quality and the processing precision are ensured.
And then, when the next shock absorber joint is machined, the front and rear driving mechanisms are started, so that the shock absorber joint to be machined is positioned between the left combined cutter 6 and the right combined cutter 7. And after all the shock absorber joints in the numerical control machining center are machined, the machined shock absorber joints are taken out by workers.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (10)
1. The utility model provides a numerical control machining center based on gang tool, includes the lathe base, can remove the work piece clamping frock about the lathe base relatively, receives left gang tool of left cutter actuating mechanism driven and receives right gang tool of right cutter actuating mechanism driven, its characterized in that: the left combined cutter and the right combined cutter are oppositely arranged on the left side and the right side of the workpiece clamping tool, the rotating axes of the left combined cutter and the right combined cutter coincide, the left combined cutter comprises a left cutter bar, a hole milling blade is at least arranged on the left cutter bar, a cutting edge of the hole milling blade protrudes out of the outer end face and the outer peripheral face of the left cutter bar, the right combined cutter comprises a right cutter bar, and a drill bit penetrating out of the outer end face of the right cutter bar is at least arranged on the right cutter bar.
2. The gang tool-based, numerically controlled machining center of claim 1, wherein: the outer end of the left cutter bar is provided with at least one polishing extrusion head along the circumferential direction, and the extrusion surfaces of the polishing extrusion heads protrude out of the peripheral surface of the left cutter bar.
3. The gang tool-based, numerically controlled machining center of claim 2, wherein: and milling hole chip guide grooves are formed in the side of the milling hole blade in a recessed mode, polishing chip guide grooves are formed in the side of the polishing extrusion head in a recessed mode, and the milling hole chip guide grooves and the polishing chip guide grooves extend inwards from the outer end face of the left cutter rod in the axial direction.
4. The gang tool-based, numerically controlled machining center of claim 1, wherein: the middle part of the left cutter bar is provided with a left chamfer blade, and one end of the left chamfer blade, which is close to the hole milling blade, is provided with a blind hole chamfer edge attached to the peripheral surface of the left cutter bar.
5. The gang tool-based, numerically controlled machining center of claim 1, wherein: the drill bit comprises a large hole section and a small hole section, wherein the large hole section penetrates out of the outer end face of the right cutter bar, the small hole section is located at the outer end of the large hole section, the maximum outer diameter of the large hole section is larger than that of the small hole section, and the large hole section and the small hole section are coaxially arranged.
6. The gang tool-based, numerically controlled machining center of claim 5, wherein: the outer end of the right cutter bar is provided with a right chamfering blade, the outer end of the right chamfering blade is provided with a mounting hole chamfering blade, and the mounting hole chamfering blade protrudes out of the outer end face of the right cutter bar and is attached to the outer peripheral face of the large hole section.
7. The gang tool-based, numerically controlled machining center of claim 5, wherein: an end face blade is arranged at the outer end of the right cutter bar, and an end face cutting edge of the end face blade protrudes out of the outer end face and the outer peripheral face of the right cutter bar and leaves a gap with the outer peripheral face of the large hole section.
8. The gang tool-based, numerically controlled machining center of claim 1, wherein: the machine tool comprises a machine tool base and is characterized in that a tool base capable of moving left and right along the machine tool base is arranged on the machine tool base, a workpiece clamping tool is arranged on the tool base in a back-and-forth moving mode, and at least two positioning seats arranged side by side in the front-and-back direction are arranged on the workpiece clamping tool.
9. The gang tool-based, numerically controlled machining center of claim 8, wherein: the workpiece clamping tool comprises a base, a portal frame arranged on the base and a pressing plate capable of lifting along the portal frame, wherein a clamping cylinder used for driving the pressing plate to lift is arranged on the portal frame, the positioning seat comprises an upper positioning seat body arranged on the lower surface of the pressing plate and a lower positioning seat body arranged on the upper surface of the base, and each upper positioning seat body is arranged up and down relative to the corresponding lower positioning seat body.
10. A shock absorber connects which characterized in that: the combined tool based numerical control machining center is adopted for machining.
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| CN202010400421.9A CN111515693B (en) | 2020-05-13 | 2020-05-13 | Numerical control machining center based on gang tool and shock absorber joint of processing thereof |
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|---|---|---|---|
| CN202010400421.9A CN111515693B (en) | 2020-05-13 | 2020-05-13 | Numerical control machining center based on gang tool and shock absorber joint of processing thereof |
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| CN111515693A true CN111515693A (en) | 2020-08-11 |
| CN111515693B CN111515693B (en) | 2021-11-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112792373A (en) * | 2021-03-29 | 2021-05-14 | 成都裕鸢航空智能制造股份有限公司 | Aircraft engine casing spot facing machining tool, machining device and machining method |
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