CN107052832A - A kind of tool rest tensioning mechanism for vertical lathe - Google Patents
A kind of tool rest tensioning mechanism for vertical lathe Download PDFInfo
- Publication number
- CN107052832A CN107052832A CN201710234624.3A CN201710234624A CN107052832A CN 107052832 A CN107052832 A CN 107052832A CN 201710234624 A CN201710234624 A CN 201710234624A CN 107052832 A CN107052832 A CN 107052832A
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- CN
- China
- Prior art keywords
- tool rest
- tapered portion
- blind rivet
- flange portion
- top surface
- 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.)
- Granted
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- 210000000078 claw Anatomy 0.000 claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 8
- 102220318172 rs147648476 Human genes 0.000 abstract 1
- 230000003252 repetitive effect Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a kind of tool rest tensioning mechanism for vertical lathe, including pulling claw, blind rivet and tool rest, the upper end of blind rivet has been wholely set first flange portion, the bottom of pulling claw is wholely set the bulge loop of convex, top surface of the bottom surface in first flange portion just to bulge loop, tool rest includes the first tapered portion being wholely set up and down, second flange portion and installation portion, the bottom of sleeve offers the up-small and down-big taper hole being adapted with the first tapered portion, first tapered portion gap, which coordinates, to be arranged in taper hole, the bottom of blind rivet is fixed in the first tapered portion, the top surface in second flange portion and the bottom surface of sleeve fit, turning tool rod is installed on installation portion.The blind rivet of the tensioning mechanism can bear sufficiently large broach force, ensure that tool rest obtains enough engagement surface pressures, the big cutting output of vertical lathe is cut to be achieved, its maximum perpendicular broach force that can be born can reach 10 tons or so, the broach force for 2.5 tons of the maximum that can bear far above the MAS403 blind rivets of traditional standard P50T 2.
Description
Technical field
The present invention relates to a kind of tool rest tensioning mechanism, specifically a kind of tool rest tensioning mechanism for vertical lathe.
Background technology
In digital control vertical turning center, tool rest and ram to couple the tightening force of form and tool rest on ram big
It is small that conclusive effect is played to the rigid quality of tooling system technique.
The structure type of tool-broaching mechanism has two kinds in the market.The first is to be tensed by standard taper shank with standard blind rivet
Tool rest realizes that, for example, tensing tool rest to realize with standard P50T-2-MAS403 blind rivets with standard BT50 taper shanks, its structure is shown
It is intended to as shown in figure 1, in Fig. 1,1 is 30 degree of blind rivets, and 2 be BT50 taper shanks, and 3 be positioning key（Each one of left and right）, 4 be lathe tool seat, 5
It is pulling claw for pull bar, 6,7 be ram.Second is that big T-slot is processed on turning tool rod, is tensed with big T-shaped blind rivet
Structure type, transition tray bottom is fixed with two V-arrangement locating pieces, and the upper end of lathe tool seat offers two V-arrangement positioning spigots, transition
Disk is touched with lathe tool seat for V-arrangement face tap, and its structural representation is as shown in Fig. 2 in Fig. 2,1 is pull bar, and 2 be T-shaped blind rivet, and 3 be V
Shape positioning spigot, 4 be lathe tool seat, and 5 be turning tool rod, and 6 be transition disc, and 7 be ram.
The structure type of both the above tool-broaching mechanism, the tightening force of the first routinely blind rivet standard can only be provided, and be connect
Contacting surface only has BT50 taper shank part, and one side broach force is small, and another aspect contact surface is single, the cutting that can be born in processing
Power is not big enough, tends not to meet the processing request of big cutting output.Second of blind rivet is a larger T-shaped blind rivet, contact
Face is double V-shaped groove structures, although can realize larger broach force, but the manufacture difficulty of cutter is larger, it is impossible to realize standardization,
And during automatic tool changer turning tool rod flexible stroke it is big, tool change time is long, and is not easy to maintenance, and interchangeability is poor.
The content of the invention
The technical problems to be solved by the invention are：In view of the shortcomings of the prior art there is provided a kind of for vertical lathe
Tool rest tensioning mechanism, the maximum perpendicular broach force that the tool rest tensioning mechanism can be born can reach 10 tons or so, far above tradition
The broach force for 2.5 tons of the maximum that standard P50T-2-MAS403 blind rivets can bear.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：A kind of tool rest fastener for vertical lathe
Structure, including pulling claw, blind rivet and tool rest, the top of described pulling claw are connected with pull bar, and the upper end of described blind rivet is from described drawing
The bottom of pawl is stretched into described pulling claw, is provided with sleeve on the outside of described pull bar and described pulling claw, described sleeve
Outside is provided with ram, and described tool rest is arranged on the bottom of described sleeve, and the upper end of described blind rivet has been wholely set the
One flange portion, the bottom of described pulling claw is wholely set the bulge loop of convex, the bottom surface in described first flange portion and described
The top surface of bulge loop is plane, and the top surface of the bottom surface in described first flange portion just to described bulge loop, described tool rest includes
The first tapered portion, second flange portion and the installation portion being wholely set up and down, the bottom of described sleeve are offered and described
The up-small and down-big taper hole that one tapered portion is adapted, the first described tapered portion gap, which coordinates, to be arranged in described taper hole, institute
The bottom for the blind rivet stated is fixed in the first described tapered portion, the bottom of the external diameter and described sleeve in described second flange portion
The external diameter in portion is identical, and the top surface in described second flange portion is plane, the top surface and described sleeve in described second flange portion
Bottom surface fit, turning tool rod is installed on described installation portion.
The first tapered portion gap on tool rest tensioning mechanism disclosed by the invention, its tool rest, which coordinates, to be arranged in taper hole, knife
Seat possesses auto-lock function after tensing, improve the reliability during tool rest use；The top surface and set in the second flange portion on tool rest
The bottom surface of cylinder is in close contact, and the external diameter in second flange portion is identical with the external diameter of the bottom of sleeve.The first tapered portion on tool rest
With second flange portion simultaneously and barrel contacts, and contact area is larger, and the contact rigidity of tool rest can be improved to greatest extent, it is ensured that
Tool rest realizes bump contact and obtains maximum bending rigidity.The repetitive positioning accuracy of the double contact type tool rest is high, and its is heavy
Multiple positioning precision is 0.005mm.Further, since the blind rivet of the tool rest tensioning mechanism is the zero degree blind rivet for being solely subjected to vertical tension,
The bottom surface in first flange portion during broaching tool on blind rivet is contacted with the top surface of the bulge loop on pulling claw, therefore the blind rivet can bear sufficiently large
Broach force, it is ensured that tool rest obtains enough engagement surface pressure, cuts the big cutting output of vertical lathe and is achieved.
Compared with traditional standard P50T-2-MAS403 blind rivets and institute are with cutter claw, the tool rest fastener of the present invention of different size
Structure, the maximum perpendicular broach force that can be born can reach 10 tons or so, far above traditional standard P50T-2-MAS403 blind rivets institute energy
The broach force of 2.5 tons of the maximum born.
Preferably, the taper of the first described tapered portion is 1:4.First tapered portion uses taper 1:It is the 4 big conical surface, short
Cone design, it is possible to achieve the standardization customization of part, is easy to manufacture and maintenance.
Preferably, the bottom of described blind rivet is threadedly coupled with the first described tapered portion.The screw thread of blind rivet and tool rest
Connected mode, is easy to the assembling of blind rivet and tool rest, and can be further ensured that blind rivet is solely subjected to vertical tension.
Preferably, there is gap between the top surface of the top surface of the first described tapered portion and described taper hole, it is described
The integral middle of the upper end of first tapered portion is provided with the second tapered portion, and the integral middle of described blind rivet is provided with the 3rd flange
Portion, the external diameter of described the second tapered portion is more than the external diameter of the 3rd described flange portion, the bottom surface of described the 3rd flange portion with
The top surface of the second described tapered portion fits, and described blind rivet passes through the second described tapered portion and the first described tapered portion
Threaded connection.The setting in gap and the second tapered portion between the top surface of the first tapered portion and the top surface of taper hole, can be prevented effectively from
Interference of the tool rest to sleeve.In addition, the setting of the second tapered portion, is conveniently adjusted and ensures blind rivet setting height(from bottom), while reducing knife
The contact area of seat and blind rivet, it is ensured that blind rivet is solely subjected to vertical tension.Because the external diameter of the second tapered portion is more than the 3rd flange portion
External diameter, the bottom surface of the 3rd flange portion and the top surface of the second tapered portion fit, and end face positioning to blind rivet can be achieved and spacing,
Convenient for assembly while, tool rest rigidity ensure that.
Compared with prior art, the advantage of the invention is that：Tool rest fastener disclosed by the invention for vertical lathe
The contact area of structure, its tool rest and sleeve is big, the contact rigidity of tool rest can be improved to greatest extent, it is ensured that tool rest realizes large area
Contact and obtain maximum bending rigidity, while the repetitive positioning accuracy of the double contact type tool rest is high, its repetitive positioning accuracy
For 0.005mm；Its blind rivet is solely subjected to vertical tension, can bear sufficiently large broach force, it is ensured that tool rest obtains enough composition surfaces
Pressure, cuts the big cutting output of vertical lathe and is achieved.The tool rest tensioning mechanism of the present invention of different size, can bear most
Big vertical broach force can reach 10 tons or so, the maximum 2.5 that can bear far above traditional standard P50T-2-MAS403 blind rivets
The broach force of ton.
Brief description of the drawings
Fig. 1 is traditional standard P50T-2-MAS403 blind rivet mounted configuration schematic diagrames；
Fig. 2 is traditional T-shaped blind rivet mounted configuration schematic diagram；
Fig. 3 is the structural representation one of tool rest tensioning mechanism in embodiment；
Fig. 4 is the structural representation two of tool rest tensioning mechanism in embodiment.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
The tool rest tensioning mechanism for vertical lathe of embodiment 1, as illustrated, including pulling claw 1, blind rivet 2 and tool rest, drawing
The top of pawl 1 is connected with pull bar 4, and the upper end of blind rivet 2 is stretched into pulling claw 1 from the bottom of pulling claw 1, the outside peace of pull bar 4 and pulling claw 1
Equipped with sleeve 5, the outside of sleeve 5 is provided with ram 6, and tool rest is arranged on the bottom of sleeve 5, and the upper end of blind rivet 2 has been wholely set
First flange portion 21, the bottom of pulling claw 1 is wholely set the bulge loop 11 of convex, the bottom surface in first flange portion 21 and the top of bulge loop 11
Face is plane, and the top surface of the bottom surface in first flange portion 21 just to bulge loop 11, tool rest includes the first taper being wholely set up and down
Portion 31, second flange portion 32 and installation portion 33, the bottom of sleeve 5 offer be adapted with the first tapered portion 31 up-small and down-big
Taper hole 51, the gap of the first tapered portion 31, which coordinates, to be arranged in taper hole 51, the top surface of the first tapered portion 31 and the top surface of taper hole 51 it
Between there is gap 52, the bottom of blind rivet 2 is threadedly coupled with the first tapered portion 31, the external diameter in second flange portion 32 and the bottom of sleeve 5
The external diameter in portion is identical, and the top surface in second flange portion 32 is plane, and the bottom surface of the top surface and sleeve 5 in second flange portion 32 fits,
Turning tool rod 7 is installed on installation portion 33.
In embodiment 1, the integral middle of the upper end of the first tapered portion 31 is provided with the second tapered portion 34, the middle part of blind rivet 2
The 3rd flange portion 22 is wholely set, the external diameter of the second tapered portion 34 is more than the external diameter of the 3rd flange portion 22, the 3rd flange portion 22
Bottom surface and the top surface of the second tapered portion 34 fit, blind rivet 2 is threadedly coupled through the second tapered portion 34 with the first tapered portion 31.
The tool rest tensioning mechanism for vertical lathe of embodiment 2, as illustrated, it is essentially identical with the structure of embodiment 1,
Difference is, in embodiment 2, and the taper of the first tapered portion 31 is 1:4, the big conical surface, the design of short cone meet the current world
General taper requirement, it is possible to achieve the standardization customization of part, is easy to manufacture and maintenance.
During above-mentioned tool rest tensioning mechanism broaching tool, bottom surface and the bulge loop 11 on pulling claw 1 in the first flange portion 21 on blind rivet 2
Top surface is contacted, and the first tapered portion 31 on tool rest is arranged in the taper hole 51 of the bottom of sleeve 5 and is in close contact with sleeve 5, on tool rest
The bottom surface of top surface and sleeve 5 in second flange portion 32 be in close contact, blind rivet 2 can bear sufficiently large broach force and be solely subjected to
Vertical tension, it can be ensured that tool rest obtains enough engagement surface pressures, and the bending rigidity of tool rest is big, repetitive positioning accuracy is high, makes
The big cutting output cutting of vertical lathe is achieved.
The above-mentioned tool rest tensioning mechanism of different size, the maximum perpendicular broach force that can be born can reach 10 tons or so, far
The broach force for 2.5 tons of the maximum that can bear higher than traditional standard P50T-2-MAS403 blind rivets.
Claims (4)
1. a kind of tool rest tensioning mechanism for vertical lathe, including pulling claw, blind rivet and tool rest, the top of described pulling claw and drawing
Bar is connected, and the upper end of described blind rivet is stretched into from the bottom of described pulling claw in described pulling claw, described pull bar and described
It is provided with the outside of pulling claw on the outside of sleeve, described sleeve and ram is installed, described tool rest is arranged on described sleeve
Bottom, it is characterised in that the upper end of described blind rivet has been wholely set first flange portion, the bottom of described pulling claw is wholely set
There is a bulge loop of convex, the top surface of the bottom surface in described first flange portion and described bulge loop is plane, described first flange
Top surface of the bottom surface in portion just to described bulge loop, described tool rest includes the first tapered portion, the second flange being wholely set up and down
Portion and installation portion, the bottom of described sleeve offer the up-small and down-big taper hole being adapted with the first described tapered portion, institute
The the first tapered portion gap stated, which coordinates, to be arranged in described taper hole, and the bottom of described blind rivet is fixed on the first described taper
In portion, the external diameter in described second flange portion is identical with the external diameter of the bottom of described sleeve, the top in described second flange portion
Face is plane, and the bottom surface of the top surface and described sleeve in described second flange portion fits, and is provided with described installation portion
Turning tool rod.
2. a kind of tool rest tensioning mechanism for vertical lathe according to claim 1, it is characterised in that described first
The taper of tapered portion is 1:4.
3. a kind of tool rest tensioning mechanism for vertical lathe according to claim 1, it is characterised in that described blind rivet
Bottom be threadedly coupled with the first described tapered portion.
4. a kind of tool rest tensioning mechanism for vertical lathe according to claim 3, it is characterised in that described first
There is gap, the integral middle of the upper end of described the first tapered portion is set between the top surface of the top surface of tapered portion and described taper hole
The second tapered portion is equipped with, the integral middle of described blind rivet is provided with the 3rd flange portion, and the external diameter of the second described tapered portion is big
In the external diameter of the 3rd described flange portion, the bottom surface of described the 3rd flange portion and the top surface of the second described tapered portion are affixed
Close, described blind rivet is threadedly coupled through the second described tapered portion with the first described tapered portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234624.3A CN107052832B (en) | 2017-04-12 | 2017-04-12 | Tool apron tensioning mechanism for vertical lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710234624.3A CN107052832B (en) | 2017-04-12 | 2017-04-12 | Tool apron tensioning mechanism for vertical lathe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052832A true CN107052832A (en) | 2017-08-18 |
| CN107052832B CN107052832B (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710234624.3A Active CN107052832B (en) | 2017-04-12 | 2017-04-12 | Tool apron tensioning mechanism for vertical lathe |
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| Country | Link |
|---|---|
| CN (1) | CN107052832B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109664133A (en) * | 2018-12-27 | 2019-04-23 | 齐齐哈尔二机床(集团)有限责任公司 | A kind of vertical milling-lathe machining center attachment clamp system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107052832B (en) | 2023-05-30 |
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