CN108115424A - Rotary type multi-station lathe station precise positioning retaining mechanism - Google Patents
Rotary type multi-station lathe station precise positioning retaining mechanism Download PDFInfo
- Publication number
- CN108115424A CN108115424A CN201810102677.4A CN201810102677A CN108115424A CN 108115424 A CN108115424 A CN 108115424A CN 201810102677 A CN201810102677 A CN 201810102677A CN 108115424 A CN108115424 A CN 108115424A
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- CN
- China
- Prior art keywords
- station
- planker
- circumferentially positioned
- guide rail
- lathe
- 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.)
- Pending
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
- B23Q1/30—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members controlled in conjunction with the feed mechanism
-
- 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
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/08—Indexing equipment having means for clamping the relatively movable parts together in the indexed position
- B23Q16/10—Rotary indexing
- B23Q16/102—Rotary indexing with a continuous drive
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The present invention provides a kind of rotary type multi-station lathe station precise positioning retaining mechanism, its core technology is that accurate guide positioner is circumferentially being had additional between work planker and rotary table, realize the mechanical automatic compensation and locking of rotary table rotation error, it is ensured that the processing dynamics head of each station can be in preferable position with parts to be processed.It can complete all processing tasks of existing eight machine tools, workpiece only needs clamped one time, eliminate clamping error, the resetting error that can make conversion station using mechanical precise positioning and locking scheme between each station and rotary table is less than 5 microns, the machining accuracy of lathe can reach Element Design requirement, it is simple in structure, repetitive positioning accuracy is high, reliable lock, of low cost, production efficiency, it manipulates easy to maintain, one operating personnel can manipulate 5 10 simultaneously, and the amount of labour used can be greatly reduced, promote the cost efficiency of enterprise.
Description
Technical field：
The present invention relates to a kind of multistation metal working machine tool, belong to mechanical processing machine field more particularly to rotary
Multistation intermetallic composite coating building-block machine.
Background technology：
In large quantities of substantial amounts of machine components manufacture fields, in order to improve processing efficiency and precision, people can use combination
Special purpose machine tool is processed, such as the porous series processing on box parts, and the valve casing hole system processing of oil pump nozzle, these are belonged to
Large quantities of mass production types, rotary type multi-station metal working machine tool are the structure type preferentially selected in building-block machine, it is accounted for
Ground area is small, and production efficiency is high.
With the implementation that made in China 2025 is planned, the continuous improvement of the accuracy of manufacture of engineering goods, for processing equipment
The machining accuracy of the building-block machine of part must adapt to the demand for development of new situations.
On the other hand, how to be that all enterprises preferentially examine with machinery substitution people with the continuous improvement of China's labour cost
The scheme of worry, it is especially prominent in mechanic factory workers, because existing conventional mechanical industry belongs to technology-intensive type and work
Intensive industry, enterprises using the labor are more demanding to the overall qualities of practitioner, should possess professional technique quality, able to bear hardships again
It endures hardships, for the wage of worker also above other industries, operation cost of enterprises is high, all wants to push away as mechanic factory workers such as oil pump nozzles
The upgrading of row process equipment substitutes general machinery equipment with high-precision special purpose transfer machine, to improve machining accuracy, improves
Production efficiency reduces production cost.
In existing rotary type multi-station Combined machining lathe, the repetitive positioning accuracy of station conversion is to determine combination machine
The bed most basic key technical index of machining accuracy, station is more, and repetitive positioning accuracy is poorer, and at present, developed country is such as in the world
The rotary type multi-station lathe that Germany, the U.S., Japan produce all is whole accurate fixed using high-precision infrared acquisition and computer
The combination of position tracing compensation system ensures station conversion positioning come accumulated error caused by eliminating the conversion of each station, with this system
Precision, so as to ensure the machining accuracy of each station.But the price of these import equipments is high, and separate unit price is 100~10,000,000
Member, general enterprises are difficult to bear, and this kind equipment puts forward higher requirements the technical quality of operator, and enterprise is not corresponding
Technical attendant, once failure consequence is well imagined.A kind of station suitable for rotary building-block machine can be looked for
It is high to convert repetitive positioning accuracy, good reliability, low-cost mechanical precise positioning retaining mechanism is domestic Machine Design people
The technology focus of the universal concern of member.
Applicant is engaged in mechanical processing many decades, and the rotary type multi-station building-block machine of external import is made again in recent years
Conscientiously investigation, research and analysis are carried out with situation, the multistation modular machine tool machining accuracy of import depends primarily upon station and turns
The repetitive positioning accuracy and the reliability of repetitive positioning accuracy changed, these equipment be all using infrared acquisition and computer whole process with
The combination of track computing compensates come the station transformed error to rotary table, so as to ensure rotary table and each station it
Between be accurately positioned.This error compensation system belongs to electronic infrared tracing compensation system, and technology is although advanced, but system is answered
Miscellaneous, controlling unit is more.Applicants studied a kind of mechanical precise positioning and locking machines of rotary type multi-station Combined machining lathe
Structure is compared and analyzed by repetition test, it is ensured that multi-stage utilized tooling machine tool is in station transfer process so that rotation
The resetting error of workbench and each station is less than 5 microns.
The content of the invention：
The object of the present invention is to provide a kind of rotary type multi-station lathe station precise positioning retaining mechanism, it is ensured that rotation
The resetting error of revolving worktable and each station is less than 5 microns.
The technical solution that the present invention takes is as follows：
A kind of rotary type multi-station lathe station precise positioning retaining mechanism, it is characterized in that：Including pedestal lathe bed, station bottom
Seat, circumferentially positioned guide rail, circumferentially positioned planker, circumferential work planker, circumferential switchboards of job guide rail, power part, accurate-location device,
Locking device and rotary table, station pedestal are fixed on pedestal lathe bed, and circumferentially positioned planker is arranged on the upper of station pedestal
Side is equipped with circumferentially positioned guide rail, the setting direction of circumferentially positioned guide rail and rotation between station pedestal and circumferentially positioned planker
The longitudinal axis of workbench is vertical, circumferential work planker is equipped in the top of circumferentially positioned planker, in circumferentially positioned planker and week
Circumferential switchboards of job guide rail, the setting direction of circumferential switchboards of job guide rail and circumferentially positioned guide rail parallel are equipped between work planker, in week
Radial direction switchboards of job guide rail is equipped with to work planker, the setting direction of radial direction switchboards of job guide rail is vertical with circumferential switchboards of job guide rail, in circumferential direction
The top of work planker is equipped with power part, is circumferentially being connected between work planker and power part by radial direction switchboards of job guide rail
It connects, accurate-location device is arranged between circumferentially positioned planker and rotary table, and locking device is arranged on station pedestal and week
Between positioning planker.
Further, the accurate-location device includes precision positioning set and the precision positioning pin that stretches, and stretch precision positioning pin
Or precision positioning set is fixed on station pedestal, precision positioning set or the precision positioning pin that stretches are fixed on rotary table, essence
Close positioning sleeve and flexible precision positioning pin precision-fit.
Further, it is cone match to stretch between precision positioning pin and precision positioning set.
Further, stretch between precision positioning pin and precision positioning set for grinding grade cone match.
Further, the cooperation conical surface to stretch between precision positioning pin and precision positioning set is equipped with wearing layer.
Further, the precision positioning pin that stretches moves dynamic component driving by linear telescopic.
Further, the linear telescopic moves dynamic component as cylinder or oil cylinder.
Further, the locking device is locking cylinder or locking cylinder.
Further, the cylinder part of locking cylinder or locking cylinder is fixed on station pedestal, locking cylinder or locking
The piston rod vertical distribution of oil cylinder.
Further, the locking device is locking cylinder.
The installation and debugging method of each station accurate-location device is as follows in multistation modular machine tool：
According to the station number N of multistation modular machine tool, on the basis of the installation reference line of first station, by rotary work
Platform is divided into N equal portions, determines the design rotational angle of each station, and equal portions division is carried out to rotary table with precision indexing method
Graduation mark, by the correspondence scale on center line (along moving direction) the alignment rotary table of the circumferential work planker of the station
Accurate-location device is mounted between circumferentially positioned planker and rotary table by line, it is ensured that precision positioning covers and flexible precision
Positioning pin axis centre overlaps and the correspondence graduation mark on alignment rotary table.
Its precise positioning locking process is as follows：
When multistation modular machine tool carries out station conversion, rotary table is carried out determining angular turn by pre-provisioning request, but
Due to rotary table, in the process of progress station conversion, there is always angular errors so that the processing dynamics component of each station cannot
It is accurately positioned with part to be processed, can thus make to be processed position generation position error, directly influence the position of product processing
Precision is put, since the present invention is additionally arranged circumferentially positioned guide rail between circumferentially positioned planker and station pedestal, and circumferentially positioned is led
Rail is arranged in parallel with circumferential switchboards of job guide rail, even if so certain when being generated in the rotation process that rotary table is converted in station
Angular error, be arranged on accurate-location device between circumferentially positioned planker and rotary table just can like clockwork will be by mistake
Difference eliminates, because being fixed with precision positioning set on rotary table side, flexible precision is fixed on circumferentially positioned planker
Positioning pin, and be conical surface precision-fit between precision positioning set and the precision positioning pin that stretches, the axis after their conical surface precision-fits
Line is overlapped with the Theoretical Design radial position line of the station, and flexible precision positioning pin is equipped on circumferentially positioned planker, when flexible
When in the circumferentially fixed motionless precision positioning set of precision positioning pin insertion, with regard to flexible precision positioning pin can be forced along precision positioning set
Inner conical surface be automatically adjusted on the Theoretical Design circumferential direction phase angle of the station, that is, circumferentially positioned planker is forced to pass through circumferentially positioned
The free skating transposition section of guide rail, when circumferentially positioned planker is automatically shifted to correct position, be arranged on station seat board with it is circumferentially positioned
Locking device between planker securely locks the two, and the processing dynamics component being so fixed on circumferential work planker just can essence
Really it is located on predetermined position and is processed, it preferable can realizes automatic compensation rotary table in station transfer process because each
Kind reason causes the various precision degradation phenomenas that dislocation occurs and triggers between processing dynamics component and rotary table, meanwhile,
Rotary table rotation error is to cover and stretch the cooperation of precision positioning pin by purely mechanic precision positioning to eliminate, therefore is turned
The repeatable accuracy that dynamic error makes up is high, and reliable and stable, this mechanism structure is simple.
It is accurately positioned with locking mode instead of developed country in the world using purely mechanic using the infrared spy of high-precision
Survey and computer all-the-way tracking compensation system combination technique solve rotary type multi-station combination with more economical reliable scheme
The resetting accumulated error problem of the station conversion of lathe, since what is generated between circumferential work planker and rotary table turns
Dynamic error is by accurate conehead positioning pin and taper hole positioning sleeve fit system circumferentially positioned planker to be driven to make adaptable bit
Put it is micro make up slip, through applicant actually use verify, repetitive positioning accuracy is between 0.5~2 micron, when circumferentially positioned
When planker is in correct position, by other locking devices such as locking cylinder by circumferentially positioned carriage lock, make circumferentially positioned planker
Become the circumferential slide pedestal of circumferential work planker with station fixed seat, can thus eliminate because rotary table is compared with each work
Circumferential error between the processing dynamics component of position, the station for reliablely and stablely meeting rotary type multi-station building-block machine are precisely fixed
Position and locking requirement.Positioning and locking scheme rotary type multi-station building-block machine using the present invention can meet or exceed import and set
Standby repetitive positioning accuracy, its repetitive positioning accuracy is high, and good reliability is of low cost, accelerates China mechanical with getting twice the result with half the effort
Manufacturing technology upgrading process to improving machining accuracy, production efficiency, reduces the amount of labour used, promotes this increasing of the drop of enterprise
Effect.
Description of the drawings
Fig. 1 is the top view of rotary eight station modular machine tool；
Fig. 2 is A-A sectional views in Fig. 1；
Fig. 3 is the location structure schematic diagram of B-B sectional views, i.e. benchmark station in Fig. 1；
In figure：1- pedestal lathe beds；2- station pedestals；The circumferentially positioned guide rails of 3-；The circumferentially positioned plankers of 4-；5- circumferentially drag by work
Plate；6- circumferential direction switchboards of job guide rail；7- power parts；8- accurate-location devices；9- locking devices；10- rotary tables；11- is radially
Bearing；12- end faces bearing；13- fixed center axis；51- radial direction switchboards of job guide rail；81- precision positioning sets；82- stretches precision positioning
Pin.
Specific embodiment：
The specific embodiment illustrated the present invention below in conjunction with attached drawing.
Embodiment 1：A kind of rotary type multi-station lathe station precise positioning retaining mechanism, as shown in Figure 1, Figure 2 and Figure 3,
It is led including pedestal lathe bed 1, station pedestal 2, circumferentially positioned guide rail 3, circumferentially positioned planker 4, circumferential work planker 5, circumferential work
Rail 6, power part 7, accurate-location device 8, locking device 9, rotary table 10 and fixed center axis 13, station pedestal 2 are solid
It is scheduled on pedestal lathe bed 1, circumferentially positioned planker 4 is arranged on the top of station pedestal 2, in station pedestal 2 and circumferentially positioned planker 4
Between be equipped with circumferentially positioned guide rail 3, the setting direction of circumferentially positioned guide rail 3 is vertical with the radial centre lines of place station, in week
Circumferential work planker 5 is equipped with to the top of positioning planker 4, is equipped between circumferentially positioned planker 4 and circumferential work planker 5 circumferential
Switchboards of job guide rail 6, the setting direction of circumferential switchboards of job guide rail 6 is parallel with circumferentially positioned guide rail 3, and footpath is equipped on circumferentially work planker 5
To switchboards of job guide rail 51, the setting direction of radial direction switchboards of job guide rail 51 is vertical with circumferential switchboards of job guide rail 6, in the upper of circumferentially work planker 5
Side is equipped with power part 7, is circumferentially being connected between work planker 5 and power part 7 by radial direction switchboards of job guide rail 51, precisely fixed
Position device 8 is arranged between circumferentially positioned planker 4 and rotary table 10, and locking device 9 is arranged on station pedestal 2 to be determined with circumferential
Between the planker 4 of position, the accurate-location device 8 includes precision positioning set 81 and flexible precision positioning pin 82, precision positioning of stretching
Pin 82 is fixed on circumferentially positioned planker 4, and precision positioning set 81 is fixed on the side of rotary table 10, precision positioning set 81
Endoporus be grinding grade taper hole, the precision positioning pin 82 that stretches is grinding grade taper pin, and stretch precision positioning pin 82 and precision positioning set
It is grinding grade cone match between 81, stretch the piston rod that precision positioning pin 82 is positional cylinder；The locking device 9 is locking
Oil cylinder, the cylinder part of locking cylinder are fixed on circumferentially positioned planker 4, the piston rod vertical distribution of locking cylinder, rotate work
Make platform 10 to be mounted in fixed center axis 13 by journal bearing 11 and end face bearing 12.
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment,
In multistation modular machine tool, for basic station, it can save and circumferentially determine guide rail 3, by circumferentially positioned planker 4 and station pedestal
2 integrated designs, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.
It should be pointed out that for those skilled in the art, institute without departing from the principles of the present invention
The technical solution of the functions replacement such as all proposed all belongs to the scope of protection of the present invention.
Claims (10)
1. a kind of rotary type multi-station lathe station precise positioning retaining mechanism, it is characterized in that：Including pedestal lathe bed (1), station
Pedestal (2), circumferentially positioned guide rail (3), circumferentially positioned planker (4), circumferential work planker (5), circumferential switchboards of job guide rail (6), power
Component (7), accurate-location device (8), locking device (9) and rotary table (10), station pedestal (2) are fixed on pedestal lathe bed
(1) on, circumferentially positioned planker (4) is arranged on the top of station pedestal (2), station pedestal (2) and circumferentially positioned planker (4) it
Between be equipped with circumferentially positioned guide rail (3), the setting direction and the longitudinal axis of rotary table (10) of circumferentially positioned guide rail (3) are hung down
Directly, circumferential work planker (5) is equipped in the top of circumferentially positioned planker (4), in circumferentially positioned planker (4) and circumferential work planker
(5) circumferential switchboards of job guide rail (6) is equipped between, the setting direction of circumferential switchboards of job guide rail (6) is parallel with circumferentially positioned guide rail (3),
Circumferential work planker (5) is equipped with radial direction switchboards of job guide rail (51), and the setting direction of radial direction switchboards of job guide rail (51) is led with circumferential work
Rail (6) vertically, in the top of circumferentially work planker (5) is equipped with power part (7), in circumferentially work planker (5) and power part
(7) it is connected between by radial direction switchboards of job guide rail (51), accurate-location device (8) is arranged on circumferentially positioned planker (4) and rotation
Between workbench (10), locking device (9) is arranged between station pedestal (2) and circumferentially positioned planker (4).
2. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 1, it is characterized in that：It is described accurate
Positioner (8) includes precision positioning set (81) and flexible precision positioning pin (82), and stretch precision positioning pin (82) or accurate fixed
Position set (81) is fixed on station pedestal (2), and precision positioning set (81) or flexible precision positioning pin (82) are fixed on rotary work
On platform (10), precision positioning set (81) and flexible precision positioning pin (82) precision-fit.
3. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 2, it is characterized in that：Flexible precision
It is cone match between positioning pin (82) and precision positioning set (81).
4. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 3, it is characterized in that：Flexible precision
It is grinding grade cone match between positioning pin (82) and precision positioning set (81).
5. according to the rotary type multi-station lathe station precise positioning retaining mechanism of claim 3 or 4, it is characterized in that：It is flexible
The cooperation conical surface between precision positioning pin (82) and precision positioning set (81) is equipped with wearing layer.
6. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 2, it is characterized in that：Flexible precision
Positioning pin (82) moves dynamic component driving by linear telescopic.
7. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 6, it is characterized in that：The straight line
Flexible dynamic dynamic component is cylinder or oil cylinder.
8. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 1, it is characterized in that：The locking
Device (9) is locking cylinder or locking cylinder.
9. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 1, it is characterized in that：Locking cylinder
Or the cylinder part of locking cylinder is fixed on station pedestal (2), the piston rod vertical distribution of locking cylinder or locking cylinder.
10. rotary type multi-station lathe station precise positioning retaining mechanism according to claim 1, it is characterized in that：The lock
Tight device (9) is locking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102677.4A CN108115424A (en) | 2018-02-01 | 2018-02-01 | Rotary type multi-station lathe station precise positioning retaining mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810102677.4A CN108115424A (en) | 2018-02-01 | 2018-02-01 | Rotary type multi-station lathe station precise positioning retaining mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108115424A true CN108115424A (en) | 2018-06-05 |
Family
ID=62234180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810102677.4A Pending CN108115424A (en) | 2018-02-01 | 2018-02-01 | Rotary type multi-station lathe station precise positioning retaining mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN108115424A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715310A (en) * | 2018-06-12 | 2018-10-30 | 广州引航者信息科技有限公司 | 360 degree of horizontal rotary roller conveyers |
| CN113211392A (en) * | 2021-04-01 | 2021-08-06 | 长沙长泰机器人有限公司 | Positioning and fixing method for workpiece multi-station machining process |
| CN115179130A (en) * | 2022-07-26 | 2022-10-14 | 江苏京创先进电子科技有限公司 | Indexing table with locking mechanism and thinning machine |
-
2018
- 2018-02-01 CN CN201810102677.4A patent/CN108115424A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108715310A (en) * | 2018-06-12 | 2018-10-30 | 广州引航者信息科技有限公司 | 360 degree of horizontal rotary roller conveyers |
| CN113211392A (en) * | 2021-04-01 | 2021-08-06 | 长沙长泰机器人有限公司 | Positioning and fixing method for workpiece multi-station machining process |
| CN113211392B (en) * | 2021-04-01 | 2023-11-21 | 长沙长泰机器人有限公司 | Positioning and fixing method for workpiece multi-station machining process |
| CN115179130A (en) * | 2022-07-26 | 2022-10-14 | 江苏京创先进电子科技有限公司 | Indexing table with locking mechanism and thinning machine |
| CN115179130B (en) * | 2022-07-26 | 2023-11-10 | 江苏京创先进电子科技有限公司 | Indexing table with locking mechanism and thinning machine |
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Application publication date: 20180605 |