CN201505724U - Hollow-shaft lathe provided with rotary cutter head with roller clamping mechanism - Google Patents
Hollow-shaft lathe provided with rotary cutter head with roller clamping mechanism Download PDFInfo
- Publication number
- CN201505724U CN201505724U CN2009201101930U CN200920110193U CN201505724U CN 201505724 U CN201505724 U CN 201505724U CN 2009201101930 U CN2009201101930 U CN 2009201101930U CN 200920110193 U CN200920110193 U CN 200920110193U CN 201505724 U CN201505724 U CN 201505724U
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- roller
- lathe
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- clamping device
- roller clamping
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Abstract
The utility model relates to a hollow-shaft lathe provided with a rotary cutter head with a roller clamping mechanism, and belongs to the technical field of machine processing equipment. The hollow-shaft lathe comprises a group of V-type or combined V-type input roller clamping conveyor belts, a three-jaw chuck bracket, a three-jaw chuck, one or a plurality of turning tools, the rotary cutter head, a main drive housing body, V-type or combined V-type output roller clamping conveyor belts and the roller clamping mechanism, wherein, the V-type or combined V-type input roller clamping conveyor belts are sequentially arrayed and installed on a lathe base; a central circular hole is formed on the three-jaw chuck bracket; the three-jaw chuck which is fixed on and is concentric with the three-jaw chuck bracket; the turning tools are distributed in a concentric manner; the central circular hole is formed on the rotary cutter head, and turning tools are fixedly installed on the rotary cutter head; a center hole is formed on the main drive housing body; the roller clamping mechanism is installed on the rotary cutter head; and the central circular holes of the mentioned components and the center lines of the V-type input roller clamping conveyor belts as well as the V-type output roller clamping conveyor belts are coaxial, so as to form a transfer passage for workpieces to be processed. The hollow-shaft lathe improves a clamping mechanism of a traditional hollow-shaft lathe, can effectively improve precision of the workpieces and surface finish quality, can reduce the noise of the hollow-shaft lathe in operation, and can effectively save cutters.
Description
Technical field
The utility model belongs to the machining equipment technical field, particularly is not in the mood for the improvement of lathe clamping device.
Background technology
Not being in the mood for lathe is mainly used in the crust processing than elongated cylindrical rod (pipe) material.When being used to process plug, owing to can improve several times compared to common process (lathe that promptly extends adds centre frame processing) efficient, so can cut down finished cost significantly; As be used for stripping off the skin of tubulation blanks such as titanium alloy, stainless steel and other high-grade alloy, and can remove cementation zone, crackle and other defective etc. easily, and then improve the quality of preparation of pipes, more and more be subjected to user's welcome.
Traditional is not in the mood for lathe structure as shown in Figure 1, it comprises and is installed in be arranged in order on the base 11 one group input V-type (or the V-type that combines) roller grip belts 121, be provided with first scroll chuck support 131 of center hole and the scroll chuck 141 of concentric distribution fixed thereon, one or concentric distribute several rough turn, half finish turning, finish turning lathe tool 15, the fixed installation lathe tool also is provided with the circular cutting disk 16 of center hole, be provided with the main transmission casing 17 of centre bore, be provided with second the scroll chuck support 132 of center hole and the scroll chuck 142 of concentric distribution fixed thereon (or being the hollow spring chuck concentric) (hereinafter to be referred as the auxiliary mechanism that helps) with carrousel sharpener dish, and output V-type (or the V-type that combines) roller grip belts 122.The center line of the center hole of above-mentioned each parts and input, output V-type roller grip belts is coaxial, constitutes the transfer passage of workpiece to be processed.
The workflow of this lathe is: blank to be processed drives blank through 121 clampings of input V-type roller grip belts and travels forward, when closing on carrousel sharpener dish, with the concentric scroll chuck 141 of carrousel sharpener dish blank is helped, to reduce the vibration of blank when the turning.Lathe tool 15 by carrousel sharpener dish 16 driven rotary blank is carried out turning after the centre bore of main transmission casing 17, is installed in the auxiliary support mechanisms grip of main transmission casing 17 opposite sides again, to reduce by the vibration of turner; With output V-type roller clamping band 122 clampings driven processed good workpiece and travelled forward, entered the finished product gathering system thereafter.
Traditional car ubiquity in turning process of not being in the mood for following point:
One, before turning, blank to be processed is steady in order to make, damping, take the scroll chuck clamping, in practical work process, if the chucking working face of scroll chuck and blank clamp fit (rigidity), then owing to excellent blank shape diameter variation or owing to shaggy reason, regular meeting causes blank feeding to block, pause, must be after operating personnel get rid of could operate as normal; Because claw and blank are the rigidity sliding frictions and are not easy to lubricate when cutting some material, for guaranteeing continuity, the unobstructed property of blank feeding, usually the way of taking is the outer rim reservation certain clearance with the chucking working face of scroll chuck and blank, produce with the phenomenon of avoiding blocking, pausing, the problem of thereupon bringing is that blank produces vibration in working angles, and part precision, fineness are reduced.The outer rim of blank is because the vibration of cutting produces noise with the collision of chucking working face.
Two, after the workpiece to be processed turning, be installed in the auxiliary support mechanisms grip of main transmission casing 17 opposite sides again, reducing, thereby wish to improve precision and fineness by the vibration of turner.But in the process that reality is carried out, usually there is following problem: the one, the reason of when cutting some material (sliding friction and be not easy to lubricate) because frictional force, the auxiliary mechanisms grip workpiece outer rim of helping, if no gap, the phenomenon that when real work, also can cause the workpiece feeding to block, pause, therefore, the auxiliary clamping endoporus of helping mechanism be cut after the workpiece outer rim also to leave certain interval, with the phenomenon of avoiding the workpiece feeding to block, pause; The 2nd, because the surface of the work of having processed has precision and fineness requirement mostly, if scratch, next procedure exerts an influence to workpiece in meeting, and the auxiliary clamping endoporus of helping mechanism be cut after workpiece outer rim sliding friction (when cutting some material that is not easy to lubricate is dry friction) easy damaged surface of the work, therefore, need leave certain interval usually.Therefore, be difficult to realize auxiliary clamping effect,, make part precision, fineness be difficult for improving so be difficult to reduce vibration.Also be difficult for reducing noise.
They are three years old, owing to the reason of not being in the mood for the lathe self structure, the cutting cutterhead is installed in main transmission casing one side, cutting cutterhead and lathe tool are in rotation status when not being in the mood for lathe work, because the needs that install and fix, traditional auxiliary holding workpiece of auxiliary support mechanism, all need implement at the opposite side (promptly away from a side of cutting cutterhead) of main transmission casing, therefore, auxiliary holding workpiece position is far away apart from O place, actual cut position usually, auxiliary clamping effect weakens more, vibration aggravation when workpiece is cut, precision, fineness is difficult to guarantee, noise strengthens, part hard-cutting material even damage cutter easily.
Summary of the invention
The purpose of this utility model is for overcoming the weak point of prior art, design a kind of lathe of not being in the mood for of the circular cutting disk that has a roller clamping device, mainly be that the clamping device that tradition is not in the mood for lathe is improved, can effectively improve workpiece accuracy, surface smoothness, reduction be not in the mood for lathe when work noise and save cutter effectively.
The circular cutting disk that has the roller clamping device of the utility model design be not in the mood for lathe, it comprises the V-type roller grip belts that is installed in be arranged in order on the lathe base one group input V-type or combines, be provided with three melon chuck supports of center hole and three melon chucks of concentric distribution fixed thereon, one or concentric distribute several lathe tool, the fixed installation lathe tool also is provided with the circular cutting disk of center hole, be provided with the main transmission casing of centre bore, and the V-type roller grip belts of exporting V-type or combining, it is characterized in that, also comprise the roller clamping device that is installed on this circular cutting disk, make workpiece by can be after the lathe tool cutting by this roller clamping mechanisms grip; The center line of the center hole of above-mentioned each parts and input, output V-type roller grip belts is coaxial, constitutes the transfer passage of workpiece to be processed.
Characteristics of the present utility model and beneficial effect:
Workpiece after the utility model not only will cut firmly grips; Under the cushion blocking that has applied pretightning force cooperates, realized rigidity and flexible harmony reliably, can improve cutting effect greatly; Especially be about to turning and finish when a workpiece, when the workpiece afterbody has broken away from the auxiliary support device of blank,, and grip firmly because that revolution rolling its roller of clamping device or bearing distance are not in the mood for lathe actual cut position is very near, thoroughly changed the drawback that in the past exists, effect is more outstanding; And slightly flexible scraper plate is equipped with in the front portion of roller, can effectively clean the surface of the work after the turning, the surface smoothness of roller or bearing is very high and very hard, can not damage surface of the work, the workpiece softer to material, can play the effect of edging, improve the fineness, workpiece accuracy, surface smoothness of workpiece, also can reduce be not in the mood for lathe when work noise and save cutter effectively, thereby produce the good social economic benefit.
Description of drawings
Fig. 1 is not in the mood for lathe general structure schematic diagram for tradition.
Fig. 2 is the lathe general structure schematic diagram of not being in the mood for of the present utility model.
Fig. 3 is a circular cutting disk example structure schematic diagram of the present utility model.
Fig. 4 is revolution rolling clamping device example structure schematic diagram, wherein,
Fig. 4 (a) be revolution rolling clamping device A-A among Fig. 3 to cut-away view,
Fig. 4 (b) is that revolution rolling clamping device B among Fig. 3 is to schematic diagram.
The specific embodiment
The circular cutting disk that has the roller clamping device that the utility model proposes be not in the mood for lathe, reach accompanying drawing in conjunction with the embodiments and be described in detail as follows:
The circular cutting disk that has the roller clamping device of the utility model design be not in the mood for the lathe example structure as shown in Figure 2, it comprises and is installed in be arranged in order on the lathe base 21 one group input V-type (or the V-type that combines) roller grip belts 221, be provided with the scroll chuck support 23 of center hole and the scroll chuck 24 of concentric distribution fixed thereon, one or distribute with one heart several (present embodiment is by rough turn lathe tool lathe tool, half finish turning lathe tool, the finish turning lathe tool is formed) 25, the fixed installation lathe tool also is provided with the circular cutting disk 26 of center hole, be provided with the main transmission casing 27 of centre bore, and output V-type (or the V-type that combines) roller grip belts 222, it is characterized in that, also comprise the roller clamping device 28 that is installed on this circular cutting disk 26, make workpiece by can be after the lathe tool cutting by these roller clamping device 28 clampings; The center line of the center hole of above-mentioned each parts and input, output V-type roller grip belts is coaxial, constitutes the transfer passage of workpiece to be processed.
The utility model with the main improvements that tradition is not in the mood for lathe is: the position of the auxiliary clamping device after will cut moves on the former cutting cutterhead from the opposite side (promptly away from a side of cutting cutterhead) of main transmission casing, makes it as far as possible near O place, actual cut position (actual have only several millimeters).
The circular cutting disk 26 of present embodiment adopts the three-jaw or the chuck transformation of the way to form, but also specialized designs, rolling clamping device 28 is made up of a plurality of revolution rolling clamping devices, replace former chuck jaws, be fixed on the former chuck jaws position, the clamping of revolution rolling clamping device realizes with the clamping and the back-off assembly that unclamp by adjusting three-jaw or chuck; The clamping of custom-designed cutting cutterhead and back-off assembly can adopt machinery, hydraulic pressure, the electronic mode of specialty to realize.Present embodiment is that three lathe tools (and tool rest) 25 are fixed on the circular cutting disk 26, and is every the concentric distribution of being separated by in installation site with each revolution rolling clamping device of lathe tool and tool rest 25, as shown in Figure 3; The distance of lathe tool cutting blade and circular cutting disk 26 installed surfaces is greater than millimeter getting final product apart from the distance number of circular cutting disk 26 installed surfaces outside the roller (or bearing) on the revolution rolling clamping device, as shown in Figure 2.
The rolling clamping device of present embodiment is made up of three revolution rolling clamping devices that distribute with one heart shown in Fig. 3,4.Each revolution rolling clamping device by scrape bits plate 31, by roller that has through hole or bearing 32, have the wheel shelf assembly that turning rolls 33, wear-resistant pad 36 and the roller shaft 34 of through hole and U type groove form, a fixed block 35 that has lead, and cushion blocking 37 compositions, as shown in Figure 4; Wherein, wear-resistant pad 36 places roller or 32 liang of rear flank of bearing to place turning rolls 33 jointly, roller shaft 34 penetrates roller or bearing 32, wear-resistant pad 36, reaches in the through hole of turning rolls 33 both sides support arms, (Fig. 4 (a)), the fastening jackscrew of screw 331 usefulness on turning rolls 33 screws in screw and fixes (Fig. 4 (b)); Turning rolls 33 places fixed block 35, (turning rolls 33 after present embodiment will make up with 4 soket head cap screws is fixed on the fixed block 35 through 4 screw holes 381), (with 4 by the hole) cushion blocking 37 is housed between fixed block 35 and the turning rolls 33, keep certain pretightning force, fixed block 35 bottoms are provided with two screws 351; The lead of the U type groove of turning rolls 33 both sides and fixed block 35 both sides leaves certain interval, when the pressure that is subjected to when the position that roller or bearing 32 contact with workpiece is excessive, wheel shelf assembly can trace movement, gives slowly-releasing by the cushion blocking 37 that keeps certain pretightning force; Scrape and consider the side (its top margin is a little more than the edge of roller or bearing) that plate 31 is installed in fixed block 35 to be worth doing; Be fixed on (as shown in Figure 3) on the circular cutting disk 26 with screw through three revolution rolling clamping devices that screw 351 will combine.
Three melon chucks 24 of present embodiment are equipped with the roller pawl 41 (claw that is about to traditional scroll chuck changes to the roller pawl) (as shown in Figure 2) that a plurality of (present embodiment is three) distribute with one heart; Its structure is as shown in Figure 4 similar, the frame for movement that is roller pawl 41 is similar to the revolution clamping device, just the direction of roller pawl 41 rollers is vertical with the direction of revolution clamping device roller, and the quantity of each roller pawl 41 upper roller is one or more (present embodiment is one).
The operation principle of present embodiment and technique effect:
Present embodiment mainly is that the clamping device that tradition is not in the mood for lathe is improved, wherein most important improvement is, the roller clamping device is directly installed on the circular cutting disk 26, and it is very near that three groups of revolution rolling its rollers of clamping device (or bearing) distance is not in the mood for lathe actual cut position; And together rotate with the lathe tool of not being in the mood for lathe, the workpiece after the cutting is firmly gripped; Under the cushion blocking that has applied pretightning force cooperates, realized rigidity and flexible harmony reliably, can improve cutting effect greatly; Especially be about to turning and finish when a workpiece, when blank afterbody to be processed has broken away from the clamping of three-jaw of scroll chuck 24, because it is very near that roller (or bearing) distance of revolution rolling clamping device is not in the mood for lathe actual cut position, and grip firmly, thoroughly changed the drawback that in the past exists, effect is more outstanding; And the front portion of revolution rolling clamping device is equipped with the slightly flexible bits plate of scraping, and can effectively clean the surface of the work after the turning; The surface smoothness of the roller (or bearing) of revolution rolling clamping device is very high and very hard, can not damage surface of the work; Roller (or bearing) is U type or circular arc type with the contact-making surface section shape of workpiece, if employing is the roller (arc radius is smaller as far as possible) of circular arc type with the contact-making surface section shape of workpiece, the effect of edging be can play by strengthening thrust, thereby the fineness and the workpiece quality of workpiece further improved.
Present embodiment also changes to the roller pawl 41 that has vibration-damping function with the claw of scroll chuck 24, roller grips blank firmly, owing to change into rolling friction by original sliding friction (and being dry friction mostly), the size of blank surface and roughness error can automatically adjust by the cushion blocking of device between the roller pawl, temper toughness with gentleness.By above-mentioned improvement, can effectively improve workpiece accuracy, surface smoothness, reduction be not in the mood for lathe when work noise and save cutter effectively, thereby produce the good social economic benefit.
The utility model also saves the auxiliary support mechanism that tradition is not in the mood for being installed in the lathe main transmission casing opposite side, makes structure compact more, and reduces cost.
Claims (4)
1. a circular cutting disk that has a roller clamping device is not in the mood for lathe, it comprises the V-type roller grip belts that is installed in be arranged in order on the lathe base one group input V-type or combines, be provided with three melon chuck supports of center hole and three melon chucks of concentric distribution fixed thereon, one or concentric distribute several lathe tool, the fixed installation lathe tool also is provided with the circular cutting disk of center hole, be provided with the main transmission casing of centre bore, and the V-type roller grip belts of exporting V-type or combining, it is characterized in that, also comprise the roller clamping device that is installed on this circular cutting disk; The center line of the center hole of above-mentioned each parts and input, output V-type roller grip belts is coaxial, constitutes the transfer passage of workpiece to be processed.
2. be not in the mood for lathe according to claim 1, it is characterized in that, described rolling clamping device, form by three revolution rolling clamping devices that distribute with one heart, each revolution rolling clamping device is by scraping bits plate, the roller that has through hole or bearing, the turning rolls and the wear-resistant pad that have through hole and U type groove, have the fixed block of lead at roller shaft, and cushion blocking is formed; Wherein, wear-resistant pad places roller or bearing two rear flank to place turning rolls jointly, and roller shaft penetrates in the hole of roller or bearing, wear-resistant pad, turning rolls fixing; Turning rolls places fixed block, between fixed block and the turning rolls cushion blocking is housed; The U type groove of turning rolls both sides and the lead of fixed block both sides leave the gap; Scrape and consider the side that plate is installed in fixed block to be worth doing.
3. as described in claim 2, be not in the mood for lathe, it is characterized in that, described every the concentric distribution of being separated by in installation site of lathe tool with each revolution rolling clamping device; The distance of lathe tool cutting blade and circular cutting disk installed surface greater than outside roller on the revolution rolling clamping device or the bearing apart from the distance of circular cutting disk installed surface.
4. be not in the mood for lathe according to claim 1, it is characterized in that, described scroll chuck is equipped with the roller pawl of a plurality of concentric distributions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201101930U CN201505724U (en) | 2009-07-24 | 2009-07-24 | Hollow-shaft lathe provided with rotary cutter head with roller clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201101930U CN201505724U (en) | 2009-07-24 | 2009-07-24 | Hollow-shaft lathe provided with rotary cutter head with roller clamping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201505724U true CN201505724U (en) | 2010-06-16 |
Family
ID=42466859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201101930U Expired - Fee Related CN201505724U (en) | 2009-07-24 | 2009-07-24 | Hollow-shaft lathe provided with rotary cutter head with roller clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201505724U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618791A (en) * | 2016-03-28 | 2016-06-01 | 邯郸鸿力轴承有限公司 | Planetary centerless lathe with machining radius adjusting function |
| CN108582344A (en) * | 2018-07-15 | 2018-09-28 | 赖旭亮 | The green outer ring of thick bamboo tube bamboo eliminating equipment together |
| CN109570529A (en) * | 2018-12-26 | 2019-04-05 | 广东坚美铝型材厂（集团）有限公司 | A kind of multistage railway carriage device |
| CN114042939A (en) * | 2021-11-01 | 2022-02-15 | 航天材料及工艺研究所 | Turning device and method in low-temperature pipeline heat insulation layer |
| CN114247909A (en) * | 2021-12-31 | 2022-03-29 | 杭州电子科技大学 | Adjustable three-point support cutting tool for soft material with large length-diameter ratio and cutting method thereof |
| CN114619058A (en) * | 2022-03-30 | 2022-06-14 | 贺州市旭平首饰有限公司 | Wire rod machine of turning patterns for ornament |
| CN116551388A (en) * | 2023-07-05 | 2023-08-08 | 启东良友机电工具有限公司 | Combined machining equipment for electric shaft production |
-
2009
- 2009-07-24 CN CN2009201101930U patent/CN201505724U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105618791A (en) * | 2016-03-28 | 2016-06-01 | 邯郸鸿力轴承有限公司 | Planetary centerless lathe with machining radius adjusting function |
| CN105618791B (en) * | 2016-03-28 | 2017-11-28 | 邯郸鸿力轴承有限公司 | A kind of adjustable planetary Centreless lathe of radius of machining |
| CN108582344A (en) * | 2018-07-15 | 2018-09-28 | 赖旭亮 | The green outer ring of thick bamboo tube bamboo eliminating equipment together |
| CN109570529A (en) * | 2018-12-26 | 2019-04-05 | 广东坚美铝型材厂（集团）有限公司 | A kind of multistage railway carriage device |
| CN114042939A (en) * | 2021-11-01 | 2022-02-15 | 航天材料及工艺研究所 | Turning device and method in low-temperature pipeline heat insulation layer |
| CN114247909A (en) * | 2021-12-31 | 2022-03-29 | 杭州电子科技大学 | Adjustable three-point support cutting tool for soft material with large length-diameter ratio and cutting method thereof |
| CN114619058A (en) * | 2022-03-30 | 2022-06-14 | 贺州市旭平首饰有限公司 | Wire rod machine of turning patterns for ornament |
| CN116551388A (en) * | 2023-07-05 | 2023-08-08 | 启东良友机电工具有限公司 | Combined machining equipment for electric shaft production |
| CN116551388B (en) * | 2023-07-05 | 2023-09-05 | 启东良友机电工具有限公司 | Combined machining equipment for electric shaft production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100616 Termination date: 20170724 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |