CN113500443B - Feed mechanism for chipless cutting machine - Google Patents
Feed mechanism for chipless cutting machine Download PDFInfo
- Publication number
- CN113500443B CN113500443B CN202110805311.5A CN202110805311A CN113500443B CN 113500443 B CN113500443 B CN 113500443B CN 202110805311 A CN202110805311 A CN 202110805311A CN 113500443 B CN113500443 B CN 113500443B
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- Prior art keywords
- steering gear
- linear guide
- cutting machine
- guide rail
- sliding
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- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000010354 integration Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000008358 core component Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/36—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element
-
- 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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the technical field of cutting machine production, in particular to a cutting feed mechanism for a chipless cutting machine, which comprises a cutter rest, a servo motor, a precise steering gear, a bearing seat, a bearing, a ball type linear guide rail and a cutting knife. The invention is more beneficial to accurate control by changing the driving mode, and reduces the driving stroke of the feed mechanism while the feed depth is unchanged.
Description
Technical Field
The invention relates to the technical field of cutting machine production, in particular to a feed mechanism for a chipless cutting machine.
Background
The chipless cutting machine is one of the cutting machines and is characterized by small cutting noise, numerical control operation and a cutting mechanism which is a core component in the chipless cutting machine and is used for controlling the depth of cutting so as to realize accurate cutting.
The existing chipless cutting machine generally adopts the cooperation of an oil cylinder or an air cylinder and a sliding rail and a sliding block as a feed mechanism, but the design has the following defects: 1. the stroke of the feed mechanism is longer, but the internal space of the equipment is limited, and the whole equipment volume can be increased to adapt to the installation of the feed mechanism, so that the equipment occupies larger space and the production cost is higher; 2. the oil cylinder or the air cylinder is used as a driving device, so that the feeding accuracy of the feeding mechanism cannot be accurately controlled, and meanwhile, the automatic control is inconvenient.
Therefore, there is a need to design a feeding mechanism for chipless cutting machine to solve the above problems.
Disclosure of Invention
The invention aims to provide a feed mechanism for a chipless cutting machine, which aims to solve the problems that the feed mechanism provided in the background art is long in stroke and large in size, and the feed accuracy of the feed mechanism cannot be accurately controlled.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a chipless cutting machine feed mechanism, includes knife rest, servo motor, accurate steering gear, bearing frame, bearing, feed screw, ball linear guide, ball linear slide rail and cutting knife, the surface fixed of knife rest has the bearing frame, feed screw passes through the bearing and rotates with the bearing frame to be connected, the surface swing joint of feed screw has first slider, and the top of first slider is fixed with the slide, be provided with the core on the slide, the cutting knife is fixed in on the core, one side that the surface of knife rest is close to the bearing frame is fixed with accurate steering gear, the one end of accurate steering gear is connected fixedly through bolt and servo motor, and servo motor's output passes through the input linkage of shaft coupling with accurate steering gear, servo motor is ninety degrees with feed screw and arranges, feed screw's surface has seted up two sections equidirectional screw threads, and two sections screw threads are adjacent, and the screw thread length that keeps away from accurate steering gear one side is close to the twice of accurate steering gear side screw thread length, and is greater than the screw thread diameter that keeps away from accurate steering gear one side, the external screw thread diameter that keeps away from accurate steering gear one side is greater than the screw thread diameter that keeps away from accurate steering gear one side, the screw thread diameter that keeps away from one side of screw is close to the first side of the thread that the first slider is close to the first side of the sliding sleeve through the first side of screw, the second is close to the thread that the first side of sliding sleeve is equipped with accurate steering gear and the first side of screw.
Preferably, the surface integration of knife rest is connected with two bosss, and two bosss evenly distributed are in the both sides of feed screw rod, and the constant head tank has been seted up to the upper surface of boss.
Preferably, the ball type linear guide rail is embedded in the positioning groove and is fixedly connected with the boss through a bolt, the ball type linear guide rail is slidably connected with the ball type linear guide rail on the outer surface, the oiling joint is fixed on the outer surface of the ball type linear guide rail, and the lower surfaces of the two sides of the sliding plate are fixedly connected with the ball type linear guide rail through bolts.
Preferably, the length of the sliding plate is equal to the length of the ball linear guide rail.
Preferably, the outer surface of the sliding plate is provided with a guide groove in a penetrating mode, and two sides of the top of the second sliding block are connected with the inner wall of the guide groove in a sliding mode.
Preferably, the two sides of the core plate are both provided with long strips, the long strips are fixed on the sliding plate through screws, the core plate is in sliding connection with the long strips, the length of the core plate is equal to that of the long strips, and the length of the long strips is equal to that of the sliding plate.
Preferably, the length of the bearing seat from the right end of the feed screw is equal to the sum of the length of the core plate and the length of the cutting knife.
Compared with the prior art, the invention has the beneficial effects that: the feeding mechanism for the chipless cutting machine is more beneficial to accurate control by changing the driving mode, and reduces the driving stroke of the feeding mechanism while the feeding depth is unchanged.
The output end of the servo motor is linked with the precise steering gear, the feed screw is arranged in the precise steering gear, the precise steering gear works to drive the feed screw to move left and right, the servo motor and the precise steering gear are used as driving mechanisms to replace the existing oil cylinder, air cylinder or hand wheel to rotate so as to drive the screw to rotate, and the precise control of the stroke of the feed screw is facilitated, so that the precise control of the feed depth is realized;
The one-section type feed mechanism of the original screw, the slide rail and the slide block is optimized into a sectional type feed structure, two sections of equidirectional threads are designed at the output part of the feed screw, the thread length at one side far away from the precision steering gear is twice that at one side close to the precision steering gear, the thread diameter at one side close to the precision steering gear is larger than that at one side far away from the precision steering gear, the thread pitch at one side far away from the precision steering gear is twice that at one side close to the precision steering gear, when the servo motor drives the precision steering gear to work, the threads at two ends can drive the first slide block and the second slide block to slide left and right at the same time, and the movement speed of the second slide block is always twice that of the first slide block, so that the effect of reducing one third of the drive stroke of the feed mechanism is achieved while the feed depth is unchanged, the whole structure is more compact, the occupied space is reduced, and the production cost is reduced.
Meanwhile, the sectional type feeding structure also improves the feeding speed and shortens half of feeding and discharging time.
Drawings
FIG. 1 is a schematic elevational view of the structure of the present invention;
FIG. 2 is a schematic drawing of the cutter-retracting state of the present invention;
FIG. 3 is a schematic overall view of the structure of the present invention;
FIG. 4 is a schematic view of a portion of the structure of the present invention;
FIG. 5 is a schematic view of the overall structure of the feed screw and the second slider of FIG. 1 according to the present invention;
FIG. 6 is a partial schematic view of the structure of the feed screw of FIG. 5 according to the present invention;
Fig. 7 is a schematic overall view of the tool holder of fig. 1 in accordance with the invention.
In the figure: 1. a tool holder; 2. a servo motor; 3. a precision steering device; 4. a bearing seat; 5. a bearing; 6. a feed screw; 7. a first slider; 8. a second slider; 9. a slide plate; 10. a core plate; 11. a strip; 12. ball type linear guide rail; 13. a ball type linear slide rail; 14. a cutting knife.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, a feeding mechanism for a chipless cutting machine provided by the embodiment of the invention comprises a tool rest 1, a servo motor 2, a precision steering device 3, a bearing seat 4, a bearing 5, a feeding screw 6, a ball type linear guide rail 12, a ball type linear guide rail 13 and a cutting knife 14, wherein the bearing seat 4 is fixed on the outer surface of the tool rest 1, the feeding screw 6 is rotationally connected with the bearing seat 4 through the bearing 5, a first sliding block 7 is movably connected on the outer surface of the feeding screw 6, a sliding plate 9 is fixed on the top end of the first sliding block 7, a core plate 10 is arranged on the sliding plate 9, the cutting knife 14 is fixed on the core plate 10, the feeding screw 6 is in threaded connection with the first sliding block 7, and the first sliding block 7 is driven to slide through the rotation of the feeding screw 6, so that the sliding plate 9 drives the cutting knife 14 to enter and exit through the core plate 10.
One side of the outer surface of the tool rest 1, which is close to the bearing seat 4, is fixedly provided with a precise steering gear 3, one end of the precise steering gear 3 is connected and fixed with a servo motor 2 through a bolt, the output end of the servo motor 2 is linked with the input end of the precise steering gear 3 through a coupler, the servo motor 2 and a feed screw 6 are distributed in ninety degrees, two sections of equidirectional threads are formed on the outer surface of the feed screw 6, the reduction ratio of the precise steering gear 3 is 9-50, the precise steering gear 3 is driven by the servo motor 2, and the precise steering gear 3 controls the feed screw 6 to stretch and retract after power is changed, so that the precise steering gear is in the prior art and is not excessively described.
As shown in fig. 5, the two sections of threads are adjacent, the length of the thread on the side far away from the precision steering gear 3 is twice the length of the thread on the side close to the precision steering gear 3, the diameter of the thread on the side close to the precision steering gear 3 is larger than the diameter of the thread on the side far away from the precision steering gear 3, the thread pitch on the side far away from the precision steering gear 3 is twice the thread pitch on the side close to the precision steering gear 3, a second slide block 8 is sleeved on the side, far away from the first slide block 7, of the outer surface of the feed screw 6, the first slide block 7 is in threaded fit with the side close to the precision steering gear 3, the second slide block 8 is in threaded fit with the side far away from the precision steering gear 3, the top end of the second slide block 8 passes through the slide plate 9 and is fixedly provided with a core plate 10, and the core plate 10 is in sliding connection with the slide plate 9 through the second slide block 8.
Further, as shown in fig. 3 and 7, the surface of the tool rest 1 is integrally connected with two bosses, the two bosses are uniformly distributed on two sides of the feed screw 6, a positioning groove is formed in the upper surface of the boss, a ball type linear guide rail 12 is embedded in the positioning groove, positioning is more convenient, screw holes are formed in the positioning groove, the ball type linear guide rail 12 is conveniently connected and fixed with the boss through bolts, a ball type linear guide rail 13 is slidably connected to the outer surface of the ball type linear guide rail 12, an oiling joint is fixed to the outer surface of the ball type linear guide rail 13, two lower surfaces of the sliding plate 9 are connected and fixed with the ball type linear guide rail 13 through bolts, and thus two sides of the sliding plate 9 can be limited through the ball type linear guide rail 13, and meanwhile the ball type linear guide rail 13 can stably slide on the ball type linear guide rail 12.
Further, as shown in fig. 1-2, the length of the sliding plate 9 is equal to that of the ball linear guide 12, so that the occupied space of the sliding plate 9 after being completely retracted is reduced.
Further, as shown in fig. 4-5, the outer surface of the sliding plate 9 is penetrated and provided with a guide groove, two sides of the top of the second sliding block 8 are slidably connected with the inner wall of the guide groove, and the guide groove limits the movement range of the second sliding block 8.
Further, as shown in fig. 2, the two sides of the core plate 10 are both provided with the strip 11, and the strip 11 is fixed on the sliding plate 9 by a screw, the core plate 10 is slidably connected with the strip 11, so that the stability of the core plate 10 moving on the sliding plate 9 is improved, the length of the core plate 10 is equal to that of the strip 11, the length of the strip 11 is equal to that of the sliding plate 9, and the occupied space of the core plate 10 after being completely retracted is reduced.
Further, as shown in fig. 2, the length of the bearing seat 4 from the right end of the feed screw 6 is equal to the sum of the length of the core plate 10 plus the length of the cutting blade 14, so that the whole length of the feeding mechanism for the chipless cutting machine does not exceed the length of the feed screw 6, and the whole occupied space of the feeding mechanism for the chipless cutting machine is reduced to the greatest extent.
Working principle: by powering on the servo motor 2, the servo motor 2 drives the feed screw 6 to rotate through the precise steering gear 3, the output part of the feed screw 6 is designed with two sections of equidirectional threads, the thread length on one side far away from the precise steering gear 3 is twice that on one side close to the precise steering gear 3, the thread diameter on one side close to the precise steering gear 3 is larger than that on one side far away from the precise steering gear 3, the thread pitch on one side far away from the precise steering gear 3 is twice that on one side close to the precise steering gear 3, and when the servo motor 2 drives the precise steering gear 3 to work, the two sections of threads can simultaneously drive the first sliding block 7 and the second sliding block 8 to slide left and right.
Then the first slide block 7 drives the slide plate 9 to stretch out and draw back, and the second slide block 8 drives the cutting knife 14 to stretch out and draw back through the core plate 10.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a chipless cutting mechanism for cutting machine, includes knife rest (1), servo motor (2), accurate steering gear (3), bearing frame (4), bearing (5), feed screw (6), ball linear guide (12), ball linear slide (13) and cutting knife (14), the surface mounting of knife rest (1) has bearing frame (4), feed screw (6) are connected with bearing frame (4) rotation through bearing (5), the surface swing joint of feed screw (6) has first slider (7), and the top of first slider (7) is fixed with slide (9), be provided with core (10) on slide (9), cutting knife (14) are fixed in on core (10), its characterized in that: one side of the outer surface of the tool rest (1) close to the bearing seat (4) is fixedly provided with a precise steering gear (3), one end of the precise steering gear (3) is fixedly connected with a servo motor (2) through a bolt, the output end of the servo motor (2) is linked with the input end of the precise steering gear (3) through a coupler, the servo motor (2) and a feed screw (6) are distributed at ninety degrees, two sections of equidirectional threads are arranged on the outer surface of the feed screw (6), the two sections of threads are adjacent, the thread length at one side far away from the precise steering gear (3) is twice the thread length at one side close to the precise steering gear (3), the thread diameter of one side close to the precision steering gear (3) is larger than the thread diameter of one side far away from the precision steering gear (3), the thread pitch of one side far away from the precision steering gear (3) is twice that of one side close to the precision steering gear (3), a second sliding block (8) is sleeved on one side, far away from the first sliding block (7), of the outer surface of the feed screw (6), the first sliding block (7) is in threaded fit with one side close to the precision steering gear (3), the second sliding block (8) is in threaded fit with one side far away from the precision steering gear (3), the top end of the second sliding block (8) penetrates through a sliding plate (9) and is fixedly provided with a core plate (10), and the core plate (10) is connected with the sliding plate (9) in a sliding way through the second sliding block (8).
2. A feed mechanism for chipless cutting machine as claimed in claim 1 wherein: the surface integration of knife rest (1) is connected with two bosss, and two boss evenly distributed are in the both sides of feed screw rod (6), and the constant head tank has been seted up to the upper surface of boss.
3. A feed mechanism for chipless cutting machine according to claim 2 wherein: the ball linear guide rail (12) is embedded in the positioning groove, the ball linear guide rail (12) is fixedly connected with the boss through a bolt, the ball linear guide rail (13) is slidably connected with the outer surface of the ball linear guide rail (12), the oiling joint is fixedly arranged on the outer surface of the ball linear guide rail (13), and the lower surfaces of two sides of the sliding plate (9) are fixedly connected with the ball linear guide rail (13) through bolts.
4. A feed mechanism for a chipless cutting machine as claimed in claim 3 wherein: the length of the sliding plate (9) is equal to that of the ball type linear guide rail (12).
5. A feed mechanism for chipless cutting machine as claimed in claim 1 wherein: the outer surface of the sliding plate (9) is provided with a guide groove in a penetrating mode, and two sides of the top of the second sliding block (8) are connected with the inner wall of the guide groove in a sliding mode.
6. A feed mechanism for chipless cutting machine as claimed in claim 1 wherein: both sides of the core plate (10) are provided with long strips (11), the long strips (11) are fixed on the sliding plate (9) through screws, the core plate (10) is in sliding connection with the long strips (11), the length of the core plate (10) is equal to that of the long strips (11), and the length of the long strips (11) is equal to that of the sliding plate (9).
7. A feed mechanism for chipless cutting machine as claimed in claim 1 wherein: the length of the bearing seat (4) away from the tail end of the right side of the feed screw (6) is equal to the sum of the lengths of the core plate (10) and the cutting knife (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805311.5A CN113500443B (en) | 2021-07-16 | 2021-07-16 | Feed mechanism for chipless cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110805311.5A CN113500443B (en) | 2021-07-16 | 2021-07-16 | Feed mechanism for chipless cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113500443A CN113500443A (en) | 2021-10-15 |
| CN113500443B true CN113500443B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110805311.5A Active CN113500443B (en) | 2021-07-16 | 2021-07-16 | Feed mechanism for chipless cutting machine |
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| Country | Link |
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| CN (1) | CN113500443B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215967658U (en) * | 2021-07-16 | 2022-03-08 | 张家港跃邦机械有限公司 | Feed mechanism for chipless cutting machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH395685A (en) * | 1960-02-25 | 1965-07-15 | Grossdrehmaschinenbau 8 Mai Ve | Drive device for the feed movements on machine tools |
| JP2005007485A (en) * | 2003-06-16 | 2005-01-13 | Nsk Ltd | Feeding mechanism and machine tool |
| CN201392477Y (en) * | 2009-04-23 | 2010-01-27 | 江苏连港皮革机械有限公司 | Accurate displacement adjusting device |
| CN201613475U (en) * | 2009-11-11 | 2010-10-27 | 湖北瑞丰重型机床有限公司 | Machine tool feeding transmission device |
| CN202106068U (en) * | 2011-05-17 | 2012-01-11 | 河南中原吉凯恩气缸套有限公司 | Differential tool setting device |
| CN202491119U (en) * | 2012-02-07 | 2012-10-17 | 浙江金汤机床有限公司 | Small-pallet automatic cutting feed mechanism of numerical control lathe |
| CN203045397U (en) * | 2012-12-20 | 2013-07-10 | 重庆神工机械制造有限责任公司 | Chip removing cutter driving mechanism of chamfering machine |
| CN203067672U (en) * | 2013-01-06 | 2013-07-17 | 杭州前进重型机械有限公司 | High-precision right-angle transmission reduction gearbox |
| CN203426762U (en) * | 2013-06-26 | 2014-02-12 | 佛山市德兴业金属科技有限公司 | Precisely-controlled feed mechanism of pipe chipless cutting machine |
| CN204711313U (en) * | 2015-06-09 | 2015-10-21 | 苏州艾泰普机械有限公司 | Inversion type Cutter apron assembly |
| CN211516232U (en) * | 2020-01-19 | 2020-09-18 | 南京淳能电力设备有限公司 | Chipless cutting machine for pipes |
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2021
- 2021-07-16 CN CN202110805311.5A patent/CN113500443B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215967658U (en) * | 2021-07-16 | 2022-03-08 | 张家港跃邦机械有限公司 | Feed mechanism for chipless cutting machine |
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| CN113500443A (en) | 2021-10-15 |
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