CN110355431B - Automatic grinding device for thimble spiral groove - Google Patents
Automatic grinding device for thimble spiral groove Download PDFInfo
- Publication number
- CN110355431B CN110355431B CN201810316961.1A CN201810316961A CN110355431B CN 110355431 B CN110355431 B CN 110355431B CN 201810316961 A CN201810316961 A CN 201810316961A CN 110355431 B CN110355431 B CN 110355431B
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- Prior art keywords
- roller
- spiral
- spring
- thimble
- seat
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- 238000005520 cutting process Methods 0.000 claims abstract description 28
- 239000002390 adhesive tape Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 5
- 239000000956 alloy Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/02—Thread cutting; Automatic machines specially designed therefor on an external or internal cylindrical or conical surface, e.g. on recesses
- B23G1/04—Machines with one working-spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G1/00—Thread cutting; Automatic machines specially designed therefor
- B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G2210/00—Details of threads produced
- B23G2210/08—External threads
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of hardware dies, in particular to an automatic grinding device for a thimble spiral groove, which mainly comprises a cutting wheel and a mounting seat arranged in front of the cutting wheel, wherein the mounting seat and the cutting wheel are arranged in an offset manner by a certain angle, and the mounting seat comprises a left clamping part, a right clamping part and an upper clamping part which jointly clamp a thimble, so that the tail surface of the thimble just aims at the bottom cutting of the cutting wheel. The invention has low cost, can process the thimble spiral groove on a common grinding machine, has accurate and stable positioning, quick clamping, no need of hand holding in the processing process, completely realizes automation, greatly improves the production efficiency and saves the time and the labor cost.
Description
Technical Field
The invention relates to the field of hardware dies, in particular to an automatic grinding device for a thimble spiral groove.
Background
In the field of dies, the thimble is a necessary spare part for each set of die, and the spiral groove is processed on the surface of the thimble, which is a process which is often needed. The thimble is a part with high hardness, the hardness is as high as HRC50, and the traditional processing method comprises the following steps: the alloy cutter of the lathe can be used for lathe machining, but the time for lathe machining and clamping is needed, the efficiency is low, and meanwhile, the cost of the alloy cutter is high; the special grinding machine can be used for direct grinding, but the cost of the machine tool is high; the manual oblique pendulum processing can be further utilized on the common grinding machine, but the thimble is required to be lightly held by hands in the processing process so as not to deviate, thus the manual labor is hard, the processed spiral pitches are also unequal, the appearance is attractive, and the efficiency is low.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the automatic thimble spiral groove grinding device which is low in cost and can be processed on a common grinding machine.
In order to achieve the above object, the present invention can be achieved by the following technical scheme:
The utility model provides an automatic grinder of thimble helical groove, includes the cutting wheel and sets up the preceding mount pad of cutting wheel, the mount pad is put with the cutting wheel skew certain angle, the mount pad is including forming left clamping part, right clamping part and the last clamping part of centre gripping to the thimble jointly, makes the afterbody surface of thimble just in time aim at the bottom cutting surface of cutting wheel.
Further, the left clamping part comprises a left seat, a first roller support and a first spiral roller, the first roller support comprises a first roller installation part and a first guide rod, the first roller installation part is connected up and down, the first spiral roller is installed on the first roller installation part, a first guide groove is formed in the left seat, and the first guide rod is installed in the first guide groove and can slide up and down.
Further, right clamping part includes right seat, second gyro wheel support and second spiral gyro wheel, second gyro wheel support is including connecting from top to bottom's second gyro wheel installation department and second guide bar, the second spiral gyro wheel is installed at second gyro wheel installation department, be equipped with the second guide slot in the right seat, the second guide bar is installed in the second guide slot and can slide from top to bottom.
Further, a first spring groove with the same direction as the first guide groove is formed in the left seat, a first spring is arranged in the first spring groove, and the top of the first spring is contacted with the bottom of the first roller mounting part; the right seat is internally provided with a second spring groove with the direction identical to that of the second guide groove, a second spring is arranged in the second spring groove, and the top of the second spring is contacted with the bottom of the second roller mounting part.
Further, the first spring and the second spring are linear springs, the diameter of the first spring and the second spring is 1.2mm, and the outer diameter of the second spring is 12mm.
Further, the upper clamping part comprises a panel, a third roller support and a third spiral roller, wherein the third roller support is arranged at the bottom of the panel, and the third spiral roller is arranged on the third roller support.
Further, bearings are arranged at two ends of the first spiral roller, the second spiral roller and the third spiral roller.
Further, the adhesive tapes are wound on the spiral grooves of the first spiral roller, the second spiral roller and the third spiral roller, and protrude out of the surfaces of the spiral rollers by 1mm.
Further, the left end of the panel is hinged with the upper end of the left seat, the right end of the panel is connected with the upper end of the right seat through a lock catch, and the lower end of the left seat is fixedly connected with the lower end of the right seat.
Further, the mounting seat is mounted on a base, and the base is parallel to the cutting wheel.
Compared with the prior art, the invention has the beneficial effects that: the automatic thimble clamping device has the advantages that the cost is low, the thimble spiral groove can be machined on the common grinding machine, the positioning is accurate and stable, the clamping is quick, the machining process is not carried out by hands, the automation is completely realized, the production efficiency is greatly improved, and the time and the labor cost are saved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a force-bearing exploded view of the ejector pin;
FIG. 4 is an exploded view of FIG. 1;
FIG. 5 is a cross-sectional view of the mount of the present invention;
FIG. 6 is a schematic view of a portion of the structure of the present invention;
FIG. 7 is a schematic view of the structure of the left and right seats of the present invention;
In the figure: 1-ejector pin, 2-cutting wheel, 3-mount, 31-left grip, 311-left mount, 312-first roller support, 3121-first roller mount, 3122-first guide bar, 313-first spiral roller, 314-first guide slot, 315-first spring slot, 316-first spring, 32-right grip, 321-right mount, 322-second roller support, 3221-second roller mount, 3222-second guide bar, 323-second spiral roller, 324-second guide slot, 325-second spring slot, 326-second spring, 33-upper grip, 331-panel, 332-third roller support, 333-third spiral roller, 34-bearing, 35-adhesive tape, 36-latch, 4-base.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
As shown in fig. 1-2, the automatic grinding device for the thimble spiral groove comprises a cutting wheel 2 and a mounting seat 3 arranged in front of the cutting wheel 2. Because the cutting wheel 2 is only rotated clockwise and does not move forward, the thimble 1 needs to move in two directions to achieve the spiral groove machining, i.e. the rotation plus the forward movement. To apply this advancing force, the ejector pin 1 needs to be displaced by an angle a, as shown in fig. 3, where the ejector pin 1 receives the force T of the cutting wheel 2, in the counterclockwise direction, and the force is decomposed to obtain two forces: the force T sin (a) in the advancing direction and the force T cos (a) rotating counterclockwise, thus moving the ejector pin 1 in both directions simultaneously, thereby machining the spiral groove. Therefore, the mounting seat 3 and the cutting wheel 2 are arranged in a certain offset angle (namely an angle A), so that the thimble 1 is clamped on the mounting seat 3 to realize a certain offset angle (namely an angle A) with the cutting wheel 2. The mounting seat 3 comprises a left clamping part 31, a right clamping part 32 and an upper clamping part 33 which jointly clamp the thimble 1, so that the tail surface of the thimble 1 is exactly aligned with the bottom cutting surface of the cutting wheel 2.
As shown in fig. 4 to 7, the left grip 31 includes a left seat 311, a first roller bracket 312 and a first screw roller 313, the first roller bracket 312 includes a first roller mounting portion 3121 and a first guide bar 3122 connected up and down, and the first screw roller 313 is mounted on the first roller mounting portion 3121 through a roller and a nut. The left seat 311 is provided with a first guide groove 314 therein, and the first guide bar 3122 is installed in the first guide groove 314 and is slidable up and down. The assembly tolerance of the left seat 311 is 0 to 0.02. For the purpose of more stable structure, the first guide bar 3122 is provided with two at least on the left and right sides of the bottom of the first roller mounting portion 3121, and thus the first guide groove 314 is also provided with two at the left and right sides. The left seat 311 is provided with a first spring groove 315 aligned with the first guide groove 314, the first spring groove 315 is provided with a first spring 316, and the top of the first spring 316 contacts the bottom of the first roller mounting portion 3121. The first spring groove 315 and the first spring 316 are preferably provided with two springs, and stably support the first roller bracket 312, so that the ejector pins 1 with different diameters can be clamped. The first spring 316 is a linear spring with a diameter of 1.2mm, an outer diameter of 12mm, small strength and 2mm pre-pressing, and the thimble 1 is only needed to be slightly fixed, so that the thimble 1 can move forwards.
The right clamping part 32 includes a right seat 321, a second roller bracket 322 and a second spiral roller 323, the second roller bracket 322 includes a second roller mounting part 3221 and a second guide rod 3222 connected up and down, and the second spiral roller 323 is mounted on the second roller mounting part 3221 through a roller and a nut. The right seat 321 is provided with a second guide groove 324 therein, and a second guide rod 3222 is mounted in the second guide groove 324 and is slidable up and down. The assembly tolerance of the right seat 321 is 0 to 0.02. For the sake of more stable structure, the second guide rods 3222 are provided at least in the left and right sides of the bottom of the second roller mounting portion 3221, and therefore the second guide grooves 324 are also provided in the left and right sides. The right seat 321 is provided with a second spring groove 325 in the same direction as the second guide groove 324, the second spring groove 325 is provided with a second spring 326 therein, and the top of the second spring 326 contacts with the bottom of the second roller mounting portion 3221. The second spring groove 325 and the second spring 326 are preferably provided with two, and stably support the second roller bracket 322, so that the ejector pins 1 with different diameters can be clamped. The second spring 326 is a linear spring with a diameter of 1.2mm, an outer diameter of 12mm, a small force, and a pre-pressing of 2mm, and only needs to slightly fix the thimble 1, so that the thimble 1 can move forward.
The upper clamping part 33 includes a panel 331, a third roller bracket 332 and a third screw roller 333, the third roller bracket 332 is mounted at the bottom of the panel 331 by screws, and the third screw roller 333 is mounted on the third roller bracket 332 by rollers.
Bearings 34 are mounted at both ends of the first, second and third screw rollers 313, 323 and 333 to allow the screw rollers to be easily rotated. The adhesive tape 35 is wound on the spiral grooves of the first, second and third spiral rollers 313, 323 and 333, the adhesive tape 35 protrudes from the surface of the spiral roller by 1mm, and friction force is increased, so that the spiral rollers are driven by the thimble 1 to move together, and the thimble 1 is stably supported to process beautiful spiral grooves.
For convenient clamping, the left end of the panel 331 is hinged to the upper end of the left seat 311 through a rotating shaft, the right end of the panel 331 is connected to the upper end of the right seat 321 through a lock catch, and the lower end of the left seat 311 is fixedly connected to the lower end of the right seat 321 through a screw.
For convenient movement, the mounting base 3 is mounted on the base 4 by screws, and the base 4 is parallel to the cutting wheel 2.
The installation method of the invention comprises the following steps:
1) The three pieces of adhesive tape 35 are wound on the first spiral roller 313, the second spiral roller 323 and the third spiral roller 333 respectively, and stuck and wound tightly.
2) Bearings 34 are respectively arranged at two ends of the first spiral roller 313, the second spiral roller 323 and the third spiral roller 333, the first spiral roller 313 and the first roller bracket 312, the second spiral roller 323 and the second roller bracket 322, the third spiral roller 333 and the third roller bracket 332 are respectively aligned with axes, the rolling shafts are arranged in, the rolling shafts penetrate through the rollers and the brackets, and nuts are screwed.
3) The first spring 316 fits into the first spring slot 315 and the second spring 326 fits into the second spring slot 325; the first guide bar 3122 is inserted into the first guide groove 314, and the second guide bar 3222 is inserted into the second guide groove 324; the left clamping part 31 and the right clamping part 32 are assembled together and positioned and fixed by screws and pipe nails.
4) The third roller bracket 332 with the third spiral roller 333 is fixed on the panel 331 through three screws, the whole upper clamping part 33, the left clamping part 31 and the right clamping part 32 are combined to the axle center, the rotating shaft is driven in, the lock catch 36 is installed, and the panel 331 and the right seat 321 are buckled.
5) The whole installation seat 3 is arranged on the base 4, and is positioned and fixed by screws and pipe nails, thus completing the assembly.
According to the invention, as long as the upper clamping part 33 is opened by an angle around the rotating shaft, the thimble 1 is placed on the first spiral roller 313 and the second spiral roller 323, the thimble 1 is adjusted to be placed at the starting position of processing of the cutting wheel 1, the clamping part 33 is closed, the lock catch 36 is buckled, and the thimble 1 is stably and accurately positioned by the three groups of rollers, so that the spiral groove can be processed. The quick clamping thimble only takes one minute, so that the cost is low, the working efficiency is greatly improved, and the full automation is completely realized.
Various other corresponding changes and modifications will occur to those skilled in the art from the foregoing disclosure and are intended to be within the scope of the appended claims.
Claims (7)
1. An automatic grinding device for a thimble spiral groove, which is characterized in that: the device comprises a cutting wheel and a mounting seat arranged in front of the cutting wheel, wherein the mounting seat and the cutting wheel are arranged in an offset manner by a certain angle, and the mounting seat comprises a left clamping part, a right clamping part and an upper clamping part which are used for clamping a thimble together, so that the tail surface of the thimble is exactly aligned to the bottom cutting surface of the cutting wheel;
The left clamping part comprises a left seat, a first roller bracket and a first spiral roller, the first roller bracket comprises a first roller mounting part and a first guide rod which are connected up and down, the first spiral roller is mounted on the first roller mounting part, a first guide groove is arranged in the left seat, and the first guide rod is mounted in the first guide groove and can slide up and down;
The right clamping part comprises a right seat, a second roller bracket and a second spiral roller, the second roller bracket comprises a second roller mounting part and a second guide rod which are connected up and down, the second spiral roller is mounted on the second roller mounting part, a second guide groove is arranged in the right seat, and the second guide rod is mounted in the second guide groove and can slide up and down;
the upper clamping part comprises a panel, a third roller bracket and a third spiral roller, wherein the third roller bracket is arranged at the bottom of the panel, and the third spiral roller is arranged on the third roller bracket.
2. The automatic grinding device for the thimble spiral groove according to claim 1, wherein: a first spring groove with the same direction as the first guide groove is formed in the left seat, a first spring is arranged in the first spring groove, and the top of the first spring is contacted with the bottom of the first roller mounting part; the right seat is internally provided with a second spring groove with the direction identical to that of the second guide groove, a second spring is arranged in the second spring groove, and the top of the second spring is contacted with the bottom of the second roller mounting part.
3. The automatic grinding device for the thimble spiral groove according to claim 2, wherein: the first spring and the second spring are linear springs, the diameter of the first spring and the second spring is 1.2mm, and the outer diameter of the second spring is 12mm.
4. The automatic grinding device for the thimble spiral groove according to claim 1, wherein: bearings are arranged at two ends of the first spiral roller, the second spiral roller and the third spiral roller.
5. The automatic grinding device for the thimble spiral groove according to claim 4, wherein: adhesive tapes are wound on the spiral grooves of the first spiral roller, the second spiral roller and the third spiral roller, and protrude out of the surfaces of the spiral rollers by 1mm.
6. The automatic grinding device for the thimble spiral groove according to claim 1, wherein: the left end of the panel is hinged with the upper end of the left seat, the right end of the panel is connected with the upper end of the right seat through a lock catch, and the lower end of the left seat is fixedly connected with the lower end of the right seat.
7. The automatic grinding device for the thimble spiral groove according to claim 1, wherein: the mounting seat is arranged on the base, and the base is parallel to the cutting wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316961.1A CN110355431B (en) | 2018-04-10 | 2018-04-10 | Automatic grinding device for thimble spiral groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810316961.1A CN110355431B (en) | 2018-04-10 | 2018-04-10 | Automatic grinding device for thimble spiral groove |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355431A CN110355431A (en) | 2019-10-22 |
| CN110355431B true CN110355431B (en) | 2024-04-26 |
Family
ID=68213989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810316961.1A Active CN110355431B (en) | 2018-04-10 | 2018-04-10 | Automatic grinding device for thimble spiral groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110355431B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202053131U (en) * | 2011-04-21 | 2011-11-30 | 泰德兴精密电子（昆山）有限公司 | Thimble-grinding tool |
| CN204262974U (en) * | 2014-11-26 | 2015-04-15 | 河南航天精工制造有限公司 | Threaded rod grinds flat frock |
| CN204546155U (en) * | 2015-04-21 | 2015-08-12 | 赣州虔东激光科技有限公司 | A kind of cylindrical grinding apparatus of laser crystal bar |
| CN204976309U (en) * | 2015-07-13 | 2016-01-20 | 杭州轴承试验研究中心有限公司 | Grind fixture device |
| KR20160035946A (en) * | 2014-09-24 | 2016-04-01 | 한국기계연구원 | Tube holder and tube grinding appratus having thterof |
| CN205600079U (en) * | 2016-05-14 | 2016-09-28 | 宁波和鑫光电科技有限公司 | Simple and easy servo screw rod of numerical control device of grinding one's teeth in sleep |
| CN205600325U (en) * | 2016-04-06 | 2016-09-28 | 深圳市骏丰模具有限公司 | Flat grinder anchor clamps of grinding one's teeth in sleep |
| KR20170037295A (en) * | 2015-09-25 | 2017-04-04 | (주)신영프레시젼 | Fixing jig for grinding square ejector pin |
| CN208067503U (en) * | 2018-04-10 | 2018-11-09 | 广州市艺强电器有限公司 | A kind of thimble helicla flute automatic grinding device |
-
2018
- 2018-04-10 CN CN201810316961.1A patent/CN110355431B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202053131U (en) * | 2011-04-21 | 2011-11-30 | 泰德兴精密电子（昆山）有限公司 | Thimble-grinding tool |
| KR20160035946A (en) * | 2014-09-24 | 2016-04-01 | 한국기계연구원 | Tube holder and tube grinding appratus having thterof |
| CN204262974U (en) * | 2014-11-26 | 2015-04-15 | 河南航天精工制造有限公司 | Threaded rod grinds flat frock |
| CN204546155U (en) * | 2015-04-21 | 2015-08-12 | 赣州虔东激光科技有限公司 | A kind of cylindrical grinding apparatus of laser crystal bar |
| CN204976309U (en) * | 2015-07-13 | 2016-01-20 | 杭州轴承试验研究中心有限公司 | Grind fixture device |
| KR20170037295A (en) * | 2015-09-25 | 2017-04-04 | (주)신영프레시젼 | Fixing jig for grinding square ejector pin |
| CN205600325U (en) * | 2016-04-06 | 2016-09-28 | 深圳市骏丰模具有限公司 | Flat grinder anchor clamps of grinding one's teeth in sleep |
| CN205600079U (en) * | 2016-05-14 | 2016-09-28 | 宁波和鑫光电科技有限公司 | Simple and easy servo screw rod of numerical control device of grinding one's teeth in sleep |
| CN208067503U (en) * | 2018-04-10 | 2018-11-09 | 广州市艺强电器有限公司 | A kind of thimble helicla flute automatic grinding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110355431A (en) | 2019-10-22 |
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