CN104493532A - Automatic centering fixture for annular workpieces - Google Patents
Automatic centering fixture for annular workpieces Download PDFInfo
- Publication number
- CN104493532A CN104493532A CN201410798742.3A CN201410798742A CN104493532A CN 104493532 A CN104493532 A CN 104493532A CN 201410798742 A CN201410798742 A CN 201410798742A CN 104493532 A CN104493532 A CN 104493532A
- Authority
- CN
- China
- Prior art keywords
- guide plate
- mandrel
- feed screw
- annular workpieces
- lead screw
- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Abstract
The invention discloses an automatic centering fixture for annular workpieces. The automatic centering fixture comprises a support, a motor, a first feed lead screw, a second feed lead screw, a first coupling, a first guide plate and a second guide plate. The motor is fixedly connected with the support, the first feed lead screw is connected with the support by a second coupling, the second feed lead screw is parallel to the first feed lead screw, and the first coupling is connected with the left end and the right end of the first feed lead screw; two slide seats are respectively welded at the lower end of the first guide plate and the lower end of the second guide plate and are respectively connected with the first feed lead screw and the second feed lead screw, a conical tubular mandrel and a positioning column in the shape of a long rod are arranged on the first guide plate, the left portion of the mandrel is large while the right portion of the mandrel is small, and the positioning column is positioned in the center of the mandrel; a circular hole is formed in the second guide plate, and the positioning column penetrates the circular hole and is parallel to the first feed lead screw. The automatic centering fixture has the advantages that the production time can be effectively saved, the movement stability can be improved, and the automatic centering fixture brings convenience for accurately positioning and clamping the annular workpieces.
Description
Technical field
The present invention relates to a kind of fixture, specifically relate to a kind of automatically centering fixture for annular workpieces.
Background technology
In machining, some workpiece need to be positioned by its endoporus and clamped, and especially add man-hour to the cylindrical of annular pipe fitting and end face.In the past, man-hour is being added to annular pipe fitting, is blocking one end often, and withstanding the other end to process, and the one end of withstanding needs the endoporus by pipe fitting, mix stopper or liner wooden unit in endoporus, processing could be held out against with top.But it is even that this method usually makes pipe fitting process wall unevenness.
Now conventional a kind of centralizer comprises support, motor, the first feed screw be connected with motor by the second shaft coupling, second feed screw parallel with the first feed screw, be connected to the first shaft coupling and the guide plate at the first feed screw center, because guide plate is planar structure, directly carry out centering to annular workpieces to compress, easy skidding can not be located very well to the arcuate flanks of annular workpieces, and because carry out compression centering outside annular workpieces, not easily process operation is carried out to pipe fitting cylindrical.
Summary of the invention
In order to overcome above problem, provide a kind of easy to loading and unloading, accurate positioning, operation is fast for the automatically centering fixture of annular workpieces.
The technical scheme adopted to realize object of the present invention is: a kind of automatically centering fixture for annular workpieces, comprise support, the motor be fixedly connected with support, the first feed screw be connected with support by the second shaft coupling, second feed screw parallel with the first feed screw, connect first shaft coupling at the first two ends, feed screw left and right, also comprise the first guide plate, the second guide plate; The lower end of the first guide plate and the second guide plate welds two slides respectively, two slides are connected with the first feed screw and the second feed screw respectively, first guide plate is provided with the mandrel of tapered tubular and the locating dowel of elongated rod shape, and mandrel is left large and right small, and locating dowel is positioned at the center of mandrel; Second guide plate has circular hole, and locating dowel is through circular hole parallel with the first feed screw.
The right-hand member of the first feed screw as referred to herein is the one end near motor, and the left end of the first feed screw is the one end away from motor.The left end of mandrel refers to and one end that the first guide plate is connected, and the right-hand member of mandrel refers to the one end away from the first guide plate.
Operation principle of the present invention is: during use, annular workpieces is packed into locating dowel from locating dowel away from one end of the first guide plate, again by the circular hole of locating dowel through the second guide plate, start motor, the rotary motion that motor produces is transformed to the rectilinear movement of the first guide plate and the second guide plate by the first feed screw, first guide plate and the second guide plate move equidistance simultaneously, first guide plate and the second guide plate do linear relative movement, drive the mandrel on the first guide plate and locating dowel and the second guide plate to do relative motion.Until annular workpieces pushes against by the second guide plate, the inner circle of annular workpieces is clamped on mandrel, makes the first guide plate and the second guide plate not continue to do linear relative movement again, and close motor, now annular workpieces is by self-centering and clamping.When getting annular workpieces, only need to reversely rotate motor, first guide plate and the second guide plate do opposite linear motion, drive mandrel on the first guide plate and locating dowel away from the second guide plate, the annular workpieces be clamped is along with the counter motion of the first guide plate and the second guide plate, depart from mandrel gradually, last locating dowel departs from the second guide plate, now easily can take out annular workpieces.
Compared with prior art, beneficial effect of the present invention: 1. select and the motor of bidirectional rotation can carry out self-centering, avoid manually-operated time waste, effectively saved the production time.2. the lower end of the first guide plate and the second guide plate is welded with two slides respectively, and two slides are connected with the first feed screw and the second feed screw respectively, increases the stability of movement.3. the first guide plate is provided with the mandrel of tapered tubular, and locating dowel is located at the center of the bottom surface of mandrel, and annular workpieces packs in mandrel gradually along locating dowel, facilitates precise positioning and the clamping of annular workpieces.4. the second guide plate has circular hole, locating dowel, through circular hole parallel with the first feed screw, makes to be connected to the first guide plate on the first feed screw the same with the compression track of annular workpieces with the movement locus of the second guide plate, avoids flogging a dead horse.
Further, described locating dowel is the expansion link of retractable, makes when placing annular workpieces convenient.
Further, outside described mandrel, be arranged with flexible positioning sleeve, avoid scratching annular workpieces in compaction process.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further illustrated:
Fig. 1 is the structural representation of the present invention for the automatically centering fixture embodiment of annular workpieces;
Reference numeral in Figure of description is motor 1, first guide plate 2, second guide plate 3, first feed screw 4, second feed screw 5, first shaft coupling 6, second shaft coupling 7, mandrel 8, locating dowel 9, flexible positioning sleeve 10.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described, but not as a limitation of the invention.
As shown in Figure 1, a kind of automatically centering fixture for annular workpieces, comprise support, the motor 1 be connected with bracket screw, the first feed screw 4 be threaded by the second shaft coupling 7 and support, second feed screw 5 parallel with the first feed screw 4, first shaft coupling 6 at first feed screw about 4 two ends that are threaded, also comprises the first guide plate 2, second guide plate 3; The lower end of the first guide plate 2 and the second guide plate 3 welds two slides respectively, two slides are threaded with the first feed screw 4 and the second feed screw 5 respectively, first guide plate 2 is welded with the mandrel 8 of tapered tubular and the locating dowel 9 of elongated rod shape, mandrel 8 is left large and right small, and locating dowel 9 is positioned at the center of mandrel 8; Second guide plate 3 has circular hole, and locating dowel 9 is parallel with the first feed screw 4 through circular hole.
Locating dowel 9 is the expansion link of retractable, makes when placing annular workpieces convenient.Be arranged with flexible positioning sleeve 10 outside mandrel 8, avoid scratching annular workpieces in compaction process.
During use, annular workpieces is packed into locating dowel 9 from locating dowel 9 away from one end of the first guide plate 2, again by the circular hole of locating dowel 9 through the second guide plate 3, start electronic 1, the rotary motion that motor 1 produces is transformed to the rectilinear movement of the first guide plate 2 and the second guide plate 3 by the first feed screw 4, first guide plate 2 and the second guide plate 3 move equidistance simultaneously, and the first guide plate 2 and the second guide plate 3 do linear relative movement, drive the mandrel 8 on the first guide plate 2 and locating dowel 9 and the second guide plate 3 to do relative motion.Until annular workpieces pushes against by the second guide plate 3, the inner circle of annular workpieces is clamped on mandrel 8, makes the first guide plate 2 and the second guide plate 3 not continue to do linear relative movement again, and close motor 1, now annular workpieces is by self-centering and clamping.When getting annular workpieces, only need to reversely rotate motor 1, first guide plate 2 and the second guide plate 3 do opposite linear motion, drive mandrel 8 on the first guide plate 2 and locating dowel 9 away from the second guide plate 3, the annular workpieces be clamped is along with the counter motion of the first guide plate 2 and the second guide plate 3, depart from mandrel 8 gradually, last locating dowel 9 departs from the second guide plate 3, now easily can take out annular workpieces.
The present embodiment is selected and the motor 1 of bidirectional rotation can be carried out self-centering, avoids manually-operated time waste, has effectively saved the production time.The lower end of the first guide plate 2 and the second guide plate 3 is welded with two slides respectively, and two slides are threaded with the first feed screw 4 and the second feed screw 5 respectively, increases the stability of movement.First guide plate 2 is welded with the mandrel 8 of tapered tubular, locating dowel 9 is located at the center of the bottom surface of mandrel 8, and annular workpieces packs on mandrel 8 gradually along locating dowel 9, facilitates precise positioning and the clamping of annular workpieces.Second guide plate 3 has circular hole, and locating dowel 9 is parallel with the first feed screw 4 through circular hole, makes the first guide plate 2 of being threaded on the first feed screw 4 the same with the compression track of annular workpieces with the movement locus of the second guide plate 3, avoids flogging a dead horse.
Above-described embodiment, just the present invention's more preferably detailed description of the invention, the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (3)
1. the automatically centering fixture for annular workpieces, comprise support, the motor be fixedly connected with support, the first feed screw be connected with support by the second shaft coupling, second feed screw parallel with the first feed screw, connect first shaft coupling at the first two ends, feed screw left and right, it is characterized in that, also comprise the first guide plate, the second guide plate; The lower end of the first guide plate and the second guide plate welds two slides respectively, two slides are connected with the first feed screw and the second feed screw respectively, first guide plate is provided with the mandrel of tapered tubular and the locating dowel of elongated rod shape, and mandrel is left large and right small, and locating dowel is positioned at the center of mandrel; Second guide plate has circular hole, and locating dowel is through circular hole parallel with the first feed screw.
2. a kind of automatically centering fixture for annular workpieces according to claim 1, is characterized in that, described locating dowel is the expansion link of retractable.
3. a kind of automatically centering fixture for annular workpieces according to claim 1, is characterized in that, be arranged with flexible positioning sleeve outside described mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798742.3A CN104493532A (en) | 2014-12-21 | 2014-12-21 | Automatic centering fixture for annular workpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410798742.3A CN104493532A (en) | 2014-12-21 | 2014-12-21 | Automatic centering fixture for annular workpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104493532A true CN104493532A (en) | 2015-04-08 |
Family
ID=52935032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410798742.3A Pending CN104493532A (en) | 2014-12-21 | 2014-12-21 | Automatic centering fixture for annular workpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104493532A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127493A (en) * | 2015-09-28 | 2015-12-09 | 苏州哈比赫姆机电科技有限公司 | End milling machine |
| CN109664174A (en) * | 2018-12-24 | 2019-04-23 | 重庆朔东汽车部件有限公司 | A kind of specific device and its application method being exclusively used in polishing automatic pedal |
| CN113478036A (en) * | 2021-07-22 | 2021-10-08 | 江苏万达特种轴承有限公司 | Linear cutting clamp spring tool |
-
2014
- 2014-12-21 CN CN201410798742.3A patent/CN104493532A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127493A (en) * | 2015-09-28 | 2015-12-09 | 苏州哈比赫姆机电科技有限公司 | End milling machine |
| CN105127493B (en) * | 2015-09-28 | 2018-01-02 | 苏州哈比赫姆机电科技有限公司 | end milling machine |
| CN109664174A (en) * | 2018-12-24 | 2019-04-23 | 重庆朔东汽车部件有限公司 | A kind of specific device and its application method being exclusively used in polishing automatic pedal |
| CN109664174B (en) * | 2018-12-24 | 2020-04-21 | 重庆朔东汽车部件有限公司 | Special device for polishing automobile pedal and using method thereof |
| CN113478036A (en) * | 2021-07-22 | 2021-10-08 | 江苏万达特种轴承有限公司 | Linear cutting clamp spring tool |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150408 |
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| WD01 | Invention patent application deemed withdrawn after publication |