CN104858689A - Box inner hole centered positioning and clamping device and use method thereof - Google Patents
Box inner hole centered positioning and clamping device and use method thereof Download PDFInfo
- Publication number
- CN104858689A CN104858689A CN201510325617.5A CN201510325617A CN104858689A CN 104858689 A CN104858689 A CN 104858689A CN 201510325617 A CN201510325617 A CN 201510325617A CN 104858689 A CN104858689 A CN 104858689A
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- base
- clamping device
- traveller
- stud
- counterbore
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Classifications
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- 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
-
- 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)
- Clamps And Clips (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention belongs to the technical field of machine manufacturing and provides a box inner hole centered positioning and clamping device and a use method thereof. The box inner hole centered positioning and clamping device comprises a base (5), a clamp body (10), double-screw bolts (2) and a handle (1); the outer cylindrical surface of the base (5) is uniformly provided with three countersinks which are uniformly distributed in a horizontal direction and communicated with one another; inside every countersink, one cylindrical helical compressed spring (6), one sliding column (8) and one small steel ball (4) are arranged; the three small steel balls (4) are tangent to a large steel ball (3). During box machining, the box inner hole centered positioning and clamping device can rapidly and automatically centered-position and clamp a box onto the clamp body according to the inner hole of the box; after the machining process is completed, the sliding columns can be reset under the action of the springs, so that the box can be taken off easily from the clamp body, and further the working efficiency and the machining precision of the box can be improved.
Description
Technical field
The invention belongs to machinery manufacturing technology field, relate to a kind of location and clamping device, particularly the using method of a kind of location of the aligning for casing endoporus and clamping device and this device.
Background technology
At machinery industry, box parts is usually used as fundamental parts during assembling, and the Assembly of the parts such as axle, bearing, gear, end cap, cover, in casing, make the mutual alignment relation that each parts keep correct.Therefore, the machining accuracy of box parts has important impact to service life of machine, performance and precision.Box parts mostly is foundry goods, structure and complex-shaped, and rigidity is poor, and working position is many, difficulty is large, and therefore box parts adds on Digit Control Machine Tool needs to use special fixture man-hour mostly.How to be positioned on fixture fast and exactly by box parts is the key ensureing casing class part processing precision, improve working (machining) efficiency.Therefore at machinery industry, need a kind of device that can locate according to the endoporus automatic aligning of casing and clamp, to be located by casing and to be fixed on fixture, carry out the processing of casing.
Summary of the invention
The object of the invention is to solve the positioning precision of box parts on fixture in prior art low; Casing is easily blocked by clamping device; Location and clamping efficiency low; Clamping device part is not easily changed, the problem that cost is higher, provides a kind of and is located and clamping device in casing endoporus automatic aligning location and the aligning be clamped on fixture easily and efficiently.
Object of the present invention is achieved through the following technical solutions:
For aligning location and the clamping device of casing endoporus, this device comprises base, clamp body, stud and handle; Wherein, stud is arranged in the screwed hole of base top, and stud bottom connects big steel ball; Base external cylindrical surface is evenly distributed with counterbore, counterbore radially horizontal homogeneous distribution, and communicates with each other, in each counterbore, be equipped with cylindroid helical-coil compression spring, traveller, each one of small ball; Small ball and traveller tangent, can axially-movable in counterbore; Small ball is cut in a big steel ball altogether; One columniform boss is arranged at the bottom of base, and boss is fastened in the locating hole of clamp body, and base and clamp body relative movement do not occur; Base is distributed with counterbore, and base is fixed on clamp body through counterbore by screw.This counterbore and the radially-arranged counterbore of base external cylindrical surface are interspersed, with axis being parallel on base.
Counterbore is positioned at the position, lower middle of external cylindrical surface.Certainly, counterbore quantity and position can set according to the position of casing endoporus and size.Counterbore quantity provided by the invention is 3, is for best from the angle of stability and material economy.
Preferably, the vertical holes place at big steel ball and base contacts place is matched in clearance; Three counterbores that radially horizontal homogeneous distributes are divided into 2 parts, and what diameter was larger is counter sink portion, and what diameter was less is throughhole portions, and cylindroid helical-coil compression spring is positioned at counter sink portion, and small ball is active in throughhole portions; Small ball, traveller and throughhole portions are matched in clearance.
Preferably, described base external cylindrical surface is equipped with locating ring, and locating ring is coaxial with base, and height is equal with the height of base external cylindrical surface; The locating ring face of cylinder is distributed with the through hole with counterbore equal number on base external cylindrical surface, through-hole diameter is identical with traveller diameter; Traveller is through locating ring, and cylindroid helical-coil compression spring is contained on traveller, between locating ring and the traveller shaft shoulder, works as spring-compressed, and traveller passes the counterbore on base, the through hole on locating ring by casing endoporus automatic aligning location and clamping.
Through hole and counterbore are in same radial direction, coaxial line, smooth and easyly can pass freely through counterbore and through hole when ensureing traveller clamping casing.When stud moves down promotion big steel ball, big steel ball promotes small ball generation tangent with it and moves radially, promote traveller through the through hole on cylindroid helical-coil compression spring and locating ring, by the counterbore location on base external cylindrical surface and clamping casing endoporus, locating hole coaxial line now in casing on axially bored line and clamp body, and casing is clamped on clamp body.
Preferably, wherein, described base external cylindrical surface is evenly distributed with pit, locating ring is distributed with the screwed hole equal with pit quantity, holding screw, through locating ring upper screwed hole, is pressed in the pit on base, prevents locating ring and base from producing relative rotation.
Pit and counterbore can be same center of circle plane, also can not be in.When being in same center of circle plane, pit and counterbore are interspersed, with holding screw lock in place ring and base effects better.
Preferably, described traveller is isometric, and ensures that overhang is equal under the promotion of steel ball; Sphere is adopted with casing endoporus effect contact position.
The guarantee that overhang is equal ensures by controlling base, traveller, locating ring, the dimensional accuracy of each part of steel ball and positional precision, positional precision is existing in concrete structure describes to be illustrated, as the external cylindrical surface of base boss and the external cylindrical surface of base have, axiality requires, the inside and outside circle cylinder of locating ring has axiality requirement etc.Determine as the case may be as dimensional accuracy, as isometric in three travellers etc., reach the effect that overhang is equal.
Preferably, described traveller and retaining ring material all adopt 45 steel, and roughness Ra is respectively 0.8,3.2.
Preferably, stud top is hexagon head structure, and centre is processed with external screw thread, and bottom is a round platform; The top of base is processed with screwed hole, and stud is threaded connection in this screwed hole, and the inner hexagonal hole of handle bottom inserts in the turret head on stud top, turn handle, and by being threaded of stud and base, stud can move up and down in the base; Round platform and the big steel ball of stud bottom are tangent, promote small ball, then promote traveller by big steel ball, thus by casing Internal hole positioning and clamping.In the present invention, screw thread is right-handed thread.
Preferably, upper handle portion is star structure, is convenient to rotate; One inner hexagonal hole is arranged at handle bottom, is connected with the turret head on stud top, and swing handle drives stud to move up and down.
Preferably, the counterbore quantity of base end face is 3, is uniformly distributed in base end face; Pit quantity on the external cylindrical surface of base is 3, is uniformly distributed on base external cylindrical surface; Described screw is hexagon socket cap head screw and holding screw.Base is fixed on clamp body through counterbore by hexagon socket cap head screw; Holding screw, through locating ring upper screwed hole, is pressed in the pit on base, prevents locating ring and base from producing relative rotation.
The present invention also provides a kind of aligning to locate and the using method of clamping device is: during machining box, rotating handles, drive stud moves down, pass through big steel ball, promote three small balls, three equally distributed travellers produce simultaneously and move radially, axially bored line in casing is adjusted to automatically and the locating hole coaxial line on clamp body, and casing is clamped on clamp body; After machining, be rotated counterclockwise handle, traveller travelling backwards under the elastic reaction of cylindroid helical-coil compression spring, unclamps casing endoporus.Because base top screw thread is right-handed thread, therefore handle direction of rotation is clockwise.
Beneficial effect:
Aligning location of the present invention and clamping device carry out aligning location and clamping to it when being used for machining box-type part.During machining box-type part, use this aligning to locate and clamping device, can according to the endoporus of casing by its axis fast and automatically adjust to and the locating hole coaxial line on clamp body exactly, and be clamped on clamp body.After machining, traveller is return under the action of the spring, and casing can be made to take off like a cork from clamp body.Adopt stud, big steel ball, three small balls, three equally distributed travellers, springs composition pushing mechanisms, ensure that this device is in aligning location with clamp casing, when unclamping casing, can not be stuck.The parts such as the steel ball in this device, traveller, spring, stud, can change separately upon wear, reduce maintenance cost.Adopt aligning of the present invention to locate and clamping device, casing endoporus can be adjusted to automatically the locating hole coaxial line with clamp body easily.This device is easy to operate, quick, improves crudy and the operating efficiency of box parts.
Accompanying drawing explanation
Fig. 1 is the complete section front view of aligning location and clamping device;
Fig. 2 is the top view of aligning location and clamping device;
Fig. 3 is the base complete section front view of aligning location and clamping device;
Fig. 4 is the understructure top view of aligning location and clamping device;
Fig. 5 is the locating ring complete section front view of aligning location and clamping device;
Fig. 6 is the locating ring top view of aligning location and clamping device;
Fig. 7 is the traveller front view of aligning location and clamping device;
Fig. 8 is the front view of the screw rod of aligning location and clamping device;
Fig. 9 is the top view of the screw rod of aligning location and clamping device;
Figure 10 is the complete section front view of the handle of aligning location and clamping device;
Figure 11 is the top view of the handle of aligning location and clamping device.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, and the experimental technique of unreceipted actual conditions in the following example, usually according to the known approaches of this area.
Embodiment 1
As described in Figure 1, this device comprises base 5, clamp body 10, stud 2 and handle 1; Wherein, stud 2 is arranged in the screwed hole at base 5 top, and stud 2 bottom connects big steel ball 3, moves in the same way with big steel ball; Base 5 external cylindrical surface is evenly distributed with three counterbore 5-1.Three counterbore 5-1 radially horizontal homogeneous distributions, and communicate with each other (as shown in Figure 2, Figure 3, Figure 4).In each counterbore, be equipped with cylindroid helical-coil compression spring 6, traveller 8, each one of small ball 4 from counterbore to base center position successively, three small balls 4 are tangent with traveller 8, can axially-movable in counterbore; Small ball 4 is cut in big steel ball 3 altogether; One columniform boss 5-2 (as shown in Figure 3) is arranged at the bottom of base 5, boss is fastened in the locating hole 10-1 (as shown in Figure 1) of clamp body 10, position relationship between positioning base 5 and clamp body 10, makes base 5 and clamp body 10 relative movement not occur; The bottom surface of base 5 is distributed with counterbore 5-3 (as Figure 1 and Figure 4), base 5 is fixed on clamp body 10 through counterbore 5-3 by screw 9.
Wherein, big steel ball 3 is matched in clearance (as shown in Figure 3) with the vertical holes 5-5 place of base 5 contact position; Three counterbores that radially horizontal homogeneous distributes are divided into 2 parts, and that diameter is larger is counter sink portion A, and what diameter was less is throughhole portions B (as shown in Figure 3), and cylindroid helical-coil compression spring is positioned at counter sink portion A, and small ball is active in throughhole portions B; Small ball, traveller and throughhole portions are matched in clearance.
Wherein, base 5 external cylindrical surface is equipped with locating ring 7 (as shown in Figure 5, Figure 6), locating ring 7 is coaxial with base 5, height equal with the height of base 5 external cylindrical surface (as shown in Figure 5); Locating ring 7 face of cylinder is distributed with the through hole 7-1 with counterbore 5-1 equal number on base 5 external cylindrical surface, through-hole diameter is identical with traveller diameter; Traveller 8 is through locating ring 7, and as shown in Figure 1, cylindroid helical-coil compression spring 6 is contained on traveller 8 the two correlation, between locating ring 7 and traveller 8 shaft shoulder 8-1 (as shown in Figure 1, Figure 7 shows).
When stud 2 moves down promotion big steel ball 3, big steel ball 3 promotes small ball 4 generation tangent with it and moves radially, promote traveller 8 through the through hole on cylindroid helical-coil compression spring 6 and locating ring 7, by three counterbore location on base 5 external cylindrical surface and clamping casing endoporus, locating hole coaxial line now in casing on axially bored line and clamp body 10, and casing is clamped on clamp body 10.Three travellers are isometric, and under the promotion of steel ball, overhang is equal.
Wherein, base 5 external cylindrical surface is evenly distributed with pit 5-4 (as shown in Figure 4), pit 5-4 and counterbore 5-1 is in same center of circle plane, is positioned at centre position on external cylindrical surface, and pit and counterbore are interspersed.Locating ring 7 is distributed with the screwed hole 7-2 (as shown in Figure 6) with pit equal number (3), holding screw 11 is through locating ring 7 upper screwed hole 7-2, be pressed in the pit 5-4 on base 5, prevent locating ring 7 and base 5 from producing relative rotation.
Wherein, three travellers 8 are isometric; Namely sphere is adopted away from small ball 4 one end with casing endoporus effect contact position.
Wherein, traveller 8 and locating ring 7 material all adopt 45 steel, and roughness Ra is respectively 0.8,3.2.
Wherein, stud 2 top is hexagon head structure (as shown in Figure 8, Figure 9), and centre is processed with external screw thread, and bottom is a round platform (Fig. 8); The top of base 5 is processed with screwed hole, and stud 2 is threaded connection in this screwed hole; Handle 1 is inserted on stud 2 top; Round platform and the big steel ball 3 of stud 2 bottom are tangent.
Wherein, handle 1 top is star structure (Figure 11); One inner hexagonal hole (as shown in Figure 10) is arranged at handle 1 bottom, is connected with the turret head on stud 2 top.
Wherein, the counterbore 5-3 quantity on base 5 bottom surface is 3, is uniformly distributed in base end face (as shown in Figure 4), and the pit 5-4 quantity on the external cylindrical surface of base is 3, is uniformly distributed on base external cylindrical surface; Base 5 is fixed on clamp body 10 through counterbore 5-3 by hexagon socket cap head screw 9.
During machining box, rotating handles 1, drives stud 2 to move down, by big steel ball 3, promote three small balls, 4, three equally distributed travellers 8 to produce simultaneously and move radially, axially bored line in casing is adjusted to automatically and the locating hole coaxial line on clamp body, and casing is clamped on clamp body; After machining, be rotated counterclockwise handle 1, traveller 8 travelling backwards under the elastic reaction of cylindroid helical-coil compression spring 6, unclamps casing endoporus.
Can know; above-described embodiment is only in order to illustrate the illustrative embodiments that inventive principle adopts; but the present invention is not limited only to this; those skilled in the art are not departing under real situation of the present invention; can make various improvement and change, these improve and change and also belong to protection scope of the present invention.
Claims (10)
1., for aligning location and the clamping device of casing endoporus, it is characterized in that: this device comprises base (5), clamp body (10), stud (2) and handle (1); Wherein, stud (2) is arranged in the screwed hole at base (5) top, and stud (2) bottom connects big steel ball (3); Base (5) external cylindrical surface is evenly distributed with three counterbores (5-1), counterbore (5-1) radially horizontal homogeneous distribution, and communicate with each other, be equipped with cylindroid helical-coil compression spring (6), traveller (8), each one of small ball (4) in each counterbore; Three small balls (4) are tangent with traveller (8), can axially-movable in counterbore; Small ball (4) is cut in big steel ball (3) altogether; One columniform boss (5-2) is arranged at the bottom of base (5), and boss is fastened in the locating hole (10-1) of clamp body (10); Base (5) is distributed with counterbore (5-3), base (5) is fixed on clamp body (10) through counterbore (5-3) by screw (9).
2. aligning location according to claim 1 and clamping device, is characterized in that: big steel ball (3) is matched in clearance with vertical holes (5-5) place of base (5) contact position; Three counterbores (5-1) that radially horizontal homogeneous distributes are divided into 2 parts, that diameter is larger is counter sink portion A, that diameter is less is throughhole portions B, and cylindroid helical-coil compression spring (6) is positioned at counter sink portion A, and small ball (4) is active in throughhole portions B; Small ball (4), traveller (8) and throughhole portions B are matched in clearance.
3. aligning location according to claim 1 and clamping device, it is characterized in that: described base (5) external cylindrical surface is equipped with locating ring (7), locating ring (7) is coaxial with base (5), and height is equal with the height of base (5) external cylindrical surface; Locating ring (7) face of cylinder is distributed with the through hole (7-1) with counterbore (5-1) equal number on base (5) external cylindrical surface, through-hole diameter is identical with traveller diameter; Traveller (8) is through locating ring (7), and cylindroid helical-coil compression spring (6) is contained on traveller 8, between the shaft shoulder (8-1) being positioned at locating ring (7) and traveller (8).
4. aligning location according to claim 3 and clamping device, it is characterized in that: described base (5) external cylindrical surface is evenly distributed with pit (5-4), locating ring (7) is distributed with the screwed hole (7-2) equal with pit quantity, holding screw (11), through locating ring (7) upper screwed hole (7-2), is pressed in the pit (5-4) on base (5).
5. aligning location according to claim 1 and clamping device, is characterized in that: described three travellers (8) are isometric; Namely sphere is adopted away from small ball (4) one end with casing endoporus effect contact position.
6. aligning location according to claim 3 and clamping device, is characterized in that: described traveller (8) and locating ring (7) material all adopt 45 steel, and roughness Ra is respectively 0.8,3.2.
7. aligning location according to claim 1 and clamping device, it is characterized in that: stud (2) top is hexagon head structure, and centre is processed with external screw thread, bottom is a round platform; The top of base (5) is processed with screwed hole, and stud (2) is threaded connection in this screwed hole; Handle (1) is inserted on stud (2) top; Round platform and the big steel ball (3) of stud (2) bottom are tangent.
8. aligning location according to claim 7 and clamping device, is characterized in that: handle (1) top is star structure; One inner hexagonal hole is arranged at handle (1) bottom, is connected with the turret head on stud (2) top.
9. aligning location according to claim 4 and clamping device, is characterized in that: counterbore (5-3) quantity of base (5) bottom surface is 3, is uniformly distributed in base end face; Pit (5-4) quantity on the external cylindrical surface of base is 3, is uniformly distributed on base external cylindrical surface; Described screw (9) is hexagon socket cap head screw.
10. the using method of aligning location and clamping device described in claim 1-9 any one, it is characterized in that: during machining box, rotating handles (1), stud (2) is driven to move down, by big steel ball (3), promote three small balls (4), three equally distributed travellers (8) produce simultaneously and move radially, axially bored line in casing is adjusted to automatically and the locating hole coaxial line on clamp body, and casing is clamped on clamp body; After machining, be rotated counterclockwise handle (1), traveller (8) travelling backwards under the elastic reaction of cylindroid helical-coil compression spring (6), unclamps casing endoporus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325617.5A CN104858689B (en) | 2015-06-12 | 2015-06-12 | A kind of aligning positioning and clamping device and its application method for casing endoporus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325617.5A CN104858689B (en) | 2015-06-12 | 2015-06-12 | A kind of aligning positioning and clamping device and its application method for casing endoporus |
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| CN104858689A true CN104858689A (en) | 2015-08-26 |
| CN104858689B CN104858689B (en) | 2017-10-10 |
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| CN201510325617.5A Expired - Fee Related CN104858689B (en) | 2015-06-12 | 2015-06-12 | A kind of aligning positioning and clamping device and its application method for casing endoporus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105108517A (en) * | 2015-09-15 | 2015-12-02 | 中国航天科工集团第三研究院第八三五七研究所 | Tool for quickly positioning and clamping cabin with guide rail groove and method for positioning and clamping the same |
| CN106862949A (en) * | 2017-03-07 | 2017-06-20 | 钟浪雅 | A kind of airport wheel bearing room fixed mount |
| CN106926020A (en) * | 2017-04-27 | 2017-07-07 | 沈阳飞机工业（集团）有限公司 | A kind of novel hole steel ball locator |
| CN108262587A (en) * | 2016-12-30 | 2018-07-10 | 福州品行科技发展有限公司 | Welding tool setup is melted in a kind of shaped piece rotation |
| CN110465790A (en) * | 2019-07-31 | 2019-11-19 | 无锡诚石轴承有限公司 | The automatic trap capping machine of bearing takes lid grinding tool |
| CN110948161A (en) * | 2019-12-16 | 2020-04-03 | 黑龙江恒益电气股份有限公司 | Motor active cell assembly welding mould |
| CN113895866A (en) * | 2021-09-13 | 2022-01-07 | 金华浩翔汽配有限公司 | Full-automatic brake disc metal processing production line |
| CN113909930A (en) * | 2020-07-09 | 2022-01-11 | 航天科工惯性技术有限公司 | Point contact type variable-diameter centering device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105108517A (en) * | 2015-09-15 | 2015-12-02 | 中国航天科工集团第三研究院第八三五七研究所 | Tool for quickly positioning and clamping cabin with guide rail groove and method for positioning and clamping the same |
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| CN106862949A (en) * | 2017-03-07 | 2017-06-20 | 钟浪雅 | A kind of airport wheel bearing room fixed mount |
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| CN110465790A (en) * | 2019-07-31 | 2019-11-19 | 无锡诚石轴承有限公司 | The automatic trap capping machine of bearing takes lid grinding tool |
| CN110948161A (en) * | 2019-12-16 | 2020-04-03 | 黑龙江恒益电气股份有限公司 | Motor active cell assembly welding mould |
| CN110948161B (en) * | 2019-12-16 | 2021-09-07 | 黑龙江恒益电气股份有限公司 | Motor active cell assembly welding mould |
| CN113909930A (en) * | 2020-07-09 | 2022-01-11 | 航天科工惯性技术有限公司 | Point contact type variable-diameter centering device |
| CN113895866A (en) * | 2021-09-13 | 2022-01-07 | 金华浩翔汽配有限公司 | Full-automatic brake disc metal processing production line |
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| CN104858689B (en) | 2017-10-10 |
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