CN113000879A - Chuck soft claw with stroke-adjustable bidirectional clamping surface and preparation method - Google Patents
Chuck soft claw with stroke-adjustable bidirectional clamping surface and preparation method Download PDFInfo
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- CN113000879A CN113000879A CN202110307650.0A CN202110307650A CN113000879A CN 113000879 A CN113000879 A CN 113000879A CN 202110307650 A CN202110307650 A CN 202110307650A CN 113000879 A CN113000879 A CN 113000879A
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- soft
- chuck
- jaw
- sliding block
- soft claw
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- 210000000078 claw Anatomy 0.000 title claims abstract description 94
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000003754 machining Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 6
- 238000012916 structural analysis Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/02—Chucks
- B23B31/10—Chucks characterised by the retaining or gripping devices or their immediate operating means
- B23B31/12—Chucks with simultaneously-acting jaws, whether or not also individually adjustable
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gripping On Spindles (AREA)
Abstract
The invention discloses a chuck soft claw with an adjustable stroke and a bidirectional clamping surface and a preparation method thereof.A redesigned soft claw base is connected with a claw sliding seat on a three-claw chuck by using an inner hexagonal bolt, a redesigned sliding block is matched with the soft claw base, the sliding block is slid to the front end of the soft claw base and connected by using the inner hexagonal bolt, and a workpiece is clamped by using the front of the sliding block, at the moment, the maximum diameter of the clamped workpiece is the maximum clamping range of the initial design of the three-claw chuck, the clamping range can be adjusted by sliding the position of the sliding block on the soft claw base, the sliding block is slid to the tail end of the base and connected by using the inner hexagonal bolt to the front side to clamp the workpiece, and at the moment, the maximum diameter of the clamped workpiece is the distance of the sliding block moving on the soft claw base on the.
Description
Technical Field
The invention relates to the field of machining, in particular to a chuck soft claw with a stroke-adjustable bidirectional clamping surface and a preparation method thereof.
Background
At present, the jaws are an important component of a three-jaw chuck, and the jaws clamp and position a workpiece through radial movement on a chuck body.
The jaws on the common three-jaw chuck limit the maximum clamping range, so that the clamping range of the part is limited, and the part with a larger size cannot be clamped.
Disclosure of Invention
The invention aims to provide a chuck soft jaw with an adjustable stroke and a bidirectional clamping surface and a preparation method thereof, and aims to solve the technical problems that a jaw on a common three-jaw chuck in the prior art limits the maximum clamping range, so that the clamping range of a part is limited, and the part with a larger size cannot be clamped.
In order to realize the aim, the chuck soft jaw with the adjustable stroke and the bidirectional clamping surface is arranged on a three-jaw chuck and comprises a jaw sliding seat and a chuck soft jaw body,
the jaw sliding seat is fixedly connected with the three-jaw chuck and is positioned on one side of the three-jaw chuck;
the soft claw body of chuck includes soft claw base, slider and hexagon socket head cap screw, soft claw base with jack catch slide fixed connection, and be located one side of jack catch slide, the slider with soft claw slide sliding connection, and be located soft claw base is kept away from one side of jack catch slide, hexagon socket head cap screw with the connection can be dismantled to soft claw base, and with the connection can be dismantled to the slider, and runs through the slider.
The number of the soft jaw bases is multiple, and the soft jaw bases are arranged at equal intervals and circumferentially by taking the center of the three-jaw chuck as an axis; the number of the sliding blocks is multiple, and the sliding blocks are respectively arranged on the soft claw bases; the number of the inner hexagon bolts is multiple, and the inner hexagon bolts are respectively connected with the soft claw base and the sliding block.
The number of the jaw sliding seats is multiple, and the jaw sliding seats are arranged by taking the center of the three-jaw chuck as an axis equidistant circumference.
The invention also provides a preparation method of the chuck soft claw with the stroke-adjustable bidirectional clamping surface, which comprises the following steps:
carrying out structural analysis on the existing three-jaw chuck and jaws, and finding the problems of the existing three-jaw chuck and jaws;
redesigning the jaws to draw a sketch;
performing three-dimensional modeling on the soft claw base and the sliding block;
drawing an engineering drawing by combining the three-dimensional modeling of the soft claw base and the sliding block;
and finishing the machining of the soft claw base and the sliding block on the machining center according to the requirements of a drawing and carrying out quality detection.
Wherein, in "carrying out structural analysis to the existing three-jaw chuck and jaws, finding the existing problems of the three-jaw chuck and the jaws", the steps further include:
the radial movement of three movable clamping jaws uniformly distributed on the three-jaw chuck is utilized to clamp and position the workpiece, the range of the type and the size of the clamped workpiece is found to be larger than the set clamping diameter, and the clamping positioning precision is low.
Wherein, in the three-dimensional modeling of the soft claw base and the sliding block, the steps further comprise:
the shapes and the sizes of the soft claw base and the sliding block are preliminarily determined through sketching of the soft claw base and the sliding block.
Wherein in the 'drawing engineering drawing combined with the three-dimensional modeling of the soft claw base and the sliding block',
and drawing an engineering drawing and an assembly drawing of the soft claw base and the sliding block by combining the three-dimensional modeling of the soft claw base and the sliding block.
Wherein, after finishing the processing of the soft claw base and the sliding block on the processing center according to the requirement of a drawing and carrying out quality detection,
and (5) summarizing the experiment and drawing a flow chart of the experimental process.
The invention relates to a chuck soft claw with an adjustable stroke and a bidirectional clamping surface and a preparation method thereof.A redesigned soft claw base is connected with a claw sliding seat on a three-claw chuck by an inner hexagonal bolt, a redesigned sliding block is matched with the soft claw base, the sliding block is slid to the front end of the soft claw base and connected by the inner hexagonal bolt, and a workpiece is clamped by utilizing the front of the sliding block, the maximum diameter of the clamped workpiece is the maximum clamping range of the initial design of the three-claw chuck, the clamping range can be adjusted by sliding the position of the sliding block on the soft claw base, the sliding block is slid to the tail end of the base and connected by the inner hexagonal bolt to the front side to clamp the workpiece, and the maximum diameter of the clamped workpiece is the distance of the sliding block moving on the soft claw base on the basis of the prior art, so that the.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the overall installation of the soft jaw body of the chuck of the present invention.
Fig. 2 is an exploded view of the soft jaw body of the chuck of the present invention.
Fig. 3 is a schematic view of a connection structure of the jaw sliding base and the soft jaw base of the present invention.
Fig. 4 is a flow chart of the method for preparing the chuck soft claw with the stroke-adjustable bidirectional clamping surface.
In the figure: 1-soft jaw base, 2-slide block, 3-inner hexagon bolt, 10-jaw slide seat and 20-chuck soft jaw body.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 3, the present invention provides a chuck soft jaw with an adjustable stroke and a bidirectional clamping surface, which is mounted on a three-jaw chuck, and comprises a jaw slide 10 and a chuck soft jaw body 20,
the jaw sliding seat 10 is fixedly connected with the three-jaw chuck and is positioned at one side of the three-jaw chuck;
the soft claw body 20 of chuck includes soft claw base 1, slider 2 and hexagon socket head cap screw 3, soft claw base 1 with jack catch slide 10 fixed connection, and be located one side of jack catch slide 10, slider 2 with soft claw slide sliding connection, and be located soft claw base 1 keeps away from one side of jack catch slide 10, hexagon socket head cap screw 3 with soft claw base 1 can dismantle the connection, and with slider 2 can dismantle the connection, and runs through slider 2.
Furthermore, the number of the soft jaw bases 1 is multiple, and the soft jaw bases are respectively arranged on the circumference with the center of the three-jaw chuck as an axis at equal intervals; the number of the sliding blocks 2 is multiple, and the sliding blocks are respectively arranged on the soft claw base 1; the number of the inner hexagon bolts 3 is multiple, and the inner hexagon bolts are respectively connected with the soft claw base 1 and the sliding block 2.
Further, the number of the jaw sliders 10 is plural, and the jaw sliders are circumferentially arranged at equal intervals by taking the center of the three-jaw chuck as an axis.
In the embodiment, the original movable clamping jaws are redesigned by combining the automatic centering principle of the three-jaw chuck, and the chuck soft jaw with the stroke-adjustable bidirectional clamping surface is designed. The redesigned soft claw base 1 is connected with a claw slide seat 10 on the three-claw chuck by an inner hexagon bolt 3, and then the redesigned slide block 2 is matched with the soft claw base 1. So that the flexible claw base can freely slide back and forth on the flexible claw base 1.
The working principle is as follows: 1. clamping and positioning shaft parts
After the redesigned soft jaw base 1 is connected with a jaw sliding seat 10 on the three-jaw chuck through an inner hexagon bolt 3, a redesigned sliding block 2 is matched with the soft jaw base 1, the sliding block 2 slides to the front end of the soft jaw base 1 and is connected through the inner hexagon bolt 3, a workpiece is clamped in front of the sliding block 2, the maximum diameter of the workpiece is the maximum clamping range of the initial design of the three-jaw chuck, the clamping range can be adjusted through the position of the sliding block 2 on the soft jaw base 1, the sliding block 2 slides to the tail end of the base and is connected with the inner hexagon bolt 3 to clamp the workpiece in the front side, and the maximum diameter of the workpiece is the distance of the sliding block 2 moving on the soft jaw base 1 on the basis of the prior art.
2. Clamping and positioning of parts such as disc covers
The sliding block 2 slides to the front end of the soft claw base 1 and is connected with the inner hexagon bolt 3, the sliding block 2 is used for clamping a workpiece at the back, at the moment, a disk cover part with a smaller inner diameter can be clamped, the clamping range can be adjusted by sliding the sliding block 2 on the soft claw base 1, the sliding block 2 slides to the tail end of the base and is connected with the inner hexagon bolt 3, the sliding block 2 is used for clamping the workpiece at the back, and at the moment, the disk cover part with a larger inner diameter can be clamped.
Therefore, the clamping range of the position of the sliding block 2 on the soft claw base 1 can be adjusted, the sliding block 2 slides to the tail end of the base and is connected with the hexagon socket head cap screw 3 to clamp a workpiece on the upper front surface, the maximum diameter of the clamped workpiece is the distance of the sliding block 2 moving on the soft claw base 1 on the original basis, and the workpiece with larger size can be clamped.
Referring to fig. 4, the present invention further provides a method for manufacturing a chuck soft jaw with a stroke-adjustable bi-directional clamping surface, comprising the following steps:
s401: the structure analysis is carried out on the existing three-jaw chuck and jaws, the problems of the existing three-jaw chuck and jaws are found, the radial movement of three movable jaws uniformly distributed on the three-jaw chuck is utilized to clamp and position a workpiece, the range of the type and the size of the clamped workpiece is found to be larger than the set clamping diameter, and the clamping positioning precision is low;
s402: redesigning the jaws to draw a sketch;
s403: three-dimensional modeling is carried out on the soft claw base 1 and the sliding block 2, and the shapes and the sizes of the soft claw base 1 and the sliding block 2 are preliminarily determined through draft drawing of the soft claw base 1 and the sliding block 2;
s404: drawing an engineering drawing by combining the three-dimensional modeling of the soft claw base 1 and the sliding block 2, and drawing an engineering drawing and an assembly drawing of the soft claw base 1 and the sliding block 2 by combining the three-dimensional modeling of the soft claw base 1 and the sliding block 2;
s405: and finishing the machining of the soft claw base 1 and the sliding block 2 on the machining center according to the requirements of a drawing and carrying out quality detection.
S406: and (5) summarizing the experiment and drawing a flow chart of the experimental process.
In the present embodiment, it is preferred that,
1. and carrying out structural analysis on the common three-jaw chuck and the jaws.
The model of CK-6132B lathe is used for analysis and description.
The maximum processing diameter of the disc part can be known from technical parameters of the model of the CK-6132B lathe(maximum clamping diameter) and the maximum machining diameter of the shaft part is(maximum gripping diameter).
The three-jaw chuck is an important accessory of a machine tool for clamping and positioning a workpiece, plays a role in automatically centering the clamped workpiece, and clamps and positions the workpiece by utilizing the radial movement of three movable jaws uniformly distributed on a chuck body, but the range of the types and the size of the clamped workpiece is limited, and the clamping and positioning accuracy is not high.
2. Redesigning the jaws to draw a sketch
After the common three-jaw chuck and the jaws are analyzed and the conclusion is drawn, the chuck soft jaw with the stroke-adjustable bidirectional clamping surface is designed to be matched with the chuck body again for use. First, sketching of the soft claw base 1 and the slider 2 is performed.
3. Three-dimensional modeling is carried out on the soft claw base 1 and the sliding block 2
The shapes and the sizes of the soft claw base 1 and the sliding block 2 are preliminarily determined by sketching the soft claw base 1 and the sliding block 2.
4. Drawing engineering drawing by combining three-dimensional modeling of soft claw base 1 and sliding block 2
The shapes and the sizes of the soft claw base 1 and the sliding block 2 are preliminarily determined by sketching the soft claw base 1 and the sliding block 2.
And drawing an engineering drawing and an assembly drawing of the soft claw base 1 and the sliding block 2 by combining the three-dimensional modeling of the soft claw base 1 and the sliding block 2. Drawing requirements are formulated according to national drawing standards and combined with actual production and processing requirements.
5. Manufacture by machining
And finishing the machining of the soft claw base 1 and the sliding block 2 on the machining center according to the requirements of a drawing and carrying out quality detection.
6. Experimental summary (flow chart)
Trial experiments prove that the chuck soft claw with the stroke-adjustable bidirectional clamping surface meets the mechanical design standard, meets the machining requirements and ensures the machining quality of parts.
The soft chuck claw with the stroke-adjustable bidirectional clamping surface is designed, accurate clamping and accurate positioning on various middle and middle complex parts can be realized, the processing precision can be improved, the students can be helped to improve the skill operating capability, and the use cost of consumable materials can be reduced by combining with the actual production to improve the production efficiency.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (8)
1. A chuck soft jaw with a stroke-adjustable bidirectional clamping surface is arranged on a three-jaw chuck and is characterized by comprising a jaw sliding seat and a chuck soft jaw body,
the jaw sliding seat is fixedly connected with the three-jaw chuck and is positioned on one side of the three-jaw chuck;
the soft claw body of chuck includes soft claw base, slider and hexagon socket head cap screw, soft claw base with jack catch slide fixed connection, and be located one side of jack catch slide, the slider with soft claw slide sliding connection, and be located soft claw base is kept away from one side of jack catch slide, hexagon socket head cap screw with the connection can be dismantled to soft claw base, and with the connection can be dismantled to the slider, and runs through the slider.
2. The adjustable stroke bi-directional gripping surface chuck soft jaw of claim 1,
the number of the soft jaw bases is multiple, and the soft jaw bases are arranged at equal intervals and circumferentially by taking the center of the three-jaw chuck as an axis; the number of the sliding blocks is multiple, and the sliding blocks are respectively arranged on the soft claw bases; the number of the inner hexagon bolts is multiple, and the inner hexagon bolts are respectively connected with the soft claw base and the sliding block.
3. The adjustable stroke bi-directional gripping surface chuck soft jaw of claim 1,
the quantity of jack catch slide is a plurality of, and respectively with the center of three-jaw chuck sets up as axle center equidistance circumference.
4. A method for preparing the chuck soft claw with the stroke-adjustable bidirectional clamping surface, which is used for preparing the chuck soft claw with the stroke-adjustable bidirectional clamping surface as claimed in claim 1, and is characterized by comprising the following steps,
carrying out structural analysis on the existing three-jaw chuck and jaws, and finding the problems of the existing three-jaw chuck and jaws;
redesigning the jaws to draw a sketch;
performing three-dimensional modeling on the soft claw base and the sliding block;
drawing an engineering drawing by combining the three-dimensional modeling of the soft claw base and the sliding block;
and finishing the machining of the soft claw base and the sliding block on the machining center according to the requirements of a drawing and carrying out quality detection.
5. The method for preparing the chuck soft jaw with the stroke-adjustable bidirectional clamping surface as claimed in claim 4, wherein in the step of carrying out structural analysis on the existing three-jaw chuck and jaws to find out the problems of the existing three-jaw chuck and jaws, the steps further comprise:
the radial movement of three movable clamping jaws uniformly distributed on the three-jaw chuck is utilized to clamp and position the workpiece, the range of the type and the size of the clamped workpiece is found to be larger than the set clamping diameter, and the clamping positioning precision is low.
6. The method for preparing the chuck soft jaw with the stroke-adjustable bidirectional clamping surface as claimed in claim 4, wherein in the step of three-dimensionally modeling the soft jaw base and the slide block, the steps further comprise:
the shapes and the sizes of the soft claw base and the sliding block are preliminarily determined through sketching of the soft claw base and the sliding block.
7. The method for preparing the chuck soft claw with the stroke-adjustable bidirectional clamping surface as claimed in claim 4, wherein in the step of drawing an engineering drawing by combining three-dimensional modeling of the soft claw base and the sliding block,
and drawing an engineering drawing and an assembly drawing of the soft claw base and the sliding block by combining the three-dimensional modeling of the soft claw base and the sliding block.
8. The method for preparing the chuck soft claw with the stroke-adjustable bidirectional clamping surface as claimed in claim 1, is characterized in that after the machining of the soft claw base and the sliding block on the machining center is completed and the quality detection is carried out according to the requirements of drawings, experimental summary is carried out, and an experimental process flow chart is drawn.
Priority Applications (1)
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CN202110307650.0A CN113000879A (en) | 2021-03-23 | 2021-03-23 | Chuck soft claw with stroke-adjustable bidirectional clamping surface and preparation method |
Applications Claiming Priority (1)
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CN202110307650.0A CN113000879A (en) | 2021-03-23 | 2021-03-23 | Chuck soft claw with stroke-adjustable bidirectional clamping surface and preparation method |
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Application publication date: 20210622 |