CN111922740A - Lathe fixture of double-eccentric thin-wall sleeve - Google Patents

Lathe fixture of double-eccentric thin-wall sleeve Download PDF

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Publication number
CN111922740A
CN111922740A CN202010638460.2A CN202010638460A CN111922740A CN 111922740 A CN111922740 A CN 111922740A CN 202010638460 A CN202010638460 A CN 202010638460A CN 111922740 A CN111922740 A CN 111922740A
Authority
CN
China
Prior art keywords
disc
sleeve
eccentric
thin
double
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
Application number
CN202010638460.2A
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Chinese (zh)
Inventor
刘春利
陈慧潇
赵红梅
范庆林
罗云龙
刘胜永
郝龙
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Hebei Normal University
Original Assignee
Hebei Normal University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hebei Normal University filed Critical Hebei Normal University
Priority to CN202010638460.2A priority Critical patent/CN111922740A/en
Publication of CN111922740A publication Critical patent/CN111922740A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, 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
    • B23Q2703/00Work clamping
    • B23Q2703/02Work clamping means
    • B23Q2703/10Devices for clamping workpieces of a particular form or made from a particular material

Abstract

The invention relates to a lathe fixture with double eccentric thin-wall sleeves, which comprises a fixture sleeve, an eccentric disc, an index plate, a rotating disc and a clamping sleeve, wherein the eccentric disc is arranged on the fixture sleeve in a sliding manner, the index plate is arranged on the eccentric disc, the rotating disc is arranged on the index plate, the clamping sleeve is arranged on the rotating disc, a part sleeve matched with a part in a clamping manner is arranged in the clamping sleeve, the part sleeve is an open sleeve with a taper on the outer circle, the side wall of the part sleeve is provided with a notch, the clamping sleeve is provided with a taper hole corresponding to the shape of the part sleeve, the clamping sleeve is provided with an internal thread, one end of the rotating disc is provided with an external thread, and the rotating disc is connected with; the invention has simple operation, can realize the processing of double-eccentric thin-wall sleeve parts and ensures the size and geometric precision of workpieces. The clamp sleeve, the eccentric disc, the index plate, the rotating disc, the clamping sleeve and the part sleeve are compactly connected, and smooth implementation of machining of the double-eccentric thin-wall sleeve workpiece on a lathe is guaranteed.

Description

Lathe fixture of double-eccentric thin-wall sleeve
Technical Field
The invention relates to a lathe fixture for a double-eccentric thin-wall sleeve.
Background
Eccentric and thin-walled parts are widely applied to mechanical equipment, but are difficult to machine when machined by a lathe.
The eccentric part means that the axes of the excircle and the excircle or the excircle and the inner hole are parallel but not coincident, and the two axes have a certain distance. The eccentric parts are difficult to align and clamp, and the machining precision is difficult to guarantee. The machining method of the eccentric workpiece mainly comprises four methods, which are respectively as follows: the method comprises a three-jaw linkage chuck gasket adding method, a four-jaw independent chuck method, a front and back two-center offset method and a method for turning an eccentric workpiece by using an eccentric chuck.
The thin-walled part is a part having a ratio of the part diameter D to the wall thickness of usually more than 40, and has a wall thickness of about 0.25 to 2 mm. Thin-wall parts are poor in rigidity, easy to deform and sensitive to cutting heat, the requirements for dimensional accuracy and form and position tolerance are strict, deformation and damage can be caused due to the influence of various factors in the machining process, and unqualified products and even waste products are easy to generate. Therefore, the clamping mode of the parts is very important. The machining of thin-walled workpieces is generally of two types: machining an outer circle and an inner hole. The clamping modes include the following modes: the clamping force is uniformly distributed, such as an opening sleeve and an arc-shaped soft claw; increasing a supporting surface; changing the point of action of the clamping force; clamping with a mandrel, etc.
Although the eccentric thin-wall parts are clamped in the above clamping mode, the operability and the machining precision of the eccentric thin-wall parts are not ideal sometimes, and the machining difficulty of the eccentric thin-wall parts is more difficult to realize. Therefore, the special clamp for machining the double-eccentric thin-wall sleeve by the lathe is designed, and the clamp body meets the following requirements in the aspects: (1) the principle of centralized working procedures and unified reference reduces the clamping times and time of the workpiece; (2) a quasi-positioning principle; (3) the stability principle is that the workpiece has enough strength and rigidity so as to prevent the workpiece from deforming and damaging due to various forces in the machining process; (4) the structure manufacturability is good, and the adjustment of the rotation angle around the Z axis, the X axis eccentric movement and the assembly of the whole structure are facilitated; (5) the operation is simple; (6) the dimensional and geometric accuracy of the machined workpiece is easily ensured. In a word, the special fixture has positive significance for the machining precision and the production efficiency of the double-eccentric thin-wall external member machined by the lathe.
Disclosure of Invention
The invention aims to solve the technical problem of providing a lathe fixture with a double-eccentric thin-wall sleeve so as to improve the machining precision and efficiency of workpieces.
The technical scheme adopted by the invention is as follows: the utility model provides a lathe fixture of double-eccentric thin wall cover, its includes anchor clamps cover, slide the eccentric disc that sets up on anchor clamps cover, install graduated disk on the eccentric disc, install the rolling disc on the graduated disk and install the clutch collar on the rolling disc, be equipped with in clutch collar to be used for with the tight complex part cover of part clamp, the part cover has the opening cover of tapering for the excircle, and it has the opening to open on the lateral wall of part cover, is equipped with the taper hole corresponding with the shape of part cover on clutch collar, be equipped with the internal thread on the clutch collar, be equipped with the external screw thread in the one end of rolling disc, the rolling disc passes through threaded connection with clutch collar.
Furthermore, the eccentric disc is provided with a threaded hole, the index disc and the rotating disc are provided with through holes, the eccentric disc, the index disc and the rotating disc are connected through a first stud, one end of the first stud is connected with the threaded hole of the eccentric disc, and the other end of the first stud is screwed with a nut after penetrating through the rotating disc.
Furthermore, a positioning key is arranged on the side wall of the rotating disc opposite to the indexing disc, and 8 positioning grooves matched with the positioning key are uniformly arranged on the side wall corresponding to the indexing disc in a circular array.
Furthermore, a trapezoidal hole used for realizing the positioning of the processed part is arranged on the side wall corresponding to the rotating disc, and an annular groove is formed in the left end face of the inner cavity of the trapezoidal hole and used for placing the processed thin-wall part of the workpiece.
Furthermore, a Y-shaped sliding groove is formed in the side wall, corresponding to the clamp sleeve, of the eccentric disc, a first T-shaped through groove matched with the Y-shaped sliding groove is formed in the side wall, corresponding to the clamp sleeve, a first stop block is arranged on the eccentric disc in the direction of the Y-shaped sliding groove, a second stop block is correspondingly arranged on the clamp sleeve, and a second stud is arranged on the first stop block and the second stop block.
Furthermore, a second T-shaped through groove is formed below the first T-shaped through groove, a third stop block is arranged in the second T-shaped through groove, a U-shaped trapezoidal through groove is formed in the edge of the eccentric disc, and a bolt penetrates through the U-shaped trapezoidal through groove and then is in threaded connection with a threaded hole in the third stop block.
Furthermore, the side wall of the rotating disc opposite to the dividing disc is provided with an annular positioning bulge, and the dividing disc is correspondingly provided with an annular positioning groove.
Furthermore, a rotating disc through groove is formed in the rotating disc in the radial direction.
Furthermore, 2 of the 8 positioning grooves on the index plate are through grooves, and 2 counter bores are arranged on the index plate; the eccentric disc is provided with 2 positioning keys corresponding to the through grooves, 2 threaded holes matched with the screws are formed in the eccentric disc, and the dividing disc is connected with the eccentric disc through the screws penetrating through the counter bores.
Furthermore, a scale is arranged on the clamp sleeve, the scale is parallel to the sliding direction of the dividing plate and is positioned on one side of the dividing plate, and one side of the dividing plate corresponding to the dividing plate is planar.
The invention has the positive effects that: when the clamp is used for clamping, a part blank is placed into the part sleeve, and the clamping and positioning of a thin-wall workpiece are realized through the clamping sleeve and the rotating disc, so that the machining of one side is smoothly realized; after turning around, putting the part processed on one side into a rotating disc and a part sleeve, realizing the rotation of the part in the XY plane at the angle required by the rotation perpendicular to the Z axis through the rotating disc and an index plate, and screwing and fixing the part to achieve the processing that two eccentric holes have a certain angle; the eccentric movement in the X-axis direction is realized through the eccentric disc and the clamp sleeve, and the clamp sleeve is screwed and fixed, so that the eccentric machining is realized. Therefore, the effective processing precision and efficiency of the whole double-eccentric thin-wall sleeve workpiece are achieved.
The invention has simple operation, can realize the processing of double-eccentric thin-wall sleeve parts and ensures the size and geometric precision of workpieces. The clamp sleeve, the eccentric disc, the index plate, the rotating disc, the clamping sleeve and the part sleeve are compactly connected, and smooth implementation of machining of the double-eccentric thin-wall sleeve workpiece on a lathe is guaranteed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of a rotating disk of the present invention;
FIG. 4 is a schematic view of a rotating disk structure according to the present invention;
FIG. 5 is a front view of the index plate of the present invention;
FIG. 6 is a schematic view of the back of the index plate of the present invention;
FIG. 7 is a schematic view of the structure of the eccentric disc of the present invention;
FIG. 8 is a schematic view of a clamp sleeve according to the present invention;
FIG. 9 is a front view of a machined part of the present invention;
FIG. 10 is a left side view of the machined part of the present invention;
FIG. 11 is a blank view of a machined part of the present invention.
In the attached drawing, 1-a clamp sleeve, 2-an eccentric disc, 3-an index disc, 4-a rotating disc, 5-a clamping sleeve, 6-a part sleeve, 7-a first stud, 8-a positioning key, 9-a positioning groove, 10-a herringbone sliding groove, 11-a first T-shaped through groove, 12-a first stop block, 13-a second stop block, 14-a second stud, 15-a rotating disc through groove, 16-an annular positioning bulge, 17-a scale, 18-a second T-shaped through groove, 19-a third stop block and 20-a U-shaped trapezoidal through groove.
Detailed Description
As shown in the attached drawings 1-8, the invention comprises a clamp sleeve 1, an eccentric disc 2, an index disc 3, a rotating disc 4, a clamping sleeve 5 and a part sleeve 6 which are connected in sequence. The eccentric disc 2 is arranged on the clamp sleeve 1 in a sliding mode, the angle between the dividing disc 3 and the rotating disc 4 can be adjusted, the double-eccentric thin-wall part can integrally rotate in the XY plane shown in the drawing at a certain angle and eccentrically move in the X-axis direction, and the clamping sleeve 5 and the part sleeve 6 can be matched to achieve reasonable positioning and clamping of the part, so that machining of the double-eccentric thin-wall part with a certain angle can be achieved smoothly.
The part sleeve 6 is sleeved in the clamping sleeve 5 and used for clamping and matching the processed part, and is an opening sleeve with a taper on the outer side wall and a stepped hole inside. The inner diameter of the part sleeve is about 0.4mm larger than the maximum diameter of a machined part, so that the part can be conveniently clamped and unloaded, a layer of thin felt is attached to the inner wall of the part sleeve 6 and tightly attached to the inside of the stepped hole, the part sleeve 6 is guaranteed to be in flexible contact with the machined part, and the part is prevented from being damaged and deformed. The clamping sleeve 5 is provided with a taper hole matched with the part sleeve 6, the clamping sleeve 5 is provided with an internal thread, one end of the rotating disc 4 is provided with an external thread, and the rotating disc 4 is in threaded connection with the clamping sleeve 5. The side wall of the part sleeve 6 is provided with a gap along the length direction, the inner side end of the part sleeve 6 is close to the rotating disc 4, the clamping sleeve 5 is screwed to move towards one side close to the rotating disc 4, so that the gap of the gap on the part sleeve 6 is reduced, and the workpiece to be machined is clamped by inwards contracting.
As shown in fig. 2, the external structure of the clamping sleeve 5 looks like a bottle cap, the right side of the clamping sleeve is provided with a taper hole, the taper hole has the same taper with the outer side wall of the part sleeve 6, the left side of the clamping sleeve is provided with internal threads and is connected with external threads at the right end of the rotating disc 4, and the clamping sleeve 5 is screwed in and out to realize locking and unlocking with the part sleeve 6.
The left end face of the rotating disc 4 is provided with a circle of annular positioning bulges 16 which are matched with the annular positioning grooves on the right end face of the indexing disc 3, so that the rotating disc 4 can rotate at a required angle in an XY plane along a direction vertical to a Z axis. A rotating disc through groove 15 is formed in the middle of the rotating disc 4, a through hole is formed between the rotating disc through groove 15 and the left end face of the rotating disc 4 and used for enabling the first stud 7 to penetrate in and out, and the rotating disc through groove 15 is convenient for a wrench to be placed in to perform nut rotation and tightening operation of bolts. A trapezoidal hole is formed between the through groove 15 of the rotating disc and the right end face of the rotating disc 4, and is used for positioning a machined part, so that the Z-direction freedom degree of the machined part can be limited, and meanwhile, the whole assembly of the clamp is facilitated. In addition, the left end face of the trapezoidal hole is provided with an annular groove, and the purpose is to place the processed thin-wall part into the annular groove to play roles of positioning and protecting.
4 groups of 8 positioning grooves 9 are uniformly distributed at the inner position of an annular positioning groove at the right end surface of the dividing plate 3 in the circumferential direction, 2 opposite in circumference are 1 group, wherein the 1 group is a through groove, 2 positioning keys 8 are oppositely arranged at the left end surface of the rotating plate 4 and are matched with 2 positioning grooves 9 for use, and the rotating plate 4 can be rotatably positioned at 45 degrees, 90 degrees, 135 degrees and 180 degrees in the Z-axis direction. Two countersunk holes are formed in the circumferential direction of the dividing disc 3, so that screws can be conveniently put in the countersunk holes to connect the dividing disc 3 and the eccentric disc 2. The middle part of the dividing plate 3 is provided with a through hole for the first stud 7 to pass in and out.
The right end face of the eccentric disc 2 is provided with 2 positioning keys and 2 threaded holes. The 2 positioning keys correspond to the 1 group of through grooves of the dividing plate 3 and are used for rotationally fixing the X shafts of the eccentric plate 2 and the dividing plate 3; the 2 threaded holes are used for being connected with screws penetrating through countersunk holes in the dividing plate 3, so that the positioning and the locking of the eccentric plate 2 and the dividing plate 3 are ensured. The center of the right end face of the eccentric disc 2 is also provided with a threaded hole, so that the eccentric disc 2, the dividing disc 3 and the rotating disc 4 are fixedly connected together through a connecting structure of a first stud 7 and a nut.
Be equipped with a chinese character 'ji' shape spout 10 at the left end face of eccentric disc 2, be equipped with the logical groove 11 of first T shape that corresponds with it on anchor clamps cover 1, simultaneously be in the below that the logical groove 11 of first T shape was equipped with the logical groove 18 of second T shape, be equipped with third dog 19 in the logical groove 18 of second T shape, be equipped with the trapezoidal logical groove 20 of U word at the edge of eccentric disc 2, threaded connection is realized with the screw hole on the third dog 19 after the bolt passed the trapezoidal logical groove 20 of U word, can realize the locking that chinese character 'ji' shape spout 10 and second T shape led to groove 18, guarantee that whole anchor clamps can not take place to drop at the during operation.
In order to realize the sliding of the eccentric disc 2, a first stop 12 is arranged on the eccentric disc 2 along the direction of the herringbone sliding groove 10, a second stop 13 is correspondingly arranged on the clamp sleeve 1, a second stud 14 is arranged between the first stop 12 and the second stop 13, and the distance between the first stop 12 and the second stop 13 can be adjusted by rotating the second stud 14, so that the eccentric disc 2 slides along the first T-shaped through groove 11.
In order to ensure the accuracy of the eccentricity, a scale 17 is arranged on the clamp sleeve 1 and on one side of the eccentric disc 2, the scale is positioned parallel to the sliding direction of the dividing disc 3 and on one side of the dividing disc 3, and the corresponding side of the dividing disc 2 is planar.
The left end structure of the clamp sleeve 1 is in a trapezoid shaft shape and is used for positioning and clamping the three-jaw self-centering chuck.
When the fixture is used for clamping, a part blank is placed into the part sleeve 6, and the thin-wall workpiece is positioned and clamped through the clamping sleeve 5 and the rotating disc 4, so that one side of the workpiece is smoothly machined; after turning around, the part that one side was processed is gone into in the part cover 6, realizes perpendicular to Z axle at the required angle of XY plane rotation and screws up fixedly through rolling disc 4 and graduated disk 3, reaches the processing that two eccentric orfices have certain angle, realizes the eccentric removal of X axle direction and screws up fixedly through eccentric disc 2 and anchor clamps cover 1, realizes eccentric processing. Therefore, the effective processing precision and efficiency of the whole double-eccentric thin-wall sleeve workpiece are achieved.
The blank drawing and the finished drawing of the machined part are shown as the attached drawings 9-11, and the specific clamping process of the double-eccentric thin-wall sleeve is summarized as follows:
when the three-jaw self-centering chuck is used, the clamp sleeve 1 is clamped on the three-jaw self-centering chuck.
Firstly, a fixture is clamped, and a three-jaw self-centering chuck is used for clamping a fixture sleeve 1.
Secondly, the machined part blank (the size and the structure of which meet the requirements of drawings, the outer circle ∅ 50 and the length of 45) is placed into the part sleeve 6 of the clamp, and the left end face of the part is in contact with the left end face of the inner cavity of the trapezoidal hole of the rotating disc 4, so that the Z-direction positioning is realized. The clamping sleeve 5 is rotated to move leftwards, the part sleeve 6 is contracted through taper fit, the excircle surface of the part blank is ensured to be in close contact with the inner surface of the part sleeve 6, and the part is tightened after the clamping sleeve 5 is screwed. At this time, ∅ 48 inner holes (thin wall portions) are machined to the dimensions required in the drawing.
And thirdly, unscrewing the clamping sleeve 5, loosening the part sleeve 6, taking out the parts, turning around, putting the parts into the trapezoidal hole of the rotating disc 4, and paying attention to putting the processed thin-wall part into the annular groove on the left end surface of the inner cavity of the trapezoidal hole. And (5) tightening the clamping sleeve 5 to finish positioning and clamping. And (3) rotating the nut on the outer side of the second stud 14, moving the eccentric disc 2 along the X axis, and reading the numerical values of the graduated scales on the eccentric disc 2 and the clamp sleeve 1 until the eccentric requirement of the drawing is met (11.5 +/-0.02). Then, the hexagon socket screws on the two sides of the eccentric disc 2 are screwed down, and the first eccentric small hole ∅ 25 is machined to the size required by the drawing.
Fourthly, loosening the nut in the middle of the rotating disc 4 and rotating the rotating discs 4 to 135°After the position, the nut is screwed down, and 135-degree eccentric positioning clamping is realized. The second eccentric aperture ∅ 25 is machined to the dimensions required in the drawing.
And fifthly, completing the processing, unscrewing the clamping sleeve 5 and unloading the processed parts.

Claims (10)

1. The utility model provides a lathe fixture of two eccentric thin wall covers, its characterized in that includes anchor clamps cover (1), slide eccentric disc (2) of setting on anchor clamps cover (1), install graduated disk (3) on eccentric disc (2), install rolling disc (4) on graduated disk (3) and install clamping sleeve (5) on rolling disc (4), be equipped with in clamping sleeve (5) and be used for pressing from both sides tight complex part cover (6) with the part, part cover (6) are the opening cover that the excircle has the taper, and it has the opening to open on the lateral wall of part cover (6), is equipped with the taper hole corresponding with the shape of part cover (6) on clamping sleeve (5), be equipped with the internal thread on clamping sleeve (5), be equipped with the external screw thread in the one end of rolling disc (4), rolling disc (4) and clamping sleeve (5) pass through threaded connection.
2. The lathe fixture of the double-eccentric thin-wall sleeve as claimed in claim 1, wherein the eccentric disc (2) is provided with a threaded hole, the index disc (3) and the rotating disc (4) are provided with a through hole, the eccentric disc (2), the index disc (3) and the rotating disc (4) are connected through a first stud (7), one end of the first stud (7) is connected with the threaded hole of the eccentric disc (2), and the other end of the first stud penetrates through the rotating disc (4) and then is screwed with a nut.
3. The turning attachment of a double eccentric thin-walled sleeve according to claim 1 or 2, characterized in that the side wall of the rotating disc (4) opposite to the index plate (3) is provided with a positioning key (8), and the side wall corresponding to the index plate (3) is uniformly provided with 8 positioning grooves (9) in a circular array for matching with the positioning key (8).
4. The turning attachment of a double eccentric thin wall sleeve as claimed in claim 3, characterized in that a trapezoidal hole for positioning the machined part is arranged on the side wall of the rotating disc (4) corresponding to the part sleeve (6), and an annular groove is arranged on the left end face of the inner cavity of the trapezoidal hole for placing the machined thin wall part of the workpiece.
5. The turning attachment of a pair of eccentric thin wall sleeves of claim 1, characterized by that there are Chinese character 'ji' shaped concrete chutes (10) on the sidewall that the said eccentric disc (2) corresponds to clamp set (1), there are first T-shaped through grooves (11) cooperating with Chinese character 'ji' shaped concrete chutes (10) on the sidewall that the clamp set (1) corresponds to, there are first dogs (12) on the eccentric disc (2) along the direction of Chinese character 'ji' shaped concrete chute (10), there are second dogs (13) on the clamp set (1) correspondingly, there are second stud bolts (14) between first dog (12) and second dog (13).
6. The turning attachment of a pair of eccentric thin wall cover of claim 5, characterized by that in the said first T-shaped through slot (11) below is equipped with the second T-shaped through slot (18), there is the third dog (19) in the second T-shaped through slot (18) activity, there are trapezoidal through slots of U-letter (20) in the edge of the eccentric disc (2), the bolt realizes the threaded connection with the screwed hole on the third dog (19) after passing the trapezoidal through slot of U-letter (20).
7. The turning attachment of a double eccentric thin-walled sleeve according to claim 3, characterized in that the side wall of the rotating disk (4) opposite to the indexing disk (3) is provided with an annular positioning protrusion (16), and the indexing disk (3) is correspondingly provided with an annular positioning groove.
8. The turning attachment of a double eccentric thin-walled sleeve according to claim 2, characterized in that the turning disc through slots (15) are provided in the radial direction on the turning disc (4).
9. The turning attachment of a double eccentric thin-walled sleeve according to claim 3, characterized in that 2 of the 8 positioning grooves on the index plate (3) are through grooves, and 2 countersunk holes are provided on the index plate (3); the eccentric disc (2) is provided with 2 positioning keys corresponding to the through grooves, 2 threaded holes matched with the screws are formed in the eccentric disc (2), and the dividing disc (3) is connected with the eccentric disc (2) through the screws penetrating through the counter bores.
10. The lathe fixture of a double-eccentric thin-wall sleeve as claimed in claim 1, characterized in that a scale (17) is arranged on the fixture sleeve (1), the scale is parallel to the sliding direction of the dividing plate (2) and is positioned on one side of the dividing plate (2), and the side corresponding to the dividing plate (2) is planar.
CN202010638460.2A 2020-07-06 2020-07-06 Lathe fixture of double-eccentric thin-wall sleeve Pending CN111922740A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010638460.2A CN111922740A (en) 2020-07-06 2020-07-06 Lathe fixture of double-eccentric thin-wall sleeve

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Application Number Priority Date Filing Date Title
CN202010638460.2A CN111922740A (en) 2020-07-06 2020-07-06 Lathe fixture of double-eccentric thin-wall sleeve

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Publication Number Publication Date
CN111922740A true CN111922740A (en) 2020-11-13

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