CN212496662U - Special device for checking concentricity of machined part of lathe - Google Patents
Special device for checking concentricity of machined part of lathe Download PDFInfo
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- CN212496662U CN212496662U CN201921920638.1U CN201921920638U CN212496662U CN 212496662 U CN212496662 U CN 212496662U CN 201921920638 U CN201921920638 U CN 201921920638U CN 212496662 U CN212496662 U CN 212496662U
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Abstract
The utility model discloses a special device for checking the concentricity of machined parts of a lathe, which comprises a main shaft box and a movable tool rest, wherein the main shaft box is provided with a main shaft motor, the outer end of a main shaft on the rotating end of the main shaft motor is fixedly connected with a lathe chuck, and the machined parts are clamped on the jaws of the lathe chuck; a movable tool rest is arranged on a T-shaped slide rail on the bottom plate, a slide rod is arranged in a slide hole of the movable tool rest, a positioning wheel is sleeved on a fixing pin on the slide rod, a positioning rotating clamp is arranged on a positioning plate on the movable tool rest, and a wear-resistant ball at the inner end of a positioning bolt on the positioning rotating clamp is tightly attached to a workpiece. The device is additionally provided with a fixed pin, a concentricity calibration positioning wheel is arranged on the fixed pin, when a lathe chuck clamps a workpiece, the positioning wheel is close to the workpiece, and the concentricity of the workpiece is aligned by utilizing the self-rotation of the positioning wheel; in addition, a positioning rotating clamp is additionally arranged, after the concentricity of a machined part is calibrated, the positioning rotating clamp is used for positioning the center, and further positioning machining is carried out, so that the concentricity machining precision of round steel workpieces such as bolts, shafts, pins and the like can be ensured.
Description
Technical Field
The utility model relates to a metallurgical industry steel rolling production facility technical field especially relates to a isolated plant of check-up lathe machined part concentricity.
Background
A lathe is a machine tool for turning a rotating workpiece mainly with a turning tool, and it is very important to ensure the concentricity of the workpiece during the rotation.
At present, when a lathe is used for machining a round steel workpiece, manual concentricity verification is usually carried out in a small hammer knocking mode, and the machining precision is low. Therefore, a special device for verifying the concentricity of the lathe workpiece is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a special device for checking the concentricity of machined parts of a lathe.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a special device for checking the concentricity of machined parts of a lathe comprises a main shaft box and a movable tool rest, wherein a main shaft motor is transversely arranged in the main shaft box, a main shaft is transversely arranged at the rotating end of the main shaft motor, a lathe chuck is fixedly connected to the outer end of the main shaft, a jaw driving mechanism is arranged at the inner end of the lathe chuck, a plurality of jaws are arranged at the outer end of the lathe chuck, and machined parts are clamped on the jaws together;
the lathe chuck is characterized in that a bottom plate is transversely arranged on one side of the lathe chuck, the bottom plate is a rectangular long plate, two ends of the bottom plate are fixedly connected with baffle plates, a T-shaped slide rail is transversely arranged on the bottom plate, a movable tool rest is arranged on the T-shaped slide rail, the movable tool rest is a rectangular plate, a T-shaped groove is transversely recessed in the bottom surface of the movable tool rest, the T-shaped slide rail is clamped in the T-shaped groove and transversely penetrates through the T-shaped groove, a slide hole is longitudinally formed in one side of the movable tool rest, a through slide rod is arranged in the slide hole of the movable tool rest, a fixed pin is transversely arranged at the inner end of the slide rod, a positioning wheel is sleeved on the fixed pin, a workpiece is tightly attached to the;
a positioning plate is longitudinally and fixedly connected to the other side, corresponding to the sliding hole, of the rear end face of the movable tool rest, reinforcing blocks are arranged at the included angles between the two sides of the bottom end of the positioning plate and the movable tool rest, a positioning screw hole is formed in the position, corresponding to the center of the main shaft, of the positioning plate, a positioning bolt is spirally connected in the positioning screw hole, a positioning rotating clamp is fixedly connected to the outer end of the positioning bolt, the positioning rotating clamp is a gear-shaped disc, a wear-resistant ball is fixedly connected to the inner end of the positioning bolt, the wear-resistant ball is hemispherical, and the outer surface of the wear-resistant ball is tightly attached;
one side vertically is equipped with the second slide rail on the movable knife rest top surface, be equipped with the carousel on the second slide rail, vertically sunken there is the second spout on the carousel bottom surface, the second slide rail card is established in the second spout, just the second slide rail vertically runs through the second spout, sunken pivot groove in the middle of the top surface of carousel, the pivot inslot is equipped with the pivot, pivot top cover is equipped with the connecting rod, the other end of connecting rod is equipped with the lathe tool seat.
Preferably, the inner end of each jaw is fixedly connected with the jaw driving mechanism, an adjusting screw hole is formed in the outer side surface of the lathe chuck, the adjusting screw hole penetrates through the chuck wall of the lathe chuck to the jaw driving mechanism, and an adjusting wrench is spirally connected in the adjusting screw hole.
Preferably, the outer end of the slide bar is transversely provided with a handle, the outer surface of the handle is sleeved with an anti-slip sleeve, the top surface of the slide bar is longitudinally provided with a limiting groove, a pair of limiting screw holes is sunken in the position, corresponding to the sliding hole in the movable knife rest, on the top surface of the movable knife rest, each limiting screw hole penetrates through the sliding hole in the movable knife rest, each limiting screw hole is spirally connected with a limiting bolt, and each limiting bolt penetrates through the corresponding limiting screw hole and the limiting groove in the slide bar.
Preferably, a plurality of semicircular holes are distributed around the positioning rotary clamp, positioning grooves are formed in the outer side surface of the positioning plate and correspond to the semicircular holes of the positioning rotary clamp, the number of the positioning grooves is three, the positioning grooves are uniformly distributed around the positioning screw holes of the positioning plate, and positioning rods are inserted into the positioning grooves.
Preferably, the rigid coupling has L shape to change the handle on the pivot top surface, be equipped with a pair of fixed silk hole on the top surface of lathe tool seat, the position that lathe tool seat and fixed silk hole correspond is equipped with the lathe tool, the vertical through-hole that is equipped with of lathe tool one end, every all be equipped with fixing bolt on the fixed silk hole, fixing bolt passes through-hole and fixed silk hole screwed connection on the lathe tool.
Preferably, the spindle motor is externally connected with a control switch, and the control switch is externally connected with a power line.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the fixed pin is added at one end of the sliding rod on the movable tool rest, the concentricity calibrating and positioning wheel is arranged on the fixed pin, when a clamping jaw on a lathe chuck clamps a workpiece, the workpiece is rotated, the positioning wheel is close to the workpiece, and the concentricity of the workpiece is aligned by utilizing the self-rotation of the positioning wheel;
2. by additionally arranging the positioning rotary clamp, after the concentricity of the workpiece is calibrated, the positioning bolt on the positioning rotary clamp is used for positioning the center of the workpiece, and further positioning and processing are carried out, so that the concentricity processing precision of round steel workpieces such as bolts, shafts, pins and the like can be ensured;
in conclusion, the device has the advantages that the fixed pin is additionally arranged at one end of the sliding rod on the movable tool rest, the concentricity calibrating and positioning wheel is arranged on the fixed pin, when the clamping jaw on the lathe chuck clamps the workpiece, the workpiece is rotated, the positioning wheel is close to the workpiece, and the workpiece concentricity is aligned by utilizing the self-rotation of the positioning wheel; through additionally arranging the positioning rotary clamp, after the concentricity of the machined part is calibrated, the center of the machined part is positioned by the positioning bolt on the positioning rotary clamp, and then positioning processing is carried out, so that the concentricity processing precision of round steel workpieces such as bolts, shafts, pins and the like can be ensured.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a top sectional view of a special device for checking the concentricity of a machined part of a lathe according to the present invention;
fig. 2 is a partial top view of a special device for checking the concentricity of a lathe workpiece according to the present invention;
fig. 3 is a partial top view of a special device for checking the concentricity of a lathe workpiece according to the present invention;
fig. 4 is a partial left side view of the special device for checking the concentricity of a lathe workpiece according to the present invention;
fig. 5 is an enlarged view of a portion a in fig. 1 of the special device for checking the concentricity of a machined part of a lathe according to the present invention;
fig. 6 is a partial right side view in fig. 5 of a special device for checking the concentricity of a machined part of a lathe according to the present invention;
fig. 7 is an enlarged view of a portion B in fig. 1 of the special device for checking the concentricity of a machined part of a lathe according to the present invention;
FIG. 8 is a top view of the slide bar linkage of FIG. 1 of a special apparatus for checking the concentricity of a machined part of a lathe according to the present invention;
number in the figure: the lathe comprises a main spindle box 1, a main spindle motor 2, an adjusting screw hole 3, an adjusting wrench 4, a main spindle 5, a lathe chuck 6, a jaw driving mechanism 7, a jaw 8, a machined part 9, a baffle plate 10, a bottom plate 11, a T-shaped slide rail 12, a handle 13, a slide rod 14, a movable tool rest 15, a positioning rotating clamp 16, a positioning wheel 17, a limiting block 18, a limiting bolt 19, a rotating disc 20, an L-shaped rotating handle 21, a rotating shaft 22, a connecting rod 23, a lathe tool seat 24, a positioning plate 25, a reinforcing block 26, a positioning bolt 27, a wear-resistant ball 28, a positioning groove 29, a positioning rod 30, a lathe tool 31, a fixing bolt 32, a limiting groove 33.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-8, a special device for checking concentricity of machined parts of a lathe comprises a main shaft box 1 and a movable tool rest 15, wherein a main shaft motor 2 is transversely installed in the main shaft box 1, the main shaft motor 2 is externally connected with a control switch, the control switch is externally connected with a power line, a main shaft 5 is transversely installed at a rotating end of the main shaft motor 2, a lathe chuck 6 is fixedly connected to the outer end of the main shaft 5, a jaw driving mechanism 7 is installed at the inner end of the lathe chuck 6, a plurality of jaws 8 are installed at the outer end of the inner part of the lathe chuck 6, and machined parts 9 are clamped on the jaws 8;
a bottom plate 11 is transversely arranged on one side of a lathe chuck 6, the bottom plate 11 is a rectangular long plate, two ends of the bottom plate 11 are fixedly connected with baffle plates 10, a T-shaped slide rail 12 is transversely arranged on the bottom plate 11, a movable tool rest 15 is arranged on the T-shaped slide rail 12, the movable tool rest 15 is a rectangular plate, a T-shaped groove is transversely recessed in the bottom surface of the movable tool rest 15, the T-shaped slide rail 12 is clamped in the T-shaped groove, the T-shaped slide rail 12 transversely penetrates through the T-shaped groove, a slide hole is longitudinally arranged on one side of the movable tool rest 15, a through slide rod 14 is arranged in the slide hole of the movable tool rest 15, a fixing pin 34 is transversely arranged at the inner end of the slide rod 14, a positioning wheel 17 is sleeved on the fixing; the movable tool rest 15 slides back and forth on the T-shaped slide rail 12, and the positioning wheel 17 is used for calibrating the concentricity of the workpiece 9;
a positioning plate 25 is longitudinally fixedly connected to the other side, corresponding to the sliding hole, of the rear end face of the movable tool rest 15, reinforcing blocks 26 are arranged at the included angles between the two sides of the bottom end of the positioning plate 25 and the movable tool rest 15, a positioning screw hole is formed in the position, corresponding to the center of the main shaft 5, of the positioning plate 25, a positioning bolt 27 is spirally connected in the positioning screw hole, a positioning rotating clamp 16 is fixedly connected to the outer end of the positioning bolt 27, the positioning rotating clamp 16 is a gear-shaped disc, a wear-resistant ball 28 is fixedly connected to the inner end of the positioning bolt 27, the wear-resistant ball 28 is hemispherical, the service life of the positioning bolt 27 is prolonged by the wear-resistant ball 28, and;
a second slide rail 35 is longitudinally arranged on one side of the top surface of the movable tool rest 15, a rotary table 20 is arranged on the second slide rail 35, a second slide groove is longitudinally recessed in the bottom surface of the rotary table 20, the second slide rail 35 is clamped in the second slide groove, the second slide rail 35 longitudinally penetrates through the second slide groove, a rotary shaft groove is recessed in the middle of the top surface of the rotary table 20, a rotary shaft 22 is arranged in the rotary shaft groove, a connecting rod 23 is sleeved on the top of the rotary shaft 22, and a tool apron 24 is arranged at the other end of the; the turntable 20 slides back and forth longitudinally on the second slide rail 35.
In the utility model, the inner end of each clamping jaw 8 is fixedly connected with a clamping jaw driving mechanism 7, an adjusting screw hole 3 is arranged on the outer side surface of a lathe chuck 6, the adjusting screw hole 3 penetrates through the chuck wall of the lathe chuck 6 to the clamping jaw driving mechanism 7, and an adjusting wrench 4 is spirally connected in the adjusting screw hole 3; the jaw driving mechanism 7 is driven by screwing the adjusting wrench 4, so that the grasping degree of the workpiece 9 by the jaws 8 is adjusted.
In the utility model, the outer end of the slide bar 14 is transversely provided with a handle 13, the outer surface of the handle 13 is sleeved with an anti-skid sleeve, the top surface of the slide bar 14 is longitudinally provided with a limit groove 33, a pair of limit screw holes are sunken on the top surface of the movable knife rest 15 corresponding to the slide hole on the movable knife rest 15, each limit screw hole runs through the slide hole on the movable knife rest 15, a limit bolt 19 is spirally connected in each limit screw hole, and each limit bolt 19 runs through the corresponding limit screw hole to the limit groove 33 on the slide bar 14; the slide bar 14 slides back and forth in the slide hole of the movable tool rest 15, and the position of the slide bar 14 in the slide hole is fixed by screwing the limit bolt 19, so that the position of the positioning wheel 17 and the workpiece 9 is limited.
In the utility model, a plurality of semicircular holes are distributed around the positioning rotary clamp 16, positioning grooves 29 are recessed at positions corresponding to the semicircular holes of the positioning rotary clamp 16 on the outer side surface of the positioning plate 25, the number of the positioning grooves 29 is three, the positioning grooves 29 are uniformly distributed around the positioning screw holes on the positioning plate 25, and positioning rods 30 are inserted into the positioning grooves 29; the positioning rod 30 is inserted into the positioning groove 29, so that the rotation of the positioning rotary clamp 16 is limited, and the workpiece 9 is prevented from driving the positioning bolt 27 to rotate, and the state of the positioning rotary clamp 16 is prevented from being influenced.
In the utility model, an L-shaped rotating handle 21 is fixedly connected to the top surface of the rotating shaft 22, a pair of fixing screw holes are arranged on the top surface of the turning tool seat 24, a turning tool 31 is arranged at the position of the turning tool seat 24 corresponding to the fixing screw holes, a through hole is vertically arranged at one end of the turning tool 31, a fixing bolt 32 is arranged on each fixing screw hole, and the fixing bolt 32 passes through the through hole on the turning tool 31 and is in screw connection with the fixing screw holes; the positions of the connecting rod 23 and the lathe tool seat 24 on the rotating shaft 22 are adjusted by screwing the L-shaped rotating handle 21, so that the lathe tool 31 can conveniently position and process the workpiece 9, the movable tool rest 15 transversely moves on the T-shaped sliding rail 12, and the rotary table 20 longitudinally moves on the second sliding rail 35, so that the transverse and longitudinal displacement of the lathe tool 31 on the horizontal plane can be adjusted.
When the utility model is used, a fixing pin 34 is added at one end of the slide bar 14 on the movable tool rest 15, the concentricity calibrating and positioning wheel 17 is arranged on the fixing pin 34, after the clamping jaw 8 on the lathe chuck 6 clamps the workpiece 9, the workpiece 9 is rotated, the positioning wheel 17 is close to the workpiece 9, and the concentricity of the workpiece 9 is aligned by utilizing the self-rotation of the positioning wheel 17; by additionally arranging the positioning rotary clamp 16, after the concentricity of the workpiece 9 is calibrated, the positioning bolt 27 on the positioning rotary clamp 16 is used for positioning the center of the workpiece 9, and then positioning processing is carried out, so that the concentricity processing precision of round steel workpieces such as bolts, shafts, pins and the like can be ensured.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a isolated plant of check-up lathe machined part concentricity, includes headstock (1), removal knife rest (15), its characterized in that: a spindle motor (2) is transversely installed in the spindle box (1), a spindle (5) is transversely installed at the rotating end of the spindle motor (2), a lathe chuck (6) is fixedly connected to the outer end of the spindle (5), a jaw driving mechanism (7) is installed at the inner end of the lathe chuck (6), a plurality of jaws (8) are installed at the outer end of the lathe chuck (6), and a workpiece (9) is clamped on the jaws (8) together; the lathe chuck is characterized in that a bottom plate (11) is transversely arranged on one side of the lathe chuck (6), the bottom plate (11) is a rectangular long plate, baffle plates (10) are fixedly connected to two ends of the bottom plate (11) respectively, T-shaped slide rails (12) are transversely arranged on the bottom plate (11), a movable tool rest (15) is arranged on the T-shaped slide rails (12), the movable tool rest (15) is a rectangular plate, T-shaped grooves are transversely formed in the bottom surfaces of the movable tool rest (15), the T-shaped slide rails (12) are clamped in the T-shaped grooves, the T-shaped slide rails (12) transversely penetrate through the T-shaped grooves, slide holes are longitudinally formed in one side of the movable tool rest (15), slide rods (14) penetrating through the slide holes of the movable tool rest (15), fixing pins (34) are transversely arranged at the inner ends of the slide rods (14), and positioning wheels (, the outer surface of the inner side of the positioning wheel (17) is tightly attached to a workpiece (9), and the other end of the fixing pin (34) is fixedly connected with a limiting block (18); a positioning plate (25) is fixedly connected to the other side, corresponding to the sliding hole, of the rear end face of the movable tool rest (15) in the longitudinal direction, reinforcing blocks (26) are arranged at two sides of the bottom end of the positioning plate (25) and an included angle of the movable tool rest (15), a positioning screw hole is formed in the position, corresponding to the center of the main shaft (5), of the positioning plate (25), a positioning bolt (27) is connected to the inside of the positioning screw hole in a spiral mode, a positioning rotating clamp (16) is fixedly connected to the outer end of the positioning bolt (27), the positioning rotating clamp (16) is a gear-shaped disc, a wear-resisting ball (28) is fixedly connected to the inner end of the positioning bolt (27), the wear-resisting ball (28) is hemispherical, and the outer surface of the wear-resisting ball (28; one side vertically is equipped with second slide rail (35) on movable knife rest (15) top surface, be equipped with carousel (20) on second slide rail (35), vertically sunken have the second spout on carousel (20) bottom surface, second slide rail (35) card is established in the second spout, just second slide rail (35) vertically runs through the second spout, sunken have the pivot groove in the middle of the top surface of carousel (20), the pivot inslot is equipped with pivot (22), pivot (22) top cover is equipped with connecting rod (23), the other end of connecting rod (23) is equipped with lathe tool seat (24).
2. The special device for verifying the concentricity of the machined part according to claim 1, wherein: every the inner end of jack catch (8) all with jack catch actuating mechanism (7) rigid coupling, be equipped with on lathe chuck (6) the lateral surface and adjust screw hole (3), adjust screw hole (3) and run through the chuck wall to jack catch actuating mechanism (7) of lathe chuck (6), adjust screw hole (3) internal screw connection and have regulation spanner (4).
3. The special device for verifying the concentricity of the machined part according to claim 1, wherein: the outer end of slide bar (14) transversely is equipped with handle (13), the cover is equipped with anti-skidding cover on handle (13) surface, vertically be equipped with spacing groove (33) on the top surface of slide bar (14), on the top surface of removal knife rest (15) with the position that the slide opening corresponds on removal knife rest (15) sunken have a pair of spacing silk hole, every the spacing silk hole all runs through to the slide opening on removal knife rest (15) in, every equal screwed connection has spacing bolt (19) in the spacing silk hole, every spacing bolt (19) all run through corresponding spacing silk hole to spacing groove (33) on slide bar (14).
4. The special device for verifying the concentricity of the machined part according to claim 1, wherein: the utility model discloses a location rotary card (16) is fixed a position, the location rotary card is fixed a position (16) and fixed a position (25) the semicircle orifice of card (16) is fixed a position, the quantity of constant head tank (29) is three, and constant head tank (29) evenly distributed is around the location silk hole of locating plate (25), constant head tank (29) interpolation is equipped with locating lever (30).
5. The special device for verifying the concentricity of the machined part according to claim 1, wherein: the rigid coupling has L shape to change (21) on pivot (22) top surface, be equipped with a pair of fixed silk hole on the top surface of lathe tool seat (24), lathe tool seat (24) are equipped with lathe tool (31) with the position that the fixed silk hole corresponds, the vertical through-hole that is equipped with of lathe tool (31) one end, every all be equipped with fixing bolt (32) on the fixed silk hole, through-hole and fixed silk hole screwed connection on lathe tool (31) are passed in fixing bolt (32).
6. The special device for verifying the concentricity of the machined part according to claim 1, wherein: the spindle motor (2) is externally connected with a control switch, and the control switch is externally connected with a power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920638.1U CN212496662U (en) | 2019-11-08 | 2019-11-08 | Special device for checking concentricity of machined part of lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920638.1U CN212496662U (en) | 2019-11-08 | 2019-11-08 | Special device for checking concentricity of machined part of lathe |
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| Publication Number | Publication Date |
|---|---|
| CN212496662U true CN212496662U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920638.1U Active CN212496662U (en) | 2019-11-08 | 2019-11-08 | Special device for checking concentricity of machined part of lathe |
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| CN (1) | CN212496662U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974863A (en) * | 2021-02-25 | 2021-06-18 | 新兴铸管股份有限公司 | Be used for lathe processing auxiliary positioning device |
| CN114871456A (en) * | 2022-06-08 | 2022-08-09 | 安庆中船柴油机有限公司 | Finish machining turning device for piston rod of marine diesel engine |
-
2019
- 2019-11-08 CN CN201921920638.1U patent/CN212496662U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112974863A (en) * | 2021-02-25 | 2021-06-18 | 新兴铸管股份有限公司 | Be used for lathe processing auxiliary positioning device |
| CN114871456A (en) * | 2022-06-08 | 2022-08-09 | 安庆中船柴油机有限公司 | Finish machining turning device for piston rod of marine diesel engine |
| CN114871456B (en) * | 2022-06-08 | 2023-10-27 | 安庆中船柴油机有限公司 | Marine diesel engine piston rod finish machining turning device |
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