CN108296577B - PMC car silk machine material loading manipulator - Google Patents
PMC car silk machine material loading manipulator Download PDFInfo
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- CN108296577B CN108296577B CN201810195407.2A CN201810195407A CN108296577B CN 108296577 B CN108296577 B CN 108296577B CN 201810195407 A CN201810195407 A CN 201810195407A CN 108296577 B CN108296577 B CN 108296577B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
- B23G11/00—Feeding or discharging mechanisms combined with, or arranged in, or specially adapted for use in connection with, thread-cutting machines
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Abstract
The invention discloses a PMC threading machine feeding manipulator, which is characterized in that a rack is provided with a middle supporting plate capable of transversely reciprocating, a longitudinal driving motor capable of longitudinally reciprocating is arranged on the middle supporting plate, a rotating shaft of the longitudinal driving motor is connected with a clamping mechanism, the clamping mechanism comprises a connecting disc, an installing sleeve, an end disc, a cam driving motor and a plurality of clamping components, the connecting disc, the installing sleeve and the end disc are sequentially and coaxially connected, the rotating shaft of a corner motor drives the connecting disc, the cam is positioned in an inner ring of the installing sleeve, the cam driving motor is arranged on the side surface of the end disc and drives the cam to rotate, the installing sleeve is provided with a plurality of through holes at equal intervals along the radial direction, one side of each through hole is a guide hole, the opposite side of each through hole is a process hole, and the clamping components are arranged in the guide holes and driven by the cam and clamp a workpiece by a clamping ring. The manipulator overcomes the defect of clamping workpieces of the traditional threading machine, effectively improves the clamping precision and efficiency of the workpieces, avoids iron chips from hurting people and scratching the surfaces of the workpieces, is convenient to maintain and repair, and improves the operation reliability of the threading machine.
Description
Technical Field
The invention relates to a PMC threading machine feeding manipulator.
Background
The threading machine is indispensable mechanical equipment for processing threads of shaft and pipe sleeve workpieces, and with the continuous development of automation of the mechanical equipment, mass production becomes the mainstream of modern processing industry, so that the automatic threading machine is also continuously upgraded and improved.
Although current PMC car silk machine is at turning in-process efficiency higher, steady quality, current PMC car silk machine needs the manual work to carry out clamping and dismantlement work in the aspect of the flexible loading and unloading work piece, and it has following drawback: 1) When the pipe sleeve type workpiece is clamped, the clamping force is difficult to ensure, and the workpiece is easy to deform; 2) Because the scrap iron shaved off by the threading locomotive is sharp and has higher hardness, operators are easy to scratch; 3) The existing loading and unloading clamping device is usually driven by hydraulic pressure, so that the defects of complex maintenance, poor reaction sensitivity, complex structure and the like exist.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a PMC threading machine feeding manipulator which overcomes the defect of clamping of workpieces of the traditional threading machine, effectively improves the clamping precision and efficiency of the workpieces, avoids scrap iron hurting people and scratching the surfaces of the workpieces, is convenient to maintain and repair, and improves the operation reliability of the threading machine.
In order to solve the technical problems, the PMC threading machine feeding manipulator comprises a rack, a transverse guide rail, a longitudinal guide rail, a transverse driving motor, a longitudinal driving motor, a middle supporting plate, a corner motor, an upper material tray, a lower material tray and a clamping mechanism, wherein the transverse guide rail is arranged on the top surface of the rack, the transverse driving motor and the longitudinal driving motor are respectively arranged on two sides of the middle supporting plate, the middle supporting plate is arranged on the transverse guide rail and driven by the transverse driving motor to reciprocate along the transverse guide rail, the longitudinal guide rail is arranged on the top surface of the middle supporting plate, the corner motor is arranged on the longitudinal guide rail and driven by the longitudinal driving motor to reciprocate along the longitudinal guide rail, the upper material tray is arranged on the top surface of the corner motor, and the lower material tray is arranged on one side of the bottom surface of the rack;
the clamping mechanism comprises a connecting disc, an installation sleeve, an end disc, a cam driving motor and a plurality of clamping components, wherein the connecting disc, the installation sleeve and the end disc are sequentially and coaxially connected, a rotating shaft of the corner motor is connected with the connecting disc, the cam is located in the inner ring of the installation sleeve, the cam driving motor is arranged on the side face of the end disc, a spline shaft of the cam driving motor drives the cam to rotate, the number of convex faces of the cam is matched with that of the clamping components, the installation sleeve is provided with a plurality of through holes at equal intervals along the radial direction, one side of each through hole is a guide hole, the opposite side of each through hole is a process hole, a blind hole is formed in each guide hole, each clamping component comprises a guide rod, an open clamping ring, a spring, an adjusting nut, two supporting blocks and two rollers, one end of each guide rod is connected with the bottom of the open clamping ring, the other end of each guide rod is a contact, the guide rod is arranged in the guide holes, the contacts abut against the wheel faces of the cam, the spring is sleeved in the guide rod and located in the blind hole, the adjusting nut is screwed on the guide rod and abuts against the bottom face of the spring, the bottom of the spring, the outer ring is arranged on the two sides of the guide rod and abuts against the two sides of the two supporting blocks at intervals, and the two sides of the two supporting blocks, and the two supporting rollers are arranged on the two sides of the wheel faces of the wheel shafts.
Further, the transverse driving motor and the transverse guide rail are in transmission through a rack and a gear.
Furthermore, the longitudinal driving motor and the longitudinal guide rail are transmitted through a screw rod and a screw sleeve.
Further, the transverse driving motor, the longitudinal driving motor, the rotation angle motor and the cam driving motor are servo motors.
Furthermore, the clamping assembly further comprises two guide plates and a rubber gasket, the two guide plates are arranged at the opening end of the opening clamping ring in a splayed mode, and the rubber gasket is arranged at the inner ring of the opening clamping ring.
Further, the cross-sectional shapes of the guide hole and the guide rod in the guide hole are rectangular.
Further, the shape of the guide rod contact is spherical.
Further, the cross-sectional shape of the split clamp ring is elliptical and the major axis of the ellipse coincides with the guide rod axis.
Further, the diameter of the process hole is larger than that of the guide hole.
Further, the control ends of the transverse driving motor, the longitudinal driving motor, the corner motor and the cam driving motor are respectively connected with a controller of the PMC wire turning machine.
The PMC threading machine feeding manipulator adopts the technical scheme that a middle supporting plate capable of transversely reciprocating is arranged on a rack of the manipulator, a longitudinal driving motor capable of longitudinally reciprocating is arranged on the middle supporting plate, a rotating shaft of the longitudinal driving motor is connected with a clamping mechanism, the clamping mechanism comprises a connecting disc, a mounting sleeve, an end disc, a cam driving motor and a plurality of clamping components, the connecting disc, the mounting sleeve and the end disc are sequentially and coaxially connected, the rotating shaft of a corner motor drives the connecting disc, the cam is positioned on the inner ring of the mounting sleeve, the cam driving motor is arranged on the side face of the end disc and drives the cam to rotate, the mounting sleeve is provided with a plurality of through holes at equal intervals along the radial direction, one side of each through hole is a guide hole, the opposite side of each through hole is a process hole, the clamping components are arranged in the guide holes and driven by the cam, and the clamping rings are opened to clamp workpieces. The manipulator overcomes the defect of clamping workpieces of the traditional threading machine, effectively improves the clamping precision and efficiency of the workpieces, avoids iron chips from hurting people and scratching the surfaces of the workpieces, is convenient to maintain and repair, and improves the operation reliability of the threading machine.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 and fig. 2 are schematic structural diagrams of a PMC threading machine loading manipulator in different directions according to the present invention;
FIG. 3 is a schematic view of a clamping mechanism in the manipulator;
FIG. 4 is a side view of FIG. 3;
FIG. 5 isbase:Sub>A view taken along line A-A of FIG. 4;
FIG. 6 is a schematic structural view of a support block and a roller of the manipulator, which are arranged on a mounting sleeve;
fig. 7 is a schematic structural diagram of a guide rod and an open clamp ring of a clamp assembly and a guide plate in the manipulator.
Detailed Description
In an embodiment, as shown in fig. 1 to 7, the PMC threading machine feeding manipulator of the present invention includes a rack 1, a transverse rail 11, a longitudinal rail 12, a transverse driving motor 13, a longitudinal driving motor 14, a middle support plate 15, a corner motor 16, a feeding tray 17, a discharging tray 18, and a clamping mechanism 2, wherein the transverse rail 11 is disposed on a top surface of the rack 1, the transverse driving motor 13 and the longitudinal driving motor 14 are respectively disposed on two sides of the middle support plate 15, the middle support plate 15 is disposed on the transverse rail 11 and reciprocates along the transverse rail 11 under the driving of the transverse driving motor 13, the longitudinal rail 12 is disposed on a top surface of the middle support plate 15, the corner motor 16 is disposed on the longitudinal rail 12 and reciprocates along the longitudinal rail 12 under the driving of the longitudinal driving motor 14, the feeding tray 17 is disposed on a top surface of the corner motor 16, and the discharging tray 18 is disposed on a side of a bottom surface of the rack 1;
Preferably, the transverse driving motor 13 and the transverse guide rail 11 are in transmission through a rack and a gear.
Preferably, the longitudinal driving motor 14 and the longitudinal guide rail 12 are in transmission through a screw rod and a screw sleeve.
Preferably, the transverse driving motor 13, the longitudinal driving motor 14, the rotation angle motor 16, and the cam driving motor 25 are servo motors.
Preferably, the clamping assembly further comprises two guide plates 38 and a rubber gasket 39, the two guide plates 38 are arranged at the opening end of the open clamping ring 32 in a splayed manner, and the rubber gasket 39 is arranged at the inner ring of the open clamping ring 32. The guide plate is convenient for the clamping of the opening clamping ring to the processed workpiece, so that the processed workpiece can reliably fall into the opening clamping ring, and meanwhile, the rubber gasket can effectively protect the surface of the workpiece.
Preferably, the cross-sectional shapes of the guide hole 221 and the guide rod 31 positioned in the guide hole 221 are rectangular. The circumferential positioning of the guide rod can be realized, and the setting angle of the opening end of the opening clamping ring is ensured.
Preferably, the shape of the rod guide contact 37 is spherical. The spherical contact can be reliably contacted with the cam, so that the sensitivity of the guide rod moving in the guide hole is improved.
Preferably, the cross-sectional shape of the split clamp ring 32 is an ellipse and the major axis of the ellipse coincides with the axis of the guide bar 31. The workpiece circumferential wall is clamped in the short axis direction of the oval structure of the open clamping ring, the clamping area of the workpiece is reduced, and the clamping precision is improved.
Preferably, the diameter of the process hole 222 is larger than that of the guide hole 221. The processing of blind holes and guide holes can be facilitated through the fabrication holes.
Preferably, the control ends of the transverse driving motor 13, the longitudinal driving motor 13, the rotation angle motor 16 and the cam driving motor 25 are respectively connected to a controller of the PMC threading machine. And the linkage control of each motor and the machining process of the threading machine is realized.
The mechanical arm is arranged on the side face of a threading machine, as shown in fig. 1 and 2, after the threading machine finishes a workpiece threading process, a middle supporting plate moves towards the threading machine through a transverse driving motor, so that an opening clamping ring of a horizontal clamping mechanism in the drawing is aligned with a workpiece, meanwhile, a cam driving motor drives a cam to rotate, a contact of a guide rod is contacted with a convex surface of the cam, the guide rod is linked to move towards the outer side of an installation sleeve along a guide hole, the opening clamping ring is separated from rollers at the top ends of supporting blocks at two sides, a guide plate is opened through self elasticity, the middle supporting plate moves towards the workpiece through a longitudinal driving motor, and the threaded workpiece is placed in the opening clamping ring through the guide plate by the opening clamping ring; similarly, an opening clamping ring positioned at the position of the upper material tray places a workpiece which is not turned with threads in the upper material tray into the opening clamping ring, then a cam driving motor drives a cam to rotate so that a contact of a guide rod is contacted with a concave point of the cam, the guide rod is made to move towards the inner side of the mounting sleeve along a guide hole through a spring, the outer side of the opening clamping ring is tangent to rollers at two sides, the opening clamping ring is contracted towards the inner side through the rollers, the workpiece which is not turned with the threads is clamped by the corresponding opening clamping ring, then a clamping disc of a spindle of the thread turning machine is loosened, a middle supporting plate moves reversely through a transverse driving motor, the workpiece which is not turned with threads is disassembled and the workpiece which is not turned with threads is prepared for processing, a clamping mechanism rotates anticlockwise by a certain angle through a corner motor, the axis of the workpiece which is not turned with the axis of the clamping disc of the thread turning machine is collinear with the axis of the clamping disc, the middle supporting plate moves towards the direction through the transverse driving motor, the workpiece which is not turned with threads is placed in the clamping disc of the spindle of the clamping disc, the clamping disc clamps tightly, then the cam driving motor drives the cam to rotate so that the contact of the guide rod to gradually move towards the convex surface of the concave point of the cam, the workpiece which is removed from the concave point of the cam, the workpiece which is synchronously moved, and the workpiece which is opened with the clamping ring, so that the workpiece which is removed from the clamping ring, and the workpiece which is opened with the workpiece which is removed, and the clamping ring, and the workpiece which is opened with the workpiece which is removed, so that the clamping ring, the workpiece which is removed; the loading and unloading of the workpiece are realized through reciprocating periodic motion. Therefore, mechanical clamping of the workpiece is realized, the clamping precision and the working efficiency are improved, and the labor intensity of workers is reduced.
The elasticity of the spring in the manipulator can be adjusted through the adjusting nut, the clamping assemblies can be 3 groups and are arranged at equal intervals along the circumferential direction of the mounting sleeve, the number of the convex surfaces of the same cam is 3, the convex surfaces of the same cam correspond to guide rod contacts of the clamping assemblies, when the guide rod contacts are located on the convex surfaces of the cam, the open clamping ring is opened to prepare for clamping a workpiece, and when the guide rod contacts are located on the concave point of the cam, the open clamping ring is contracted and clamps the workpiece under the extrusion of the roller.
The manipulator has the advantages of simple structure and fixed clamping force, can avoid deformation of the disc sleeve type part, is convenient to maintain and overhaul, can replace the opening clamping ring according to the diameter of a workpiece, avoids scratch on the surface of the workpiece, improves clamping stability and precision, avoids iron chips from hurting people, and improves clamping efficiency.
Claims (10)
1. The utility model provides a PMC car silk machine material loading manipulator which characterized in that: the automatic feeding device comprises a rack, a transverse guide rail, a longitudinal guide rail, a transverse driving motor, a longitudinal driving motor, a middle supporting plate, a corner motor, an upper material tray, a lower material tray and a clamping mechanism, wherein the transverse guide rail is arranged on the top surface of the rack;
the clamping mechanism comprises a connecting disc, an installation sleeve, an end disc, a cam driving motor and a plurality of clamping components, wherein the connecting disc, the installation sleeve and the end disc are sequentially and coaxially connected, a rotating shaft of the corner motor is connected with the connecting disc, the cam is located in the inner ring of the installation sleeve, the cam driving motor is arranged on the side face of the end disc, a spline shaft of the cam driving motor drives the cam to rotate, the number of convex faces of the cam is matched with that of the clamping components, the installation sleeve is provided with a plurality of through holes at equal intervals along the radial direction, one side of each through hole is a guide hole, the opposite side of each through hole is a process hole, a blind hole is formed in each guide hole, each clamping component comprises a guide rod, an open clamping ring, a spring, an adjusting nut, two supporting blocks and two rollers, one end of each guide rod is connected with the bottom of the open clamping ring, the other end of each guide rod is a contact, the guide rod is arranged in the guide holes, the contacts abut against the wheel faces of the cam, the spring is sleeved in the guide rod and located in the blind hole, the adjusting nut is screwed on the guide rod and abuts against the bottom face of the spring, the bottom of the spring, the outer ring is arranged on the two sides of the guide rod and abuts against the two sides of the two supporting blocks at intervals, and the two sides of the two supporting blocks, and the two supporting rollers are arranged on the two sides of the wheel faces of the wheel shafts.
2. The PMC threading machine loading manipulator of claim 1, wherein: and the transverse driving motor and the transverse guide rail are in transmission through a rack and a gear.
3. The PMC threading machine loading manipulator of claim 1, wherein: the longitudinal driving motor and the longitudinal guide rail are in transmission through a screw rod and a screw sleeve.
4. The PMC threading machine loading manipulator of claim 1, wherein: the transverse driving motor, the longitudinal driving motor, the corner motor and the cam driving motor are servo motors.
5. The PMC threading machine loading manipulator of claim 1, wherein: the clamping assembly further comprises two guide plates and a rubber gasket, the two guide plates are arranged at the opening end of the opening clamping ring in a splayed mode, and the rubber gasket is arranged at the inner ring of the opening clamping ring.
6. The PMC threading machine loading manipulator of claim 1, wherein: the cross-sectional shapes of the guide hole and the guide rod positioned in the guide hole are rectangular.
7. The PMC threading machine loading manipulator of claim 1, wherein: the shape of the guide rod contact is spherical.
8. The PMC threading machine loading manipulator of claim 1, wherein: the cross-sectional shape of the split clamp ring is elliptical and the major axis of the ellipse coincides with the guide rod axis.
9. The PMC threading machine loading manipulator of claim 1, wherein: the diameter of the process hole is larger than that of the guide hole.
10. The PMC threading machine loading manipulator of claim 1, wherein: and the control ends of the transverse driving motor, the longitudinal driving motor, the corner motor and the cam driving motor are respectively connected with a controller of the PMC wire turning machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195407.2A CN108296577B (en) | 2018-03-09 | 2018-03-09 | PMC car silk machine material loading manipulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810195407.2A CN108296577B (en) | 2018-03-09 | 2018-03-09 | PMC car silk machine material loading manipulator |
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| Publication Number | Publication Date |
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| CN108296577A CN108296577A (en) | 2018-07-20 |
| CN108296577B true CN108296577B (en) | 2023-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810195407.2A Active CN108296577B (en) | 2018-03-09 | 2018-03-09 | PMC car silk machine material loading manipulator |
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| CN114454264B (en) * | 2022-01-20 | 2022-11-29 | 南京林业大学 | Drilling device and method for bamboo and wood strips |
| CN115332907B (en) * | 2022-10-17 | 2022-12-13 | 佑创射频技术(江苏)有限公司 | Outer conductor axial crimping device of semi-rigid cable |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577569A1 (en) * | 1992-06-30 | 1994-01-05 | OFFICINE AVE S.p.A. | Pliers with movable jaws for gripping bottles or the like for mounting preferably on an automatic rinsing-sterilizing machine |
| CN201744895U (en) * | 2010-05-26 | 2011-02-16 | 山东法因数控机械股份有限公司 | Workpiece loading equipment achieving automatic switching among multiple working positions |
| CN104985473A (en) * | 2015-07-10 | 2015-10-21 | 青岛双全智能科技有限公司 | Three-way efficient mechanical hand device |
| CN106583863A (en) * | 2015-10-14 | 2017-04-26 | 上海宝钢工业技术服务有限公司 | Automatic workpiece replacing device used for pipe fitting thread cutting machine tool |
| CN106624963A (en) * | 2015-07-17 | 2017-05-10 | 天津市纺织机械器材研究所 | Automatic conveying mechanism of machining equipment |
-
2018
- 2018-03-09 CN CN201810195407.2A patent/CN108296577B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0577569A1 (en) * | 1992-06-30 | 1994-01-05 | OFFICINE AVE S.p.A. | Pliers with movable jaws for gripping bottles or the like for mounting preferably on an automatic rinsing-sterilizing machine |
| CN201744895U (en) * | 2010-05-26 | 2011-02-16 | 山东法因数控机械股份有限公司 | Workpiece loading equipment achieving automatic switching among multiple working positions |
| CN104985473A (en) * | 2015-07-10 | 2015-10-21 | 青岛双全智能科技有限公司 | Three-way efficient mechanical hand device |
| CN106624963A (en) * | 2015-07-17 | 2017-05-10 | 天津市纺织机械器材研究所 | Automatic conveying mechanism of machining equipment |
| CN106583863A (en) * | 2015-10-14 | 2017-04-26 | 上海宝钢工业技术服务有限公司 | Automatic workpiece replacing device used for pipe fitting thread cutting machine tool |
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| CN108296577A (en) | 2018-07-20 |
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