CN210908191U - Special machine tool for drilling on side bus surface of round nut - Google Patents
Special machine tool for drilling on side bus surface of round nut Download PDFInfo
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- CN210908191U CN210908191U CN201921517439.6U CN201921517439U CN210908191U CN 210908191 U CN210908191 U CN 210908191U CN 201921517439 U CN201921517439 U CN 201921517439U CN 210908191 U CN210908191 U CN 210908191U
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Abstract
The utility model discloses a special machine tool for drilling on a side bus surface of a round nut, which comprises a machine tool body, a drilling power head, a power head parallel clamp, a numerical control dividing head and a workpiece seat, the power head parallel clamp and the drilling power head are respectively provided with two sets, the drill bit is connected with the power head parallel clamp and is clamped by the drill bit mounting hole of the power head parallel clamp, the numerical control dividing head is arranged on one side of the power head parallel clamp and connected with the bed surface. The utility model discloses processingquality is good, production efficiency is high.
Description
Technical Field
The utility model relates to a special machine tool technical field is used in drilling on the side bus bar face of nut, especially relates to a special machine tool is used in drilling on the side bus bar face of round nut.
Background
There is a round nut for a ship engine, in which several blind holes are uniformly distributed on a side bus of the round nut. When processing the hole on the round nut side bus, the hole of processing can not evenly distributed, and the hole interval of usefulness is big, and the hole interval of usefulness is little, and the depth differs, adopts the mode of marking off drilling, and production efficiency is very low, and manufacturing cost remains high.
The drilling depth can not be effectively controlled, the drill point of the drill is drilled to break the thread by the drill, burrs are generated at the orifice, the thread is damaged, the nut is not screwed when the engine is assembled, and the fallen burrs can also roughen other parts to cause accidents. Inconsistent hole spacing can also cause assembly worker productivity to be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special machine tool for drilling holes on the side bus surface of the round nut, aiming at overcoming the defects in the prior art; the utility model discloses the nut after processing no matter be evenly distributed or the aspect of the drilling depth qualification rate reaches 100%, and work efficiency has improved 5 times than artifical drilling before, in addition, the utility model discloses the chamfer process of nut changes the drilling process operator completion by this process, has reduced prior art's chamfer process. Additionally, the utility model discloses enlarged the processing of round nut drilling, we have enlarged the process range, and the processing through hexagon nut and half hexagon nut of semicircle is implemented and is proved, and processingquality and production efficiency effect are fine, are worth promoting.
The utility model provides a technical scheme that its technical problem adopted is:
a special machine tool for drilling holes on the side bus surface of a round nut comprises a machine body, a drilling power head, a power head parallel clamp, a numerical control dividing head and a workpiece seat, the power head parallel clamp and the drilling power head are respectively provided with two sets, the drill bit is connected with the power head parallel clamp and is clamped by the drill bit mounting hole of the power head parallel clamp, the numerical control dividing head is arranged on one side of the power head parallel clamp and connected with the bed surface.
The clamping mechanism connecting seat comprises a cylinder seat, a cylinder bottom plate, a cylinder and a pull rod, the cylinder seat is connected with the cylinder bottom plate, the cylinder is connected with the cylinder seat, the bottom plate is connected with a bed surface, the pull rod is connected with a piston of the cylinder, the piston and a cylinder inner hole cylinder are in sealing fit and move along the axial direction of the cylinder, and the outer end of the pull rod is connected with the workpiece clamping mechanism.
The workpiece clamping mechanism comprises a connecting plate, a workpiece seat, a pressing plate, a spring sleeve, a spring expansion sleeve, a bearing, a pressure spring and a connecting shaft, wherein the connecting plate is connected with one end of the workpiece seat, the other end of the workpiece seat is connected with one end of the spring expansion sleeve, the other end of the spring expansion sleeve is connected with the pressing plate, the bearing is arranged on the outer side of the pressing plate, axial holes are respectively formed in the connecting plate, the workpiece seat, the pressing plate, the spring sleeve and the spring expansion sleeve, one end of the pressure spring is in contact with the end part of a step hole of the spring sleeve, the other end of the pressure spring is in contact with the end part of the workpiece seat, the spring sleeve is arranged in the axial hole of the spring expansion sleeve, and the connecting shaft penetrates through an inner hole of the bearing and.
The spring expansion sleeve is of a thin-wall sleeve structure, wherein two ends of the sleeve adopt conical surfaces with large outside and small inside, and the contact end surfaces of the pressing plate, the workpiece seat and the spring expansion sleeve also respectively adopt conical surfaces matched with the conical structures at the two ends of the sleeve.
And a base plate is arranged at the bottom of the power head parallel clamp.
And the clamping mechanism connecting seat is provided with an illuminating lamp holder.
And a water flowing groove is arranged on the lathe bed at the rear part of the clamping mechanism connecting seat.
1. The utility model discloses production efficiency is high, low in production cost, and drilling depth can effectually be controlled, and the nut through using the processing of numerical control drilling machine whether evenly distributed or drilling depth aspect qualification rate reaches 100%, and work efficiency has improved 5 times than artifical drilling before, and in addition, next chamfering process among the prior art can be compromise by the drilling process operator of this process, has reduced next chamfering process. The problem of among the prior art drilling depth can not effectual obtain control, the hole drilling has deepened and has made the brill point bore broken screw thread, drill way production burr, not only destroys the screw thread, and the nut is twisted still when the engine assembly moreover, and the burr that drops still can the other spare parts emergence accidents of napping, and the hole interval is inconsistent also can cause assembly workman production efficiency to descend is solved.
2. The utility model discloses the chamfer process of nut can change the drilling process operator by this process and accomplish, has reduced prior art's chamfer process, in addition, the utility model discloses can enlarge the processing of round nut drilling, we have enlarged the process range, and the processing through hexagon nut and half hexagon nut of semicircle is implemented and is proved, and processingquality and production efficiency effect are fine, are worth promoting.
3. Through the processing of round nut drilling, enlarged the processing scope, through the processing implementation of hexagon nut and semicircle half hexagon nut, processingquality and production efficiency effect are fine, are worth promoting.
4. Because the spring cover that rises is thin wall sleeve structure, the conical surface that the cover was expanded in the outer big-end-up in the telescopic both ends adoption, the contact terminal surface that clamp plate, work piece seat and spring cover that rises also adopts respectively with the conical surface of sleeve both ends matched with, works as when clamp plate, work piece seat receive the axial tension of connecting axle, the conical surface extrusion spring of clamp plate, work piece seat rises two terminal surfaces of cover and makes thin-walled spring cover that rises outwards strut, the outer wall of spring cover that rises and the nut hole hold tightly to avoid the nut atress to rotate the production of the inaccurate and unqualified product of processing that arouses.
5. Because the bottom of the power head parallel clamp is provided with the base plate, different base plates can be replaced through the pad, the height of the power head parallel clamp can be quickly and accurately adjusted, the power head parallel clamp and a workpiece are ensured to be in an accurate machining position, and the working efficiency and the machining precision are improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a partially enlarged view of fig. 2.
In the figure, a backing plate 1, a power head parallel clamp 2, a lighting lamp holder 3, a guide key 4, a bed surface 5, a cylinder seat 7, a cylinder bottom plate 8, a pull rod 9, a water flowing groove 10, a connecting plate 11, a workpiece seat 12, a pressing plate 13, a spring sleeve 14, a spring expansion sleeve 15, a drilling power head 16, a numerical control dividing head 17, an air cylinder 20, a workpiece 21, a bearing 22, a pressure spring 23 and a connecting shaft 24 are connected.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but not all embodiments.
As shown in fig. 1-3, a special machine tool for drilling holes on a side bus surface of a round nut comprises a machine tool body 6, a drilling power head 16, a power head parallel clamp 2, a numerical control dividing head 17 and a workpiece seat 12, wherein the power head parallel clamp 2 and the drilling power head 16 are respectively provided with two sets, a drill bit is connected with the power head parallel clamp 2 and is clamped through a drill bit mounting hole of the power head parallel clamp 2, the power head parallel clamp 2 is respectively connected with two sides of a machine tool surface 5 on the upper part of the machine tool body 6, the drilling power head 16 is connected with the power head parallel clamp 2 to provide power for the power head parallel clamp 2, a workpiece 21 is connected with a workpiece clamping mechanism, the workpiece clamping mechanism is connected with a clamping mechanism connecting seat, the clamping mechanism connecting seat is connected with the machine tool surface 5, a guide key 4 is arranged on the machine tool surface 5, a guide groove, The guide grooves are connected in a matching mode, the numerical control dividing head 17 is arranged on one side, parallel to the clamp 2, of the power head and is connected with the bed surface 5, and the numerical control dividing head 17 drives a workpiece to rotate through the spring chuck.
And a base plate 1 is arranged at the bottom of the power head parallel clamp 2. Through filling up and changing different backing plates 1, can repair the height of parallel anchor clamps 2 of unit head fast accurately and guarantee that parallel anchor clamps 2 of unit head are in accurate processing position with the work piece.
And the clamping mechanism connecting seat is provided with an illuminating lamp holder 3.
And a water flowing groove 10 is arranged on the lathe bed 6 at the rear part of the clamping mechanism connecting seat.
The workpiece clamping mechanism comprises a connecting plate 11, a workpiece seat 12, a pressing plate 13, a spring sleeve 14, a spring expansion sleeve 15, a bearing 22, a pressure spring 23 and a connecting shaft 24, wherein the connecting plate 11 is connected with one end of the workpiece seat 12, the other end of the workpiece seat 12 is connected with one end of the spring expansion sleeve 15, the other end of the spring expansion sleeve 15 is connected with the pressing plate 13, the bearing 22 is arranged on the outer side of the pressing plate 13, axial holes are respectively formed in the connecting plate 11, the workpiece seat 12, the pressing plate 13, the spring sleeve 14 and the spring expansion sleeve 15, one end of the pressure spring 23 is contacted with the end of a step hole of the spring sleeve 14, the other end of the pressure spring is contacted with the end of the workpiece seat 12, the spring sleeve 14 is arranged in the axial hole of the spring expansion sleeve 15, and the connecting shaft 24 penetrates through the inner hole of the bearing 22 and then sequentially penetrates through the axial holes of the pressing plate 13.
The spring cover 15 that rises is thin wall sleeve structure, and wherein telescopic both ends adopt the big-end-up in the outer toper face of little, clamp plate 13, work piece seat 12 also adopt the toper face with the toper structure matched with at sleeve both ends respectively with the contact surface of spring cover 15 that rises, work as clamp plate 13, work piece seat 12 receive the axial tension of connecting axle 24, two terminal surfaces extrusion spring cover 15 that rises of clamp plate 13, work piece seat's two terminal surfaces make thin-walled spring cover 15 that rises outwards strut, spring cover 15's outer wall and nut hole hold tightly to avoid the nut atress to rotate the production of the inaccurate and unqualified product of processing that arouses.
The clearance between the outer diameter of the spring expansion sleeve and the inner diameter of the workpiece is about 0.1-0.15, the two ends of the spring expansion sleeve are respectively provided with an elongated slot, inner holes at the two ends of the spring expansion sleeve adopt a tapered horn-shaped structure, namely a tapered structure, when the air cylinder does not move, the connecting shaft does not move, the workpiece can be taken down and taken up, when the air cylinder moves, the connecting shaft presses the pressing plate, and the expansion sleeve is integrated with the workpiece after being stressed, so that rotation and sliding cannot be generated.
The clamping mechanism connecting seat comprises a cylinder seat 7, a cylinder bottom plate 8, a cylinder 20 and a pull rod 9, the cylinder seat 7 is connected with the cylinder bottom plate 8, the cylinder 20 is connected with the cylinder seat 7, the bottom plate 8 is connected with the bed surface 5, the pull rod 9 is connected with a piston of the cylinder 20, the piston and a cylinder inner hole cylinder are in sealing fit and move along the axial direction of the cylinder, and the outer end of the pull rod 9 is connected with the workpiece clamping mechanism.
The utility model discloses theory of operation and action order: 1. the workpiece is mounted on the spring expansion sleeve 15 of the workpiece clamping mechanism, the starting button of the control part is pressed, the air cylinder 20 acts through the pull rod 9, the time delay is 0.5 second, and the workpiece is clamped. 2. The drilling power head 16 advances quickly, advances slowly after contacting the workpiece, advances to a given depth, and retracts quickly after finishing machining. 3. The numerical control dividing head 17 rotates a certain angle with the workpiece. 4. Repeating the sequence of step 2: fast forwarding the drilling power head, slowly forwarding after contacting the workpiece, performing feeding after reaching a given depth, and fast retreating after finishing machining. 5. And repeating the actions 3 and 4 until the holes with the preset equal parts are drilled. 6. The cylinder 20 is released, the workpiece is removed, and one cycle of operation is completed.
The main parameters are as follows: 1. drilling a power head: the power is 0.55KW6 grade, the cutting feed stroke is 0-40mm, the pneumatic feed thrust is 2700N, the feed speed is stepless speed regulation, and the hydraulic damping is buffered. 2. The numerical control index head 17 adopts a large-aperture numerical control rotary index head, wherein the transmission ratio of a worm gear and a worm is 1:90, the fastest rotating speed is 16.6 r/min, the hollow aperture is 40mm, the precision of the index head is 40 ', the repetition precision is 8', the pneumatic brake tightening force is 55KG, the matching servo motor is more than 0.9KW, and the torque is more than 3 NM. 3. The diameter of the cylinder 20 is 50mm, and the effective stroke of the pull rod is 10 mm.
The above processing can be realized by a control part in the prior art, wherein the functions of the control part comprise the following parts: 1. the touch screen type operation panel is adopted, PLC control is realized, man-machine conversation is realized, and machining programs of not less than 10 specifications of workpiece products are prestored. 2. The control part is controlled manually or automatically, a single circulation system is adopted, and one action cycle is executed by pressing a button once. 3. When power is cut off and air is stopped suddenly, the clamp has a protection function, a workpiece cannot be loosened, and an emergency stop button is arranged. 4. There is a safety voltage lighting lamp. 5. Has counting and counting functions.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present patent, and these modifications and substitutions should also be regarded as the protection scope of the present patent.
Claims (7)
1. A special machine tool for drilling holes on a side bus surface of a round nut is characterized by comprising a machine body, a drilling power head, a power head parallel clamp, a numerical control dividing head and a workpiece seat, the power head parallel clamp and the drilling power head are respectively provided with two sets, the drill bit is connected with the power head parallel clamp and is clamped by the drill bit mounting hole of the power head parallel clamp, the numerical control dividing head is arranged on one side of the power head parallel clamp and connected with the bed surface.
2. The special machine tool for drilling holes on the side bus bar surface of the round nut as claimed in claim 1, wherein the clamping mechanism connecting seat comprises a cylinder seat, a cylinder bottom plate, a cylinder and a pull rod, the cylinder seat is connected with the cylinder bottom plate, the cylinder is connected with the cylinder seat, the bottom plate is connected with a bed surface, the pull rod is connected with a piston of the cylinder, the piston is in sealing fit with a cylinder in a cylinder hole and moves along the axial direction of the cylinder, and the outer end of the pull rod is connected with the workpiece clamping mechanism.
3. The special machine tool for drilling holes in the side generatrix surface of the round nut as claimed in claim 2, wherein said workpiece clamping mechanism comprises a connecting plate, a workpiece holder, a pressing plate, a spring sleeve, a spring expansion sleeve, a bearing, a compression spring, and a connecting shaft, wherein the connecting plate is connected with one end of the workpiece holder, the other end of the workpiece holder is connected with one end of the spring expansion sleeve, the other end of the spring expansion sleeve is connected with the pressing plate, and the bearing is arranged outside the pressing plate, wherein axial holes are respectively arranged on the connecting plate, the workpiece holder, the pressing plate, the spring sleeve, and the spring expansion sleeve, one end of the compression spring is contacted with the step hole end of the spring sleeve, the other end of the compression spring is contacted with the end of the workpiece holder, the spring sleeve is arranged in the axial hole of the spring expansion sleeve, and the connecting shaft is connected with the pull rod of the cylinder of the clamping mechanism connecting.
4. The special machine tool for drilling holes in the side generatrix surface of the round nut as claimed in claim 3, wherein said spring expansion sleeve is of a thin-walled sleeve structure, wherein the two ends of the sleeve are tapered surfaces with a larger outside and a smaller inside, and the contact end surfaces of said pressing plate, the workpiece seat and the spring expansion sleeve are also tapered surfaces matched with the tapered structures at the two ends of the sleeve respectively.
5. The special machine tool for drilling holes in the side bus bar surface of the round nut as claimed in claim 1, wherein a backing plate is arranged at the bottom of the power head parallel clamp.
6. The special machine tool for drilling holes on the side bus bar surface of the round nut as claimed in claim 1, wherein the clamping mechanism connecting seat is provided with an illuminating lamp holder.
7. The special machine tool for drilling holes on the side generatrix surface of the round nut as claimed in claim 1, wherein a water flowing groove is provided on the machine tool body at the rear part of the connecting seat of the clamping mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517439.6U CN210908191U (en) | 2019-09-12 | 2019-09-12 | Special machine tool for drilling on side bus surface of round nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517439.6U CN210908191U (en) | 2019-09-12 | 2019-09-12 | Special machine tool for drilling on side bus surface of round nut |
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| Publication Number | Publication Date |
|---|---|
| CN210908191U true CN210908191U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921517439.6U Active CN210908191U (en) | 2019-09-12 | 2019-09-12 | Special machine tool for drilling on side bus surface of round nut |
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| CN (1) | CN210908191U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935712A (en) * | 2021-01-28 | 2021-06-11 | 邓青 | Power bus machining and forming process |
| CN114871464A (en) * | 2022-06-24 | 2022-08-09 | 济南中船设备有限公司 | Drilling machine for processing round nut for ship engine |
| CN115055717A (en) * | 2022-06-24 | 2022-09-16 | 济南中船设备有限公司 | Duplex position numerical control round nut drilling machine |
-
2019
- 2019-09-12 CN CN201921517439.6U patent/CN210908191U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112935712A (en) * | 2021-01-28 | 2021-06-11 | 邓青 | Power bus machining and forming process |
| CN114871464A (en) * | 2022-06-24 | 2022-08-09 | 济南中船设备有限公司 | Drilling machine for processing round nut for ship engine |
| CN115055717A (en) * | 2022-06-24 | 2022-09-16 | 济南中船设备有限公司 | Duplex position numerical control round nut drilling machine |
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