CN113510285A - Planer special for machining slide valve and machining method thereof - Google Patents
Planer special for machining slide valve and machining method thereof Download PDFInfo
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- CN113510285A CN113510285A CN202110451343.XA CN202110451343A CN113510285A CN 113510285 A CN113510285 A CN 113510285A CN 202110451343 A CN202110451343 A CN 202110451343A CN 113510285 A CN113510285 A CN 113510285A
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- planer
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- slide valve
- supporting
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D7/00—Planing or slotting machines characterised only by constructional features of particular parts
- B23D7/08—Planing or slotting machines characterised only by constructional features of particular parts of work-tables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D13/00—Tools or tool holders specially designed for planing or slotting machines
Abstract
The invention provides a planer special for machining a slide valve and a machining method thereof, wherein the planer comprises the following steps: a planer supporting mechanism, an automatic rotating mechanism and a planer tool moving mechanism; the automatic rotating mechanism comprises a tensioning screw rod and at least one pair of conical elastic expansion tires for fixing the sliding valve; the planer supporting mechanism is sleeved on the automatic rotating mechanism and used for fixedly supporting the automatic rotating mechanism; the automatic rotating mechanism is simple in structure, intermittent movement of the slide valve can be achieved, and meanwhile the requirement for centering of the two ends of the slide valve is met. The planer tool movement mechanism is provided with a planer tool which slides up and down, and the planer tool performs left-right reciprocating linear motion in the axial direction and performs vertical motion in the radial direction. The invention is used for solving the problems that the conventional vacuum pump slide valve excircle machining has low automation degree, low machining efficiency and difficult guarantee of precision consistency in the prior art.
Description
Technical Field
The invention relates to the technical field of machine manufacturing, in particular to a special planer for machining a slide valve and a machining method thereof.
Background
The slide valve pump has a much larger capacity than the vane pump due to its structural characteristics, and thus is often used in a large vacuum apparatus. Since the rotating mass of the spool pump is highly eccentric, if the spool is not well balanced, large vibrations are generated during operation. The sliding valve part of the vacuum pump is characterized by large diameter and long axial length, and the processing of the excircle of the sliding valve of the vacuum pump has the following difficulties:
1. the requirement on the dimensional accuracy of the excircle is high, and the requirements on cylindricity and perpendicularity of two end faces are also high;
2. the conventional planer can only perform reciprocating linear machining, and the cutter is fixed in the vertical direction. The patent document (No. CN104511641A) in China discloses a planer reciprocating linear motion driving mechanism support, which comprises a planer reciprocating linear motion driving mechanism support base (1), a planer reciprocating linear motion driving mechanism support connecting device (2), planer reciprocating linear motion driving mechanism support positioning bolts (3), planer reciprocating linear motion driving mechanism support positioning holes (4) and planer reciprocating linear motion driving mechanism support supporting plates (5); wherein: a planer reciprocating linear motion driving mechanism support base (1) is connected with a base through a planer reciprocating linear motion driving mechanism support positioning bolt (3) and a nut. The planer reciprocating linear motion driving mechanism support is simple in structure, high in working efficiency, good in repeated positioning accuracy, rapid in assembly and disassembly and capable of improving productivity. However, the slide valve is machined by a planer, and free machining in the vertical direction cannot be realized.
3. The existing slide valve excircle processing mode is mostly to adopt the slotting machine to process, but the processing efficiency of the slotting machine is low (the excircle processing adopts manual rotation), the processing precision consistency is poor, and the requirements of size precision and tolerance can not be effectively guaranteed.
Disclosure of Invention
In view of the above disadvantages of the prior art, the present invention provides a method for solving the problems of low automation degree, low processing efficiency and difficult precision consistency in the processing of the outer circle of the slide valve of the vacuum pump in the prior art.
To achieve the above and other related objects, the present invention provides a planing machine for machining a slide valve, comprising: a planer supporting mechanism, an automatic rotating mechanism and a planer tool moving mechanism;
the automatic rotating mechanism comprises a tensioning screw rod and at least one pair of elastic expansion tires for fixing the sliding valve; a compression nut is arranged at the first end part of the tensioning screw rod, and a push shaft is sleeved at the first end part of the compression nut and arranged on the right side of the compression nut; an annular groove is formed in the outer surface of the left side of the push shaft, an annular baffle is movably sleeved on the annular groove through a baffle screw, and one end of the baffle screw extends into the annular groove; the planer supporting mechanism is sleeved on the push shaft, arranged on the right side of the annular baffle and used for fixedly supporting the push shaft; the annular baffle is connected with the movable connecting rod through one end of a long baffle screw, and the other end of the long baffle screw is connected to the push shaft and extends into the annular groove; the movable connecting rod is movably connected with a movable rocker through a connecting rod screw, one end of the movable rocker is connected with the planer supporting mechanism through a rocker screw, and the other end of the movable rocker is provided with a handle;
the left end of the supporting shaft is sleeved at the second end part of the tensioning screw rod, and the planer supporting mechanism is sleeved on the supporting shaft and used for fixedly supporting the supporting shaft; the right end of the supporting shaft is connected with the rotating mechanism;
the elastic expansion tire is of a conical end cover structure, one end of the push shaft extends outwards to form a first sleeving part, one end of the support shaft extends outwards to form a second sleeving part, and the elastic expansion tire is sleeved on the first sleeving part and the second sleeving part respectively;
the planing tool moving mechanism is provided with a planing tool which slides up and down, and the planing tool performs reciprocating linear motion left and right in the axial direction and performs vertical motion up and down in the radial direction.
The planer of the invention mainly comprises two key processing procedures:
1. the slide valve is a casting part, the machining allowance is large, multiple times of cutting machining are needed, the motion trail is as follows, and the planer tool is required to increase vertical motion on the basis of reciprocating linear motion. And after finishing the processing of one circle of the excircle, feeding the planer tool downwards for a preset distance to process the excircle of the next round.
2. After the planer tool finishes one-time linear reciprocating machining, the sliding valve needs to rotate by a certain angle. This scheme adopts motor + rotatory frock, realizes autogiration.
Further, the planer supporting mechanism comprises a planer base, a front machining platform and a rear machining platform are arranged above the planer base, a front supporting frame is arranged on the front machining platform, a front supporting sleeve is arranged in the front supporting frame, the front supporting sleeve is sleeved on the push shaft, and one end of the movable rocker is connected with the front supporting frame through a rocker screw;
the post-processing platform is provided with a rear support frame, a rear support sleeve is arranged in the rear support frame, and the rear support sleeve is sleeved on the support shaft.
Further, the planer tool movement mechanism comprises a ram, a ram support is arranged at the front end of the ram, a support connecting plate is arranged at the front end of the ram support, a slide rail is vertically arranged at the front end of the support connecting plate, a tool rest which can slide up and down is arranged on the slide rail, and a planer tool and a tool rest cover plate are arranged on the tool rest; the planer tool axially performs left-right reciprocating linear motion and performs vertical motion in the radial direction.
Further, be provided with the motor support on the post-processing platform, be provided with on the motor support slewing mechanism, the slewing mechanism suit is in on the back shaft, the other end of back shaft with slewing mechanism connects.
Further, the push shaft, the elastic expansion tire, the support shaft and the slide valve are arranged on the same central axis.
Further, the rotating mechanism comprises a motor-driven worm and worm gear reducer for realizing rotary motion; the planer tool movement mechanism comprises a motor driving ball screw and is used for achieving vertical movement.
Further, the slide valve is a casting.
Further, the automatic rotating mechanism and the planer tool moving mechanism are connected with a PLC controller.
The invention also provides a machining method of the special planer for machining the slide valve, which comprises the following steps:
step S1: installing a slide valve on a planer, expanding the slide valve by an elastic expansion tire, and realizing the centering positioning and clamping of the slide valve under the locking action of a tensioning screw rod and a compression nut;
step S2: the planer tool axially moves in parallel along the outer circle of the slide valve, after one-time linear reciprocating machining is completed, the automatic rotating mechanism rotates by a preset angle, and the planer tool continues to perform linear reciprocating motion until one-circle machining of the outer circle of the slide valve is completed;
step S3: after one circle of excircle of the slide valve is processed, the planer tool vertically feeds downwards for a preset distance to process the excircle of the next round;
step S4: and after the slide valve is machined, moving a push shaft to take out the finished slide valve.
Further, in step S1, after the push shaft, the elastic expanding tire, the slide valve and the support shaft on the planer are locked by the middle tightening screw, the automatic rotation mechanism drives the planer support shaft to rotate, so as to realize the automatic rotation of the slide valve.
As described above, one of the present invention has the following advantageous effects:
1. the automatic rotating mechanism has a simple structure, can realize intermittent motion of the slide valve, simultaneously ensures the centering requirement of the two ends of the slide valve, and fundamentally ensures the excircle processing quality and consistency.
2. The automatic degree is high, and machining efficiency is high, and the precision uniformity is good. The equipment does not need any manual operation except for clamping products, and is automatically finished through equipment program setting.
3. The automatic rotating mechanism mainly drives the worm and turbine speed reducer by a motor to drive the right support shaft to rotate, and the left push shaft, the elastic expansion tire, the slide valve and the right support shaft are locked by the middle tensioning screw rod to realize the automatic rotation of the slide valve. The automatic rotating mechanism is connected through a PLC controller, and the coordination of machining procedures is ensured.
4. The conventional planer can only perform reciprocating linear machining, and the cutter is fixed in the vertical direction. This planer can realize vertical motion. The processing range of the planer is expanded, and the utilization rate of equipment is improved.
Drawings
FIG. 1 is a front view of a planer dedicated for machining slide valves;
FIG. 2 is a left side view of the construction of the planing machine for the slide valve machining;
FIG. 3 is a top view of a configuration for a slide valve machining specialized planer;
FIG. 4 is a machining trajectory diagram for a slide valve machining specialized planer;
FIG. 5 is a schematic perspective view of an automatic rotation mechanism for a planing machine for slide valve machining;
FIG. 6 is a perspective view of a portion of an automatic rotation mechanism for a planing machine for the machining of slide valves;
FIG. 7 is a perspective view of a portion of an automatic rotation mechanism for a planing machine for the machining of slide valves;
figure 8 is a schematic perspective view of a typical vacuum pump slide valve.
Description of the element reference numerals
1. A pre-processing platform; 2. a front support frame; 3. a baffle plate screw; 4. tensioning the screw rod; 5. a compression nut; 6. a baffle plate; 7. an oil cup; 8. a front support sleeve; 9. pushing the shaft; 10. expanding a tire wrench; 11. expanding the tire elastically; 12. a stay bar; 13. a tool holder cover plate; 14. a tool holder; 15. a bracket connecting plate; 16. a ram support; 17. a thrust ball bearing; 18. a support shaft; 19. a rear support frame; 20. a rear support sleeve; 21. an end cap; 22. a motor bracket; 23. a post-processing platform; 24. an M16 nut; 25. m16 x 70 bolt; 26. m20 × 45 bolts; 27. a base; 28. a connecting rod screw; 29. moving the connecting rod; 30. a long baffle plate screw; 31. moving the rocker; 32. a handle.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the drawings only show the components related to the present invention rather than being drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of each component in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
Referring to fig. 1 to 8, the planer dedicated to slide valve machining and the machining method thereof according to the present invention will be further described with reference to the accompanying drawings:
to achieve the above and other related objects, the present invention provides a planing machine for machining a slide valve, comprising: a planer supporting mechanism, an automatic rotating mechanism and a planer tool moving mechanism;
the automatic rotating mechanism comprises a tension screw rod 4 and at least one pair of elastic expansion tires 11 for fixing the sliding valve; a compression nut 5 is arranged at the first end part of the tensioning screw rod 4, and a push shaft 9 is sleeved at the first end part of the compression nut 5 and arranged on the right side of the compression nut 5; an annular groove is formed in the outer surface of the left side of the push shaft 9, an annular baffle 6 is movably sleeved on the annular groove through a baffle screw 3, and one end of the baffle screw 3 extends into the annular groove; the planer supporting mechanism is sleeved on the push shaft 9, arranged on the right side of the annular baffle 6 and used for fixedly supporting the push shaft 9; the annular baffle 6 is connected with a movable connecting rod 29 through a long baffle screw 30, and one end of the long baffle screw 30 extends into the annular groove; the movable connecting rod 29 is movably connected with a movable rocker 31 through a connecting rod screw 28, one end of the movable rocker 31 is connected with the planer supporting mechanism through a rocker screw, and the other end of the movable rocker 31 is provided with a handle 32.
The left end of the supporting shaft 18 is sleeved at the second end part of the tensioning screw rod 4, and the planer supporting mechanism is sleeved on the supporting shaft 18 and used for fixedly supporting the supporting shaft 18; the right end of the support shaft 18 is connected to a rotating mechanism. Specifically, the push shaft 9 includes a through hole main shaft and a through hole disc-like first nesting portion formed by extending one end of the through hole main shaft outwards; the support shaft 18 includes a through-hole spindle and a through-hole disk-like second socket portion formed by extending one end of the through-hole spindle outward. Further, oil cups 7 are arranged on the front support sleeve 8 and the rear support sleeve 20.
The elastic expanding tire 11 is of a conical end cover structure, one end of the push shaft 9 extends outwards to form a first sleeving part, one end of the support shaft 18 extends outwards to form a second sleeving part, and the elastic expanding tire 11 is sleeved on the first sleeving part and the second sleeving part respectively. The push shaft 9, the elastic expansion tire 11, the support shaft 18, the tensioning nut 4 and the slide valve are arranged on the same central axis.
As shown in fig. 5, the elastic expansion tire 11 includes a through hole end cover body, and the through hole end cover body is divided by a cutting slit to form a plurality of cladding elastic sheets for wrapping and connecting the push shaft 9 or the support shaft 18; and the through hole bosses of the corresponding slide valves on the outer side end faces of the through hole end cover bodies are provided with uniformly distributed support ribs, and the support ribs naturally extend to the outer edges of the peripheries of the end cover bodies from the circumferential outer edges of the bosses. Each separated elastic piece corresponds to one supporting rib. Preferably, the number of the support ribs is 6.
Further, an annular stay bar 12 sleeved on the tensioning screw rod 4 is arranged between the elastic expansion tire 11 and the tensioning screw rod 4, and an annular expansion tire wrench 10 sleeved on the tensioning screw rod 4 is arranged between the push shaft 9 and the tensioning screw rod 4. As shown in fig. 6, the outer surfaces of the two ends of the stay bar 12 are provided with annular protrusions for limiting. As shown in fig. 7, the right end of the expanding wrench 10 is disposed between the tightening screw 4 and the ring stay 12, and the outer surface of the right end of the expanding wrench 10 is provided with a convex portion and contacts with the ring stay 12. And left-right-handed threads in threaded connection with the elastic expansion tire 11 are arranged at two ends of the annular support rod 12. In the rotation process of the expanding tire wrench 10, the elastic expanding tire 11 is respectively fixed to two sides through the annular stay bar 12 and the thread of the elastic expanding tire 11, so that centering and positioning are realized.
In this embodiment, the planer tool moving mechanism is provided with a planer tool which slides up and down, and the planer tool performs reciprocating linear motion in the axial direction and performs vertical motion in the radial direction. Specifically, planer tool motion includes the ram, and ram support 16 sets up the front end of ram, support connection board 15 set up in the front end of ram support 16, the slide rail sets up perpendicularly the front end of support connection board 15, be provided with gliding knife rest 14 from top to bottom on the slide rail, be provided with planer tool and knife rest apron 13 on the knife rest 14. The planer tool movement mechanism comprises a motor driving ball screw and is used for achieving vertical movement. In other embodiments, the tool tip of the plane tool is arc-shaped, the arc-shaped tool surface is attached to the outer circle surface of the circular part, and the radius of the arc-shaped tool surface is consistent with the radius of the workpiece.
In this embodiment, the planer supporting mechanism includes a planer base 27, a front machining platform 1 and a rear machining platform 23 are arranged above the planer base 27, a front support frame 2 is arranged on the front machining platform 1, a front support sleeve is arranged in the front support frame 2, the front support sleeve is sleeved on the push shaft 9, and one end of the movable rocker 31 is connected with the front support frame 2 through a rocker screw;
the post-processing platform 23 is provided with a rear supporting frame 19, a rear supporting sleeve 20 is arranged in the rear supporting frame 19, and the rear supporting sleeve 20 is sleeved on the supporting shaft 18. A thrust ball bearing 17 is arranged between the supporting shaft 18 and the rear supporting sleeve 20. Further, an end cover 21 is provided to the right of the support shaft 18.
Further, be provided with motor support 22 on the post-processing platform 23, be provided with on the motor support 22 slewing mechanism, slewing mechanism suit is in on the back shaft 18, the one end of back shaft 18 outwards extends and forms the second and cup joints the position with elasticity expands child 11 and is connected, the other end and the worm turbine reduction gear of back shaft 18 are connected. The rotating mechanism comprises a motor-driven worm gear reducer and is used for realizing rotary motion. The worm gear reducer is an nmrv090 worm gear reducer.
Further, the front machining platform 1 and the rear machining platform 23 are connected to the planer support mechanism and the automatic rotating mechanism by M16 × 70 bolts 25 and M20 × 45 bolts 26. The front machining platform 1 and the rear machining platform 23 are connected with the base 27 through M16 nuts 24.
The invention also provides a machining method of the special planer for machining the slide valve, which comprises the following steps:
step S1: installing a slide valve on a planer, expanding the slide valve by an elastic expansion tire 11, and realizing the centering positioning and clamping of the slide valve under the locking action of a tensioning screw rod 4 and a compression nut 5;
step S2: the planer tool axially moves in parallel along the outer circle of the slide valve, after one-time linear reciprocating machining is completed, the automatic rotating mechanism rotates by a preset angle, and the planer tool continues to perform linear reciprocating motion until one-circle machining of the outer circle of the slide valve is completed;
step S3: after one circle of excircle of the slide valve is processed, the planer tool vertically feeds downwards for a preset distance to process the excircle of the next round;
step S4: after the slide valve is machined, the push shaft 9 is moved by rocking the handle 32, and the finished slide valve is taken out.
Further, in the step S1, after the left push shaft 9, the elastic expansion tire 11, the slide valve and the right support shaft 18 on the planer are locked by the middle tightening screw 4, the motor of the automatic rotation mechanism drives the worm gear reducer to drive the right support shaft 18 of the planer to rotate, so as to realize the automatic rotation of the slide valve. The automatic rotating mechanism and the planer tool moving mechanism are also connected with the PLC.
As shown in FIG. 8, the slide valve is a casting, the diameter of the outer circle of the slide valve is 150mm to 250mm, preferably 205mm, and the axial length of the slide valve is 320mm to 420mm, preferably 370 mm. The slide valve is a cylindrical slide valve rod with a through hole. In this embodiment, the spool has a large diameter and a long axial length, and is easily eccentric when machined due to the presence of the projecting plate rod. The machining allowance of the excircle per feeding is 0.5 mm-1.5 mm, and is preferably 1 mm. The rotation angle depends on the diameter, and the chord length of the excircle corresponding to each rotation is 0.5 mm-1.5 mm, preferably 1 mm. In other embodiments, the specific values are determined based on the part itself and the field commissioning of the machine. In the embodiment, the verticality tolerance of the central axis of the finished slide valve and the end surface of the slide valve is controlled within 0.03 mm. The parallelism tolerance of the end face is controlled within 0.03 mm. The parallelism tolerance of the central axis of the slide valve and the surface of the inner hole of the slide valve is controlled within 0.03 mm.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A planing machine for machining slide valves, comprising: a planer supporting mechanism, an automatic rotating mechanism and a planer tool moving mechanism;
the automatic rotating mechanism comprises a tension screw rod (4) and at least one pair of elastic expansion tires (11) for fixing the sliding valve; a compression nut (5) is arranged at the first end part of the tensioning screw rod (4), and a push shaft (9) is sleeved at the first end part of the compression nut (5) and arranged on the right side of the compression nut (5); an annular groove is formed in the outer surface of the left side of the push shaft (9), an annular baffle (6) is movably sleeved on the annular groove through a baffle screw (3), and one end of the baffle screw (3) extends into the annular groove; the planer supporting mechanism is sleeved on the push shaft (9), arranged on the right side of the annular baffle (6) and used for fixedly supporting the push shaft (9); the annular baffle (6) is connected with a movable connecting rod (29) through a long baffle screw (30), and one end of the long baffle screw (30) extends into the annular groove; the movable connecting rod (29) is movably connected with a movable rocker (31) through a connecting rod screw (28), one end of the movable rocker (31) is connected with the planer supporting mechanism through a rocker screw, and the other end of the movable rocker (31) is provided with a handle (32);
the left end of the supporting shaft (18) is sleeved at the second end part of the tensioning screw rod (4), and the planer supporting mechanism is sleeved on the supporting shaft (18) and used for fixedly supporting the supporting shaft (18); the right end of the supporting shaft (18) is connected with a rotating mechanism;
the elastic expansion tire (11) is of a conical end cover structure, one end of the push shaft (9) extends outwards to form a first sleeving part, one end of the support shaft (18) extends outwards to form a second sleeving part, and the elastic expansion tire (11) is sleeved on the first sleeving part and the second sleeving part respectively;
the planing tool moving mechanism is provided with a planing tool which slides up and down, and the planing tool performs reciprocating linear motion left and right in the axial direction and performs vertical motion up and down in the radial direction.
2. The planing machine for the machining of slide valves according to claim 1, wherein: the planer supporting mechanism comprises a planer base (27), a front machining platform (1) and a rear machining platform (23) are arranged above the planer base (27), a front supporting frame (2) is arranged on the front machining platform (1), a front supporting sleeve is arranged in the front supporting frame (2), the front supporting sleeve is sleeved on the push shaft (9), and one end of the movable rocker (31) is connected with the front supporting frame (2) through a rocker screw;
the post-processing platform (23) is provided with a rear supporting frame (19), a rear supporting sleeve (20) is arranged in the rear supporting frame (19), and the rear supporting sleeve (20) is sleeved on the supporting shaft (18).
3. The planing machine for the machining of slide valves according to claim 1, wherein: the planing tool moving mechanism comprises a ram, a ram support (16) is arranged at the front end of the ram, a support connecting plate (15) is arranged at the front end of the ram support (16), a sliding rail is vertically arranged at the front end of the support connecting plate (15), a planing tool and a planing tool cover plate (13) are arranged on the planing tool (14), and the planing tool cover plate slide up and down; the planer tool axially performs left-right reciprocating linear motion and performs vertical motion in the radial direction.
4. The planing machine for the machining of slide valves according to claim 1, wherein: be provided with motor support (22) on postprocessing platform (23), be provided with on motor support (22) slewing mechanism, the slewing mechanism suit is in on back shaft (18), the other end of back shaft (18) with slewing mechanism connects.
5. The planing machine for the machining of slide valves according to claim 1, wherein: the push shaft (9), the elastic expansion tire (11), the support shaft (18) and the slide valve are arranged on the same central axis.
6. The planing machine for the machining of slide valves according to claim 1, wherein: the rotating mechanism comprises a motor-driven worm and turbine speed reducer and is used for realizing rotary motion; the planer tool movement mechanism comprises a motor driving ball screw and is used for achieving vertical movement.
7. The planing machine for the machining of slide valves according to claim 1, wherein: the slide valve is a casting.
8. The planing machine for the machining of slide valves according to claim 1, wherein: and the automatic rotating mechanism and the planer tool moving mechanism are connected with a PLC (programmable logic controller).
9. A machining method of a special planer for machining a slide valve is characterized by comprising the following steps:
step S1: the slide valve is arranged on a planer, the slide valve is expanded by an elastic expansion tire (11), and the slide valve realizes the centering positioning and clamping of the slide valve under the locking action of a tensioning screw rod (4) and a compression nut (5);
step S3: the planer tool axially moves in parallel along the excircle of the slide valve to complete linear reciprocating machining; the automatic rotating mechanism rotates by a preset angle, and the planer tool continues to perform linear reciprocating motion until one circle of outer circle of the sliding valve is machined;
step S4: after one circle of excircle of the slide valve is processed, the planer tool vertically feeds downwards for a preset distance to process the excircle of the next round;
step S5: and after the slide valve is machined, moving a push shaft (9) and taking out the finished slide valve.
10. The machining method of the planing machine for machining slide valves according to claim 9, wherein: in the step S3, after a push shaft (9), an elastic expansion tire (11), a slide valve and a support shaft (18) on the planer are locked through a middle tensioning screw rod (4), an automatic rotating mechanism drives the planer support shaft (18) to rotate, and the slide valve is automatically rotated.
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| CN202110451343.XA CN113510285B (en) | 2021-04-26 | 2021-04-26 | Planer special for machining slide valve and machining method thereof |
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| CN202110451343.XA CN113510285B (en) | 2021-04-26 | 2021-04-26 | Planer special for machining slide valve and machining method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115229278A (en) * | 2022-09-22 | 2022-10-25 | 江苏志威重工科技有限公司 | Manufacturing equipment and manufacturing method for slip ring support of horizontal-axis wind driven generator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115229278A (en) * | 2022-09-22 | 2022-10-25 | 江苏志威重工科技有限公司 | Manufacturing equipment and manufacturing method for slip ring support of horizontal-axis wind driven generator |
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