CN117260411B - Composite machining mechanism and tap machining grinding machine - Google Patents

Composite machining mechanism and tap machining grinding machine Download PDF

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Publication number
CN117260411B
CN117260411B CN202311516041.1A CN202311516041A CN117260411B CN 117260411 B CN117260411 B CN 117260411B CN 202311516041 A CN202311516041 A CN 202311516041A CN 117260411 B CN117260411 B CN 117260411B
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CN
China
Prior art keywords
grinding wheel
rotating plate
angle
machining
chassis
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Active
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CN202311516041.1A
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Chinese (zh)
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CN117260411A (en
Inventor
靖江猛
党添龙
白顺平
张宁
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Hebei Master Metal Machinery Manufacturing Co ltd
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Hebei Master Metal Machinery Manufacturing Co ltd
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Priority to CN202311516041.1A priority Critical patent/CN117260411B/en
Publication of CN117260411A publication Critical patent/CN117260411A/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/02—Bench grinders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/06—Grinders for cutting-off
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/06—Grinders for cutting-off
    • B24B27/0683—Accessories therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/18—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of taps or reamers
    • B24B3/22—Relief cutting of taps or reamers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/007—Weight compensation; Temperature compensation; Vibration damping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses a composite machining mechanism and a tap machining grinding machine, and relates to the technical field of tap machining. The mechanism comprises: the bearing surface of the first angle adjusting device is provided with a second angle adjusting device, and a rotating plate of the second angle adjusting device is provided with a mounting table; a first grinding wheel is arranged on any side wall of the mounting table, and a second grinding wheel is arranged on the side wall of the mounting table adjacent to the first grinding wheel through a third angle adjusting device; the third angle adjustment device includes: an adjusting sliding groove is formed in the adjusting chassis, and the mounting plate is arranged on the adjusting chassis; the mounting plate is provided with a movable bearing and is positioned in the adjusting chute; the position of the mounting plate relative to the adjusting chassis is changed through moving the bearing, the machining angle of the second grinding wheel is adjusted, the rotating plate is driven to rotate through the first angle adjusting device and the second angle adjusting device, and corresponding grinding wheels are switched to implement corresponding machining operation on a workpiece to be machined; and the integral layout integration is ensured.

Description

Composite machining mechanism and tap machining grinding machine
Technical Field
The invention relates to the technical field of tap machining, in particular to a composite machining mechanism and a tap machining grinding machine.
Background
Tap is the most dominant tool for manufacturing operators to machine threads. Taps are classified into straight flute taps, spiral flute taps and pointed taps (leading end taps) according to their shapes, wherein the pointed taps are a variation of the straight flute taps.
The tap belongs to industrial consumables, the use amount is large, and the machining efficiency of a machine tool is also high. At present, the domestic partial enterprises research and develop the numerical control thread grinder with the spiral groove and the straight groove which are both applicable, but the front end machining operation and the shovel angle machining operation in the existing numerical control thread grinder respectively occupy one station, so that the whole occupied space of the numerical control thread grinder is larger, and the whole applicability of the numerical control thread grinder can be influenced. Therefore, we propose a compound machining mechanism and a tap grinding machine to solve the above problems.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings in the prior art, it is desirable to provide a composite machining mechanism and a tap machining grinder that are wide in application range, high in integration level and low in cost.
In a first aspect, the present invention provides a compound machining mechanism comprising:
the first angle adjusting device is provided with a bearing surface, a second angle adjusting device is arranged on the bearing surface, and the second angle adjusting device is provided with a rotating plate; the rotary plate is provided with an installation table; a first grinding wheel is arranged on any side wall of the mounting table and is used for executing front-end machining operation on a workpiece to be machined;
the second grinding wheel is arranged on the side wall of the mounting table adjacent to the first grinding wheel through a third angle adjusting device; the second grinding wheel is used for executing a shovel angle machining operation on a workpiece to be machined;
the third angle adjustment device includes:
an adjustment chassis disposed on a sidewall of the mounting table adjacent to the first grinding wheel; an adjusting chute is formed in the adjusting chassis, and the section of the adjusting chute is arc-shaped;
the mounting plate is arranged on one side of the adjusting chassis, which is far away from the mounting table, and is used for mounting the second grinding wheel; at least two movable bearings are arranged on the mounting plate and are positioned in the adjusting chute; the central axis of the movable bearing is perpendicular to the adjusting chassis;
the movable bearing moves in the adjusting chute, the relative position of the mounting plate relative to the adjusting chassis is changed, the machining angle of the second grinding wheel is adjusted, and the first angle adjusting device and the second angle adjusting device drive the rotating plate to rotate so as to switch the first grinding wheel or the second grinding wheel to implement corresponding machining operation on a workpiece to be machined.
According to the technical scheme provided by the invention, the first angle adjusting device comprises:
the bearing chassis is rotationally connected with the grinder body of the tap processing grinder through a pin shaft; a base is arranged on the bearing chassis;
a moving stage provided on the base, and moving in a first direction on the base; the first direction is the length direction of the base; the surface of the mobile station, which is far away from the base, forms the bearing surface for installing the second angle adjusting device.
According to the technical scheme provided by the invention, the second angle adjusting device comprises:
the rotating plate is rotationally connected with the mobile station through a pin shaft;
the driving assembly is arranged on the moving table and provided with a first driving end, and the first driving end is rotationally connected with the side wall of the rotating plate.
According to the technical scheme provided by the invention, the mobile station is provided with the locking groove, the cross section of the locking groove is arc-shaped, and the locking groove and the pin shaft are concentrically arranged; the inner wall of the locking groove is provided with a limiting edge, and the limiting edge is arranged close to the notch of the locking groove;
a locking component is arranged between the rotating plate and the mobile station, and the locking component comprises:
the driving piece is arranged at the upper part of the rotating plate and provided with a second driving end, and the second driving end penetrates through the rotating plate;
a locking member having a locking portion and a connecting portion connected to each other; the connecting part is connected with the second driving end, and the locking part is positioned in the locking groove;
the driving piece drives the locking piece to move, so that the locking part is contacted with the limiting edge surface to lock the current position of the rotating plate.
According to the technical scheme provided by the invention, the second angle adjusting device further comprises: the limiting assemblies are arranged on the mobile station and are positioned on two sides of the rotating plate;
the spacing subassembly includes:
a base, which is arranged on the mobile station, wherein a stop block is arranged on the base and is used for limiting the angle adjusting range of the rotating plate;
the detection module is arranged on the base and is in communication connection with a control unit of the tap processing grinder; when the side wall of the rotating plate is in contact with the stop block, the detection module detects a position limit signal and transmits the position limit signal to the control unit;
the control unit is electrically connected with the driving assembly and controls the start and stop of the driving assembly according to the bit limit signal.
According to the technical scheme provided by the invention, the base is also provided with the buffer piece for relieving the acting force when the rotating plate is contacted with the stop block.
In a second aspect, the present invention provides a tap machining grinder comprising:
the grinding machine body is provided with a rotatable rotary table; the rotary table is provided with a plurality of groups of clamping assemblies for clamping a workpiece to be processed;
the grinding machine body is also provided with a plurality of stations arranged along the circumference of the rotary table; a rough grooving machining mechanism, a semi-finish grooving machining mechanism, a compound machining mechanism, a thread grinding machining mechanism and a feeding and discharging mechanism are respectively arranged on the stations;
and switching the workpiece on the clamping assembly to be in butt joint with the processing mechanism of each station sequentially by rotating the rotary table so as to implement corresponding processing operation.
According to the technical scheme provided by the invention, the finish grooving mechanism comprises:
the mounting plate of the third angle adjusting device is provided with a processing grinding wheel;
and when the third angle adjusting device rotates, the processing grinding wheel is driven to rotate so as to change the processing angle of the processing grinding wheel.
In summary, the present invention provides a specific structure of a composite processing mechanism. The invention sets up the second angle adjusting device on the bearing surface of the first angle adjusting device, the second angle adjusting device has a rotating plate, mount the mount table on the rotating plate, there are first grinding wheel and second grinding wheel on two adjacent sidewall of mount table separately, the first grinding wheel is used for carrying out the front end processing operation to the work piece to be processed, the second grinding wheel is used for carrying out the angle shoveling processing operation to the work piece to be processed; the second grinding wheel is connected with the corresponding side wall of the mounting table through a third angle adjusting device; specifically, the third angle adjustment device includes: the adjusting chassis is arranged on the side wall of the mounting table, and one side, away from the mounting table, of the adjusting chassis is provided with a mounting plate for mounting a second grinding wheel; at least two movable bearings are arranged on the mounting plate and are positioned in the adjusting chute; the central axis of the movable bearing is perpendicular to the adjusting chassis; the movable bearing moves in the adjusting chute, the relative position of the mounting plate relative to the adjusting chassis is changed, the machining angle of the second grinding wheel is adjusted, and the first angle adjusting device and the second angle adjusting device drive the rotating plate to rotate so as to switch the first grinding wheel or the second grinding wheel to implement corresponding machining operation on a workpiece to be machined.
According to the invention, the first grinding wheel and the second grinding wheel are arranged on two adjacent side walls of the mounting table, and different grinding wheels can be switched to process a workpiece through the first angle adjusting device, the second angle adjusting device and the third angle adjusting device; in addition, the rotating connection position of the third angle adjusting device is a movable bearing which is arranged in the adjusting chute, and an additional entity rotating shaft is not needed, so that the whole layout is more integrated; the problems of large occupied space and high cost of the grinding machine are effectively solved.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments made with reference to the following drawings.
Fig. 1 is a schematic view of a structure of a composite machining mechanism when a tip machining operation is performed.
Fig. 2 is a schematic view of the structure of the composite machining mechanism when the shovel angle machining operation is performed.
Fig. 3 is a schematic structural view of the adjusting chute and the moving bearing.
Fig. 4 is a schematic structural view of the locking assembly.
Fig. 5 is a schematic structural view of the limiting assembly.
Fig. 6 is a schematic view of the overall structure of the tap processing grinder.
Fig. 7 is a schematic top view of the tap grinding machine.
Fig. 8 is a schematic structural view of the finish grooving mechanism.
Fig. 9 is a schematic view of the structure of the load-bearing chassis.
Reference numerals in the drawings: 1. a load-bearing chassis; 2. adjusting the chassis; 3. a drive assembly; 4. adjusting the chute; 5. a moving bearing; 6. a locking groove; 7. a driving member; 8. a locking member; 9. a base; 10. a stop block; 11. a detection module; 12. a buffer member; 13. a grinder bed; 14. a rotary table; 15. a rough grooving processing mechanism; 16. a semi-finishing grooving mechanism; 17. a finish grooving processing mechanism; 18. a composite processing mechanism; 19. a thread grinding machining mechanism; 20. a loading and unloading mechanism; 21. a mounting table; 22. a first grinding wheel; 23. a second grinding wheel; 24. a base; 25. a mobile station; 26. a rotating plate; 27. and a pin shaft.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
Example 1
Referring to fig. 1 and 2, a schematic structural diagram of a first embodiment of a composite machining mechanism is shown, which is applied to a tap grinding machine for performing a tip or relief machining operation on a tap.
As shown in fig. 1 and 2, the compound machining mechanism includes:
a first angle adjusting device, which is provided with a bearing surface, a second angle adjusting device is arranged on the bearing surface, and the second angle adjusting device is provided with a rotating plate 26; the rotary plate 26 is provided with a mounting table 21; a first grinding wheel 22 is arranged on any side wall of the mounting table 21, and the first grinding wheel 22 is used for executing front end machining operation on a workpiece to be machined;
specifically, the first angle adjusting device includes:
the bearing chassis 1 is used as a basic bearing part of the first angle adjusting device, and the bearing chassis 1 is rotationally connected with the grinder bed 13 of the tap processing grinder through a pin 27; the bottom of the bearing chassis 1 is provided with a sliding block, the grinder bed 13 is provided with a sliding rail, the sliding block can move in the sliding rail, and when the angle of the bearing chassis 1 relative to the grinder bed 13 needs to be adjusted, a worker can manually push the bearing chassis 1 to move in the sliding rail so as to change the angle of the bearing chassis 1 relative to the grinder bed 13. Here, the bearing chassis 1 is provided with an air-floating cavity, and the air-floating cavity is inflated during angle adjustment, so that friction resistance during angle adjustment is reduced.
A base 24 is arranged on the bearing chassis 1 and is used for installing a mobile station 25;
a moving stage 25 provided on the base 24, and the moving stage 25 moves in a first direction on the base 24; the first direction is the length direction of the base 24; the surface of the mobile station 25 remote from the base 24 forms a bearing surface for mounting the second angular adjustment means.
The mobile station 25 moves on the base 24, for example: a moving rail arranged along a first direction is arranged on the base 24, a moving block is arranged at the bottom of the moving table 25 and can move in the moving rail, a driving cylinder is arranged at one end of the moving rail, the driving end of the driving cylinder is connected with the moving block, a baffle is arranged at the other end of the moving rail and used for preventing the moving block from completely sliding out of the moving rail; in use, the driving end of the driving cylinder drives the moving block to move in the moving track, so that the moving table 25 can move along the first direction relative to the base 24.
Specifically, the second angle adjustment device includes:
the rotating plate 26 is rotatably connected with the mobile station 25 through a pin 27;
the driving assembly 3 is arranged on the moving table 25, the driving assembly 3 is provided with a first driving end, and the first driving end is rotatably connected with the side wall of the rotating plate 26.
Here, the specific structure of the driving assembly 3 is, for example, a driving cylinder, a driving shaft of the driving cylinder is connected with a push rod, an end of the push rod away from the driving cylinder is a first driving end, and the first driving end is rotationally connected with a side wall of the rotating plate 26, and when the driving cylinder is started, the rotating plate 26 can be driven to rotate relative to the moving table 25.
Further, a locking groove 6 is formed in the mobile station 25, the cross section of the locking groove 6 is arc-shaped, and the locking groove 6 and the pin shaft 27 are concentrically arranged; the inner wall of the locking groove 6 is provided with a limit edge, and the limit edge is arranged close to the notch of the locking groove 6; as shown in fig. 4, the cross-sectional shape of the structure formed by the locking groove 6 and the stopper edge is a T-shape.
A locking assembly is provided between the rotating plate 26 and the moving table 25, as shown in fig. 4, and includes:
a driving member 7 disposed at an upper portion of the rotation plate 26, the driving member 7 having a second driving end, and the second driving end penetrating the rotation plate 26; here, the driving member 7 is of a type such as a driving cylinder.
A locking member 8 having a locking portion and a connecting portion connected to each other; the connecting part is connected with the second driving end, and the locking part is positioned in the locking groove 6;
the driving piece 7 drives the locking piece 8 to move, so that the locking part is contacted with the limiting edge surface to lock the current position of the rotating plate 26.
When the angle of the rotating plate 26 needs to be adjusted, the driving piece 7 drives the locking piece 8 to move downwards, so that the locking part of the locking piece 8 is not contacted with the limiting edge and the inner wall of the locking groove 6, and the rotating plate 26 can be freely adjusted at the moment; when the rotating plate 26 is adjusted to the required position, the driving piece 7 drives the locking piece 8 to move upwards until the locking part and the limiting edge are in full-face contact to form contact locking, and at the moment, the position of the rotating plate 26 is locked.
It should be noted that, the rotating plate 26 is provided with an air-floating cavity, and the air-floating cavity is inflated during the angle adjustment, so as to reduce the friction resistance during the angle adjustment.
Here, the mobile station 25 is provided with an angle adjustment section, which is an angle adjustable range of the rotating plate 26, for example, 0 to 5 degrees.
The movable table 25 may be provided with a scale, and a pointer may be provided at a position of the rotary plate 26 corresponding to the scale, so that when the rotary plate 26 rotates, the adjustment angle value can be more intuitively obtained by the position of the scale corresponding to the pointer.
In addition, as shown in fig. 5, the second angle adjustment device further includes: at least two sets of limiting components, which are arranged on the mobile station 25 and are positioned on two sides of the rotating plate 26;
specifically, the spacing subassembly includes:
a base 9 provided on the mobile station 25, the base 9 serving as a base carrier of the limit assembly; the base 9 is provided with a stop block 10, and the stop block 10 is used for limiting the angle adjustment range of the rotating plate 26;
wherein, the stop block 10 is a blocking structure formed by heat treatment, and the stop block 10 is connected with the base 9 by, for example, screwing the stop block 10 on the base 9, and the distance between the stop block 10 and the base 9 can be changed by fine adjustment of a connecting screw, so as to change the adjustable angle range of the rotating plate 26 relative to the moving table 25.
The detection module 11 is arranged on the base 9, and the detection module 11 is in communication connection with a control unit of the tap processing grinder; when the side wall of the rotating plate 26 is in contact with the stop block 10, the detection module 11 detects a position limit signal and transmits the position limit signal to the control unit;
the control unit is electrically connected with the driving assembly 3 and controls the starting and stopping of the driving assembly 3 according to the bit limit signal.
Here, the detection module 11 is of a type such as a proximity switch sensor. The control unit is, for example, an msp430 single-chip microcomputer.
The base 9 is further provided with a buffer 12 for reducing the force applied when the rotary plate 26 contacts the stopper 10. Here, the cushioning member 12 is of a type such as a damper.
A second grinding wheel 23 mounted on a side wall of the mounting table 21 adjacent to the first grinding wheel 22 by a third angle adjusting means; the second grinding wheel 23 is used for performing a shoveling angle machining operation on a workpiece to be machined;
as shown in fig. 1, the third angle adjusting apparatus includes:
an adjustment chassis 2 provided on a side wall of the mounting table 21 adjacent to the first grinding wheel 22; an adjusting chute 4 is arranged on the adjusting chassis 2, and the section shape of the adjusting chute 4 is arc-shaped;
here, the number of the adjustment slide grooves 4 is at least one, and generally two, so that the mounting plate can be stably rotated relative to the adjustment chassis 2.
A mounting plate provided on a side of the adjustment chassis 2 remote from the mounting table 21 for mounting the second grinding wheel 23; as shown in fig. 3, at least two movable bearings 5 are arranged on the mounting plate, and the movable bearings 5 are positioned in the adjusting chute 4; the central axis of the movable bearing 5 is arranged vertically to the adjusting chassis 2;
the movable bearing 5 moves in the adjusting chute 4, so that the relative position of the mounting plate relative to the adjusting chassis 2 is changed, the processing angle of the second grinding wheel 23 is adjusted, and the rotary plate 26 is driven to rotate by the first angle adjusting device and the second angle adjusting device so as to switch the first grinding wheel 22 or the second grinding wheel 23 to implement corresponding processing operation on a workpiece to be processed.
Wherein the positions of the individual devices are shown in FIG. 1 when the compound-processing mechanism 18 performs a tip processing operation; the front end machining operation only needs to machine the front end of the tap, the first grinding wheel 22 and the tap form a certain included angle, and the included angle can be adjusted by the first angle adjusting device and the second angle adjusting device; the positions of the respective devices when the compound processing mechanism 18 performs the shovel angle processing operation are shown in fig. 9; the relief angle machining operation adopts a pecking type machining mode, namely, the second grinding wheel 23 is tangent to the tap, namely, the second grinding wheel 23 can only be machined right above or above the side of the tap.
In a traditional tap processing grinding machine, a front end processing operation and a relief angle processing operation respectively occupy one station, so that the whole grinding machine occupies a larger processing space. However, in the invention, the front end machining operation and the shovel angle machining operation are combined and arranged on one machining station, and if the two machining operations are directly combined, the first grinding wheel 22 and the second grinding wheel 23 are interfered with each other, so the invention arranges the first grinding wheel 22 and the second grinding wheel 23 on two adjacent side walls of the mounting table 21, and can switch different grinding wheels to machine a workpiece through an adjusting component and an angle adjusting component; in addition, the rotating connection position of the third angle adjusting device is a movable bearing 5 which is arranged in the adjusting chute 4, and an additional physical rotating shaft is not needed, so that the first grinding wheel 22 and the second grinding wheel 23 can not interfere with each other, and the integration of the whole layout can be ensured; the problems of large occupied space and high cost of the grinding machine are effectively solved.
Example 2
As shown in fig. 6 and 7, the present invention also provides a tap processing grinder, comprising:
a grinder body 13, wherein a rotatable rotary table 14 is arranged on the grinder body 13; the turntable 14 is provided with a plurality of groups of clamping assemblies for clamping a workpiece to be processed; here, the specific structure of the clamping assembly is not limited, and the workpiece can be clamped.
The grinder bed 13 is also provided with a plurality of stations arranged along the circumferential direction of the rotary table 14; a rough grooving mechanism 15, a semi-finish grooving mechanism 16, a finish grooving mechanism 17, a compound machining mechanism 18, a thread grinding mechanism 19 and a feeding and discharging mechanism 20 described in the embodiment 1 are respectively arranged on the plurality of stations;
the workpiece on the clamping assembly is switched to be in butt joint with the processing mechanism of each station in sequence by rotating the rotary table 14 so as to implement corresponding processing operation.
The processing mechanism is provided according to the processing steps. Specifically, the rough grooving mechanism 15 is for rough grinding to form a straight flute on a straight fluted tap or a spiral flute on a spiral fluted tap; the semi-finishing grooving mechanism 16 is used for semi-finishing to form a straight flute on a straight flute tap or a spiral flute on a spiral flute tap; the finish grooving mechanism 17 is used for finish grinding to form a straight flute on a straight flute tap or a spiral flute on a spiral flute tap; the compound machining mechanism 18 is used for grinding the front end of the formed straight fluted tap and grinding the relief angle of the formed straight fluted tap or spiral fluted tap; the thread grinding mechanism 19 is used for grinding and forming threads on a straight flute tap or a spiral flute tap; the loading and unloading mechanism 20 is used for taking and placing workpieces to be processed and workpiece finished products.
Here, the specific structure of the loading and unloading assembly 20 is, for example, a carrier, and a manipulator disposed adjacent to the carrier, where the carrier has a first area for carrying a workpiece to be processed and a second area for carrying a workpiece finished product; the manipulator is used for taking off the finished workpiece finished product which is processed and placing the finished workpiece on the second area, and the workpiece to be processed in the first area is mounted on the corresponding clamping assembly.
Further, as shown in fig. 8, the finish grooving mechanism 17 includes:
the mounting plate of the third angle adjusting device is provided with a processing grinding wheel;
when the third angle adjusting device rotates, the processing grinding wheel is driven to rotate so as to change the processing angle of the processing grinding wheel.
Specifically, the conventional finish grooving process mechanism 17 interferes with the compound process mechanism when the straight fluted tap is processed, and in the present invention, when the angle of the finish grooving process mechanism 17 needs to be adjusted, the moving bearing 5 of the finish grooving process mechanism 17 moves in the corresponding adjusting chute 4, so that the angle of the finish grooving process mechanism can be changed, and at the same time, the interference between the finish grooving process mechanism 17 and the compound process mechanism 18 can be avoided.
The above description is only illustrative of the preferred embodiments of the present invention and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the invention referred to in the present invention is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present invention (but not limited to) having similar functions are replaced with each other.

Claims (6)

1. A composite processing mechanism, comprising:
a first angle adjustment device having a bearing surface on which a second angle adjustment device is arranged, the second angle adjustment device having a rotating plate (26); a mounting table (21) is mounted on the rotating plate (26); a first grinding wheel (22) is arranged on any side wall of the mounting table (21), and the first grinding wheel (22) is used for executing front end machining operation on a workpiece to be machined;
the first angle adjustment device includes:
the bearing chassis (1), the bearing chassis (1) is rotationally connected with a grinder body (13) of the tap processing grinder through a pin roll (27); a base (24) is arranged on the bearing chassis (1);
a moving stage (25) provided on the base (24), and the moving stage (25) moves in a first direction on the base (24); the first direction is the length direction of the base (24); the surface of the mobile station (25) away from the base (24) forms the bearing surface for mounting the second angle adjustment device;
the second angle adjustment device includes:
the rotating plate (26) is rotationally connected with the mobile station (25) through a pin shaft (27);
the driving assembly (3) is arranged on the moving table (25), the driving assembly (3) is provided with a first driving end, and the first driving end is rotationally connected with the side wall of the rotating plate (26);
a second grinding wheel (23) mounted on a side wall of the mounting table (21) adjacent to the first grinding wheel (22) by a third angle adjustment device; the second grinding wheel (23) is used for executing a shovel angle machining operation on a workpiece to be machined;
the third angle adjustment device includes:
an adjustment chassis (2) provided on a side wall of the mounting table (21) adjacent to the first grinding wheel (22); an adjusting chute (4) is formed in the adjusting chassis (2), and the section of the adjusting chute (4) is arc-shaped;
the mounting plate is arranged on one side of the adjusting chassis (2) away from the mounting table (21) and is used for mounting the second grinding wheel (23); at least two movable bearings (5) are arranged on the mounting plate, and the movable bearings (5) are positioned in the adjusting sliding groove (4); the central axis of the movable bearing (5) is perpendicular to the adjusting chassis (2);
the movable bearing (5) moves in the adjusting chute (4), the relative position of the mounting plate relative to the adjusting chassis (2) is changed, the machining angle of the second grinding wheel (23) is adjusted, and the first angle adjusting device and the second angle adjusting device drive the rotating plate (26) to rotate so as to switch the first grinding wheel (22) or the second grinding wheel (23) to implement corresponding machining operation on a workpiece to be machined.
2. A compound machining mechanism according to claim 1, characterized in that a locking groove (6) is formed in the mobile station (25), the cross section of the locking groove (6) is arc-shaped, and the locking groove (6) and the pin shaft (27) are concentrically arranged; the inner wall of the locking groove (6) is provided with a limiting edge, and the limiting edge is arranged close to a notch of the locking groove (6);
a locking assembly is arranged between the rotating plate (26) and the mobile station (25), and comprises:
a driving member (7) disposed at an upper portion of the rotating plate (26), the driving member (7) having a second driving end, and the second driving end penetrating the rotating plate (26);
a locking member (8) having a locking portion and a connecting portion connected to each other; the connecting part is connected with the second driving end, and the locking part is positioned in the locking groove (6);
the driving piece (7) drives the locking piece (8) to move, so that the locking part is contacted with the limiting edge surface to lock the current position of the rotating plate (26).
3. The compound machining mechanism of claim 1, wherein the second angular adjustment device further comprises: at least two groups of limiting components, which are arranged on the mobile station (25) and are positioned on two sides of the rotating plate (26);
the spacing subassembly includes:
a base (9) disposed on the mobile station (25), wherein a stopper (10) is disposed on the base (9), and the stopper (10) is used for limiting the angle adjustment range of the rotating plate (26);
the detection module (11) is arranged on the base (9), and the detection module (11) is in communication connection with a control unit of the tap processing grinder; when the side wall of the rotating plate (26) is in contact with the stop block (10), the detection module (11) detects a position limit signal and transmits the position limit signal to the control unit;
the control unit is electrically connected with the driving assembly (3), and the control unit controls the start and stop of the driving assembly (3) according to the bit limit signal.
4. A compound machining mechanism according to claim 3, characterized in that the base (9) is further provided with a buffer (12) for reducing the force exerted by the rotating plate (26) when it contacts the stop (10).
5. A tap machining grinder, comprising:
a grinder body (13), wherein a rotatable rotary table (14) is arranged on the grinder body (13); the rotary table (14) is provided with a plurality of groups of clamping assemblies for clamping a workpiece to be processed;
the grinder body (13) is also provided with a plurality of stations circumferentially arranged along the rotary table (14); a rough grooving mechanism (15), a semi-finishing grooving mechanism (16), a finishing grooving mechanism (17), a compound machining mechanism (18), a thread grinding mechanism (19) and a feeding and discharging mechanism (20) according to any one of claims 1-4 are respectively arranged on the stations;
the rotary table (14) is rotated to switch the workpiece on the clamping assembly to be in butt joint with the machining mechanism of each station in sequence so as to implement corresponding machining operation.
6. The tap machining grinder according to claim 5, wherein the finish grooving mechanism (17) has:
the mounting plate of the third angle adjusting device is provided with a processing grinding wheel;
and when the third angle adjusting device rotates, the processing grinding wheel is driven to rotate so as to change the processing angle of the processing grinding wheel.
CN202311516041.1A 2023-11-15 2023-11-15 Composite machining mechanism and tap machining grinding machine Active CN117260411B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422120A (en) * 1972-05-06 1976-01-21 Coventry Gauge & Tool Co Ltd Screw thread tap grinding
US4608643A (en) * 1983-08-18 1986-08-26 Spiral Step Tool Company Automatic tool grinding machine with computerized control
CN104227564A (en) * 2014-09-04 2014-12-24 北京工业大学 Movable CBN (cubic boron nitride) grinding wheel dresser for following double-grinding-carriage crankshaft grinder
CN106625163A (en) * 2017-02-28 2017-05-10 梅木精密工业(珠海)有限公司 Contact-type automatic alignment device and method for numerical control internal thread machine tool
CN112676928A (en) * 2020-12-24 2021-04-20 西北机器有限公司 Extrusion tap grinding machine and using method thereof
CN113910022A (en) * 2021-11-11 2022-01-11 济南凯特尔机器有限公司 Numerical control end surface cylindrical grinder for efficiently and ultraprecisely grinding high-speed cutter handle
CN216576957U (en) * 2021-11-29 2022-05-24 河北力准机械制造有限公司 Screw tap machining machine tool

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422120A (en) * 1972-05-06 1976-01-21 Coventry Gauge & Tool Co Ltd Screw thread tap grinding
US4608643A (en) * 1983-08-18 1986-08-26 Spiral Step Tool Company Automatic tool grinding machine with computerized control
CN104227564A (en) * 2014-09-04 2014-12-24 北京工业大学 Movable CBN (cubic boron nitride) grinding wheel dresser for following double-grinding-carriage crankshaft grinder
CN106625163A (en) * 2017-02-28 2017-05-10 梅木精密工业(珠海)有限公司 Contact-type automatic alignment device and method for numerical control internal thread machine tool
CN112676928A (en) * 2020-12-24 2021-04-20 西北机器有限公司 Extrusion tap grinding machine and using method thereof
CN113910022A (en) * 2021-11-11 2022-01-11 济南凯特尔机器有限公司 Numerical control end surface cylindrical grinder for efficiently and ultraprecisely grinding high-speed cutter handle
CN216576957U (en) * 2021-11-29 2022-05-24 河北力准机械制造有限公司 Screw tap machining machine tool

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