CN111015080A

CN111015080A - Threaded hole machining method, machining control device and machining equipment

Info

Publication number: CN111015080A
Application number: CN201911025696.2A
Authority: CN
Inventors: 姚健明; 朱建平; 姚一帆
Original assignee: Suzhou Industrial Park Mingli Casting Co Ltd
Current assignee: Suzhou Industrial Park Mingli Casting Co Ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-04-17

Abstract

The invention discloses a threaded hole machining method, a machining control device and machining equipment, and relates to the machining of threaded holes, wherein the machining method comprises the steps of placing a blank at a bayonet position of a clamp device; when the blank is detected to be placed into the bayonet position, the clamping jaw is started to press the blank, and the blank is driven and guided to enter the clamping position along the inner wall of the bayonet and is clamped; driving the clamp device to drive the blank to move to a first processing position; drilling at a specific position of the blank; after the drilling processing is finished, driving the clamp device to drive the blank to move to a second processing position; chamfering the inner edge of the drilled hole of the blank; after the chamfer machining is finished, driving the clamp device to drive the blank to move to a third machining position; and (4) tapping along the drilling hole of the blank until the threaded hole is machined. The whole process is automatically finished only by placing the blank in the bayonet position of the clamp device, and the machining efficiency is high.

Description

Threaded hole machining method, machining control device and machining equipment

Technical Field

The present invention relates to thread machining, and more particularly, to a method of machining a threaded hole, a machining control device, and a machining apparatus.

Background

The processing that screw hole adopted various lathe on the current product: for example, a drilling machine, a lathe, a boring machine, etc. take a drilling machine to process a small number of screw holes as an example, a common drilling machine has a large positioning error, and generally, one hole is processed and then another hole is made to ensure the form and position accuracy of the hole: 1, firstly, determining the center position of a screw hole, such as a scribing line, a sample plate and a drilling jig. Taking the scribing as an example, firstly, drilling a threaded bottom hole. And 3, reaming. And 4, spot facing and processing a counter bore with the largest diameter. And 5, tapping. And 6, machining the next screw hole.

At present, Chinese patent with application number 201510888233.4 discloses an internal thread processing method of a blind hole without a tool withdrawal groove, which comprises the steps of obtaining thread processing specification parameters of the blind hole to be processed; selecting a corresponding cutter and obtaining cutting allowance to determine a cutting feed distance according to the thread machining specification parameters; wherein the starting point position of the cutting feed distance is positioned at the opening of the blind hole to be processed; and (4) carrying out thread machining on the blind hole to be machined by using a cutter according to the cutting feed distance. .

Although the machining mode is high in accuracy, blind holes need to be additionally drilled through other equipment before machining, then machining can be smoothly conducted, and machining efficiency is improved.

Disclosure of Invention

Aiming at the defects in the prior art, the first purpose of the invention is to provide a threaded hole machining method which has the advantage of high machining efficiency.

In order to achieve the purpose, the invention provides the following technical scheme:

a method for machining a threaded hole comprises

Placing the blank in a bayonet position of a clamp device;

when the blank is detected to be placed into the bayonet position, the clamping jaw is started to press the blank, and the blank is driven and guided to enter the clamping position along the inner wall of the bayonet position and is clamped;

driving the clamp device to drive the blank to move to a first processing position;

drilling at a specific position of the blank;

after the drilling processing is finished, driving the clamp device to drive the blank to move to a second processing position;

chamfering the inner edge of the drilled hole of the blank;

after the chamfer machining is finished, driving the clamp device to drive the blank to move to a third machining position;

and (4) tapping along the drilling hole of the blank until the threaded hole is machined.

By adopting the technical scheme, when the blank is processed, the blank is firstly placed at the bayonet position, after the blank is detected to be placed, the clamping jaws are automatically started to press the blank, no additional operation is needed, the blank is driven and guided to the clamping position by the pressing force action of the inner wall of the bayonet position and slides along the inner wall of the bayonet position, and then the blank is clamped and fixed. Later fixture device drives the blank and removes to first station of adding, carries out drilling processing to the blank at first station of adding, and after drilling finishes, fixture device drives the blank and removes to second station of adding, carries out the chamfer to the drilling of blank at second station of adding, and later fixture device drives the blank and removes to third station of adding, adds the station to the blank tapping at the third, and whole process only needs place the blank at fixture device's bayonet socket position, accomplishes automatically, and machining efficiency is high.

Further, the fixture device drives the blank to move along a circular motion track when driving the blank to move, and the first processing station, the second processing station and the third processing station are distributed on the circular motion track.

Adopt above-mentioned technical scheme, first processing position, second processing position, third processing position set up respectively on the circular movement track of fixture device motion, then when fixture device rotated along circular, can shift the blank to suitable processing department and process, and it is convenient to carry to move at circular track, return the original place after rotating the round, conveniently take off the blank.

Further, the clamping device is fixed after the blank is detected to enter the first processing station, the second processing station or the third processing station.

Adopt above-mentioned technical scheme, after the blank got into first processing station, second processing station or third processing station, fix the fixture device, place the blank and remove the influence processing, help promoting the machining precision.

In view of the defects in the prior art, a second object of the present invention is to provide a threaded hole machining control device, which has the advantage of high machining efficiency.

a threaded hole machining control device comprising a processor and a memory, the memory storing an instruction set for the processor to call to implement:

after receiving the detection information that the blank is placed into the bayonet position, controlling the clamping jaw to abut against and guide the blank to enter a clamping position along the inner wall of the bayonet and clamp the blank;

controlling a mechanical and electrical device to drive the clamp device to drive the blank to move to a first processing position;

controlling a first drill bit device to drill holes at a specific position of the blank;

after the drilling processing is finished, controlling the electromechanical device to drive the clamp device to drive the blank to move to a second processing position;

controlling a second drill bit device to perform chamfering processing on the inner edge of the drilled hole of the blank;

after the chamfer machining is finished, controlling the electromechanical device to drive the clamp device to drive the blank to move to a third machining position;

and controlling the tap device to tap along the drilled hole of the blank until the threaded hole is machined.

By adopting the technical scheme, when the blank is processed, the blank is firstly placed at the bayonet position, after the blank is detected to be placed in, the clamping jaw is automatically started to press the blank, no extra operation is needed, the blank is driven and guided to the bayonet position by the pressing force of the inner wall of the bayonet and slides along the inner wall of the bayonet, and then the bayonet is clamped and fixed. Later fixture device drives the blank and removes to first station of adding, carries out drilling processing to the blank at first station of adding, and after drilling finishes, fixture device drives the blank and removes to second station of adding, carries out the chamfer to the drilling of blank at second station of adding, and later fixture device drives the blank and removes to third station of adding, adds the station to the blank tapping at the third, and whole process only needs to place fixture device's bayonet socket department with the blank, accomplishes automatically, and machining efficiency is high.

Aiming at the defects in the prior art, the third purpose of the invention is to provide a threaded hole machining device which has the advantage of high machining efficiency.

a threaded hole machining device comprises the threaded hole machining control device in the technical scheme.

The device further comprises a base, a rotating platform arranged on the base and a motor device used for driving the rotating platform to rotate and lock;

the rotating platform is provided with a clamp device for clamping the blank;

the base is provided with a first drill bit device for drilling at a first machining position;

the base is provided with a second drill bit device for chamfering at a second machining position;

a screw tap device for tapping is arranged at a third processing position on the base;

the first processing station, the second processing station and the third processing station are distributed on the same circular track.

By adopting the technical scheme, the rotating platform is arranged on the base, under the control of the control device, the automatic rotation of the rotating platform is realized by the driving of the motor device, then the blank is driven to move to a required processing position, and the locking is carried out through the motor device, so that the influence of unstable fixation of the blank on the processing precision is reduced. After the course of working at this processing position is accomplished, continue motor means drive and rotate the platform once more, drive fixture device and remove the blank to next processing position, carry out the flow of processing of drilling, chamfer, tapping in proper order, whole process is automatic to be accomplished, and degree of automation is high, and machining efficiency is high.

Further, fixture device is including fixing at the fixing base that rotates the platform, with fixing base articulated jack catch, it still sets up the drive jack catch and rotates closed cylinder to the fixing base along the pin joint to rotate to the rotating platform, the bayonet socket that supplies the blank to put into has between fixing base and the jack catch, the bayonet socket is close to the position setting of pin joint and presss from both sides the bayonet socket position of tight blank.

Adopt above-mentioned technical scheme, the fixing base setting is rotating the platform, and the jack catch articulates on the fixing base, and when cylinder drive jack catch rotated along the pin joint, the bayonet socket grow between jack catch and the fixing base or diminish, and when the bayonet socket diminished, the bayonet socket position just can be fixed the blank clamp, need not manual operation, promotes machining efficiency.

Further, the distance between the inner wall of the bayonet and the inner wall of the fixing seat is increased from the outside of the bayonet to the direction of the bayonet position.

By adopting the technical scheme, when the blank is placed into the bayonet, because the distance between the inner wall of the mouth and the inner wall of the fixing seat is increased from the outside of the bayonet to the direction of the bayonet position, when the clamping jaw is pressed against the base, the blank can move to the bayonet position along the inner wall of the bayonet under the action of pressing force, and then the clamping jaw is clamped without manual operation, and the processing efficiency is improved.

In conclusion, the invention has the following beneficial effects:

1. when a blank is machined, the blank is firstly placed at a bayonet position, after the blank is detected to be placed in, a clamping jaw is automatically started to abut against the blank without extra operation, the blank slides along the inner wall of the bayonet under the abutting pressure action of the inner wall of the bayonet, the blank is driven and guided to the bayonet position, then the bayonet is clamped and fixed without manual operation, and the machining efficiency is improved;

2. the fixture device drives the blank to move to a first machining position, the blank is drilled at the first machining position, after drilling is finished, the fixture device drives the blank to move to a second machining position, the second machining position is used for chamfering the drilled hole of the blank, then the fixture device drives the blank to move to a third machining position, the blank is tapped at the third machining position, the whole process is automatically finished only by placing the blank at a bayonet of the fixture device, and the machining efficiency is high;

3. when the blank is put into the bayonet, because the distance between mouth inner wall and the fixing base inner wall is from the bayonet socket outside to bayonet socket position direction by little grow, when supporting the pressure between jack catch and base, the blank can move to the bayonet socket position along the bayonet socket inner wall under the effect of supporting the pressure, and then presss from both sides tightly and blocks, need not manual operation, further promotes machining efficiency.

Drawings

FIG. 1 is a schematic flow chart of a method for machining a threaded hole according to the present invention;

FIG. 2 is a schematic view of a threaded hole machining control device according to the present invention;

FIG. 3 is a schematic view showing the structure of a threaded hole machining apparatus according to the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3 illustrating the clamping device;

fig. 5 is an enlarged view of a portion B in fig. 4 to illustrate a bayonet position.

In the figure: 11. a processor; 12. a memory; 21. a base; 22. rotating the platform; 23. a motor device; 3. a clamp device; 31. a fixed seat; 32. a claw; 33. a cylinder; 34. a bayonet position; 35. a clamping position; 41. a first processing station; 42. a first drill bit means; 43. a first lifting device; 51. a second processing station; 52. a second drill bit means; 53. a second lifting device; 61. a third processing station; 62. a screw tap device; 63. and a third lifting device.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Example 1

A method for machining a threaded hole, referring to FIG. 1, includes steps S101 to S108.

Step S101: the blank is placed in the bayonet position 34 of the gripper device 3.

Step S102: when it is detected that the blank has been placed in the bayonet position 34, the jaws 32 are activated to press against the blank, driving the blank along the inner wall of the bayonet position 34 into the clamping position 35 and clamping it.

Step S103: the gripper device 3 is driven to move the blank to the first processing station 41.

Step S104: and drilling at a specific position of the blank.

Step S105: after the drilling process is completed, the driving jig device 3 drives the blank to move to the second processing position 51.

Step S106: and chamfering the inner edge of the drilled hole of the blank.

Step S107: after the chamfering process is completed, the driving jig device 3 drives the blank to move to the third processing station 61.

Step S108: and (4) tapping along the drilling hole of the blank until the threaded hole is machined.

The fixture device 3 drives the blank to move along a circular motion track when driving the blank to move, and the first processing station 41, the second processing station 51 and the third processing station 61 are distributed on the circular motion track.

The threaded hole machining method further includes fixing the position of the jig device 3 after detecting that the blank member enters the first machining station 41, the second machining station 51, or the third machining station 61.

Example 2

A threaded hole machining control device, referring to fig. 2, comprises a processor 11 and a memory 12, wherein the memory 12 stores an instruction set for the processor 11 to call to realize:

after receiving the detection information that the blank is placed into the bayonet position 34, controlling the clamping jaw 32 device to press and guide the blank to enter the clamping position 35 along the inner wall of the bayonet position 34 and clamp the blank;

controlling the electromechanical device 23 to drive the clamping device 3 to drive the blank to move to the first processing station 41;

controlling the first drill bit device 42 to drill at a specific position of the blank;

after the drilling process is finished, the electromechanical device 23 is controlled to drive the clamp device 3 to drive the blank to move to the second processing position 51;

controlling the second drill bit device 52 to perform chamfering processing on the inner edge of the drilled hole of the blank;

after the chamfering process is finished, the electromechanical device 23 is controlled to drive the clamp device 3 to drive the blank to move to the third processing position 61;

and controlling the tapping device 62 to tap along the drilled hole of the blank until the machining of the threaded hole is completed.

Example 3

A threaded hole machining apparatus includes a threaded hole machining control device as in embodiment 2. Referring to fig. 3, the device further comprises a base 21, a rotating platform 22 arranged on the base 21, and a motor device for driving the rotating platform 22 to rotate and lock.

Base 21 is the platform form for support and installation rotate platform 22, rotate platform 22 and rotate with base 21 through the axis of rotation and be connected, rotate and the locking under motor device's drive, when the blank reaches first processing position 41, second processing position 51 or third processing position 61, motor device will rotate platform 22 locking under screw hole machining controlling means's control, avoid the blank to remove and influence the machining precision, motor device includes step motor and motor drive in this embodiment.

Referring to fig. 3 and 4, the rotary platform 22 is provided with a clamp device 3 for clamping the blank.

Referring to fig. 4 and 5, the clamping device 3 includes a fixed seat 31 fixed on the rotating platform 22, and a jaw 32 hinged to the fixed seat 31, the rotating platform 22 is further provided with an air cylinder 33 for driving the jaw 32 to rotate and close to the fixed seat 31 along a hinge point, a bayonet position 34 for placing a blank is provided between the fixed seat 31 and the jaw 32, and the bayonet position 34 for clamping the blank is provided at a position where the bayonet position 34 is close to the hinge point. Further, an infrared detection device (not shown) for detecting whether a blank is put in is provided inside the fixing base 31.

The distance between the inner wall of the bayonet position 34 and the inner wall of the fixed seat 31 is increased from the outside of the bayonet to the direction of the bayonet position 34. When the blank is placed into the bayonet position 34, because the distance between the inner wall of the bayonet position 31 and the inner wall of the fixed seat 31 is increased from the outside of the bayonet position 34 to the direction of the bayonet position 34, when the clamping jaw 32 and the base 21 are pressed against each other, the blank can move to the bayonet position 34 along the inner wall of the bayonet position 34 under the action of pressing force, and then is clamped.

The base 21 is provided with a first drilling device 42 for drilling at a first processing position 41; the base 21 is provided with a second drill bit device 52 for chamfering at a second processing position 51; the base 21 is provided with a tapping device 62 for tapping at a third machining station 61; the first processing station 41, the second processing station 51 and the third processing station 61 are distributed on the same circular track.

When adding man-hour, fixture device 3 drives the blank and removes to first processing position 41, carry out drilling process to the blank at first processing position 41, after drilling finishes, fixture device 3 drives the blank and removes to second processing position 51, carry out the chamfer to the drilling of blank at second processing position 51, later fixture device 3 drives the blank and removes to third processing position 61, to the tapping blank at third processing position 61, whole process only needs to place fixture device 3's bayonet socket position 34 with the blank, automatic completion, machining efficiency is high.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. A threaded hole machining method is characterized in that: comprises that

Placing the blank in a bayonet position (34) of a clamping device (3);

when the blank is detected to be placed into the bayonet position (34), the clamping jaw (32) is started to press the blank, and the blank is driven and guided to enter the clamping position (35) along the inner wall of the bayonet position (34) and is clamped;

the clamp device (3) is driven to drive the blank to move to a first processing position (41);

drilling at a specific position of the blank;

after the drilling processing is finished, driving the clamp device (3) to drive the blank to move to a second processing position (51);

chamfering the inner edge of the drilled hole of the blank;

after the chamfering process is finished, the clamp device (3) is driven to drive the blank to move to a third processing position (61);

2. The method for machining a threaded hole according to claim 1, characterized in that: the fixture device (3) drives the blank to move along a circular motion track when moving, and the first processing station (41), the second processing station (51) and the third processing station (61) are distributed on the circular motion track.

3. The method for machining a threaded hole according to claim 1, characterized in that: the method further comprises the step of fixing the position of the clamping device (3) after the blank is detected to enter the first processing station (41), the second processing station (51) or the third processing station (61).

4. The utility model provides a screw hole processing controlling means which characterized in that: comprising a processor (11) and a memory (12), the memory (12) storing a set of instructions for the processor (11) to call to implement:

after detection information that the blank is placed into the bayonet position (34) is received, the clamping jaw (32) is controlled to abut against and guide the blank to enter a clamping position (35) along the inner wall of the bayonet position (34) and clamp the blank;

controlling a mechanical and electrical device (23) to drive the clamp device (3) to drive the blank to move to a first processing station (41);

controlling a first drill bit device (42) to drill at a specific position of the blank;

after the drilling processing is finished, the electromechanical device (23) is controlled to drive the clamp device (3) to drive the blank to move to the second processing position (51);

controlling a second drill bit device (52) to perform chamfering processing on the inner edge of the drilled hole of the blank;

after the chamfering is finished, the electromechanical device (23) is controlled to drive the clamp device (3) to drive the blank to move to the third machining position (61);

and controlling a tapping device (62) to tap along the drilled hole of the blank until the threaded hole is machined.

5. The utility model provides a screw hole processing equipment which characterized in that: comprises the threaded hole machining control device as claimed in claim 4.

6. The threaded hole machining apparatus according to claim 5, wherein: the device also comprises a base (21), a rotating platform (22) arranged on the base (21) and a motor device for driving the rotating platform (22) to rotate and lock;

the rotating platform (22) is provided with a clamp device (3) for clamping the blank;

the base (21) is provided with a first drill bit device (42) for drilling at a first processing position (41);

the base (21) is provided with a second drill bit device (52) for chamfering at a second machining position (51);

the base (21) is provided with a tap device (62) for tapping at a third processing station (61);

the first processing station (41), the second processing station (51) and the third processing station (61) are distributed on the same circular track.

7. The threaded hole machining apparatus according to claim 6, wherein: fixture device (3) including fix fixing base (31) rotating platform (22), with fixing base (31) articulated jack catch (32), rotating platform (22) still sets up drive jack catch (32) and rotates closed cylinder (33) to fixing base (31) along the pin joint, bayonet socket position (34) that supply the blank to put into have between fixing base (31) and jack catch (32), bayonet socket position (34) are close to the position of pin joint and set up the clamp position (35) of pressing from both sides tight blank.

8. The threaded hole machining apparatus according to claim 7, wherein: the distance between the inner wall of the bayonet position (34) and the inner wall of the fixed seat (31) is increased from the outside of the bayonet to the direction of the bayonet position (34).