CN201871945U

CN201871945U - Rotary workbench device of multi-station speed-adjustable numerically controlled drilling machine

Info

Publication number: CN201871945U
Application number: CN2010205938133U
Authority: CN
Inventors: 林哲然
Original assignee: 林颖
Priority date: 2010-11-05
Filing date: 2010-11-05
Publication date: 2011-06-22
Anticipated expiration: 2020-11-05

Abstract

The utility model discloses a rotary workbench device of a multi-station speed-adjustable numerically controlled drilling machine, which comprises a rotation control servo motor and a rotary workbench. The rotary workbench is driven by the rotation control servo motor to rotate, a plurality of stations are disposed on the rotary workbench, the rotation control servo motor is connected with a signal output end of a numerical control system, and the rotary workbench can precisely rotate for a certain angle by means of controlling the rotation control servo motor by the numerical control system. The rotary workbench device can machine a plurality of parts at the same time, completes machining of working procedures such as drilling, chambering, reaming, boring or grinding and the like for the same hole or the same hole series, accordingly realizes multi-station streamline type part machining, improves production efficiency and reduces employment.

Description

The rotating table device of multistation adjustable speed numerical control drilling machine

Technical field

The utility model relates to a kind of Digit Control Machine Tool, is specifically related to a kind of rotating table device of multistation adjustable speed numerical control drilling machine.

Background technology

Drilling machine is widely used in modern industry, generally can be divided into common driller and numerical control drilling machine.Though common driller is simple to operate, because manually-operated cause is difficult to accomplish accurately location and high accuracy processing, the production efficiency and the quality of production are very limited simultaneously.Numerical control drilling machine is applied to modern advanced, has characteristics such as accurate positioning, machining accuracy and efficient height.Present numerical control drilling machine majority is the single station drilling machine of single head drilling machine or bull, be difficult to realize that same part finishes the multistep operation and can realize that a plurality of parts process operation separately simultaneously under a clamping, so just be difficult to accomplish the pipelining of multistep operation, can't well improve working (machining) efficiency, also be difficult on the precision meet the demands.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of rotating table device of multistation adjustable speed numerical control drilling machine, and it can process a plurality of parts simultaneously, and can realize the different operations of the continuous down processing of clamping No. one time.

For solving the problems of the technologies described above, the technical solution of the rotating table device of the utility model multistation adjustable speed numerical control drilling machine is:

Comprise gyration control servomotor, rotary table, by the rotation of gyration control driven by servomotor rotary table, rotary table is provided with a plurality of stations; Gyration control servomotor is connected with the signal output part of digital control system, by the control of digital control system to gyration control servomotor, rotary table is accurately turned an angle.

Described a plurality of station is with respect to the rotary table circumference uniform distribution.

Described rotating table device also comprises a gear, No. two gears, and the output shaft of described gyration control servomotor connects a gear, a gear and No. two gears engaged, and No. two gear connects rotary table.

Described rotary table flexibly connects by the bed piece of self-aligning roller bearing and multistation adjustable speed numerical control drilling machine.

Described rotary table flexibly connects by the bed piece of ball and multistation adjustable speed numerical control drilling machine, realizes the rotation and the support of rotary table.

Described rotary table is provided with conducting slip ring equipment.

The technique effect that the utility model can reach is:

The utility model can be processed a plurality of parts simultaneously at synchronization, and revolution by rotary table, finish the processing of the operations such as boring, reaming, fraising, bore hole or grinding out of same hole or hole system, can accomplish multistation pipeline system part processing with this, enhance productivity, reduce recruitment quantity.

Tool feeding motion of the present utility model and rotary table motion can improve machining accuracy by servomotor control.

The utility model can be finished the processing of several operations on a bench drill, and processes several parts simultaneously, realizes high efficiency, high accuracy processing.

Separate and circulation continuously between each drill bit of the utility model, can realize that a workman finishes four hole manufacturing procedure tasks of a part by the form of streamline a position, improved production efficiency greatly, and same part can finish the processing of a plurality of operations under a clamping, better controlled the position error of hole processing.

The combination of the utility model four blade tool is installed and is made lathe reasonable integral structure compactness, has saved the occupation of land space of lathe greatly.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:

Fig. 1 is the schematic diagram that multistation adjustable speed numerical control drilling machine of the present utility model is installed;

Fig. 2 is the main pseudosection of Fig. 1;

Fig. 3 is the top plan view of Fig. 1;

Fig. 4 is the structural representation of the rotating table device of the utility model multistation adjustable speed numerical control drilling machine.

Description of reference numerals among the figure:

1 is bed piece, and 2 is the cutter arrangement fixed platform,

3 is the feed servo motor, and 4 is bracing frame,

5 is leading screw, and 6 is slide block,

7 is buncher, and 8 is tool mounting,

9 is cutter, and 10 is rotary table,

11 is self-aligning roller bearing, and 12 is ball,

13 is No. two gears, and 14 is a gear,

15 are gyration control servomotor.

The specific embodiment

The rotating table device of the utility model multistation adjustable speed numerical control drilling machine is used for as Fig. 1, Fig. 2, multistation adjustable speed numerical control drilling machine shown in Figure 3.

Multistation adjustable speed numerical control drilling machine comprises the bed piece 1 of vertical placement, and bed piece 1 is provided with rotating table device and cutter arrangement; Cutter arrangement is arranged at the top of rotating table device;

As shown in Figure 4, rotating table device comprises gyration control servomotor 15, gear 14, No. two gears 13, self-aligning roller bearing 11, rotary table 10, the output shaft of gyration control servomotor 15 connects with a gear 14 by the elastic cylindrical pin shaft coupling, driving a gear 14 rotates, a gear 14 and No. two gear 13 engagements, No. two gear 13 connects with rotary table 10 by the elastic cylindrical pin shaft coupling, parts fixation is realized the revolution of part on rotary table 10.Rotary table 10 flexibly connects by self-aligning roller bearing 11 and bed piece 1.

As shown in Figure 2, be connected for the plane contact formula between rotary table 10 and the bed piece 1, be respectively arranged with circular groove on the contact-making surface of rotary table 10 and bed piece 1, ball 12 wear-resisting and that intensity is high is set in this circular groove, realize the rotation and the support of rotary table 10.

Gyration control servomotor 15 is connected with the signal output part of digital control system, by the control of digital control system to gyration control servomotor 15, rotary table 10 is accurately turned an angle.

Rotary table 10 is provided with conducting slip ring equipment, is used to detect the rotational angle of rotary table 10, can effectively avoid because the caused electric wire of the rotation of rotary table 10 twines problem.

Gyration control servomotor 15 is by the gyration of conducting slip ring equipment control and regulation rotary table 10, by obtaining the angle information that lathe rotated of rotary table 10 relative static conditions, make comparisons with standard corner 90 degree, and make gyration control servomotor 15 make corresponding compensation, make rotary table 10 can both accurately rotate 90 degree each time, guarantee that part to be processed can correctly be fixed on the processing request position of top tool 9.

Cutter arrangement comprises cutter arrangement fixed platform 2, feed servo motor 3, bracing frame 4, leading screw 5, slide block 6, buncher 7, tool mounting 8, cutter 9, cutter arrangement fixed platform 2 is fixedlyed connected with the top cover of bed piece 1, and a plurality of feed servo motors 3 are arranged on the cutter arrangement fixed platform 2; Leading screw 5, slide block 6, buncher 7, tool mounting 8 and cutter 9 are fixedlyed connected with cutter arrangement fixed platform 2 by bracing frame 4 as an integral cutter unit; Each feed servo motor 3 connects an integral cutter unit;

The output shaft of feed servo motor 3 connects leading screw 5, and feed servo motor 3 can drive leading screw 5 and accurately rotate; Slide block 6 is movably set on the leading screw 5, and slide block 6 can move up and down along leading screw 5, by the bottom and top feed motion that leading screw 5 and cooperating of slide block 6 can realize cutter 9; Slide block 6 is fixedlyed connected with buncher 7, and buncher 7 can be followed slide block 6 bottom and top feeds, and buncher 7 is fixedlyed connected with tool mounting 8, and tool mounting 8 clampings have cutter 9.A plurality of cutters 9 are with respect to rotary table 10 circumference uniform distributions.

Cutter 9 can be one or more in drill bit, expansion cutter, reamer, boring cutter or the sharpening.

As shown in Figure 3, four feed servo motors 3 are set on the cutter arrangement fixed platform 2, supporting four integral cutter unit, four stations on the corresponding rotary table 10.

Buncher 7 is connected with the signal output part of digital control system, by the control of digital control system to buncher 7, can control the rotary speed of cutter 9.

Feed servo motor 3 is connected with the signal output part of digital control system, by the control of digital control system to feed servo motor 3, can accurately control the amount of feeding and the feed speed of cutter 9.Compare in the servo-drive system and feed back output by obtaining the actual value of cutter 9 feed speeds and the amount of feeding, being input to,, realize high accuracy processing to accomplish the closed loop or the half-closed loop control of cutter 9 feed motions.

Integral cutter of the present utility model unit is fixed in cutter arrangement fixed platform 2 by bracing frame 4, the monolateral active force that can avoid cutter 9 and buncher 7 to cause causes slide block 6 inclinations and leading screw 5 central shafts not on a line, utilize fixedly leading screw 5 of rolling bearing simultaneously, leading screw 5 can not moved on horizontal level relative to bracing frame 4, guarantee integral cutter unit non-migration and be in vertical state.

The course of work of the present utility model is as follows:

At first with a part blank clamping to be processed at a station, the station emptying of its excess-three, start a feed servo motor 3 of a station correspondence, No. one feed servo motor 3 drives leading screw 5 equidirectional rotations, a slide block 6 is moved down, and then drive a buncher 7 and a cutter 9 moves down, a cutter 9 is rapidly moved under the situation of not rotating apart from part processing face certain height;

Stop feed servo motor 3 No. one, start a corresponding buncher 7, the rotating speed of buncher is transferred to require rotating speed; The running that keeps a buncher 7 starts a corresponding feed servo motor 3, and the rotating speed and the rotation time of a feed servo motor 3 of control are with the feed speed and the amount of feeding of controlling a cutter 9; After reaching amount of feeding requirement, stop feed servo motor 3 No. one, and stop buncher 7 subsequently No. one;

Withdraw from cutter 9 No. one, speed when withdrawing from part keeps that to add the speed in man-hour consistent with feeding; Oppositely start a feed servo motor 3, make a cutter 9 be climbed to initial position, treat that cutter 9 is stable after, stop the running of a feed servo motor 3, the above is a part processing step.

After an above-described feed servo motor 3 shuts down, start gyration control servomotor 15, if processing sequence is by counterclockwise arrangement, then the rotation direction of gyration control servomotor 15 is clockwise, gyration control servomotor 15 is by the transmission of

gear pair

13,14, rotary table 10 is rotated counterclockwise, and first part turns to cutter 9 belows No. two, and the above is the rotation step of rev workbench 10.

This moment, first part was positioned at the cutter below No. two, second part is positioned at the cutter below No. one, satisfy required manufacturing procedure separately, then finish the part processing step one time, then realized the processing of two operations of first part and the processing of an operation of second part.

Process in this order, after rotary table 10 rotates a circle, first part transfers back to the cutter below No. one, this moment, first part was finished the processing of four operations, second part finished first three operation processing, the 3rd part finished the first two operation processing, and the 4th part finished first operation processing.First part that machines is taken out, the 5th parts fixation to be processed on cutter 9 times, continued to finish a revolution step, a procedure of processing and a revolution step.By that analogy, carry out procedure of processing and revolution step, realize the multiple operation processing and the pipelining operation of part according to said sequence.

Claims

1. the rotating table device of a multistation adjustable speed numerical control drilling machine, it is characterized in that: comprise gyration control servomotor (15), rotary table (10), by the rotation of gyration control servomotor (15) driving rotary table (10), rotary table (10) is provided with a plurality of stations; Gyration control servomotor (15) is connected with the signal output part of digital control system, by digital control system the control of servomotor (15) is controlled in gyration, can make the accurate rotation of rotary table (10).

2. the rotating table device of multistation adjustable speed numerical control drilling machine according to claim 1 is characterized in that: described a plurality of stations are with respect to rotary table (10) circumference uniform distribution.

3. the rotating table device of multistation adjustable speed numerical control drilling machine according to claim 1 and 2, it is characterized in that: described rotating table device also comprises a gear (14), No. two gears (13), the output shaft of described gyration control servomotor (15) connects a gear (14), a gear (14) and No. two gears (13) engagement, No. two gears (13) connect rotary table (10).

4. the rotating table device of multistation adjustable speed numerical control drilling machine according to claim 1 is characterized in that: described rotary table (10) flexibly connects by the bed piece (1) of self-aligning roller bearing (11) with multistation adjustable speed numerical control drilling machine.

5. according to the rotating table device of claim 1 or 4 described multistation adjustable speed numerical control drilling machines, it is characterized in that: described rotary table (10) flexibly connects by the bed piece (1) of ball (12) with multistation adjustable speed numerical control drilling machine, realizes the rotation and the support of rotary table (10).

6. the rotating table device of multistation adjustable speed numerical control drilling machine according to claim 1 and 2 is characterized in that: described rotary table (10) is provided with conducting slip ring equipment.