CN202411925U - Accessory head library structure and numerical control machine tool provided with same - Google Patents
Accessory head library structure and numerical control machine tool provided with same Download PDFInfo
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- CN202411925U CN202411925U CN2011203639926U CN201120363992U CN202411925U CN 202411925 U CN202411925 U CN 202411925U CN 2011203639926 U CN2011203639926 U CN 2011203639926U CN 201120363992 U CN201120363992 U CN 201120363992U CN 202411925 U CN202411925 U CN 202411925U
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- rotating disc
- machine tool
- library structure
- balladeur train
- motor apparatus
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Abstract
The utility model provides an accessory head library structure and a numerical control machine tool provided with the accessory head library structure. The accessory head library structure comprises a base, a sliding frame, a supporting frame, a rotating disc and a shaft, wherein the base is fixed on a foundation; the sliding frame is in sliding connection with the base; the supporting frame is fixed on the sliding frame; the shaft is fixedly connected with the supporting frame; an inner hole is formed in the rotating disc, and the rotating disc is sleeved on the shaft through the inner hole and can rotate around the shaft; and at least one mounting opening for an accessory head to be placed in is formed on the peripheral wall of the rotating disc. The accessory head library structure and the numerical control machine tool provided with the accessory head library structure have the beneficial effects that as the accessory head is installed in the mounting opening on the peripheral wall of the rotating disc, the occupied space of a head library is effectively saved; and by means of the translation of the sliding frame and the rotating function of the rotating disc, the conveying and the replacement of the accessory head can be realized.
Description
Technical field
The utility model relates to engineering machinery field, is specifically related to a kind of accessory joint storage structure and has its Digit Control Machine Tool.
Background technology
At present, most Digit Control Machine Tools, particularly large-sized numerical control machining center are equipped with multiple annex head in order to satisfy different processing needs, to enlarge the range of work.Because the annex head is heavier, generally need lifting tool to install and the position centering, this operation human factor is more, often wastes a large amount of man-hours, the big and inefficiency of labour intensity.
The patent No. is the library structure that 200820201312.9 document discloses a kind of planer-type milling machine; The travel(l)ing rest that can laterally move relative to column is installed on its column; Place the annex head on the travel(l)ing rest; The annex head is transversely arranged, and the annex head can move to realize the installation of milling head through the machining area that travel(l)ing rest carries to planer-type milling machine.A plurality of if desired milling heads, it relies on the width that increases travel(l)ing rest that a plurality of annex heads are installed, and has increased lateral length greatly, influences lathe integral layout and attractive in appearance.For another example, the patent No. is that 200810140225.1 document discloses a kind of accessory joint storage, and wherein milling head laterally is uniformly distributed with arrangement on slide unit, and it is bigger to take up an area of the space, influences the integral layout of lathe.
The utility model content
In order to overcome the above-mentioned defective and the deficiency of prior art, first purpose of the utility model be to provide a kind of can space-saving accessory joint storage structure, comprising: the balladeur train that is fixed on base on the basis, is slidingly connected with base, bracing frame, rotating disc, axle; Bracing frame is fixed on the balladeur train; Axle is fixedly connected with bracing frame; Rotating disc is provided with endoporus, and is located on the axle through inner hole sleeve, and can pivot; The perisporium of rotating disc has at least one installing port that is used to place the annex head.
Further, a library structure also comprises: first motor apparatus that is used for the rotation of driven in rotation coiling axle; First motor apparatus and rotating disc are in transmission connection.
Further, first motor apparatus comprises first motor and the reductor that is arranged on the bracing frame, and reductor is connected with the output of first motor, and the output and the rotating disc of reductor are in transmission connection.
Further, the output of reductor is in transmission connection through gear shaft and gear and rotating disc; Gear is installed on the rotating disc; Gear shaft is fixed on the output of reductor; Gear and gear shaft engagement.
Further, a library structure also comprises: be used to drive second motor apparatus that balladeur train slides on base; Second motor apparatus and balladeur train are in transmission connection.
Further, a library structure also comprises the leading screw that is arranged on the base, and second motor apparatus is in transmission connection through leading screw and balladeur train.
Further, the sidewall of installing port is provided with guide rail, the gathering sill mating reaction on guide rail and the annex head, axial restraint annex head.
Further, a library structure also comprises: be used for the gathering sill on the annex head is carried the gas blow pipe of gas, gas blow pipe is arranged on the position of closing on installing port on the rotating disc perisporium; Or/and be used for the annex head is carried out the alignment pin and the cylinder of radial location; Cylinder is arranged in the hole on the installing port sidewall, and the piston rod of cylinder is connected with alignment pin.The utility model also provides a kind of Digit Control Machine Tool, comprises this library structure and machine tool control system.
Further, be provided with first breather line in the axle; Be provided with second breather line that is communicated with first breather line in the rotating disc, second breather line also with gas blow pipe or/and cylinder be communicated with.The utility model also provides a kind of Digit Control Machine Tool, comprises this library structure and machine tool control system.
Further, a library structure also comprises: the pneumatic operated valve that is used for the gas of the pneumatic means of Digit Control Machine Tool is delivered to first breather line; Pneumatic operated valve is arranged on the bracing frame.The utility model also provides a kind of Digit Control Machine Tool, comprises this library structure and machine tool control system.
Further, a library structure also comprise be used for when each other triggering, controlling first motor apparatus out-of-work first near switch and second near switch, first is provided with the position of closing on installing port on the rotating disc near switch; Second is arranged on the bracing frame near switch.The utility model also provides a kind of Digit Control Machine Tool, comprises this library structure and machine tool control system.
Second purpose of the utility model is to provide a kind of Digit Control Machine Tool, comprises above-mentioned any library structure.Among the utility model embodiment the annex head is installed in the installing port on the rotating disc perisporium, rotating disc can pivot and along with balladeur train laterally moves along base, can realize carrying annex head and installation, and has effectively practiced thrift a storehouse and take up room.
Description of drawings
Shown in Figure 1 is the stereogram of a library structure embodiment of the utility model milling machine
Shown in Figure 2 is the front view of structure shown in Figure 1;
Shown in Figure 3 is the left view of structure shown in Figure 1;
Shown in Figure 4 is the C-C partial sectional view of Fig. 2;
Shown in Figure 5 is the structure chart of rotating disc embodiment shown in Figure 1;
Shown in Figure 6 is the structure chart of axle embodiment shown in Figure 1.
The specific embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Shown in Fig. 1-4, a library structure embodiment of the utility model milling machine comprises: base 1, balladeur train 2, bracing frame 3, rotating disc 4, axle 5, gear 6, gear shaft 7, leading screw 8, line slideway 9, motor 10-11, reductor 11a, pneumatic operated valve 12, guide rail 13, cylinder 14, alignment pin 14a, gas blow pipe 15, contact-making switch 16, air-flow gathering sill 17, breather line 41 and breather line 51.
Wherein, base 1 is fixed on the basis, and balladeur train 2 is slidingly connected with base 1; During concrete operations; Can two line slideways 9 be fixed on the base 1, balladeur train 2 links to each other with base 1 through two line slideways 9, can also adopt other common modes that is slidingly connected certainly; Preferably,, can utilize motor apparatus to drive balladeur train 2 in order to realize automatic slip, concrete as, utilize motor 10 and driving member to drive; Further preferably, can utilize leading screw 8 as driving member, leading screw 8 is arranged on the base 1, and motor 10 drives balladeur train 2 through leading screw 8, can also adopt other common kinds of drive certainly, like rack-and-pinion transmission, chain transmission etc.The kind of drive of above-mentioned leading screw 8 can guarantee that balladeur train 2 operates steadily accurately the displacement easy for calculation.
Bracing frame 3 is fixed on the balladeur train 2, can comprise the main backstop 31 and secondary bracing frame 32 that are individually fixed in balladeur train 2 both sides, and it has through hole; Axle 5 passes through hole and is fixed on the bracing frame 3; It is understandable that axle 5 is fixedly connected with bracing frame 3 and gets final product, passing through hole is preferred version to achieve a fixed connection; During concrete operations, can axle 5 and bracing frame 3 is one-body molded; Certainly, bracing frame 3 also can only comprise main backstop 31, and is enough thick in back shaft 5 reposefully like what main backstop 31 was provided with; Rotating disc 4 is set on the axle 5, and its endoporus matches with axle 5 through bearing, and can be around axle 5 rotations; Its perisporium has the installing port that is used to place the annex head; The quantity of installing port can freely be set, and preferably is uniformly distributed with symmetric arrangement, and the position of endoporus also can be set according to actual needs; In Fig. 1 and structure shown in Figure 2, this endoporus is positioned at the center of rotating disc 4, evenly is equipped with four square installing ports on the perisporium of rotating disc 4.Wherein, the dust cover on the main shaft of numerical control machine tool 18 can block installing port.
Preferably, can be provided for the motor apparatus of driven in rotation dish 4, to realize the automatic rotation of rotating disc 4 around axle 5 rotations; This motor apparatus can be arranged on the main backstop 31, can be arranged on other positions, on axle 5.This motor apparatus can comprise independent motor 11 and reductor 11a, can certainly directly adopt motor.Motor 11 and reductor 11a are fixed on the main backstop 31, and reductor 11a is connected with the output of motor 11, can adopt gear drive between the output of reductor 11a and the rotating disc 4, as: gear 6 and gear shaft 7.Wherein, gear 6 is installed on the rotating disc 4, particularly, is fixed on the side of rotating disc 4 near main backstop 31 (this position for ease be arranged on reductor 11a and motor 11 mating reactions on the main backstop 31) like gear 6; Gear shaft 7 is fixed on the output of reductor 11a, and meshes with gear 6, thereby driven rotary dish 4 rotates around axle 5.Certainly, during concrete operations, can adopt other kinds of drive commonly used between the output of reductor 11a and the rotating disc 4, like the band transmission.
Preferably, like Fig. 1 and shown in Figure 5, each installing port inside can be provided with one or more guide rails 13, as being located at four guide rails 13 on two sidewalls of installing port respectively; Correspondingly, annex head side is provided with the gathering sill of equal number, through cooperating of gathering sill and guide rail 13, can with the annex head steadily safety put into installing port, and can carry out axial restraint to the annex head.More preferably, each installing port side can be provided with cylinder 14, can be provided with mobilizable alignment pin 14a in the through hole on the installing port sidewall; After the annex head was put into installing port, the piston rod that cylinder 14 is connected with alignment pin 14a through the air pressure promotion headed into alignment pin 14a in the corresponding pin-and-hole in annex head side, realizes the radial location to the annex head, so that the annex head is completely fixed.Further preferably; The position that can on rotating disc 4 perisporiums, close on each installing port is provided with gas blow pipe 15; So that when changing the annex head, can the residual iron filings in its side gathering sill be blown off, avoid to install or to damage annex head phenomenon because of iron filings cause the annex head; The quantity of gas blow pipe 15 can be corresponding with the quantity of guide rail 13; For reinforced effects, each gas blow pipe 15 can be located along the same line to aim at the gathering sill of annex head with guide rail 13, and is as shown in Figure 1; Each installing port can correspondence be provided with four gas blow pipes 15, and is corresponding with four guide rails respectively.
Preferably; In order to be air feed in gas blow pipe 15 and the cylinder 14, can be in main backstop 3a or other positions, on balladeur train 2 or base 1; Be provided for being that gas blow pipe 15 and cylinder 14 carry the pneumatic operated valve 12 of gases, this pneumatic operated valve 12 is connected with pneumatic means on the Digit Control Machine Tool; Like Fig. 4-shown in Figure 6; Can be at axle 5 set inside breather lines 51; And the breather line 41 that all is communicated with gas blow pipe 15 and cylinder 14 is set in rotating disc 4, this breather line 51 is communicated with (air-flow gathering sill 17 also be a kind of breather line) through the endoporus that is arranged on rotating disc 4 with the air-flow gathering sill 17 of the cooperation place of axle 5 with breather line 41; Gas in the pneumatic operated valve 12 gets into breather line 51 by the end of axle 5; Be delivered to the endoporus of rotating disc 4 and the air-flow gathering sill 17 of the cooperation place of axle 5 through breather line 51; Enter into the breather line 41 of rotating disc 4 again through air-flow gathering sill 17, arrive each installing port place cylinder 14 and gas blow pipe 15 at last.Air-flow gathering sill 17, breather line 51 can be according to concrete needs settings with the quantity of breather line 41.Like Fig. 4-shown in Figure 6, air-flow gathering sill 17 is 9, and correspondingly, breather line 51 all is set to 9 with breather line 41.
Preferably; Closing on each installing port place is fixed with near switch 16; Near fix on switch 16 and the main backstop 3a near switch actuating the time, motor 11 quits work, assurance rotating disc 4 can accurately stop at the position of the installation accessories head of wanting; Realize the accurate location of annex head, improved the automaticity that the annex head is installed.
Preferably, in order to realize the automatic control of motor 10,11 and pneumatic operated valve 12, machine tool control system can comprise:
Be used for sending to second motor apparatus (like motor 10) first control module of first control information, first control information is used to trigger second motor apparatus (like motor 10) driving balladeur train 2 and slides to the machine tooling zone; Second motor apparatus quits work when balladeur train 2 slides to the machine tooling zone according to the preset number of turns of rotating automatically; Perhaps slide to the control information that stops that machine tooling when zone send at balladeur train 2, quit work according to first control module;
During concrete operations; Can be according to the initial position of preset balladeur train 2 and the pitch of distance between the machine tooling zone and leading screw 8, the rotating speed of motor 10; Confirm that balladeur train 2 slides to the rotation number of turns of machine tooling zone required motor 10, preset being somebody's turn to do rotated the number of turns in motor 10 in advance, when the motor 10 rotation number of turns reach above-mentioned quantity; Confirm that balladeur train 2 slides to the machine tooling zone, motor 10 quits work automatically; Certainly, modes such as travel switch, grating chi can also be set on base 1, confirm the sliding distance of balladeur train 2; When balladeur train 2 slided to the machine tooling zone, first control module sent to motor 10 and stops control information, is used to control motor 10 and quits work;
Be used for when balladeur train 2 slides to the machine tooling zone, sending second control module of second control information to first motor apparatus (like motor 11), second control information is used to trigger first motor apparatus (like motor 11) work; Second control module can be triggered by first control information, or starts simultaneously with first control module;
The 3rd control module that is electrically connected with pneumatic operated valve 12; Be used for when the main shaft of Digit Control Machine Tool unclamps; Send the 3rd control information to pneumatic operated valve 12; The 3rd control information is used for pushing against the annex head through the piston rod promotion alignment pin 14a of pneumatic operated valve 12 control cylinders 14, is the rodless cavity conveying gas of cylinder 14 like pneumatic operated valve 12, to promote piston rod; And when the main shaft clamp fitting head of Digit Control Machine Tool; Send the 4th control information to pneumatic operated valve 12; The 4th control information is used for leaving the annex head through the piston rod drive alignment pin 14a of pneumatic operated valve 12 control cylinders 14, is the rod chamber conveying gas of cylinder 14 like pneumatic operated valve 12, to promote piston rod; The 3rd control information and the 4th control information are triggered by the main shaft control information, and when the main shaft blind rivet unclamped, the 3rd control information control cylinder 14 promoted alignment pin 14a and pushes against; When the main shaft blind rivet clamped, alignment pin 14a extracted.
The operation principle of above-mentioned library structure is following: when needs installation accessories head, machine tool control system is sent first control information to motor 10, and motor 10 drives balladeur train 2 and laterally moves along base 1, and driven rotary dish 4 gets into the machine tooling zone; When rotating disc 4 got into the machine tooling zone, motor 10 quit work according to preestablishing, so that balladeur train 2 is positioned at the machine tooling zone; When rotating disc 4 got into the machine toolings zone, machine tool control system was sent second control information to motor 11,4 rotations of motor 11 driven in rotation dishes, during to required annex head position accordingly near switch conduction, 11 stalls of control motor, thus rotating disc 4 stops; Then, machine tool chief axis moves to rotating disc 4 rears and aims at annex head center, and longitudinal translation and annex head installed surface are fitted, and accomplishes the annex head through blind rivet and installs; The 4th control information subsequently is triggered, and cylinder 14 drives alignment pin 14a and withdraws from pin-and-hole.After the installation, main shaft is displaced sideways, and withdraws from the installing port of rotating disc 4, gets back to Working position; Balladeur train 2 driven rotary dishes 4 oppositely move, and shift out the machine tooling zone and do not influence machine tooling.When needs unloaded the annex head, machine tool control system was sent first control information, and balladeur train 2 driven rotary dishes 4 laterally move to the machine tooling zone, and rotating disc turns to the relevant position.Then, machine tool chief axis moves to the installing port side, and control annex head side gathering sill aligns with the interior guide rail 13 of installing port; Gas blow pipe 15 begins to blow, and the main shaft lateral translation is steadily put the annex head into installing port simultaneously, and main shaft unclamps blind rivet, and cylinder 14 promotes alignment pin 14a and heads in the annex head side surface pin-hole, and this moment, the annex head was completely fixed.Main shaft return back to machining area; Balladeur train 2 moves rotating disc 4 is with a machining area of disembarking simultaneously.
The utility model respectively installs among the embodiment annex head is installed on the installing port on the rotating disc perisporium, and rotating disc can pivot and along with balladeur train laterally moves along base, can realize carrying annex head and installation, and has effectively practiced thrift a storehouse and take up room; Preferably, adopt two motors, and machine tool control system realized annex head automatic replacement and automatic transport function to the control of two motors, further preferably,, realized the whole-course automation that annex changes first watch through control to cylinder and alignment pin.
More than be merely the preferred embodiment of the utility model, or not all within the spirit and principle of the utility model in order to restriction the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (16)
1. accessory joint storage structure comprises: be fixed on base (1) on the basis, with the balladeur train (2) that said base (1) is slidingly connected, it is characterized in that, also comprise: bracing frame (3), rotating disc (4), axle (5);
Support frame as described above (3) is fixed on the said balladeur train (2); Said axle (5) is fixedly connected with support frame as described above (3);
Said rotating disc (4) is provided with endoporus, and is located on the said axle (5) through said inner hole sleeve, and can be around said axle (5) rotation; The perisporium of said rotating disc (4) has the installing port that at least one is used to place the annex head.
2. a library structure according to claim 1 is characterized in that, also comprises: be used to drive first motor apparatus of said rotating disc (4) around said axle (5) rotation; Said first motor apparatus and said rotating disc (4) are in transmission connection.
3. a library structure according to claim 2; It is characterized in that; Said first motor apparatus comprises first motor (11) and the reductor (11a) that is arranged on the support frame as described above (3); Said reductor (11a) is connected with the output of said first motor (11), and the output of said reductor (11a) and said rotating disc (4) are in transmission connection.
4. a library structure according to claim 3 is characterized in that, the output of said reductor (11a) is in transmission connection with said rotating disc (4) through gear shaft (7) and gear (6);
Said gear (6) is installed on the said rotating disc (4); Said gear shaft (7) is fixed on the output of said reductor (11a); Said gear (6) and said gear shaft (7) engagement.
5. a library structure according to claim 2 is characterized in that, also comprises: be used to drive said balladeur train (2) and go up second motor apparatus that slides at said base (1); Said second motor apparatus and said balladeur train (2) are in transmission connection.
6. a library structure according to claim 5 is characterized in that, also comprises the leading screw (8) that is arranged on the said base (1), and said second motor apparatus is in transmission connection through said leading screw (8) and said balladeur train (2).
7. require each described library structure among the 1-6 according to aforesaid right, it is characterized in that the sidewall of said installing port is provided with guide rail (13), the gathering sill mating reaction on said guide rail (13) and the annex head, axial restraint annex head.
8. a library structure according to claim 7 is characterized in that, also comprises:
Be used for the gathering sill on the annex head is carried the gas blow pipe (15) of gas, said gas blow pipe (15) is arranged on the position of closing on said installing port on said rotating disc (4) perisporium; Or/and
Be used for the annex head is carried out the alignment pin (14a) and the cylinder (14) of radial location; Said cylinder (14) is arranged in the hole on the said installing port sidewall, and the piston rod of said cylinder (14) is connected with said alignment pin (14a).
9. a library structure according to claim 8 is characterized in that, is provided with first breather line in the said axle (5); Be provided with second breather line that is communicated with said first breather line in the said rotating disc (4), said second breather line also is communicated with said gas blow pipe (15) or/and said cylinder (14).
10. a library structure according to claim 9 is characterized in that, also comprises: the pneumatic operated valve (12) that is used for the gas of the pneumatic means of Digit Control Machine Tool is delivered to said first breather line; Said pneumatic operated valve (12) is arranged on the support frame as described above (3).
11. require each described library structure among the 2-6 according to aforesaid right; It is characterized in that; Also comprise be used for when each other triggering, controlling said first motor apparatus out-of-work first near switch (16) with second near switch, said first is provided with the position of closing on said installing port on the said rotating disc (4) near switch (16); Said second is arranged on the support frame as described above (3) near switch.
12. a Digit Control Machine Tool is characterized in that, comprises like each described library structure among the above-mentioned claim 1-11.
13. a Digit Control Machine Tool comprises machine tool control system, it is characterized in that, also comprises like each described library structure among the above-mentioned claim 8-11.
14. Digit Control Machine Tool according to claim 13 is characterized in that, said machine tool control system comprises:
Be used for sending to said second motor apparatus first control module of first control information, said first control information is used to trigger said second motor apparatus and drives said balladeur train (2) and slide to the machine tooling zone;
Said second motor apparatus quits work when said balladeur train (2) slides to the machine tooling zone according to the preset number of turns of rotating automatically; Perhaps slide to the control information that stops that machine tooling when zone send at said balladeur train (2), quit work according to said first control module.
15., it is characterized in that said machine tool control system also comprises according to claim 13 or 14 described Digit Control Machine Tools:
Be used for when said balladeur train (2) slides to the machine tooling zone, sending second control module of second control information to said first motor apparatus, said second control information is used to trigger the said first motor apparatus work.
16. Digit Control Machine Tool according to claim 15 is characterized in that, said machine tool control system also comprises: the 3rd control module that is electrically connected with said pneumatic operated valve (12);
Said the 3rd control module is used for when the main shaft of Digit Control Machine Tool unclamps; Send the 3rd control information to said pneumatic operated valve (12), said the 3rd control information is used for promoting said alignment pin (14a) through the piston rod that said pneumatic operated valve (12) is controlled said cylinder (14) and pushes against the annex head; And when the main shaft clamp fitting head of Digit Control Machine Tool; Send the 4th control information to said pneumatic operated valve (12), said the 4th control information is used for driving said alignment pin (14a) through the piston rod that said pneumatic operated valve (12) is controlled said cylinder (14) and leaves the annex head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203639926U CN202411925U (en) | 2011-09-26 | 2011-09-26 | Accessory head library structure and numerical control machine tool provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203639926U CN202411925U (en) | 2011-09-26 | 2011-09-26 | Accessory head library structure and numerical control machine tool provided with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411925U true CN202411925U (en) | 2012-09-05 |
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ID=46736719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203639926U Expired - Fee Related CN202411925U (en) | 2011-09-26 | 2011-09-26 | Accessory head library structure and numerical control machine tool provided with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411925U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357827A (en) * | 2011-09-26 | 2012-02-22 | 上海三一精机有限公司 | Accessory head bank structure and numerical control machine with same |
| CN103659397A (en) * | 2013-12-09 | 2014-03-26 | 宁波海天精工股份有限公司 | Rotating head library for accessory head |
| CN109773542A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Machine tool transmission system |
-
2011
- 2011-09-26 CN CN2011203639926U patent/CN202411925U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102357827A (en) * | 2011-09-26 | 2012-02-22 | 上海三一精机有限公司 | Accessory head bank structure and numerical control machine with same |
| CN103659397A (en) * | 2013-12-09 | 2014-03-26 | 宁波海天精工股份有限公司 | Rotating head library for accessory head |
| CN109773542A (en) * | 2018-12-25 | 2019-05-21 | 陕西科技大学 | Machine tool transmission system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120905 Termination date: 20140926 |
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| EXPY | Termination of patent right or utility model |