CN108000216B - Automatic machine tool for pause-and-pause type machining - Google Patents
Automatic machine tool for pause-and-pause type machining Download PDFInfo
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- CN108000216B CN108000216B CN201711358881.4A CN201711358881A CN108000216B CN 108000216 B CN108000216 B CN 108000216B CN 201711358881 A CN201711358881 A CN 201711358881A CN 108000216 B CN108000216 B CN 108000216B
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- 238000003754 machining Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 8
- 210000000078 claw Anatomy 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 230000008569 process Effects 0.000 description 12
- 230000009471 action Effects 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 3
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
Abstract
The invention provides an automatic machine tool for pause-type machining, which comprises a rack, a feeding mechanism and a driving mechanism, wherein the rack is provided with a feeding hole; the driving mechanism comprises a transmission shaft, a cam sleeve, a first guide cam, a second guide cam, a guide bracket and a guide rod; the cam sleeve is sleeved on the transmission shaft and comprises a first guide cam mounting ring groove, a guide rod movable ring groove and a second guide cam mounting ring groove which are sequentially arranged; a Z-shaped guide path is formed in the guide rod movable ring groove; the fixed end of the guide rod is hinged on the guide bracket, the movable end of the guide rod comprises a vertical shifting fork end shaft, and the shifting fork end shaft extends downwards into the guide rod movable ring groove; when the transmission shaft rotates, the guide rod moves circumferentially in a reciprocating manner on the Z-shaped guide path of the guide rod movable ring groove, so that the transmission shaft generates circumferential pause when rotating. The invention provides an automatic machine tool for pause-and-pause type machining, which can realize pause-and-pause type machining procedures and match with feeding procedures without human participation.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to an automatic machine tool for pause-type machining.
Background
An automatic lathe is an automatic device for processing workpieces, and generally takes a numerical control machine as a main part. Because of the high machining precision and high machining efficiency, the automatic lathe is favored.
In the traditional process, the processing of the bullet model workpiece still stays at a semi-automatic level. Especially, the process of feeding bullet model workpieces requires human intervention. In fact, because the conventional machining process is continuous, and the feeding process of the bullet model workpiece is intermittent, the two connected processes are difficult to automatically match. Therefore, the process of loading requires human intervention.
Disclosure of Invention
In order to solve the technical problems, the invention provides an automatic machine tool for pause-pause type machining, which can realize pause-pause type machining procedures and match with feeding procedures without human participation.
In order to achieve the purpose, the invention provides the following technical scheme:
a kind of pause-and-pause type processed automatic lathe, including the stander, feed mechanism locating on said stander, and locate on said stander and drive mechanism of the said feed mechanism of transmission connection;
the driving mechanism comprises a transmission shaft, a cam sleeve, a first guide cam, a second guide cam, a guide bracket and a guide rod;
the transmission shaft is horizontally arranged on the rack and is in transmission connection with the feeding mechanism;
the cam sleeve is sleeved on the transmission shaft and comprises a first guide cam mounting ring groove, a guide rod movable ring groove and a second guide cam mounting ring groove which are sequentially arranged along the axial direction of the cam sleeve; the first guide cam is arc-shaped and flaky, the first guide cam is installed in the first guide cam installation ring groove, and the protruding end part of the first guide cam extends into the guide rod movable ring groove; the second guide cam is arc-shaped and flaky, the second guide cam is installed in the second guide cam installation ring groove, and the protruding end part of the second guide cam extends into the guide rod movable ring groove; the first guide cam and the second guide cam are close to each other in the circumferential direction of the cam sleeve and are staggered from each other in the axial direction of the cam sleeve, so that a Z-shaped guide path is formed in the guide rod movable ring groove;
the guide bracket is erected on the frame;
the fixed end of the guide rod is hinged to the guide support, the movable end of the guide rod transversely extends to the position above the guide rod movable ring groove, the movable end of the guide rod comprises a vertical shifting fork end shaft, and the shifting fork end shaft downwardly extends into the guide rod movable ring groove;
when the transmission shaft rotates, the guide rod makes reciprocating circumferential motion on a Z-shaped guide path of the guide rod movable ring groove, so that the transmission shaft generates circumferential pause when rotating.
As an implementation mode, the driving mechanism further comprises a motor, a driving gear and a driven gear;
the motor is horizontally arranged on the frame;
the driving gear is sleeved on a rotating shaft of the motor;
the driven gear is sleeved on the transmission shaft and meshed with the driving gear.
As an embodiment, the driving mechanism further comprises a first bearing seat and a second bearing seat;
the first bearing seat and the second bearing seat are sleeved on the transmission shaft and respectively close to two ends of the transmission shaft, wherein the second bearing seat is installed on the guide support.
As an embodiment, the driving mechanism further comprises a transition pressing sleeve, a fastening nut and a flat key;
the transition pressing sleeve is sleeved on the transmission shaft and abuts against the second bearing seat, and the transition pressing sleeve provides end limiting for the first guide cam mounting ring groove of the cam sleeve;
the fastening nut is sleeved on the transmission shaft and is positioned at the end part of the transmission shaft, and the fastening nut provides the end part limit where the second guide cam mounting ring groove of the cam sleeve is positioned;
the flat key is arranged on the surface of the transmission shaft along the axial direction of the transmission shaft and is positioned between the transition pressing sleeve and the fastening nut and is also positioned between the transmission shaft and the cam sleeve.
As an implementation mode, the feeding mechanism comprises a chuck, a rotating shaft, a hopper, a movable claw, a movable opening claw, a charging cam and a cartridge clip;
the chuck and the rotating shaft are both horizontally arranged on the rack;
the hopper comprises a fan-shaped hopper split body, a rod-shaped hopper split body extending along the radial direction of the fan-shaped hopper split body and an opening which is arranged at one side end part of the periphery of the fan-shaped hopper split body and is positioned in the extending direction of the rod-shaped hopper split body, and the joint of the fan-shaped hopper split body and the rod-shaped hopper split body is arranged on the rotating shaft;
the movable grab is arranged on the rotating shaft and forms a limiting shelter for the opening in the radial direction of the fan-shaped hopper split body and the axial direction of the fan-shaped hopper split body respectively; the movable opening is arranged on the fan-shaped hopper split body in a grabbing mode, and a limiting shield for the opening is formed in the circumferential direction of the fan-shaped hopper split body; the limiting shield formed between the movable grab and the movable opening grab enables the opening to be opened only towards the position of the chuck;
the charging cam is arranged on the transmission shaft and is positioned below the rod-shaped hopper split body;
the cartridge clip is arranged on the rack and is positioned below the fan-shaped hopper split body.
As an implementation mode, the movable catch comprises an arc-shaped connecting split body and a limiting shielding split body;
the arc-shaped connection split body is arranged on the outer side of the fan-shaped hopper split body, one end of the arc-shaped connection split body is arranged on the rotating shaft, and the other end of the arc-shaped connection split body extends towards the periphery of the fan-shaped hopper split body and protrudes relative to the periphery of the fan-shaped hopper split body;
the limiting shielding split body is arranged at one end of the arc-shaped connecting split body, which protrudes relative to the periphery of the fan-shaped hopper split body;
the limiting shielding split bodies form limiting shielding for the openings in the radial direction of the fan-shaped hopper split bodies, and the arc-shaped connecting split bodies form limiting shielding for the openings in the axial direction of the fan-shaped hopper split bodies.
As an implementation mode, the movable opening grab comprises a first movable side split body, a second movable side split body and a connecting split body, wherein the first movable side split body is opposite to the second movable side split body in position, and the first movable side split body and the second movable side split body are connected through the connecting split body;
the fan-shaped hopper is characterized in that a first through hole is formed in the first movable side split body, a second through hole is formed in the second movable side split body, the first movable side split body and the second movable side split body are sleeved on the two sides of the opening through the first through hole and the second through hole respectively, the first movable side split body is located on one side of the fan-shaped hopper split body, and the second movable side split body is located on the other side of the fan-shaped hopper split body.
As an implementation mode, the feeding mechanism further comprises a first bearing and a second bearing which are arranged on the rotating shaft;
the hopper is arranged on the rotating shaft through the first bearing and the second bearing.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides an automatic machine tool for pause-and-pause type processing.A Z-shaped guide path is arranged on a cam sleeve, so that when a transmission shaft rotates, a guide rod reciprocates circumferentially on the Z-shaped guide path of a guide rod movable ring groove, and further the transmission shaft generates pause and pause in the circumferential direction when rotating. Thereby matching with the feeding process without human participation.
Drawings
Fig. 1 is a first perspective view of an automated machine tool for interrupted machining according to an embodiment of the present invention;
fig. 2 is a second perspective view of an automated machine tool for setback machining according to an embodiment of the present invention;
FIG. 3 is an enlarged view of the layout of the automated machine tool of the setback type machining provided in FIG. 2;
fig. 4 is a third perspective view of an automated machine tool for interrupted machining according to an embodiment of the present invention;
fig. 5 is a fourth perspective view of an automated machine tool for setback machining according to an embodiment of the present invention;
fig. 6 is a fifth perspective view of an automatic machine tool for pause-type machining according to an embodiment of the present invention.
In the figure: 1. a frame; 2. a feeding mechanism; 21. a chuck; 22. a rotating shaft; 23. a hopper; 231. the fan-shaped hopper is split; 232. the rod-shaped hopper is split; 233. an opening; 24. a movable claw; 241. the arc-shaped connection split bodies; 242. limiting and shielding the split bodies; 25. a movable open grab; 251. the first movable side is split; 252. the second movable side is split; 253. connecting the split bodies; 254. a first through hole; 255. a second through hole; 26. a charging cam; 27. a cartridge clip; 28. a first bearing; 29. a second bearing; 3. a drive mechanism; 31. a drive shaft; 32. a cam sleeve; 321. a first guide cam mounting ring groove; 322. a guide rod movable ring groove; 323. a second guide cam mounting ring groove; 33. a first guide cam; 34. a second guide cam; 35. a guide bracket; 36. a guide bar; 361. a shift fork end shaft; 37. a motor; 38. a driving gear; 39. a driven gear; 310. a transition compression sleeve; 311. fastening a nut; 312. a flat bond; 313. a first bearing housing; 314. and a second bearing seat.
Detailed Description
The above and further features and advantages of the present invention will be apparent from the following, complete description of the invention, taken in conjunction with the accompanying drawings, wherein the described embodiments are merely some, but not all embodiments of the invention.
Referring to fig. 1, the present embodiment provides a setback type automatic machine tool, which includes a machine frame 1, a feeding mechanism 2 disposed on the machine frame 1, and a driving mechanism 3 disposed on the machine frame 1 and connected to the feeding mechanism 2 in a transmission manner.
Referring to fig. 2, in the present embodiment, the driving mechanism 3 includes a transmission shaft 31, a cam sleeve 32, a first guide cam 33, a second guide cam 34, a guide bracket 35, and a guide rod 36; the transmission shaft 31 is horizontally arranged on the machine frame 1 and is in transmission connection with the feeding mechanism 2, and the guide bracket 35 is vertically arranged on the machine frame 1; the fixed end of the guide rod 36 is hinged on the guide bracket 35, the movable end of the guide rod 36 transversely extends to the upper part of the guide rod movable ring groove 322, the movable end of the guide rod 36 comprises a vertical shifting fork end shaft 361, and the shifting fork end shaft 361 downwards extends into the guide rod movable ring groove 322.
Referring to fig. 3, in the pause-stop type automatic machine tool according to the present embodiment, the cam sleeve 32 is sleeved on the transmission shaft 31, and the cam sleeve 32 includes a first guide cam 33 mounting ring groove 321, a guide rod moving ring groove 322, and a second guide cam 34 mounting ring groove 323 sequentially arranged along the axial direction thereof; the first guide cam 33 is arc-shaped and flaky, the first guide cam 33 is installed in the installation ring groove 321 of the first guide cam 33, and the protruding end part of the first guide cam 33 extends into the guide rod movable ring groove 322; the second guide cam 34 is arc-shaped and flaky, the second guide cam 34 is installed in the installation annular groove 323 of the second guide cam 34, and the convex end part of the second guide cam 34 extends into the guide rod movable annular groove 322; the first guide cam 33 and the second guide cam 34 are close to each other in the circumferential direction of the cam sleeve 32 and are offset from each other in the axial direction of the cam sleeve 32, so that a "Z" -shaped guide path is formed in the guide-rod-moving-ring groove 322; when the transmission shaft 31 rotates, the guide rod 36 reciprocates circumferentially on the "Z" shaped guide path of the guide rod movable ring groove 322, so that the transmission shaft 31 generates a circumferential pause during rotation.
In this embodiment, when the automatic machine tool for the pause-type machining works, the transmission shaft 31 rotates to drive the cam sleeve 32, the first guide cam 33, and the second guide cam 34. Accordingly, the fixing bracket 35 can be moved relative to the guide bar moving groove 322. And a "Z" shaped guide path is formed in the guide bar moving groove 322 due to the arrangement of the first and second guide cams 33 and 34. So that the guide bar 36 reciprocates circumferentially on the "Z" -shaped guide path of the guide bar moving groove 322 as the drive shaft 31 rotates, and the guide bar 36 undergoes one reciprocating circumferential motion every one rotation of the drive shaft 31. It should be noted that the guide rod 36 is reciprocated circumferentially about its hinge axis with the guide bracket 35. And the guide rod 36 brings resistance to the transmission shaft 31 in the process of reciprocating circumferential motion, so that the transmission shaft 31 generates pause in the circumferential direction when rotating. Thereby matching with the feeding process without human participation.
Referring to fig. 2, in one embodiment, the drive mechanism 3 further includes a motor 37, a drive gear 38, and a driven gear 39; the motor 37 is horizontally arranged on the frame 1; the driving gear 38 is sleeved on the rotating shaft 22 of the motor 37; the driven gear 39 is fitted over the drive shaft 31 and is in mesh with the drive gear 38.
In this embodiment, the drive shaft 31 is driven to rotate by a gear train formed by a drive gear 38 and a driven gear 39, which is powered by a motor 37 lying on the frame 1.
Referring to fig. 2 and 4, in one embodiment, the drive mechanism 3 further comprises a first bearing housing 313 and a second bearing housing 314; the first bearing housing 313 and the second bearing housing 314 are both fitted over the driving shaft 31 and are respectively adjacent to both ends of the driving shaft 31, wherein the second bearing housing 314 is mounted on the guide bracket 35.
In this embodiment, the transmission shaft 31 is fixed by the first bearing seat 313 and the second bearing seat 314, and the second bearing seat 314 is disposed on the guide bracket 35, so that the end of the transmission shaft 31 is close to the guide rod 36, which is beneficial for the shaft 361 of the fork-pulling end to extend into the guide rod movable ring groove 322. In the above arrangement, the fitting distance between the fork end shaft 361 and the guide rod movable ring groove 322 is shortened, and the fitting between the two is more stable.
Referring to fig. 4, in one embodiment, the drive mechanism 3 further includes a transition compression sleeve 310, a fastening nut 311, and a flat key 312; the transition pressing sleeve 310 is sleeved on the transmission shaft 31 and abuts against the second bearing seat 314, and the transition pressing sleeve 310 provides an end limit for the first guide cam 33 of the cam sleeve 32 where the mounting ring groove 321 is located; the fastening nut 311 is sleeved on the transmission shaft 31 and is positioned at the end part of the transmission shaft 31, and the fastening nut 311 provides a limit for the end part where the second guide cam 34 installation ring groove 323 of the cam sleeve 32 is positioned; the flat key 312 is provided on the surface of the drive shaft 31 in the axial direction of the drive shaft 31, and is located between the transition pressing bush 310 and the fastening nut 311, and is also located between the drive shaft 31 and the cam bush 32.
In this embodiment, a means of attachment for the cam sleeve 32 is provided. During installation, the transition pressing sleeve 310 is firstly sleeved on the transmission shaft 31 to abut against the second bearing seat 314. And then the cam sleeve 32 is sleeved on the transmission shaft 31, so that the end part of the cam sleeve abuts against the transitional pressing sleeve 310, and therefore limiting is achieved. The fastening nut 311 is then fitted over the end of the drive shaft 31 against the other end of the cam sleeve 32. Thereby mounting the cam sleeve 32. In which a flat key 312 provided on the drive shaft 31 can tightly fix the cam sleeve 32 to the drive shaft 31.
Referring to fig. 5, in one embodiment, the feed mechanism 2 includes a collet 21, a rotary shaft 22, a hopper 23, a movable gripper 24, a movable open gripper 25, a charging cam 26, and a cartridge holder 27; the chuck 21 and the spindle 22 are both horizontally placed on the frame 1. Referring to fig. 6, the hopper 23 includes a fan-shaped hopper division body 231, a rod-shaped hopper division body 232 extending in a radial direction of the fan-shaped hopper division body 231, and an opening 233 provided at one side end portion of a peripheral edge of the fan-shaped hopper division body 231 and located in an extending direction of the rod-shaped hopper division body 232, and a joint of the fan-shaped hopper division body 231 and the rod-shaped hopper division body 232 is provided on the rotation shaft 22; the movable grab 24 is arranged on the rotating shaft 22 and forms a limiting shelter for the opening 233 in the radial direction of the fan-shaped hopper split body 231 and the axial direction of the fan-shaped hopper split body 231 respectively; the movable opening grab 25 is arranged on the fan-shaped hopper split body 231, and a limiting shield for the opening 233 is formed in the circumferential direction of the fan-shaped hopper split body 231; wherein, the limiting shelter formed between the movable grab 24 and the movable opening grab 25 enables the opening 233 to be opened only towards the position of the chuck 21; the charging cam 26 is arranged on the transmission shaft 31 and is positioned below the rod-shaped hopper split body 232; the cartridge clip 27 is provided on the frame 1 and located below the sectoral hopper split 231.
In the embodiment, the automatic processing of the bullet model workpiece can be realized, and the whole process does not need manual participation. Specifically, the charging cam 26 follows the rotation of the transmission shaft 31, so that the hopper 23 can be rotated back and forth circumferentially around the rotation shaft 22, and since the cartridge holder 27 is provided on the circumferential rotation path of the hopper 23. The workpiece in the magazine 27 can be loaded at every rotation cycle of the loading cam 26. More specifically, in one rotation cycle of the charging cam 26, the movable opening catch 25 first releases the limit shield of the opening 233 in the circumferential direction of the sectorial hopper split body 231, so that the opening 233 is opened in the circumferential direction of the sectorial hopper split body 231; then, the movable opening catch 25 is reset by a tension spring (not shown), and forms a limit shield for the opening 233 in the circumferential direction of the fan-shaped hopper split body 231, so that the opening 233 is not opened in the circumferential direction of the fan-shaped hopper split body 231. The above two actions are generated in the opening 233 of the magazine 27, and therefore, the work in the magazine 27 can be held in the opening 233, and automatic feeding of the bullet model work can be realized. Thereafter, since the opening 233 is opened only to the position where the collet 21 is located by the stopper formed between the movable gripper 24 and the movable open gripper 25, the bullet model workpiece in the opening 233 is gripped by the collet 21 and processed. Therefore, the automatic processing of the bullet model workpiece can be realized, and the whole process does not need manual participation.
Referring to fig. 6, in one embodiment, the moveable grip 24 includes an arcuate connecting split 241 and a limiting shield split 242; the arc-shaped connection split body 241 is arranged at the outer side of the fan-shaped hopper split body 231, one end of the arc-shaped connection split body 241 is arranged on the rotating shaft 22, and the other end of the arc-shaped connection split body 241 extends towards the periphery of the fan-shaped hopper split body 231 and protrudes relative to the periphery of the fan-shaped hopper split body 231; the limiting and shielding split body 242 is arranged at one end of the arc-shaped connecting split body 241, which protrudes relative to the periphery of the fan-shaped hopper split body 231; the limiting shielding sub-body 242 forms a limiting shielding for the opening 233 in the radial direction of the fan-shaped hopper sub-body 231, and the arc-shaped connecting sub-body 241 forms a limiting shielding for the opening 233 in the axial direction of the fan-shaped hopper sub-body 231.
In this embodiment, the movable claw 24 includes an arc-shaped connecting split body 241 capable of rotating circumferentially around the rotating shaft 22, so as to drive the limiting and shielding split body 242 to rotate circumferentially around the rotating shaft 22. In the process of circumferential rotation of the fan-shaped hopper body and the hopper body, the limit shield split body 242 forms a limit shield for the opening 233 in the radial direction of the fan-shaped hopper body 231 or releases the limit shield for the opening 233 in the radial direction of the fan-shaped hopper body 231, and the arc-shaped connection split body 241 forms a limit shield for the opening 233 in the axial direction of the fan-shaped hopper body 231 or releases the limit shield for the opening 233 in the axial direction of the fan-shaped hopper body 231.
Referring to fig. 6, in one embodiment, the movable split claw 25 includes a first movable side split body 251, a second movable side split body 252, and a connecting split body 253, the first movable side split body 251 and the second movable side split body 252 are located opposite to each other and connected by the connecting split body 253; the first movable side split body 251 is provided with a first through hole 254, the second movable side split body 252 is provided with a second through hole 255, the first movable side split body 251 and the second movable side split body 252 are respectively sleeved near two sides of the opening 233 through the first through hole 254 and the second through hole 255, wherein the first movable side split body 251 is located on one side of the fan-shaped hopper split body 231, and the second movable side split body 252 is located on the other side of the fan-shaped hopper split body 231.
In this embodiment, in one rotation cycle of the charging cam 26, the movable opening catch 25 first releases the limit shield of the opening 233 in the circumferential direction of the fan-shaped hopper split body 231, so that the opening 233 is opened in the circumferential direction of the fan-shaped hopper split body 231; then, the movable opening claw 25 is reset under the action of the tension spring, and forms a limit shield for the opening 233 in the circumferential direction of the fan-shaped hopper split body 231, so that the opening 233 is not opened in the circumferential direction of the fan-shaped hopper split body 231. The work in the magazine 27 can be smoothly held and fixed in the opening 233 from the opening 233 being opened by the movable open gripper 25 to the opening 233 being not opened by the movable open gripper 25. The two actions of opening the opening 233 and not opening the opening 233 are generated at the opening 233 of the clip 27, so that automatic feeding of the bullet model workpiece can be realized.
Referring to fig. 6, in one embodiment, the feed mechanism 2 further includes a first bearing 28 and a second bearing 29 provided on the rotating shaft 22; the hopper 23 is provided on the rotary shaft 22 via a first bearing 28 and a second bearing 29.
In this embodiment, by providing the first bearing 28 and the second bearing 29 to form a double bearing structure, wherein one of the first bearing 28 and the second bearing 29 is a brake bearing, the jerk of the hopper 23 during the circumferential reciprocating rotation can be increased. Especially when the magazine 23 is rotated in a position near the magazine 27, a jerk is created in this position because automatic feeding of the bullet model pieces is required, which in fact cooperates with the magazine 27, because the magazine 27 is fed out one by one at the time of ejection of the bullet model pieces and a jerk is created in this process. A setback is created at this location of the clip 27 to facilitate gripping and securing the work piece within the clip 27 within the opening 233.
The above-mentioned embodiments are provided to further explain the objects, technical solutions and advantages of the present invention in detail, and it should be understood that the above-mentioned embodiments are only examples of the present invention and are not intended to limit the scope of the present invention. It should be understood that any modifications, equivalents, improvements and the like, which come within the spirit and principle of the invention, may occur to those skilled in the art and are intended to be included within the scope of the invention.
Claims (8)
1. A pause-and-pause type processing automatic machine tool is used for processing a bullet model workpiece and is characterized by comprising a rack (1), a feeding mechanism (2) arranged on the rack (1) and a driving mechanism (3) which is arranged on the rack (1) and is in transmission connection with the feeding mechanism (2);
the driving mechanism (3) comprises a transmission shaft (31), a cam sleeve (32), a first guide cam (33), a second guide cam (34), a guide bracket (35) and a guide rod (36);
the transmission shaft (31) is horizontally arranged on the rack (1) and is in transmission connection with the feeding mechanism (2);
the cam sleeve (32) is sleeved on the transmission shaft (31), and the cam sleeve (32) comprises a first guide cam mounting ring groove (321), a guide rod movable ring groove (322) and a second guide cam mounting ring groove (323) which are sequentially arranged along the axial direction of the cam sleeve; the first guide cam (33) is arc-shaped and flaky, the first guide cam (33) is installed in the first guide cam installation ring groove (321), and the protruding end part of the first guide cam (33) extends into the guide rod movable ring groove (322); the second guide cam (34) is arc-shaped and flaky, the second guide cam (34) is installed in the second guide cam installation ring groove (323), and the protruding end part of the second guide cam (34) extends into the guide rod movable ring groove (322); the first guide cam (33) and the second guide cam (34) are close to each other in the circumferential direction of the cam sleeve (32) and are staggered from each other in the axial direction of the cam sleeve (32), so that a Z-shaped guide path is formed in the guide rod movable ring groove (322);
the guide bracket (35) is erected on the frame (1);
the fixed end of the guide rod (36) is hinged to the guide bracket (35), the movable end of the guide rod (36) transversely extends to the position above the guide rod movable ring groove (322), the movable end of the guide rod (36) comprises a vertical shifting fork end shaft (361), and the shifting fork end shaft (361) downwards extends into the guide rod movable ring groove (322);
when the transmission shaft (31) rotates, the guide rod (36) reciprocates in the circumferential direction on a Z-shaped guide path of the guide rod movable ring groove (322), so that the transmission shaft (31) generates pause in the circumferential direction when rotating.
2. The setback machining automated machine of claim 1, wherein said drive mechanism (3) further comprises a motor (37), a drive gear (38), and a driven gear (39);
the motor (37) is horizontally arranged on the frame (1);
the driving gear (38) is sleeved on the rotating shaft (22) of the motor (37);
the driven gear (39) is sleeved on the transmission shaft (31) and meshed with the driving gear (38).
3. The setback machining automated machine tool of claim 1, wherein the drive mechanism (3) further comprises a first bearing block (313) and a second bearing block (314);
the first bearing seat (313) and the second bearing seat (314) are sleeved on the transmission shaft (31) and respectively close to two ends of the transmission shaft (31), wherein the second bearing seat (314) is installed on the guide bracket (35).
4. The setback machining automated machine tool of claim 3, wherein the drive mechanism (3) further comprises a transition compression sleeve (310), a fastening nut (311), and a flat key (312);
the transition pressing sleeve (310) is sleeved on the transmission shaft (31) and abuts against the second bearing seat (314), and the transition pressing sleeve (310) provides an end limit for the first guide cam mounting ring groove (321) of the cam sleeve (32);
the fastening nut (311) is sleeved on the transmission shaft (31) and is positioned at the end part of the transmission shaft (31), and the fastening nut (311) provides a limit position for the end part of the cam sleeve (32) where the second guide cam mounting ring groove (323) is positioned;
the flat key (312) is arranged on the surface of the transmission shaft (31) along the axial direction of the transmission shaft (31), is positioned between the transition pressing sleeve (310) and the fastening nut (311), and is also positioned between the transmission shaft (31) and the cam sleeve (32).
5. The setback machining automated machine tool of any of claims 1-4, wherein the feeding mechanism (2) comprises a collet (21), a spindle (22), a hopper (23), a movable gripper (24), a movable open gripper (25), a loading cam (26), and a cartridge gripper (27);
the chuck (21) and the rotating shaft (22) are horizontally arranged on the frame (1);
the hopper (23) comprises a fan-shaped hopper split body (231), a rod-shaped hopper split body (232) extending along the radial direction of the fan-shaped hopper split body (231), and an opening (233) which is arranged at one side end of the periphery of the fan-shaped hopper split body (231) and is positioned in the extending direction of the rod-shaped hopper split body (232), and the joint of the fan-shaped hopper split body (231) and the rod-shaped hopper split body (232) is arranged on the rotating shaft (22);
the movable grab (24) is arranged on the rotating shaft (22) and forms a limiting shield for the opening (233) in the radial direction of the fan-shaped hopper split body (231) and the axial direction of the fan-shaped hopper split body (231) respectively; the movable opening grab (25) is arranged on the fan-shaped hopper split body (231), and a limiting shield for the opening (233) is formed in the circumferential direction of the fan-shaped hopper split body (231); the limiting shield formed between the movable grab (24) and the movable opening grab (25) enables the opening (233) to be opened only towards the position of the chuck (21);
the charging cam (26) is arranged on the transmission shaft (31) and is positioned below the rod-shaped hopper split body (232);
the cartridge clip (27) is arranged on the frame (1) and is positioned below the fan-shaped hopper split body (231).
6. The setback type machining automated machine of claim 5, wherein the movable gripper (24) comprises an arc-shaped connection split (241) and a limit shield split (242);
the arc-shaped connecting split body (241) is arranged on the outer side of the fan-shaped hopper split body (231), one end of the arc-shaped connecting split body (241) is arranged on the rotating shaft (22), and the other end of the arc-shaped connecting split body (241) extends to the periphery of the fan-shaped hopper split body (231) and protrudes relative to the periphery of the fan-shaped hopper split body (231);
the limiting shielding split body (242) is arranged at one end, protruding relative to the periphery of the fan-shaped hopper split body (231), of the arc-shaped connecting split body (241);
the limiting and shielding split body (242) forms limiting and shielding for the opening (233) in the radial direction of the fan-shaped hopper split body (231), and the arc-shaped connecting split body (241) forms limiting and shielding for the opening (233) in the axial direction of the fan-shaped hopper split body (231).
7. The setback type machining automatic machine tool as claimed in claim 5, wherein the movable opening claw (25) comprises a first movable side splitting body (251), a second movable side splitting body (252) and a connecting splitting body (253), the position of the first movable side splitting body (251) is opposite to that of the second movable side splitting body (252), and the first movable side splitting body and the second movable side splitting body are connected through the connecting splitting body (253);
the fan-shaped hopper is characterized in that a first through hole (254) is formed in the first movable side split body (251), a second through hole (255) is formed in the second movable side split body (252), the first movable side split body (251) and the second movable side split body (252) are sleeved on the two sides of the opening (233) through the first through hole (254) and the second through hole (255) respectively, the first movable side split body (251) is located on one side of the fan-shaped hopper split body (231), and the second movable side split body (252) is located on the other side of the fan-shaped hopper split body (231).
8. The setback machining automated machine of claim 5, wherein the feed mechanism (2) further comprises a first bearing (28) and a second bearing (29) disposed on the spindle (22);
the hopper (23) is arranged on the rotating shaft (22) through the first bearing (28) and the second bearing (29).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711358881.4A CN108000216B (en) | 2017-12-17 | 2017-12-17 | Automatic machine tool for pause-and-pause type machining |
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| CN201711358881.4A CN108000216B (en) | 2017-12-17 | 2017-12-17 | Automatic machine tool for pause-and-pause type machining |
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| CN108000216B true CN108000216B (en) | 2020-11-17 |
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| JP2006298617A (en) * | 2005-04-22 | 2006-11-02 | Canon Machinery Inc | Workpiece gripping rotary device |
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Denomination of invention: An automatic machine tool for frustrating machining Effective date of registration: 20211222 Granted publication date: 20201117 Pledgee: Datang sub branch of Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: Zhuji Mingrui Knitting Co.,Ltd. Registration number: Y2021980015526 |
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