CN118123068A - Double-tool-rest numerical control lathe - Google Patents
Double-tool-rest numerical control lathe Download PDFInfo
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- CN118123068A CN118123068A CN202410304453.7A CN202410304453A CN118123068A CN 118123068 A CN118123068 A CN 118123068A CN 202410304453 A CN202410304453 A CN 202410304453A CN 118123068 A CN118123068 A CN 118123068A
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
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Abstract
The application discloses a double-tool-rest numerical control lathe which comprises a lathe body, wherein the lathe body is provided with a first main spindle box and a second main spindle box, and the axes of the first main spindle box and the second main spindle box are positioned on the same axis; the lathe bed is provided with a first tool rest at the rear side of the first main spindle box; the lathe bed is provided with a second tool rest at the rear side of the second main spindle box; the first spindle box is provided with a through cavity along the axis of the first spindle box; the feeding device is used for conveying the workpiece to the end part of the first spindle box through the cavity for clamping; the upper lathe bed comprises an upper lathe bed with an inclined upper surface, and the upper lathe bed gradually rises from front to back. Aiming at the defects existing in the prior art, the application provides the automatic machine with simple structure and reasonable design, which firstly improves the degree of automation and saves the manpower; secondly, the cost is low, and the operation and maintenance are relatively simple; third, less space is occupied.
Description
Technical Field
The invention relates to the technical field of machine tools, in particular to a double-tool-rest numerical control lathe.
Background
The double-spindle butt-joint numerical control lathe comprises a first spindle and a second spindle which are positioned on the same axis, wherein a first chuck connected with the first spindle can automatically loosen a workpiece, and a second chuck connected with the second spindle can automatically clamp and loosen the workpiece. Thus, after one end of the workpiece is processed by using the first main shaft, the second main shaft can automatically follow the processing, directly butt-joint and clamp the workpiece, and then the processing is performed. However, in the existing double-spindle butt-joint numerical control lathe, the first spindle is required to clamp a workpiece manually. This is because the cost of the numerically controlled lathe itself is relatively low compared to numerically controlled milling machines, particularly machining centers, and the use of a double-ended lathe is not well suited to the use of a robotic arm.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the automatic machine with simple structure and reasonable design, which firstly improves the degree of automation and saves the manpower; secondly, the cost is low, and the operation and maintenance are relatively simple; thirdly, a double-tool-rest numerical control lathe with less occupied space.
In order to achieve the above purpose, the invention provides a double-tool-rest numerical control lathe, which comprises a lathe bed, wherein the lathe bed is provided with a first main spindle box and a second main spindle box, and the axes of the first main spindle box and the second main spindle box are positioned on the same axis;
The machine body is provided with a first Z-axis feeding mechanism at the rear side of the first main spindle box, the first Z-axis feeding mechanism is connected with a first X-axis feeding mechanism, and the first X-axis feeding mechanism is connected with a first tool rest;
The lathe bed is provided with a second Z axial feeding mechanism at the rear side of the second main spindle box, the second Z axial feeding mechanism is connected with a second X axial feeding mechanism, and the second X axial feeding mechanism is connected with a second tool rest;
The lathe bed is provided with a third Z axial feeding mechanism at the front side of the second Z axial feeding mechanism, and the third Z axial feeding mechanism is connected with the second spindle box;
The first spindle box is provided with a through cavity along the axis of the first spindle box;
The feeding device is used for conveying the workpiece to the end part of the first spindle box to be clamped through the cavity.
Further, the upper lathe bed comprises an upper lathe bed with an inclined upper surface, and the upper lathe bed gradually rises from front to back.
Further, the first Z-axis feeding mechanism/the second Z-axis feeding mechanism comprises a Z-axis lead screw and a Z-axis guide rail, and the Z-axis lead screw and the Z-axis guide rail are connected with a Z-axis supporting plate through a sliding block;
The Z-axis supporting plate is provided with a first X-axis feeding mechanism/a second X-axis feeding mechanism, the first X-axis feeding mechanism/the second X-axis feeding mechanism comprises an X-axis lead screw and an X-axis guide rail, and the X-axis lead screw and the X-axis guide rail are connected with a first tool rest mounting table/a second tool rest mounting table through a sliding block;
The first tool rest mounting table is connected with the first tool rest;
the second tool rest mounting table is connected with the second tool rest.
Further, the third Z-axis feeding mechanism comprises a spindle driving screw and a spindle driving guide rail, wherein the spindle driving screw and the spindle driving guide rail are connected with a spindle supporting plate, and the spindle supporting plate is connected with the second spindle box;
The second spindle box comprises a second spindle, and the second spindle is provided with a second chuck which can automatically clamp and unclamp a workpiece;
the second spindle center of gravity is located between the center of gravity of the spindle support plate and the second tool post.
Further, the first spindle box comprises a shell, the shell is rotatably connected with a transmission cylinder through a bearing, and the shell is movably connected with a special-shaped piston;
The special-shaped piston is positioned at one end of the transmission cylinder, which is close to the second spindle box;
the special-shaped piston comprises a cylindrical body, a sealing ring surrounding the body is arranged on the outer wall of the body, and the sealing ring is in sliding connection with the shell;
A sealing ring is connected between the body and the shell, and the sealing ring is positioned between the sealing ring and the end part of the shell, which is close to the second spindle box, so as to form a first piston cavity and a second piston cavity;
the first piston cavity is communicated with a first air inlet and outlet mechanism;
the second piston cavity is communicated with a second air inlet and outlet mechanism;
the axes of the transmission cylinder and the special-shaped piston and the axis of the second main shaft box are positioned on the same axis;
a lateral gear ring is arranged between the transmission cylinder and the special-shaped piston to form a clutch mechanism;
The body is connected with a first chuck.
Further, the first chuck comprises a claw, the claw is arranged at one end of the body, which is close to the second spindle box, and a bar-shaped connecting block is movably connected between the body and the claw;
The outer wall of the body is provided with a protrusion with a certain included angle with the axis of the body, and one end of the connecting block is provided with a first chute in cooperation with the protrusion;
The other end of the connecting block is provided with a second chute perpendicular to the clamping jaw, and the clamping jaw is embedded into the second chute;
when the body slides in the direction away from the second main spindle box, the connecting block slides in the direction of the first sliding groove, so that the clamping jaw is driven to slide in the axial center direction of the first main spindle box.
Further, the feeding device comprises a feeding piece, wherein the feeding piece is of an angle steel structure with an upward opening, and the feeding piece moves in and out of a cavity of the first main shaft box;
a first stop block is arranged at one end, far away from the first spindle box, of the feeding part;
An air cylinder is arranged above the feeding piece, the end part of a top plate of the air cylinder is connected with a connecting plate, and two ends of the connecting plate are respectively provided with a second stop block and a third stop block;
the first stop block, the second stop block and the third stop block are all positioned on the axis of the first spindle box, and the first stop block is positioned between the second stop block and the third stop block;
The distance between the second stop and the third stop is greater than the length of the workpiece.
Further, the feeding piece is movably connected with a supporting wheel, and the supporting wheel is close to the first spindle box.
Further, one end of the feeding part, which is far away from the first main shaft box, is provided with a limiting rod, both ends of the limiting rod are slidably connected with limiting grooves, and the limiting grooves are parallel to the axial lead of the first main shaft box.
Further, the second headstock motor is driven;
the outer end of the transmission cylinder is provided with a belt pulley and is connected with a motor.
During operation, the feeding part is provided with a plurality of workpieces which are abutted end to end, and the latter workpiece pushes the former workpiece into the clamping jaw clamping station.
The specific flow of the feeding device is that firstly, the ejector rod of the air cylinder stretches out, the third stop block pushes the first stop block, and the feeding piece is driven to slide to a feeding position away from the first spindle box. And placing the workpiece into the feeding part.
The ejector rod of the air cylinder is contracted, the third stop block firstly pushes the workpiece to slide until the second stop block contacts the feeding piece, and the second stop block pushes the feeding piece to slide until the workpiece enters the claw station.
The first piston chamber is inflated and the body moves toward the transmission barrel until the body and the transmission barrel are combined.
Simultaneously, because the motion of body, protruding pulling connecting block slides, and the connecting block pulling jack catch slides and centre gripping work piece.
The ejector rod of the air cylinder stretches out, and the third stop block pushes the first stop block to drive the feeding piece to slide to the feeding position away from the first spindle box for standby.
Subsequently, the first headstock and the second headstock are activated.
The specific flow of the first spindle box is that the first Z-axis feeding mechanism and the first X-axis feeding mechanism drive the first tool rest to the station. Then the belt pulley drives the transmission cylinder to rotate, the transmission cylinder drives the body to rotate, the body drives the clamping jaw to rotate, and then the first Z axial feeding mechanism and the first X axial feeding mechanism drive the first tool rest to work.
When the end, far away from the first spindle box, of the workpiece is machined, the belt pulley stops rotating.
The third Z-axis feeding mechanism drives the second spindle box to be close to the first spindle box, and the second chuck clamps one end of the workpiece which is machined.
The first piston cavity is deflated, the second piston cavity is inflated, the body is far away from the transmission cylinder, and the clamping jaws are loosened.
The second headstock is away from the first headstock by a certain distance, and drags the workpiece to move together.
The first tool post cuts the workpiece.
The second piston cavity is deflated, the first piston cavity is inflated, the body moves towards the transmission cylinder, the clamping jaws clamp, and the body is combined with the transmission cylinder.
The second headstock carries the severed portion of the workpiece into a station of the second headstock. And then the second Z-axis feeding mechanism and the second X-axis feeding mechanism drive the second tool rest to work.
At the same time, the first headstock and the first tool post also continue to operate.
And (5) continuing the feeding process until the last part of the workpiece is taken away by the second spindle box.
The beneficial effect of this scheme can learn according to the description to above-mentioned scheme, simple structure, reasonable in design has following several advantages: (1) When feeding and discharging, no manual operation is needed, the degree of automation is improved, and the manpower is saved; (2) The automatic lathe has the advantages that the automatic lathe is simple in structure, automatic functions are realized by only a small number of mechanical parts, the cost is low, and the cost requirement of matching a double-tool-rest numerical control lathe is met; (3) Because the structure is simple, the operation and maintenance are simple, the production reliability is improved, the maintenance convenience is improved, and the occurrence of long-time production stopping due to faults can be prevented; (4) The occupied space is small, and the trouble to the infrastructure arrangement of factories is avoided.
Drawings
FIG. 1 is a schematic view of the structure of the present invention (with the loading device removed).
Figure 2 is a side view of the bed of the present invention.
Fig. 3 is a side view of the bed of the present invention (with the first tool post and first headstock removed).
Fig. 4 is a schematic view of the first chuck according to the present invention when released.
Fig. 5 is a schematic view of the connection structure of the special-shaped piston, the connecting block and the claw when the first chuck is released.
Fig. 6 is a schematic view of the first headstock structure when the first chuck of the present invention is released.
Fig. 7 is a schematic diagram of the structure of the connection block.
Fig. 8 is a bottom view of fig. 7.
Fig. 9 is a schematic structural diagram of a feeding device according to the present invention.
Fig. 10 is a schematic diagram of a connection structure between a feeding member and a limiting groove according to the present invention.
In the figure, 1, an upper lathe bed; 2. a first headstock; 3. a second headstock; 4. a first Z-axis feeding mechanism; 5. a first X-axis feeding mechanism; 6. a first tool post; 7. a second Z-axis feeding mechanism; 8. a second X-axis feeding mechanism; 9. a second tool post; 10. a third Z-axis feeding mechanism; 11. a feeding device; 12. a workpiece; 13. a Z-axis lead screw; 14. a Z-axis guide rail; 15. a Z-axis support plate; 16. an X-axis lead screw; 17. an X-axis guide rail; 18. a first tool holder mount; 19. a second tool holder mount; 20. the spindle drives a screw rod; 21. a spindle drive rail; 22. a spindle support plate; 23. a second spindle; 24. a housing; 25. a transmission cylinder; 26. a profiled piston; 27. a body; 28. sealing rings; 29. a seal ring; 30. A first piston chamber; 31. a second piston chamber; 32. a first air intake and exhaust mechanism; 33. a claw; 34. a connecting block; 35. a protrusion; 36. a first chute; 37. a second chute; 38. a feeding member; 39. a first stopper; 40. a cylinder; 41. a second stopper; 42. a third stopper; 43. a support wheel; 44. a limit rod; 45. a limit groove; 46. a belt pulley; 47. and the second air inlet and outlet mechanism.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
As shown in fig. 1 to 10, the present embodiment is a double-tool-holder numerically controlled lathe, comprising a lathe bed including an upper lathe bed 1 with an inclined upper surface, and the upper lathe bed 1 is gradually raised from front to back.
The lathe bed is provided with a first headstock 2 and a second headstock 3, and the axes of the first headstock 2 and the second headstock 3 are positioned on the same axis;
the lathe bed is provided with a first Z axial feeding mechanism 4 at the rear side of the first spindle box 2, the first Z axial feeding mechanism 4 is connected with a first X axial feeding mechanism 5, and the first X axial feeding mechanism 5 is connected with a first tool rest 6;
The lathe bed is provided with a second Z axial feeding mechanism 7 at the rear side of the second spindle box 3, the second Z axial feeding mechanism 7 is connected with a second X axial feeding mechanism 8, and the second X axial feeding mechanism 8 is connected with a second tool rest 9;
the front side of the second Z axial feeding mechanism 7 of the lathe bed is provided with a third Z axial feeding mechanism 10, and the third Z axial feeding mechanism 10 is connected with the second spindle box 3;
the first main spindle box 2 is provided with a through cavity along the axis of the first main spindle box;
the feeding device 11 is further included, and the workpiece 12 is conveyed to the end part of the first spindle box 2 through the cavity by the feeding device 11 to be clamped.
Further, the first Z-axis feeding mechanism 4/the second Z-axis feeding mechanism 7 comprises a Z-axis lead screw 13 and a Z-axis guide rail 14, and the Z-axis lead screw 13 and the Z-axis guide rail 14 are connected with a Z-axis supporting plate 15 through a sliding block;
The Z-axis supporting plate 15 is provided with a first X-axis feeding mechanism 5/a second X-axis feeding mechanism 8, the first X-axis feeding mechanism 5/the second X-axis feeding mechanism 8 comprises an X-axis lead screw 16 and an X-axis guide rail 17, and the X-axis lead screw 16 and the X-axis guide rail 17 are connected with a first tool rest mounting table 18/a second tool rest mounting table 19 through sliding blocks;
the first tool rest mounting table 18 is connected with the first tool rest 6;
The second holder mounting 19 is connected to the second holder 9.
Further, the third Z-axis feeding mechanism 10 includes a spindle drive screw 20 and a spindle drive guide rail 21, the spindle drive screw 20 and the spindle drive guide rail 21 are connected with a spindle support plate 22, and the spindle support plate 22 is connected with the second headstock 3;
the second headstock 3 includes a second spindle 23, the second spindle 23 being provided with a second chuck capable of automatically clamping and unclamping the workpiece 12;
the center of gravity of the second spindle 23 is located between the center of gravity of the spindle support plate 22 and the second tool holder 9.
Further, the first headstock 2 includes a housing 24, the housing 24 is rotatably connected with a transmission cylinder 25 through a bearing, and the housing 24 is movably connected with a special-shaped piston 26;
the special-shaped piston 26 is positioned at one end of the transmission cylinder 25 close to the second spindle box 3;
The special-shaped piston 26 comprises a cylindrical body 27, a sealing ring 28 surrounding the body 27 is arranged on the outer wall of the body 27, and the sealing ring 28 is in sliding connection with the shell 24;
A sealing ring 29 is connected between the body 27 and the shell 24, and the sealing ring 28 is positioned between the sealing ring 29 and the end of the shell 24 close to the second spindle box 3, so that a first piston cavity 30 and a second piston cavity 31 are formed;
The first piston chamber 30 is communicated with a first air inlet and outlet mechanism 32;
the second piston chamber 31 is communicated with a second air inlet and outlet mechanism 4733;
the axes of the transmission cylinder 25 and the special-shaped piston 26 and the axis of the second spindle box 3 are positioned on the same axis;
a lateral gear ring is arranged between the transmission cylinder 25 and the special-shaped piston 26 to form a clutch mechanism;
The body 27 has a first chuck attached thereto.
Further, the first chuck comprises a claw 33, the claw 33 is arranged at one end of the body 27 close to the second spindle box 3, and a bar-shaped connecting block 34 is movably connected between the body 27 and the claw 33;
the outer wall of the body 27 is provided with a protrusion 35 with a certain included angle with the axis of the body 27, and one end of the connecting block 34 is provided with a first chute 36 in cooperation with the protrusion 35;
The other end of the connecting block 34 is provided with a second chute 37 perpendicular to the clamping jaw 33, and the clamping jaw 33 is embedded into the second chute 37;
When the body 27 slides away from the second headstock 3, the connecting block 34 slides toward the first sliding groove 36, thereby driving the claw 33 to slide toward the axial center of the first headstock 2.
Further, the feeding device 11 comprises a feeding piece 38, the feeding piece 38 is of an angle steel structure with an upward opening, and the feeding piece 38 moves in and out of the cavity of the first spindle box 2;
A first stop block 39 is arranged at one end of the feeding piece 38, which is far away from the first spindle box 2;
An air cylinder 40 is arranged above the feeding piece 38, a connecting plate is connected to the top plate end of the air cylinder 40, and a second stop block 41 and a third stop block 42 are respectively arranged at two ends of the connecting plate;
The first stop block 39, the second stop block 41 and the third stop block 42 are all positioned on the axis of the first headstock 2, and the first stop block 39 is positioned between the second stop block 41 and the third stop block 42;
the distance between the second stop 41 and the third stop 42 is greater than the length of the workpiece 12.
Further, the loading piece 38 is movably connected with a supporting wheel 43, and the supporting wheel 43 is disposed near the first headstock 2.
Further, a limiting rod 44 is arranged at one end of the feeding member 38, which is far away from the first spindle box 2, both ends of the limiting rod 44 are slidably connected with limiting grooves 45, and the limiting grooves 45 are parallel to the axis of the first spindle box 2.
Further, the second headstock 3 is driven by a motor;
the outer end of the transmission cylinder 25 is provided with a belt pulley 46 and is connected with a motor.
In operation, the loading element 38 is provided with several work pieces 12 which are abutted end to end, the latter work piece 12 pushing the former work piece 12 into the clamping station of the jaws 33.
The specific process of the feeding device 11 is that firstly, the ejector rod of the air cylinder 40 stretches out, and the third stop block 42 pushes the first stop block 39 to drive the feeding piece 38 to slide to the feeding position away from the first spindle box 2. The workpiece 12 is placed into the loading element 38.
The ram of the cylinder 40 is retracted and the third stop 42 first pushes the workpiece 12 to slide until the second stop 41 contacts the feed member 38 and the second stop 41 pushes the feed member 38 to slide until the workpiece 12 enters the jaw 33 station.
The first piston chamber 30 is inflated and the body 27 moves toward the transmission cylinder 25 until the body 27 and the transmission cylinder 25 are combined.
At the same time, due to the movement of the body 27, the protrusion 35 pulls the connection block 34 to slide, and the connection block 34 pulls the claw 33 to slide and clamp the workpiece 12.
The ejector rod of the air cylinder 40 extends out, and the third stop block 42 pushes the first stop block 39 to drive the feeding piece 38 to slide away from the first spindle box 2 to a feeding position for standby.
Subsequently, the first headstock 2 and the second headstock 3 are started to operate.
The specific flow of the first headstock 2 is that the first Z-axis feeding mechanism 4 and the first X-axis feeding mechanism 5 drive the first tool post 6 to the work station. The pulley 46 then drives the transmission cylinder 25 to rotate, the transmission cylinder 25 drives the body 27 to rotate, the body 27 drives the claw 33 to rotate, and then the first Z-axis feeding mechanism 4 and the first X-axis feeding mechanism 5 drive the first tool rest 6 to work.
When the end of the workpiece 12 remote from the first headstock 2 is finished, the pulley 46 stops rotating.
The third Z-axis feeding mechanism 10 drives the second headstock 3 to approach the first headstock 2, and the second chuck clamps one end of the workpiece 12 that is finished being machined.
The first piston chamber 30 is deflated, the second piston chamber 31 is inflated, the body 27 is remote from the transmission drum 25, and the jaws 33 are released.
The second headstock 3 is spaced from the first headstock 2 and drags the work piece 12 together.
The first blade holder 6 cuts off the workpiece 12.
The second piston chamber 31 is deflated, the first piston chamber 30 is inflated, the body 27 is moved towards the transmission cylinder 25, the jaws 33 are clamped, and the body 27 is combined with the transmission cylinder 25.
The second headstock 3 carries the severed portion of the workpiece 12 into the station of the second headstock 3. And then the second Z axial feeding mechanism 7 and the second X axial feeding mechanism 8 drive the second tool rest 9 to work.
At the same time, the first headstock 2 and the first tool head 6 also continue to operate.
And the feeding process is continued until the last part of the workpiece 12 is carried away by the second spindle box 3.
The technical features of the present invention that are not described in the present invention can be realized by or are realized by the prior art, and the description is not limited to the above-mentioned embodiments, and the present invention is not limited to the above-mentioned embodiments, and the changes, modifications, additions or substitutions made by those skilled in the art within the spirit and scope of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The double-tool-rest numerical control lathe is characterized by comprising a lathe bed, wherein the lathe bed is provided with a first main spindle box (2) and a second main spindle box (3), and the axes of the first main spindle box (2) and the second main spindle box (3) are positioned on the same axis;
The machine tool body is provided with a first Z axial feeding mechanism (4) at the rear side of the first spindle box (2), the first Z axial feeding mechanism (4) is connected with a first X axial feeding mechanism (5), and the first X axial feeding mechanism (5) is connected with a first tool rest (6);
the lathe bed is provided with a second Z axial feeding mechanism (7) at the rear side of the second spindle box (3), the second Z axial feeding mechanism (7) is connected with a second X axial feeding mechanism (8), and the second X axial feeding mechanism (8) is connected with a second tool rest (9);
A third Z axial feeding mechanism (10) is arranged on the front side of the second Z axial feeding mechanism (7) of the lathe bed, and the third Z axial feeding mechanism (10) is connected with the second spindle box (3);
the first spindle box (2) is provided with a through cavity along the axis of the first spindle box;
the feeding device (11) is used for conveying the workpiece (12) to the end part of the first spindle box (2) to be clamped through the cavity.
2. A double-tool-rest numerically controlled lathe according to claim 1, characterized in that the lathe bed comprises an upper lathe bed (1) with an inclined upper surface, and that the upper lathe bed (1) is gradually raised from front to back.
3. A double-tool-holder numerically controlled lathe according to claim 2, characterized in that the first Z-axis feed mechanism (4)/second Z-axis feed mechanism (7) comprises a Z-axis lead screw (13) and a Z-axis guide rail (14), the Z-axis lead screw (13) and the Z-axis guide rail (14) being connected with a Z-axis support plate (15) by means of a slider;
The Z-axis supporting plate (15) is provided with a first X-axis feeding mechanism (5)/a second X-axis feeding mechanism (8), the first X-axis feeding mechanism (5)/the second X-axis feeding mechanism (8) comprises an X-axis lead screw (16) and an X-axis guide rail (17), and the X-axis lead screw (16) and the X-axis guide rail (17) are connected with a first tool rest mounting table (18)/a second tool rest mounting table (19) through sliding blocks;
The first tool rest mounting table (18) is connected with the first tool rest (6);
the second tool rest mounting table (19) is connected with the second tool rest (9).
4. A double-tool-rest numerically controlled lathe according to claim 3, characterized in that the third Z-axis feeding mechanism (10) comprises a spindle drive screw (20) and a spindle drive guide rail (21), the spindle drive screw (20) and spindle drive guide rail (21) being connected with a spindle support plate (22), the spindle support plate (22) being connected with the second headstock (3);
the second spindle box (3) comprises a second spindle (23), and the second spindle (23) is provided with a second chuck which can automatically clamp and unclamp a workpiece (12);
The center of gravity of the second spindle (23) is located between the center of gravity of the spindle supporting plate (22) and the second tool rest (9).
5. The double-tool-rest numerically controlled lathe according to claim 4, characterized in that the first headstock (2) comprises a housing (24), the housing (24) is rotatably connected with a transmission cylinder (25) through a bearing, and the housing (24) is movably connected with a special-shaped piston (26);
The special-shaped piston (26) is positioned at one end of the transmission cylinder (25) close to the second spindle box (3);
The special-shaped piston (26) comprises a cylindrical body (27), a sealing ring (28) surrounding the body (27) is arranged on the outer wall of the body (27), and the sealing ring (28) is in sliding connection with the shell (24);
A sealing ring (29) is connected between the body (27) and the shell (24), and the sealing ring (28) is positioned between the sealing ring (29) and the end part of the shell (24) close to the second spindle box (3), so that a first piston cavity (30) and a second piston cavity (31) are formed;
the first piston cavity (30) is communicated with a first air inlet and outlet mechanism (32);
the second piston cavity (31) is communicated with a second air inlet and outlet mechanism (47);
the axes of the transmission cylinder (25) and the special-shaped piston (26) and the axis of the second main spindle box (3) are positioned on the same axis;
a lateral gear ring is arranged between the transmission cylinder (25) and the special-shaped piston (26) to form a clutch mechanism.
A lateral gear ring is arranged between the transmission cylinder (25) and the special-shaped piston (26) to form a clutch mechanism;
The body (27) is connected with a first chuck.
6. The double-tool-rest numerically controlled lathe according to claim 5, wherein the first chuck comprises a claw (33), the claw (33) is arranged at one end of the body (27) close to the second headstock (3), and a bar-shaped connecting block (34) is movably connected between the body (27) and the claw (33);
the outer wall of the body (27) is provided with a protrusion (35) with a certain included angle with the axis of the body (27), and one end of the connecting block (34) is matched with the protrusion (35) to be provided with a first chute (36);
The other end of the connecting block (34) is provided with a second chute (37) perpendicular to the clamping jaw (33), and the clamping jaw (33) is embedded into the second chute (37);
When the body (27) slides in a direction away from the second headstock (3), the connecting block (34) slides in a direction of the first sliding groove (36), so that the clamping jaw (33) is driven to slide in a direction of an axle center of the first headstock (2).
7. The double-tool-rest numerically controlled lathe according to claim 5, wherein the feeding device (11) comprises a feeding piece (38), the feeding piece (38) is of an angle steel structure with an upward opening, and the feeding piece (38) moves in and out of a cavity of the first spindle box (2);
One end of the feeding piece (38) far away from the first spindle box (2) is provided with a first stop block (39);
An air cylinder (40) is arranged above the feeding piece (38), the top plate end part of the air cylinder (40) is connected with a connecting plate, and two ends of the connecting plate are respectively provided with a second stop block (41) and a third stop block (42);
The first stop block (39), the second stop block (41) and the third stop block (42) are all positioned on the axis of the first spindle box (2), and the first stop block (39) is positioned between the second stop block (41) and the third stop block (42);
The distance between the second stop (41) and the third stop (42) is greater than the length of the workpiece (12).
8. The double-tool-rest numerically controlled lathe according to claim 7, wherein the feeding piece (38) is movably connected with a supporting wheel (43), and the supporting wheel (43) is arranged close to the first spindle box (2).
9. The double-tool-rest numerically controlled lathe according to claim 8, wherein a limiting rod (44) is arranged at one end of the feeding piece (38) far away from the first spindle box (2), limiting grooves (45) are slidably connected to two ends of the limiting rod (44), and the limiting grooves (45) are parallel to the axis of the first spindle box (2).
10. A double-tool-rest numerically controlled lathe according to claim 5, characterized in that the second headstock (3) is driven by a motor;
The outer end of the transmission cylinder (25) is provided with a belt pulley (46) and is connected with a motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410304453.7A CN118123068A (en) | 2024-03-18 | 2024-03-18 | Double-tool-rest numerical control lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410304453.7A CN118123068A (en) | 2024-03-18 | 2024-03-18 | Double-tool-rest numerical control lathe |
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| Publication Number | Publication Date |
|---|---|
| CN118123068A true CN118123068A (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410304453.7A Pending CN118123068A (en) | 2024-03-18 | 2024-03-18 | Double-tool-rest numerical control lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118123068A (en) |
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- 2024-03-18 CN CN202410304453.7A patent/CN118123068A/en active Pending
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