CN218080446U - Lathe - Google Patents

Abstract

The utility model provides a lathe relates to processing parts technical field, has solved the technical problem that the engine lathe who exists can not process out the prism or pyramid or the wavy cylinder that the surface is the polyhedron among the prior art. The device comprises a lathe bed support, a spindle box, a clutch, a gearbox, a chuck, a motor, a transmission mechanism, a moving mechanism and a cutter connecting frame, wherein a rotary cutter frame comprises a cutter head, a first cutter and a shaft sleeve, the cutter head is sleeved on the shaft sleeve, the shaft sleeve is sleeved on a first driving shaft, and the transmission mechanism can drive the first cutter and a workpiece to rotate simultaneously; or the movable tool rest comprises a second tool, a tool bar, a butting part, a reset spring, a movable block, a bearing, an adjusting wheel, an adjusting nut and a fixing bolt, a center hole of the adjusting wheel is connected with the second driving shaft in a matched mode, an eccentric groove of the adjusting wheel is connected with the adjusting nut, the fixing bolt penetrates through the bearing to be connected with the adjusting nut in a threaded mode, and the transmission mechanism can drive the second tool to move in a reciprocating mode.

Description

Lathe

Technical Field

The utility model belongs to the technical field of the processing part technique and specifically relates to a lathe is related to.

Background

A general lathe is a machine tool in which a turning tool that performs a feed motion cuts a workpiece that performs a rotation motion. The machining principle of the lathe is that a cutter and a workpiece are arranged on the lathe, and the relative motion of the cutter and the workpiece, namely cutting motion, is generated by a transmission and speed change system of the lathe to cut out a required part. The lathe has wide processing range, mainly processes the rotary surface, and can be used for turning an excircle, turning an end face, grooving, drilling, boring, turning a conical surface, turning threads, turning a forming surface, drilling a central hole, knurling and the like.

The center axis of the main shaft is used as a central axis of the common lathe, a processing workpiece rotates, and a turning tool moves axially and radially. The processed product has a cylinder, a torus and a cone; mainly processing a workpiece with a round outer surface or inner surface.

The applicant has found that the prior art has at least the following technical problems:

in the prior art, a common lathe cannot process prisms, pyramids and spheres with polyhedral outer surfaces. (e.g., 6-sided prisms, 24-sided prisms, 30-sided pyramids, polygonal spheres, etc.); and cylinders, cones and spheres with waved outer surfaces cannot be processed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe to solve the technical problem that the center lathe who exists among the prior art can not process out the prism or the pyramid or the wavy cylinder that the outer surface is the polyhedron. The utility model provides a plurality of technological effects that preferred technical scheme among a great deal of technical scheme can produce are seen in the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a lathe, including lathe bed support, headstock, clutch, gearbox, chuck, motor, drive mechanism, moving mechanism and cutter link, wherein, the headstock, the clutch with the gearbox is all installed at the tip of lathe bed support, the motor with the headstock transmission is connected, the chuck is connected with the output shaft of headstock, moving mechanism installs on the guide rail of lathe bed support, the headstock, the clutch, the gearbox with drive mechanism transmission connects gradually, drive mechanism sets up on moving mechanism, the cutter link with drive mechanism is connected, moving mechanism can adjust the position of cutter link;

the cutter connecting frame is a rotary cutter frame, the rotary cutter frame comprises a cutter head, a first cutter, a shaft sleeve and a first driving shaft, the cutter head is sleeved on the shaft sleeve, the shaft sleeve is sleeved on the first driving shaft and is in sliding connection with the first driving shaft, the first driving shaft penetrates through the moving mechanism to be connected with the transmission mechanism, a plurality of connecting cutter holes are formed in the circumferential side wall of the cutter head, the number of the first cutters is multiple, the first cutters are connected with the connecting cutter holes in a clamping mode, and the transmission mechanism can drive the first cutters to rotate;

or, the cutter connecting frame is a movable cutter frame, the movable cutter frame comprises a second cutter, a cutter bar, a butting portion, a reset spring, a movable block, a bearing, an adjusting wheel, an adjusting nut, a fixing bolt and a second driving shaft, a central hole of the adjusting wheel is connected with the second driving shaft in a matching mode, the second driving shaft penetrates through the moving mechanism and is connected with the transmission mechanism, an eccentric groove of the adjusting wheel is connected with the adjusting nut, the fixing bolt penetrates through the bearing and is in threaded connection with the adjusting nut, the fixing bolt is connected with an inner ring of the bearing in a matching mode, the movable block is connected with the moving mechanism through a guide pillar, the cutter bar penetrates through the movable block, the cutter bar is in sliding connection with the movable block, one end of the cutter bar is connected with the second cutter, the other end of the cutter bar is connected with the butting portion, a free end of the butting portion is abutted against an outer ring of the bearing, the reset spring is sleeved on the cutter bar, the reset spring is located between the movable block and the butting portion, and the transmission mechanism can drive the second cutter to move.

Optionally, the spindle box includes a first gear set, a second gear set and a third gear set, the first gear set, the second gear set and the third gear set are sequentially connected in a meshing manner, the first gear set is connected with the motor through a gear belt, the second gear set is connected with the chuck through an output shaft, and the third gear set is connected with the clutch through a gear belt;

the gearbox comprises a fourth gear set, a fifth gear set, a box body, a transmission shaft, a moving sleeve, a gear, a first bearing and a connecting plate, wherein the fourth gear set and the fifth gear set are connected to the box body, the fourth gear set and the fifth gear set are connected in a meshed mode, the box body is installed at one end of the lathe bed support, the clutch is connected with the fourth gear set through a gear belt, the fifth gear set is connected with one end of the transmission shaft, the other end of the transmission shaft is rotatably connected with the other end of the lathe bed support, a moving groove is formed in the transmission shaft, a protruding strip is arranged in the moving sleeve, the moving sleeve is sleeved on the transmission shaft, the protruding strip is connected with the moving groove in a sliding mode, the gear and the bearing are sleeved on the moving sleeve, the gear is connected with the transmission mechanism through the gear belt, and the first bearing is connected with the moving mechanism through the connecting plate.

Optionally, the moving mechanism comprises a longitudinal slide carriage box, a longitudinal slide carriage, a transverse slide carriage, a lower tool rest, an upper tool rest, a first longitudinal adjusting mechanism, a first transverse adjusting mechanism, a second longitudinal adjusting mechanism and a second transverse adjusting mechanism, the longitudinal slide carriage box is fixedly connected with the longitudinal slide carriage, the longitudinal slide carriage is connected with the guide rail in a sliding manner, the first longitudinal adjusting mechanism penetrates through the longitudinal slide carriage box and is connected with a rack on the lathe bed support in a meshing manner, the longitudinal slide carriage is connected with the transverse slide carriage in sequence, the lower tool rest is connected with the upper tool rest in a rotating manner, the first transverse adjusting mechanism is connected with the transverse slide carriage, the second transverse adjusting mechanism is connected with the inside of the upper tool rest, and the second longitudinal adjusting mechanism is connected with the upper tool rest.

Optionally, first vertical adjustment mechanism includes first hand wheel, first connecting axle and cooperation gear, first hand wheel with the cooperation gear is connected respectively the both ends of first connecting axle, first connecting axle passes indulge the carriage just first connecting axle with indulge the carriage and rotate and be connected, the cooperation gear with rack toothing connects.

Optionally, the horizontal slide carriage comprises a fixed slide way and a movable slide bar, the movable slide bar is provided with a slide groove, the fixed slide way is fixedly connected with the vertical slide carriage, the movable slide bar is fixedly connected with the lower tool rest, the fixed slide way is positioned in the slide groove, and the fixed slide way is slidably connected with the slide groove;

first horizontal adjustment mechanism includes second hand wheel, first threaded rod and first nut, be provided with the holding tank on the fixed slide, the tip of first nut with sliding tray fixed connection just first nut is located in the holding tank, first threaded rod is located in the holding tank just first threaded rod with the holding tank rotates to be connected, the one end of first threaded rod is passed the holding tank and with the second hand wheel is connected, first nut with first threaded rod threaded connection.

Optionally, the second lateral adjustment mechanism includes a third hand wheel, a second threaded rod and a second nut, the upper tool post includes a moving portion and a fixing portion, the moving portion is slidably connected with the fixing portion, the second nut and the second threaded rod are both located inside the moving portion, the second threaded rod is in threaded connection with the second nut, the second threaded rod is in rotating connection with the moving portion, the end portion of the second nut is fixedly connected with the fixing portion, and one end of the second threaded rod penetrates through the moving portion and is connected with the third hand wheel.

Optionally, the second longitudinal adjustment mechanism includes a balance plate, a first spring, a first support rod, a third threaded rod and a first knob, the balance plate is provided with a first connection hole, a second connection hole and a threaded hole, the centers of the first connection hole, the second connection hole and the threaded hole are on the same straight line, the second connection hole is located between the first connection hole and the threaded hole, the first connection hole is connected with the shaft sleeve, one end of the first support rod is connected with the side wall of the moving portion of the upper tool rest, the other end of the first support rod penetrates through the second connection hole, the first spring is sleeved on the first support rod, one end of the first spring is abutted against the balance plate, the other end of the first spring is abutted against the other end of the first support rod, one end of the third threaded rod is connected with the first knob, the other end of the third threaded rod penetrates through the threaded hole and is abutted against the side wall of the moving portion, and the third threaded rod is in threaded connection with the threaded hole;

or, the second longitudinal adjusting mechanism comprises a second knob, a fourth threaded rod, a second spring, a second supporting rod and the guide post, a first through hole, a second through hole and a third through hole are formed in the moving block, one end of the fourth threaded rod is connected with the second knob, the other end of the fourth threaded rod penetrates through the first through hole and abuts against the side wall of the moving portion of the upper tool rest, the fourth threaded rod is in threaded connection with the first through hole, the second spring is located in the second through hole, one end of the second supporting rod penetrates through the second through hole and is connected with the side wall of the moving portion, the guide post penetrates through the third through hole and is connected with the side wall of the moving portion, and the guide post is in sliding connection with the third through hole.

Optionally, the transmission mechanism includes a first transmission mechanism, a second transmission mechanism, a third transmission mechanism and a fourth transmission mechanism, the first transmission mechanism is connected with a gear on the gearbox through a gear belt, the first transmission mechanism is connected with the second transmission mechanism through a first rotating shaft, the second transmission mechanism is connected with the third transmission mechanism through a second rotating shaft, the third transmission mechanism is connected with the fourth transmission mechanism through a third rotating shaft, and the fourth transmission mechanism is connected with the tool connecting frame.

Optionally, the first transmission mechanism includes a first gear, a second gear, a third gear, a first steering wheel and a second steering wheel, the first gear is rotatably connected to an outer wall of the longitudinal slide box, the second gear is rotatably connected to an outer wall of the lower tool rest, the third gear is located on an outer wall of the lower tool rest and is connected to the second transmission mechanism through the first rotating shaft, the first steering wheel and the second steering wheel are both rotatably connected to a side wall of the longitudinal slide, and the first gear, the second gear, the third gear, the first steering wheel and the second steering wheel are connected through a gear belt;

the fourth transmission mechanism comprises a fourth gear, a fifth gear, a sixth gear, a third steering wheel and a fourth steering wheel, the fourth gear is positioned on the side wall of the fixing part of the upper tool rest, the fourth gear is connected with the third transmission mechanism through the third rotating shaft, the third steering wheel and the fourth steering wheel are both in rotating connection with the side wall of the fixing part, the fifth gear and the sixth gear are both in rotating connection with the side wall of the moving part of the upper tool rest, and the fourth gear, the fifth gear, the sixth gear, the third steering wheel and the fourth steering wheel are connected through a gear belt;

the fifth gear is connected with the shaft sleeve through the first driving shaft, or the sixth gear is connected with the adjusting wheel through the second driving shaft.

Optionally, the second transmission mechanism includes a first conical gear and a second conical gear, the third transmission mechanism includes a third conical gear and a fourth conical gear, the first conical gear and the second conical gear are both located in the lower tool rest and are in meshed connection with each other, the first conical gear is connected with the third gear through the first rotating shaft, the third conical gear and the fourth conical gear are both located in the upper tool rest, the third conical gear is connected with the second conical gear through the second rotating shaft, and the fourth conical gear is connected with the fourth gear through the third rotating shaft.

The utility model provides a lathe, chuck are used for blocking the work piece, and chuck and cutter link realize being driven by same motor through headstock, clutch, gearbox and drive mechanism, and headstock and gearbox can change the gear drive ratio of self to make the chuck and the speed of motion of cutter link inequality, and moving mechanism can adjust the position of cutter link; when the rotary tool rest is arranged on the moving mechanism, the motor can drive the rotary tool rest and the chuck to rotate in the same direction, and each first tool can cut part of the outer surface of the workpiece in the rotating process of the rotary tool rest and the chuck, so that the workpiece forms a polyhedron; when the movable tool rest is arranged on the moving mechanism, the motor can drive the second cutter to move back and forth, the chuck rotates, and one of the second cutter moves back and forth to cut part of the outer surface of the chuck, so that the outer surface of the workpiece forms a wave-shaped structure, and the technical problem that a common lathe in the prior art cannot process a prism or a pyramid or a wave-shaped cylinder with the outer surface being a polyhedron is solved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view of a lathe according to an embodiment of the present invention;

fig. 2 is a side view of a lathe according to an embodiment of the present invention;

fig. 3 is a top view of a lathe according to an embodiment of the present invention;

fig. 4 is a front view of a moving mechanism and a rotary tool post of a lathe according to an embodiment of the present invention;

FIG. 5 is a side view of the moving mechanism and rotating tool post attachment of a lathe according to an embodiment of the present invention;

fig. 6 is a top view of the moving mechanism and the rotary tool post of the lathe according to the embodiment of the present invention;

fig. 7 is a front view of a rotary tool post of a lathe according to an embodiment of the present invention;

fig. 8 is a side view of a rotary tool post of a lathe provided by an embodiment of the present invention;

fig. 9 is a front view of a moving mechanism and a moving tool rest of a lathe according to an embodiment of the present invention;

fig. 10 is a side view of a moving mechanism and moving tool post attachment for a lathe according to an embodiment of the present invention;

fig. 11 is a top view of a moving mechanism and a moving tool post of a lathe according to an embodiment of the present invention;

fig. 12 is a schematic structural view illustrating a connection between a movable tool post and a second longitudinal adjustment mechanism of a lathe according to an embodiment of the present invention;

fig. 13 is a schematic structural view of a movable tool post of a lathe according to an embodiment of the present invention;

in the figure 1, a lathe bed support; 11. a guide rail; 12. a rack; 13. a tailstock; 2. a main spindle box; 21. a first gear set; 22. a second gear set; 23. a third gear set; 3. a clutch; 4. a gearbox; 41. a fourth gear set; 42. a fifth gear set; 43. a box body; 44. a drive shaft; 5. a chuck; 6. a motor; 7. a moving mechanism; 71. a longitudinal slide carriage box; 72. a longitudinal slide carriage; 73. a horizontal slide carriage; 731. fixing the slideway; 732. moving the slide bar; 74. a lower tool rest; 75. an upper tool rest; 751. a moving part; 752. a fixed part; 76. a first longitudinal adjustment mechanism; 77. a first lateral adjustment mechanism; 78. a second longitudinal adjustment mechanism; 781. a balance plate; 782. a first spring; 783. a first strut; 784. a third threaded rod; 785. a first knob; 786. a second knob; 787. a fourth threaded rod; 788. a second spring; 789. a second support bar; 79. a second lateral adjustment mechanism; 8. rotating the tool holder; 81. a cutter head; 82. a first cutter; 83. a shaft sleeve; 9. moving the tool rest; 91. a second cutter; 92. a cutter bar; 93. an abutting portion; 94. a return spring; 95. a moving block; 96. a bearing; 97. an adjustment wheel; 98. adjusting the nut; 99. fixing the bolt; 910. a guide post; 10. a first drive shaft; 20. a first transmission mechanism; 201. a first gear; 202. a second gear; 203. a third gear; 204. a first steering wheel; 205. a second steering wheel; 30. a second transmission mechanism; 301. a first conical gear; 302. a second conical gear; 40. a third transmission mechanism; 401. a third bevel gear; 402. a fourth conical gear; 50. a fourth transmission mechanism; 501. a fourth gear; 502. a fifth gear; 503. a sixth gear; 504. a third steering wheel; 505. a fourth steering wheel; 60. a first rotating shaft; 70. a second rotating shaft; 80. a third rotating shaft; 90. a second drive shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like are used in an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

The utility model provides a lathe, including lathe bed support 1, headstock 2, clutch 3, gearbox 4, chuck 5, motor 6, drive mechanism, moving mechanism 7 and cutter link, wherein, headstock 2, clutch 3 and gearbox 4 are all installed at the tip of lathe bed support 1, motor 6 is connected with headstock 2 transmission, chuck 5 is connected with the output shaft of headstock 2, moving mechanism 7 is installed on guide rail 11 of lathe bed support 1, moving mechanism 7 can slide along guide rail 11, headstock 2, clutch 3, gearbox 4 and drive mechanism are connected in proper order transmission, drive mechanism sets up on moving mechanism 7, the cutter link is connected with drive mechanism, moving mechanism 7 can adjust the position of cutter link; the lathe bed support 1 further comprises a tail seat 13, the tail seat 13 is connected with the guide rail 11 in a sliding mode, and the tail seat 13 and the chuck 5 jointly act to fix the workpiece.

The cutter connecting frame is a rotary cutter frame 8, the rotary cutter frame 8 comprises a cutter disc 81, a first cutter 82, a shaft sleeve 83 and a first driving shaft 10, the cutter disc 81 is sleeved on the shaft sleeve 83, the shaft sleeve 83 is sleeved on the first driving shaft 10, the shaft sleeve 83 is in sliding connection with the first driving shaft 10, the first driving shaft 10 penetrates through the moving mechanism 7 to be connected with a transmission mechanism, a plurality of connecting cutter holes are formed in the circumferential side wall of the cutter disc 81, the number of the first cutters 82 is multiple, the first cutter 82 is connected with the connecting cutter holes in a clamping mode, the transmission mechanism can drive the first cutter 82 to rotate, and the number of the first cutters 82 mounted on the cutter disc 81 is selected according to the number of the surfaces to be cut of a workpiece;

or, the tool connecting frame is a moving tool holder 9, the moving tool holder 9 includes a second tool 91, a tool bar 92, an abutting portion 93, a return spring 94, a moving block 95, a bearing 96, an adjusting wheel 97, an adjusting nut 98, a fixing bolt 99 and a second driving shaft 90, a center hole of the adjusting wheel 97 is connected with the second driving shaft 90 in a matching manner, the second driving shaft 90 is connected with a transmission mechanism through a moving mechanism 7, an eccentric groove of the adjusting wheel 97 is connected with the adjusting nut 98, the fixing bolt 99 is connected with the adjusting nut 98 through the bearing 96 in a threaded manner, the fixing bolt 99 is connected with an inner ring of the bearing 96 in a matching manner, the number of the bearings 96 can be multiple, the moving block 95 is connected with the moving mechanism 7 through a guide pillar 910, the cutter bar 92 penetrates through the moving block 95, the cutter bar 92 is connected with the moving block 95 in a sliding mode, one end of the cutter bar 92 is connected with the second cutter 91, the other end of the cutter bar 92 is connected with the abutting portion 93, the free end of the abutting portion 93 abuts against the outer ring of the bearing 96, the length of the free end of the abutting portion 93 is larger than the diameter of the eccentric groove of the adjusting wheel 97, therefore, when the bearing 96 rotates, the bearing 96 can always push the abutting portion 93 to move, the return spring 94 is sleeved on the cutter bar 92, the return spring 94 is located between the moving block 95 and the abutting portion 93, the transmission mechanism can drive the second cutter 91 to move, when the bearing 96 rotates to a certain position, the abutting portion 93 can move forwards, and the return spring 94 can be compressed by the moving block 95 and the abutting portion 93; when the bearing 96 rotates to another position, the compressed elastic force of the return spring 94 pushes the abutment 93 to move backward, which also causes the second cutter 91 to move back and forth. In the lathe provided by the utility model, the chuck 5 is used for clamping a workpiece, the chuck 5 and the tool connecting frame are driven by the same motor 6 through the spindle box 2, the clutch 3, the gearbox 4 and the transmission mechanism, the spindle box 2 and the gearbox 4 can change the gear transmission ratio of the chuck 5 and the tool connecting frame, so that the moving speeds of the chuck 5 and the tool connecting frame are different, and the moving mechanism 7 can adjust the position of the tool connecting frame; when the rotary tool post 8 is arranged on the moving mechanism 7, the motor 6 can drive the rotary tool post 8 and the chuck 5 to rotate in the same direction, and each first tool 82 can cut part of the outer surface of the workpiece during the rotation of the rotary tool post 8 and the chuck 5, so that the workpiece forms a polyhedron; when the movable tool rest 9 is mounted on the moving mechanism 7, the motor 6 can drive the second tool 91 to move back and forth, meanwhile, the chuck 5 rotates, and one back and forth movement of the second tool 91 can cut part of the outer surface of the chuck 5, so that the outer surface of the workpiece forms a wave-shaped structure, and the technical problem that a common lathe in the prior art cannot process a prism or a pyramid or a wave-shaped cylinder with a polyhedral outer surface is solved.

As an optional implementation manner, the headstock 2 includes a first gear set 21, a second gear set 22 and a third gear set 23, the first gear set 21, the second gear set 22 and the third gear set 23 are sequentially meshed and connected, each of the first gear set 21, the second gear set 22 and the third gear set 23 includes a plurality of gears with different tooth numbers, and the gear transmission ratio of the headstock 2 can be changed by replacing the gears with different tooth numbers, the first gear set 21 is connected with the motor 6 through a gear belt, the second gear set 22 is connected with the chuck 5 through an output shaft, and the third gear set 23 is connected with the clutch 3 through a gear belt;

the gearbox 4 comprises a fourth gear set 41, a fifth gear set 42, a box 43, a transmission shaft 44, a movable sleeve, a gear, a first bearing and a connecting plate, wherein the fourth gear set 41 and the fifth gear set 42 are connected to the box 43, the fourth gear set 41 and the fifth gear set 42 are meshed and connected, the fourth gear set 41 and the fifth gear set 42 comprise a plurality of gears with different tooth numbers, the gear transmission ratio of the gearbox 4 can be changed by replacing the gears with different tooth numbers, the box 43 is installed at one end of the bed body support 1, the clutch 3 is connected with the fourth gear set 41 through a gear belt, the fifth gear set 42 is connected with one end of the transmission shaft 44, the other end of the transmission shaft 44 is rotatably connected with the other end of the bed body support 1, a movable groove is formed in the transmission shaft 44, a protruding strip is arranged in the movable sleeve, the movable sleeve is sleeved on the transmission shaft 44 and is slidably connected with the movable groove, the protruding strip and the movable groove can enable the movable sleeve to move along the length direction of the transmission shaft 44, the movable sleeve and the transmission shaft 44 can also enable the movable sleeve and the movable sleeve to simultaneously rotate, the gear and the bearing and the movable sleeve is connected with the transmission shaft 44, the first transmission mechanism 7, and the connecting plate can not affect the movement of the first bearing mechanism when the first transmission mechanism and the first transmission mechanism 7 can move along the guide rail, and the connecting plate can move.

As an alternative embodiment, the moving mechanism 7 includes a longitudinal carriage box 71, a longitudinal carriage 72, a transverse carriage 73, a lower carriage 74, an upper carriage 75, a first longitudinal adjusting mechanism 76, a first transverse adjusting mechanism 77, a second longitudinal adjusting mechanism 78 and a second transverse adjusting mechanism 79, the longitudinal carriage box 71 is fixedly connected with the longitudinal carriage 72, the longitudinal carriage 72 is slidably connected with the guide rail 11, the first longitudinal adjusting mechanism 76 passes through the longitudinal carriage box 71 and is engaged with the rack 12 on the bed frame 1, the longitudinal carriage 72 can be slid along the guide rail 11 by rotating the first longitudinal adjusting mechanism 76 by an external force, so that the tool connecting frame can be adjusted for a long distance in the length direction (i.e., the longitudinal direction) of the guide rail 11, the longitudinal carriage 72, the transverse carriage 73 and the lower carriage 74 are connected in sequence, the lower carriage 74 is rotatably connected with the upper carriage 75 so as to enable the tool connecting frame to be rotated, specifically, an arc-shaped slot can be provided on the end face of the upper carriage 75, a bolt is provided on the end face of the lower carriage 74, the bolt passes through the arc-shaped slot, so that the bolt can be moved along the arc-shaped slot, so that the longitudinal adjusting mechanism 77 can be connected with the second transverse adjusting mechanism 79 so as to enable the second longitudinal adjusting mechanism 79 to be connected with the longitudinal adjusting mechanism 75 so as to enable the second longitudinal adjusting mechanism 79, so as to be rotated for a short distance in the longitudinal adjusting mechanism 75, so as to enable the transverse adjusting mechanism to be connected with the second longitudinal adjusting mechanism 79, so as to enable the second longitudinal adjusting mechanism 77, so as to be connected with the longitudinal adjusting mechanism 79, so as to enable the longitudinal adjusting mechanism 75, so as to be connected with the second longitudinal adjusting mechanism 79, so as to be connected with the longitudinal adjusting mechanism 75, so as to enable the transverse adjusting mechanism 79, so as to be connected with the longitudinal adjusting mechanism 77, so as to be connected with the second longitudinal adjusting mechanism 79.

As an alternative embodiment, the first longitudinal adjusting mechanism 76 includes a first hand wheel, a first connecting shaft and a mating gear, the first hand wheel and the mating gear are respectively connected to two ends of the first connecting shaft, the first connecting shaft passes through the longitudinal carriage 71 and is rotatably connected with the longitudinal carriage 71, and the mating gear is meshed with the rack 12. The first hand wheel is rotated by external force, so that the gear rolls on the rack 12, and the longitudinal slide carriage 71 can move, and then the longitudinal slide carriage 72 is driven to slide along the guide rail 11.

As an optional embodiment, the horizontal slide carriage 73 is arranged perpendicular to the guide rail 11, the horizontal slide carriage 73 includes a fixed slide 731 and a movable slide bar 732, the movable slide bar 732 is provided with a sliding groove, the fixed slide rail 731 is fixedly connected with the vertical slide carriage 72, the movable slide bar 732 is fixedly connected with the lower tool post 74, the fixed slide rail 731 is located in the sliding groove, and the fixed slide rail 731 is slidably connected with the sliding groove;

first horizontal adjustment mechanism 77 includes second hand wheel, first threaded rod and first nut, is provided with the holding tank on the fixed slide 731, and the tip and the sliding tray fixed connection of first nut and first nut are located the holding tank, and first threaded rod is located the holding tank and first threaded rod rotates with the holding tank to be connected, and the holding tank is passed to the one end of first threaded rod and is connected with second hand wheel, first nut and first threaded rod threaded connection. The second hand wheel is rotated by external force, so that the first threaded rod can be rotated, and the first nut can move under the rotation of the first thread because the first threaded rod cannot move, so that the moving slide bar 732 is driven to move, and the lower tool rest 74, the upper tool rest 75 and the tool connecting frame are driven to move.

As an alternative embodiment, the second lateral adjustment mechanism 79 comprises a third hand wheel, a second threaded rod and a second nut, the upper tool holder 75 comprises a moving part 751 and a fixed part 752, the moving part 751 and the fixed part 752 are slidably connected, the second nut and the second threaded rod are both located inside the moving part 751, the second threaded rod is in threaded connection with the second nut, the second threaded rod is in rotational connection with the moving part 751, the end of the second nut is fixedly connected with the fixed part 752, and one end of the second threaded rod passes through the moving part 751 and is connected with the third hand wheel. External force rotates third hand wheel, can be so that the second threaded rod rotates, because the second nut can not remove, so the second threaded rod can remove relative second nut to drive removal portion 751 and remove, and then drive the cutter link and remove.

As an alternative embodiment, the second longitudinal adjustment mechanism 78 includes a balance plate 781, a first spring 782, a first support rod 783, a third threaded rod 784 and a first knob 785, the balance plate 781 is provided with a first connection hole, a second connection hole and a threaded hole, centers of the first connection hole, the second connection hole and the threaded hole are in the same straight line, the second connection hole is located between the first connection hole and the threaded hole, the first connection hole is connected with the bushing 83, in order to prevent the rotary knife holder 8 from being detached from the bushing 83, a nut is installed at one side of the bushing 83, such that the nut and the balance plate 781 press the rotary knife holder 8, one end of the first support rod 783 is connected with a side wall of the moving portion 751 of the upper knife holder 75, the other end of the first support rod 783 passes through the second connection hole, the first spring 782 is sleeved on the first support rod 783, one end of the first spring 782 abuts against the balance plate 781, the other end of the first spring 783 abuts against the other end of the first support rod 785, the other end of the third threaded rod 784 abuts against the threaded hole and the balance plate 781, the other end of the first spring 784 is moved to the position, and the first knob 788 is extended, the first screw hole is not compressed by the first knob 784, and the first knob 785, the first knob is moved to the first knob, the first knob may be moved to the position, and the first knob may be compressed by an external force, the first knob 785;

alternatively, the second longitudinal adjustment mechanism 78 includes a second knob 786, a fourth threaded rod 787, a second spring 788, a second supporting rod 789 and a guide post 910, the moving block 95 is provided with a first through hole, a second through hole and a third through hole, one end of the fourth threaded rod 787 is connected to the second knob 786, the other end of the fourth threaded rod 787 passes through the first through hole and abuts against a side wall of the moving portion 751 of the upper tool rest 75, the fourth threaded rod 787 is connected to the first through hole in a threaded manner, the second spring 788 is located in the second through hole, one end of the second supporting rod 789 passes through the second through hole and is connected to a side wall of the moving portion 751, one end of the guide post 910 passes through the third through hole and is connected to a side wall of the moving portion 751, the guide post is connected to the third through hole in a sliding manner, and the second knob 786 is rotated by an external force to rotate the fourth supporting rod 787, so that the moving block 95 is moved, that the moving tool rest 9 is moved, and the second spring 788 is compressed or extended.

As an alternative embodiment, the transmission mechanism includes a first transmission mechanism 20, a second transmission mechanism 30, a third transmission mechanism 40 and a fourth transmission mechanism 50, the first transmission mechanism 20 is connected with the gear on the gearbox 4 through a gear belt, the first transmission mechanism 20 is connected with the second transmission mechanism 30 through a first rotating shaft 60, the second transmission mechanism 30 and the third transmission mechanism 40 are connected through a second rotating shaft 70, the third transmission mechanism 40 and the fourth transmission mechanism 50 are connected through a third rotating shaft 80, and the fourth transmission mechanism 50 is connected with the tool connecting frame.

As an alternative embodiment, the first transmission mechanism 20 includes a first gear 201, a second gear 202, a third gear 203, a first steering wheel 204 and a second steering wheel 205, the first gear 201 is rotatably connected with the outer wall of the longitudinal slide box 71, the second gear 202 is rotatably connected with the outer wall of the lower tool post 74, the third gear 203 is located on the outer wall of the lower tool post 74, the third gear 203 is connected with the first bevel gear 301 through the first rotating shaft 60, the first steering wheel 204 and the second steering wheel 205 are both rotatably connected with the side wall of the longitudinal slide 72, the first gear 201, the second gear 202, the third gear 203, the first steering wheel 204 and the second steering wheel 205 are connected through a gear belt, and the distance between the first steering wheel 204 and the second steering wheel 205 is smaller than the distance between the second gear 202 and the third gear 203;

the fourth transmission mechanism 50 comprises a fourth gear 501, a fifth gear 502, a sixth gear 503, a third steering wheel 504 and a fourth steering wheel 505, the fourth gear 501 is positioned on the side wall of the fixing part 752 of the upper tool holder 75, the fourth gear 501 and the fourth conical gear 402 are connected through the third rotating shaft 80, the third steering wheel 504 and the fourth steering wheel 505 are rotatably connected with the side wall of the fixing part 752, the fifth gear 502 and the sixth gear 503 are rotatably connected with the side wall of the moving part 751 of the upper tool holder 75, the fourth gear 501, the fifth gear 502, the sixth gear 503, the third steering wheel 504 and the fourth steering wheel 505 are connected through a gear belt, and the distance between the third steering wheel 504 and the fourth steering wheel 505 is smaller than the distance between the fifth gear 502 and the sixth gear 503;

the fifth gear 502 is connected to the sleeve 83 via the first drive shaft 10 when the rotary blade carrier 8 is mounted, or the sixth gear 503 is connected to the adjustment wheel 97 via the second drive shaft 90 when the movable blade carrier 9 is mounted.

In an alternative embodiment, the second transmission mechanism 30 includes a first conical gear 301 and a second conical gear 302, the third transmission mechanism 40 includes a third conical gear 401 and a fourth conical gear 402, the first conical gear 301 and the second conical gear 302 are both located in the lower tool rest 74, the first conical gear 301 and the second conical gear 302 are in meshed connection, the first conical gear 301 and the third gear 203 are connected through the first rotating shaft 60, the third conical gear 401 and the fourth conical gear 402 are both located in the upper tool rest 75, the third conical gear 401 and the second conical gear 302 are connected through the second rotating shaft 70, and the fourth conical gear 402 and the fourth gear 501 are connected through the third rotating shaft 80.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A lathe is characterized by comprising a lathe bed support (1), a spindle box (2), a clutch (3), a gearbox (4), a chuck (5), a motor (6), a transmission mechanism, a moving mechanism (7) and a cutter connecting frame, wherein,

the spindle box (2), the clutch (3) and the gearbox (4) are all installed at the end of the lathe bed support (1), the motor (6) is in transmission connection with the spindle box (2), the chuck (5) is connected with an output shaft of the spindle box (2), the moving mechanism (7) is installed on a guide rail (11) of the lathe bed support (1), the spindle box (2), the clutch (3), the gearbox (4) and the transmission mechanism are in transmission connection in sequence, the transmission mechanism is arranged on the moving mechanism (7), the cutter connecting frame is connected with the transmission mechanism, and the moving mechanism (7) can adjust the position of the cutter connecting frame;

the cutter connecting frame is a rotary cutter frame (8), the rotary cutter frame (8) comprises a cutter head (81), a first cutter (82), a shaft sleeve (83) and a first driving shaft (10), the cutter head (81) is sleeved on the shaft sleeve (83), the shaft sleeve (83) is sleeved on the first driving shaft (10), the shaft sleeve (83) is in sliding connection with the first driving shaft (10), the first driving shaft (10) penetrates through the moving mechanism (7) to be connected with the transmission mechanism, a plurality of connecting cutter holes are formed in the circumferential side wall of the cutter head (81), the number of the first cutter (82) is multiple, the first cutter (82) is connected with the connecting cutter holes in a clamping mode, and the transmission mechanism can drive the first cutter (82) to do rotary motion;

or, the tool connecting frame is a moving tool holder (9), the moving tool holder (9) comprises a second tool (91), a tool bar (92), an abutting portion (93), a return spring (94), a moving block (95), a bearing (96), an adjusting wheel (97), an adjusting nut (98), a fixing bolt (99) and a second driving shaft (90), a central hole of the adjusting wheel (97) is connected with the second driving shaft (90) in a matching manner, the second driving shaft (90) penetrates through the moving mechanism (7) to be connected with the transmission mechanism, an eccentric groove of the adjusting wheel (97) is connected with the adjusting nut (98), the fixing bolt (99) penetrates through the bearing (96) to be connected with the adjusting nut (98) in a threaded manner, the fixing bolt (99) is connected with an inner ring of the bearing (96) in a matching manner, the moving block (95) is connected with the moving mechanism (7) through a guide pillar (910), the tool bar (92) penetrates through the tool bar (95) and the tool bar (92) is connected with the moving block (95) in a sliding manner, one end of the moving block (92) is connected with the abutting portion (91), and the other end of the tool bar (93) is connected with the outer ring of the abutting portion (93), and the bearing (93) is connected with the moving block (96), the reset spring (94) is sleeved on the cutter bar (92), the reset spring (94) is located between the moving block (95) and the abutting portion (93), and the transmission mechanism can drive the second cutter (91) to move.

2. The lathe according to claim 1, characterized in that the headstock (2) comprises a first gear set (21), a second gear set (22) and a third gear set (23), the first gear set (21), the second gear set (22) and the third gear set (23) are sequentially connected in a meshing manner, the first gear set (21) is connected with the motor (6) through a gear belt, the second gear set (22) is connected with the chuck (5) through an output shaft, and the third gear set (23) is connected with the clutch (3) through a gear belt;

the gearbox (4) comprises a fourth gear set (41), a fifth gear set (42), a box body (43), a transmission shaft (44), a moving sleeve, a gear, a first bearing and a connecting plate, wherein the fourth gear set (41) and the fifth gear set (42) are connected to the box body (43), the fourth gear set (41) and the fifth gear set (42) are meshed and connected, the box body (43) is installed at one end of the lathe bed support (1), the clutch (3) is connected with the fourth gear set (41) through a gear belt, the fifth gear set (42) is connected with one end of the transmission shaft (44), the other end of the transmission shaft (44) is rotatably connected with the other end of the lathe bed support (1), a moving groove is formed in the transmission shaft (44), a protruding strip is arranged in the moving sleeve, the moving sleeve is sleeved on the transmission shaft (44) and is slidably connected with the moving groove, the gear and the bearing are sleeved on the moving sleeve, the gear is connected with the transmission mechanism through the gear belt, and the first bearing is connected with the moving mechanism (7).

3. Lathe according to claim 1, characterized in that said moving means (7) comprise a longitudinal carriage (71), a longitudinal carriage (72), a transverse carriage (73), a lower carriage (74), an upper carriage (75), a first longitudinal adjustment means (76), a first transverse adjustment means (77), a second longitudinal adjustment means (78) and a second transverse adjustment means (79), said longitudinal carriage (71) being fixedly connected to said longitudinal carriage (72), said longitudinal carriage (72) being slidably connected to said guide (11), said first longitudinal adjustment means (76) passing through said longitudinal carriage (71) and being in engagement with a rack (12) on said lathe support (1), said longitudinal carriage (72), said transverse carriage (73) and said lower carriage (74) being connected in succession, said lower carriage (74) being rotatably connected to said upper carriage (75), said first transverse adjustment means (77) being connected to said transverse carriage (73), said second transverse adjustment means (79) being connected to the interior of said upper carriage (75) and said second longitudinal adjustment means (75).

4. Lathe according to claim 3, wherein the first longitudinal adjustment means (76) comprise a first hand wheel, a first connecting shaft and a mating gear, the first hand wheel and the mating gear being connected to the ends of the first connecting shaft, respectively, the first connecting shaft passing through the longitudinal carriage (71) and being rotatably connected to the longitudinal carriage (71), the mating gear being in meshing connection with the toothed rack (12).

5. The lathe according to claim 3, wherein the cross slide (73) comprises a fixed slide (731) and a movable slide (732), the movable slide (732) is provided with a slide groove, the fixed slide (731) is fixedly connected with the longitudinal slide (72), the movable slide (732) is fixedly connected with the lower tool rest (74), the fixed slide (731) is positioned in the slide groove, and the fixed slide (731) is slidably connected with the slide groove;

first horizontal adjustment mechanism (77) includes second hand wheel, first threaded rod and first nut, be provided with the holding tank on fixed slide (731), the tip of first nut with sliding tray fixed connection just first nut is located in the holding tank, first threaded rod is located in the holding tank just first threaded rod with the holding tank rotates to be connected, the one end of first threaded rod is passed the holding tank and with the second hand wheel is connected, first nut with first threaded rod threaded connection.

6. The lathe according to claim 3, characterized in that said second transverse adjustment means (79) comprise a third hand wheel, a second threaded rod and a second nut, said upper tool holder (75) comprising a mobile part (751) and a fixed part (752), said mobile part (751) and said fixed part (752) being slidingly connected, said second nut and said second threaded rod being each located inside said mobile part (751), said second threaded rod being in threaded connection with said second nut, said second threaded rod being in rotational connection with said mobile part (751), the end of said second nut being in fixed connection with said fixed part (752), one end of said second threaded rod passing through said mobile part (751) and being connected with said third hand wheel.

7. A lathe according to claim 3, wherein the second longitudinal adjustment mechanism (78) comprises a balance plate (781), a first spring (782), a first support rod (783), a third threaded rod (784) and a first knob (785), wherein the balance plate (781) is provided with a first connecting hole, a second connecting hole and a threaded hole, the centers of the first connecting hole, the second connecting hole and the threaded hole are on the same straight line, the second connecting hole is positioned between the first connecting hole and the threaded hole, the first connecting hole is connected with the shaft sleeve (83), one end of the first support rod (783) is connected with the side wall of the moving part (751) of the upper tool holder (75), the other end of the first support rod (783) passes through the second connecting hole, the first spring (782) is sleeved on the first support rod (783), one end of the first spring (782) abuts against the balance plate (781), the other end of the first spring (782) abuts against the other end of the first support rod (783), the other end of the first spring (784) abuts against the side wall of the threaded rod (751), and the other end of the threaded rod (785) is connected with the threaded hole (751);

or, the second longitudinal adjustment mechanism (78) includes a second knob (786), a fourth threaded rod (787), a second spring (788), a second support rod (789) and the guide post (910), the moving block (95) is provided with a first through hole, a second through hole and a third through hole, one end of the fourth threaded rod (787) is connected to the second knob (786), the other end of the fourth threaded rod (787) passes through the first through hole and abuts against a side wall of the moving portion (751) of the upper tool holder (75), the fourth threaded rod (787) is in threaded connection with the first through hole, the second spring (788) is located in the second through hole, one end of the second support rod (789) passes through the second through hole and is connected to a side wall of the moving portion (751), one end of the guide post (910) passes through the third through hole and is in threaded connection with the moving portion (751), and the guide post (910) is in sliding connection with the third through hole.

8. Lathe according to claim 3, wherein the transmission comprises a first transmission (20), a second transmission (30), a third transmission (40) and a fourth transmission (50), the first transmission (20) is connected with a gear on the gearbox (4) through a gear belt, the first transmission (20) is connected with the second transmission (30) through a first rotating shaft (60), the second transmission (30) is connected with the third transmission (40) through a second rotating shaft (70), the third transmission (40) is connected with the fourth transmission (50) through a third rotating shaft (80), and the fourth transmission (50) is connected with the tool connecting frame.

9. Lathe according to claim 8, wherein the first transmission mechanism (20) comprises a first gear (201), a second gear (202), a third gear (203), a first steering wheel (204) and a second steering wheel (205), the first gear (201) is in rotational connection with the outer wall of the longitudinal carriage (71), the second gear (202) is in rotational connection with the outer wall of the lower carriage (74), the third gear (203) is located on the outer wall of the lower carriage (74) and the third gear (203) is connected with the second transmission mechanism (30) through the first rotating shaft (60), the first steering wheel (204) and the second steering wheel (205) are in rotational connection with the side wall of the longitudinal carriage (72), and the first gear (201), the second gear (202), the third gear (203), the first steering wheel (204) and the second steering wheel (205) are connected through a gear belt;

the fourth transmission mechanism (50) comprises a fourth gear (501), a fifth gear (502), a sixth gear (503), a third steering wheel (504) and a fourth steering wheel (505), the fourth gear (501) is positioned on the side wall of a fixed part (752) of the upper tool rest (75), the fourth gear (501) is connected with the third transmission mechanism (40) through the third rotating shaft (80), the third steering wheel (504) and the fourth steering wheel (505) are both rotationally connected with the side wall of the fixed part (752), the fifth gear (502) and the sixth gear (503) are both rotationally connected with the side wall of a moving part (751) of the upper tool rest (75), and the fourth gear (501), the fifth gear (502), the sixth gear (503), the third steering wheel (504) and the fourth steering wheel (505) are connected through a gear belt;

the fifth gear (502) is connected with the shaft sleeve (83) through the first driving shaft (10), or the sixth gear (503) is connected with the adjusting wheel (97) through the second driving shaft (90).

10. Lathe according to claim 9, wherein said second transmission means (30) comprises a first conical gear (301) and a second conical gear (302), said third transmission means (40) comprises a third conical gear (401) and a fourth conical gear (402), said first conical gear (301) and said second conical gear (302) being located in said lower tool carrier (74) and said first conical gear (301) and said second conical gear (302) being in meshing engagement, said first conical gear (301) being connected to said third gear (203) by said first spindle (60), said third conical gear (401) and said fourth conical gear (402) being located in said upper tool carrier (75), said third conical gear (401) being connected to said second conical gear (302) by said second spindle (70), said fourth conical gear (402) being connected to said fourth gear (501) by said third spindle (80).

Images