CN212526801U

CN212526801U - Turning and milling composite machine tool

Info

Publication number: CN212526801U
Application number: CN202021207999.4U
Authority: CN
Inventors: 梁小平
Original assignee: Wenling Zhongtian Automation Equipment Co Ltd
Current assignee: Wenling Zhongtian Automation Equipment Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-12
Anticipated expiration: 2030-06-24

Abstract

The utility model provides a turn-milling composite machine tool belongs to lathe technical field. The turning and milling combined machine tool solves the problems that the existing turning and milling combined machine tool is large in equipment, loose in structural distribution, large in space occupancy rate, low in automation degree and low in machining efficiency. This turning and milling compound lathe, the power distribution box comprises a box body, unable adjustment base is transversely installed at the box top, the headstock that supplies the bar work piece to stretch into is installed at the unable adjustment base top, it supplies the bar work piece to stretch into and rotatable main shaft to be equipped with in the headstock, the back tip of headstock is provided with and supplies the bar work piece to stretch into and promote the gyration hydro-cylinder that this bar work piece got into in the main shaft, the opposite side that the box top is located the headstock still is provided with the feeding mechanism who sends the bar work piece into the headstock. The utility model has the advantages of degree of automation is high, and the processing range is wide, and machining efficiency is high and the space is saved.

Description

Turning and milling composite machine tool

Technical Field

The utility model belongs to the technical field of the lathe, a turn-milling composite machine tool is related to.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The numerical control machine tool can process a plurality of bar workpieces, wherein the processing comprises the processing of a screwdriver, and the processing process of the screwdriver comprises turning and milling procedures, but the traditional numerical control machine tool or the traditional numerical control milling machine has only a single turning or milling function and cannot meet the requirements of complex and multifunctional in the current society. Therefore, part of turning and milling composite machine tools appear in the current market, the turning and milling composite machine tools on the current market have high system requirements and high price, the composite machine tools in the current market are huge in equipment, loose in structural distribution and large in space occupancy rate, in addition, the composite machine tools do not have feeding devices, most of the composite machine tools are manually fed, the automation degree is not complete, the working efficiency is low, and the machining efficiency is low.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a turn-milling composite machine tool that degree of automation is high, space is saved and machining efficiency and work efficiency are high.

The purpose of the utility model can be realized by the following technical proposal: a turning and milling combined machine tool comprises a box body and is characterized in that a fixed base is transversely installed at the top of the box body, a spindle box into which a bar workpiece extends is installed at the top of the fixed base, a spindle shaft which can be used for the bar workpiece to extend and rotate is assembled in the spindle box, a rotary oil cylinder which can be used for the bar workpiece to extend and push the bar workpiece to enter the spindle is arranged at the rear end of the spindle box, the rotary oil cylinder can also control the spindle to rotate, the front end of the spindle penetrates out of the spindle box and is fixed by a plurality of fixed covers, a carriage assembly capable of reciprocating back and forth and left and right is further installed on one side of the spindle box on the fixed base, a lathe tool rest and a milling cutter shaft which are used for turning and processing the bar workpiece are respectively installed on the carriage assembly, a first servo motor for controlling the carriage assembly to reciprocate left and right and a second servo motor for controlling the carriage assembly to reciprocate back and forth, the feeding mechanism is characterized in that a mounting hole for mounting and placing a servo motor is formed between the bottom of the spindle box and the fixed base, and a feeding mechanism for feeding a bar workpiece into the spindle box is further arranged on the other side, located on the spindle box, of the top of the box body.

In the turning and milling combined machine tool, the feeding mechanism consists of a fixed cross rod, a fixed partition plate, a fixed strut, a feeding block, a cushion block, a fixed support, a pressing plate and a stepping motor, the feeding block is positioned at a position close to one end of a rotary oil cylinder, the feeding block is provided with a V-shaped groove which is correspondingly arranged at one end of the rotary oil cylinder and used for placing a bar workpiece, the cushion block is arranged at the bottom of the feeding block and used for installing the feeding block, the fixed support and the pressing plate are positioned between a box body and the cushion block and used for supporting the feeding block, one end of the fixed cross rod is fixedly connected with the side part of the fixed support, the other end of the fixed cross rod is supported by the fixed strut, a fixed shaft sleeve which can be stretched into the bar workpiece is arranged in the feeding block, two ends of the fixed shaft sleeve respectively stretch out of the feeding, the feeding block can be controlled by a stepping motor to reciprocate left and right to feed a bar workpiece into a V-shaped groove on the feeding block, the stepping motor controls the feeding block to reciprocate left and right through a ball screw assembly consisting of a ball screw, a nut seat and a supporting seat, the feeding block is arranged at the top of the nut seat, the nut seat is matched with the ball screw and can reciprocate left and right along the top of a fixed cross rod, the supporting seat is two positions which are respectively positioned at two ends of the ball screw and used for fixing the ball screw, a linear guide rail for the nut seat to reciprocate left and right is arranged between the fixed cross rod and the nut seat, a supporting rod is arranged at the position, close to the fixed support, at the top of the fixed cross rod, the top of the supporting rod vertically extends to the position corresponding to the feeding block, and a through hole for the bar workpiece to penetrate through is formed at the top of the supporting rod, the feeding mechanism is characterized in that a fixing block for enabling a bar workpiece to penetrate out is arranged between one side of the top of the supporting rod and the feeding block, the two fixing partition plates are respectively located on two sides of the fixing transverse plate and used for connecting the fixing transverse plate and the fixing support together, and a shell which is hidden in the feeding mechanism is arranged outside the feeding mechanism.

In the turning and milling combined machine tool, the feeding block can also reciprocate left and right under the control of a hydraulic motor, and the hydraulic motor controls the feeding block to reciprocate left and right through a belt pulley assembly.

In the turning and milling combined machine tool, the feeding mechanism consists of a supporting frame underframe, a transverse fixing pipe, an upper fixing plate, a lower fixing plate, a feeding block, a push rod, a fixing plate block and a driving cylinder, the supporting frame underframe is arranged at the top of the box body and is positioned at a position close to the rotary cylinder, the transverse fixing pipe is arranged at the top of the supporting frame underframe, the upper fixing plate and the lower fixing plate are connected through the fixing column and are arranged at the top of the transverse fixing pipe and are close to the rotary cylinder, the feeding block is arranged at the top of the upper fixing plate and is positioned at a position close to one end of the rotary cylinder, the feeding block is provided with a V-shaped groove which is arranged corresponding to one end of the rotary cylinder and is used for placing a bar workpiece, the push rod is arranged at a position close to the V-shaped groove in the feeding block, and the push rod is controlled by the driving cylinder to reciprocate leftwards and rightwards to push the bar workpiece, the outer end part of the push rod is fixedly connected with a moving block capable of reciprocating left and right, the fixed block is fixedly installed at the front end part of the moving block and is controlled by a driving cylinder to reciprocate left and right, a linear guide rail for enabling the moving block to reciprocate left and right is arranged between the moving block and the transverse fixed pipe, and a shell for hiding the feeding mechanism is arranged outside the feeding mechanism.

In the turning and milling combined machine tool, a variable frequency motor is further arranged on the box body at a position close to the feeding mechanism.

In the turning and milling combined machine tool, the carriage assembly consists of an upper carriage and a lower carriage, the lower carriage is controlled by a servo motor I to reciprocate left and right along the top of the fixed base, and the upper carriage is controlled by a servo motor II to reciprocate front and back along the top of the lower carriage.

In the turning and milling combined machine tool, the milling cutter shaft is provided with a milling cutter shaft box for installation, a milling cutter upright post for installation of the milling cutter shaft box is fixed at the position, corresponding to the milling cutter shaft box, on the top of the upper dragging plate, a servo motor III capable of controlling the rotation of the milling cutter shaft is further arranged at the position close to the milling cutter upright post, and the servo motor III controls the rotation of the milling cutter shaft through the synchronous pulley assembly.

In the turning and milling combined machine tool, the first servo motor and the second servo motor respectively control the movement of the lower carriage and the upper carriage through the screw rod assembly.

In the turning and milling combined machine tool, the chip removal groove is formed in the top of the box body and is located below the lathe tool rest and the milling cutter shaft, and a chip removal funnel which is obliquely arranged is installed in the chip removal groove.

In the turning and milling combined machine tool, the box body is further provided with an outer casing.

Compared with the prior art, the composite milling machine tool has the following advantages:

1. the first servo motor is arranged at the bottom of the spindle box, and compared with a traditional motor arranged outside a machine tool, the first servo motor has the advantage of saving space;

2. the turning and milling are combined to form a combined machine tool, so that the automation degree is high, the processing range is wide, and the processing efficiency is high;

3. a rotary oil cylinder is additionally arranged, so that the working efficiency is improved according to the characteristics of the rotary oil cylinder, and the processing efficiency is improved;

4. the multi-type feeding mechanism realizes the effect of automatic feeding, releases manpower and improves the processing efficiency.

Drawings

Fig. 1 is a schematic perspective view of the milling machine.

Fig. 2 is a schematic perspective view of the milling machine with the outer casing removed.

Fig. 3 is a schematic perspective view of the milling machine with a housing removed.

Fig. 4 is a schematic perspective view of a feeding mechanism in a second embodiment of the present milling machine.

Fig. 5 is a partial structural schematic diagram of the present milling composite machine tool.

In the figure, 1, a box body; 2. a fixed base; 3. a main spindle box; 4. a main shaft; 5. a rotary oil cylinder; 6. a lathe carriage; 7. milling a cutter shaft; 8. a first servo motor; 9. a servo motor II; 10. mounting holes; 11. an outer casing; 12. a variable frequency motor; 13. an upper carriage; 14. a lower carriage; 15. a milling cutter shaft box; 16. milling cutter upright columns; 17. a servo motor III; 18. fixing the cross bar; 19. fixing the partition board; 20. fixing a strut; 21. a feeding block; 22. a material feeding block; 23. cushion blocks; 24. fixing a bracket; 25. pressing a plate; 26. a stepping motor; 27. v-shaped grooving; 28. fixing the shaft sleeve; 29. a ball screw; 30. a nut seat; 31. a supporting seat; 32. a linear guide rail; 33. a strut; 34. a fixed block; 35. a housing; 36. a frame supporting underframe; 37. transversely fixing the tube; 38. an upper fixing plate; 39. a lower fixing plate; 40. a push rod; 41. fixing the plate; 42. a driving cylinder; 43. a moving block; 44. a chip groove; 45. a chip removal funnel; 46. and (4) protecting the plate.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4 and 5, the composite milling machine comprises a box body 1, a fixed base 2 is transversely installed on the top of the box body 1, a main shaft box 3 for a bar workpiece to extend into is installed on the top of the fixed base 2, a main shaft 4 for the bar workpiece to extend into and to rotate is assembled in the main shaft box 3, a rotary oil cylinder 5 for the bar workpiece to extend into and to push the bar workpiece into the main shaft 4 is arranged at the rear end of the main shaft box 3, the rotary oil cylinder 5 can also control the main shaft 4 to rotate, and according to the characteristics of the rotary oil cylinder 5, the rotary oil cylinder 5 has two mechanical actions, one is to do rotary motion around a shaft, and the other is to do axial motion on a piston rod in the rotary oil cylinder 5, the rotary motion around the shaft can drive the main shaft 4 in the composite machine tool to rotate together, and the piston rod can provide pulling force and pushing force to push the axial stroke of a bar stock. The bar workpiece passes through a rotary oil cylinder 5 and a main shaft 4 in sequence and finally penetrates out of the main shaft 4, the rotary oil cylinder 5 drives the main shaft 4 to rotate so as to drive the bar workpiece in the main shaft 4 to rotate, the front end part of the main shaft 4 penetrates out of the main shaft box 3 and is fixed by a plurality of fixing covers, a planker component capable of reciprocating back and forth and left and right is also arranged on one side of the main shaft box 3 on a fixed base 2, a lathe tool rest 6 and a milling cutter shaft 7 for turning and milling the bar workpiece are respectively arranged on the planker component, a servo motor I8 for controlling the planker component to reciprocate left and right and a servo motor II 9 for controlling the planker component to reciprocate back and forth are arranged on the top of a box body 1, a mounting hole 10 for mounting and placing the servo motor I8 is formed between the bottom of the main shaft box 3 and the fixed base, the top of the box body 1 is positioned at the other side of the main shaft box 3 and is also provided with a feeding mechanism for feeding a bar workpiece into the main shaft box 3, a rotary motor drives the main shaft 4 to rotate, the bar workpiece positioned in the main shaft 4 rotates, the positions of a lathe tool rest 6 and a milling cutter shaft 7 are adjusted through the cross motion of a carriage assembly, then the bar workpiece is subjected to the machining and milling through the lathe tool rest 6 and the milling cutter shaft 7, the lathe and the milling machine are combined into one machine tool, the machining efficiency is improved, the occupied area caused by two traditional machine tools is saved, the box body 1 is also provided with an outer housing 11, the outer housing 11 hides parts such as the main shaft box 3, the carriage assembly and the like inside, the working personnel are separated from the machining area during machining, the accidents are prevented, the safety is improved, a variable frequency motor 12 is also arranged at the position, close to the feeding mechanism, on the box body 1, and the, the lower dragging plate 14 is controlled by a servo motor I8 to reciprocate left and right along the top of the fixed base 2, the upper dragging plate 13 is controlled by a servo motor II 9 to reciprocate front and back along the top of the lower dragging plate 14, a milling cutter shaft box 15 for mounting the milling cutter shaft box is arranged on the milling cutter shaft 7, a milling cutter upright 16 for mounting the milling cutter shaft box 15 is fixed at the position, corresponding to the milling cutter shaft box 15, of the top of the upper dragging plate 13, a servo motor III 17 capable of controlling the milling cutter shaft 7 to rotate is further arranged at the position, close to the milling cutter upright 16, the servo motor III 17 controls the milling cutter shaft 7 to rotate through a synchronous pulley assembly, the servo motor I8 and the servo motor II 9 respectively control the movement of the lower dragging plate 14 and the upper dragging plate 13 through a lead screw assembly, a linear guide rail 32 for moving the upper dragging plate 13 is arranged between the upper dragging plate 13 and the lower.

As shown in fig. 3, the feeding mechanism comprises a fixed cross bar 18, a fixed partition plate 19, a fixed support column 20, a feeding block 21, a feeding block 22, a cushion block 23, a fixed support 24, a pressing plate 25 and a stepping motor 26, wherein the feeding block 22 is located at a position close to one end of the rotary cylinder 5, a V-shaped slot 27 which is arranged corresponding to one end of the rotary cylinder 5 and used for placing a bar workpiece is formed in the feeding block 22, the cushion block 23 is arranged at the bottom of the feeding block 22 and used for installing and placing the same, the fixed support 24 and the pressing plate 25 are both located between the box body 1 and the cushion block 23 and used for supporting the feeding block 22, one end of the fixed cross bar 18 is fixedly connected with the side of the fixed support 24, the other end of the fixed cross bar is supported by the fixed support column 20, a fixed shaft sleeve 28 which can be inserted by the bar workpiece is arranged in the feeding block 21, two ends of the fixed shaft sleeve 28 respectively extend out of the feeding block 21 and fix the fixed In the V-shaped slot 27, the stepping motor 26 controls the left and right reciprocating movement of the feeding block 21 through a ball screw assembly consisting of a ball screw 29, a nut seat 30 and a supporting seat 31, the feeding block 21 is installed at the top of the nut seat 30, the nut seat 30 is matched with the ball screw 29 and can reciprocate left and right along the top of the fixed cross bar 18, the supporting seat 31 is two positions which are respectively positioned at two ends of the ball screw 29 and are used for fixing the ball screw 29, a linear guide rail 32 for the left and right reciprocating movement of the nut seat 30 is arranged between the fixed cross bar 18 and the nut seat 30, a supporting rod 33 is arranged at the position, close to the fixed support 24, at the top of the fixed cross bar 18, the top of the supporting rod 33 vertically extends to the position corresponding to the feeding block 22, a through hole for a bar workpiece to penetrate through is arranged at the top of the supporting rod 33, a fixed block 34, the two fixed partition plates 19 are respectively positioned on two sides of the fixed transverse plate and used for connecting the fixed transverse plate with the fixed support 24, the feeding mechanism is externally provided with a shell 25 which hides the fixed transverse plate in the shell, a stepping motor 26 is started, a screw rod is driven to rotate through the stepping motor 26, so that a nut seat 30 matched with the screw rod moves, a feeding block 21 is driven to move, a bar workpiece is brought into the V-shaped groove 27 through the feeding block 21, and the feeding block 21 is continuously pushed to push the bar workpiece positioned in the V-shaped groove 27 into the rotary oil cylinder 5 to complete feeding.

Preferably, the feeding block 21 can also be controlled by a hydraulic motor to reciprocate left and right, and the hydraulic motor controls the feeding block 21 to reciprocate left and right through a belt pulley assembly.

As shown in fig. 4, the feeding mechanism comprises a supporting frame underframe 36, a transverse fixed pipe 37, an upper fixed plate 38, a lower fixed plate 39, a feeding block 22, a push rod 40, a fixed plate block 41 and a driving cylinder 42, wherein the supporting frame underframe 36 is mounted at the top of the box body 1 and is positioned at a position close to the rotary cylinder 5, the transverse fixed pipe 37 is mounted at the top of the supporting frame underframe 36, the upper fixed plate 38 and the lower fixed plate 39 are connected through a fixed column and are arranged at the top of the transverse fixed pipe 37 and close to the rotary cylinder 5, the feeding block 22 is mounted at the top of the upper fixed plate 38 and is positioned at a position close to one end of the rotary cylinder 5, the feeding block 22 is provided with a V-shaped slot 27 which is arranged corresponding to one end of the rotary cylinder 5 and is used for placing a bar workpiece, the push rod 40 is arranged at a position close to the V-shaped slot 27 in the feeding block 22, the push rod 40 is controlled by the, a moving block 43 capable of reciprocating left and right is fixedly connected to the outer end portion of the push rod 40, the fixed plate 41 is fixedly mounted on the front end portion of the moving block 43 and is controlled to reciprocate left and right by the driving cylinder 42, a cylinder rod of the driving cylinder 42 extends into the fixed plate 41 to control the fixed plate 41 to reciprocate left and right, a linear guide rail 32 for enabling the moving block 43 to reciprocate left and right is arranged between the moving block 43 and the transverse fixing pipe 37, the feeding mechanism is externally provided with a shell 25 hiding the feeding mechanism in the feeding mechanism, and the feeding mechanism is also supported by the fixing support column 20. And starting the driving cylinder 42, driving the driving cylinder 42 to drive the fixed plate 41 to move, driving the fixed plate 41 to drive the moving block 43 to move, driving the push rod 40 to move by the moving block 43, and pushing the bar workpiece on the V-shaped groove 27 into the rotary oil cylinder 5 by the push rod 40 to complete automatic feeding.

In more detail, a chip removal groove 44 is formed in the top of the box body 1 and located below the lathe tool rest 6 and the milling cutter shaft 7, a chip removal funnel 45 which is obliquely arranged is installed in the chip removal groove 44, and processed and splashed waste chips directly fall onto the chip removal funnel 45 through the chip removal groove 44 and slide down along the chip removal funnel 45 to be discharged out of the machine tool.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a turning and milling combined machine tool, includes box (1), its characterized in that, box (1) top transversely install unable adjustment base (2), unable adjustment base (2) top install and supply the headstock (3) that the bar work piece stretched into, headstock (3) in be equipped with supply the bar work piece to stretch into and rotatable main shaft (4), the rear end of headstock (3) is provided with and supplies the bar work piece to stretch into and promote this bar work piece to get into rotary cylinder (5) in main shaft (4), this rotary cylinder (5) still can control main shaft (4) and rotate, the preceding tip of this main shaft (4) is worn out outside headstock (3) and is fixed it through a plurality of fixed lids, unable adjustment base (2) on one side that lies in headstock (3) still install the planker subassembly that can be around and control reciprocating motion, the planker subassembly on install respectively and be used for turning and milling the bar work piece, The milling lathe tool rest (6) and the milling cutter shaft (7) are milled, the top of the box body (1) is provided with a first servo motor (8) for controlling the carriage assembly to reciprocate leftwards and rightwards and a second servo motor (9) for controlling the carriage assembly to reciprocate forwards and backwards, a mounting hole (10) for mounting and placing the first servo motor (8) is formed between the bottom of the main shaft box (3) and the fixed base (2), and the other side, located on the main shaft box (3), of the top of the box body (1) is further provided with a feeding mechanism for feeding a bar workpiece into the main shaft box (3).

2. The turning and milling combined machine tool according to claim 1, wherein the feeding mechanism consists of a fixed cross rod (18), a fixed partition plate (19), a fixed support column (20), a feeding block (21), a feeding block (22), a cushion block (23), a fixed support (24), a pressing plate (25) and a stepping motor (26), the feeding block (22) is positioned at a position close to one end of a rotary oil cylinder (5), the feeding block (22) is provided with a V-shaped groove (27) which is correspondingly arranged with one end of the rotary oil cylinder (5) and used for placing a bar workpiece, the cushion block (23) is arranged at the bottom of the feeding block (22) and used for installing and placing the bar workpiece, the fixed support (24) and the pressing plate (25) are both positioned between a box body (1) and the cushion block (23) and used for supporting the feeding block (22), one end of the fixed cross rod (18) is fixedly connected with the side part of the fixed support (24), the other end of the feeding block (21) is supported by a fixed support post (20), a fixed shaft sleeve (28) which can be inserted by a bar workpiece is arranged in the feeding block (21), two ends of the fixed shaft sleeve (28) respectively extend out of the feeding block (21) and fix the fixed shaft sleeve (28) by a fixed disc, the feeding block (21) can be controlled by a stepping motor (26) to reciprocate left and right to feed the bar workpiece into a V-shaped groove (27) on the feeding block (22), the stepping motor (26) controls the feeding block (21) to reciprocate left and right by a ball screw rod (29) assembly consisting of a ball screw rod (29), a nut seat (30) and a supporting seat (31), the feeding block (21) is arranged at the top of the nut seat (30), the nut seat (30) is matched with the ball screw rod (29) and can reciprocate left and right along the top of a fixed cross rod (18), the supporting seat (31) comprises two positions which are respectively arranged at two ends of the ball screw (29) and used for fixing the ball screw (29), a linear guide rail (32) for the nut seat (30) to reciprocate left and right is arranged between the fixed cross rod (18) and the nut seat (30), a supporting rod (33) is arranged at a position, close to the fixed support (24), of the top of the fixed cross rod (18), the top of the supporting rod (33) vertically extends to a position corresponding to the feeding block (22), a through hole for the bar workpiece to penetrate out is formed in the top of the supporting rod (33), fixed blocks (34) for the bar workpiece to penetrate out are arranged on one side of the top of the supporting rod (33) and between the supporting rod (33) and the feeding block (22), and the fixed partition plates (19) are two and are respectively arranged at two sides of the fixed transverse plate and used for connecting the fixed transverse plate with the fixed support (24), the feeding mechanism is externally provided with an outer shell (35) which hides the feeding mechanism inside.

3. A turning and milling combined machine tool according to claim 2, characterized in that the feed block (21) can also be controlled to reciprocate left and right by a hydraulic motor, and the hydraulic motor controls the feed block (21) to reciprocate left and right by a belt pulley assembly.

4. The turning and milling combined machine tool according to claim 1, wherein the feeding mechanism comprises a supporting frame underframe (36), a transverse fixing pipe (37), an upper fixing plate (38), a lower fixing plate (39), a feeding block (22), a push rod (40), a fixing plate block (41) and a driving cylinder (42), the supporting frame underframe (36) is mounted at the top of the box body (1) and is located at a position close to the rotary cylinder (5), the transverse fixing pipe (37) is mounted at the top of the supporting frame underframe (36), the upper fixing plate (38) and the lower fixing plate (39) are connected through fixing columns and are arranged at the top of the transverse fixing pipe (37) and are close to the rotary cylinder (5), the feeding block (22) is mounted at the top of the upper fixing plate (38) and is located at a position close to one end of the rotary cylinder (5), and a bar workpiece is arranged on the feeding block (22) correspondingly to one end of the rotary cylinder (5) and is placed on the feeding block The feeding mechanism comprises a V-shaped groove (27), a push rod (40) is arranged at a position close to the V-shaped groove (27) in a feeding block (22), the push rod (40) is controlled by a driving cylinder (42) to reciprocate left and right and is used for pushing a bar workpiece positioned on the V-shaped groove (27) into a rotary oil cylinder (5), a moving block (43) capable of reciprocating left and right is fixedly connected to the outer end of the push rod (40), a fixed plate block (41) is fixedly mounted at the front end of the moving block (43) and controlled by the driving cylinder (42) to reciprocate left and right, a linear guide rail (32) for enabling the moving block (43) to reciprocate left and right is arranged between the moving block (43) and a transverse fixed pipe (37), and a shell (35) hiding the feeding mechanism in the feeding mechanism is arranged outside the feeding mechanism.

5. The turning and milling combined machine tool according to claim 1, characterized in that a variable frequency motor (12) is further arranged on the box body (1) at a position close to the feeding mechanism.

6. The turning and milling combined machine tool according to claim 1, wherein the carriage assembly comprises an upper carriage (13) and a lower carriage (14), the lower carriage (14) is controlled by a servo motor I (8) to reciprocate left and right along the top of the fixed base (2), and the upper carriage (13) is controlled by a servo motor II (9) to reciprocate front and back along the top of the lower carriage (14).

7. The turning and milling combined machine tool according to claim 6, wherein the milling cutter shaft (7) is provided with a milling cutter shaft box (15) for mounting the milling cutter shaft box, a milling cutter upright post (16) for mounting the milling cutter shaft box (15) is fixed at a position on the top of the upper dragging plate (13) corresponding to the milling cutter shaft box (15), a servo motor III (17) capable of controlling the rotation of the milling cutter shaft (7) is further arranged at a position close to the milling cutter upright post (16), and the servo motor III (17) controls the rotation of the milling cutter shaft (7) through a synchronous belt wheel assembly.

8. The turning and milling combined machine tool according to claim 4, characterized in that the first servo motor (8) and the second servo motor (9) respectively control the movement of the lower carriage (14) and the upper carriage (13) through a screw rod assembly.

9. The turning and milling combined machine tool according to claim 1, characterized in that a chip removal groove (44) is formed in the top of the box body (1) below the lathe tool rest (6) and the milling cutter shaft (7), and a chip removal funnel (45) which is obliquely arranged is installed in the chip removal groove (44).

10. A turning and milling compound machine according to claim 1, characterized in that the housing (1) is also provided with an outer casing (11).