CN110640539A

CN110640539A - Structure of five-axis turning and milling composite center

Info

Publication number: CN110640539A
Application number: CN201911062371.1A
Authority: CN
Inventors: 田潇雅
Original assignee: Individual
Current assignee: WENLING DAZHONG PRECISION MACHINERY CO Ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-01-03

Abstract

The invention discloses a five-axis turn-milling composite center structure, which comprises a base, a cutting system and a positioning system, wherein the cutting system is arranged on the base and used for cutting a product, the positioning system is arranged on the base and used for positioning the product, the base is provided with a chip removal structure, and the chip removal structure is positioned below the positioning system; the chip removal structure includes the chip removal mouth that runs through the base downwards, to the chip removal lateral wall of chip removal mouth slope, set up the support bridge on the chip removal lateral wall, positioning system installs on the support bridge. This design adopts the support bridge to support positioning system, and the chip removal mouth cooperates the chip removal lateral wall of slope, makes the piece of dispersion can concentrate on the chip removal mouth, recycles gravity discharge base. The whole chip removal structure is of a pure structure design, chips are removed by utilizing gravity, and no additional device or equipment is arranged, so that the cost of the whole machine tool base cannot be increased, but the chip removal effect is obvious.

Description

Structure of five-axis turning and milling composite center

Technical Field

The present invention relates to machining equipment.

Background

The machine tool is characterized in that chips generated by milling products or cutting products by a cutter are accumulated on the machine tool, and the processing of the products by the cutter is influenced, for example, the chips are positioned on a product positioning table top and influence the positioning precision of the products; the cutter contacts the chippings and brings the chippings between the cutter and the milling surface of the product to damage the surface of the product; debris enters gaps between machine tool parts and affects the normal operation of the machine tool.

Disclosure of Invention

The technical problems solved by the invention are as follows: the chip can be effectively removed by designing the structure of the machine tool.

In order to solve the technical problems, the invention provides a five-axis turning and milling composite center structure which comprises a base, a cutting system and a positioning system, wherein the cutting system is arranged on the base and used for cutting a product, the positioning system is arranged on the base and used for positioning the product, the base is provided with a chip removal structure, and the chip removal structure is positioned below the positioning system; the chip removal structure includes the chip removal mouth that runs through the base downwards, to the chip removal lateral wall of chip removal mouth slope, set up the support bridge on the chip removal lateral wall, positioning system installs on the support bridge.

Generally, as is known, a bridge is provided with a bridge opening, a positioning system is mainly supported on a supporting bridge, chips generated by cutting a product by a cutting system fall to a chip removal side wall, and the chips on the chip removal side wall around a chip removal port intensively slide down towards the chip removal port due to the inclination of the chip removal side wall, pass through the bridge opening and fall into the chip removal port. A collecting barrel is arranged below the chip discharging port and used for receiving chips falling from the chip discharging port.

According to the invention, the supporting bridge is adopted to support the positioning system, and the chip removal port is matched with the inclined chip removal side wall, so that dispersed chips can be concentrated in the chip removal port and then are discharged out of the base by using gravity. The whole chip removal structure is of a pure structure design, chips are removed by utilizing gravity, and no additional device or equipment is arranged, so that the cost of the whole machine tool base cannot be increased, but the chip removal effect is obvious.

Drawings

The invention is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a five-axis turn-milling compound center configuration;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic view of the base 10;

FIG. 4 is an exploded view of the cutting system 20;

fig. 5 is a schematic view of the positioning system 30 of fig. 2 viewed from below.

The symbols in the drawings illustrate that:

10. a base; 11. a cutting system mount; 12. a right sidewall of the cutting system mount; 13. a fence;

20. a cutting system; 21. a vertical support; 22. a lifting seat; 23. a first screw mechanism; 24. a tool spindle; 25. a first motor; 26. a belt; 260. a pulley; 27. a balancing weight; 28. the guide rail is arranged on the vertical bracket and is matched with the sliding block arranged on the lifting seat;

30. a positioning system; 31. a longitudinal displacement mechanism; 311. a longitudinal displacement seat; 312. a second screw mechanism; 313. a second motor; 314. a slide rail; 315. the support of the second screw rod mechanism is connected with the support block on the base;

32. a lateral displacement mechanism; 321. a lateral displacement seat; 322. a third screw mechanism; 323. a third motor;

40. a chip removal structure; 41. a chip removal port; 42. a support bridge; 420. a bridge opening; 421. bridge piles; 422. sealing the vertical side wall of the bridge opening; 43. a left debris ejection side wall; 44. a right chip removal sidewall; 441. a fifth inclined wall; 442. a sixth inclined wall;

45. a front chip removal sidewall; 451. a first inclined wall; 452. a second inclined wall;

46. a rear debris removal sidewall; 461. a third inclined wall; 462. a fourth inclined wall; 47. a support block;

50. schematic of the fixture and the product thereon.

Detailed Description

With reference to fig. 1 and 2, a five-axis turn-milling composite center structure includes a base 10, a cutting system 20 disposed on the base for cutting a product, and a positioning system 30 disposed on the base for positioning the product.

As shown in fig. 3, the base 10 is provided with a chip discharging structure 40, and the chip discharging structure is positioned below the positioning system; the chip removal structure includes chip removal mouth 41, to the chip removal lateral wall of chip removal mouth slope, the support bridge 42 of setting on the chip removal lateral wall that runs through the base downwards, positioning system installs on the support bridge. The chip removal side wall inclined towards the chip removal port is located on the periphery of the chip removal port, chips scattered on the chip removal side wall slide towards the chip removal port, pass through the bridge hole of the supporting bridge, are concentrated on the chip removal port and fall into the chip collecting barrel below the chip removal port, and the positioning system supporting structure is enabled not to discharge the chips mistakenly.

As shown in FIG. 3, the sidewalls for evacuation around the exhaust port 41 include a left evacuation sidewall 43 on the left side of the exhaust port 41, a right evacuation sidewall 44 on the right side of the exhaust port, a front evacuation sidewall 45 on the front side of the exhaust port, and a rear evacuation sidewall 46 on the rear side of the exhaust port.

The front debris sidewall 45 includes a first inclined wall 451 and a second inclined wall 452, the first inclined wall being located above the second inclined wall, the slope of the first inclined wall being greater than the slope of the second inclined wall.

The rear debris ejection side wall 46 includes a third sloped wall 461 and a fourth sloped wall 462, the third sloped wall being positioned above the fourth sloped wall, the slope of the third sloped wall being greater than the slope of the fourth sloped wall.

As shown in fig. 3, the number of the supporting bridges 42 is a pair, the pair of supporting bridges is parallel, a first supporting bridge of the pair of supporting bridges is disposed on the second inclined wall, and a second supporting bridge is disposed on the fourth inclined wall. The supporting bridge is disposed on the second inclined wall and the fourth inclined wall through the bridge pile 421, and if the inclination of the second inclined wall and the fourth inclined wall is too large, the bottom end of the bridge pile may slide along the second inclined wall and the fourth inclined wall, resulting in cracks between the bridge pile and the second inclined wall and the fourth inclined wall, which affects the stability and the supporting strength of the supporting bridge 42. Therefore, the second inclined wall and the fourth inclined wall have certain slopes to facilitate the chip removal, and the slopes are smaller than the slopes of the first inclined wall 451 and the third inclined wall 461, so that the supporting bridge is not cracked due to too small bearing capacity or strength. In addition, the second inclined wall with the smaller inclination is arranged below the first inclined wall with the larger inclination, so that the chips falling from the first inclined wall have larger kinetic energy and can act on the chips on the second inclined wall to fall into the chip removal port together, and the chips cannot stay due to the undersize inclination of the second inclined wall.

As shown in fig. 3, the right chip removal sidewall 44 includes a fifth inclined wall 441 and a sixth inclined wall 442, the fifth inclined wall being located above the sixth inclined wall, the slope of the fifth inclined wall being smaller than that of the sixth inclined wall, and a pair of support bridges 42 are provided on the fifth inclined wall and the sixth inclined wall. The bridge piles at the right ends of the pair of supporting bridges are arranged on the fifth inclined wall, the bridge piles in the middle of the pair of supporting bridges are arranged on the sixth inclined wall, and in order to improve the strength of the supporting bridges and avoid the bridge piles from sliding relative to the fifth inclined wall, the inclination of the fifth inclined wall is designed to be smaller than that of the sixth inclined wall. The bridge pier on the fifth inclined wall is located at the right end of a pair of supporting bridges, and is in stable relation to the bridge pier on the sixth inclined wall, and the stability of the whole supporting bridge.

As shown in fig. 3, each supporting bridge 42 is provided with a plurality of bridge openings 420, two adjacent bridge piles 421 form a bridge opening, the bridge opening beside the chip removal port 41 is a through hole, chips are allowed to pass through, the bridge opening far away from the chip removal port is sealed, specifically, the bridge opening is sealed by a vertical side wall 422, the vertical side wall is located on the right chip removal side wall 44, the chips on the right chip removal side wall 44 can slide downwards along the vertical side wall, slide to the through hole-shaped bridge opening, and then enter the chip removal port 41 through the bridge opening. Wherein a through-hole shaped bridge is located on the second and fourth slanted

walls

452, 462.

Referring to fig. 3, the base 10 is provided with a cutting system mounting seat 11, the cutting system mounting seat is positioned at the left side of the base, the right side wall 12 of the cutting system mounting seat is seamlessly jointed with the left debris discharging side wall 43 and the left ends of a pair of supporting bridges 42, and the cutting system mounting seat 11 is higher than the pair of supporting bridges. The right side wall 12 of the cutting system mount is closer to the exhaust port and higher, and the chips impinge on the right side wall 12 and fall into the exhaust port 41. The right side wall 12 of the cutting system mount is a beneficial barrier to prevent splattering of chips and, in cooperation with the exhaust port, is capable of delivering chips that come into contact with it into the exhaust port.

The periphery of the base 10 is provided with a rail 13, which forms a closed loop with the right side wall 12 of the cutting system mounting seat 11, specifically a square frame structure. The fence is equivalent to the edge protruding upwards from the periphery of the base, so that the scraps are limited in the square frame, and the splashing is avoided.

As shown in fig. 4, the cutting system 20 includes a vertical bracket 21 mounted on the cutting system mounting base 11, a lifting base 22 slidably fitted on the vertical bracket, a first screw rod mechanism 23 mounted on the vertical bracket for driving the lifting base to lift, and a tool spindle 24 mounted on the lifting base; the tool spindle is located above the exhaust port 41. The first screw mechanism is driven by a first motor 25 arranged on the vertical support, the lifting seat 22 is connected with a screw nut of the first screw mechanism, the lifting seat 22 is driven by the first screw mechanism to lift along the vertical support 21, and a cutter spindle on the lifting seat drives a cutter to cut a product. Because the main shaft of the cutter is designed above the chip removal port 41, most of chips generated by the cutter can directly fall into the chip removal port 41, the design is the matching design of the base structure and the cutting system structure, the chip removal capability of the machine tool is improved, and the structural matching design is claimed by the invention.

As a modification of the cutting system 20, as shown in fig. 4, the lifting base 22 is connected to a weight 27 through a belt 26, the belt is fitted on a belt wheel 260, the belt wheel is installed on the top of the vertical support 21, and the weight is located in the inner cavity of the vertical support. The balancing weight can make the lifting seat 22 rise with less effort, lighten the burden of the first screw rod mechanism, and meanwhile, can avoid the impact on the first screw rod mechanism caused by the over-high speed when the lifting seat descends.

With reference to fig. 2 and 5, the positioning system 30 includes a longitudinal displacement mechanism 31 and a transverse displacement mechanism 32, the longitudinal displacement mechanism 31 includes a longitudinal displacement seat 311 slidably fitted on a pair of support bridges, and a second screw mechanism 312 for driving the longitudinal displacement seat, the transverse displacement mechanism 32 includes a transverse displacement seat 321 slidably fitted on the longitudinal displacement seat, and a third screw mechanism 322 mounted on the longitudinal displacement seat for driving the transverse displacement seat, and the product is positioned on the transverse displacement seat; the right chip removal side wall 44 is provided with a pair of supporting blocks 47 for mounting the second screw mechanism 312, the pair of supporting blocks are located between the pair of supporting bridges 42, and a gap is formed between the pair of supporting blocks and the supporting bridges.

With reference to fig. 3 and 5, the relationship between the positioning system 30 and the chip removal structure of the present invention lies in the design of a pair of support blocks 47, which are necessary structures for mounting the longitudinal displacement mechanism 31, and a gap is formed between the support blocks and the support bridge, so that the longitudinal displacement mechanism can be supported, and meanwhile, chips can be discharged through the gap, so that no dead angle is left for chip removal by the chip removal structure. The design of the second screw mechanism 312 and the third screw mechanism 322 is a common technical means in the prior art. Specifically, a second screw mechanism is mounted on the support block 47 and driven by a second motor 313; the pair of support bridges 42 are provided with slide rails 314, and the longitudinal displacement seat 311 is in sliding fit with the pair of support bridges through the matching of the slide blocks and the slide rails; under the drive of the second screw rod mechanism, the longitudinal displacement seat longitudinally slides along the pair of support bridges, namely moves left and right. The third screw mechanism 322 is driven by a third motor 323, and the third screw mechanism drives the lateral displacement base 321 to move laterally, i.e., in the front-rear direction, along the longitudinal displacement base 311. The product to be cut is positioned on the lateral displacement seat 321 in a manner that can be used with prior art jigs. The second screw mechanism 312 and the third screw mechanism 322 are matched to realize the longitudinal and transverse displacement of the product, so that the product is cut by the tool on the tool spindle 24.

The invention relates to a structure of a machine tool, which is a five-axis turning and milling composite center, wherein the five axis specifically comprises the following components: first, a rotating shaft of a first motor 25 for driving the first screw mechanism 23 to ascend and descend; second, a tool spindle mounted on the lifting base 22; third, a rotation shaft of a second motor 313 that drives the second screw mechanism 312; fourth, a rotation shaft of a third motor 323 that drives the third screw mechanism 322; and fifthly, a rotating shaft which is installed on the lateral displacement seat 321 and can drive the fixture to rotate, wherein the fixture can be a three-jaw chuck commonly used in the prior art, the three-jaw chuck is connected with a fourth motor, the fourth motor drives the three-jaw chuck to rotate, and the rotating shaft is a rotating shaft of the fourth motor. Under the driving of the tool spindle, the tool rotates, and a product on the clamp can be milled; under the drive of the fourth motor, the clamp drives the product to rotate, and the cutter can turn the product, so that the machine tool is a five-axis turning and milling composite center.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description herein, since various changes and modifications can be made in the details of the embodiment and the application range according to the spirit of the present invention.

Claims

1. The utility model provides a five-axis turn-milling compound center's structure, includes base (10), sets up cutting system (20) that cut the product on the base, sets up positioning system (30) that are used for fixing a position the product on the base, its characterized in that: the base is provided with a chip removal structure (40) which is positioned below the positioning system; the chip removal structure includes chip removal mouth (41) that runs through the base downwards, to the chip removal lateral wall of chip removal mouth slope, set up support bridge (42) on the chip removal lateral wall, positioning system installs on support bridge.

2. The structure of claim 1, wherein: the chip removal side wall comprises a left chip removal side wall (43) positioned on the left side of the chip removal port (41), a right chip removal side wall (44) positioned on the right side of the chip removal port, a front chip removal side wall (45) positioned on the front side of the chip removal port and a rear chip removal side wall (46) positioned on the rear side of the chip removal port;

the front chip removal side wall (45) comprises a first inclined wall (451) and a second inclined wall (452), the first inclined wall is positioned above the second inclined wall, and the slope of the first inclined wall is larger than that of the second inclined wall;

the rear debris ejection side wall (46) includes a third sloped wall (461) and a fourth sloped wall (462), the third sloped wall being located above the fourth sloped wall, the slope of the third sloped wall being greater than the slope of the fourth sloped wall;

the number of the supporting bridges (42) is a pair, the supporting bridges are parallel, the first supporting bridge of the supporting bridges is arranged on the second inclined wall, and the second supporting bridge is arranged on the fourth inclined wall.

3. The structure of claim 2, wherein: the right chip removal side wall (44) includes a fifth inclined wall (441) and a sixth inclined wall (442), the fifth inclined wall being located above the sixth inclined wall, the slope of the fifth inclined wall being smaller than the slope of the sixth inclined wall, and a pair of support bridges (42) being provided on the fifth inclined wall and the sixth inclined wall.

4. The structure of claim 3, wherein: each supporting bridge (42) is provided with a plurality of bridge holes (420), the bridge holes positioned at the side of the chip removal port (41) are through holes, and the bridge holes far away from the chip removal port are sealed.

5. The structure of claim 3, wherein: the base (10) is provided with a cutting system mounting seat (11), the cutting system mounting seat is positioned on the left side of the base, the right side wall (12) of the cutting system mounting seat is seamlessly connected with the left chip removal side wall (43) and the left ends of the pair of supporting bridges (42), and the cutting system mounting seat (11) is higher than the pair of supporting bridges.

6. The structure of claim 5, wherein: the periphery of the base (10) is provided with a fence (13), and the fence and the right side wall (12) of the cutting system mounting seat (11) form a closed loop.

7. The structure of claim 5, wherein: the cutting system (20) comprises a vertical support (21) arranged on a cutting system mounting seat (11), a lifting seat (22) in sliding fit with the vertical support, a first screw rod mechanism (23) arranged on the vertical support and used for driving the lifting seat to lift, and a tool spindle (24) arranged on the lifting seat; the tool spindle is located above the exhaust port (41).

8. The structure of claim 5, wherein: the positioning system (30) comprises a longitudinal displacement mechanism (31) and a transverse displacement mechanism (32), the longitudinal displacement mechanism (31) comprises a longitudinal displacement seat (311) which is in sliding fit with the pair of support bridges, and a second screw rod mechanism (312) which is used for driving the longitudinal displacement seat, the transverse displacement mechanism (32) comprises a transverse displacement seat (321) which is in sliding fit with the longitudinal displacement seat, and a third screw rod mechanism (322) which is arranged on the longitudinal displacement seat and is used for driving the transverse displacement seat, and a product is positioned on the transverse displacement seat;

and a pair of supporting blocks (47) are arranged on the right scrap discharging side wall (44) and used for mounting the second screw rod mechanism (312), the pair of supporting blocks are positioned between the pair of supporting bridges (42), and gaps are formed between the pair of supporting blocks and the supporting bridges.