CN214417689U

CN214417689U - Precision boring cutter

Info

Publication number: CN214417689U
Application number: CN202022650576.6U
Authority: CN
Inventors: 纪成鑫
Original assignee: Shenzhen Huaheng Guangneng Technology Co ltd
Current assignee: Shenzhen Huaheng Guangneng Technology Co ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-10-19
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to a processing cutter technical field especially relates to an accurate boring cutter, has solved among the prior art problem that the boring cutter structure is complicated, and the production degree of difficulty is big, and use cost is high, unable large tracts of land use widely. The utility model provides an accurate boring cutter, which comprises a main body, still include interior cold function main part district, dynamic balance optimization function main part district, the spacing district of dabber, dabber locking district, take worm and gear mechanism dabber displacement adjustment area, wherein the upper portion of main part have one with connect handle cooperation post position, three handle lockhole has been offered with the axis equidistance to the post position, the internally mounted of main part has interior cold function main part district and dynamic balance optimization function main part district, the internally mounted of main part has the spacing district of dabber, dabber locking district, the dabber displacement adjustment area of worm and gear mechanism is taken to inside one side of main part. The utility model discloses practice thrift the cost, easily processing optimizes interior cold function, optimizes dynamic balance, improves the product precision, and stability is better, increases the displacement bore hole scope, more accords with the market demand.

Description

Precision boring cutter

Technical Field

The utility model relates to a finish machining cutter technical field especially relates to an accurate boring cutter.

Background

The boring cutter is one of boring cutters, the boring cutter is used for machining, generally a round handle, a square cutter rod used for machining a larger workpiece is generally found in a vertical lathe, the most common occasions are inner hole machining, hole expanding, squareness and the like, and the boring cutter is provided with one or two cutting parts and is specially used for roughly machining, semi-finely machining or finely machining an existing hole. The boring tool may be used on a boring machine, a lathe or a milling machine.

The precision boring cutter is a finish machining cutter in the boring cutter, is an indispensable boring sharp tool in the high-end manufacturing industry, and relates to the fields of airplanes, ships, engines, valves, the petroleum industry, automobiles, molds, semiconductor processing machines, various precision machining and ultra-precision machining and the like. The existing precision boring tool 0.001 fine adjustment scale is used as a class, foreign products basically occupy main market share, and a price of thousands of yuan is increased, and the vast majority of using enterprises are enterprises with foreign materials and enterprises with foreign materials.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an accurate boring cutter, it is complicated to have solved among the prior art boring cutter structure, and the production degree of difficulty is big, and use cost is high, so the unable problem of using widely by a large scale.

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

the utility model provides a precision boring cutter, includes the main part, still includes interior cold function main part district, dynamic balance optimization function main part district, the spacing district of dabber, dabber locking district, takes worm and worm gear mechanism dabber displacement adjustment area, wherein the upper portion of main part have one with connect handle cooperation post position, just three handle lockhole has been seted up with the axis equidistance to the post position, the internally mounted of main part has interior cold function main part district and dynamic balance optimization function main part district, just the internally mounted of main part has the spacing district of dabber, dabber locking district, the dabber displacement adjustment area of worm and worm gear mechanism is taken to inside one side of main part.

Preferably, the inner cooling function main body area comprises a universal nozzle, six holes for assembling the universal nozzle are formed in the position of the outer side of the main body, and cooling water holes for communicating the six holes are formed in the inner side of the main body respectively.

Preferably, the dynamic balance optimization function main body area comprises a first screw hole, a first countersunk screw, a first hollow groove and a lantern ring, two weight reduction first hollow grooves are formed in the outer side edge of the dynamic balance optimization function main body area, the side edge of each first hollow groove is provided with the first screw hole, the first screw hole is internally and correspondingly provided with the first countersunk screw, and the surface of the first countersunk screw is sleeved with the lantern ring.

Preferably, the dabber displacement regulation district includes worm, hole two, and the screw is three, and the screw is four, waterproof circle, worm wheel, copper nut, shell fragment, dish nut, locking screw, hole three, takes the tooth to inlay the stick, hole four and hole five, the inside worm wheel of dabber displacement regulation district is inserted and is joined in marriage in hole three, and wherein, there is a screw four and closes with the foraminiferous locking screw soon in the middle of being connected in the outside, and a side laminating of locking screw one side and worm wheel has a recess to be equipped with waterproof circle in the locking screw, and the opposite side has a concave plane, and the shell fragment is equipped with in the assembly of concave plane internal portion.

Preferably, the dabber displacement regulation district outside is equipped with a set nut, and wherein set nut and worm wheel one side close the connection soon, and the shell fragment is in the inside one side of set nut, the copper nut sets up in three insides of screw through the screw, locking screw sets up in four insides of screw, the inside porose two in dabber displacement regulation district, a side of hole two is equipped with takes the tooth hole, and hole two and take the tooth hole to correspond respectively and be equipped with the worm and take the tooth to inlay the stick, wherein take the tooth to inlay the stick and pass through the worm and fix a position the worm in the copy groove of worm.

Preferably, the mandrel locking area comprises a mandrel, a ball screw, a screw hole five, a batch of empty seams and a positioning plane, wherein the main body is provided with the screw hole five for assembling the mandrel, one side of the main body is provided with the screw hole five, the ball screw is screwed in the screw hole five, the flat head surface of the ball screw corresponds to the positioning plane on the mandrel, the mandrel is provided with the batch of empty seams, the central axis of a worm wheel in the mandrel displacement adjusting area coincides with the central axis of the mandrel, and the lower part of one side of the main body is provided with a blade seat through the locking screw.

Preferably, the mandrel limiting area comprises a first hole, a headless screw, a second screw hole and an embedded rod, the first hole is formed in the surface of the main body, the first hole is located in the eccentric center of the second screw hole, the embedded rod is inserted into the first hole, a limiting groove is formed in the surface of the mandrel, one end of the embedded rod corresponds to the mandrel limiting groove, and the other end of the embedded rod is in contact with the headless screw installed in the second screw hole.

The utility model discloses possess following beneficial effect at least:

the utility model discloses get rid of the cutter arbor, reduce the blade bearing, saved the unloading cost, and then simplified the processing degree of difficulty, strengthened 60% with interior cold hole. The internal cooling function is further optimized, the total weight of products is 0.4266KG, dynamic balance is further optimized, meanwhile, the precision can be doubled (one unit scale mark displacement is 0.0005MM when necessary), the stability is better, the boring range is enlarged (the displacement of the same model is increased by 50%), the structure is cost-saving, the processing is easy, the internal cooling function is optimized, the dynamic balance is optimized, the product precision is improved, the stability is better, the displacement boring range is enlarged, and the market demand is better met.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort. In the figure: fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic overall side view of the present invention;

fig. 3 is a schematic overall top view structure of the present invention;

fig. 4 is a schematic view of the overall three-dimensional structure of the present invention.

In the figure: 1. a first screw hole; 2. countersunk head screws; 3. emptying the groove; 4. a collar; 5. a first hole; 6. headless screws; 7. a second screw hole; 8. embedding a rod; 9. a limiting groove; 10. a worm; 11. a second hole; 12. a third screw hole; 13. a screw hole IV; 14. a waterproof ring; 15. a worm gear; 16. a copper nut; 17. a spring plate; 18. a disc nut; 19. locking screws; 20. a third hole; 21. a threaded insert rod; 22. a fourth hole; 23. a fifth hole; 24. carrying out hollow seaming; 25. positioning a plane; 26. a wave bead screw; 27. a fifth screw hole; 28. a mandrel; 29. a main body; 30. a blade seat; 31. locking the screw; 32. A universal nozzle; 33. a sixth hole; 34. cooling water holes; 35. a locking hole; 36. a dynamic balance optimization function body region; 37. a mandrel limiting region; 38. a mandrel displacement adjustment zone; 39. a mandrel locking region; 40. the inner cooling function main body area.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, a precision boring cutter comprises a main body 29, and is characterized in that the main body 29 comprises an internal cooling function main body area 40, a dynamic balance optimization function main body area 36, a mandrel limiting area 37, a mandrel locking area 39, and a mandrel displacement adjusting area 38 with a worm and worm gear mechanism, wherein a column position for inserting a tool holder is arranged at the upper part of the main body 29, three connecting handle locking holes 35 are arranged at the column position at the upper part of the main body 29 at equal intervals along the axis, and when the precision boring cutter is used, a proper hole position is selected to lock the connecting handle to complete the locking of the connecting handle of the boring cutter.

In this embodiment, referring to fig. 1 to 4, the internal cooling function main body area 40 includes the universal nozzle 32, the six holes 33 and the cooling water holes 34, the six holes 33 for the universal nozzle 32 to be assembled are opened at the outer side edge position of the main body 29, and the cooling water holes 34 for the six holes 33 to penetrate through are respectively opened inside the main body 29, thereby completing the internal cooling function of the boring device.

In this embodiment, referring to fig. 1 to 4, the dynamic balance optimization function main body region 36 includes a first screw hole 1, a countersunk screw 2, a first hollow groove 3 and a sleeve ring 4, a concave step is formed on the upper portion of the main body 29, two weight-reduced first hollow grooves 3 are formed on one side edge, a sleeve ring 4 with a screw passing hole is sleeved outside the concave step, the first screw hole 1 is formed on the side edge of the first hollow groove 3, and a mounting screw locking sleeve ring is correspondingly arranged in the first screw hole 1 to complete the dynamic balance optimization function of the hole boring machine.

In this embodiment, referring to fig. 1 to 4, the mandrel limiting area 37 includes a first hole 5, a headless screw 6, a second screw hole 7, and an insert rod 8, where the insert rod 8 is inserted into the first hole 5, one end of the insert rod 8 corresponds to the mandrel limiting groove 9, and the other end of the insert rod 8 contacts with the headless screw 6 installed in the second screw hole 7, thereby completing the function of limiting the mandrel of the boring machine.

In this embodiment, referring to fig. 1 to 4, the mandrel displacement adjusting area 38 includes a worm 10, a second hole 11, a third screw hole 12, a fourth screw hole 13, a waterproof ring 14, a worm wheel 15, a copper nut 16, an elastic sheet 17, a disc nut 18, a locking screw 19, a third hole 20, a toothed insert rod 21, a fourth hole 22 and a fifth hole 23; the surface of the worm 10 is provided with a dial, a worm wheel 15 in the mandrel displacement adjusting area 38 is inserted and matched with a hole III 20, wherein the outer side of the worm is provided with a screw hole IV 13 and is in screwed connection with a locking screw 19 with a hole in the middle, one side of the locking screw 19 is attached to one side surface of the worm wheel 15, a groove is arranged in the locking screw 19, the waterproof ring 14 is assembled in the groove, the other side of the locking screw is provided with a concave plane, and the elastic sheet 17 is arranged in the groove.

In this embodiment, referring to fig. 1 to 4, a disc nut 18 is disposed outside the mandrel displacement adjusting area 38, wherein the disc nut 18 is screwed to one side of the worm wheel 15, the elastic sheet 17 is disposed on one side inside the disc nut 18, the disc nut 18 plays a role in compressing the elastic sheet, a second hole 11 is disposed inside the mandrel displacement adjusting area 38, a toothed hole is disposed on one side of the second hole, the second hole 11 and the toothed hole are respectively and correspondingly provided with the worm 10 and the toothed insert rod 21, and the toothed insert rod 21 penetrates through the profile groove of the worm 10 to position the worm 10.

In this embodiment, referring to fig. 1 to 4, the mandrel locking region 39 includes a mandrel 28, a wave ball screw 26, a screw hole five 27, a plurality of hollow seams 24, and a positioning plane 25, wherein a hole five 23 for assembling the mandrel 28 is formed on a main body 29, the wave ball screw 26 is screwed in the hole five 23, the wave ball screw 26 is a flat head, the positioning plane 25 is formed on the surface of the mandrel 28, the flat head surface of the wave ball screw 26 corresponds to the positioning plane 25 on the mandrel 28, a blade seat 30 is formed on the lower portion of one side of the main body 29 through a locking screw 31, the plurality of hollow seams 24 are formed on the surface of the mandrel 28, and the hollow seams 24 deform under the pressure of the wave ball screw 26 to lock the mandrel 28 and a screw rod acting inside the mandrel 28, thereby completing the mandrel locking function of the boring machine.

In this embodiment, referring to fig. 1 to 4, the central axis of the worm wheel 15 in the mandrel displacement adjusting region 38 coincides with the central axis of the mandrel 28, and since the displacement of the mandrel 28 directly comes from the coaxial worm wheel and screw, the total weight of the product is 0.4266KG, specifically, the center is divided into the upper, lower, left and right weights of 0.2133KG, 0.2206KG and 0.2060 KG; therefore, the adjustment precision is improved, and the stability is better.

In this embodiment, it should be noted that the meshing area of the worm 10 in the mandrel displacement adjusting area 38 is directly connected with the meshing area of the worm wheel 15 in a matching manner, the central axis of the worm wheel 15 is overlapped with the central axis of the mandrel 28 by directly screwing the screw rod part on one side of the worm wheel 15 on the mandrel 28, and the transmission is performed by using the worm and gear principle, so that the structure is more reasonable, the adjusting precision is improved, and the stability is higher. The whole boring head structure is optimized through computer calculation and design, the dynamic balance is proved to be better, and the technical scheme provided by the embodiment is better in balance, so that the displacement in the same type is increased, and the boring range is indirectly improved.

The scheme has the following working processes: the method for adjusting and locking the displacement of the blade seat 30 and the mandrel 28 in the structure of the precision boring cutter comprises the following steps: the locking screw 31 is firstly loosened, the corresponding blade seat 30 is selected to be installed according to the boring requirement, the locking screw 31 completes locking of the blade seat 30, the wave bead screw 26 is loosened, the worm 10 is rotated to drive the worm wheel 15, the worm wheel 15 drives the core shaft 28 to the required size, and the wave bead screw 26 is locked to complete displacement adjustment and locking of the core shaft 28.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art

In the description of the present invention, reference to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a precision boring cutter, includes main part (29), its characterized in that still includes interior cold function main part district (40), dynamic balance optimization function main part district (36), dabber spacing district (37), dabber locking district (39), takes worm and worm gear mechanism dabber displacement adjustment district (38), wherein the upper portion of main part (29) have one with joint handle cooperation post position, just three joint handle lockholes (35) have been seted up with the axis equidistance to the post position, the internally mounted of main part (29) has interior cold function main part district (40) and dynamic balance optimization function main part district (36), just the internally mounted of main part (29) has spacing district of dabber (37), dabber locking district (39), one side dabber displacement adjustment district (38) of taking the worm and worm gear mechanism in the inside of main part (29).

2. The precision boring tool as claimed in claim 1, wherein the inner cooling function body region (40) comprises a universal nozzle (32), a six hole (33) for the universal nozzle (32) to be assembled is formed at an outer side position of the body (29), and cooling water holes (34) for the six hole (33) to penetrate are respectively formed at an inner side of the body (29).

3. The precision boring cutter as claimed in claim 1, characterized in that the dynamic balance optimization function body area (36) comprises a first screw hole (1), a countersunk head screw (2), a plurality of empty slots (3) and a sleeve ring (4), two weight reduction blank slots (3) are formed in the outer side edge of the dynamic balance optimization function body area (36), a first screw hole (1) is formed in the side edge of the blank slot (3), the countersunk head screw (2) is correspondingly arranged in the first screw hole (1), and the sleeve ring (4) is sleeved outside the surface of the countersunk head screw (2).

4. The precision boring cutter as claimed in claim 1, wherein the mandrel displacement adjustment zone (38) comprises a worm (10), a second hole (11), a third screw hole (12), a fourth screw hole (13), a waterproof ring (14), a worm wheel (15), a copper nut (16), a spring plate (17), a disc nut (18), a locking screw (19), a third hole (20), a toothed insert bar (21), a fourth hole (22) and a fifth hole (23), a worm wheel (15) in the mandrel displacement adjusting area (38) is inserted and matched with the third hole (20), wherein, the outside has a screw four (13) and closes with a foraminiferous locking screw (19) soon and be connected, and locking screw (19) one side is laminated with a side of worm wheel (15), has a recess in locking screw (19) to be equipped with waterproof circle (14), and the opposite side has a concave plane, and the concave plane internal assembly is equipped with shell fragment (17).

5. The precise boring cutter as claimed in claim 4, wherein a disc nut (18) is arranged on the outer side of the mandrel displacement adjusting area (38), wherein the disc nut (18) is connected with one side of the worm wheel (15) in a screwing mode, the elastic sheet (17) is arranged on one side of the inner portion of the disc nut (18), the copper nut (16) is arranged inside the third screw hole (12) through threads, the locking screw (19) is arranged inside the fourth screw hole (13), a second hole (11) is formed in the mandrel displacement adjusting area (38), a toothed hole is formed in one side edge of the second hole (11), the second hole (11) and the toothed hole are respectively and correspondingly provided with the worm (10) and the toothed insert rod (21), and the toothed insert rod (21) penetrates through a profile groove of the worm (10) to position the worm (10).

6. The precision boring tool as claimed in claim 1, characterized in that the mandrel locking area (39) comprises a mandrel (28), a wave ball screw (26), a screw hole five (27), a hollow joint (24) and a positioning plane (25), wherein a hole five (23) for assembling the mandrel is formed in the main body (29), the screw hole five (27) is formed in one side of the main body (29), the wave ball screw (26) is screwed in the screw hole five (27), wherein a flat head surface of the wave ball screw (26) corresponds to the positioning plane (25) on the mandrel (28), the mandrel is provided with a plurality of hollow joints (24), a central axis of the worm wheel (15) in the mandrel displacement adjusting area (38) coincides with a central axis of the mandrel (28), and a blade seat (30) is formed in the lower portion of one side of the main body (29) through the locking screw (31).

7. The precision boring cutter as claimed in claim 6, wherein the mandrel limiting region (37) comprises a first hole (5), a headless screw (6), a second screw hole (7) and an embedded rod (8), the first hole (5) is formed in the surface of the main body (29), the first hole (5) is located in the eccentric center of the second screw hole (7), the embedded rod (8) is inserted into the first hole (5), a limiting groove (9) is formed in the surface of the mandrel (28), one end of the embedded rod (8) corresponds to the mandrel limiting groove (9), and the other end of the embedded rod (8) is in contact with the headless screw (6) installed in the second screw hole (7).