CN216575580U - Boring bar with adjustable damping strength - Google Patents
Boring bar with adjustable damping strength Download PDFInfo
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- CN216575580U CN216575580U CN202220136361.9U CN202220136361U CN216575580U CN 216575580 U CN216575580 U CN 216575580U CN 202220136361 U CN202220136361 U CN 202220136361U CN 216575580 U CN216575580 U CN 216575580U
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- damping
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Abstract
The utility model discloses a damping intensity adjustable boring bar belongs to boring bar technical field. The boring rod with the adjustable damping strength is simple in structure and good in damping effect. The utility model discloses a pole body, including the installation piece, the inner chamber that the body of rod was equipped with is contradicted to the terminal surface before the installation piece, is connected with first spring between installation piece rear end face and the quality piece, be connected with the second spring between quality piece and the adjusting bolt, adjusting bolt and the inner chamber tail end threaded connection of the body of rod adjust the degree of depth that adjusting bolt installed at the internal pole, can adjust the compression degree of first spring and second spring. The utility model discloses simple structure occupies that the pole inner space is little, has avoided the boring bar rigidity not enough or has leaded to needing the boring bar to add thick problem, the utility model discloses set up damping piece and damper, two kinds of shock attenuation modes, the shock attenuation effect is better, and these two kinds of shock attenuation modes all have the function of adjusting shock attenuation intensity, make the boring bar have bigger process range.
Description
Technical Field
The utility model belongs to the technical field of the boring bar, concretely relates to damping intensity adjustable boring bar.
Background
The boring bar is a connecting bar of a boring machine, a deep hole drilling and boring machine, a corresponding drill bit, a boring head, a rolling head and a combined boring and rolling head.
In the machining process, the cutter bar is frequently vibrated under the influence of vibration sources such as dynamic cutting force, a machine tool, cooling liquid and the like, so that the machining precision and the surface roughness are directly influenced, the abrasion of the cutter is accelerated, and the service life of the cutter is shortened.
But current shock attenuation boring bar exists that shock-absorbing structure is complicated or the limited problem of shock attenuation effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the problem that above-mentioned background art exists, and then provide a simple structure, effectual damping intensity adjustable boring bar of shock attenuation.
The utility model adopts the technical proposal that: a boring bar with adjustable shock absorption strength comprises a bar body, a shock absorption damping piece and a shock absorption assembly, wherein the shock absorption damping piece and the shock absorption assembly are arranged in the bar body; the damping assembly comprises a mounting block, a first spring, a mass block, a second spring and an adjusting bolt; the utility model discloses a pole body, including the installation piece, the inner chamber that the body of rod was equipped with is contradicted to the terminal surface before the installation piece, is connected with first spring between installation piece rear end face and the quality piece, be connected with the second spring between quality piece and the adjusting bolt, adjusting bolt and the inner chamber tail end threaded connection of the body of rod adjust the degree of depth that adjusting bolt installed at the internal pole, can adjust the compression degree of first spring and second spring.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses simple structure occupies that the pole inner space is little, has avoided the boring bar rigidity not enough or has leaded to needing the boring bar to add thick problem, the utility model discloses set up damping piece and damper, two kinds of shock attenuation modes, the shock attenuation effect is better, and these two kinds of shock attenuation modes all have the function of adjusting shock attenuation intensity, make the boring bar have bigger process range.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein: 1. a rod body; 2. a damping pad; 3. a shock absorbing assembly; 4. a blocking member; 11. an inner cavity; 12. air holes; 31. mounting blocks; 32. a first guide groove; 33. a first guide bar; 34. a first spring; 35. a second guide groove; 36. a mass block; 37. a third guide groove; 38. a second guide bar; 39. a second spring; 310. an adjustment plate; 311. adjusting screws; 312. and adjusting the bolt.
Detailed Description
For better understanding of the objects, structure and functions of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a boring bar with adjustable shock absorption strength comprises a bar body 1, a shock absorption damping member and a shock absorption assembly 3; wherein, the damping piece and the damping component 3 are both arranged in an inner cavity 11 arranged on the rod body 1,
particularly, the inner chamber 11 of the rod body 1 is a cylindrical cavity and is arranged along the length direction of the rod body 1, the tail end of the inner chamber 11 is arranged on the tail end face of the rod body 1, the tail end of the rod body 1 is opened, an internal thread is arranged at the tail end of the inner chamber 11, and the damping assembly 3 is convenient to install by the adjusting bolt 312.
As shown in fig. 1, the damping assembly 3 includes a mounting block 31, a first spring 34, a mass 36, a second spring 39 and an adjusting bolt 312;
be connected with first spring 34 between installation piece 31 rear end face and the quality piece 36, be connected with second spring 39 between quality piece 36 and the adjusting bolt 312, adjusting bolt 312 and the threaded connection of body of rod 1 inner chamber 11 tail end, adjust the degree of depth that adjusting bolt 312 was installed in the body of rod 1, can adjust the compression degree of first spring 34 and second spring 39, thereby change damper 3's rigidity, thereby realize the imitative people's adjustment of damper 3 frequency, so that damper 3's frequency is different with the vibration frequency of the body of rod 1, the vibrations of boring bar in the course of working have been reduced, not only played absorbing effect and can also change absorbing intensity.
Specifically, the front end of the mounting block 31 is a conical part, a conical groove is formed in the front end surface of the inner cavity 11, the mounting block 31 abuts against the conical groove of the inner cavity 11 through the conical part at the front end, the mounting effect is better, and the positioning effect can be achieved;
the rear end of the mounting block 31 is a cylindrical part, a first guide groove 32 is formed in the rear end face of the mounting block 31, a second guide groove 35 is formed in the front end face of the mass block 36, two ends of the first guide rod 33 are respectively inserted into the first guide groove 32 and the second guide groove 35 in a sliding mode, and the first spring 34 is sleeved on the outer side of the first guide rod 33; guiding the movement of the first spring 34 and the mass 36.
A third guide groove 37 is formed in the rear end face of the mass block 36, the front end of the second guide rod 38 is inserted into the third guide groove 37 in a sliding manner, a second spring 39 is sleeved on the second guide rod 38, and the rear end of the second spring 39 and the rear end of the second guide rod 38 abut against the front end face of the adjusting bolt 312 or abut against the adjusting assembly; the compression of the second spring 39 is guided without affecting the compression of the second spring 39.
Referring to fig. 1, the adjusting assembly includes an adjusting plate 310 and two adjusting screws 311;
two threaded holes are symmetrically formed in the thickness direction of the adjusting bolt 312, front end threads of the two adjusting screws 311 penetrate through the two threaded holes and then abut against the rear end face of the adjusting plate 310, and the rear end of the second spring 39 and the rear end of the second guide rod 38 abut against the front end face of the adjusting plate 310.
Referring to fig. 1, the damping piece is damping pad 2, damping pad 2 encircles and fixes on the inside wall of inner chamber 11, damping pad 2's rear end sets up the home range the place ahead at adjusting plate 310, be equipped with the clearance between damping pad 2 and the quality piece 36 of inside thereof, set up the gas pocket 12 of intercommunication inner chamber 11 on the body of rod 1, the external air supply of gas pocket 12, and can dismantle sealedly through shutoff 4, aerify in the body of rod 1, can change the pressure of inner chamber 11, thereby change damping pad 2's rigidity, thereby change damping pad 2's frequency, play the effect of shock attenuation and regulation damping strength.
The plugging piece 4 can be any one of screws, bolts or rubber plugs and the like which can plug and plug the air hole 12.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (6)
1. The utility model provides a shock attenuation intensity adjustable boring bar which characterized in that: comprises a rod body (1), and a damping part and a damping component (3) which are arranged in the rod body (1); the shock absorption assembly (3) comprises a mounting block (31), a first spring (34), a mass block (36), a second spring (39) and an adjusting bolt (312); the utility model discloses a spring mounting structure, including the body of rod (1), inner chamber (11), installation piece (31) preceding terminal surface is contradicted on the inner chamber (11) that body of rod (1) was equipped with, is connected with first spring (34) between installation piece (31) rear end face and quality piece (36), be connected with second spring (39) between quality piece (36) and adjusting bolt (312), adjusting bolt (312) and inner chamber (11) tail end threaded connection of body of rod (1) adjust the degree of depth that adjusting bolt (312) were installed in the body of rod (1), can adjust the compression degree of first spring (34) and second spring (39).
2. The boring bar with adjustable damping intensity as claimed in claim 1, wherein: the shock-absorbing assembly (3) further comprises a second guide rod (38); the rear end face of the mass block (36) is provided with a third guide groove (37), the front end of the second guide rod (38) is inserted into the third guide groove (37) in a sliding mode, the second spring (39) is sleeved on the second guide rod (38), and the rear end of the second spring (39) and the rear end of the second guide rod (38) abut against the front end face of the adjusting bolt (312) or abut against the adjusting assembly.
3. The boring bar with adjustable damping intensity as claimed in claim 2, wherein: the adjusting component comprises an adjusting plate (310) and two adjusting screws (311); two threaded holes are symmetrically formed in the thickness direction of the adjusting bolt (312), the front end threads of the two adjusting screws (311) penetrate through the two threaded holes and then abut against the rear end face of the adjusting plate (310), and the rear end of the second spring (39) and the rear end of the second guide rod (38) abut against the front end face of the adjusting plate (310).
4. The boring bar with adjustable damping intensity as claimed in claim 3, wherein: the shock-absorbing assembly (3) further comprises a first guide rod (33); the rear end of the mounting block (31) is a cylindrical portion, a first guide groove (32) is formed in the rear end face of the mounting block (31), a second guide groove (35) is formed in the front end face of the mass block (36), two ends of the first guide rod (33) are inserted into the first guide groove (32) and the second guide groove (35) in a sliding mode respectively, and the first spring (34) is sleeved on the outer side of the first guide rod (33).
5. The boring bar with adjustable damping intensity as claimed in claim 4, wherein: the front end of the mounting block (31) is a conical part, a conical groove is formed in the front end face of the inner cavity (11), and the front end of the mounting block (31) abuts against the conical groove of the inner cavity (11).
6. The boring bar with adjustable damping intensity as claimed in claim 1, wherein: the damping piece is damping pad (2), damping pad (2) encircle to be fixed on the inside wall of inner chamber (11), and the rear end setting of damping pad (2) is equipped with the clearance in the home range the place ahead of adjusting plate (310) between damping pad (2) and its inside quality piece (36), set up gas pocket (12) of intercommunication inner chamber (11) on the body of rod (1), external air supply of gas pocket (12) to can dismantle through shutoff piece (4) and seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136361.9U CN216575580U (en) | 2022-01-19 | 2022-01-19 | Boring bar with adjustable damping strength |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220136361.9U CN216575580U (en) | 2022-01-19 | 2022-01-19 | Boring bar with adjustable damping strength |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216575580U true CN216575580U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220136361.9U Active CN216575580U (en) | 2022-01-19 | 2022-01-19 | Boring bar with adjustable damping strength |
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| Country | Link |
|---|---|
| CN (1) | CN216575580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106561A (en) * | 2022-07-22 | 2022-09-27 | 哈尔滨理工大学 | Rigidity damping adjustable vibration damping boring bar |
-
2022
- 2022-01-19 CN CN202220136361.9U patent/CN216575580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115106561A (en) * | 2022-07-22 | 2022-09-27 | 哈尔滨理工大学 | Rigidity damping adjustable vibration damping boring bar |
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