CN210359303U

CN210359303U - Novel deep hole multifunctional combined boring cutter

Info

Publication number: CN210359303U
Application number: CN201921411748.5U
Authority: CN
Inventors: 邓付东; 褚振; 李俊荣; 褚晓双
Original assignee: Dezhou Dongxiang Machinery Co Ltd
Current assignee: Dezhou Dongxiang Machinery Co Ltd
Priority date: 2019-08-28
Filing date: 2019-08-28
Publication date: 2020-04-21
Anticipated expiration: 2029-08-28

Abstract

The utility model discloses a novel deep hole many function combination boring cutter, including boring head body, cutter and work piece, the anterior center of cutter is provided with the blade holder, and the rear portion of blade holder is provided with the locking ejector pin, and the outside of locking ejector pin is provided with adjusting screw to adjusting screw's back is provided with the piston rod, and the piston rod middle part ring is equipped with the extension spring simultaneously, and all installs a set of round pin axle in the lower part on the extension spring girth rear side, the rear portion of cutter is provided with the dabber, and installs hydraulic cylinder body in the rear portion of dabber. This novel deep hole many function combination boring cutter, the structure sets up rationally, and the cutter is steerable adjustment in the size of processing, and a plurality of step holes accomplish the processing in a process, like rough bore hole size, finish boring hole size, tapering hole size to realize bore hole, reaming, the function in hole, the roll extrusion hole of floating, maneuverability, stability, the reliability of cutter are fairly stable, greatly reduced the manufacturing defect of product, improved product quality.

Description

Novel deep hole multifunctional combined boring cutter

Technical Field

The utility model relates to a processing cutter technical field specifically is a novel deep hole many function combination boring cutter.

Background

Deep hole processing is one of basic processes of modern mechanical manufacturing industry, a deep hole processing technology is used as a metal cutting processing technology, the deep hole processing technology is developed gradually and maturely in China, a combined boring technology is used for further expanding a traditional deep hole processing technology, a workpiece with a preset shape, size and performance is obtained after processing and treatment, but the traditional processing cutter is single in processing size at present, multiple cutters and multiple processes are needed during multi-stage step hole processing, and the efficiency of processing the workpiece is greatly reduced.

In order to solve the defects and shortcomings of the machining tool, the technology for machining the tool is urgently needed to be improved, the size of the tool in machining is controllable and adjustable, a plurality of step holes are machined in one working procedure, and the operability, stability and reliability of the tool are quite stable, so that the novel deep-hole multifunctional combined boring tool is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in overcoming prior art's processing cutter machining dimension singleness, multistage step hole adds man-hour needs many cutters, multichannel process, greatly reduced the defect of the efficiency of processing work piece, provide a novel deep hole many function combination boring cutter. The novel deep-hole multifunctional combined boring cutter has the advantages that the size of the cutter in machining is controllable and adjustable, a plurality of step holes are machined in one process, and the operability, stability and reliability of the cutter are stable.

In order to achieve the above object, the utility model provides a following technical scheme: a novel deep hole multifunctional combined boring cutter comprises a boring head body, a cutter and a workpiece, wherein a cutter holder is arranged at the center of the front part of the cutter, a locking ejector rod is arranged at the rear part of the cutter holder, an adjusting screw rod is arranged outside the locking ejector rod, a piston rod is arranged behind the adjusting screw rod, a tension spring is arranged in the middle of the piston rod in a surrounding mode, and a group of pin shafts are arranged on the upper portion and the lower portion of the rear side of an annular opening of the tension spring;

the rear part of the cutter is provided with a mandrel, a hydraulic cylinder body is arranged in the rear part of the mandrel, an oil cylinder spring is supported behind a piston rod, the piston rod and the oil cylinder spring are both arranged in a front groove of the hydraulic cylinder body, and meanwhile, a damping supporting block is arranged on the annular surface of the front part of the mandrel through a fixing bolt.

Preferably, the front part of the mandrel is provided with a raceway, the outer side of the raceway is provided with a ball, the rear side of the ball is provided with a top column, and the top column is provided with a retainer.

Preferably, the position cover between the ware and the extension spring on the dabber is put the sliding sleeve, and the rotation sleeve has been put to the outside cover of sliding sleeve, installs lock nut on the rotation sleeve to install deep groove ball bearing and thrust ball bearing between sliding sleeve and the rotation sleeve, deep groove ball bearing is located thrust ball bearing's front side simultaneously.

Preferably, the upper part of the outer ring surface of the front end head of the cutter is provided with a guide key, and the bottom of the outer ring surface of the front end head of the cutter is provided with a jackscrew.

Preferably, a floating cutter shell is installed behind the boring head body, a scraping and boring blade is installed behind the floating cutter shell, and a floating cutter block is installed behind the scraping and boring blade.

Preferably, the outer annular surface of the floating cutter block is provided with a safety supporting block, the center of the floating cutter block is provided with a floating cutter adjusting block, the inner side of the floating cutter adjusting block is provided with a spring, and the spring is arranged on the outer annular surface of the middle part of the adjusting screw in a surrounding manner.

Preferably, the centers of the boring head body, the tool apron, the locking ejector rod, the adjusting screw rod and the piston rod are all located on the same axis, the front side of the ball is provided with a retainer gland, and the retainer gland is sleeved on the cutter.

Preferably, the boring head body at the front end of the cutter can extend into the workpiece, and the workpiece can be processed with a D1 drill hole, a D2 drill hole and a D3 drill hole from front to back, and the hole diameters of the three holes are sequentially increased.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the novel deep hole multifunctional combined boring cutter is reasonable in overall structure arrangement, the size in machining can be controlled and adjusted, and a plurality of step holes are machined in one process, such as rough boring size, fine boring size and taper hole size, so that the functions of boring, reaming, floating holes and rolling holes are realized;

2. the operability, stability and reliability of the cutter are quite stable, the manufacturing defects of products are greatly reduced, and the product quality is improved;

3. through the size of the test floating cutter, the size of the ball that rises is tested simultaneously, and after adjusting, with the transfer line butt joint of lathe, through the motion of lathe, realize the processing demand, it is more convenient accurate to use.

Drawings

FIG. 1 is an expanded view of the internal structure of the cutter according to the present invention;

FIG. 2 is a schematic front view of a workpiece according to the present invention;

fig. 3 is a schematic view illustrating the internal drilling of the workpiece according to the structure of the present invention.

Reference numbers in the figures: 1. a boring head body; 2. a guide key; 3. a floating blade housing; 4. scraping and boring a blade; 5. a floating cutter block; 6. a safe support block; 7. a floating knife adjusting block; 8. a spring; 9. a retainer gland; 10. a rotating sleeve; 11. a sliding sleeve; 12. a shock-absorbing support block; 13. a mandrel; 14. a hydraulic cylinder block; 15. a cylinder spring; 16. a piston rod; 17. a pin shaft; 18. a tension spring; 19. a thrust ball bearing; 20. a deep groove ball bearing; 21. locking the nut; 22. a holder; 23. a top pillar; 24. a ball bearing; 25. a raceway; 26. adjusting the screw rod; 27. locking the ejector rod; 28. carrying out top thread; 29. a tool apron; 30. a cutter; 31. d1 drilling holes; 32. d2 drilling holes; 33. d3 drilling holes; 34. and (5) a workpiece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel deep-hole multifunctional combined boring cutter comprises a boring head body 1, a guide key 2, a floating cutter shell 3, a scraping and boring cutter blade 4, a floating cutter block 5, a safety supporting block 6, a floating cutter adjusting block 7, a spring 8, a retainer pressing cover 9, a rotary sleeve 10, a sliding sleeve 11, a damping supporting block 12, a mandrel 13, a hydraulic cylinder body 14, an oil cylinder spring 15, a piston rod 16, a pin shaft 17, a tension spring 18, a thrust ball bearing 19, a deep groove ball bearing 20, a locking nut 21, a retainer 22, a top column 23, a ball 24, a roller path 25, an adjusting screw 26, a locking top rod 27, a top screw 28, a cutter holder 29, a cutter 30, a D1 drilling hole 31, a D2 drilling hole 32, a D3 drilling hole 33 and a workpiece 34, wherein the guide key 2 is arranged on the upper part of the outer ring surface of the front end of the cutter 30, a top screw 28 is arranged at the bottom of the outer ring surface of the front end of the cutter 30, the floating cutter shell, a floating cutter block 5 is arranged at the rear part of the scraping and boring cutter blade 4, a safety supporting block 6 is arranged on the outer ring surface of the floating cutter block 5, a floating cutter adjusting block 7 is arranged at the center of the floating cutter block 5, a spring 8 is arranged on the inner side of the floating cutter adjusting block 7, the spring 8 is annularly arranged on the outer ring surface of the middle part of an adjusting screw rod 26, a cutter holder 29 is arranged at the center of the front part of the cutter 30, a locking ejector rod 27 is arranged at the rear part of the cutter holder 29, the adjusting screw rod 26 is arranged outside the locking ejector rod 27, a piston rod 16 is arranged behind the adjusting screw rod 26, a tension spring 18 is annularly arranged in the middle part of the piston rod 16, a group of pin shafts 17 is arranged at the upper and lower parts of the rear side of the annular opening of the tension spring 18, a mandrel 13 is arranged at the rear part of the cutter 30, a hydraulic cylinder body 14 is arranged in the rear part of, meanwhile, a damping support block 12 is installed on the ring surface of the front part of the mandrel 13 through a fixing bolt, a raceway 25 is arranged on the front part of the mandrel 13, a ball 24 is arranged on the outer side of the raceway 25, a top column 23 is arranged on the rear side of the ball 24, a retainer 22 is installed on the top column 23, a sliding sleeve 11 is sleeved on the position between the retainer 22 and the tension spring 18 on the mandrel 13, a rotating sleeve 10 is sleeved on the outer part of the sliding sleeve 11, a locking nut 21 is installed on the rotating sleeve 10, a deep groove ball bearing 20 and a thrust ball bearing 19 are installed between the sliding sleeve 11 and the rotating sleeve 10, the deep groove ball bearing 20 is positioned on the front side of the thrust ball bearing 19, centers of the boring head body 1, the tool apron 29, the locking ejector rod 27, the adjusting screw 26 and the piston rod 16 are all positioned on the same axis, a retainer gland 9 is arranged on the front side of the ball 24, the retainer gland 9 is sleeved, and the workpiece 34 can be processed with a D1 drilling hole 31, a D2 drilling hole 32 and a D3 drilling hole 33 from front to back, and the hole diameters of the three holes are sequentially increased.

As shown in fig. 1-3, the overall structure of the device is shown, mainly by the guide key 2 of the cutter, a guide sleeve is added on the machine tool, the inner hole of the guide sleeve is kept as a reference hole, under the push of the mandrel 13 in the hydraulic cylinder 14, the floating cutter block 5 at the front end is pushed by the piston rod 16 to move along the floating cutter housing 3, so that the scraping and boring cutter 4 is expanded to the size required by processing;

the piston rod 16 of the hydraulic cylinder 14 drives the pin shaft 17 to move, and the pin shaft 17 pushes the sliding sleeve 11 to drive the thrust ball bearing 19, the deep groove ball bearing 20, the rotary sleeve 10 and the retainer gland 9 to move forwards, and simultaneously the ball 24 rises along the roller path 25 to finish the rolling processing of the workpiece, thereby meeting the processing technical requirements of the workpiece.

When the novel deep hole multifunctional combined boring tool is used, under the keeping of a reference hole through a guide key 2 of the tool, a floating tool block 5 at the front end moves along the direction of a floating tool shell 3 under the pushing of a mandrel 13 in a hydraulic cylinder body 14, a scraping and boring blade 4 is expanded to the size required by processing, the hydraulic cylinder body 14 drives a pin shaft 17 and a sliding sleeve 11 to move, balls in the keeping device are expanded, after the detection, the tolerance size required by the paper drawing technology is processed through the feeding motion of a machine tool, after the tool 30 is processed to the size, under the pushing force of an oil cylinder spring 15, a floating tool adjusting block 7 drives a locking connecting rod 27 to be retracted under the pushing of a spring 8, meanwhile, the floating tool block 5 is also retracted, and the tool 30 is retracted from a workpiece 34, so that the purpose of processing is achieved, the problem that the traditional tool cannot process the workpiece 34 at one time is solved, the working efficiency of processing is also solved, the product quality of a product workpiece 34 is improved, the tool 30 realizes the expanding and recycling processing of the deep hole combined boring tool through the movement of a machine tool connecting rod, the processing of the deep hole combined boring tool is completed, the specific operation is that after the processed boring head body 1 is subjected to heat treatment, the combined hydraulic cylinder 14 is arranged in the boring head body 1, then the sliding sleeve 11, the thrust ball bearing 19, the deep groove ball bearing 20, the rotary sleeve 10, the locking nut 21, the retainer 22, the retainer gland 9, the ball 24 and the roller path 25 are sequentially arranged on the boring head body, the pin shaft 17 passes through the sliding sleeve 11 to bore the head body groove and the oil piston rod 16 and is fixed by the tension spring 18, then the floating cutter adjusting block 7, the floating cutter block 5, the scraping and boring cutter blade 4, the safety supporting block 6, the spring 8 are arranged in the floating cutter shell 3 and then arranged in the boring head, the adjusting screw rod 26, the locking ejector rod 27, the jackscrew 28 and the piston rod 16 are assembled and adjusted, the guide key 2 and the damping support block 12 are installed on the boring head body 1 and then are in butt joint with an oil pipe joint, the size of the floating cutter is tested, the size of the expanded size of the ball is tested at the same time, after the adjustment is completed, the guide key is in butt joint with a transmission rod of a machine tool, the size in machining can be controlled and adjusted through the movement of the machine tool, and therefore the D1 drilling hole 31, the D2 drilling hole 32 and the D3 drilling hole 33 in the workpiece 34 are achieved, and multiple stepped holes are machined in one working procedure, and machining requirements are met.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel deep hole multi-functional combination boring cutter, includes boring head body (1), cutter (30) and work piece (34), its characterized in that: a cutter holder (29) is arranged at the center of the front part of the cutter (30), a locking ejector rod (27) is arranged at the rear part of the cutter holder (29), an adjusting screw rod (26) is arranged outside the locking ejector rod (27), a piston rod (16) is arranged behind the adjusting screw rod (26), a tension spring (18) is arranged in the middle of the piston rod (16) in a surrounding mode, and a group of pin shafts (17) are arranged on the upper portion and the lower portion of the rear side of the opening of the tension spring (18);

the rear portion of the cutter (30) is provided with a mandrel (13), a hydraulic cylinder body (14) is installed in the rear portion of the mandrel (13), an oil cylinder spring (15) is ejected behind a piston rod (16), the piston rod (16) and the oil cylinder spring (15) are both installed in a front groove of the hydraulic cylinder body (14), and meanwhile, a damping support block (12) is installed on the annular surface of the front portion of the mandrel (13) through a fixing bolt.

2. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: the front part of the mandrel (13) is provided with a raceway (25), the outer side of the raceway (25) is provided with a ball (24), the rear side of the ball (24) is provided with a top column (23), and the top column (23) is provided with a retainer (22).

3. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: sliding sleeve (11) have been put to the position cover between dabber (13) upper retainer (22) and extension spring (18), and swivel housing (10) have been put to the outside cover of sliding sleeve (11), install lock nut (21) on swivel housing (10) to install deep groove ball bearing (20) and thrust ball bearing (19) between sliding sleeve (11) and swivel housing (10), deep groove ball bearing (20) are located the front side of thrust ball bearing (19) simultaneously.

4. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: the upper part of the outer ring surface of the front end of the cutter (30) is provided with a guide key (2), and the bottom of the outer ring surface of the front end of the cutter (30) is provided with a jackscrew (28).

5. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: a floating blade shell (3) is mounted behind the boring head body (1), a scraping and boring blade (4) is mounted behind the floating blade shell (3), and a floating blade block (5) is mounted at the rear part of the scraping and boring blade (4).

6. The novel deep-hole multifunctional combined boring cutter as claimed in claim 5, characterized in that: the floating knife block is characterized in that a safety supporting block (6) is installed on the outer annular surface of the floating knife block (5), a floating knife adjusting block (7) is arranged at the center of the floating knife block (5), a spring (8) is installed on the inner side of the floating knife adjusting block (7), and the spring (8) is annularly arranged on the outer annular surface of the middle part of the adjusting screw rod (26).

7. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: the boring head body (1), the tool apron (29), the locking ejector rod (27), the adjusting screw rod (26) and the piston rod (16) are all located on the same axis, the retainer gland (9) is arranged on the front side of the ball (24), and the retainer gland (9) is sleeved on the tool (30).

8. The novel deep-hole multifunctional combined boring cutter as claimed in claim 1, characterized in that: the boring head body (1) at the front end of the cutter (30) can extend into the workpiece (34) to be arranged, a D1 drilling hole (31), a D2 drilling hole (32) and a D3 drilling hole (33) can be machined in the workpiece (34) from front to back, and the hole diameters of the three are sequentially increased.