CN202963504U - Boring head component - Google Patents
Boring head component Download PDFInfo
- Publication number
- CN202963504U CN202963504U CN 201220694799 CN201220694799U CN202963504U CN 202963504 U CN202963504 U CN 202963504U CN 201220694799 CN201220694799 CN 201220694799 CN 201220694799 U CN201220694799 U CN 201220694799U CN 202963504 U CN202963504 U CN 202963504U
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- CN
- China
- Prior art keywords
- tapered sleeve
- retaining frame
- boring head
- mandrel
- roller assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a boring head component which comprises a core shaft, a taper sleeve, a shield frame component, and a pin roller component. The core shaft is provided with a shaft shoulder. The taper sleeve is sleeved on the core shaft, and one end with larger diameter of the taper sleeve is abutted against the shaft shoulder. The shield frame component is fixedly arranged on the core shaft and abutted against one end with smaller diameter of the taper sleeve. The pin roller component is arranged on the taper sleeve in a sleeved mode. An adjusting nut which is between the ping roller component and the shaft shoulder and a circular adjusting pad which is between the shield frame component and the pin roller component are arranged on the taper sleeve in a sleeved mode. A clamping buckle structure is arranged between the adjusting pad and the shield frame component, and the clamping buckles are matched with each other. When the adjusting pad rotates to enable the clamping buckle structure in a closing state, the pin roller component is at the processing position of the taper sleeve with larger diameter, or when the adjusting pad rotates to enable the clamping buckle structure in a loosening state, the pin roller component is at the tool retracting position of the taper sleeve with smaller diameter. The boring head component is simple in structure and convenient to use, the adjusting pad is not needed to be disassembled and assembled, and thus processing efficiency is effectively improved.
Description
Technical field
The utility model relates to the boring manufacture field, in particular to a kind of boring head assembly.
Background technology
As depicted in figs. 1 and 2, boring head assembly of the prior art generally comprises mandrel 10 and is arranged on tapered sleeve 7, the retaining frame assembly 1 on mandrel 10 and is arranged on roller assembly 4 on tapered sleeve 7.In Fig. 1, mandrel 10 right-hand members are provided with rectangular thread, are used for being connected with the boring bar of lathe, and retaining frame assembly 1 is fixed on mandrel 10 by screw 2, and roller assembly 4 can roll on the outer cone of tapered sleeve 7 and move axially, thereby plays the effect of rolling and processing.
Particularly, roller assembly 4 can be different at axial location on tapered sleeve 7, its size Φ D that can process is also different, by the position of adjusting nut 6 and gauge, the installation site of adjusting pad 3, control roller assembly 4 at the axial location of tapered sleeve 7, thereby realize the harmomegathus of roller assembly 4 in radial position, reach the purpose of controlling its processing dimension Φ D.8 of bakelite supportings play the support guide effect, are fixed on by screw 9 on the shaft shoulder of mandrel 10.
As shown in Figure 1, add man-hour, boring head assembly first is arranged on adjusting pad 3 (being made of 2 semicircular ring) between retaining frame assembly 1 and roller assembly 4 along arrow direction, thereby makes roller assembly 4 be positioned at tapered sleeve 7 diameters larger positions, satisfies processing request.When machining withdrawing, boring head assembly is along arrow direction, as shown in Figure 2, adjusting pad 3 is pulled down from retaining frame assembly 1 and roller assembly 4, then be arranged between thrust ring 5 and adjusting nut 6, thereby roller assembly 4 is moved to the left, make roller assembly 4 be in the less position of radius of tapered sleeve 7, make roller assembly 4 break away from the finished surface of workpiece, when preventing withdrawing, roller assembly 4 scratches finished surface, and reduces the withdrawing resistance.
Although when boring head assembly of the prior art can prevent withdrawing effectively, roller assembly 4 scratches finished surface.But in processing and withdrawing process, because adjusting pad 3 will be arranged on different positions frequently back and forth, and adjust inconvenience is installed, thereby cause working (machining) efficiency low; In addition, because nut 6 is to be threaded connection with tapered sleeve 7, may become flexible in process, thereby affect crudy.
The utility model content
The utility model aims to provide a kind of boring head assembly that can conveniently adjust the axial location of roller assembly on tapered sleeve, is inconvenient to the problem that causes working (machining) efficiency lower with solution adjusting pad adjustment roller assembly axial location.
The utility model provides a kind of boring head assembly, comprise mandrel, tapered sleeve, retaining frame assembly and roller assembly, has the shaft shoulder on mandrel, the end that tapered sleeve is set on mandrel and the tapered sleeve diameter is larger and shaft shoulder butt, the retaining frame assembly is fixedly installed on mandrel and an end butt less with the diameter of tapered sleeve, roller assembly is set on tapered sleeve, also is arranged with on tapered sleeve at the adjusting nut between roller assembly and the shaft shoulder and the adjusting pad in the form of a ring between retaining frame assembly and roller assembly; Be provided with the buckle structure that cooperatively interacts between adjusting pad and retaining frame assembly; Adjusting pad rotates and makes buckle structure when buckling state, and roller assembly is positioned at the Working position at the larger position of tapered sleeve diameter, perhaps makes buckle structure when releasing orientation, and roller assembly is positioned at the withdrawing position at the less position of tapered sleeve diameter.
Further, buckle structure comprises a plurality of push rods that circumferentially arrange along adjusting pad and is arranged on the retaining frame assembly and the axial groove corresponding with push rod, and axial groove and push rod be extending axially along mandrel all; When push rod is connected on the retaining frame assembly, buckle structure is in buckling state; When push rod is arranged in axial groove, buckle structure is in releasing orientation.
Further, the retaining frame assembly comprises retaining frame, and the end of retaining frame and tapered sleeve butt has the flange that radially extends, and axial groove is arranged on flange.
Further, be provided with radial slot adjacent with axial groove and that be communicated with on the end face of the close tapered sleeve of flange, radial slot extends and runs through flange inner peripheral surface and outer peripheral face along the radial direction of mandrel; When buckle structure is in buckling state, push rod is connected on the radial end face of radial slot.
Further, the retaining frame assembly also comprises a plurality of protectors that are set on retaining frame, and the end of retaining frame also is provided with locking nut to lock a plurality of protectors.
Further, protector comprises bakelite support ring and dust scraping ring.
Further, push rod is the accent screw that is arranged on adjusting pad, transfers screw to rotate and drives adjusting pad along the mandrel axial linear movement.
Further, also be provided with the securing member of fixed adjustment nut on mandrel; Be provided with the axially extended screw hole along mandrel on the shaft shoulder, securing member be arranged in screw hole and with the screw that holds out against of adjusting nut butt.
Further, also be provided with the thrust piece between adjusting nut and roller assembly on tapered sleeve, thrust piece comprises the thrust ring that contacts with adjusting nut and the ball that contacts with roller assembly, is provided with the raceway that the guiding ball rolls on thrust ring.
Further, be provided with between the inner peripheral surface of the outer peripheral face of mandrel and tapered sleeve the circumferential spacing pin of tapered sleeve.
According to boring head assembly of the present utility model, by be provided with the buckle structure that cooperatively interacts between adjusting pad and retaining frame assembly, add man-hour, buckle structure fastens, and makes roller assembly be positioned at the larger end of tapered sleeve diameter, makes roller assembly have larger roll extrusion diameter.When machining withdrawing, rotate adjusting pad, buckle structure is unclamped, adjusting pad and roller assembly are moved to the less end of tapered sleeve diameter, prevent that roller assembly from scratching finished surface, reduces the withdrawing resistance.Need compared to existing technology frequently dismounting adjusting pad back and forth, the utility model adjusting pad between retaining frame assembly and roller assembly, does not need dismounting back and forth all the time, and is easy to operate, effectively improves working (machining) efficiency.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that boring head assembly of the prior art is adding the structural representation in man-hour;
Fig. 2 is the structural representation of boring head assembly of the prior art when withdrawing;
Fig. 3 is adding the structural representation in man-hour according to boring head assembly of the present utility model;
Fig. 4 be in Fig. 3 along D to partial schematic diagram;
Fig. 5 is the structural representation when the withdrawing according to boring head assembly of the present utility model;
Fig. 6 be in Fig. 5 along K to partial schematic diagram;
Fig. 7 is the perspective view according to the retaining frame of boring head assembly of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
as shown in Figure 3 and Figure 5, according to boring head assembly of the present utility model, comprise mandrel 10, tapered sleeve 20, retaining frame assembly 30 and roller assembly 40, has the shaft shoulder 11 on mandrel 10, the end that tapered sleeve 20 is set on mandrel 10 and tapered sleeve 20 diameters are larger and the shaft shoulder 11 butts, retaining frame assembly 30 is fixedly installed on mandrel 10 and an end butt less with the diameter of tapered sleeve 20, roller assembly 40 is set on tapered sleeve 20, also be arranged with on tapered sleeve 20 at the adjusting nut 50 between roller assembly 40 and the shaft shoulder 11 and the adjusting pad in the form of a ring 60 between retaining frame assembly 30 and roller assembly 40, be provided with the buckle structure that cooperatively interacts between adjusting pad 60 and retaining frame assembly 30, add man-hour, buckle structure fastens, and makes roller assembly 40 be positioned at the larger end of tapered sleeve 20 diameters, makes roller assembly 40 have larger roll extrusion diameter.When machining withdrawing, rotate adjusting pad 60, buckle structure is unclamped, adjusting pad 60 and roller assembly 40 are moved to the less end of tapered sleeve 20 diameters, prevent that roller assembly 40 from scratching finished surface, reduces the withdrawing resistance.Need compared to existing technology frequently dismounting adjusting pad back and forth, the utility model adjusting pad between retaining frame assembly 30 and roller assembly 40, does not need dismounting back and forth all the time, and is easy to operate, effectively improves working (machining) efficiency.
Particularly, as Fig. 4 and shown in Figure 7, buckle structure comprises a plurality of push rods 61 that circumferentially arrange along adjusting pad 60 and is arranged on retaining frame assembly 30 and the axial groove 31a corresponding with push rod 61, and axial groove 31a and push rod 61 be extending axially along mandrel 10 all; Push rod 61 has and is connected on retaining frame assembly 30 so that roller assembly 40 is arranged in the Working position at tapered sleeve 20 diameters larger positions and is placed in the axial groove 31a on retaining frame assembly 30 so that roller assembly 40 is positioned at the withdrawing position at the less position of tapered sleeve 20 diameters.The utility model is by arranging push rod 61 on adjusting pad 60, and the axial groove 31a corresponding with push rod 61 is set on retaining frame assembly 30.The outer surface of tapered sleeve 20 is the conical surface, adds man-hour, and push rod 61 is connected on retaining frame assembly 30, thereby makes roller assembly 40 be positioned at the larger end of tapered sleeve 20 diameters, makes roller assembly 40 have larger roll extrusion diameter.When machining withdrawing, only need to make push rod 61 be arranged in axial groove 31a, adjusting pad 60 and roller assembly 40 just can move to the less end of tapered sleeve 20 diameters, thereby prevent that roller assembly 40 from scratching finished surface, reduces the withdrawing resistance.Need compared to existing technology frequently dismounting adjusting pad back and forth, the utility model adopts push rod 61 to coordinate with axial groove 31a, and adjusting pad 60 between retaining frame assembly 30 and roller assembly 40, does not need dismounting back and forth all the time, easy to operate, effectively improve working (machining) efficiency.
As Fig. 3, Fig. 5 and shown in Figure 7, retaining frame assembly 30 comprises retaining frame 31, retaining frame 31 is set on mandrel 10 and an end butt less with tapered sleeve 20 diameters, be that tapered sleeve 20 is by the shaft shoulder 11 and retaining frame 31 axial limitings on mandrel 10, in addition, the pin 14 that coordinates with tapered sleeve 20 is set on mandrel 10, thus circumferentially spacing to tapered sleeve 20, thus make the tapered sleeve circumferential and axial all fixing.Usually, retaining frame 31 is fixed on mandrel 10 by screw 31c or other securing members.
Retaining frame 31 has with the end of tapered sleeve 20 butts the flange 31d that radially extends, axial groove 31a is arranged on flange 31d, and namely roller assembly 40 is when Working position, and push rod 61 is connected on the end face of flange 31d, roller assembly 40 is when the withdrawing position, and push rod 61 is arranged in axial groove 31a.When to be roller assembly 40 change to the withdrawing position by the Working position dress, only need to rotate adjusting pad 60, push rod 61 is turned in axial groove 31a by retaining frame 31 end faces, need compared to existing technology frequently dismounting adjusting pad back and forth, boring head assembly of the present utility model only need to rotate adjusting pad 60, easy to operate, effectively improved working (machining) efficiency.
Preferably, as shown in Figure 6 and Figure 7, be provided with the radial slot 31b adjacent with axial groove 31a on the end face of the close tapered sleeve 20 of flange 31d, the edge of radial slot 31b can be spacing to push rod 61, thereby prevent in process, push rod 61 automatic rotatings are in axial groove 31a, therefore radial slot 31b is arranged on a side of axial groove 31a and the direction of rotation of the relative processing work of boring head assembly.Particularly, add man-hour, with boring head assembly adjustment position as shown in Figure 4, namely the end of push rod 61 is connected on the end face of radial slot 31b.After machining, with boring head assembly adjustment position as shown in Figure 6, namely by stirring adjusting pad 60 around the rotation of the axle center of mandrel 10, make push rod 61 be arranged in axial groove 31a, hand is stirred adjusting pad 60, roller assembly 40 to the less lateral movement of tapered sleeve diameter again, makes roller assembly 40 break away from surface of the work; Thereby the protection boring head assembly does not damage machined surface when withdrawing from endoporus, and reduces the withdrawing resistance.
More preferably, push rod 61 is for being arranged on the accent screw on adjusting pad 60, adopt the mode of transferring screw to arrange, transfer the screw can the certain distance of axial rotation, the axial location that namely can exchange whole pad 60 carries out certain adjustment, thereby the roll extrusion radius of roller assembly 40 can suitably be adjusted in certain scope.Rotate and transfer screw, promote adjusting pad 60 and roller assembly 40 along the axially-movable of mandrel 10, thereby reach the purpose of regulating its processing dimension Φ D.Preferably, transfer the end of screw to have aperture, thereby convenient the rotation transferred screw.
Before processing, transfer the end face of screw to be connected on the radial slot 31b of retaining frame 31, then rotate and transfer screw to drive adjusting pad 60 moving linearlies, move on the outer cone of tapered sleeve 20 thereby promote roller assembly 40, after reaching its processing dimension of control Φ D, more fixing by adjusting nut 50.
The direct larger end of tapered sleeve 20 is provided with screw thread, adjusting nut 50 and threaded engagement, thus to roller assembly 40 axial restraints, adjusting nut 50 is loosening when preventing work, also be provided with 51 pairs of adjusting nuts of securing member 50 on mandrel 10 fixing, thereby prevent that adjusting nut 50 is loosening.Securing member 51 more preferably mode holds out against screw for adopting, particularly, as shown in Figure 3 and Figure 5, be provided with the axially extended screw hole along mandrel 10 on the shaft shoulder 11, hold out against that screw is arranged in screw hole and with adjusting nut 50 butts, thereby prevent that adjusting nut 50 is loosening, cause roller assembly 40 to move axially, and cause the roll extrusion radius of roller assembly 40 uncertain, cause mismachining tolerance.
Also be provided with thrust piece 70 between adjusting nut 50 and roller assembly 40.Usually, thrust piece 70 comprises the thrust ring 71 that contacts with adjusting nut 50 and the ball 72 that contacts with roller assembly 40, is provided with the raceway that guiding ball 72 rolls on thrust ring 71.In roller assembly 40 rolling process, ball 72 is Free-rolling in the raceway of thrust ring 71, thereby alleviates friction.In addition, thrust piece 70 adopts thrust ring 71 to coordinate with ball 72, and the middle thrust ball bearing that adopts, can reduce costs compared to existing technology.
As shown in Figure 3 and Figure 5, retaining frame assembly 30 also comprises a plurality of protectors 32 that are set on retaining frame 31, and retaining frame 31 ends are provided with screw thread, locking nut 33 and retaining frame 31 threaded engagement, thus a plurality of protectors 32 are locked on retaining frame 31.In addition, loosening in order to prevent locking nut 33, be provided with screw hole radially on locking nut 33, screw 33a is tightened in screw hole, thereby circumferentially locked to locking nut 33, can prevent effectively that locking nut 33 is loosening.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
Boring head assembly of the present utility model, by adopting coordinating of push rod and axial groove between roller assembly and retaining frame assembly, thereby make roller assembly 40 axial easy to adjust reliably.Make boring head assembly of the present utility model can be used for common deep hole working machine, reduced the processing cost of workpiece, and adopt with steel ball and thrust ring replacement thrust ball bearing and effectively reduce purchase cost.
The above is only preferred embodiment of the present utility model, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. boring head assembly, comprise mandrel (10), tapered sleeve (20), retaining frame assembly (30) and roller assembly (40), has the shaft shoulder (11) on described mandrel (10), described tapered sleeve (20) is set in described mandrel (10) upward and a larger end and the described shaft shoulder (11) butt of described tapered sleeve (20) diameter, described retaining frame assembly (30) is fixedly installed on described mandrel (10) upward and an end butt less with the diameter of described tapered sleeve (20), described roller assembly (40) is set on described tapered sleeve (20)
It is characterized in that, also be arranged with on described tapered sleeve (20) be positioned at the adjusting nut (50) between described roller assembly (40) and the described shaft shoulder (11) and be positioned at described retaining frame assembly (30) and described roller assembly (40) between adjusting pad in the form of a ring (60);
Be provided with the buckle structure that cooperatively interacts between described adjusting pad (60) and described retaining frame assembly (30);
Described adjusting pad rotates and makes described buckle structure when buckling state, described roller assembly (40) is positioned at the Working position at the larger position of described tapered sleeve (20) diameter, perhaps make described buckle structure when releasing orientation, described roller assembly (40) is positioned at the withdrawing position at the less position of described tapered sleeve (20) diameter.
2. boring head assembly according to claim 1, is characterized in that,
Described buckle structure comprises along the circumferential a plurality of push rods (61) that arrange of described adjusting pad (60) and is arranged on described retaining frame assembly (30) to be gone up and the axial groove (31a) corresponding with described push rod (61), and described axial groove (31a) and described push rod (61) be extending axially along described mandrel (10) all;
When described push rod (61) is connected on described retaining frame assembly (30), described buckle structure is in buckling state; When described push rod (61) is arranged in described axial groove (31a), described buckle structure is in releasing orientation.
3. boring head assembly according to claim 2, is characterized in that,
Described retaining frame assembly (30) comprises retaining frame (31), and described retaining frame (31) has with the end of described tapered sleeve (20) butt the flange (31d) that radially extends, and described axial groove (31a) is arranged on described flange (31d).
4. boring head assembly according to claim 3, is characterized in that,
Be provided with radial slot (31b) adjacent with described axial groove (31a) and that be communicated with on the end face of the close described tapered sleeve (20) of described flange (31d), described radial slot (31b) extends and runs through described flange (31d) inner peripheral surface and outer peripheral face along the radial direction of described mandrel (10);
When described buckle structure is in described buckling state, described push rod (61) is connected on the radial end face of described radial slot (31b).
5. according to claim 3 or 4 described boring head assemblies, is characterized in that,
Described retaining frame assembly (30) also comprises a plurality of protectors (32) that are set on described retaining frame (31), and the end of described retaining frame (31) also is provided with locking nut (33) to lock described a plurality of protector (32).
6. boring head assembly according to claim 5, is characterized in that,
Described protector comprises bakelite support ring (32a) and dust scraping ring (32b).
7. the described boring head assembly of any one according to claim 2 to 4, is characterized in that,
Described push rod (61) is for being arranged on the accent screw on described adjusting pad (60), and described accent screw rotates and drives described adjusting pad (60) along described mandrel (10) axial linear movement.
8. boring head assembly according to claim 1, is characterized in that,
Also be provided with the securing member (51) of fixing described adjusting nut (50) on described mandrel (10);
Be provided with on the described shaft shoulder (11) along the axially extended screw hole of described mandrel (10), described securing member (51) for be arranged in described screw hole and with the screw that holds out against of described adjusting nut (50) butt.
9. boring head assembly according to claim 1, is characterized in that,
Also be provided with the thrust piece (70) that is positioned between described adjusting nut (50) and roller assembly (40) on described tapered sleeve (20),
Described thrust piece (70) comprises the thrust ring (71) that contacts with described adjusting nut (50) and the ball (72) that contacts with described roller assembly (40), is provided with the raceway that the described ball of guiding (72) rolls on described thrust ring (71).
10. boring head assembly according to claim 1, is characterized in that,
Be provided with between the inner peripheral surface of the outer peripheral face of described mandrel (10) and described tapered sleeve (20) the circumferential spacing pin (14) of described tapered sleeve (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694799 CN202963504U (en) | 2012-12-14 | 2012-12-14 | Boring head component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220694799 CN202963504U (en) | 2012-12-14 | 2012-12-14 | Boring head component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202963504U true CN202963504U (en) | 2013-06-05 |
Family
ID=48504634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220694799 Expired - Fee Related CN202963504U (en) | 2012-12-14 | 2012-12-14 | Boring head component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202963504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234442A (en) * | 2015-11-19 | 2016-01-13 | 湖南特力液压有限公司 | Tool and system for machining inner holes |
-
2012
- 2012-12-14 CN CN 201220694799 patent/CN202963504U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105234442A (en) * | 2015-11-19 | 2016-01-13 | 湖南特力液压有限公司 | Tool and system for machining inner holes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20181214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |