CN203526592U - Expanding cutter groove boring head - Google Patents
Expanding cutter groove boring head Download PDFInfo
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- CN203526592U CN203526592U CN201320617993.8U CN201320617993U CN203526592U CN 203526592 U CN203526592 U CN 203526592U CN 201320617993 U CN201320617993 U CN 201320617993U CN 203526592 U CN203526592 U CN 203526592U
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- hole
- pull rod
- tiltedly
- rod shaft
- head
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- 238000003754 machining Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The utility model provides an expanding cutter groove boring head which comprises a chuck head. A cavity is formed in one side of the chuck head, the protruding portion of a sliding block is arranged in the cavity, and the size of the vertical direction of the protruding portion is smaller than that of the vertical direction of the cavity. A shaft sleeve is arranged on the other side of the chuck head, a pull rod shaft is in clearance fit with the shaft sleeve, one end of the pull rod shaft is arranged in the shaft sleeve, and the central axis of the chuck head, the central axis of the shaft sleeve and the central axis of the pull rod shaft coincide. The expanding cutter groove boring heads is characterized in that a first inclined carved hole is formed in the matched end of the pull rod shaft, and one end of a sliding column stretches into and is fixed in the first inclined carved hole; a second inclined carved hole is formed in the sliding block, an opening of the second inclined carved hole is formed in the protruding portion of the sliding block, and the other end of the sliding column stretches into the second inclined carved hole and is in clearance fit with the second inclined carved hole. Compared with the prior art, the expanding cutter groove boring head is simple in structure, small in clearance, resistant to abrasion, stable in operation and high in machining precision.
Description
Technical field
The present invention relates to industrial part processing technique field, part is opened up a kind of exhibition cutter boring ditch head of hole and boring groove especially simultaneously.
Background technology
Hole need to be opened up in the hollow columnar hole, somewhere that often runs into the part blank after casting in field of machining, and the columnar inner surface after exhibition need to bore the part of annular groove, as internal combustion engine pin-and-hole, has together for installing the groove of jump ring in pin-and-hole.At present,, there is unidirectional exhibition cutter boring ditch head, two-way exhibition cutter boring ditch head in the processing of such part.Existing exhibition cutter boring ditch header structure is as shown in Figure 2: gear 5 ' is set in chuck head 1 ', gear 5 ' respectively be arranged on the pull bar tooth bar 4 ' in pull rod shaft 3 ' and the tooth bar being arranged on slide block 6 ' and match.With the exhibition knife structure of boring cutter as shown in Figure 1: exhibition cutter 8 is an integral body with exhibition handle of a knife 7, and boring cutter 9 is fixed on exhibition handle of a knife 7, during use, open up on the slide block 6 ' that handle of a knife 7 is fixed on exhibition cutter boring ditch head.When carrying out operation, exhibition cutter 8 progresses into hollow columnar hole to be processed and opens up hole, and exhibition hole is finished rear exhibition cutter 8 and moved on through the hole extending, and boring cutter 9 enters (at this moment boring cutter 9 does not contact with the internal surface of hole extending) in the hole extending; Now pull rod shaft 3 ' moves a certain distance to the left or to the right under hydraulic jack effect, drive the pull bar tooth bar 4 ' on it also to move a certain distance to the left or to the right, pull bar tooth bar 4 ' driven gear 5 ' clockwise or rotate counterclockwise certain angle, the rotation band movable slider 6 ' of gear 5 ' also moves up or down certain distance, thereby the exhibition cutter 8, the boring cutter 9 that make to be fixed on slide block 6 ' also move up or down corresponding distance.Owing to now opening up cutter 8 through the hole extending, therefore can not cause to part to be processed any damage, and boring cutter 9 is owing to moving up or down corresponding distance, can in the hole that boring is good, bore the groove of respective depth.
But, because the displacement of slide block 6 ' in this exhibition cutter boring ditch head realizes by gear, tooth bar, and the engagement of gear, tooth bar inevitably needs certain gap, the existence in this gap inevitably causes amount of feed of boring tool to produce error, thereby affects the precision of finished product.The more important thing is, for the more shallow groove of boring system, because amount of feed of boring tool is limited, just upper specific certain the several tooth of gear 5 ' even certain two tooth respectively with the upper specific even some teeth of certain several tooth of pull bar tooth bar 4 ' and the even some tooth engagements of upper specific certain the several tooth of slide block 6 ', after long-time use, these teeth even this tooth can increase the weight of wearing and tearing, and gap can be increasing, and the precision of finished product can be worse and worse.
Summary of the invention
The object of the invention is the above-mentioned defect existing in order to overcome prior art, a kind of gap between moving-member, exhibition cutter boring ditch head of raising boring cutter machining accuracy eliminated is as far as possible provided.
For realizing this object, technical scheme of the present invention is:
This exhibition cutter boring ditch head, comprises chuck head, and a side of chuck head arranges cavity, and the protuberance of slide block is placed in cavity, and the size of described protuberance vertical direction is less than the size of cavity vertical direction; The opposite side installing axle sleeve of chuck head, one end is arranged on pull rod shaft and the axle sleeve matched in clearance in axle sleeve, the central axes of chuck head, axle sleeve and pull rod shaft, the abutting end of described pull rod shaft arranges first and tiltedly carves hole, and one end of traveller is stretched into and is fixed on first and tiltedly carves in hole; On slide block, also arrange second and tiltedly carve hole, second tiltedly carves the protuberance that hole is opened on slide block, and the other end of traveller stretches into second and tiltedly carves in hole and matched in clearance.Although tiltedly carving between hole due to traveller and second is matched in clearance, this gap is just in order to produce the needs of slip, and gap is more much smaller than the gap of rack-and-pinion transmission.And traveller and second tiltedly to carve between hole be the face contact slide between integral body, contact area is large, wearing and tearing are more much smaller than some contact or line contact wear between specific certain several tooth; Also have, traveller and second is tiltedly carved the face that passes through of power between hole and contact, is stably, and between rack-and-pinion, the transmission of power is that a contact or line contact, and clashes into greatlyr, is reflected on the mobile accuracy of slide block, and relative superiority or inferiority is stood and sentenced.
First tiltedly carves the axial line and the horizontal angle α that tiltedly carve hole in hole and second is preferably 10 °-20 ° more preferably 15 °.
One end of described traveller is stretched into and is fixed by screws in first and tiltedly carves in hole.
Compared with prior art, the present invention is simple in structure, and gap is little, resistance to wear, smooth running, machining accuracy are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing integral type exhibition cutter boring cutter.
Fig. 2 is the structural representation of existing exhibition cutter boring ditch head.
Fig. 3 is a kind of structural representation of opening up cutter boring ditch head of the present invention,
In figure: 1 chuck head, 1-1 cavity, 2 axle sleeves, 3 ' tooth bar pull rod shaft, 3 pull rod shaft, 3-1 first tiltedly carves hole, 4 ' pull bar tooth bar, 4 travellers, 5 ' gear, 5 screws, 6 ' rack slide, 6 slide blocks, 6-1 second tiltedly carves hole, 7 exhibition handle of a knifes, 8 exhibition cuttves, 9 boring cutters.
The specific embodiment
With reference to accompanying drawing 1 and 3, by embodiment, the invention will be further described; to understand better the present invention; but the present invention is not limited to this embodiment; for the those of ordinary skill under the present invention; do not departing under the prerequisite of this thinking; can also make simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
One side of chuck head 1 arranges cavity 1-1, the protuberance of slide block 6 is placed in cavity, the opposite side installing axle sleeve 2 of chuck head 1, one end is arranged on the pull rod shaft 3 and axle sleeve 2 matched in clearance in axle sleeve, the central axes of chuck head 1, axle sleeve 2 and pull rod shaft 3, the abutting end of described pull rod shaft 3 arranges first and tiltedly carves hole 3-1, and one end of traveller 4 is stretched into and is fixed on first by screw 5 and tiltedly carves in the 3-1 of hole; On slide block 6, also arrange second and tiltedly carve hole 6-1, second tiltedly carves the protuberance that hole 6-1 is opened on slide block 6, and the other end of traveller 4 stretches into second and tiltedly carves in the 6-1 of hole and matched in clearance.First tiltedly to carve axial line and the horizontal angle α that hole 3-1 and second tiltedly carves hole 6-1 be 15 °.Pull rod shaft 3 is installed on the main spindle box of numerical control horizontal boring machine, and is connected with hydraulic thrust drawing device by the external screw thread in pull rod shaft 3, and exhibition handle of a knife 7 is directly or indirectly arranged on slide block 6,
Workpiece to be processed is fixed on workbench, the present invention obtains various rotating speeds and the amount of feeding needing by main spindle box, exhibition cutter 8 expands the hole that has cast out or processed on workpiece, increase along with the amount of feeding, exhibition cutter 8 completes bore hole operation and passes outside hole, now boring cutter 9 enters predetermined station, hydraulic thrust drawing device pulls pull rod shaft 3 to move horizontally the distance of setting, the traveller 4 being fixed in pull rod shaft 3 also moves horizontally same distance, 6 of slide blocks that coordinate with traveller 4 move corresponding distance in the vertical direction, the integral type exhibition cutter boring cutter being directly or indirectly arranged on slide block 6 also moves corresponding distance in the vertical direction, thereby obtain corresponding side-play amount, because now the present invention is also in rotation status, just the predetermined station place in hole bores the groove of respective depth.After groove boring system completes, hydraulic thrust drawing device moves horizontally the distance of setting in the opposite direction, similar to aforementioned process, and boring cutter 9 exits the groove main spindle box processing and drives integral type exhibition cutter boring cutter to return to home position, this process is complete, and next process by that analogy.
Although tiltedly carving between the 6-1 of hole due to traveller 4 and second is matched in clearance, this gap is just in order to produce the needs of slip, and gap is more much smaller than the gap of rack-and-pinion transmission.And traveller 4 and second tiltedly to carve between the 6-1 of hole be that face between integral body contacts, contact area is large, wearing and tearing are more much smaller than some contact or line contact wear between specific certain several tooth; Also have, traveller 4 and second is tiltedly carved the face that passes through of power between the 6-1 of hole and contact, is stably, and between rack-and-pinion, the transmission of power is that a contact or line contact, and clashes into greatlyr, is reflected on the mobile accuracy of slide block, and relative superiority or inferiority is stood and sentenced.
Claims (4)
1. an exhibition cutter boring ditch head, comprises chuck head (1), and a side of chuck head (1) arranges cavity (1-1), and the protuberance of slide block (6) is placed in cavity (1-1), and the size of described protuberance vertical direction is less than the size of cavity (1-1) vertical direction; The opposite side installing axle sleeve (2) of chuck head (1), one end is arranged on the pull rod shaft (3) and axle sleeve (2) matched in clearance in axle sleeve (2), the central axes of chuck head (1), axle sleeve (2) and pull rod shaft (3), the abutting end that it is characterized in that described pull rod shaft (3) arranges first and tiltedly carves hole (3-1), and one end of traveller (4) is stretched into and is fixed on first and tiltedly carves in hole (3-1); On slide block (6), arrange second and tiltedly carve hole (6-1), second tiltedly carves the protuberance that hole (6-1) is opened on slide block (6), and the other end of traveller (4) stretches into second and tiltedly carves in hole (5-1) and matched in clearance.
2. a kind of exhibition cutter boring ditch head according to claim 1, it is characterized in that described first, tiltedly to carve the axial line and the horizontal angle α that tiltedly carve hole (6-1) in hole (3-1) and second be 10 °-20 °.
3. a kind of exhibition cutter boring ditch head according to claim 1, the one end that it is characterized in that described traveller (4) is stretched into and is passed through screw (5) and is fixed on first and tiltedly carves in hole (3-1).
4. a kind of exhibition cutter boring ditch head according to claim 2, is characterized in that described α is 15 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617993.8U CN203526592U (en) | 2013-10-09 | 2013-10-09 | Expanding cutter groove boring head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320617993.8U CN203526592U (en) | 2013-10-09 | 2013-10-09 | Expanding cutter groove boring head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203526592U true CN203526592U (en) | 2014-04-09 |
Family
ID=50412854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320617993.8U Expired - Lifetime CN203526592U (en) | 2013-10-09 | 2013-10-09 | Expanding cutter groove boring head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203526592U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480879A (en) * | 2013-10-09 | 2014-01-01 | 解居麟 | Single-slide facing head |
-
2013
- 2013-10-09 CN CN201320617993.8U patent/CN203526592U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480879A (en) * | 2013-10-09 | 2014-01-01 | 解居麟 | Single-slide facing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160405 Address after: 273200 Shandong Province Economic Development Zone Jining city Surabaya County Ji Quan Shandong Huichuan Auto Parts Co. Patentee after: SHANDONG HUICHUAN AUTO PARTS CO.,LTD. Address before: 265703 Shandong city of Yantai province Longkou City Longgang Economic Development Zone Yanwei road Okawa Company Station Patentee before: Xie Julin |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
|
| CX01 | Expiry of patent term |