CN204108335U - Combined type internal lathe-tool - Google Patents
Combined type internal lathe-tool Download PDFInfo
- Publication number
- CN204108335U CN204108335U CN201420547825.0U CN201420547825U CN204108335U CN 204108335 U CN204108335 U CN 204108335U CN 201420547825 U CN201420547825 U CN 201420547825U CN 204108335 U CN204108335 U CN 204108335U
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- CN
- China
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- mounting plane
- blade
- combined type
- type internal
- pressing plate
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Abstract
The utility model provides a kind of combined type internal lathe-tool, belongs to process tool technical field.It solve the problem that in existing internal lathe-tool, blade stability is poor, machining accuracy is low.This combined type internal lathe-tool, comprise knife bar and the cutter head being located at knife bar front portion, the thickness of cutter head is less than the thickness of knife bar, cutter head has the mounting plane be arranged in parallel with knife bar upper surface, mounting plane has blade installation slot, be provided with triangular blade in blade installation slot, mounting plane be also provided with the pressing plate for being fixed on by triangular blade in blade installation slot, between mounting plane and pressing plate, be provided with the position limiting structure for preventing pressing plate from swinging.The utility model has the advantage such as good stability, reasonable in design.
Description
Technical field
The utility model belongs to process tool technical field, relates to a kind of internal lathe-tool, particularly a kind of combined type internal lathe-tool.
Background technology
In Vehicle Processing, normal employing internal lathe-tool carries out interior hole machined to workpiece, internal lathe-tool is generally made up of knife bar and cutter head, by bolt, blade is fixed in the mounting groove of cutter head, blade is in the process of processing workpiece, owing to being subject to External Force Acting, the position of blade can offset, thus affects machining accuracy.
For this reason, Chinese patent discloses a kind of double-head lathe tool rod [Authorization Notice No. is: CN 202270989 U], comprise knife bar, billmpse tool sheet, internal lathe-tool sheet and dog screw, end, knife bar one end is symmetrically arranged with two cutter heads along knife bar axis, billmpse tool sheet and internal lathe-tool sheet are fixed on a cutter head each via dog screw, wherein billmpse tool sheet and internal lathe-tool sheet are all furnished with compact heap, by housing screw, compact heap are pressed on blade, two blades are fixed and clamped.This double-head lathe tool rod is when processing work, and compact heap easily swings around housing screw, and the application point that after swinging, compact heap acts on internal lathe-tool sheet occurs and changes, internal lathe-tool sheet loosens, and existence and stability is poor, the problem that machining accuracy is low.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the combined type internal lathe-tool of a kind of good stability, reasonable in design.
The purpose of this utility model realizes by following technical proposal:
This combined type internal lathe-tool, comprise knife bar and the cutter head being located at knife bar front portion, the thickness of described cutter head is less than the thickness of knife bar, it is characterized in that, described cutter head has the mounting plane be arranged in parallel with knife bar upper surface, described mounting plane has blade installation slot, triangular blade is provided with in described blade installation slot, described mounting plane being also provided with the pressing plate for being fixed on by triangular blade in blade installation slot, between described mounting plane and pressing plate, being provided with the position limiting structure for preventing pressing plate from swinging.
During installation, be first loaded in blade installation slot by triangular blade, install pressing plate after adjusting position, make pressing plate push down triangular blade, installation and removal are convenient.Add position limiting structure in this internal lathe-tool, can prevent pressing plate from swinging man-hour adding, good stability, thus the machining accuracy improving workpiece.
In above-mentioned combined type internal lathe-tool, described pressing plate comprises body, be located at body portion and the compressed part extended to above triangular blade and be located at rear body perpendicular to the limiting section of body to downward-extension, the minimum point of described compressed part is equal to the distance of body upper surface with the minimum point of limiting section to the distance of body upper surface, described body is provided with bolt, and the lower end of described bolt is threaded with the screwed hole be located on mounting plane.
In above-mentioned combined type internal lathe-tool, described position limiting structure comprises being located at mounting plane keeps off along the stopper slot that surrounds and the limiting section being located at described rear body by annular, described limiting section stretches in described stopper slot, and the width of described stopper slot equals the width of described limiting section.
In above-mentioned combined type internal lathe-tool, the upper surface of described triangular blade is concordant with described mounting plane, and the bottom surface of described stopper slot is a little more than described mounting plane.
Because the upper surface of triangular blade and the bottom surface of stopper slot are not in same plane, after installing pressing plate, pressing plate is in heeling condition, and under the effect of bolt, the pressure that the compressed part of pressing plate causes triangular blade is larger, presses tighter by triangular blade.
In above-mentioned combined type internal lathe-tool, described blade installation slot place is provided with arc groove.Adding man-hour, triangular blade is by the squeezing action of workpiece to be processed, triangular knife sector-meeting occurs slight mobile along blade installation slot, this arc groove is set and then provides sufficient spatial accommodation to triangular blade, triangular blade can not be rubbed with mounting groove, effectively extend the service life of triangular blade.
In above-mentioned combined type internal lathe-tool, described mounting plane is provided with clearance surface, and described clearance surface extends to the upper surface of described knife bar.
In above-mentioned combined type internal lathe-tool, be provided with triangle pad between described triangular blade and blade installation slot, described triangular blade and triangle pad are fixed by screws in blade installation slot.
Compared with prior art, this combined type internal lathe-tool has the following advantages:
Because the upper surface of triangular blade and the bottom surface of stopper slot are not in same plane, pressing plate is in heeling condition, under the effect of bolt, the pressure that the compressed part of pressing plate causes triangular blade is larger, triangular blade is pressed tighter, the stability of further lifting triangular blade, thus make machining accuracy higher; The stopper slot kept off along surrounding by annular can better carry out spacing to pressing plate, prevents pressing plate from operationally swinging, and promotes the stability of triangular blade further.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of preferred embodiment that the utility model provides.
Fig. 2 is the side view of Fig. 1 center platen that the utility model provides.
In figure, 1, knife bar; 2, cutter head; 21, mounting plane; 22, arc groove; 23, clearance surface; 3, triangular blade; 4, pressing plate; 41, body; 42, compressed part; 43, limiting section; 44, bolt; 51, annular gear edge; 52, stopper slot.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Combined type internal lathe-tool as shown in Figure 1, comprise knife bar 1 and the cutter head 2 being located at knife bar 1 front portion, the thickness of cutter head 2 is less than the thickness of knife bar 1.As shown in Figure 1, cutter head 2 has the mounting plane 21 be arranged in parallel with knife bar 1 upper surface, mounting plane 21 has blade installation slot, is disposed with triangle pad and triangular blade 3 in this mounting groove from top to bottom, triangular blade 3 and triangle pad are fixed by screws in blade installation slot.As shown in Figure 1, mounting plane 21 being also provided with the pressing plate 4 for being fixed on by triangular blade 3 in blade installation slot, between mounting plane 21 and pressing plate 4, being provided with the position limiting structure for preventing pressing plate 4 from swinging.
The structure of pressing plate 4 as shown in Figure 2, pressing plate 4 comprises body 41, be located at the anterior and compressed part 42 extended to above triangular blade 3 of body 41 and be located at body 41 rear portion perpendicular to the limiting section 43 of body 41 to downward-extension, the minimum point of compressed part 42 is equal to the distance of body 41 upper surface with the minimum point of limiting section 43 to the distance of body 41 upper surface, body 41 is provided with bolt 44, and the lower end of bolt 44 is threaded with the screwed hole be located on mounting plane 21.
As shown in Figure 1, position limiting structure comprises is located at being kept off along 51 stopper slots surrounded 52 and the limiting section 43 being located at described body 41 rear portion by annular on mounting plane 21, and limiting section 43 stretches in stopper slot 52, and the width of stopper slot 52 equals the width of limiting section 43.In the present embodiment, the upper surface of triangular blade 3 is concordant with mounting plane 21, and the bottom surface of stopper slot 52 is a little more than mounting plane 21.Because the upper surface of triangular blade 3 and the bottom surface of stopper slot 52 are not in same plane, after installing pressing plate 4, pressing plate 4 is in heeling condition, under the effect of bolt 44, the pressure that compressed part 42 pairs of triangular blades 3 of pressing plate 4 cause is larger, presses tighter by triangular blade 3.
As shown in Figure 1, blade installation slot place is provided with arc groove 22.Adding man-hour, triangular blade 3 is by the squeezing action of workpiece to be processed, triangular blade 3 can occur slight mobile along blade installation slot, this arc groove 22 is set and then provides sufficient spatial accommodation to triangular blade 3, triangular blade 3 can not be rubbed with mounting groove, effectively extend the service life of triangular blade 3.As shown in Figure 1, mounting plane 21 is provided with clearance surface 23, clearance surface 23 extends to the upper surface of knife bar 1.
During installation, be first loaded in blade installation slot by triangular blade 3, install pressing plate 4 after adjusting position, make pressing plate 4 push down triangular blade 3, installation and removal are convenient.Add position limiting structure in this internal lathe-tool, can prevent pressing plate 4 from swinging man-hour adding, good stability, thus the machining accuracy improving workpiece.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. a combined type internal lathe-tool, comprise knife bar (1) and be located at the anterior cutter head (2) of knife bar (1), the thickness of described cutter head (2) is less than the thickness of knife bar (1), it is characterized in that, described cutter head (2) has the mounting plane (21) be arranged in parallel with knife bar (1) upper surface, described mounting plane (21) has blade installation slot, triangular blade (3) is provided with in described blade installation slot, described mounting plane (21) is also provided with the pressing plate (4) for being fixed on by triangular blade (3) in blade installation slot, the position limiting structure for preventing pressing plate (4) from swinging is provided with between described mounting plane (21) and pressing plate (4).
2. combined type internal lathe-tool according to claim 1, it is characterized in that, described pressing plate (4) comprises body (41), be located at body (41) anterior and extend to triangular blade (3) top compressed part (42) and be located at body (41) rear portion perpendicular to the limiting section (43) of body (41) to downward-extension, the minimum point of described compressed part (42) is equal to the distance of body (41) upper surface with the minimum point of limiting section (43) to the distance of body (41) upper surface, described body (41) is provided with bolt (44), the lower end of described bolt (44) is threaded with the screwed hole be located on mounting plane (21).
3. combined type internal lathe-tool according to claim 2, it is characterized in that, described position limiting structure comprises being located at mounting plane (21) keeps off the stopper slot (52) surrounded along (51) and the limiting section (43) being located at described body (41) rear portion by annular, described limiting section (43) stretches in described stopper slot (52), and the width of described stopper slot (52) equals the width of described limiting section (43).
4. combined type internal lathe-tool according to claim 3, is characterized in that, the upper surface of described triangular blade (3) is concordant with described mounting plane (21), and the bottom surface of described stopper slot (52) is a little more than described mounting plane (21).
5. the combined type internal lathe-tool according to claim 1 or 2 or 3 or 4, it is characterized in that, described blade installation slot place is provided with arc groove (22).
6. the combined type internal lathe-tool according to claim 1 or 2 or 3 or 4, is characterized in that, described mounting plane (21) is provided with clearance surface (23), and described clearance surface (23) extends to the upper surface of described knife bar (1).
7. the combined type internal lathe-tool according to claim 1 or 2 or 3 or 4, it is characterized in that, be provided with triangle pad between described triangular blade (3) and blade installation slot, described triangular blade (3) and triangle pad are fixed by screws in blade installation slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547825.0U CN204108335U (en) | 2014-09-23 | 2014-09-23 | Combined type internal lathe-tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420547825.0U CN204108335U (en) | 2014-09-23 | 2014-09-23 | Combined type internal lathe-tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204108335U true CN204108335U (en) | 2015-01-21 |
Family
ID=52325693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420547825.0U Expired - Fee Related CN204108335U (en) | 2014-09-23 | 2014-09-23 | Combined type internal lathe-tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204108335U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436120A (en) * | 2018-06-14 | 2018-08-24 | 中原内配集团安徽有限责任公司 | A kind of cylinder sleeve borer |
-
2014
- 2014-09-23 CN CN201420547825.0U patent/CN204108335U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108436120A (en) * | 2018-06-14 | 2018-08-24 | 中原内配集团安徽有限责任公司 | A kind of cylinder sleeve borer |
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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: 20150121 Termination date: 20150923 |
|
| EXPY | Termination of patent right or utility model |