CN211464866U - High-rigidity cutter mounting extension bar - Google Patents
High-rigidity cutter mounting extension bar Download PDFInfo
- Publication number
- CN211464866U CN211464866U CN201922395533.5U CN201922395533U CN211464866U CN 211464866 U CN211464866 U CN 211464866U CN 201922395533 U CN201922395533 U CN 201922395533U CN 211464866 U CN211464866 U CN 211464866U
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- CN
- China
- Prior art keywords
- rod
- extension bar
- cutter
- fixed
- threaded connection
- 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 belongs to the technical field of a machinery apparatus technique and specifically relates to a high rigidity cutter installation extension bar, including the body of rod, side solid pole and fixed orifices, the body of rod is inside to be seted up hollow groove, fixed cover is installed to fixed mounting in the hollow groove, the interior terminal surface of the body of rod is provided with the side solid pole, the side terminal surface of side solid pole has seted up fixed orifices and locating hole from top to bottom in proper order, threaded connection has fastening screw in the fixed orifices, the outer terminal surface threaded connection of locating hole has the locating pin, the inside of side solid pole is provided with the cutter arbor, the up end of cutter arbor is fixed and is provided with the tool bit; the central through holes of the rod body and the side fixing rods are arranged, so that water can be better introduced, ventilated and cooled, and overheating during cutter processing can be effectively prevented; the threaded connection between the side fixing rod and the rod body facilitates the replacement of the side fixing rod when the size range of the diameter of the cutter bar is changed to be too large, the inner diameter specification of the side fixing rod is replaced, and the application range of the rigid cutter can be met greatly.
Description
Technical Field
The utility model relates to a machinery apparatus technical field specifically is a high rigidity cutter installation extension bar.
Background
The cutter extension bar on the market is mainly applicable to die cavity and deep trouth class extension processing at present, because the application range of high rigidity cutter is wide to this kind of cutter extension bar presss from both sides the tool bore precision height, need not the chuck, and the clamping is convenient, only need with locking side screw can, and the anti-seismic performance when machining is good, add man-hour universal use in the extension.
But this type of cutter extension bar needs to be changed extension bar in the lump when changing different specification cutters to need dismantle from the processing lathe when changing extension bar, it is more hard to waste time, and the cost of labor is high, uses the back for a long time, and the front end of extension bar can produce the friction with the mold processing, has reduced the life of extension bar, consequently, proposes a high rigidity cutter installation extension bar to above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high rigidity cutter installation extension bar to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a high rigidity cutter installation extension bar, includes the body of rod, the solid pole of side and fixed orifices, the hollow groove has been seted up to body of rod inside, fixed mounting has fixed cover in the hollow groove, the interior terminal surface of the body of rod is provided with the solid pole of side, the side end face of the solid pole of side has been from last to having seted up fixed orifices and locating hole down in proper order, threaded connection has fastening screw in the fixed orifices, the outer terminal surface threaded connection of locating hole has the locating pin, the inside of the solid pole of side is provided with the cutter arbor, the fixed tool bit that is provided with of up end of.
Preferably, the front end of the side fixing rod is in a conical ring shape, and a threaded surface is fixedly arranged on the outer surface of the lower end of the side fixing rod.
Preferably, the number of the fixing holes is four, the fixing holes are symmetrically arranged on the side end face of the side fixing rod, and the fixing holes and the positioning holes are located on the same vertical line.
Preferably, the fixed sleeve and the hollow groove are in threaded connection, and the fixed sleeve is an external thread fixing pin.
Preferably, the inner end face of the upper part of the rod body is in threaded connection with the lower end of the side fixing rod, and the rod body and the inside of the side fixing rod are both arranged by adopting a central through hole.
Preferably, the length of the positioning pin is larger than the inner diameter of the side fixing rod, and the diameter of the positioning pin is larger than that of the fastening screw.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, the solid pole of side and the body of rod through setting up adopt threaded connection, when change cutter arbor diameter size scope is too big, conveniently change the solid pole of side, change the internal diameter specification of the solid pole of side, can more satisfy the application scope of rigidity sword.
2. The utility model discloses in, through locating hole and the fixed orifices that sets up in the solid pole outside of side, fix a position when can installing earlier the cutter arbor, reuse fastening screw and fixed orifices cooperation and consolidate, the central through-hole setting of the solid pole of the body of rod and side, water ventilation cooling that can be better prevents effectively that the cutter from adding man-hour overheated, keeps the stability of extension bar.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the installation structure of the present invention;
FIG. 3 is a schematic view of the external structure of the present invention;
fig. 4 is a schematic view of the side fixing rod structure of the present invention.
In the figure: 1-rod body, 2-fixing sleeve, 3-hollow groove, 4-side fixing rod, 5-positioning hole, 6-positioning pin, 7-fixing hole, 8-fastening screw, 9-cutter bar and 10-cutter head.
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. 1-4, the present invention provides a technical solution:
the utility model provides a high rigidity cutter installation extension bar, including the body of rod 1, the solid pole 4 of side and fixed orifices 7, hollow groove 3 has been seted up to body of rod 1 inside, fixed mounting has fixed cover 2 in hollow groove 3, be used for fixing on the processing lathe, the interior terminal surface of the body of rod 1 is provided with the solid pole 4 of side, the side end face of the solid pole 4 of side has been from last to having seted up fixed orifices 7 and locating hole 5 down in proper order, 7 threaded connection in the fixed orifices have fastening screw 8, the outer terminal surface threaded connection of locating hole 5 has locating pin 6, the inside that the solid pole 4 of locating pin 6 can incline is provided with cutter arbor 9, the fixed tool bit 10 that is provided.
The front end of the side fixing rod 4 is in a conical surface ring shape, and the outer surface of the lower end of the side fixing rod 4 is fixedly provided with a threaded surface; the number of the fixing holes 7 is four, the fixing holes are symmetrically arranged on the side end face of the side fixing rod 4 and are positioned on the same vertical line with the positioning holes 5; the conical surface design of the front end of the side fixing rod 4 ensures that the mould and the rod body can rub each other when the side fixing rod is machined again, reduces machining interference, avoids harmful friction, protects the cutter and the rod body, prolongs the service life and reduces the cost;
the fixed sleeve 2 is in threaded connection with the hollow groove 3, and the fixed sleeve 2 is an external thread fixed pin; the inner end surface of the upper part of the rod body 1 is in threaded connection with the lower end of the side fixing rod 4, and the rod body 1 and the side fixing rod 4 are both internally provided with a central through hole; the length of the positioning pin 6 is greater than the inner diameter of the side fixing rod 4, and the diameter of the positioning pin 6 is greater than that of the fastening screw 8; the side fixing rod 4 and the rod body 1 are connected through threads, when the diameter range of the cutter bar 9 is changed to be too large, the side fixing rod 4 is conveniently changed, and the inner diameter specification of the side fixing rod 4 is changed.
The working principle is as follows: firstly, screwing a positioning pin 6 in a positioning hole 5, placing a cutter bar 9 in the side fixing rod 4 until the bottom of the cutter bar is abutted against the positioning pin 6, and then screwing the cutter bar 9 in the side fixing rod 4 by using a fixing hole 7 and a fastening screw 8, thereby completing the step of installing and lengthening a high-rigidity cutter; it is worth noting that: when the change scope of the diameter size of the cutter arbor 9 is too big, the side fixing rod 4 and the rod body 1 are in threaded connection, so that the side fixing rod 4 is convenient to change, the inner diameter specification of the side fixing rod 4 is changed, and the application scope of the rigid cutter is greatly 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 (6)
1. The utility model provides a high rigidity cutter installation extension bar, includes the body of rod (1), the solid pole of side (4) and fixed orifices (7), its characterized in that: the utility model discloses a fixed tool bit, including the body of rod (1), the body of rod (1) is inside to be seted up hollow groove (3), fixed mounting has fixed cover (2) in hollow groove (3), the interior terminal surface of the body of rod (1) is provided with the solid pole of side (4), the side end face of the solid pole of side (4) has been seted up fixed orifices (7) and locating hole (5) from last to down in proper order, fixed orifices (7) female connection has fastening screw (8), the outer terminal surface threaded connection of locating hole (5) has locating pin (6), the inside of the solid pole of side (4) is provided with cutter arbor (9), the fixed tool bit (10) that is provided with of.
2. A high rigidity tool mounting extension bar according to claim 1, wherein: the front end of the side fixing rod (4) is in a conical ring shape, and a thread surface is fixedly arranged on the outer surface of the lower end of the side fixing rod (4).
3. A high rigidity tool mounting extension bar according to claim 1, wherein: the number of the fixing holes (7) is four, the fixing holes are symmetrically arranged on the side end face of the side fixing rod (4), and the fixing holes and the positioning holes (5) are located on the same vertical line.
4. A high rigidity tool mounting extension bar according to claim 1, wherein: the fixing sleeve (2) is in threaded connection with the hollow groove (3), and the fixing sleeve (2) is an external thread fixing pin.
5. A high rigidity tool mounting extension bar according to claim 1, wherein: the inner end face of the upper portion of the rod body (1) is in threaded connection, the inner end face of the upper portion of the rod body is in threaded connection with the lower end of the side fixing rod (4), and the rod body (1) and the side fixing rod (4) are arranged in a central through hole.
6. A high rigidity tool mounting extension bar according to claim 1, wherein: the length of the positioning pin (6) is larger than the inner diameter of the side fixing rod (4), and the diameter of the positioning pin (6) is larger than that of the fastening screw (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395533.5U CN211464866U (en) | 2019-12-27 | 2019-12-27 | High-rigidity cutter mounting extension bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922395533.5U CN211464866U (en) | 2019-12-27 | 2019-12-27 | High-rigidity cutter mounting extension bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211464866U true CN211464866U (en) | 2020-09-11 |
Family
ID=72365517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922395533.5U Expired - Fee Related CN211464866U (en) | 2019-12-27 | 2019-12-27 | High-rigidity cutter mounting extension bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211464866U (en) |
-
2019
- 2019-12-27 CN CN201922395533.5U patent/CN211464866U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |