CN203956246U - Assembled pinion cutter - Google Patents
Assembled pinion cutter Download PDFInfo
- Publication number
- CN203956246U CN203956246U CN201420240507.XU CN201420240507U CN203956246U CN 203956246 U CN203956246 U CN 203956246U CN 201420240507 U CN201420240507 U CN 201420240507U CN 203956246 U CN203956246 U CN 203956246U
- Authority
- CN
- China
- Prior art keywords
- cutter tooth
- tooth portion
- cutter
- hole
- knife bar
- 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 kind of assembled pinion cutter, belongs to process tool technical field.It has solved the problem that existing pinion cutter assembling is inconvenient, manufacturing cost is high.This assembled pinion cutter, comprise cutter tooth portion and the knife bar of being located at cutter tooth portion rear end, the periphery of cutter tooth portion has the cutting teeth of some even settings, in cutter tooth portion, there is the through hole of axial setting, knife bar comprises the taper shank portion for coordinating with gear shapping machine and is located at the link rod part of cone shank forward end, the end of link rod part has the ring-shaped step matching with through hole, and cutter tooth portion is located on this ring-shaped step, between cutter tooth portion and knife bar, is provided with fastening structure.The utlity model has easy to assembly, low cost and other advantages.
Description
Technical field
The utility model belongs to process tool technical field, relates to a kind of pinion cutter, particularly a kind of assembled pinion cutter.
Background technology
Tapered shank cutter is a kind ofly to process the straight-tooth of inside and outside engagement or the cutter of angular gear by the theory of engagement, is specially adapted to process the inside engaged gear that diameter is little, the number of teeth is few.Traditional tapered shank cutter is generally monolithic construction, and taper shank portion and cutter tooth portion all adopt the high hardness material such as high-speed steel or carbide alloy to make, and not only waste expensive cutter material, and production cost is high, and the machinability of taper shank portion is low.Have at present a kind of welded type tapered shank cutter, cutter tooth portion adopts different materials by being welded to connect from taper shank portion, and then is processed into tapered shank cutter.Taper shank portion can adopt common steel alloy to make, and has solved the problem that traditional tapered shank cutter production cost is high, taper shank portion machinability is low, but owing to easily there is crackle in welding process, can cause the quality of pinion cutter to reduce, and even occurs waste product.
For this reason, people have invented a kind of adhered tapered shank cutter [Granted publication number is: CN 203330534 U], comprise cutter tooth portion, the neck of taper shank portion and connecting taper shank portion and cutter tooth portion, the screwed hole that one end face axial of cutter tooth portion has a taper hole and is communicated with taper hole, taper shank portion and neck are structure as a whole, the outer face of neck is provided with respectively the taper hole with cutter tooth portion, the cone that screwed hole matches and screw rod, the screw rod of neck is connected with the screwed hole of cutter tooth portion, the cone of neck and the taper hole taper fit of cutter tooth portion simultaneously, neck is fixedly connected with by binding agent with the faying face of cutter tooth portion.
But above-mentioned adhered tapered shank cutter still has following shortcoming: the periphery of cutter tooth portion is provided with cutting teeth, inconvenience is processed the taper hole in cutter tooth portion and screwed hole, when clamping, can exert an influence to cutting teeth; This cutter tooth portion is not standard component, can not directly buy from the market, has certain limitation; The periphery of cutter tooth portion has some cutting teeths, while connection, can not effectively clamp cutter tooth portion with taper shank portion, clamps improper cutting teeth to be impacted, and assembling is inconvenient.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of reasonable in design, assembled pinion cutter easy to assembly.
The purpose of this utility model can realize by following technical proposal:
This assembled pinion cutter, comprise cutter tooth portion and the knife bar of being located at cutter tooth portion rear end, the periphery of described cutter tooth portion has the cutting teeth of some even settings, in described cutter tooth portion, there is the through hole of axial setting, it is characterized in that, described knife bar comprises the taper shank portion for coordinating with gear shapping machine and is located at the link rod part of cone shank forward end, the end of described link rod part has the ring-shaped step matching with above-mentioned through hole, above-mentioned cutter tooth portion is located on this ring-shaped step, between described cutter tooth portion and knife bar, is provided with fastening structure.
Cutter tooth portion is a standard component, can select according to the size of workpiece to be machined, and knife bar is mainly used in connecting gear shapping machine and cutter tooth portion, solves traditional pinion cutter one-body molded, the problem that processing difficulties and cost are high.In this structure, pinion cutter is divided into two, respectively cutter tooth portion and knife bar is processed, after completion of processing, both are assembled.
In above-mentioned assembled pinion cutter, described fastening structure comprises the screwed hole of being axially located at link rod part end, is arranged in screw and pad in this screwed hole, described screwed hole and link rod part coaxially arrange, one side of described pad is resisted against in cutter tooth portion, and its opposite side is resisted against on the bar head of described screw.
When installation, the front end of link rod part is inserted in the through hole of cutter tooth portion, through hole is coordinated with ring-shaped step, pad is nested on screw, inserts screw from the front end of cutter tooth portion, and this screw is threaded with screwed hole, until a side of pad is resisted against in cutter tooth portion, opposite side is resisted against on the bar head of screw, easy for installation, can not affect the cutting teeth in cutter tooth portion when installation.
In above-mentioned assembled pinion cutter, in described cutter tooth portion, have and the coaxial layer hole arranging of above-mentioned through hole, the diameter in described layer hole is greater than the diameter of through hole, and the length in described layer hole is greater than the length of the bar head of screw, and a side of above-mentioned pad is resisted against on the end in this layer of hole.This layer of hole is mainly used in holding bar head and the pad of screw, makes the bar head of screw can not protrude from the outer end of cutter tooth portion, adds and can not exert an influence to workpiece man-hour, improves the machining accuracy of this pinion cutter.
In above-mentioned assembled pinion cutter, described knife bar is made up of ordinary steel material.Knife bar is made with general Steel material, can save large quantities of rare metal and hard alloy steel, thereby reduces the cost of pinion cutter.
In above-mentioned assembled pinion cutter, described cutting teeth is 17.
In above-mentioned assembled pinion cutter, described cutting teeth comprises cutter tooth side, cutter tooth lip surface and cutter tooth end face.
Compared with prior art, this assembled pinion cutter has following advantage:
Pinion cutter is divided into cutter tooth portion and knife bar, respectively it is processed with different materials, and the material of knife bar, a little less than the material of cutter tooth portion, reaches the object cutting down finished cost; Because cutter tooth portion is standard configuration, only need buy from the market and can use, save procedure of processing, enhance productivity; Knife bar and cutter tooth portion are easy to assembly, assemble sound construction, the good stability of rear cutter tooth portion, and the precision of workpiece to be processed is high, improve crudy.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of preferred embodiment of providing of the utility model.
Fig. 2 is the structural representation of the cutting teeth that provides of the utility model.
In figure, 1, cutter tooth portion; 11, through hole; 12, layer hole; 2, knife bar; 21, taper shank portion; 22, link rod part; 23, ring-shaped step; 24, screwed hole; 3, cutting teeth; 31, cutter tooth lip surface; 32, cutter tooth side; 33, cutter tooth end face; 41, screw; 42, pad.
Detailed description of the invention
Be below specific embodiment of the utility model 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 embodiment.
Assembled pinion cutter as shown in Figure 1, be made up of with the knife bar 2 of being located at cutter tooth portion 1 rear end cutter tooth portion 1, the periphery of cutter tooth portion 1 has the cutting teeth 3 of some even settings, in the present embodiment, the quantity of cutting teeth 3 is 17, has the through hole 11 of axial setting in cutter tooth portion 1.
As shown in Figure 1, knife bar 2 comprises the taper shank portion 21 for coordinating with gear shapping machine and is located at the link rod part 22 of taper shank portion 21 front ends, the end of link rod part 22 has the ring-shaped step 23 matching with through hole 11, and cutter tooth portion 1 is located on this ring-shaped step 23, between cutter tooth portion 1 and knife bar 2, is provided with fastening structure.
Concrete, as shown in Figure 1, fastening structure comprises the screwed hole 24 of being axially located at link rod part 22 ends, is arranged in screw 41 and pad 42 in this screwed hole 24, screwed hole 24 and even cadre coaxially arrange, one side of pad 42 is resisted against in cutter tooth portion 1, and its opposite side is resisted against on the bar head of described screw 41.When installation, the front end of link rod part 22 is inserted in the through hole 11 of cutter tooth portion 1, through hole 11 is coordinated with ring-shaped step 23, pad 42 is nested on screw 41, inserts screw 41 from the front end of cutter tooth portion 1, and this screw 41 is threaded with screwed hole 24, until a side of pad 42 is resisted against in cutter tooth portion 1, opposite side is resisted against on the bar head of screw 41, easy for installation, can not affect the cutting teeth 3 in cutter tooth portion 1 when installation.
As shown in Figure 1, have and the coaxial layer hole 12 arranging of through hole 11 in cutter tooth portion 1, the diameter in layer hole 12 is greater than the diameter of through hole 11, and the length in layer hole 12 is greater than the length of the bar head of screw 41, and a side of pad 42 is resisted against on the end in this layer of hole 12.This layer of hole 12 is mainly used in holding bar head and the pad 42 of screw 41, makes the bar head of screw 41 can not protrude from the outer end of cutter tooth portion 1, adds and can not exert an influence to workpiece man-hour, improves the machining accuracy of this pinion cutter.
In the present embodiment, the Steel material that knife bar 2 use are general is made, and can save large quantities of rare metal and hard alloy steel, thereby reduces the cost of pinion cutter.
As shown in Figure 1, cutting teeth 3 comprises cutter tooth lip surface 31, cutter tooth side 32 and cutter tooth end face 33.
Cutter tooth portion 1 is a standard component, can select according to the size of workpiece to be machined, and knife bar 2 is mainly used in connecting gear shapping machine and cutter tooth portion 1, solves traditional pinion cutter one-body molded, the problem that processing difficulties and cost are high.In this structure, pinion cutter is divided into two, respectively cutter tooth portion 1 and knife bar 2 is processed, after completion of processing, both are assembled.
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 amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (5)
1. an assembled pinion cutter, comprise cutter tooth portion (1) and be located at the knife bar (2) of cutter tooth portion (1) rear end, the periphery of described cutter tooth portion (1) has the cutting teeth (3) of some even settings, in described cutter tooth portion (1), there is the through hole (11) of axial setting, it is characterized in that, described knife bar (2) comprises the taper shank portion (21) for coordinating with gear shapping machine and is located at the link rod part (22) of taper shank portion (21) front end, the end of described link rod part (22) has the ring-shaped step (23) matching with above-mentioned through hole (11), above-mentioned cutter tooth portion (1) is located on this ring-shaped step (23), between described cutter tooth portion (1) and knife bar (2), be provided with fastening structure, described fastening structure comprises the screwed hole (24) of being axially located at link rod part (22) end, is arranged in screw (41) and pad (42) in this screwed hole (24), described screwed hole (24) and even cadre coaxially arrange, it is upper that one side of described pad (42) is resisted against cutter tooth portion (1), and its opposite side is resisted against on the bar head of described screw (41).
2. assembled pinion cutter according to claim 1, it is characterized in that, in described cutter tooth portion (1), have and the coaxial layer hole (12) arranging of above-mentioned through hole (11), the diameter in described layer hole (12) is greater than the diameter of through hole (11), the length in described layer hole (12) is greater than the length of the bar head of screw (41), and a side of above-mentioned pad (42) is resisted against on the end of this layer of hole (12).
3. assembled pinion cutter according to claim 1 and 2, is characterized in that, described knife bar (2) is made up of ordinary steel material.
4. assembled pinion cutter according to claim 1 and 2, is characterized in that, described cutting teeth (3) is 17.
5. assembled pinion cutter according to claim 1 and 2, is characterized in that, described cutting teeth (3) comprises cutter tooth lip surface (31), cutter tooth side (32) and cutter tooth end face (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240507.XU CN203956246U (en) | 2014-05-13 | 2014-05-13 | Assembled pinion cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420240507.XU CN203956246U (en) | 2014-05-13 | 2014-05-13 | Assembled pinion cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203956246U true CN203956246U (en) | 2014-11-26 |
Family
ID=51916884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420240507.XU Expired - Fee Related CN203956246U (en) | 2014-05-13 | 2014-05-13 | Assembled pinion cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203956246U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253094A (en) * | 2019-07-17 | 2019-09-20 | 綦江永跃齿轮有限公司 | A kind of slotting tool for processing rectangle internal spline and the shaping machine that the slotting tool is set |
-
2014
- 2014-05-13 CN CN201420240507.XU patent/CN203956246U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110253094A (en) * | 2019-07-17 | 2019-09-20 | 綦江永跃齿轮有限公司 | A kind of slotting tool for processing rectangle internal spline and the shaping machine that the slotting tool is set |
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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: 20141126 Termination date: 20170513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |