CN203945074U - A kind of roll extrusion cutter head that is convenient for changing needle roller - Google Patents
A kind of roll extrusion cutter head that is convenient for changing needle roller Download PDFInfo
- Publication number
- CN203945074U CN203945074U CN201420415194.7U CN201420415194U CN203945074U CN 203945074 U CN203945074 U CN 203945074U CN 201420415194 U CN201420415194 U CN 201420415194U CN 203945074 U CN203945074 U CN 203945074U
- Authority
- CN
- China
- Prior art keywords
- needle roller
- buckle
- baffle plate
- cutter head
- roll extrusion
- 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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- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
A kind of roll extrusion cutter head that is convenient for changing needle roller, its structure comprises mandrel, needle roller frame, needle roller, regulating tooth, it is inner that described mandrel is coaxially arranged at described needle roller frame, described mandrel and needle roller frame are fixed on described regulating tooth, described needle roller is arranged between described mandrel and needle roller frame, and described needle roller frame is provided with one for taking out the needle roller ejecting mechanism of needle roller.This structure makes needle roller, only need to open needle roller ejecting mechanism, just can change needle roller, without whole cutter is dismantled and could needle roller be changed.
Description
Technical field
The utility model relates to rolling depression cutter, and more particularly, it relates to a kind of roll extrusion cutter head that can be convenient for changing needle roller.
Background technology
Rolling and processing is a kind of pressure polishing processing, be to utilize metal in the cold plasticity feature of normal temperature state, utilize rolling tool to apply certain pressure to surface of the work, make workpiece surface metal produce Plastic Flow, be filled in original residual indentation trough, and reach surface of the work roughness value, reduce.Due to rolled top layer metal plastic deformation, textura epidermoidea's cold hardening and crystal grain are attenuated, form the fibrous of densification, and form residual stress layer, hardness and intensity improve, thereby have improved wearability, corrosion resistance and the conformability of surface of the work.Roll extrusion is a kind of plastic processing method without cutting, and therefore this method can reach polishing processing and two kinds of objects of strengthening simultaneously, is that grinding, turning cannot be accomplished.
Chinese patent application prospectus ZL94230012.9 discloses a kind of rolling depression cutter, associated adjustment gear and suit Positioning Gear are thereon housed on the screw thread at taper shank middle part, feather key is housed on Positioning Gear, on Positioning Gear and adjustment gear, the outer sleeve with internal gear is housed, thrust bearing and adapter sleeve are also equipped with in middle part at taper shank, at the front end of taper shank, centrum be housed and roll frame, rolling several needle rollers are housed on frame.
After the long-time use of needle roller, need to change, Renewal process relatively bothers, and need to remove taper shank, extracts mandrel out, after having changed, also will re-assembly, time-consuming effort again.
Utility model content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of roll extrusion cutter head that can be convenient for changing needle roller.
For achieving the above object, the utility model provides following technical scheme:
A kind of roll extrusion cutter head that is convenient for changing needle roller, comprise mandrel, needle roller frame, needle roller, regulating tooth, described mandrel is established and is coaxially placed in described needle roller frame inside, described mandrel and needle roller frame are fixed on described regulating tooth, described needle roller is arranged between described mandrel and needle roller frame, and described needle roller frame is provided with one for taking out the needle roller ejecting mechanism of needle roller.
Adopt the roll extrusion cutter head of this structure, when changing needle roller, without by rolling depression cutter integral demounting, take out mandrel and could change needle roller, only need to just can take out needle roller by needle roller ejecting mechanism.
As improvement of the present utility model, described needle roller ejecting mechanism comprises: needle roller baffle plate, buckle, buckle spring, buckle spring groove, ejector spring, described needle roller baffle plate is arranged on needle roller top, one side of needle roller baffle plate is provided with the through hole of a perforation, needle roller frame is provided with two parallel projections, distance between amount projection is wide identical with needle roller baffle plate, on two projections, be all provided with the aperture through hole identical with needle roller baffle plate through hole radius, through hole by a thin axle through projection and needle roller baffle plate, realize the hinged of needle roller baffle plate and needle roller frame, the opposite side top conflict that one end of described buckle is arranged on the relative hinged place of needle roller baffle plate connects, described buckle spring groove is arranged at needle roller frame with respect to a side of needle roller baffle plate, the described buckle other end is arranged in buckle spring groove inconsistent with buckle spring, described ejector spring is arranged at needle roller baffle plate and contacts the below of a side with buckle.
Adopt the roll extrusion cutter head of this structure, when needs are changed needle roller, only need to pull buckle, buckle is subjected to displacement, and needle roller baffle plate has lost the restriction of buckle, and ejector spring will pop up, drive the motion of needle roller baffle plate, now needle roller baffle plate can be rotated around pin joint, so just can directly take out needle roller, changes; After having changed, needle roller baffle plate is down pressed, again interlock with buckle, so just completed very quickly and easily the replacing of needle roller.Make the process of whole replacing needle roller convenient, simple.
As further improvement of the utility model, on described buckle, have lines, described in be buckled in needle roller baffle plate one end and be provided with a projection, described needle roller baffle plate and buckle contact position are provided with a groove.
Adopt the roll extrusion cutter head of this structure, owing to there being lines on buckle, make staff frictional force when pulling buckle stronger, feel is better, makes the whole process of pulling buckle more laborsaving.Due to coordinating of projection and groove, play the effect of a location, prevent not fastening of buckle, while causing rolling depression cutter work, needle roller flies out.
The roll extrusion cutter head that adopts this structure, compared with prior art, the utility model has the advantage of: change needle roller more simple, convenient.
Accompanying drawing explanation
Fig. 1 is the appearance assumption diagram of the utility model roll extrusion cutter head;
Fig. 2 is the structure chart of the utility model roll extrusion cutter head needle roller ejecting mechanism;
Fig. 3 is the utility model roll extrusion cutter head A face profile.
The specific embodiment
Referring to figs. 1 through Fig. 3 the utility model, be described further.
Be convenient for changing a roll extrusion cutter head for needle roller, comprise mandrel 3, needle roller frame 2, needle roller 4, needle roller baffle plate 1, buckle 5, buckle spring 6, buckle spring groove 11, ejector spring 7; Described needle roller 4 is arranged on around mandrel 3, described needle roller baffle plate 1 is arranged on needle roller 4, one side of needle roller baffle plate 1 and needle roller frame 2 phase hinges, described buckle 5 is positioned at the opposite side of needle roller baffle plate 1, described ejector spring 7 is arranged at needle roller baffle plate 1 below, described buckle spring groove 11 is arranged at buckle with respect to a side of needle roller baffle plate 1, and described buckle spring 5 is arranged in buckle spring groove 11.On described buckle 5, there is lines 10.
When needs are changed needle roller, only need to pull buckle 5 with finger, owing to there being lines 10 on buckle 5, make staff larger in the contact area of pulling buckle 5, frictional force is stronger, feel is better, make the whole process of pulling buckle 5 more laborsaving, the buckle 5 of originally conflicting on needle roller baffle plate 1, under the effect of power, direction to buckle spring groove 11 moves, make 7 compressions of buckle spring, needle roller baffle plate 1 has lost the restriction of buckle 5, ejector spring 7 will pop up, drive 1 motion of needle roller baffle plate, now needle roller keeps off 1 plate and can be rotated around pin joint, so just can directly take out needle roller 4, change, after having changed, needle roller baffle plate 1 is down pressed, again interlock with buckle 5, so just completed very quickly and easily the replacing of needle roller.Make the process of whole replacing needle roller convenient, simple.
Buckle 5 is provided with a projection 9 in needle roller baffle plate 1 one end, and described needle roller baffle plate 1 is provided with a groove 8 with buckle 5 contact positions.Due to coordinating of projection 9 and groove 8, play the effect of a location, prevent not fastening of buckle 5, while causing rolling depression cutter work, needle roller 4 flies out.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (3)
1. a roll extrusion cutter head that is convenient for changing needle roller, comprise mandrel, needle roller frame, needle roller, regulating tooth, it is inner that described mandrel is coaxially arranged at described needle roller frame, described mandrel and needle roller frame are fixed on described regulating tooth, it is characterized in that: described needle roller is arranged between described mandrel and needle roller frame, described needle roller frame is provided with one for taking out the needle roller ejecting mechanism of needle roller.
2. a kind of roll extrusion cutter head that is convenient for changing needle roller according to claim 1, is characterized in that: described needle roller ejecting mechanism comprises: needle roller baffle plate, buckle, buckle spring, buckle spring groove, ejector spring; Described needle roller baffle plate is arranged on needle roller top, one side and the needle roller frame of needle roller baffle plate are hinged, one end of described buckle is arranged on the opposite side top of the relative hinged place of needle roller baffle plate and conflicts and be connected with needle roller baffle plate, the other end is arranged in buckle spring groove inconsistent with buckle spring, described buckle spring groove is arranged on needle roller frame with respect to a side of needle roller baffle plate, and described ejector spring is arranged at needle roller baffle plate and contacts the below of a side with buckle.
3. a kind of roll extrusion cutter head that is convenient for changing needle roller according to claim 2, it is characterized in that: on described buckle, have lines, described buckle is provided with a projection towards needle roller baffle plate one end, and described needle roller baffle plate and buckle contact position are provided with the groove that a described projection of confession inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415194.7U CN203945074U (en) | 2014-07-25 | 2014-07-25 | A kind of roll extrusion cutter head that is convenient for changing needle roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415194.7U CN203945074U (en) | 2014-07-25 | 2014-07-25 | A kind of roll extrusion cutter head that is convenient for changing needle roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203945074U true CN203945074U (en) | 2014-11-19 |
Family
ID=51887133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415194.7U Expired - Fee Related CN203945074U (en) | 2014-07-25 | 2014-07-25 | A kind of roll extrusion cutter head that is convenient for changing needle roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203945074U (en) |
-
2014
- 2014-07-25 CN CN201420415194.7U patent/CN203945074U/en not_active Expired - Fee Related
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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: 20141119 Termination date: 20170725 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |