CN218311828U

CN218311828U - Knurling cutter for copper pipe

Info

Publication number: CN218311828U
Application number: CN202222826398.7U
Authority: CN
Inventors: 权彦杰; 陈亮; 杨林; 段晓辉
Original assignee: Zhuhai Ganglong Metal Co ltd
Current assignee: Zhuhai Ganglong Metal Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-17
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a copper pipe knurling sword, including the axis of rotation, the front end of axis of rotation is equipped with the knurling tool bit, axis of rotation and the design of knurling tool bit style in an organic whole, still including the installation sleeve, the embedded bearing that is equipped with in installation sleeve's front end, the axis of rotation embedding is in bearing's inner circle, installation sleeve lower half inboard can be dismantled and be connected with the positioning sleeve, the lower extreme of axis of rotation is equipped with the location axle, the location axle extends to in the positioning sleeve, be equipped with the loop type recess on the lower extreme outer wall of location axle, be equipped with first screw hole on the positioning sleeve in the loop type recess outside, be equipped with the second screw hole on the position that the installation sleeve corresponds first screw hole, there is the anticreep bolt at first screw hole and second screw hole female connection, the head end embedding of anticreep bolt is in the loop type recess, be equipped with in the positioning sleeve and cooperate the locating component who realizes coaxial positioning with the location axle.

Description

Knurling cutter for copper pipe

Technical Field

The utility model relates to a copper pipe knurling sword.

Background

Knurling is a processing technology for pressing patterns on the surface of a workpiece by using a knurling tool.

Traditional annular knurl cutter includes handle of a knife, installation axle and knurling wheel, and the tip of handle of a knife is provided with the mounting hole, and the installation axle is pegged graft in the mounting hole, and threaded connection has the fastener that tip and installation off-axial wall offset on the handle of a knife to realize the fixed of installation axle in the mounting hole, wherein, the knurling wheel cup joints on the installation axle, and installation axle tip is provided with the anticreep screw that is used for the knurling wheel anticreep. Through the knurling tool, the knurling tool is arranged on the numerical control lathe, and knurling can be carried out on a workpiece.

Based on the above, the existing knurling wheel is installed on the installation through a simple anti-drop screw or a pin shaft, so that the knurling wheel is in stressed contact with a workpiece in the knurling processing process. Lead to the knurling wheel easily and produce the deviation with the installation axle, lead to the knurling wheel at the epaxial swing of installation, influence the knurling effect of knurling wheel.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a copper pipe knurling sword.

According to a copper pipe knurling tool of this purpose design, including the axis of rotation, the front end of axis of rotation is equipped with the knurling tool bit, the axis of rotation with knurling tool bit integral type design, still including the installation sleeve, the embedded bearing that is equipped with of installation sleeve's front end, the axis of rotation embedding is in bearing's the inner circle, installation sleeve lower half inboard can be dismantled and be connected with the positioning sleeve, the lower extreme of axis of rotation is equipped with the location axle, the location axle extends to in the positioning sleeve be equipped with the loop type recess on the lower extreme outer wall of location axle be equipped with first screw hole on the positioning sleeve outside the loop type recess be equipped with the second screw hole on the position that the installation sleeve corresponds first screw hole, first screw hole with second screw hole female connection has the anticreep bolt, the head end embedding of anticreep bolt is in the loop type recess be equipped with in the positioning sleeve with the positioning shaft cooperates the locating component who realizes coaxial positioning.

Preferably, the positioning assembly includes an annular arc positioning concave platform arranged at a joint of the positioning shaft and the rotating shaft, the inner wall of the positioning sleeve is provided with a plurality of positioning columns, and the positioning columns are embedded in the annular arc positioning concave platform.

Preferably, a tapered hole is formed in the lower end face of the positioning shaft, a mounting plate is arranged in the positioning sleeve, a tapered mounting seat is arranged on the upper end face of the mounting plate, a tapered roller bearing is sleeved on the tapered mounting seat, and the tapered roller bearing is embedded into the tapered hole.

Preferably, the left side and the right side of the lower end face of the mounting sleeve are respectively provided with a through groove which penetrates upwards, the upper part of each through groove is provided with a transverse groove which is communicated with each other, the outer wall of the positioning sleeve is provided with a clamping block, and the clamping blocks enter the transverse grooves from the through grooves to realize connection.

Preferably, a limiting ring is arranged on the inner wall of the upper portion of the mounting sleeve, and the lower end face of the needle bearing is attached to the limiting ring.

Preferably, the lower end of the positioning sleeve is fixedly connected with a knife handle.

The utility model discloses stability is good, the axiality is high, guarantee long-term cutting effect's advantage, compares with current technique, including the axis of rotation, the front end of axis of rotation is equipped with the annular knurl tool bit, the axis of rotation with the design of annular knurl tool bit style still including the installation sleeve, the embedded bearing that is equipped with in installation sleeve's front end, the axis of rotation embedding is in interior circle of bearing, the inboard dismantlement of installation sleeve lower half is connected with the positioning sleeve, the lower extreme of axis of rotation is equipped with the location axle, the location axle extends to in the positioning sleeve be equipped with the loop type recess on the lower extreme outer wall of location axle be equipped with first screw hole on the positioning sleeve in the loop type recess outside be equipped with the second screw hole on the position of first screw hole with second screw hole female connection has the anticreep bolt, the head end embedding of anticreep bolt is in the loop type recess be equipped with in the positioning sleeve with the positioning shaft cooperates the locating component who realizes coaxial positioning. That is, the utility model discloses a set up knurling tool bit and axis of rotation integral type, then install the axis of rotation in needle bearing, the anticreep bolt plays the effect that the axis of rotation position was injectd, can play the effect of assembling installation sleeve and position sleeve mutually moreover. Further, the utility model discloses a locating component can cooperate the realization coaxial positioning to the location axle. And the upper and lower double positioning of the rotating shaft is realized by matching with the needle bearing so as to ensure the stability of the knurling tool bit in the cutting process and avoid eccentricity.

Drawings

Fig. 1 is a schematic plan view of the present invention;

fig. 2 is one of the schematic sectional structural diagrams of the present invention;

fig. 3 is a second schematic cross-sectional view of the present invention;

fig. 4 is an exploded schematic view of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1 to 4, a copper pipe knurling tool comprises a rotating shaft 20, a knurling tool bit 10 is arranged at the front end of the rotating shaft 20, the rotating shaft 20 and the knurling tool bit 10 are designed in an integrated manner, the copper pipe knurling tool further comprises a mounting sleeve 30, a needle bearing 50 is embedded in the front end of the mounting sleeve 30, the rotating shaft 20 is embedded in an inner ring of the needle bearing 50, a positioning sleeve 40 is detachably connected to the inner side of the lower half portion of the mounting sleeve 30, a positioning shaft 200 is arranged at the lower end of the rotating shaft 20, the positioning shaft 200 extends into the positioning sleeve 40, an annular groove 230 is arranged on the outer wall of the lower end of the positioning shaft 200, a first threaded hole 400 is arranged on the positioning sleeve 40 outside the annular groove 230, a second threaded hole 301 is arranged at a position of the mounting sleeve 30 corresponding to the first threaded hole 400, an internal threaded bolt 60 is connected to the first threaded hole 400 and the second threaded hole 301, the head end of the anti-off bolt 60 is embedded in the annular groove 230, and a positioning assembly 70 which cooperates with the positioning shaft 200 to achieve coaxial positioning is arranged in the positioning sleeve 40.

The utility model discloses a set up knurling tool bit and axis of rotation integral type, then install the axis of rotation in needle bearing, the anticreep bolt plays the effect that the axis of rotation position was injectd, can play the effect of assembling installation sleeve and position sleeve mutually moreover. Further, the utility model discloses a locating component can cooperate the realization coaxial positioning to the location axle. And the upper and lower double positioning of the rotating shaft is realized by matching with the needle bearing so as to ensure the stability of the knurling tool bit in the cutting process and avoid eccentricity.

The utility model discloses in, the axis of rotation with location axle integral type sets up.

Referring to fig. 2 and 3, the positioning assembly 70 includes a circular arc positioning concave 220 at the connection position of the positioning shaft 200 and the rotating shaft 20, a plurality of positioning pillars 450 are disposed on the inner wall of the positioning sleeve 40, and the positioning pillars 450 are embedded in the circular arc positioning concave 220. That is, an annular arc positioning concave 220 is formed at the connection position of the rotating shaft and the positioning shaft, and the positioning column 450 is embedded in the positioning concave, so that the stability of the rotating shaft 20 can be effectively ensured, and the support is formed.

Referring to fig. 2 and 3, a tapered hole 210 is formed in the lower end surface of the positioning shaft 200, a mounting plate 420 is arranged in the positioning sleeve 40, a tapered mounting seat 430 is arranged on the upper end surface of the mounting plate 420, a tapered roller bearing 440 is sleeved on the tapered mounting seat 430, and the tapered roller bearing 440 is embedded in the tapered hole 210. Furthermore, the axis of the positioning shaft can be effectively ensured through the tapered roller bearing 440, so that the axis of the knurling tool bit is ensured, the stability is ensured, and the knurling processing is prevented from being influenced by eccentricity.

In the utility model, referring to fig. 1, be equipped with the logical groove 310 that upwards runs through about the lower terminal surface of installation sleeve 30 respectively it is equipped with the cross slot 320 that communicates mutually to lead to groove 310 upper portion be equipped with fixture block 460 on the outer wall of position sleeve 40, fixture block 460 follows it enters into to lead to groove 310 realize connecting in the cross slot 320. That is, when the mounting sleeve 30 and the positioning sleeve 40 are assembled with each other, the fixture block 460 is inserted into the through groove 310, and then the mounting sleeve 30 or the positioning sleeve 40 is rotated, so that the fixture block enters the transverse groove, the mounting sleeve 30 and the positioning sleeve 40 cannot move longitudinally relative to each other, and then the mounting sleeve 30 and the positioning sleeve 40 are connected with the first threaded hole 400 and the second threaded hole 301 through the anti-disengaging bolt 60 in an inner threaded manner, so that the assembly can be completed.

A limiting ring 330 is arranged on the inner wall of the upper part of the mounting sleeve 30, and the lower end face of the needle bearing 50 is attached to the limiting ring 330.

Referring to fig. 1, a tool holder 410 is fixedly connected to the lower end of the positioning sleeve 40. The function of the shank 410 is to facilitate clamping in the tool holder.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying a number of technical features indicated.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a copper pipe knurling sword, includes axis of rotation (20), the front end of axis of rotation (20) is equipped with knurling tool bit (10), its characterized in that: the anti-dropping device is characterized in that the rotating shaft (20) and the knurled cutter head (10) are designed in an integrated mode, the anti-dropping device further comprises a mounting sleeve (30), a needle bearing (50) is embedded into the front end of the mounting sleeve (30), the rotating shaft (20) is embedded into an inner ring of the needle bearing (50), a positioning sleeve (40) is detachably connected to the inner side of the lower half portion of the mounting sleeve (30), a positioning shaft (200) is arranged at the lower end of the rotating shaft (20), the positioning shaft (200) extends into the positioning sleeve (40), an annular groove (230) is formed in the outer wall of the lower end of the positioning shaft (200), a first threaded hole (400) is formed in the positioning sleeve (40) on the outer side of the annular groove (230), a second threaded hole (301) is formed in the position, corresponding to the first threaded hole (400), of the mounting sleeve (30), an anti-dropping bolt (60) is in threaded connection with the first threaded hole (400) and in threaded connection with the second threaded hole (301), the head end of the anti-dropping bolt (60) is embedded into the annular groove (230), and an anti-dropping component (70) which is coaxially matched with the positioning shaft (200) is arranged in the positioning sleeve (40).

2. The copper pipe knurling tool of claim 1, wherein: locating component (70) include locating shaft (200) with axis of rotation (20) junction is equipped with annular circular arc location concave station (220), be equipped with a plurality of reference columns (450) on locating sleeve (40) inner wall, reference column (450) embedding is in annular circular arc location concave station (220).

3. The copper pipe knurling tool of claim 1, wherein: be equipped with tapered hole (210) on the lower terminal surface of location axle (200) be equipped with mounting panel (420) in location sleeve (40), be equipped with toper mount pad (430) on the up end of mounting panel (420), the cover is equipped with tapered roller bearing (440) on toper mount pad (430), tapered roller bearing (440) embedding is in tapered hole (210).

4. A copper tube knurling tool as claimed in any one of claims 1 to 3 wherein: the left side and the right side of the lower end face of the mounting sleeve (30) are respectively provided with a through groove (310) which penetrates upwards, the upper portion of the through groove (310) is provided with a transverse groove (320) which is communicated with each other, the outer wall of the positioning sleeve (40) is provided with a fixture block (460), and the fixture block (460) enters the transverse groove (320) from the through groove (310) to realize connection.

5. A copper tube knurling tool as claimed in any one of claims 1 to 3 wherein: a limiting ring (330) is arranged on the inner wall of the upper part of the mounting sleeve (30), and the lower end face of the needle bearing (50) is attached to the limiting ring (330).

6. A copper tube knurling tool as claimed in any one of claims 1 to 3 wherein: the lower end of the positioning sleeve (40) is fixedly connected with a knife handle (410).