CN211218717U

CN211218717U - Eccentric cutter of step hole in executor barrel

Info

Publication number: CN211218717U
Application number: CN201922205351.7U
Authority: CN
Inventors: 单栋冬
Original assignee: Wuxi Shengboai Hydraulic Pneumatic Co ltd
Current assignee: Wuxi Shengboai Hydraulic Pneumatic Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-11
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a lathe tool technical field, specific step hole eccentric tool in executor barrel that says so, including upper cutter arbor and lower floor's cutter arbor, the open inner chamber in bottom has been seted up to the inside of upper cutter arbor, just inner chamber internally mounted has lower floor's cutter arbor, upper cutter arbor bottom one side is fixed with the upper tool bit through first fastening screw, bottom one side of lower floor's cutter arbor is fixed with the lower floor's tool bit through second fastening screw, install the locating pin that the level set up on the lateral wall of upper cutter arbor, the locating pin supports tightly fixedly through locking swivel nut and lower floor's cutter arbor. The utility model discloses an install the upper cutter head and the lower floor's cutter head of processing the shoulder hole respectively on upper cutter arbor and lower floor's cutter arbor, utilize the locking swivel nut to support tight locating pin, can highly adjust the lower floor's cutter arbor, can satisfy the shoulder hole processing of the different degree of depth, convenient to use, upper and lower layer cutter head can carry out independent change, is favorable to reducing the consumptive material.

Description

Eccentric cutter of step hole in executor barrel

Technical Field

The utility model belongs to the technical field of lathe tool, concretely relates to eccentric cutter of step hole in executor barrel.

Background

When the actuator cylinder is subjected to lathe machining, a stepped hole structure needs to be turned out. The existing stepped hole machining tool is generally arranged into an integrated structure, and tool bits used for machining different positions of a stepped hole are arranged together in an integrated structure. In addition, in the process of machining the stepped hole, the tool bits at the upper position and the lower position are different in loss degree, and once a certain part of the whole tool is worn, the whole tool needs to be replaced integrally, so that the use cost of the tool is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an eccentric cutter of step hole in executor barrel 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 an eccentric cutter in step hole in executor barrel, includes upper cutter arbor and lower floor's cutter arbor, the open inner chamber in bottom is seted up to the inside of upper cutter arbor, just inner chamber internally mounted has lower floor's cutter arbor, upper cutter arbor bottom one side is fixed with the upper tool bit through first fastening screw, bottom one side of lower floor's cutter arbor is fixed with lower floor's tool bit through second fastening screw, the locating pin that the level set up is installed to the side wall of upper cutter arbor, the locating pin supports tightly fixedly through locking swivel nut and lower floor's cutter arbor.

As the further optimization of the technical scheme, the upper part of the lower-layer cutter bar is a multi-surface cylindrical shaft rod, positioning grooves are distributed on each side surface at equal intervals, and the shape of the inner cavity is the same as that of the upper part of the lower-layer cutter bar.

As a further optimization of the technical scheme, a through groove is horizontally formed in the side wall of the upper layer cutter bar and corresponds to each side face of the lower layer cutter bar, the positioning pin is arranged in the through groove in a sliding mode, and the two ends of the positioning pin are hemispheric.

As a further optimization of the technical scheme, a chamfer is formed in the inner ring at the bottom end of the locking screw sleeve.

As a further optimization of this solution, the lower layer tool tip has an overlap region with the upper layer tool tip in the horizontal turning distance.

The utility model discloses a technological effect and advantage: the utility model discloses an install the upper cutter head and the lower floor's cutter head of processing the shoulder hole respectively on upper cutter arbor and lower floor's cutter arbor, utilize the swivel nut to support tight locating pin, can highly adjust the lower floor's cutter arbor, can satisfy the shoulder hole processing of the different degree of depth, convenient to use, upper and lower layer cutter head can carry out independent change, is favorable to reducing the consumptive material.

Drawings

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

fig. 2 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the upper cutter bar and the upper cutter head of the utility model;

fig. 4 is the utility model discloses a lower floor's cutter arbor, lower floor tool bit mounting structure sketch map.

In the figure: 1 upper cutter arbor, 101 inner chamber, 102 logical groove, 2 first fastening screw, 3 upper strata tool bit, 4 lower floor's cutter arbor, 401 positioning groove, 5 lower floor's tool bit, 6 locking swivel nut, 7 second fastening screw, 8 locating pins.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

As shown in fig. 1-4, an eccentric cutter for stepped holes in an actuator cylinder comprises an upper cutter bar 1 and a lower cutter bar 4, wherein an inner cavity 101 with an open bottom end is formed in the upper cutter bar 1, the lower cutter bar 4 is arranged in the inner cavity 101, the upper cutter bar 1 and the lower cutter bar 4 are concentrically arranged, the upper part of the lower cutter bar 4 is a multi-surface cylindrical shaft rod, the shape of the inner cavity 101 is the same as that of the lower cutter bar 4, when the lower cutter bar 4 is inserted into the inner cavity 101, the multi-surface cylindrical cutter bar can be in seamless fit, and the lower cutter bar 4 can be prevented from rotating by the aid of a multi-surface cylindrical structure.

An upper layer cutter head 3 is fixed on one side of the bottom end of the upper layer cutter bar 1 through a first fastening screw 2, the back of the upper layer cutter head 3 is embedded into a fixed groove on the side wall of the upper layer cutter bar, a connecting part is arranged at the top end of the upper layer cutter bar 3, used for installing a first fastening screw 2, one side of the bottom end of the lower layer cutter bar 4 is fixed with a lower layer cutter head 5 through a second fastening screw 7, the lower layer cutter head 5 is embedded into a fixed groove of the lower layer cutter bar 4, and is fastened from the back by a second fixing screw 7, the lower layer tool bit 5 and the upper layer tool bit 3 have an overlapping area on the horizontal turning distance, the turning range of the upper layer tool bit 3 is larger than that of the lower layer tool bit 5, the lower layer tool bit 5 is used for processing a central hole of a stepped groove, the upper layer tool bit 3 is used for processing a port of the stepped hole, when the upper layer cutter bar 1 is fed downwards, the upper layer cutter head 3 can cover a part of the turning round hole of the lower layer cutter head 5.

The locating pin 8 that the level set up is installed on the lateral wall of upper cutter arbor 1, locating pin 8 supports tightly fixedly through locking swivel nut 6 and lower floor's cutter arbor 4, the level is equipped with logical groove 102 on the lateral wall of upper cutter arbor 1, and logical groove 102 corresponds with every side of lower floor's cutter arbor 4, and equipartition interval distribution has positioning groove 401 on every side, locating pin 8 slides and sets up in leading to groove 102, the both ends of locating pin 8 are the hemisphere, and locking swivel nut 6 passes through the screw thread fastening on upper cutter arbor 1, when rotatory locking swivel nut 6 down, can support locating pin 8 from the outside tightly to support the inner of locating pin 8 to fix lower floor's cutter arbor 4 in supporting positioning groove 401, the chamfer has been seted up to the bottom inner circle of the locking swivel nut 6, is convenient for drive the outside end of locating pin 8.

Specifically, during the use, according to the difference in height between the upper and lower hole of the shoulder hole that will process, adjust the distance between upper tool bit 3 and the lower floor tool bit 5, during the adjustment, upwards rotate locking swivel nut 6, make locking swivel nut 6 break away from locating pin 8, the height of adjustment lower floor's cutter arbor 4 from top to bottom, align the back with locating pin 8 with the positioning groove 401 of lower floor's cutter arbor 4 upper portion side, downwards rotate locking swivel nut 6, utilize locking swivel nut 6 to support tight locating pin 8, make locating pin 8 support into positioning groove 401, thereby fix lower floor's cutter arbor 4, can process the shoulder hole of the different degree of depth.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides an eccentric cutter in step hole in executor barrel, includes upper cutter arbor (1) and lower floor cutter arbor (4), its characterized in that: open inner chamber in bottom (101) has been seted up to the inside of upper cutter arbor (1), just inner chamber (101) internally mounted has lower floor's cutter arbor (4), upper cutter arbor (1) bottom one side is fixed with upper tool bit (3) through first fastening screw (2), bottom one side of lower floor's cutter arbor (4) is fixed with lower floor's tool bit (5) through second fastening screw (7), install locating pin (8) that the level set up on the side wall of upper cutter arbor (1), locating pin (8) support tightly fixedly through locking swivel nut (6) and lower floor's cutter arbor (4).

2. The eccentric tool of claim 1 for a stepped bore in an actuator barrel, wherein: the upper portion of lower floor cutter arbor (4) is multiaspect column shaft pole, and equal interval distribution has positioning groove (401) on every side, the shape of inner chamber (101) is the same with the upper portion of lower floor cutter arbor (4).

3. The eccentric tool of claim 2 for a stepped bore in an actuator barrel, wherein: the side wall of upper cutter arbor (1) is improved level and is equipped with logical groove (102), and logical groove (102) correspond with every side of lower floor cutter arbor (4), locating pin (8) slide to be set up at logical inslot (102), the both ends of locating pin (8) are the hemisphere.

4. The eccentric tool of claim 1 for a stepped bore in an actuator barrel, wherein: and the inner ring at the bottom end of the locking screw sleeve (6) is provided with a chamfer.

5. The eccentric tool of claim 1 for a stepped bore in an actuator barrel, wherein: the lower layer tool bit (5) and the upper layer tool bit (3) are provided with an overlapping area on the horizontal turning distance.