Multi-station positioning tool for pressure shell finish machining

Abstract

The utility model discloses a multi-station positioning tool for finish machining of a pressure shell, which comprises a base and a plurality of groups of positioning components arranged on the base at intervals. Each group of positioning assembly comprises a first operation part, a second operation part and a positioning part, the first end of the positioning part is arranged on the base and corresponds to the positioning cavity, the second end of the positioning part extends out of the positioning through hole and extends towards the outer side, and the first operation part is arranged on the base in a manner of being close to or far away from the corresponding positioning part; and the second operation part is sleeved at the second end of the corresponding positioning part in a lifting manner. When the multi-station positioning tool for finish machining of the pressing shell is used for positioning, the pressing shell is placed at the first end of the positioning part through the positioning cavity, the first operation part is close to the pressing shell and abuts against one positioning protrusion, the second operation part descends and abuts against the end face of the pressing shell, then the pressing shell is positioned, and the multi-station positioning tool is simple in structure, ingenious in design and high in practicability. And a plurality of pressing shells can be positioned at a time, and the positioning efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to worm gear supercharger finishing technology field especially, it is a kind of multi-station positioning tool for shell finishing. BACKGROUND

[0002] Worm gear supercharger is a kind of device for internal combustion engine, aims at improving the efficiency and power output of engine. It realizes this by compressing the air entering the engine, so that more oxygen can participate in the combustion process, in turn allows to use more fuel, generates greater power. The core components of worm gear supercharger include shell, turbine, compressor and intermediate body etc. With the development of technology, the design of shell is also constantly improving to meet increasingly stringent emission standards and performance requirements.

[0003] When finishing the shell of worm gear supercharger, specific positioning tool is needed to position the shell, and only after positioning can subsequent processing be implemented. The existing shell positioning tool can only position one shell at a time. Obviously, the existing shell positioning tool has the problem of low positioning efficiency, and cannot meet the fast-paced production requirements. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of multi-station positioning tool for shell finishing to solve the problem of low positioning efficiency of conventional shell positioning tool in prior art.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] Positioning groove and positioning through-hole are arranged in the shell, the positioning groove and the positioning through-hole are communicated to form a positioning cavity, and a plurality of positioning protrusions are arranged on the outer side of the shell in the circumferential direction, a kind of multi-station positioning tool for shell finishing includes base and several groups of positioning components, wherein:

[0007] Several groups of positioning components are arranged on the base in intervals;

[0008] Each group of positioning components includes first operating part, second operating part and positioning part, the first end of the positioning part is arranged on the base, the first end of the positioning part is arranged corresponding to the positioning cavity, the second end of the positioning part extends out of the positioning through-hole and extends towards the outside, the first operating part can be arranged on the base close to or away from the corresponding positioning part, and the second operating part is arranged on the second end of the corresponding positioning part in a lifting manner;

[0009] When positioning, the pressing shell is placed at the first end of the positioning part through the positioning cavity, the first operating part is close to the pressing shell and abuts against one of the positioning protrusions, and the second operating part is lowered and abuts against the end face of the pressing shell, so as to position the pressing shell.

[0010] Further, the positioning assembly is provided with three groups, and the moving directions of the first operating parts of each group of the positioning assembly are consistent.

[0011] Further, the positioning part comprises a positioning boss and a positioning shaft, the first end of the positioning boss is fixedly installed on the base, the second end of the positioning boss extends upward to adapt to the positioning groove, the first end of the positioning shaft is installed on the end face of the second end of the positioning boss, and the second end of the positioning shaft extends outward through the positioning through hole.

[0012] Further, the second operating part comprises an adjusting nut and an abutting piece, the abutting piece is arranged on the side of the adjusting nut facing the positioning boss, the second end of the positioning shaft is provided with an external thread section, an internal thread hole is formed in the adjusting nut corresponding to the external thread section, the adjusting nut is sleeved on the second end of the positioning shaft through a threaded structure, and the adjusting nut drives the abutting piece to approach or move away from the positioning boss by operating the adjusting nut.

[0013] Further, the adjusting nut and the abutting piece are integrally formed.

[0014] Further, the first operating part comprises a mounting block and a transverse moving piece, the mounting block is fixedly arranged on the base, the mounting block is provided with a through hole through which the transverse moving piece passes, and the transverse moving piece is arranged on the mounting block through the through hole and can approach or move away from the pressing shell.

[0015] Further, the mounting block is detachably installed on the base through a detachable assembly, the detachable assembly comprises at least one detachable bolt, a threaded hole is formed in the base corresponding to the detachable bolt, a detachable avoiding hole is formed in the mounting block corresponding to the detachable bolt, and the end of the detachable bolt is locked in the threaded hole after passing through the detachable avoiding hole.

[0016] Compared with the prior art, the multi-station positioning tool for pressing shell finishing has the beneficial effects that:

[0017] 1) by setting several groups of positioning assembly on the base, each group of positioning assembly includes first operation part, second operation part and positioning part, when positioning, the shell is placed in the first end of the positioning part through the positioning cavity, the first operation part is close to the shell and abuts on a positioning convex, the second operation part is lowered and abuts on the end surface of the shell, and then the shell is positioned, which not only has simple structure and ingenious design, but also can position several shells at a time, and the positioning efficiency is high;

[0018] 2) by setting the moving direction of the three groups of first operation part consistent, the angle of the three positioned shells can be kept consistent, and the consistency after the shell is positioned is ensured;

[0019] 3) by disassembling the bolt and the threaded hole cooperation, the mounting block is locked on the base, and a disassembly and assembly structure with high installation stability is provided. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate and understand the technical scheme in the embodiments of the present application, the drawings needed to be used in the background art and embodiment description of the present application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present application and these drawings without creative labor.

[0021] Fig. 1 is a top view schematic diagram of the multi-station positioning tool for shell finishing provided by the embodiments of the present application;

[0022] Fig. 2 is a front view schematic diagram of the multi-station positioning tool for shell finishing provided by the embodiments of the present application;

[0023] Fig. 3 is a bottom view schematic diagram of the shell provided by the embodiments of the present application;

[0024] Fig. 4 is a sectional view schematic diagram of the shell provided by the embodiments of the present application. DETAILED DESCRIPTION

[0025] The technical scheme of the present application will be further illustrated by specific embodiments in combination with the drawings.

[0026] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings. The drawings show the preferred embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. It should be noted that when a component is referred to as "fixed to" another component, it can be directly on another component or there can be a middle component. When a component is considered "connected" to another component, it can be directly connected to another component or there can be a middle component. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as understood by those skilled in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0027] Please refer to Figs. 1 to 4 As shown in the figure, in the embodiment, the inside of the pressing shell 10 is provided with a positioning groove 11 and a positioning through hole 12, the positioning groove 11 and the positioning through hole 12 are communicated to form a positioning cavity, and a plurality of positioning protrusions 13 are arranged on the outer side of the circumference of the pressing shell 10 at intervals, a multi-station positioning tool for fine machining of a pressing shell includes a base 20 and a plurality of sets of positioning assemblies 30, wherein: the plurality of sets of positioning assemblies 30 are arranged on the base 20 at intervals; each set of positioning assemblies 30 includes a first operating part 31, a second operating part 32 and a positioning part 33, the first end of the positioning part 33 is arranged on the base 20, the first end of the positioning part 33 corresponds to the positioning cavity, the second end of the positioning part 33 extends out of the positioning through hole 12 and extends outward, the first operating part 31 can be arranged on the base 20 close to or away from the corresponding positioning part 33, and the second operating part 32 is arranged on the second end of the corresponding positioning part 33 in a lifting manner; when positioning, the pressing shell 10 is placed on the first end of the positioning part 33 through the positioning cavity, the first operating part 31 is close to the pressing shell 10 and abuts against one of the positioning protrusions 13, and the second operating part 32 is lowered and abuts against the end face of the pressing shell 10, so that the pressing shell 10 is positioned.

[0028] It can be seen that by arranging a plurality of sets of positioning assemblies 30 on the base 20, each set of positioning assemblies 30 comprising a first operating part 31, a second operating part 32 and a positioning part 33, in the positioning process, the pressure shell 10 is placed in the positioning cavity at the first end of the positioning part 33, the first operating part 31 is close to the pressure shell 10 and abuts against one positioning protrusion 13, the second operating part 32 is lowered and abuts against the end face of the pressure shell 10, and then the pressure shell 10 is positioned, which not only has a simple structure and a clever design, but also can position a plurality of pressure shells 10 at one time, and the positioning efficiency is high.

[0029] As an implementation form, the positioning assembly 30 is provided with three sets, and the moving directions of the first operating parts 31 of each set of positioning assemblies 30 are consistent.

[0030] It can be seen that by setting the moving directions of the three first operating parts 31 to be consistent, the angles of the three positioned pressure shells 10 can be kept consistent, and the consistency of the positioned pressure shell 10 is ensured.

[0031] As an implementation form, the positioning part 33 comprises a positioning boss 330 and a positioning shaft 331, the first end of the positioning boss 330 is fixedly installed on the base 20, the second end of the positioning boss 330 extends upward to adapt to the positioning groove 11, the first end of the positioning shaft 331 is installed on the end face of the second end of the positioning boss 330, and the second end of the positioning shaft 331 extends outward through the positioning through hole 12.

[0032] As an implementation form, the second operating part 32 comprises an adjusting nut 320 and an abutting piece 321, the abutting piece 321 is arranged on the side of the adjusting nut 320 facing the positioning boss 330, the second end of the positioning shaft 331 is provided with an external thread section, an internal thread hole is formed in the adjusting nut 320 corresponding to the external thread section, the adjusting nut 320 is sleeved on the second end of the positioning shaft 331 through the threaded structure, and by operating the adjusting nut 320, the adjusting nut 320 drives the abutting piece 321 to approach or move away from the positioning boss 330.

[0033] As an implementation form, the adjusting nut 320 and the abutting piece 321 are integrally formed.

[0034] Specifically, the adjusting nut 320 and the abutting piece 321 are integrally welded.

[0035] As an implementation form, the first operating part 31 comprises a mounting block 310 and a horizontal moving piece 311, the mounting block 310 is fixedly arranged on the base 20, a via hole is formed in the mounting block 310 for the horizontal moving piece 311 to pass through, and the horizontal moving piece 311 is arranged on the mounting block 310 through the via hole and can approach or move away from the pressure shell 10.

[0036] As an implementation, the mounting block 310 is detachably mounted on the base 20 through a detachable assembly, the detachable assembly comprising at least one detachable bolt 40, a threaded hole corresponding to the detachable bolt 40 being formed on the base 20, and a detachable avoiding hole corresponding to the detachable bolt 40 being formed on the mounting block 310, the end of the detachable bolt 40 being locked in the threaded hole after passing through the detachable avoiding hole.

[0037] It can be seen that the mounting block 310 is locked on the base 20 through the detachable bolt 40 and the threaded hole, thereby providing a detachable structure with high installation stability.

[0038] It can be seen that the mounting block 310 is locked on the base 20 through the detachable bolt 40 and the threaded hole, thereby providing a detachable structure with high installation stability.

[0038] The multi-station positioning tool for shell pressing finishing is used for positioning as follows: first, the second operating part 32 is taken off from the positioning shaft 331, and the operator places the positioning groove 11 and the positioning through hole 12 of the shell 10 close to the positioning boss 330 and the positioning shaft 331; then the operator manually pushes the transverse moving part 311 to move towards the shell 10, and simultaneously the operator manually rotates the shell 10, so that the transverse moving part 311 abuts against one of the positioning protrusions 13; finally, the operator manually adjusts the adjusting nut 320, the adjusting nut 320 drives the abutting part 321 to approach the upper end face of the shell 10, so that the abutting part 321 abuts against the shell 10, and the positioning is completed.

[0039] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited by the above examples. Without departing from the spirit and scope of the present application, the present application has various changes and modifications, and these changes and modifications fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A multi-station positioning tool for press shell finishing, characterized by, The positioning groove and the positioning through hole are communicated to form a positioning cavity, and a plurality of positioning protrusions are arranged on the circumference of the pressing shell and spaced apart from the outer side. The plurality of positioning assemblies are arranged on the base in a spaced apart manner. Each positioning assembly comprises a first operating part, a second operating part and a positioning part, the first end of the positioning part is arranged on the base, the first end of the positioning part corresponds to the positioning cavity, the second end of the positioning part extends out of the positioning through hole and extends towards the outer side, the first operating part can be arranged on the base close to or away from the corresponding positioning part, and the second operating part is arranged on the second end of the corresponding positioning part in a liftably sleeved manner. During positioning, the pressing shell is placed on the first end of the positioning part through the positioning cavity, the first operating part is close to the pressing shell and abuts against one of the positioning protrusions, and the second operating part is lowered and abuts against the end face of the pressing shell, so that the pressing shell is positioned.

2. The multi-station positioning tool for press shell finishing according to claim 1, characterized in that, The positioning assembly is provided with three groups, and the moving directions of the first operating parts of each group of positioning assemblies are consistent.

3. The multi-station positioning tool for shell finishing according to claim 1, wherein, The positioning part comprises a positioning boss and a positioning shaft, the first end of the positioning boss is fixedly installed on the base, the second end of the positioning boss extends upwards to adapt to the positioning groove, the first end of the positioning shaft is installed on the end face of the second end of the positioning boss, and the second end of the positioning shaft extends out of the positioning through hole and extends towards the outer side.

4. The multi-station positioning tool for shell finishing according to claim 3, wherein, The second operating part comprises an adjusting nut and an abutting piece, the abutting piece is arranged on the side of the adjusting nut facing the positioning boss, the second end of the positioning shaft is provided with an external thread section, an internal thread hole corresponding to the external thread section is formed in the adjusting nut, the adjusting nut is sleeved on the second end of the positioning shaft through a threaded structure, and the adjusting nut drives the abutting piece to move close to or away from the positioning boss by operating the adjusting nut.

5. The multi-station positioning tool for shell finishing according to claim 4, wherein, The adjusting nut and the abutting piece are integrally formed.

6. The multi-station positioning tool for press shell finishing according to claim 1, wherein, The first operating part comprises a mounting block and a horizontal moving piece, the mounting block is fixedly arranged on the base, the mounting block is provided with a through hole through which the horizontal moving piece passes, and the horizontal moving piece is arranged on the mounting block in a manner of being close to or away from the pressing shell through the through hole.

7. The multi-station positioning tool for press shell finishing according to claim 6, characterized in that, The mounting block is detachably mounted on the base through a detachable assembly, the detachable assembly comprises at least one detachable bolt, a threaded hole corresponding to the detachable bolt is formed in the base, a detachable avoiding hole corresponding to the detachable bolt is formed in the mounting block, and the end of the detachable bolt is locked in the threaded hole after passing through the detachable avoiding hole.

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