Positioning tool for intermediate finish machining

Abstract

The utility model discloses a locating tool for intermediate finish machining, which comprises a base, a locating seat and a locating assembly, the locating seat is fixedly arranged on the base, a locating boss extending upwards is arranged on the end face of the locating seat, the locating boss is arranged corresponding to a locating groove, the locating assembly is arranged on the base and located on one side of the locating seat, and the locating assembly is arranged on the base and located on the other side of the locating seat. Each positioning assembly comprises a driving part and a pressing piece, the driving end of the driving part is connected with the pressing piece, and the driving part is configured to drive the pressing piece to be close to or away from the end face of the middle body. According to the positioning tool for finish machining of the intermediate, during positioning, the intermediate is placed on the end face of the positioning base through cooperation of the positioning groove and the positioning boss, the driving part drives the pressing piece to be close to and abut against the end face of the intermediate so as to be matched with the positioning base to position the intermediate, and the positioning tool is simple in structure, low in cost and high in practicability. And the positioning precision is high.

Description

TECHNICAL FIELD

[0001] The utility model belongs to worm gear supercharger finishing technology field especially, it is a kind of positioning tool for intermediate body 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 using more fuel, generates greater power. The core components of worm gear supercharger include pressure shell, turbine, compressor and intermediate body etc.

[0003] The intermediate body of worm gear supercharger is not just a simple connecting piece, but a complex component integrating multiple advanced technologies, which has a crucial influence on the performance of the entire supercharging system. With the development of technology, the design of intermediate body is also constantly improving to meet increasingly stringent emission standards and performance requirements.

[0004] When implementing finishing on the intermediate body of worm gear supercharger, a specific positioning tool is needed to position the intermediate body, and after positioning, subsequent processing can be implemented. The existing intermediate body positioning tool mostly positions the intermediate body through simple fixing methods such as screws and pins. Although the above-mentioned method has simple structure and low cost, it has low positioning accuracy, which affects the finishing quality of the intermediate body. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a positioning tool for intermediate body finishing to solve the problem of low positioning accuracy of conventional positioning tools in the prior art.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] A positioning groove is formed on the intermediate body, and a positioning tool for intermediate body finishing includes a base, a positioning seat and at least one set of positioning components, wherein:

[0008] The positioning seat is fixedly arranged on the base, and a positioning boss extending upward is formed on the end face of the positioning seat, the positioning boss is arranged corresponding to the positioning groove, at least one set of the positioning components is arranged on the base and located on one side of the positioning seat, each set of the positioning components includes a driving part and a pressing piece, the driving end of the driving part is connected to the pressing piece, and the driving part is configured to drive the pressing piece to approach or move away from the end face of the intermediate body.

[0009] In the positioning process, the intermediate body is placed on the end face of the positioning seat through cooperation of the positioning groove and the positioning boss, and the driving part drives the pressing piece to abut against the end face of the intermediate body to position the intermediate body through the positioning seat.

[0010] Further, the positioning assembly is provided with two groups, and the two groups of positioning assemblies are arranged on two sides of the positioning seat.

[0011] Further, the positioning assembly further comprises an adjusting part, the adjusting part comprises a first screw, a first threaded segment is formed on the first screw, a first threaded hole is formed on the pressing piece corresponding to the first threaded segment, the first screw is threaded on the pressing piece, and the first screw is rotated to drive the pressing piece to ascend and descend through the threaded structure.

[0012] Further, the base is provided with a positioning block, a positioning face is arranged on the first side of the positioning block, and the side edge of the intermediate body abuts against the positioning face in the positioning process.

[0013] Further, the positioning block is adjustably arranged on the base through an adjusting assembly, the adjusting assembly comprises a second screw, a second threaded segment is formed on the second screw, a second threaded hole is formed on the second end of the positioning block corresponding to the second threaded segment, and the second screw is threaded on the positioning block.

[0014] Further, the driving part comprises a third screw and a manual adjusting piece, a third threaded segment is formed on the first end of the third screw, a third threaded hole is formed on the base corresponding to the third threaded segment, the third screw is threaded on the base, a through hole is formed on the pressing piece for the third screw to pass through, the second end of the third screw passes through the through hole and is fixed with the manual adjusting piece at the end.

[0015] In the positioning process, the manual adjusting piece is rotated to be lowered to abut against the upper end face of the pressing piece through cooperation of the threaded structure, and then the pressing piece is driven to be pressed and abut against the upper end face of the intermediate body.

[0016] Further, the manual adjusting piece comprises an adjusting nut and an abutting piece, and the abutting piece is arranged on the side of the adjusting nut facing the pressing piece.

[0017] Further, the adjusting nut and the abutting piece are integrally formed.

[0018] Compared with the prior art, the positioning tool for intermediate body finishing has the following beneficial effects:

[0019] 1) through the cooperation of the positioning seat and the positioning assembly, the end face of the positioning seat is provided with an upward extending positioning boss, the positioning assembly comprises a driving part and a pressing piece, during positioning, the intermediate body is placed on the end face of the positioning seat through the cooperation of the positioning groove and the positioning boss, the driving part drives the pressing piece to abut on the end face of the intermediate body, and the intermediate body is positioned by cooperating with the positioning seat, which is not only simple in structure, low in cost, but also high in positioning precision;

[0020] 2) two groups of positioning assemblies are arranged, the intermediate body can be positioned on both sides of the positioning seat, and the positioning precision is further improved;

[0021] 3) by arranging the position adjusting assembly, the position of the positioning block on the base can be adjusted to adapt to intermediate bodies of different specifications, and the universality of positioning is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0022] 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 the 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 the drawings without creative labor.

[0023] Fig. 1 is a top view schematic diagram of the positioning tool for intermediate body finishing provided by the embodiments of the present application;

[0024] Fig. 2 is a front view schematic diagram of the positioning tool for intermediate body finishing provided by the embodiments of the present application;

[0025] Fig. 3 is a sectional view schematic diagram of the intermediate body provided by the embodiments of the present application. DETAILED DESCRIPTION

[0026] The technical scheme of the present application will be further illustrated by specific embodiments in combination with the drawings.

[0027] 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 the other component or there can be a middle component. When a component is considered "connected" to another component, it can be directly connected to the other 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 are not intended to be 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 of the technology 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.

[0028] Please refer to Figs. 1 to 3 As shown in the drawings, in the embodiment, the intermediate body 1 is provided with a positioning groove 100, and a positioning tool for finishing the intermediate body comprises a base 10, a positioning seat 20 and at least one set of positioning assemblies 30, wherein: the positioning seat 20 is fixedly arranged on the base 10, an upwardly extending positioning boss 21 is arranged on the end face of the positioning seat 20, the positioning boss 21 is arranged correspondingly to the positioning groove 100, and at least one set of positioning assemblies 30 is arranged on the base 10 and located on one side of the positioning seat 20. Each set of positioning assemblies 30 comprises a driving part 31 and a pressing piece 32, the driving end of the driving part 31 is connected to the pressing piece 32, and the driving part 31 is configured to drive the pressing piece 32 to approach or move away from the end face of the intermediate body 1. When positioning, the intermediate body 1 is placed on the end face of the positioning seat 20 through the cooperation of the positioning groove 100 and the positioning boss 21, and the driving part 31 drives the pressing piece 32 to approach and abut against the end face of the intermediate body 1, so that the intermediate body 1 is positioned by cooperating with the positioning seat 20.

[0029] As can be seen, through the cooperation of the positioning seat 20 and the positioning assembly 30, the upwardly extending positioning boss 21 is arranged on the end face of the positioning seat 20, the positioning assembly 30 comprises the driving part 31 and the pressing piece 32, and when positioning, the intermediate body 1 is placed on the end face of the positioning seat 20 through the cooperation of the positioning groove 100 and the positioning boss 21, the driving part 31 drives the pressing piece 32 to approach and abut against the end face of the intermediate body 1, and the intermediate body 1 is positioned by cooperating with the positioning seat 20. Not only is the structure simple and the cost low, but also the positioning precision is high.

[0030] As an implementation form, the positioning assembly 30 is provided with two groups, and the two groups of positioning assemblies 30 are arranged on two sides of the positioning seat 20.

[0031] It can be seen that the two groups of positioning assemblies 30 are arranged, and the intermediate body 1 can be positioned on both sides of the positioning seat 20, and the positioning accuracy is further improved.

[0032] As an implementation form, the positioning assembly 30 further comprises an adjusting part, the adjusting part comprises a first screw rod 33, a first threaded segment 330 is arranged on the first screw rod 33, a first threaded hole is arranged on the pressing piece 32 corresponding to the first threaded segment 330, and the first screw rod 33 is arranged on the pressing piece 32 through a threaded structure. The first screw rod 33 is rotated to drive the pressing piece 32 to rise and fall through the threaded structure.

[0033] Specifically, the bottom of the first screw rod 33 is provided with a height adjusting protrusion 331, and the height adjusting protrusion 331 can drive the first screw rod 33 to rotate.

[0034] As an implementation form, the base 10 is provided with a positioning block 40, a first side of the positioning block 40 is a positioning surface, and the side edge of the intermediate body 1 abuts on the positioning surface during positioning.

[0035] As an implementation form, the positioning block 40 is adjustably arranged on the base 10 through a position adjusting assembly, the position adjusting assembly comprises a second screw rod 41, a second threaded segment is arranged on the second screw rod 41, a second threaded hole is arranged on the second end of the positioning block 40 corresponding to the second threaded segment, and the second screw rod 41 is arranged on the positioning block 40 through a threaded structure.

[0036] It can be seen that by arranging the position adjusting assembly, the position of the positioning block 40 on the base 10 can be adjusted to adapt to intermediate bodies 1 of different specifications, and the universality of positioning is further improved.

[0037] As an implementation form, the driving part 31 comprises a third screw rod 310 and a manual adjusting piece, a third threaded segment 311 is arranged on the first end of the third screw rod 310, a third threaded hole is arranged on the base 10 corresponding to the third threaded segment 311, the third screw rod 310 is arranged on the base 10 through a threaded structure, a through hole 320 is arranged on the pressing piece 32 for the third screw rod 310 to pass through, the second end of the third screw rod 310 passes through the through hole 320 and is fixed with the manual adjusting piece at the end; during positioning, the manual adjusting piece is lowered to press against the upper end surface of the pressing piece 32 after being rotated under the cooperation of the threaded structure, and drives the pressing piece 32 to press downward and abut on the upper end surface of the intermediate body 1.

[0038] As an implementation form, the manual adjusting piece comprises an adjusting nut 312 and an abutting piece 313, and the abutting piece 313 is arranged on the side of the adjusting nut 312 facing the pressing piece 32.

[0039] As an implementation, the adjusting nut 312 is integrally formed with the abutting member 313.

[0040] When positioning, first, according to the specification of the intermediate body 1 to be positioned, the first screw rod 33 is manually adjusted to rotate by the height adjusting protrusion 331, so that the pressing member 32 is lifted to an appropriate height, the mounting groove of the intermediate body 1 is placed on the positioning boss 21, the second screw rod 41 is adjusted so that the positioning surface of the positioning block 40 abuts on one side edge of the intermediate body 1, the abutting member 313 is manually adjusted to be pressed down by the adjusting nut 312 until it abuts on the upper end surface of the pressing member 32, the pressing member 32 is pressed down by the abutting member 313 and abuts on the upper end surface of the intermediate body 1, and the positioning is completed.

[0041] 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, various changes and modifications can be made to the present application, and these changes and modifications all 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 positioning tool for intermediate finishing, characterized in that, The intermediate body is provided with a positioning groove, and the positioning tool for intermediate body finishing comprises a base, a positioning seat and at least one set of positioning assemblies, wherein: The positioning seat is fixedly arranged on the base, and an upwardly extending positioning boss is arranged on the end face of the positioning seat and corresponds to the positioning groove; at least one set of the positioning assemblies is arranged on the base and located on one side of the positioning seat; each set of the positioning assemblies comprises a driving part and a pressing piece, the driving end of the driving part is connected to the pressing piece, and the driving part is configured to drive the pressing piece to approach or move away from the end face of the intermediate body; During positioning, the intermediate body is placed on the end face of the positioning seat through cooperation of the positioning groove and the positioning boss, and the driving part drives the pressing piece to approach and abut against the end face of the intermediate body, so that the positioning seat positions the intermediate body.

2. The positioning fixture for intermediate finishing according to claim 1, characterized in that, The positioning assemblies are provided in two sets, and the two sets of positioning assemblies are arranged on both sides of the positioning seat.

3. The positioning fixture for intermediate finishing according to claim 1, characterized in that, The positioning assembly further comprises an adjusting part, the adjusting part comprises a first screw rod, a first threaded hole is arranged on the pressing piece corresponding to a first threaded segment arranged on the first screw rod, the first screw rod is arranged on the pressing piece through a threaded structure, and the first screw rod is rotated to drive the pressing piece to ascend or descend through the threaded structure.

4. The positioning fixture for intermediate finishing according to claim 1, characterized in that, The base is provided with a positioning block, a positioning face is arranged on the first side of the positioning block, and the side edge of the intermediate body abuts against the positioning face during positioning.

5. The positioning fixture for intermediate finishing according to claim 4, characterized in that, The positioning block is adjustably arranged on the base through an adjusting assembly, the adjusting assembly comprises a second screw rod, a second threaded hole is arranged on the second end of the positioning block corresponding to a second threaded segment arranged on the second screw rod, and the second screw rod is arranged on the positioning block through a threaded structure.

6. The positioning fixture for intermediate finishing according to claim 1, characterized in that, The driving part comprises a third screw rod and a manual adjusting piece, a third threaded hole is arranged on the base corresponding to a third threaded segment arranged on the first end of the third screw rod, the third screw rod is arranged on the base through a threaded structure, a through hole is arranged on the pressing piece for the third screw rod to pass through, the second end of the third screw rod passes through the through hole and is fixed with the manual adjusting piece at the end; During positioning, the manual adjusting piece is rotated and lowered to press against the upper end face of the pressing piece, and then drives the pressing piece to press against the upper end face of the intermediate body under cooperation of the threaded structure.

7. The positioning fixture for intermediate finishing according to claim 6, characterized in that, The manual adjusting piece comprises an adjusting nut and an abutting piece, and the abutting piece is arranged on the side of the adjusting nut facing the pressing piece.

8. The positioning fixture for intermediate finishing according to claim 7, characterized in that, The adjusting nut and the abutting piece are integrally formed.

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