CN215432682U

CN215432682U - Reverse chamfer frock in throttle shaft hole

Info

Publication number: CN215432682U
Application number: CN202122165597.3U
Authority: CN
Inventors: 韩剑敏; 樊国献; 刘兴山; 李银科; 夏端
Original assignee: Zhejiang Khansword Precision Machinery Co ltd
Current assignee: Zhejiang Khansword Precision Machinery Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-01-07
Anticipated expiration: 2031-09-08

Abstract

The utility model discloses a reverse chamfering tool for a throttle shaft hole, which comprises: the device comprises a workbench and a template arranged at the upper end of the workbench, wherein clamping grooves are formed in the two sides of the template, and a plurality of adjacent throttle shaft limiting grooves are formed in one side of each clamping groove; a throttle shaft clamping strip is arranged in the clamping groove, semicircular notch grooves are formed in the throttle shaft clamping strip, and the positions and the number of the notch grooves correspond to those of the throttle shaft limiting grooves; and a throttle shaft clamping mechanism used for clamping one end of a throttle shaft in each clamping groove is arranged at the other side of each clamping groove. The utility model can simultaneously and rapidly clamp a plurality of groups of throttle valve shafts without screwing screws, thereby saving a great deal of time, and in addition, the adjacent throttle valve shafts are respectively limited, thereby solving the collision problem.

Description

Reverse chamfer frock in throttle shaft hole

Technical Field

The utility model relates to the field of throttle shaft processing equipment, in particular to a reverse chamfering tool for a throttle shaft hole.

Background

The throttle shaft is a part used on an automobile engine control mechanism, is made of 304 stainless steel and 420F free cutting steel, has good toughness and high strength, and is used as a valve shaft for controlling the air inflow of a valve. The diameter of the shaft is 8mm and 10mm respectively, the length of the shaft is 84.3mm to 137.2 mm, the shaft has 30 specifications, two ends of the shaft are provided with 60-degree central holes and flat squares, and a screw hole, a screw thread, an annular groove and the like are arranged on the shaft. A long flat groove is arranged in the middle of each shaft, and the two sides of the middle shaft line are symmetrically penetrated through. The groove width is 1.15mm to 2.08mm, the length is 38.3 to 62.5, and the reverse chamfering process needs to be carried out on the throttle shaft in technical requirements. Before the above-described process is performed, the throttle shaft needs to be positioned and clamped. The existing method is that a workpiece is manually placed on a processing table, and a screw is screwed to clamp the workpiece after the position is found, so that the efficiency is low.

Based on the above problems, there is a need for improvement of the prior art.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides a reverse chamfering tool for a throttle shaft hole.

The utility model is realized by the following technical scheme: the utility model provides a reverse chamfer frock in throttle shaft hole, includes:

the end face of the workbench is fixedly provided with a plurality of groups of positioning screws; the template I is supported at the end part of the positioning screw, clamping grooves are arranged at the two sides of the template I, and a plurality of adjacent throttle shaft limiting grooves are arranged at one side of each clamping groove;

the throttle shaft clamping strip is arranged in the clamping groove, semicircular notch grooves are formed in the throttle shaft clamping strip, and the positions and the number of the notch grooves correspond to those of the throttle shaft limiting grooves;

and the throttle shaft clamping mechanism is arranged at the other side of each clamping groove and is used for clamping one end of the throttle shaft in the clamping groove.

In the technical scheme, mounting seats are convexly arranged on two sides of the workbench, a template clamping mechanism is fixedly arranged on the mounting seats, and the template clamping mechanism comprises a clamping cylinder and a clamping air claw driven by the clamping cylinder.

In the technical scheme, the throttle shaft clamping mechanism comprises a quick clamping bolt screwed on the template and a throttle shaft pressing strip arranged below the quick clamping bolt and pressed by the quick clamping bolt.

In the technical scheme, the throttle shaft limiting grooves are symmetrically distributed on two sides of the quick clamping bolt.

In the technical scheme, the device further comprises a directional row and a driving cylinder for pushing the directional row to horizontally push, and the directional row is opposite to the long flat groove in the middle of the throttle shaft.

The utility model has the following beneficial effects: the utility model can simultaneously and rapidly clamp a plurality of groups of throttle valve shafts without screwing screws, thereby saving a great deal of time, and in addition, the adjacent throttle valve shafts are respectively limited, thereby solving the collision problem.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic front view of the present invention.

Fig. 3 is a schematic top view of the present invention.

FIG. 4 is a side view of the present invention.

Detailed Description

The utility model is described in further detail below with reference to the following detailed description and accompanying drawings: referring to fig. 1 to 4, a reverse chamfering tool for a throttle shaft hole comprises a workbench 1, a template 2, a throttle shaft clamping strip 3 and a throttle shaft clamping mechanism 4. Wherein, be fixed with a plurality of groups set screw 100 on the terminal surface position of workstation 1, template 2 is supported at set screw 100's tip 2 both sides position is provided with draw-in groove 20, is provided with a plurality of throttle shaft spacing grooves 21 that face to connect in one side position of every draw-in groove 20. The throttle shaft clamping strip 3 is arranged in the clamping groove 20, semicircular notch grooves are formed in the throttle shaft clamping strip 3, and the positions and the number of the notch grooves correspond to those of the throttle shaft limiting grooves 21; the throttle shaft clamping mechanism 4 is disposed at the other side of each slot 20 for clamping one end of the throttle shaft located in the slot 20.

In the structure, the semicircular notch on the throttle shaft clamping strip 3 is clamped into the annular groove at the front end of the throttle shaft 200, the position of the throttle shaft 200 close to the front end is positioned, and the axis of the throttle shaft is completely locked; the throttle shaft 200 is positioned at the front end and the rear end through the throttle shaft clamping mechanism 4 and the clamping groove 20 which are positioned at two sides of the throttle shaft clamping strip, so that the whole throttle shaft is firmly limited in position, and the axial direction cannot occur, so that the precision of the throttle shaft during reverse chamfering is improved.

Wherein, the protruding mount pad 10 that is equipped with in 1 both sides of workstation fixed template clamping mechanism 5 that is provided with on the mount pad 10, template clamping mechanism 5 includes die clamping cylinder 50 and quilt die clamping cylinder 50 driven presss from both sides tight gas claw 51, through pressing from both sides template 2 tightly, can further prevent to be followed up by spacing throttle shaft and template on template 2, and then improves the precision of radius angle.

As an example of the throttle shaft clamping mechanism 4: the throttle shaft clamping mechanism 4 comprises a quick clamping bolt 40 screwed on the template and a throttle shaft pressing strip 41 arranged below the quick clamping bolt 40 and pressed by the quick clamping bolt 40. Furthermore, in order to ensure that the two sides of the throttle shaft batten 41 can be balanced in stress, the throttle shaft limiting grooves 21 are symmetrically distributed on the two sides of the quick clamping bolt 40.

Preferably, the device also comprises a directional row 6 and a driving cylinder 7 for pushing the directional row to horizontally move, wherein the directional row 6 is opposite to the long flat groove in the middle position of the throttle shaft. In the structure, when the throttle shaft is determined as the throttle shaft limiting groove on the template 2, the directional row 6 is driven by the driving cylinder 7 to enter the long flat grooves in all the arranged throttle shafts, and firstly, the directional row 6 acts as a stop part for further preventing the axial transmission of the throttle shaft; furthermore, the directional row 6 applies downward pressure to the end face of the long flat groove, so that the throttle shaft can be further pressed, and the rear end part of the throttle shaft is prevented from being separated from the throttle shaft limiting groove due to the acceptance of the front end in the machining process.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be appreciated by persons skilled in the art that the present invention is not limited by the embodiments described above. The foregoing embodiments and description of the utility model have been provided for the purposes of illustrating the principles of the utility model and is subject to various changes and modifications without departing from the spirit and scope of the utility model. Such variations and modifications are intended to be within the scope of the claimed invention.

Claims

1. The utility model provides a reverse chamfer frock in throttle shaft hole which characterized in that includes:

the device comprises a workbench (1), wherein a plurality of groups of positioning screws (100) are fixed on the end surface of the workbench (1); the template (2) is supported at the end part of the positioning screw (100), clamping grooves (20) are arranged at the two sides of the template (2), and a plurality of adjacent throttle shaft limiting grooves (21) are arranged at one side of each clamping groove (20);

the throttle shaft clamping strip (3) is arranged in the clamping groove (20), semicircular notch grooves are formed in the throttle shaft clamping strip (3), and the positions and the number of the notch grooves correspond to those of the throttle shaft limiting grooves (21);

and the throttle shaft clamping mechanism (4) is arranged at the other side position of each clamping groove (20) and is used for clamping one end of the throttle shaft in the clamping groove (20).

2. The reverse chamfering tool for the throttle shaft hole as claimed in claim 1, wherein: the template clamping mechanism is characterized in that mounting bases (10) are convexly arranged on two sides of the workbench (1), a template clamping mechanism (5) is fixedly arranged on the mounting bases (10), and the template clamping mechanism (5) comprises a clamping cylinder (50) and a clamping air claw (51) driven by the clamping cylinder (50).

3. The reverse chamfering tool for the throttle shaft hole as claimed in claim 1, wherein: the throttle shaft clamping mechanism (4) comprises a quick clamping bolt (40) screwed on the template and a throttle shaft pressing strip (41) arranged below the quick clamping bolt (40) and pressed by the quick clamping bolt (40).

4. The reverse chamfering tool for the throttle shaft hole as claimed in claim 3, wherein: the throttle shaft limiting grooves (21) are symmetrically distributed on two sides of the quick clamping bolt (40).

5. The reverse chamfering tool for the throttle shaft hole as claimed in claim 1, wherein: the device also comprises a directional row (6) and a driving cylinder (7) for pushing the directional row to horizontally move, wherein the directional row (6) is opposite to the long flat groove in the middle of the throttle shaft.