CN214770170U

CN214770170U - Displacement control type press fitting tool for steering knuckle

Info

Publication number: CN214770170U
Application number: CN202121061000.4U
Authority: CN
Inventors: 陈佳成; 陈雪; 王宇航; 张殿杰
Original assignee: Qinhuangdao Dicastal Xionglong Wheels Co Ltd
Current assignee: Qinhuangdao Dicastal Xionglong Wheels Co Ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-11-19
Anticipated expiration: 2031-05-18

Abstract

The utility model relates to the technical field of press mounting, in particular to a displacement control type press mounting tool for a steering knuckle, which is not influenced by the thickness of the non-machined surface at the upper end of a workpiece, ensures the stability of the press mounting size and improves the working efficiency; the positioning device comprises two vertical side support plates symmetrically fixed on two sides of a bottom plate, wherein a transverse pressing plate is connected between the top ends of the two side support plates, a mandrel sleeve is arranged on the pressing plate, a vertical positioning mandrel is arranged on the inner side of the mandrel sleeve, the lower end of the positioning mandrel is fixedly connected with a sliding connection plate, a vertical through hole is formed in the sliding connection plate, a sliding sleeve is arranged on the inner side of the through hole, a sliding rod in the vertical direction penetrates through the inner side of the sliding sleeve, and two ends of the sliding rod are respectively fixedly connected with the pressing plate and the bottom plate; a transverse sensor positioning plate is connected between the two side supporting plates, a length sensor is installed on the sensor positioning plate, an air cylinder is fixed on the bottom plate, the piston end of the air cylinder is vertically upward, and a positioning mandrel is connected with the piston end of the air cylinder.

Description

Displacement control type press fitting tool for steering knuckle

Technical Field

The utility model relates to a technical field of pressure equipment especially relates to a displacement control formula pressure equipment frock of knuckle.

Background

The press fitting tool is used for positioning a workpiece and a lining on a press fitting machine, and the lining is pressed into the workpiece by the press fitting machine, so that the workpiece is assembled. The bush has strict dimensional requirement relative to the workpiece machining plane, and the dimensional stability needs the frock to guarantee. The upper surface of the workpiece press-mounting hole is a casting surface, and the casting surface is influenced by die abrasion and the like, so that the press-mounting size is unstable; in order to prevent the problem of press-fitting size, the detection frequency of final inspection personnel needs to be increased, so that the workload of the operators is increased, and the working efficiency is influenced.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a displacement control formula pressure equipment frock of knuckle that does not receive the influence of the not machine of work piece upper end plus face thickness has guaranteed the stability of pressure equipment size, promotes work efficiency.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the utility model discloses a displacement control formula pressure equipment frock of knuckle, including two vertical side extension boards of symmetry fixed in the bottom plate both sides, be connected with horizontal clamp plate between the top of two side extension boards, set up the dabber sleeve on the clamp plate, the inboard of dabber sleeve sets up vertical positioning core axle, positioning core axle's lower extreme and sliding connection board fixed connection, set up vertical through-hole on the sliding connection board, the slip cap is installed in the inboard of through-hole, the slide bar of vertical direction wear to locate the slip cap inboard and both ends respectively with clamp plate and bottom plate fixed connection; a transverse sensor positioning plate is connected between the two side supporting plates, and a length sensor is mounted on the sensor positioning plate and used for detecting the downward movement displacement of the sliding connecting plate; and the bottom plate is fixedly provided with an air cylinder, the piston end of the air cylinder is vertically upward, and the positioning mandrel is connected with the piston end of the air cylinder.

Furthermore, a workpiece auxiliary positioning block is further arranged on the bottom plate, and the workpiece auxiliary positioning block is matched with the positioning mandrel to fix the workpiece.

Furthermore, handles are symmetrically arranged on the outer sides of the two side support plates.

Furthermore, an electromagnetic valve is arranged on the pressing plate and is in signal connection with the press-fitting machine and the PLC system.

Furthermore, a limiting mechanism is arranged at the lower part of the piston end of the cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: in the pressing-in process, the sliding connection plate continuously moves downwards, and when the sliding connection plate presses the length sensor to a set value, the pressing head of the press-fitting machine automatically returns; the displacement that the work piece moved down is detected through the length sensor with the face that adds of work piece lower extreme machine as the standard, and then has guaranteed the stability of pressure equipment size, and the quality of product has obtained the promotion, does not receive the influence of the not machine face thickness that adds of work piece upper end, has reduced artifical frequency of detection, has reduced operating personnel work load, is showing improvement work efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic rear view plane structure diagram of the embodiment of the present invention;

reference numerals: 1-a handle; 2-a bottom plate; 3-a side support plate; 4, pressing a plate; 5-a mandrel sleeve; 6, positioning a mandrel; 7-a sliding connection plate; 8-a sensor positioning plate; 9-an electromagnetic valve; 10-auxiliary locking positioning blocks; 11-auxiliary workpiece positioning blocks; 12-slide bar a; 13-a sliding sleeve; 14-a length sensor; 15-sliding bar B; 16-a limit bolt; 17-cylinder.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 2, the displacement control type press-fitting tool for a steering knuckle of the embodiment of the present invention includes two vertical side support plates 3 symmetrically fixed on two sides of a bottom plate 2, a horizontal pressing plate 4 is connected between the top ends of the two side support plates 3, the pressing plate 4 is rectangular, a mandrel sleeve 5 is arranged at the center of the front side of the pressing plate 4, a vertical positioning mandrel 6 is arranged inside the mandrel sleeve 5, the lower end of the positioning mandrel 6 is fixedly connected with a horizontal sliding connection plate 7, a vertical through hole is formed in the sliding connection plate 7, a sliding sleeve 13 is installed inside the through hole, a sliding rod in a vertical direction penetrates through the inside of the sliding sleeve 13, and two ends of the sliding rod are respectively fixedly connected with the pressing plate 4 and the bottom plate 2; when the press fitting device is used, a hole to be press-fitted of a workpiece is fixed at the positioning mandrel 6, the press fitting machine presses the bushing into the hole to be press-fitted of the workpiece through the pressure head, and the positioning mandrel 6 drives the sliding connecting plate 7 to move downwards along the sliding rod under the pressure of the press fitting machine; optionally, the slide bars are arranged in two parallel, namely a slide bar A12 and a slide bar B15; a transverse sensor positioning plate 8 is connected between the rear sides of the two side support plates 3, a length sensor 14 is installed on the sensor positioning plate 8, the sliding connection plate 7 can be in contact with the length sensor 14 in the process of continuously moving downwards, the length sensor 14 detects the downward movement displacement of the sliding connection plate 7, and when the sliding connection plate 7 presses the 14 length sensor to a set value, a pressing head of the press-fitting machine automatically returns; the length sensor detects the downward movement displacement of the workpiece based on the machined surface of the lower end of the workpiece, so that the stability of the press-fitting size is ensured, the quality of a product is improved, the influence of the thickness of the non-machined surface of the upper end of the workpiece is avoided, the manual detection frequency is reduced, the workload of operators is reduced, and the working efficiency is obviously improved; a cylinder 17 is fixed on the bottom plate 2, the piston end of the cylinder 17 is vertically upward, and the positioning mandrel 6 is connected with the piston end of the cylinder 17; the air cylinder 17 jacks up the positioning mandrel 6 through air to reset the positioning mandrel.

In the embodiment, a workpiece auxiliary positioning block 11 is further arranged on the bottom plate 2 and positioned at the lower side of the mandrel sleeve 5, and the workpiece auxiliary positioning block 11 is matched with the positioning mandrel 6 to be used for fixedly supporting a steering knuckle workpiece; the handles 1 are symmetrically arranged on the outer sides of the two side support plates 3, so that the carrying of the tool is facilitated; preferably, the handle 1 is of a detachable structure, and an auxiliary locking positioning block 10 for assisting in installing and positioning the handle 1 is installed on the rear side of the side support plate 3; the pressing plate 4 is provided with the electromagnetic valve 9, the electromagnetic valve 9 is in signal connection with the press-mounting machine and the PLC system, the automatic control of the press-mounting process of the tool of the utility model is realized through the PLC system, meanwhile, the length sensor 14 is in signal connection with the PLC system, and when the length sensor 14 presses a set value, a pressure head of the press-mounting machine automatically returns; the lower part of the piston end of the cylinder 17 is provided with a limiting mechanism to prevent the cylinder from being damaged by overlarge pressure of the press-mounting machine, so that the cylinder is protected; the limiting mechanism in this embodiment is a limiting bolt 16, and the limiting mechanism may also be of other suitable structures, and may be specifically selected as needed in actual application, which is not listed here.

The utility model discloses displacement control formula pressure equipment frock of knuckle, it is at the during operation, the back is connected with the pressure equipment machine to the frock, cylinder 17 is through gas 6 jack-ups of positioning core axle, the pressure equipment hole of treating of work piece knuckle is put at 6 locating backs of frock positioning core axle, the pressure equipment machine passes through the pressure head and impresses the bush in the pressure equipment hole of treating of work piece, at the in-process of impressing, sliding connection board 7 constantly moves down, when sliding connection board 7 presses length sensor 14 to the setting value, the pressure head of pressure equipment machine returns automatically.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The displacement control type press-fitting tool for the steering knuckle is characterized by comprising two vertical side supporting plates (3) which are symmetrically fixed on two sides of a base plate (2), a transverse pressing plate (4) is connected between the top ends of the two side supporting plates (3), a mandrel sleeve (5) is arranged on the pressing plate (4), a vertical positioning mandrel (6) is arranged on the inner side of the mandrel sleeve (5), the lower end of the positioning mandrel (6) is fixedly connected with a transverse sliding connecting plate (7), a vertical through hole is formed in the sliding connecting plate (7), a sliding sleeve (13) is arranged on the inner side of the through hole, a sliding rod in the vertical direction penetrates through the inner side of the sliding sleeve (13), and two ends of the sliding rod are fixedly connected with the pressing plate (4) and the base plate (2) respectively; a transverse sensor positioning plate (8) is connected between the two side supporting plates (3), and a length sensor (14) is mounted on the sensor positioning plate (8) and used for detecting the downward movement displacement of the sliding connecting plate (7); and a cylinder (17) is fixed on the bottom plate (2), the piston end of the cylinder (17) is vertically upward, and the positioning mandrel (6) is connected with the piston end of the cylinder (17).

2. The displacement control type press fitting tool for the steering knuckle according to claim 1, wherein a workpiece auxiliary positioning block (11) is further arranged on the base plate (2), and the workpiece auxiliary positioning block (11) is matched with the positioning mandrel (6) for fixing a workpiece.

3. The displacement control type press fitting tool for the steering knuckle according to claim 2, wherein handles (1) are symmetrically arranged on the outer sides of the two side support plates (3).

4. The displacement control type press fitting tool for the steering knuckle according to claim 3, wherein an electromagnetic valve (9) is arranged on the pressure plate (4), and the electromagnetic valve (9) is in signal connection with the press fitting machine and a PLC system.

5. The displacement control type press fitting tool for the steering knuckle according to claim 4, wherein a limiting mechanism is arranged at the lower part of the piston end of the air cylinder (17).