CN213657769U

CN213657769U - Utensil is examined in special use of a steering system uide bushing

Info

Publication number: CN213657769U
Application number: CN202023185176.9U
Authority: CN
Inventors: 张晓�; 吴庆; 万建刚
Original assignee: Taicang Haijia Vehicle Fittings Co ltd
Current assignee: Taicang Haijia Vehicle Fittings Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-07-09
Anticipated expiration: 2030-12-26

Abstract

The utility model discloses an utensil is examined in special use of a steering system uide bushing, include: the reference bottom plate is used for placing a workpiece and positioning the levelness of the workpiece; the center fixing mechanism is used for determining the center position of the workpiece; the size measuring mechanism is used for measuring the distance from the center of the circle of the workpiece to a side wall; the vertical clamping mechanism is used for clamping and fixing the workpiece on the reference bottom plate; and the workbench is used for fixing and installing the reference bottom plate, the central fixing mechanism, the size measuring mechanism and the vertical clamping mechanism. The utility model discloses a center fixed establishment confirms the location center of work piece to cooperation circumference setting is in four locating pins and locating hole cooperations, confirms the horizontal angle of work piece location, and it is fixed to press from both sides through vertical clamping mechanism at last, has improved the positioning accuracy of work piece, and can be quick fix a position the work piece, has improved the installation effectiveness, and then has improved detection efficiency.

Description

Utensil is examined in special use of a steering system uide bushing

Technical Field

The utility model relates to a die-casting field, in particular to a steering system uide bushing

Background

Along with the development of the die-casting industry, especially the quality system requirement of the automobile industry is higher and higher, the size of a product is qualified, and the process SPC control is carried out on the key characteristic size, so that the actual numerical value of the size of the product needs to be measured in real time, and therefore, a checking fixture capable of quickly and accurately measuring the size of the product is urgently needed.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists above, the utility model discloses a main aim at overcomes prior art's weak point, discloses a utensil is examined in special use of a steering system uide bushing, include:

the reference bottom plate is used for placing a workpiece and positioning the levelness of the workpiece;

a center fixing mechanism for determining the center position of the workpiece;

the size measuring mechanism is used for measuring the distance from the center of the circle of the workpiece to a side wall;

the vertical clamping mechanism clamps and fixes the workpiece on the reference bottom plate;

and the workbench is used for fixing and installing the reference bottom plate, the central fixing mechanism, the size measuring mechanism and the vertical clamping mechanism.

Further, the center fixing mechanism comprises a vertical rod, a C-shaped sleeve, a truncated cone pressing block, a connecting rod, a cam, a connecting block and a handle, the vertical rod is vertically arranged on the reference base plate, the C-shaped sleeve is arranged on the upper end face of the vertical rod, a guide hole which penetrates through the vertical rod in the axial direction and guides the connecting rod to move is arranged in the vertical rod, the truncated cone pressing block is arranged on the C-shaped sleeve, the connecting rod is arranged in the guide hole, the connecting rod is used for connecting the truncated cone pressing block with the connecting block, a square hole is arranged in the connecting block, the cam is arranged in the square hole, and the handle is used for driving the cam to rotate.

Furthermore, four positioning holes are formed in the reference bottom plate, the positioning holes correspond to the holes in the workpiece, positioning pins are inserted into the positioning holes, and the workpiece is positioned by the positioning pins.

Further, size measurement mechanism includes guide rail, slider, probe, percentage table, response piece and horizontal clamping mechanism, the guide rail level sets up on the workstation, the probe passes through the slider sets up on the guide rail, the percentage table sets up one side of guide rail, utilize the response piece is connected the probe of percentage table with the slider, horizontal clamping mechanism sets up on the workstation, and with the slider is connected, drive the slider is followed guide rail horizontal migration.

Further, the size measuring mechanism further comprises a first spring, and the horizontal clamping mechanism is connected with the sliding block through the first spring.

Further, a compensation mechanism is arranged on the opposite side of the reference bottom plate, which is provided with the size measuring mechanism, and is used for compensating the thrust of the size measuring mechanism.

Further, the compensating mechanism comprises a fixed seat, a second spring, a guide rod and a pressure head, wherein the fixed seat is arranged on the workbench, the guide rod is horizontally arranged on the fixed seat in a sliding mode, the pressure head is arranged at the end part of the guide rod, the second spring is arranged on the guide rod and acts on the fixed seat and the pressure head, and the pressure head is pushed by the spring to be tightly pressed on the workpiece.

The utility model discloses the beneficial effect who gains:

the utility model discloses a center fixed establishment confirms the location center of work piece to cooperation circumference setting is in four locating pins and locating hole cooperations, confirms the horizontal angle of work piece location, and it is fixed to press from both sides through vertical clamping mechanism at last, has improved the positioning accuracy of work piece, and can be quick fix a position the work piece, has improved the installation effectiveness, and then has improved detection efficiency. Secondly, a compensation mechanism is arranged on the opposite side of the size measuring mechanism, so that the deviation of a detection value caused by the stress on one side of a workpiece is prevented; horizontal clamping mechanism passes through the spring to be connected with the slider, utilizes the spring to overcome horizontal clamping mechanism and promotes the excessive defect that removes of slider and liberated surveying personnel's both hands, realizes single measurement, has practiced thrift the labour, the cost is reduced.

Drawings

Fig. 1 is a schematic structural view of a steering system guide sleeve of the present invention;

fig. 2 is a schematic structural view of a special gauge for a steering system guide sleeve of the present invention;

FIG. 3 is a top view of FIG. 2;

fig. 4 is a schematic structural view of a center fixing mechanism of a special gauge for a steering system guide sleeve of the present invention;

fig. 5 is a sectional view of the center fixing mechanism of the special gauge for the guide sleeve of the steering system of the present invention;

fig. 6 is a schematic structural view of a dimension measuring mechanism of a special gauge for a steering system guide sleeve of the present invention;

fig. 7 is a schematic structural view of a compensation mechanism of a special gauge for a steering system guide sleeve according to the present invention;

fig. 8 is a use state diagram of the special gauge for the steering system guide sleeve of the present invention;

the reference numbers are as follows:

1. the device comprises a reference bottom plate, 2, a central fixing mechanism, 3, a dimension measuring mechanism, 4, a vertical clamping mechanism, 5, a workbench, 6, a compensation mechanism, 9, a workpiece, 11, a positioning pin, 21, a vertical rod, 22, a C-shaped sleeve, 23, a truncated cone pressing block, 24, a connecting rod, 25, a cam, 26, a connecting block, 27, a handle, 31, a guide rail, 32, a sliding block, 33, a probe, 34, a dial indicator, 35, an induction block, 36, a horizontal clamping mechanism, 37, a first spring, 61, a fixed seat, 62, a second spring, 63, a guide rod, 64 and a pressure head.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

A special checking fixture for a steering system guide sleeve, as shown in fig. 1-3, comprising:

the reference bottom plate 1 is used for placing a workpiece and positioning the levelness of the workpiece 9;

a center fixing mechanism 2 for determining the center position of the workpiece 9;

the size measuring mechanism 3 is used for measuring the distance from the center of the circle of the workpiece 9 to a side wall;

the vertical clamping mechanism 4 is used for clamping and fixing the workpiece 9 on the reference bottom plate 1;

and the workbench 5 is used for fixing and installing the reference bottom plate 1, the central fixing mechanism 2, the dimension measuring mechanism 3 and the vertical clamping mechanism 4.

In an embodiment, as shown in fig. 1-5 and 8, the central fixing mechanism 2 includes an upright rod 21, a C-shaped sleeve 22, a truncated cone pressing block 23, a connecting rod 24, a cam 25, a connecting block 26 and a handle 27, the upright rod 21 is vertically disposed on the base plate 1, the C-shaped sleeve 22 is disposed on the upper end surface of the upright rod 21, the upright rod 21 is axially provided with a guide hole penetrating through the upright rod 24 to guide the movement of the connecting rod 24, the truncated cone pressing block 23 is disposed on the C-shaped sleeve 22, the connecting rod 24 is disposed in the guide hole, the connecting rod 24 is used to connect the truncated cone pressing block 23 and the connecting block 26, a square hole is disposed in the connecting block 26, the cam 25 is disposed in the square hole, the handle 27 is used to drive the cam 25 to rotate, the connecting rod 24 is further driven by the cam 25 to drive the truncated cone pressing block 23 to vertically move. When the truncated cone pressing block 23 moves upwards, the C-shaped sleeve 22 loses bracing force and is separated from the workpiece 9. Wherein the cam 25 may be circular, and only needs to be eccentrically connected with the rotating shaft of the handle 27.

In one embodiment, as shown in fig. 1-3, four positioning holes are provided on the reference base plate 1, the positioning holes correspond to the holes on the workpiece, the positioning pins 11 are inserted into the positioning holes, and the workpiece 9 is positioned by the positioning pins 11. Specifically, four positioning holes are circumferentially distributed, and the horizontal angle of the workpiece 9 mounted on the reference base plate 1 can be accurately determined through the four positioning holes.

In one embodiment, as shown in fig. 1-3 and fig. 6, the dimension measuring mechanism 3 includes a guide rail 31, a slider 32, a probe 33, a dial indicator 34, a sensing block 35, and a horizontal clamping mechanism 36, the guide rail 31 is horizontally disposed on the worktable 5, the probe 33 is disposed on the guide rail 31 through the slider 32, the dial indicator 34 is disposed on one side of the guide rail 31, the probe of the dial indicator 34 is connected to the slider 32 by the sensing block 35, and the horizontal clamping mechanism 36 is disposed on the worktable 5 and connected to the slider 32, and drives the slider 32 to horizontally move along the guide rail 31. So that the probe 33 is pressed against the workpiece 9. And then reading the numerical value displayed by the dial indicator 34, and calculating to obtain the distance from the center of the workpiece to one side.

In the above embodiment, as shown in fig. 1 to 3 and fig. 6, the dimension measuring mechanism 3 further includes the first spring 37, and the horizontal clamping mechanism 36 is connected to the slider 32 through the first spring 37. Through the structure, the horizontal clamping mechanism 36 is shifted to a pressing state, the elastic force of the first spring 37 is utilized to ensure that the probe 33 is tightly propped against the workpiece 9, and then the two hands of a detector are liberated, and numerical values are read and recorded. Wherein the horizontal clamping mechanism 36 may be a push-pull type quick clamp.

In one embodiment, as shown in fig. 1-3 and 7, a compensation mechanism 6 is disposed on the opposite side of the reference base plate 1 from the dimension measuring mechanism 3 for compensating the thrust of the dimension measuring mechanism 3.

Specifically, the compensating mechanism 6 includes a fixed seat 61, a second spring 62, a guide rod 63 and a pressure head 64, the fixed seat 61 is disposed on the workbench 5, the guide rod 64 is horizontally slidably disposed on the fixed seat 61, the pressure head 64 is disposed at an end portion of the guide rod 63, the second spring 62 is disposed on the guide rod 63, acts on the fixed seat 61 and the pressure head 64, and the pressure head 64 is pushed to abut against the workpiece 9 by the spring.

The utility model discloses when using, as shown in fig. 1-8, establish work piece 9 cover and place on benchmark base 1, insert the downthehole that work piece 9 corresponds with locating pin 11 to it is fixed with the locating hole, then drive handle 27 drive cam 25, in order to drive circular truncated cone briquetting 23 through connecting rod 24 and radially strut with C shape cover, in order to fix work piece 9 and make work piece 9 and stand 21 set up with one heart. And then the workpiece 9 is fixed on the reference bottom plate 1 through the vertical clamping mechanism 4, so that the workpiece 9 is finally positioned. The compensation mechanism 6 acts on one side wall of the workpiece 9, the horizontal clamping mechanism 36 pushes the slide block 32 to enable the probe 33 to be tightly pressed against the workpiece 9, the numerical value of the dial indicator 34 at the moment is read, and the distance from the axis of the workpiece 9 to one side wall can be obtained through calculation.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the scope of the appended claims should be accorded the broadest interpretation so as to encompass all such modifications and equivalent arrangements as is within the spirit and scope of the present invention.

Claims

1. The utility model provides a utensil is examined in special use of a steering system uide bushing which characterized in that includes:

a center fixing mechanism for determining the center position of the workpiece;

2. The special inspection device for the guide sleeve of the steering system according to claim 1, wherein the central fixing mechanism comprises an upright rod, a C-shaped sleeve, a truncated cone pressing block, a connecting rod, a cam, a connecting block and a handle, the upright rod is vertically arranged on the reference base plate, the C-shaped sleeve is arranged on the upper end surface of the upright rod, the upright rod is axially provided with a guide hole which penetrates through the upright rod and guides the connecting rod to move, the truncated cone pressing block is arranged on the C-shaped sleeve, the connecting rod is arranged in the guide hole, the connecting rod is used for connecting the truncated cone pressing block with the connecting block, a square hole is arranged in the connecting block, the cam is arranged in the square hole, and the handle is used for driving the cam to rotate.

3. The special checking fixture for the guide sleeve of the steering system according to claim 1, wherein four positioning holes are formed in the reference bottom plate, the positioning holes correspond to holes in the workpiece, positioning pins are inserted into the positioning holes, and the workpiece is positioned by the positioning pins.

4. The special detection tool for the guide sleeve of the steering system according to claim 1, wherein the dimension measuring mechanism comprises a guide rail, a sliding block, a probe, a dial indicator, a sensing block and a horizontal clamping mechanism, the guide rail is horizontally arranged on the workbench, the probe is arranged on the guide rail through the sliding block, the dial indicator is arranged on one side of the guide rail, the sensing block is used for connecting the probe of the dial indicator with the sliding block, and the horizontal clamping mechanism is arranged on the workbench and connected with the sliding block and drives the sliding block to horizontally move along the guide rail.

5. The special gauge for the guide sleeve of the steering system according to claim 4, wherein the dimension measuring mechanism further comprises a first spring, and the horizontal clamping mechanism is connected with the sliding block through the first spring.

6. The special gauge for the guide sleeve of the steering system according to claim 1, wherein a compensation mechanism is arranged on the side of the reference bottom plate opposite to the size measuring mechanism, and is used for compensating the thrust of the size measuring mechanism.

7. The special checking fixture for the guide sleeve of the steering system according to claim 6, wherein the compensating mechanism comprises a fixed seat, a second spring, a guide rod and a pressing head, the fixed seat is arranged on the workbench, the guide rod is horizontally and slidably arranged on the fixed seat, the pressing head is arranged at the end of the guide rod, the second spring is arranged on the guide rod and acts on the fixed seat and the pressing head, and the pressing head is pushed to be pressed against the workpiece by the spring.