CN220489896U - Front axle forging gauge - Google Patents

Abstract

The utility model provides a front axle forging gauge which comprises a bottom plate and two positioning mechanisms arranged on the bottom plate, wherein the positioning mechanisms are used for supporting corresponding steel plate spring seats, each positioning mechanism comprises a positioning plate and a mounting seat, the center of any side surface of each positioning plate is hinged to the mounting seat, each mounting seat is provided with a limiting mechanism used for limiting the corresponding rotation angle of each positioning plate.

Description

A front axle forging inspection tool

Technical field

The utility model relates to the technical field of automobile front axle forging, in particular to a front axle forging inspection tool.

Background technique

For a certain fully streamlined near-net-shape front axle forging, in addition to the general technical requirements of the front axle, in order to increase the strength of the leaf spring seat, the leaf spring seat has a fully streamlined structure, and the upper and lower planes of the leaf spring seat are not allowed to be machined. Moreover, the upper plane of the leaf spring seat must meet the technical requirements of the flatness of a single plane and the flatness of two planes (when used as one plane). At the same time, when machining the front axle, the kingpin hole must be processed using the upper surface of the leaf spring seat as the positioning reference. ;

If traditional inspection tools are used, there are the following problems. When using traditional front axle inspection tools, one or more reference conversions are required. The reference standards are inconsistent, which affects the test results. At the same time, because the upper surface of the leaf spring seat is a forged surface, the workpiece shakes. The actual positioning point may change, causing inaccurate detection results, and the inspection positioning method is inconsistent with the machining positioning method, which may cause quality problems in the kingpin hole processing and cause the workpiece to be scrapped.

Utility model content

In view of the above-mentioned shortcomings of the prior art, the purpose of this utility model is to provide a front axle forging inspection tool to solve the inconsistency of the benchmark when using traditional inspection tools in the prior art, as well as the large shaking of the workpiece and the inconsistency of the positioning method. Technical problems causing inaccurate test results.

In order to achieve the above purpose and other related purposes, the utility model provides a front axle forging inspection tool, which includes:

The base plate is also provided with two positioning mechanisms on the base plate, the positioning mechanisms correspond to the leaf spring seats of the front axle, and the positioning mechanisms are used to support the corresponding leaf spring seats;

The positioning mechanism includes a positioning plate and a mounting base. The center of any side of the positioning plate is hingedly mounted on the mounting base. The positioning plate is used to support a steel leaf spring seat corresponding to the front axle. The positioning plate can be adjusted accordingly. The corresponding leaf spring seats are adaptively adjusted, and the rotation angles of the two positioning plates are perpendicular to each other;

Optionally, a bend detection block is also provided in the middle of the base plate, the bend detection block is located between the two positioning mechanisms, and the bend detection block is used to detect the symmetry of the front axle;

The mounting base is also provided with a locking mechanism, which is used to lock the positioning plates so that the two positioning plates are on the same plane, and this plane is used as a detection reference plane.

Optionally, the positioning plate can be adaptively adjusted according to the leaf spring seat of the front axle to adapt to the flatness of the upper surface of the leaf spring seat of the front axle.

A limiting mechanism is also provided on the mounting base. The limiting mechanism is located above the positioning plate. The limiting mechanism is used to limit the corresponding rotation angle of the positioning plate.

Optionally, the locking mechanism includes a rotation-stop pin, which is inserted into a corresponding mounting seat. The rotation-stop pin is used to quickly switch between the rotation and locking states of the positioning plate.

Optionally, the inspection tool further includes a centering device. The centering device includes two clamping mechanisms. The clamping mechanisms are installed on the bottom plate. The clamping mechanism is connected to both sides of the front axle. The ends correspond to each other one by one, and the clamping mechanism positions the front axle by adjusting the two ends of the front axle.

Optionally, the clamping mechanism includes a detection block, and the detection block is also provided with a positioning groove, and the positioning groove is used to abut against the corresponding end of the front axle.

Optionally, the positioning groove is divided into a detection part and a positioning part, the positioning part is used to contact and hold the corresponding front axle end, and there is a gap between the detection part and the corresponding front axle end. Create a measurement gap.

Optionally, the two clamping mechanisms are movably arranged on the bottom plate, and a driving device is also provided on the bottom plate, and the driving device is used to drive the two clamping mechanisms toward or away from each other.

Optionally, the bottom plate is in a long strip shape, and sliding grooves are provided at both ends of the bottom plate. The length direction of the sliding grooves is parallel to the length direction of the bottom plate. The clamping mechanism is slidably arranged at the corresponding inside the sliding groove.

Optionally, scale marks are also provided at both ends of the bottom plate, the scale marks are arranged along the length direction of the corresponding sliding groove, and the scale marks are close to the corresponding sliding groove.

Optionally, the positioning plate is further provided with a limit scale along the width direction of the bottom plate.

As mentioned above, the front axle forging inspection tool of the present invention has the following beneficial effects: the positioning plate is used to keep the two positioning plates on the same plane under the locking mechanism, and this plane is used as the detection reference plane, and the locking can also be cancelled. The tightening mechanism locks the positioning plate so that the positioning plate can rotate around its rotation axis to keep the positioning state consistent with processing. At the same time, the locking and active states of the positioning plate can be quickly switched. There is no need to convert the benchmark during detection. When cold-calibrating the front axle, the parts that pass the test can be directly processed online, and the unqualified parts can be repeatedly calibrated, which greatly improves the detection efficiency.

Description of the drawings

Figure 1 shows a schematic structural diagram of an embodiment of the present utility model;

Figure 2 shows a schematic structural diagram of placing the front axle in one embodiment of the present invention;

Figure 3 shows a schematic structural diagram of the base plate 1 in one embodiment of the present utility model;

Figure 4 shows a top view of Figure 3;

Figure 5 shows a schematic structural diagram of the detection block 4a.

Part number description

1 base plate

2Bend detection block

2a positioning plate

2b mounting base

2c hinge block

3d limit block

3e prohibition on resale

4a detection block

4b Testing Department

4c positioning department

5 sliding lever

6 double-headed screw

7 drive unit

Detailed ways

The following describes the implementation of the present invention through specific examples. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementations. Various details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

See Figure 1 to Figure 5. It should be noted that the diagrams provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner, and the drawings only show the components related to the present utility model and are not based on the number and shape of the components during actual implementation. And size drawing, in actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complex. The structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification and are for the understanding and reading of those familiar with this technology. They are not used to limit the implementability of the present invention. conditions, it has no technical substantive significance. Any structural modifications, changes in proportions or adjustments in size shall still fall within the scope of this utility model without affecting the effectiveness and purpose of the utility model. The technical content disclosed by the new model must be within the scope that can be covered. At the same time, terms such as "upper", "lower", "left", "right", "middle" and "one" cited in this specification are only for convenience of description and are not used to limit the scope of this specification. As for the implementable scope of the utility model, changes or adjustments in the relative relationships shall also be regarded as the implementable scope of the utility model, provided there is no substantial change in the technical content.

Please refer to Figures 1 to 5. This utility model provides a front axle forging inspection tool, which includes:

Bottom plate 1 is also provided with two positioning mechanisms on the bottom plate 1. The positioning mechanisms correspond to the leaf spring seats of the front axle. The positioning mechanisms are used to support the corresponding leaf spring seats;

The positioning mechanism includes a positioning plate 2a and a mounting base 2b. The center of either side of the positioning plate 2a is hingedly mounted on the mounting base 2b. The positioning plate 2a is used to support a leaf spring seat corresponding to the front axle. The positioning plate 2a can be adaptively adjusted with the corresponding leaf spring seat, and the rotation angles of the two positioning plates 2a are perpendicular to each other;

It should also be noted that the leaf spring seat of the front axle is placed on the corresponding positioning plate 2a, and the positioning plate 2a can be adaptively changed according to the leaf spring seat of the front axle.

The positioning plate 2a is installed on the mounting base 2b through a hinge block 2c. The positioning plate 2a rotates along the rotation direction of the hinge block 2c. At the same time, the rotation angles of the two positioning mechanisms are vertical to improve alignment of the front axle. Adaptability of the flatness of the flat surface on the leaf spring seat.

The mounting base 2b is also provided with a limiting mechanism, which is located above the positioning plate 2a. The limiting mechanism is used to limit the corresponding rotation angle of the positioning plate 2a.

The mounting base 2b is also provided with a locking mechanism, which is used to lock the positioning plate 2a. After locking, the two positioning plates 2a are on the same plane, and this plane is used as the detection reference plane;

Exemplarily, a bend detection block 2 is also provided in the middle of the base plate 1. The bend detection block 2 is located between the two positioning mechanisms. The bend detection block 2 is used to measure the symmetry of the front axle. detection.

Exemplarily, the base plate 1 is also provided with a centering device. The centering device includes two clamping mechanisms. The clamping mechanisms are installed on the base plate 1. The clamping mechanisms are connected with the front The two ends of the shaft are in one-to-one correspondence, and the clamping mechanism is positioned by adjusting the two ends of the front axle and the front axle.

Exemplarily, the clamping mechanism includes a detection block 4a. The detection block 4a is also provided with a positioning groove, and the positioning groove is used to abut against the corresponding end of the front axle.

It should also be noted that the positioning groove is a V-shaped groove, which is convenient for guiding the front axle end when approaching the corresponding front axle end.

Exemplarily, the positioning groove is divided into a detection part 4b and a positioning part 4c. The positioning part 4c is used to contact and resist the corresponding end of the front axle. The detection part 4b is in contact with the corresponding front axle. A measurement gap is formed between the ends.

Exemplarily, two clamping mechanisms are movably arranged on the base plate 1, and a driving device 7 is also provided on the base plate 1. The driving device 7 is used to drive the two clamping mechanisms to approach each other or move closer to each other. keep away.

It should also be noted that the driving device is a motor or a hydraulic press.

Exemplarily, the base plate 1 is in a long strip shape, and sliding grooves are provided at both ends of the base plate 1. The length direction of the sliding grooves is parallel to the length direction of the base plate 1. The detection block 4a slides arranged in the corresponding sliding groove.

It should also be noted that the sliding groove guides the movement of the detection block 4a.

Exemplarily, the two ends of the bottom plate 1 are also provided with scale marks, the scale marks are arranged along the length direction of the corresponding sliding groove, and the scale marks are close to the corresponding sliding groove.

It should also be noted that the position of the detection blocks 4a on both sides reaching the scale mark can also be observed to determine whether the total length of the front axle is qualified.

For example, the positioning plate 3a is also provided with limit scales along the width direction of the base plate 1 .

It should also be noted that observing the limit scale set on the positioning plate 2a is used to determine whether the symmetry of the side of the front axle leaf spring seat relative to the kingpin center is qualified.

Exemplarily, the positioning plate 2a is movably arranged on the mounting seat 2b, and the positioning plate 2a can be adaptively adjusted with the corresponding leaf spring seat;

The mounting base 2b is also provided with a locking mechanism, which is used to lock the positioning plate 2a.

The locking mechanism has an anti-rotation pin 3e, which is inserted into the corresponding mounting base 2b. The anti-rotation pin 3e is used to quickly switch between the rotation and locking states of the positioning plate 2a.

It should also be noted that when the anti-rotation pin 3e is installed in place, the positioning plate 2a cannot rotate, and the two positioning plates 2a form the same plane. When the anti-rotation pin 3e is taken out, the positioning plate 2a can Rotates around its own axis of rotation.

Exemplarily, the mounting base 2b is also provided with a limiting mechanism, the limiting mechanism is located above the positioning plate 2a, and the limiting mechanism is used to limit the corresponding rotation angle of the positioning plate 2a. .

The gap between the limiting mechanism and the corresponding positioning plate 2a can be adaptively adjusted according to the technical requirements of the front axle flatness.

When in use, first insert the anti-rotation pin 3e to lock the positioning plate 2a so that the two positioning plates 2a are on the same plane, use this plane as the detection reference plane, and then place the front axle on the corresponding positioning plate 2a , the leaf spring seat of the front axle corresponds to the positioning plate 2a one-to-one, and a feeler gauge corresponding to product requirements is used to detect the flatness of the front axle leaf spring seat;

If the technical requirement is that the flatness of the front axle leaf spring seat is less than 0.8mm, use a 0.8mm feeler gauge to detect the gap between the upper surface of the front axle leaf spring seat and the corresponding positioning plate 2a. If the feeler gauge cannot enter, then the flatness of the leaf spring seat If the feeler gauge is inserted, the flatness of the leaf spring seat is unqualified;

At the same time, using the bottom plate 1 as the benchmark, use a dial indicator stand to detect the height difference of the lower plane of the front axle leaf spring seat, and then measure the parallelism and parallelism of the lower plane of the front axle leaf spring seat relative to the upper plane. The flatness of the lower plane.

Optionally, after the appeal item is tested and passed, the locking mechanism of the positioning plate 2a can also be canceled, so that the positioning plate 2a can rotate around its rotation axis, which is completed by two clamping mechanisms. For the positioning of the front axle, under the action of the gravity of the front axle, the positioning plate 2a automatically adapts to the flatness of the front axle leaf spring seat. At the same time, the positioning part 4c is in contact with the kingpin cylinder of the front axle, and a wedge ruler is used to measure the detection part 4b. By comparing the gap between the front axle kingpin cylinder and the front axle kingpin cylinder and calculating the difference value, the perpendicularity between the kingpin and the leaf spring seat can be calculated.

For example, observing the limit scale provided on the positioning plate 2a is used to determine whether the symmetry of the side of the front axle leaf spring seat relative to the center of the kingpin is qualified. You can also observe the position where the detection blocks 4a on both sides reach the scale mark. Used to determine whether the total length of the front axle is qualified.

For example, the limiting mechanism is the limiting block 3d, and the limiting block 3d is used to limit the rotation angle of the corresponding positioning plate 2a.

For example, the driving device 7 is a motor or a hydraulic press.

Exemplarily, the detection block 4a and the driving device 7 are connected through a sliding rod 5 and a double-headed screw 6. The sliding rod 5 is a hollow structure, and the sliding rod 5 and the double-headed screw 6 are parallel. , one end of the double-headed screw 6 is connected to the output end of the motor and rotates coaxially, and the other end of the double-headed screw 6 is threaded into the sliding rod 5 .

In summary, by adopting the beneficial effects of the present invention, the positioning plate 2a is used to maintain the two positioning plates 2a on the same plane under the locking mechanism, and this plane is used as the detection reference plane, and the locking mechanism of the positioning plate can also be canceled. dead, so that the positioning plate can rotate around its rotation axis, keeping the positioning state consistent with processing. At the same time, the locking and active states of the positioning plate can be quickly switched. There is no need to convert the datum during detection. It is consistent with the processing datum. During the cold calibration of the front axle, after passing the test, it can be directly processed online, and the unqualified parts can be repeatedly calibrated, which greatly improves the detection efficiency.

The above embodiments are only illustrative of the principles and effects of the present invention, but are not intended to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. All equivalent modifications or changes completed under the technical idea should still be covered by the claims of the present utility model.

Claims (10)

1. A front axle forging inspection tool for testing the front axle, which is characterized by including: The base plate is also provided with two positioning mechanisms on the base plate, the positioning mechanisms correspond to the leaf spring seats of the front axle, and the positioning mechanisms are used to support the corresponding leaf spring seats; The positioning mechanism includes a positioning plate and a mounting base. The positioning plate is hingedly mounted on the mounting base. The positioning plate is used to support the steel leaf spring seat corresponding to the front axle. The positioning plate can be adjusted with the corresponding positioning plate. The leaf spring seat is adaptively adjusted, and the rotation angles of the two positioning plates are perpendicular to each other; A bend detection block is also provided in the middle of the base plate. The bend detection block is located between the two positioning mechanisms. The bend detection block is used to detect the symmetry of the front axle; The mounting base is also provided with a locking mechanism, which is used to lock the positioning plates so that the two positioning plates are on the same plane, and this plane is used as a detection reference plane. 2. A front axle forging inspection tool according to claim 1, characterized in that: the mounting base is further provided with a limiting mechanism, the limiting mechanism is located above the positioning plate, and the limiting mechanism Used to limit the corresponding rotation angle of the positioning plate. 3. A front axle forging inspection tool according to claim 2, characterized in that: the locking mechanism has an anti-rotation pin, and the anti-rotation pin is inserted into the corresponding mounting seat, and the anti-rotation pin is Quickly switch between positioning plate rotation and locking states. 4. A front axle forging inspection tool according to claim 3, characterized in that: the inspection tool further includes a centering device, the centering device includes two clamping mechanisms, and the clamping mechanism is installed on On the base plate, the clamping mechanism corresponds to the two ends of the front axle one by one, and the clamping mechanism positions the front axle by adjusting the two ends of the front axle. 5. A front axle forging inspection tool according to claim 4, characterized in that: the clamping mechanism includes a detection block, and the detection block is also provided with a positioning groove, and the positioning groove is used to match the corresponding The end of the front axle abuts. 6. A front axle forging inspection tool according to claim 5, characterized in that: the positioning groove is divided into a detection part and a positioning part, and the positioning part is used to contact the corresponding front axle end. Tightly, a measurement gap is formed between the detection part and the corresponding front axle end. 7. A front axle forging inspection tool according to claim 6, characterized in that: the two clamping mechanisms are movably arranged on the bottom plate, and a driving device is also provided on the bottom plate. The driving device is used to drive the two clamping mechanisms toward or away from each other. 8. A front axle forging inspection tool according to claim 7, characterized in that: the bottom plate is in a long strip shape, and sliding grooves are respectively provided at both ends of the bottom plate, and the length direction of the sliding groove is in line with the The length direction of the bottom plate is parallel, and the clamping mechanism is slidably disposed in the corresponding sliding groove. 9. A front axle forging inspection tool according to claim 8, characterized in that: both ends of the bottom plate are further provided with scale marks, and the scale marks are arranged along the length direction of the corresponding sliding groove, so The scale mark is close to the corresponding sliding groove. 10. A front axle forging inspection tool according to claim 9, characterized in that: the positioning plate is further provided with a limit scale along the width direction of the bottom plate.